CN214657383U

CN214657383U - Small-sized loader

Info

Publication number: CN214657383U
Application number: CN202120431254.4U
Authority: CN
Inventors: 胡东创
Original assignee: Hebei Micro Manufacturing Co ltd
Current assignee: Hebei Micro Manufacturing Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-09
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a small-sized loader, which comprises a frame, an engine assembly, a driving position, a working device, a transmission system, a hydraulic system and an electrical system, wherein the engine assembly comprises an engine, a flywheel and a belt pulley, the working device comprises a working shovel or a working fork grab, the transmission system comprises a gearbox, the hydraulic system comprises a hydraulic pump, and the electrical system comprises a generator; an engine in the engine assembly drives a belt pulley arranged on a flywheel to rotate, and power is transmitted to a clutch and a gearbox of a transmission system, a hydraulic pump of a hydraulic system and a generator of an electrical system through a belt. According to the loader provided by the scheme, the wheel track of the front wheels is equal to or close to that of the rear wheels, and only 900 plus 1100 mm is adopted, so that the width of the whole miniature agricultural vehicle is smaller, the loader can adapt to relatively smaller operation environments such as greenhouses and small tunnels, and the practicability is higher.

Description

Small-sized loader

Technical Field

The utility model relates to a loader technical field especially relates to a small-size loader.

Background

The loader is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port and mine, and is mainly used for shoveling and loading bulk materials such as soil, gravel, lime and coal, and also for light shoveling and digging of ore and hard soil. However, the existing loader has a relatively large size, and is not suitable for working environments with relatively small space in height and width, such as greenhouses and small tunnels, so that a new type of micro-loader is urgently needed to be designed, so that the loader can adapt to working environments with relatively small space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small-sized loader.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a small-sized loader comprises a frame, an engine assembly, a driving position, a working device, a transmission system, a hydraulic system and an electrical system, wherein the engine assembly comprises an engine, a flywheel and a belt pulley;

an engine in the engine assembly drives a belt pulley arranged on a flywheel to rotate, and power is transmitted to a clutch and a gearbox of a transmission system, a hydraulic pump of a hydraulic system and a generator of an electrical system through a belt;

the frame comprises a front frame and a rear frame, an engine of the engine assembly is transversely arranged on the rear frame, the front frame is hinged with the rear frame, the working device is arranged on the front frame, the engine assembly and the driving position are arranged on the rear frame, and the driving position is positioned between the working device and the engine assembly;

the front frame is provided with a front drive axle and front wheels connected with the front drive axle, and the rear frame is provided with a rear drive axle and rear wheels connected with the rear drive axle;

the gearbox transmits power to a transmission shaft, the transmission shaft transmits power to a front drive axle and a rear drive axle, the front drive axle drives front wheels to rotate, and the rear drive axle drives rear wheels to rotate;

the number of the front wheels and the number of the rear wheels are two, the wheel track of the two front wheels is equal to that of the two rear wheels, and the wheel track is 900-1100 mm;

the distance between the axis of the front wheel and the axis of the rear wheel is 1400-1800 mm.

The front end of the rear frame is provided with a hinged steel plate, the instrument desk is fixed at the position of the hinged steel plate at the front end of the rear frame, and the surface of the instrument desk is provided with a reverse and forward gear rod, a steering wheel, a steering gear rod, an electric switch and an instrument;

wind shields are arranged on the hinged steel plate and in front of the instrument desk, and side plates are fixed on the left side and the right side of each wind shield;

the rear frame is also provided with a hood, and the engine assembly is arranged in the hood; the inside of the hood is also provided with a generator and a hydraulic pump;

the hood provides both containment protection for engine assemblies and the like,

a driving seat is arranged at the front section part above the hood; the rear section part above the hood is provided with an oil tank and an air filter;

a hydraulic multi-way valve operating handle is arranged at the front right of the driving seat;

radiating holes are formed in the left side, the right side and the rear side of the hood; and rear mudguard are arranged under the heat dissipation holes on the two sides of the hood.

Further, still include box b and box a, box b and box a all set up on the frame of back, and are located the left and right sides of driver's seat to fix on the frame of back through the bolt.

Furthermore, a weight box is arranged at the tail end of the rear frame.

Furthermore, the engine assembly is a single-cylinder diesel horizontal engine assembly, and the engine assembly is transversely arranged on the rear frame, namely the axis of the engine crankshaft and the axis of the rear axle are arranged in the same direction.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. when the loader of the scheme is used for carrying the engine with the same power, the size of the body of the loader can be very small.

2. The engine of the existing loader is longitudinally arranged on a rear frame, when the longitudinally arranged engine is adopted, the engine is arranged without interfering with a driving wheel, so that the defects of high body, wide body and long body of the loader can be caused only by elevating the engine, widening the wheel track or moving the engine to the rear of the rear frame.

3. The engine of the loader can be arranged lower on the rear frame, so that the center of gravity of the whole loader is lower, and the loader is more stable to drive.

4. The loader of the scheme has the advantage that the driver seat can be mounted on the upper surface of the engine hood due to the lower layout of the engine. Therefore, the hood can protect the engine, can provide firm support for the seat and is attractive and elegant.

According to the loader provided by the scheme, the wheel track of the front wheels is equal to or close to that of the rear wheels, and only 900 plus 1100 mm is adopted, so that the width of the whole miniature agricultural vehicle is smaller, the loader can adapt to relatively smaller operation environments such as greenhouses and small tunnels, and the practicability is higher.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a right side view of a compact loader according to the present invention;

fig. 2 is a left side view of a compact loader according to the present invention;

FIG. 3 is a schematic view of an engine assembly and transmission of the present invention on a rear frame;

FIG. 4 is a top view of the transmission system of the present invention;

fig. 5 is a schematic diagram of the transmission of the engine assembly, the transmission case and the hydraulic pump according to the present invention.

In the figure: the device comprises a frame 1, a hood 2, a driving position 3, a working device 4, a front driving axle 5, a front wheel 6, a rear driving axle 7, a rear wheel 8, a seat 9, a box body b10, a rear frame 11, a front frame 12, a box body a13, an instrument desk 14, a wind shield 15, a side plate 16, a multi-way valve operating handle 17, a weight box 18, a heat dissipation hole 19, a rear fender 20, an engine assembly 21, a gearbox 22, a transmission shaft 23, a hydraulic pump 24, a flywheel 25, a belt pulley 26 and a clutch 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a compact loader comprises a frame 1, an engine assembly 21, a driving seat 3, a working device 4, a transmission system, a hydraulic system and an electrical system, wherein the engine assembly 21 comprises an engine, a flywheel 25 and a belt pulley 26, the working device 4 comprises a working shovel or a working fork grab, the transmission system comprises a gearbox 22, the hydraulic system comprises a hydraulic pump 24, and the electrical system comprises a generator;

the engine in the engine assembly 21 drives a belt pulley 26 mounted on a flywheel 25 to rotate, and power is transmitted to a clutch 27 and a gearbox 22 of a transmission system, a hydraulic pump of a hydraulic system and a generator of an electric system through a belt.

The frame 1 comprises a front frame 12 and a rear frame 11, an engine of the engine assembly 21 is transversely arranged on the rear frame 11, the front frame 12 is hinged with the rear frame 11, the working device 4 is arranged on the front frame 12, the engine assembly 21 and the driving seat 3 are arranged on the rear frame 11, and the driving seat 3 is positioned between the working device 4 and the engine assembly 21;

a front drive axle 5 and front wheels 6 connected with the front drive axle 5 are arranged on the front frame 12, and a rear drive axle 7 and rear wheels 8 connected with the rear drive axle 7 are arranged on the rear frame 11;

the gearbox 22 transmits power to a transmission shaft 23, the transmission shaft 23 transmits power to the front drive axle 5 and the rear drive axle 7, the front drive axle 5 drives the front wheels 6 to rotate,

the rear drive axle 7 drives the rear wheels 8 to rotate;

the number of the front wheels 6 and the number of the rear wheels 8 are two, and the wheel track of the two front wheels 6 is equal to or similar to the wheel track of the two rear wheels 8 and is 900-;

wherein the track width between the two wheels refers to the distance between the centers of the two wheels.

The whole small-sized loader is small in width, can adapt to relatively small-width operation environments such as greenhouses and small tunnels only in 1100-1300 mm range, and is high in practicability.

The distance between the axis of the front wheel 6 and the axis of the rear wheel 8 is 1400-1800 mm.

By the arrangement, the size of the whole small-sized loader in the length direction can be further reduced, and the small-sized loader is favorably miniaturized.

The front end of the rear frame 11 is provided with a hinged steel plate, the instrument desk 14 is fixed at the position of the hinged steel plate at the front end of the rear frame 11, and the surface of the instrument desk 14 is provided with a reverse and forward gear rod, a steering wheel, a steering gear rod, an electric switch and an instrument;

wind shields 15 are arranged on the hinged steel plates and in front of the instrument desk, and side plates 16 are fixed on the left side and the right side of each wind shield 15;

not only can hide parts such as a steering engine and an oil pipe, but also can play a role in beauty.

Not only can hide an accelerator pedal and a brake pedal to play a role in beauty, but also play a role in reinforcing the instrument desk 14. The outside may also be fitted with accessories such as armrests, rear-view mirrors, etc.

The rear frame 11 is also provided with a hood 2, and the engine assembly 21 is arranged in the hood 2; a generator and a hydraulic pump are also arranged in the hood 2;

the hood 2 provides both enclosure protection for the engine assembly 21 and the like,

a driving seat 9 is arranged at the front section part above the hood 2; an oil tank and an air filter are arranged at the rear section part above the hood 2;

a hydraulic multi-way valve operating handle 17 is arranged at the front right of the driving seat 9; (of course this hydraulically operated valve could also be mounted on the instrument desk, similar to the forklift truck operated valve handle style);

radiating holes 19 are formed in the left side, the right side and the rear side of the hood 2; and rear fenders 20 are arranged below the radiating holes on the two sides of the hood 2.

Through the arrangement, the size of the small-sized loader in the height direction is relatively small, further miniaturization of the small-sized loader is facilitated, the small-sized loader can operate in a short space, and the practicability is further enhanced.

The rear frame is characterized by further comprising a box body b10 and a box body a13, wherein the box body b10 and the box body a13 are arranged on the rear frame 11, are located on the left side and the right side of the driving seat 3 and are fixed on the rear frame 11 through bolts.

The box body b10 and the box body a13 can be used as a hydraulic oil tank, a battery box or a tool box, and can play a role in beauty.

In a specific example of application, a tank a13 serving as a hydraulic oil tank is installed on the left side of the driver's seat 3, and a tank b10 serving as a battery tank is installed on the right side of the driver's seat 3. Of course, the case a13 may be attached to the left side of the driver's seat 3 as a battery box, and the case b10 may be attached to the right side of the driver's seat 3 as a hydraulic oil tank. The residual space at the upper end of the storage battery box can be used as a small tool box. The installation can be carried out according to the requirements.

In the above example, the loader is easily refueled by providing the tank a13 as a hydraulic oil tank on the side of the driver's seat 3. Further, by providing battery box b10 on the other side of cab 3, maintenance and replacement are facilitated.

The box body a13 and the box body b10 which are used as a tool box and an oil tank have the same specification and similar shape, thereby being beneficial to the effect of convenient processing. The tool box and the oil tank are arranged symmetrically left and right, so that the overall appearance is improved. In another example, a fuel tank or a tool box can be used as a weight box, but the shape and the installation position are not changed.

The end of the rear frame 11 is provided with a weight box 18.

The weight box 18 can also be used as an oil tank, a battery box, a tool box and the like, thereby achieving the purpose of one box with multiple purposes.

The engine assembly 21 is a single-cylinder diesel horizontal engine assembly, and the engine assembly 21 is transversely arranged on the rear frame 11, namely the axis of the engine crankshaft and the axis of the rear axle are arranged in the same direction.

The specific model of the single-cylinder horizontal engine assembly can be selected and purchased in the market according to the actual situation, and is not described in detail herein. Particularly, the utility model discloses a microminiature loader is single cylinder four wheel drive. The single-cylinder engine assembly is small in size and beneficial to miniaturization of the small-sized loader.

The gearbox 22 is located at the front part of the rear frame 11, is located right below the driving seat 3, and is fixed on the rear frame 11 by bolts at the middle positions of the two boxes b10 and a 13. The transmission 22 provides two forward gears and two reverse gears, and may also provide high and low speeds. The reverse and forward gear lever of the instrument desk 14 is acted on the gear box 22 through a pull rod or a pull wire to change gears.

A driving cab is not arranged above the driving seat 3 of the loader, the arrangement can well pass through some low environments, and the loader can also be provided with the driving cab or the driving cab and the like according to actual requirements.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A compact loader comprises a frame (1), an engine assembly (21), a driving position (3), a working device (4), a transmission system, a hydraulic system and an electrical system, and is characterized in that the engine assembly (21) comprises an engine, a flywheel (25) and a belt pulley (26), the working device (4) comprises a working shovel or a working fork grab, the transmission system comprises a gearbox (22), the hydraulic system comprises a hydraulic pump (24), and the electrical system comprises a generator;

an engine in the engine assembly (21) drives a belt pulley (26) arranged on a flywheel (25) to rotate, and power is transmitted to a clutch (27) and a gearbox (22) of a transmission system, a hydraulic pump of a hydraulic system and a generator of an electrical system through a belt;

the frame (1) comprises a front frame (12) and a rear frame (11), an engine of the engine assembly (21) is transversely arranged on the rear frame (11), the front frame (12) is hinged with the rear frame (11), the working device (4) is arranged on the front frame (12), the engine assembly (21) and the driving position (3) are arranged on the rear frame (11), and the driving position (3) is positioned between the working device (4) and the engine assembly (21);

a front drive axle (5) and front wheels (6) connected with the front drive axle (5) are arranged on the front frame (12), and a rear drive axle (7) and rear wheels (8) connected with the rear drive axle (7) are arranged on the rear frame (11);

the gearbox (22) transmits power to a transmission shaft (23), the transmission shaft (23) transmits power to a front drive axle (5) and a rear drive axle (7), the front drive axle (5) drives front wheels (6) to rotate, and the rear drive axle (7) drives rear wheels (8) to rotate;

the number of the front wheels (6) and the number of the rear wheels (8) are two, the wheel track of the two front wheels (6) is equal to that of the two rear wheels (8), and the wheel track is 900-1100 mm;

the distance between the axis of the front wheel (6) and the axis of the rear wheel (8) is 1400-1800 mm.

2. The compact loader of claim 1, further comprising an instrument desk (14), wherein the front end of the rear frame (11) is provided with a hinged steel plate, the instrument desk (14) is fixed at the position of the hinged steel plate at the front end of the rear frame (11), and the surface of the instrument desk (14) is provided with a reverse and forward gear rod, a steering wheel, a steering gear rod, an electrical switch and an instrument;

wind shields (15) are arranged on the hinged steel plates and in front of the instrument desk, and side plates (16) are fixed on the left side and the right side of each wind shield (15);

a hood (2) is further arranged on the rear frame (11), and the engine assembly (21) is arranged in the hood (2); a generator and a hydraulic pump are also arranged in the hood (2);

the hood (2) can provide housing protection for accessories such as an engine assembly (21),

a driving seat (9) is arranged at the front section part of the upper surface of the hood (2); the rear section part on the hood (2) is provided with an oil tank and an air filter; a hydraulic multi-way valve operating handle (17) is arranged at the front right of the driving seat (9);

radiating holes (19) are formed in the left side, the right side and the rear side of the hood (2); and rear fenders (20) are arranged under the heat dissipation holes on the two sides of the hood (2).

3. The compact loader of claim 1, further comprising a box b (10) and a box a (13), wherein the box b (10) and the box a (13) are disposed on the rear frame (11), are disposed on the left and right sides of the cab (3), and are fixed to the rear frame (11) by bolts.

4. A compact loader as claimed in claim 1 wherein the rear frame (11) is terminated with a weight box (18).

5. A compact loader as claimed in claim 1 wherein the engine assembly (21) is a single cylinder diesel horizontal engine assembly, the engine assembly (21) being disposed transversely to the rear frame (11) such that the engine crankshaft axis and the rear axle axis are in a co-directional arrangement.