Railway overhead line system foundation mold

Abstract

The utility model relates to a railway overhead line system foundation mold which comprises two main steel channels and at least two auxiliary steel channels. The two pieces of main channel steel are connected through auxiliary channel steel, so that a closed frame structure is formed between the main channel steel and the auxiliary channel steel; the cross section of the auxiliary channel steel is of a half-square-shaped structure, and sawtooth strip structures are arranged on the side walls of the two sides of the interior of the auxiliary channel steel in the length direction of the auxiliary channel steel. The device further comprises a bolt fixing sleeve, the bolt fixing sleeve is detachably installed in the auxiliary channel steel, and a plurality of sawteeth matched with the sawtooth strip structures in a meshed mode are arranged on the outer wall of the bolt fixing sleeve, so that the bolt fixing sleeve is limited in the length direction of the auxiliary channel steel. A bolt cylinder for placing a bolt is formed in the bolt fixing sleeve; the device is easy to mount and dismount and more convenient to overhaul and maintain.

Description

Technical Field

[0001] The utility model belongs to the technical field of basic moulds, in particular to a basic mould for a railway contact network. Background Art

[0002] At present, the existing contact network foundation molds on the market are all in an integral form. One basic model can only correspond to one basic mold, so a large number of molds of various models will be required during foundation construction. Therefore, in response to these problems, it is necessary to improve the structural form to avoid the situation where one basic model must use one basic mold and the basic mold is easy to deform. By improving the basic mold, one mold can be applied to multiple contact network foundation constructions and can be more widely used in railway contact network foundation construction and other working conditions.

[0003] The size of the basic mold and the bolt spacing can be adjusted according to the basic model, so that one mold can be suitable for all contact network foundation construction. This improves the construction efficiency of the contact network foundation, reduces the number and types of basic molds, and increases the stability of the basic molds.

[0004] Therefore, a railway contact network foundation mold is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The utility model solves the technical problem by adopting the following technical solutions:

[0006] A railway contact network basic mold, characterized in that it comprises two main channel steels and at least two auxiliary channel steels; the two main channel steels are connected by the auxiliary channel steels, so that a closed frame structure is formed between the main channel steels and the auxiliary channel steels;

[0007] The cross section of the auxiliary channel steel is a half-mouth-shaped structure, and the side walls on both sides of the inside are provided with sawtooth structures along the length direction thereof;

[0008] It also includes a bolt fixing sleeve, which is detachably installed in the auxiliary channel steel, and a plurality of saw teeth that mesh with the sawtooth structure are arranged on the outer wall of the bolt fixing sleeve, so that the bolt fixing sleeve is limited in the length direction of the auxiliary channel steel;

[0009] A bolt tube for accommodating the bolt is formed in the bolt fixing sleeve.

[0010] Furthermore, when the two main channel steels are connected by auxiliary channel steels, the numbers of the auxiliary channel steels connected on both sides are equal.

[0011] Furthermore, a plurality of bolt holes are arranged along the length direction of the main channel steel and the auxiliary channel steel, so that the connection position between the main channel steel and the auxiliary channel steel is adjustable.

[0012] Furthermore, there is at least one bolt fixing sleeve in the auxiliary channel steel.

[0013] Furthermore, the bolt tube is a through-tube structure, one end of which is vertically outwardly formed into a step structure.

[0014] The advantages and positive effects of the utility model are:

[0015] The railway contact network basic mold provided by the utility model solves the problem that one basic model can only correspond to one basic mold by improving the structural form; the basic mold size can be changed by the main channel steel and the auxiliary channel steel, and can be applicable to various contact network foundation constructions, thereby ensuring its flexibility after installation; and the bolt fixing sleeve can be replaced according to the basic bolt model, and the position of the bolt fixing sleeve can be adjusted to the specific position and quantity according to the basic model, so the installation and disassembly are simple, and it is more convenient for inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The technical solution of the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it should be understood that these drawings are designed only for the purpose of explanation and are not intended to limit the scope of the utility model. In addition, unless otherwise specified, these drawings are only intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.

[0017] Figure 1 It is a structural schematic diagram of a railway contact network foundation mold provided by an embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a railway contact network basic mold provided by an embodiment of the utility model after the position and quantity of the bolt fixing sleeves are adjusted;

[0019] Figure 3 It is a cross-sectional schematic diagram of a secondary channel steel of a railway contact network foundation mold provided by an embodiment of the utility model;

[0020] Figure 4 It is a top view schematic diagram of a bolt fixing sleeve of a railway contact network basic mold provided by an embodiment of the utility model;

[0021] Figure 5 It is a schematic cross-sectional view of a bolt fixing sleeve of a railway contact network basic mold provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0022] First of all, it should be noted that the specific structure, features and advantages of the present invention will be specifically described below by way of example, but all descriptions are only for illustration and should not be understood as limiting the present invention in any way. In addition, any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature displayed or implied in the drawings, can still be combined or deleted between these technical features (or their equivalents) to obtain more other embodiments of the present invention that may not be directly mentioned in this document. In addition, in order to simplify the drawings, the same or similar technical features may be marked in only one place in the same drawing.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0024] Example 1

[0025] like Figure 1-5 As shown, a railway contact network basic mold provided by this embodiment includes two main channel steels 1 and at least two auxiliary channel steels 2; the two main channel steels are connected by auxiliary channel steels, so that a closed frame structure is formed between the main channel steels and the auxiliary channel steels; it should be noted that when the two main channel steels are connected by auxiliary channel steels, the number of auxiliary channel steels connected on both sides is equal; that is, when there are two auxiliary channel steels, the two ends of the two main channel steels are connected by one auxiliary channel steel respectively; when there are four auxiliary channel steels, the two ends of the two main channel steels are connected by two auxiliary channel steels respectively;

[0026] Specifically, the cross section of the auxiliary channel steel is a half-mouth-shaped structure, and a sawtooth structure 3 is provided on the side walls on both sides of the inside along the length direction thereof;

[0027] It also includes a bolt fixing sleeve 4, which is detachably installed in the auxiliary channel steel. A plurality of saw teeth 5 that mesh with the sawtooth bar structure are arranged on the outer wall of the bolt fixing sleeve, so that the bolt fixing sleeve is limited in the length direction of the auxiliary channel steel. When the saw teeth are arranged on the outer wall of the bolt fixing sleeve, continuous saw teeth or scattered saw teeth can be considered, as long as the sawtooth bar structure can be meshed to achieve the purpose of limiting the bolt fixing sleeve; Figure 1 As shown, the position and number of the bolt fixing sleeves in the auxiliary channel steel can be adjusted according to actual construction needs;

[0028] In addition, a bolt barrel 6 for placing the bolt is formed in the bolt fixing sleeve. The bolt barrel is a through cylindrical structure, and a step structure is formed vertically outward at one end. The step structure is for facilitating the removal and placement of the bolt barrel in the bolt fixing sleeve. In addition, in order to accommodate the placement of bolts of different sizes, the bolt barrel is made into models with different inner wall thicknesses.

[0029] It should be noted that in this embodiment, a plurality of bolt holes are arranged along the length direction of the main channel steel and the auxiliary channel steel, so that the connection position between the main channel steel and the auxiliary channel steel can be adjusted; of course, other connection methods can also be used to make the connection position between the main channel steel and the auxiliary channel steel adjustable.

[0030] As an example, in specific applications, the main channel steel and the auxiliary channel steel are adjusted according to the foundation size and then connected and fixed by bolts. The position and number of the bolt fixing sleeves are determined according to the construction requirements. Finally, the bolt fixing sleeves are clamped and limited by the serrations and the serrated bar structure in the auxiliary channel steel.

[0031] The above embodiments describe the present invention in detail, but the above contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of application of the present invention shall still fall within the scope of the patent coverage of the present invention.

Claims

1. A railway contact network basic mold, characterized in that: It comprises two main channel steels and at least two auxiliary channel steels; the two main channel steels are connected by the auxiliary channel steels, so that a closed frame structure is formed between the main channel steels and the auxiliary channel steels; The cross section of the auxiliary channel steel is a half-mouth-shaped structure, and the side walls on both sides of the inside are provided with sawtooth structures along the length direction thereof; It also includes a bolt fixing sleeve, which is detachably installed in the auxiliary channel steel, and a plurality of saw teeth that mesh with the sawtooth bar structure are arranged on the outer wall of the bolt fixing sleeve, so that the bolt fixing sleeve is limited in the length direction of the auxiliary channel steel; A bolt tube for accommodating the bolt is formed in the bolt fixing sleeve.

2. A railway contact network basic mold according to claim 1, characterized in that: When the two main channel steels are connected by auxiliary channel steels, the number of auxiliary channel steels connected on both sides is equal.

3. The railway contact network basic mold according to claim 1, characterized in that: A plurality of bolt holes are arranged along the length direction of the main channel steel and the auxiliary channel steel, so that the connection position between the main channel steel and the auxiliary channel steel can be adjusted.

4. The railway contact network basic mold according to claim 1, characterized in that: There is at least one bolt fixing sleeve in the auxiliary channel steel.

5. The railway contact network basic mold according to claim 1, characterized in that: The bolt tube is a through-tube structure, one end of which is vertically outwardly formed into a step structure.

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