CN217586818U

CN217586818U - Rock permeability measuring device

Info

Publication number: CN217586818U
Application number: CN202220758958.7U
Authority: CN
Inventors: 姚瑞兰; 王津
Original assignee: University of Science and Technology Beijing USTB
Current assignee: University of Science and Technology Beijing USTB
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-10-14
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a rock permeability survey device, including workstation and detection device, operating panel is installed to the side end face before the workstation, and detection device is installed to the workstation up end, the utility model discloses in adopt detection device, can detect the permeability of the rock of same piece geology under different pressures, solved the problem that current device can't measure rock permeability under different pressures, work efficiency is high, easy operation is convenient.

Description

Rock permeability measuring device

Technical Field

The utility model relates to a geology survey field, concretely relates to rock permeability survey device.

Background

The geologic research object is the solid crust of the earth, the crust or the rock circles, which mainly research the material composition, the internal structure, the external characteristics, the interaction between layers and the knowledge system of the evolution history of the earth. Is a natural science for researching the earth and the evolution thereof.

Present rock permeability survey device for geology when using, once only can carry out single pressure value test, when needs debug under other pressure, need regulate and control on the machine, complex operation, inefficiency, unable measurement is in the permeability of rock under the pressure that does not use, has very big limitation to current device does not carry out the fluting processing, and detection error is great.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a rock permeability measuring device, which comprises a workbench and a detection device, wherein the front end face of the workbench is provided with an operation panel, and the upper end face of the workbench is provided with the detection device;

the detection device comprises a lower base, an upper base, a placing cavity, a control cylinder, a cover plate, a pressure sensing unit, a pressure display panel, a limiting cavity and a water-absorbing sponge, wherein the lower base is installed on the upper end surface of a workbench, the upper end surface of a lower base is connected with the lower end surface of the upper base through supporting columns, a plurality of limiting cavities are installed on the upper end surface of the lower base along the circumferential direction of the upper end surface of the lower base, the water-absorbing sponge is installed at the bottom of each limiting cavity, the placing cavity is arranged above the corresponding limiting cavity, the outer side wall of the placing cavity is connected with the upper end surface of the lower base through a connecting support, the bottom of the placing cavity is of a net-shaped structure with a plurality of filter holes, the control cylinder is arranged above the placing cavity and is installed on the lower end surface of the lower base, and the output end of the control cylinder is provided with a v-shaped support, i-21274a cover plate is installed at the bottom of the shaped support, the pressure sensing unit is installed at the bottom of the cover plate, and a plurality of pressure display panels are installed on the outer side wall of the upper base along the circumferential direction of the upper base;

an electronic scale is installed on the upper end face of the upper base, and a tray is installed on the upper end face of the electronic scale.

Preferably: the bottom of the 21274is rotatably provided with an open chisel rod through threads, and the bottom of the open chisel rod is of a conical structure.

Preferably: the cutting rod is of a telescopic rod structure.

Preferably: the lower base is of a hollow cavity structure, a water inlet is formed in the outer side wall of the lower base, and a sealing cover is rotatably installed on the water inlet through threads.

Preferably: the inner side wall of the placing cavity is symmetrically provided with extrusion springs, and the other end of each extrusion spring is provided with an extrusion plate.

Preferably, the following components: the inner side wall of the extrusion plate is of a coarse structure.

The utility model discloses a technological effect and advantage:

1. the utility model discloses well adoption detection device can detect the permeability of the rock of same piece geology under different pressures, has solved the problem that current device can't measure rock permeability under different pressures, and work efficiency is high, and easy operation is convenient.

2. The utility model discloses in adopt the excavation pole structure, the excavation pole carries out the fluting processing on the rock surface, pours water into corresponding rock recess in, avoids experimental error too big, and the excavation pole is telescopic rod structure simultaneously, and the excavation pole is strikeed and is placed the chamber bottom for the water of placing the chamber bottom falls into the sponge that absorbs water, reduces experimental error.

Drawings

FIG. 1 is a front view of a rock permeability measuring device provided in an embodiment of the present application;

FIG. 2 is a cross-sectional top view of a rock permeability measurement device provided in an embodiment of the present application;

FIG. 3 is a cross-sectional bottom view of a rock permeability measurement device provided in an embodiment of the present application;

in the figure: 1. a work table; 2. a detection device; 21. a lower base; 22. an upper base; 23. a placement chamber; 24. controlling the cylinder; 25. a cover plate; 26. a pressure sensing unit; 27. a pressure display panel; 28. a limiting cavity; 29. a water-absorbing sponge; 211. a support column; 212. connecting a bracket; 213. a sealing cover; 221; an electronic scale; 222. a tray; 231. a compression spring; 232. a pressing plate; 241. \ 21274and a bracket; 242. opening a chisel rod; 11. a control panel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 3, in the present embodiment, a rock permeability measuring apparatus is provided, which includes a workbench 1 and a detection device 2, an operation panel 11 is installed on a front end surface of the workbench 1, and the detection device 2 is installed on an upper end surface of the workbench 1, when the apparatus works, the operation of the detection device 2 is controlled by the operation panel 11, and the detection device 2 can detect the permeability of rocks of the same geological formation under different pressures, so that the work efficiency is high.

The detection device 2 comprises a lower base 21, an upper base 22, a placing cavity 23, a control cylinder 24, a cover plate 25, a pressure sensing unit 26, a pressure display panel 27, a limiting cavity 28 and a water-absorbing sponge 29, wherein the lower base 21 is installed on the upper end surface of the workbench 1, the upper end surface of the lower base 21 is connected with the lower end surface of the upper base 22 through a support column 211, a plurality of limiting cavities 28 are installed on the upper end surface of the lower base 21 along the circumferential direction of the lower base, the water-absorbing sponge 29 is installed at the bottom in the limiting cavities 28, the placing cavity 23 is arranged above the limiting cavities 28, the outer side wall of the placing cavity 23 is connected with the upper end surface of the lower base 21 through a connecting support 212, the bottom of the placing cavity 23 is of a net-shaped structure with a plurality of filter holes, the control cylinder 24 is arranged above the placing cavity 23, the control cylinder 24 is arranged on the lower end face of the lower base 21, the output end of the control cylinder 24 is provided with a v-21274, the shape support 241 and a v-21274are provided with a cover plate 25 at the bottom of the shape support 241, a pressure sensing unit 26 is arranged at the bottom of the cover plate 25, a plurality of pressure display panels 27 are arranged on the outer side wall of the upper base 22 along the circumferential direction of the outer side wall, when the water-absorbing sponge storage device works, a plurality of rocks with the same geology are placed in the placing cavity 23, the pressure of each rock is set on the operation panel 11, the control cylinders 24 are controlled to be pressed down, the cover plate 25 is pressed down, the corresponding control cylinders 24 stop moving after the pressure display panels 27 display specified numerical values, at the moment, water is poured onto the rocks, and the water permeating the rocks falls onto the water-absorbing sponge 29 through the bottom of the placing cavity 23.

The electronic scale 221 is installed on the upper end face of the upper base 22, the tray 222 is installed on the upper end face of the electronic scale 221, and the electronic scale 221 measures the weight of the water penetrating the rock before and after the water absorption of the water absorption sponge 29, so that the weight of the water penetrating the rock is obtained, and the water permeability is further calculated.

The bottom of the bracket 241 is rotatably provided with a cutting rod 242 through screw threads, the bottom of the cutting rod 242 is conical, if water is directly poured on the surface of the rock, the water is easy to slide along the surface of the rock, at this moment, the upper chisel rod 242 is installed, the control cylinder 24 is started, grooving treatment is carried out on the surface of the rock, then the lower chisel rod 242 is taken down, water is poured into the corresponding rock groove, and the experiment error is avoided from being overlarge.

The utility model discloses a control cylinder 24, including cavity 23, division chisel pole 242, control cylinder 24, division chisel pole 242 is telescopic rod structure, adopts telescopic rod structure, is convenient for extend division chisel pole 242 to control the division chisel pole 242 and move down, division chisel pole 242 strikes and places the cavity 23 bottom, makes the water of placing the cavity 23 bottom fall into on the sponge 29 that absorbs water, reduces experimental error.

Lower base 21 is inside hollow cavity structures, and the water inlet has been seted up to lower base 21 lateral wall, rotates through the screw thread on the water inlet and installs sealed lid 213, and the during operation opens sealed lid 213, pours into cold water in lower base 21 for lower base 21 is in a suitable temperature environment all the time, has reduced the evaporation of moisture, has improved the accuracy of experiment.

It installs extrusion spring 231 to place 23 inside wall symmetries in chamber, and extrusion spring 231 installs the stripper plate 232 at the other end, adopts extrusion spring 231 structure to control stripper plate 232 fixes the rock of various sizes, has improved the extensive of subject.

Thereby it influences the experimental result to avoid the rock to take place to rotate that the stripper plate 232 inside wall is coarse structure, stripper plate 232 adopts coarse structure.

During specific work, put the polylith rock of same geology in placing chamber 23, install out chisel rod 242, start control cylinder 24, carry out the fluting processing on the rock surface, chisel rod 242 is taken off afterwards, the size of each pressure sets up on operating panel 11, control a plurality of control cylinders 24 and push down, apron 25 pushes down, the control cylinder 24 that corresponds behind the pressure display panel 27 demonstration appointed numerical value stops moving, at this moment pour water into the recess on the rock in, the water of infiltration rock falls on water-absorbing sponge 29 through placing chamber 23 bottom, electronic scale 221 measures the weight before and after water-absorbing sponge 29 absorbs water, thereby obtain the weight of the water of infiltration rock, further calculate the permeability of water.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. Structures, devices and methods of operation not specifically described or illustrated in the present application are not specifically illustrated or described, but are generally practiced in the art without limitation.

Claims

1. A rock permeability measuring device comprises a workbench (1) and a detecting device (2), and is characterized in that an operation panel (11) is installed on the end face of the front side of the workbench (1), and the detecting device (2) is installed on the end face of the workbench (1);

the detection device (2) comprises a lower base (21), an upper base (22), a placing cavity (23), a control cylinder (24), a cover plate (25), a pressure sensing unit (26), a pressure display panel (27), a limiting cavity (28) and a water absorption sponge (29), the upper end surface of the workbench (1) is provided with a lower base (21), the upper end surface of the lower base (21) is connected with the lower end surface of the upper base (22) through a support column (211), the upper end surface of the lower base (21) is provided with a plurality of limiting cavities (28) along the circumferential direction, the bottom of each limiting cavity (28) is provided with a water-absorbing sponge (29), a placing cavity (23) is arranged above each limiting cavity (28), the outer side wall of each placing cavity (23) is connected with the upper end surface of the lower base (21) through a connecting support (212), the bottom of each placing cavity (23) is of a net structure with a plurality of filter holes, a control cylinder (24) is arranged above each placing cavity (23), the control cylinder (24) is arranged on the lower end surface of the lower base (21), the output end of the control cylinder (24) is provided with a v-21274, the bottom of a cover plate (25) is provided with a pressure sensing unit (26), and the outer side wall of the upper base (22) is provided with a plurality of pressure display panels (27) along the circumferential direction;

an electronic scale (221) is installed on the upper end face of the upper base (22), and a tray (222) is installed on the upper end face of the electronic scale (221).

2. The device for determining the permeability of the rocks according to claim 1, wherein the 21274is characterized in that the bottom of the shaped bracket (241) is rotatably provided with an excavating rod (242) through a screw thread, and the bottom of the excavating rod (242) is of a conical structure.

3. A rock permeability measurement device according to claim 2, wherein the cutting rod (242) is a telescopic rod structure.

4. The device for measuring the permeability of rocks according to claim 1, wherein the lower base (21) is a hollow cavity structure, a water inlet is formed on the outer side wall of the lower base (21), and a sealing cover (213) is rotatably mounted on the water inlet through threads.

5. The apparatus for measuring permeability of rock according to claim 1, wherein the inner side wall of the placing cavity (23) is symmetrically provided with a pressing spring (231), and the other end of the pressing spring (231) is provided with a pressing plate (232).

6. A rock permeability measurement apparatus according to claim 5, wherein the inner side wall of the compression plate (232) is of a rough structure.