Simplified steel cantilever pre-assembling platform

Abstract

The utility model provides a simplified steel cantilever pre-assembling platform which comprises a linear guide rail, a workpiece to be assembled, a pre-assembling tool, an end positioning tool and a carrier roller sliding table, the pre-assembling tool and the carrier roller sliding table are both connected with the linear guide rail in a sliding mode, the end positioning tool is fixed to the tail end of the linear guide rail, and the workpiece to be assembled is arranged on the outer side of a steel cantilever in a sleeved mode. The steel cantilever is borne by the carrier roller sliding table, the pre-assembling tool is in friction connection with a to-be-assembled workpiece so as to pre-assemble the to-be-assembled workpiece, and the end positioning tool is detachably connected with the end of the steel cantilever so as to fix the steel cantilever. The steel cantilever pre-assembling device has the advantages that simplified steel cantilevers of various specifications can be pre-assembled in a compatible mode, and pre-assembling efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of high - speed rail catenary, and particularly relates to a pre - assembly platform for a simplified and unified steel wrist arm. Background Technique

[0002] The pre - assembly of traditional steel wrist arms usually relies on manual installation processes, which require more technical expertise and precise manual adjustment. This method faces problems such as low pre - assembly efficiency and difficulty in ensuring accuracy. In contrast, the simplified and unified steel wrist arm simplifies the installation process by adopting standardized and modular designs, thus improving the pre - assembly efficiency. In the prior art, the simplified and unified steel wrist arm is often pre - assembled manually, but the existing pre - assembly equipment for simplified and unified steel wrist arms has the disadvantages of poor adjustment flexibility and inability to be compatible with pre - assembling various specifications of simplified and unified steel wrist arms, resulting in reduced pre - assembly efficiency. Content of the Utility Model

[0003] In view of this, the utility model aims to provide a pre - assembly platform for a simplified and unified steel wrist arm to be compatible with pre - assembling various specifications of simplified and unified steel wrist arms and improve the pre - assembly efficiency.

[0004] To achieve the above - mentioned purpose, the technical solution of the utility model is realized as follows:

[0005] Pre - assembly platform for a simplified and unified steel wrist arm.

[0006] Furthermore, it includes a linear guide rail, a pre - assembly tooling, an end - positioning tooling, a roller slide, and a workpiece to be pre - assembled. Both the pre - assembly tooling and the roller slide are slidably connected to the linear guide rail. The end - positioning tooling is fixed at the end of the linear guide rail, and the workpiece to be pre - assembled is sleeved outside the steel wrist arm;

[0007] The steel wrist arm is carried by the roller slide. The pre - assembly tooling is friction - connected to the workpiece to be pre - assembled for pre - assembling the workpiece to be pre - assembled, and the end - positioning tooling is detachably connected to the end of the steel wrist arm to fix the steel wrist arm.

[0008] Furthermore, the pre - assembly tooling includes a base, a ground rail, a positioning wedge assembly, and a support block. The base is slidably connected to the linear guide rail. Both the ground rail and the support block are fixed on the base, and the positioning wedge assembly is slidably connected to the ground rail;

[0009] The workpiece to be pre - assembled is placed on the support block, and the positioning wedge assembly is clamped to the side of the workpiece to be pre - assembled for axially fixing the workpiece to be pre - assembled.

[0010] Furthermore, the positioning wedge assembly includes a slider, a wedge block, and a right - angled block. The bottom surface of the right - angled block is fixedly connected to the slider, the side surface of the right - angled block is fixedly connected to the wedge block, the wedge block is clamped to the workpiece to be pre - assembled, and the slider is slidably connected to the ground rail for clamping / releasing the workpiece to be pre - assembled.

[0011] Further, the pre-assembly tooling further includes a limit baffle and a limit screw. The limit screw and the limit baffle are respectively installed at both ends of the ground rail. The limit screw is located at one end close to the supporting block, and the limit baffle is located at one end far from the supporting block, and is used to limit the sliding stroke of the positioning wedge assembly on the ground rail.

[0012] Further, it further includes an elbow clamp. The elbow clamp is fixed on the base and is located on the side of the ground rail, and is used to clamp / release the positioning wedge assembly.

[0013] Further, the end positioning tooling is provided with an elbow clamp, and the elbow clamp is used to clamp / release the end of the steel cantilever.

[0014] Further, the workpiece to be assembled is a positioning ring, a support connector, a cantilever connector or a contact wire holder. The workpiece to be assembled is assembled to the corresponding part of the steel cantilever through the pre-assembly tooling.

[0015] Compared with the prior art, the simplified steel cantilever pre-assembly platform of the present invention has the following beneficial effects:

[0016] (1) For the simplified steel cantilever pre-assembly platform of the present invention, the steel cantilever is carried by the roller slide table. The pre-assembly tooling is frictionally connected with the workpiece to be assembled to pre-assemble the workpiece to be assembled. The end positioning tooling is detachably connected with the end of the steel cantilever to fix the steel cantilever. Among them, the pre-assembly tooling and the end positioning tooling are general toolings and can be adapted to the pre-assembly of steel cantilevers and workpieces to be assembled of different specifications;

[0017] (2) For the simplified steel cantilever pre-assembly platform of the present invention, the pre-assembly tooling slides on the linear guide rail to adjust the pre-assembly position of the workpiece to be assembled. At the same time, the roller slide table provides support to facilitate the sliding of the pre-assembly tooling, improving the pre-assembly efficiency of the workpiece to be assembled of the steel cantilever;

[0018] (3) For the simplified steel cantilever pre-assembly platform of the present invention, the limit screw and the limit baffle are respectively installed at both ends of the ground rail. The limit screw is located at one end close to the supporting block, and the limit baffle is located at one end far from the supporting block, and is used to limit the sliding stroke of the positioning wedge assembly on the ground rail, preventing the main body part of the positioning wedge assembly from sliding out of the ground rail. By adjusting the installation position of the limit screw, the limit position of the wedge block and the workpiece to be assembled can be adjusted to adapt to the pre-assembly of different specifications and workpieces to be assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 It is a schematic axonometric view of the simplified steel cantilever pre-assembly platform described in the embodiment of the present invention;

[0021] Figure 2 Schematic diagram of a partial axonometric view of the simplified steel catenary pre-assembly platform according to an embodiment of the present utility model;

[0022] Figure 3 Schematic diagram of an axonometric view of the pre-assembly tooling according to an embodiment of the present utility model;

[0023] Figure 4 Schematic diagram of an exploded view of the pre-assembly tooling according to an embodiment of the present utility model.

[0024] Explanation of reference numerals:

[0025] 1 - linear guide rail; 2 - pre-assembly tooling; 201 - slider; 202 - wedge block; 203 - right-angle block; 204 - limit baffle; 205 - limit screw; 206 - base; 207 - floor rail; 208 - support block; 3 - end positioning tooling; 4 - roller slide table; 5 - workpiece to be assembled; 6 - steel catenary; 7 - elbow clamp. Detailed implementation manners

[0026] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0027] The present utility model will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] As Figures 1 to 2 shown, the simplified steel catenary 6 pre-assembly platform includes a linear guide rail 1, a pre-assembly tooling 2, an end positioning tooling 3, a roller slide table 4, and a workpiece to be assembled 5. The pre-assembly tooling 2 and the roller slide table 4 are both slidably connected to the linear guide rail 1. The end positioning tooling 3 is fixed at the end of the linear guide rail 1. The workpiece to be assembled 5 is sleeved outside the steel catenary 6. The steel catenary 6 is carried by the roller slide table 4. The pre-assembly tooling 2 is in frictional connection with the workpiece to be assembled 5 to pre-assemble the workpiece to be assembled 5. The end positioning tooling 3 is detachably connected to the end of the steel catenary 6 to fix the steel catenary 6. Among them, the pre-assembly tooling 2 and the end positioning tooling 3 are general toolings that can adapt to the pre-assembly of different specifications of steel catenaries 6 and workpieces to be assembled 5.

[0029] Specifically, the pre-assembly tooling 2 includes a base 206, a floor rail 207, a positioning wedge assembly, and a support block 208. The base 206 is slidably connected to the linear guide rail 1. The floor rail 207 and the support block 208 are both fixed on the base 206. The positioning wedge assembly is slidably connected to the floor rail 207. The workpiece to be assembled 5 is placed on the support block 208. The positioning wedge assembly is clamped to the side surface of the workpiece to be assembled 5 for axially fixing the workpiece to be assembled 5. The pre-assembly tooling 2 slides on the linear guide rail 1 to adjust the pre-assembly position of the workpiece to be assembled 5. At the same time, the roller slide table 4 provides support to facilitate the sliding of the pre-assembly tooling 2.

[0030] Specifically as Figures 3 to 4As shown in the figure, the main body of the positioning wedge assembly is composed of a slider 201, a wedge block 202, and a right-angle block 203. The bottom surface of the right-angle block 203 is fixedly connected to the slider 201 by screws, and the side surface of the right-angle block 203 is fixedly connected to the wedge block 202 by screws. The wedge block 202 is clamped with the workpiece 5 to be matched, and the upper and lower surfaces of the wedge block 202 are embedded and in frictional contact with the workpiece 5 to be matched. The slider 201 is slidably connected to the ground rail 207, and the sliding direction is perpendicular to the linear guide rail 1, and is used to cooperate with the wedge block 202 to clamp / release the workpiece 5 to be matched.

[0031] Optionally, the pre-assembly tooling 2 further includes a limit baffle 204 and a limit screw 205. The limit screw 205 and the limit baffle 204 are respectively installed at both ends of the ground rail 207. The limit screw 205 is located at one end close to the support block 208, and the limit baffle 204 is located at one end far from the support block 208, and is used to limit the sliding stroke of the positioning wedge assembly on the ground rail 207 to prevent the main body part of the positioning wedge assembly from sliding out of the ground rail 207. By adjusting the installation position of the limit screw 205, the limit position of the wedge block 202 and the workpiece 5 to be matched can be adjusted to adapt to the pre-assembly of workpieces 5 with different specifications.

[0032] Optionally, it further includes an elbow clamp 7. The elbow clamp 7 is fixed on the base 206 and is located on the side of the ground rail 207, and is used to clamp / loosen the positioning wedge assembly. The end positioning tooling 3 is provided with an elbow clamp 7, and the elbow clamp 7 is used to clamp / loosen the end of the steel wrist arm 6. The workpiece 5 to be matched is a positioning ring or a support connector or a wrist arm connector or a contact wire support. The workpiece 5 to be matched is assembled to the corresponding part of the steel wrist arm 6 through the pre-assembly tooling 2.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. Simplified steel wrist arm pre-assembly platform, characterized in that: It includes linear guide rails, workpieces to be assembled, pre-assembly tooling, end positioning tooling, and roller slides. Both the pre-assembly tooling and the roller slides are slidably connected to the linear guide rails. The end positioning tooling is fixed at the end of the linear guide rails. The workpieces to be assembled are sleeved outside the steel cantilever arms. The steel cantilever arms are supported by the roller slides. The pre-assembly tooling is frictionally connected to the workpieces to be assembled for pre-assembling the workpieces to be assembled. The end positioning tooling is detachably connected to the ends of the steel cantilever arms to fix the steel cantilever arms.

2. The simplified steel wrist arm pre-assembly platform according to claim 1, wherein: The pre-assembly tooling includes a base, a ground rail, a positioning wedge assembly, and a support block. The base is slidably connected to the linear guide rails. The ground rail and the support block are both fixed on the base. The positioning wedge assembly is slidably connected to the ground rail. The workpieces to be assembled are placed on the support block. The positioning wedge assembly is clamped to the side surface of the workpieces to be assembled for axially fixing the workpieces to be assembled.

3. The simplified steel wrist arm pre-assembly platform according to claim 2, characterized in that: The positioning wedge assembly includes a slider, a wedge block, and a right-angle block. The bottom surface of the right-angle block is fixedly connected to the slider. The side surface of the right-angle block is fixedly connected to the wedge block. The wedge block is clamped to the workpieces to be assembled. The slider is slidably connected to the ground rail for clamping / releasing the workpieces to be assembled.

4. The simplified pre-assembly platform for steel cantilever according to claim 3, characterized in that: The pre-assembly tooling further includes a limit baffle and a limit screw. The limit screw and the limit baffle are respectively installed at both ends of the ground rail. And the limit screw is located at one end close to the support block, and the limit baffle is located at one end far from the support block, for limiting the sliding stroke of the positioning wedge assembly on the ground rail.

5. The simplified pre-assembly platform for steel cantilever according to claim 3, characterized in that: It further includes an elbow clamp. The elbow clamp is fixed on the base and located on the side of the ground rail, for clamping / releasing the positioning wedge assembly.

6. The simplified steel wrist arm pre-assembly platform according to claim 1, characterized in that: The end positioning tooling is provided with an elbow clamp, and the elbow clamp is used for clamping / releasing the ends of the steel cantilever arms.

7. The simplified steel wrist arm pre-assembly platform according to claim 1, characterized in that: The workpieces to be assembled are positioning rings or support connectors or cantilever connectors or messenger supports. The workpieces to be assembled are assembled to the corresponding parts of the steel cantilever arms through the pre-assembly tooling.

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