Fire-fighting toy baby carriage

The fire-fighting toy car, designed with four-wheel drive and a precision steering mechanism, solves the problems of limited functionality and unstable steering of existing children's fire-fighting toy cars, achieving stable driving in complex terrain and enhancing its fun.

CN224236061UActive Publication Date: 2026-05-15JIAXING HARLEY BABYCAR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIAXING HARLEY BABYCAR CO LTD
Filing Date
2025-04-10
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing children's fire-fighting toy cars have limited functionality, lack operability, have unstable steering performance, are difficult to adapt to complex terrain, and the increased weight of motor-driven children's cars makes driving difficult.

Method used

A fire-fighting toy car was designed, featuring a four-wheel drive system with independent power units driving the front and rear wheels, and precise control via a steering mechanism. Combined with fire-fighting components such as water guns and water tanks, it enhances fun and adaptability.

Benefits of technology

It enhances the fun and safety of toy cars, improves their adaptability in complex terrain, ensures vehicle stability and maneuverability, and reduces safety hazards caused by children's operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fire-fighting toy baby carriage which comprises a baby carriage frame, a front wheel assembly, a rear wheel assembly, a driving mechanism and a steering mechanism used for controlling steering of the baby carriage. The front wheel assembly and the rear wheel assembly are arranged at the bottom of the baby carriage frame; the front wheel assembly comprises a left front wheel and a right front wheel which are arranged on the left side and the right side of the front portion of the baby carriage frame respectively. The rear wheel assembly comprises a left rear wheel and a right rear wheel which are arranged on the left side and the right side of the rear portion of the baby carriage frame respectively. The steering mechanism is connected with the front wheel assembly; a positioning plate is mounted at the tail of the baby carriage frame, a groove is formed in the middle of the positioning plate, and a fire-fighting assembly is detachably assembled in the groove; the fire-fighting toy baby carriage is simple in structure, interestingness of the fire-fighting toy baby carriage can be improved by arranging the fire-fighting assembly at the tail of the baby carriage frame, water spraying operation can be carried out by arranging the fire-fighting containing box, the water gun, the water storage tank and assemblies of the fire-fighting containing box, the water gun and the water storage tank, children are attracted more easily, and fire-fighting awareness of the children is cultivated.
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Description

Technical Field

[0001] This utility model belongs to the field of children's vehicle technology, and in particular relates to a fire-fighting toy children's vehicle. Background Technology

[0002] The toy and children's vehicle market is developing rapidly with the continuous improvement of people's living standards. Toy cars account for a large proportion of the toy market, but the types of toy cars on the market are still relatively limited, especially for special vehicles, which cannot meet children's diverse needs for toy cars.

[0003] Currently, most children's fire truck toy cars on the market have simple functions, only resembling fire trucks in appearance. Children can only push the toy cars for simple movement, lacking other operable and playable structures, making it easy for children to lose interest in them quickly. Furthermore, existing toy cars are basically driven by a single motor, with the motor either front- or rear-mounted. Adding fire-fighting equipment increases the car's weight, making it difficult to extricate itself from complex road conditions, such as hitting rocks or getting stuck in potholes; manual intervention is required to put it back on level ground. In addition, single-motor driven electric cars have unstable steering performance, poor maneuverability, and are difficult to maneuver.

[0004] Therefore, it is necessary to improve upon the above-mentioned issues. Utility Model Content

[0005] The purpose of this utility model is to provide a fire-fighting toy car with a simple structure, reasonable design, ability to adapt to complex terrain environments, and good steering performance.

[0006] To achieve the above objectives, the technical solution adopted by this utility model patent is as follows: a fire-fighting toy stroller, comprising a stroller frame, a front wheel assembly, a rear wheel assembly, a drive mechanism, and a steering mechanism for controlling the stroller's steering; the front wheel assembly and the rear wheel assembly are disposed at the bottom of the stroller frame; the front wheel assembly includes a left front wheel and a right front wheel respectively disposed on the left and right sides of the front of the stroller frame; the rear wheel assembly includes a left rear wheel and a right rear wheel respectively disposed on the left and right sides of the rear of the stroller frame; the steering mechanism is connected to the front wheel assembly; the drive mechanism includes a front power device and a rear power device, the front power device being used to drive the front wheel assembly to rotate, and the rear power device being used to drive the rear wheel assembly to rotate; a positioning plate is installed at the rear of the stroller frame, and a groove is formed in the middle of the positioning plate, within which fire-fighting components are detachably assembled.

[0007] As a preferred embodiment of this utility model, the fire-fighting component includes a fire-fighting containment box, which is equipped with a water gun placement slot and a water storage tank placement slot; the water gun placement slot and the water storage tank placement slot are connected; a water gun is placed in the water gun placement slot, and a water storage tank is placed in the water storage tank placement slot; the water gun and the water storage tank are connected by a water pipe.

[0008] As a preferred embodiment of this utility model, the top outer side of the fire-fighting container is provided with multiple positioning cylinders, and screws are inserted into the positioning cylinders for assembling the fire-fighting container onto the positioning plate.

[0009] As a preferred embodiment of this utility model, the top of the positioning plate is provided with a plurality of anti-slip protrusions, the ends of which have a rounded transition structure.

[0010] As a preferred embodiment of this utility model, two front power units are provided, respectively assembled at both ends of the steering mechanism, and the front power units are used to drive the left front wheel and the right front wheel.

[0011] As a preferred embodiment of this utility model, two rear power devices are provided, respectively mounted on both ends of the rotating shaft, for driving the left rear wheel and the right rear wheel.

[0012] In a preferred embodiment of this utility model, the steering mechanism includes a steering rod and a steering motor for driving the steering rod to rotate; the top of the steering rod is connected to a steering wheel; the bottom of the steering rod is connected to a steering assembly, and the two ends of the steering assembly are respectively connected to the left front wheel and the right front wheel.

[0013] As a preferred embodiment of the present invention, the steering assembly includes a positioning square tube, wheel axles rotatably connected to both ends of the positioning square tube, an upper swing arm vertically fixed to the wheel axle, an upper steering plate hinged to the two upper swing arms, a left front wheel and a right front wheel rotatably connected to the wheel axle, an upper positioning plate fixed in the middle of the upper steering plate, an upper positioning through hole formed on the upper positioning plate, and the end of the steering rod passing through the upper positioning through hole.

[0014] As a preferred embodiment of the present invention, the steering assembly further includes a lower swing arm vertically fixed to the wheel axle, a lower steering plate hinged to the two lower swing arms respectively, a lower positioning plate fixed in the middle of the lower steering plate, a lower positioning through hole formed on the lower positioning plate, the end of the steering rod passing through the lower positioning through hole, the lower swing arm and the upper swing arm being arranged in corresponding positions, and the lower positioning through hole and the upper positioning through hole being arranged in corresponding positions.

[0015] In a preferred embodiment of this utility model, the front power unit includes a front drive motor and a front power reducer; the front drive motor is mounted on the front power reducer, and the wheel axle passes through the front power reducer; the rear power unit includes a rear drive motor and a rear power reducer; the rear drive motor is mounted on the rear power reducer, and the rotating shaft passes through the rear power reducer.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model has a simple structure. By setting fire-fighting components at the rear of the children's vehicle frame, the fun of the fire-fighting toy children's vehicle can be improved. At the same time, it is equipped with a fire-fighting container, water gun, water tank and its components, which can perform water spraying operation, making it easier to attract children and cultivate children's fire safety awareness.

[0018] 2. This utility model has an ingenious design. By setting up a front power unit and a rear power unit, and by installing independent drive motors on the left front wheel, right front wheel, left rear wheel and right rear wheel, and controlling the speed of the four tires independently by the control system, four-wheel drive is achieved. Compared with a car driven by a single motor, it can better adapt to complex terrain environments.

[0019] 3. In this embodiment, by setting a steering component, the steering rod drives the lower and upper swing rods to swing synchronously laterally, which improves the stability of the electric children's vehicle's steering performance. The lower and upper swing rods, under the action of the wheel axle, realize the rotation of the upper and lower steering plates, thereby realizing the control of the wheel swing angle and realizing the change of direction of the children's vehicle. The upper and lower steering plates have a simple structure, are precise and convenient to operate, are not easily damaged, and greatly improve the safety of the children's vehicle. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of a fire-fighting toy children's vehicle according to an embodiment of the present invention;

[0021] Figure 2 This is an exploded view of the structure of a fire-fighting toy children's vehicle according to an embodiment of the present invention;

[0022] Figure 3 This is a side view of a fire-fighting toy children's vehicle according to an embodiment of the present invention;

[0023] Figure 4 This is an exploded view of the fire protection component structure according to an embodiment of the present utility model;

[0024] Figure 5 This is a bottom view of a fire-fighting toy children's vehicle according to an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the power unit in an embodiment of the present invention;

[0026] Figure 7 This is a schematic diagram showing the connection between the front wheel assembly and the steering mechanism in an embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram of the steering assembly according to an embodiment of the present invention;

[0028] Explanation of reference numerals in the attached drawings: 1. Child stroller frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Steering mechanism; 5. Groove; 6. Front power unit; 7. Rear power unit; 8. Firefighting assembly; 9. Steering assembly; 10. Positioning plate; 11. Anti-slip protrusion; 21. Left front wheel; 22. Right front wheel; 31. Left rear wheel; 32. Right rear wheel; 41. Steering rod; 42. Steering motor; 43. Steering wheel; 61. Front drive motor; 62. Front power reducer; 70. Shaft; 71. Rear drive motor; 72. Rear power reducer; 80. Firefighting container box; 81. Water gun placement slot; 82. Water tank placement slot; 83. Water gun; 84. Water tank; 85. Water pipe; 86. Positioning cylinder; 87. Screw; 90. Positioning square tube; 91. Wheel axle; 92. Upper swing arm; 93. Upper steering plate; 93-1. Upper positioning through hole; 93-2. Lower swing arm; 94. Lower steering plate; 95. Lower positioning plate; 95-1. Lower positioning through hole; 95-2. Detailed Implementation

[0029] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] Example:

[0032] like Figure 1 , Figure 2 and Figure 3As shown, a fire-fighting toy stroller includes a stroller frame 1, a front wheel assembly 2, a rear wheel assembly 3, a drive mechanism, and a steering mechanism 4 for controlling the stroller's steering. The front wheel assembly 2 and the rear wheel assembly 3 are located at the bottom of the stroller frame 1. The front wheel assembly 2 includes a left front wheel 21 and a right front wheel 22 respectively located on the left and right sides of the front of the stroller frame 1. The rear wheel assembly 3 includes a left rear wheel 31 and a right rear wheel 32 respectively located on the left and right sides of the rear of the stroller frame 1. The steering mechanism 4 is connected to the front wheel assembly 2. The drive mechanism includes a front power unit 6 and a rear power unit 7. The front power unit 6 is used to drive the front wheel assembly 2 to rotate, and the rear power unit 7 is used to drive the rear wheel assembly 3 to rotate. A positioning plate 10 is installed at the rear of the stroller frame 1. A groove 5 is formed in the middle of the positioning plate 10, and a fire-fighting component 8 is detachably assembled in the groove 5.

[0033] This utility model enhances the fun of fire-fighting toy children's vehicles by setting a fire-fighting component 8 at the rear of the vehicle frame. It also includes a fire-fighting container 80, a water gun 83, a water tank 84, and their components, enabling water spraying operations, which is more attractive to children and helps cultivate their fire safety awareness.

[0034] This invention achieves four-wheel drive by setting up a front power unit 6 and a rear power unit 7, and by installing independent drive motors on the left front wheel 21, right front wheel 22, left rear wheel 31 and right rear wheel 32, and controlling the speed of the four tires independently by the control system. Compared with a car driven by a single motor, it can better adapt to complex terrain environments.

[0035] like Figure 4 As shown, Figure 4 This is an exploded view of the fire-fighting component structure according to an embodiment of the present utility model. Specifically, the fire-fighting component 8 includes a fire-fighting housing box 80, which is equipped with a water gun placement slot 81 and a water storage tank placement slot 82. The water gun placement slot 81 and the water storage tank placement slot 82 are connected. A water gun 83 is placed in the water gun placement slot 81, and a water storage tank 84 is placed in the water storage tank placement slot 82. The water gun 83 and the water storage tank 84 are connected by a water pipe 85.

[0036] like Figure 1 and Figure 4 As shown, multiple positioning cylinders 86 are arranged on the outer top of the fire-fighting container 80, and screws 87 are inserted into the positioning cylinders 86 for assembling the fire-fighting container 80 onto the positioning plate 10; thereby improving the structural strength and overall stability of the fire-fighting container 80 and the stroller frame 1, and thus ensuring safe use.

[0037] like Figure 1 and Figure 2As shown, the top of the positioning plate 10 is fixed with several anti-slip protrusions 11, and the ends of the anti-slip protrusions 11 have a rounded transition structure. Specifically, the anti-slip protrusions 11 with rounded transition structures are provided to increase the contact area between the anti-slip protrusions 11 and the user, thereby improving anti-slip stability.

[0038] This utility model increases the friction between the user and the positioning plate 10 by using the anti-slip protrusions 7 on the positioning plate 10, ensuring the stable positioning of the water gun and water tank during the placement or disassembly of the fire-fighting components 8, and effectively preventing slippage.

[0039] like Figure 5 , Figure 6 and Figure 8 As shown, there are two front power units 6, which are respectively mounted on both ends of the steering mechanism 4. The front power units 6 are used to drive the left front wheel 21 and the right front wheel 22 to move. There are two rear power units 7, which are respectively mounted on both ends of the rotating shaft 70 to drive the left rear wheel 31 and the right rear wheel 32 to move.

[0040] Specifically, the front power unit 6 includes a front drive motor 61 and a front power reducer 62; the front drive motor 61 is mounted on the front power reducer 62, and the wheel axle 91 passes through the front power reducer 62. The rear power unit 7 includes a rear drive motor 71 and a rear power reducer 72; the rear drive motor 71 is mounted on the rear power reducer 72, and the rotating shaft 70 passes through the rear power reducer 72.

[0041] This utility model features four drive wheels: the left front wheel 21, the right front wheel 22, the left rear wheel 31, and the right rear wheel 32. These provide strong driving force and road adaptability, especially on slippery surfaces such as those exposed to rain or snow in winter, resulting in better vehicle stability and reducing the risk of skidding and loss of control. This enhances safety. Furthermore, the four drive wheels improve the vehicle's traction and load-bearing capacity, while also enhancing playability and the overall experience for children.

[0042] like Figure 7 As shown, the steering mechanism 4 includes a steering rod 41 and a steering motor 42 for driving the steering rod 41 to rotate; the top of the steering rod 41 is connected to a steering wheel 43; the bottom of the steering rod 41 is connected to a steering assembly 9, and the two ends of the steering assembly 9 are respectively connected to the left front wheel 21 and the right front wheel 22; the steering wheel 43 is connected to the steering mechanism 4 for transmission, and is mainly used to drive the left front wheel 21 and the right front wheel 22 to steer when the steering wheel 43 is turned, thus saving manpower.

[0043] The positioning square tube 90 is assembled on the stroller frame 1, and the steering motor 42 is installed on the steering rod 41, thereby realizing the specific installation of the steering control system on the stroller. By installing the steering control system on the stroller, the stroller can quickly switch between manual steering control mode and electric steering control mode, thereby speeding up the intervention of parents to take over the driving direction of the stroller, effectively reducing the safety hazards caused by children's misoperation, and also reducing the force that children need to apply to the steering wheel when controlling the steering, thereby improving the children's user experience.

[0044] like Figure 8 As shown, Figure 8 This is a schematic diagram of the structure of the steering assembly 9 in an embodiment of the present invention. Specifically, the steering assembly 9 includes a positioning square tube 90, wheel axles 91 rotatably connected to both ends of the positioning square tube 90, upper swing rods 92 vertically fixed to the wheel axles 91, upper steering plates 93 hinged to the two upper swing rods 92, left front wheel 21 and right front wheel 22 rotatably connected to the wheel axles 91, an upper positioning plate 93-1 fixed in the middle of the upper steering plate 93, an upper positioning through hole 93-2 formed on the upper positioning plate 93-1, and the end of the steering rod 41 passing through the upper positioning through hole 93-2.

[0045] The steering assembly 9 also includes a lower swing arm 94 vertically fixed to the wheel axle 91, and a lower steering plate 95 hinged to the two lower swing arms 94 respectively. A lower positioning plate 95-1 is fixed in the middle of the lower steering plate 95. A lower positioning through hole 95-2 is formed on the lower positioning plate 95-1. The end of the steering rod 41 passes through the lower positioning through hole 95-2. The lower swing arms 94 are arranged in a position corresponding to the upper swing arms 92. The lower positioning through hole 95-2 is arranged in a position corresponding to the upper positioning through hole 93-2.

[0046] In this embodiment, the lower swing arm 94 and the upper swing arm 92 are driven to swing synchronously by the steering rod 41, which improves the stability of the electric children's vehicle's steering performance. The lower swing arm 94 and the upper swing arm 92 are rotated by the wheel axle 91, thereby realizing the control of the wheel swing angle and realizing the change of direction of the children's vehicle. The upper steering plate 93 and the lower steering plate 95 have a simple structure, are precise and convenient to operate, are not easily damaged, and greatly improve the safety of the children's vehicle.

[0047] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0048] Although this article makes extensive use of the reference numerals in the figures: 1. Child stroller frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Steering mechanism; 5. Groove; 6. Front power unit; 7. Rear power unit; 8. Fire-fighting assembly; 9. Steering assembly; 10. Positioning plate; 11. Anti-slip protrusion; 21. Left front wheel; 22. Right front wheel; 31. Left rear wheel; 32. Right rear wheel; 41. Steering rod; 42. Steering motor; 43. Steering wheel; 61. Front drive motor; 62. Front power reducer; 70. Rotary shaft; 71. Rear drive motor. The terminology used includes rear power reducer 72, fire-fighting containment box 80, water gun placement slot 81, water tank placement slot 82, water gun 83, water tank 84, water pipe 85, positioning cylinder 86, screw 87, positioning square tube 90, wheel axle 91, upper swing arm 92, upper steering plate 93, upper positioning plate 93-1, upper positioning through hole 93-2, lower swing arm 94, lower steering plate 95, lower positioning plate 95-1, lower positioning through hole 95-2, etc., but the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A fire-fighting toy children's vehicle, characterized in that: The stroller includes a frame (1), a front wheel assembly (2), a rear wheel assembly (3), a drive mechanism, and a steering mechanism (4) for controlling the stroller's direction. The front wheel assembly (2) and the rear wheel assembly (3) are located at the bottom of the stroller frame (1). The front wheel assembly (2) includes a left front wheel (21) and a right front wheel (22) respectively located on the left and right sides of the front of the stroller frame (1). The rear wheel assembly (3) includes a left rear wheel (21) respectively located on the left and right sides of the rear of the stroller frame (1). 31) and right rear wheel (32); the steering mechanism (4) is connected to the front wheel assembly (2); the drive mechanism includes a front power unit (6) and a rear power unit (7), the front power unit (6) is used to drive the front wheel assembly (2) to rotate, and the rear power unit (7) is used to drive the rear wheel assembly (3) to rotate; a positioning plate (10) is installed at the rear of the stroller frame (1), a groove (5) is formed in the middle of the positioning plate (10), and a fire-fighting component (8) is detachably assembled in the groove (5).

2. The fire-fighting toy car according to claim 1, characterized in that: The fire-fighting component (8) includes a fire-fighting containment box (80), which is equipped with a water gun placement slot (81) and a water tank placement slot (82); the water gun placement slot (81) and the water tank placement slot (82) are connected; a water gun (83) is placed in the water gun placement slot (81), and a water tank (84) is placed in the water tank placement slot (82); the water gun (83) and the water tank (84) are connected by a water pipe (85).

3. A fire-fighting toy car according to claim 2, characterized in that: The top outer side of the fire-fighting container (80) is provided with multiple positioning cylinders (86), and screws (87) are inserted into the positioning cylinders (86) for assembling the fire-fighting container (80) onto the positioning plate (10).

4. A fire-fighting toy car according to claim 1, characterized in that: The top of the positioning plate (10) is fixed with several anti-slip protrusions (11), and the ends of the anti-slip protrusions (11) have a rounded transition structure.

5. A fire-fighting toy car according to claim 1, characterized in that: Two front power units (6) are provided, respectively mounted on both ends of the steering mechanism (4). The front power units (6) are used to drive the left front wheel (21) and the right front wheel (22) to move.

6. A fire-fighting toy car according to claim 1, characterized in that: The rear power unit (7) is provided in two parts, respectively mounted on both ends of the rotating shaft (70), for driving the left rear wheel (31) and the right rear wheel (32) to move.

7. A fire-fighting toy car according to claim 1, characterized in that: The steering mechanism (4) includes a steering rod (41) and a steering motor (42) for driving the steering rod (41) to rotate; the top of the steering rod (41) is connected to a steering wheel (43); the bottom of the steering rod (41) is connected to a steering assembly (9), and the two ends of the steering assembly (9) are connected to the left front wheel (21) and the right front wheel (22) respectively.

8. A fire-fighting toy car according to claim 7, characterized in that: The steering assembly (9) includes a positioning square tube (90), wheel axles (91) rotatably connected to both ends of the positioning square tube (90), an upper rocker arm (92) vertically fixed to the wheel axle (91), an upper steering plate (93) hinged to the two upper rocker arms (92), a left front wheel (21) and a right front wheel (22) rotatably connected to the wheel axle (91), an upper positioning plate (93-1) fixed in the middle of the upper steering plate (93), an upper positioning through hole (93-2) formed on the upper positioning plate (93-1), and the end of the steering rod (41) passing through the upper positioning through hole (93-2).

9. A fire-fighting toy car according to claim 8, characterized in that: The steering assembly (9) also includes a lower swing arm (94) vertically fixed to the wheel axle (91), and a lower steering plate (95) hinged to the two lower swing arms (94) respectively. A lower positioning plate (95-1) is fixed in the middle of the lower steering plate (95). A lower positioning through hole (95-2) is formed on the lower positioning plate (95-1). The end of the steering rod (41) passes through the lower positioning through hole (95-2). The lower swing arm (94) and the upper swing arm (92) are arranged in a corresponding position. The lower positioning through hole (95-2) and the upper positioning through hole (93-2) are arranged in a corresponding position.

10. A fire-fighting toy car according to claim 1, characterized in that: The front power unit (6) includes a front drive motor (61) and a front power reducer (62); the front drive motor (61) is mounted on the front power reducer (62), and the axle (91) passes through the front power reducer (62). The rear power unit (7) includes a rear drive motor (71) and a rear power reducer (72); the rear drive motor (71) is mounted on the rear power reducer (72), and the shaft (70) passes through the rear power reducer (72).