CN206583854U - A kind of monitoring device of the elastic state of rail fastening - Google Patents
A kind of monitoring device of the elastic state of rail fastening Download PDFInfo
- Publication number
- CN206583854U CN206583854U CN201720224045.6U CN201720224045U CN206583854U CN 206583854 U CN206583854 U CN 206583854U CN 201720224045 U CN201720224045 U CN 201720224045U CN 206583854 U CN206583854 U CN 206583854U
- Authority
- CN
- China
- Prior art keywords
- rail
- bar
- cam
- top plate
- seal box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model is related to rail safety technical field, it is therefore an objective to provide a kind of monitoring device of the elastic state of the high rail fastening of sensitivity.The technical scheme of use is：A kind of monitoring device of the elastic state of rail fastening, including track checking car, smooth degree detection means, knocking device and signal pickup assembly, signal analysis device and telecommunication devices.Smooth degree detection means includes the fixed plate for being fixed on track checking car bottom, the bottom opening of fixed plate, from top to bottom it is sequentially provided with resistance strain gage, buffer board, the first spring and top plate in hole, the curved groove in the bottom of top plate is fixed on top plate on provided with roller bearing and by support bar in groove；Knocking device includes seal box, is arranged on below the cam in seal box, the drive device of driving cam, cam and is provided with T-bar, and being arranged with second spring on the montant that T-bar is located in seal box makes the cross bar of T-bar be resisted against on cam.The utility model sensitivity is high, effectiveness is good.
Description
Technical field
The utility model is related to rail safety technical field, and in particular to a kind of monitoring dress of elastic state of rail fastening
Put.
Background technology
For a long time, the fastener of track releases detection and depends on manual inspection method, and this method wastes time and energy, detection
Inefficiency, the need for can not meeting modern railways high speed development, is badly in need of a kind of fastener working condition for being used to detect track
Automatic detection device.At present, existing a variety of detection devices or device are used in railway construction, examination and maintenance, for example：Inspection
Survey geometry condition checkout gear, gauge detection means, rail-defect detector car, bow net detection car of rail static track irregularity degree etc..But
Above detection means or detection method, all can not the elastic situation of contacting piece detected.
At present, state automatic testing method is released for fastener, mainly uses optical image recognition method and intrinsic
Frequency discrimination methods.Wherein whether optical image recognition technical modelling human eye contacting piece, which releases, is identified, and this method is not due to
Be related to things essence, i.e. fastener release it is corresponding be rail dynamic behavior or acoustic properties change, thus this method is easy
Produce missing inspection；As for intrinsic frequency identification technology, it can change structural natural frequencies and be identified after being released based on fastener, but
The sensitivity that intrinsic frequency contacting piece is released is very low so that this method is also difficult to carry out.
In the prior art, patent：The B of CN 103103900 provide a kind of rail fastener loose detection method, utilize percussion
Whether the analysis of vibration signal rail fastening that rail is produced releases, but not accounting for Rail irregularity can also cause certain
Vibration, easily causes interference.
The content of the invention
The purpose of this utility model is to provide a kind of monitoring device of the elastic state of the high rail fastening of sensitivity.
For achieving the above object, the technical scheme that the utility model is used is：A kind of elastic state of rail fastening
Monitoring device, including the track checking car that can be moved on rail is fixed on the smooth degree detection means of track checking car bottom, taps dress
Put and signal pickup assembly, signal analysis device and telecommunication devices are additionally provided with track checking car.
The smooth degree detection means includes the fixed plate for being fixed on track checking car bottom, and the bottom of the fixed plate is vertically
Offer hole, and the openend in the hole is raised to axially bored line, be from top to bottom sequentially provided with hole resistance strain gage, buffer board,
Top plate, is provided with the first spring, the curved groove in the bottom of the top plate, and the groove of top plate between the buffer board and top plate
Both sides, which are resisted against in the projection in hole, to be constituted to the spacing of top plate, described provided with the roller bearing that can be rolled on rail in the groove
Roller bearing is fixed on top plate by support bar.
The knocking device includes being provided with cam in the seal box for being fixed on track checking car bottom, the seal box, described convex
Take turns and driven by the drive device that is arranged on outside seal box, be provided with T-bar below the cam, the montant of the T-bar is through close
Jacket is relative with Rail Surface, and being arranged with second spring on the montant that the T-bar is located in seal box supports the cross bar of T-bar
Lean against on cam.
It is preferred that, the number of openings in the fixed plate is 3.
It is preferred that, the smooth degree detection means, knocking device and signal pickup assembly are arranged symmetrically in the two of track checking car
Side bottom.
It is preferred that, the drive device includes the axle being connected through seal box and with cam, be arranged on the gear on axle with
And the motor for drive gear.
It is preferred that, the signal pickup assembly is acceleration transducer.
The beneficial effects of the utility model are embodied a concentrated reflection of, and sensitivity is high, and specifically, the utility model passes through smooth degree
The smooth degree of detection means detection Rail Surface is simultaneously sent to signal analysis device, in track checking car traveling process, between knocking device
Have a rest and Rail Surface is tapped, meanwhile, sent out after the signal pickup assembly collection rail vibration signal at knocking device rear
Signal analysis device is delivered to, signal analysis device draws to be in periodically variable frequency accordingly according to strain signal and vibration signal
Spectrogram, is then analyzed, because the uneven compliance of rail can cause the vibration between track checking car wheel and rail, so that
Signal pickup assembly may collect the vibration signal of mistake, now, be advised according to the spectral change of strain signal and vibration signal
Rule figure, when spectral change is inconsistent, then can immediately arrive at rail fastening and whether release whether either Rail Surface smoothes out, when
When spectral change is consistent, signal analysis device is excluded first vibrates change because of caused by Rail irregularity, then further divides
Whether analysis rail fastening releases.Compared with prior art, the utility model reduces the error interference because of caused by Rail irregularity,
There is the detection of rail smooth degree and rail fastener loose detection function simultaneously, sensitivity is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A portions enlarged drawing in Fig. 1；
Fig. 3 is that structure of the present utility model arranges schematic diagram figure；
Fig. 4 is the structural representation of knocking device in the utility model；
Fig. 5 is monitoring process principle figure of the present utility model.
Embodiment
The utility model is expanded on further in 1-5 below in conjunction with the accompanying drawings.
A kind of monitoring device of the elastic state of rail fastening, including the track checking car 2 that can be moved on rail 1, fixation are in-orbit
Examine and be additionally provided with signal analysis device on smooth degree detection means, knocking device and the signal pickup assembly 3 of the bottom of car 2, track checking car 2
4 and telecommunication devices 5.It should be appreciated that the smooth degree detection means is used for the smooth degree for detecting the surface of rail 1, institute
The surface that knocking device taps rail 1 in the traveling process of track checking car 2 is stated, the collection of signal pickup assembly 3 rail 1 is tapped
Vibration signal afterwards.
The smooth degree detection means includes the fixed plate 6 for being fixed on the bottom of track checking car 2, the bottom edge of the fixed plate 6
It is vertical to offer hole, and the openend in the hole is raised to axially bored line, as shown in Figure 2.Resistance is from top to bottom sequentially provided with hole
Foil gauge 7, buffer board 8, top plate 9, are provided with the first spring 10, the bottom of the top plate 9 is between the buffer board 8 and top plate 9
The groove of arc, and the groove both sides of top plate 9 are resisted against and are constituted in the projection in hole to the spacing of top plate 9, are provided with the groove
The roller bearing 11 that can be rolled on rail 1, the roller bearing 11 is fixed on top plate 9 by support bar 12.So, track checking car 2 is expert at
During entering, the uneven surface up time of rail 1 is such as run into, roller bearing 11 is passed sequentially through top plate by upward thrust, this thrust
9th, the first spring 10 and buffer board 8 are transferred on resistance strain gage 7, and resistance strain gage 7 is electrically connected with signal analysis device 4,
Treatment Analysis is carried out so as to which the signal collected is transferred into signal analysis device 4.
The knocking device includes being provided with cam 14 in the seal box 13 for being fixed on the bottom of track checking car 2, the seal box 13,
The cam 14 is driven by the drive device being arranged on outside seal box 13, and the lower section of cam 14 is provided with T-bar 15, described T-shaped
The montant of bar 15 is relative with the surface of rail 1 through seal box 13, is arranged with the montant that the T-bar 15 is located in seal box 13
Second spring 16 makes the cross bar of T-bar 15 be resisted against on cam 14.It should be noted that described seal box 13 is for encapsulating
The device of cam 14 and T-bar 15, it is of course also possible to be a L-type plate, makes cam 14 be fixedly mounted on L-type plate and can drive
Dynamic T-bar moves reciprocatingly.The effect of second spring 16 be make T-bar 15 tap rail 1 after can second spring 16 work
Return back to and be resisted against again on cam 14 under.
Further, the smooth degree detection means, knocking device and signal pickup assembly 3 are arranged symmetrically in track checking car 2
Two side bottoms, this makes it possible to simultaneously two one steel rails are detected, as shown in Figure 3.
Further, the drive device includes the axle 17 being connected through seal box 13 and with cam 14, is arranged on axle 17
On gear 18 and motor for drive gear 18, as shown in Figure 4.
Further, in order that the strain signal collected is more accurate, more preferable way is, in the fixed plate 6
The number of openings is 3, so, and corresponding resistance strain gage 7 is also 3, and the strain signal quantity of collection is also 3 groups, so as to protect
Demonstrate,prove accuracy of detection.
Further, the signal pickup assembly 3 is acceleration transducer.
Operationally, the smooth degree of smooth degree detection means detection Rail Surface is simultaneously sent to signal analysis the utility model
In device, track checking car traveling process, knocking device interval is tapped to Rail Surface, meanwhile, positioned at knocking device rear
Sent after signal pickup assembly collection rail vibration signal to signal analysis device, signal analysis device is according to strain signal and shakes
Dynamic signal draws to be in accordingly periodically variable spectrogram, is then analyzed, because the uneven compliance of rail can draw
The vibration between track checking car wheel and rail is played, so that signal pickup assembly may collect the vibration signal of mistake, now, root
According to strain signal and the spectral change rule figure of vibration signal, when spectral change is inconsistent, then rail fastening can be immediately arrived at
Whether release whether either Rail Surface smoothes out, when spectral change is consistent, signal analysis device is excluded because of rail not first
Change is vibrated caused by smooth-going, then further whether analysis rail fastening releases, and the result after analysis is passed through long-range
Communication device is sent to remote control center.
Although the embodiment of the present invention is the foregoing described, it will be appreciated by those of skill in the art that not
On the premise of the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these become
More protection scope of the present invention is each fallen within modification.
Claims (5)
1. a kind of monitoring device of the elastic state of rail fastening, including the track checking car (2) that can be moved on rail (1), are fixed on
The smooth degree detection means, knocking device and signal pickup assembly (3) of track checking car (2) bottom, track checking car are additionally provided with signal on (2)
Analytical equipment (4) and telecommunication devices (5)；It is characterized in that：
The smooth degree detection means includes the fixed plate (6) for being fixed on track checking car (2) bottom, the bottom of the fixed plate (6)
Hole is vertically offered, and the openend in the hole is raised to axially bored line, and resistance strain gage is from top to bottom sequentially provided with hole
(7), buffer board (8), top plate (9), are provided with the first spring (10), the top plate (9) between the buffer board (8) and top plate (9)
The curved groove in bottom, and the groove both sides of top plate (9) are resisted against spacing, the institute constituted in the projection in hole to top plate (9)
State provided with the roller bearing (11) that can be rolled on rail (1) in groove, the roller bearing (11) is fixed on top plate by support bar (12)
(9) on；
The knocking device includes being provided with cam in the seal box (13) for being fixed on track checking car (2) bottom, the seal box (13)
(14), the cam (14) is driven by being arranged on the drive device of seal box (13) outside, and T-bar is provided with below the cam (14)
(15), the montant of the T-bar (15) is relative with rail (1) surface through seal box (13), and the T-bar (15) is located at sealing
Second spring (16) is arranged with montant in box (13) makes the cross bar of T-bar (15) be resisted against on cam (14).
2. a kind of monitoring device of the elastic state of rail fastening according to claim 1, it is characterised in that：The smooth degree
Detection means, knocking device and signal pickup assembly (3) are arranged symmetrically in two side bottoms of track checking car (2).
3. a kind of monitoring device of the elastic state of rail fastening according to claim 1, it is characterised in that：The driving dress
Put the axle (17) including being connected through seal box (13) and with cam (14), the gear (18) being arranged on axle (17) and be used for
The motor of drive gear (18).
4. a kind of monitoring device of the elastic state of rail fastening according to claim 1, it is characterised in that：The fixed plate
(6) the number of openings on is 3.
5. a kind of monitoring device of the elastic state of rail fastening according to claim 1, it is characterised in that：The signal is adopted
Acquisition means (3) are acceleration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720224045.6U CN206583854U (en) | 2017-03-09 | 2017-03-09 | A kind of monitoring device of the elastic state of rail fastening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720224045.6U CN206583854U (en) | 2017-03-09 | 2017-03-09 | A kind of monitoring device of the elastic state of rail fastening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206583854U true CN206583854U (en) | 2017-10-24 |
Family
ID=60113438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720224045.6U Active CN206583854U (en) | 2017-03-09 | 2017-03-09 | A kind of monitoring device of the elastic state of rail fastening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206583854U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680648A (en) * | 2018-08-29 | 2018-10-19 | 杭州厚谋创意设计有限公司 | A kind of industry tracks failure detector |
| CN110539777A (en) * | 2019-09-29 | 2019-12-06 | 王艺锦 | intelligent track low strain crack detection device |
| CN110901689A (en) * | 2019-11-19 | 2020-03-24 | 华东交通大学 | Track structure fastener loosening detection method based on modal identification |
| CN111649666A (en) * | 2020-06-05 | 2020-09-11 | 杭州慕夏科技有限公司 | Computer machine case roughness verifying attachment based on electromagnetic induction principle |
| CN112285208A (en) * | 2020-11-04 | 2021-01-29 | 郑州铁路职业技术学院 | Railway track flaw detection device and flaw detection method thereof |
| CN112339791A (en) * | 2020-10-31 | 2021-02-09 | 六安德玛机械设备有限公司 | Rail fixity detection device and method for rail car in tunnel |
| CN113401165A (en) * | 2021-06-28 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Steel rail fastener loosening detection robot and detection method thereof |
| CN115854919A (en) * | 2023-03-01 | 2023-03-28 | 成都市鸿侠科技有限责任公司 | Aeroengine blade profile detection device |
-
2017
- 2017-03-09 CN CN201720224045.6U patent/CN206583854U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680648A (en) * | 2018-08-29 | 2018-10-19 | 杭州厚谋创意设计有限公司 | A kind of industry tracks failure detector |
| CN110539777A (en) * | 2019-09-29 | 2019-12-06 | 王艺锦 | intelligent track low strain crack detection device |
| CN110539777B (en) * | 2019-09-29 | 2021-02-02 | 王艺锦 | Intelligent track low strain crack detection device |
| CN110901689A (en) * | 2019-11-19 | 2020-03-24 | 华东交通大学 | Track structure fastener loosening detection method based on modal identification |
| CN110901689B (en) * | 2019-11-19 | 2020-09-29 | 华东交通大学 | Track structure fastener loosening detection method based on modal identification |
| CN111649666A (en) * | 2020-06-05 | 2020-09-11 | 杭州慕夏科技有限公司 | Computer machine case roughness verifying attachment based on electromagnetic induction principle |
| CN112339791A (en) * | 2020-10-31 | 2021-02-09 | 六安德玛机械设备有限公司 | Rail fixity detection device and method for rail car in tunnel |
| CN112285208A (en) * | 2020-11-04 | 2021-01-29 | 郑州铁路职业技术学院 | Railway track flaw detection device and flaw detection method thereof |
| CN112285208B (en) * | 2020-11-04 | 2021-06-01 | 郑州铁路职业技术学院 | Railway track flaw detection device and flaw detection method thereof |
| CN113401165A (en) * | 2021-06-28 | 2021-09-17 | 中铁第四勘察设计院集团有限公司 | Steel rail fastener loosening detection robot and detection method thereof |
| CN115854919A (en) * | 2023-03-01 | 2023-03-28 | 成都市鸿侠科技有限责任公司 | Aeroengine blade profile detection device |
| CN115854919B (en) * | 2023-03-01 | 2023-05-30 | 成都市鸿侠科技有限责任公司 | Aeroengine blade profile detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206583854U (en) | A kind of monitoring device of the elastic state of rail fastening | |
| CN105092467B (en) | A kind of quick monitoring device of high-speed railway wheel tread flat and method | |
| CN108845028B (en) | Method and device for dynamically detecting high-speed railway rail corrugation | |
| CN104364629B (en) | The track component inspection analyzed based on resonance signal | |
| CN109030628A (en) | Based on the matched track structure Evaluation Method of Mechanical Property of vibration noise spectrum signature | |
| CN106274977A (en) | The direct current Magnetic Flux Leakage Testing System of a kind of trigger-type drainage pattern and method thereof | |
| RU2537354C2 (en) | Method and device for rail vehicle ride performance control | |
| CN201615872U (en) | Wheel tread flaw detection device | |
| CN102175768A (en) | Method and device for detecting defects and failures of high-speed rail based on vibration signals | |
| CN107063339B (en) | Falling rocks and train signal classification classification judge recognition methods along railway | |
| CN110806324A (en) | Wheel polygon abrasion detection method based on rail displacement and data acquisition equipment | |
| CN103175897B (en) | A kind of high-speed switch hurt recognition methods based on vibration signal end-point detection | |
| CN107607192A (en) | Bridge intrinsic frequency identifying system | |
| CN103194942B (en) | Track vibration signal motion detection device and detection method | |
| CN109278796A (en) | A kind of vehicular wheel out of round degree detection system | |
| CN108290585A (en) | For to compare the method and apparatus of control mode detection derailing | |
| Tsunashima et al. | Condition monitoring of railway tracks using compact size on-board monitoring device | |
| CN107521511B (en) | A kind of method and system of wheel derailment alarm | |
| CN105372080B (en) | A kind of tramcar and its embedded tracks Coupled Dynamics test device and method | |
| CN115219601A (en) | Tunnel secondary lining void detection system and method | |
| CN114264727B (en) | Rail-bridge system damage identification method based on dynamic response of operation train | |
| CN106932162A (en) | Track dynamic stiffness method of testing and system | |
| CN207215282U (en) | Bridge intrinsic frequency identifying system | |
| CN207764171U (en) | A kind of tunnel bradyseism scroll wheel and its pneumatic type tunnel vacant analysis hammer instrument | |
| CN108303465A (en) | A kind of fault detection method and system based on machine vibration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |