Steel rail punching positioner

Abstract

The utility model relates to the technical field of steel rail punching, in particular to a steel rail punching positioner which comprises two positioning plates with the same size and structure, the two positioning plates are oppositely arranged, one side of each positioning plate is provided with a circular groove, a space between the two circular grooves forms a measuring tape cavity, and the measuring tape cavity is provided with a groove. A measuring tape is arranged in the measuring tape cavity, and one end of a measuring tape belt of the measuring tape extends out of the two positioning plates; a first concave part and a first positioning part are arranged on one side of the positioning plate, a third concave part and a third positioning part are arranged on the other side of the positioning plate, and a second concave part and a second positioning part are arranged at the bottom of the positioning plate. According to the steel rail side wall punching device, steel rails of different models and sizes can be positioned and punched, meanwhile, the punching position of the side wall of the steel rail can be positioned conveniently, the punching position of the side wall of the steel rail is positioned accurately, errors of positioning the punching position are reduced, and the efficiency of positioning the punching position of the side wall of the steel rail is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail drilling, and particularly relates to a rail drilling locator. Background Art

[0002] A rail is a main component of a railway track. Its function is to guide the wheels of a locomotive or vehicle forward, bear the huge pressure of the wheels, and transmit it to the sleeper. The rail provides a continuous, smooth and least resistant rolling surface for the wheels.

[0003] Currently, when installing and maintaining a railway track, it is necessary to drill holes in the side wall of the rail for connection. For example, when a turnout rail breaks, it is necessary to urgently replace the turnout rail. After the rail is replaced, holes are drilled and connected at appropriate positions on the side wall of the rail as needed. Therefore, it is necessary to locate the drilling position before drilling holes in the side wall of the rail. However, it is difficult to locate the drilling position on the side wall of the rail in the prior art. It requires 2 to 3 people to complete the task of locating the drilling position. The operation efficiency of locating the drilling position is low, and it is easy to have inaccurate positioning of the drilling position. The error of the located drilling position is large, resulting in waste of rails and affecting the efficiency of the rail construction operation. Summary of the Invention

[0004] The utility model provides a rail drilling locator to solve the problems that it is difficult to locate the drilling position on the side wall of the rail and the located drilling position is prone to be inaccurate in the prior art. Through this drilling locator, the drilling positions of rails with different model sizes can be located, and at the same time, it is convenient to locate the drilling position on the side wall of the rail. Moreover, the drilling position on the side wall of the rail is accurately located, the error of the located drilling position is reduced, and the efficiency of locating the drilling position on the side wall of the rail is improved.

[0005] To achieve the above object, the technical solution of the utility model is: a rail drilling locator, which includes two positioning plates with the same size and structure. The two positioning plates are arranged oppositely. A circular groove is provided on one side of each of the two positioning plates. The space between the two circular grooves forms a tape measure cavity. A tape measure is arranged inside the tape measure cavity. One end of the tape of the tape measure extends outside the two positioning plates. The drilling locator is composed of two positioning plates cooperating with a tape measure. The circular grooves on the positioning plates play a role in installing the tape measure. The distance between the drilling position on the side wall of the rail and the end of the rail can be measured through the tape measure.

[0006] One side of the positioning plate is provided with a first recess and a first positioning portion, the other side of the positioning plate is provided with a third recess and a third positioning portion, and the bottom of the positioning plate is provided with a second recess and a second positioning portion. The purpose is to enable the punching locator to perform positioning punching operations on rails of different model sizes. Among them, the first recess, the second recess and the third recess can be fitted to the lower jaw of the rail head, so as to facilitate the fitting of the first positioning portion, the second positioning portion and the third positioning portion to the rail waist, so as to facilitate positioning the punching position on the side wall of the rail and ensure accurate positioning of the punching position.

[0007] Further, a tape measure belt groove is formed inside the positioning plate, and the tape measure belt groove communicates with the circular groove. One end of the tape measure belt of the tape measure passes through the tape measure belt groove and extends to the outside of the two positioning plates.

[0008] Further, the first positioning portion is inclined upward, and a first mark corresponding to the first positioning portion is provided on the outer surface of the positioning plate. The cooperation of the first mark and the first positioning portion can achieve the purpose of positioning the punching position on the side wall of the rail.

[0009] Further, the second positioning portion is inclined downward, and a second mark corresponding to the second positioning portion is further provided on the outer surface of the positioning plate; a third mark corresponding to the third positioning portion is further provided on the outer surface of the positioning plate. The cooperation of the second mark and the second positioning portion can achieve the purpose of positioning the punching position on the side wall of the rail, and the cooperation of the third mark and the third positioning portion can also achieve the purpose of positioning the punching position on the side wall of the rail.

[0010] Further, a plurality of screw holes are arranged at intervals on the positioning plate, and the two positioning plates are connected by bolts through the screw holes, so as to facilitate the disassembly and assembly of the two positioning plates.

[0011] Through the above technical solutions, the beneficial effects of the present utility model are as follows:

[0012] The structure of the present utility model is simple and has good use effects. It can position the punching position of rails of different model sizes, has a wide application range, is convenient for positioning the punching position on the side wall of the rail, accurately positions the punching position on the side wall of the rail, reduces the error of the punching position, and improves the efficiency of positioning the punching position on the side wall of the rail.

[0013] The present utility model can measure the distance between the position where the rail needs to be punched and the end of the rail through the tape measure between the two positioning plates to ensure accurate positioning of the punching position on the side wall of the rail; among them, the two circular grooves provide installation positions for the tape measure, and the tape measure belt groove facilitates the tape measure belt to pass through the two positioning plates.

[0014] The first mark of the present utility model cooperates with the first positioning portion to perform positioning and punching position operations on the side wall of the rail. The second mark cooperates with the second positioning portion to also perform positioning and punching position operations on the side wall of the rail. The third mark cooperates with the third positioning portion to also be able to perform positioning and punching position operations on the side wall of the rail. The first recess, the second recess, and the third recess can be fitted to the lower jaw of the rail head, so as to facilitate the first positioning portion, the second positioning portion, and the third positioning portion to be fitted to the waist of the rail, so as to facilitate performing positioning and punching position operations on the side wall of the rail, achieving the effect of being able to perform positioning and punching position operations on rails of different model sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a rail punching positioner of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the positioning plate and the tape measure of the present utility model;

[0017] Figure 3 is a schematic structural diagram of the positioning plate of the present utility model.

[0018] In the drawings, the reference numerals are: 1 is the positioning plate, 2 is the first recess, 3 is the first positioning portion, 4 is the first mark, 5 is the second recess, 6 is the second positioning portion, 7 is the second mark, 8 is the third recess, 9 is the third positioning portion, 1 is the third mark, 11 is the circular groove, 12 is the tape measure belt groove, 13 is the tape measure, and 14 is the screw hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described below in conjunction with the drawings and the detailed description of the embodiments:

[0020] As Figures 1 to 3 shown, a rail punching positioner includes two positioning plates 1 with the same size and structure. The two positioning plates 1 are arranged opposite to each other. A circular groove 11 is formed on one side of each of the two positioning plates 1. The space between the two circular grooves 11 forms a tape measure cavity. A tape measure 13 is arranged inside the tape measure cavity. One end of the tape measure belt of the tape measure 13 extends outside the two positioning plates 1. In this embodiment, the size of the circular groove 11 matches the size of the tape measure 13. The circular grooves 11 on the two positioning plates 1 provide an installation position for the tape measure 13. The tape measure 13 is a two-meter-long tape measure. Before punching the side wall of the rail, the rail is first measured by the tape measure 13 to determine the distance between the required punching position on the side wall of the rail and the end of the rail, ensuring accurate positioning of the punching position on the side wall of the rail.

[0021] On one side of the positioning plate 1, a first recess 2 and a first positioning portion 3 are provided. On the other side of the positioning plate 1, a third recess 8 and a third positioning portion 9 are provided. At the bottom of the positioning plate 1, a second recess 5 and a second positioning portion 6 are provided. In this embodiment, the first recess 2 and the first positioning portion 3 can perform positioning and drilling operations on the 43-steel rail. Among them, the first recess 2 matches the lower jaw of the head of the 43-steel rail, and the first positioning portion 3 matches the shape of the side wall of the 43-steel rail; the second recess 5 and the second positioning portion 6 can perform positioning and drilling operations on the 50-steel rail. Among them, the second recess 5 matches the lower jaw of the head of the 50-steel rail, and the second positioning portion 6 matches the shape of the side wall of the 50-steel rail; the third recess 8 and the third positioning portion 9 can perform positioning and drilling operations on the 60-steel rail. Among them, the third recess 8 matches the lower jaw of the head of the 60-steel rail, and the third positioning portion 9 matches the shape of the side wall of the 60-steel rail.

[0022] A tape measure groove 12 is formed inside the positioning plate 1. The tape measure groove 12 communicates with the circular groove 11. One end of the tape of the tape measure 13 passes through the tape measure groove 12 and extends to the outside of the two positioning plates 1. In this embodiment, the tape measure grooves 12 on the two positioning plates 1 form a channel for the tape of the tape measure 13 to extend to the outside. Among them, a limit block is connected to the end of the tape. The limit block can prevent the tape from retracting into the tape measure groove 12.

[0023] The first positioning portion 3 is inclined upward. A first mark 4 corresponding to the first positioning portion 3 is provided on the outer surface of the positioning plate 1. In this embodiment, the included angle between the first positioning portion 3 and the horizontal plane is an obtuse angle. When performing positioning and drilling operations on the 43-steel rail, the first recess 2 is fitted to the lower jaw of the head of the 43-steel rail, and the first positioning portion 3 is fitted to the side wall of the 43-steel rail. Then, a marking line is drawn on the side wall of the 43-steel rail along the first positioning portion 3, and a marking line is made on the side wall of the 43-steel rail at the position corresponding to the first mark 4. The perpendicular intersection of the two marking lines is the positioning drilling position.

[0024] The second positioning portion 6 is inclined downward. A second mark 7 corresponding to the second positioning portion 6 is further provided on the outer surface of the positioning plate 1; a third mark 10 corresponding to the third positioning portion 9 is further provided on the outer surface of the positioning plate 1. In this embodiment, the included angle between the second positioning portion 6 and the horizontal plane is an acute angle. When performing positioning and drilling operations on the 50-steel rail, the second recess 5 is fitted to the lower jaw of the head of the 50-steel rail, and the second positioning portion 6 is fitted to the side wall of the 50-steel rail. Then, a marking line is drawn on the side wall of the 50-steel rail along the second positioning portion 6, and a marking line is made on the side wall of the 50-steel rail at the position corresponding to the second mark 7. The perpendicular intersection of the two marking lines is the positioning drilling position.

[0025] A plurality of screw holes 14 are arranged at intervals on the positioning plate 1, and the two positioning plates 1 are bolted through the screw holes 14. In this embodiment, the number of screw holes 14 on the positioning plate 1 is seven, and the two positioning plates 1 are fixed by bolts passing through the screw holes on the positioning plate 1.

[0026] When the utility model is in use, when performing positioning and punching operations on the 43# steel rail, first measure the 43# steel rail with a tape measure 13 to determine the distance between the required punching position on the side wall of the 43# steel rail and the end of the 43# steel rail. Then place the punching locator at the position measured by the tape measure 13, fit the first recess 2 with the lower jaw of the 43# steel rail head and the first positioning portion 3 with the side wall of the 43# steel rail. Then draw a marking line on the side wall of the 43# steel rail along the first positioning portion 3, and mark the side wall of the 43# steel rail at the position corresponding to the first mark 4. The perpendicular intersection of the two marking lines is the punching position for positioning the 43# steel rail.

[0027] When performing positioning and punching operations on the 50# steel rail, first measure the 50# steel rail with a tape measure 13 to determine the distance between the required punching position on the side wall of the 50# steel rail and the end of the 50# steel rail. Then place the punching locator at the position measured by the tape measure 13, fit the second recess 5 with the lower jaw of the 50# steel rail head and the second positioning portion 6 with the side wall of the 50# steel rail. Then draw a marking line on the side wall of the 50# steel rail along the second positioning portion 6, and mark the side wall of the 50# steel rail at the position corresponding to the second mark 7. The perpendicular intersection of the two marking lines is the punching position for positioning the 50# steel rail.

[0028] When performing positioning and punching operations on the 60# steel rail, first measure the 60# steel rail with a tape measure 13 to determine the distance between the required punching position on the side wall of the 60# steel rail and the end of the 60# steel rail. Then place the punching locator at the position measured by the tape measure 13, fit the third recess 8 with the lower jaw of the 60# steel rail head and the third positioning portion 9 with the side wall of the 60# steel rail. Then draw a marking line on the side wall of the 60# steel rail along the third positioning portion 9, and mark the side wall of the 60# steel rail at the position corresponding to the third mark 10. The perpendicular intersection of the two marking lines is the punching position for positioning the 60# steel rail.

[0029] The above-described embodiments are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, any equivalent changes or modifications made to the technical solutions described within the scope of the utility model patent should be included within the scope of the utility model's patent application.

Claims

1. A rail drilling locator, characterized in that, It includes two positioning plates (1) with the same size and structure. The two positioning plates (1) are arranged oppositely. A circular groove (11) is formed on one side of each of the two positioning plates (1). The space between the two circular grooves (11) forms a tape measure cavity. A tape measure (13) is arranged inside the tape measure cavity. One end of the tape of the tape measure (13) extends outside the two positioning plates (1). A first recess (2) and a first positioning portion (3) are arranged on one side of the positioning plate (1). A third recess (8) and a third positioning portion (9) are arranged on the other side of the positioning plate (1). A second recess (5) and a second positioning portion (6) are arranged at the bottom of the positioning plate (1).

2. The rail drilling positioner according to claim 1, characterized in that, A tape slot (12) is formed inside the positioning plate (1). The tape slot (12) communicates with the circular groove (11). One end of the tape of the tape measure (13) passes through the tape slot (12) and extends outside the two positioning plates (1).

3. The rail hole punching positioner according to claim 1, characterized in that, The first positioning portion (3) is inclined upward. A first mark (4) corresponding to the first positioning portion (3) is arranged on the outer surface of the positioning plate (1).

4. The rail hole punching locator according to claim 1, characterized in that, The second positioning portion (6) is inclined downward. A second mark (7) corresponding to the second positioning portion (6) is further arranged on the outer surface of the positioning plate (1). A third mark (10) corresponding to the third positioning portion (9) is further arranged on the outer surface of the positioning plate (1).

5. The rail drilling locator according to claim 1, characterized in that A plurality of screw holes (14) are arranged on the positioning plate (1) at intervals. The two positioning plates (1) are bolted through the screw holes (14).

Images