Integrated tool for efficiently overhauling interior of point switch
By designing an integrated tool for efficient maintenance inside the switch machine, and utilizing the rotational pressing method of the fixed plate body and the force bar, the installation problem of the action rod and push plate sleeve of the ZDJ9 switch machine was solved, realizing safe and efficient disassembly and installation, and improving maintenance efficiency.
Patent Information
- Application Number
- CN202520370902.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-05
AI Technical Summary
During maintenance of the ZDJ9 switch machine, the friction block between the action rod and the push plate sleeve is difficult to install and disassemble smoothly, and there is a risk of personal injury during the installation process, resulting in low maintenance efficiency.
A highly efficient integrated maintenance tool for the internal parts of a switch machine has been designed, comprising a fixed plate body, a semi-elliptical support rod, and a force-applying rod. It enables the rapid installation and disassembly of the push plate sleeve and the action rod through a rotational pressing method and is suitable for the ZDJ9 type switch machine.
It enables quick disassembly and installation of the push plate sleeve and actuating rod by a single operator, avoiding personal injury and improving maintenance efficiency and safety.
Smart Images

Figure CN223903839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to subway maintenance technical field, concretely relates to the dismounting tool of action lever and push plate cover friction block in switch machine inside. BACKGROUND
[0002] Switch machine is the switch conversion device of urban rail transit, and is mainly responsible for switch conversion, ZDJ9 type switch machine is the core equipment in railway signal control system, and its main function is to convert rail switch through power drive, so that the switching of train operation direction is realized. When the service life of the switch machine reaches, it should be maintained according to the period, when the action lever and push plate cover friction block are installed and dismounted, two workers need to work simultaneously, two components are tightly attached to be installed and dismounted quickly, when the work forces of two workers are uneven, the action lever cannot be installed, and the hands of workers are easily stuck in the shell in the installation process, causing injury, and the maintenance efficiency is low. UTILITARIAN CONTENT
[0003] The utility model aims at solving the problem that the action lever and push plate cover friction block of switch machine are difficult to be installed and dismounted smoothly, and personal injury is caused in the installation process, and provides a kind of switch machine inside efficient maintenance integrated tool, ZDJ9 type switch machine inside action lever and push plate cover friction block are simple and efficient in dismounting, and the risk of injury of installation personnel is eliminated.
[0004] The utility model employs the technical scheme in the purpose of realizing above-mentioned purpose: switch machine inside efficient maintenance integrated tool, including fixed plate main part, half-elliptical support rod and force bar, the fixed plate main part one end is equipped with push plate cover card and is embedded groove, push plate cover card and embedded groove one side wall surface is equipped with fastening bolt hole, fastening bolt hole is connected with fastening bolt thread, and the other end of fixed plate main part is equipped with shaft hole;Half-elliptical support rod is fixedly connected with main shaft on it, and the main shaft passes through the shaft hole and is connected with the force bar at the end.
[0005] The connecting piece is installed on the shaft hole position of the fixed plate main part, the main shaft passes through the shaft hole and the connecting piece, the connecting piece is hollow cylindrical shaft sleeve with connecting plate at the bottom, the inner diameter of the shaft sleeve is greater than the outer diameter of the main shaft, and the connecting plate is fastened on the fixed plate main body by bolts.
[0006] The half-elliptical support rod is fixedly connected with the cylindrical main shaft at the center, and the upper main shaft is a square internal thread structure;The force bar is a spherical cylindrical shape at both ends, a square hole is formed at the center, and the square hole is installed with a bolt connected with the square internal thread structure of the main shaft.
[0007] The fixed plate main part, half-elliptical support rod, main shaft and force bar all adopt anti-deformation metal material, and the shape and size are matched with the boundary of ZDJ9 switch machine push plate cover.
[0008] The utility model discloses a high -efficient overhaul integrated tool in the switch machine inside is independently designed, is applicable to the quick dismounting, installation of ZDJ9 switch machine push plate cover and action lever, and the fixed plate main part is provided with push plate cover clamping groove, and with half elliptical support rod, installs push plate cover and action lever to the position, under the action of force bar, utilizes the mode of rotation extrusion and tightly fits push plate cover and action lever and carries out quick installation, dismounting, simple structure, convenient operation, and one person can operate, and the action lever and push plate cover friction block dismounting and installation process do not need the staff to protect the position of two components with hand, avoid causing personal injury, solve the drawbacks of inefficient overhaul and existing security risk, and the device has the advantages of simple operation and safety. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the structural schematic diagram of the utility model;
[0010] Figure 2 It is the fixed plate main body schematic diagram of the utility model;
[0011] Figure 3 It is the force bar schematic diagram of the utility model;
[0012] Figure 4 It is the main shaft and half elliptical support rod structure schematic diagram of the utility model;
[0013] Figure 5 It is the fastening bolt schematic diagram of the utility model.
[0014] In the drawing: 1, fixed plate main body, 2, half elliptical support rod, 3, connecting piece, 4, force bar, 5, connecting bolt, 6, fastening bolt, 7, fastening bolt hole, 8, push plate cover clamping groove, 9 shaft hole, 10 connecting bolt hole, 11 square hole, 12 main shaft, 13, cover plate bolt, 14, square internal thread structure. DETAILED DESCRIPTION
[0015] The utility model will be described in detail below in combination with the drawings and examples, but the utility model is not limited to specific examples.
[0016] Example 1
[0017] As Figure 1 Shown, with ZDJ9 switch machine overhaul tool as an example, the high -efficient overhaul integrated tool in the switch machine, including fixed plate main body, half elliptical support rod and force bar, the fixed plate main body, half elliptical support rod, main shaft and force bar all adopt the anti -deformation metal material, and the shape size is matched with ZDJ9 switch machine push plate cover boundary.
[0018] The fixed plate main body 1 as Figure 2As shown, one end of the fixed plate body is provided with a push plate sleeve clamping groove 8, a fastening bolt hole 7 is provided on one side wall surface of the push plate sleeve clamping groove, the fastening bolt hole 7 is connected with a fastening bolt thread 6, and the other end of the fixed plate body 1 is provided with a shaft hole 9; the semi-elliptical supporting rod 2 is fixedly connected with a main shaft 12, the main shaft passes through the shaft hole 9 and is connected with the force adding rod 4 at the end portion.
[0019] The connecting piece 3 is also installed at the shaft hole position of the fixed plate body 1, the main shaft 2 passes through the shaft hole 9 and the connecting piece 3, the connecting piece 3 is a hollow cylindrical shaft sleeve with a connecting plate at the bottom, the inner diameter of the shaft sleeve is greater than the outer diameter of the main shaft, and the connecting plate is fastened on the fixed plate body 1 by the connecting bolt 5.
[0020] Example 2
[0021] The base structure is the same as that in Example 1, the semi-elliptical supporting rod 2 is fixedly connected with a cylindrical main shaft 12 at the center as shown in 4, and the upper end of the main shaft is a square internal thread structure; the force adding rod 4 is a spherical cylindrical rod as shown in Figure 3 The center of the force adding rod 4 is provided with a square hole 11, a cover plate is installed in the square hole by a cover plate bolt 13, and the cover plate bolt 13 is connected with the square internal thread structure 14 at the upper end of the main shaft.
[0022] The fixed plate body is connected with two fastening bolts 6, the upper end of the fastening bolt 6 is provided with a nut as shown in Figure 5 The diameter of the nut is greater than that of the screw hole.
[0023] The process of using the above integrated tool to disassemble and install the friction block of the switch machine is as follows:
[0024] When disassembling:
[0025] 1. Install the internal efficient maintenance integrated tool of the switch machine on the surface of the action rod and the push plate sleeve, embed the push plate sleeve into the push plate sleeve clamping groove of the fixed plate body, and adjust and fasten the fixed position bolt and the fastening position bolt;
[0026] 2. Rotate the force adding rod in the clockwise direction by hand, and rotate the semi-elliptical supporting rod by the main shaft at the same time, put the action rod into the push plate sleeve clamping groove, and make the elliptical surface no longer closely fit with the action rod and the push plate sleeve;
[0027] 3. Hold the ball screw and the action rod tightly with the left hand and the right hand respectively, and lift upward with force at the same time, so that the action rod and the push plate sleeve are separated instantaneously, and the disassembly is completed.
[0028] When installing:
[0029] 1. Insert the middle part of the action rod into the push plate sleeve friction block clamping groove;
[0030] 2. Install the internal efficient integrated tool of the switch machine on the upper plane of the push plate sleeve and the action rod, and embed the push plate sleeve into the push plate sleeve clamping groove of the fixed plate body;
[0031] 3. The push plate sleeve slot is embedded with the intermediate bolt of the push plate sleeve, and at the same time, the two fastening bolts are adjusted and locked in position;
[0032] 4. Manually rotate the force rod counterclockwise, and at the same time, drive the semi-elliptical support rod to rotate through the main shaft, make the semi-elliptical support rod perpendicular to the surface of the action rod, and put the action rod into the position of the push plate sleeve friction block, and at the same time, the push plate sleeve and the action rod fall into the bottom of the shell at the same time, and the installation is completed.
Claims
1. A high-efficiency integrated tool for internal maintenance of a switch machine, characterized in that, Including fixed plate body, half ellipse support rod and force bar, the fixed plate body one end is equipped with push plate sleeve card slot, the push plate sleeve card slot one side wall surface is equipped with fastening bolt hole, the fastening bolt hole is connected with fastening bolt thread, the fixed plate body other end is equipped with shaft hole;The half ellipse support rod is fixedly connected with main shaft, the main shaft passes through the shaft hole and is connected with the force bar.
2. The integrated tool for efficient internal maintenance of a switch machine according to claim 1, wherein, The fixed plate body shaft hole position is installed with connecting piece, the main shaft passes through the shaft hole and the connecting piece, the connecting piece is hollow cylindrical shaft sleeve with connecting plate at the bottom, the inner diameter of the shaft sleeve is larger than the outer diameter of the main shaft, and the connecting plate is fastened on the fixed plate body by bolts.
3. The integrated tool for efficient internal maintenance of a switch machine according to claim 1, wherein, The half ellipse support rod center is fixedly connected with cylindrical main shaft, and the upper part of the main shaft is a square internal thread structure;The force bar is a cylindrical shape with spherical ends, a square hole is formed in the center, and a bolt is installed in the square hole and connected with the square internal thread structure of the main shaft.
4. The integrated tool for efficient internal maintenance of a switch machine according to claim 1, wherein, The fixed plate body, half ellipse support rod, main shaft and force bar are made of anti-deformation metal material, and the shape and size are matched with the boundary of the push plate sleeve of ZDJ9 switch machine.