CN219237129U

CN219237129U - Electric four-wheel dump truck

Info

Publication number: CN219237129U
Application number: CN202320175071.XU
Authority: CN
Inventors: 张玉国; 李玉发
Original assignee: Qingdao Shilitong Vehicle Co ltd
Current assignee: Qingdao Shilitong Vehicle Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-23
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses an electric four-wheel dump truck, which comprises a frame, a rear wheel frame, a truck hopper, a double-output-shaft motor, a steering device, an operating mechanism and an electric control unit, wherein the rear wheel frame is positioned at the rear side of the frame and is rotationally connected with the rear end of the frame. The hopper is positioned above the frame, the bottom is fixedly connected with the rear wheel frame, and the front side of the hopper is provided with a locking mechanism which is detachably connected with the frame. Two rear wheels are symmetrically arranged on two sides of the rear wheel frame, and a double-output-shaft motor is arranged on the rear wheel frame and can drive the two rear wheels to rotate. Front wheels are respectively arranged on two sides of the front end of the frame, a steering device is arranged at the front part of the frame, the steering device can drive the L-shaped rotating shaft to synchronously rotate, and an operating mechanism is connected to the front end of the steering device. The electric control unit is arranged at the bottom of the frame and comprises an electric control box, a battery pack and a controller. The utility model has reasonable structural design, adopts electric power to drive and control the vehicle body to advance, saves the physical strength of operators, can carry more weight of goods, has flexible and convenient speed and direction adjustment, and has better application prospect.

Description

Electric four-wheel dump truck

Technical Field

The utility model relates to the technical field of transport means vehicles, in particular to an electric four-wheel dump truck.

Background

The manual dumper is mainly used for carrying small articles and bulk cargoes, is particularly widely applied to the logistics industry and industrial product manufacturing, has a simple structure, is mainly pushed or pulled by manpower to walk, is inconvenient to operate, greatly consumes the physical strength of operators, has a low travelling speed, and is extremely limited in weight of carrying cargoes by virtue of a manually pushed and pulled hand-push flat car. When heavy goods are transported, the situation that the walking is slow and difficult occurs, and the use efficiency is low. The fixed structure of the hopper and the frame of the manual skip car is complex, and the operation is inconvenient. Accordingly, there is a need in the art for further improvements and enhancements.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an electric four-wheel dump truck, which solves the problems that the existing flat truck can only realize walking by means of manual pushing and pulling, is inconvenient to operate, greatly consumes the physical strength of a user, has limited advancing speed and cargo weight, has low use efficiency, and has complex fixed structure of a hopper and a frame and is inconvenient to operate.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an electric four-wheel dump truck, includes frame, rear wheel carrier, car hopper, double output shaft motor, steering gear, control mechanism and automatically controlled unit, the rear wheel carrier is located the rear side of frame, and its front end rotates with the rear end of frame and links to each other.

The hopper is located the top of frame, and the bottom of hopper links firmly with the back wheel carrier, and its front side is provided with the locking mechanism who links firmly with the frame can dismantle.

Two rear wheels are symmetrically arranged on the left side and the right side of the rear wheel frame, a motor with double output shafts is arranged on the rear wheel frame, and the two output shafts respectively drive the two rear wheels to rotate.

The left side and the right side of the front end of the frame are respectively provided with a front wheel, the steering device is arranged at the front part of the frame, the control mechanism is connected to the front side of the steering device, the two front wheels are respectively connected with the frame in a rotating way through an L-shaped rotating shaft, and the steering device drives the L-shaped rotating shaft to synchronously rotate.

The electric control unit is arranged at the bottom of the frame and comprises an electric control box, a battery pack and a controller, wherein the battery pack and the controller are arranged in the electric control box, the battery pack supplies power for the double-output-shaft motor, and the controller is in communication connection with a signal end of the double-output-shaft motor.

Further, the double output shaft motor is fixed at the lower part of the rear wheel frame, and the wheel shafts of the two rear wheels are coaxially and oppositely arranged and are fixedly connected with the two output ends of the double output shaft motor respectively.

The left and right sides of the front end of the rear wheel frame are respectively connected with the corresponding sides of the rear end of the frame in a rotating way through a round shaft.

Further, locking mechanism includes guide holder, U-shaped pin pole, reset spring and spacer pin, the guide holder is fixed in the front side bottom of car hopper, and U-shaped pin pole level is arranged, and its both ends wear out the guide holder backward and with its sliding fit, and the terminal surface at U-shaped pin pole both ends is the inclined plane.

Two pin holes corresponding to the end positions of the U-shaped pin rod are formed in the front side of the frame, two reset springs are respectively sleeved on rod bodies on the left side and the right side of the U-shaped pin rod, limiting pins are arranged on the front side of the reset springs in a penetrating mode, and gaskets are arranged between the limiting pins and the reset springs on the rear side.

Further, the vertical part of the L-shaped rotating shaft is in running fit with the frame, the horizontal part of the L-shaped rotating shaft is coaxially arranged, and the end parts of the L-shaped rotating shaft are opposite in direction.

The two front wheels are respectively arranged on the horizontal parts of the two L-shaped rotating shafts through bearings.

Further, the steering device comprises a bogie, two rocker arms and a connecting rod, wherein the two rocker arms are arranged in parallel left and right, and the front end of each rocker arm is fixedly connected with the vertical part of the L-shaped rotating shaft on the same side.

The connecting rod is horizontally arranged between the two rocker arms, and the left end and the right end of the connecting rod are respectively connected with the rear ends of the two rocker arms in a rotating way.

The middle part of bogie links to each other with the frame rotation, and its rear end with the middle part of connecting rod rotates and links to each other, and the bogie passes through connecting rod and two rocking arms can drive L shape pivot and rotate around its vertical part.

Further, the control mechanism comprises an operation rod, a U-shaped plate and a handle, one end of the operation rod is hinged with the front end of the bogie through a transverse shaft, and the U-shaped plate is fixed to the other end of the operation rod.

The handle is of an annular structure, one side of the handle is provided with a connecting frame which is integrated with the handle, and the connecting frame is connected with the U-shaped plate in an adjustable manner in an inserting manner.

The handle is provided with a mounting rod, a dial speed regulator is fixed on the mounting rod, a dial accelerator is arranged on the dial speed regulator, and a signal end of the dial accelerator is communicated with the controller.

Further, the electric cabinet is fixed in the bottom of frame, is equipped with scram switch and communication port on the right side wall of electric cabinet, is provided with the power supply port on the later lateral wall.

By adopting the technical scheme, the utility model has the beneficial technical effects that: the utility model has reasonable structural design, adopts electric power to drive and control the vehicle body to advance, saves the physical power of operators, can bear more weight of cargoes, improves the transporting efficiency of cargoes, has simple and reliable overturning of the hopper and fixing operation with the vehicle body, has more flexible and convenient adjustment of the speed and direction, and has better practical prospect.

Drawings

Fig. 1 is a schematic view of an electric four-wheel dump truck according to the present utility model.

Fig. 2 is a schematic view of the present utility model of fig. 1 with the hopper and four wheels removed.

Fig. 3 is a schematic view showing a combined structure of the rear wheel frame, the hopper and the locking mechanism of the present utility model.

Fig. 4 is an enlarged view of a partial structure of a portion a in fig. 3.

Fig. 5 is a schematic view showing a combined structure of the frame, the steering device and the steering mechanism of the present utility model.

Fig. 6 is a schematic view of a portion of fig. 5, showing the steering mechanism.

Detailed Description

The utility model is described in detail below with reference to the attached drawing figures:

referring to fig. 1 to 6, an electric four-wheel dump truck comprises a frame 11, a rear wheel frame 12, a hopper 2, a double-output shaft motor 3, a steering device 4, an operating mechanism 5 and an electric control unit, wherein the frame 11 and the rear wheel frame 12 are steel structure frames, the rear wheel frame 12 is positioned at the rear side of the frame 11, the left and right sides of the front end of the rear wheel frame 12 are respectively connected with the corresponding sides of the rear end of the frame 11 in a rotating way through a round shaft 14, and the rear wheel frame 12 can rotate downwards relative to the frame 11 around the axis of a rotating shaft.

The hopper 2 is positioned above the frame 11, the rear part of the bottom of the hopper 2 is fixedly connected with the rear wheel frame 12, and the hopper 2 can rotate together relative to the rear end of the frame 11 by the wheel frame 12, so that the tipping bucket action can be realized and objects contained in the hopper can be tipped out. The front side of the hopper 2 is fixedly provided with a locking mechanism which is detachably connected with the frame 11, and the hopper 2 can be fixedly connected with or separated from the frame 11 through the locking mechanism.

Specifically, the locking mechanism comprises a guide seat 21, a U-shaped pin rod 22, a reset spring 23 and a limiting pin, wherein the guide seat 21 is fixed at the bottom of the front side of the car hopper 2, the U-shaped pin rod 22 is horizontally arranged, two ends of the U-shaped pin rod 22 penetrate through the guide seat 21 backwards and are in sliding fit with the guide seat 21, and the end faces of the two ends of the U-shaped pin rod 22 are inclined planes. The guide seat 21 adopts a section of channel steel which is transversely and horizontally arranged, two groups of perforations corresponding to the U-shaped pin rod 22 are formed in the guide seat, the left and right sides of the U-shaped pin rod 22 penetrate into the two groups of perforations of the channel steel respectively, and the two ends of the U-shaped pin rod extend out of the rear side wall of the channel steel.

Under the operating condition, the hopper 2 and the rear wheel frame 12 can rotate upwards around the circular shaft 14, the U-shaped pin rod 22 is held by a hand to lift the hopper 2 upwards to dump the articles in the hopper, after the articles are dumped, the hopper 2 and the rear wheel frame 12 can rotate downwards around the circular shaft 14, after the end surfaces of the two ends of the U-shaped pin rod 22 are contacted with the frame 11, the frame 11 can drive the U-shaped pin rod 22 to move backwards, and after the two ends of the U-shaped pin rod 22 completely enter two pin holes of the frame 11, the reset spring 23 drives the end parts of the U-shaped pin rod 22 to penetrate into the frame 11, so that the hopper is fixedly connected with the frame 11, and the convenience of operation is improved.

Two pin holes corresponding to the end positions of the U-shaped pin rod 22 are formed in the front side of the frame 11, two return springs 23 are respectively sleeved on rod bodies on the left side and the right side of the U-shaped pin rod 22, limiting pins are arranged on the front side of the return springs 23 in a penetrating mode, and gaskets 24 are arranged between the limiting pins and the return springs 23 on the rear side. The return spring 23 is always in a compressed state, and two ends of the driving U-shaped pin rod 22 respectively penetrate into two pin holes of the frame 11, so that the hopper 2 is fixedly connected with the frame 11. When the unloading is needed, the U-shaped pin rod 22 is held by a hand to pull backwards, so that the two end parts of the U-shaped pin rod 22 move backwards to withdraw from the two pin holes of the frame 11, and after the separation of the hopper 2 and the frame 11 is realized, the hopper 2 is lifted upwards to pour out an object.

Two rear wheels 13 are symmetrically arranged on the left side and the right side of the rear wheel frame 12, a double-output shaft motor 3 is arranged on the rear wheel frame 12, and two output shafts of the double-output shaft motor drive the two rear wheels 13 to rotate respectively. Specifically, the double output shaft motor 3 is fixed at the lower part of the rear wheel frame 12, the wheel shafts of the two rear wheels 13 are coaxially and oppositely arranged and fixedly connected with the two output ends of the double output shaft motor 3 respectively, the two output ends of the double output shaft motor 3 drive the two rear wheels 13 to rotate through one half shaft respectively, and the two rear wheels 13 serve as driving wheels, so that the electric four-wheel dump truck walks on the road surface.

The left and right sides of the front end of the frame 11 are respectively provided with a front wheel 15, the two front wheels 15 are respectively connected with the frame 11 in a rotating way through an L-shaped rotating shaft 16, and the steering device 4 drives the L-shaped rotating shaft 16 to synchronously rotate. Specifically, the vertical portion of the L-shaped rotating shaft 16 is in a rotating fit with the frame 11, and the horizontal portion thereof is coaxially arranged with the opposite end portions. The two front wheels 15 are respectively mounted on the horizontal portions of the two L-shaped rotating shafts 16 through bearings, and the front wheels 15 function as driven wheels by rotation of the front wheels 15 relative to the horizontal portions of the L-shaped rotating shafts 16.

The steering device 4 is arranged at the front part of the frame 11, the steering device 4 comprises a bogie 41, two rocker arms 42 and a connecting rod 43, the two rocker arms 42 are arranged in parallel left and right, and the front end of each rocker arm 42 is fixedly connected with the vertical part of the L-shaped rotating shaft 16 at the same side.

Further, the connecting rod 43 is horizontally disposed between the two rocker arms 42, and its left and right ends are respectively rotatably connected to the rear ends of the two rocker arms 42. The middle part of the bogie 41 is rotatably connected with the frame 11, the rear end of the bogie 41 is rotatably connected with the middle part of the connecting rod 43, and the bogie 41 can drive the L-shaped rotating shaft 16 to swing around the vertical part of the bogie through the connecting rod 43 and the two rocker arms 42. The rocker arm 42, the connecting rod 43 and the frame 11 form a parallel four-bar mechanism, and the bogie 41 drives the rocker arm 42 to swing synchronously relative to the frame 11 and drives the horizontal part of the L-shaped rotating shaft 16 to swing back and forth relative to the vertical part of the L-shaped rotating shaft, so that synchronous swing of the two front wheels 15 is realized, and the electric four-wheel dump truck is turned.

The electric control unit is arranged at the bottom of the frame 11 and comprises an electric control box 6, a battery pack arranged in the electric control box 6 and a controller, wherein the battery pack supplies power to the double-output-shaft motor 3, the controller is communicated with a signal end of the double-output-shaft motor 3, and the controller controls the output end of the double-output-shaft motor 3 to rotate or stop through signals. Specifically, electric cabinet 6 is fixed in the bottom of frame 11 and is located the rear side of turning to device 4, is equipped with scram switch and communication port on the right side wall of electric cabinet 6, is provided with the power supply port on the back lateral wall thereof.

The steering mechanism 5 is connected to the front side of the steering device 4, the steering mechanism 5 includes a lever 51, a U-shaped plate 52, and a handle 53, one end of the lever 51 is hinged to the front end of the bogie 41 through a transverse shaft, the U-shaped plate 52 is fixed to the other end of the lever 51, and the handle 53 controls the angle of the bogie 41 through the lever 51. The handle 53 has a ring structure, one side of the handle is provided with a connecting frame 54 which is integrally formed with the handle, and the connecting frame 54 is adjustably connected with the U-shaped plate 52 in a plugging manner.

The handle 53 is provided with a mounting rod, a dial speed regulator 55 is fixed on the mounting rod, a dial accelerator is arranged on the dial speed regulator 55, and a signal end of the dial accelerator is in communication connection with the controller. The speed of the output end of the double-output shaft motor 3 is controlled by a finger throttle of the finger speed regulator 55 through signals, so that the speed of the electric four-wheel dump truck is regulated.

The parts not described in the utility model can be realized by adopting or referring to the prior art.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims

1. The electric four-wheel dump truck is characterized by comprising a frame, a rear wheel frame, a truck hopper, a double-output-shaft motor, a steering device, an operating mechanism and an electric control unit, wherein the rear wheel frame is positioned at the rear side of the frame, and the front end of the rear wheel frame is rotationally connected with the rear end of the frame;

the hopper is positioned above the frame, the bottom of the hopper is fixedly connected with the rear wheel frame, and the front side of the hopper is provided with a locking mechanism which is detachably connected with the frame;

two rear wheels are symmetrically arranged on the left side and the right side of the rear wheel frame, a motor with double output shafts is arranged on the rear wheel frame, and the two output shafts respectively drive the two rear wheels to rotate;

the left side and the right side of the front end of the frame are respectively provided with a front wheel, the steering device is arranged at the front part of the frame, the control mechanism is connected to the front side of the steering device, the two front wheels are respectively connected with the frame in a rotating way through an L-shaped rotating shaft, and the steering device drives the L-shaped rotating shaft to synchronously rotate;

2. An electric four-wheel dump truck according to claim 1, wherein the double output shaft motor is fixed at the lower part of the rear wheel frame, and the wheel shafts of the two rear wheels are coaxially and oppositely arranged and fixedly connected with the two output ends of the double output shaft motor respectively;

3. An electric four-wheel dump truck according to claim 1 or 2, wherein the locking mechanism comprises a guide seat, a U-shaped pin rod, a return spring and a limiting pin, the guide seat is fixed at the bottom of the front side of the truck hopper, the U-shaped pin rod is horizontally arranged, two ends of the U-shaped pin rod penetrate through the guide seat backwards and are in sliding fit with the guide seat, and the end surfaces of two ends of the U-shaped pin rod are inclined surfaces;

4. An electric four-wheeled dump truck according to claim 1, wherein the vertical portion of the L-shaped shaft is in running fit with the frame, the horizontal portion thereof being coaxially arranged and the end portions being opposite;

5. An electric four-wheel dump truck according to claim 1, wherein the steering device comprises a bogie, two rocker arms and a connecting rod, wherein the two rocker arms are arranged in parallel left and right, and the front end of each rocker arm is fixedly connected with the vertical part of the L-shaped rotating shaft on the same side;

the connecting rod is horizontally arranged between the two rocker arms, and the left end and the right end of the connecting rod are respectively connected with the rear ends of the two rocker arms in a rotating way;

6. The electric four-wheel dump truck according to claim 5, wherein the control mechanism comprises an operation rod, a U-shaped plate and a handle, one end of the operation rod is hinged with the front end of the bogie through a transverse shaft, and the U-shaped plate is fixed at the other end of the operation rod;

the handle is of an annular structure, one side of the handle is provided with a connecting frame which is integrated with the handle, and the connecting frame is adjustably connected with the U-shaped plate in a plugging manner;

7. An electric four-wheel dump truck according to claim 1, wherein the electric cabinet is fixed at the bottom of the frame, the right side wall of the electric cabinet is provided with an emergency stop switch and a communication port, and the rear side wall is provided with a power supply port.