GB2621204A

GB2621204A - Clamping tool for third rail installation

Info

Publication number: GB2621204A
Application number: GB2219801.4A
Authority: GB
Inventors: Pan Like; Chen Liming; Xing Tong; Zhang Haibo; Yang Caizhi; Yuan Yuan; Wei Zhongtang; Du Jianliang; Zhang Lei; Liu Yong; Li Pengfei; Qi Fei; Zhou Yan; Han Bin; Gao Yuanyuan; Yang Senlin
Original assignee: Standards & Metrology Res Institute China Academy Of Railway Sciences Corp Ltd; China Academy of Railway Sciences Corp Ltd CARS; China Railway Test and Certification Center Ltd
Current assignee: Standards & Metrology Res Institute China Academy Of Railway Sciences Corp Ltd; China Academy of Railway Sciences Corp Ltd CARS; China Railway Test and Certification Center Ltd
Priority date: 2022-08-02
Filing date: 2022-12-29
Publication date: 2024-02-07
Anticipated expiration: 2042-12-29
Also published as: GB2621204B; CN115070650A; GB202219801D0; CN115070650B

Abstract

The tool includes a connecting device having a connecting rod 1, a fixed guard plate 2, and an upper base plate 5, the rod connected to a rotary test bench and the plate installed on the rod. One side of a limit adjusting device is connected to the guard plate, the other side provided with a fixing device. The upper base plate connects the fixing device and limit adjusting device together, the limit adjusting device having a connecting base plate 4 and adjustable top rod 9. The plate has a middle connecting plate 15, a limit support 16, and a horizontal base 17. The middle connecting plate is detachably installed at the fixed guard plate and connected to the limit support. The horizontal base is arranged at the bottom of the limit support, the adjustable top rod installed on the connecting rod and pressing against the middle connecting plate. The fixing device has left 6, and right (7, Figure 2), guard plates, the left arranged on the horizontal base. The limit support is configured to limit the position of the left guard plate. A rail 8 is in contact with, and fixed to, the left and right guard plates.

Description

CLAMPING TOOL FOR TUMID RAIL INSTALLATION

TECHNICAL FIELD

10001] The present disclosure relates to the technical field of rail transit, and in particular relates to a clamping tool for third rail installation.

BACKGROUND

100021 Third-rail power supply is one of the important power supply methods for urban rail transit. The actual third rail is laid parallel to the train traveling track to supply power to the train mainly by means of current-carrying sliding friction with the collector shoe on the train. In the laboratory, the third-rail power supply is simulated by circling the third rail and then making the third rail circularly move with the collector shoe, and the wear performance of the third rail is evaluated by the reciprocating current-carrying friction motion between the third rail in the circular motion and collector shoe. The performance of the third rail is mainly judged according to C1/T 414-2012 Technical Requirements of Aiuminum-Sieel Conductor Rail Ihr Urban Rail Mansit 100031 During circular motion of the third rail, it is required that the third rail must be installed reliably; otherwise, the dynamic balance of the third rail cannot be guaranteed when rotating at high speed, affecting the stability of wear performance. If the third rail is not installed firmly, it may fall off in serious cases, so higher requirements are put forward for the installation of the third rail. In the third rail test process at present; the third rail is mainly installed manually with mechanical equipment. Because of its heavy weight and high requirements on installation accuracy, the third rail is mainly fixed by a bridge crane and manual means in the existing installation process, lacking a reliable tool. Moreover, the position and accessories of the third rail need to be constantly adjusted during installation to ensure the dynamic balance and reliability, leading to high installation work intensity, unguaran teed installation accuracy and low efficiency to affect the test progress.

SUNENIARY

100041 An objective of the present disclosure is to provide a clamping tool for third rail installation to solve the problems in the prior art, The circled third rail can be placed on the tool capable of bearing the weight of the third rail, and the positioning and adjustable components of the tool can effectively ensure the accuracy during third rail installation. The tool effectively reduces the labor intensity during manual installation and may ensure the installation accuracy, and the third rail is fixed firmly and reliably to ensure the stability and reliability of the subsequent wear test.

100051 To achieve the objective, the present disclosure provides the following solution: the present disclosure provides a clamping tool for third rail installation, comprising a connecting device., a limit adjusting device and a fixing device.

10006] The connecting device comprises a connecting rod, a fixed guard plate, and an upper base plate. The connecting rod is connected to a main body of a rotary test bench, the fixed guard plate is installed on the connecting rod, one side of the limit adjusting device is connected to the fixed guard plate; the other side of the limit adjusting device is provided -with the fixing device, and the upper base plate is configured to connect the fixing device and the limit adjusting device together.

100071 The limit adjusting; device comprises a connecting base plate and an adjustable top rod. The connecting base plate comprises a middle connecting plate, a limit support, and a horizontal base. The first end of the middle connecting plate is detachably installed at the fixed guard plate, the second end of the middle connecting plate is connected to the limit support, and the horizontal base is arranged at the bottom of the limit support. One end of the adjustable top rod is installed on the connecting rod, and the other end of the adjustable top rod is configured to press against the middle connecting plate.

100081 The fixing device comprises a left guard plate and a right guard plate. The left guard plate is arranged on the horizontal base, and the limit support is configured to limit the position of the left guard plate. The inner side of the third rail is in contact with the left guard plate, the outer side of the third rail is in contact with the right guard plate, and the third rail is fixed to the left guard plate and the right guard plate.

100091 In one of the embodiments, the connecting rod comprises an upper connect rig rod, a middle connecting; rod and a lower connecting rod which are connected into a whole in sequence. The lower surface of the upper connecting rod and the upper surface of the lower connecting rod are both provided with threaded holes, and one end of the adjustable top rod is in lit with the threaded hole.

100101 in one of the embodiments, the fi guard plate comprises a front guard plate, and a rear guard plate. The first ends of the front guard plate and the rear guard plate are respectively fixed to both sides of the middle connecting rod by bolts. The middle connecting plate is clamped between the front guard plate and the rear guard plate, and is connected to the front guard plate and the rear guard plate by bolts.

100111 in one of the embodiments, the other end of the adjustable top rod is configured to press against the upper surface or lower surface of the middle connecting plate, and the adjustable top rod is sleeved with an adjusting screw nut.

100121 In one of the embodiments, the left guard plate is connected to the limit support by a positioning screw, and the positioning screw is configured to adjust the installation position of the left guard plate.

100131 in one of the embodiments, the upper base plate comprises a first connecting portion and a second connecting portion which are integrally connected, the first connecting portion is configured to connect the upper base plate to the limit support and the horizontal base, and the second connecting portion is configured to connect the upper base plate to the left guard plate and the horizontal base.

100141 In one of the embodiments, the first connecting portion is provided with a plurality bolts, the axes of the plurality of bolts are parallel to one another, the bolts of the first connecting portion are locked by nuts after sequentially penetrating through the upper base plate, the limit support and the horizontal base from top to bottom.

100151 In one of the embodiments, the second connecting portion is provided with a plurality of bolts, the axes of the plurality of bolts are parallel to one another, the bolts of the second connecting portion are locked by nuts after sequentially penetrating through the upper base plate, the left guard plate and the horizontal base from top to bottom.

100161 Compared with the prior art, the present disclosure has the following beneficial effects: 100171 In accordance with a clamping tool for third rail installation, the third rail is fixed by the fixing device consisting of the left guard plate and the right guard plate; the installation position, horizontal and vertical displacement as well as the accuracy of the third rail are adjusted by the limit adjusting device consisting of the connecting base plate and the adjustable top rod; and the third rail is connected and fixed to a main body of a test bench by the connecting device consisting of the connecting rod, the fixed guard plate and the upper base plate. In accordance with the clamping tool, the third rail for a wear test is connected and fixed Sc) as to ensure that the third rail is free of falling off and loosening during circular motion and has good working condition stability and high reliability. The tool can achieve the convenience of installation and replacement of the third rail, improve the installation efficiency, and ensure the dynamic balance and reliability of the third rail abrasion test in circular 'notion.

BRIEF DESCRIPTION OF 'EDE DRAWINGS

100181 To describe the technical solutions in the embodiments of the present disclosure in the prior art more clearly, the following briefly introduces the accompanying drawings required for describing the embodiments. Apparently" the accompanying drawings in the following description show merely some embodiments of the present disclosure, and those of ordinary skill in the art may still derive other drawings from these accompanying drawings without creative efforts.

100191 FIG 1 is a schematic diagram of an overall structure of a clamping tool for third rail installation in accordance with an embodiment of the present disclosure; 100201;FIG 2 is an installation position diagram cif a right guard plate and a third rail in accordance with an embodiment of the present disclosure; 10021] FIG. 3 is an assembly diagram of a limit support and a horizontal base in accordance with an embodiment of the present disclosure.

100221 In the drawings: 1-connecting rod; 2-front guard plate; 3-rear guard plate; 4-connecting base plate; 5-upper base plate; 6-left guard plate; 7-right guard plate; 8-third rail; 9-adjustable top rod; 10-fixing screw; 11-positioning screw; 12-upper connecting rod; 13-lower connecting rod; 14-middle connecting rod; 15-middle connecting plate; 16-limn support, 17-horizontal ba.se.

DETAILED DESCRIPTION OF THE EMBODIMENTS

100231 To make the objectives, features and advantages of the present disclosure more apparently and understandably, the specific embodiments of the present disclosure are described in detail below with reference to accompanying drawings. Further details are described as below for full understanding of the present disclosure. However, the present disclosure may be implemented in other ways different from those described herein. Those skilled in the art can make similar modifications without departing from the spirit of the present disclosure, and the present disclosure is therefore not limited to the specific embodiments disclosed below.

100241 In the description of the present disclosure; it needs to be understood that the orientation or positional relationship indicated by terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front ", "back", "left", "right", "vertical", "horizontal", "top", "bottom"; "inside", "outside", "clockwise", "counterclockwise", "axial", "radial rferentiar is based on the orientation or positional relationship shown in the drawings only for convenience of description of the present invention and simplification of description rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus are not to be construed as lirnitinu the present disclosure.

100251 Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of the indicated technical features. As such, the features limited to "first" and "second" may explicitly or implicitly include at least one of those features. In the description of the present disclosure, "a plurality of' means at least two, e.g., two, three, etc., unless expressly specified otherwise.

100261 in the present disclosure, unless expressly specified and limited otherwise, the terms "install," "connect," "couple," "fix," and the like should be understood broadly, e.g., may be either a fixed connection or a detachable connection, or a connection in one piece; may be a mechanical connection or an electrical connection; may be a direct connection or an indirect connection through an intermediate medium, may be an internal communication between the two elements or interactions between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood on a case-by-case basis.

10027] In the present disclosure, unless expressly specified and limited otherwise, a first feature being "on" or "under" a second feature may refer to that the first feature is in direct contact with the second feature, and may refer to that the first feature is in indirect contact with the second feature by an intermediate medium. Moreover, the first feature being "on", "above" or "over" the second feature may refer to that the first feature may be right above, or obliquely above, the second feature, or only represents that the first feature is horizontally higher than the second feature. The first feature being "under", "below" or "beneath" the second feature refers to that the first feature may be right below, or obliquely below, the second feature, or merely represents that the first feature is horizontally lower than second feature.

[0028] It needs to be noted that when an element is referred to as being "fixed" or "arranged" on another element, it may be directly-on another element, or intervening elements may also exist. When an element is referred to as being "connected to" another element; it can be directly connected to another element, or intervening elements may also exist. The terms "vertical", "horizontal", "upper, "lower", "left", "right" and similar expressions used herein are used for descriptive purposes only, and do not represent the unique embodiment.

[0029] To make the objectives, features and advantages of the present disclosure more apparently and understandably, the present disclosure is further described in detail below with reference to accompanying drawings and specific embodiments.

[0030] As shown in FIG. I to FIGS, the embodiment provides a clamping tool for third rail installation. The clamping tool comprises a connecting device, a limit adjusting device and a fixing device.

[0031] The connecting device comprises a connecting rod 1, a fixed guard plate, and an upper base plate 5. The connecting rod 2 is connected to a main body of a rotary test bench; the fixed guard plate is installed on the connecting rod 2., one side of the limit adjusting device is connected to the fixed guard plate, the other side of the limit adjusting device is provided with the fixing device, and the upper base plate 5 is configured to connect the fixing device and the limit adi usting device together.

[0032] The limit adjusting device comprises a connecting base plate 4., and an adjustable top rod 9. The connecting base plate 4 comprises a middle connecting plate 15; a limit support 16, and a horizontal base 17. The first end of the middle connecting plate 15 is detachably installed on the fixed guard plate, the second end of the middle connecting plate 15 is connected to the limit support 16, and the horizontal base 17 is arranged at the bottom of the limit support 16. One end of the adjustable top rod 9 is installed on the connecting rod 1, and the other end of the adjustable top rod 9 is configured to press against the middle connecting plate 15.

[0033] The fixing device comprises a left guard plate 6, and a right guard plate 7. The left guard plate 6 is arranged on the horizontal base 17, and the limit support 16 is configured to limit the position of the left guard plate 6, The inner side of a third rail 8 is in contact with the left guard plate 6, the outer side of the third rail S is in contact with the right guard plate 7, and the third rail 8 is fixed to the left guard plate 6 and the right guard plate 7 [0034] In one of the embodiments, the connecting rod 1 comprises an upper connecting rod 12, a. middle connecting rod 14 and a lower connecting rod 13 which are connected into a whole in sequence. The lower surface of the upper connecting rod 12 and the upper surface of the lower connecting rod 13 are both provided with threaded holes, and one end of the adjustable top rod 9 is in fit with the threaded hole. The horizontal displacement and installation accuracy of the connecting base plate 4 may be adjusted by adjusting the adjustable top rod 9.

[0035] in one of the embodiments, the -fixed guard plate comprises a front guard plate 2 and a rear guard plate 3. The first ends of the front guard plate 2 and the rear guard plate 3 are respectively fixed to both sides of the middle connecting rod 14 by bolts. The middle connecting plate 15 is clamped between the front guard plate 2 and the rear guard plate 3, and is connected to the front guard plate 2 and the rear guard plate 3 by bolts. The middle connecting plate 15 is connected to the front guard plate 2 and the rear guard plate 3 by fixing screws 10, and after adjusting the installation position and accuracy, the middle connecting plate 15 of the connecting base plate 4; the front guard plate 2 and the rear guard plate 3 are connected and installed together by the bolts.

10036] In one of the embodiments, the other end of the adjustable top rod 9 is configured to press against the upper surface or lower surface of the middle connecting plate 15, and the adjustable top rod 9 is sleeved with an adjusting screw nut.

100371 In one of the embodiments, the left guard plate 6 is connected to the limit support 16 by a positioning screw 11, and the positioning screw 11 is configured to adjust the installation position of the left guard plate 6. The left guard plate 6 is placed on the horizontal base 17 of the connecting base plate 4 and is limited by the limit support 16 of the connecting base plate 4, and the installation position of the left guard plate 6 is adjusted by the positioning screw II. The inner side of the third rail 8 is in contact with the left guard plate 6, the outer side of the third rail 8 is in contact with the right guard plate 7, and the left guard plate 6, the third rail 8 and the right guard plate 7 are connected and fixed together by bolts, The tool is configured to fix the third rail 8 by means of the left guard plate 6 and the right guard plate 7.

100381 In one of the embodiments, the upper base plate 5 comprises a first connecting portion and a second connecting portion which are integrally connected. The first connecting portion is configured to connect the upper base plate 5 to the limit support 16 and the horizontal base 17, and the second connecting portion is configured to connect the upper base plate 5 to the left guard plate 6 and the horizontal base 17, One side of the upper base plate 5 is connected to the limit support 16 and the horizontal base 17 of the connecting base plate 4 by the bolts, and the other side of the upper base plate is connected to the left guard plate 6 and the horizontal base 17 of the connecting plate 4 by the bolts. The tool is configured to connect the fixing device and the connecting device together by means of the upper base plate 5, 100391 In one of the embodiments, the first connecting portion is provided with a plurality bolts, the axes of the plurality of bolts are parallel to one another, and the bolts of the first connecting portion are locked by nuts after sequentially penetrating through the upper base plate 5, the limit support 1.6 and the horizontal base 17 from top to bottom.

100401 In one of the embodiments, the second connecting portion is provided with a plurality of bolts, the axes of the plurality of bolts are parallel to one another, and the bolts of the second connecting portion are locked by nuts after sequentially penetrating through the upper base plate 5; the left guard plate 6 and the horizontal base 17 from top to bottom.

100411 In accordance with a clamping tool for third rail installation, the third rail 8 is fixed by the fixing device consisting of the left guard plate 6 and the right guard plate 7. The installation position, horizontal and vertical displacement as well as the accuracy of the third rail are adjusted by the limit adjusting device consisting of the connecting base plate 4, the adjustable top rod 9, the fixing screw 10 and the positioning screw I. The third rail 8 and the main body of the test bench are connected and fixed together by the connecting device consisting of the connecting rod 1, the front guard plate 2, the rear plate 3 and the upper base plate 5.

100421 During test, the connecting rod 1 and the main body of the test bench are connected together, and then the connecting base plate 4 is installed; the middle connecting plate 15 of the connecting base plate 4 is connected to the left guard plate 6 and the right guard plate 7 by the fixing screws 10; and the bolts are installed. The adjustable top rods 9 are respectively installed on the upper connecting rod 12 and the lower connecting rod 13 of the connecting rod 1, such that the other ends of the adjustable top rods 9 are in contact with and pressed against the middle connecting plate 15 of the connecting base plate 4, and the adjustable top rods 9, the fixing screws 10 and the bolts are respectively adjusted to make the connecting; base plate 4 in a horizontal position. The left guard plate 6 is placed on the horizontal base 17 of the connecting base plate 4, and the positioning screws 11 in the limit support 16 are adjusted to make the left guard plate 6 tightly attached to the positioning screws 11. The upper base plate 5 is connected to the left guard plate 6 and the horizontal base 17 of the connecting base plate 4 by the bolts. Then, the third rail 8 is tightly attached to the left guard plate 6, and the right guard plate 7 is installed, then the left guard plate 6, the third rail 8 and the right guard plate 7 are connected and fixed by the bolts. At the moment, the adjustable top rods 9; the fixing screws 10 and the bolts are adjusted again to make the third rail 8 in the horizontal position, and the positioning screws I :5 are adjusted to make the third rail 8 at different positions tightly attached in a radial direction, and then the adjustable top rods 9" the fixing screws 10 and the positioning screws 11 as well as the connecting bolts are fastened again.

100431 In according to the clamping tool for third rail installation in the present disclosure, a circular third rail S is fixed and installed on the rotary main body for test by the fixing device, the limit adjusting device and the connecting device, thus the purposes of effectively fixing the third rail S and improving the test reliability thereof are achieved, the labor intensity is reduced, and the installation efficiency is improved. The tool not only can effectively fix the circled third rail 8, but also can effectively position the third rail 8 in the installation process, and the installation accuracy and reliability of die third rail 8 are ensured by finely adjusting the installation position and. accuracy of the third rail 8 in real time by the limit adjusting device. The tool is simple in operation and capable of performing fine adjustment while effectively positioning, such that the labor cost is reduced, the installation efficiency is improved, and the accuracy of the installed and finely adjusted third rail 8 is guaranteed. The tool not only can adjust the installation amount in a horizontal direction and make tine adjustment in the radial direction, but also can position the installation position of the third rail S and the installation positions of various parts, thus improving the installation efficiency.

[0044] The clamping tool for third rail installationin the present disciosurc has the following advantages: 100451 1. The tool is configured to install the third rail 8, and the installation accuracy in both the horizontal direction and the radial direction can be finely adjusted so as to guarantee the installation accuracy of the third rail S. [0046] 2. The tool may be configured to position the installation position of the third rail 8, only the corresponding positioning position needs to be found during each installation, so the installation is quick and convenient, and the installation efficiency is improved.

[0047] 3. The tool can bear the weight of the third rail 8, so the labor intensity is reduced in the installation process, and the installation efficiency is improved.

[0048] 4. The tool may further finely adjust the horizontal and radial displacements after the third rail 8 is debugged, thus effectively guaranteeing the dynamic balance and reliability of the motion of the third rail 8.

[0049] It needs to be noted that, for those skilled in the art, apparently, the present disclosure is not limited to details of the exemplary embodiments, and may be expressed in other specific forms without departing from the spirit or basic characteristics of the present disclosure. Therefore, in any way, the embodiments should be regarded as exemplary, not 'imitative; and the scope of the present disclosure is limited by the appended claims, instead of the above description. Thus, all variations intended to fall into the meaning and scope of equivalent elements of the claims should be covered within the present disclosure. Any reference signs in the claims shall not be regarded as limitations to the concerned claims.

[0050] Several examples are used for illustration of the principles and implementation methods of the present disclosure. The description of the embodiments is merely used to help illustrate the method and its core principles of the present disclosure. In addition, a person of ordinary skill in the art can make various modifications in terms of specific embodiments and scope of application in accordance with the teachings of the present disclosure. In conclusion, the content of this specification shall not be construed as a limitation to the present disclosure.

Claims

WHAT IS CLAIMED IS: 1. A clamping tool for third rail installation,comprising: a. connecting device, comprising a. connecting rod, a fixed guard plate, and an nivier base plate, wherein the connecting rod is connected to a main body of a rotary test bench, the fixed guard plate is installed on the connecting rod, one side of a limit adjusting device is connected to the fixed guard plate, the other side of the limit adjusting device is provided with a fixing device, and the upper base plate is configured to connect the fixing device and the limit adjusting device together; the limit adjusting device, comprising a connecting base plate and an. adjustable top rod,: wherein the connecting base plate comprises a middle connecting plate, a limit support, and a horizontal ba.se; the first end of the middle connecting plate is detachably installed at the fixed guard plate, the second end of the middle connecting plate is connected to the limit support, and the horizontal base is arranged at the bottom of the limit support; one end of the adjustable top rod is installed on the connecting rod, and the other end of the adjustable top rod is configured to press against the middle connecting plate; and the fixing device, comprising a left guard plate and a right guard plate, wherein the Mil guard plate is arranged on the horizontal base, the limit support is configured to limit the position of the left guard plate, the inner side of a third rail is in contact with the left guard plate, the outer side of the third rail is in contact with the right guard plate, and the third rail is fixed to the left guard plate and the right guard plate.
2. The clamping tool for third rail installation according to claim 1,, wherein the connecting rod comprises an upper connecting rod, a middle connecting rod and a lower connecting rod which are connected into a whole in sequence, the lower surface of the upper connecting rod and the upper surface of the lower connecting rod are both provided, with threaded holes, and one end of the adjustable top rod is in fit with the threaded hole.
3. The clamping tool for third rail installation according to claim wherein the fixed guard plate comprises a front guard plate and a rear guard plate; the first ends of the front guard plate and the rear guard plate are respectively fixed to both sides of the middle connecting rod by bolts; the middle connecting plate is clamped between the front guard plate and the rear guard plate, and is connected to the front guard plate and the rear guard plate by bolts.
4. The clamping tool for third rail installation according to claim 1, wherein the other end of the adjustable top rod is configured to press against the upper surface or lower surface of the middle connecting plate, and the adjustable top rod is sleeved with an adjusting screw nut.
5. The clamping tool for third rail installation according to claim I, wherein the left guard plate is connected to the limit support by a positioning screw, and the positioning screw is configured to adjust the installation position of the left guard plate.
6. The clamping tool for third rail installation according to claim i, wherein the upper base plate comprises a first connecting portion and a second connecting portion which are integrally connected, the first connecting portion is configured to connect the upper base plate to the limit support and the horizontal base, and the second connecting portion is configured to connect the upper base plate to the left guard plate and the horizontal base.
7. The clamping tool for third rail installation according to claim 6, wherein the first connecting portion is provided with a plurality of bolts, the axes of the plurality of bolts are parallel to one another, the bolts of the first connecting portion are locked by nuts after sequentially penetrating through the upper base plate, the limit support and the horizontal base from top to bottom.
8. The clamping tool for third rail installation according to claim 6, wherein the second connecting portion is provided with a plurality of bolts, the axes of the plurality of bolts are parallel to one another, the bolts of the second connecting portion are locked by nuts after sequentially penetrating through the upper base plate, the left plate and the horizontal base from top to bottom.