End positioning device for preassembling simplified steel positioning pipe
By designing an end positioning device for simplifying the steel positioning pipe, the complex positioning and fixing process of steel positioning pipe pre-loading in the prior art is solved, and higher positioning accuracy and fixing stability are achieved.
Patent Information
- Application Number
- CN202421845385.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-31
AI Technical Summary
In the existing contact network manufacturing technology, the end positioning and fixing process of simplified steel positioning pipes during pre-loading is complicated, resulting in poor positioning accuracy and fixing effect.
A simplified end positioning device for pre-adjusting steel positioning pipes is designed, including a base, elbow clip, positioning pin and L-shaped sliding channel. Through the removable connection and precise positioning of these components, the axial positioning and fixing of the steel positioning pipes is realized.
By simplifying the positioning and fixing process, the device improves the positioning accuracy and fixing stability of the steel positioning pipe, reduces the operation complexity, and improves the adjustability and maintainability of the system.
Smart Images

Figure CN222857709U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of contact network manufacturing, in particular to an end positioning device for pre-fitting a simplified steel positioning pipe. Background Art
[0002] In modern high-speed railway systems, the design and application of steel positioning tubes emphasize standardization and modularization to improve pre-assembly efficiency and system performance. During the pre-assembly stage, steel positioning tubes usually integrate multiple functions and adjustment mechanisms, such as adjustable length settings and pre-installed fixing components to adapt to different environments and track conditions. Simplified steel positioning tubes need to be positioned and fixed during pre-assembly, but the existing assembly tooling structure is complex, resulting in a lengthy operation process, and the fixing effect and positioning accuracy often fail to meet the expected expectations. Utility Model Content
[0003] In view of this, the utility model aims to provide an end positioning device for pre-fitting of simplified steel positioning tubes, so as to simplify the positioning and fixing process during pre-fitting of simplified steel positioning tubes and improve the fixing effect and positioning accuracy.
[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:
[0005] The invention discloses a simplified end positioning device for pre-assembly of steel positioning pipes.
[0006] Furthermore, it includes a platform, a ground rail, and a steel positioning tube. The ground rail is fixed on the platform, the end device is fixedly connected to the ground rail, and the end of the steel positioning tube is detachably connected to the end device. The end device includes a base, a toggle clamp, and a positioning pin. The base is fixed on the ground rail, the toggle clamp and the positioning pin are respectively fixed at both ends of the base, and a through hole is provided on the upper part of the base for the positioning pin to pass through the through hole and plug into the end of the steel positioning tube;
[0007] One side surface of the end of the steel positioning tube abuts against the side surface of the column, and the other side surface abuts against the elbow clamp, so as to realize the axial positioning and fixation of the steel positioning tube.
[0008] Furthermore, the ground rail is provided with two parallel linear slideways, and the base is fixed between the two linear slideways by bolts.
[0009] Furthermore, it also includes a bracket, which is a right-angle bracket and is provided with reinforcing ribs, one right-angle side surface of the bracket is a mounting surface and is fixed to the upper part of the base by bolts, and the toggle clamp is fixedly connected to the other right-angle side surface thereof by bolts;
[0010] The mounting surface of the bracket is perpendicular to the mounting surface of the positioning pin.
[0011] Furthermore, the positioning pin includes a shaft, a pin tube, and a sliding shaft. A mounting platform is provided at the bottom of the pin tube, and the mounting platform is fixedly connected to the base by bolts. A sliding channel is provided on the side wall of the pin tube, and a through hole is provided on the sliding shaft, and the sliding shaft is embedded in the pin tube.
[0012] The shaft rod passes through the pin tube sliding channel and the sliding shaft through hole, and the shaft rod slides in the sliding channel to drive the sliding shaft to slide in the pin tube.
[0013] Furthermore, the sliding channel is an L-shaped channel; when the sliding shaft is located at the head end of the L-shaped channel, the sliding shaft is away from the end of the steel positioning tube to loosen the steel positioning tube; when the sliding shaft is located at the tail end of the L-shaped channel, the sliding shaft is close to the end of the steel positioning tube to insert the steel positioning tube.
[0014] Furthermore, a conical protrusion is provided at one end of the sliding shaft away from the shaft rod, and the conical protrusion matches the size of the center hole of the end of the steel positioning tube and is used to position the steel positioning tube.
[0015] Furthermore, when the toggle clamp abuts against the steel positioning tube, the pressing sheet end surface of the toggle clamp is perpendicular to the axial direction of the sliding shaft.
[0016] Compared with the prior art, the simplified end positioning device for pre-fitting steel positioning pipes described in the utility model has the following beneficial effects:
[0017] (1) The simplified end positioning device for pre-fitting of steel positioning tubes described in the utility model realizes axial positioning and fixation of the steel positioning tube by providing a through hole and a positioning pin on the base, and a detachable connection between the elbow clamp and the end of the steel positioning tube, thereby ensuring that the steel positioning tube maintains a precise position during the pre-fitting process, and improving the positioning accuracy and stability of the entire system;
[0018] (2) The simplified end positioning device for pre-fitting the steel positioning tube described in the utility model has an L-shaped sliding channel design that allows the positioning pin to be easily inserted into and released from the steel positioning tube, thereby improving the adjustability and maintainability of the system;
[0019] (3) The simplified end positioning device for pre-fitting the steel positioning tube described in the utility model has a conical protrusion of the positioning pin that matches the size of the center hole of the end of the steel positioning tube, ensuring a firm connection during insertion and providing a reliable connection method. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:
[0021] Figure 1 This is a schematic diagram of an axonometric view of the end device according to an embodiment of the utility model;
[0022] Figure 2 This is a schematic diagram of an axonometric view of the end device according to an embodiment of the utility model;
[0023] Figure 3 It is a schematic diagram of an exploded view of the terminal device described in an embodiment of the utility model.
[0024] Description of reference numerals:
[0025] 1- platform; 2- ground rail; 3- steel positioning tube; 4- base; 5- elbow clamp; 6- positioning pin; 601- shaft rod; 602- pin tube; 603- sliding shaft; 7- bracket. DETAILED DESCRIPTION
[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0028] like Figure 1 As shown, the simplified end positioning device for pre-fitting of steel positioning tubes includes a platform 1, a ground rail 2, and a steel positioning tube 3. The ground rail 2 is fixed on the platform 1, the end device is fixedly connected to the ground rail 2, and the end of the steel positioning tube 3 is detachably connected to the end device. The end device includes a base 4, a toggle clamp 5, and a positioning pin 6. The base 4 is fixed on the ground rail 2. The toggle clamp 5 and the positioning pin 6 are respectively fixed at both ends of the base 4. A through hole is provided on the upper part of the base 4, and the positioning pin 6 passes through the through hole and is plugged into the end of the steel positioning tube 3; one side of the end of the steel positioning tube 3 abuts against the side of the column, and the other side abuts against the toggle clamp 5, so as to realize the axial positioning and fixation of the steel positioning tube 3.
[0029] Specifically, the ground rail 2 is provided with two parallel linear slideways, and the base 4 is fixed between the two linear slideways by bolts, preferably fixed in the middle of the linear slideways to serve as a reference for positioning the steel positioning tube 3 .
[0030] Specific as Figure 2 As shown, the end device also includes a bracket 7, which is a right-angled bracket 7 and is provided with reinforcing ribs. One right-angled side surface of the bracket 7 is a mounting surface and is fixed to the upper part of the base 4 by bolts, and the elbow clamp 5 is fixedly connected to its other right-angled side surface by bolts; the mounting surface of the bracket 7 is perpendicular to the mounting surface of the positioning pin 6.
[0031] like Figure 3As shown, the positioning pin 6 includes a shaft 601, a pin tube 602, and a sliding shaft 603. A mounting platform is provided at the bottom of the pin tube 602, and the mounting platform is fixedly connected to the base 4 by bolts. The side wall of the pin tube 602 is provided with a penetrating sliding channel, and the sliding shaft 603 is provided with a through hole, and the sliding shaft 603 is embedded in the pin tube 602; the shaft 601 passes through the sliding channel of the pin tube 602 and the through hole of the sliding shaft 603, and the shaft 601 slides in the sliding channel to drive the sliding shaft 603 to slide in the pin tube 602. In order to make the positioning pin 6 plug in / release the steel positioning tube 3, the sliding channel is an L-shaped channel to set two sliding states of the positioning pin 6: when the sliding shaft 603 is located at the head end of the L-shaped channel, the sliding shaft 603 is away from the end of the steel positioning tube 3 to release the steel positioning tube 3; when the sliding shaft 603 is located at the tail end of the L-shaped channel, the sliding shaft 603 is close to the end of the steel positioning tube 3 to plug in the steel positioning tube 3.
[0032] Specifically, a conical protrusion is provided at one end of the sliding shaft 603 away from the shaft rod 601 , and the conical protrusion matches the size of the center hole of the end of the steel positioning tube 3 , and is used for inserting and positioning the steel positioning tube 3 .
[0033] Specifically, when the toggle clamp 5 abuts against the steel positioning tube 3 , the pressing sheet end surface of the toggle clamp 5 is perpendicular to the axial direction of the sliding shaft 603 .
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.
[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. The simplified end positioning device for pre-fitting steel positioning pipes comprises a platform, a ground rail, and a steel positioning pipe. The ground rail is fixed on the platform, the end device is fixedly connected to the ground rail, and the end of the steel positioning pipe is detachably connected to the end device. The characteristics are: It includes a base, a toggle clamp and a positioning pin. The base is fixed on the ground rail. The toggle clamp and the positioning pin are respectively fixed at both ends of the base. A through hole is provided on the upper part of the base for the positioning pin to pass through the through hole and be plugged into the end of the steel positioning tube. One side surface of the end of the steel positioning tube abuts against the side surface of the column, and the other side surface abuts against the elbow clamp, so as to realize the axial positioning and fixation of the steel positioning tube.
2. The simplified end positioning device for pre-assembly of steel positioning pipes according to claim 1 is characterized in that: The ground rail is provided with two parallel linear slideways, and the base is fixed between the two linear slideways by bolts.
3. The simplified end positioning device for pre-assembly of steel positioning pipes according to claim 1 is characterized in that: It also includes a bracket, which is a right-angle bracket and is provided with reinforcing ribs, one right-angle side of the bracket is a mounting surface and is fixed to the upper part of the base by bolts, and the toggle clamp is fixedly connected to the other right-angle side thereof by bolts; The mounting surface of the bracket is perpendicular to the mounting surface of the positioning pin.
4. The simplified end positioning device for pre-assembly of steel positioning pipes according to claim 1 is characterized in that: The positioning pin includes a shaft, a pin tube, and a sliding shaft. A mounting platform is provided at the bottom of the pin tube, and the mounting platform is fixedly connected to the base through bolts. A through sliding channel is provided on the side wall of the pin tube, and a through hole is provided on the sliding shaft, and the sliding shaft is embedded in the pin tube. The shaft rod passes through the pin tube sliding channel and the sliding shaft through hole, and the shaft rod slides in the sliding channel to drive the sliding shaft to slide in the pin tube.
5. The simplified end positioning device for pre-assembly of steel positioning pipes according to claim 4 is characterized in that: The sliding channel is an L-shaped channel; when the sliding shaft is located at the head end of the L-shaped channel, the sliding shaft is away from the end of the steel positioning tube to loosen the steel positioning tube; when the sliding shaft is located at the tail end of the L-shaped channel, the sliding shaft is close to the end of the steel positioning tube to insert the steel positioning tube.
6. The simplified end positioning device for pre-assembly of steel positioning pipes according to claim 4, characterized in that: A conical protrusion is provided at one end of the sliding shaft away from the shaft rod, and the conical protrusion matches the size of the center hole of the end of the steel positioning tube and is used for positioning the steel positioning tube.
7. The simplified end positioning device for pre-assembly of steel positioning pipes according to claim 4 is characterized in that: When the toggle clamp abuts against the steel positioning tube, the pressing piece end surface of the toggle clamp is perpendicular to the axial direction of the sliding shaft.