CN104111188A - Sand distribution device for preparing sand samples of different degrees of density in indoor model experiment - Google Patents
Sand distribution device for preparing sand samples of different degrees of density in indoor model experiment Download PDFInfo
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- CN104111188A CN104111188A CN201410372349.8A CN201410372349A CN104111188A CN 104111188 A CN104111188 A CN 104111188A CN 201410372349 A CN201410372349 A CN 201410372349A CN 104111188 A CN104111188 A CN 104111188A
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Abstract
The invention discloses a sand distribution device for preparing sand samples of different degrees of density in an indoor model experiment. The sand distribution device comprises a shakeout tank and a trolley platform, wherein a sand leaking plate is arranged at the bottom of the shakeout tank, round holes are uniformly formed in the sand leaking plate, two sand baffles are arranged under the sand leaking plate, the trolley platform can do a reciprocating motion along guide rails arranged on the shakeout tank, an opening-closing mechanism for opening and closing the sand baffles of the shakeout tank is arranged on the trolley platform, a control rod of the opening-closing mechanism penetrates through a spring base plate, a compression spring and a fastener from bottom to top and is mounted on a trolley platform plate, an anti-rotation key of the control rod is arranged on the trolley platform plate, and a baffling block for opening and closing the sand baffles at the bottom of the shakeout tank is arranged at the lower end of the control rod; anti-rebound baffling pins for preventing the sand baffles from falling are respectively arranged on the outer sides of bracket legs of the shakeout tank. The sand distribution device for preparing the sand samples of different degrees of density in the indoor model experiment has the beneficial effects that the disadvantages of a manual tamping method utilized in a preparation process of a traditional sand sample are overcome, the manpower and the time are saved, and the operation is convenient and rapid; the sand samples of the different degrees of density can be conveniently and rapidly prepared in the indoor model experiment of geotechnical engineering, so that the accurate control of physical characteristics of an experimental sand soil bed is realized, and an important foundation is laid for the accurate and reliable model test data.
Description
Technical field
The present invention relates to a kind of cloth sand device of preparing sand sample for Geotechnical Engineering indoor model test, particularly a kind of cloth sand device of preparing different packing sand samples for indoor model test.
Background technology
In the time carrying out civil engineering work model test or centrifugal machine model trial, often need sand to be arranged in model clay case, in different tests, the sand sample physical characteristics of arranging in model clay case is had to different requirements.The prerequisite of successfully carrying out model test is exactly the preparation work of model sand soil sample.Wherein the packing of sand is an important indicator that characterizes its physical characteristics, directly has influence on the engineering properties of sand.For ease of controlling the packing of sand sample, in model test, usually select to build again sand soil bed.In addition,, for guaranteeing the repeatability of test, also require must be able to realize in test reproducibility prepared by different packing sand samples.For cohesive soil, can, by by fixed its initial mud state, then plant and get some test soil samples that obtain from this large-scale soil sample.But producing of sand soil sample is not so simple, need the each soil sample of preparation separately, the consistance that makes thus to control soil sample becomes has difficulty.Prior art typically uses tamping in layers legal system for sand sample, while preparing sand sample, first sand is placed in model clay case several times, then uses counterweight hand compaction.The method have sand sample packing wayward, repeatable little, sand soil sample stratification effect serious and the shortcoming such as labor intensive and time, thereby cause the reliability of test findings too low.
So how to prepare quickly and easily the sand sample of different packings in model test, and can control sand soil sample physical characteristics, thereby realize the reproducibility of different physical characteristics test soil beds, to study the relevant Geotechnical Problems under different operating modes, it is an extremely important content in model investigation.
Summary of the invention
The object of the present invention is to provide a kind of cloth sand device of preparing different packing sand samples for indoor model test, can in Geotechnical Engineering indoor model test, prepare quickly and easily the sand sample of different packings, thereby realize the accurate control of test sand soil bed physical characteristics, established important foundation for model test obtains data result accurately and reliably.
In order to overcome above-mentioned the deficiencies in the prior art, the technical solution used in the present invention is:
This is used for the cloth sand device that indoor model test is prepared different packing sand samples, comprises knockout case, trolley platform, open-and-close mechanism and bracing frame.Described trolley platform can move back and forth along the guide rail arranging on described knockout case, is provided with the open-and-close mechanism of described knockout case bottom sand block plate on described trolley platform, and described knockout lower box part is arranged on support frame as described above.
Described knockout case sidewall is the rectangle knockout casing of four blocks of side plates composition, and knockout case bottom is a series of for leaking the leakage sand plate of sand circular hole or conical bore for being uniform-distribution with, and sand spills by leaking sand plate circular hole or conical bore, can residual sand on base plate after knockout; In leakage sand plate bottom, two blocks of sand block plates are set, after sand block plate is closely sealed, its center is provided with the breach coordinating with open-and-close mechanism control lever block, sand block plate and knockout case side plate chain connection, knockout case top arranges guide supporting seat on biside plate relatively, guide supporting seat is provided with guide rail, is provided with the suspension ring of lifting use on knockout case side plate.
Described trolley platform comprises trolley platform plate, and trolley platform plate below arranges slide block and can coordinate with described guide rail mobile.
Described open-and-close mechanism comprises control lever, described control lever is arranged on described trolley platform plate by spring bottom plate, holddown spring, holddown spring securing member and the securing member connecting link of open-and-close mechanism from bottom to top, on described trolley platform plate, establish and control the antirotation keys that open-and-close mechanism rotates and is connected with control lever key, described control lever bottom is by leakage sand plate and the sand block plate of described knockout case bottom, and its lower end is provided with the block of two blocks of sand block plates of folding.Open-and-close mechanism can move along guide rail with trolley platform, and fast and easy is adjusted position, and multiple open-and-close mechanisms can be installed as required, can be realized the locking of sand block plate and be opened fast by being used in conjunction with of open-and-close mechanism antirotation keys and open-and-close mechanism holddown spring.
Support frame as described above comprises four rack legs that support described knockout case four side plates, the anti-rebound backing pin of resilience when described rack leg outside is respectively arranged with and prevents that sand block plate from falling.The spacing anti-rebound backing pin of sand block plate is set, can utilizes its limit function to prevent that sand block plate from opening rear resilience knockout process is exerted an influence.
Operating process of the present invention, before sand loading, make the control lever block locking sand block plate of its bottom by rotating folding mechanism controls bar, when cloth sand, extract open-and-close mechanism control lever antirotation keys out, rotating folding mechanism controls bar rotates to sand block plate indentation, there its bottom control lever block, sand block plate is opened at once, thereby sand is fallen in the hole of leakage sand plate, and circular cone guide hole is set at the aperture place of leakage sand plate or entirety is conical bore, therefore after knockout, on base plate, there is no residual sand; After sand block plate is opened, by being arranged in anti-rebound backing pin on rack leg, automatically to complete the locking of sand block plate spacing, thereby prevent its fixing impact swinging knockout; The suspension ring that when cloth sand, the boom hoisting of chamber connects on knockout case side plate by experiment winch to this cloth sand device the height needing.
In cloth sand process, can adjust knockout height by device being risen to different height, also can pass through to exchange the leakage sand plate of different pore size, thereby can control the packing of prepared sand sample.
Compared with prior art, the invention has the beneficial effects as follows:
This device has overcome the shortcoming of hand compaction method in traditional sand sample preparation process, saves manpower and time, convenient and swift.Can in Geotechnical Engineering indoor model test, prepare quickly and easily the sand sample of different packings, thereby realize the accurate control of test sand soil bed physical characteristics, establish important foundation for model test obtains data result accurately and reliably.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is closing device structural representation;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is control lever antirotation keys principle schematic;
Fig. 6 is anti-rebound backing pin structural representation.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further illustrated:
Embodiment 1:
As shown in Fig. 1,2,3 and 4, the present invention includes control lever 1, holddown spring securing member 2, holddown spring 3, securing member connecting link 4, spring bottom plate 5, control lever antirotation keys 7, the control lever block 15 of open-and-close mechanism, trolley platform plate 6, slide block 8 with trolley platform, with the guide rail 9 of knockout case, guide supporting seat 10, knockout case side plate 11, suspension ring 12, leak sand plate 13, sand block plate 14, low-resistance spring hinge 16, and the angle bar frame leg 17 of bracing frame, anti-rebound backing pin 18.
Knockout case is that four blocks of rectangle knockout case side plates 11 and leakage sand plate 13 grades are formed by connecting, device overall dimensions: 1000mm × 1000mm × 650mm, box house size: 970mm × 970mm × 150mm, on leakage sand plate 13, be uniform-distribution with a series of for leaking circular hole or the conical bore of sand, leak the distance of center circle in sand hole and hole from being 30mm, the diameter of circular hole is 20mm, circular cone guide hole or entirety also can be set at circular orifices place for conical bore, should ensure not stay on base plate residual sand when knockout; Knockout case arranges two surfaces in leakage sand plate 13 bottoms and pastes the sand block plates 14 of rubber sealing.After two blocks of sand block plates 14 are closely sealed, its center is provided with the breach coordinating with open-and-close mechanism block 15; Two blocks of sand block plates 14 use low-resistance spring hinge 16 chain connections with knockout case side plate, can improve the opening speed of sand block plate 14.Knockout case top arranges two guide supporting seats 10 on biside plate relatively, establishes guide rail 9 on guide supporting seat 10, and the suspension ring 12 in order to lifting are set on knockout case side plate.
Open-and-close mechanism comprises control lever 1, control lever 1 is arranged on trolley platform plate 6 by open-and-close mechanism holddown spring base plate 5, holddown spring 3, holddown spring securing member 2 and two securing member connecting links 4 from bottom to top, on trolley platform plate 6, establish and control the control lever antirotation keys 7 that open-and-close mechanism rotates, control lever 1 bottom is by leakage sand plate 13 and the sand block plate 14 of described knockout case bottom, and its lower end is provided with the block 15 of two blocks of sand block plates 14 of folding.Open-and-close mechanism can move along guide rail, fast and easy is adjusted position, can be realized the locking of sand block plate 14 and be opened fast by being used in conjunction with of control lever 1, spring securing member 2, holddown spring 3, spring bottom plate 5 and open-and-close mechanism control lever antirotation keys 7 and control lever link stopper 15 of open-and-close mechanism.
Trolley platform is seated in knockout case top, and landing slab 6 bottoms of trolley platform are established slide block 8 and can be moved back and forth along the guide rail 9 on the set guide supporting seat 10 in knockout case top.The visual actual needs of trolley platform and open-and-close mechanism arranges multiple.
Knockout case bracing frame comprises four angle bar frame legs 17 that support knockout case four side plates, the anti-rebound backing pin 18 of resilience when angle bar frame leg 17 outsides arrange respectively and prevent that sand block plate 14 from falling.The position-limit mechanism that this anti-rebound backing pin 18 is again sand block plate 14, after sand block plate 14 is opened, can to utilize beveled end to block jail to it spacing for anti-rebound backing pin 18, to avoid resilience to produce knockout inhomogeneous adverse effect to knockout process.
In the time carrying out cloth sand test, first by rotating folding mechanism controls bar 1, the open-and-close mechanism control lever block 15 of its bottom is locked sand block plate 14, then test sand is placed in to knockout case, connects suspension ring 12 by crane device is winched to the certain height and position of model clay upper box part.Adjust after knockout height, remove open-and-close mechanism antirotation keys 7, reverse the middle breach of two blocks of sand block plates 14 that open-and-close mechanism control lever 1 makes set open-and-close mechanism control lever block 15 alignings in its lower end coordinate with link stopper, thereby open sand block plate 14, sand is fallen within the native case of model test by a series of uniform small pores of leaking sand plate 13.After cloth sand, closed sand block plate 14, removes open-and-close mechanism antirotation keys 7, reverses open-and-close mechanism control lever 1 and makes its end open-and-close mechanism control lever block 15 lock sand block plate 14, plugs open-and-close mechanism antirotation keys 7, and then sand loading in knockout case, carries out next substandard cloth sand.Open-and-close mechanism control lever block 15 is locked before sand block plate 14, and open-and-close mechanism can move along guide rail together with trolley platform on knockout case.
Embodiment 2:
The structure of this device is with embodiment 1.
In test by exchange there is the leakage sand plate of different bottom plate hole diameters, pitch of holes type, the particle diameter of adjusting knockout height, sand is controlled prepared sand sample packing.Can prepare with the leakage sand plate that Circularhole diameter is 20mm, 10mm, 5mm or the circular hole with tapering guide hole the sand sample of different packings.By the variation of above three kinds of different-diameters, carry out sand trial, to reach the result of controlling the different packings of sand.
Claims (7)
1. prepare the cloth sand device of different packing sand samples for indoor model test for one kind, it is characterized in that: it comprises knockout case, trolley platform, open-and-close mechanism and bracing frame, described trolley platform can move back and forth along the guide rail arranging on described knockout case, the described open-and-close mechanism that is provided with knockout case sand block plate described in folding on described trolley platform, described knockout case is arranged on support frame as described above.
2. the cloth sand device of preparing different packing sand samples for indoor model test according to claim 1, it is characterized in that: described knockout case sidewall is the rectangle knockout casing of four side plate compositions, knockout case bottom is a series of for leaking the leakage sand plate of sand circular hole or conical bore for being uniform-distribution with, in leakage sand plate bottom, two blocks of sand block plates are set, after sand block plate is closely sealed, its center is provided with the breach coordinating with open-and-close mechanism control lever block, sand block plate and knockout case side plate chain connection, knockout case top arranges guide supporting seat on biside plate relatively, guide supporting seat is provided with guide rail, on knockout case side plate, be provided with the suspension ring of lifting use.
3. the cloth sand device of preparing different packing sand samples for indoor model test according to claim 2, is characterized in that: described sand block plate surface is pasted with stripper rubber.
4. the cloth sand device of preparing different packing sand samples for indoor model test according to claim 3, is characterized in that: described sand block plate adopts low-resistance spring hinge to be connected with knockout case side plate.
5. according to arbitrary described cloth sand device of preparing different packing sand samples for indoor model test in claim 1 to 4, it is characterized in that: described trolley platform comprises trolley platform plate, trolley platform plate below arranges slide block and can coordinate with described guide rail mobile.
6. the cloth sand device of preparing different packing sand samples for indoor model test according to claim 5, it is characterized in that: described open-and-close mechanism comprises control lever, described control lever is from bottom to top by the spring bottom plate of open-and-close mechanism, holddown spring, holddown spring securing member and securing member connecting link are arranged on described trolley platform plate, on described trolley platform plate, establish and control the antirotation keys that open-and-close mechanism rotates and is connected with control lever key, described control lever bottom is by leakage sand plate and the sand block plate of described knockout case bottom, its lower end is provided with the block of two blocks of sand block plates of folding.
7. the cloth sand device of preparing different packing sand samples for indoor model test according to claim 6, it is characterized in that: support frame as described above comprises four rack legs that support described knockout case four side plates the anti-rebound backing pin of resilience when described rack leg outside is respectively arranged with and prevents that sand block plate from falling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372349.8A CN104111188B (en) | 2014-07-31 | 2014-07-31 | Sand distribution device for preparing sand samples of different degrees of density in indoor model experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372349.8A CN104111188B (en) | 2014-07-31 | 2014-07-31 | Sand distribution device for preparing sand samples of different degrees of density in indoor model experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104111188A true CN104111188A (en) | 2014-10-22 |
| CN104111188B CN104111188B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410372349.8A Expired - Fee Related CN104111188B (en) | 2014-07-31 | 2014-07-31 | Sand distribution device for preparing sand samples of different degrees of density in indoor model experiment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782593A (en) * | 2017-09-18 | 2018-03-09 | 东南大学 | Packaged type sand leakage device and prepare the method for making sample of sand using it |
| CN113848107A (en) * | 2021-09-15 | 2021-12-28 | 天津大学 | Saturated sandy soil preparation device and method suitable for indoor geotechnical model test tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256126A (en) * | 2008-03-25 | 2008-09-03 | 浙江大学 | Compression tester without disturbed soil |
| CN103128845A (en) * | 2013-02-07 | 2013-06-05 | 柳州煜华科技有限公司 | Automatic unloading device of autoclaved sand-lime brick raw material ageing technology |
| CN103278612A (en) * | 2013-04-26 | 2013-09-04 | 上海交通大学 | Sand rain-type filling device for geotechnical engineering model test |
| CN204008248U (en) * | 2014-07-31 | 2014-12-10 | 河南工业大学 | A kind of cloth sand device of preparing different packing sand samples for indoor model test |
-
2014
- 2014-07-31 CN CN201410372349.8A patent/CN104111188B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256126A (en) * | 2008-03-25 | 2008-09-03 | 浙江大学 | Compression tester without disturbed soil |
| CN103128845A (en) * | 2013-02-07 | 2013-06-05 | 柳州煜华科技有限公司 | Automatic unloading device of autoclaved sand-lime brick raw material ageing technology |
| CN103278612A (en) * | 2013-04-26 | 2013-09-04 | 上海交通大学 | Sand rain-type filling device for geotechnical engineering model test |
| CN204008248U (en) * | 2014-07-31 | 2014-12-10 | 河南工业大学 | A kind of cloth sand device of preparing different packing sand samples for indoor model test |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782593A (en) * | 2017-09-18 | 2018-03-09 | 东南大学 | Packaged type sand leakage device and prepare the method for making sample of sand using it |
| CN107782593B (en) * | 2017-09-18 | 2020-02-18 | 东南大学 | Movable sand leaking device and sample preparation method for preparing sandy soil by using same |
| CN113848107A (en) * | 2021-09-15 | 2021-12-28 | 天津大学 | Saturated sandy soil preparation device and method suitable for indoor geotechnical model test tank |
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| CN104111188B (en) | 2017-01-25 |
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Inventor after: Xiao Zhaoran Inventor after: Zhou Zhiqiang Inventor after: Ji Zhanyong Inventor after: Zhu Liangliang Inventor after: Zheng Huamao Inventor after: Liu Die Inventor after: Wang Xiaoming Inventor after: Lv Qingxian Inventor before: Xiao Zhaoran Inventor before: Zhu Liangliang Inventor before: Zheng Huamao Inventor before: Liu Die Inventor before: Wang Xiaoming |
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Granted publication date: 20170125 Termination date: 20180731 |