CN104020052A - Mechanical reinforcement system - Google Patents
Mechanical reinforcement system Download PDFInfo
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- CN104020052A CN104020052A CN201310066443.6A CN201310066443A CN104020052A CN 104020052 A CN104020052 A CN 104020052A CN 201310066443 A CN201310066443 A CN 201310066443A CN 104020052 A CN104020052 A CN 104020052A
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- frame
- booster system
- sample chamber
- mechanical booster
- balancing weight
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- 230000002787 reinforcement Effects 0.000 title abstract 2
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012669 compression test Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a mechanical reinforcement system which comprises a counter weight for providing pressure, and a tension rack which is arranged along the vertical direction and is used for pressurizing a test sample in a sample chamber, wherein a first end of the tension rack is connected with the counter weight through a connecting mechanism, and the test sample in the sample chamber is pressurized through a second end of the tension rack. According to the scheme, a tension frame is connected through the counter weight and a reasonable connecting structure, and the test sample in the sample chamber is pressurized through the tension frame. The structure is high in stability, and uninterrupted pressurization can be guaranteed. Meanwhile, the value of applied pressure can be adjusted by adjusting the counter weight, and the system is convenient to use. Therefore, the system has the advantages of wide range, simple structure, high stability, high precision, low cost and the like.
Description
Technical field
The present invention relates to field of mechanical technique, particularly relate to a kind of mechanical booster system.
Background technology
Soil compression test is that research soil is in a kind of shop experiment that has the compression performance under side limit condition.When test, soil sample is placed in rigid metal box, to the ascending classification pressurization of soil sample, according to compressive stress at different levels and corresponding void ratio, draws native compression curve by pressure-bearing piston, obtain the parameter such as compressibility coefficient and modulus in compression.
In prior art, in the time being correlated with geotechnological compression test device, all need to provide pressure by mechanical booster system.The test sample of existing geotechnological compression test is all a soil sample that diameter ф × height H is 61.8mm × 40mm.In the time testing, need to carry out constantly axial pressure/unloading to test sample.Because the pressure of pressurization can reach 20MPa, and must ensure the stability of pressurizeing, therefore very high for the mechanical booster system requirements of pressure is provided.
Existingly mainly comprise three kinds of supercharging modes for the mechanical booster system of exerting pressure to test sample: lever loading mode, vapour-pressure type loading mode, fluid pressure type loading mode.Due to geotechnological compression test duration long (at least 24 hours), and therefore the bad control of mode security of hydraulic pressure loading generally all adopt lever loading mode or vapour-pressure type loading mode in prior art.Eighties of last century the eighties is in the past in lever loading mode as main; And along with the birth of high pressure vacuum pump, in prior art, more mechanical booster system adopts vapour-pressure type loading mode more.Due to application surface and need be with the resistance to compression of material, seal the restriction of problem in many ways, existing vapour-pressure type loading mode generally can only provide the stress high pressure that is no more than 3.5Mpa, cannot meet the pressure requirement of 20Mpa.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, pressurization good stability, the mechanical booster system of 20Mpa pressure can be provided.
For solving the problems of the technologies described above, the new embodiment of this practicality provides a kind of mechanical booster system, comprises balancing weight for pressure is provided, vertically the tension frame that arranges thinks that the test specimen in sample chamber pressurizes; The first end of described tension frame connects described balancing weight by bindiny mechanism and is that test specimen in sample chamber pressurizes by the second end.
As technique scheme preferably, described tension frame is a rectangle frame, comprise two vertical frames, top horizontal pane, bottom level frame, described bottom level frame connects balancing weight by bindiny mechanism, and described top horizontal pane is provided with the projection for the test sample in described sample chamber is pressurizeed.
As technique scheme preferably, in the horizontal pane of described top, be connected with deformation-sensor.
As technique scheme preferably, described bindiny mechanism comprises connecting rod and connecting line, described connecting rod one end connects described pulling force frame, the other end connects described balancing weight by connecting line.
As technique scheme preferably, described connecting rod is provided with vertical tension sensor.
As technique scheme preferably, described bindiny mechanism also comprises pulley blocks, described connecting line solderless wrapped connection is on described pulley blocks.
As technique scheme preferably, described pulley blocks comprises downslide wheels and fixed pulley; Wherein fixed pulley is arranged on a bracing frame; Described connecting line one end is fixed on the bottom level frame of this pulling force frame, and the other end is fixed on this balancing weight; Described connecting line solderless wrapped connection is on described downslide wheels and fixed pulley.
As technique scheme preferably, the sidewall of described sample chamber is provided with lateral pressure sensor, and the bottom of described sample chamber is provided with pressure transducer.
As technique scheme preferably, bottom, described sample chamber is provided with pore water outlet, described pore water outlet is connected with the pore water flow monitoring instrument for measuring hole discharge.
The beneficial effect of technique scheme of the present invention is as follows:
In above-mentioned scheme, be connected pulling force frame by balancing weight with rational syndeton, and pressurize for the test sample in sample chamber by pulling force frame.The stability of this structure is strong, can ensure continual persistent pressure.The force value that simultaneously can adjust by adjusting balancing weight pressurization, is used more convenient.As can be seen here, the present invention has advantages of that range is large, simple in structure, good stability, precision is high, cost is low etc.
Brief description of the drawings
Fig. 1 is the structural representation of the mechanical booster system of the embodiment of the present invention.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The embodiment of the present invention has proposed a kind of mechanical booster system, its structure as shown in Figure 1, comprises platform 1, for placing the sample chamber 2 of test specimen, for the balancing weight 3 of pressure, the tension frame 4 vertically arranging that is used to the test specimen in described sample chamber 2 to pressurize are provided.As shown in Figure 1, this sample chamber 2 is fixed on platform 1, and top is provided with opening.The first end of described tension frame 4 connects described balancing weight 3, the second ends by bindiny mechanism and is socketed on described sample chamber 2 and with the gravity by described balancing weight 4, the test sample in described sample chamber is pressurizeed.So in use, can obtain required test pressure by adjusting the weight of balancing weight, have advantages of that range is large, simple in structure, good stability, precision be high.
Concrete, as shown in Figure 1, this tension frame 4 is a rectangle frame, comprises two vertical frames, top horizontal pane, bottom level frame.This bottom level frame connects balancing weight by bindiny mechanism, and described top horizontal pane is provided with the projection 41 for the test sample in described sample chamber is pressurizeed.Can pressurize to test sample book by this projection 41 like this, to improve stability and the continuation of pressurization.
Concrete, what this bindiny mechanism can be as shown in Figure 1, comprising connecting rod 5 and connecting line 6, described connecting rod 5 one end connect described pulling force frame 4, and the other end connects described balancing weight 3 by connecting line 6.
In order further to improve stability, as shown in Figure 1, described platform 1 is provided with two openings so that two vertical frames of described tension frame 4 are socketed in described opening.This opening can play position-limiting action like this, to prevent that this tension frame 4 from producing lateral shift impact pressurization effect.
As shown in Figure 1, on described platform 1, be also provided with support 11, described top horizontal pane is connected on described support 11 by deformation-sensor 12.
As shown in Figure 1, described connecting rod 5 is provided with vertical tension sensor 51.
As shown in Figure 1, described bindiny mechanism also comprises pulley blocks, and described connecting line 6 solderless wrapped connections are on described pulley blocks.Concrete, as shown in Figure 1, this pulley blocks comprises downslide wheels 7 and is fixed on fixed pulley 8.Wherein these downslide wheels 7 are arranged on this platform 1 bottom, and this platform 1 is provided with a bracing frame 12 that protrudes from platform 1 upper surface, and this fixed pulley 8 is arranged on this bracing frame 13.These connecting line 6 one end are fixed on the bottom level frame of this pulling force frame 4, and the other end is fixed on this balancing weight 4; And these connecting line 6 solderless wrapped connections are on these downslide wheels 7 and fixed pulley 8.Can further improve so integrally-built stability.
As shown in Figure 1, the sidewall of described sample chamber 2 is provided with lateral pressure sensor 21, and the bottom of described sample chamber is provided with horizontal pressure force sensor 22.
As shown in Figure 1,2 bottoms, described sample chamber are provided with pore water outlet, and described pore water outlet is connected with the pore water flow monitoring instrument 23 for measuring hole discharge.
The application's technology has obtained following subsidy:
Project of national nature science fund project (No:41272301, No.40472139),
National science and technology support items (No.2012BAJ11B04),
Shijiazhuang City Technology Bureau project (No.:04121383A).
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a mechanical booster system, is characterized in that, comprises balancing weight for pressure is provided, vertically the tension frame that arranges thinks that the test specimen in sample chamber pressurizes; The first end of described tension frame connects described balancing weight by bindiny mechanism and is that test specimen in sample chamber pressurizes by the second end.
2. mechanical booster system according to claim 1, it is characterized in that, described tension frame is a rectangle frame, comprise two vertical frames, top horizontal pane, bottom level frame, described bottom level frame connects balancing weight by bindiny mechanism, and described top horizontal pane is provided with the projection for the test sample in described sample chamber is pressurizeed.
3. mechanical booster system according to claim 2, is characterized in that, in the horizontal pane of described top, is connected with deformation-sensor.
4. mechanical booster system according to claim 2, is characterized in that, described bindiny mechanism comprises connecting rod and connecting line, and described connecting rod one end connects described pulling force frame, and the other end connects described balancing weight by connecting line.
5. mechanical booster system according to claim 4, is characterized in that, described connecting rod is provided with vertical tension sensor.
6. mechanical booster system according to claim 4, is characterized in that, described bindiny mechanism also comprises pulley blocks, and described connecting line solderless wrapped connection is on described pulley blocks.
7. mechanical booster system according to claim 6, is characterized in that, described pulley blocks comprises downslide wheels and fixed pulley; Wherein fixed pulley is arranged on a bracing frame; Described connecting line one end is fixed on the bottom level frame of this pulling force frame, and the other end is fixed on this balancing weight; Described connecting line solderless wrapped connection is on described downslide wheels and fixed pulley.
8. mechanical booster system according to claim 1, is characterized in that, the sidewall of described sample chamber is provided with lateral pressure sensor, and the bottom of described sample chamber is provided with pressure transducer.
9. mechanical booster system according to claim 1, is characterized in that, bottom, described sample chamber is provided with pore water outlet, and described pore water outlet is connected with the pore water flow monitoring instrument for measuring hole discharge.
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CN201310066443.6A CN104020052B (en) | 2013-03-01 | 2013-03-01 | A kind of mechanical booster system |
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CN201310066443.6A CN104020052B (en) | 2013-03-01 | 2013-03-01 | A kind of mechanical booster system |
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CN104020052A true CN104020052A (en) | 2014-09-03 |
CN104020052B CN104020052B (en) | 2018-02-23 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107764645A (en) * | 2017-10-09 | 2018-03-06 | 中国矿业大学 | A kind of experimental rig of large scale clay high pressure consolidation |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683480A (en) * | 1970-06-22 | 1972-08-15 | Andrew F Deming | Method and apparatus for calibrating a spring |
US4407164A (en) * | 1982-07-01 | 1983-10-04 | Burlington Industries, Inc. | Impart machine for determining heat setting conditions |
WO1989007251A1 (en) * | 1988-02-05 | 1989-08-10 | Commonwealth Scientific And Industrial Research Or | Apparatus for measuring fabric extensibility |
CN101105432A (en) * | 2007-06-13 | 2008-01-16 | 长安大学 | Cutting creep instrument |
CN101408489A (en) * | 2008-11-21 | 2009-04-15 | 哈尔滨工业大学 | Concrete plane complicated applied force test device |
CN202066775U (en) * | 2011-03-08 | 2011-12-07 | 南昌市建筑工程集团有限公司 | Lever type combined permeability and consolidation apparatus |
CN102626798A (en) * | 2011-05-13 | 2012-08-08 | 纽威数控装备(苏州)有限公司 | Heavy-load variable-load embedded mechanical reinforcing chuck |
CN203203882U (en) * | 2013-03-01 | 2013-09-18 | 中国地质科学院水文地质环境地质研究所 | Mechanical reinforcement system |
-
2013
- 2013-03-01 CN CN201310066443.6A patent/CN104020052B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683480A (en) * | 1970-06-22 | 1972-08-15 | Andrew F Deming | Method and apparatus for calibrating a spring |
US4407164A (en) * | 1982-07-01 | 1983-10-04 | Burlington Industries, Inc. | Impart machine for determining heat setting conditions |
WO1989007251A1 (en) * | 1988-02-05 | 1989-08-10 | Commonwealth Scientific And Industrial Research Or | Apparatus for measuring fabric extensibility |
CN101105432A (en) * | 2007-06-13 | 2008-01-16 | 长安大学 | Cutting creep instrument |
CN101408489A (en) * | 2008-11-21 | 2009-04-15 | 哈尔滨工业大学 | Concrete plane complicated applied force test device |
CN202066775U (en) * | 2011-03-08 | 2011-12-07 | 南昌市建筑工程集团有限公司 | Lever type combined permeability and consolidation apparatus |
CN102626798A (en) * | 2011-05-13 | 2012-08-08 | 纽威数控装备(苏州)有限公司 | Heavy-load variable-load embedded mechanical reinforcing chuck |
CN203203882U (en) * | 2013-03-01 | 2013-09-18 | 中国地质科学院水文地质环境地质研究所 | Mechanical reinforcement system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107764645A (en) * | 2017-10-09 | 2018-03-06 | 中国矿业大学 | A kind of experimental rig of large scale clay high pressure consolidation |
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