Urban rail brake control testing device
By employing electromagnets and movable test strips in the urban rail braking control test device, high-precision automatic distance measurement was achieved, solving the problem of insufficient distance measurement accuracy in existing technologies and providing a simple and accurate measurement method.
Patent Information
- Application Number
- CN202520432584.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-12
AI Technical Summary
During testing, existing urban rail braking control devices suffer from insufficient distance measurement accuracy and high difficulty in measuring distance at physical scales, resulting in inadequate test accuracy.
A test device for urban rail braking control was designed. By setting a brake shoe body and a brake adjustment seat on the brake drum body, an automatic physical ruler distance measurement is achieved by using an electromagnet and a movable test strip. The distance measurement is performed by combining the brake test strip and the rotating disc.
It achieves high-precision automatic ranging with high measurement accuracy, simple measurement structure, and is suitable for repeated use, thus solving the problem of insufficient ranging accuracy in existing technologies.
Smart Images
Figure CN223756309U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of brake control testing device, concretely is urban rail brake control testing device. BACKGROUND
[0002] With the acceleration of urbanization process, urban rail transit (hereinafter referred to as "urban rail") as an efficient, convenient, large-capacity public transport mode, in the rapid development of major cities. The safe operation of urban rail vehicles is very important, and the braking system is one of the key subsystems to ensure its safe and reliable operation. As the core control component of the braking system, the brake control device is responsible for accurately adjusting the brake pressure, realizing the switching of the braking mode and working with other systems of the vehicle, and its performance directly affects the braking effect, driving safety and passenger comfort of the urban rail vehicle.
[0003] The existing urban rail brake control device usually adopts manual visual testing or testing according to comparison during the testing stage, and the distance is monitored intuitively by external route, but in the actual testing process, the brake testing distance accuracy may be relatively insufficient due to the brake distance or brake time problem, the brake usually adopts electronic ranging, and the ranging accuracy is relatively insufficient, and the physical scale ranging is relatively difficult, which is not convenient for testing, therefore, the urban rail brake control testing device is provided to solve the above problems. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides an urban rail brake control testing device, which has the advantages of automatic physical scale measuring, high ranging accuracy, low measuring difficulty and suitability for repeated use.
[0006] (II) Technical scheme
[0007] To achieve the above purpose, the utility model provides the following technical scheme: urban rail brake control testing device, including brake drum main part, brake shoe main part and brake adjustment seat, brake drum main part and brake shoe main part are matched and installed;
[0008] The brake adjustment seat is fixedly installed on the brake shoe main part, the brake test column and the brake test strip are arranged in the brake adjustment seat, the brake test strip is uniformly wound on the brake test column, one end of the brake test strip away from the brake test column extends out of the brake adjustment seat, the bottom of the movable test strip is magnetically attracted to the bottom of the brake adjustment seat, and the bottom of the movable test strip is provided with an electromagnet;
[0009] One end of the brake test strip away from the brake test column is connected with the movable test strip, and the electromagnet corresponds in position with the brake drum main part.
[0010] Preferably, the brake shoe body is sleeved and installed at the hub of the brake drum body, the brake adjusting seat is correspondingly installed on the side of the brake shoe body, and the brake adjusting seat is correspondingly arranged outside the hub of the brake drum body.
[0011] Preferably, the brake test column is rotationally connected to the inner side of the brake adjusting seat, the brake test strip is formed of a flexible ruler, and the brake test strip is wound on the brake test column.
[0012] Preferably, the movable test strip is provided with a magnetic attraction strip, the magnetic attraction strip is magnetically attracted and fixed to the bottom of the brake adjusting seat, and the movable test strip is magnetically attracted and installed on the bottom of the brake adjusting seat.
[0013] Preferably, the output end of the brake shoe body is electrically connected to the input end of the electromagnet, and the electromagnet is correspondingly magnetically attracted to the hub of the brake drum body.
[0014] Preferably, the outer side of the brake adjusting seat is provided with a rotating disc body, and one end of the brake test column, which is away from the brake shoe body, penetrates the brake adjusting seat and is fixedly connected with the rotating disc body.
[0015] Preferably, the rotating disc body is disc-shaped, and the disc body of the rotating disc body is uniformly provided with anti-skid particles.
[0016] Preferably, the electromagnet is a miniature electromagnetic device, the magnetic attraction end of the electromagnet corresponds to the hub of the brake drum body, and the bottom of the electromagnet is arc-shaped.
[0017] (Three) beneficial effects
[0018] Compared with the prior art, the utility model provides a city rail brake control test device, which has the following
[0019] Beneficial effects:
[0020] 1. The city rail brake control test device, which is provided with a brake shoe body on the hub of a brake drum body, can play a brake role, when the brake shoe body starts the brake operation, an electromagnet can be operated, the electromagnet can be magnetically attracted to the brake drum body after operation, a movable test strip is connected with a brake test strip, the brake test strip can be taken out according to the brake drum body, the rotation number and distance of the brake drum body can be directly measured according to the size of the brake test strip, the measurement accuracy is relatively high, the device has automatic physical ruler distance measurement, the distance measurement accuracy is high, the measurement difficulty is low, and the device is suitable for repeated use. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a front view of the structure of the utility model;
[0022] Figure 2 It is a side view of the structure of the utility model.
[0023] Figure 3 It is the front view three-dimensional schematic diagram of the movable test strip and electromagnet connecting structure of the utility model;
[0024] Figure 4 It is the front view sectional three-dimensional schematic diagram of the brake test column and brake test strip connecting structure of the utility model;
[0025] Figure 5 It is the bottom view sectional three-dimensional schematic diagram of the movable test strip and electromagnet connecting structure of the utility model.
[0026] In the drawing: 1, brake drum main body; 2, brake shoe main body; 3, brake adjusting seat; 4, brake test column; 5, brake test strip; 6, movable test strip; 7, electromagnet; 8, rotating disc body. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0028] Please refer to Figures 1-5 , the urban rail braking control test device, including brake drum main body 1, brake shoe main body 2 and brake adjusting seat 3, brake drum main body 1 and brake shoe main body 2 are matched and installed;
[0029] Brake adjusting seat 3 is fixedly installed on brake shoe main body 2, brake adjusting seat 3 is provided with brake test column 4 and brake test strip 5 in it, brake test strip 5 is evenly wound on brake test column 4, one end of brake test strip 5 away from brake test column 4 extends out of brake adjusting seat 3, the bottom of brake adjusting seat 3 is magnetically attracted with movable test strip 6, and the bottom of movable test strip 6 is provided with electromagnet 7;
[0030] One end of brake test strip 5 away from brake test column 4 is connected with movable test strip 6, and electromagnet 7 corresponds to the position of brake drum main body 1;
[0031] The beneficial effects expressed in this scheme are: by providing brake shoe body 2 on the hub of brake drum body 1, the brake effect can be achieved, brake shoe body 2 is fixedly installed with brake adjusting seat 3, brake adjusting seat 3 is provided with brake test column 4 and brake test strip 5 inside, brake test strip 5 can be wound around brake test column 4, which plays a winding bearing role, when brake shoe body 2 starts the brake operation, electromagnet 7 can be operated, electromagnet 7 can be magnetically attracted to brake drum body 1 after operation, driven by brake drum body 1, movable test strip 6 on electromagnet 7 is connected with brake test strip 5, so that brake test strip 5 can be driven by brake drum body 1, in normal state, movable test strip 6 can be magnetically attracted to brake adjusting seat 3, convenient to install, when electromagnet 7 operates, the magnetic force is greater than movable test strip 6, which can magnetically attract electromagnet 7 to brake drum body 1;
[0032] Thus, the distance is measured by brake test strip 5, the number of turns of brake drum body 1 and the distance can be directly measured by the size of brake test strip 5, the measurement accuracy is relatively high, the physical measurement method is simple in structure and convenient in measurement, so that the device has the advantages of automatic physical ruler distance measurement, high distance measurement accuracy and low measurement difficulty, and is suitable for repeated use.
[0033] Further, brake shoe body 2 is sleeved and installed on the hub of brake drum body 1, brake adjusting seat 3 is correspondingly installed on the side surface of brake shoe body 2, and brake adjusting seat 3 is correspondingly arranged on the outside of the hub of brake drum body 1.
[0034] By setting brake shoe body 2 sleeved and installed on the hub of brake drum body 1, brake shoe body 2 can brake brake drum body 1, brake adjusting seat 3 is correspondingly installed on the side surface of brake shoe body 2, which is convenient to install and does not block the brake operation.
[0035] Further, brake test column 4 is rotatably connected to the inner side of brake adjusting seat 3, brake test strip 5 is a soft ruler, and brake test strip 5 is wound around brake test column 4.
[0036] By setting brake test column 4 rotatably connected to the inner side of brake adjusting seat 3, brake test strip 5 can be stably supported, brake test strip 5 is a soft ruler, which can facilitate brake size measurement, brake test strip 5 is wound around brake test column 4, which is convenient to install and suitable for use.
[0037] Further, the movable test strip 6 is provided with a magnetic attraction strip, the magnetic attraction strip is magnetically attracted and fixed to the bottom of the brake adjusting seat 3, and the movable test strip 6 is magnetically attracted and installed on the bottom of the brake adjusting seat 3 by the magnetic attraction strip.
[0038] The movable test strip 6 is provided with a magnetic strip, and under normal circumstances, the movable test strip 6 can be magnetically attracted to the brake adjusting seat 3, and installation is convenient, when the electromagnet 7 operates, the magnetic force is greater than the movable test strip 6, and the electromagnet 7 can be magnetically attracted to the brake drum main body 1.
[0039] Further, the output end of the brake shoe main body 2 is electrically connected with the input end of the electromagnet 7, and the electromagnet 7 is correspondingly magnetically attracted to the hub of the brake drum main body 1.
[0040] By electrically connecting the output end of the brake shoe main body 2 with the input end of the electromagnet 7, the electromagnet 7 can be controlled to operate when the brake shoe main body 2 brakes, so that distance monitoring can be automatically performed, and the monitoring mode is physical monitoring, which is high in monitoring accuracy and convenient.
[0041] Further, the brake adjusting seat 3 is provided with a rotating disc body 8, and the brake test column 4 is fixedly connected with the rotating disc body 8 and penetrates through the brake adjusting seat 3 away from the brake shoe main body 2.
[0042] By arranging the rotating disc body 8, the brake test column 4 can be manually rotated and controlled from outside, so that the brake test strip 5 can be conveniently wound, and the practicability is excellent.
[0043] Further, the rotating disc body 8 is disc-shaped, and the disc body of the rotating disc body 8 is uniformly provided with anti-slip particles.
[0044] By arranging the rotating disc body 8 to be disc-shaped and arranging anti-slip particles at the edge, the rotating operation is facilitated, and the adaptability is good.
[0045] Further, the electromagnet 7 is a micro electromagnetic device, the magnetic attraction end of the electromagnet 7 corresponds to the hub of the brake drum main body 1, the bottom of the electromagnet 7 is arc-shaped, and the magnetic force strength of the electromagnet 7 is greater than the magnetic attraction strength of the movable test strip 6.
[0046] By arranging the electromagnet 7 to be a micro electromagnetic device, the electromagnet 7 can be stably magnetically attracted to the hub of the brake drum main body 1 after starting, the bottom of the electromagnet 7 is arc-shaped and magnetically attracted to the hub of the brake drum main body 1, the magnetic attraction is stable, and the magnetic force strength of the electromagnet 7 is greater than the magnetic attraction strength of the movable test strip 6, so that the movable test strip 6 can be magnetically attracted to the brake adjusting seat 3, installation is convenient, when the electromagnet 7 operates, the magnetic force is greater than the movable test strip 6, and the electromagnet 7 can be magnetically attracted to the brake drum main body 1.
[0047] It should be noted that the devices in the present application are common market devices, which can be selected according to needs during specific use, and the circuit connection relationship of each device is a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, which can be easily realized by those skilled in the art and belongs to the prior art, and will not be described in detail.
[0048] Working principle: A brake shoe body 2 is provided on the hub of the brake drum body 1, which can play a braking role. A brake adjustment seat 3 is fixedly installed on the brake shoe body 2, and a brake test column 4 and a brake test strip 5 are provided inside the brake adjustment seat 3. The brake test strip 5 can be wound around the brake test column 4 to play a winding and bearing role. When the brake shoe body 2 starts the braking operation, the electromagnet 7 can be operated. After the electromagnet 7 is operated, it can be magnetically attracted to the brake drum body 1. Driven by the brake drum body 1, the movable test strip 6 on the electromagnet 7 is connected to the brake test strip 5, so that the brake test strip 5 can be pulled out according to the braking of the brake drum body 1. Under normal conditions, the movable test strip 6 can be magnetically attracted to the brake adjustment seat 3, which is convenient for installation. When the electromagnet 7 is operated, the magnetic force is greater than that of the movable test strip 6, which can magnetically attract the electromagnet 7 to the brake drum body 1.
[0049] The distance is calculated by the brake test strip 5. The number of rotations of the brake drum body 1 and the distance can be directly measured by the dimensions brought out by the brake test strip 5. The measurement accuracy is relatively high. The physical measurement method has a simple measurement structure and convenient measurement method. The device has an automatic physical ruler for distance measurement. The distance measurement accuracy is high and the measurement difficulty is low. It is suitable for repeated use. It solves the problem that the distance measurement accuracy of existing testing devices is relatively insufficient, and the physical scale distance measurement is relatively difficult and inconvenient for testing.
[0050] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0051] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A device for testing the control of urban rail braking, comprising a brake drum body (1), a brake shoe body (2) and a brake adjustment seat (3), characterized in that: The brake drum body (1) and the brake shoe body (2) are matched and installed; The brake adjusting seat (3) is fixedly installed on the brake shoe body (2), the brake adjusting seat (3) is provided with a brake test column (4) and a brake test strip (5), the brake test strip (5) is uniformly wound on the brake test column (4), one end of the brake test strip (5) away from the brake test column (4) extends out of the brake adjusting seat (3), the bottom of the brake adjusting seat (3) is magnetically attracted to a movable test strip (6), the bottom of the movable test strip (6) is provided with an electromagnet (7); The brake test strip (5) is connected to the movable test strip (6) at one end away from the brake test column (4), and the electromagnet (7) corresponds to the position of the brake drum body (1).
2. The urban rail brake control test device according to claim 1, characterized in that: The brake shoe body (2) is sleeved and installed on the hub of the brake drum body (1), the brake adjusting seat (3) is correspondingly installed on the side of the brake shoe body (2), and the brake adjusting seat (3) is correspondingly arranged on the outside of the hub of the brake drum body (1).
3. The urban rail brake control test device according to claim 1, characterized in that: The brake test column (4) is rotatably connected to the inner side of the brake adjusting seat (3), the brake test strip (5) is composed of a flexible ruler, and the brake test strip (5) is wound on the brake test column (4).
4. The urban rail brake control test device according to claim 1, characterized in that: The movable test strip (6) is provided with a magnetic attraction strip, the magnetic attraction strip is magnetically fixed to the bottom of the brake adjusting seat (3), and the movable test strip (6) is magnetically installed on the bottom of the brake adjusting seat (3) by the magnetic attraction strip.
5. The urban rail brake control test device according to claim 1, characterized in that: The output end of the brake shoe body (2) is electrically connected to the input end of the electromagnet (7), and the electromagnet (7) is correspondingly magnetically attracted to the hub of the brake drum body (1).
6. The urban rail brake control test device according to claim 1, characterized in that: The outer side of the brake adjusting seat (3) is provided with a rotating disc body (8), one end of the brake test column (4) away from the brake shoe body (2) penetrates the brake adjusting seat (3) and is fixedly connected with the rotating disc body (8).
7. The urban rail brake control test device according to claim 6, characterized in that: The rotating disc body (8) is disc-shaped, and the disc body of the rotating disc body (8) is uniformly provided with anti-skid particles.
8. The urban rail brake control test device according to claim 1, characterized in that: The electromagnet (7) is a micro electromagnetic device, the magnetic attraction end of the electromagnet (7) corresponds to the hub of the brake drum body (1), and the bottom of the electromagnet (7) is arc-shaped.