CN214775241U

CN214775241U - Safety tractor for electric trailer

Info

Publication number: CN214775241U
Application number: CN202120864114.6U
Authority: CN
Inventors: 李煊成; 李风雷; 邱海峰; 李瑞壮
Original assignee: Jiangsu Anli Electromobile Co ltd
Current assignee: Jiangsu Anli Electromobile Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-19
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a safe tractor that electronic trailer was used, including last frame, chassis and buffer gear, the frame is connected to buffer gear one end, and other end movable mounting is in the chassis. This safe tractor that electronic trailer was used, when electronic trailer emergency braking, the last carriage that bears the weight of goods can be along with inertia right displacement, drive and remove a bucket right displacement, the piston rod is along with removing the piece together right displacement simultaneously, right displacement can compression spring, it produces elastic potential energy simultaneously hungry to offset inertia, when elastic potential energy release, remove the piece left displacement, but the pneumatic valve of being connected with the piston rod can control the translation rate of piston rod in hydraulic cylinder, accomplish damping function, prevent that the goods from dropping damage and protection personnel safety.

Description

Safety tractor for electric trailer

Technical Field

The utility model belongs to the technical field of the tractor, especially, relate to a safe tractor that electronic trailer was used.

Background

At present, domestic workshop is the large tracts of land formula of individual layer mostly, goes on through electric trailer mostly when the great goods of transportation weight, places the goods on the tractor usually, carries out the traction drive by electric trailer, under the condition that meets emergency stop, the goods can not only make the goods damage that drops because of inertia displacement forward, still can cause personnel's injury. There is therefore a need for a solution to the above problems.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a safety tractor for electric tractors, which has a simple structure, can effectively offset inertia and can automatically reset.

In order to achieve the above object, the utility model provides a safe tractor that electronic trailer used, a serial communication port, including last frame, chassis and buffer gear, the frame is connected to buffer gear one end, and other end movable mounting is in the chassis, and when the striking takes place, buffer gear drives the frame and moves forward and slows down, and the frame slowly gets back to initial position when reaction force production formula buffer gear drives.

In one example, the buffer mechanism comprises a spring, a hydraulic oil cylinder, a moving piece, a piston rod and an air valve, wherein the spring is horizontally arranged on one side in the bottom frame, the hydraulic oil cylinder is horizontally arranged on the other side in the bottom frame, the moving piece is inserted into the bottom frame, the top of the moving piece is connected with the upper frame, one side, facing the hydraulic oil cylinder, of the moving piece is connected with the piston rod, the piston rod is arranged in the hydraulic oil cylinder, the other side of the piston rod is connected with the air valve, and the other end of the moving piece is connected with the spring.

In one example, a slide way is arranged on the upper end face of the bottom frame, and the moving piece is inserted into the bottom frame through the slide way.

In one example, the lower end face of the underframe is connected with a universal wheel.

In one example, the side of the chassis adjacent the spring is coupled to a fifth wheel.

In one example, the upper frame upper end face is connected with a baffle.

Through the utility model provides a safe tractor that electronic trailer used can bring following beneficial effect: when electric trailer emergency braking, the last frame that bears the weight of goods can be along with inertia right displacement, drive and remove a barrel of displacement right, the piston rod is along with removing the piece together displacement right simultaneously, displacement right can compression spring, produce elastic potential energy when offsetting inertia, when elastic potential energy release, remove the piece displacement left, but the pneumatic valve of being connected with the piston rod can control the translation rate of piston rod in hydraulic cylinder, accomplish damping function, prevent that the goods from dropping damage and protection personnel safety.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic side view of a safety tractor for an electric trailer according to the present invention;

fig. 2 is a schematic top view of the safety tractor for electric trailer according to the present invention;

fig. 3 is a schematic structural view of a moving plate of a safety tractor for an electric trailer according to the present invention;

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1-3, the embodiment of the utility model provides a safe tractor that electronic trailer was used, it includes frame 1, chassis 2 and buffer gear 3, frame 1 is connected to buffer gear 3 one end, and other end movable mounting is in chassis 2, and when the striking takes place, buffer gear 3 drives frame 1 forward movement and slows down, and frame 1 slowly gets back to initial position when reaction force production formula buffer gear 3 drives.

Specifically, the buffer mechanism 3 comprises a spring 31, a hydraulic oil cylinder 32, a moving plate 33, a piston rod 34 and an air valve 35, wherein the spring 31 is horizontally arranged on one side in the base frame 2, the hydraulic oil cylinder 32 is horizontally arranged on the other side in the base frame 2, the moving plate 33 is inserted in the base frame 2, the top of the moving plate 33 is connected with the upper frame 1, one side, facing the hydraulic oil cylinder 32, of the moving plate 33 is connected with the piston rod 34, the piston rod 34 is arranged in the hydraulic oil cylinder 32, the other side of the piston 34 is connected with the air valve 35, and the other end of the moving plate 33 is connected with the spring 31.

Specifically, a slide rail 21 is arranged on the upper end surface of the bottom frame 2, and the moving piece 33 penetrates through the slide rail 21 and is inserted into the bottom frame 2.

Specifically, the lower end face of the underframe 2 is connected with a universal wheel 4.

In particular, the side of the chassis 2 close to the spring 31 is connected to the fifth wheel 5.

Specifically, the upper end surface of the upper frame 1 is connected with a baffle 6.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The safety tractor for the electric trailer is characterized by comprising an upper frame, a bottom frame and a buffer mechanism, wherein one end of the buffer mechanism is connected with the upper frame, the other end of the buffer mechanism is movably installed in the bottom frame, when collision occurs, the buffer mechanism drives the upper frame to move forwards to decelerate, and when a reaction force is generated, the buffer mechanism drives the upper frame to slowly return to an initial position.

2. The safety tractor of claim 1, wherein the buffer mechanism comprises a spring, a hydraulic cylinder, a moving plate, a piston rod and an air valve, the spring is horizontally arranged on one side in the chassis, the hydraulic cylinder is horizontally arranged on the other side in the chassis, the moving plate is inserted in the chassis, the top of the moving plate is connected with the upper frame, the moving plate is connected with the piston rod on one side facing the hydraulic cylinder, the piston rod is arranged in the hydraulic cylinder, the other side of the piston rod is connected with the air valve, and the other end of the moving plate is connected with the spring.

3. The safety tractor for the electric trailer according to claim 2, wherein a slide way is arranged on the upper end surface of the bottom frame, and the moving piece is inserted into the bottom frame through the slide way.

4. The safety tractor for the electric trailer according to claim 1, wherein the lower end surface of the underframe is connected with universal wheels.

5. The safety tractor of claim 1, wherein a side of the undercarriage adjacent the spring is coupled to the fifth wheel.

6. The safety tractor for electric trailers of claim 1, wherein the upper frame is connected to the fender.