Device for rapidly testing opening degree of plug-pull type door of subway train
By fixing laser rangefinders and feedback sensors to the doors of subway trains, a rapid testing device has been developed, which solves the problems of low efficiency and poor accuracy of traditional manual measurement. This device enables rapid and accurate detection of door opening, meeting the needs of efficient maintenance of subway trains.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional subway train door opening detection relies on manual measuring tools, which is inefficient and easily affected by human factors, resulting in inaccurate measurement results and failing to meet the needs of rapid detection and efficient maintenance.
A rapid testing device is adopted, which includes a mounting base, a laser rangefinder, a feedback sensor, and a flexible suction cup. The laser rangefinder and the feedback sensor are fixed to the car door through the adsorption and angle adjustment mechanism on the mounting base, so as to achieve rapid and accurate measurement of the car door opening.
It improves the speed and accuracy of door opening testing, enhances the portability of the device, facilitates the disassembly and fixing of the laser rangefinder sensor, and meets the needs of rapid testing and efficient maintenance of subway trains.
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Figure CN224034598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of subway train test, especially relates to a subway train sliding plug type door opening degree quick test device. BACKGROUND
[0002] The subway plug door is a common subway train door type, and the opening and closing process of the plug door combines translation and rotation two kinds of movement modes, when the door is opened, the door first translates outward, then the door moves towards the two sides to open, and when closing, the door first translates and touches together, then translates inward, and finally closely adheres to the car body.
[0003] In the daily maintenance and overhaul work of the subway train, the detection of the door opening degree is an important link, and the accuracy of the door opening degree is directly related to the safety of passengers and the operation efficiency of the train, and the traditional door opening degree detection method usually relies on manual measurement tools, such as a tape measure or a caliper, when the door is opened, the tape measure or the truck is directly measured by manual measurement, not only low efficiency, but also easily affected by human factors to cause the movement of the measurement tool, resulting in inaccurate measurement results, which is difficult to meet the needs of rapid detection and efficient maintenance of the subway train. UTILITY MODEL CONTENT
[0004] The main purpose of the utility model is to provide a subway train sliding plug type door opening degree quick test device, which can effectively solve the problem that when the door is opened, the tape measure or the truck is directly measured by manual measurement, not only low efficiency, but also easily affected by human factors to cause the movement of the measurement tool, resulting in inaccurate measurement results, which is difficult to meet the needs of rapid detection and efficient maintenance of the subway train.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:
[0006] A subway train sliding plug type door opening degree quick test device, comprising a fixed seat, a laser ranging sensor is arranged on the fixed seat, a battery is fixed on the fixed seat, a feedback sensor is arranged on one side of the laser ranging sensor, a display screen is installed on the laser ranging sensor, a fixing mechanism is arranged on the fixed seat, the fixing mechanism comprises a flexible suction cup one arranged on the fixed seat, the edge of the flexible suction cup one is fixedly connected with the fixed seat, a contact pad is fixed on the fixed seat, and an angle adjusting mechanism is arranged between the laser ranging sensor and the fixed seat.
[0007] By adopting the above technical scheme, the flexible suction cup on the fixing seat is in contact with and adsorbed on the vehicle door, the fixing seat is fixed on the vehicle door, and then the opening degree of the vehicle door is quickly tested by using the laser ranging sensor and the feedback sensor on the fixing seat, so that the opening degree of the vehicle door can be tested quickly and conveniently, the test result is accurate, the laser ranging sensor can be conveniently disassembled and fixed, and the portability of the whole device is improved.
[0008] Further, the fixing seat is slidably connected with a supporting rod, the supporting rod is fixedly connected with the middle part of the flexible suction cup one, a moving assembly is arranged between the fixing seat and the supporting rod, and a limiting assembly is arranged on the fixing seat.
[0009] By adopting the above technical scheme, the supporting rod is driven by the moving assembly to pull the flexible suction cup one, so that the laser ranging sensor on the fixing seat can be conveniently and quickly fixed on the vehicle door, and the opening degree of the vehicle door can be quickly tested.
[0010] Further, the moving assembly comprises two moving inclined blocks symmetrically fixed at two ends of the supporting rod, two symmetrical pressing rods are slidably connected to the fixing seat, a pressing inclined block is fixed to one end of each of the pressing rods close to the moving inclined block, and the inclined surfaces of the moving inclined blocks and the pressing inclined blocks are in contact.
[0011] By adopting the above technical scheme, the pressing inclined block extrudes the moving inclined block to make the moving inclined block slide, so that the moving inclined block can conveniently drive the supporting rod to move.
[0012] Further, the limiting assembly comprises a supporting block fixed to the fixing seat, the supporting block is close to one of the pressing rods, a limiting block is slidably connected to the supporting block, and limiting teeth are uniformly arranged on the pressing rod and the limiting block and face each other.
[0013] By adopting the above technical scheme, the limiting teeth on the limiting block limit the pressing rod, so that the pressing rod can move in one direction and the pressing inclined block can extrude the moving inclined block.
[0014] Further, a supporting spring is arranged between the supporting block and the limiting block, and both ends of the supporting spring are fixedly connected with the limiting block and the supporting block.
[0015] By adopting the above technical scheme, the supporting spring supports the limiting block, so that the limiting teeth on the limiting block can be engaged with the limiting teeth on the pressing rod.
[0016] Further, a pulling rod is fixed to one end of the limiting block away from the limiting teeth, and the pulling rod penetrates through the supporting block and is slidably connected with the supporting block.
[0017] By adopting the technical scheme, the pull rod is pulled, the pull rod drives the limiting block, and thus the limiting block can be conveniently separated from the pressing rod.
[0018] Further, the angle adjusting mechanism comprises a supporting disc fixed on the fixing seat, a rotating seat rotatably connected on the supporting disc, a fixing bolt threadedly connected on the side of the rotating seat, the fixing bolt penetrating through the rotating seat and abutting against the supporting disc, and the laser ranging sensor is fixedly connected with the rotating seat.
[0019] By adopting the technical scheme, the rotating seat drives the laser ranging sensor to rotate on the supporting disc, and thus the angle of the laser ranging sensor can be conveniently adjusted.
[0020] Further, the feedback sensor is provided with two flexible suction cups II, the edges of the flexible suction cups II are fixedly connected with the feedback sensor, and the two ends of the feedback sensor are threadedly connected with pull threaded rods, one end of each of the pull threaded rods is rotatably connected with the middle part of the flexible suction cup II.
[0021] By adopting the technical scheme, the pull threaded rod is rotated, the pull threaded rod drives the flexible suction cup II to be adsorbed on the door, and thus the feedback sensor can be conveniently fixed on the door.
[0022] In summary, the present application has at least one of the following beneficial effects.
[0023] 1. According to the utility model, the flexible suction cup I on the fixing seat abuts against the door, the flexible suction cup I is driven by the supporting rod to be adsorbed on the door, the fixing seat is fixed on the door, the feedback sensor is fixed on the other door, the opening degree of the door is quickly tested by the laser ranging sensor and the feedback sensor on the fixing seat, the opening degree of the door can be tested quickly and conveniently, the test result is accurate, the laser ranging sensor can be conveniently disassembled and fixed, and the portability of the whole device is improved.
[0024] 2. According to the utility model, the fixing bolt is rotated to be separated from the supporting disc, the laser ranging sensor is rotated to drive the rotating seat to rotate on the supporting disc, the fixing bolt is rotated again after the laser ranging sensor is adjusted, and the supporting disc and the rotating seat are fixed together again, the laser ranging sensor can be conveniently fixed on the door, the angle of the laser ranging sensor irradiating the feedback sensor can be conveniently adjusted, and the laser of the laser ranging sensor can irradiate the feedback sensor.
[0025] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 Fig. 1 is a first perspective structural schematic diagram of the opening quick testing device in the application;
[0027] Figure 2 Fig. 2 is a second perspective structural schematic diagram of the opening quick testing device in the application;
[0028] Figure 3 Fig. 3 is an internal structural schematic diagram of the opening quick testing device in the application;
[0029] Figure 4 Fig. 4 is a split schematic diagram of the opening quick testing device in the application;
[0030] Figure 5 Fig. 5 is a split schematic diagram of the limiting assembly in the application;
[0031] Figure 6 Fig. 6 is a structural schematic diagram of the feedback sensor in the application.
[0032] Legend of reference signs:
[0033] 1, laser ranging sensor; 2, feedback sensor; 3, battery; 4, display screen; 5, fixed seat; 6, fixed mechanism; 61, abutting pad; 62, flexible suction cup I; 63, support rod; 64, moving assembly; 641, moving inclined block; 642, pressing rod; 643, pressing inclined block; 65, limiting assembly; 651, support block; 652, limiting block; 653, limiting tooth; 654, support spring; 655, pulling rod; 7, angle adjusting mechanism; 71, support disc; 72, rotating seat; 73, fixed bolt; 8, flexible suction cup II; 9, pulling threaded rod. DETAILED DESCRIPTION
[0034] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application is further described below in combination with specific embodiments.
[0035] The application is further described in detail below in combination with the accompanying drawings. Figure 1 Fig. 1 is a first perspective structural schematic diagram of the opening quick testing device in the application;
[0036] The embodiment of the application discloses an opening quick testing device for a subway train sliding type door.
[0037] Reference is made to Figure 1 , Figure 2 and Figure 3The utility model provides a subway train serra type door opening degree quick test device, including fixed seat 5, be provided with laser ranging sensor 1 on fixed seat 5, fixed battery 3 on fixed seat 5, one side of laser ranging sensor 1 is provided with feedback sensor 2, install display screen 4 on laser ranging sensor 1, be provided with fixed mechanism 6 on fixed seat 5, and fixed mechanism 6 includes the flexible sucking disc no.
[0038] When using the serra type door opening degree quick test device, first, the flexible sucking disc no. 62 and the abutting pad 61 on the fixed mechanism 6 are used to abut against the surface of the door, so that the fixed seat 5 can be conveniently and quickly fixed on the door with a smooth surface. The abutting pad 61 increases the sealing property of the flexible sucking disc no. 62 abutting against the door, so that the fixed seat 5 is located at the edge of the door. Then, the flexible sucking disc no. 8 is adsorbed on the door. Then, the feedback sensor 2 is fixed on the other door. Then, the angle adjusting mechanism 7 on the fixed seat 5 drives the laser ranging sensor 1. Then, the laser on the laser ranging sensor 1 corresponds to the feedback sensor 2. Then, the two doors are opened from the closed state, and the two doors move away from each other. The laser emitted by the laser ranging sensor 1 always irradiates on the feedback sensor 2. After the two doors are completely opened, the opening degree between the two doors is measured by the laser ranging sensor 1. The control unit installed in the laser ranging sensor 1 processes the measured data, and then displays the data on the display screen 4. By abutting and adsorbing the flexible sucking disc no. 62 on the fixed seat 5 on the door, the fixed seat 5 is fixed on the door. Then, the laser ranging sensor 1 and the feedback sensor 2 on the fixed seat 5 are used to quickly test the opening degree of the door. Therefore, the test speed is fast and convenient when testing the opening degree of the door, the accuracy of the test result is improved, the laser ranging sensor 1 can be conveniently disassembled and fixed, and the portability of the whole device is improved.
[0039] Referring to Figure 2 , Figure 3 , Figure 4 and Figure 5 , the support rod 63 is slidably connected to the fixed seat 5, the support rod 63 is fixedly connected to the middle part of the flexible sucking disc no. 62, the moving assembly 64 is arranged between the fixed seat 5 and the support rod 63, and the limiting assembly 65 is arranged on the fixed seat 5.
[0040] In addition, the moving assembly 64 includes two moving inclined blocks 641 symmetrically fixed at both ends of the support rod 63, two symmetrical pressing rods 642 are slidably connected to the fixed seat 5, the pressing inclined block 643 is fixed to one end of the pressing rod 642 close to the moving inclined block 641, and the inclined surfaces of the moving inclined block 641 and the pressing inclined block 643 abut against each other.
[0041] And, the limiting assembly 65 includes a supporting block 651 fixed on the fixed seat 5, the supporting block 651 is close to one of the pressing rods 642, the supporting block 651 is slidably connected with a limiting block 652, the pressing rod 642 and the limiting block 652 are both provided with uniformly distributed limiting teeth 653, and the limiting teeth 653 are opposite to each other.
[0042] The supporting spring 654 is arranged between the supporting block 651 and the limiting block 652 in the embodiment, and the two ends of the supporting spring 654 are fixedly connected with the limiting block 652 and the supporting block 651.
[0043] The pulling rod 655 is fixed at one end of the limiting block 652 away from the limiting teeth 653 in the embodiment, the pulling rod 655 penetrates through the supporting block 651 and is slidably connected with the supporting block 651.
[0044] One side of the fixed seat 5 fixed with the flexible suction cup one 62 is abutted against the vehicle door, the middle part of the flexible suction cup one 62 is driven by the supporting rod 63 to move towards the fixed seat 5, the flexible suction cup one 62 is conveniently adsorbed on the vehicle door, the two pressing rods 642 simultaneously drive the pressing inclined blocks 643 to move towards the fixed block, the inclined surface of the pressing inclined block 643 extrudes the inclined surface of the moving inclined block 641, the moving inclined block 641 is conveniently slid in the fixed seat 5, the supporting plate is driven by the moving inclined block 641 in the moving process, the flexible suction cup one 62 is conveniently driven by the supporting rod 63, the negative pressure is formed between the flexible suction cup one 62 and the vehicle door, the flexible suction cup one 62 is adsorbed on the vehicle door, the limiting teeth 653 inclined surfaces on the pressing rod 642 abut against the limiting teeth 653 inclined surfaces on the limiting block 652 in the moving process of the pressing rod 642, the limiting block 652 moves away from the pressing rod 642, the limiting block 652 does not hinder the normal movement of the pressing rod 642 when the pressing rod 642 drives the pressing inclined block 643, the limiting block 652 extrudes the supporting spring 654 when the limiting block 652 slides on the supporting block 651, the supporting spring 654 pushes the limiting block 652 when the pressing rod 642 stops moving, the limiting teeth 653 on the limiting block 652 are engaged with the limiting teeth 653 on the pressing rod 642, the limiting block 652 limits the pressing rod 642, and the pressing inclined block 643 keeps extruding the moving inclined block 641.
[0045] When the laser ranging sensor 1 needs to be removed from the vehicle door, the pull rod 655 is pulled, the pull rod 655 drives the limiting block 652 away from the pressing rod 642, the limiting teeth 653 on the limiting block 652 are separated from the limiting teeth 653 on the pressing rod 642, the negative pressure between the flexible suction cup 62 and the vehicle door resets the flexible suction cup 62, the flexible suction cup 62 drives the supporting rod 63, the supporting rod 63 drives the moving inclined block 641, the moving inclined block 641 resets the pressing inclined block 643 and the pressing rod 642, the fixed seat 5 is separated from the vehicle door, the flexible suction cup 62 on the fixed seat 5 is pressed against the vehicle door, and then the two pressing rods 642 are pressed, the two pressing rods 642 drive the pressing inclined block 643, the pressing inclined block 643 drives the moving inclined block 641, the moving inclined block 641 drives the supporting rod 63, the supporting rod 63 drives the middle part of the flexible suction cup 62, the flexible suction cup 62 and the vehicle door are reset, and the fixed seat 5 supports the laser ranging sensor 1 to be fixed on the vehicle door, so that the laser ranging sensor 1 on the fixed seat 5 can be conveniently and quickly fixed on the vehicle door, and the opening degree of the vehicle door can be quickly tested.
[0046] With reference to Figure 2 , Figure 3 and Figure 4 , the angle adjusting mechanism 7 comprises a supporting disc 71 fixed on the fixed seat 5, the supporting disc 71 is sleeved with a rotating seat 72 connected in rotation, the side of the rotating seat 72 is threadedly connected with a fixing bolt 73, the fixing bolt 73 penetrates through the rotating seat 72 and abuts against the supporting disc 71, and the laser ranging sensor 1 is fixedly connected with the rotating seat 72.
[0047] After the fixed seat 5 is fixed on the vehicle door, the fixing bolt 73 is rotated to be separated from the abutment against the supporting disc 71, so that the supporting disc 71 and the rotating seat 72 are conveniently rotated, the rotating seat 72 rotates on the supporting disc 71, the rotating seat 72 drives the laser ranging sensor 1, the laser ranging sensor 1 can be conveniently rotated according to the rotation of the rotating seat 72, the fixing bolt 73 is separated from the abutment against the supporting disc 71 by rotating the fixing bolt 73, then the laser ranging sensor 1 is rotated to drive the rotating seat 72 to rotate on the supporting disc 71, and after the laser ranging sensor 1 is adjusted, the fixing bolt 73 is rotated again to fix the supporting disc 71 and the rotating seat 72 together, so that the laser ranging sensor 1 can be conveniently fixed on the vehicle door, the angle of the laser ranging sensor 1 irradiating the feedback sensor 2 can be conveniently adjusted, and the laser of the laser ranging sensor 1 can irradiate the feedback sensor 2.
[0048] With reference to Figure 2 and Figure 6The two ends of the feedback sensor 2 are provided with flexible suction cups two 8, the edges of the flexible suction cups two 8 are fixedly connected with the feedback sensor 2, the two ends of the feedback sensor 2 are threadedly connected with pulling threaded rods 9, and one end of the pulling threaded rod 9 is rotatably connected with the middle part of the flexible suction cup two 8. One side of the feedback sensor 2 fixed with the flexible suction cup two 8 is abutted against the door, and negative pressure is generated between the flexible suction cup two 8 and the door, so that the feedback sensor 2 is fixed on the door. Rotating the pulling threaded rod 9, the pulling threaded rod 9 drives the flexible suction cup two 8, so that negative pressure is generated between the door and the flexible suction cup two 8. By rotating the pulling bolt, the pulling bolt drives the flexible suction cup two 8, and the flexible suction cup two 8 is adsorbed on the door, so that the feedback sensor 2 can be conveniently fixed on the door.
[0049] Working principle: when the opening degree of the subway sliding door is tested, the flexible suction cup one 62 on the fixed seat 5 is abutted against the door, then the lower pressing block is squeezed, the two lower pressing rods 642 drive the lower pressing inclined block 643, the lower pressing inclined block 643 squeezes the moving inclined block 641, and the moving inclined block 641 drives the supporting rod 63 when moving in the fixed seat 5, the supporting rod 63 drives the flexible suction cup one 62, negative pressure is generated between the flexible suction cup one 62 and the door, the fixed seat 5 is fixed on the door, and the laser ranging sensor 1 is supported by the fixed seat 5, then one side of the feedback sensor 2 fixed with the flexible suction cup two 8 is abutted against the other door, then the pulling threaded rod 9 drives the flexible suction cup two 8, negative pressure is generated between the flexible suction cup two 8 and the door, and the feedback sensor 2 is fixed on the door.
[0050] Then the fixed bolt 73 on the rotating seat 72 is rotated, the fixed bolt 73 is separated from the abutment against the supporting disc 71, then the laser ranging sensor 1 is rotated, the laser ranging sensor 1 drives the rotating seat 72 to rotate on the supporting disc 71, the laser ranging sensor 1 is directed to the feedback sensor 2, finally the fixed bolt 73 is rotated again, the fixing of the laser ranging sensor 1 and the feedback sensor 2 is completed, then the two doors are opened from the closed state, the two doors are away from each other, and the laser emitted by the laser ranging sensor 1 always irradiates on the feedback sensor 2. After the two doors are completely opened, the opening degree between the two doors is measured by the laser ranging sensor 1.
[0051] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A rapid testing device for the opening of a metro train's sliding door, comprising a fixed base (5), characterized in that: A laser rangefinder sensor (1) is provided on the fixed base (5), a battery (3) is fixed on the fixed base (5), a feedback sensor (2) is provided on one side of the laser rangefinder sensor (1), a display screen (4) is installed on the laser rangefinder sensor (1), a fixing mechanism (6) is provided on the fixed base (5), the fixing mechanism (6) includes a flexible suction cup (62) provided on the fixed base (5), the edge of the flexible suction cup (62) is fixedly connected to the fixed base (5), an abutment pad (61) is fixed on the fixed base (5), and an angle adjustment mechanism (7) is provided between the laser rangefinder sensor (1) and the fixed base (5).
2. The rapid testing device for the opening degree of a metro train sliding door as described in claim 1, characterized in that: A support rod (63) is slidably connected inside the fixed base (5). The support rod (63) is fixedly connected to the middle of the flexible suction cup (62). A moving component (64) is provided between the fixed base (5) and the support rod (63). A limit component (65) is provided on the fixed base (5).
3. The rapid testing device for the opening degree of a metro train sliding door as described in claim 2, characterized in that: The movable component (64) includes two symmetrically fixed movable inclined blocks (641) at both ends of the support rod (63). Two symmetrical downward pressing rods (642) are slidably connected on the fixed base (5). A downward pressing block (643) is fixed to one end of the downward pressing rod (642) near the movable inclined block (641). The inclined surfaces of the movable inclined block (641) and the downward pressing block (643) abut against each other.
4. The rapid testing device for the opening degree of a metro train sliding door as described in claim 3, characterized in that: The limiting component (65) includes a support block (651) fixed on a fixed base (5). The support block (651) is close to one of the pressing rods (642). A limiting block (652) is slidably connected on the support block (651). Both the pressing rod (642) and the limiting block (652) are provided with evenly distributed limiting teeth (653) facing opposite directions.
5. The rapid testing device for the opening degree of a metro train sliding door as described in claim 4, characterized in that: A support spring (654) is provided between the support block (651) and the limiting block (652), and both ends of the support spring (654) are fixedly connected to the limiting block (652) and the support block (651).
6. The rapid testing device for the opening degree of a metro train sliding door as described in claim 5, characterized in that: The end of the limiting block (652) away from the limiting tooth (653) is fixed with a pull rod (655), which passes through the support block (651) and is slidably connected to the support block (651).
7. The rapid testing device for the opening degree of a metro train sliding door as described in claim 1, characterized in that: The angle adjustment mechanism (7) includes a support plate (71) fixed on a fixed base (5). A rotating seat (72) is rotatably connected to the support plate (71). A fixing bolt (73) is threadedly connected to the side of the rotating seat (72). The fixing bolt (73) passes through the rotating seat (72) and abuts against the support plate (71). The laser rangefinder (1) is fixedly connected to the rotating seat (72).
8. The rapid testing device for the opening degree of a metro train plug-type door according to claim 1, characterized in that: Both ends of the feedback sensor (2) are provided with flexible suction cups (8). The edges of the flexible suction cups (8) are fixedly connected to the feedback sensor (2). Both ends of the feedback sensor (2) are threadedly connected with pull thread rods (9). One end of the pull thread rods (9) is rotatably connected to the middle of the flexible suction cups (8).