CN215042342U - engineering vehicle - Google Patents

Abstract

The utility model provides an engineering vehicle, comprising: a chassis, on which a mounting position is arranged; a drive system, which is arranged on the chassis; a power supply assembly, which is detachably arranged on the chassis, and the power supply assembly includes a body and a power supply and heat dissipation device , the main body is detachably installed in the installation position, and can be used to supply power to the drive system, and the power supply cooling device is connected with the main body and can be used for the main body to dissipate heat. In the engineering vehicle proposed by the utility model, the power supply cooling device is designed to be independent of the rest of the cooling devices on the chassis, which ensures that the power supply cooling device does not affect the disassembly and assembly of the power supply assembly, improves the disassembly and assembly efficiency of the power supply assembly, and further shortens the construction vehicle. energy replenishment time and improve the operational efficiency of construction vehicles.

Description

Construction vehicle

Technical Field

The utility model relates to the technical field of vehicles, particularly, relate to an engineering vehicle.

Background

Under the current environment, a new energy power form becomes the mainstream, in the aspect of engineering vehicles, a pure electric dump truck has gradually replaced the traditional fuel dump truck, the pure electric dump truck needs a power battery as a power source to drive in the running and working processes, the charging time of the power battery occupies the effective operation time of the vehicle, the income of the dump truck is influenced, and a solution is needed to shorten the vehicle energy supplementing time and improve the vehicle operation efficiency.

In the correlation technique, current pure electric self-discharging vehicle power battery adopts a monoblock or several battery module, and battery module arranges in vehicle cab rear portion or frame both sides, adopts fasteners such as bolt and nut to be fixed in on the frame, and power battery's cooling system belongs to same water route, and the cooling water route has the difficult structural problem who hinders battery quick replacement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides an engineering vehicle.

In view of this, the utility model provides an engineering vehicle, include: the base is provided with a mounting position; the driving system is arranged on the chassis; the power supply assembly is detachably arranged on the chassis and comprises a body and a power supply heat dissipation device, the body is detachably arranged on the mounting position and can be used for supplying power to the driving system, and the power supply heat dissipation device is connected with the body and can be used for dissipating heat of the body.

The utility model provides an engineering vehicle includes chassis, actuating system and power supply assembly. Wherein, be provided with the installation position on the chassis of vehicle, the installation position can be used to place the power supply assembly. The driving system is arranged on the chassis and can provide power for the engineering vehicle under the condition of power supply.

In addition, the power supply assembly is arranged on the installation position of the chassis and is detachably connected with the installation position. The power supply assembly comprises a body and a power supply heat dissipation device, the body is detachably mounted on a mounting position of the chassis, and the power supply heat dissipation device is connected with the body. After the power supply assembly is installed, the body is connected with the driving system, power can be supplied to the driving system and the whole engineering vehicle, and normal work of power supply of the driving system and the whole engineering vehicle is guaranteed. The body can produce a large amount of heats at the during operation, and power supply heat abstractor can dispel the heat and cool down for the body, makes the body keep good operating condition, prevents the overheated damage of body, guarantees the high-efficient work of body simultaneously.

In particular, the power supply assembly is removably mounted to the chassis so that it can be replaced after a period of use, and also removed for recharging. The utility model discloses well power supply assembly's body dispels the heat through power supply heat abstractor, and power supply heat abstractor and all the other heat abstractor of engineering vehicle are independent each other. Like this, can obviously promote the degree of freedom of power supply heat abstractor position on the chassis to design according to actual conditions, guarantee that power supply heat abstractor can not influence the dismouting of power supply assembly, can greatly promote the efficiency that the staff dismantled the power supply assembly, and then shorten engineering vehicle's the ability time of benefit, promote engineering vehicle's operation efficiency.

And the power supply heat dissipation device is more flexible in arrangement position on the chassis, and the power supply heat dissipation device can be arranged at the position of the chassis without influencing the maintenance of the power supply assembly, so that the difficulty of the maintenance of the whole vehicle by workers is reduced.

Therefore, the utility model provides an independent power supply heat abstractor of engineering vehicle design has guaranteed that power supply heat abstractor can not influence the dismouting of power supply assembly, promotes the dismouting efficiency of power supply assembly, and the staff of being convenient for simultaneously overhauls the vehicle.

Additionally, the utility model provides an engineering vehicle among the above-mentioned technical scheme can also have following additional technical characteristics:

in the above technical solution, the engineering vehicle further includes: and the driving heat dissipation device is arranged on the chassis and can be used for heat dissipation of a driving system.

In the technical scheme, the engineering vehicle further comprises a driving heat dissipation device. The driving heat dissipation device is arranged on the chassis, the driving system can generate a large amount of heat during working, and the driving heat dissipation device can dissipate heat and cool the driving system, so that the driving system can keep a good working state.

Particularly, the utility model discloses well actuating system dispels the heat through drive heat abstractor, and the body of power supply assembly dispels the heat through power supply heat abstractor, and drive heat abstractor and power supply heat abstractor are independent each other. Like this, can obviously promote the degree of freedom of drive heat abstractor and power supply heat abstractor position on the chassis to design according to actual conditions, guarantee that drive heat abstractor and power supply heat abstractor can not influence the dismouting of power supply assembly, can promote the efficiency that the staff dismantled the power supply assembly to a very big degree, and then shorten engineering vehicle's can supply time, promote engineering vehicle's operation efficiency.

And the driving heat dissipation device and the power supply heat dissipation device are arranged on the chassis more flexibly, and the driving heat dissipation device and the power supply heat dissipation device can be arranged on the chassis at positions which do not influence the maintenance of the power supply assembly, so that the difficulty of the maintenance of the whole vehicle by workers is reduced.

In any of the above technical solutions, a cab and a cargo box are arranged on a chassis; the mounting location is located between the cab and the cargo box.

In this solution, the vehicle further comprises a cab and a cargo box. The cab and the container of the vehicle are arranged on the chassis, and the chassis provides support for the cab and the container and relatively fixes the positions of the cab and the container. The driver's cabin and the packing box set up on the chassis at interval, and the installation position is located between driver's cabin and the packing box to the spatial position between rational utilization driver's cabin and the packing box avoids adding the volume that the power supply assembly influences the packing box. In addition, this position is all comparatively close with driver's cabin and packing box, is favorable to arranging and being convenient for of circuit to observe and maintain the change.

In any of the above technical solutions, a cab is disposed on the chassis, and the driving heat dissipation device is located at the bottom of the cab.

In this solution, the drive system includes an engine, and the engine is typically disposed at the bottom of the cab. Therefore, the utility model discloses set up drive heat abstractor in the driver's cabin bottom to guarantee that drive heat abstractor is close to with actuating system's engine, promote the radiating efficiency to parts such as engine.

In addition, the power supply assembly is arranged between the cab and the container, and the driving heat dissipation device is arranged at the bottom of the cab, so that the power supply heat dissipation device and the driving heat dissipation device of the power supply assembly are independent from each other, and the driving heat dissipation device and the power supply heat dissipation device cannot influence the assembly and disassembly of the power supply assembly.

In any of the above technical solutions, the battery replacing base is arranged on the mounting position; the power supply assembly is detachably arranged on the battery replacing base.

In the technical scheme, the engineering vehicle further comprises a battery replacement base. The power supply assembly is detachably connected with the battery replacing base, so that the power supply assembly is quickly replaced, the dismounting time of the power supply assembly is saved, and the working efficiency is improved.

In any of the above technical solutions, the body includes a battery pack and a first plug-in terminal electrically connected, and the power supply and heat dissipation device can be used for heat dissipation of the battery pack; the battery replacing base is provided with a second inserting end which is electrically connected with the driving system, and the battery pack supplies power to the driving system through the first inserting end and the second inserting end.

In the technical scheme, the body comprises a battery pack and a first plug-in end, and a second plug-in end is arranged on the battery replacing base. The battery pack can be used for storing electric energy and providing the electric energy for the driving system and the whole engineering vehicle in the using process. The first plug-in end is electrically connected with the battery pack, the second plug-in end arranged on the battery replacing base is electrically connected with the driving system, and the first plug-in end is matched with the second plug-in end. Therefore, when the power supply assembly is installed on the battery replacing base, the first inserting end is inserted into the second inserting end, and the communication of the whole circuit is guaranteed.

In addition, the first plug end and the second plug end are in a direct plug-in type, namely plug and play. On the one hand, the electric wire adopted by the related technology can be avoided, further wiring on the chassis is avoided, on the other hand, quick insertion and quick disassembly of the battery pack and the battery replacing base can be realized, and the disassembly and assembly efficiency of the power supply assembly is further improved.

In any of the above technical solutions, the body further includes a frame; the battery pack, the first plug-in end and the power supply and heat dissipation device are arranged in the frame, and the first plug-in end and the power supply and heat dissipation device are located at the bottom of the battery pack.

In this solution, the body further comprises a frame. The battery pack, the first plug-in end and the power supply heat dissipation device are arranged inside the frame, so that the mounting positions of the battery pack, the first plug-in end and the power supply heat dissipation device are guaranteed, and the battery pack, the first plug-in end and the power supply heat dissipation device can be protected to a certain extent.

In addition, the first plug end and the power supply heat dissipation device are arranged inside the frame, and embedded design of the first plug end and the power supply heat dissipation device is achieved. On one hand, the problem that the power supply assembly cannot be quickly disassembled due to the fact that the line bodies are staggered is solved, and the first inserting end cannot occupy the extra position of the chassis due to the fact that the related technology needs wiring on the chassis. On the other hand, the defect that the driving heat dissipation device and the power supply heat dissipation device need to be combined for use in the related technology is overcome, and the driving heat dissipation device and the power supply heat dissipation device are guaranteed not to influence the quick disassembly of the power supply assembly.

In addition, first grafting end and power supply heat abstractor set up the bottom position at the group battery, press close to with the group battery, shorten the length with group battery interconnecting link, optimize circuit design, prevent that the circuit overlength from taking place the winding condition. And the first plug end and the power supply heat dissipation device are arranged at the bottom of the battery pack, so that the first plug end and the power supply heat dissipation device are prevented from influencing the arrangement of original components on the chassis.

In any of the above technical solutions, the body further includes a control part and a high-voltage box; the control component is arranged in the frame and is electrically connected between the battery pack and the high-voltage box; the high-voltage box is arranged in the frame and is electrically connected between the control component and the first inserting end.

In this technical scheme, still be provided with control unit and high-pressure box in the frame, the control unit electricity is connected between group battery and high-pressure box, realizes the stable control of group battery and high-pressure box, and first grafting end is still connected to the high-pressure box electricity, guarantees that the electric current of first grafting end is stable, and the high-pressure box can provide effectual protection when precharging, prevents that the electric current from unusually causing the damage to first grafting end, has realized making the vehicle can steady operation under more environment, improves the security. Specifically, the electric energy in the battery pack is output through the control component, the high-voltage box, the first plug end and the second plug end in sequence.

In any of the above technical solutions, a locking mechanism is arranged on the battery replacing base, and a locking position is arranged on the frame; the locking mechanism is connected with the locking position to limit the frame.

In the technical scheme, a locking mechanism is arranged on the battery replacing base, and a locking position is arranged on the frame. In the process of installing the power supply assembly, the locking mechanism is matched with the locking position, the degree of freedom of the frame is effectively limited, the relative position of the frame on the installation position is guaranteed, and the frame and the whole power supply assembly are prevented from shaking. In addition, when the power supply assembly needs to be replaced, the power supply assembly can be taken out of the installation position only by releasing the locking mechanism, so that the replacement is convenient and quick; when the power supply assembly is installed again, the locking position of the frame and the locking mechanism are locked again.

In any one of the above technical schemes, the chassis is provided with an air storage cylinder, and the air storage cylinder can drive the locking mechanism to limit or release the frame.

In the technical scheme, the engineering vehicle further comprises an air storage cylinder. Wherein, the gas receiver is established on the chassis, and the gas receiver can be used to drive locking mechanism action to accomplish spacing or the release to the frame, realized the gas receiver to locking mechanism's accurate control. Specifically, the air cylinder can be an air cylinder, and the gas in the air cylinder is used as a power source of the air cylinder.

In any of the above technical solutions, the driving heat dissipation device includes a first fan and/or a first circulation water path; and/or the power supply heat dissipation device comprises a second fan and/or a second circulating water path.

In this technical scheme, drive heat abstractor includes first fan and/or first circulation water route, and the heat dissipation form can be air-cooled heat dissipation and/or water-cooled heat dissipation, and when the air-cooled heat dissipation, first fan lasts to blow to actuating system, utilizes the heat that air flow took away actuating system, realizes the cooling. When the water-cooling heat dissipation is carried out, the first circulating water path is wound or covered on the driving system, and the heat of the driving system is taken away by the first circulating water path through the water flow in the first circulating water path, so that the cooling is realized. In addition, first fan can cooperate the use with first circulation water route, makes the cooling effect better.

In the technical scheme, the power supply heat dissipation device comprises a second fan and/or a second circulating water path, the heat dissipation mode can be air-cooled heat dissipation and/or water-cooled heat dissipation, when the air-cooled heat dissipation is carried out, the second fan continuously blows air to the power supply assembly, heat of the power supply assembly is taken away by air flow, and the cooling is achieved. When the water-cooling heat dissipation is carried out, the second circulating water path is wound or covered on the power supply assembly, and the water in the second circulating water path flows to enable the second circulating water path to take away the heat of the power supply assembly, so that the cooling is realized. In addition, the second fan and the second circulating water path can be matched for use, so that the cooling effect is better.

In any of the above technical solutions, a tarpaulin is arranged on the container; the chassis is provided with a lifting system which can be used for driving the container to rotate.

In this technical scheme, be provided with the tarpaulin on the vehicle packing box, the tarpaulin can cover the position at packing box all around and top, effectively prevents the exposure of rainwater erosion or strong sunlight, improves the life of packing box. Simultaneously, the chassis still is provided with the system of lifting, and the system of lifting is connected with the packing box, can drive the rotation of packing box through the system of lifting, and convenient inspection and change packing box device realize conveniently observing, the effect of the device in the quick replacement packing box.

In any one of the above technical scheme, the utility model provides an engineering vehicle is electric vehicle to specifically can be pure electric dumper.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an engineering vehicle according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the work vehicle shown in FIG. 1 at A;

fig. 3 is a bottom view of a working vehicle according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a power supply assembly in the engineering vehicle of the embodiment shown in FIG. 1;

FIG. 5 is a partial view of the work vehicle of the embodiment shown in FIG. 4;

fig. 6 is a schematic structural diagram of a power exchanging base in the engineering vehicle of the embodiment shown in fig. 2.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:

100 chassis, 102 installation position, 104 driving system, 106 driving heat dissipation device, 108 power supply assembly, 110 power supply heat dissipation device, 112 cab, 114 container, 116 battery replacing base, 118 battery pack, 120 first plug-in end, 122 second plug-in end, 124 frame, 126 control component, 128 high-voltage box, 130 locking mechanism, 132 locking position, 134 air storage cylinder, 136 lifting system, 138 tarpaulin, 140 connecting component and 142 body.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

An engineering vehicle provided according to some embodiments of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in an embodiment of the first aspect of the present invention, the present invention provides an engineering vehicle, including a chassis 100, a driving system 104 and a power supply assembly 108.

As shown in fig. 1, a chassis 100 of the vehicle is provided with a mounting location 102, and the mounting location 102 can be used for placing a power supply assembly 108. The drive system 104 is mounted on the chassis 100 and can power the work vehicle when powered.

In addition, as shown in fig. 1, 3, and 5, the power supply assembly 108 is mounted on the mounting location 102 of the chassis 100 and is detachably connected to the mounting location 102. The power supply assembly 108 includes a body 142 and a power supply heat sink 110, the body 142 is detachably mounted on the mounting position 102 of the chassis 100, and the power supply heat sink 110 is connected to the body 142. After the power supply assembly 108 is installed, the body 142 is connected to the driving system 104, so as to supply power to the driving system 104 and the whole vehicle, and ensure the normal operation of the driving system 104 and the whole engineering vehicle. The body 142 generates a large amount of heat during operation, and the power supply and heat dissipation device 110 can dissipate and cool the body 142, so that the body 142 is kept in a good working state, the body 142 is prevented from being damaged due to overheating, and meanwhile, the efficient operation of the body 142 is ensured.

In particular, the power supply assembly 108 is removably mounted to the chassis 100 so that the power supply assembly 108 may be replaced after a period of use, and removed for recharging. In this embodiment, the body 142 of the power supply assembly 108 dissipates heat through the power supply heat dissipation device 110, and the power supply heat dissipation device 110 is independent of other heat dissipation devices of the engineering vehicle. Like this, can obviously promote the degree of freedom of power supply heat abstractor 110 position on chassis 100 to design according to actual conditions, guarantee that power supply heat abstractor 110 can not influence the dismouting of power supply assembly 108, can greatly promote the efficiency that the staff dismantled power supply assembly 108, and then shorten engineering vehicle's the time of can supplementing, promote engineering vehicle's operation efficiency.

In addition, as shown in fig. 4 and 5, the arrangement position of the power supply and heat dissipation device 110 on the chassis 100 is more flexible, and the power supply and heat dissipation device 110 can be arranged at a position on the chassis 100 where the maintenance of the power supply assembly 108 is not affected, so that the difficulty of the worker in maintaining the whole vehicle is reduced.

Therefore, the utility model provides an independent power supply heat abstractor 110 of engineering vehicle design has guaranteed and has not influenced the dismouting of power supply assembly 108 with power supply heat abstractor 110, promotes power supply assembly 108's dismouting efficiency, the staff's of being convenient for simultaneously overhaul the vehicle.

In an embodiment of the present invention, as shown in fig. 5, the engineering vehicle further includes: the driving heat sink 106 is disposed on the chassis 100 and can be used for dissipating heat of the driving system 104.

In this embodiment, the work vehicle further includes a driving heat sink 106. The driving heat sink 106 is disposed on the chassis 100, the driving system 104 generates a large amount of heat during operation, and the driving heat sink 106 can dissipate and cool the driving system 104, so that the driving system 104 can maintain a good working state.

In particular, as shown in fig. 4 and 5, the driving system 104 of the present invention dissipates heat through the driving heat sink 106, the body 142 of the power supply assembly 108 dissipates heat through the power supply heat sink 110, and the driving heat sink 106 and the power supply heat sink 110 are independent of each other. Therefore, the degree of freedom of the positions of the driving heat dissipation device 106 and the power supply heat dissipation device 110 on the chassis 100 can be obviously improved, the design is carried out according to actual conditions, the driving heat dissipation device 106 and the power supply heat dissipation device 110 are guaranteed not to influence the dismounting and mounting of the power supply assembly 108, the efficiency of dismounting the power supply assembly 108 by workers can be greatly improved, the energy supplementing time of the engineering vehicle is shortened, and the operation efficiency of the engineering vehicle is improved.

In addition, the driving heat sink 106 and the power supply heat sink 110 are arranged on the chassis 100 at more flexible positions, and the driving heat sink 106 and the power supply heat sink 110 can be arranged on the chassis 100 at positions which do not affect the maintenance of the power supply assembly 108, so that the difficulty of the maintenance of the whole vehicle by workers is reduced.

In one embodiment of the present invention, as shown in fig. 1, 2 and 3, a cab 112 and a cargo box 114 are provided on the chassis 100; the mounting station 102 is located between the cab 112 and the cargo box 114; and/or the drive heat sink 106 is located at the bottom of the cab 112.

In this embodiment, the vehicle also includes a cab 112 and a cargo box 114. Wherein the cab 112 and cargo box 114 of the vehicle are both disposed on the chassis 100, and the chassis 100 provides support for the cab 112 and cargo box 114 and fixes the position of the cab 112 and cargo box 114 relative to each other. The cab 112 and the cargo box 114 are spaced apart on the chassis 100, and the mounting locations 102 are located between the cab 112 and the cargo box 114 to make reasonable use of the space between the cab 112 and the cargo box 114 to avoid the power supply assembly 108 from affecting the volume of the cargo box 114. In addition, this location is relatively close to both the cab 112 and the cargo box 114, which facilitates routing and facilitates inspection and maintenance replacement.

In this embodiment, the drive system 104 includes an engine, and the engine is generally disposed at the bottom of the cab 112. Therefore, in the present embodiment, the driving heat sink 106 is disposed at the bottom of the cab 112 to ensure that the driving heat sink 106 is close to the engine of the driving system 104, thereby improving the heat dissipation efficiency of the engine and other components.

In addition, the power supply assembly 108 is disposed between the cab 112 and the cargo box 114, and the driving heat sink 106 is located at the bottom of the cab 112, so that the power supply heat sink 110 and the driving heat sink 106 of the power supply assembly 108 are independent from each other, and the driving heat sink 106 and the power supply heat sink 110 do not affect the assembly and disassembly of the power supply assembly 108.

In an embodiment of the present invention, as shown in fig. 2 and 6, the battery replacing base 116 is disposed on the mounting position 102; the power supply assembly 108 is detachably disposed on the battery replacing base 116.

In this embodiment, the engineering vehicle further comprises a battery replacement base 116. The power replacing base 116 is arranged at the installation position 102, and after the power supply assembly 108 is installed at the installation position 102, the power supply assembly 108 is detachably connected with the power replacing base 116, so that the power supply assembly 108 is quickly replaced, the dismounting time of the power supply assembly 108 is saved, and the working efficiency is improved.

Specifically, as shown in fig. 2, the battery replacement base 116 is fixedly mounted on the chassis 100 by a connection assembly 140 such as a screw.

In an embodiment of the present invention, as shown in fig. 4, the body 142 includes a battery pack 118 and a first plugging end 120 electrically connected, and the power supply and heat dissipation device 110 can be used for dissipating heat of the battery pack 118; the battery replacing base 116 is provided with a second plugging terminal 122, the second plugging terminal 122 is electrically connected to the driving system 104, and the battery pack 118 supplies power to the driving system 104 through the first plugging terminal 120 and the second plugging terminal 122.

In this embodiment, the main body 142 includes the battery pack 118 and the first plugging terminal 120, and the battery replacing base 116 is provided with the second plugging terminal 122. Battery pack 118 may be used, among other things, to store electrical energy and, during use, provide electrical energy to drive system 104 and the entire work vehicle. The first plug-in terminal 120 is electrically connected to the battery pack 118, the second plug-in terminal 122 disposed on the battery replacing base 116 is electrically connected to the driving system 104, and the first plug-in terminal 120 is matched with the second plug-in terminal 122. Thus, when the power supply assembly 108 is mounted on the power exchanging base 116, the first plugging end 120 is plugged with the second plugging end 122, so as to ensure the communication of the whole circuit.

In addition, as shown in fig. 4 and fig. 6, the first plug end 120 and the second plug end 122 are directly plugged, i.e., plug and play. On one hand, wires adopted in the related art can be avoided, and further wiring on the chassis 100 can be avoided, on the other hand, quick insertion and quick disassembly of the battery pack 118 and the battery replacing base 116 can be realized, and the disassembly and assembly efficiency of the power supply assembly 108 is further improved.

In one embodiment of the present invention, as shown in fig. 4, the body 142 further includes a frame 124; the battery pack 118, the first plugging terminal 120 and the power and heat supplying and dissipating device 110 are disposed inside the frame 124, and the first plugging terminal 120 and the power and heat supplying and dissipating device 110 are located at the bottom of the battery pack 118.

In this embodiment, the body 142 further includes a frame 124. The battery pack 118, the first plugging terminal 120 and the power supply and heat dissipation device 110 are disposed inside the frame 124, so that the mounting positions 102 of the battery pack 118, the first plugging terminal 120 and the power supply and heat dissipation device 110 are ensured, and the battery pack 118, the first plugging terminal 120 and the power supply and heat dissipation device 110 can be protected to some extent.

In addition, as shown in fig. 4, the first plugging terminal 120 and the power supply and heat sink 110 are disposed inside the frame 124, so that a built-in design of the first plugging terminal 120 and the power supply and heat sink 110 is realized. On one hand, the problem that the power supply assembly 108 cannot be quickly disassembled due to the staggered wire bodies is avoided, in which the related art needs to wire the chassis 100, so that the first plugging end 120 does not occupy an extra position of the chassis 100. On the other hand, the disadvantage that the driving heat sink 106 and the power supply heat sink 110 need to be used in combination in the related art is avoided, and it is further ensured that the driving heat sink 106 and the power supply heat sink 110 do not affect the quick release of the power supply assembly 108.

In addition, the first plugging end 120 and the power supply and heat dissipation device 110 are disposed at the bottom of the battery pack 118 and close to the battery pack 118, so as to shorten the length of the connection line with the battery pack 118, optimize the line design, and prevent the line from being too long and winding. Moreover, the first plugging terminal 120 and the power supply heat sink 110 are disposed at the bottom of the battery pack 118, so as to prevent the first plugging terminal 120 and the power supply heat sink 110 from affecting the arrangement of the original components on the chassis 100.

In one embodiment of the present invention, as shown in fig. 4, the body 142 further includes a control component 126 and a high-pressure cartridge 128; a control component 126 is disposed within the frame 124 and electrically connected between the battery pack 118 and the high voltage box 128; the high voltage cartridge 128 is disposed within the frame 124 and is electrically connected between the control component 126 and the first mating end 120.

In this embodiment, a control component 126 and a high voltage box 128 are further disposed in the frame 124, the control component 126 is electrically connected between the battery pack 118 and the high voltage box 128 to achieve stable control of the battery pack 118 and the high voltage box 128, the high voltage box 128 is further electrically connected to the first plugging terminal 120 to ensure stable current of the first plugging terminal 120, the high voltage box 128 can provide effective protection during pre-charging, prevent the first plugging terminal 120 from being damaged by abnormal current, achieve stable operation of the vehicle in more environments, and improve safety. Specifically, the electric energy in the battery pack 118 is output through the control unit 126, the high voltage box 128, the first plug terminal 120 and the second plug terminal 122 in sequence.

In an embodiment of the present invention, as shown in fig. 4 and fig. 6, a locking mechanism 130 is disposed on the battery replacing base 116, and a locking position 132 is disposed on the frame 124; the locking mechanism 130 is coupled to the locking station 132 to restrain the frame 124.

In this embodiment, the battery replacing base 116 is provided with a locking mechanism 130, and the frame 124 is provided with a locking position 132. During the process of installing the power supply assembly 108, the locking mechanism 130 cooperates with the locking position 132 to effectively limit the degree of freedom of the frame 124, ensure the relative position of the frame 124 on the installation position 102, and avoid the frame 124 and the whole power supply assembly 108 from shaking. In addition, when the power supply assembly 108 needs to be replaced, the power supply assembly 108 can be taken out of the mounting position 102 only by releasing the locking mechanism 130, which is convenient and fast; when the power supply assembly 108 is installed again, the locking position 132 of the frame 124 and the locking mechanism 130 are locked again.

In one embodiment of the present invention, as shown in fig. 3, an air cylinder 134 is disposed on the chassis 100, and the air cylinder 134 is connected to the locking mechanism 130 and drives the locking mechanism 130 to limit or release the frame 124.

In this embodiment, the work vehicle further comprises an air reservoir 134. Wherein, the air cylinder 134 is arranged on the chassis 100, and the air cylinder 134 can be used for driving the locking mechanism 130 to act so as to complete the limit or release of the frame 124, thereby realizing the accurate control of the locking mechanism 130 by the air cylinder 134.

In one embodiment of the present invention, the driving heat sink 106 includes a first fan and/or a first circulating water path; and/or the power supply heat sink 110 comprises a second fan and/or a second circulating water path.

In this embodiment, the driving heat sink 106 includes a first fan and/or a first circulating water path, and the heat dissipation form may be air-cooled heat dissipation and/or water-cooled heat dissipation, and during the air-cooled heat dissipation, the first fan continuously blows air to the driving system 104, and the air flow is used to take away the heat of the driving system 104, so as to implement the cooling. During water-cooling heat dissipation, the first circulation water path is wound or covered on the driving system 104, and water in the first circulation water path flows to enable the first circulation water path to take away heat of the driving system 104, so that cooling is achieved. In addition, first fan can cooperate the use with first circulation water route, makes the cooling effect better.

In this embodiment, the power supply heat sink 110 includes a second fan and/or a second circulation water path, and the heat dissipation form may be air-cooling heat dissipation and/or water-cooling heat dissipation, and during the air-cooling heat dissipation, the second fan continuously blows air to the power supply assembly 108, and the heat of the power supply assembly 108 is taken away by using the air flow, so as to implement the cooling. During water-cooling heat dissipation, the second circulation water path is wound or covered on the power supply assembly 108, and water in the second circulation water path flows to enable the second circulation water path to take away heat of the power supply assembly 108, so that cooling is realized. In addition, the second fan and the second circulating water path can be matched for use, so that the cooling effect is better.

In one embodiment of the present invention, as shown in fig. 1, the cargo box 114 is provided with a tarpaulin 138; a lifting system 136 is provided on the chassis 100, and the lifting system 136 may be used to drive the rotation of the cargo box 114.

In this embodiment, the vehicle cargo box 114 is provided with the tarpaulin 138, and the tarpaulin 138 can cover the periphery and the top of the cargo box 114, thereby effectively preventing rain erosion or strong sunlight irradiation and prolonging the service life of the cargo box 114. Meanwhile, the chassis 100 is further provided with a lifting system 136, the lifting system 136 is connected with the cargo box 114, and the lifting system 136 can drive the cargo box 114 to rotate, so that the devices in the cargo box 114 can be conveniently checked and replaced, and the effects of conveniently observing and quickly replacing the devices in the cargo box 114 are achieved.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model discloses a first embodiment provides an engineering vehicle, be equipped with packing box 114, driver's cabin 112, chassis 100 etc., install power supply assembly 108 through installation position 102 between packing box 114 and driver's cabin 112 of vehicle, power supply assembly 108 is vehicle driving system 104 and whole car power supply, drive heat abstractor 106 is the heat dissipation of driving system 104, power supply heat abstractor 110 power supply assembly 108 dispels the heat, and drive heat abstractor 106 and power supply heat abstractor 110 set up independently respectively, the heat dissipation form divide into air-cooled and water-cooled heat dissipation, effectively restricted the temperature of power supply assembly 108 and driving system 104 during operation, guarantee normal work. As shown in fig. 4 and 6, the battery pack 118 in the power supply assembly 108 is provided with a first plug end 120, the battery replacement base 116 on the chassis 100 is provided with a second plug end 122, and the first plug end 120 and the second plug end 122 are connected in a plug-in manner, so as to supply power to the driving system 104, and the first plug end 120 and the second plug end 122 can be quickly plugged in, so as to satisfy the plug-and-play effect, and facilitate quick replacement of the battery pack 118 for vehicle performance.

In addition, as shown in fig. 4, the power supply assembly 108 further includes a frame 124, a control component 126 and a high voltage box 128, and the frame 124 and the battery pack 118 are collectively disposed in the frame 124, so as to ensure the fixation of the relative position, and the locking mechanism 130 on the battery replacing base 116 limits the degree of freedom of the frame 124, thereby effectively avoiding the shaking of the frame 124 and the whole power supply assembly 108. The locking mechanism 130 may control the limiting or releasing operation through the air cylinder 134.

In the specific embodiment, the pure electric dump truck needs the power battery as a power source to drive in the running and working processes, the effective operation time of the vehicle is occupied when the power battery is charged, the income of the dump truck is influenced, and a solution is needed to shorten the vehicle energy supplementing time and improve the vehicle operation efficiency.

Among the correlation technique, pure electric dump truck power battery adopts a monoblock or several battery module, and battery module arranges in vehicle cab rear portion or frame both sides, adopts fasteners such as bolt and nut to be fixed in on the frame, and power battery's cooling system belongs to same water route, and the output line of battery can not be dismantled fast with outside electric system's circuit, and cooling water route and circuit all have the difficult structural problem who hinders battery quick replacement.

The pure electric dumper in the related technology has the main problems that: the battery cooling water path is criss-cross with the cooling water paths of the motor controller, the all-in-one controller and other systems, so that the whole vehicle is difficult to install and maintain; the battery output circuit and the power system circuit cannot be quickly plugged and replaced, and the battery replacement and maintenance speed is influenced. The high-voltage box of the battery, a control system and the like are arranged at the bottom of the cab, and the arrangement of parts at the bottom of the cab is influenced.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a second embodiment of the present invention provides an engineering vehicle, in which the power supply heat sink 110 of the power supply assembly 108 is circularly independent and separated from the driving heat sink 106 of the driving system 104, and the power supply assembly 108 is integrally disposed on the engineering vehicle, while optimizing the arrangement structure of the lower space of the cab 112.

Specifically, as shown in fig. 4 and 5, the engineering vehicle includes a chassis 100, a quick-change power supply assembly 108, a cargo box 114, a tarpaulin 138, a power exchange base 116, a lifting system 136, and the like. The power supply heat sink 110 of the power supply assembly 108 is used for dissipating heat of the body 142 of the power supply assembly 108, the driving heat sink 106 is used for dissipating heat of the driving system 104, and the driving heat sink 106 and the power supply heat sink 110 separately and independently operate.

Furthermore, as shown in fig. 4, the battery pack 118, the control unit 126, and the high voltage box 128 are integrated inside the power supply assembly 108; an air storage cylinder 134 is added to provide a power source for the operation of the locking mechanism 130; the whole power supply assembly 108 is connected with the battery replacing base 116 fixed on the frame through the first inserting end 120 and the locking mechanism, so that the power supply assembly 108 can be quickly replaced and fixed.

The utility model has the advantages that: the power supply assembly 108 has a quick replacement function, so that the charging time is saved, and the operation efficiency of the engineering vehicle can be improved; the battery pack 118 of the power supply assembly 108 can be replaced, and can meet the requirement of a replacement-replacement integrated design, so that the engineering vehicle can meet various use environments; the power supply and heat dissipation device 110 is independently integrated inside the power supply assembly 108, so as to avoid the leakage problem caused by the replacement of the battery pack 118.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. a construction vehicle, is characterized in that, comprises: a chassis, the chassis is provided with a mounting position; a drive system, arranged on the chassis; A power supply assembly is detachably arranged on the chassis, the power supply assembly includes a body and a power supply and heat dissipation device, the body is detachably installed at the installation position, and can be used to supply power to the drive system, so The power supply and heat dissipation device is connected to the body and can be used for heat dissipation from the body. 2. The construction vehicle according to claim 1, further comprising: The drive heat dissipation device is arranged on the chassis and can be used for heat dissipation of the drive system. 3. The construction vehicle according to claim 1, characterized in that, A cab and a cargo box are arranged on the chassis; The mounting position is located between the cab and the cargo box. 4. The construction vehicle according to claim 2, characterized in that, The chassis is provided with a cab; The driving heat sink is located at the bottom of the cab. 5. The construction vehicle according to any one of claims 1 to 4, characterized in that, The installation position is provided with a power exchange base; The power supply assembly is detachably arranged on the power exchange base. 6. The construction vehicle according to claim 5, characterized in that, The body includes an electrically connected battery pack and a first plug terminal, and the power supply and heat dissipation device can be used to dissipate heat from the battery pack; The power exchange base is provided with a second plug terminal, the second plug terminal is electrically connected to the drive system, and the battery pack is formed by the first plug terminal and the second plug terminal. The drive system is powered. 7. The construction vehicle according to claim 6, characterized in that, The body also includes a frame; The battery pack, the first plug end and the power supply and heat dissipation device are arranged inside the frame, and the first plug end and the power supply heat dissipation device are located at the bottom of the battery pack. 8. The construction vehicle according to claim 7, characterized in that, The body also includes a control part and a high-voltage box; The control part is arranged in the frame and is electrically connected between the battery pack and the high-voltage box; The high-voltage box is arranged in the frame and is electrically connected between the control component and the first plug terminal. 9. The construction vehicle according to claim 8, characterized in that, A locking mechanism is arranged on the power exchange base, and a locking position is arranged on the frame; The locking mechanism is connected with the locking position to limit the frame. 10. The construction vehicle according to claim 9, characterized in that, An air storage cylinder is arranged on the chassis, and the air storage cylinder can drive the locking mechanism to limit or release the frame. 11. The construction vehicle according to claim 2, characterized in that, The driving heat dissipation device includes a first fan and/or a first circulating water circuit; and/or The power supply and heat dissipation device includes a second fan and/or a second circulating water circuit. 12. The construction vehicle according to claim 3, characterized in that, The cargo box is provided with a tarpaulin; A lift system is provided on the chassis, and the lift system can be used to drive the cargo box to rotate.

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