CN208350526U - A kind of portable multi-function compression test of rock instrument for in-situ test - Google Patents
A kind of portable multi-function compression test of rock instrument for in-situ test Download PDFInfo
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- CN208350526U CN208350526U CN201820884161.5U CN201820884161U CN208350526U CN 208350526 U CN208350526 U CN 208350526U CN 201820884161 U CN201820884161 U CN 201820884161U CN 208350526 U CN208350526 U CN 208350526U
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Abstract
A kind of portable multi-function compression test of rock instrument for in-situ test, hydraulic jack is mounted on the top of support construction, pressure warehouse is located at the lower part of braced frame as absolute construction, pass through connection conversion head connection between the output end and pressure actuation axis of hydraulic jack, pressure actuation axis passes through the cylinder with insertion hole, cylinder with insertion hole is mounted on the top plate of pressure warehouse, the cylinder on the pressure actuation the tip of the axis setting steel of pressure warehouse, the bottom of pressure warehouse is equipped with cylinder under steel, it is test station between cylinder under cylinder and steel on steel, installation axle pressure sensor on cylinder under steel, the top plate of pressure warehouse is equipped with hydraulic tube, hydraulic tube is connected to chamber in Pressure chamber room, confining pressure sensor is disposed at hydraulic tube.The utility model is simply portable, is easy to use, multiple functional, not only can be carried out axial pressure to test test specimen, but also be able to achieve confining pressure pressurization.
Description
Technical field
The utility model relates to can add the dress of confining pressure and axial pressure to rock sample in field and engineering site realization
It sets, especially a kind of portable multi-function compression test of rock instrument that can be used for in-situ test.
Background technique
The uniaxial compressive strength and triaxial shear strength of rock are to the Engineering classification of rock mass and obtain rock strength parameter and have
Important role, and the cohesive force of rock and the parameter of internal friction angle can be obtained by serial triaxial test data processing,
This supporting of mine and large-scale rock mass engineering project and encloses large-scale rock mass engineering project, especially Rock Slope Stability Analysis
Rock stability analysis has important reference role.
Current rock triaxial shear strength tests the test specimen that can only be carried out indoors using large-scale instrument, and be tested
Difficult processing is cumbersome, keeps experimentation cost high and troublesome in poeration, and it is required to obtain to carry out quick in-situ test
Rock engineering parameter be current engineering status.And the dimensional effect of our research and utilization rocks, small specimen core is utilized
Portable tester carries out uniaxial and triaxial test to core, not only can be with save the cost, but also can obtain live rock rapidly
Intensity reference value.This plays an important role to project planning.
Classical triaxial compression test is completed so far from Italian Feng Kamen in 1911, and triaxial test is still can only
The test of large-scale instrument is carried out indoors, and big Kubo city Jie of Tokyo Univ Japan in 2002 has developed miniaturization visually
The pressure warehouse of triaxial compression test can be carried out, but the test is needed to take in the digital control type examination of 500kN and be carried out on testing machine.
Summary of the invention
In order to overcome the shortcomings of that existing rock triaxial shear strength test can only be carried out indoors using large-scale instrument, this reality
A kind of portable multi-function compression test of rock instrument is provided with novel, which can be to the column of diameter 2-3cm height 4-6cm
Shape core carries out uniaxial compression test and triaxial shear strength test.Test specimen utilizes miniaturization sampling instrument in testing ground
It obtains, and field test is carried out by portable multi-function compression test of rock instrument.And it can use cell phone software to be remembered
The uniaxial compressive strength of record analysis rock, the cohesive strength of rock and the reference value of internal friction angle, and imitated using the size of rock
The engineering reference value of rock and rock mass should be analyzed.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of portable multi-function compression test of rock instrument for in-situ test, the tester include test host,
The test host includes braced frame, hydraulic jack, pressure warehouse, pressure actuation axis, the cylinder with insertion hole and company
Conversion head is connect, the hydraulic jack is mounted on the top of the support construction, and the pressure warehouse is located at as absolute construction
The lower part of the braced frame is connected between the output end and pressure actuation axis of the hydraulic jack by connection conversion head,
The pressure actuation axis passes through the cylinder in band insertion hole, and the cylinder in band insertion hole is mounted on the top plate of pressure warehouse
On, the cylinder on the pressure actuation the tip of the axis setting steel of the pressure warehouse, the bottom of the pressure warehouse is equipped with steel
Lower cylinder is made, under cylinder and the steel between cylinder is test station on the steel, installation axle on cylinder under the steel
The top plate of pressure sensor, the pressure warehouse is equipped with hydraulic tube, and the hydraulic tube is connected to chamber in Pressure chamber room, described hydraulic
Confining pressure sensor is disposed at pipe.
Further, the pressure warehouse includes pressure warehouse pedestal, acrylic glass cylinder and Pressure chamber ceiling plate, by steel
Pedestal processed is connect with pressure warehouse pedestal with coupling bar, and cylinder is located on the steel pedestal under the steel, the propylene glass
Glass bottom of cylinder is fixedly connected with pressure warehouse pedestal, the top of the acrylic glass cylinder and the fixed company of Pressure chamber ceiling plate
It connects.
The confining pressure sensor is connect with external oil pressure gauge, and the axis pressure sensor is connect with liquid crystal display apparatus.
The tester further includes control pressurer system, the control pressurer system include manual hydraulic oil pump, accumulator,
Overflow valve, switching valve, shut-off valve and check valve, the fuel tank connect overflow valve, and the fuel tank is connect with Unidirectional manual pressure pump,
The import of the Unidirectional manual pressure pump and two position three way directional control valve connects, the first outlet of the two position three way directional control valve and thousand
The oil pressure mouth connection on jin top, the second outlet of the jack are connect with the oil pressure mouth of pressure warehouse, the oil of the pressure warehouse
Pressure mouth is successively connect with check valve, shut-off valve and accumulator simultaneously, and the oil return opening of the jack connects fuel tank, the Pressure chamber
The oil return opening of room connects fuel tank by shut-off valve.
The support construction includes that lower base, upper plate and four column loads load pillar, the pressure warehouse are placed on
On the groove of the lower base, the lower end of the column is fixed on lower base, and the upper end of the column and upper plate pass through lock
Tight nut connection, the hydraulic jack are fixed on the upper plate.
The support construction further includes intermediate transverse slat, is fixedly connected in the middle part of the intermediate transverse slat and the column, described
The top plate of pressure warehouse is fixed on the intermediate transverse slat.
The technical concept of the utility model are as follows: portable multi-function compression test of rock instrument is using the Pressure chamber minimized
Room, and stable confined pressure steady value is provided for pressure warehouse using external pressure circuit, it keeps enclosing during axis is pressed and applied
Press stability.And measurement parameter is recorded using electronic system, it is not required to record, locally produces parameter associated picture.For field test
Reliable test instrument is provided.
The placement of the destructive process and test specimen that test test specimen can be observed using visual pressure warehouse, miniaturization
Pressure warehouse be can with the basis of field test, and can be provided for small-sized warehouse stable confining pressure and keep Pressure chamber pressure be
Important technological innovation.The breakdown strength value using axis pressure sensor measurement test specimen, measures pressure using confining pressure sensor
The confining pressure value of warehouse simultaneously stops pressurization after confining pressure capable of being made to reach designated value, and sets the pressure maintaining value of accumulator, keeps the steady of confining pressure
It is fixed.External hydraulic system is made up of overflow valve, switching valve, check valve, shut-off valve and the fuel tank with oil pressure pump, system
Default value utilizes PLC progress system control by sensor information to set the switch of valve.
The beneficial effects of the utility model are mainly manifested in: this tester has simple portable, is easy to use, multiple functional
The advantages of.This experimental provision not only can be carried out axial pressure to test test specimen, but also be able to achieve the function of confining pressure pressurization.It is primarily implemented in
The big function of triaxial shear strength two of the uniaxial compressive strength of engineering in-site detecting core and the core with structural plane.
Detailed description of the invention
Fig. 1 is the front view of the portable multi-function compression test of rock instrument for in-situ test.
Fig. 2 is the top view of the portable multi-function compression test of rock instrument for in-situ test.
Fig. 3 is the complex chart of the portable multi-function compression test of rock instrument for in-situ test.
Fig. 4 is the portable multi-function compression test of rock instrument for in-situ test by external oil hydraulic system figure.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Referring to Fig.1~Fig. 4, a kind of portable multi-function compression test of rock instrument for in-situ test, including test master
Machine, control pressurer system and sensing measurement system, the test host include lower base (1), column (2), upper plate (3) and
Pressure warehouse is placed on lower base groove (4) by locking nut (20), increases stability, pressure warehouse is by pressure warehouse
Pedestal (5) acrylic glass cylinder (6) and Pressure chamber ceiling plate (7) composition.Steel pedestal (8) and pressure warehouse pedestal (5) are used
Finished core is put into pressure warehouse, is placed on lower part steel cylinder (10) by coupling bar (9) connection, when test,
Installation axle pressure sensor (11) on lower part steel cylinder (10) measures axial compressive force.Using transmission shaft (12) by hydraulic jack
The axis pressure that top (13) applies is transmitted to core test specimen, and under conditions of only applying axis pressure, rock sample failing load can reflect rock
The uniaxial compressive strength of stone.Transmission shaft passes through band insertion hole cylinder (14) and connect with pressure warehouse, and using in Pressure chamber ceiling
The hydraulic tube (15) of plate (7) applies confining pressure to oil pressure pressure warehouse, under conditions of given confining pressure, measures the rock containing structural plane
Axis pressure and confining pressure when core test specimen destroys, and dispose confining pressure sensor (16) at oil pressure pipe and be shown in external oil pressure gauge (17)
On.The internal friction angle and cohesive strength of rock are obtained after a series of experiments.
It is connect with transmission shaft (12) junction by connection conversion head (19) in hydraulic jack (13).
Intermediate transverse slat (21) is while fixation pressure warehouse and can to pass through biography in test to allow axis pressure load to stablize
Stability between moving axis.
Hydraulic jack oil pressure mouth (18) connect with Unidirectional manual pressure pump (22) with the hydraulic tube (15) of pressure warehouse and mentions
For axis pressure and confining pressure.Control pressurer system include fuel tank (23), Unidirectional manual pressure pump (22), two position three way directional control valve (24),
Overflow valve (25), check valve (26), shut-off valve (27) and accumulator (28), the fuel tank connect overflow valve, the fuel tank and list
It is connected to hand-operating pressure pump, the import connection of the Unidirectional manual pressure pump and two position three way directional control valve, the two-position three way changes
The oil pressure mouth of first outlet and jack to valve connects, and the second outlet of the jack and the oil pressure mouth of pressure warehouse connect
It connects, the oil pressure mouth of the pressure warehouse is successively connect with check valve, shut-off valve and accumulator simultaneously, the oil return opening of the jack
Fuel tank is connected, the oil return opening of the pressure warehouse connects fuel tank by shut-off valve.Control pressurer system provides oil sources by fuel tank, oil
Case (23) is directly connected with Unidirectional manual pressure pump (22), first provides confining pressure to pressure warehouse, stands rock block in steel circle
On column (10), recycles two position three way directional control valve (24) that the work of oil pressure pump jack is made to provide axis pressure, utilize in the process
Accumulator (28) guarantees that pressure warehouse oil pressure is stablized.Realize the confining pressure and axis pressure load of triaxial test.
Axis pressure sensor (11) is connect with steel cylinder (10), is to test the axis that test specimen is subject to press the accurate transmission to display
Device.
Confining pressure sensor (16) is connected with oil pressure warehouse top plate (7), can feedback confining pressure value promptly and accurately to oil pressure gauge
(17)。
Countryside portable multifunctional rock compressing tester is by test host, control pressurer system and sensing measurement system three
Most of composition.In field environment, we obtain diameter 2-3cm height 4-6cm base first with the sampling instrument of miniaturization
This meets the target test specimen of ratio of height to diameter 2:1.After scabble polishing post-processing to the core of acquisition, with transparent heat-shrink tube by test specimen
It is fixed on steel cylinder (10), is then integrally put into pressure warehouse by base under braced frame, and be placed in underlay
On seat groove, prepare before completing test.If measuring the uniaxial compressive strength value of rock, pumped in fuel tank using oil pressure pump (22)
Clean oil so that jack is applied axial compressive force to test specimen, pressure is applied on steel cylinder by transmission shaft, until core is broken
Bad, axis pressure sensor (11) records the uniaxial compressive strength value of rock by display.If measurement has the sillar of structural plane to try
When part, the same mode for obtaining test specimen after core is fixed on steel cylinder (10), will fill oil in Pressure chamber room
Afterwards, confining pressure is applied to test specimen using oil pressure pump (22), reaches mesh using confining pressure sensor (16) and confining pressure oil pressure gauge (17) confining pressure
It after scale value, rotates reversal valve (24), axis pressure is applied to test specimen using oil pressure pump (22) and jack (13), while utilizing accumulator
Guarantee that Pressure chamber chamber pressure force value is stablized, until test specimen destroys, pressure value transmitting display is recorded rock by sensor over the display
Confining pressure value and axial compressive force value when destruction.When continuing lower battery of tests, using connection conversion head (19), first by pressure warehouse
It is disconnected with accumulator and carries out confining pressure off-load, then the screw thread in rotation connection conversion head (19) will be made into itself and top jack (13)
Stroke pressure head be detached from, will connection conversion head (19) and the whole pushing of transmission shaft (12), it is then that pressure warehouse is recessed from lower base
It is proposed in slot (4), then connection is converted into head (19), transmission shaft (12), the test specimen and transparent heat-shrink tube and lower part steel destroyed
Cylinder (10) integrally extracts, and repeats above step and carries out lower battery of tests.
Claims (6)
1. a kind of portable multi-function compression test of rock instrument for in-situ test, which is characterized in that the tester includes
Host is tested, the test host includes support construction, hydraulic jack, pressure warehouse, pressure actuation axis, the circle with insertion hole
Cylinder and connection conversion head, the hydraulic jack are mounted on the top of the support construction, and the pressure warehouse is as independent
Structure is located at the lower part of the support construction, passes through connection conversion between the output end and pressure actuation axis of the hydraulic jack
Head connection, the pressure actuation axis pass through the cylinder in band insertion hole, and the cylinder in band insertion hole is mounted on pressure warehouse
Top plate on, positioned at the pressure warehouse pressure actuation the tip of the axis setting steel on cylinder, the bottom of the pressure warehouse
It is test station between cylinder under cylinder and the steel on the steel, under the steel on cylinder equipped with cylinder under steel
The top plate of installation axle pressure sensor, the pressure warehouse is equipped with hydraulic tube, and the hydraulic tube is connected to chamber in Pressure chamber room, institute
State placement confining pressure sensor at hydraulic tube.
2. being used for the portable multi-function compression test of rock instrument of in-situ test as described in claim 1, which is characterized in that institute
Stating pressure warehouse includes pressure warehouse pedestal, acrylic glass cylinder and Pressure chamber ceiling plate, by steel pedestal and pressure warehouse bottom
Seat is connected with coupling bar, and cylinder is located on the steel pedestal under the steel, the acrylic glass bottom of cylinder and Pressure chamber
Room pedestal is fixedly connected, and the top of the acrylic glass cylinder is fixedly connected with Pressure chamber ceiling plate.
3. being used for the portable multi-function compression test of rock instrument of in-situ test as claimed in claim 1 or 2, feature exists
In the confining pressure sensor is connect with external oil pressure gauge, and the axis pressure sensor is connect with liquid crystal display apparatus.
4. being used for the portable multi-function compression test of rock instrument of in-situ test as claimed in claim 1 or 2, feature exists
In the tester further includes control pressurer system, and the control pressurer system includes manual hydraulic oil pump, accumulator, overflow
Valve, switching valve, shut-off valve and check valve, fuel tank connect overflow valve, and the fuel tank is connect with Unidirectional manual pressure pump, described unidirectional
The import of hand-operating pressure pump and two position three way directional control valve connects, the first outlet of the two position three way directional control valve and the oil of jack
Mouth connection is pressed, the second outlet of the jack is connect with the oil pressure mouth of pressure warehouse, and the oil pressure mouth of the pressure warehouse is simultaneously
It is successively connect with check valve, shut-off valve and accumulator, the oil return opening of the jack connects fuel tank, the oil return of the pressure warehouse
Mouth connects fuel tank by shut-off valve.
5. being used for the portable multi-function compression test of rock instrument of in-situ test as claimed in claim 1 or 2, feature exists
In, the support construction include lower base, upper plate and four column loads load pillar, the pressure warehouse be placed on it is described under
On the groove of base, the lower end of the column is fixed on lower base, and the upper end of the column and upper plate pass through locking nut
Connection, the hydraulic jack are fixed on the upper plate.
6. being used for the portable multi-function compression test of rock instrument of in-situ test as claimed in claim 5, which is characterized in that institute
Stating support construction further includes intermediate transverse slat, is fixedly connected in the middle part of the intermediate transverse slat and the column, the pressure warehouse
Top plate is fixed on the intermediate transverse slat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820884161.5U CN208350526U (en) | 2018-06-08 | 2018-06-08 | A kind of portable multi-function compression test of rock instrument for in-situ test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820884161.5U CN208350526U (en) | 2018-06-08 | 2018-06-08 | A kind of portable multi-function compression test of rock instrument for in-situ test |
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| Publication Number | Publication Date |
|---|---|
| CN208350526U true CN208350526U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820884161.5U Expired - Fee Related CN208350526U (en) | 2018-06-08 | 2018-06-08 | A kind of portable multi-function compression test of rock instrument for in-situ test |
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| CN (1) | CN208350526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548727A (en) * | 2018-06-08 | 2018-09-18 | 绍兴文理学院 | A kind of portable multi-function compression test of rock instrument for in-situ test |
-
2018
- 2018-06-08 CN CN201820884161.5U patent/CN208350526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548727A (en) * | 2018-06-08 | 2018-09-18 | 绍兴文理学院 | A kind of portable multi-function compression test of rock instrument for in-situ test |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |