A maintenance-free towing seat for a towing vehicle

Abstract

The utility model provides a kind of maintenance-free towing seat for towing vehicle, it is related to towing vehicle technical field, comprising: bottom plate, the top of the bottom plate is fixedly connected with three bases, three The base is located between the opposite sides of four groups of threaded holes, the surface of three The base is all provided with T type clamping groove, the bottom of three The T type clamping groove inner cavity is all fixedly installed with a group of damper. The utility model, the towing seat body is adjusted to pre-hung state, towing vehicle slowly drives into and is connected with trailer, at this time butter and roller one, roller two simultaneously auxiliary trailer sliding connection, when the bottom end of trailer exerts pressure on the top of towing seat body instantaneously, damper buffers the instantaneous pressure that limit board bears, before and after the jolt of trailer, at this time shaft auxiliary towing seat body is rotated and adjusted, at the same time, arc support seat average pressure is exerted on the two ends of three clamping plate, damper buffers the instantaneous pressure that limit board bears.

Description

Technical Field

[0001] This utility model relates to the field of tractor technology, and in particular to a maintenance-free traction seat for tractors. Background Technology

[0002] The towing seat is an important connecting device between the tractor and the trailer. The towing seat base is fixed to the corrugated saddle mounting plate on the upper part of the tractor frame. The trailer's skid plate front end is equipped with a towing pin, which is locked inside the towing seat by collision. When the tractor starts and moves, the motion is transmitted to the trailer through the towing seat, thus driving the trailer to move.

[0003] In existing technologies, the drawbar is usually only lubricated by applying grease. After repeated use of the trailer, it wears out significantly and is difficult to maintain. On the other hand, the trailer usually acts directly on the drawbar, which lacks a buffer structure and is subjected to severe pressure impacts.

[0004] To address this issue, a maintenance-free towing seat for tractor vehicles was proposed. Utility Model Content

[0005] The purpose of this invention is to solve the problems existing in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a maintenance-free traction seat for a tractor, comprising: a base plate, three bases fixedly connected to the top of the base plate, each of the three bases having a T-shaped slot on its surface, multiple dampers fixedly installed at the bottom of the inner cavity of each of the three T-shaped slots, springs movably sleeved on the surface of each of the multiple dampers, one end of each of the multiple springs being fixedly connected to the bottom of the inner cavity of each of the three T-shaped slots, a retaining plate movably embedded inside each of the three T-shaped slots, a limit plate fixedly connected to the bottom end of each of the three retaining plates, two arc-shaped support seats fixedly connected to the top of the three retaining plates, a rotating shaft being embedded between the opposite sides of the two arc-shaped support seats via a bearing, a traction seat body fixedly sleeved on the surface of the rotating shaft, two grooves I being formed on the top surface of the traction seat body, and a set of rollers I being rotatably installed inside each of the two grooves I.

[0007] In a preferred embodiment, the surface of the base plate is provided with four sets of threaded holes, and the three bases are respectively located between the opposite sides of the four sets of threaded holes.

[0008] In a preferred embodiment, the top of each of the three limiting plates is surrounded by anti-collision rubber strips, and the three limiting plates are respectively movably embedded inside the three T-shaped slots.

[0009] In a preferred embodiment, the other ends of the plurality of dampers and the plurality of springs are respectively fixedly connected to the bottom of the three limiting plates.

[0010] In a preferred embodiment, the two ends of the rotating shaft are respectively embedded through the surfaces of both ends of the traction seat body.

[0011] In a preferred embodiment, an adjusting screw is provided on one side of the traction seat body, and a pull rod is provided on the other side of the traction seat body.

[0012] In a preferred embodiment, two grooves are formed on the top surface of the traction seat body, and a set of rollers are rotatably installed inside each of the two grooves.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, grease is applied to the top surface of the towing seat body, the towing hook, the slide plate, and the towing pin. Then, the safety of the towing seat body is opened, the lever is pulled out, and the towing seat body is adjusted to the pre-coupling state. The center of the towing seat body is aligned with the center of the trailer's towing pin. The tractor slowly drives in and connects with the trailer. At this time, the grease, roller one, and roller two simultaneously assist the trailer in sliding connection. Finally, the connection between the trailer and the towing seat body is checked.

[0015] 2. In this utility model, when the tractor and trailer are connected, when the bottom of the trailer applies pressure to the top of the traction seat body, the damper buffers the instantaneous pressure on the limiting plate, reducing the impact force. When the tractor and trailer are moving and the trailer bounces back and forth, the rotating shaft assists the traction seat body to rotate and adjust. At the same time, the arc-shaped support seat applies pressure evenly to both ends of the three clamping plates, and the damper buffers the instantaneous pressure on the limiting plate. Through this setting, the instantaneous pressure applied by the trailer to the device is reduced, wear is reduced, and maintenance-free operation is achieved. Attached Figure Description

[0016] Figure 1 A three-dimensional structural schematic diagram of a maintenance-free towing seat for a tractor provided by this utility model;

[0017] Figure 2 A side view of a maintenance-free towing seat for a tractor provided by this utility model;

[0018] Figure 3 A schematic diagram of the base structure of a maintenance-free towing seat for a tractor provided by this utility model;

[0019] Figure 4 This utility model provides a schematic diagram of a card plate structure for a maintenance-free traction seat for a tractor.

[0020] Legend:

[0021] 1. Base plate; 101. Threaded hole; 102. Base; 103. T-shaped slot; 104. Damper; 2. Clamping plate; 201. Limiting plate; 202. Anti-collision strip; 3. Arc-shaped support seat; 4. Rotating shaft; 5. Traction seat body; 6. Adjusting screw; 7. Pull rod; 8. Groove one; 9. Roller one; 10. Groove two; 11. Roller two. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution: a maintenance-free traction seat for a tractor, comprising: a base plate 1, three bases 102 fixedly connected to the top of the base plate 1, T-shaped slots 103 formed on the surface of each of the three bases 102, multiple dampers 104 fixedly installed at the bottom of the inner cavity of each of the three T-shaped slots 103, springs movably sleeved on the surface of each of the multiple dampers 104, one end of each spring being fixedly connected to the bottom of the inner cavity of each of the three T-shaped slots 103, a retaining plate 2 movably embedded inside each of the three T-shaped slots 103, a limiting plate 201 fixedly connected to the bottom of each of the three retaining plates 2, two arc-shaped support seats 3 fixedly connected to the top of each of the three retaining plates 2, a rotating shaft 4 embedded between the opposite sides of the two arc-shaped support seats 3 via bearings, a traction seat body 5 fixedly sleeved on the surface of the rotating shaft 4, two grooves 8 formed on the top surface of the traction seat body 5, and a set of rollers 9 rotatably installed inside each of the two grooves 8.

[0024] Specifically: the base plate 1 and the clamping plate 2 are used to buffer the pressure applied from above, so as to avoid damage to the device caused by excessive instantaneous pressure release; the arc-shaped support 3 is used to apply pressure evenly to both ends of the three clamping plates 2; the bottom of both ends of the towing seat body 5 is in contact with the top of the two arc-shaped support 3; the towing seat body 5 is used for towing connection; the top of the surface of the roller 9 is slightly higher than the top surface of the towing seat body 5; the roller 9 is used to assist the sliding of the trailer.

[0025] In one embodiment, the surface of the base plate 1 is provided with four sets of threaded holes 101, and three bases 102 are respectively located between the opposite sides of the four sets of threaded holes 101.

[0026] Specifically: Threaded hole 101 is used for installing positioning and fixing bolts to connect and install the device with the tractor.

[0027] In one embodiment, the top of each of the three limiting plates 201 is surrounded by an anti-collision strip 202, and the three limiting plates 201 are respectively movably embedded inside the three T-shaped slots 103.

[0028] Specifically: the T-shaped slot 103 works with the limiting plate 201 to limit the movement of the card plate 2, and the anti-collision rubber strip 202 is used to buffer the top of the limiting plate 201 when the damper 104 returns to its original position, thereby reducing the impact force.

[0029] In one embodiment, the other ends of a plurality of dampers 104 and a plurality of springs are respectively fixedly connected to the bottom of three limiting plates 201.

[0030] Specifically: The damper 104 is used to buffer the instantaneous pressure on the limit plate 201 and reduce the impact force.

[0031] In one embodiment, the two ends of the rotating shaft 4 are respectively embedded in the surfaces of the two ends of the traction seat body 5.

[0032] Specifically: the rotating shaft 4 is used to limit and fix the towing seat body 5, and to assist the towing seat body 5 in rotational adjustment, so as to reduce the impact force on the device when the trailer vehicle bounces and tilts back and forth.

[0033] In one embodiment, an adjusting screw 6 is connected to one side of the traction seat body 5, and a pull rod 7 is connected to the other side of the traction seat body 5.

[0034] Specifically: Adjusting screw 6 is used to adjust the tow seat and trailer, so that the lever 7 can be pulled out when the trailer is disengaged. Lever 7 is used to adjust the tow seat body 5 to the pre-coupling state.

[0035] In one embodiment, two grooves 10 are formed on the top surface of the traction seat body 5, and a set of rollers 11 are rotatably installed inside each of the two grooves 10.

[0036] Specifically: the top of the surface of roller 2 11 is slightly higher than the top surface of the towing seat body 5, and roller 2 11 is used to assist the sliding of the trailer.

[0037] Working principle: When using the trailer towing connection, firstly, the base plate 1 is fixed to the slide plate of the corrugated saddle mounting plate of the tractor vehicle using the positioning bolts through the threaded hole 101. Then, grease is applied to the top surface of the towing seat body 5, the towing hook, the slide plate, and the towing pin. Next, the safety of the towing seat body 5 is released, the lever 7 is pulled out, and the towing seat body 5 is adjusted to the pre-attached state. The center of the towing seat body 5 is aligned with the center of the trailer's towing pin. The tractor vehicle slowly drives in to connect with the trailer. At this time, the grease, roller 1 9, and roller 2 11 simultaneously assist the trailer in sliding connection. Finally, the connection between the trailer and the towing seat body 5 is checked. This setting greatly reduces the friction between the trailer and the towing seat body 5 during connection, increases service life, and achieves maintenance-free operation.

[0038] When the tractor and trailer are connected, when the bottom of the trailer applies pressure to the top of the towing seat body 5, the damper 104 buffers the instantaneous pressure on the limiting plate 201, reducing the impact force. When the tractor and trailer are moving and the trailer is bumping, the shaft 4 assists the towing seat body 5 to rotate and adjust. At the same time, the arc-shaped support 3 applies pressure evenly to both ends of the three clamping plates 2, and the damper 104 buffers the instantaneous pressure on the limiting plate 201. Through this setting, the instantaneous pressure applied by the trailer to the device is reduced, wear is reduced, and maintenance-free operation is achieved.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A maintenance-free towing seat for a tractor, characterized in that, include: A base plate (1) has three bases (102) fixedly connected to its top. Each of the three bases (102) has a T-shaped slot (103) on its surface. Multiple dampers (104) are fixedly installed at the bottom of the inner cavity of each of the three T-shaped slots (103). Springs are movably fitted onto the surface of each of the multiple dampers (104). One end of each spring is fixedly connected to the bottom of the inner cavity of each of the three T-shaped slots (103). The interior of each of the three T-shaped slots (103) is movably fitted with... There are three card plates (2), and the bottom ends of the three card plates (2) are fixedly connected to limit plates (201). The top ends of the three card plates (2) are fixedly connected to two arc-shaped support seats (3). A rotating shaft (4) is installed between the opposite sides of the two arc-shaped support seats (3) through a bearing. A traction seat body (5) is fixedly sleeved on the surface of the rotating shaft (4). Two grooves (8) are opened on the top surface of the traction seat body (5). A set of rollers (9) is rotatably installed inside the two grooves (8).

2. The maintenance-free towing seat for a tractor according to claim 1, characterized in that: The base plate (1) has four sets of threaded holes (101) on its surface, and the three bases (102) are located between the opposite sides of the four sets of threaded holes (101).

3. The maintenance-free towing seat for a tractor according to claim 1, characterized in that: The top of each of the three limiting plates (201) is surrounded by anti-collision rubber strips (202), and the three limiting plates (201) are respectively movably embedded in the interior of the three T-shaped slots (103).

4. A maintenance-free towing seat for a tractor according to claim 3, characterized in that: The other ends of the multiple dampers (104) and multiple springs are respectively fixedly connected to the bottom of the three limiting plates (201).

5. A maintenance-free towing seat for a tractor according to claim 1, characterized in that: The two ends of the rotating shaft (4) are respectively embedded in the surfaces of the two ends of the traction seat body (5).

6. A maintenance-free towing seat for a tractor according to claim 5, characterized in that: An adjusting screw (6) is provided on one side of the traction seat body (5), and a pull rod (7) is provided on the other side of the traction seat body (5).

7. A maintenance-free towing seat for a tractor according to claim 6, characterized in that: Two grooves (10) are opened on the top surface of the traction seat body (5), and a set of rollers (11) are rotatably installed inside the two grooves (10).

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