CN102951178A - Sliding contact type signal acquisition device for rail detection - Google Patents
Sliding contact type signal acquisition device for rail detection Download PDFInfo
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- CN102951178A CN102951178A CN2011103694769A CN201110369476A CN102951178A CN 102951178 A CN102951178 A CN 102951178A CN 2011103694769 A CN2011103694769 A CN 2011103694769A CN 201110369476 A CN201110369476 A CN 201110369476A CN 102951178 A CN102951178 A CN 102951178A
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- friction belt
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Abstract
The invention discloses a sliding contact type signal acquisition device for rail detection, relating to the field of rail safety detection. The device comprises a bracket, a friction belt and a sensor, wherein the friction belt is arranged on the bracket, a flexible stable bed plate is arranged on the friction belt, and the sensor is arranged on the flexible stable bed plate. The friction belt is a polymer wear-resisting belt which is wear-resisting, heat-resistant, corrosion-resistant, and small in sliding friction coefficient. The friction belt is arranged an elastic compression plate, and a rotary pressure regulating shaft fixes the elastic compression plate on the bracket; and the sensor is arranged on the flexible stable bed plate sequentially through a magnetic compression piece and a magnetic installing seat. The magnetic compression piece and the magnetic installing seat are respectively made of a permanent magnet material or an electromagnet. According to the device disclosed by the invention, through the organic combination of components such as the rotary pressure regulating shaft, the elastic compression plate, the permanent magnet compression piece and the like, an effect that the friction belt is always closely attached to a measured rail surface in the whole moving process is achieved, thereby realizing the high-quality acquisition of vibration signals of steel rails.
Description
Technical field
The present invention relates to rail safety detection technique field, particularly a kind of moving contact formula signal pickup assembly for the track detection.
Background technology
Under mobile status, pick up the rail vibration signal, present main method is that sensor (touch sensor or noncontacting proximity sensor) is placed on the rolling type shifter, for example be placed on the axletree, utilize the approximate vibration signal that replaces rail of vibration signal on the axletree.Thisly sensor is placed on the vibration signal that obtains on the rolling type shifter easily contains the interfering signal that comes from tourelle self vibration that is difficult to control, so that take off data is inaccurate.
Summary of the invention
The technical matters that (one) will solve
The technical problem to be solved in the present invention is: how a kind of moving contact formula signal pickup assembly for the track detection is provided, in order to get rid of or the reduction interfering signal, thereby obtains special quality rail vibration signal, improve the take off data accuracy.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of moving contact formula signal pickup assembly for the track detection, it comprises: support, friction band and sensor; Described friction band is installed on the described support; Described sensor setting is with in described friction.
Preferably, the high molecular abrasion-proof band that described friction band is wear-resisting, heat-resisting, withstanding corrosion, coefficient of sliding resistance is little.
Preferably, described friction band is installed on the elastic compression plate, and the rotary pressure adjusting shaft is fixed on described elastic compression plate on the described support.
Preferably, described friction is with and is provided with the flexible stabilization seat board; Described installation of sensors is on described flexible stabilization seat board.
Preferably, be provided with the magnetic clamping piece on the described flexible stabilization seat board, be provided with the magnetic mount pad on the described magnetic clamping piece, described installation of sensors is on described magnetic mount pad.
Preferably, described magnetic clamping piece and magnetic mount pad are permanent-magnet material or electromagnet.
(3) beneficial effect
Apparatus of the present invention realize that by the organic assembling of the members such as rotary pressure adjusting shaft, elastic compression plate, magnetic clamping piece the friction band fits tightly with tested rail level all the time in whole moving process, thereby obtain in high quality the vibration signal of rail.Its major advantage is: one, this device moves with sliding type on one side, Yi Bian gather the rail vibration signal; Two, select the high molecular abrasion-proof band as wipe contact element and vibration signal transmitting element, the attribute such as it possesses wear-resisting, heat-resisting, withstanding corrosion, flexibility, material is closely knit, coefficient of sliding resistance is little, when this device during along track length direction high-speed slide (movement), can ensure durability and the special quality vibration signal transitivity of this device at Rail Surface; Three, adopt magnetic force and mechanical force so that the high molecular abrasion-proof band closely is fitted in Rail Surface in the sliding type moving process, can ensure the high quality of acquisition of signal.
Description of drawings
Fig. 1 is the front elevation of the described moving contact formula signal pickup assembly that detects for track of the embodiment of the invention;
Fig. 2 is the schematic diagram of the described in orbit surface work of moving contact formula signal pickup assembly that detects for track of the embodiment of the invention;
Fig. 3 is that the described moving contact formula signal pickup assembly that detects for track of the embodiment of the invention is at the schematic diagram of rail side surface work;
Wherein, 1-support, 2-rotary pressure adjusting shaft, 3-elastic compression plate, 4-friction band, 5-flexible stabilization seat board, 6-magnetic clamping piece, 7-magnetic mount pad, 8-sensor.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Fig. 1 is the front elevation of the described moving contact formula signal pickup assembly that detects for track of the embodiment of the invention.As shown in Figure 1, described device comprises: support 1, friction are with 4 and sensor 8.Described friction is with 4 to be installed on the support 1, is with 4 tops to be provided with sensor 8 in described friction.Described friction with 4 be wear-resisting, heat-resisting, withstanding corrosion, flexibility, material is closely knit, coefficient of sliding resistance is little high molecular abrasion-proof band.Described friction is with 4 to be fixed on the described support 1 by elastic compression plate 3; Be with 4 flexible stabilization seat board 5 is set in described friction; Be provided with a plurality of magnetic clamping pieces 6 at described flexible stabilization seat board 5, be provided with magnetic mount pad 7 on the described magnetic clamping piece 6 of part, be provided with described sensor 8 on the described magnetic mount pad 7.By described magnetic clamping piece 6, can be with 4 tightly to be attached on the Rail Surface described friction.
Wherein, described friction is with 4 to be installed on the described elastic compression plate 3, and rotary pressure adjusting shaft 2 is fixed on described elastic compression plate 3 on the described support 1.Described friction is core parts of described device with 4, and it should adopt wear-resisting, heat-resisting, cold-resistant, withstanding corrosion, flexible high molecular material that friction coefficient is little.
Described magnetic clamping piece 6 and magnetic mount pad 7 are to realize friction with 4 critical elements that fit tightly in Rail Surface, and described magnetic clamping piece 6 and magnetic mount pad 7 are permanent-magnet material or electromagnet.
Fig. 2 is the schematic diagram of the described in orbit surface work of moving contact formula signal pickup assembly that detects for track of the embodiment of the invention; Fig. 3 is that the described moving contact formula signal pickup assembly that detects for track of the embodiment of the invention is at the schematic diagram of rail side surface work.As shown in Figures 2 and 3, by described magnetic clamping piece 6 and magnetic mount pad 7 are set so that described device both in orbit the surface carry out acquisition of signal, also can carry out acquisition of signal at the side surface of track, and all have good collection effect.
The described device of the embodiment of the invention is by the organic assembling of the members such as rotary pressure adjusting shaft, elastic compression plate, magnetic clamping piece, realize that the friction band fits tightly with tested rail level all the time in whole moving process, thereby obtain in high quality the vibration signal of rail.Its major advantage is: one, this device moves with sliding type on one side, Yi Bian gather the rail vibration signal; Two, select the high molecular abrasion-proof band as wipe contact element and vibration signal transmitting element, the attribute such as it possesses wear-resisting, heat-resisting, withstanding corrosion, flexibility, material is closely knit, coefficient of sliding resistance is little, when this device during along track length direction high-speed slide (movement), can ensure durability and the special quality vibration signal transitivity of this device at Rail Surface; Three, adopt magnetic force and mechanical force so that the high molecular abrasion-proof band closely is fitted in Rail Surface in the sliding type moving process, can ensure the high quality of acquisition of signal.
Above embodiment only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; in the situation that do not break away from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (6)
1. one kind is used for the moving contact formula signal pickup assembly that track detects, and it is characterized in that, comprising: support, friction band and sensor; Described friction band is installed on the described support; Described sensor setting is with in described friction.
2. device as claimed in claim 1 is characterized in that, the high molecular abrasion-proof band that described friction band is wear-resisting, heat-resisting, withstanding corrosion, coefficient of sliding resistance is little.
3. device as claimed in claim 1 is characterized in that, described friction band is installed on the elastic compression plate, and the rotary pressure adjusting shaft is fixed on described elastic compression plate on the described support.
4. such as the described device of one of claims 1 to 3, it is characterized in that, described friction is with and is provided with the flexible stabilization seat board; Described installation of sensors is on described flexible stabilization seat board.
5. device as claimed in claim 4 is characterized in that, is provided with the magnetic clamping piece on the described flexible stabilization seat board, is provided with the magnetic mount pad on the described magnetic clamping piece, and described installation of sensors is on described magnetic mount pad.
6. device as claimed in claim 5 is characterized in that, described magnetic clamping piece and magnetic mount pad are permanent-magnet material or electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369476.9A CN102951178B (en) | 2011-08-16 | 2011-11-18 | Sliding contact type signal acquisition device for rail detection |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120296881 | 2011-08-16 | ||
| CN201120296881.8 | 2011-08-16 | ||
| CN201110369476.9A CN102951178B (en) | 2011-08-16 | 2011-11-18 | Sliding contact type signal acquisition device for rail detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102951178A true CN102951178A (en) | 2013-03-06 |
| CN102951178B CN102951178B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110369476.9A Active CN102951178B (en) | 2011-08-16 | 2011-11-18 | Sliding contact type signal acquisition device for rail detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194942A (en) * | 2013-03-29 | 2013-07-10 | 北京市劳动保护科学研究所 | Track vibration signal motion detection device and detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1455334A1 (en) * | 1962-10-26 | 1969-02-06 | Plasser Bahnbaumasch Franz | A leading device arranged upstream of a mobile track correction device and carrying the end of at least one reference straight line |
| GB2044827A (en) * | 1979-01-18 | 1980-10-22 | Loram Maintenance Of Way | Measuring rail corrugations |
| US4548070A (en) * | 1982-10-18 | 1985-10-22 | Speno International S.A. | Apparatus for measuring undulatory deformations of the rolling surface of railroad rails |
| GB2246440A (en) * | 1990-05-26 | 1992-01-29 | Tdm Tape Services Ltd | Rail corrugation transducer apparatus |
| CN201199147Y (en) * | 2007-12-25 | 2009-02-25 | 成都四方瑞邦测控科技有限责任公司 | Instrument for checking steel rail straight degree of railway rail |
-
2011
- 2011-11-18 CN CN201110369476.9A patent/CN102951178B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1455334A1 (en) * | 1962-10-26 | 1969-02-06 | Plasser Bahnbaumasch Franz | A leading device arranged upstream of a mobile track correction device and carrying the end of at least one reference straight line |
| GB2044827A (en) * | 1979-01-18 | 1980-10-22 | Loram Maintenance Of Way | Measuring rail corrugations |
| US4548070A (en) * | 1982-10-18 | 1985-10-22 | Speno International S.A. | Apparatus for measuring undulatory deformations of the rolling surface of railroad rails |
| GB2246440A (en) * | 1990-05-26 | 1992-01-29 | Tdm Tape Services Ltd | Rail corrugation transducer apparatus |
| CN201199147Y (en) * | 2007-12-25 | 2009-02-25 | 成都四方瑞邦测控科技有限责任公司 | Instrument for checking steel rail straight degree of railway rail |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194942A (en) * | 2013-03-29 | 2013-07-10 | 北京市劳动保护科学研究所 | Track vibration signal motion detection device and detection method |
| CN103194942B (en) * | 2013-03-29 | 2015-03-25 | 北京市劳动保护科学研究所 | Track vibration signal motion detection device and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102951178B (en) | 2015-01-21 |
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