CN103603244B - Special clamp for measuring unit of steel rail wireless sensor network - Google Patents
Special clamp for measuring unit of steel rail wireless sensor network Download PDFInfo
- Publication number
- CN103603244B CN103603244B CN201310657390.5A CN201310657390A CN103603244B CN 103603244 B CN103603244 B CN 103603244B CN 201310657390 A CN201310657390 A CN 201310657390A CN 103603244 B CN103603244 B CN 103603244B
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- Prior art keywords
- fixture block
- measuring unit
- rail
- clamping block
- paw
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 230000001133 acceleration Effects 0.000 claims abstract description 11
- 210000000078 claw Anatomy 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to a special clamp for a measuring unit of a steel rail wireless sensor network. For the special clamp, two rear clamping blocks are respectively used in match with a left front clamping block and a right front clamping block; the left rear clamping block, the right rear clamping block, the left front clamping block and the right front clamping block are located through own gaps respectively inosculated with the bottom cross section of a steel rail, and are further locked by clamping block lock bolts; two ends of the measuring unit with a columnar shell are respectively fixed on the left front clamping block and the right front clamping block, and the inner side face of the measuring unit is in cambered inosculation with the waist part of the steel rail and is further fixed in a manner of clinging to the steel rail. Vertical location is realized through the upper planes of the left front clamping block and the right front clamping block, longitudinal location is realized through the lateral sides of the left front clamping block and the right front clamping block, transverse location is realized through cambered inner side face of the measuring unit, and the external side and the upper part of the measuring unit are impacted by a left pressing claw and a right pressing claw. The left front clamping block and the right front clamping block are provided with a left baffle and a right baffle respectively for protecting the measuring unit; the lower parts of the left front clamping block and the right front clamping block further can be provided with acceleration sensors. The special clamp is safe, reliable, and convenient to use.
Description
Technical field
The present invention relates to a kind of sectional fixture of rail wireless sense network measuring unit, especially relate to the measuring unit special fixture of a kind of high-speed railway seamless rail monitoring wireless sense network.
Background technology
It is the longest that China has become high-speed railway operation mileage in the world at present, and overall trip speed is the highest, the country that building scale is maximum, becomes very important problem to the maintenance of high-speed railway and monitoring.Rail is safety member the most basic in high-speed railway, because gapless track long rail string is subject to the constraint of rail joint resistance, fastener resistance and ballast resistance, when rail temperature changes, will produce axially temperature stress in long rail string.When rail temperature declines, in rail, produce axial tension; When temperature is lower, especially at the winter seasonal of cold district, in rail, longitudinal temperature pulling force is comparatively large, because bearing larger longitudinal temperature pulling force, rail fracture may occur, cause Loss of Life and property at the weakness such as weld seam, crackle of rail.Therefore, very important to internal rail stress condition monitoring.
Along with the development of Internet technology, the application of wireless sense network is increasingly extensive.In the rail security monitoring of high-speed railway, select the rail of location at risk, install wireless sense network measuring unit thereon, forming rail state measurement network is a kind of effective solution.The enforcement of this technology needs to ensure that measuring unit is arranged on tested rail safely and reliably, needs to prepare special fixture for this reason.Measure requirement for high-speed railway, need solid and reliable for measuring unit the web of the rail side being arranged on rail.
Summary of the invention
In order to solve the problem, the technical solution used in the present invention is:
A kind of rail wireless sense network measuring unit special fixture, is fixed on the left paw of left front fixture block by measuring unit, left front fixture block, left back fixture block, right front fixture block, right back fixture block, lower end, right paw, wireplint, sensor pressing plate and cable that lower end is fixed on right front fixture block forms; All fixture blocks there is the breach matched with Rail basal cross section the bottom of rail can be blocked from the side; On one section of rail, left end left front fixture block and the left back fixture block base from the bottom clamping rail of the both sides of rail, right-hand member with and right back fixture block and right front fixture block clamp the base of rail from two side lower parts of rail; Clamping element adopts fixture block lock bolt.
Measuring unit is cylindrical shell, and a side of measuring unit is identical with the groove radian of rail side, and the arcwall face of measuring unit is close to steel rail groove, and one end is fixed on left front fixture block, and the other end is fixed on right front fixture block; The outside of measuring unit and top left paw and right paw compress.
Devise in the bottom of left front fixture block and right front fixture block the groove installing acceleration transducer respectively, fix acceleration transducer in groove with sensor pressing plate and screw; With wireplint constraint acceleration transducer and measuring unit cable.
The top of left paw and right paw is hook solid, and is fixed and clamped the groove of rail by measuring unit from lateral surface and end face.
Between paw and measuring unit, plate spring sheet is installed, with fixing steel wire buckle and paw bolt, paw and plate spring sheet is pressed abd fixed on the outside of measuring unit.
Left paw and right paw bottom are arranged in the T-slot of its place fixture block respectively, and can move along groove, and T-slot is vertical with rail; Adopt paw bolt and little slotted nut fixing press claw, then it is locking to insert little cottor pin.
At the left side of left front fixture block fixed installation right baffle-plate, right baffle-plate is inserted in the corresponding groove of left front fixture block; The right side of right front fixture block fixedly mounts right baffle plate; Right baffle plate bottom is inserted in the corresponding groove of right front fixture block; Opening and circular hole are arranged at right baffle-plate and right baffle plate bottom, to fix with right baffle-plate screw and right parting of baffle bolt and conveniently to pull down; Right baffle-plate pin and right baffle plate pin are arranged on the bottom of baffle plate, for fixing two baffle plates.
Measuring unit utilizes the vertical location of upper Planar realization of left front fixture block and right front fixture block, utilizes the side of left front fixture block and right front fixture block to realize longitudinal register, utilizes measuring unit arc shaped inside face and Rail central plane to fit and realizes located lateral.
The invention has the beneficial effects as follows: the wireless sense network measuring unit and the special fixture that provide a kind of effective real-time measurement deformation of rail, improve the safety in utilization of rail effectively.The present invention is safe and reliable, easy to use.
Accompanying drawing explanation
Fig. 1 rail measuring unit fixture lower junction composition.
Fig. 2 rail measuring unit fixture outboard structure figure.
Fig. 3 rail measuring unit fixture sectional view.
In figure: 1. rail, 2. measuring unit, 3. plate spring sheet, 4. fixing steel wire buckle, 5. right baffle plate, 6. big uncork pin, 7. large slotted nut, 8. fixture block lock bolt, 9. right back fixture block, 10. right front fixture block, 11. paw bolts, 12. wireplints, 13. sensor pressing plates, 14. left front fixture blocks, 15. cables, 16. right baffle-plate screws, 17. right baffle-plates, 18. little cottor pins, 19. little slotted nuts, 20. right parting of baffle bolts, 21. right baffle plate pins, 22. right paws, 23. left paws, 24. acceleration transducers, 25. left back fixture blocks.
Detailed description of the invention:
Below in conjunction with technical scheme and accompanying drawing, the present invention is further described:
A kind of rail wireless sense network measuring unit special fixture, is fixed on the left paw 23 of left front fixture block 14 by measuring unit 2, left front fixture block 14, left back fixture block 25, right front fixture block 10, right back fixture block 9, lower end, right paw 22, wireplint 12, sensor pressing plate 13 and cable 15 that lower end is fixed on right front fixture block 10 forms; All fixture blocks there is the breach matched with Rail basal cross section the bottom of rail can be blocked from the side; On one section of rail, left end left front fixture block 14 and left back fixture block 25 base from the bottom clamping rail of the both sides of rail, right-hand member with and right back fixture block 9 and right front fixture block 10 clamp the base of rail from two side lower parts of rail; Clamping element adopts fixture block lock bolt 8;
Measuring unit 2 is cylindrical shell, and a side of measuring unit 2 is identical with the groove radian of rail 1 side, and the arcwall face of measuring unit 2 is close to steel rail groove, and one end is fixed on left front fixture block 14, and the other end is fixed on right front fixture block 10; The outside of measuring unit 2 and top left paw 23 and right paw 22 compress.
Devise in the bottom of left front fixture block 14 and right front fixture block 10 groove installing acceleration transducer 24 respectively, fix acceleration transducer 24 in groove with sensor pressing plate 13 and screw; Acceleration transducer and measuring unit cable 15 is retrained with wireplint 12.
The top of left paw 23 and right paw 22 is hook solid, and is fixed and clamped from lateral surface and end face the groove of rail 1 by measuring unit 2.
Plate spring sheet 3 is installed between paw and measuring unit 2, with fixing steel wire buckle 4 and paw bolt 11, paw and plate spring sheet 3 is pressed abd fixed on the outside of measuring unit 2.
Left paw 23 and right paw 22 bottom are arranged in the T-slot of its place fixture block respectively, and can move along groove, and T-slot is vertical with rail 1; Adopt paw bolt 11 and little slotted nut 19 fixing press claw, then it is locking to insert little cottor pin 18.
At the left side of left front fixture block 14 fixed installation right baffle-plate 17, right baffle-plate 17 is inserted in the corresponding groove of left front fixture block 14; The right side of right front fixture block 10 fixedly mounts right baffle plate 5; Right baffle plate 5 bottom is inserted in the corresponding groove of right front fixture block 10; Opening and circular hole are arranged at right baffle-plate 17 and right baffle plate 5 bottom, to fix with right baffle-plate screw and right parting of baffle bolt 20 and conveniently to pull down; Right baffle-plate pin and right baffle plate pin 21 are arranged on the bottom of baffle plate, for fixing two baffle plates.
Measuring unit 2 utilizes the vertical location of upper Planar realization of left front fixture block 14 and right front fixture block 10, utilizes the side of left front fixture block 14 and right front fixture block 10 to realize longitudinal register, utilizes measuring unit 2 arc shaped inside face and rail 1 web of the rail face to fit and realizes located lateral.
Claims (6)
1. a rail wireless sense network measuring unit special fixture, is fixed on the left paw (23) of left front fixture block (14) by measuring unit (2), left front fixture block (14), left back fixture block (25), right front fixture block (10), right back fixture block (9), lower end, right paw (22), wireplint (12), sensor pressing plate (13) and cable (15) that lower end is fixed on right front fixture block (10) forms; It is characterized in that all fixture blocks there are the breach matched with Rail basal cross section the bottom of rail can be blocked from the side; On one section of rail, left end left front fixture block (14) and left back fixture block (25) base from the bottom clamping rail of the both sides of rail, right-hand member with and right back fixture block (9) and right front fixture block (10) clamp the base of rail from two side lower parts of rail; Clamping element adopts fixture block lock bolt (8);
Measuring unit (2) is cylindrical shell, a side of measuring unit (2) is identical with the groove radian of rail (1) side, the arcwall face of measuring unit (2) is close to steel rail groove, and one end is fixed on left front fixture block (14), the other end is fixed on right front fixture block (10); The outside of measuring unit (2) and top left paw (23) and right paw (22) compress;
Devise in the bottom of left front fixture block (14) and right front fixture block (10) groove installing acceleration transducer (24) respectively, fix acceleration transducer (24) in groove with sensor pressing plate (13) and screw; With wireplint (12) constraint acceleration transducer and cable (15).
2. a kind of rail wireless sense network measuring unit special fixture according to claim 1, it is characterized in that the top of left paw (23) and right paw (22) is hook solid, and from lateral surface and end face, measuring unit (2) is fixed and clamped the groove of rail (1).
3. a kind of rail wireless sense network measuring unit special fixture according to claim 1 and 2, it is characterized in that, between paw and measuring unit (2), plate spring sheet (3) is installed, with fixing steel wire buckle (4) and paw bolt (11), paw and plate spring sheet (3) are pressed abd fixed on the outside of measuring unit (2).
4. a kind of rail wireless sense network measuring unit special fixture according to claim 1 and 2, it is characterized in that left paw (23) and right paw (22) bottom are arranged in the T-slot of its place fixture block respectively, and can move along groove, T-slot is vertical with rail (1); Adopt paw bolt (11) and little slotted nut (19) fixing press claw, then it is locking to insert little cottor pin (18).
5. a kind of rail wireless sense network measuring unit special fixture according to claim 1, it is characterized in that right baffle-plate (17) is inserted in the corresponding groove of left front fixture block (14) in the left side of left front fixture block (14) fixed installation right baffle-plate (17); The right side of right front fixture block (10) fixedly mounts right baffle plate (5); Right baffle plate (5) bottom is inserted in the corresponding groove of right front fixture block (10); Opening and circular hole are arranged at right baffle-plate (17) and right baffle plate (5) bottom, to fix with right baffle-plate screw and right parting of baffle bolt (20) and conveniently to pull down; Right baffle-plate pin and right baffle plate pin (21) are arranged on the bottom of baffle plate, for fixing two baffle plates.
6. a kind of rail wireless sense network measuring unit special fixture according to claim 1, it is characterized in that measuring unit (2) utilizes the vertical location of upper Planar realization of left front fixture block (14) and right front fixture block (10), utilize the side of left front fixture block (14) and right front fixture block (10) to realize longitudinal register, utilize measuring unit (2) arc shaped inside face and rail (1) web of the rail face to fit and realize located lateral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657390.5A CN103603244B (en) | 2013-12-04 | 2013-12-04 | Special clamp for measuring unit of steel rail wireless sensor network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657390.5A CN103603244B (en) | 2013-12-04 | 2013-12-04 | Special clamp for measuring unit of steel rail wireless sensor network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103603244A CN103603244A (en) | 2014-02-26 |
| CN103603244B true CN103603244B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310657390.5A Expired - Fee Related CN103603244B (en) | 2013-12-04 | 2013-12-04 | Special clamp for measuring unit of steel rail wireless sensor network |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391033B (en) * | 2014-11-18 | 2017-02-22 | 浙江大学 | Metal magnetic memory steel rail welding seam detection device |
| CN104440228B (en) * | 2014-11-21 | 2017-02-01 | 林燕彬 | Internet-of-Things internal locking device for lever machining |
| CN107024293B (en) * | 2017-04-01 | 2023-08-29 | 北京铁科工程检测中心 | Rail temperature measurement support piece and rail temperature measurement device comprising same |
| CN106979962B (en) * | 2017-05-04 | 2023-11-14 | 深圳科安达电子科技股份有限公司 | Rail-mounted rain and snow detecting device for switch snow melting |
| CN109263683A (en) * | 2018-11-15 | 2019-01-25 | 大连理工大学 | Rail detection unit special fixture |
| CN110485220B (en) * | 2019-09-17 | 2024-06-04 | 西南交通大学 | Transverse continuous support type floating rail type fastener system |
Citations (6)
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|---|---|---|---|---|
| KR100950324B1 (en) * | 2009-07-29 | 2010-03-31 | 서울메트로 | New construction joint dvice displacement detection system of railway rail |
| EP2337725A2 (en) * | 2008-09-19 | 2011-06-29 | Portec Rail Products, Inc. | Wiping bar quick clamp |
| CN202072991U (en) * | 2011-04-05 | 2011-12-14 | 株洲时代新材料科技股份有限公司 | Installing fixture for steel rail vibration absorbers |
| CN103192362A (en) * | 2013-03-26 | 2013-07-10 | 苏州鼎汗传感网技术有限公司 | Positioning and line-drawing device for steel rail |
| CN103332207A (en) * | 2013-06-11 | 2013-10-02 | 大连理工大学 | Method and device for on-line acquisition of steel rail temperature, strain and acceleration data |
| CN103335589A (en) * | 2013-06-25 | 2013-10-02 | 大连理工大学 | Calibration method for CWR (Continuous Welded Railway) temperature stress sensing node |
-
2013
- 2013-12-04 CN CN201310657390.5A patent/CN103603244B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2337725A2 (en) * | 2008-09-19 | 2011-06-29 | Portec Rail Products, Inc. | Wiping bar quick clamp |
| KR100950324B1 (en) * | 2009-07-29 | 2010-03-31 | 서울메트로 | New construction joint dvice displacement detection system of railway rail |
| CN202072991U (en) * | 2011-04-05 | 2011-12-14 | 株洲时代新材料科技股份有限公司 | Installing fixture for steel rail vibration absorbers |
| CN103192362A (en) * | 2013-03-26 | 2013-07-10 | 苏州鼎汗传感网技术有限公司 | Positioning and line-drawing device for steel rail |
| CN103332207A (en) * | 2013-06-11 | 2013-10-02 | 大连理工大学 | Method and device for on-line acquisition of steel rail temperature, strain and acceleration data |
| CN103335589A (en) * | 2013-06-25 | 2013-10-02 | 大连理工大学 | Calibration method for CWR (Continuous Welded Railway) temperature stress sensing node |
Non-Patent Citations (2)
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| CN103603244A (en) | 2014-02-26 |
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