Axle counting and speed measuring control device special for railway based on Doppler microwave radar
By combining the Doppler microwave radar device with the ratchet self-locking structure and shock absorber, the problems of inconvenient disassembly and assembly and vibration damage of railway axle counting speed control devices are solved, achieving rapid installation, stable use and long service life.
Patent Information
- Application Number
- CN202520129012.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing railway axle speed control devices are inconvenient to disassemble and install, and are easily damaged by vehicle vibration.
The design incorporates a Doppler microwave radar device combined with a self-locking structure of ratchet and ratchet grooves and a shock-absorbing rod design to achieve rapid installation and disassembly, and eliminates the impact of vibration through the shock-absorbing rod.
This enables rapid installation and disassembly of the device, avoiding loosening and damage caused by vibration, and improving the stability and service life of the device.
Smart Images

Figure CN223686576U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to railway safety technical field, concretely is the railway special axle speed measurement control device based on doppler microwave radar. BACKGROUND
[0002] Railway is an important land transport tool, is used for the vehicle such as train travel, and as an important land transport tool, has efficient, energy saving, comfortable etc., has been widely applied in the global scope. With the progress of science and technology and the development of economy, railway will continue to play an important role, and provide more convenient, efficient service for people's travel and freight transport, and the vehicle that travels in railway usually uses the axle speed measurement device to measure the speed of vehicle travel, so as to prevent danger when the speed is too fast, and the existing axle speed control device is not convenient to quickly disassemble and assemble when in use, and is very inconvenient to disassemble or install, and the track will vibrate due to the vehicle travel, and long-term vibration can cause the device to be damaged. SUMMARY
[0003] (I) technical problem solved
[0004] In view of the deficiencies of prior art, the utility model provides the railway special axle speed measurement control device based on doppler microwave radar, and solves the problems in the above background art.
[0005] (II) technical scheme
[0006] In order to achieve the above object, the utility model is realized by the following technical scheme: including rail, the inside of the rail is provided with hole, the inside of the hole is penetrated and movably installed with back buckle, the inside of the back buckle is provided with ratchet groove, one end of the inside of the back buckle is provided with through hole, the middle part of the back buckle is provided with screw hole, the other side of the rail is movably installed with front plate, the two ends of the one side of the front plate are all fixedly connected with connecting column, two connecting columns are respectively matched with both ends of back buckle, the inside of the connecting column is provided with a plurality of movable grooves that are arranged in annular array, the inside of a plurality of movable grooves is movably installed with ratchet bolt, the ratchet bolt is matched with ratchet groove, the other end of a plurality of ratchet bolts is all fixedly connected with spring, the inside of the connecting column is movably installed with movable column, the middle part of one end of a plurality of ratchet bolts connected with spring is all fixedly connected with pull rope, the other end of a plurality of pull ropes is all fixedly connected with movable column, the both ends of the front plate are all penetrated and movably connected with bolt, the other end of the bolt is matched with screw hole.
[0007] Optionally, one end of the movable column is provided with recess, the position of the recess corresponds with the through hole, the pull rope is composed of steel wire rope.
[0008] Optionally, the other side of the front plate is symmetrically and fixedly connected with a support, and the other end of the two supports is fixedly connected with a box.
[0009] Optionally, the top end of the box is provided with a detection window, and the inner side of the detection window is fixedly connected with a baffle composed of tempered glass.
[0010] Optionally, the inner side of the bottom end of the box is fixedly connected with a plurality of first damping rods arranged in a rectangular array, and the top end of the plurality of first damping rods is fixedly connected with a floating frame.
[0011] Optionally, the inner side of the floating frame is slidably connected with a translation frame.
[0012] Optionally, the inner side of the floating frame is symmetrically and fixedly connected with a second damping rod at both ends, and the end of the two second damping rods close to each other is fixedly connected with the two ends of the translation frame.
[0013] Optionally, the inner side of the translation frame is fixedly connected with a main body, and the main body is built-in Doppler radar.
[0014] (Three) beneficial effects
[0015] The utility model provides a railway special axle counting speed control device based on Doppler microwave radar has the following beneficial effects:
[0016] 1、 this railway special axle counting speed control device based on Doppler microwave radar, through the cooperation of bolt and screw hole can gather the back buckle and the front plate with each other, to realize installation, also utilize the cooperation of ratchet bolt and ratchet groove, to realize the limit after installation automatically, avoid the device installation loose due to the vibration produced when the train is running.
[0017] 2、 this railway special axle counting speed control device based on Doppler microwave radar, through the first damping rod and the second damping rod can eliminate the vibration produced when the train is running greatly, and then can protect the main body, avoid the inside structure to be damaged due to vibration. DRAWINGS
[0018] Figure 1 It is the three-dimensional schematic view of the structure of the utility model;
[0019] Figure 2 It is the sectional view schematic view of the structure of the utility model;
[0020] Figure 3 It is the connection schematic view of the front plate and the support of the structure of the utility model;
[0021] Figure 4 It is the sectional view schematic view of the back buckle structure of the utility model;
[0022] Figure 5 The utility model discloses Figure 2 The enlarged schematic view of the structure in the middle A area;
[0023] Figure 6 The utility model discloses Figure 2 The enlarged schematic view of the structure in the middle B area.
[0024] In the drawing: 1, rail;2, hole;3, back buckle;4, ratchet groove;5, through hole;6, screw hole;7, front plate;8, connecting column;9, movable slot;10, ratchet bolt;11, spring;12, movable column;13, pull rope;14, bolt;15, support;16, box;17, detection window;18, first shock absorbing rod;19, floating frame;20, translation frame;21, second shock absorbing rod;22, main body. DETAILED DESCRIPTION
[0025] 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, rather than all the embodiments.
[0026] Embodiment 1
[0027] Please refer to Figure 1 、 3 , 4, 5 and 6, the utility model provides technical scheme: the railway special axle measurement speed control device based on doppler microwave radar, including the rail 1, the inside of the rail 1 is set with hole 2, the inside of hole 2 is through and movablely installed with back buckle 3, the inside of back buckle 3 is set with ratchet groove 4, one end of the inside of back buckle 3 is equipped with through hole 5, the middle part of back buckle 3 is equipped with screw hole 6, the other side of rail 1 is movably installed with front plate 7, the one side of front plate 7 both ends is fixedly connected with connecting column 8, two connecting columns 8 are respectively matched with the both ends of back buckle 3, the inside of connecting column 8 is set with a plurality of movable slots 9 that are annularly arrayed, the inside of a plurality of movable slots 9 is movably installed with ratchet bolt 10, ratchet bolt 10 is matched with ratchet groove 4, one end of a plurality of ratchet bolts 10 is fixedly connected with spring 11, the inside of connecting column 8 is movably installed with movable column 12, one end of movable column 12 is equipped with recess, the position of recess corresponds with through hole 5, one end of a plurality of ratchet bolts 10 is fixedly connected with pull rope 13 in the middle part, pull rope 13 is made of steel wire rope, the other end of a plurality of pull ropes 13 is fixedly connected with movable column 12, the both ends of front plate 7 are through and movably connected with bolt 14, the other end of bolt 14 is matched with screw hole 6 by screwing, and back buckle 3 and front plate 7 can be gathered to each other by the cooperation of bolt 14 and screw hole 6, so as to realize installation, also by the cooperation of ratchet bolt 10 and ratchet groove 4, limiting can be automatically realized after installation, so as to avoid that the device is loose due to the vibration generated when the train is running.
[0028] In use, first utilize the connecting column 8 through the hole 2, and with the back buckle 3 is adapted, through manual gathers after each other can make the front plate 7 and the back buckle 3 realizes the connection, the connecting column 8 and the back buckle 3 connection in the cooperation with spring 11 can make the ratchet bolt 10 in the movable slot 9 inside activity, after connection can realize self-locking, by rotating bolt 14 makes it with the threaded hole 6 is adapted after can make the front plate 7 and the back buckle 3 connection is more closely, so can make the device is more stable after installation, at the same time, due to the ratchet bolt 10 and the ratchet slot 4 cooperation after reaching the self-locking effect, can not cause the device installation loosening in the vibration of the rail 1 caused by train running, when needing to disassemble, the rod-shaped object with the diameter less than the through hole 5 is passed through the through hole 5, after pushing the movable column 12 moves to one end, can make multiple ratchet bolts 10 retract in the movable slot 9 under the pulling of the pull rope 13 not with the ratchet slot 4 cooperation, so the device can be disassembled, installation and disassembly are very convenient.
[0029] Embodiment 2
[0030] Please see Figure 2 The utility model provides technical schemes: railway special axle speed control device based on doppler microwave radar, specifically, the other side of front plate 7 is fixedly connected with support 15 in symmetry, the other end of two supports 15 is fixedly connected with box 16, the top of box 16 is equipped with detection window 17, the inboard of detection window 17 is fixedly connected with baffle of steel glass material quality, the inboard bottom of box 16 is fixedly connected with first damping rod 18 of rectangular array distribution, the top of multiple first damping rods 18 is simultaneously fixedly connected with floating frame 19, the inboard of floating frame 19 is slidably connected with translation frame 20, the inboard both ends of floating frame 19 are fixedly installed with second damping rod 21 in symmetry, the both ends of two second damping rods 21 are fixedly connected with the both ends of translation frame 20, the inboard of translation frame 20 is fixedly installed with main part 22, and main part 22 is built-in doppler radar, and the doppler radar is a kind of radar system using doppler effect to detect the position and relative motion speed of moving target, the vibration due to train running can be substantially eliminated by first damping rod 18 and second damping rod 21, and then the main part 22 can be protected, to avoid the damage of inboard structure due to vibration.
[0031] In use, utilize first damping rod 18 and second damping rod 21 can absorb the vibration of main part 22 indirectly caused by the vibration of rail 1 due to train running, so that it is not affected or greatly reduced by vibration, so that the effect is better when using.
[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A Doppler microwave radar based axle counter for railway, comprising a rail (1), characterized in that: The inner side of the rail (1) is provided with a hole (2), the inner side of the hole (2) is through and movably installed with a back buckle (3), the inner side of the back buckle (3) is provided with a ratchet groove (4), one end of the inner side of the back buckle (3) is provided with a through hole (5), the middle part of the back buckle (3) is provided with a threaded hole (6), the other side of the rail (1) is movably installed with a front plate (7), one side of the front plate (7) is fixedly connected with a connecting column (8) at both ends, two connecting columns (8) are respectively matched with both ends of the back buckle (3), the inner side of the connecting column (8) is provided with a plurality of annular array distributed movable grooves (9), the inner side of a plurality of movable grooves (9) is movably installed with a ratchet bolt (10), the ratchet bolt (10) is matched with the ratchet groove (4), the other end of a plurality of ratchet bolts (10) is fixedly connected with a spring (11), the inner side of the connecting column (8) is movably installed with a movable column (12), the middle part of one end of a plurality of ratchet bolts (10) connected with springs (11) is fixedly connected with a pull rope (13), the other end of a plurality of pull ropes (13) is fixedly connected with the movable column (12), both ends of the front plate (7) are through and movably connected with a bolt (14), the other end of the bolt (14) is matched with the threaded hole (6) in screw thread.
2. Doppler microwave radar based axle-specific speed control device for railways according to claim 1, characterized in that: One end of the movable column (12) is provided with a groove, the position of the groove corresponds to the through hole (5), the pull rope (13) is composed of a steel wire rope.
3. Doppler microwave radar based axle specific speed control device for railways according to claim 1, characterized in that: The other side of the front plate (7) is fixedly connected with a support (15) in symmetry, the other end of two supports (15) is fixedly connected with a box body (16).
4. Doppler microwave radar based axle specific speed control device for railways according to claim 3, characterized in that: The top end of the box body (16) is provided with a detection window (17), the inner side of the detection window (17) is fixedly connected with a baffle composed of a tempered glass material.
5. Doppler microwave radar based railway specific axle speed control device according to claim 3, characterized in that: The inner side of the box body (16) is fixedly connected with a plurality of first damping rods (18) arranged in a rectangular array, the top end of a plurality of first damping rods (18) is fixedly connected with a floating frame (19) at the same time.
6. Doppler microwave radar based railway specific axle speed control device according to claim 5, characterized in that The inner side of the floating frame (19) is slidably connected with a translation frame (20).
7. Doppler microwave radar based railway specific axle speed control device according to claim 5, characterized in that: The inner side of the floating frame (19) is fixedly installed with a second damping rod (21) in symmetry at both ends, the ends of two second damping rods (21) close to each other are respectively fixedly connected with both ends of the translation frame (20).
8. Doppler microwave radar based railway specific axle speed control device according to claim 6, characterized in that The inner side of the translation frame (20) is fixedly installed with a main body (22), the main body (22) is built-in with a Doppler radar.