CN219032797U

CN219032797U - Ballast bed expansion joint template positioning device

Info

Publication number: CN219032797U
Application number: CN202222902405.7U
Authority: CN
Inventors: 欧阳飞飞; 石瑞强; 徐超; 陈盼; 史雪松; 王志朋; 韩耀耀; 郝旺杭
Original assignee: Line And Bridge Engineering Co ltd Of China Railway No3 Engineering Group Co ltd; China Railway No 3 Engineering Group Co Ltd
Current assignee: Line And Bridge Engineering Co ltd Of China Railway No3 Engineering Group Co ltd; China Railway No 3 Engineering Group Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-16
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of urban rail transit track engineering, in particular to a track bed expansion joint template positioning device, which comprises a handle, a steel plate, a limiting rod and fixed round steel, wherein the handle is arranged in the middle of the upper end face of the steel plate, the middle of the bottom end face of the steel plate is fixedly connected with the fixed round steel, both the left end and the right end of the steel plate are provided with sliding grooves, the inner side of each sliding groove is provided with a threaded rod, the bottom end face of each threaded rod is fixedly connected with the limiting rod, and the outer side of the upper end of each threaded rod is spirally connected with a screw cap.

Description

Ballast bed expansion joint template positioning device

Technical Field

The utility model relates to the technical field of urban rail transit track engineering, in particular to a track bed expansion joint template positioning device.

Background

The track bed expansion joint template is a special template for track bed expansion joint forming, and the lower end of the expansion joint template is fixed on longitudinal track bed steel bars through wood wedges and the upper end of the expansion joint template is fixed on sleepers on two sides through the wood wedges for positioning in the using process of the traditional track bed expansion joint template;

however, such a positioning method is complicated in the actual use process, so that the construction efficiency is low, and the problem that the expansion joint is inclined and the surface of the ballast bed is cracked easily occurs when the expansion joint is positioned by adopting the traditional positioning method, so that the ballast bed expansion joint template positioning device is provided for the problem.

Disclosure of Invention

The utility model aims to provide a ballast bed expansion joint template positioning device, which aims to solve the problems of complicated construction of an expansion joint template during fixing and the problems of inclination of an expansion joint and cracking of the surface of a ballast bed caused by instability in the fixing process.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the track bed expansion joint template positioning device comprises a handle, a steel plate, a limiting rod and fixed round steel, wherein the handle is arranged in the middle of the upper end face of the steel plate, the fixed round steel is fixedly connected in the middle of the bottom end face of the steel plate, sliding grooves are formed in the left end and the right end of the steel plate, a threaded rod is arranged on the inner side of the sliding groove, the limiting rod is fixedly connected with the bottom end face of the threaded rod, and a nut is spirally connected to the outer side of the upper end of the threaded rod.

According to the utility model, the number of the fixed round steels fixedly connected in the middle of the bottom end of the steel plate is two, the fixed round steels are arranged in parallel, the diameter of each fixed round steel is 10mm, the steel plate is placed at the upper end position between the sleepers, and the positions of the two sides of the lower end surface of the steel plate are tightly attached to the upper end surfaces of the sleepers.

According to the utility model, the outer side of the lower end of the fixed round steel is provided with the rubber sleeve, and the expansion joint template is tightly attached to the position between the fixed round steel through the rubber sleeve.

According to the utility model, the outer sides of the threaded rods are respectively provided with an elastic washer, and the elastic washers are arranged at positions between the lower ends of the nuts and the upper ends of the steel plates.

The utility model is further optimized, the handle is U-shaped, and the upper end face of the handle and the upper end face of the steel plate are arranged at 90 degrees.

According to the utility model, the outer sides of the upper ends of the limiting rods are fixedly connected with the positioning plates, and the limiting rods and the positioning plates are arranged at 90 degrees.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged steel plate, the limiting rod, the fixed round steel and the nut, the operation can be completed by a single person in the process of fixing the expansion joint template, and the fixed construction of the expansion joint template of 70m can be completed in average per hour, so that the construction efficiency is effectively improved, the stability of the expansion joint template in the fixing process can be further improved, and the problems of deflection of the expansion joint and cracking of the surface of a ballast bed are effectively avoided;

2. according to the utility model, the fixed round steel and the rubber sleeve are arranged, so that expansion joint templates with different thicknesses can be stably limited in the actual use process, and the application range of the whole device in the actual use process is effectively improved;

3. in the utility model, the integral positioning device has a simpler structure, raw materials such as steel plates, round steel, bolts and the like are easy to obtain, the price is low, the manufacturing cost is reduced, and the integral positioning device has good practical value.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall assembly position structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of FIG. 2A according to the present utility model.

In the figure: 1-handle, 2-steel plate, 3-limit rod, 4-nut, 5-fixed round steel, 6-chute, 7-expansion joint template, 8-rubber sleeve, 9-sleeper, 10-locating plate, 11-elastic washer, 12-threaded rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Referring to fig. 1-3, the present utility model provides a technical solution:

the track bed expansion joint template positioning device comprises a handle 1, a steel plate 2, a limiting rod 3 and fixed round steel 5, wherein the handle 1 is arranged in the middle of the upper end face of the steel plate 2, the fixed round steel 5 is fixedly connected in the middle of the bottom end face of the steel plate 2, sliding grooves 6 are formed in the left end and the right end of the steel plate 2, a threaded rod 12 is arranged on the inner side of the sliding grooves 6, the limiting rod 3 is fixedly connected to the bottom end face of the threaded rod 12, and a nut 4 is spirally connected to the outer side of the upper end of the threaded rod 12.

In the specific figures 1 and 2, the number of the fixed round steels 5 fixedly connected in the middle of the bottom end of the steel plate 2 is two, the expansion joint template 7 can be stably limited in the using process through the two fixed round steels 5, the fixed round steels 5 are arranged in parallel, the diameter of the fixed round steel 5 is 10mm, the steel plate 2 is placed at the upper end position between the sleepers 9, the positions of the two sides of the lower end surface of the steel plate 2 are tightly attached to the upper end surface of the sleeper 9, and the arrangement is convenient for stably placing the steel plate 2 on the sleeper 9 for positioning, so that the stability of the whole expansion joint template 7 in the positioning process is further ensured;

specifically as shown in fig. 1 and 2, a rubber sleeve 8 is arranged on the outer side of the lower end of the fixed round steel 5, an expansion joint template 7 is tightly attached to the position between the fixed round steel 5 through the rubber sleeve 8, stability in the process of positioning the expansion joint template 7 can be guaranteed through the arranged rubber sleeve 8, and meanwhile, the expansion joint templates 7 with different thicknesses can be positioned through replacing the rubber sleeves 8 with different thicknesses;

as shown in fig. 3, the outer sides of the threaded rods 12 are respectively provided with an elastic washer 11, the elastic washers 11 are arranged at positions between the lower ends of the nuts 4 and the upper ends of the steel plates 2, and the stability of connection between the nuts 4 and the steel plates 2 in the fixing process can be ensured through the arranged elastic washers 11;

in particular, as shown in fig. 1, the handle 1 is arranged in a U shape, and the upper end surfaces of the handle 1 and the steel plate 2 are arranged at 90 degrees, so that the whole positioning device is convenient to control in the installation process through the arranged handle 1, and certain convenience can be provided in the installation process;

specifically like fig. 1, fig. 2 and fig. 3, the equal fixedly connected with locating plate 10 in the outside of gag lever post 3 upper end, and be 90 setting between gag lever post 3 and the locating plate 10, can carry out inseparable laminating with steel sheet 2 lower terminal surface in the in-process of using, further increased gag lever post 3 in the stability of installation in-process of using.

The working flow is as follows: in the process of positioning the ballast expansion joint template 7: firstly, a worker needs to position the expansion joint templates 7 between sleepers 9, the worker needs to pay attention to the expansion joint templates 7 with specified thickness according to the size requirement of the expansion joint in the process of positioning, after the expansion joint templates 7 are positioned, the worker can position the steel plate 2 at the upper end of the expansion joint templates 7 and limit the expansion joint templates 7 by matching the fixed round steel 5 with the rubber sleeve 8, the requirement of positioning the expansion joint templates 7 with different thicknesses can be met by installing the rubber sleeves 8 with different thicknesses in the process of limiting (in the process of positioning the expansion joint templates 7, the two fixed round steel 5 are respectively arranged at the positions at two sides of the expansion joint templates 7), then the worker moves the limiting rod 3 to the position far away from the center point of the steel plate 2, and make sleeper 9 that gag lever post 3 and expansion joint template 7 both sides set up paste tightly, paste tightly the back, the staff need use the instrument to rotate nut 4, can hug closely the position of gag lever post 3 upper end and steel sheet 2 lower extreme face through nut 4 like this, can be better fix gag lever post 3, this kind of positioner of expansion joint template 7 just needs one person just can accomplish the operation in actual use, moreover, can accomplish the work load to 70m expansion joint template fixed construction per hour, for the original construction efficiency that passes through the fixed mode that the wooden wedge is fixed expansion joint template 7 lower extreme on the longitudinal reinforcement of railway bed and pass through the wooden wedge with expansion joint template 7 upper end fixed on sleeper 9 of both sides can promote 1 time, reduced workman's intensity of labour and construction material's input simultaneously, have good practical value.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The track bed expansion joint template positioning device comprises a handle (1), a steel plate (2), a limiting rod (3) and fixed round steel (5), and is characterized in that: the novel steel handle is characterized in that the handle (1) is arranged in the middle of the upper end face of the steel plate (2), a fixed round steel (5) is fixedly connected in the middle of the bottom end face of the steel plate (2), sliding grooves (6) are formed in the left end and the right end of the steel plate (2), threaded rods (12) are arranged on the inner sides of the sliding grooves (6), limiting rods (3) are fixedly connected to the bottom end face of the threaded rods (12), and nuts (4) are spirally connected to the outer sides of the upper ends of the threaded rods (12).

2. The ballast bed expansion joint template positioning device according to claim 1, wherein: the number of the fixed round steels (5) fixedly connected in the middle of the bottom end of the steel plate (2) is two, the fixed round steels (5) are arranged in parallel, the steel plate (2) is placed at the upper end position between the sleepers (9), and the two sides of the lower end surface of the steel plate (2) are tightly attached to the upper end surfaces of the sleepers (9).

3. The ballast bed expansion joint template positioning device according to claim 1, wherein: the outer side of the lower end of the fixed round steel (5) is provided with a rubber sleeve (8), and an expansion joint template (7) is tightly attached to the position between the fixed round steel (5) through the rubber sleeve (8).

4. The ballast bed expansion joint template positioning device according to claim 1, wherein: the outside of threaded rod (12) all is equipped with elastic washer (11), elastic washer (11) set up the position between nut (4) lower extreme and steel sheet (2) upper end.

5. The ballast bed expansion joint template positioning device according to claim 1, wherein: the handle (1) is U-shaped, and the upper end surfaces of the handle (1) and the steel plate (2) are arranged at 90 degrees.

6. The ballast bed expansion joint template positioning device according to claim 1, wherein: the outside of the upper end of the limiting rod (3) is fixedly connected with a positioning plate (10), and the limiting rod (3) and the positioning plate (10) are arranged at an angle of 90 degrees.