CN110316225B - Rail transit vehicle wheel pair sensor mounting structure - Google Patents
Rail transit vehicle wheel pair sensor mounting structure Download PDFInfo
- Publication number
- CN110316225B CN110316225B CN201810289225.1A CN201810289225A CN110316225B CN 110316225 B CN110316225 B CN 110316225B CN 201810289225 A CN201810289225 A CN 201810289225A CN 110316225 B CN110316225 B CN 110316225B
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- Prior art keywords
- height adjusting
- steel rail
- rail
- wheel pair
- mounting structure
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 10
- 239000011810 insulating material Substances 0.000 claims description 10
- 238000005536 corrosion prevention Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a mounting structure of a wheel set sensor of a rail transit vehicle, which comprises a steel rail clamp fixed at the bottom of a steel rail, a protective cover used for mounting the wheel set sensor and a height adjusting support used for adjusting the height of the protective cover, wherein the height adjusting support is an insulating support, a detection window is arranged on the protective cover, the height adjusting support is arranged on the steel rail clamp, a buffer cushion used for buffering the vibration of the steel rail is arranged on the height adjusting support, and the protective cover is arranged on the buffer cushion. The invention has the advantages of good reliability, capability of ensuring the sensing distance of the wheel set sensor and avoiding the electric interference of the steel rail backflow to the sensor, and the like.
Description
Technical Field
The invention relates to a real-time online detection system for rail transit vehicles, in particular to a wheel pair sensor mounting structure for a rail transit vehicle.
Background
The rail vehicles such as urban rails, high-speed rails and subways are widely applied to modern traffic in the advantages of high power, strong overload capacity, high traction force, high speed, short preparation operation time, low noise, clean energy and the like, and the traffic pressure caused by urban development is greatly relieved. The real-time online detection technology based on the vehicle running state detection not only can provide reliable technical guarantee for the safe running of the vehicle, but also can obviously improve the maintenance quality and the maintenance efficiency of the operating equipment, and has very important social and economic benefits.
The wheel set sensor is used as an important component of the real-time on-line detection device and plays roles of triggering a starting signal, counting axles and vehicles, sending a shutdown signal and the like. The rail transit vehicle needs to use the steel rail as a power supply electrode, namely the steel rail is used as a conductor to form a return path. The wheel set sensor is installed by considering both the working distance or sensing distance of the sensor and the small enough clearance with the steel rail, and considering the possible electrical interference of the steel rail backflow to the sensor.
The invention provides a wheel set sensor installation protection device of a vehicle real-time online detection system, which not only ensures the sensing distance of the wheel set sensor, but also can avoid the electric interference of rail backflow to the sensor. The invention is not limited to the on-line real-time detection system of railways and urban rails, and falls into the protection scope of the patent as long as the design idea of the patent is adopted. The device provided by the invention is applied to a certain subway line and runs for a long time, and experimental results show that the device can effectively ensure the detection precision of the wheel set sensor and provide powerful guarantee for a real-time online detection system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the wheel set sensor mounting structure of the rail transit vehicle, which has good reliability, can ensure the sensing distance of the wheel set sensor and can avoid the electric interference of the steel rail backflow to the sensor.
In order to solve the technical problems, the invention adopts the following technical scheme:
a rail transit vehicle wheel set sensor mounting structure comprises a steel rail clamp used for being fixed to the bottom of a steel rail, a protective cover used for mounting a wheel set sensor and a height adjusting support used for adjusting the height of the protective cover, wherein the height adjusting support is an insulating support, a detection window is arranged on the protective cover, the height adjusting support is arranged on the steel rail clamp, a buffer pad used for buffering vibration of the steel rail is arranged on the height adjusting support, and the protective cover is arranged on the buffer pad.
As a further improvement of the above technical solution: the steel rail clamp comprises two clamping blocks and a connecting assembly used for clamping the two clamping blocks, the two clamping blocks are arranged on two sides of a steel rail relatively, a clamping groove is formed in the inner side of the upper portion of each clamping block, the bottom of the steel rail is clamped in the clamping groove, the connecting assembly is located below the steel rail, one end of the connecting assembly is connected with one of the clamping blocks, the lower portion of the clamping block is connected with the other end of the connecting assembly is connected with the lower portion of the other clamping block, and the height adjusting support is arranged on one of the clamping blocks.
As a further improvement of the above technical solution: coupling assembling includes double-end screw and two lock nut, and two lock nut branch are located the double-end screw both ends.
As a further improvement of the above technical solution: the height adjustment support includes height adjustment portion and installation department, height adjustment portion is located the correspondence the clamp splice outside, the clamp splice or height adjustment portion is last to be equipped with vertical waist type hole, the clamp splice with height adjustment portion is through locating fastener in the waist type hole links to each other, the installation department is located the clamp splice top, the blotter is located on the installation department.
As a further improvement of the above technical solution: the height adjustment portion with it is equipped with the connecting plate to press from both sides between the clamp splice, the connecting plate upper end be equipped with to the first kink of a lateral buckling at clamp splice place, first kink end be equipped with to the second kink of a lateral buckling at installation department place, second kink end with the installation department butt, wheel set sensor run through the blotter with behind the installation department with the second kink links to each other.
As a further improvement of the above technical solution: the connecting plate is an insulating plate.
As a further improvement of the above technical solution: the protective cover and the buffer cushion are made of insulating materials.
As a further improvement of the above technical solution: the height adjusting support and the cushion pad are both subjected to galvanic corrosion prevention treatment.
As a further improvement of the above technical solution: the protection casing is the cuboid structure, the upper surface of protection casing is located to the detection window.
Compared with the prior art, the invention has the advantages that: the invention discloses a rail transit vehicle wheel set sensor mounting structure, wherein a rail clamp is mounted at the bottom of a rail, the rail clamp is used as the integral foundation of the mounting structure, the structure of the rail can be fully utilized without arranging parts such as a support, a bracket and the like on the side edge of the rail, a protective cover can protect the wheel set sensor and prevent the wheel set sensor from contacting with the rail, the reliability of the wheel set sensor is ensured, the height of the wheel set sensor is adjusted by utilizing a height adjusting support, so that the distance between the wheel set sensor and the wheel is adjusted, meanwhile, the height adjusting support made of insulating materials can play a role in electrical isolation, the phenomenon that the rail reflows to cause electrical interference to the wheel set sensor is avoided, a buffer cushion can reduce the influence of rail vibration to the wheel set sensor when the vehicle passes through the wheel set.
Drawings
Fig. 1 is a schematic diagram of a rail transit vehicle wheel pair sensor mounting structure in a specific application embodiment.
Fig. 2 is a schematic structural view of a connection plate in the present invention.
The reference numerals in the figures denote: 1. a steel rail; 2. a rail clamp; 21. a clamping block; 211. a card slot; 22. a connecting assembly; 221. a double-ended screw; 222. locking the nut; 3. a protective cover; 31. detecting a window; 4. a height adjusting support; 41. a height adjusting part; 411. a kidney-shaped hole; 42. an installation part; 5. a cushion pad; 6. a connecting plate; 61. a first bent portion; 62. a second bending part.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 2 show an embodiment of the present invention, the wheel set sensor mounting structure for a rail transit vehicle of the present embodiment includes a rail clamp 2 for fixing to a bottom of a rail 1, a protective cover 3 for mounting a wheel set sensor (not shown in the drawings), and a height adjusting support 4 for adjusting a height of the protective cover 3, the height adjusting support 4 is an insulating support, that is, the height adjusting support 4 is made of an insulating material, the protective cover 3 is provided with a detection window 31, the height adjusting support 4 is provided on the rail clamp 2, the height adjusting support 4 is provided with a cushion 5 for buffering vibration of the rail 1, and the protective cover 3 is provided on the cushion 5. Wherein, protection casing 3 is the cuboid structure, and detection window 31 locates the upper surface of protection casing 3, and wheel pair sensor accessible detection window 31 carries out relevant detection, and of course in other embodiments, protection casing 3 also can suitably adjust.
The rail transit vehicle wheel set sensor mounting structure is characterized in that a steel rail clamp 2 is mounted at the bottom of a steel rail 1, the steel rail clamp 2 is used as the integral foundation of the mounting structure, the structure of the steel rail 1 can be fully utilized without arranging components such as a support, a bracket and the like on the side edge of the rail, the protective cover 3 can protect the wheel set sensor and prevent the wheel set sensor from contacting with the steel rail 1, the reliability of the wheel set sensor is ensured, the height of the wheel set sensor is adjusted by utilizing the height adjusting support 4, thereby adjust the distance between whole wheel pair sensor and the wheel, insulating material's height adjustment support 4 can play the effect of electrical isolation simultaneously, avoids 1 backward flow of rail to cause electrical interference to the wheel sensor, and 1 vibration of rail when the blotter 5 can reduce the vehicle through the wheel pair sensor influences the wheel sensor, has guaranteed the accurate measurement precision and the reliability of wheel pair sensor.
Further, rail anchor clamps 2 include two clamp splice 21 and are used for pressing from both sides tight coupling assembling 22 of two clamp splice 21, two clamp splice 21 arrange in the both sides of rail 1 relatively, each clamp splice 21 upper portion inboard is equipped with draw-in groove 211, draw-in groove 211 is located to the card of rail 1 bottom, coupling assembling 22 is located rail 1 below, coupling assembling 22 one end links to each other with one of them clamp splice 21 lower part, the other end links to each other with another clamp splice 21 lower part, height adjustment support 4 is located on one of them clamp splice 21. In this embodiment, the connection assembly 22 includes a double-threaded screw 221 and two locking nuts 222, the two locking nuts 222 are respectively disposed at two ends of the double-threaded screw 221, and the fastening degree of the rail clamp 2 clamping the rail 1 can be adjusted by adjusting the locking nuts 222 at the two ends, but in other embodiments, connection assemblies 22 with other structures may also be adopted, for example, a long screw is matched with a single locking nut 222. The steel rail clamp 2 with the structure can be reliably fixed on the steel rail 1, and the two clamping blocks 21 are adopted, so that the wheel set sensor can be selectively installed on the corresponding clamping blocks 21 according to actual requirements, and the wheel set sensor can be ensured to be installed on the inner side of a track, namely between the two steel rails 1.
Furthermore, the height adjusting support 4 includes a height adjusting portion 41 and an installation portion 42, the height adjusting portion 41 is located outside the corresponding clamping block 21, a vertical waist-shaped hole 411 is formed in the clamping block 21 or the height adjusting portion 41, the clamping block 21 and the height adjusting portion 41 are connected through a fastener arranged in the waist-shaped hole 411, the installation portion 42 is located above the clamping block 21, and the cushion 5 is arranged on the installation portion 42. In this embodiment, the whole height adjusting support 4 is an L-shaped structure rotated by a certain angle, and the waist-shaped hole 411 is provided on the height adjusting portion 41, but in other embodiments, the waist-shaped hole 411 may be provided on the clamping block 21 to achieve the function; the fastener can adopt screws and the like, and the material of the fastener is preferably insulating material. The purpose of adjusting the mounting height of the wheel pair sensor is achieved by adjusting the relative position between the clamping block 21 and the height adjusting part 41, and the wheel pair sensor mounting height adjusting device is simple and reliable in structure and convenient to adjust manually.
Furthermore, a connecting plate 6 is clamped between the height adjusting portion 41 and the clamping block 21, a first bending portion 61 that bends toward one side where the clamping block 21 is located is disposed at the upper end of the connecting plate 6, in this embodiment, the first bending portion 61 bends toward the right, a second bending portion 62 that bends toward one side where the mounting portion 42 is located is disposed at the end (i.e., the right end) of the first bending portion 61, i.e., the right end of the first bending portion 61 bends toward the upper side, the end (i.e., the upper end) of the second bending portion 62 abuts against the mounting portion 42, and the wheel set sensor is connected to the second bending portion 62 through an insulating fastener after. Because installation department 42 on the height adjustment support 4 is the overhanging structure, and need provide the support for protection casing 3, blotter 5 and wheel pair sensor, and the height adjustment support 4 of insulating material is flexible great usually, sets up connecting plate 6 and can provide certain support for installation department 42, improves structural strength, also makes the wheel pair sensor installation more firm simultaneously.
Furthermore, in the present embodiment, the connecting plate 6 is an insulating plate, that is, an insulating material, and the protective cover 3 and the buffer pad 5 are both made of insulating materials, so as to play a role of electrical isolation, and prevent the backflow of the steel rail 1 from causing electrical interference to the sensor. Wherein, the protection casing 3 adopts insulating material, and is mainly when avoiding the unexpected condition to appear, protection casing 3 and rail 1 contact.
Further, in this embodiment, the height adjustment support 4 and the buffer pad 5 are both treated to prevent galvanic corrosion, which is beneficial to enhancing the galvanic corrosion resistance, improving the reliability and prolonging the service life of the device.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (6)
1. The utility model provides a rail transit vehicle wheel pair sensor mounting structure which characterized in that: the device comprises a steel rail clamp (2) fixed at the bottom of a steel rail (1), a protective cover (3) used for installing a wheel pair sensor and a height adjusting support (4) used for adjusting the height of the protective cover (3), wherein the height adjusting support (4) is an insulating support, a detection window (31) is arranged on the protective cover (3), the height adjusting support (4) is arranged on the steel rail clamp (2), a buffer cushion (5) used for buffering the vibration of the steel rail (1) is arranged on the height adjusting support (4), the protective cover (3) is arranged on the buffer cushion (5), the steel rail clamp (2) comprises two clamping blocks (21) and a connecting component (22) used for clamping the two clamping blocks (21), the two clamping blocks (21) are oppositely arranged on two sides of the steel rail (1), and a clamping groove (211) is arranged on the inner side of the upper part of each clamping block (21), the bottom of the steel rail (1) is clamped in the clamping groove (211), the connecting assembly (22) is located below the steel rail (1), one end of the connecting assembly (22) is connected with one of the clamping blocks (21) in the lower portion, the other end of the connecting assembly is connected with the other clamping block (21) in the lower portion, the height adjusting support (4) is arranged on one of the clamping blocks (21), the height adjusting support (4) comprises a height adjusting portion (41) and an installation portion (42), the height adjusting portion (41) is located on the outer side of the corresponding clamping block (21), the clamping block (21) or the height adjusting portion (41) is provided with a vertical waist-shaped hole (411), the clamping block (21) is connected with the height adjusting portion (41) through a fastener arranged in the waist-shaped hole (411), the installation portion (42) is located above the clamping block (21), and the cushion (5) is arranged on the installation portion (42), height adjustment portion (41) with it is equipped with connecting plate (6) to press from both sides between clamp splice (21), connecting plate (6) upper end be equipped with to first kink (61) of the one side bending type at clamp splice (21) place, first kink (61) end be equipped with to second kink (62) of the one side bending type at installation department (42) place, second kink (62) end with installation department (42) butt, wheel pair sensor run through blotter (5) with behind installation department (42) with second kink (62) link to each other.
2. The rail transit vehicle wheel pair sensor mounting structure of claim 1, wherein: the connecting assembly (22) comprises a double-end screw (221) and two locking nuts (222), and the two locking nuts (222) are respectively arranged at two ends of the double-end screw (221).
3. The rail transit vehicle wheel pair sensor mounting structure of claim 1, wherein: the connecting plate (6) is an insulating plate.
4. The rail transit vehicle wheel pair sensor mounting structure according to any one of claims 1 to 3, wherein: the protective cover (3) and the cushion pad (5) are made of insulating materials.
5. The rail transit vehicle wheel pair sensor mounting structure according to any one of claims 1 to 3, wherein: the height adjusting support (4) and the buffer pad (5) are subjected to galvanic corrosion prevention treatment.
6. The rail transit vehicle wheel pair sensor mounting structure according to any one of claims 1 to 3, wherein: the protection casing (3) are of a cuboid structure, and the detection window (31) is arranged on the upper surface of the protection casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289225.1A CN110316225B (en) | 2018-03-30 | 2018-03-30 | Rail transit vehicle wheel pair sensor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289225.1A CN110316225B (en) | 2018-03-30 | 2018-03-30 | Rail transit vehicle wheel pair sensor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110316225A CN110316225A (en) | 2019-10-11 |
| CN110316225B true CN110316225B (en) | 2021-04-02 |
Family
ID=68112137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289225.1A Active CN110316225B (en) | 2018-03-30 | 2018-03-30 | Rail transit vehicle wheel pair sensor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110316225B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276440Y (en) * | 1996-02-14 | 1998-03-18 | 哈尔滨铁路局哈尔滨科学技术研究所 | Lifting multi-rail type wheel passed sensor fixture |
| US7216558B2 (en) * | 2003-10-03 | 2007-05-15 | Tranergy Corporation | Wheel sensor assembly for rail base mounting |
| AT502475B1 (en) * | 2005-12-14 | 2007-04-15 | Frauscher Josef | Carrier fastening device for rails, has rail claw with claw jaws, where one of claw jaws and/or claw part is secured in preset position in form fit manner by grooves or in cross section of sides of claw part and carrier or retaining unit |
| CN207027286U (en) * | 2017-06-08 | 2018-02-23 | 成都铁路通信设备有限责任公司 | A kind of axle count sensor installs fixture |
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2018
- 2018-03-30 CN CN201810289225.1A patent/CN110316225B/en active Active
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| Publication number | Publication date |
|---|---|
| CN110316225A (en) | 2019-10-11 |
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