CN104316242B - Ladder shape ballast bed of track lateral resistance tests system and test method - Google Patents
Ladder shape ballast bed of track lateral resistance tests system and test method Download PDFInfo
- Publication number
- CN104316242B CN104316242B CN201410483006.9A CN201410483006A CN104316242B CN 104316242 B CN104316242 B CN 104316242B CN 201410483006 A CN201410483006 A CN 201410483006A CN 104316242 B CN104316242 B CN 104316242B
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- Prior art keywords
- sleeper
- measured
- wood
- bloom
- lumps
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- 238000010998 test method Methods 0.000 title claims abstract description 7
- 241001669679 Eleotris Species 0.000 claims abstract description 88
- 239000002023 wood Substances 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 239000000789 fastener Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002965 rope Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The present invention relates to a kind of ladder shape ballast bed of track lateral resistance test system and test methods, belong to field of track traffic, are suitable for ladder shape Ballast track ballast lateral resistance or stiffness measuring.Outside the both sides at sleeper both ends to be measured, it is symmetrical arranged the lumps of wood and bloom;Between the bloom of the same end both sides, ring set has steel wire cable, and the bloom, the lumps of wood and sleeper of both sides are tightly secured in together, so that sleeper to be measured is moved by jack.The present invention is combined by equipment such as rail, the lumps of wood, is acquired, is recorded to data with electronic apparatus such as displacement meter, pressure sensors.The ladder shape ballast bed of track lateral resistance tests system, and counter-force can be provided by adjacent ladder type sleeper, which stablizes, and counter-force value is big.Present apparatus installation is simple, and operation is flexible.
Description
Technical field
The present invention relates to a kind of ladder shape Ballast track transverse direction ballast resistance measurement system and methods, belong to rail traffic neck
Domain.Suitable for ladder shape ballast bed of track lateral resistance or stiffness measuring.
Background technology
Ladder shape Ballast track is a kind of important track structure, is suitable for high-speed railway, heavy haul railway and city rail
Traffic, but since ladder shape Ballast track is longitudinal sleeper design feature, lateral ballast resistance measurement has the following disadvantages:
1. ladder shape Ballast track ballast lateral resistance is big.The ladder shape Ballast track lateral resistance is a track framed bent knot
Structure, ballast lateral resistance are common ten several times of bar shaped sleeper lateral resistance or more, therefore the lateral measurement side of conventional regular sleeper
Method has been not suitable with device, and conventional regular sleeper lateral resistance measurement device generally applies counter-force by rail, cannot
It meets the requirements;
2. ladder shape Ballast track ballast lateral resistance mensuration region is wide.Ladder shape Ballast track is longitudinal length 5.5-
6.5 meters or so concrete frame structures, different from common single 0.18-0.25 meters of bar shaped sleeper end portion width, ladder shape has the tiny fragments of stone, coal, etc.
Track is a longitudinal framing concrete sleeper, which is measured as certain length, rather than a point.
Invention content
The technical problem to be solved by the present invention is to, for current common bar shaped sleeper ballast lateral resistance test method with
Device applicability is insufficient and applies the problems such as cross force method and apparatus is unsatisfactory for ladder shape sleeper vertical structure feature, invention one
Kind is suitable for ladder shape Ballast track ballast lateral resistance or the system and method for stiffness measuring.
The present invention solves the technical solution of its technical problem:
A kind of ladder shape ballast bed of track lateral resistance test system, it is each to be symmetrical arranged outside the both sides at sleeper both ends to be measured
One block of lumps of wood and a bloom;The lumps of wood is close to the outside for being placed on the sleeper end adjacent with sleeper to be measured, and bloom is close to placement
Outside the lumps of wood;Between the bloom of the same end both sides, ring set has steel wire cable, and the bloom, the lumps of wood and sleeper of both sides is tightly solid
It is scheduled on together.
Bloom is longer than the lumps of wood, and the part for extending the lumps of wood extends to the outside of sleeper to be measured, the end with sleeper to be measured
Between form hanging space.
The bloom can be the bloom of rectangle, can also be one section of waste and old steel rail of interception.
Steel wire cable has three, wherein two one end for being fastened on sleeper, another one end for being fastened on sleeper to be measured.
In certain the same side of sleeper to be measured, extends and respectively place 1,000 between the bloom outside the lumps of wood and the end of sleeper to be measured
Jin top.
It is each that a pressure sensor is set at the top of two jack.
In the centre position of sleeper to be measured, a displacement meter is fixed.
A kind of ladder shape Ballast track lateral resistance test method, testing procedure are:
The first step:The fastener connected between sleeper to be measured and the rail being laid with above is unclamped, sleeper to be measured is allowed to be in free shape
State;
Second step:Four blocks of lumps of wood, four blooms are respectively symmetrically placed on outside the both sides at sleeper both ends to be measured;Each lumps of wood
Close to being placed on outside the end of the sleeper adjacent with sleeper to be measured, bloom allows bloom to extend close to being placed on outside the lumps of wood
There is certain distance between the part of the lumps of wood and sleeper to be measured, sleeper to be measured is made there are enough mobile spaces;
Third walks:A jack is respectively placed in the bloom of sleeper the same side to be measured and the space of sleeper to be measured.
4th step:The lumps of wood of the same end both sides, bloom, sleeper ring set are fixed together with several steel wire cables, tensed
Steel wire cable, it is ensured that it will not be slided on bloom during the test;
5th step:The centre position that displacement meter is withstood to sleeper to be measured, is fixed with fixing bracket;Jack with
Pressure sensor is set between sleeper to be measured, sleeper to be measured is then pushed using symmetrical mode with the jack of both sides.
In step 4:There are many tension methods of steel wire cable, can be used in the centre position of each steel wire cable with 2
~3 tight modes of cable wire clamp lock tense.
In step 5:Displacement and pressure are tested by displacement meter, pressure sensor;Displacement and pressure signal are adopted with data
Collection instrument and computer record and calculate real time data.
The beneficial effects of the invention are as follows:
The ladder shape ballast bed of track lateral resistance tests system, can provide counter-force, the counter-force by adjacent ladder type sleeper
Stable structure, counter-force value are big.Present apparatus installation is simple, and operation is flexible.
Description of the drawings
Fig. 1 is ladder shape track lateral resistance test system schematic.
It is marked in figure:
1. sleeper to be measured, 2. sleepers, 3. blooms, 4. lumps of wood, 5. jack, 6. steel wire cables, 7. pressure sensors, 8.
Move meter.
Specific implementation mode
In conjunction with Fig. 1, the present invention is described further:
A kind of ladder shape Ballast track ballast lateral resistance test system, in one end of sleeper 1 to be measured, outside both sides respectively
It is oppositely arranged a lumps of wood 4 and a bloom 3.The bloom 3 can be the bloom of rectangle, can also be one section of interception useless
Relayable rail.The lumps of wood 4 is close to the outside for being placed on sleeper 2 end adjacent with sleeper 1 to be measured, and bloom 3 is close to being placed on the lumps of wood 4
Outside.Bloom 3 is longer than the lumps of wood 4, and the part for extending the lumps of wood 4 extends to the outside of sleeper 1 to be measured, the end with sleeper 1 to be measured
Between form hanging space.Between the bloom 3 of the same end both sides, ring set has steel wire cable 6, and effect is by the bloom of both sides
3, the lumps of wood 4 is tightly secured in together with sleeper 2.As an implementation, three steel wire cables 6 can be used, wherein two
It is fastened on one end of sleeper 2, another one end for being fastened on sleeper 1 to be measured.The difference of 1 structure on two sides of sleeper to be measured is only
It is:Side wherein extends the bloom 3 outside the lumps of wood 4 and places a jack 5 between the end of sleeper to be measured 1.
In the other end of sleeper 1 to be measured, it is provided with the structure symmetrical with above-mentioned one end.In this way, the present invention uses altogether
Four jack 5 of the lumps of wood 4, two of bloom 3, four and several steel wire cables 6.As an implementation, steel wire cable 6 is shared
The six roots of sensation.
It is each that a pressure sensor 7 is set at the top of two jack 5.In the centre position of sleeper 1 to be measured, one is fixed
Displacement meter 8.Pressure sensor 7 and displacement meter 8 are used to detect the pressure and displacement that sleeper 1 to be measured is born in test.In use,
The signal of pressure sensor 7 and displacement meter 8 is transmitted to data collecting instrument and computer, recording real-time data and is handled and is counted
It calculates, obtains the test result of ladder shape Ballast track lateral resistance.
As embodiment, the rail is 75kg/m rail, and length is 1m~1.2m.It is 0.5 that steel wire cable is a diameter of~
0.8cm, lumps of wood width are 15cm~15cm, and length is 0.5-0.8 meters.
The present invention testing procedure be:
The first step:The fastener connected between sleeper 1 to be measured and the rail being laid with above is unclamped, sleeper 1 to be measured is allowed to be in freely
State.
Second step:Four blocks of lumps of wood, 4, four blooms 3 are respectively symmetrically placed on outside the both sides at 1 both ends of sleeper to be measured;It is each
For the lumps of wood 4 close to being placed on outside the end of the sleeper 2 adjacent with sleeper 1 to be measured, bloom 3 allows steel close to being placed on outside the lumps of wood 4
Block 3, which extends between the part of the lumps of wood 4 and sleeper to be measured 1, certain distance, and sleeper 1 to be measured is made to have enough mobile spaces.Side
Wood 4 can reduce pressure of the bloom 3 to sleeper 2.
Third walks:A jack 5 is respectively placed in the bloom 3 of 1 certain the same side of sleeper to be measured and the space of sleeper to be measured 1.
4th step:The lumps of wood 4 of the same end both sides, bloom 3,2 ring set of sleeper are fixed together with several steel wire cables 6.
Taut wire rope 6, it is ensured that it will not be slided on bloom 3 during the test.The tension method of steel wire cable 6 has more
Kind, it can be used and tensed with 2~3 tight modes of cable wire clamp lock in the centre position of each steel wire cable 6.
5th step:The centre position that displacement meter 8 is withstood to sleeper 1 to be measured, is fixed with fixing bracket.In jack
Pressure sensor 7 is set between 5 and sleeper to be measured 1, sleeper to be measured is then pushed using symmetrical mode with the jack of both sides 5
1.Displacement and pressure are tested by displacement meter 8, pressure sensor 7.Displacement and pressure signal data collecting instrument and computer note
It records and calculates real time data.
Claims (5)
1. a kind of ladder shape ballast bed of track lateral resistance tests system, it is characterised in that:Both sides at sleeper to be measured (1) both ends
Outside, each to be symmetrical arranged one piece of lumps of wood (4) and a bloom (3);The lumps of wood (4) is close to being placed on the rail adjacent with sleeper to be measured (1)
The outside of (2) end is rested the head on, bloom (3) is close to being placed on the lumps of wood (4) outside;Bloom (3) is longer than the lumps of wood (4), extends the lumps of wood (4)
Part extend to the outside of sleeper to be measured (1), form hanging space between the end of sleeper to be measured (1);In the same end two
Between the bloom (3) of side, ring set has steel wire cable (6), and the bloom (3) of both sides, the lumps of wood (4) and sleeper (2) are tightly secured in
Together;Steel wire cable (6) has three, wherein two one end for being fastened on sleeper (2), another is fastened on sleeper to be measured (1)
One end;The difference of sleeper (1) structure on two sides to be measured is only:Side wherein, extend the bloom (3) of the lumps of wood (4) outside with
A jack (5) is respectively placed between the end of sleeper (1) to be measured, it is each that a pressure sensing is set at the top of two jack (5)
Device (7);A displacement meter (8) is fixed in centre position in sleeper to be measured (1).
2. lateral resistance according to claim 1 tests system, it is characterised in that:The bloom (3) is the steel of rectangle
Block or one section of waste and old steel rail of interception.
3. a kind of horizontal with the ladder shape ballast bed of track lateral resistance test system and test ladder shape ballast bed of track of claims 1 or 2
To the method for resistance, testing procedure is:
The first step:The fastener connected between sleeper (1) to be measured and the rail being laid with above is unclamped, sleeper to be measured (1) is allowed to be in freely
State;
Second step:Four pieces of lumps of wood (4), four blooms (3) are respectively symmetrically placed on outside the both sides at sleeper to be measured (1) both ends;Often
One lumps of wood (4) is close to being placed on outside the end of the sleeper (2) adjacent with sleeper to be measured (1), and bloom (3) is close to being placed on the lumps of wood
(4) outside, it and allows bloom (3) to extend between the part of the lumps of wood (4) and sleeper to be measured (1) to have certain distance, make sleeper to be measured
(1) there are enough mobile spaces;
Third walks:A jack is respectively placed in the bloom (3) of sleeper to be measured (1) certain the same side and the space of sleeper to be measured (1)
(5);
4th step:The lumps of wood (4) of the same end both sides, bloom (3), sleeper (2) ring set are fixed on one with several steel wire cables (6)
It rises, taut wire rope (6), it is ensured that it will not be slided on bloom (3) during the test;
5th step:The centre position that displacement meter (8) is withstood to sleeper to be measured (1), is fixed with fixing bracket;In jack
(5) pressure sensor (7) is set between sleeper to be measured (1), is then pushed using symmetrical mode with the jack of both sides (5)
Sleeper (1) to be measured.
4. Resistance test methods according to claim 3, in step 4:The tension method of steel wire cable (6) uses
The centre position of each steel wire cable (6) is tensed with 2~3 tight modes of cable wire clamp lock.
5. Resistance test methods according to claim 3, in step 5:Pass through displacement meter (8), pressure sensor (7)
Test displacement and pressure;Displacement and pressure signal data collecting instrument and computer record and calculate real time data.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410483006.9A CN104316242B (en) | 2014-09-19 | Ladder shape ballast bed of track lateral resistance tests system and test method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410483006.9A CN104316242B (en) | 2014-09-19 | Ladder shape ballast bed of track lateral resistance tests system and test method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104316242A CN104316242A (en) | 2015-01-28 |
CN104316242B true CN104316242B (en) | 2018-08-31 |
Family
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201359540Y (en) * | 2009-03-06 | 2009-12-09 | 中南大学 | Lateral resistance detection device for railway track bed |
CN201364212Y (en) * | 2009-02-23 | 2009-12-16 | 北京交通大学 | Transverse resistance testing equipment of railway ballast track bed |
CN201392259Y (en) * | 2009-03-06 | 2010-01-27 | 中南大学 | Railway track bed longitudinal resistance detection device |
CN102628243A (en) * | 2012-05-04 | 2012-08-08 | 北京交通大学 | Horizontal restraint device of ballast bed |
CN203274993U (en) * | 2013-05-21 | 2013-11-06 | 中南大学 | Adjustable ballasted railway sleeper ballast bed lateral resistance detection device |
CN103630283A (en) * | 2013-12-03 | 2014-03-12 | 中铁第五勘察设计院集团有限公司 | Sleeper longitudinal-transverse resistance dynamic detector and detecting method |
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201364212Y (en) * | 2009-02-23 | 2009-12-16 | 北京交通大学 | Transverse resistance testing equipment of railway ballast track bed |
CN201359540Y (en) * | 2009-03-06 | 2009-12-09 | 中南大学 | Lateral resistance detection device for railway track bed |
CN201392259Y (en) * | 2009-03-06 | 2010-01-27 | 中南大学 | Railway track bed longitudinal resistance detection device |
CN102628243A (en) * | 2012-05-04 | 2012-08-08 | 北京交通大学 | Horizontal restraint device of ballast bed |
CN203274993U (en) * | 2013-05-21 | 2013-11-06 | 中南大学 | Adjustable ballasted railway sleeper ballast bed lateral resistance detection device |
CN103630283A (en) * | 2013-12-03 | 2014-03-12 | 中铁第五勘察设计院集团有限公司 | Sleeper longitudinal-transverse resistance dynamic detector and detecting method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Jing Guoqing Inventor after: Guo Yunlong Inventor after: Jia Wenli Inventor after: Qiang Weile Inventor after: Lu Wei Inventor before: Guo Yunlong |
|
GR01 | Patent grant |