Bullet train vigilance pedal test bench
By designing a high-speed train alert foot pedal test bench, and simulating actual working conditions for automatic testing, the problem of incomplete detection of the alert foot pedal device in the high-speed train driver's cab was solved, the accuracy and efficiency of testing were improved, the cost of fault analysis was reduced, and safety and economic benefits were enhanced.
Patent Information
- Application Number
- CN202423282108.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The foot pedals in the driver's cab of high-speed trains suffer from incomplete fault detection during use, making maintenance time-consuming and labor-intensive, posing safety hazards that are difficult to eliminate, and making it difficult to guarantee the quality of the products.
A high-speed train alert foot pedal test bench was designed, comprising a machine base, computer, insertion mechanism, stepping mechanism, and pressure sensor. It simulates the actual working mode, realizes automatic test recording and storage, and improves the accuracy and efficiency of detection.
It enables intelligent testing of the alert foot pedal, allowing for early detection of soft faults, shortening the fault analysis cycle, reducing manpower and material consumption, and improving yield and economic benefits.
Smart Images
Figure CN223870308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bullet train footstep technical field especially relates to a bullet train alert footstep test bench. BACKGROUND
[0002] The alert footstep of the motor train unit is one of the important safety devices of the motor train unit, is mainly used for cutting off power rapidly under the emergency, and ensures train operation safety. The driver needs to keep alert at all times, needs to press the pedal within 30 intervals, to ensure train operation safety, if the driver does not press the pedal within the stipulated time, the alert device will trigger an alarm, reminds the driver to make a response, if the driver still does not press the pedal within a period of time after the alarm, the safety system of the train will automatically start the braking program, makes the train gradually decelerate and finally stops.
[0003] The alert footstep device of the driver's room of the motor train unit has the problem of poor effect in the use process, along with the use life is too long, the use accessory cannot be smoothly deployed, and after the problem appears, during the ground maintenance, the frequency and quantity of pressing of the test of the maintenance personnel far cannot reach the actual situation on the spot, leads many softness or bad problems to be difficult to dig, the personnel of the maintenance personnel is consumed more, the time and energy are larger, the safety hidden danger cannot be eliminated, the good product rate of the rework has not obtained the complete test and experiment, therefore, in order to make up the blank of the alert footstep detection of the driver's room of the motor train unit, we propose a bullet train alert footstep test bench. SUMMARY
[0004] Therefore, the utility model discloses the purpose at, provide a kind of bullet train alert footstep test bench, can intelligent test, realize test record automatic save, improve the good product rate of alert footstep switch on car, eliminate safety hidden danger.
[0005] In order to achieve the above-mentioned purpose, and the technical scheme taken is as follows:
[0006] The bullet train alert footstep test bench includes a machine table, a computer is installed on the machine table, and a plug-in mechanism for installing the alert footstep and a treading mechanism for pressing the alert footstep are arranged on the machine table.
[0007] The treading mechanism includes a sliding guide rail, a mounting bracket, a motor and a multi-link mechanism. The sliding guide rail is installed on the machine table, a sliding base is installed on the sliding guide rail, the mounting bracket is installed on the sliding base, the motor is installed on the upper part of the mounting bracket, the multi-link mechanism is slidably installed on the mounting bracket, and the output end of the motor is connected with the multi-link mechanism.
[0008] The multi-connecting rod mechanism comprises a lifting rod, a connecting rod and a driving rod, one end of the driving rod is fixedly connected with an output end of a motor, the other end of the driving rod is rotatably connected with one end of the connecting rod, the other end of the connecting rod is connected with the upper end of the lifting rod, the lifting rod is slidably arranged on a linear bearing, the linear bearing is vertically arranged on a mounting frame, a pressure sensor is arranged on the lower end of the lifting rod, and a plug-in mechanism is arranged directly below the lifting rod.
[0009] The pressure sensor and the alert pedal are electrically connected with the computer.
[0010] As a further improvement of the utility model, the plug-in mechanism comprises a bottom plate, two symmetrical sliding grooves are fixedly arranged on the bottom plate, the sliding grooves are in a shape of a Chinese character, the openings of the two sliding grooves are oppositely arranged, and the mounting plates on the bottom of the alert pedal are inserted into the two sliding grooves.
[0011] As a further improvement of the utility model, a screw sleeve is arranged on the back of the sliding base, a through hole is arranged on the back of the sliding base, the through hole and the screw hole of the screw sleeve are coaxially arranged, a limiting screw rod is threadedly connected on the screw sleeve, a rubber pad is fixedly arranged on the end of the limiting screw rod arranged in the through hole, a rotating head is fixedly arranged on the outer end of the limiting screw rod, the rotating head is rotated to rotate the limiting screw rod into the screw sleeve, the rubber pad contacts and presses the sliding guide rail, and the positioning of the pedal mechanism is realized.
[0012] The utility model discloses the beneficial effects are:
[0013] The device simulates the actual working mode of the alert pedal of the motor train unit, guarantees the accuracy of the experiment, can early discover soft faults, saves test records, is convenient for regular research of maintenance personnel, greatly reduces the situation that the fault analysis period is too long in the operation process, reduces the manpower and material resources for checking system fault point reasons, reduces the invalid fault analysis cost of maintenance and maintenance and technical personnel, and indirectly improves the economic benefit of the station section. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings constituting a part of the present application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the explanation thereof are used to explain the utility model, and do not constitute improper limitation to the utility model.
[0015] Fig. 1 It is the structural schematic diagram of the utility model;
[0016] Fig. 2 It is the structural schematic diagram of the plug-in mechanism in the utility model;
[0017] Fig. 3 It is the structural schematic diagram of the limiting and fixing of the limiting screw rod to the sliding base in the utility model. PREFERRED EMBODIMENT
[0018] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0019] In order to enable the person skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.
[0020] Please refer to Figs. 1-3 , the motor car alert footrest test bench, including machine table 1, the computer is installed on the machine table 1, the machine table 1 is provided with the plug-in mechanism 3 of installing alert footrest 2 and the treading mechanism 4 of pressing alert footrest 2;
[0021] Treading mechanism 4, including sliding guide rail 41, mounting bracket 42, motor 43 and multi-link mechanism 44, sliding guide rail 41 is installed on the machine table 1, sliding guide rail 41 is installed on the sliding base 45, mounting bracket 42 is installed on the sliding base 45, motor 43 is installed on the upper portion of mounting bracket 42, multi-link mechanism 44 is slidably installed on mounting bracket 42, and the output end of motor 43 is connected with multi-link mechanism 44;
[0022] Multi-link mechanism 44, including lifting rod 441, connecting rod 442 and driving rod 443, one end of driving rod 443 is fixedly connected with the output end of motor 43, the other end of driving rod 443 is rotatably connected with one end of connecting rod 442, the other end of connecting rod 442 is connected with the upper end of lifting rod 441, lifting rod 441 is slidably arranged on linear bearing 444, linear bearing 444 is vertically installed on mounting bracket 42, pressure sensor 445 is installed on the lower end of lifting rod 441, plug-in mechanism 3 is arranged directly below lifting rod 441;Pressure sensor 445, alert footrest 2 and motor 43 are electrically connected with the computer.
[0023] Plug-in mechanism 3 includes bottom plate 31, two symmetrical slide grooves 32 are fixedly installed on the bottom plate 31, the slide grooves 32 are in the shape of a Chinese character, the openings of the two slide grooves 32 are oppositely arranged, and the mounting plates on both sides of the bottom of alert footrest 2 are inserted into the two slide grooves 32.
[0024] The sliding base 45 is provided with a threaded sleeve 46 at the back, and a through hole is formed at the back of the sliding base 45, which is coaxial with the threaded hole of the threaded sleeve 46. The threaded sleeve 46 is threadedly connected with a limiting screw rod 47, the end of the limiting screw rod 47 penetrating through the through hole is fixedly provided with a rubber pad 48, and the outer end of the limiting screw rod 47 is fixedly provided with a screw head 49. The screw head 49 is rotated to rotate the limiting screw rod 47 into the threaded sleeve 46, and the rubber pad 48 contacts and presses the sliding guide rail 41, so that the positioning of the treading mechanism 4 is realized.
[0025] In use, the motor 43 is started in the computer-implanted system, the motor 43 drives the driving rod 443 to rotate, the driving rod 443 drives the lifting rod 441 to perform up-and-down lifting action through the connecting rod 442, the lifting rod 441 drives the pressure sensor 445 to tread the treading alert pedal 2 at the lower end, the pressure sensor 445 uploads the pressure data of treading the treading alert pedal 2 to the computer, records the data and forms a linear graph; the position of the lifting rod 441 driving the pressure sensor 445 to tread the treading alert pedal 2 needs to be divided into three positions: left, middle and right, and each position is treaded repeatedly N times, the computer records and forms a linear graph and stores it, and the test result can be directly obtained by observing the linear graph.
[0026] The above only describes preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A high-speed train foot pedal test bench, including a machine base, on which a computer is installed, characterized in that: The machine is equipped with an insertion mechanism for installing the warning foot pedal and a stepping mechanism for pressing down the warning foot pedal; The pedaling mechanism includes a sliding guide rail, a mounting frame, a motor, and a multi-link mechanism. The sliding guide rail is mounted on the machine base, and a sliding base is mounted on the sliding guide rail. The mounting frame is mounted on the sliding base, the motor is mounted on the upper part of the mounting frame, and the multi-link mechanism is slidably mounted on the mounting frame. The output end of the motor is connected to the multi-link mechanism. The multi-link mechanism includes a lifting rod, a connecting rod, and a drive rod. One end of the drive rod is fixedly connected to the output end of the motor, and the other end of the drive rod is rotatably connected to one end of the connecting rod. The other end of the connecting rod is connected to the upper end of the lifting rod. The lifting rod slides through a linear bearing, which is vertically mounted on a mounting bracket. A pressure sensor is installed at the lower end of the lifting rod, and an insertion mechanism is located directly below the lifting rod. The pressure sensor, alert foot pedal, and motor are electrically connected to the computer.
2. The high-speed train alert foot pedal test bench according to claim 1, characterized in that, The insertion mechanism includes a base plate, on which two sliding grooves are symmetrically fixed. The sliding grooves are U-shaped and their openings face each other. The mounting plate at the bottom of the foot pedal is inserted into the two sliding grooves on both sides.
3. The high-speed train alert foot pedal test bench according to claim 1, characterized in that, A threaded sleeve is installed on the back of the sliding base. A through hole is opened on the back of the sliding base. The through hole and the threaded hole of the threaded sleeve are set on the same axis. A limit screw is threadedly connected to the threaded sleeve. A rubber pad is fixedly installed at the end of the limit screw that passes through the through hole. A screwing head is fixedly installed at the outer end of the limit screw. When the screwing head is rotated, the limit screw is screwed into the threaded sleeve. The rubber pad contacts and squeezes the sliding guide rail to achieve the positioning of the pedal mechanism.