CN203965144U - Rail fastening lateral stiffness measurement mechanism - Google Patents
Rail fastening lateral stiffness measurement mechanism Download PDFInfo
- Publication number
- CN203965144U CN203965144U CN201420358894.7U CN201420358894U CN203965144U CN 203965144 U CN203965144 U CN 203965144U CN 201420358894 U CN201420358894 U CN 201420358894U CN 203965144 U CN203965144 U CN 203965144U
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- China
- Prior art keywords
- sleeve
- rail
- measurement mechanism
- rail fastening
- lateral stiffness
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- Machines For Laying And Maintaining Railways (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of rail fastening lateral stiffness measurement mechanism, comprise for two of track strands of rail are applied to the bidirectional force applying assembly of transverse horizontal power and for measuring the displacement measurement assembly of Rail Lateral Displacement simultaneously.Two push rods that bidirectional force applying assembly comprises sleeve and is slidedly arranged in sleeve and stretches out from the two ends of sleeve respectively, are equiped with in sleeve for driving two push rods to slide to stretch out the telescopic drive part of sleeve and for detection of the force cell of push rod transverse horizontal power size; Displacement measurement assembly is clock gauge, and it is comprised of measuring probe, sounding rod and reading display screen.The utlity model has simple in structure, be easy to carry, easy to operate, measurement result accuracy advantages of higher.
Description
Technical field
The utility model relates to engineering measuring technology field, is specifically related to a kind of rail fastening lateral stiffness measurement mechanism.
Background technology
Rail fastening is to stop rail with respect to the connected component of sleeper generation transversal displacement, and rail fastening lateral stiffness is to stop rail with respect to the tolerance of the capacity of water of sleeper generation transversal displacement, is the important indicator of evaluating rail fastening performance quality.Along with high-speed railway constantly raises speed, the technical property requirements of rail fastening rigidity is also improved constantly.The lateral stiffness of Measurement accuracy rail fastening is definite rail fastening rigidity, research track geometry, carry out the normal needs of repairing, guarantee traffic safety of supporting.
Yet, at present domesticly also do not have a kind ofly can to facilitate, the device of Measurement accuracy rail fastening lateral stiffness.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiency that prior art exists, provide a kind of simple in structure, be easy to carry, the rail fastening lateral stiffness measurement mechanism that easy to operate, measurement result accuracy is high.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of rail fastening lateral stiffness measurement mechanism, comprise for two of track strands of rail are applied to the bidirectional force applying assembly of transverse horizontal power and for measuring the displacement measurement assembly of Rail Lateral Displacement simultaneously, two push rods that described bidirectional force applying assembly comprises sleeve and is slidedly arranged in described sleeve and stretches out from the two ends of sleeve respectively, are equiped with in described sleeve for driving described two push rods to slide to stretch out the telescopic drive part of sleeve and for detection of the force cell of the suffered transverse horizontal power of described push rod size.
As further improvement of the utility model:
Described telescopic drive part comprises ultrathin hydraulic jack and for driving the hydraulic hand pump of described ultrathin hydraulic jack, one end of described ultrathin hydraulic jack and a push rod offset, and the other end of described ultrathin hydraulic jack offsets by force cell and another root push rod.
Two guide pipes that described sleeve comprises mounting cylinder and is connected to described mounting cylinder two ends, described force cell and ultrathin hydraulic jack are installed in described mounting cylinder, offer for loading and unloading the opening of described force cell and ultrathin hydraulic jack on described mounting cylinder.
Described force cell is the force cell of being furnished with readout instrument.
One end that each push rod stretches out sleeve is provided with positioning boss, on described positioning boss, is arranged with jacking block.
Described displacement measurement assembly is clock gauge, and described clock gauge comprises measuring probe, sounding rod and reading display screen.
Described measurement mechanism also comprises for the support of described clock gauge is installed.
Compared with prior art, the utility model has the advantage of: the utility model provides a kind of simple in structure, be easy to carry, easy to operate rail fastening lateral stiffness measurement mechanism, filled up current domestic also not for measuring the blank of the complete equipment of rail fastening lateral stiffness, this device in use, by bidirectional force applying assembly, two of track strands of rail are applied to transverse horizontal power simultaneously and measure the transverse horizontal power size applying, by displacement measurement assembly, measure the transversal displacement that rail produces again, and then can calculate the lateral stiffness of rail fastening, the accuracy of its measurement result is high.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model rail fastening lateral stiffness measurement mechanism.
Fig. 2 is the perspective view of push rod in the utility model rail fastening lateral stiffness measurement mechanism.
Fig. 3 is the perspective view of force cell in the utility model rail fastening lateral stiffness measurement mechanism.
Fig. 4 is the perspective view of ultrathin hydraulic jack in the utility model rail fastening lateral stiffness measurement mechanism.
Fig. 5 is the perspective view of hydraulic hand pump in the utility model rail fastening lateral stiffness measurement mechanism.
Fig. 6 is the perspective view of clock gauge in the utility model rail fastening lateral stiffness measurement mechanism.
Fig. 7 is the perspective view of the utility model rail fastening lateral stiffness measurement mechanism medium-height trestle.
Marginal data:
1, sleeve; 11, mounting cylinder; 111, opening; 12, guide pipe; 2, push rod; 21, positioning boss; 3, force cell; 31, the first bottom surface; 32, sensitive surface; 4, ultrathin hydraulic jack; 41, workplace; 42, the second bottom surface; 5, hydraulic hand pump; 6, clock gauge; 61, measuring probe; 62, sounding rod; 63, reading display screen; 7, support; 8, jacking block.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figures 1 to 7, the utility model rail fastening lateral stiffness measurement mechanism, comprise for two of track strands of rail being applied to the bidirectional force applying assembly of transverse horizontal power and for measuring the displacement measurement assembly of Rail Lateral Displacement, bidirectional force applying assembly comprises sleeve 1 and two push rods 2, two push rods 2 are slidedly arranged in sleeve 1 and can from the two ends of sleeve 1, stretch out respectively, are equiped with for driving two push rods 2 to slide to stretch out the telescopic drive part of sleeve 1 and for measuring the force cell 3 of the suffered transverse horizontal power of push rod 2 size in sleeve 1.Wherein, telescopic drive part comprises ultrathin hydraulic jack 4 and hydraulic hand pump 5, hydraulic hand pump 5 supports the use with ultrathin hydraulic jack 4, it can be ultrathin hydraulic jack 4 required hydraulic pressure is provided, and above-mentioned ultrathin hydraulic jack 4 and hydraulic hand pump 5 can adopt ultrathin hydraulic jack 4 general on market and hydraulic hand pump 5.One end and a push rod 2 of ultrathin hydraulic jack 4 offset, the other end of ultrathin hydraulic jack 4 offsets by force cell 3 and another root push rod 2, be that force cell 3 and ultrathin hydraulic jack 4 are between two push rods 2, the workplace 41 of ultrathin hydraulic jack 4 is close to the first bottom surface 31 of force cell 3, the second bottom surface 42 of ultrathin hydraulic jack 4 and the wherein end of a push rod 2 are close to, and the sensitive surface 32 of force cell 3 is close to the end of another root push rod 2.Force cell 3 is for being furnished with the force cell of readout instrument, readout instrument and force cell 3 support the use, when ultrathin hydraulic jack 4 work apply transverse horizontal power to push rod 2, can on the readout instrument of force cell 3, directly read the size of this transverse horizontal power, its convenient reading, precision are high.By operation hydraulic hand pump 5 and can control the driving force size of ultrathin hydraulic jack 4 in conjunction with the readout instrument of force cell 3, and then control the size of the transverse horizontal power that rail is applied, measurement mechanism can apply to rail the transverse horizontal power of different sizes, and when measuring rail and bearing the transverse horizontal power of different sizes, its transversal displacement size.
In the present embodiment, sleeve 1 comprises mounting cylinder 11 and two guide pipes 12, two guide pipes 12 are welded on the two ends of mounting cylinder 11, and the tube chamber of two guide pipes 12 is communicated with the inner chamber of mounting cylinder 11, force cell 3 and ultrathin hydraulic jack 4 are installed in the inner chamber of mounting cylinder 11, two push rods 2 are slidedly arranged on respectively in two guide pipes 12, also offer opening 111 on mounting cylinder 11, are convenient to load and unload force cell 3 and ultrathin hydraulic jack 4.
In the present embodiment, one end that each push rod 2 stretches out sleeve 1 is provided with positioning boss 21, is arranged with jacking block 8 on positioning boss 21, and jacking block 8 is directly set on positioning boss 21 by pilot hole provided thereon, is convenient to installation and removal.During use, jacking block 8 contacts with rail, can improve the lifting surface area of rail, guarantees stressed homogeneity and the stationarity contacting, and then improves measuring accuracy and accuracy.
In the present embodiment, displacement measurement assembly comprises clock gauge 6 and support 7, and clock gauge 6 is comprised of measuring probe 61, sounding rod 62 and reading display screen 63.Support 7 is arranged on clock gauge 6 in the web of the rail outside of rail directly over tested fastener, makes measuring probe 61 vertical with the lateral surface of rail, when rail generation transversal displacement, can be measured and directly be shown on reading display screen 63 by clock gauge 6.Clock gauge 6 and support 7 all can be bought and obtain on market.
The utility model, when measuring rail fastening lateral stiffness, is chosen four groups of rail fastenings (totally eight) in orbit, and four groups of rail fastenings are divided into each two groups of left and right and keep symmetrical, as tested rail fastening; In the position of every group of tested rail fastening, a clock gauge 6 is all installed, clock gauge 6 is fixedly mounted on the web of the rail outside of rail directly over tested rail fastening by support 7, and makes its measuring probe 61 vertical with the lateral surface of rail; Force cell 3 and ultrathin hydraulic jack 4 are packed in mounting cylinder 11, the first bottom surface 31 of force cell 3 and the workplace 41 of ultrathin hydraulic jack 4 are close to mutually, in the guide pipe 12 at two push rods corresponding insertion of 2 difference mounting cylinder 11 two ends, two push rods 2 are corresponding respectively to offset with the sensitive surface 32 of force cell 3 and the second bottom surface 42 of ultrathin hydraulic jack 4, on the positioning boss 21 of each push rod 2, be socketed again a jacking block 8, complete the assembling of bidirectional force applying assembly.The bidirectional force applying assembly assembling is placed in to the middle of the orbital segment between tested rail fastening, make push rod 2 keep vertical with rail, operation hydraulic hand pump 5 makes ultrathin hydraulic jack 4 actions, ultrathin hydraulic jack 4 is ordered about two push rods 2 and is stretched out, two jacking blocks 8 on push rod 2 are close to the medial surface of two strands of rail of track respectively, and then rail is applied to transverse horizontal power, rail produces transversal displacement under the effect of transverse horizontal power, two strands of transverse horizontal power equal and opposite in directions that rail is suffered, opposite direction.
The transverse horizontal power size that rail bears equals the transverse horizontal power size that 4 pairs of push rods 2 of ultrathin hydraulic jack apply, by the induction of force cell 3, can directly from the readout instrument demonstration of force cell 3, obtain, the size of Rail Lateral Displacement can measure by clock gauge 6, and shows on the reading display screen 63 of clock gauge 6.Due to the suffered transverse horizontal power of rail by mean allocation to four groups of tested rail fastenings, like this, can determine the suffered horizontal force size of rail fastening according to the size of the suffered transverse horizontal power of rail, in conjunction with clock gauge 6 measured displacements in web of the rail place directly over each rail fastening, can calculate the lateral stiffness of rail fastening again.
It is current domestic also not for measuring the blank of the complete equipment of rail fastening lateral stiffness that rail fastening lateral stiffness measurement mechanism of the present utility model has been filled up, its by creationary applied in any combination of conventional tool such as force cell 3, ultrathin hydraulic jack 4 and clock gauges 6 in the lateral stiffness of measuring rail fastening, have simple in structure, be easy to carry, the accuracy advantages of higher of easy to operate, measurement result, there is foreseeable huge economic worth and social value.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment.For those skilled in the art, do not departing under the utility model technical conceive prerequisite resulting improvement and conversion also should be considered as protection domain of the present utility model.
Claims (7)
1. a rail fastening lateral stiffness measurement mechanism, it is characterized in that: comprise for two of track strands of rail are applied to the bidirectional force applying assembly of transverse horizontal power and for measuring the displacement measurement assembly of Rail Lateral Displacement simultaneously, two push rods (2) that described bidirectional force applying assembly comprises sleeve (1) and is slidedly arranged in described sleeve (1) and stretches out from the two ends of sleeve (1) respectively, in described sleeve (1), be equiped with for driving described two push rods (2) to slide to stretch out the telescopic drive part of sleeve (1) and for detection of the force cell (3) of the suffered transverse horizontal power of described push rod (2) size.
2. rail fastening lateral stiffness measurement mechanism according to claim 1, it is characterized in that: described telescopic drive part comprises ultrathin hydraulic jack (4) and for driving the hydraulic hand pump (5) of described ultrathin hydraulic jack (4), one end of described ultrathin hydraulic jack (4) and a push rod (2) offset, and the other end of described ultrathin hydraulic jack (4) offsets by force cell (3) and another root push rod (2).
3. rail fastening lateral stiffness measurement mechanism according to claim 2, it is characterized in that: two guide pipes (12) that described sleeve (1) comprises mounting cylinder (11) and is connected to described mounting cylinder (11) two ends, described force cell (3) and ultrathin hydraulic jack (4) are installed in described mounting cylinder (11), offer for loading and unloading the opening (111) of described force cell (3) and ultrathin hydraulic jack (4) on described mounting cylinder (11).
4. rail fastening lateral stiffness measurement mechanism according to claim 3, is characterized in that: described force cell (3) is for being furnished with the force cell of readout instrument.
5. according to the rail fastening lateral stiffness measurement mechanism described in any one in claim 1 to 4, it is characterized in that: one end that each push rod (2) stretches out sleeve (1) is provided with positioning boss (21), is arranged with jacking block (8) on described positioning boss (21).
6. according to the rail fastening lateral stiffness measurement mechanism described in any one in claim 1 to 4, it is characterized in that: described displacement measurement assembly is clock gauge (6), described clock gauge (6) comprises measuring probe (61), sounding rod (62) and reading display screen (63).
7. rail fastening lateral stiffness measurement mechanism according to claim 5, is characterized in that: described measurement mechanism also comprises the support (7) for described clock gauge (6) are installed.
Priority Applications (1)
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CN201420358894.7U CN203965144U (en) | 2014-07-01 | 2014-07-01 | Rail fastening lateral stiffness measurement mechanism |
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CN201420358894.7U CN203965144U (en) | 2014-07-01 | 2014-07-01 | Rail fastening lateral stiffness measurement mechanism |
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CN201420358894.7U Expired - Fee Related CN203965144U (en) | 2014-07-01 | 2014-07-01 | Rail fastening lateral stiffness measurement mechanism |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644425A (en) * | 2016-10-27 | 2017-05-10 | 中南大学 | Integrated measuring device for resistances in longitudinal, transverse and vertical directions of steel rail fastener |
CN108458863A (en) * | 2018-03-22 | 2018-08-28 | 中南大学 | The longitudinally reciprocal loading simulation experimental provision of track |
CN108982251A (en) * | 2018-09-07 | 2018-12-11 | 西南交通大学 | Rail clip system lateral stiffness measurement method and measuring device |
CN109468900A (en) * | 2019-01-02 | 2019-03-15 | 中南大学 | A kind of rail joint, interval iron, limiter longitudinal resistance comprehensive measurement device |
-
2014
- 2014-07-01 CN CN201420358894.7U patent/CN203965144U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644425A (en) * | 2016-10-27 | 2017-05-10 | 中南大学 | Integrated measuring device for resistances in longitudinal, transverse and vertical directions of steel rail fastener |
CN106644425B (en) * | 2016-10-27 | 2019-12-20 | 中南大学 | Comprehensive measuring device for longitudinal, transverse and vertical three-way resistance of steel rail fastener |
CN108458863A (en) * | 2018-03-22 | 2018-08-28 | 中南大学 | The longitudinally reciprocal loading simulation experimental provision of track |
CN108458863B (en) * | 2018-03-22 | 2023-12-22 | 中南大学 | Rail longitudinal reciprocating loading simulation experiment device |
CN108982251A (en) * | 2018-09-07 | 2018-12-11 | 西南交通大学 | Rail clip system lateral stiffness measurement method and measuring device |
CN109468900A (en) * | 2019-01-02 | 2019-03-15 | 中南大学 | A kind of rail joint, interval iron, limiter longitudinal resistance comprehensive measurement device |
CN109468900B (en) * | 2019-01-02 | 2023-10-24 | 中南大学 | Rail joint, interval iron and limiter longitudinal resistance comprehensive measurement device |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150701 |
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EXPY | Termination of patent right or utility model |