Tractor clamp for steel rail

By using splicing clamping components and auxiliary moving components in the traction vehicle fixture, the problem of small contact surfaces of the clamps, inability to clamp and slip out of the clamps in the prior art is solved, and a more stable and powerful rail clamping effect is achieved, and it is adapted to different types of rails.

CN222878431UActive Publication Date: 2025-05-16CHINA RAILWAY 11TH BUREAU GRP CORP LTD
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Patent Information

Application Number
CN202421479941.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-05-16
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

Due to the simple clamping structure of the existing traction truck clamps, the contact surface of the clamped contact surface and the UIC rail are small, and cannot match the shape, resulting in problems such as being unable to clamp and slipping easily.

Method used

A tractor fixture for UIC rails is designed, with splicing clamping assembly and auxiliary moving assembly. The splicing clamp assembly increases the stability and strength of the clamping through the mating bracket and the flip frame; the auxiliary moving assembly supports the spring and support roller with high strength, reduces friction and adjusts the clamping position.

Benefits of technology

It effectively increases the stability and strength of clamping, avoids the problem of clamping falling off, and can adapt to different types of rails. By reducing friction and adjusting the clamping position, the normal movement and installation of the rails on the inside of the clamp are ensured.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222878431U_ABST
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Abstract

The utility model relates to the technical field of clamps for steel rail traction, and discloses a tractor clamp for a steel rail, which comprises two groups of UIC steel rail clamps, the outer sides of the UIC steel rail clamps are provided with splicing clamping components, and the splicing clamping components are used for assisting in clamping or replacing a clamping structure. According to the tractor clamp for the steel rail, the splicing and clamping assembly is installed, the UIC steel rail clamp can be used for clamping the steel rail on the inner side, the splicing support can be spliced with the overturning frame on the outer side, pressure is applied to the spliced steel rail, the UIC steel rail clamp is controlled to press downwards all the time, and the welding efficiency is improved. Meanwhile, during installation, angle adjustment can be assisted through cooperation of a fixing column and a combined bearing, so that installation is assisted, the clamping stability can be effectively improved through the splicing clamping assembly, the clamping strength is effectively improved, and falling is avoided; and meanwhile, the UIC steel rail clamp on the inner side can be replaced to adapt to steel rails of different models.
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Description

Technical Field

[0001] The utility model relates to the technical field of clamps for rail traction, in particular to a traction vehicle clamp for rails. Background Art

[0002] When laying rails, a tractor is needed to tow the rails. In order to better move the rails, the tractor needs to cooperate with the traction clamp to clamp the rails. By clamping, the rails can be moved under the action of the tractor.

[0003] In the prior art, when used, the tractor clamp adopts a simple clamping structure, resulting in a small contact surface between the clamp and the UIC rail, which cannot match the shape and causes the problem of being unable to clamp and easily slipping. Utility Model Content

[0004] The utility model aims to provide a tractor clamp for UIC rails, so as to solve the problem that the existing tractor clamp in the above-mentioned background technology adopts a simple clamping structure, resulting in a small contact surface between the clamping and the UIC rail, and the shape cannot be matched, resulting in the problem that the clamping cannot be tightened and is easy to slip. By providing a spliced ​​clamping component, the UIC rail can be tightly clamped through the inner contour.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A tractor clamp for rails, comprising two sets of UIC rail clamps, wherein the outer side of the UIC rail clamps is provided with a splicing clamping assembly, and the splicing clamping assembly is used to assist in clamping or replace the clamping structure, and the inner side of the UIC rail clamps is provided with an auxiliary moving assembly, and the auxiliary moving assembly is used to reduce friction and adjust the clamping position;

[0007] The splicing clamping assembly includes a splicing bracket, and the splicing bracket is located on the outside of the UIC rail clamp, a flip frame is arranged on the outside of the splicing bracket, and a fixing column is arranged on the outside of the flip frame, a combined bearing is arranged on the outside of the fixing column, and an adjusting plate is arranged on the outside of the combined bearing, an adjusting screw is arranged in the middle of the adjusting plate, and an adjusting motor is arranged at the input end of the adjusting screw, and a main frame is arranged on the outside of the adjusting motor;

[0008] The auxiliary moving assembly includes a high-strength support spring, and an auxiliary wheel is arranged on the inner side of the end of the high-strength support spring, and the auxiliary wheel is located on the inner side of the UIC rail clamp. The auxiliary moving assembly includes several groups of support rollers, and the support rollers are located on the inner bottom of the UIC rail clamp.

[0009] Preferably, two groups of splicing guide rods are installed on one side of the upper end or lower end of the UIC rail clamp, and the splicing guide rods are located inside the other group of UIC rail clamps. A clamping groove is opened in the middle of the UIC rail clamp, and a rail is arranged inside the clamping groove.

[0010] Preferably, a limiting bracket is provided at the end of the high-strength support spring, and the limiting bracket is located outside the auxiliary wheel.

[0011] Preferably, a combination groove is opened in the middle of the adjustment plate, and the combination groove is located on the outside of the main frame, a thread groove is opened on the inner side of the adjustment plate, and the thread groove is located on the outside of the adjustment screw, and two groups of guide rod grooves are opened on the front side of the upper end of the adjustment plate.

[0012] Preferably, two sets of positioning seats are installed on the top of the main frame, and a fixed shaft is installed on the inner side of the positioning seat, welding seats are installed on both sides of the upper end of the positioning seat, and an auxiliary guide rod is arranged on the inner side of the welding seat, and the auxiliary guide rod is located on the inner side of the guide rod groove.

[0013] Preferably, limit bearings are arranged on the outer sides of both ends of the adjusting screw, and the limit bearings are located on the inner sides of the front and back sides of the main frame.

[0014] Preferably, two groups of splicing grooves are provided on the top of the flip frame, and the splicing grooves are located on the outside of the splicing brackets, and three groups of limiting guide rods are provided on the inner side of the lower end of the flip frame.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] 1. The utility model is equipped with a splicing clamping assembly, and the inner rail can be clamped by using the UIC rail clamp. The splicing bracket can be spliced ​​with the outer flip frame. After splicing, the rail will apply pressure to always control the downward pressure of the UIC rail clamp. At the same time, during installation, the fixed column and the combined bearing can be used to assist in angle adjustment, thereby assisting installation. The splicing clamping assembly can effectively increase the stability of clamping, effectively improve the clamping strength to avoid falling off, and the inner UIC rail clamp can be replaced to adapt to different types of rails.

[0017] 2. The utility model is equipped with an auxiliary moving component and a clamping groove with a fixed profile. After clamping, the friction caused by the large contact area affects the normal adjustment position of the rail inside the clamp. The high-strength support spring can push the limit bracket at the end to move, and then push the auxiliary wheel to squeeze the rail. At the same time, the support roller can assist in position adjustment at the same time. After adjusting the position, the internal spring structure is clamped and compressed, and after maintaining close contact, it can still maintain close clamping to prevent falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the adjustment plate of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the flip frame of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the UIC rail clamp of the utility model;

[0022] Figure 5 It is a cross-sectional schematic diagram of the auxiliary wheel of the utility model.

[0023] Among them: 1. UIC rail clamp; 101. splicing bracket; 103. support roller; 104. splicing guide rod; 105. clamping groove; 106. rail; 2. auxiliary wheel; 201. high-strength support spring; 202. limit bracket; 3. adjustment plate; 301. combined bearing; 302. combined groove; 303. thread groove; 304. guide rod groove; 4. main frame; 401. positioning seat; 402. fixed shaft; 403. welding seat; 404. auxiliary guide rod; 5. adjustment motor; 501. adjustment screw; 502. limit bearing; 6. flip frame; 601. splicing groove; 602. fixed column; 603. limit guide rod. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 A tractor clamp for rails, comprising two sets of UIC rail clamps 1, a splicing clamping assembly is arranged on the outer side of the UIC rail clamp 1, and the splicing clamping assembly is used to assist in clamping or replace the clamping structure, and an auxiliary moving assembly is arranged on the inner side of the UIC rail clamp 1, and the auxiliary moving assembly is used to reduce friction and adjust the clamping position;

[0026] The splicing clamping assembly includes a splicing bracket 101, and the splicing bracket 101 is located on the outside of the UIC rail clamp 1, a flip frame 6 is arranged on the outside of the splicing bracket 101, and a fixing column 602 is arranged on the outside of the flip frame 6, a combined bearing 301 is arranged on the outside of the fixing column 602, and an adjusting plate 3 is arranged on the outside of the combined bearing 301, an adjusting screw 501 is arranged in the middle of the adjusting plate 3, and an adjusting motor 5 is arranged at the input end of the adjusting screw 501, and a main frame 4 is arranged on the outside of the adjusting motor 5;

[0027] The auxiliary moving component includes a high-strength support spring 201, and an auxiliary wheel 2 is arranged on the inner side of the end of the high-strength support spring 201, and the auxiliary wheel 2 is located on the inner side of the UIC rail clamp 1. The auxiliary moving component includes several groups of support rollers 103, and the support rollers 103 are located at the inner bottom of the UIC rail clamp 1.

[0028] Through the above technical scheme, the inner rail 106 can be clamped by the UIC rail clamp 1, and the splicing bracket 101 can be spliced ​​with the outer flip frame 6. After splicing, the rail 106 will apply pressure to always control the UIC rail clamp 1 to press down. At the same time, during installation, the fixed column 602 and the combined bearing 301 can be used to assist in angle adjustment, thereby assisting installation. The splicing clamping assembly can effectively increase the stability of clamping, effectively improve the clamping strength to avoid falling off, and the inner UIC rail clamp 1 can be replaced to adapt to different types of rails 106.

[0029] Through the above technical solution, the high-strength support spring 201 can push the end limit bracket 202 to move, and then push the auxiliary wheel 2 to squeeze the rail 106. At the same time, the support roller 103 can assist in position adjustment. After adjusting the position, the internal spring structure is clamped and compressed, and after maintaining close contact, it can still maintain tight clamping to prevent falling off.

[0030] Specifically, two groups of splicing guide rods 104 are installed on one side of the upper end or the lower end of the UIC rail clamp 1, and the splicing guide rods 104 are located inside the other group of UIC rail clamps 1. A clamping groove 105 is opened in the middle of the UIC rail clamp 1, and a rail 106 is arranged inside the clamping groove 105.

[0031] Through the above technical solution, the spliced ​​guide rod 104 is used to limit the telescopic adjustment of the UIC rail clamp 1 to ensure the stability of the adjustment, and the clamping groove 105 can provide a clamping area for the inner rail 106.

[0032] Specifically, a limiting bracket 202 is provided at the end of the high-strength support spring 201 , and the limiting bracket 202 is located outside the auxiliary wheel 2 .

[0033] Through the above technical solution, the limiting bracket 202 can limit the high-strength support spring 201 on the inside, and the high-strength support spring 201 can be used to push the auxiliary wheel 2 to clamp the rail 106.

[0034] Specifically, a combination groove 302 is opened in the middle of the adjustment plate 3, and the combination groove 302 is located on the outside of the main frame 4, a thread groove 303 is opened on the inner side of the adjustment plate 3, and the thread groove 303 is located on the outside of the adjustment screw 501, and two groups of guide rod grooves 304 are opened on the front of the upper end of the adjustment plate 3.

[0035] Through the above technical solution, the combination groove 302 can be spliced ​​with the main frame 4. After splicing, the adjustment plate 3 can be kept stable for sliding adjustment. The threaded groove 303 is used to connect with the adjustment screw 501, and the guide rod groove 304 can be installed on the outside of the auxiliary guide rod 404 to maintain the stability of the sliding adjustment.

[0036] Specifically, two sets of positioning seats 401 are installed on the top of the main frame 4, and a fixed shaft 402 is installed on the inner side of the positioning seat 401, welding seats 403 are installed on both sides of the upper end of the positioning seat 401, and an auxiliary guide rod 404 is arranged on the inner side of the welding seat 403, and the auxiliary guide rod 404 is located on the inner side of the guide rod groove 304.

[0037] Through the above technical solution, the positioning seat 401 can provide limitation for the inner fixed shaft 402, and the fixed shaft 402 is used to be fixed to the external tractor. The welding seat 403 is used to limit the auxiliary guide rod 404, and the auxiliary guide rod 404 can be used to limit the stability of the movement of the adjustment plate 3.

[0038] Specifically, the outer sides of the two ends of the adjusting screw rod 501 are provided with limit bearings 502 , and the limit bearings 502 are located on the inner sides of the front and back sides of the main frame 4 .

[0039] Through the above technical solution, the limiting bearing 502 is used to limit the adjusting screw 501 and keep the adjusting screw 501 rotating stably for adjustment.

[0040] Specifically, two groups of splicing grooves 601 are opened on the top of the flip frame 6 , and the splicing grooves 601 are located on the outside of the splicing bracket 101 , and three groups of limiting guide rods 603 are arranged on the inner side of the lower end of the flip frame 6 .

[0041] Through the above technical solution, the splicing groove 601 is used to provide restrictions for the splicing bracket 101, and the limiting guide rod 603 is used to assist the flip frame 6 in performing outward adjustment.

[0042] When in use, first insert the splicing bracket 101 corresponding to the UIC rail clamp 1 into the inner side of the splicing groove 601 according to needs, then place the rail 106 on the inner side of the clamping groove 105, and control the adjusting screw 501 to rotate by the adjusting motor 5. The rotation can drive the adjusting plate 3 to move in the direction of the adjusting motor 5. After the movement, the flip frame 6 at the bottom is controlled to move along the limiting guide rod 603. Finally, the UIC rail clamp 1 is used to clamp the rail 106. When it is not fully clamped, the rail 106 is moved, and the internal auxiliary wheel 2 adjusts the position of the auxiliary rail 106. Finally, the UIC rail clamp 1 is used to clamp the rail 106.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A traction vehicle clamp for rails, comprising two sets of UIC rail clamps (1), characterized in that: The UIC rail clamp (1) is provided with a splicing clamping assembly on the outside, and the splicing clamping assembly is used to assist in clamping or replace the clamping structure; the UIC rail clamp (1) is provided with an auxiliary moving assembly on the inside, and the auxiliary moving assembly is used to reduce friction and adjust the clamping position; The splicing clamping assembly comprises a splicing bracket (101), and the splicing bracket (101) is located on the outside of the UIC rail clamp (1), a flip frame (6) is arranged on the outside of the splicing bracket (101), and a fixing column (602) is arranged on the outside of the flip frame (6), a combined bearing (301) is arranged on the outside of the fixing column (602), and an adjustment plate (3) is arranged on the outside of the combined bearing (301), an adjustment screw (501) is arranged in the middle of the adjustment plate (3), and an adjustment motor (5) is arranged at the input end of the adjustment screw (501), and a main frame (4) is arranged on the outside of the adjustment motor (5); The auxiliary moving component comprises a high-strength support spring (201), and an auxiliary wheel (2) is arranged on the inner side of the end of the high-strength support spring (201), and the auxiliary wheel (2) is located on the inner side of the UIC rail clamp (1). The auxiliary moving component comprises a plurality of groups of support rollers (103), and the support rollers (103) are located at the inner bottom of the UIC rail clamp (1).

2. A traction vehicle clamp for rails according to claim 1, characterized in that: Two groups of splicing guide rods (104) are installed on one side of the upper end or the lower end of the UIC rail clamp (1), and the splicing guide rods (104) are located inside the other group of UIC rail clamps (1). A clamping groove (105) is opened in the middle of the UIC rail clamp (1), and a rail (106) is arranged inside the clamping groove (105).

3. A traction vehicle clamp for rails according to claim 1, characterized in that: A limiting bracket (202) is provided at the end of the high-strength support spring (201), and the limiting bracket (202) is located outside the auxiliary wheel (2).

4. A traction vehicle clamp for rails according to claim 1, characterized in that: A combination groove (302) is provided in the middle of the adjustment plate (3), and the combination groove (302) is located outside the main frame (4); a thread groove (303) is provided on the inner side of the adjustment plate (3), and the thread groove (303) is located outside the adjustment screw rod (501); and two groups of guide rod grooves (304) are provided on the front side of the upper end of the adjustment plate (3).

5. The traction vehicle clamp for rails according to claim 1, characterized in that: Two groups of positioning seats (401) are installed on the top of the main frame (4), and a fixed shaft (402) is installed on the inner side of the positioning seat (401). Welding seats (403) are installed on both sides of the upper end of the positioning seat (401), and an auxiliary guide rod (404) is arranged on the inner side of the welding seat (403), and the auxiliary guide rod (404) is located on the inner side of the guide rod groove (304).

6. A traction vehicle clamp for rails according to claim 1, characterized in that: Limit bearings (502) are arranged on the outer sides of both ends of the adjusting screw rod (501), and the limit bearings (502) are located on the inner sides of the front and back sides of the main frame (4).

7. A traction vehicle clamp for rails according to claim 1, characterized in that: Two groups of splicing grooves (601) are provided on the top of the flip frame (6), and the splicing grooves (601) are located outside the splicing bracket (101). Three groups of limiting guide rods (603) are provided inside the lower end of the flip frame (6).