Steel rail deviation rectifying, guiding and positioning device

Abstract

The utility model provides a steel rail deviation rectifying, guiding and positioning device. The steel rail deviation rectifying, guiding and positioning device comprises a steel rail, pneumatic clamping jaws, supporting seats and supporting rollers. The supporting roller is arranged on the supporting seat; the pneumatic clamping jaw is provided with two clamps; the two clamps are rotationally mounted on the supporting seat respectively; any clamp is provided with a gear structure, and the gear structures of the two clamps are meshed with each other. The pneumatic clamping jaw further comprises a driving device. The driving device drives the tops of the two clamps to clamp or release the steel rail; the pneumatic clamping jaw is arranged on one side of the supporting roller. The supporting rollers are used for supporting the steel rail. A holding type self-centering pneumatic clamping jaw is adopted, and the functions of releasing, loosening, clamping and positioning a static steel rail which is conveyed in place are achieved in the opening and closing process of the pneumatic clamping jaw through reciprocating motion of an air cylinder. When a steel rail enters one end of the device, the unpowered supporting rollers are used for supporting and following the steel rail, and the steel rail is driven to reach or pass through the other end of the device by means of power of a steel rail roller way conveying line.

Description

Technical Field

[0001] The utility model belongs to the field of metal processing equipment, and in particular relates to a rail deviation correction guide positioning device in the application of rail weld grinding. Background Art

[0002] Rails are the main components of rail transportation. Rails are in direct contact with the wheels of trains, and their quality directly affects the safety and stability of driving, as well as the comfort of passengers. Therefore, grinding of rail welds is very necessary.

[0003] The existing Chinese patent application document with announcement number CN213896582U discloses a rail guiding and positioning device for rail weld grinding, comprising: a support seat, a support roller, a guide roller pair and a pneumatic clamp; the support roller, the guide roller pair and the pneumatic clamp are all arranged on the top surface of the support seat; the guide roller pair comprises a first guide roller and a second guide roller; the support roller is arranged transversely, the first guide roller and the second guide roller are longitudinally arranged on one side of the support roller, and the pneumatic clamp is arranged on the other side of the support roller.

[0004] The disadvantages of the prior art are that the horizontal synchronous centering clamp has low structural strength and unstable clamping concentricity, resulting in low functional stability of such devices. Utility Model Content

[0005] In view of the defects in the prior art, the utility model aims to provide a rail deviation correction, guiding and positioning device.

[0006] The rail deviation correction and guiding positioning device provided by the utility model comprises: a rail, a pneumatic clamp, a support seat, and a support roller;

[0007] The support roller is arranged on the support seat;

[0008] The pneumatic clamp has two clamps; the two clamps are rotatably mounted on the support seat respectively; any of the clamps is provided with a gear structure, and the gear structures of the two clamps are meshed with each other;

[0009] The pneumatic clamp also includes a driving device; the driving device drives the tops of the two clamps to clamp or release the rail;

[0010] The pneumatic clamp is arranged on one side of the supporting roller;

[0011] The supporting rollers are used to support the rails.

[0012] Preferably, it also includes a protective cover;

[0013] The protective cover is arranged on the support seat;

[0014] The protective cover covers the pneumatic clamp, and the protective cover allows the working part of the pneumatic clamp to extend without interfering with it.

[0015] Preferably, the pneumatic clamp has a mounting hole, a bearing is arranged in the mounting hole, and the pneumatic clamp is sleeved on the rotating shaft provided on the end surface of the support seat through the bearing.

[0016] Preferably, it also includes a guide roller pair seat and a guide roller pair bearing;

[0017] The guide roller pair bearings are fixed on the guide roller pair seats;

[0018] The guide roller pair is arranged on the support seat.

[0019] Preferably, the guide roller pair is arranged on both sides of the rail with the rail as the symmetric center;

[0020] The guide roller pair bearings are arranged on both sides of the rail with the rail as the symmetrical center;

[0021] Preferably, it also includes a support roller bearing module; the support roller bearing module is arranged on both sides of the rail with the rail as the symmetric center;

[0022] The support roller bearing module is arranged on the support seat;

[0023] The support roller is rotatably mounted on the support seat through the support roller bearing module.

[0024] The rail is placed on the support rollers.

[0025] Preferably, the guide roller pair and the support roller bearing module are respectively fixed on the upper end surface of the support seat, and the support seat is then fixed to a base mounted on the ground through bolt holes on the lower end surface.

[0026] Preferably, the pneumatic clamp is of a height capable of holding the lower edge of the rail.

[0027] Preferably, the driving device comprises a double-acting double-rod cylinder;

[0028] The double-acting double-rod cylinder is arranged in the middle of the pneumatic clamp, and the first telescopic rod of the double-acting double-rod cylinder is hinged to the lower end of one of the clamps of the pneumatic clamp;

[0029] The second telescopic rod of the double-acting double-rod cylinder is hinged to the lower end of the other clamp of the pneumatic clamp.

[0030] Preferably, the driving device is a double-acting single-rod cylinder;

[0031] The double-acting single-rod cylinder is arranged in the middle of the pneumatic clamp, and the telescopic rod of the double-acting single-rod cylinder is hinged to the lower end of one of the clamps of the pneumatic clamp;

[0032] The cylinder body of the double-acting single-rod cylinder is hinged to the lower end of the other clamp of the pneumatic clamp. Compared with the prior art, the utility model has the following beneficial effects:

[0033] 1. The use of a holding self-centering jaw structure with a gear structure solves the problems of low strength and unstable clamping concentricity of the horizontal synchronous centering jaw structure;

[0034] 2. The integrated cylinder protection cover structure solves the problem of potential cylinder piston or magnetic switch failure caused by inadequate cylinder protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0036] Figure 1 It is a schematic diagram of the structure of the utility model;

[0037] Figure 2 It is a top view of the utility model;

[0038] Figure 3 It is a left view of the utility model.

[0039] The figure shows:

[0040] DETAILED DESCRIPTION

[0041] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0042] The utility model provides a rail deviation correction, guiding and positioning device; comprising: a rail 1, a pneumatic clamp 6, a support seat 4, and a support roller 8; the support roller 8 is arranged on the support seat 4;

[0043] The pneumatic clamp 6 has two clamps; the two clamps are rotatably mounted on the support seat 4 respectively; each clamp is provided with a gear structure, and the gear structures of the two clamps are meshed with each other; the pneumatic clamp 6 also includes a driving device; the driving device drives the tops of the two clamps to clamp or release the rail 1; the pneumatic clamp 6 is arranged on one side of the support roller 8;

[0044] The two clamps rotate synchronously through the meshing of gears to clamp the rail 1, thereby better avoiding the low strength of the horizontal synchronous centering clamp structure and improving the concentricity of the pneumatic clamp.

[0045] The support rollers 8 are used to support the rail 1 .

[0046] It also includes a protective cover 5; the protective cover 5 is arranged on the support seat 4; the protective cover 5 covers the pneumatic clamp 6, and the protective cover 5 allows the working part of the pneumatic clamp 6 to extend without interfering with it. The protective cover 5 can provide dust protection and solve the problem of potential cylinder piston or magnetic switch failure caused by inadequate cylinder protection.

[0047] The pneumatic clamping jaw 6 has a mounting hole, in which a bearing is arranged. The pneumatic clamping jaw 6 is mounted on a rotating shaft provided on the end surface of the supporting seat 4 through the bearing sleeve.

[0048] It also includes a guide roller pair seat 2 and a guide roller pair bearing 3; the guide roller pair bearing 3 is fixed on the guide roller pair seat 2; by adopting the structure of the guide roller pair bearing 2, the problem of increased roller line load and easy scratches on the rail surface due to excessive contact friction when the rail is guided by a bell-mouth steel plate is solved.

[0049] The guide roller pair seat 2 is arranged on the support seat 4.

[0050] The guide roller pair seats 2 are arranged on both sides of the rail 1 with the rail 1 as the symmetric center; the guide roller pair bearings 3 are arranged on both sides of the rail 1 with the rail 1 as the symmetric center;

[0051] It also includes a support roller bearing module 9; the support roller bearing module 9 is arranged on both sides of the rail 1 with the rail 1 as the symmetrical center;

[0052] The support roller bearing module 9 is arranged on the support seat 4;

[0053] The support roller 8 is rotatably mounted on the support seat 4 through the support roller bearing module 9.

[0054] The rail 1 rests on support rollers 8 .

[0055] The guide roller pair 2 and the support roller bearing module 9 are respectively fixed on the upper end surface of the support seat 4, and the support seat 4 is then fixed to a base mounted on the ground through bolt holes on the lower end surface.

[0056] The height of the pneumatic clamp 6 is such that it can hold the lower edge of the rail 1 .

[0057] One implementation method is: the driving device 7 includes a double-acting double-rod cylinder;

[0058] The double-acting double-rod cylinder is arranged in the middle of the pneumatic clamp 6, and the first telescopic rod of the double-acting double-rod cylinder 7 is hinged to the lower end of one of the clamps of the pneumatic clamp 6;

[0059] The second telescopic rod of the double-acting double-rod cylinder 7 is hinged to the lower end of the other clamp of the pneumatic clamp 6.

[0060] Another implementation is:

[0061] The driving device 7 is a double-acting single-rod cylinder; the double-acting single-rod cylinder is arranged in the middle of the pneumatic clamp 6, and the telescopic rod of the double-acting single-rod cylinder 7 is hinged to the lower end of one of the clamps of the pneumatic clamp 6;

[0062] The cylinder body of the double-acting single-rod cylinder 7 is hinged to the lower end of the other clamp of the pneumatic clamp 6.

[0063] Working principle:

[0064] When the rail 1 is transported to one end of the device through the roller track, it first passes through the guide roller bearings 3 arranged symmetrically on the left and right, and the lower bottom edge of the rail 1 contacts and interacts with the guide roller bearings 3 to correct the incoming material state, and then continues to move forward under the support and follow-up action of the support roller 8 until it reaches or passes the other end of the device and stops. At this time, the pneumatic clamp 6 performs a "holding" clamping action under the pulling force of the cylinder 7 until it reaches the preset limited position, thereby realizing the clamping and positioning function of the lower bottom edge of the rail 1.

[0065] When the rail needs to leave the device, the pneumatic clamp 6 performs a "reverse holding" loosening action under the thrust of the cylinder 7 until it reaches a preset limited position, thereby realizing the release function of the rail.

[0066] The "holding" self-centering pneumatic clamp is used to release and clamp the static rails that have been delivered to the device through the reciprocating motion of the cylinder. When the rails are delivered to the device through the roller conveyor, a pair of guide rollers with a left-right symmetrical structure is used to correct the deviation of the incoming rails. When the rails enter one end of the device, the unpowered support roller 8 is used to support and follow the rails and drive the rails to reach or pass through the other end of the device with the power of the rail roller conveyor.

[0067] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0068] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.

Claims

1. A rail deviation correction and guiding positioning device, characterized in that: include: Steel rail (1), pneumatic clamp (6), support seat (4), support roller (8); The support roller (8) is arranged on the support seat (4); The pneumatic clamp (6) has two clamps; the two clamps are rotatably mounted on the support seat (4) respectively; any one of the clamps is provided with a gear structure, and the gear structures of the two clamps are meshed with each other; The pneumatic clamp (6) further comprises a driving device (7); the driving device (7) drives the tops of the two clamps to clamp or release the rail (1); The pneumatic clamp (6) is arranged on one side of the supporting roller (8); The support roller (8) is used to support the rail (1).

2. The rail deviation correction and guiding positioning device according to claim 1 is characterized in that: Also includes a protective cover (5); The protective cover (5) is arranged on the support seat (4); The protective cover (5) covers the pneumatic clamp (6), and the protective cover (5) allows the working part of the pneumatic clamp (6) to extend without interfering with it.

3. The rail deviation correction and guiding positioning device according to claim 1, characterized in that: The pneumatic clamp (6) has a mounting hole, a bearing is arranged in the mounting hole, and the pneumatic clamp (6) is mounted on the rotating shaft provided on the end surface of the support seat (4) through the bearing sleeve.

4. The rail deviation correction, guiding and positioning device according to claim 1, characterized in that: It also includes a guide roller pair seat (2) and a guide roller pair bearing (3); The guide roller pair bearing (3) is fixed on the guide roller pair seat (2); The guide roller pair seat (2) is arranged on a support seat (4).

5. The rail deviation correction, guiding and positioning device according to claim 4, characterized in that: The guide roller pair (2) is arranged on both sides of the steel rail (1) with the steel rail (1) as the symmetrical center; The guide roller pair bearings (3) are arranged on both sides of the steel rail (1) with the steel rail (1) as the symmetrical center.

6. The rail deviation correction, guiding and positioning device according to claim 1, characterized in that: It also includes a support roller bearing module (9); the support roller bearing module (9) is arranged on both sides of the steel rail (1) with the steel rail (1) as the symmetrical center; The support roller bearing module (9) is arranged on the support seat (4); The support roller (8) is rotatably mounted on the support seat (4) via a support roller bearing module (9). The rail (1) is placed on the support rollers (8).

7. The rail deviation correction, guiding and positioning device according to claim 5, characterized in that: The guide roller pair seat (2) and the support roller bearing module (9) are respectively fixed on the upper end surface of the support seat (4), and the support seat (4) is then fixed to a base mounted on the ground through bolt holes on the lower end surface.

8. The rail deviation correction, guiding and positioning device according to claim 1, characterized in that: The height of the pneumatic clamp (6) is capable of holding the lower edge of the rail (1).

9. The rail deviation correction, guiding and positioning device according to claim 1, characterized in that: The driving device (7) comprises a double-acting double-rod cylinder; The double-acting double-rod cylinder is arranged in the middle of the pneumatic clamp (6), and the first telescopic rod of the double-acting double-rod cylinder is hinged to the lower end of one of the clamps of the pneumatic clamp (6); The second telescopic rod of the double-acting double-rod cylinder is hinged to the lower end of the other clamp of the pneumatic clamp (6).

10. The rail deviation correction, guiding and positioning device according to claim 1, characterized in that: The driving device (7) is a double-acting single-rod cylinder; The double-acting single-rod cylinder is arranged in the middle of the pneumatic clamp (6), and the telescopic rod of the double-acting single-rod cylinder is hinged to the lower end of one of the clamps of the pneumatic clamp (6); The cylinder body of the double-acting single-rod cylinder is hinged to the lower end of the other clamp of the pneumatic clamp (6).

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