CN207300752U - Rock And Soil flexible boundary loading device and pilot system - Google Patents
Rock And Soil flexible boundary loading device and pilot system Download PDFInfo
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- CN207300752U CN207300752U CN201721320880.6U CN201721320880U CN207300752U CN 207300752 U CN207300752 U CN 207300752U CN 201721320880 U CN201721320880 U CN 201721320880U CN 207300752 U CN207300752 U CN 207300752U
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Abstract
It the utility model is related to a kind of Rock And Soil flexible boundary loading device and the Rock And Soil pilot system comprising the loading device.The loading device includes pressue device and rigid load plate, and rigid load plate includes four pieces, is set respectively along four side verticals of regular hexahedron shape, and adjacent two pieces rigid load plates are mutually perpendicular to, and are linked together by flexible connecting member；Each rigidity load plate includes front, the back side and two sides, and front is loading surface, and the back side is connected with pressue device；The rigidity load plate is installed on rail structure.The utility model connects each rigid load plate using flexible connecting member, has not only solved boundary force problem of non-uniform, but also increases load plate stroke, can complete the Rock And Soil large deformation experiment under flexible boundary loading environment, improve model test precision；Flexibility loading device provided by the utility model and pilot system also have the advantages that easy to operate, cost is low, highly practical.
Description
Technical field
Rock And Soil experiment field is the utility model is related to, more particularly to a kind of Rock And Soil of achievable flexible boundary loading
Flexible boundary loading device and the pilot system comprising the loading device.
Background technology
Large-scale geotechnical engineering problems are sufficiently complex, by cannot often have ginseng the methods of numerical computations and theory analysis
Examine meaning as a result, therefore, analog simulation experiment become solve in heavy construction with Rock And Soil physics, the relevant difficulty of mechanical property
The necessary research means of topic.In analog simulation experiment, primary stress condition and specimen size decide the accurate of result of the test
Property.Uniform force boundary condition based on flexible boundary is better than the uniform displacement boundary condition based on rigid boundary, and is tried than ruler greatly
Test the result of the test accuracy higher of model.
The flexible load mode of existing flexibility loading device generally use includes：Hydraulic bag loads, flat jack flexibility loads,
Loaded between the loading of piston type flexibility uniform distributed pressure loader and load plate and sample plus after one layer of flexible rubber etc..It is but existing to add
Carry that to put generally existing specimen size small, it is difficult to the problem of carrying out large deformation experiment, and it is complicated, operability is not strong.
Utility model content
The purpose of this utility model is at least that providing a kind of Rock And Soil flexible boundary loading device and being filled comprising the loading
The pilot system put, by the flexible connection between rigid load plate, large deformation examination is carried out while flexible boundary loading is realized
Test, improve test accuracy.
In order to achieve the above objects and other related objects, it is soft to provide a kind of Rock And Soil for an embodiment of the utility model
Property border loading device, including pressue device and rigid load plate, rigid load plate include four pieces, respectively along regular hexahedron shape
Four side verticals set, adjacent two pieces of rigid load plates are mutually perpendicular to, and are linked together by flexible connecting member；Each
Rigid load plate includes front, the back side and two sides, and front is loading surface, and the back side is connected with pressue device；The rigidity
Load plate is installed on rail structure, and the rail structure includes bottom plate and four pairs of slides on bottom plate, is often parallel to each other
Two slides be a pair, correspond to one piece of rigid load plate respectively, rigid load plate bottom is installed on paired slide.
In one embodiment, flexible connecting member for spring or folds steel plate.
In one embodiment, between adjacent two pieces rigid load plates by two flexible connecting members respectively in rigid loading
The upper and lower part of plate is attached.
In one embodiment, the back side of every piece of rigid load plate is all connected with the pressurization dress of two arrangements symmetrical above and below
Put.
In one embodiment, pressue device is hydraulic cylinder.
In one embodiment, a kind of Rock And Soil pilot system of the utility model offer, including hydraulic station, Rock And Soil are soft
Property border loading device, data detection device and data handling system, the Rock And Soil flexible boundary loading device is foregoing
The Rock And Soil flexible boundary loading device of one embodiment, pressue device are the hydraulic oil being connected by hydraulic oil pipe with hydraulic station
Cylinder；The data detection device includes pressure sensor and displacement sensor, and pressure sensor is laid in adding for rigid load plate
On section, displacement sensor is arranged on the upper end of rigid load plate；Data handling system includes microcomputer and and microcomputer
The data collector of calculation machine connection, data collector are connected with pressure sensor and displacement sensor.
Above-mentioned technical proposal provided by the utility model, using each rigid load plate of flexible connecting member connection, both solves side
Boundary's power problem of non-uniform, and load plate stroke is increased, the Rock And Soil large deformation experiment under flexible boundary loading environment can be completed,
Improve model test precision；It is provided by the utility model flexibility loading device and pilot system also have it is easy to operate, cost is low,
The advantages that highly practical.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model Rock And Soil pilot system one embodiment；
Fig. 2 is the overlooking the structure diagram of the utility model Rock And Soil flexible boundary loading device one embodiment；
Fig. 3 is the top view cross section structure diagram of Rock And Soil flexible boundary loading device shown in Fig. 2；
Fig. 4 is the overlooking the structure diagram of the utility model rigidity load plate rail structure one embodiment.
Embodiment
Below in conjunction with the accompanying drawings, by taking specific embodiment as an example, the embodiment of the utility model is described in detail.
Fig. 1 shows one embodiment of the utility model Rock And Soil pilot system, which includes hydraulic station 1, soft
Property border loading device 2, data detection device 3 and data handling system 4.
Fig. 2 and 3 shows one embodiment of the utility model flexible boundary loading device, the flexible boundary loading device bag
Include pressue device 5, rigid load plate 6 and flexible connecting member 7.Rigid load plate 6 includes four pieces, respectively along regular hexahedron shape
Four side verticals are set, it will be appreciated by those skilled in the art that regular hexahedron shape and non-physical herein, but to limit
The Virtual Space shape of rigid 6 locus of load plate.Adjacent two pieces rigid load plates 6 are mutually perpendicular to, and pass through flexible connection
Part 7 links together.Spring or other connectors with energy-absorbing buffering effect can be selected in flexible connecting member 7, such as fold steel
Plate.Each rigidity load plate 6 includes front, the back side and two sides, and front is loading surface, i.e., with Rock And Soil sample contacts
Face, the back side are connected with pressue device 5, and pressue device 5 is, for example, hydraulic cylinder, is connected by hydraulic oil pipe with hydraulic station.At this
In embodiment, by two flexible connecting members 7 respectively on the top of rigid load plate 6 with between adjacent two pieces rigid load plates 6
Portion is attached, and the both ends of flexible connecting member 7 are attached to the back side or side of rigid load plate 6, and the schematic top plan view of Fig. 2 is shown
Go out superposed flexible connecting member 7, the top cross-sectional view of Fig. 3 shows the flexible connecting member 7 positioned at lower part.And at this
In embodiment, the back side of every piece of rigid load plate 6 is all connected with the pressue device 5 of two arrangements symmetrical above and below, the vertical view signal of Fig. 2
Superposed pressue device 5 is illustrated, the top cross-sectional view of Fig. 3 shows the pressue device 5 positioned at lower part.
Can be that rigid load plate 6 provides rail structure, Fig. 4 shows the one of the structure for convenience of the movement of rigid load plate 6
Kind embodiment.The rail structure includes bottom plate 10 and four pairs of slides 11 on bottom plate 10, two slides being often parallel to each other
111 and 112 be a pair, corresponds to one piece of rigid load plate 6 respectively, and rigid 6 bottom of load plate is connected on paired slide 11, by
Translated when being acted on to pressure along slide 11.
Data detection device 3 includes pressure sensor 8 and displacement sensor 9, and pressure sensor 8 is laid in rigid load plate
On 6 loading surface, displacement sensor 9 is arranged on the upper end of rigid load plate 6.
Data handling system 4 includes microcomputer and the data collector being connected with computer.Data collector connects
Pressure sensor 8 and displacement sensor 9, to gather the detection signal of pressure sensor 8 and displacement sensor 9.Example below
Property illustrates the operation principle of the utility model Rock And Soil pilot system.When being tested, four pieces of rigid load plates 6 surround positive six face
The Rock And Soil sample of body.For hydraulic station 1 to provide pressure source as the hydraulic cylinder of pressue device 5, hydraulic cylinder transmits pressure
To rigid load plate 6, flexible connecting member 7 is shunk along pressure action direction, to the mobile offer space of rigid load plate 6, rigidity
Load plate 6 is moved to Rock And Soil sample under pressure, is finally contacted with Rock And Soil sample outer surface, by pressure transmission to rock
Soil body sample.Pressure sensor 8 and displacement sensor 9 detect rigid load plate 6 and the pressure in Rock And Soil sample contacts face respectively
And the displacement of rigid load plate 6, the letter that collection, processing pressure sensor and displacement sensor obtain in real time of data handling system 4
Breath, information is stored and/or presented in the form of data.
In addition, can also as shown in Figure 1, between hydraulic station and data handling system establish connection, be used for transmission data and
Circuit control is carried out, by the work of computer control hydraulic station.For example, hydraulic station is determined by inspection information and laboratory test
Output power threshold value, based on the threshold setting system automatic protection, less than threshold value when works normally, higher than when liquid is automatically closed
Pressure station, is stopped.
Above-mentioned technical proposal provided by the utility model, using each rigid load plate of flexible connecting member connection, both solves side
Boundary's power problem of non-uniform, and increase load plate stroke, total kilometres are maximum up to 20cm, can complete under flexible boundary loading environment
Rock And Soil large deformation is tested.The hexahedron specimen size maximum that traditional loading device uses uses this reality also with regard to 15cm square
With new scheme, when carrying out drilling testing experiment, prototype test can be directly carried out, board size, rock are loaded by increasing
Soil body sample size can be completed, greatly than ruler Rock And Soil model test, to improve model test essence up to 80cm × 80cm × 80cm
Degree.In addition, flexibility loading device provided by the utility model and pilot system also have, easy to operate, cost is low, highly practical
The advantages that.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (6)
1. a kind of Rock And Soil flexible boundary loading device, including pressue device and rigid load plate, it is characterised in that：
Rigid load plate includes four pieces, is set respectively along four side verticals of regular hexahedron shape, adjacent two pieces of rigidity loading
Plate is mutually perpendicular to, and is linked together by flexible connecting member；
Each rigidity load plate includes front, the back side and two sides, and front is loading surface, and the back side is connected with pressue device；
The rigidity load plate is installed on rail structure, and the rail structure includes bottom plate and four pairs of cunnings on bottom plate
Rail, two slides being often parallel to each other are a pair, correspond to one piece of rigid load plate respectively, rigid load plate bottom is installed on paired
On slide.
2. Rock And Soil flexible boundary loading device as claimed in claim 1, it is characterised in that：
Flexible connecting member is spring or folds steel plate.
3. Rock And Soil flexible boundary loading device as claimed in claim 1 or 2, it is characterised in that：
Connected respectively in the upper and lower part of rigid load plate by two flexible connecting members between adjacent two pieces rigid load plates
Connect.
4. Rock And Soil flexible boundary loading device as claimed in claim 1, it is characterised in that：
The back side of every piece of rigid load plate is all connected with the pressue device of two arrangements symmetrical above and below.
5. the Rock And Soil flexible boundary loading device as described in claim 1 or 4, it is characterised in that：
Pressue device is hydraulic cylinder.
6. a kind of Rock And Soil pilot system, including hydraulic station, Rock And Soil flexible boundary loading device, data detection device and data
Processing system, it is characterised in that：
The Rock And Soil flexible boundary loading device is the Rock And Soil flexible boundary loading dress as described in claim 1-4 is any
Put, pressue device is the hydraulic cylinder being connected by hydraulic oil pipe with hydraulic station；
The data detection device includes pressure sensor and displacement sensor, and pressure sensor is laid in adding for rigid load plate
On section, displacement sensor is arranged on the upper end of rigid load plate；
Data handling system includes microcomputer and the data collector being connected with microcomputer, data collector and pressure
Sensor is connected with displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320880.6U CN207300752U (en) | 2017-10-13 | 2017-10-13 | Rock And Soil flexible boundary loading device and pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320880.6U CN207300752U (en) | 2017-10-13 | 2017-10-13 | Rock And Soil flexible boundary loading device and pilot system |
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| Publication Number | Publication Date |
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| CN207300752U true CN207300752U (en) | 2018-05-01 |
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| CN201721320880.6U Active CN207300752U (en) | 2017-10-13 | 2017-10-13 | Rock And Soil flexible boundary loading device and pilot system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752254A (en) * | 2019-01-29 | 2019-05-14 | 青岛理工大学 | Water leakage prevention device and method for movable rigid box plate in geotechnical true triaxial test |
| CN111398024A (en) * | 2020-04-20 | 2020-07-10 | 中山大学 | True triaxial rock seepage test loading device and test system |
-
2017
- 2017-10-13 CN CN201721320880.6U patent/CN207300752U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752254A (en) * | 2019-01-29 | 2019-05-14 | 青岛理工大学 | Water leakage prevention device and method for movable rigid box plate in geotechnical true triaxial test |
| CN109752254B (en) * | 2019-01-29 | 2024-04-26 | 青岛理工大学 | Device and method for preventing water leakage of movable rigid box plate in geotechnical true triaxial test |
| CN111398024A (en) * | 2020-04-20 | 2020-07-10 | 中山大学 | True triaxial rock seepage test loading device and test system |
| CN111398024B (en) * | 2020-04-20 | 2021-11-05 | 中山大学 | True triaxial rock seepage test loading device and test system |
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