CN103175736B - Rock test bearing chassis - Google Patents
Rock test bearing chassis Download PDFInfo
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- CN103175736B CN103175736B CN201310061200.3A CN201310061200A CN103175736B CN 103175736 B CN103175736 B CN 103175736B CN 201310061200 A CN201310061200 A CN 201310061200A CN 103175736 B CN103175736 B CN 103175736B
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Abstract
The invention discloses a rock test bearing chassis which mainly comprises a table type bearing chassis body and a bearing disc groove which is formed around the bearing chassis body, wherein the lower end face of the bearing chassis body is provided with a positioning mounting hole used for mounting the bearing chassis on a rock test rig loading base; and the bearing disc groove is used for bearing the leaked osmotic medium water in the rock test block penetration test process and the scraps generated by the rock test block breakage in the compression test process. The adverse effect caused to the testing equipment due to the water leakage and rock test block breakage in the rock test block penetration test process and the compression test process on the rock test rig in the prior art is avoided, the measurement and control sensor mounted on the rock test rig loading base is protected, and the cleaning convenience and rapidness of a three-axis pressure chamber of the rock test rig is improved.
Description
Technical field
The present invention relates to In Rock Seepage Tests and compression test technology, more specifically, relate to a kind of supporting rock test block permeability test of rock test rig use and the servicing unit of compression test.
Background technology
Rock test rig carries out permeability test and compression test to rock test block, and prior art is all rock test block be placed on testing machine between push-down head, and is directly placed in by push-down head in the loaded seat of rock test rig triaxial pressure indoor.And rock test block is out of shape in permeability test and compression test, the sensor of load for measuring, and oil-feed/oil return aperture be distributed in be positioned at triaxial pressure indoor loaded seat on.
When rock test rig carries out permeability test to rock test block, be stone test block is placed in be designed with permeating medium water enter runner push-down head and be designed with permeating medium water draw runner seaming chuck between, with diaphragm by rock test block and upper push-down head coated good after be arranged on rock test rig triaxial cell loaded seat and load between column, apply the pressure oil medium of side direction confined pressure pressure in the indoor injection of rock test rig triaxial pressure after preliminary work completes, by upper push-down head, axial compressive load is applied to rock test block by rock test rig loaded seat and loading column.Rock test rig carries out rock test block in the process of permeability test; water as permeating medium is easily revealed along between diaphragm and rock test block with rock test block and upper push-down head contact site; flow in triaxial cell's loaded seat, particularly rock test block destroy suddenly and test operation error time more easily cause the leakage of water.As the pressure medium oil applying side direction confined pressure, have insulation characterisitic and heat transfer characteristic under High Temperature High Pressure, and as the water of permeating medium, its proportion is again much larger than as the proportion of pressure medium oil applying side direction confined pressure.Therefore, the water leaked out in process of the test enters into triaxial cell, the sensor lead hole be arranged in loaded seat can be accumulated in, this not only can cause the decreasing insulating of pressure oil in process of the test, also circuit between the Survey control sensor that is placed in triaxial cell's loaded seat can be caused to be short-circuited, equipment is caused to be burnt, also when pressure oil is discharged, water together can be arranged in entrance pressure power oil pressure supercharger, thus cause supercharger slowly corrosion and cannot using, shorten the serviceable life of testing equipment.
When rock test rig carries out triaxial compression test to rock test block; also often occur because rock test block is destroyed suddenly or diaphragm partial failure; fragmented rock chip is caused to be scattering in triaxial cell's loaded seat; fragmented rock chip not only can cause the oil-feed/spill port blocking be positioned in loaded seat; pressure oil cannot enter into triaxial cell and apply confined pressure pressure to rock test block; rock debris also can remain in the fairlead of survey sensor, causes the decreasing insulating between survey sensor.In addition, rock debris also can enter into pressure turbocharger oil cylinder with pressure oil, remain in supercharger oil cylinder inside and cannot discharge, supercharger oil cylinder performance is caused to reduce gradually, until damage, special in occurring remaining in supercharger oil cylinder, supercharger oil cylinder remains at solid and under the water acting in conjunction that enters with pressure oil, more easily causes device damage.
Rock test rig carries out rock test block the prior art of permeability test and compression test, above-mentioned to except the situation of device damage except there will be, no matter be that water leakage flows in triaxial cell's loaded seat, or rock test block is destroyed rear chip and is scattering in triaxial cell's loaded seat, all need to carry out cleaning and processing to triaxial cell and loaded seat thereof, its cleaning course bothers very much, not only waste time and energy, also need to be equipped with multiple different burnisher, and in rock mechanics laboratory, usually do not possess the instrument that can carry out comparatively thoroughly cleaning, thus cause cannot carrying out effective cleaning and the equipment use effect after cleaning cannot being ensured.
Summary of the invention
For the deficiency that rock test block permeability test and the compression test of prior art exist, object of the present invention aims to provide a kind of rock test rig bearing chassis, to solve due to the adverse effect caused testing equipment that water is revealed and rock test block fragmentation causes in rock test block permeability test and compression test, and the clean puzzlement brought is carried out to triaxial cell and loaded seat thereof.
Above-mentioned technical matters to be solved by this invention, solves by the rock test rig bearing chassis be made up of following technical proposals.
Rock test rig bearing chassis provided by the invention, form primarily of bearing chassis body with around the tray groove be arranged on bearing chassis body, the lower surface of bearing chassis body is designed with the lower location and installation hole for bearing chassis being arranged on rock test rig triaxial cell base and in testing machine loaded seat, and described tray groove to break the chip produced for accepting rock test block in the permeating medium water and compression test process revealed in rock test block permeability test process.
In technique scheme, around the tray groove be arranged on bearing chassis body, its notch face can be concordant with bearing chassis body upper end, also can higher than bearing chassis body upper end or lower than bearing chassis body upper end.The section of tray groove can rectangle, triangle that also can be up big and down small, or other shape.But no matter what shape, dish groove will have enough volumes and accept area, can contain the water that may leak out in lower rock test block permeability test process and effectively can accept the broken chip be scattered in rock test block compression experiment process.
In technique scheme, the upper surface of bearing chassis body is preferably also designed with the upper location and installation hole of docking with rock test rig push-down head, to ensure that bearing chassis and rock test rig push-down head are integrated by pin shaft joint.
In technique scheme, the upper surface of bearing chassis body is preferably designed with the right-angled intersection groove by end face central authorities.Triaxial compression test is carried out to rock test block, apply to make after the confined pressure Medium Oil of lateral pressure enters into the end face of push-down head and bearing chassis push-down head not easily with accept chassis and divide to start discharging and get.At the right-angled intersection groove of the upper surface of bearing chassis body design by end face central authorities, air can be made to enter the gap between bearing chassis body upper surface and push-down head by right-angled intersection groove, greatly facilitating point to start discharging push-down head from undertaking chassis gets, and improves the convenience of test operation.
In technique scheme, bearing chassis body is preferably designed with the mounting flange for bearing chassis being fixedly mounted on rock test rig triaxial cell base, ring flange is evenly equipped with the bolt hole that set bolt extends there through.Mounting flange is preferably positioned at the lower end of bearing chassis body.
In technique scheme, bearing chassis body and tray groove can be rotational symmetry revolving structure, also can be rectangular configuration, or the structure of other shapes, are preferably rotational symmetry revolving structure, so that the manufacture processing of bearing chassis.Be positioned at lower location and installation hole on bearing chassis body and upper location and installation Kongzui is well all positioned on the axis of bearing chassis body.
In technique scheme, being positioned at the lower location and installation hole on bearing chassis body, can be the pin-and-hole coordinated with alignment pin, also can be the bolt hole coordinated with bolt.
Bearing chassis provided by the invention can be designed to monolithic construction, also can be designed to split-type structural.Described split-type structural, the bearing chassis body part that namely bearing chassis can be designed to by comprising tray groove is formed with the bearing chassis body part comprising mounting flange, and two parts are connected as one by location draw bail.Bearing chassis is paid the utmost attention to and is designed to monolithic construction.
The present invention utilizes the heavy characteristics design of the proportion specific pressure oil of water and rock to complete.Bearing chassis provided by the invention is the servicing unit that supporting rock test rig uses, between the loaded seat being arranged on rock test rig triaxial pressure indoor and push-down head, carry out in permeability test and compression test process in rock test block, the leakage water in permeability test process and the rock debris in compression test process is accepted by the tray groove of bearing chassis, therefore effectively prevent water and rock debris enters into the Survey control sensor lead hole be arranged in triaxial cell's loaded seat, avoid short circuit between the Survey control sensor that brings due to pressure oil decreasing insulating.Proportion due to water and rock is greater than the proportion of pressure oil, therefore it also avoid and is together arranged by water in entrance pressure power oil pressure supercharger when pressure oil is discharged, cause supercharger to damage inefficacy due to the corrosion of water thus, improve the serviceable life of testing equipment.It also avoid because water and rock debris enter into triaxial cell's loaded seat simultaneously, cleaning requirement is carried out to triaxial cell and loaded seat thereof and is equipped with the multiple different burnisher of use, cleaning course extremely bothers, and in general rock mechanics laboratory, usually do not possess the instrument carrying out comparatively thoroughly cleaning, cannot effective cleaning be carried out, a series of problem that the equipment use effect etc. after cleaning is brought cannot be ensured.In rock test block permeability test and compression test process, adopt bearing chassis provided by the invention, not only prevent the adverse effect because water or rock test block fragmentation cause equipment, and its cleaning course is convenient, fast.
The bearing chassis of invention can as a part for rock test equipment.The present invention has filled up the technological gap do not taken into full account in rock test equipment development at present.
Accompanying drawing explanation
Fig. 1-1 to 1-3 is the structural representation of an embodiment of bearing chassis provided by the invention.Wherein Fig. 1-1 is the main TV structure schematic diagram of bearing chassis, and Fig. 1-2 is plan structure schematic diagram, and 1-3 is that A-A in Fig. 1-2 is to sectional structure schematic diagram.
Fig. 2 to Fig. 4 is that its tray slot of bearing chassis provided by the invention is in the structural representation of bearing chassis body diverse location.
Fig. 5-1 to 5-2 is the structural representation of another embodiment of bearing chassis provided by the invention.Wherein Fig. 5-1 is the main TV structure schematic diagram of bearing chassis, and Fig. 1-2 is plan structure schematic diagram.
Fig. 6 is the structural representation of another embodiment again of bearing chassis provided by the invention.
Fig. 7 is the test mounting means schematic diagram adopting bearing chassis of the present invention rock test block to be carried out to permeability test and three compression tests on Rock experiment machine.
Fig. 8 adopts bearing chassis of the present invention to carry out the test mounting means schematic diagram of uniaxial compression test at Rock experiment machine to rock test block.
In above-mentioned accompanying drawing, the object of each shown by reference numeral mark is respectively: under 1-location and installation hole (can be threaded location and installation hole or not threaded location and installation hole); 2-tray groove; 3-right-angled intersection groove; The upper location and installation hole of 4-; 5-location and installation hole (can be threaded location and installation hole or not threaded location and installation hole); 6-bolt hole; 7-location and installation hole (can be threaded location and installation hole or not threaded location and installation hole); 8-triaxial cell; 9-loads column; 10-seaming chuck; 11-diaphragm; 12-rock test block; 13-push-down head; 14-loaded seat; 15-inlet pipeline; 16, outlet pipeline; 17, confined pressure pressure oil discharge line; 18-Survey control sensor lead hole; 19-bearing chassis; 20-cushion block; 21-cushion block; 22-tester base.
Embodiment
Provide embodiments of the invention below in conjunction with accompanying drawing, and the present invention is conducted further description in conjunction with the embodiments, so that people's the understanding of the present invention.Specific constructive form of the present invention is not limited to the form described by following embodiment; the thought that those skilled in the art can disclose according to the utility model is not paid creatively to work and also can be designed other embodiments, but these embodiments gone out according to content design of the present invention still belong to protection scope of the present invention.
Embodiment 1
The rock test rig bearing chassis of the present embodiment, its structure is as shown in accompanying drawing 5-1,5-2, entirety is rotational symmetry revolving structure, by desk-top bearing chassis body, to break the tray groove 2 of the chip produced for accepting test block in the permeating medium water and compression test process revealed in rock test block permeability test process around being arranged on bearing chassis body, and bearing chassis body lower end is set forms for mounting flange bearing chassis is fixedly mounted in the loaded seat 14 of rock test rig triaxial pressure indoor.The section of tray groove is rectangle, and the notch face of tray groove is concordant with the upper surface of bearing chassis body.The upper location and installation hole 4 that the lower surface central design of bearing chassis body has the lower location and installation hole 7 for bearing chassis being arranged in the loaded seat of rock test rig triaxial pressure indoor, upper surface central design to have to connect with rock test rig push-down head 13 centering and the right-angled intersection groove 3 by end face central authorities.Ring flange is evenly equipped with the bolt hole 6 that set bolt extends there through.
Adopt bearing chassis of the present invention to carry out permeability test and triaxial compression test to rock test block, test mounting means as shown in Figure 7.Bearing chassis 19 of the present invention is placed in the loaded seat 14 of rock test rig triaxial pressure indoor by its lower location and installation hole 7 and register pin, then is fixed in the loaded seat 14 of triaxial pressure indoor by the ring flange in bearing chassis and attachment bolt.After rock test block 12, seaming chuck 10 and push-down head 13 being wrapped with diaphragm 11; by the upper location and installation hole 4 in bearing chassis and register pin, push-down head 13 and rock test block 12 and seaming chuck 10 are placed in bearing chassis of the present invention; seaming chuck 10 is pushed down with loading column 9; then inlet pipeline 15, outlet pipeline 16 are connected with upper push-down head and tester base; install and connect the sensor that triaxial pressure chamber interior need be measured again, open confined pressure pressure oil pipeline 17, startup rock test rig can be tested.
Embodiment 2
The rock test rig bearing chassis of the present embodiment, its structure is as shown in accompanying drawing 1-1,1-2,1-3, entirety is rotational symmetry revolving structure, by desk-top bearing chassis body, form for accepting the break tray groove 2 of the chip produced of test block in the permeating medium water and compression test process revealed in rock test block permeability test process around being arranged on bearing chassis body.The section of tray groove is rectangle, and the notch face of tray groove is concordant with the upper surface of bearing chassis body.The lower surface central design of bearing chassis body has the lower location and installation hole 1 for bearing chassis being arranged in the loaded seat of rock test rig triaxial pressure indoor.
Claims (8)
1. a rock test rig bearing chassis, it is characterized in that, form primarily of bearing chassis body with around the tray groove be arranged on bearing chassis body, the lower surface of bearing chassis body is designed with the lower location and installation hole for bearing chassis being arranged in rock test rig loaded seat, and described tray groove to break the chip produced for accepting rock test block in the permeating medium water and compression test process revealed in rock test block permeability test process.
2. rock test rig bearing chassis according to claim 1, is characterized in that, the upper surface of bearing chassis body is designed with the upper location and installation hole of docking with rock test rig push-down head.
3. rock test rig bearing chassis according to claim 1 and 2, is characterized in that, the upper surface of bearing chassis body is designed with the right-angled intersection groove by end face central authorities.
4. rock test rig bearing chassis according to claim 1 and 2, it is characterized in that, bearing chassis body design has the ring flange for bearing chassis being fixedly mounted in rock test rig loaded seat, ring flange is evenly equipped with the bolt hole that set bolt extends there through.
5. rock test rig bearing chassis according to claim 3, it is characterized in that, bearing chassis body design has the ring flange for bearing chassis being fixedly mounted in rock test rig loaded seat, ring flange is evenly equipped with the bolt hole that set bolt extends there through.
6. rock test rig bearing chassis according to claim 5, is characterized in that, ring flange is positioned at the lower end of bearing chassis body.
7. rock test rig bearing chassis according to claim 5, is characterized in that, bearing chassis body and tray groove are rotational symmetry revolving structure.
8. rock test rig bearing chassis according to claim 7, is characterized in that, lower location and installation hole and upper location and installation hole are positioned on the axis of bearing chassis body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061200.3A CN103175736B (en) | 2013-02-27 | 2013-02-27 | Rock test bearing chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061200.3A CN103175736B (en) | 2013-02-27 | 2013-02-27 | Rock test bearing chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103175736A CN103175736A (en) | 2013-06-26 |
| CN103175736B true CN103175736B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061200.3A Active CN103175736B (en) | 2013-02-27 | 2013-02-27 | Rock test bearing chassis |
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| CN (1) | CN103175736B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940976B (en) * | 2014-03-24 | 2016-03-16 | 中国地震局地壳应力研究所 | For the high leakproofness pressure vessel of rock fracture seepage flow microseism test |
| CN105403449B (en) * | 2015-11-03 | 2017-11-28 | 石家庄铁道大学 | A kind of rock mechanics experiment machine base |
| CN107063882B (en) * | 2017-05-15 | 2023-03-03 | 四川大学 | Rock mechanics experimental system for simulating deep ground environment |
| CN108732015A (en) * | 2018-06-05 | 2018-11-02 | 四川大学 | Reflection rock length load lasts the test method of creep behaviour |
| CN111189754A (en) * | 2020-01-07 | 2020-05-22 | 重庆大学 | Device for testing permeability parameters of broken rock |
| CN115639127B (en) * | 2022-09-09 | 2023-05-16 | 寰泰储能科技股份有限公司 | Method and device for measuring porosity of porous material under pressure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672763A (en) * | 2009-09-15 | 2010-03-17 | 中国矿业大学 | Rock permeability experimental facility |
| CN102221501A (en) * | 2011-04-22 | 2011-10-19 | 河海大学 | Device and method for measuring mechanical properties of rocks |
| CN203117045U (en) * | 2013-02-27 | 2013-08-07 | 四川大学 | Bearing base plate for rock testing |
-
2013
- 2013-02-27 CN CN201310061200.3A patent/CN103175736B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672763A (en) * | 2009-09-15 | 2010-03-17 | 中国矿业大学 | Rock permeability experimental facility |
| CN102221501A (en) * | 2011-04-22 | 2011-10-19 | 河海大学 | Device and method for measuring mechanical properties of rocks |
| CN203117045U (en) * | 2013-02-27 | 2013-08-07 | 四川大学 | Bearing base plate for rock testing |
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| CN103175736A (en) | 2013-06-26 |
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