Traction mechanism for transporting semitrailer

Abstract

The utility model relates to a traction mechanism for transporting a semitrailer, which belongs to the technical field of trailer traction buffering and comprises a trailer bottom plate, a buffering and damping mechanism is arranged on the front side of the trailer bottom plate, the buffering and damping mechanism comprises two sliding rails which are fixedly mounted on the front side of the trailer bottom plate, and pulleys are movably connected to the outer sides of the sliding rails. According to the traction mechanism for transporting the semitrailer, when the trailer stops normally, the trailer can collide and impact the inner wall of the bottom plate of the trailer, when a connecting plate collides with a buffer pad, the buffer pad is stressed and collapses, so that the impact force of the buffer pad on stopping is reduced to a certain degree, meanwhile, a buffer rod is stressed to drive a movable plate to move, and therefore the trailer can stop normally. And the buffer springs are compressed, so that the acting force of the buffer springs on impact is further reduced, the trailer can be prevented from directly impacting the inner wall of the trailer bottom plate body, damage caused by too large inertia is avoided, the safety of the device is greatly improved, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trailer traction buffer technical field, concretely is a kind of transport semi-trailer's traction mechanism. BACKGROUND

[0002] The trailer is a kind of vehicle without power device, which cannot independently travel by itself and needs to be towed by a towing vehicle or other power vehicle to move. The trailer is an important tool for highway freight transportation, which can carry a large amount of goods and adapt to the shape, nature and transportation requirements of various goods. It has a wide application in long-distance transportation, short-distance distribution, industrial logistics, agricultural transportation and other fields. For example, in the construction industry, self-unloading trailers are used to transport construction materials; in logistics distribution, van trailers are used to transport various goods to supermarkets, warehouses and other places.

[0003] Please refer to the publication number CN208648226U for a guide wheel mechanism for a semi-trailer. In this patent, it is proposed that "the guide wheel mechanism includes loading guide wheels, unloading guide wheels, a traction mechanism and a trailer floor. The loading guide wheels include left and right loading guide wheels, and the unloading guide wheels include left and right unloading guide wheels. Two traction grooves are formed on the upper surface of the trailer floor. The traction power device is used to pull the traction cable to realize the traction of goods onto the trailer or the unloading of the trailer. The traction power device has a small volume." However, the device is prone to side slipping due to derailment during use, and may encounter sudden stop situations and collisions when moving on a long slide rail. In this state, the impact force generated after stopping under the action of inertia is often large, which is harmful to the device. Therefore, another technical solution is proposed to solve this problem. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a traction mechanism for transporting a semi-trailer, which has the advantages of facilitating the buffering and shock absorption of the traction slide rail, and solves the problem that the prior art is prone to side slipping due to derailment during use, and may encounter sudden stop situations and collisions when moving on a long slide rail. In this state, the impact force generated after stopping under the action of inertia is often large, which is harmful to the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a traction mechanism for transporting a semi-trailer, comprising a trailer floor, a buffering and shock absorption mechanism is arranged on the front surface of the trailer floor;

[0006] The buffering and shock absorption mechanism comprises two slide rails fixedly installed on the front surface of the trailer floor, a pulley movably connected to the outer side of the slide rail, a connecting plate fixedly installed between the two pulleys, two installation boxes fixedly installed on the right inner wall of the trailer floor, and a buffer spring fixedly installed in the installation box.

[0007] The side of the buffer spring is fixedly installed with a movable plate, the top and bottom of the movable plate are fixedly installed with sliding blocks in sliding connection with the installation box, the side of the movable plate away from the buffer spring is fixedly installed with a buffer rod, and the side of the buffer rod away from the movable plate is fixedly installed with a bearing plate.

[0008] Further, the left side of the bearing plate is fixedly installed with a buffer pad, and the right side of the bearing plate is clamped with a damper fixedly connected with the trailer floor.

[0009] Further, the two installation boxes are symmetrically installed on the left inner wall of the trailer floor, and the two buffer rods are located on the two sides of the bearing plate.

[0010] Further, the two inner walls of the installation box are provided with limiting grooves, and the sliding blocks are in sliding connection with the installation box through the limiting grooves.

[0011] Further, the side of the installation box is provided with a movable groove, and the buffer rod is movably connected with the installation box through the movable groove.

[0012] Further, the side of the bearing plate is provided with a clamping groove, and the damper is fixedly connected with the bearing plate through the clamping groove.

[0013] Further, the buffer pad is made of a sponge layer and a rubber layer, and the buffer pad is bonded with the bearing plate.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The traction mechanism of the transport semitrailer has the buffer damping mechanism, when the trailer normally stops, the trailer collides with the inner wall of the trailer floor, when the connecting plate collides with the buffer pad, the buffer pad is collapsed under the force, so that the buffer pad reduces the impact force of the stop to a certain extent, the buffer rod is driven to move under the force, and the movable plate is compressed, so that the buffer spring further reduces the impact force, which helps to avoid the trailer directly impacting on the inner wall of the trailer floor body, avoids damage caused by too large inertia, greatly improves the safety of the device, helps to improve the practicality of the device, and facilitates more stable traction. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view schematic diagram of the utility model structure;

[0017] Figure 2 It is a top view schematic diagram of the utility model structure; Figure 1 It is an enlarged schematic diagram of A structure in the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the utility model structure.

[0019] In the figure: 1, trailer floor; 2, slide rail; 3, pulley; 4, connecting plate; 5, mounting box; 6, buffer spring; 7, movable plate; 8, sliding block; 9, buffer rod; 10, bearing plate; 11, buffer pad; 12, damper. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1 to 3 The traction mechanism of the transport semitrailer in the embodiment comprises a trailer floor 1, and a buffer damping mechanism is arranged on the front face of the trailer floor 1.

[0022] In the embodiment, the buffer damping mechanism comprises two slide rails 2 fixedly installed on the front face of the trailer floor 1, pulleys 3 movably connected to the outer sides of the slide rails 2, a connecting plate 4 fixedly installed between the two pulleys 3, two mounting boxes 5 fixedly installed on the right inner wall of the trailer floor 1, and buffer springs 6 fixedly installed in the mounting boxes 5.

[0023] The movable plate 7 is fixedly installed on one side of the buffer spring 6, and the sliding blocks 8 movably connected to the mounting boxes 5 are fixedly installed on the top and bottom of the movable plate 7. The limiting grooves are formed in the inner walls of the mounting boxes 5, and the sliding blocks 8 are movably connected to the mounting boxes 5 through the limiting grooves, which facilitates the sliding movement of the sliding blocks 8 in the mounting boxes 5.

[0024] In the embodiment, the buffer rod 9 is fixedly installed on the side of the movable plate 7 away from the buffer spring 6, the mounting box 5 is provided with a movable slot, the buffer rod 9 is movably connected to the mounting box 5 through the movable slot, which facilitates the movable movement of the buffer rod 9, the bearing plate 10 is fixedly installed on the side of the buffer rod 9 away from the movable plate 7, the two mounting boxes 5 are symmetrically installed on the left inner wall of the trailer floor 1, and the two buffer rods 9 are located on the two sides of the bearing plate 10, which facilitates the movable movement of the buffer rod 9.

[0025] The left side of the bearing plate 10 is fixedly provided with a buffer pad 11 made of a sponge layer and a rubber layer, the buffer pad 11 is bonded with the bearing plate 10, which helps the buffer pad 11 to stably buffer and damp, the right side of the bearing plate 10 is clamped with a damper 12 fixedly connected with the trailer floor 1, one side of the bearing plate 10 is provided with a clamping groove, the damper 12 is fixedly connected with the bearing plate 10 through the clamping groove, which facilitates effective fixing and helps to stably install and fix the damper 12.

[0026] It should be noted that the traction mechanism of the transport semi-trailer, through the setting of the buffer damping mechanism, when the trailer is normally parked, the trailer will collide with the inner wall of the trailer floor 1, when the connecting plate 4 collides with the buffer pad 11, the buffer pad 11 is collapsed under stress, so that the buffer pad 11 reduces the impact force of the parking to a certain extent, at the same time, the buffer rod 9 is stressed to drive the movable plate 7 to move and compress the buffer spring 6, so that the buffer spring 6 further reduces the impact force, which helps to avoid the trailer directly impacting on the inner wall of the main body of the trailer floor 1, avoids damage caused by too much inertia, greatly improves the safety of the device, and helps to improve the practicality of the device, facilitating more stable traction.

[0027] The working principle of the above embodiment is:

[0028] The traction mechanism of the transport semi-trailer, when in use, can first use the pulley 3 to drive the trailer to move, during normal use, when the trailer and the pulley 3 and the connecting plate 4 are moved and stopped, they will generally stop at the two end points of the trailer floor 1, during parking, the trailer will collide with the inner wall of the trailer floor 1, when the connecting plate 4 collides with the buffer pad 11, the buffer pad 11 is collapsed under stress, so that the buffer pad 11 reduces the impact force of the parking to a certain extent, when the buffer pad 11 and the bearing plate 10 are vibrated and moved under stress, the bearing plate 10 is moved under stress to drive the buffer rod 9, the buffer rod 9 is stressed to drive the movable plate 7 to move and compress the buffer spring 6, so that the buffer spring 6 further reduces the impact force, which helps to avoid the trailer directly impacting on the inner wall of the main body of the trailer floor 1, avoids damage caused by too much inertia, greatly improves the safety and stability of the device.

[0029] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0030] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A towing mechanism for a transport semi-trailer comprising a trailer floor (1), characterised in that: The front of the trailer floor (1) is provided with a buffer damping mechanism; The buffer damping mechanism comprises two slide rails (2) fixedly installed on the front of the trailer floor (1), the outer sides of the slide rails (2) are movably connected with pulleys (3), two connecting plates (4) are fixedly installed between the two pulleys (3), two installation boxes (5) are fixedly installed on the right inner wall of the trailer floor (1), and buffer springs (6) are fixedly installed in the installation boxes (5). One side of the buffer spring (6) is fixedly installed with an activity plate (7), the top and bottom of the activity plate (7) are fixedly installed with sliding blocks (8) slidably connected with the installation boxes (5), the side of the activity plate (7) away from the buffer spring (6) is fixedly installed with a buffer rod (9), and the side of the buffer rod (9) away from the activity plate (7) is fixedly installed with a bearing plate (10).

2. A towing mechanism for a transport semi-trailer as claimed in claim 1, characterised in that: The left side of the bearing plate (10) is fixedly installed with a buffer pad (11), and the right side of the bearing plate (10) is connected with a damper (12) fixedly connected with the trailer floor (1).

3. A towing mechanism for a transport semi-trailer as claimed in claim 1, characterised in that: The two installation boxes (5) are symmetrically installed on the left inner wall of the trailer floor (1), and the two buffer rods (9) are located on the two sides of the bearing plate (10).

4. A towing mechanism for a transport semi-trailer according to claim 1, characterised in that: The two sides of the inner wall of the installation box (5) are provided with limiting grooves, and the sliding block (8) is slidably connected with the installation box (5) through the limiting grooves.

5. A towing mechanism for a transport semi-trailer as claimed in claim 1, characterised in that: One side of the installation box (5) is provided with a movable slot, and the buffer rod (9) is movably connected with the installation box (5) through the movable slot.

6. A towing mechanism for a transport semi-trailer as claimed in claim 2, characterised in that: One side of the bearing plate (10) is provided with a clamping groove, and the damper (12) is fixedly connected with the bearing plate (10) through the clamping groove.

7. A towing mechanism for a transportable semi-trailer as claimed in claim 2 wherein: The buffer pad (11) is made of a sponge layer and a rubber layer, and the buffer pad (11) is bonded with the bearing plate (10).

Images