CN205067246U - Triaxial test's confined pressure room structure - Google Patents
Triaxial test's confined pressure room structure Download PDFInfo
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- CN205067246U CN205067246U CN201520879271.9U CN201520879271U CN205067246U CN 205067246 U CN205067246 U CN 205067246U CN 201520879271 U CN201520879271 U CN 201520879271U CN 205067246 U CN205067246 U CN 205067246U
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- confined pressure
- buckle
- pressure room
- ring
- steel wall
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Abstract
The utility model discloses a triaxial test's confined pressure room structure, it includes confined pressure room steel wall, there is a portable base bottom of confined pressure room steel wall through buckle fixed mounting, the buckle adopts three -section dissection formula structure, and the three -section is put together and is constituted a complete snap ring and link together the bottom and the portable base of confined pressure room steel wall, and the peripheral cover of buckle is equipped with the lantern ring. The utility model provides a triaxial test confined pressure room structure, eliminated because of different bolts installations elasticity degree differ and horizontal groove in soil particles be difficult for unfavorable factors such as sanitization, reduced the possibility of sealing washer damage to a certain extent, prolonged the life of equipment.
Description
Technical field
The utility model relates to geomaterial test field, especially carries out the confined pressure cell structure of a kind of triaxial test of large-scale triaxial shear test.
Background technology
Carrying out the stable calculation of the earth structure such as earth dam, side slope, during the research of the problem such as Earth pressures and foundation bearing capacity, the failure criteria of extensive employing is mole of-coulomb of failure criteria, and triaxial shear test is a kind of conventional mole of-coulomb of criterion that utilizes solves the test of correlation parameter; Under the different stress paths of normal triaxial shear test and complexity, triaxial shear test is the important channel of the constitutive model of research geomaterial, and Ge great colleges and universities and scientific research institutions are all in the Study on Triaxial Tests of carrying out DIFFERENT SOIL material.Therefore, the application of triaxial shear test instrument widely.
There is following deficiency in traditional large-scale triaxial shear test instrument:
(1) the confined pressure room of triaxial shear test instrument is generally connected by bolt with movable pedestal, and although bolt can solve the connectivity problem of confined pressure room and movable pedestal, but when being used on large-scale triaxial shear test instrument, bolt connects ubiquity wastes time and energy and inevitably there is different bolt and install the problem that differs of tightness.
(2) in sample installation process, the confined pressure room of triaxial shear test instrument and the seal approach of movable pedestal, be generally reserve in groove the bottom surface of placing O-ring seal and confined pressure room by the surface level on movable pedestal to carry out crush seal by bolt in the horizontal direction, the soil particle existed in horizontal groove such as not easily to clean up at the unfavorable factor.And the design of horizontal groove is in the not thorough situation of cleaning, O-ring seal can be damaged, while causing sealing effectiveness difference, decrease the serviceable life of O-ring seal.
Need at present to design a kind of a kind of triaxial test confined pressure cell structure carrying out reducing in Large Shear process of the test above-mentioned unfavorable factor.
Utility model content
The triaxial test confined pressure cell structure that the utility model provides, eliminate and because of different bolt, tightness is installed and differs and in horizontal groove, soil particle such as not easily to clean up at the unfavorable factor, reduce the possibility of O-ring seal damage to a certain extent, extend the serviceable life of equipment.
For achieving the above object, the utility model will adopt following material and technical scheme: a kind of confined pressure cell structure of triaxial test, it comprises confined pressure room steel wall, the bottom of confined pressure room steel wall is fixed by snap is provided with movable pedestal, described buckle adopts three sections of split type structures, combine the complete snap ring of formation one for three sections to be linked together in the bottom of confined pressure room steel wall and movable pedestal, the outer race of buckle is equipped with the collar.
The inside, right side of described movable pedestal is processed with the sample osculum and sample inlet opening that run through mutually with sidewall and top simultaneously, left side is inner is processed with the country rock room water inlet simultaneously run through mutually with sidewall and top, the convex platform outer wall of movable pedestal is processed with protruding ring, match with buckle in the lower surface of protruding ring, the upper boss outer wall of protruding ring is processed with multiple seal groove, and seal groove matches with confined pressure room steel wall and seals.
Described buckle comprises buckling body, buckling body is the eccentric circular ring of 120 °, the its right end face of buckling body is provided with register pin, left end face is provided with dowel hole, in three snap assembled processes, its register pin and dowel hole match, and the outer wall of buckling body is processed with outer annular groove, and inwall is processed with interior ring groove, interior ring groove matches with the protruding ring of movable pedestal and the bottom of confined pressure room steel wall, carries out assembly and connection to it.
The described collar comprises collar ring body, and collar ring body matches with the outer annular groove of buckle and to be fixed the buckle after assembling, and collar ring body adopts monolithic construction, is provided with handle in its outer wall symmetria bilateralis.
Described seal groove nested inside has O-ring seal.
Advantage of the present utility model and beneficial effect are:
1, the difficulty that seal groove solves sealing place not easy cleaning is set at the sidewall of movable pedestal.Side seal groove inside is installed the design of O-ring seal and is solved surface level sealing particle easy cleaning is not thoroughly and then O-ring seal is caused to the defect of damage, confined pressure room steel wall inwall and the mutual extruding of movable pedestal sidewall to O-ring seal is utilized to complete seal process, ensure that sealing effectiveness, improve stability and the durability of device simultaneously.
2, the bayonet connection of bolt and the supplementary card snap connector collar is replaced to improve packaging efficiency.Web member is made up of the identical snap component that three is 120 °, and the two ends of buckle are respectively arranged with pilot hole and locate slightly, and the collar is provided with two handles, is easy for installation and removal.
3, adopt buckle to substitute traditional bolt to connect, improve the joint efficiency of movable pedestal and confined pressure room steel wall, and then improve whole test efficiency, also ensure that the strength of joint of movable pedestal and country rock room steel wall simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is one-piece construction cut-open view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is buckle structure schematic diagram of the present utility model.
Fig. 4 is thimble structure schematic diagram of the present utility model.
Fig. 5 is C-C cross-sectional view in Fig. 4 of the present utility model.
In figure: confined pressure room steel wall 1, buckle 2, the collar 3, movable pedestal 4, register pin 201, buckling body 202, interior ring groove 203, outer annular groove 204, dowel hole 205, collar ring body 301, handle 302, sample inlet opening 401, sample osculum 402, seal groove 403, protruding ring 404, country rock room water inlet 405.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As Figure 1-5, a kind of confined pressure cell structure of triaxial test, it comprises confined pressure room steel wall 1, the bottom of confined pressure room steel wall 1 is installed with movable pedestal 4 by buckle 2, described buckle 2 adopts three sections of split type structures, combine the complete snap ring of formation one for three sections to be linked together in the bottom of confined pressure room steel wall 1 and movable pedestal 4, the outer race of buckle 2 is equipped with the collar 3.By movable pedestal 4 and confined pressure room steel wall 1 are carried out assembly and connection, can be surrounded by confined pressure room steel wall 1 by sample in warranty test process, thus ensure that the security in specimen, improve joint efficiency between movable pedestal 4 and confined pressure room steel wall 1 by substituting traditional bolt connecting mode with buckle 2.
As Fig. 1, the inside, right side of described movable pedestal 4 is processed with the sample osculum 402 and sample inlet opening 401 that run through mutually with sidewall and top simultaneously, left side is inner is processed with the country rock room water inlet 405 simultaneously run through mutually with sidewall and top, the convex platform outer wall of movable pedestal 4 is processed with protruding ring 404, match with buckle 2 in the lower surface of protruding ring 404, the upper boss outer wall of protruding ring 404 is processed with multiple seal groove 403, and seal groove 403 matches with confined pressure room steel wall 1 and seals.By adopting the mode of side seal to substitute traditional bottom end face sealing, improve leakage efficiency, being also convenient to the cleaning of follow-up seal groove simultaneously, improve the serviceable life of O-ring seal.
As Fig. 3, described buckle 2 comprises buckling body 202, buckling body 202 is the eccentric circular ring of 120 °, the its right end face of buckling body 202 is provided with register pin 201, and left end face is provided with dowel hole 205, and in three buckle 2 assembling process, its register pin 201 and dowel hole 205 match, the outer wall of buckling body 202 is processed with outer annular groove 204, inwall is processed with interior ring groove 203, and interior ring groove 203 matches with the protruding ring 404 of movable pedestal 4 and the bottom of confined pressure room steel wall 1, carries out assembly and connection to it.Adopt the knockdown buckle 2 of subdivision to facilitate confined pressure room steel wall 1 and the connection of movable pedestal 4, improve joint efficiency.
As Fig. 4-5, the described collar 3 comprises collar ring body 301, and collar ring body 301 matches with the outer annular groove 204 of buckle 2, and be fixed the buckle 2 after assembling, collar ring body 301 adopts monolithic construction, is provided with handle 302 in its outer wall symmetria bilateralis.Installation and the connection of the collar 3 can be facilitated by handle 302
Further, described seal groove 403 nested inside has O-ring seal.The serviceable life of O-ring seal is extended by installing side seal.
Above-described embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (4)
1. the confined pressure cell structure of a triaxial test, it is characterized in that: it comprises confined pressure room steel wall (1), the bottom of confined pressure room steel wall (1) is installed with movable pedestal (4) by buckle (2), described buckle (2) adopts three sections of split type structures, combine the complete snap ring of formation one for three sections to be linked together in the bottom of confined pressure room steel wall (1) and movable pedestal (4), the outer race of buckle (2) is equipped with the collar (3);
The inside, right side of described movable pedestal (4) is processed with the sample osculum (402) and sample inlet opening (401) that run through mutually with sidewall and top simultaneously, left side is inner is processed with country rock room water inlet (405) simultaneously run through mutually with sidewall and top, the convex platform outer wall of movable pedestal (4) is processed with protruding ring (404), match with buckle (2) in the lower surface of protruding ring (404), the upper boss outer wall of protruding ring (404) is processed with multiple seal groove (403), and seal groove (403) matches with confined pressure room steel wall (1) and seals.
2. the confined pressure cell structure of a kind of triaxial test according to claim 1, it is characterized in that: described buckle (2) comprises buckling body (202), buckling body (202) is the eccentric circular ring of 120 °, the its right end face of buckling body (202) is provided with register pin (201), left end face is provided with dowel hole (205), in three buckle (2) assembling process, its register pin (201) and dowel hole (205) match, the outer wall of buckling body (202) is processed with outer annular groove (204), inwall is processed with interior ring groove (203), interior ring groove (203) matches with the protruding ring (404) of movable pedestal (4) and the bottom of confined pressure room steel wall (1), assembly and connection is carried out to it.
3. the confined pressure cell structure of a kind of triaxial test according to claim 1, it is characterized in that: the described collar (3) comprises collar ring body (301), collar ring body (301) matches with the outer annular groove (204) of buckle (2) and to be fixed the buckle (2) after assembling, collar ring body (301) adopts monolithic construction, is provided with handle (302) in its outer wall symmetria bilateralis.
4. the confined pressure cell structure of a kind of triaxial test according to claim 1, is characterized in that: described seal groove (403) nested inside has O-ring seal.
Priority Applications (1)
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CN201520879271.9U CN205067246U (en) | 2015-11-06 | 2015-11-06 | Triaxial test's confined pressure room structure |
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CN201520879271.9U CN205067246U (en) | 2015-11-06 | 2015-11-06 | Triaxial test's confined pressure room structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108106943A (en) * | 2018-01-09 | 2018-06-01 | 中国科学院武汉岩土力学研究所 | A kind of triaxial compression test instrument |
CN114100436A (en) * | 2021-11-30 | 2022-03-01 | 石家庄铁道大学 | Coarse-grained soil power humidification test device |
-
2015
- 2015-11-06 CN CN201520879271.9U patent/CN205067246U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108106943A (en) * | 2018-01-09 | 2018-06-01 | 中国科学院武汉岩土力学研究所 | A kind of triaxial compression test instrument |
CN114100436A (en) * | 2021-11-30 | 2022-03-01 | 石家庄铁道大学 | Coarse-grained soil power humidification test device |
CN114100436B (en) * | 2021-11-30 | 2024-02-09 | 石家庄铁道大学 | Coarse-grained soil dynamic humidification test device |
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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: 20160302 Termination date: 20161106 |
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CF01 | Termination of patent right due to non-payment of annual fee |