WO2019085946A1

WO2019085946A1 - Explosion proof electric towing vehicle having mounting function

Info

Publication number: WO2019085946A1
Application number: PCT/CN2018/113050
Authority: WO
Inventors: 张伟
Original assignee: 深圳市德塔防爆电动汽车有限公司
Priority date: 2017-11-03
Filing date: 2018-10-31
Publication date: 2019-05-09
Also published as: CN107757736A

Abstract

An explosion proof electric towing vehicle having a mounting function comprises a vehicle frame (100), an electric travel system, an explosion proof battery power system (300), and a mechanical mounting system provided at a rear end of the vehicle frame (100). The mechanical mounting system comprises a supporting structure (430), a semi-trailer mounting structure (410) provided at a first side of the supporting structure (430) and a full-trailer mounting structure (420) provided at a second side of the supporting structure (430).

Description

Explosion-proof electric tractor with hooking function

[0001] The present invention relates to an electric vehicle, and more particularly to an explosion-proof electric tractor with a hooking function.

[0002] Currently, in an explosive atmosphere environment, such as a mine environment, a transported article is usually a mine articulated vehicle. A mine articulated vehicle typically includes a drive portion and a load carrying portion that are connected by a hinged disk. Although the mine articulated car is usually able to adapt to the rugged road surface and can smoothly unload items. However, since the driving portion and the load portion are connected by the hinged disc, the turning is inflexible, and the hinged disc is easily subjected to force wear or contamination by the environmental gas to shorten the life. In addition, due to the large differences in different mines, mine articulated vehicles are difficult to adapt to the different volume requirements of different mines.

technical problem

The technical problem to be solved by the present invention is to provide an explosion-proof electric tractor with a hooking function in view of the above-mentioned drawbacks of the prior art.

[0004] The technical solution adopted by the present invention to solve the technical problem is: constructing an explosion-proof electric tractor with a hook function, including a frame, an electric walking system, an explosion-proof battery power system, and a machine disposed at the rear end of the frame In the hooking system, the mechanical hooking system includes a support structure and a semi-mounted hitch structure disposed on a first side of the support structure and a full-hanging hitch structure disposed on a second side of the support structure.

[0005] In the explosion-proof electric tractor with the hook function according to the present invention, the electric running system includes a front wheel and a rear wheel, and the support structure includes a plurality of support plates disposed around the rear wheel. The semi-mounted mounting structure is a saddle mounting structure disposed on a horizontal support plate, and the full-hanging hanging structure is a horn-type hanging structure disposed on a vertical supporting plate.

[0006] In the explosion-proof electric tractor with the hook function according to the present invention, the saddle hook structure includes a saddle having a V-shaped groove at the center and a hooking structure disposed under the saddle, the saddle A V-shaped groove on the seat forms a saddle wing symmetrically with the V-shaped groove on the saddle, the saddle wing being bent downward. [0007] In the explosion-proof electric tractor with the hook function according to the present invention, the hook structure includes a support base, and the block connected to the support shaft is movable and locked in a direction perpendicular to the hooking direction. a push rod, the side of the push rod being offset from the outer side of the block.

[0008] In the explosion-proof electric tractor with the hook function according to the present invention, a strip hole is formed on the push rod in a direction perpendicular to the hook, and a guide post is disposed on the support base. The guide post is located in the strip-shaped hole, a spring is disposed between the end of the strip-shaped hole and the guide post, the push rod end is provided with a handle, and the side is provided with a card slot.

[0009] In the explosion-proof electric tractor with the hook function according to the present invention, the horn type hanging structure includes a horn-like accommodating cavity and a mounting substrate on which the horn-shaped accommodating cavity is mounted, and the horn-shaped accommodating body A hook is provided in the cavity.

[0010] In the explosion-proof electric tractor with the hooking function according to the present invention, the hooking portion includes a mounting base for mounting to the flared receiving cavity, and a hooking body connected to the mounting base. The hooking body includes a lower hook and an upper hook rotatably mounted to the hook body via a pivot shaft.

[0011] In the explosion-proof electric tractor with the hook function according to the present invention, the electric travel system further includes: a motor driving device electrically connected to the explosion-proof battery power system, driven by the transmission shaft and the motor An axle gear reduction device electrically connected to the device, and a gear shaft mechanically coupled to the front wheel and the rear wheel.

[0012] In the explosion-proof electric tractor with the hook function according to the present invention, further comprising an integrated parking brake system disposed on the frame, the integrated parking system includes A drive motor electrically connected to an explosion-proof battery power system, a hydraulic pump driven by the drive motor, fluidly connecting a hub actuator of the hydraulic pump through a hydraulic pipe.

[0013] In the explosion-proof electric tractor with the hook function according to the present invention, the hydraulic steering system, the electronically controlled speed control system and the shock absorption system are further included.

Problem solution

Advantageous effects of the invention

Beneficial effect

[0014] The explosion-proof electric tractor that implements the hooking function of the present invention replaces the hinged disk by providing a semi-mounted hook structure and a full-hanging hook structure on the support structure, which not only has flexible turning, but also reduces maintenance and repair. Damage The bad cost can also adapt to different hooking requirements and is suitable for different mine operations. By adopting the saddle mounting structure and/or the horn mounting structure of the setting structure, the semi-mounted or full-hook mounting of the trailer can be realized simply and conveniently, and further, the above control system can be used with high efficiency. The explosion-proof electric tractor is controlled with high performance.

Brief description of the drawing

DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of an explosion-proof electric tractor with a hooking function according to a first embodiment of the present invention; [0017] FIG. 2 is a hook of an explosion-proof electric tractor with a hooking function shown in FIG. A schematic structural view of a preferred embodiment of the structure;

3 is a schematic structural view of a preferred embodiment of a hooking portion of the explosion-proof electric tractor with a hooking function shown in FIG. 1;

4 is a schematic diagram showing the principle of the control system of the explosion-proof electric tractor with the hook function shown in FIG. 1.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

1 is a schematic structural view of an explosion-proof electric tractor with a hooking function according to a first embodiment of the present invention.

As shown in FIG. 1, the explosion-proof electric tractor with the hook function of the present invention includes a frame 100, an electric walk system, an explosion-proof battery power system 300, and a mechanical hooking system disposed at the rear end of the frame 100. As shown in FIG. 1, the mechanical hooking system includes a support structure 430 and a semi-trailer mounting structure 410 disposed on a first side of the support structure 430 and a full side disposed on a second side of the support structure 430. Hanging hook structure 4 20.

[0022] In the present embodiment, the frame, the electric walking system, and the explosion-proof battery power system 300 may employ any frame, electric walking system, and explosion-proof battery power system known in the art. In the embodiment of the present invention, the support structure 430 may be any support plate, support frame, etc. disposed on the frame 100, and the semi-mounted suspension structure 410 may be any hook that can be used for a semi-trailer. Structure, such as hook hooks, hanging Chain and so on. Similarly, the all-hanging hook structure 420 can also be any hook structure that can be used for a full trailer, such as a hook hook, a hook chain, and the like.

[0023] The explosion-proof electric tractor that implements the hooking function of the present invention replaces the hinged disk by providing a semi-mounted hook structure and a full-hanging hook structure on the support structure, which not only has flexible turning, but also reduces maintenance and repair. Damage costs, can also adapt to different hung needs, suitable for different mine operations.

[0024] The explosion-proof electric tractor with the hooking function embodying the invention can realize the push-forward and the back-pull pure traction function through the semi-mounted hanging structure and the full-hanging hanging structure, and can be used for emergency rescue and stalling vehicles. The semi-suspended hook structure can quickly hook the bow pin through the traction pin of the trailer to realize the 5T or 10T self-unloading semi-trailer traction; and the full-hanging hook structure can realize the full-hanging trailer.

[0025] In the preferred embodiment illustrated in FIG. 1, the electric walk system includes a front wheel and a rear wheel 210. The support structure 430 includes a plurality of support plates disposed about the rear wheel 210. The plurality of support plates may be five rectangular support plates that are angularly connected to each other to form a nearly circular arch around the rear wheel 210, wherein the third support plate is horizontally disposed and the fifth support plate is vertically disposed. The semi-mounted mounting structure 410 is a saddle mounting structure disposed on a horizontal supporting plate, and the full-hanging mounting structure 420 is a horn-type hanging structure disposed on the vertical supporting plate.

In the present embodiment, the saddle attachment structure includes a saddle 411 that opens a V-shaped groove 412 in the longitudinal direction thereof, and a hooking structure 414 disposed below the saddle 411. A V-shaped groove 412 on the saddle 411 forms a saddle wing 413 symmetrically with the V-shaped groove 412 on the saddle 41 1 , and the saddle wing 413 is bent downward. In the embodiment shown in Fig. 1, the central portion of the saddle 411 also has a rectangular groove 419 formed in the horizontal direction. An annular stop block 415 is disposed at the top of the V-shaped groove 412. The annular stop block 415 is disposed at a central position of the rectangular groove 419. In the present embodiment, the hooking structure 414 is a hooking groove provided below the saddle 411. The hooking shaft of the trailer is inserted into the hooking groove through the V-shaped groove 412. Of course, in other preferred embodiments of the present invention, the saddle 411 and the hooking structure 414 may also adopt other implementations. In the above preferred embodiment of the present invention, by adopting the saddle mounting structure of the setting structure, the semi-mounted mounting of the trailer can be realized simply and conveniently, and the weight of the saddle mounting structure of the structure is light, which is advantageous. Energy saving.

2 is a schematic structural view of a preferred embodiment of the hooking structure of the explosion-proof electric tractor with the hooking function shown in FIG. 1. As shown in FIG. 2, the hooking structure includes a support base 41, a block 43 and a push rod 44. The block 43 is coupled to the support base 41 via a rotating shaft 42. The push rod 44 is movable and locked in a direction perpendicular to the hooking direction. Push The side of the rod ₄₄ can abut the outer side of the block ₄₃ . In this embodiment, when the trailer is to be attached, the push rod 44 is directly pulled out, and the side surface of the push rod 44 is separated from the side surface of the block 43. The block 43 is rotated by an angle, and the opening thereof is substantially coincident with the V-shaped groove ₄₁₂ . At this time, the explosion-proof electric tractor retreats until the pin of the trailer is engaged in the above-mentioned block 43 through the V-shaped groove 412 in the middle of the saddle. Under the action of the pin impact force, the block 43 is reset, and then pushed in. The rod 44 is such that the side surface of the push rod 44 is again pressed against the outer side surface of the block 43.

[0028] In the preferred embodiment shown in FIG. 2, a strip hole 4 is formed in the push rod 44 in a direction perpendicular to the hook, and a guide post 48 is disposed on the support base 41. The guide post 48 is located within the strip hole 49. The push rod ₄₄ is provided with a handle ₄₆ at the end and a card slot 45 at the side, so that when the push rod 44 is pulled out, the push rod 44 can be locked by engaging the card slot 4 5 on the support base 41. Carry out the next step of the hook operation. A spring 47 is disposed between the inside of the end of the strip hole 49 and the guide post 48, and the spring 47 has the function of automatically resetting the push rod, so that when the push rod 44 is manually pulled out, the trailer is hooked up. The push rod 44 can be directly released, and the push rod 44 automatically resets the side surface against the outer side surface of the block ₄₃ under the action of the spring ₄₇ , which is convenient to operate.

In the present embodiment, the horn-type hanging structure includes a horn-shaped accommodating cavity 421 and a mounting substrate 423 on which the horn-shaped accommodating cavity 421 is mounted. A hook portion 422 is disposed in the horn-shaped accommodating chamber 421. In the embodiment, two mounting rectangular windows 424 are formed on the mounting substrate 423 with respect to the horn-shaped receiving cavity 421. In the present embodiment, the hooking portion 422 includes a body in which a circular through hole is provided. Of course, in other preferred embodiments of the present invention, the hooking portion 422 can also adopt other implementations. In the above preferred embodiment of the present invention, by adopting the horn-type hanging structure of the setting structure, the full-hanging hooking of the trailer can be realized simply and conveniently, and the horn-type hanging structure of the structure is light in weight, which is advantageous for saving energy.

3 is a schematic view showing the configuration of a preferred embodiment of the hooking portion of the explosion-proof electric tractor with the hooking function shown in FIG. 1. As shown in Fig. 3, the hooking portion includes a mounting base 20 for mounting to the flared receiving cavity, and a hooking body 30 coupled to the mounting base 20. As shown in Fig. 3, the hooking body 30 includes a lower hook 33 and an upper hook 31 rotatably mounted to the hooking body 33 via a pivot shaft 32. Since the lower hook 33 can be rotated relative to the upper hook 31, it is easy to open and close, thereby facilitating the hooking of the trailer.

4 is a schematic diagram showing the principle of the control system of the explosion-proof electric tractor with the hook function shown in FIG. 1. As shown in FIG. ₄ , the control system of the explosion-proof electric tractor with the hook function of the present invention includes an electric walking system 200, an explosion-proof battery power system 300, an integrated integrated braking system 500, a hydraulic steering system 600, and an electronically controlled adjustment. Speed system 700. [0032] In a preferred embodiment of the present invention, the electric walking system includes: a front wheel, a rear wheel, and a motor driving device electrically connected to the explosion-proof battery power system 300, and is electrically connected to the motor driving device via a transmission shaft. An axle gear reduction device, and a gear shaft mechanically coupled to the front wheel and the rear wheel 210. During the driving process, the explosion-proof battery power system 300 outputs electric energy, and the electric energy is converted into a power output through a motor driving device electrically connected with the explosion-proof battery power system 300, and the power is transmitted to the axle gear reduction system through the transmission shaft, and transmitted through the built-in gear shaft of the axle. Drive to the front and rear wheels.

[0033] In a preferred embodiment of the invention, the integrated parking brake system includes a drive motor electrically coupled to the explosion-proof battery power system 300, a hydraulic pump driven by the drive motor, through a hydraulic conduit A hub actuator fluidly coupled to the hydraulic pump. The electric motor provided by the explosion-proof battery power system 300 supplies the driving motor electrically connected to the explosion-proof battery power system 300, the hydraulic pump driven by the driving motor, and then converts the electric energy into hydraulic power, and the hydraulic power is transmitted to the hub brake through the hydraulic pipe. Achieve driving and parking brake functions.

[0034] In a preferred embodiment of the invention, the hydraulic steering system includes a steering wheel and a hydraulic steering device, and the steering wheel is operated by the driver, and the front axle steering of the frame is controlled by the hydraulic steering device to realize the steering steering control.

In a preferred embodiment of the invention, the electronically controlled speed control system is electrically coupled to the drive motor to control the rotational speed of the drive motor and the motor torque output to control the travel speed.

[0036] In a preferred embodiment of the present invention, the damper system includes a damper leaf spring and a damper cylinder disposed on the electric walking system for absorbing and attenuating the bounce caused by uneven road surface during driving The energy produced.

An explosion-proof electric tractor that implements the hooking function of the present invention is capable of controlling the explosion-proof electric tractor with high efficiency and high performance through the above-described control system.

[0038] Also, although the disclosure has been shown and described with respect to the embodiments, The present disclosure includes all such modifications and variations, and is only limited by the scope of the appended claims. With particular regard to the various functions by the above-described apparatus or device line, the terms used to describe such a device or device are intended to correspond to any of the specified functions (e.g., functionally equivalent) of performing the device or device. Apparatus or device (unless otherwise indicated), even in construction and execution of an exemplary implementation of the present disclosure as illustrated herein The public structure of the functionality is not identical. Moreover, although certain features of the present disclosure have been disclosed with respect to only one of several implementations, such features may be combined with one or more other implementations as may be desired and advantageous for a given or particular application. Other feature combinations.

Claims

Claim

[Expected 1] An explosion-proof electric tractor with a hooking function, comprising: a frame, an electric walking system, an explosion-proof battery power system, and a mechanical hooking system disposed at a rear end of the frame, the mechanical hanging The docking system includes a support structure and a semi-mounted hitch structure disposed on a first side of the support structure and a full-hanging hitch structure disposed on a second side of the support structure.

[Claim 2] The explosion-proof electric tractor with a hook function according to claim 1, wherein

The electric walking system includes a front wheel and a rear wheel, the support structure includes a plurality of support plates disposed around the rear wheel, and the semi-mounted hanging structure is a saddle mount provided on the horizontal support plate The structure, and the full-hanging hook structure is a horn-type hook structure disposed on a vertical support plate.

[Claim 3] The explosion-proof electric tractor with a hook function according to claim 2, characterized in that

The saddle hook structure includes a saddle having a central V-shaped groove and a hooking structure disposed under the saddle, and the V-shaped groove on the saddle is formed on the saddle with the V-shaped groove A symmetrical saddle flap that is bent downward.

[Claim 4] The explosion-proof electric tractor with the hook function according to claim 3, characterized in that

The hanging structure includes a support base, a block connected to the support shaft, and a push rod movable and locked in a direction perpendicular to the hooking direction, and the side of the push rod can be opposite to the outer side of the block .

[Claim 5] The explosion-proof electric tractor with a hook function according to claim 4, characterized in that

a strip hole is formed on the push rod in a direction perpendicular to the hook, and a guide post is disposed on the support base, the guide post is located in the strip hole, and the end of the strip hole A spring is disposed between the inside of the portion and the guide post, the push rod end is provided with a handle, and the side is provided with a card slot.

[Claim 6] The explosion-proof electric tractor with a hook function according to claim 2, characterized in that

The horn-type hanging structure includes a horn-like accommodating cavity and a mounting substrate on which the horn-shaped accommodating cavity is mounted, and the horn-shaped accommodating cavity is provided with a hooking portion.

[Claim 7] The explosion-proof electric tractor with a hook function according to claim 6, wherein

The hooking portion includes a mounting base for mounting to the flared receiving cavity, and a hooking body coupled to the mounting base, the hooking body including a lower hook and a pivotable shaft An upper hook that is rotatably mounted to the hook body.

[Claim 8] The explosion-proof electric tractor with a hooking function according to any one of claims 1 to 7, wherein the electric walking system further comprises: electrically connected to the explosion-proof battery power system a motor drive device, an axle gear reduction device electrically connected to the motor drive device via a drive shaft, and a gear shaft mechanically coupled to the front wheel and the rear wheel.

[Claim 9] The explosion-proof electric tractor with a hooking function according to any one of claims 1 to 7, further comprising an integrated parking brake system disposed on the frame, The park-integrated brake system includes a drive motor electrically coupled to the explosion-proof battery power system, and a hydraulic pump driven by the drive motor fluidly connects a hub actuator of the hydraulic pump through a hydraulic conduit.

[Claim 10] The explosion-proof electric tractor with a hooking function according to any one of claims 1 to 7, further comprising a hydraulic steering system, an electronically controlled speed control system, and a damping system.