CN205655996U - Ballastless track critical member dynamic performance test device - Google Patents
Ballastless track critical member dynamic performance test device Download PDFInfo
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- CN205655996U CN205655996U CN201620347225.9U CN201620347225U CN205655996U CN 205655996 U CN205655996 U CN 205655996U CN 201620347225 U CN201620347225 U CN 201620347225U CN 205655996 U CN205655996 U CN 205655996U
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- steel construction
- fastener
- sliding layer
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- assay device
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Abstract
The utility model discloses a ballastless track critical member dynamic performance test device, including the multi -functional base of steel construction, the middle part of the multi -functional base of steel construction has set firmly steel construction reaction wall, installs two MTS testing machines that set up side by side on the steel construction reaction wall, and the both ends of the multi -functional base of steel construction have set firmly fastener dynamic characteristics test module and sliding layer dynamic characteristics test module respectively, and fastener dynamic characteristics test module and sliding layer dynamic characteristics test module pass through the bolt and be connected with the application of force end of a MTS testing machine respectively. The utility model discloses but ballastless track critical member's such as fastener, sliding layer non linear constraint performance curve under the reciprocal loading of pertinence ground acquisition power, research fastener and power consumption mechanism and the hysteretic characteristics of sliding layer under earthquake isokinetic loading, the utility model has the advantages of simple structure, convenient operation, with low costs, efficient can carry out multiunit fastener, the test of sliding layer dynamic performance, are favorable to duplicate test, and economic nature is good.
Description
Technical field
This utility model relates to structural dynamic Performance Testing Technology, particularly relates to a kind of non-fragment orbit key member power performance assay device.
Background technology
Fastener, sliding layer are the key members of CRTS II plate-type ballastless track system on bridge.Existing research focuses mostly on fastener and the relative displacement-force curve of sliding layer under static load effect, and the deficientest for fastener under the power reciprocating load such as earthquake and the Energy Dissipation Mechanism of sliding layer and hysteretic characteristic research.According to 1:1 non-fragment orbit dynamic test, its cost height, low precision, time-consuming length, difficulty are big, and be difficult to organize experiment, need one badly and can reflect actual loading situation, and good economy performance, small scale, the key member power performance detector of repeatable test and method. more.
Utility model content
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, it is provided that a kind of convenient to carry out, low cost, precision are high, the shortest, small scale, may be repeated the non-fragment orbit key member power performance assay device organizing key member dynamic effect performance test more.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
A kind of non-fragment orbit key member power performance assay device, including the steel construction multifunctional base in rectangular structure, the middle part of described steel construction multifunctional base is installed with steel construction counter force wall, two MTS testing machines being arranged side by side are installed on described steel construction counter force wall, the two ends of steel construction multifunctional base are installed with fastener dynamic trait test module and sliding layer dynamic trait test module respectively, and described fastener dynamic trait tests module and sliding layer dynamic trait test module is passed through the bolt force side respectively with a MTS testing machine and is connected.
Further improvement as to technique scheme:
Preferably, described fastener dynamic trait test module includes concrete sleeper, the fastener being installed on concrete sleeper and the rail being located on fastener, described rail foot one end is welded with the first steel plate, described first steel plate is connected with described MTS testing machine by described bolt, and described concrete sleeper is anchored on described steel construction multifunctional base by steel crab-bolt.
Preferably, described sliding layer dynamic trait test module includes concrete slab, the sliding layer being layed on concrete slab and the concrete bottom seat board being positioned on sliding layer, pre-buried second steel plate in described concrete bottom seat board, described second steel plate is connected with MTS testing machine by described bolt, and described concrete slab is anchored on described steel construction multifunctional base by steel crab-bolt.
Preferably, described sliding layer is two cloth one film sliding layers；Described concrete bottom seat board both sides are welded with spacing steel plate.
Preferably, described rail uses CHN60 rail, and fastener uses WJ-8 type fastener, and concrete sleeper height is 15cm.
Preferably, described concrete bottom seat board width 50cm, high 20cm.
Preferably, the thickness of described steel construction multifunctional base is 20cm, and the width of described steel construction counter force wall is 60cm, and the height of described steel construction counter force wall is 80cm.
Preferably, described steel construction counter force wall is anchored on described steel construction multifunctional base by steel crab-bolt.
Preferably, between described concrete slab and concrete bottom seat board the displacement meter of relation between relative displacement and power, it is mounted on recording under dynamic load function between concrete sleeper and rail.
Compared with prior art, the utility model has the advantage of:
Non-fragment orbit key member power performance assay device of the present utility model, devise the true fastener of employing and the local test model of two cloth one films, the nonlinear restriction performance curve of the non-fragment orbit such as fastener, sliding layer key member under power reciprocating load can be obtained pointedly, study fastener and the sliding layer Energy Dissipation Mechanism under the dynamic load functions such as earthquake and hysteretic characteristic；This utility model has simple structure, easy to operate, low cost, efficiency high, can carry out multi-group fastener, the test of sliding layer power performance, be conducive to repeating test, the advantages such as economy is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model non-fragment orbit key member power performance assay device.
Fig. 2 is the first steel plate and the attachment structure schematic diagram of MTS testing machine in this utility model.
Fig. 3 is the structural representation of steel construction multifunctional base in this utility model.
Marginal data:
1, rail；2, fastener；3, concrete sleeper；4, the first steel plate；5, bolt；6, steel crab-bolt；7, MTS testing machine；8, steel construction counter force wall；9, the second steel plate；10, concrete bottom seat board；11, spacing steel plate；12, concrete slab；13, sliding layer；14, steel construction multifunctional base.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, this utility model is further described.
As shown in Figure 1-Figure 3, a kind of non-fragment orbit key member power performance assay device embodiment of the present utility model, including steel construction multifunctional base 14, in rectangular structure, there is steel construction counter force wall 8 at the middle part of steel construction multifunctional base 14 by the anchoring of multiple steel crab-bolts, two MTS testing machines 7 being arranged side by side along steel construction multifunctional base 14 longitudinal direction are installed on steel construction counter force wall 8, there are fastener dynamic trait test module and sliding layer dynamic trait test module in the two ends of steel construction multifunctional base 14 by the anchoring of multiple steel crab-bolts respectively, fastener dynamic trait test module and sliding layer dynamic trait test module are passed through the bolt 5 force side respectively with a MTS testing machine 7 and are connected.MTS testing machine 7 is arranged on steel construction counter force wall 8, power Cyclic Loading required during being provided that module testing, can be set to power input meet sine, cosine or the power of true seismic wave characteristic by arranging, can push-and-pull module move back and forth.The nonlinear restriction performance curve of the non-fragment orbit such as fastener, sliding layer key member under power reciprocating load can be obtained pointedly, study fastener and the sliding layer Energy Dissipation Mechanism under the dynamic load functions such as earthquake and hysteretic characteristic；Simple structure of the present utility model, easy to operate, efficiency is high, can carry out multi-group fastener, the test of sliding layer power performance, be conducive to repeating test.
In the present embodiment, fastener dynamic trait test module includes concrete sleeper 3, the fastener 2 that is installed on concrete sleeper 3 and the rail 1 being located on fastener 2, concrete sleeper 3 is anchored on steel construction multifunctional base 14 by steel crab-bolt 6, it is ensured that the stability in the large of module in process of the test；Rail 1 bottom end is welded with the first steel plate 4, and the first steel plate 4 is connected with MTS testing machine 7 by bolt 5, and this connected mode is easy to MTS testing machine 7 and rail 1 is applied longitudinal force.Being provided with displacement meter between concrete sleeper 3 and rail 1, MTS testing machine 7 applies to meet the dynamic wave of sine (cosine) feature or seismic wave truly, during moving back and forth, and relation between relative displacement and power under record dynamic load function.
In the present embodiment, sliding layer dynamic trait test module includes concrete slab 12, " the two cloth one films " sliding layer 13 that is layed on concrete slab 12 and the concrete bottom seat board 10 being positioned on sliding layer 13, pre-buried second steel plate 9 guarantee that both firmly couple in concrete bottom seat board 10, concrete bottom seat board 10 both sides are welded with spacing steel plate 11 and carry out spacing.Second steel plate 9 one end is connected with MTS testing machine 7 by bolt 5, and this connected mode is easy to the power Cyclic Loading of MTS testing machine 7 applying and is dragged concrete bottom seat board 10 back and forth；Concrete slab 12 is anchored on steel construction multifunctional base 14 by steel crab-bolt 6.Being provided with displacement meter between concrete slab 12 and concrete bottom seat board 10, MTS testing machine 7 applies to meet the dynamic wave of sine (cosine) feature or seismic wave truly, during moving back and forth, and relation between relative displacement and power under record dynamic load function.
In the present embodiment, the thickness of steel construction multifunctional base 14 is 20cm；A width of 60cm of steel construction counter force wall 8, a height of 80cm；Rail 1 uses CHN60 rail, fastener 2 to use WJ-8 type fastener, and the height of concrete sleeper 3 is 15cm；A width of 50cm of concrete bottom seat board 10, a height of 20cm.
The non-fragment orbit key member power performance assay device Specific construction process of the present embodiment is as follows:
First making steel construction multifunctional base 14, its height is 20cm；Steel construction counter force wall 8 is anchored on steel construction multifunctional base 14 by steel crab-bolt 6, fixes MTS testing machine 7 respectively at steel construction counter force wall 8 two ends；Installing concrete sleeper 3 on steel construction multifunctional base 14 relevant position, its height is 15cm, is fixed on steel construction multifunctional base 14 by steel crab-bolt 6 in concrete sleeper 3 installation process；Fastener for installing 2 on concrete sleeper 3, steel rail laying 1, and at rail 1 bottom welding the first steel plate 4, the first steel plate 4 is connected with MTS testing machine 7 and tights a bolt 5 afterwards.
After installing fastener power performance test module, sliding layer power performance test module can be installed in steel construction multifunctional base 14 opposite side relevant position；First concrete slab 12 and concrete bottom seat board 10 punched and use steel crab-bolt 6 to fix, concrete slab 12 is laid " two cloth one films " sliding layer 13；Continuing to lay the concrete bottom seat board 10 being embedded with the second steel plate 9 above sliding layer 13, concrete bottom seat board 10 both sides welded limiting steel plate 11 carries out spacing；Concrete bottom seat board 10 is connected with MTS testing machine 7 by pre-buried second steel plate 9, and joint bolt 5 connects.
Displacement meter is installed between concrete slab 12 and concrete bottom seat board 10, between concrete sleeper 3 and rail 1, MTS testing machine 7 applies to meet dynamic wave or the seismic wave truly of sine (cosine) feature, during moving back and forth, record the relation between relative displacement and power under dynamic load function.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, be regarded as protection domain of the present utility model.
Claims (10)
1. a non-fragment orbit key member power performance assay device, it is characterized in that: include the steel construction multifunctional base in rectangular structure, the middle part of described steel construction multifunctional base is installed with steel construction counter force wall, two MTS testing machines being arranged side by side are installed on described steel construction counter force wall, the two ends of steel construction multifunctional base are installed with fastener dynamic trait test module and sliding layer dynamic trait test module respectively, and described fastener dynamic trait tests module and sliding layer dynamic trait test module is passed through the bolt force side respectively with a MTS testing machine and is connected.
Non-fragment orbit key member power performance assay device the most according to claim 1, it is characterized in that: described fastener dynamic trait test module includes concrete sleeper, the fastener being installed on concrete sleeper and the rail being located on fastener, described rail foot one end is welded with the first steel plate, described first steel plate is connected with described MTS testing machine by described bolt, and described concrete sleeper is anchored on described steel construction multifunctional base by steel crab-bolt.
Non-fragment orbit key member power performance assay device the most according to claim 2, it is characterized in that: described sliding layer dynamic trait test module includes concrete slab, the sliding layer being layed on concrete slab and the concrete bottom seat board being positioned on sliding layer, pre-buried second steel plate in described concrete bottom seat board, described second steel plate is connected with MTS testing machine by described bolt, and described concrete slab is anchored on described steel construction multifunctional base by steel crab-bolt.
Non-fragment orbit key member power performance assay device the most according to claim 3, it is characterised in that: described sliding layer is " two cloth one films " sliding layer.
Non-fragment orbit key member power performance assay device the most according to claim 4, it is characterised in that: described concrete bottom seat board two ends are welded with spacing steel plate.
Non-fragment orbit key member power performance assay device the most according to claim 5, it is characterised in that: described rail uses CHN60 rail, and fastener uses WJ-8 type fastener, and concrete sleeper height is 15cm.
7. according to the non-fragment orbit key member power performance assay device described in any one of claim 3～6, it is characterised in that: described concrete bottom seat board width 50cm, high 20cm.
8. according to the non-fragment orbit key member power performance assay device described in any one of claim 1～6, it is characterized in that: the thickness of described steel construction multifunctional base is 20cm, the width of described steel construction counter force wall is 60cm, and the height of described steel construction counter force wall is 80cm.
9. according to the non-fragment orbit key member power performance assay device described in any one of claim 1～6, it is characterised in that: described steel construction counter force wall is anchored on described steel construction multifunctional base by steel crab-bolt.
10. according to the non-fragment orbit key member power performance assay device described in any one of claim 3～6, it is characterised in that: it is mounted on recording under dynamic load function the displacement meter of relation between relative displacement and power between described concrete slab and concrete bottom seat board, between concrete sleeper and rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620347225.9U CN205655996U (en) | 2016-04-22 | 2016-04-22 | Ballastless track critical member dynamic performance test device |
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| CN201620347225.9U CN205655996U (en) | 2016-04-22 | 2016-04-22 | Ballastless track critical member dynamic performance test device |
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| CN205655996U true CN205655996U (en) | 2016-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458863A (en) * | 2018-03-22 | 2018-08-28 | 中南大学 | The longitudinally reciprocal loading simulation experimental provision of track |
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2016
- 2016-04-22 CN CN201620347225.9U patent/CN205655996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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