Continuous acquisition device for large-stroke displacement of switch machine rod piece

By designing a continuous large-stroke displacement acquisition device for switch machine components, and utilizing components such as a laser triangulation rangefinder and a reducer, continuous and accurate measurement of the displacement of switch machine components was achieved. This solved the problem of difficult fault diagnosis in existing technologies and ensured the safe and reliable operation of railway turnouts.

CN223910261UActive Publication Date: 2026-02-13SHANGHAI BANGCHENG TELECOM TECH
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Patent Information

Application Number
CN202520530749.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-13
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing switch machines cannot continuously measure the action rods and indicator rods, making fault diagnosis difficult, failing to detect potential problems in a timely manner, and affecting the safe and reliable operation of railway turnouts.

Method used

A continuous acquisition device for the large stroke displacement of switch machine rods was designed. It uses components such as a laser triangulation rangefinder, a reducer, and a friction coupling to realize continuous measurement and precise control of the displacement of switch machine rods. This includes the precise coordination of components such as a mounting box, reducer, motor, guide block, rotating shaft, and gears.

Benefits of technology

It enables continuous and accurate measurement of the displacement of switch machine components, allowing for timely fault detection, improving equipment reliability and availability, and ensuring the safe operation of railway turnouts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a switch machine rod piece large stroke displacement continuous acquisition device, belonging to the switch machine technology field, the switch machine rod piece large stroke displacement continuous acquisition device comprises an installation box, the inner wall bottom of the installation box is fixedly connected with two installation blocks, the inner wall bottom of the installation box is provided with an automatic opening and closing device, and the inner wall bottom of the installation box is fixedly connected with the two installation blocks. Two guide blocks are fixedly connected to the bottom of the inner wall of the mounting box, a rotating shaft is mounted on an output shaft of the friction coupler, a starting piece and a quick-acting piece are mounted on one side of the outer wall of the rotating shaft, and a rotating gear is fixedly connected to the other side of the outer wall of the rotating shaft. The large-stroke displacement of the switch machine rod piece can be continuously measured, the position changes of the rod piece in different working stages can be monitored in real time, the situations of blocking, jumping or abnormal displacement of the rod piece can be found in time, detailed information is provided for fault diagnosis and maintenance, faults can be prejudged in advance, and the reliability and usability of equipment are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a switch machine technical field especially is involved in a kind of switch machine rod member large stroke displacement continuous acquisition device. BACKGROUND

[0002] With the continuous development of railway transportation, train running speed is continuously improved, and transportation density is also increasing, which puts forward higher requirements for the reliability and accuracy of switch machine. Therefore, a device capable of accurately and continuously collecting large stroke displacement data of switch machine rod member is needed to monitor the working condition of switch machine in real time, discover potential faults in time, ensure the safe and reliable operation of railway turnout, and further ensure the safe and efficient operation of train. This device not only has high-precision measurement capability, but also can adapt to complex environmental conditions such as vibration, dust, oil stains, etc. at railway site, and has good stability and reliability to meet the needs of long-term continuous work.

[0003] Most of the existing switch machines cannot continuously measure their action rods and indicating rods. When the switch machine fails, due to the lack of continuous displacement data, it can only rely on irregular inspection or instantaneous state after failure to determine the problem, which makes it extremely difficult to accurately determine the specific location, cause and development process of the failure, increasing the difficulty and time cost of fault diagnosis.

[0004] Therefore, it is urgent to provide a switch machine rod member large stroke displacement continuous acquisition device to solve the above problems. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a switch machine rod member large stroke displacement continuous acquisition device.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a switch machine rod member large stroke displacement continuous acquisition device, which comprises a mounting box, two mounting blocks are fixedly connected to the bottom inner wall of the mounting box, a reducer is fixedly connected between the top of the two mounting blocks, a friction coupling is installed on one side of the outer wall of the reducer;

[0007] An electric motor is installed on the other side of the outer wall of the reducer, a protective cover is fixedly connected to one side of the outer wall of the mounting box, an automatic switch is installed on the bottom inner wall of the mounting box, two guide blocks are fixedly connected to the bottom inner wall of the mounting box, a rotating shaft is installed on the output shaft of the friction coupling, a starting piece and a quick-action piece are installed on one side of the outer wall of the rotating shaft, and a rotating gear is fixedly connected to the other side of the outer wall of the rotating shaft.

[0008] The outer wall of the mounting box is fixedly connected with two sleeves at the front end, the inner walls of the two sleeves are slidably connected with an indicating rod and an action rod respectively, the outer wall of the action rod is fixedly connected with a rack block, the inner walls of the two sleeves are fixedly connected with limiting rings, and the inner walls of the two sleeves are provided with laser triangulation range finders at the front end.

[0009] The utility model further sets up: two installation blocks top all with speed reducer bottom close adhesion, and two installation blocks mutual parallel.

[0010] Through the above technical scheme, the connection between the installation block and the speed reducer is more stable, effectively supports the weight of the speed reducer, reduces the shaking and vibration during operation, and ensures that the speed reducer is in a horizontal state after installation, so that the internal gear, shaft and other transmission components can be normally engaged and operated.

[0011] The utility model further sets up: the motor penetrates the outer wall of the mounting box one side, and the inner wall of the protective cover is matched with the outer wall of the motor.

[0012] Through the above technical scheme, the protective cover and the motor can form a good seal, improve the protection level of the whole device, reduce the interference of external factors on the operation of the motor, and also reduce the risk of damage caused by the collision of external objects with the motor.

[0013] The utility model further sets up: two guide blocks are provided with guide holes, and the rotating shaft penetrates the two guide holes and is rotatably connected to the inner wall of the mounting box.

[0014] Through the above technical scheme, the guide hole provides accurate positioning for the rotating shaft, ensures that the rotating shaft is in the correct position in the mounting box, so that it can accurately cooperate with other components, and ensures the accuracy and stability of power transmission.

[0015] The utility model further sets up: the rack block is engaged with the rotating gear, and the outer walls of the rotating gear on both sides are matched with the outer walls of the corresponding guide blocks on one side.

[0016] Through the above technical scheme, the rotating motion of the rotating gear can be accurately converted into the linear motion of the rack block and the action rod, realizing effective power transmission and motion form conversion, and the transmission precision is high, ensuring that the action rod accurately displaces according to the design requirements, so as to accurately control the turnout position of the switch machine.

[0017] The utility model further sets up: the inner walls of the rotating shaft and the starting piece are matched with the outer wall of the rotating shaft, and the corresponding surfaces of the rotating shaft and the starting piece are matched with each other.

[0018] Through the technical scheme, the starting piece can be tightly sleeved on the rotating shaft, and when the rotating shaft rotates, the starting piece can rotate synchronously, power is accurately transmitted, slippage caused by a gap or mismatch between the starting piece and the rotating shaft is effectively avoided, and accurate triggering and execution of relevant actions in the long-stroke displacement continuous acquisition device of the switch machine lever are ensured.

[0019] The utility model further sets up: two laser triangulation range finders are with corresponding indicating rod and action rod mutually parallel, the range of two laser triangulation range finders is greater than 240 millimeters and the accuracy is less than 0.1 millimeter.

[0020] Through the technical scheme, the laser beam emitted by the laser triangulation range finder can be perpendicular to the surface of the measured object, so that accurate distance measurement values are obtained, the range greater than 240 millimeters can cover the large stroke range of the indicating rod and the action rod of the switch machine, and the accuracy less than 0.1 millimeter can meet the strict requirements of the switch machine on displacement measurement accuracy.

[0021] The utility model has the advantages of the following:

[0022] 1. The utility model discloses a laser triangulation range finder can be set up, and the long-stroke displacement of the switch machine lever can be continuously measured, the position change of the lever in different working stages is monitored in real time, the jam, jumping or abnormal displacement of the lever can be found in time, detailed information is provided for fault diagnosis and maintenance, the reliability and usability of the equipment can be improved by early fault prediction.

[0023] 2. The utility model discloses a speed reducer and friction coupling are set up, the output speed of motor can be reduced by the speed reducer, and the output torque is increased simultaneously, so that the output characteristics of motor are matched with the working requirements of the switch machine lever, and the device can stably and reliably drive the lever movement. DRAWINGS

[0024] Figure 1 It is the appearance drawing of the utility model;

[0025] Figure 2 It is the partial structure schematic drawing of the utility model;

[0026] Figure 3 It is the front view of the utility model;

[0027] Figure 4 It is the transverse sectional view of the utility model;

[0028] Figure 5 It is Figure 2 The local enlarged view of A in the middle;

[0029] Figure 6 It is Figure 4 The local enlarged view of B in the middle.

[0030] In the figure: 1, installation box; 2, installation block; 3, speed reducer; 301, friction coupling; 4, motor; 5, protective cover; 6, automatic on-off device; 7, guide block; 8, rotating shaft; 9, starting piece; 10, quick-action piece; 11, rotating gear; 12, sleeve; 13, indicating rod; 14, action rod; 15, rack block; 16, limiting ring; 17, laser triangulation range finder; 18, blocking piece; 19, cover plate. DETAILED DESCRIPTION

[0031] The advantages and features of the present application will be more easily understood by those skilled in the art from the detailed description of the preferred embodiments of the present application in conjunction with the accompanying drawings, so that the scope of protection of the present application can be more clearly and definitely defined.

[0032] Please refer to Figure 1 - Figure 6 A kind of continuous acquisition device of large stroke displacement of switch machine rod piece, including installation box 1, two installation blocks 2 are fixedly connected in the bottom of the inner wall of installation box 1, speed reducer 3 is fixedly connected between the top of two installation blocks 2, the bottom of the speed reducer 3 is closely combined with the top of two installation blocks 2, and two installation blocks 2 are parallel to each other;It can make the connection between installation block 2 and speed reducer 3 more stable, effectively support the weight of speed reducer 3, reduce the shaking and vibration when running, and ensure that speed reducer 3 is in horizontal state after installation, so that the internal gear, shaft and other transmission components can be normally engaged and run, the outer wall of speed reducer 3 is installed with friction coupling 301 on one side, the outer wall of speed reducer 3 is installed with motor 4 on the other side, the outer wall of installation box 1 is fixedly connected with protective cover 5 on one side, motor 4 penetrates the outer wall of installation box 1 on one side, and the inner wall of protective cover 5 is matched with the outer wall of motor 4;It can form good sealing between protective cover 5 and motor 4, improve the protection level of the whole device, reduce the interference of external factors on the operation of motor 4, and also reduce the risk of damage caused by the collision of external objects with motor 4, the inner wall of installation box 1 is installed with automatic on-off device 6 at the bottom, the inner wall of installation box 1 is fixedly connected with two guide blocks 7 at the bottom, the output shaft of friction coupling 301 is installed with rotating shaft 8, guide holes are formed in the two guide blocks 7, and the rotating shaft 8 penetrates the two guide holes and is rotatably connected with the inner wall of installation box 1 on one side;The guide hole provides accurate positioning for the rotating shaft 8, ensures that the rotating shaft 8 is in the accurate position in the installation box 1, so that it can be accurately matched with other components, and the accuracy and stability of power transmission are guaranteed.

[0033] As Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the outer wall of the rotating shaft 8 is provided with a starting piece 9 and a quick-action piece 10, the inner wall of the rotating shaft 8 and the starting piece 9 are matched with the outer wall of the rotating shaft 8, and the corresponding surfaces of the rotating shaft 8 and the starting piece 9 are in close contact with each other; it can ensure that the starting piece 9 is tightly sleeved on the rotating shaft 8, when the rotating shaft 8 rotates, the starting piece 9 can rotate synchronously, accurately transmit power, effectively avoid the slipping phenomenon caused by the gap or mismatch between the two, and ensure the accurate triggering and execution of related actions in the large displacement continuous acquisition device of the switch machine lever, the outer wall of the rotating shaft 8 is fixedly connected with a rotating gear 11, the outer wall of the mounting box 1 is fixedly connected with two sleeves 12 at the front end, the inner walls of the two sleeves 12 are respectively slidably connected with an indicating rod 13 and an action rod 14, the outer wall of the action rod 14 is fixedly connected with a rack block 15, the rack block 15 is engaged with the rotating gear 11, and the outer walls of the rotating gear 11 are matched with the outer walls of the corresponding guide blocks 7 on one side; the rotating motion of the rotating gear 11 can be accurately converted into the linear motion of the rack block 15 and the action rod 14, the effective transmission of power and the conversion of motion form are realized, the transmission precision is high, the action rod 14 can accurately displace according to the design requirements, so as to accurately control the turnout position of the switch machine, the inner walls of the two sleeves 12 are fixedly connected with a limiting ring 16, the inner walls of the two sleeves 12 are provided with a laser triangulation range finder 17 at the front end, the two laser triangulation range finders 17 are parallel to the corresponding indicating rod 13 and action rod 14, the range of the two laser triangulation range finders 17 is greater than 240mm and the accuracy is less than 0.1mm; it can ensure that the laser beam emitted by the laser triangulation range finder 17 is perpendicular to the surface of the measured object, so as to obtain accurate distance measurement value, the range greater than 240mm can cover the large stroke range of the switch machine indicating rod 13 and the action rod 14, and the accuracy less than 0.1mm can meet the strict requirements of the switch machine on displacement measurement accuracy, the outer wall of the mounting box 1 is fixedly connected with a baffle 18 on the other side, and the top of the mounting box 1 is fixedly connected with a cover plate 19.

[0034] The utility model discloses a start-up piece 9 and quick action piece 10 are installed to the outer wall one side of rotating shaft 8, and the start-up piece 9 and quick action piece 10 are used for triggering automatic switch 6, and automatic switch 6 is according to the position change of start-up piece 9 and quick action piece 10 to control the on-off of circuit, thereby realizing the electrical control to the other part of rotating switch machine, and the rotation of rotating gear 11 drives rack block 15 to move, and then drives action lever 14 to do linear reciprocating motion in sleeve 12, and the movement of action lever 14 can drive indicating rod 13 to move in sleeve 12 synchronously through corresponding mechanical structure, and laser triangulation range finder 17 emits laser beam to the end face of indicating rod 13 and action lever 14, and the laser beam is received by photoelectric detector in range finder after reflection, and the distance of indicating rod 13 and action lever 14 end face to laser triangulation range finder 17 can be calculated through trigonometric relation, and laser triangulation range finder 17 will continuously measure the distance data of different positions along with the movement of indicating rod 13 and action lever 14, thereby realizing the continuous collection to the full stroke displacement of indicating rod 13 and action lever 14.

[0035] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent flow conversion of the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A continuous acquisition device for large displacement of a switch machine lever, comprising a mounting box (1), characterized in that: Two mounting blocks (2) are fixedly connected to the bottom of the inner wall of the mounting box (1), a speed reducer (3) is fixedly connected between the top of the two mounting blocks (2), and a friction coupler (301) is installed on one side of the outer wall of the speed reducer (3). An electric motor (4) is installed on the other side of the outer wall of the speed reducer (3), a protective cover (5) is fixedly connected to one side of the outer wall of the mounting box (1), an automatic switch (6) is installed on the bottom of the inner wall of the mounting box (1), two guide blocks (7) are fixedly connected to the bottom of the inner wall of the mounting box (1), a rotating shaft (8) is installed on the output shaft of the friction coupler (301), a starting piece (9) and a quick-action piece (10) are installed on one side of the outer wall of the rotating shaft (8), and a rotating gear (11) is fixedly connected to the other side of the outer wall of the rotating shaft (8). Two sleeves (12) are fixedly connected to the front end of the outer wall of the mounting box (1), an indicating rod (13) and an action rod (14) are slidably connected to the inner walls of the two sleeves (12) respectively, a rack block (15) is fixedly connected to the outer wall of the action rod (14), a limiting ring (16) is fixedly connected to the inner wall of each of the two sleeves (12), a laser triangulation range finder (17) is installed on the front end of the inner wall of each of the two sleeves (12), a baffle (18) is fixedly connected to the other side of the outer wall of the mounting box (1), and a cover plate (19) is fixedly connected to the top of the mounting box (1).

2. The device according to claim 1, wherein the device is characterized in that: The top of each of the two mounting blocks (2) is tightly fitted with the bottom of the speed reducer (3), and the two mounting blocks (2) are parallel to each other.

3. The device according to claim 1, wherein the device is characterized in that: The electric motor (4) penetrates one side of the outer wall of the mounting box (1), and the inner wall of the protective cover (5) is fitted with the outer wall of the electric motor (4).

4. The device according to claim 1, wherein the device is characterized in that: Each of the two guide blocks (7) is provided with a guide hole, the rotating shaft (8) penetrates the two guide holes and is rotatably connected to one side of the inner wall of the mounting box (1).

5. The device according to claim 1, characterized in that: The rack block (15) is engaged with the rotating gear (11), and the outer walls of the two sides of the rotating gear (11) are fitted with one side of the outer wall of the corresponding guide block (7).

6. The device according to claim 1, wherein the device is characterized in that: The inner walls of the rotating shaft (8) and the starting piece (9) are matched with the outer wall of the rotating shaft (8), and the corresponding surfaces of the rotating shaft (8) and the starting piece (9) are fitted with each other.

7. The device according to claim 1, wherein the device is characterized in that: The two laser triangulation range finders (17) are parallel to each other, the range of each of the two laser triangulation range finders (17) is greater than 240 mm, and the accuracy is less than 0.1 mm.