CN104833585A - Device for testing compressive strength of railway broken stone ballast - Google Patents
Device for testing compressive strength of railway broken stone ballast Download PDFInfo
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- CN104833585A CN104833585A CN201510229382.XA CN201510229382A CN104833585A CN 104833585 A CN104833585 A CN 104833585A CN 201510229382 A CN201510229382 A CN 201510229382A CN 104833585 A CN104833585 A CN 104833585A
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Abstract
The invention relates to a device for testing the compressive strength of railway broken stone ballast. The device comprises a horizontal loading mechanism for providing a horizontal load, a topless box for providing a horizontal counter force and placing ballast, an L-shaped movable crushing plate arranged in the topless box, and a displacement measuring mechanism for measuring the displacement of the L-shaped movable crushing plate. The provided device is dedicated for testing the compressive strength of railway broken stone ballast, and has the characteristic of convenience in transportation and accuracy in testing the compressive strength of railway broken stone ballast. The device loads force horizontally to avoid the using of a large force-loading rack, the occupied area is reduced, moreover, the device is portable, and the operation is simple.
Description
Technical field
The present invention relates to a kind of device testing compressive strength, particularly relate to a kind of device testing railway rubble railway ballast compressive strength.
Background technology
Ballast track is one of topmost track structure form of China railways, ends for the end of the year 2004, and China's existing railway mileage is 7.44 ten thousand kilometers, and wherein Ballast track accounts for more than 99%.Ballast bed in Ballast track is made up of graded broken stone, and its service state has directly had influence on the safe operation of railway and daily maintenance, wherein to have in the maintenance work of tiny fragments of stone, coal, etc. railway roadbed more than 75% all for ballast bed expansion.Therefore the mechanical property grasping railway ballast bed has important practical meaning in engineering.
The fragmentation of railway rubble railway ballast and corner abrasion are the one of the main reasons causing having tiny fragments of stone, coal, etc. railway roadbed aging.Only have the Cracking Mechanism of clear and definite rubble railway ballast to be optimized the maintenance work of railway roadbed theoretically, reach saving financial cost, improve the object of operating efficiency.And the compressive strength measuring the newly-built and existing drawing lines tiny fragments of stone, coal, etc. is the prerequisite that clear and definite railway ballast Cracking Mechanism and numerical simulation have tiny fragments of stone, coal, etc. railway roadbed, therefore exploitation is a kind of towards railway systems, seems particularly important for the low cost of the test of graded broken stone railway ballast compressive strength, portable instrument.
Summary of the invention
The object of the invention is to propose a kind ofly to be specifically designed to railway rubble railway ballast and dismounting is easy, accurately can measure the device of railway rubble railway ballast compressive strength.
For achieving the above object, the invention provides a kind of device testing railway rubble railway ballast compressive strength, described device comprises the horizontal addload mechanism providing horizontal loading, there is provided horizontal reacting force and place railway ballast without top box, be arranged on described movement without the L-type in top box to crush plate and move for measuring described L-type the displacement measurement mechanism crushing plate displacement, described horizontal addload mechanism comprises the oil pressure unit being horizontally set on described L-type and moving the hydraulic top on crushing plate and match with described hydraulic top, described L-type moves crushing plate and described hydraulic top inside is provided with horizontal pressure force sensor, described device also comprises the real-time data acquisition device be connected with described horizontal pressure force sensor with described displacement measurement mechanism respectively.
Preferably, it is adjacent with described railway ballast that described L-type moves the minor face face crushing plate, and it is supporting surface that described L-type moves the face, long limit crushing plate.
Preferably, described L-type moves the right angle crushing plate and is provided with the first bending resistance square stiffening plate.
Preferably, described medial surface one end without top box is adjacent with described horizontal addload mechanism, and the described medial surface other end without top box is adjacent with described railway ballast.
Preferably, the described lateral surface without top box two ends is provided with the second bending resistance square stiffening plate.
Preferably, described displacement measurement mechanism comprises the thimble-type displacement transducer moving with described L-type and crush plate and contact.
Preferably, explosion-proof covering board is provided with above described railway ballast.
Based on technique scheme, advantage of the present invention is:
The device of test railway rubble railway ballast compressive strength of the present invention is exclusively used in railway rubble railway ballast compressive property and detects, have and be convenient to transport, accurately can measure the feature that railway ballast crushes performance, device load mode of the present invention is laterally load, can avoid using large-scale boosting frame to load, reduce floor area, be easy to carry about with one, shift, simple to operate.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic top plan view of the device of test railway rubble railway ballast compressive strength;
Fig. 2 is the schematic front view of the device of test railway rubble railway ballast compressive strength;
Fig. 3 is that L-type moves crushing device pedestal schematic diagram;
Wherein, 1 ~ L-type moves crushing plate; 2 ~ without top box; 3 ~ oil pressure unit; 4 ~ horizontal pressure force sensor; 5 ~ hydraulic top; 6 ~ the second bending resistance square stiffening plates; 7 ~ railway ballast; 8 ~ real-time data acquisition device; 9 ~ the first bending resistance square stiffening plates; 10 ~ explosion-proof covering board; 11 ~ thimble-type displacement transducer.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The invention provides a kind of device testing railway rubble railway ballast compressive strength, see Fig. 1 ~ Fig. 3, illustrated therein is a preferred embodiment of the present invention.The device of test railway rubble railway ballast compressive strength of the present invention comprises provides the horizontal addload mechanism of horizontal loading, horizontal reacting force is provided and place railway ballast 7 without top box 2, be arranged on and describedly move crushing plate 1 without the L-type in top box 2 and move the displacement measurement mechanism of crushing plate 1 displacement for measuring described L-type.Preferably, described medial surface one end without top box 2 is adjacent with described horizontal addload mechanism, and the described medial surface other end without top box 2 is adjacent with described railway ballast 7; The described lateral surface without top box 2 two ends is provided with the second bending resistance square stiffening plate 6.
As shown in Figure 1, described horizontal addload mechanism comprises the oil pressure unit 3 being horizontally set on described L-type and moving the hydraulic top 5 on crushing plate 1 and match with described hydraulic top 5.The hydraulic top 5 that described horizontal addload mechanism comprises horizontal positioned and the oil pressure unit 3 matched with described hydraulic top, to provide crushing force.Preferably, it is adjacent with described railway ballast 7 that described L-type moves the minor face face crushing plate 1, and it is supporting surface that described L-type moves the face, long limit crushing plate 1.Further, as shown in Figure 3, described L-type moves the right angle crushing plate 1 and is provided with the first bending resistance square stiffening plate 9.
Further, described L-type moves crushing plate 1 and is provided with horizontal pressure force sensor 4 with described hydraulic top 5 inside, and described displacement measurement mechanism comprises the thimble-type displacement transducer 11 moving with described L-type and crush plate 1 and contact.Described device also comprises the real-time data acquisition device 8 be connected with described horizontal pressure force sensor 4 with described displacement measurement mechanism respectively.Preferably, explosion-proof covering board 10 is provided with above described railway ballast 7.
Particularly, know-why of the present invention is as follows:
As shown in FIG. 1 to 3, described horizontal addload organization establishes moves in described L-type and crushes on plate 1, and provides support reaction by described without top box side 2, forms with this power crushing railway ballast 7.It is adjacent with described railway ballast 7 that described L-type moves the minor face face crushing plate 1, described L-type moves the supporting surface that the face, long limit crushing plate 1 is described hydraulic top 5 and described horizontal pressure force sensor 4, L-type described in the power provided by described hydraulic top 5 moves the minor face face crushing plate 1 can provide pressure to railway ballast 7, to test its compressive property.And described L-type moves the right angle crushing plate 1 and is provided with the first bending resistance square stiffening plate 9, move crushing plate 1 to avoid described L-type and produce deformation in force process.
As shown in Figure 2, the described short side without top box 2 one side provides the support reaction of horizontal addload, and another side is railway ballast crush plane, and two longitudinal lateral outer right angle are provided with the second bending resistance square stiffening plate 6, and its effect is identical with described first bending resistance square stiffening plate 9.Device of the present invention, in use mainly through applying horizontal loading to railway ballast 7, obtains the compressive property parameter of railway ballast 7 on this basis.
As shown in Figure 1, the thimble of described thimble-type displacement transducer 11 is positioned at described without inside the minor face of top box, can test described L-type and move the horizontal shift crushing plate 1.Device of the present invention also comprises the real-time data acquisition device 8 be connected with described horizontal pressure force sensor 4 with described displacement measurement mechanism respectively, and wherein, described horizontal pressure force sensor 4 is in order to measure and to record the horizontal thrust of hydraulic top 5.Further, splashing for preventing railway ballast 7 in test from crushing, being provided with transparent explosion-proof covering board 10, with Protection personnel.
Device of the present invention can refer to following steps and uses:
(1) first described L-type moved and crush plate 1 and be positioned over described without in top box 2, bottom surface without top box 2 is close on the long limit that described L-type moves crushing plate 1;
(2) ready railway ballast 7 to be measured is put into described L-type and move the minor face that crushes plate 1 and without between the vertical side of top box 2;
(3) described horizontal pressure force sensor 4 and hydraulic top 5 are placed horizontally at described L-type move crush plate 1 long limit above and install appropriate, cover the explosion-proof covering board 10 preventing from splashing;
(4) after equipment has all been debugged, load until railway ballast 7 is broken to described horizontal addload mechanism, the relation curve between the destruction of record railway ballast 7 and load, after experiment terminates, analyze the performance drawing rubble railway ballast 7.
The device of test railway rubble railway ballast compressive strength of the present invention is exclusively used in railway rubble railway ballast compressive property and detects, have and be convenient to transport, accurately can measure the feature that railway ballast crushes performance, device load mode of the present invention is laterally load, can avoid using large-scale boosting frame to load, reduce floor area, be easy to carry about with one, shift, simple to operate.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (7)
1. test the device of railway rubble railway ballast compressive strength for one kind, it is characterized in that: described device comprises the horizontal addload mechanism providing horizontal loading, there is provided horizontal reacting force and place railway ballast (7) without top box (2), be arranged on described movement without the L-type in top box (2) to crush plate (1) and move for measuring described L-type the displacement measurement mechanism crushing plate (1) displacement, described horizontal addload mechanism comprises the oil pressure unit (3) being horizontally set on described L-type and moving the hydraulic top (5) in crushing plate (1) and match with described hydraulic top (5), described L-type moves crushing plate (1) and is provided with horizontal pressure force sensor (4) with described hydraulic top (5) inside, described device also comprises the real-time data acquisition device (8) be connected with described horizontal pressure force sensor (4) with described displacement measurement mechanism respectively.
2. device according to claim 1, is characterized in that: it is adjacent with described railway ballast (7) that described L-type moves the minor face face crushing plate (1), and it is supporting surface that described L-type moves the face, long limit crushing plate (1).
3. device according to claim 1, is characterized in that: described L-type moves the right angle crushing plate (1) and is provided with the first bending resistance square stiffening plate (9).
4. device according to claim 1, is characterized in that: described medial surface one end without top box (2) is adjacent with described horizontal addload mechanism, and the described medial surface other end without top box (2) is adjacent with described railway ballast (7).
5. device according to claim 4, is characterized in that: the described lateral surface without top box (2) two ends is provided with the second bending resistance square stiffening plate (6).
6. device according to claim 1, is characterized in that: described displacement measurement mechanism comprises the thimble-type displacement transducer (11) moving with described L-type and crush plate (1) and contact.
7. device according to claim 4, is characterized in that: described railway ballast (7) top is provided with explosion-proof covering board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229382.XA CN104833585B (en) | 2015-05-07 | 2015-05-07 | A kind of device for testing railway rubble railway ballast compression strength |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229382.XA CN104833585B (en) | 2015-05-07 | 2015-05-07 | A kind of device for testing railway rubble railway ballast compression strength |
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| CN104833585A true CN104833585A (en) | 2015-08-12 |
| CN104833585B CN104833585B (en) | 2017-08-15 |
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| CN201510229382.XA Active CN104833585B (en) | 2015-05-07 | 2015-05-07 | A kind of device for testing railway rubble railway ballast compression strength |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840899A (en) * | 2017-03-30 | 2017-06-13 | 西南交通大学 | Compression bar stabilization testing device |
| CN110207915A (en) * | 2019-05-14 | 2019-09-06 | 武汉工程大学 | A kind of railway ballast granular media and bedding dynamic response model and test method |
| CN115979831A (en) * | 2023-03-17 | 2023-04-18 | 中国有色金属工业昆明勘察设计研究院有限公司 | Test bench and test method for compressive strength of karst region slope rock mass |
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| JP2013011575A (en) * | 2011-06-29 | 2013-01-17 | Marui:Kk | Portable concrete compression testing machine |
| CN103792141A (en) * | 2014-01-18 | 2014-05-14 | 浙江大学 | Deformation failure test device for ballast railroad sleeper roadbed system |
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| CN204718892U (en) * | 2015-05-07 | 2015-10-21 | 北京交通大学 | A kind of device testing railway rubble railway ballast compressive strength |
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2015
- 2015-05-07 CN CN201510229382.XA patent/CN104833585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013011575A (en) * | 2011-06-29 | 2013-01-17 | Marui:Kk | Portable concrete compression testing machine |
| CN103792141A (en) * | 2014-01-18 | 2014-05-14 | 浙江大学 | Deformation failure test device for ballast railroad sleeper roadbed system |
| CN204255764U (en) * | 2014-11-15 | 2015-04-08 | 中铁三局集团有限公司 | CRTS III type track plates intensity detection testing table |
| CN204718892U (en) * | 2015-05-07 | 2015-10-21 | 北京交通大学 | A kind of device testing railway rubble railway ballast compressive strength |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840899A (en) * | 2017-03-30 | 2017-06-13 | 西南交通大学 | Compression bar stabilization testing device |
| CN106840899B (en) * | 2017-03-30 | 2019-10-01 | 西南交通大学 | Compression bar stabilization testing device |
| CN110207915A (en) * | 2019-05-14 | 2019-09-06 | 武汉工程大学 | A kind of railway ballast granular media and bedding dynamic response model and test method |
| CN115979831A (en) * | 2023-03-17 | 2023-04-18 | 中国有色金属工业昆明勘察设计研究院有限公司 | Test bench and test method for compressive strength of karst region slope rock mass |
| CN115979831B (en) * | 2023-03-17 | 2023-12-01 | 中国有色金属工业昆明勘察设计研究院有限公司 | Karst area side slope rock mass compressive strength test board and test method |
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