Wear-resistant semitrailer traction seat

Abstract

The utility model discloses a wear-resistant semitrailer traction seat which comprises a top plate, a wear-resistant plate is arranged at one end of the top plate, a base is arranged at the other end of the top plate, a plurality of sets of connecting bolts are arranged at the edge of one end of the wear-resistant plate, a plurality of sets of grooves are symmetrically formed in the two sides of one end of the top plate, and a communicating groove is formed between every two sets of grooves. A liquid storage bin is arranged in the wear-resisting plate; under the cooperation of the communicating groove, the groove, the liquid storage bin, the ball connecting groove and the ball, oil can be injected to the surface of the traction seat in the using process, the lubricating effect is achieved in the friction process, damage caused by friction is reduced, and the friction force is reduced in the vehicle running process. The rolling ball can be driven to roll through the moving force of the traction base, in the rolling process of the rolling ball, lubricating oil in the liquid storage bin can be brought to the outside, and then the continuous lubricating effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fifth wheels, in particular to a wear-resistant fifth wheel of a semitrailer. Background Art

[0002] The fifth wheel is a load-bearing component used by a cargo tractor to tow a semi-trailer. It is a chassis component that has the function of engaging and locking with the semi-trailer's towing pin through a locking mechanism, and can transmit horizontal and vertical forces between the semi-trailer tractor and the semi-trailer.

[0003] The existing authorization publication number is "CN208036290U" for a wear-resistant semi-trailer traction seat, which includes a saddle, and the upper surface of the saddle is also provided with an anti-wear layer, and the anti-wear layer includes two wear-resistant plates symmetrically arranged on the upper surface of the saddle, the saddle is provided with a plurality of threaded through holes, and the wear-resistant plates are provided with a plurality of stepped through holes, and the stepped through holes are connected with countersunk screws to fix the wear-resistant plates to the upper surface of the saddle. The utility model avoids direct contact between the saddle of the traction seat and the lower surface of the special rail car by arranging a detachable wear-resistant plate between the two. Since the wear-resistant plate is detachable, it can be replaced when the wear-resistant plate is severely worn, thereby extending the service life of the traction seat. The two are connected by countersunk screws, and the upper end surface of the screw is lower than the upper surface of the wear-resistant plate, which can prevent friction between the upper end surface of the screw and the lower surface of the special rail car.

[0004] However, during the use of the device, it is basically in direct contact with the lower surface of the vehicle, and the friction coefficient is large. During long-term use, these traction seats cannot be used for a long time. Utility Model Content

[0005] The purpose of the utility model is to provide a wear-resistant semi-trailer fifth wheel to solve the existing problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant semi-trailer traction seat, comprising a top plate, a wear-resistant plate is provided at one end of the top plate, a base is provided at the other end of the top plate, multiple groups of connecting bolts are provided at the edge position of one end of the wear-resistant plate, multiple groups of grooves are symmetrically provided on both sides of one end of the top plate, a connecting groove is provided between the two groups of grooves, a liquid storage tank is provided inside the wear-resistant plate, ball connecting grooves are symmetrically provided on both sides of the bottom of the liquid storage tank, and balls are provided inside the ball connecting grooves.

[0007] Preferably, the ball connecting groove is made of an arc-shaped structure, the ball and the ball connecting groove are adapted to each other, and the ball is made of a rubber structure to prevent the ball from rotating excessively.

[0008] Preferably, a through groove is provided on the inner side of the groove, and the connecting grooves are connected to the through grooves, so that multiple groups of grooves can be connected.

[0009] Preferably, liquid holes are provided at the tops of both sides of one end of the wear-resistant plate, and the liquid holes are interconnected with the liquid storage tank, so as to facilitate the injection of lubricating oil into the interior of the liquid storage tank.

[0010] Preferably, a mounting groove is provided at one end of the top plate, and the wear-resistant plate is located inside the mounting groove, so as to facilitate calibration and fixation of the position of the wear-resistant plate.

[0011] Preferably, the groove is made of a semi-arc structure, so that the lubricating oil inside the groove can easily overflow to the outside.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the wear-resistant semi-trailer traction seat;

[0013] Through the cooperation of the connecting groove, the groove, the liquid storage tank, the ball connecting groove and the ball, the surface of the traction seat can be filled with oil during use, and then during the friction process, it can have a lubricating effect, thereby reducing the damage caused by friction, and in the process of vehicle driving, the ball can be driven to roll by the force of the movement of the traction seat. During the rolling of the ball, the lubricating oil inside the liquid storage tank can be brought to the outside, thereby achieving a continuous lubrication effect to improve the wear resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the utility model;

[0016] Figure 3 It is the front view of the utility model;

[0017] Figure 4 For the utility model Figure 2 Enlarged view of point A.

[0018] In the figure: 1. top plate; 2. base; 3. wear-resistant plate; 4. connecting groove; 5. groove; 6. liquid storage tank; 7. connecting bolt; 8. liquid hole; 9. ball connecting groove; 10. ball. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 The utility model provides an embodiment of a wear-resistant semi-trailer traction seat, including a top plate 1, a wear-resistant plate 3 is provided at one end of the top plate 1, a mounting groove is provided at one end of the top plate 1, the wear-resistant plate 3 is located inside the mounting groove, and the position of the wear-resistant plate 3 is conveniently calibrated and fixed, a base 2 is provided at the other end of the top plate 1, a plurality of connecting bolts 7 are provided at the edge position of one end of the wear-resistant plate 3, a plurality of grooves 5 are symmetrically provided on both sides of one end of the top plate 1, the grooves 5 are made of a semi-arc structure, so that the lubricating oil inside the grooves 5 can easily overflow to the outside, a connecting groove 4 is provided between the two groups of grooves 5, and the grooves 5 are provided with a plurality of connecting bolts 7. A through groove is provided on the inner side, and the connecting groove 4 is communicated with the through groove, so that multiple groups of grooves 5 can be connected. A liquid storage tank 6 is provided inside the wear-resistant plate 3, and liquid holes 8 are provided on the tops of both sides of one end of the wear-resistant plate 3. The liquid holes 8 are communicated with the liquid storage tank 6, so as to facilitate the injection of lubricating oil into the liquid storage tank 6. Ball connecting grooves 9 are symmetrically provided on both sides of the bottom of the liquid storage tank 6. Balls 10 are provided inside the ball connecting grooves 9. The ball connecting grooves 9 are made of an arc structure, and the balls 10 and the ball connecting grooves 9 are adapted to each other. The balls 10 are made of a rubber structure to prevent the balls 10 from rotating too many degrees.

[0021] Working principle: During use, first install the top plate 1 at the designated position, then place the wear-resistant plate 3 on the top of the top plate 1, and use the connecting bolts 7 to fix the wear-resistant plate 3 to the inside of the top plate 1. During the driving of the vehicle, the lubricating oil inside the groove 5 is applied to the surface of the wear-resistant plate 3 through the action of inertia and the vehicle connection position, and then the lubricating oil is used to reduce the impact of friction on the wear-resistant plate 3, and the force of the movement of the traction seat is used to drive the ball 10 to roll. During the rolling of the ball 10, the lubricating oil inside the liquid storage tank 6 can be brought to the outside, thereby achieving a continuous lubrication effect.

[0022] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0023] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A wear-resistant semitrailer fifth wheel, comprising a top plate (1), characterized in that: A wear-resistant plate (3) is provided at one end of the top plate (1), a base (2) is provided at the other end of the top plate (1), a plurality of groups of connecting bolts (7) are provided at the edge of one end of the wear-resistant plate (3), a plurality of groups of grooves (5) are symmetrically provided on both sides of one end of the top plate (1), a connecting groove (4) is provided between two groups of grooves (5), a liquid storage bin (6) is provided inside the wear-resistant plate (3), ball connecting grooves (9) are symmetrically provided on both sides of the bottom of the liquid storage bin (6), and balls (10) are provided inside the ball connecting grooves (9).

2. The wear-resistant semitrailer fifth wheel according to claim 1, characterized in that: The ball connecting groove (9) is made of an arc-shaped structure, the ball (10) and the ball connecting groove (9) are adapted to each other, and the ball (10) is made of a rubber structure.

3. The wear-resistant semitrailer fifth wheel according to claim 1, characterized in that: A through groove is provided on the inner side of the groove (5), and the communicating groove (4) is communicated with the through groove.

4. The wear-resistant semitrailer fifth wheel according to claim 1, characterized in that: Liquid through holes (8) are provided at the tops of both sides of one end of the wear-resistant plate (3), and the liquid through holes (8) are in communication with the liquid storage bin (6).

5. The wear-resistant semitrailer fifth wheel according to claim 1, characterized in that: A mounting groove is provided at one end of the top plate (1), and the wear-resistant plate (3) is located inside the mounting groove.

6. The wear-resistant semitrailer fifth wheel according to claim 1, characterized in that: The groove (5) is made of a semi-arc structure.

Images