CN212693465U

CN212693465U - Low-pressure triaxial compressor

Info

Publication number: CN212693465U
Application number: CN202021662666.0U
Authority: CN
Inventors: 邱守翠
Original assignee: China Chemical Mingda Fujian Geological Survey Co Ltd
Current assignee: China Chemical Mingda Fujian Geological Survey Co Ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-12
Anticipated expiration: 2030-08-11

Abstract

The application discloses low pressure triaxial compressor appearance relates to geotechnical engineering's technical field, including pressure chamber bottom plate, the cover body and apply the lid, pressure chamber bottom plate circumference evenly is provided with many stands, applies pressure to cover and is connected with the connecting rod that slides on the stand from top to bottom, is connected with on the connecting rod to be used for the bolt fixed with connecting rod and pressure chamber bottom plate, is provided with the mounting that is used for fixed connecting rod and stand on the stand. This application has the effect that improves the cover body and dismantles in-process security.

Description

Low-pressure triaxial compressor

Technical Field

The application relates to the technical field of geotechnical engineering, in particular to a low-pressure triaxial compressor.

Background

The triaxial compression tester is one of the most common and important experimental devices for geotechnical research, and the triaxial test is a test for measuring the relation between shear strength and stress strain of soil.

As shown in fig. 5 and 6, the low-pressure triaxial compressor comprises a pressure chamber bottom plate 1, a cover body 2 used for buckling a sample is connected to the pressure chamber bottom plate 1, a pressure applying cover 3 is connected to the upper end of the cover body 2, a stand column 4 is circumferentially connected to the pressure type bottom plate, and a nut 7 used for pressing the pressure applying cover 3 to the pressure chamber bottom plate 1 is connected to the upper end of the stand column 4.

In view of the above-mentioned related technologies, the inventor thinks that the low-pressure triaxial compressor needs to disassemble the nut in the process of setting out a pattern, and the cover are disassembled away from the pressure chamber bottom plate.

SUMMERY OF THE UTILITY MODEL

In order to improve the security that the cover body was dismantled in-process, this application provides a low pressure triaxial compressor appearance.

The application provides a low pressure triaxial compressor appearance adopts following technical scheme:

the utility model provides a low pressure triaxial compression appearance, includes pressure chamber bottom plate, the cover body and exerts the lid, pressure chamber bottom plate circumference evenly is provided with many stands, it slides the connecting rod on the stand from top to bottom to exert pressure to cover to be connected with, be connected with on the connecting rod and be used for connecting rod and the fixed bolt of pressure chamber bottom plate, be provided with the mounting that is used for fixed connecting rod and stand on the stand.

Through adopting above-mentioned technical scheme, when needs laying-out, will exert the lid and remove to the direction of keeping away from the pressure chamber bottom plate, the connecting rod slides from top to bottom on the stand, when the lid that exerts pressure slides to suitable position, realize the fixed of connecting rod and stand through the mounting, thereby the realization is fixed the upper end to the stand with the cover body, realize the operation of laying-out, after the laying-out finishes, dismantle the mounting, will exert pressure the lid and move down, it is fixed with the pressure chamber bottom plate through the bolt with the connecting rod, because the lid area of exerting pressure moves the cover body and reciprocates on the stand all the time, the security of the cover body dismantlement process has been improved.

Preferably, the connecting rod is provided with an extension plate near one end of the pressure chamber bottom plate, the bolt is connected to the extension plate, and the upright column is provided with a sliding groove for the extension plate to slide along the length direction of the upright column.

By adopting the technical scheme, when the connecting rod slides up and down relative to the upright post, the extension plate slides in the chute, so that the guide of the moving direction of the connecting rod is realized, and the stability of the moving process of the cover body driven by the connecting rod is improved.

Preferably, the upper end of the upright post is connected with a limiting ring for preventing the connecting rod from separating from the upright post.

Through adopting above-mentioned technical scheme, the steadiness of being connected between connecting rod and the stand can be improved to the spacing ring, avoids the connecting rod to break away from the stand.

Preferably, the upper end of the upright post is provided with a jack penetrating through the upright post, and the fixing piece is an inserted rod inserted in the jack.

Through adopting above-mentioned technical scheme, when the connecting rod moved to the upper end of jack relatively the stand, pegged graft the inserted bar inside the jack to realize the butt of inserted bar to the lower tip of connecting rod, realize the fixed of inserted bar to the connecting rod.

Preferably, a plurality of the jacks are uniformly arranged along the length direction of the upright post.

Through adopting above-mentioned technical scheme, according to the difference of the sample height of will making, will exert pressure and cover and move up required height, realize fixedly through the inserted bar.

Preferably, one end of the connecting rod, which is far away from the pressure chamber bottom plate, penetrates through the pressure applying cover, and a nut for fixing the connecting rod and the pressure applying cover is screwed on the connecting rod.

Through adopting above-mentioned technical scheme, realize connecting rod and applying the dismantlement of gland through the nut and be connected, be convenient for realize connecting rod and applying the fixed and dismantlement of gland.

Preferably, the middle part of the pressure chamber bottom plate is provided with a groove for clamping the cover body.

Through adopting above-mentioned technical scheme, the recess is convenient for realize the location of the cover body.

Preferably, a sealing rubber ring is arranged at the position where the groove contacts the cover body.

By adopting the technical scheme, when the connecting rod is fixed on the pressure chamber bottom plate, the position of the cover body contacting the groove realizes the sealing effect between the cover body and the pressure chamber bottom plate through the sealing rubber ring.

In summary, the present application includes at least one of the following benefits:

1. when lofting is needed, the pressure applying cover is moved towards the direction far away from the pressure chamber bottom plate, the connecting rod slides up and down on the stand column, when the pressure applying cover slides to a proper position, the fixing of the connecting rod and the stand column is realized through the fixing piece, so that the cover body is fixed to the upper end of the stand column, and the lofting operation is realized;

2. when the connecting rod slides up and down relative to the upright post, the extension plate slides in the chute, thereby realizing the guiding of the moving direction of the connecting rod and improving the stability of the moving process of the connecting rod driving the cover body.

Drawings

FIG. 1 is a schematic structural view of the overall structure of the present embodiment;

FIG. 2 is an exploded view at A of FIG. 1;

FIG. 3 is an exploded view of the overall structure of the present embodiment;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

FIG. 5 is a schematic structural view of the related art;

fig. 6 is a disassembly schematic view of the related art.

Description of reference numerals: 1. a pressure chamber floor; 11. a groove; 2. a cover body; 3. applying a gland; 4. a column; 41. a chute; 42. a limiting ring; 43. a jack; 5. a connecting rod; 51. an extension plate; 6. a bolt; 7. a nut; 8. inserting a rod; 9. and sealing the rubber ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses low pressure triaxial compressor. Referring to fig. 1, the low-pressure triaxial compressor includes a pressure chamber bottom plate 1, a cover body 2 and a pressure applying cover 3, the cover body 2 and the pressure applying cover 3 are integrally connected, the cover body 2 and the pressure applying cover 3 are disposed on the upper portion of the pressure chamber bottom plate 1, a plurality of columns 4 are uniformly disposed on the pressure chamber bottom plate 1 in the circumferential direction, and three columns are taken as an example in this embodiment.

Referring to fig. 1 and 2, a connecting rod 5 sliding up and down on a vertical column 4 is connected to the pressing cover 3, an extending plate 51 is connected to one end of the connecting rod 5 close to the pressure chamber bottom plate 1, a sliding groove 41 for the extending plate 51 to slide up and down is formed in a position of the vertical column 4 corresponding to the extending plate 51, and when a sample needs to be placed on the pressure chamber bottom plate 1, the pressing cover 3 is pulled upwards, so that the pressing cover 3 drives the cover body 2 to move in a direction away from the pressure chamber bottom plate 1.

Referring to fig. 2, a bolt 6 is connected to the extension plate 51, and when the extension plate 51 is attached to the upper surface of the pressure chamber bottom plate 1, the connection rod 5 is fixed to the pressure chamber bottom plate 1 by the bolt 6.

Referring to fig. 3, one end of the connecting rod 5 penetrates through the pressing cover 3, a nut 7 for fixing the connecting rod 5 and the pressing cover 3 is screwed to one end of the connecting rod 5 penetrating through the pressing cover 3, and the detachable connection of the pressure chamber bottom plate 1 and the pressing cover 3 is realized through the detachment of the nut 7.

Referring to fig. 3 and 4, the upright post 4 is uniformly provided with a plurality of insertion holes 43 along the length direction thereof, and a fixing member for fixing the connecting rod 5 and the upright post 4 is inserted into the insertion holes 43, in this embodiment, the fixing member is an insertion rod 8 inserted into the insertion holes 43, after the connecting rod 5 moves to a required distance in a direction away from the pressure chamber bottom plate 1, the insertion rod 8 is inserted into the insertion holes 43, and the lower end of the connecting rod 5 abuts against the insertion rod 8, so that the connecting rod 5 and the upright post 4 are fixed. The upper end of the upright post 4 is connected with a limit ring 42 which prevents the connecting rod 5 from separating from the upright post 4.

Referring to fig. 3, the middle of the pressure chamber bottom plate 1 is provided with a groove 11 for clamping the cover body 2, when the cover body 2 is arranged on the upper part of the pressure chamber bottom plate 1, the groove 11 realizes the positioning of the cover body 2, the position of the groove 11 contacting the cover body 2 is provided with a sealing rubber ring 9, and when the cover body 2 is arranged in the groove 11, the sealing of the joint of the cover body 2 and the groove 11 is realized through the sealing rubber ring 9.

The implementation principle of the low-pressure triaxial compressor in the embodiment of the application is as follows:

when the needs are to cover body 2 inside laying-out, dismantle fixed extension board 51 and pressure chamber bottom plate 1's bolt 6, make and exert pressure the lid 3 and drive the cover body 2 and remove to required height, peg graft the inserted bar 8 inside the jack 43 that is closest in connecting rod 5 bottom, when connecting rod 5 bottom butt inserted bar 8, realize the fixed of connecting rod 5 height, thereby carry out the installation and the placing of sample, after the sample is placed and is accomplished, dismantle inserted bar 8, make connecting rod 5 remove to the direction that is close to pressure chamber bottom plate 1, use bolt 6 fixed extension board 51 and pressure chamber bottom plate 1, realize holistic fixed, because the cover body 2 is connected with stand 4 all the time at the in-process of dismantling, thereby can improve the security of cover body 2 dismantlement process.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a low pressure triaxial compression appearance, includes pressure chamber bottom plate (1), the cover body (2) and lid (3) of exerting pressure, pressure chamber bottom plate (1) circumference evenly is provided with many stands (4), its characterized in that: the pressing cover (3) is connected with a connecting rod (5) which vertically slides on the upright post (4), the connecting rod (5) is connected with a bolt (6) which is used for fixing the connecting rod (5) and the pressure chamber bottom plate (1), and the upright post (4) is provided with a fixing piece which is used for fixing the connecting rod (5) and the upright post (4).

2. A low pressure triaxial compressor according to claim 1, wherein: one end of the connecting rod (5) close to the pressure chamber bottom plate (1) is provided with an extension plate (51), the bolt (6) is connected to the extension plate (51), and the upright post (4) is provided with a sliding groove (41) for the extension plate (51) to slide along the length direction of the upright post.

3. A low pressure triaxial compressor according to claim 1, wherein: the upper end of the upright post (4) is connected with a limiting ring (42) for preventing the connecting rod (5) from separating from the upright post (4).

4. A low pressure triaxial compressor according to claim 1, wherein: the upper end of the upright post (4) is provided with a jack (43) which penetrates through the upright post (4), and the fixing piece is an inserted rod (8) inserted in the jack (43).

5. The low pressure tri-axial compressor of claim 4, wherein: the jacks (43) are uniformly arranged along the length direction of the upright post (4).

6. A low pressure triaxial compressor according to claim 1, wherein: one end, far away from the pressure chamber bottom plate (1), of the connecting rod (5) penetrates through the pressing cover (3), and a nut (7) used for fixing the connecting rod (5) and the pressing cover (3) is connected to the connecting rod (5) in a threaded mode.

7. A low pressure triaxial compressor according to claim 1, wherein: the middle part of the pressure chamber bottom plate (1) is provided with a groove (11) used for clamping the cover body (2).

8. The low pressure tri-axial compressor of claim 7, wherein: and a sealing rubber ring (9) is arranged at the position where the groove (11) contacts the cover body (2).