CN116425039A - Driving system of off-road tire track integrated crane - Google Patents

Abstract

The invention discloses a driving system for an off-road tire-crawler integrated crane, which includes: a center console, a power device and a safety monitoring device, wherein the center console is arranged in the compartment for switching the crawler wheels or tires of the crane mode, and send the walking mode command of the track wheels or tires to be switched to the power unit; the power unit turns on or off the track wheel drive module and tire drive module based on the command issued by the center console. The driving system disclosed in the present invention can add crawler wheels without changing the running function of the crane tires, increase the walking mode of the crane, change the walking mode of the crane according to the actual road conditions, and is suitable for driving in different road conditions. The balance information of the obstacles around the machine and the car body and the crane avoids the collision between the crane and the obstacle or the rollover of the crane due to the large inclination of the crane, and improves the safety of the crane.

Description

Driving system of an off-road tire crawler integrated crane

technical field

The invention relates to a crane control system, in particular to a driving system of an off-road tire crawler integrated crane.

Background technique

A crane is a kind of lifting machinery, which is a kind of machine that performs cyclical and intermittent motion. A working cycle includes: the pick-up device lifts the item from the pick-up place, then moves horizontally to the designated place to lower the item, and then performs reverse movement , to return the fetching device to its original position for the next cycle. The name crane is the unified title of lifting machinery, mainly including car cranes, crawler cranes and tire cranes. Among them, the tires have good maneuverability, but the road is icy and snowy. , soft and slippery, with uneven potholes, and when the slope is large, it is often difficult to move an inch. The track has good cross-country performance and can run away from the road. However, because the track will damage the road surface, it is not allowed to pass on the road. Therefore, the tires and track wheels are now assembled. Together they form an integrated off-road tire crawler crane, which can switch different walking modes according to different road conditions, and is suitable for driving in different road conditions.

Contents of the invention

The object of the present invention is to provide a driving system of an off-road tire crawler integrated crane, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A driving system for an off-road tire-crawler integrated crane, comprising: a center console, a power unit and a safety monitoring device, wherein the center console is set in The walking mode of the switched track wheels or tires forms an instruction and sends it to the power unit; the power unit turns on or off the track wheel drive module and the tire drive module based on the instructions issued by the center console, and the power unit turns the track wheel drive module and tire drive module The opening or closing information of the crane is fed back to the center console; the safety monitoring device is set on the crane to collect the obstacle information around the crane and the balance information of the crane, and send the collected obstacle information around the crane and the balance information of the crane to the Center console: The center console displays information on the opening or closing of the track wheel drive module and the tire drive module, information on obstacles around the crane, and balance information on the crane on the display screen.

Preferably, the center console also includes a crane controller and an alarm, and the crane controller is used to control the opening or closing of the track wheel drive module and the tire drive module and receive monitoring information from the safety monitoring device, and drive the track wheel drive module and the tire drive module The opening or closing information of the module and the obstacle feedback information of the safety monitoring device are sent to the display screen for display, and the siren is used to warn the driver.

Preferably, the safety monitoring device includes a crane monitoring module and a vehicle monitoring module, wherein the crane monitoring module includes a control switch and a second distance sensor, and the control switch is arranged at the front end of the crane to collect whether there is an obstacle at the front end of the crane, and The collected obstacle information is sent to the crane controller, and the second distance sensor controls the opening and closing of the control switch based on the instructions received from the crane controller. The vehicle monitoring module includes a first distance sensor and a level sensor, and the first distance sensor is installed on the The surroundings of the car body are used to collect whether there are obstacles around the car body, and send the obstacle information to the crane controller. The level sensor is installed in the car body to collect the balance information of the crane, and send the balance information of the crane to the crane controller. .

Preferably, the crawler wheel drive module includes a plunger pump, a second control valve and a second travel motor, the plunger pump provides pressure for the second control valve, and the second control valve controls the second control valve based on the forward or backward signal provided by the handle of the crane. The traveling motor rotates forward or reversely, and the second traveling motor is used to control the track wheels to move forward or backward.

Preferably, the tire drive module includes a drive pump, a first control valve and a first travel motor, the drive pump provides pressure to the first control valve, and the first control valve controls the first travel motor to move forward or backward based on the signal provided by the handle of the crane. Turn or reverse, the first travel motor is used to control the tire to advance or retreat.

Preferably, the power device includes an engine, the plunger pump and the drive pump are installed in parallel at the output end of the engine, and the engine is used to provide power for the plunger pump and the drive pump.

Preferably, the crawler wheel drive module also includes a hydraulic oil tank and a filter, the hydraulic oil tank is used for storing hydraulic oil, the filter is installed at the oil outlet of the hydraulic oil tank to filter impurities in the hydraulic oil, and the oil inlet of the plunger pump Installed on the output end of the filter through the oil inlet pipe to receive the hydraulic oil filtered by the filter.

Preferably, both the second travel motor and the first travel motor are composed of a high-speed hydraulic motor, a brake, a planetary reducer and a valve group, and the second travel motor and the first travel motor respectively pass through a high-speed hydraulic motor, a brake, a planetary reducer and a valve. The group controls the forward, backward, and brake of the track wheels and tires.

Compared with the prior art, the present invention has the advantages of:

The driving system of an off-road tire-crawler integrated crane according to the present invention first switches the walking mode of the crane through the center console, then turns on or off the track wheel drive module and the tire drive module according to the switching command, and drives the plunger pump and the tire drive module respectively through the engine. The driving pump works, the plunger pump and the driving pump respectively provide pressure for the second control valve and the first control valve, and finally, the second control valve and the first control valve control the first control valve according to the forward or backward signal provided by the crane handle. The second travel motor and the first travel motor rotate forward or reverse, so as to control the forward, backward and braking of the crawler wheels or tires, and can increase the crawler wheels without changing the driving function of the crane tires, and increase the walking mode of the crane. Change the walking mode of the crane according to the actual road conditions, which is suitable for driving in different road conditions, and, by setting up a safety monitoring module, when the crane is running, the first distance sensor and the second distance sensor can first monitor the distance between the crane and the car body. Obstacle detection can avoid the collision of the crane, car body and obstacles due to obstacles in front of the crane and around the car body, and then the level sensor can detect the balance of the crane, allowing the driver to Understand the balance information of the crane, avoid the crane rollover due to the large tilt of the crane, improve the safety of the crane, and, when using the crane for operation, the second distance can be adjusted by the control switch The sensor is closed, which avoids the trouble of affecting the hoisting of goods by the crane due to the work of the second distance sensor, and provides convenience for the crane operation.

Description of drawings

Fig. 1 is a structural block diagram of a driving system according to an embodiment of the present invention;

Fig. 2 is a connection block diagram of a crane monitoring module, a vehicle monitoring module and a center console according to an embodiment of the present invention;

Fig. 3 is a connection block diagram of a track wheel driving module, a tire driving module and an engine according to an embodiment of the present invention.

In the figure: 1. Center console; 11. Crane controller; 12. Display screen; 13. Alarm; 2. Power device; 3. Safety monitoring device; 4. Track wheel drive module; 41. Piston pump; 42 , the second control valve; 43, the second traveling motor; 44, the hydraulic oil tank; 45, the filter; 5, the tire driving module; 51, the driving pump; 52, the first control valve; 53, the first traveling motor; 6, Engine; 7. Crane monitoring module; 71. Control switch; 72. Second distance sensor; 8. Vehicle monitoring module; 81. First distance sensor; 82. Level sensor.

Detailed ways

In describing the present invention, it is to be understood that the terms "central", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or that an element must have a particular orientation, or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more. Additionally, the term "comprise" and any variations thereof, are intended to cover a non-exclusive inclusion.

As shown in Fig. 1, Fig. 2 and Fig. 3, a driving system of an off-road tire crawler integrated crane includes: a center console 1, a power unit 2 and a safety monitoring device 3, wherein the center console 1 is arranged in the compartment It is used to switch the walking mode of the crawler wheels or tires of the crane, and send the walking mode formation instruction of the crawler wheels or tires to be switched to the power unit 2; the power unit 2 turns on or off the driving of the track wheels based on the command issued by the center console 1 Module 4, tire drive module 5, and the power unit 2 feeds back information about the opening or closing of the track wheel drive module 4 and tire drive module 5 to the center console 1; the safety monitoring device 3 is arranged on the crane to collect obstacles around the crane The object information and the balance information of the crane, and send the collected obstacle information around the crane and the balance information of the crane to the center console 1; the center console 1 will turn on or off the track wheel drive module 4 and the tire drive module 5 The information and the obstacle information around the crane and the balance information of the crane are displayed on the display screen 12.

In one embodiment, when switching the traveling mode of the crane, first switch the traveling mode of the crane through the central console 1, and send the switching command to the power unit 2, and then the power unit 2 starts the operation based on the command issued by the central console 1. Or close track wheel drive module 4, tire drive module 5, and drive plunger pump 41 and drive pump 51 work respectively by engine 6, be respectively second control valve 42, first control valve by plunger pump 41 and drive pump 51 52 to provide pressure, and finally, the second control valve 42 and the first control valve 52 control the forward or reverse rotation of the second travel motor 43 and the first travel motor 53 according to the forward or backward signal provided by the crane handle, thereby controlling the track The forward, backward and braking of wheels or tires can add crawler wheels without changing the driving function of the crane tires, and increase the walking mode of the crane. The walking mode of the crane can be changed according to the actual road conditions, which is suitable for driving in different road conditions. Moreover, during the running of the crane, the crane monitoring module 7 and the vehicle monitoring module 8 can be used to detect whether there are obstacles around the crane and the car body and whether the crane is balanced. The collision of the crane, the car body and the obstacle occurs, and the trouble of the crane rollover due to the large inclination of the crane is avoided, and the safety of the crane is improved.

In one embodiment, the center console 1 also includes a crane controller 11 and an alarm 13, the crane controller 11 is used to control the opening or closing of the track wheel drive module 4 and the tire drive module 5 and receive the monitoring of the safety monitoring device 3 Information, and the opening or closing information of the track wheel drive module 4, the tire drive module 5 and the obstacle feedback information of the safety monitoring device 3 are sent to the display screen 12 for display, and the siren 13 is used to warn the driver; At this time, the driver can first control the crane controller 11 to switch the walking mode of the crane through the display screen 12, and send the switching command to the power unit 2 through the crane controller 11 to turn on or turn off the track wheel drive module 4 and the tire drive module 5. To switch the crane walking mode, the crane controller 11 receives the obstacle information and the crane balance information fed back by the safety monitoring device 3, and sends the obstacle information and the crane balance information to the display screen 12 for display to the driver. Finally, The driver is warned by the siren 13, which avoids the trouble that the driver cannot know the driving situation of the crane because the driver cannot watch the display screen 12 in real time.

In one embodiment, the safety monitoring device 3 includes a crane monitoring module 7 and a vehicle monitoring module 8, wherein the crane monitoring module 7 includes a control switch 71 and a second distance sensor 72, and the control switch 71 is arranged at the front end of the crane for Collect whether there is an obstacle at the front end of the crane, and send the collected obstacle information to the crane controller 11, the second distance sensor 72 controls the opening and closing of the control switch 71 based on the instruction received from the crane controller 11, and the vehicle monitoring module 8 Including a first distance sensor 81 and a level sensor 82, the first distance sensor 81 is installed around the car body for collecting information about obstacles around the car body, and sends the obstacle information to the crane controller 11, and the level sensor 82 is installed Collect the balance information of the crane in the compartment, and send the balance information of the crane to the crane controller 11; during the walking process of the crane, the first distance sensor 81 and the second distance sensor 72 first check the front end of the crane and the periphery of the car body The obstacle detection can avoid the collision of the crane, the car body and the obstacle due to obstacles in front of the crane and around the car body, and then the level sensor 82 can detect the balance of the crane, which can make the driver The operator can know the balance information of the crane in real time, avoiding the situation that the crane rolls over due to the large inclination of the crane, and improving the safety of the crane. The second distance sensor 72 is closed, which avoids the trouble of affecting the hoisting goods of the crane due to the work of the second distance sensor 72, and provides convenience for the crane operation.

In one embodiment, the track wheel drive module 4 includes a plunger pump 41, a second control valve 42 and a second travel motor 43, the plunger pump 41 provides pressure for the second control valve 42, and the second control valve 42 is based on the crane handle The provided forward or backward signal controls the second traveling motor 43 to rotate forward or reversely, and the second traveling motor 43 is used to control the track wheel to advance or retreat; the tire driving module 5 includes a driving pump 51, a first control valve 52 and a first The travel motor 53 drives the pump 51 to provide pressure for the first control valve 52. The first control valve 52 controls the first travel motor 53 to rotate forward or reverse based on the forward or backward signal provided by the crane handle. The first travel motor 53 is used for Control the tires to advance or retreat; the power unit 2 includes an engine 6, and the plunger pump 41 and the drive pump 51 are installed in parallel on the output end of the engine 6, and the engine 6 is used to provide power for the plunger pump 41 and the drive pump 51; At this time, the plunger pump 41 and the drive pump 51 are respectively driven by the engine 6 to work, and the plunger pump 41 and the drive pump 51 respectively provide pressure for the second control valve 42 and the first control valve 52, and finally, the second control valve The valve 42 and the first control valve 52 control the forward or reverse rotation of the second traveling motor 43 and the first traveling motor 53 according to the forward or backward signal provided by the crane handle, thereby controlling the forward, backward and braking of the track wheels or tires, which can On the premise of not changing the running function of the crane tires, adding track wheels increases the walking mode of the crane.

In one embodiment, the crawler wheel driving module 4 also includes a hydraulic oil tank 44 and a filter 45, the hydraulic oil tank 44 is used for storing hydraulic oil, and the filter 45 is installed at the oil outlet of the hydraulic oil tank 44 for filtering the oil in the hydraulic oil. Impurities, the oil inlet of the plunger pump 41 is installed on the output end of the filter 45 through the oil inlet pipe to receive the hydraulic oil filtered by the filter 45; The hydraulic oil delivered by the plunger pump 41 is filtered to filter the impurities in the hydraulic oil and improve the purity of the hydraulic oil entering the plunger pump 41 .

In one embodiment, the second travel motor 43 and the first travel motor 53 are composed of a high-speed hydraulic motor, brake, planetary reducer and valve group. Brakes, planetary reducers and valve groups control the forward, backward and braking of track wheels and tires.

The working process of the present invention is as follows: when the crane is running, first switch the walking mode of the crane through the center console 1, and send the switching command to the power device 2, and then the power device 2 turns on or off based on the command issued by the center console 1 The track wheel drive module 4 and the tire drive module 5 drive the plunger pump 41 and the drive pump 51 to work respectively through the engine 6, and the plunger pump 41 and the drive pump 51 provide the second control valve 42 and the first control valve 52 respectively. Finally, the second control valve 42 and the first control valve 52 control the forward or reverse rotation of the second travel motor 43 and the first travel motor 53 according to the forward or backward signal provided by the crane handle, thereby controlling the track wheel or The forward, backward and braking of the tires can add track wheels without changing the driving function of the crane tires, and increase the walking mode of the crane. The walking mode of the crane can be changed according to the actual road conditions, which is suitable for driving in different road conditions. And, During the running of the crane, first the first distance sensor 81 and the second distance sensor 72 detect the obstacles around the front end of the crane and the car body, which can avoid the obstacle caused by the obstacles in front of the crane and around the car body. In the event of a collision between the machine, the car body and an obstacle, the balance of the crane is detected by the level sensor 82, which allows the driver to know the balance information of the crane in real time, and avoids the crane rollover caused by the large inclination of the crane When the situation occurs, the safety of the crane is improved. Moreover, when the crane is used for operation, the second distance sensor 72 can be turned off by the control switch 71, so as to avoid the influence of the second distance sensor 72 on the hoisting goods of the crane. The troubles appear, which provides convenience for the crane operation.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (8)

1. A traveling system of an off-road tire track integrated crane, comprising: a central console (1), a power device (2) and a safety monitoring device (3), wherein,

the center console (1) is arranged in a carriage and used for switching the walking mode of the crawler wheel or the tire of the crane, and sending a command formed by the walking mode of the crawler wheel or the tire to be switched to the power device (2);

the power device (2) starts or closes the crawler wheel driving module (4) and the tire driving module (5) based on the instruction issued by the center console (1), and the power device (2) feeds back the information of the starting or closing of the crawler wheel driving module (4) and the tire driving module (5) to the center console (1);

the safety monitoring device (3) is arranged on the crane to collect barrier information around the crane and balance information of the crane, and sends the collected barrier information around the crane and the balance information of the crane to the center console (1);

the center console (1) displays the information of opening or closing of the crawler wheel driving module (4) and the tire driving module (5), the obstacle information around the crane and the balance information of the crane on the display screen (12).

2. The traveling system of an off-road tire and crawler integrated crane according to claim 1, wherein the center console (1) further comprises a crane controller (11) and an alarm (13), the crane controller (11) is used for controlling the on or off of the crawler driving module (4) and the tire driving module (5) and receiving monitoring information of the safety monitoring device (3), and sending the on or off information of the crawler driving module (4) and the tire driving module (5) and obstacle feedback information of the safety monitoring device (3) to the display screen (12) for displaying, and the alarm (13) is used for warning a driver.

3. The off-road tire crawler integrated crane traveling system according to claim 2, wherein the safety monitoring device (3) comprises a crane monitoring module (7) and a vehicle monitoring module (8), wherein the crane monitoring module (7) comprises a control switch (71) and a second distance sensor (72), the control switch (71) is arranged at the front end of the crane for acquiring whether the front end of the crane has an obstacle or not and transmitting the acquired obstacle information to the crane controller (11), the second distance sensor (72) controls the opening and closing of the control switch (71) based on the instruction of receiving the crane controller (11), the vehicle monitoring module (8) comprises a first distance sensor (81) and a level sensor (82), the first distance sensor (81) is arranged around the vehicle body for acquiring whether the periphery of the vehicle body has the obstacle information and transmitting the obstacle information to the crane controller (11), and the level sensor (82) is arranged in the carriage for acquiring the balance information of the crane and transmitting the balance information to the crane controller (11).

4. The off-road tire crawler integrated crane travelling system according to claim 1, wherein the crawler wheel driving module (4) comprises a plunger pump (41), a second control valve (42) and a second travelling motor (43), the plunger pump (41) provides pressure for the second control valve (42), the second control valve (42) controls forward rotation or reverse rotation of the second travelling motor (43) based on a forward or reverse signal provided by a crane handle, and the second travelling motor (43) is used for controlling the crawler wheel to advance or retract.

5. The off-road tire and crawler integrated crane travelling system according to claim 4, wherein the tire driving module (5) comprises a driving pump (51), a first control valve (52) and a first travelling motor (53), the driving pump (51) providing pressure to the first control valve (52), the first control valve (52) controlling forward rotation or reverse rotation of the first travelling motor (53) based on a forward or reverse signal provided by a crane handle, the first travelling motor (53) being used for controlling forward or reverse movement of a tire.

6. The traveling system of the off-road tire crawler integrated crane according to claim 4, wherein the power device (2) comprises an engine (6), the plunger pump (41) and the driving pump (51) are installed at the output end of the engine (6) in parallel, and the engine (6) is used for providing power for the plunger pump (41) and the driving pump (51).

7. The traveling system of an off-road tire and crawler integrated crane according to claim 4, wherein the crawler driving module (4) further comprises a hydraulic oil tank (44) and a filter (45), the hydraulic oil tank (44) is used for storing hydraulic oil, the filter (45) is installed at an oil outlet of the hydraulic oil tank (44) and is used for filtering impurities in the hydraulic oil, and an oil inlet of the plunger pump (41) is installed at an output end of the filter (45) through an oil inlet pipe and is used for receiving the hydraulic oil filtered by the filter (45).

8. The running system of the off-road tire and crawler integrated crane according to claim 5, wherein the second running motor (43) and the first running motor (53) are composed of a high-speed hydraulic motor, a brake, a planetary reducer and a valve group, and the second running motor (43) and the first running motor (53) control the crawler wheels, the advance, the retreat and the brake of the tire through the high-speed hydraulic motor, the brake, the planetary reducer and the valve group respectively.

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