CN205861524U - A kind of rock expansion assay device - Google Patents

A kind of rock expansion assay device Download PDF

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Publication number
CN205861524U
CN205861524U CN201620840732.6U CN201620840732U CN205861524U CN 205861524 U CN205861524 U CN 205861524U CN 201620840732 U CN201620840732 U CN 201620840732U CN 205861524 U CN205861524 U CN 205861524U
Authority
CN
China
Prior art keywords
rock
disposed
water
transmission mechanism
force transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620840732.6U
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Chinese (zh)
Inventor
顾东东
郭伟耀
谭云亮
胡善超
于凤海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University of Science and Technology
Original Assignee
Shandong University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University of Science and Technology filed Critical Shandong University of Science and Technology
Priority to CN201620840732.6U priority Critical patent/CN205861524U/en
Application granted granted Critical
Publication of CN205861524U publication Critical patent/CN205861524U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rock expansion assay device, it includes cover body, wherein, the top board of cover body is disposed with a top force transmission mechanism, and cover body lower disposed has a bottom tray, and bottom tray is disposed with the mechanism for testing for rock expansion test.Use single mechanism for testing, after rock sample is placed, water is imported in mechanism for testing, may be used for the measurement of rock sample expansive force, expansion rate and water absorption rate multiple rock expansion index, and device is placed on rock test rig the every rock expansion index can measured under different axial compression, such that it is able to gather the many kinds of parameters of rock.

Description

A kind of rock expansion assay device
Technical field
This utility model relates to rock expansion field, particularly relates to a kind of rock expansion assay device.
Background technology
Rock can occur a series of physical and chemical reaction meeting after water effect, it can cause rock volumetric expansion and The change of mechanical property.Defined in engineering under the physics chemical action of water development in time be easily generated volume increase, broken It is expansive rock with the rocks decomposed.Expansive rock has relatively strong dilatancy energy, when rock mass is disturbed, when particularly meeting water, Often there is great variety in character, produces volumetric expansion, structures is produced the huge bulbs of pressure, has a strong impact on stablizing of engineering Property, geological disaster can be caused.Rock expansion is carried out the important process that experimental test is Geotechnical Engineering field.Rock is swollen The test of swollen property mainly includes swelling rate test and expansive force test, and swelling rate test is to measure expansive rock to meet axial deformation after water Expansion rate, expansive force test is to measure expansive rock to meet the axial expansion power that deformation tendency is restrained after water.
At present, prior art many employings amesdial measures the axial deflection after expansive rock meets water, and amesdial uses artificial The measuring method of reading, not only precision is poor, mistake easily occurs, and there is also one between soaking time and last reading Individual nonsynchronous problem, it is impossible to realize the real-time synchronization measurement of dilatancy and pin-point reading.Meanwhile, existing equipment generally cannot Rock expansion power, rock expansion rate and the composite measurement of rock water absorption rate indices different axial compression under the conditions of is fully achieved, The loading of rock sample axial compression generally uses leading screw to carry out manual loading, it is difficult to ensure loading accuracy.
Therefore, prior art needs further improvement and develops.
Utility model content
In view of above-mentioned the deficiencies in the prior art, a kind of rock expansion assay device that this utility model provides, to measure not Coaxial pressure rock expansion power, rock expansion rate and rock water absorption rate indices.
For solving above-mentioned technical problem, this utility model scheme includes:
A kind of rock expansion assay device, it includes cover body, wherein, the top board of cover body is disposed with a top power transmission machine Structure, cover body lower disposed has a bottom tray, and bottom tray is disposed with the mechanism for testing for rock expansion test.
Described rock expansion assay device, wherein, above-mentioned mechanism for testing includes the water storage cover being arranged on base plate pallet, Being disposed with bottom force transmission mechanism in water storage cover, the upper end of bottom force transmission mechanism is inserted in water storage cover, cloth above the force transmission mechanism of bottom Being equipped with metal fixed cover, be disposed with lower porous metals backing plate in metal fixed cover, lower porous metals backing plate is arranged above rock Test specimen, rock sample is arranged above porous metals backing plate, upper porous metals backing plate is disposed with cover plate box, and cover plate box is with upper Porous metals backing plate is connected, and cover plate box is connected with top force transmission mechanism by a load transducer, and cover plate box side is arranged Having a displacement transmission plate, the side of cover body is provided with a displacement transducer, and displacement transducer lower end contacts with displacement transmission plate.
Described rock expansion assay device, wherein, above-mentioned mechanism for testing also include control water unit, control water unit include into Water pipe, a water inlet pipe part is connected along bottom force transmission mechanism with lower porous metals backing plate, and another part is connected with water storage cover, Water inlet pipe and a water level detecting pipe are connected, and water level detecting pipe is arranged along water storage cover outside upright;Control water it is provided with on water inlet pipe Valve.
Described rock expansion assay device, wherein, above-mentioned top board is all disposed with multiple arc-shaped limit hole, top power transmission Mechanism and corresponding position, arc-shaped limit hole are disposed with caging bolt, and caging bolt can slide in arc-shaped limit hole.
Described rock expansion assay device, wherein, above-mentioned arc-shaped limit hole includes arc-shaped limit portion and through-hole section, arc Limiting section is connected with through-hole section, and when caging bolt is positioned at arc-shaped limit portion, top force transmission mechanism is in spacing state, spacing spiral shell When bolt is positioned at through-hole section, top force transmission mechanism is in free state.
A kind of rock expansion assay device that this utility model provides, uses single mechanism for testing, is put by rock sample Postpone, in mechanism for testing, import water, the most again top force transmission mechanism is unclamped, may be used for rock sample expansive force, expansion Rate and the measurement of water absorption rate multiple rock expansion index, and device is placed on rock test rig can measure under different axial compression Every rock expansion index, such that it is able to gather the many kinds of parameters of rock.
Accompanying drawing explanation
Fig. 1 is the structural representation of rock expansion assay device in this utility model;
Fig. 2 is the structural representation of water storage cover in this utility model;
Fig. 3 is the structural representation of top board in this utility model.
Detailed description of the invention
This utility model provides a kind of rock expansion assay device, for make the purpose of this utility model, technical scheme and Effect is clearer, clear and definite, further describes this utility model below.Should be appreciated that concrete reality described herein Execute example only in order to explain this utility model, be not used to limit this utility model.
This utility model provides a kind of rock expansion assay device, and as shown in Figure 1, Figure 2 with shown in Fig. 3, it includes cover body 1, wherein, the top board 16 of cover body 1 is disposed with a top force transmission mechanism 2, cover body 1 lower disposed has a bottom tray 10, bottom The mechanism for testing for rock expansion test it is disposed with on pallet 10.
In another preferred embodiment of the present utility model, as shown in Figures 1 and 2, above-mentioned mechanism for testing includes arranging Water storage cover 17 on base plate pallet 10, is disposed with bottom force transmission mechanism 9 in water storage cover 17, the upper end of bottom force transmission mechanism 9 is inserted Enter in water storage cover 17, as shown in Figures 1 and 2, refer to that the force-transmitting pole 18 of bottom force transmission mechanism 9 stretches in water storage cover 17, bottom Force transmission mechanism 9 is arranged above metal fixed cover 8, is disposed with lower porous metals backing plate 19, lower porous metals in metal fixed cover 8 Backing plate 19 is arranged above rock sample 7, and rock sample 7 is arranged above porous metals backing plate 6, upper porous metals backing plate 6 On be disposed with cover plate box 5, cover plate box 5 is connected with upper porous metals backing plate 6, and cover plate box 5 is by load transducer 3 and a top Force transmission mechanism 2 is connected, and cover plate box 5 side is disposed with a displacement transmission plate 12, and the side of cover body 1 is provided with a displacement transducer 4, displacement transducer 4 lower end contacts with displacement transmission plate 12.
Further, above-mentioned mechanism for testing also includes controlling water unit, and control water unit includes water inlet pipe 20, water inlet pipe 20 1 Part is connected along bottom force transmission mechanism 9 with lower porous metals backing plate 19, and another part is connected with water storage cover 17, water inlet pipe 20 Being connected with a water level detecting pipe 13, water level detecting pipe 13 is arranged along water storage cover 17 outside upright;It is provided with control on water inlet pipe 20 Water valve 14.
Further, as shown in Figure 3, above-mentioned top board 16 is all disposed with multiple arc-shaped limit hole, top force transmission mechanism 2 Being disposed with caging bolt 11 with corresponding position, arc-shaped limit hole, caging bolt 11 can slide in arc-shaped limit hole.And above-mentioned arc Shape spacing hole includes arc-shaped limit portion 15 and through-hole section 21, and arc-shaped limit portion 15 is connected with through-hole section 21, caging bolt 11 When arc-shaped limit portion 15, top force transmission mechanism 2 is in spacing state, when caging bolt 11 is positioned at through-hole section 21, and top power transmission Mechanism 2 is in free state, say, that top force transmission mechanism 2 can disassemble.
In order to this utility model is described in further detail, its concrete running is as follows:
Utilize heat-shrink tube that upper porous metals backing plate 6, lower porous metals backing plate 19 are fixed on the both ends of the surface of rock sample 7, And be positioned on the force-transmitting pole 18 of bottom force transmission mechanism 9, cover plate box 5 is placed on top, by metal collar 8 by force-transmitting pole 18, rock Test specimen 7 and cover plate box 5 are fixed, and are placed on rock test rig after allowing, and utilize testing machine to raise bottom tray 10, make Cover plate box 5 contacts with load transducer 3, carries out water filling by the water inlet pipe 20 of control water unit, utilizes water level monitoring pipe 13 to see Survey water level, close water control valve 14 when water level reaches calibration position and stop water filling, owing to rock sample 7 absorbs water, water level can be passed through Monitoring pipe 13 observed stage change, and it is calculated the water absorption rate of rock sample 7, passed by top force transmission mechanism 2 and bottom Force mechanisms 9 limits in the case of rock sample 7 produces axial displacement, and load transducer 3 is swollen by measure that rock sample 7 produces Expansive force.Changing position in arc-shaped limit hole by connecting bolt 11, top force transmission mechanism 2 is in free state, it is also possible to will Top force transmission mechanism 2 takes out, and is being not intended in the case of rock sample 7 produces axial displacement, cover plate box 5 is moving, can pass through The expansion rate of rock sample 7 measured by displacement transducer 4.This device can be applied different loads by regulation rock test rig, Realize every rock expansion index of rock sample 7 under the conditions of different loads.
Certainly, described above being only preferred embodiment of the present utility model, this utility model is not limited to enumerate above-mentioned Embodiment, it should be noted that any those of ordinary skill in the art are under the teaching of this specification, and that is made is all etc. With replacement, obvious variant, within all falling within the essential scope of this specification, ought to be by protection of the present utility model.

Claims (5)

1. a rock expansion assay device, it includes cover body, it is characterised in that be disposed with a top power transmission on the top board of cover body Mechanism, cover body lower disposed has a bottom tray, and bottom tray is disposed with the mechanism for testing for rock expansion test.
Rock expansion assay device the most according to claim 1, it is characterised in that above-mentioned mechanism for testing includes being arranged on the end Water storage cover on sheet tray, is disposed with bottom force transmission mechanism in water storage cover, the upper end of bottom force transmission mechanism is inserted in water storage cover, under Portion's force transmission mechanism is arranged above metal fixed cover, is disposed with lower porous metals backing plate, lower porous metal pad in metal fixed cover Plate is arranged above rock sample, and rock sample is arranged above porous metals backing plate, and upper porous metals backing plate is disposed with Cover plate box, cover plate box is connected with upper porous metals backing plate, and cover plate box is connected with top force transmission mechanism by a load transducer Connecing, cover plate box side is disposed with a displacement transmission plate, and the side of cover body is provided with a displacement transducer, displacement transducer lower end with Displacement transmission plate contacts.
Rock expansion assay device the most according to claim 2, it is characterised in that above-mentioned mechanism for testing also includes controlling water list Unit, control water unit includes that water inlet pipe, a water inlet pipe part are connected along bottom force transmission mechanism with lower porous metals backing plate, another portion Dividing and be connected with water storage cover, water inlet pipe and a water level detecting pipe are connected, and water level detecting pipe is arranged along water storage cover outside upright;Enter Water control valve it is provided with on water pipe.
Rock expansion assay device the most according to claim 1, it is characterised in that be all disposed with multiple arc on above-mentioned top board Shape spacing hole, top force transmission mechanism and corresponding position, arc-shaped limit hole are disposed with caging bolt, and caging bolt can be in arc-shaped limit hole Interior slip.
Rock expansion assay device the most according to claim 4, it is characterised in that above-mentioned arc-shaped limit hole includes that arc limits Position portion and through-hole section, arc-shaped limit portion is connected with through-hole section, when caging bolt is positioned at arc-shaped limit portion, at the force transmission mechanism of top In spacing state, when caging bolt is positioned at through-hole section, top force transmission mechanism is in free state.
CN201620840732.6U 2016-08-04 2016-08-04 A kind of rock expansion assay device Expired - Fee Related CN205861524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620840732.6U CN205861524U (en) 2016-08-04 2016-08-04 A kind of rock expansion assay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620840732.6U CN205861524U (en) 2016-08-04 2016-08-04 A kind of rock expansion assay device

Publications (1)

Publication Number Publication Date
CN205861524U true CN205861524U (en) 2017-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620840732.6U Expired - Fee Related CN205861524U (en) 2016-08-04 2016-08-04 A kind of rock expansion assay device

Country Status (1)

Country Link
CN (1) CN205861524U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106018266A (en) * 2016-08-04 2016-10-12 山东科技大学 Rock expansion test device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106018266A (en) * 2016-08-04 2016-10-12 山东科技大学 Rock expansion test device
CN106018266B (en) * 2016-08-04 2019-02-05 山东科技大学 A kind of rock expansion experimental rig

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170104

Termination date: 20180804

CF01 Termination of patent right due to non-payment of annual fee