CN103603244A - 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 PDF

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Publication number
CN103603244A
CN103603244A CN201310657390.5A CN201310657390A CN103603244A CN 103603244 A CN103603244 A CN 103603244A CN 201310657390 A CN201310657390 A CN 201310657390A CN 103603244 A CN103603244 A CN 103603244A
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CN
China
Prior art keywords
fixture block
measuring unit
rail
paw
baffle
Prior art date
Application number
CN201310657390.5A
Other languages
Chinese (zh)
Other versions
CN103603244B (en
Inventor
戴恒震
刘冲
张志新
焦振华
王大志
任同群
梁军生
王天娆
Original Assignee
大连理工大学
苏州鼎汗传感网技术有限公司
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Application filed by 大连理工大学, 苏州鼎汗传感网技术有限公司 filed Critical 大连理工大学
Priority to CN201310657390.5A priority Critical patent/CN103603244B/en
Publication of CN103603244A publication Critical patent/CN103603244A/en
Application granted granted Critical
Publication of CN103603244B publication Critical patent/CN103603244B/en

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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

A kind of rail wireless sense network measuring unit special fixture

Technical field

The present invention relates to a kind of sectional fixture of rail wireless sense network measuring unit, especially relate to a kind of measuring unit special fixture of high-speed railway seamless rail monitoring wireless sense network.

Background technology

China has become in the world that high-speed railway operation mileage is the longest at present, and overall trip speed is the highest, and the country of building scale 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, in long rail string, will produce longitudinal temperature power.When rail temperature declines, in rail, produce axial tension; When temperature is lower, especially, in the season in winter of cold district, in rail, longitudinal temperature pulling force is larger, at weakness such as the weld seam of rail, crackles, because bearing larger longitudinal temperature pulling force, rail fracture may occur, and causes Loss of Life and property.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, wireless sense network measuring unit is installed thereon, forming rail state measurement network is a kind of effective solution.The enforcement of this technology need to guarantee that measuring unit is arranged on tested rail safely and reliably, needs to prepare special-purpose fixture for this reason.For high-speed railway, measure requirement, need to measuring unit solid and reliable be arranged on the web of the rail side of rail.

Summary of the invention

In order to address the above problem, the technical solution used in the present invention is:

A rail wireless sense network measuring unit special fixture, is fixed on 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 the cable that left paw, the lower end of left front fixture block be fixed on right front fixture block and forms; On all fixture blocks, there is the breach matching with Rail basal cross section to can block from the side the bottom of rail; On one section of rail, left end clamps the base of rail with left front fixture block and left back fixture block from the bottom of the both sides of rail, and right-hand member use 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 compress with left paw and right paw.

In the bottom of left front fixture block and right front fixture block, designed respectively the groove that acceleration transducer is installed, with sensor pressing plate and screw fixedly acceleration transducer in groove; With wireplint constraint acceleration transducer and measuring unit cable.

The top of left paw and right paw is hook solid, and from lateral surface and end face, measuring unit is fixed and clamped the groove of rail.

Between paw and measuring unit, plate spring sheet is installed, with fixedly steel wire buckle and paw bolt are pressed abd fixed on paw and plate spring sheet in the outside of measuring unit.

Left paw and right paw bottom are arranged on respectively in the T-slot of its place fixture block, 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 and conveniently pull down with right baffle-plate screw and right parting of baffle bolt; 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 medial surface and the laminating of Rail central plane to realize located lateral.

The invention has the beneficial effects as follows: a kind of wireless sense network measuring unit and special fixture of effective real-time measurement deformation of rail are provided, have effectively improved the safety in utilization of rail.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. fixedly steel wire buckle, 5. right baffle plate, 6. large cottor 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.

The specific embodiment:

Below in conjunction with technical scheme and accompanying drawing, the present invention is further described:

A rail wireless sense network measuring unit special fixture, is fixed on 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 the cable 15 that left paw 23, the lower end of left front fixture block 14 be fixed on right front fixture block 10 and forms; On all fixture blocks, there is the breach matching with Rail basal cross section to can block from the side the bottom of rail; On one section of rail, left end clamps the base of rail with left front fixture block 14 and left back fixture block 25 from the bottom of the both sides of rail, and right-hand member use 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 compress with left paw 23 and right paw 22.

In the bottom of left front fixture block 14 and right front fixture block 10, designed respectively the groove that acceleration transducer 24 is installed, with sensor pressing plate 13 and screw fixedly acceleration transducer 24 in groove; With wireplint 12 constraint acceleration transducer and measuring unit cables 15.

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.

Between paw and measuring unit 2, plate spring sheet 3 is installed, with fixedly steel wire buckle 4 and paw bolt 11 are pressed abd fixed on paw and plate spring sheet 3 in the outside of measuring unit 2.

Left paw 23 and right paw 22 bottoms are arranged on respectively in the T-slot of its place fixture block, and can move along groove, and T-slot is vertical with rail 1; Adopt paw bolt 11 and little slotted nut 19 fixing press claws, 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 bottoms are 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 bottoms, to fix and conveniently pull down with right baffle-plate screw and right parting of baffle bolt 20; 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 medial surfaces and rail 1 web of the rail face laminating to realize located lateral.

Claims (6)

1. a rail wireless sense network measuring unit special fixture, is fixed on 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 the cable (15) that left paw (23), the lower end of left front fixture block (14) be fixed on right front fixture block (10) and forms; It is characterized in that there is the breach matching with Rail basal cross section to can block from the side the bottom of rail on all fixture blocks; On one section of rail, left front fixture block for left end (14) and left back fixture block (25) clamp the base of rail from the bottom of the both sides of rail, and right-hand member use 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 to be fixed on left front fixture block (14) upper in one end, the other end is fixed on right front fixture block (10); The outside of measuring unit (2) and for top left paw (23) and right paw (22) compress;
In the bottom of left front fixture block (14) and right front fixture block (10), designed respectively the groove of installation acceleration transducer (24), with sensor pressing plate (13) and screw fixedly acceleration transducer (24) in groove; With wireplint (12) constraint acceleration transducer and measuring unit cable (15).
2. a kind of rail wireless sense network measuring unit special fixture according to claim 1, the top that it is characterized in that 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 fixedly steel wire buckle (4) and paw bolt (11) are pressed abd fixed on paw and plate spring sheet (3) in 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 on respectively in the T-slot of its place fixture block, 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, is characterized in that right baffle-plate (17) is inserted in the corresponding groove of left front fixture block (14) at 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 and conveniently pull down with right baffle-plate screw and right parting of baffle bolt (20); 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 medial surface and the laminating of rail (1) web of the rail face to realize located lateral.
CN201310657390.5A 2013-12-04 2013-12-04 Special clamp for measuring unit of steel rail wireless sensor network CN103603244B (en)

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

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CN103603244A true CN103603244A (en) 2014-02-26
CN103603244B CN103603244B (en) 2015-07-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104391033A (en) * 2014-11-18 2015-03-04 浙江大学 Metal magnetic memory steel rail welding seam detection device
CN104440228A (en) * 2014-11-21 2015-03-25 成都英力拓信息技术有限公司 Internet-of-Things internal locking device for lever machining

Citations (6)

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Publication number Priority date Publication date Assignee Title
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
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
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

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* Cited by examiner, † Cited by third party
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

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104391033A (en) * 2014-11-18 2015-03-04 浙江大学 Metal magnetic memory steel rail welding seam detection device
CN104391033B (en) * 2014-11-18 2017-02-22 浙江大学 Metal magnetic memory steel rail welding seam detection device
CN104440228A (en) * 2014-11-21 2015-03-25 成都英力拓信息技术有限公司 Internet-of-Things internal locking device for lever machining

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