Semitrailer traction connecting device

Abstract

The utility model relates to the field of traction connection devices, and discloses a semitrailer traction connection device which comprises a first installation plate, a second installation plate and an installation frame, the installation frame is arranged at the front end of the first installation plate, the second installation plate is arranged at the front end of the first installation plate, and four installation holes are formed in the front end of the first installation plate in a rectangular array mode. A rotating rod is rotationally connected to the middle of the front end of the first mounting plate, a limiting rod is fixedly connected to the middle of the rotating rod, one side of the rotating rod is sleeved with a first spring, a handle is fixedly connected to one end of the rotating rod, and the rear end of the mounting frame is fixedly connected with the middle of the front end of the first mounting plate; a fixing plate is fixedly connected to the rear end of the inner side wall of the mounting frame. According to the semitrailer traction connection device, the first installation plate is arranged, the pull ring is fixed through the limiting rod, meanwhile, the pull ring is rapidly installed through the sliding block and the limiting plate, and safety is effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of traction connection devices, in particular to a traction connection device for a semitrailer. Background Art

[0002] A semi-trailer is a land transport equipment with strong carrying capacity and economical and practical application. The front of the semi-trailer is usually equipped with outriggers. When the tractor is separated from the semi-trailer, the outriggers need to be extended to support the semi-trailer. When the tractor is connected to the semi-trailer, the outriggers need to be retracted to ensure the passability of the semi-trailer. During the production process of the semi-trailer, the semi-trailer needs to be transported at the production site. Therefore, a semi-trailer head is often used to match the semi-trailer to achieve travel.

[0003] Although the prior art connects a semi-trailer to a tractor through a towing device, the operation of connecting the semi-trailer to the tractor is relatively complicated, which may easily cause injuries to workers due to inconvenient operation. Therefore, those skilled in the art provide a semi-trailer towing connection device to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a semi-trailer traction connection device, which provides a semi-trailer traction connection device that effectively improves safety by setting a first mounting plate, fixing the pull ring with a limit rod, and quickly installing the pull ring with a slider and a limit plate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-trailer traction connection device, comprising a first mounting plate, a second mounting plate and a mounting bracket, wherein the mounting bracket is arranged at the front end of the first mounting plate, the second mounting plate is arranged at the front end of the first mounting plate, the front end of the first mounting plate is in a rectangular array with four mounting holes, a rotating rod is rotatably connected to the middle of the front end of the first mounting plate, a limiting rod is fixedly connected to the middle of the rotating rod, a first spring is sleeved on one side of the rotating rod, a handle is fixedly connected to one end of the rotating rod, and a rear end of the mounting bracket is fixedly connected to the middle of the front end of the first mounting plate;

[0006] Through the above technical solution, a first mounting plate is provided, a rotating rod is provided at the front end of the first mounting plate, and the tractor and the semi-trailer are connected through a limit rod in the middle of the rotating rod. At the same time, the limit rod can be quickly lifted by turning the handle, which effectively simplifies the operating difficulty of the staff and greatly improves the overall practicality of the device.

[0007] Furthermore, a fixing plate is fixedly connected to the inner side wall of the mounting frame near the rear end, a second spring is fixedly connected to the middle part of the front end of the fixing plate, the other end of the second spring is fixedly connected to a slider, the top end of the slider is fixedly connected to a limit plate, a first through hole is opened at the top end of the mounting frame, and a second through hole is opened at the bottom end of the mounting frame;

[0008] Through the above technical solution, by arranging a slider and a limit plate in the mounting frame, when the limit rod is lifted to the first through hole, the limit rod can be stuck under the action of the spring, and when the pull ring on the semi-trailer moves forward, the slider is pushed to drive the limit plate to move, and the limit rod rebounds at this time, effectively connecting the semi-trailer with the tractor, effectively avoiding injuries to workers during manual installation, and effectively improving the overall safety of the device.

[0009] Furthermore, one end of the first spring is fixedly connected to the rear side of the bottom end of the mounting frame, and the other end of the first spring is fixedly connected to the side wall of the handle;

[0010] Through the above technical solution, the rebound of the limit rod is effectively achieved.

[0011] Furthermore, the limiting rod is respectively adapted to the inner side walls of the first through hole and the second through hole;

[0012] Through the above technical solution, the pull ring is effectively fixed and installed.

[0013] Furthermore, a pull ring is fixedly connected to the rear end of the second mounting plate, and the pull ring is adapted to the side wall of the second mounting plate;

[0014] Through the above technical solution, the tractor and the semi-trailer are effectively connected.

[0015] Further, the sliding block is slidably connected to the inner side wall of the mounting frame;

[0016] Through the above technical solution, the overall stability of the device is effectively improved.

[0017] Furthermore, the limiting plate is slidably connected to the inner side wall of the first through hole;

[0018] Through the above technical solution, the limiting rod is effectively limited.

[0019] Furthermore, the front end of the sliding block passes through the inner wall of the mounting frame;

[0020] Through the above technical solution, the slider is pushed to drive the limit plate to move, and the limit rod rebounds at this time, effectively connecting the semi-trailer and the tractor.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, a first mounting plate is provided, a rotating rod is provided at the front end of the first mounting plate, and the tractor and the semi-trailer are connected through a limit rod in the middle of the rotating rod. At the same time, the limit rod can be quickly lifted by turning the handle, which effectively simplifies the operating difficulty of the staff and greatly improves the overall practicality of the device.

[0023] 2. In the utility model, by arranging a slider and a limit plate in the mounting frame, when the limit rod is lifted to the first through hole, the limit rod can be stuck under the action of the spring, and when the pull ring on the semi-trailer moves forward, the slider is pushed to drive the limit plate to move, and the limit rod rebounds at this time, effectively connecting the semi-trailer with the tractor, effectively avoiding injuries to workers during manual installation, and effectively improving the overall safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a semi-trailer traction connection device proposed by the utility model;

[0025] Figure 2 A three-dimensional diagram of a first mounting plate of a semitrailer traction connection device proposed by the utility model;

[0026] Figure 3 A top view of a semi-trailer traction connection device proposed by the utility model;

[0027] Figure 4 This is a side wall diagram of a first mounting plate of a semitrailer traction connection device proposed by the utility model.

[0028] Legend:

[0029] 1. First mounting plate; 101. Limit rod; 102. Mounting hole; 103. Handle; 104. First spring; 105. Rotating rod; 2. Second mounting plate; 201. Pull ring; 3. Mounting frame; 301. First through hole; 302. Second through hole; 303. Sliding block; 304. Limit plate; 305. Second spring; 306. Fixed plate. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-4The utility model provides an embodiment: a semi-trailer traction connection device, including a first mounting plate 1, a second mounting plate 2 and a mounting frame 3, the mounting frame 3 is arranged at the front end of the first mounting plate 1, the second mounting plate 2 is arranged at the front end of the first mounting plate 1, the front end of the first mounting plate 1 is rectangular and has four mounting holes 102, the middle part of the front end of the first mounting plate 1 is rotatably connected with a rotating rod 105, the middle part of the rotating rod 105 is fixedly connected with a limiting rod 101, one side of the rotating rod 105 is sleeved with a first spring 104, one end of the rotating rod 105 is fixedly connected with a handle 103, the rear end of the mounting frame 3 is fixedly connected with the middle part of the front end of the first mounting plate 1, by setting the first mounting plate 1, the rotating rod 105 is arranged at the front end of the first mounting plate 1, and the tractor and the semi-trailer are connected by the limiting rod 101 in the middle part of the rotating rod 105, and the limiting rod 101 can be quickly lifted by turning the handle 103, which effectively simplifies the operation difficulty of the staff and greatly improves the overall practicality of the device.

[0032] The inner wall of the mounting frame 3 is fixedly connected with a fixing plate 306 near the rear end, and a second spring 305 is fixedly connected with the middle part of the front end of the fixing plate 306. The other end of the second spring 305 is fixedly connected to a slider 303, and the top of the slider 303 is fixedly connected to a limiting plate 304. A first through hole 301 is provided at the top of the mounting frame 3, and a second through hole 302 is provided at the bottom of the mounting frame 3. By arranging a slider 303 and a limiting plate 304 in the mounting frame 3, when the limiting rod 101 is lifted to the first through hole 301, the limiting rod 101 can be stuck under the action of the spring. When the pull ring 201 on the semi-trailer moves forward, the slider 303 is pushed to drive the limiting plate 304 to move. At this time, the limiting rod 101 rebounds, effectively connecting the semi-trailer with the tractor, effectively avoiding injuries to personnel during manual installation, and effectively improving the overall safety of the device.

[0033] One end of the first spring 104 is fixedly connected to the rear side of the bottom end of the mounting frame 3, and the other end of the first spring 104 is fixedly connected to the side wall of the handle 103. The limiting rod 101 is respectively adapted to the inner walls of the first through hole 301 and the second through hole 302. A pull ring 201 is fixedly connected to the rear end of the second mounting plate 2, and the pull ring 201 is adapted to the side wall of the second mounting plate 2. The slider 303 is slidably connected to the inner wall of the mounting frame 3, the limiting plate 304 is slidably connected to the inner wall of the first through hole 301, and the front end of the slider 303 passes through the inner wall of the mounting frame 3.

[0034] Working principle: by setting a first mounting plate 1, a rotating rod 105 is set at the front end of the first mounting plate 1, and the tractor and the semi-trailer are connected by the limit rod 101 in the middle of the rotating rod 105, and at the same time, by turning the handle 103, the limit rod 101 can be quickly lifted using the handle 103, which effectively simplifies the operation difficulty of the staff and greatly improves the overall practicality of the device. By setting a slider 303 and a limit plate 304 in the mounting frame 3, when the limit rod 101 is lifted to the first through hole 301, the limit rod 101 can be stuck under the action of the spring. When the pull ring 201 on the semi-trailer moves forward, the slider 303 is pushed to drive the limit plate 304 to move. At this time, the limit rod 101 rebounds, effectively connecting the semi-trailer and the tractor, effectively avoiding injuries to the staff during manual installation, and effectively improving the overall safety of the device.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A semitrailer traction connection device, comprising a first mounting plate (1), a second mounting plate (2) and a mounting frame (3), wherein the mounting frame (3) is arranged at the front end of the first mounting plate (1), and the second mounting plate (2) is arranged at the front end of the first mounting plate (1), characterized in that: The front end of the first mounting plate (1) is in a rectangular array with four mounting holes (102); the middle part of the front end of the first mounting plate (1) is rotatably connected to a rotating rod (105); the middle part of the rotating rod (105) is fixedly connected to a limiting rod (101); a first spring (104) is sleeved on one side of the rotating rod (105); one end of the rotating rod (105) is fixedly connected to a handle (103); and the rear end of the mounting frame (3) is fixedly connected to the middle part of the front end of the first mounting plate (1).

2. A semitrailer traction connection device according to claim 1, characterized in that: A fixing plate (306) is fixedly connected to the inner side wall of the mounting frame (3) near the rear end, a second spring (305) is fixedly connected to the middle of the front end of the fixing plate (306), the other end of the second spring (305) is fixedly connected to a slider (303), the top end of the slider (303) is fixedly connected to a limiting plate (304), a first through hole (301) is provided at the top end of the mounting frame (3), and a second through hole (302) is provided at the bottom end of the mounting frame (3).

3. A semitrailer traction connection device according to claim 1, characterized in that: One end of the first spring (104) is fixedly connected to the rear side of the bottom end of the mounting frame (3), and the other end of the first spring (104) is fixedly connected to the side wall of the handle (103).

4. A semitrailer traction connection device according to claim 1, characterized in that: The limiting rod (101) is respectively adapted to the inner side walls of the first through hole (301) and the second through hole (302).

5. A semitrailer traction connection device according to claim 1, characterized in that: A pull ring (201) is fixedly connected to the rear end of the second mounting plate (2), and the pull ring (201) and the side wall of the second mounting plate (2) are mutually adapted.

6. A semitrailer traction connection device according to claim 2, characterized in that: The sliding block (303) is slidably connected to the inner wall of the mounting frame (3).

7. A semitrailer traction connection device according to claim 2, characterized in that: The limiting plate (304) is slidably connected to the inner wall of the first through hole (301).

8. A semitrailer traction connection device according to claim 2, characterized in that: The front end of the sliding block (303) passes through the inner wall of the mounting frame (3).

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