CN111636507A - Miniature electric four-wheel drive loader - Google Patents

Abstract

The invention discloses a miniature electric four-wheel-drive loader, which particularly relates to the field of loaders and comprises a main vehicle body and a front vehicle body, wherein the front vehicle body is fixedly arranged at one end of the main vehicle body, an installation box is fixedly arranged above the main vehicle body, an installation bin is arranged in the installation box, a bottom plate is fixedly arranged in the installation bin, a battery box is movably arranged above the bottom plate, the top of the battery box is provided with a fixed frame, the fixed frame is fixedly arranged at the top end in the installation bin, the upper surface of the bottom plate is provided with a placing groove, two sides of one end of the bottom plate are fixedly provided with side baffles, a sliding groove and an opening are formed in the side baffles, the opening is communicated with the top of one end of the sliding groove, one end of the inside of the sliding groove is movably provided with a limiting rod. The invention is convenient for replacing or overhauling the storage battery, does not need to be disassembled by a large project, and has simple and convenient operation.

Description

Miniature electric four-wheel drive loader

Technical Field

The invention relates to the field of loaders, in particular to a miniature electric four-wheel-drive 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 soil, gravel, lime, coal and other bulk materials, and also for light shoveling and digging of ore, hard soil and other materials.

The battery is installed in the inside of battery box more to current electronic four-wheel drive loader, and the battery box has to be installed in the saddle below, when changing or overhauing the battery, needs earlier to dismantle the saddle, opens the battery box again, and the engineering volume is great, is unfavorable for the operation.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a miniature electric four-wheel-drive loader.

In order to achieve the purpose, the invention provides the following technical scheme: a miniature electric four-wheel drive loader comprises a main vehicle body and a front vehicle body, wherein the front vehicle body is fixedly arranged at one end of the main vehicle body, an installation box is fixedly arranged above the main vehicle body, an installation bin is arranged in the installation box, a bottom plate is fixedly arranged in the installation bin, a battery box is movably arranged above the bottom plate, a fixed frame is arranged at the top of the battery box and is fixedly arranged at the top end of the interior of the installation bin, a placement groove is formed in the upper surface of the bottom plate, side baffles are fixedly arranged at two sides of one end of the bottom plate, a sliding groove and an opening are formed in the side baffles and are communicated with the top of one end of the sliding groove, a limiting rod is movably arranged at one end of the sliding groove, inserting plates are fixedly arranged at two ends of the top of the limiting rod, connecting grooves are respectively formed in two sides of the, the surface of the fixed shaft is provided with a roller, and the fixed shaft movably penetrates through the center inside the roller.

When changing or overhauing the battery, open the installation storehouse, the pull battery case, the battery case bottom slides inside the standing groove, the connecting rod slides inside the spout, the fixed axle rotates inside the spread groove, the battery case most is taken out to the installation storehouse outside, the battery case top that spills the part sets up the lid, open the lid and can overhaul or change the battery, the back of finishing the operation, inside the battery case pushback installation storehouse, the vertical direction of gag lever post passes the opening and gets into the one end that corresponds the spout, use the screw to fix the horizontal plate of picture peg on the side shield, the gag lever post blocks the one end at the battery case, the vertical board of bottom plate blocks the other end at the battery case, can fix the battery case.

In a preferred embodiment, the inside fixed hydraulic pump, differential case motor, differential case, controller, the oil pump of stopping, rear axle package subassembly and the transmission shaft of stopping that is equipped with of main automobile body, the differential case is located between hydraulic pump and the differential case motor, the oil pump of stopping is located hydraulic pump one end, rear axle package subassembly is located the oil one end of keeping away from the hydraulic pump of stopping the pump, the controller is located rear axle package subassembly one side, differential case one end is located to the transmission shaft is fixed.

In a preferred embodiment, a steering shaft, an oil cylinder fixing lug, an oil cylinder fixing shaft, a fixing sleeve, a sealing cover and a protecting sleeve are fixedly arranged at one end of the main vehicle body close to the front vehicle body, the oil cylinder fixing lug is located at the bottom of the protecting sleeve, the oil cylinder fixing shaft is fixedly arranged inside the oil cylinder fixing lug, the fixing sleeve is fixedly arranged at the top of the steering shaft, and the sealing cover is located at the top of the fixing sleeve.

In a preferred embodiment, preceding automobile body is close to the fixed stepped bearing that is equipped with of one end of main automobile body, turns to reference column, No. two stepped bearing, connecting plate and fender, No. one stepped bearing and No. two stepped bearing all inlay and locate inside the connecting plate, just No. one stepped bearing is located No. two stepped bearing bottoms, it is located one side of a stepped bearing to turn to the reference column, the fender sets up two sets ofly, and two sets of the both sides of connecting plate are fixed respectively to the fender.

In a preferred embodiment, the four corners of the main vehicle body are provided with hollow pipes, the hollow pipes are welded and fixed with the main vehicle body, supporting rods movably penetrate through the insides of the hollow pipes, the supporting rods and the hollow pipes are fixed through bolts, a ceiling frame is fixedly arranged at the tops of the supporting rods, and the ceiling frame is located above the installation box.

In a preferred embodiment, a shift lever and a hydraulic oil tank are fixedly arranged above one end of the main vehicle body away from the mounting box, and the hydraulic oil tank is positioned on one side of the shift lever.

In a preferred embodiment, a door plate is movably arranged at one end of the installation bin, and the door plate is detachably connected with the installation box through a bolt.

In a preferred embodiment, the bottom plate is provided in an L shape, the placement groove is opened on a horizontal plate of the bottom plate, and the side baffle is fixedly provided on a vertical plate of the bottom plate.

In a preferred embodiment, the bottom of the battery box is movably arranged in the placing groove, and the limiting rod is movably arranged at one end of the battery box.

In a preferred embodiment, the insertion plate is arranged in a T shape, and the vertical plate of the insertion plate movably penetrates through the opening.

In a preferred embodiment, the connecting rod penetrates through the inside of the corresponding sliding groove, and the connecting rod is slidably disposed along the inside of the corresponding sliding groove.

In a preferred embodiment, the fixing frame is provided with two groups corresponding to the connecting grooves in the horizontal direction, the fixing shaft is provided with a plurality of groups at equal intervals along the fixing frame, and the roller is rotatably arranged inside the corresponding connecting grooves.

The invention has the technical effects and advantages that:

1. according to the invention, the installation box is arranged, so that the storage battery is convenient to replace or maintain, the installation bin is opened, the battery box is pulled, the bottom of the battery box slides in the placing groove, the connecting rod slides in the sliding groove, the fixing shaft rotates in the connecting groove, most of the battery box is drawn out of the installation bin, the box cover is arranged at the top of the leaked battery box, the storage battery can be maintained or replaced by opening the box cover, after the operation is finished, the battery box is pushed back into the installation bin, the limiting rod penetrates through the opening in the vertical direction and enters one end of the corresponding sliding groove, the horizontal plate of the inserting plate is fixed on the side baffle plate by using a screw, the limiting rod blocks one end of the battery box, the vertical plate of the bottom plate blocks the other end of the battery box.

2. According to the invention, the hollow tube and the support rod are arranged, so that the height of the ceiling frame can be conveniently adjusted, the support rod can move up and down in the corresponding hollow tube, when the height of the ceiling frame needs to be adjusted, the screw of the hollow tube is loosened, the height of the ceiling frame can be adjusted by moving the support rod up and down, the height of the ceiling frame can be conveniently adjusted according to the height of a user and a use place, and therefore, the occupied space is saved.

3. The hydraulic pump, the differential case motor, the differential case, the controller, the oil brake pump and the rear axle packet assembly are an internal driving structure of the main vehicle body and can ensure the running work of the main vehicle body, the U-shaped connecting seats are arranged at one ends of the main vehicle body, which are close to the front vehicle body, the steering shaft penetrates through the interiors of the second step bearing and the first step bearing, the fixing sleeve is arranged at the top of the steering shaft to facilitate the connection of the main vehicle body and the front vehicle body, the mudguard is arranged at the top of the wheels, the gear lever is convenient for a driver to operate, and the driving work is integrally facilitated.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure diagram of the installation box of the invention.

Fig. 3 is a schematic view of the bottom plate structure of the present invention.

Fig. 4 is a schematic view of a stop lever according to the present invention.

Fig. 5 is a schematic view of a battery pack according to the present invention.

Fig. 6 is a schematic view of the fixing frame of the present invention.

Fig. 7 is a schematic plan view of the main vehicle body internal structure of the present invention.

Fig. 8 is a schematic view of a connection end structure of the main vehicle body of the present invention.

Fig. 9 is a schematic view of a connecting end structure of the front vehicle body of the present invention.

The reference signs are: 1 main vehicle body, 101 hydraulic pump, 102 differential case motor, 103 differential case, 104 controller, 105 oil brake pump, 106 rear axle package component, 107 transmission shaft, 111 steering shaft, 112 oil cylinder fixing lug, 113 oil cylinder fixing shaft, 114 fixing sleeve, 115 sealing cover, 116 protection sleeve, 2 installation case, 21 installation bin, 22 bottom plate, 221 placing groove, 222 side baffle, 223 sliding groove, 224 opening, 225 limiting rod, 226 inserting plate, 23 battery box, 231 connecting groove, 232 connecting rod, 24 fixing frame, 241 fixing shaft, 242 rolling shaft, 25 door plate, 3 hollow tube, 4 supporting rod, 5 ceiling frame, 6 shifting lever, 7 hydraulic oil tank, 8 front vehicle body, 81 first step bearing, 82 steering positioning column, 83 second step bearing, 84 connecting plate and 85 fender.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a miniature electric four-wheel-drive loader, which comprises a main vehicle body 1 and a front vehicle body 8, wherein the front vehicle body 8 is fixedly arranged at one end of the main vehicle body 1, an installation box 2 is fixedly arranged above the main vehicle body 1, an installation bin 21 is arranged in the installation box 2, a bottom plate 22 is fixedly arranged in the installation bin 21, a battery box 23 is movably arranged above the bottom plate 22, a fixed frame 24 is arranged at the top of the battery box 23, the fixed frame 24 is fixedly arranged at the top end in the installation bin 21, a placing groove 221 is arranged on the upper surface of the bottom plate 22, side baffles 222 are fixedly arranged at two sides of one end of the bottom plate 22, a sliding groove 223 and an opening 224 are arranged in each side baffle 222, the opening 224 is communicated with the top of one end of the sliding groove 223, a limiting rod 225 is movably arranged at one end in the sliding groove 223, inserting plates 226 are fixedly arranged at two ends of the, the battery pack is characterized in that connecting rods 232 are fixedly arranged on two sides of one end of the battery box 23, a fixing shaft 241 is fixedly arranged on the side face of the fixing frame 24, a roller 242 is arranged on the surface of the fixing shaft 241, and the fixing shaft 241 movably penetrates through the center of the inside of the roller 242.

1 four corners of main automobile body all is equipped with hollow tube 3, and welded fastening between hollow tube 3 and the main automobile body 1, 3 inside activities of hollow tube run through there is bracing piece 4, just through the bolt fastening between bracing piece 4 and the hollow tube 3, 4 fixed ceiling mounts 5 that are equipped with in bracing piece top, just ceiling mounts 5 is located install bin 2 tops.

A gear lever 6 and a hydraulic oil tank 7 are fixedly arranged above one end of the main vehicle body 1 far away from the installation box 2, and the hydraulic oil tank 7 is positioned on one side of the gear lever 6.

The door plate 25 is movably arranged at one end of the installation bin 21, and the door plate 25 is detachably connected with the installation box 2 through bolts.

The bottom plate 22 is arranged in an L shape, the placing groove 221 is formed in a horizontal plate of the bottom plate 22, and the side baffle 222 is fixedly arranged on a vertical plate of the bottom plate 22.

The bottom of the battery box 23 is movably arranged in the placing groove 221, and the limiting rod 225 is movably arranged at one end of the battery box 23.

The insertion plate 226 is arranged in a T shape, and a vertical plate of the insertion plate 226 movably penetrates through the opening 224.

The connecting rod 232 penetrates through the corresponding sliding groove 223, and the connecting rod 232 is slidably disposed along the corresponding sliding groove 223.

The fixing frame 24 is provided with two groups corresponding to the connecting grooves 231 in the horizontal direction, the fixing shaft 241 is provided with a plurality of groups at equal intervals along the fixing frame 24, and the roller 242 is rotatably arranged inside the corresponding connecting grooves 231.

As shown in fig. 1 to 6, the embodiment specifically is: the storage battery is arranged in the battery box 23, wherein the vertical plate of the bottom plate 22 and the side surface of the mounting box 2 are both provided with threading holes, the connecting wire passes through the threading holes, redundant connecting wires are wound outside the mounting box 2, when the storage battery is replaced or overhauled, the screws of the door plate 25 are disassembled, the mounting box 21 is opened, the battery box 23 is pulled, the bottom of the battery box 23 slides in the placing groove 221, the connecting rod 232 slides in the sliding groove 223, the fixing shaft 241 is used for supporting the rolling shaft 242, the fixing shaft 241 rotates in the connecting groove 231, most of the battery box 23 is pulled out of the mounting box 21, the top of the leaked part of the battery box 23 is provided with a box cover, which is a common operation of technical personnel in the field, the storage battery can be overhauled or replaced by opening the box cover, after the operation is finished, the battery box 23 is, the vertical plate of the inserting plate 226 stays inside the opening 224, the horizontal plate of the inserting plate 226 stays at the top of the opening 224, the horizontal plate of the inserting plate 226 is fixed on the side baffle 222 by using a screw, the limiting rod 225 blocks one end of the battery box 23, the vertical plate of the bottom plate 22 blocks the other end of the battery box 23, the battery box 23 can be fixed, and the maintenance or the replacement of the storage battery is completed after the door plate 25 is closed.

The four corners of the vehicle body 1 are provided with hollow pipes 3, and the hollow pipes 3 are welded and fixed with the vehicle body 1.

A support rod 4 penetrates through the hollow tube 3 movably, and the support rod 4 and the hollow tube 3 are fixed through bolts.

The top of the support rod 4 is fixedly provided with a ceiling frame 5, and the ceiling frame 5 is positioned above the installation box 2.

As shown in fig. 1, the embodiment specifically includes: 3 welded fastening of hollow tube is on automobile body 1, and bracing piece 4 can reciprocate corresponding 3 inside hollow tubes, uses the bolt to fix hollow tube 3 and bracing piece 4, when needing to adjust the height of ceiling frame 5, loosens the screw of hollow tube 3, reciprocates bracing piece 4 and can adjust the height of ceiling frame 5, is convenient for adjust the height of ceiling frame 5 according to user's height and use place to save occupation space.

The inside fixed hydraulic pump 101, differential case motor 102, differential case 103, controller 104, the oil pump 105 of stopping, rear axle package subassembly 106 and transmission shaft 107 of being equipped with of main truck body 1, differential case 103 is located between hydraulic pump 101 and the differential case motor 102, the oil pump 105 of stopping is located hydraulic pump 101 one end, rear axle package subassembly 106 is located the oil one end of stopping pump 105 and keeping away from hydraulic pump 101, controller 104 is located rear axle package subassembly 106 one side, transmission shaft 107 is fixed to be located differential case 103 one end.

The fixed steering shaft 111 that is equipped with of one end of main automobile body 1 near preceding automobile body 8, the fixed ear 112 of hydro-cylinder, hydro-cylinder fixed axle 113, fixed cover 114, sealed lid 115 and protective casing 116, the fixed ear 112 of hydro-cylinder is located protective casing 116 bottom, inside the fixed ear 112 of hydro-cylinder was located to the fixed ear 113 of hydro-cylinder, fixed cover 114 is fixed to be located steering shaft 111 top, sealed lid 115 is located fixed cover 114 top.

Preceding automobile body 8 is close to fixed being equipped with a step bearing 81, turning to reference column 82, No. two step bearing 83, connecting plate 84 and fender 85 of one end of main automobile body 1, step bearing 81 and No. two step bearing 83 all inlay and locate inside connecting plate 84, just step bearing 81 is located No. two step bearing 83 bottoms, turn to reference column 82 and be located one side of step bearing 81, fender 85 sets up two sets ofly, and is two sets of fender 85 is fixed respectively and locates the both sides of connecting plate 84.

As shown in fig. 1, 7, 8 and 9, the embodiment specifically is: the hydraulic pump 101, the differential case motor 102, the differential case 103, the controller 104, the oil brake pump 105 and the rear axle package subassembly 106 are internal driving structures of the main vehicle body 1, the installation and working modes are common means of technicians in the field, the running work of the main vehicle body 1 is guaranteed, one ends, close to the main vehicle body 1 and the front vehicle body 8, of the main vehicle body 1 are respectively provided with a U-shaped connecting seat, the steering shaft 111 penetrates through the interiors of the second step bearing 83 and the first step bearing 81, the fixed sleeve 114 is arranged at the top of the steering shaft 111, the main vehicle body 1 is conveniently connected with the front vehicle body 8, the mudguard 85 is arranged at the top of a wheel, the gear lever 6 is convenient for a driver to operate, and the whole driving work.

The working principle of the invention is as follows:

referring to the attached drawings 1-9 of the specification, when the storage battery is replaced or overhauled, the screw of the door plate 25 is detached, the mounting bin 21 is opened, the battery box 23 is pulled, the bottom of the battery box 23 slides in the placing groove 221, the connecting rod 232 slides in the sliding groove 223, the fixing shaft 241 rotates in the connecting groove 231, most of the battery box 23 is drawn out of the mounting bin 21, the box cover is arranged at the top of the leaked part of the battery box 23, the battery box 23 can be overhauled or replaced by opening the box cover, after the operation is finished, the battery box 23 is pushed back into the mounting bin 21, the limiting rod 225 vertically passes through the opening 224 and enters one end of the corresponding sliding groove 223, the horizontal plate of the inserting plate 226 is fixed on the side baffle 222 by using the screw, the limiting rod 225 is blocked at one end of the battery box 23, the vertical plate of the bottom plate 22 is blocked at, when the height of the ceiling frame 5 needs to be adjusted, the screw of the hollow tube 3 is loosened, the height of the ceiling frame 5 can be adjusted by moving the support rod 4 up and down, the height of the ceiling frame 5 can be conveniently adjusted according to the height of a user and the using place, and therefore the occupied space is saved, the hydraulic pump 101, the differential case motor 102, the differential case 103, the controller 104, the oil brake pump 105 and the rear axle packet assembly 106 are internal driving structures of the main vehicle body 1, the running work of the main vehicle body 1 is ensured, one ends, close to the main vehicle body 1 and the front vehicle body 8, of the main vehicle body 1 and the front vehicle body 8 are respectively provided with a U-shaped connecting seat, the steering shaft 111 penetrates through the two stepped bearings 83 and the one stepped bearing 81, the fixing sleeve 114 is arranged at the top of the steering shaft 111, the main vehicle body 1 and the front vehicle body 8 are conveniently connected, the mudguard 85.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (12)

1. The utility model provides a miniature electronic four-wheel drive loader, includes main automobile body (1) and preceding automobile body (8), preceding automobile body (8) are fixed to be located main automobile body (1) one end, its characterized in that: the mounting box (2) is fixedly arranged above the main car body (1), the mounting bin (21) is arranged inside the mounting box (2), the bottom plate (22) is fixedly arranged inside the mounting bin (21), the battery box (23) is movably arranged above the bottom plate (22), the top of the battery box (23) is provided with the fixing frame (24), the fixing frame (24) is fixedly arranged at the top end inside the mounting bin (21), the upper surface of the bottom plate (22) is provided with the placing groove (221), both sides of one end of the bottom plate (22) are fixedly provided with the side baffle (222), the side baffle (222) is internally provided with the sliding groove (223) and the opening (224), the opening (224) is communicated with the top of one end of the sliding groove (223), one end inside the sliding groove (223) is movably provided with the limiting rod (225), both ends of the top of the limiting rod (225) are fixedly, connecting groove (231) have all been seted up to battery case (23) top both sides, battery case (23) one end both sides are all fixed and are equipped with connecting rod (232), fixed axle (241) are equipped with to mount (24) side, fixed axle (241) surface is equipped with roller bearing (242), just fixed axle (241) activity runs through in roller bearing (242) inside center.

2. The miniature electric four-wheel drive loader of claim 1, wherein: the main truck body (1) is inside fixed to be equipped with hydraulic pump (101), differential case motor (102), differential case (103), controller (104), oil pump (105), rear axle package subassembly (106) and transmission shaft (107) of stopping, differential case (103) are located between hydraulic pump (101) and differential case motor (102), oil pump (105) of stopping are located hydraulic pump (101) one end, rear axle package subassembly (106) are located the one end that hydraulic pump (101) were kept away from in oil pump (105) of stopping, controller (104) are located rear axle package subassembly (106) one side, differential case (103) one end is fixed to be located in transmission shaft (107).

3. The miniature electric four-wheel drive loader of claim 1, wherein: the fixed steering spindle (111), the fixed ear (112) of hydro-cylinder, hydro-cylinder fixed axle (113), fixed cover (114), sealed lid (115) and protective casing (116) of being equipped with of one end that main automobile body (1) were close to preceding automobile body (8), the fixed ear (112) of hydro-cylinder is located protective casing (116) bottom, inside fixed ear (112) of hydro-cylinder was located in fixed hydro-cylinder of hydro-cylinder fixed axle (113), fixed cover (114) are fixed to be located steering spindle (111) top, sealed lid (115) are located fixed cover (114) top.

4. The miniature electric four-wheel drive loader of claim 1, wherein: preceding automobile body (8) are close to the fixed stepped bearing (81) that is equipped with of one end of main automobile body (1), turn to reference column (82), No. two stepped bearing (83), connecting plate (84) and fender (85), stepped bearing (81) and No. two stepped bearing (83) all inlay and locate inside connecting plate (84), just stepped bearing (81) are located No. two stepped bearing (83) bottoms, turn to reference column (82) and be located one side of stepped bearing (81), fender (85) set up two sets ofly, and two sets of fender (85) are the both sides of fixed locating connecting plate (84) respectively.

5. The miniature electric four-wheel drive loader of claim 1, wherein: main automobile body (1) four corners all is equipped with hollow tube (3), and welded fastening between hollow tube (3) and main automobile body (1), hollow tube (3) inside activity runs through there is bracing piece (4), just through the bolt fastening between bracing piece (4) and hollow tube (3), bracing piece (4) top is fixed and is equipped with ceiling frame (5), just ceiling frame (5) are located install bin (2) top.

6. The miniature electric four-wheel drive loader of claim 1, wherein: the main vehicle body (1) is far away from one end of the installation box (2), a gear lever (6) and a hydraulic oil tank (7) are fixedly arranged above the end, and the hydraulic oil tank (7) is located on one side of the gear lever (6).

7. The miniature electric four-wheel drive loader of claim 1, wherein: and a door plate (25) is movably arranged at one end of the installation bin (21), and the door plate (25) is detachably connected with the installation box (2) through bolts.

8. The miniature electric four-wheel drive loader of claim 1, wherein: the bottom plate (22) is arranged in an L shape, the placing groove (221) is formed in a horizontal plate of the bottom plate (22), and the side baffle (222) is fixedly arranged on a vertical plate of the bottom plate (22).

9. The miniature electric four-wheel drive loader of claim 1, wherein: the bottom of the battery box (23) is movably arranged in the placing groove (221), and the limiting rod (225) is movably arranged at one end of the battery box (23).

10. The miniature electric four-wheel drive loader of claim 1, wherein: the inserting plate (226) is arranged in a T shape, and a vertical plate of the inserting plate (226) movably penetrates through the opening (224).

11. The miniature electric four-wheel drive loader of claim 1, wherein: the connecting rod (232) penetrates through the corresponding sliding groove (223), and the connecting rod (232) is arranged in a sliding mode along the corresponding sliding groove (223).

12. The miniature electric four-wheel drive loader of claim 1, wherein: the fixing frame (24) is characterized in that two groups of connecting grooves (231) are arranged in the horizontal direction of the fixing frame (24), a plurality of groups are arranged on the fixing shaft (241) along the fixing frame (24) at equal intervals, and the roller (242) is rotatably arranged inside the corresponding connecting grooves (231).

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