CN208672459U - A kind of rock-soil triaxial tests confining pressure power, counterpressure means - Google Patents
A kind of rock-soil triaxial tests confining pressure power, counterpressure means Download PDFInfo
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- CN208672459U CN208672459U CN201821334616.2U CN201821334616U CN208672459U CN 208672459 U CN208672459 U CN 208672459U CN 201821334616 U CN201821334616 U CN 201821334616U CN 208672459 U CN208672459 U CN 208672459U
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- Prior art keywords
- rock
- placement plate
- pressure power
- confining pressure
- triaxial tests
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Abstract
The utility model discloses a kind of rock-soil triaxial tests confining pressure power, counterpressure means, its structure includes driver, valve, pressurized tank, fixing leg, machine box, workbench, pressure lifting bar, pressure difference sensing connector, counterweight placement plate, connector, a kind of rock-soil triaxial tests confining pressure power of the utility model, counterpressure means, equipped with fixing leg, it is bonded first by bottom fixed board with ground, fixing piece is cooperated to be fixedly connected through fixation hole by what is be equipped at left and right sides of bottom fixed board, then steady brace rotation is cooperated by the bearer ring being equipped at left and right sides of support plate, steady brace is rotated to side so that flexible room is flexible face-down, flexible chamber interior is connect with telescopic rod, telescopic rod can be pulled to be bonded with bottom surface by personnel, the both ends of stabilizer blade are supported stabilization again, to improve the stability of strutting system of equipment , prevent equipment test numerical value from being influenced.
Description
Technical field
The utility model is a kind of rock-soil triaxial tests confining pressure power, counterpressure means, is belonged in earthwork triaxial apparatus using liquid
Pressurized equipment field.
Background technique
Triaxial test is carried out to ground sample using liquid pressurized equipment in earthwork triaxial apparatus, first counter-pressure is carried out to sample
Saturation, in this process, it is desirable that anti-pressure is consistently less than confining pressure power.
Prior art discloses application No. is a kind of rock-soil triaxial tests confining pressures using hydraulic pressurization of CN87206481
Power, counterpressure means, confining pressure Force system include electronic pressure cylinder and counterweight pressure gauge, and back-pressure Force system includes electronic pressure cylinder
And pressure sensor, a differential pressure pickup is connected between the oil pressure output pipe of two systems.Present apparatus structure is simple, generates
Pressure is high, and the amplitude of accommodation is big, realizes that counter-pressure automatically tracks confining pressure power, applies confining pressure power and stablizes, is particularly suitable for triaxial test
The longer consolidation draining shearing test of process, but disadvantage is that device bottom stability is poor, in equipment pressurization
It is easy to rock, certain influence is generated to the numerical value of test.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of rock-soil triaxial tests confining pressure power, anti-
Pressure apparatus, it is poor to solve device bottom stability, it is easy to rock in equipment pressurization, the numerical value of test is generated centainly
The problem of influence.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of three axis of ground tries
Confining pressure power, counterpressure means are tested, structure includes driver, valve, pressurized tank, fixing leg, machine box, workbench, pressure liter
Bar, pressure difference sensing connector, counterweight placement plate, connector drop, and the driver bottom is fixedly connected with counterweight placement plate top surface
Gap, the valve top part center and pressure difference sensing connector is not present outside connection, the valve bottom in center, two junctions
Wall is flexibly connected with pressurized tank top exterior walls using interference fit type, and pressurized tank bottom end outer wall is fixedly connected at the top of machine box
Center, machine cassette bottom end quadrangle are separately connected fixing leg, and the fixing leg is equipped with 4 altogether, each is parallel to each other to be in
In same level, runs through at the top of the pressure lifting bar with the counterweight placement plate left and right sides and be fixedly connected, the pressure lifting
There are two bar is set altogether, counterweight placement plate two sides of the bottom are separately connected, the two is at a distance of counterweight placement plate two sides;The fixing leg by
Support plate stablizes pasting board, flexible room, through fixation hole, bottom fixed board, telescopic rod, steady brace, bearer ring composition, described
Support plate bottom is fixedly connected with bottom fixed board top middle portion, it is described set altogether through fixation hole there are two, and the two is parallel to each other,
It is respectively provided at left and right sides of bottom fixed board, telescopic rod side outer wall is arranged with flexible room side inner walls and connect, described to stretch
Contracting ceiling portion is fixedly connected with steady brace, is flexibly connected with bearer ring outer wall using slotted mode at the top of the steady brace,
It is fixedly connected at left and right sides of the bearer ring side and support plate.
Further, the driver two sides of the bottom are screwed with connector bottom outer wall connect.
Further, the connector bottom end screws connection actuator and convex portion is run through with counterweight placement plate center of top
Connection.
Further, the driver bottom junctions occupy a quarter of counterweight placement plate topside area.
Further, the machine box top surface is separately connected pressurized tank, pressure lifting bar.
Further, the two sides of the connection of pressure lifting bar upper and lower side the counterweight placement plate and counterweight placement plate.
Beneficial effect
A kind of rock-soil triaxial tests confining pressure power of the utility model, counterpressure means are equipped with fixing leg, pass through bottom first
Fixed plate is bonded with ground, cooperates fixing piece that company is fixed through fixation hole by what is be equipped at left and right sides of bottom fixed board
It connects, steady brace rotation is then cooperated by the bearer ring being equipped at left and right sides of support plate, steady brace is made to side rotation
Must stretching, room is flexible down, and flexible chamber interior is connect with telescopic rod, telescopic rod can be pulled to be bonded with bottom surface by personnel, will propped up
The both ends of foot are supported stabilization again, to improve the stability of strutting system of equipment, prevent equipment test numerical value from being influenced.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of a kind of rock-soil triaxial tests confining pressure power of the utility model, counterpressure means;
Fig. 2 is the fixing leg the schematic diagram of the section structure of the utility model.
In figure: driver -1, pressurized tank -3, fixing leg -4, support plate -401, stablizes pasting board -402, is flexible valve -2
Fixation hole -404, bottom fixed board -405, telescopic rod -406, steady brace -407, bearer ring -408, machine box-are run through in room -403
5, workbench -6, pressure lifting bar -7, pressure difference sensing connector -8, counterweight placement plate -9, connector -10.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-Fig. 2 is please referred to, the utility model provides a kind of technical solution: a kind of rock-soil triaxial tests confining pressure power, back-pressure
Power device, structure include driver 1, valve 2, pressurized tank 3, fixing leg 4, machine box 5, workbench 6, pressure lifting bar 7, pressure
Difference sensing connector 8, counterweight placement plate 9, connector 10,1 bottom of driver is fixedly connected in 9 top surface of counterweight placement plate
Gap, 2 center of top of valve and pressure difference sensing connector 8 is not present through connection, 2 bottom of valve in centre, two junctions
Outer wall is flexibly connected with 3 top exterior walls of pressurized tank using interference fit type, and the 3 bottom end outer wall of pressurized tank is fixedly connected with machine box
5 center of top, the 5 bottom end quadrangle of machine box are separately connected fixing leg 4, and the fixing leg 4 is equipped with 4 altogether, each is mutually
In parallel in the same level, 7 top of pressure lifting bar is fixedly connected with running through at left and right sides of counterweight placement plate 9, institute
It states there are two pressure lifting bar 7 sets altogether, is separately connected 9 two sides of the bottom of counterweight placement plate, the two is at a distance of 9 two sides of counterweight placement plate;
The fixing leg 4 by support plate 401, stablize pasting board 402, flexible room 403, through fixation hole 404, bottom fixed board 405, stretch
Contracting bar 406, steady brace 407, bearer ring 408 form, and 401 bottom of support plate is fixedly connected with 405 top of bottom fixed board
Middle part, it is described set altogether through fixation hole 404 there are two, and the two is parallel to each other, is respectively provided at bottom fixed board 405 or so two
Side, the 406 side outer wall of telescopic rod is arranged with flexible 403 side inner walls of room to be connect, flexible 403 top of room and stable branch
Column 407 is fixedly connected, and 407 top of steady brace is flexibly connected with 408 outer wall of bearer ring using slotted mode, the bearing
It is fixedly connected at left and right sides of 408 side of ring and support plate 401,1 two sides of the bottom of driver and 10 bottom outer wall of connector are revolved
It being tightly connected, 10 bottom end of connector screws connection actuator 1 and convex portion and 9 center of top of counterweight placement plate run through connection,
1 bottom junctions of driver occupy a quarter of 9 topside area of counterweight placement plate, 5 top surface of the machine box difference
Connect pressurized tank 3, pressure lifting bar 7,7 upper and lower side of the pressure lifting bar connection counterweight placement plate 9 and the two of counterweight placement plate 9
Side.
Bearer ring 408 described in this patent is a kind of important spare part in contemporary mechanical equipment.Its major function is branch
Mechanical rotary body is supportted, reduces the coefficient of friction in its motion process, and guarantee its rotating accuracy.
It is convenient to fill soil sample in pressurized tank 3 in progress in use, first by opening valve 2, add in counterweight placement plate 9
Upper counterweight, the pressure data table for being equipped with 3 surface of pressurized tank read as 0.02MP, precompressed are carried out to sample, by being mounted in pressurized tank
3 top pressure difference sensing connector 8 measure sample slit water pressure value, further according to various sample requirement in counterweight placement plate 9
Increase certain grade of increment counterweight, until pressure increment is equal with pore water pressure increment, if be then shut off that valve 2 is further added by this time encloses
Pressure increment is still equal with pore water increment, shows that sample counter-pressure has been saturated, and the fixing leg 4 finally by bottom connection is true
The accuracy of equipment test pressure is protected, fixing leg 4 is bonded by the interior bottom fixed board 405 set with ground, solid by bottom
What is be equipped at left and right sides of fixed board 405 cooperates fixing piece to be fixedly connected through fixation hole 404, then left by support plate 401
The bearer ring 408 that right two sides are equipped with cooperates steady brace 407 to rotate, and steady brace 407 is rotated to side so that flexible room 403
Flexible flexible 403 inside of room is connect with telescopic rod 406, telescopic rod 406 can be pulled to be bonded with bottom surface by personnel down, will
The both ends of stabilizer blade are supported stabilization again, to improve the stability of strutting system of equipment, prevent equipment test numerical value from obtaining shadow
It rings.
401 bottom of support plate is fixedly connected with 405 top middle portion of bottom fixed board, described to set altogether through fixation hole 404
There are two, and the two is parallel to each other, be respectively provided at 405 left and right sides of bottom fixed board, the 406 side outer wall of telescopic rod with stretch
403 side inner walls of contracting room are arranged connection, and flexible 403 top of room is fixedly connected with steady brace 407, the steady brace
407 tops are flexibly connected with 408 outer wall of bearer ring using slotted mode, 408 side of bearer ring and support plate 401 or so two
Side is fixedly connected.
The utility model solves the problems, such as it is that device bottom stability is poor, is easy to rock in equipment pressurization, to test
Numerical value generate certain influence, the utility model is combined with each other by above-mentioned component, is equipped with fixing leg, is passed through bottom first
Portion's fixed plate is bonded with ground, cooperates fixing piece that company is fixed through fixation hole by what is be equipped at left and right sides of bottom fixed board
It connects, steady brace rotation is then cooperated by the bearer ring being equipped at left and right sides of support plate, steady brace is made to side rotation
Must stretching, room is flexible down, and flexible chamber interior is connect with telescopic rod, telescopic rod can be pulled to be bonded with bottom surface by personnel, will propped up
The both ends of foot are supported stabilization again, to improve the stability of strutting system of equipment, prevent equipment test numerical value from being influenced,
It is described in detail below:
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of rock-soil triaxial tests confining pressure power, counterpressure means, structure includes driver (1), valve (2), pressurized tank
(3), fixing leg (4), machine box (5), workbench (6), pressure lifting bar (7), pressure difference sensing connector (8), counterweight placement plate
(9), connector (10), driver (1) bottom are fixedly connected with counterweight placement plate (9) top surface center, and two junctions are not
There are gaps, it is characterised in that:
Valve (2) center of top and pressure difference sensing connector (8) are through connection, valve (2) bottom outer wall and pressurized tank
(3) top exterior walls are flexibly connected using interference fit type, and pressurized tank (3) bottom end outer wall is fixedly connected at the top of machine box (5)
Center, machine box (5) the bottom end quadrangle are separately connected fixing leg (4), and the fixing leg (4) is equipped with 4 altogether, each is mutually
In parallel in same level, connect at left and right sides of counterweight placement plate (9) through fixed at the top of the pressure lifting bar (7)
It connects, there are two the pressure lifting bar (7) sets altogether, is separately connected counterweight placement plate (9) two sides of the bottom, the two is placed at a distance of counterweight
Plate (9) two sides;
The fixing leg (4) by support plate (401), stablize pasting board (402), flexible room (403), run through fixation hole (404), bottom
Portion's fixed plate (405), telescopic rod (406), steady brace (407), bearer ring (408) composition, support plate (401) bottom are solid
Surely connect bottom fixed board (405) top middle portion, it is described set altogether through fixation hole (404) there are two, and the two is parallel to each other, point
It is not located at left and right sides of bottom fixed board (405), telescopic rod (406) the side outer wall and flexible room (403) side inner walls set
If connection, it is fixedly connected at the top of the flexible room (403) with steady brace (407), steady brace (407) top and bearing
Ring (408) outer wall is flexibly connected using slotted mode, fixed at left and right sides of bearer ring (408) side and support plate (401)
Connection.
2. a kind of rock-soil triaxial tests confining pressure power according to claim 1, counterpressure means, it is characterised in that: the biography
Dynamic device (1) two sides of the bottom are screwed with connector (10) bottom outer wall to be connect.
3. a kind of rock-soil triaxial tests confining pressure power according to claim 1, counterpressure means, it is characterised in that: the company
Fitting (10) bottom end screws connection actuator (1) and convex portion and counterweight placement plate (9) center of top are through connection.
4. a kind of rock-soil triaxial tests confining pressure power according to claim 1, counterpressure means, it is characterised in that: the biography
Dynamic device (1) bottom junctions occupy a quarter of counterweight placement plate (9) topside area.
5. a kind of rock-soil triaxial tests confining pressure power according to claim 1, counterpressure means, it is characterised in that: the machine
Box (5) top surface is separately connected pressurized tank (3), pressure lifting bar (7).
6. a kind of rock-soil triaxial tests confining pressure power according to claim 1, counterpressure means, it is characterised in that: the pressure
The two sides of the connection of power elevating lever (7) upper and lower side counterweight placement plate (9) and counterweight placement plate (9).
Priority Applications (1)
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CN201821334616.2U CN208672459U (en) | 2018-08-17 | 2018-08-17 | A kind of rock-soil triaxial tests confining pressure power, counterpressure means |
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CN201821334616.2U CN208672459U (en) | 2018-08-17 | 2018-08-17 | A kind of rock-soil triaxial tests confining pressure power, counterpressure means |
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CN201821334616.2U Expired - Fee Related CN208672459U (en) | 2018-08-17 | 2018-08-17 | A kind of rock-soil triaxial tests confining pressure power, counterpressure means |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112284997A (en) * | 2020-10-19 | 2021-01-29 | 河南理工大学 | Coal gas permeation experiment and fracture monitoring device and method |
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2018
- 2018-08-17 CN CN201821334616.2U patent/CN208672459U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112284997A (en) * | 2020-10-19 | 2021-01-29 | 河南理工大学 | Coal gas permeation experiment and fracture monitoring device and method |
CN112284997B (en) * | 2020-10-19 | 2023-05-19 | 河南理工大学 | Coal gas permeation experiment and crack monitoring device and method |
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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: 20190329 Termination date: 20200817 |
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CF01 | Termination of patent right due to non-payment of annual fee |