CN218512273U

CN218512273U - Rock permeability testing device

Info

Publication number: CN218512273U
Application number: CN202222910740.1U
Authority: CN
Inventors: 张田雨
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-21
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a rock permeability testing arrangement, comprising a base plate, the bottom fixed mounting of bottom plate has the base, the inside fixed mounting of bottom plate has the pressure cylinder, the top fixed mounting of bottom plate has actuating mechanism, the top fixed mounting of bottom plate has the water tank, the left side fixed mounting of water tank has first connecting pipe, the top fixed mounting of bottom plate has the water pump case, the output end fixedly connected with second connecting pipe of water pump case, the flowmeter is installed alive at the top of second connecting pipe, the left side movable mounting who adds the pressure cylinder has the manometer, the top fixed mounting of bottom plate has fixed case, the inside fixed mounting of fixed case has the bearing plate. This rock permeability testing arrangement makes testing arrangement when using through setting up actuating mechanism, has possessed and has carried out the pressurized function of secondary automatically, after the water pump is preliminary pressurizeed, through the secondary pressurization, can accelerate the injection of water, and the very big time that shortens the test promotes the efficiency of test.

Description

Rock permeability testing device

Technical Field

The utility model relates to a rock permeability technical field specifically is a rock permeability testing arrangement.

Background

The flow of fluid (usually underground water and oil) in rock under the action of power is called rock seepage, the property of rock penetrated by fluid is called rock permeability, and rock permeability has important influence on the mechanical properties of rock, and can change the stress characteristics of rock, so that the rock is deformed, cracked, softened, argillized or eroded, thereby endangering the stability of rock mass, therefore rock permeability is one of the main research contents of rock mechanics.

For example, the rock permeability testing device of chinese patent No. 201721548463.7, which is provided with a piston rod, a movable rod and other structures, can pressurize for the second time after the testing device is pressurized for the first time by a water pump, and can greatly shorten the testing time by squeezing the water in the pressurizing cylinder, so as to improve the testing efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rock permeability testing arrangement possesses advantages such as automatic secondary pressurization, has solved and has come to extrude the inside water of pressurized cylinder through manual rotation and carry out the secondary pressurization, because the permeability of part rock is relatively poor, and manual rotation extrudees, and is hard relatively, still accompanies manual rotation's dynamics insufficient, can't carry out the effectual circumstances of pressurizeing, uses convenient problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: a rock permeability testing device comprises a bottom plate, wherein a base is fixedly mounted at the bottom of the bottom plate, a pressurizing cylinder is fixedly mounted inside the bottom plate, a driving mechanism is fixedly mounted at the top of the bottom plate, a water tank is fixedly mounted at the top of the bottom plate, a first connecting pipe is fixedly mounted on the left side of the water tank, a water pump box is fixedly mounted at the top of the bottom plate, a second connecting pipe is fixedly connected with the output end of the water pump box, a flowmeter is movably mounted at the top of the second connecting pipe, a pressure gauge is movably mounted at the left side of the pressurizing cylinder, a fixed box is fixedly mounted at the top of the bottom plate, a bearing plate is fixedly mounted inside the fixed box, a control box is movably mounted on the inner bottom wall of the fixed box, a power supply box is movably mounted at the top of the bearing plate, a water injection pipe is fixedly mounted at the bottom of the pressurizing cylinder, a rock body is arranged at the bottom of the base, and a permeation hole is formed in the rock body;

the driving mechanism comprises a driving box, the top of the bottom plate is fixedly provided with the driving box, the inner bottom wall of the driving box is fixedly provided with a motor, an output shaft of the motor is fixedly connected with a screw rod, the outer surface of the screw rod is sleeved with a moving block, the right side of the moving block is fixedly provided with a connecting rod, the right side of the connecting rod is fixedly provided with a push block, the bottom of the push block is fixedly provided with a push rod, and the bottom of the push rod is fixedly provided with a push plate.

Furthermore, a sliding groove is formed in the left side wall of the driving box, a sliding block is arranged on the left side of the moving block, and the left side of the sliding block is movably connected to the inside of the sliding groove.

Furthermore, a moving groove is formed in the right side wall of the driving box, and the connecting rod is located inside the moving groove.

Furthermore, a thread groove matched with the outer surface of the screw rod is formed in the moving block, and a sealing gasket is arranged at the bottom of the push plate.

Further, the bottom of pressure cylinder is provided with sealed piece, and sealed piece is the T type, and the output of second connecting pipe extends to the inside of pressure cylinder.

Further, the quantity of base is two, and the inside of two bases all is provided with four bolts, and the top of water tank is provided with the inlet tube.

Further, the bottom of push rod extends to the inside of pressure cylinder, and the push pedal is located the inside of pressure cylinder, and the inside of bottom plate offer with the fixed orifices of pressure cylinder looks adaptation, the bottom of pressure cylinder extends to the below of bottom plate.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this rock permeability testing arrangement, make testing arrangement when using through setting up actuating mechanism, the function of carrying out the secondary pressurization automatically has been possessed, after the preliminary pressurization of water pump, through the secondary pressurization, can accelerate the injection of water, very big time that shortens the test, promote the efficiency of test, the device is through manual rotatory mode, the manual work carries out the pressurization after extrudeing to water and pours into to the rock of test into, there is the defect, after needs pressor dynamics is greater than artificial dynamics, the manual work just can't carry out the pressurization of secondary, simultaneously through the mode of manual rotation, artificial intensity of labour has been increased, it is not convenient enough to use, it is difficult to master pressor dynamics to be difficult to, this problem has been solved to actuating mechanism's setting is effectual, make testing arrangement can carry out the secondary pressurization automatically, can be better grasp pressor dynamics, compare in artificial operation mode, and is more practical.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the structure of the present invention;

FIG. 3 is a structural diagram of the structural bottom plate of the present invention;

fig. 4 is a structural diagram of the structure driving mechanism of the present invention.

In the figure: 1. a base plate; 2. a base; 3. pressurizing a cylinder; 4. a drive mechanism; 401. a drive box; 402. a motor; 403. a screw; 404. a moving block; 405. a connecting rod; 406. a push block; 407. a push rod; 408. pushing the plate; 5. a water tank; 6. a first connecting pipe; 7. a water pump tank; 8. a second connection pipe; 9. a flow meter; 10. a pressure gauge; 11. a stationary box; 12. a bearing plate; 13. a control box; 14. a power supply box; 15. a water injection pipe; 16. a rock body; 17. and (5) permeating the pores.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a rock permeability testing device in this embodiment includes a bottom plate 1, a base 2 is fixedly installed at the bottom of the bottom plate 1, a pressurizing cylinder 3 is fixedly installed inside the bottom plate 1, a driving mechanism 4 is fixedly installed at the top of the bottom plate 1, a water tank 5 is fixedly installed at the top of the bottom plate 1, a first connecting pipe 6 is fixedly installed at the left side of the water tank 5, a water pump tank 7 is fixedly installed at the top of the bottom plate 1, a second connecting pipe 8 is fixedly connected to an output end of the water pump tank 7, a flow meter 9 is movably installed at the top of the second connecting pipe 8, a pressure gauge 10 is movably installed at the left side of the pressurizing cylinder 3, a fixed tank 11 is fixedly installed at the top of the bottom plate 1, a bearing plate 12 is fixedly installed inside the fixed tank 11, a control box 13 is movably installed on an inner bottom wall of the fixed tank 11, a power supply box 14 is movably installed at the top of the bearing plate 12, a water injection pipe 15 is fixedly installed at the bottom of the pressurizing cylinder 3, a rock body 16 is installed at the bottom of the base 2, and a permeation hole 17 is formed inside the rock body 16;

the driving mechanism 4 comprises a driving box 401, the driving box 401 is fixedly mounted at the top of the bottom plate 1, a motor 402 is fixedly mounted on the inner bottom wall of the driving box 401, a screw 403 is fixedly connected to an output shaft of the motor 402, a moving block 404 is sleeved on the outer surface of the screw 403, a connecting rod 405 is fixedly mounted on the right side of the moving block 404, a push block 406 is fixedly mounted on the right side of the connecting rod 405, a push rod 407 is fixedly mounted at the bottom of the push block 406, and a push plate 408 is fixedly mounted at the bottom of the push rod 407.

Laminating rock body 16 that setting through base 2 can be better, simultaneously can also fix bottom plate 1 on rock body 16, make laminating infiltration hole 17 that sealed piece can be inseparable, in order to guarantee its leakproofness, bottom plate 1's setting can carry out certain fixed to pressurization jar 3, water tank 5 can supply water, first connecting pipe 6 and second connecting pipe 8 can be connected water tank 5 and water pump box 7, thereby realize carrying out preliminary pressurization water injection to pressurization jar 3 inside, fixed box 11 can protect control box 13 and power box 14, control box 13 can drive device, power box 14 can be for equipment power supply.

When in implementation, the method comprises the following steps:

1) The motor 402 is started to rotate, the screw 403 is further driven to rotate, and the moving block 404 can move up and down along with the rotation of the screw 403 due to the arrangement of the sliding groove, the sliding block and the threaded groove;

2) Then, due to the arrangement of the moving groove, the moving block 404 can drive the connecting rod 405 to move, further drive the pushing block 406 to move, and simultaneously drive the pushing rod 407 to move up and down;

3) Then, the push plate 408 can be driven to move up and down by the up-and-down movement of the push rod 407, water in the pressurizing cylinder 3 is extruded downwards by the up-and-down movement of the push plate 408, the injection pressure of the water is increased, and the water enters the permeation hole 17 through the main water pipe;

4) Finally, when the injected water reaches a certain amount, the injected amount of the water is balanced at a stable value, the flowmeter 9 and the pressure gauge 10 display data, and then the permeability of the rock body 16 can be calculated according to the data.

In conclusion, this rock permeability testing arrangement, make testing arrangement when using through setting up actuating mechanism 4, the function that has possessed the automatic secondary pressurization that carries on, after the preliminary pressurization of water pump, through the secondary pressurization, can accelerate the injection of water, the very big time that shortens the test, promote the efficiency of test, the device is through the mode of manual rotation, the manual work is carried out the pressurization and is injected into the rock of test after carrying out the extrusion to water, there is the defect, after the dynamics that needs the pressurization is greater than manual work dynamics, the manual work just can't carry out the pressurization of secondary, simultaneously through the mode of manual rotation, artificial intensity of labour has been increased, it is not convenient enough to use, it is difficult to master the dynamics of pressurization, actuating mechanism 4 sets up this problem of effectual solution, make testing arrangement can carry out the secondary pressurization automatically, can be better master to the dynamics of pressurization, compare in manual operation mode, and be more practical.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rock permeability testing arrangement, includes bottom plate (1), its characterized in that: the bottom of the bottom plate (1) is fixedly provided with a base (2), the interior of the bottom plate (1) is fixedly provided with a pressurizing cylinder (3), the top of the bottom plate (1) is fixedly provided with a driving mechanism (4), the top of the bottom plate (1) is fixedly provided with a water tank (5), the left side of the water tank (5) is fixedly provided with a first connecting pipe (6), the top of the bottom plate (1) is fixedly provided with a water pump box (7), the output end of the water pump box (7) is fixedly connected with a second connecting pipe (8), the top of the second connecting pipe (8) is movably provided with a flowmeter (9), the left side of the pressurizing cylinder (3) is movably provided with a pressure gauge (10), the top of the bottom plate (1) is fixedly provided with a fixed box (11), the interior of the fixed box (11) is fixedly provided with a bearing plate (12), the inner bottom wall of the fixed box (11) is movably provided with a control box (13), the top of the power supply plate (12) is movably provided with a box (14), the bottom of the pressurizing cylinder (3) is fixedly provided with a water injection pipe (15), the bottom of the base (2) is provided with a rock penetrating hole (16), and the rock body (17) is provided with an inner hole;

the driving mechanism (4) comprises a driving box (401), the top of the base plate (1) is fixedly provided with the driving box (401), the inner bottom wall of the driving box (401) is fixedly provided with a motor (402), an output shaft of the motor (402) is fixedly connected with a screw rod (403), the outer surface of the screw rod (403) is sleeved with a moving block (404), the right side of the moving block (404) is fixedly provided with a connecting rod (405), the right side of the connecting rod (405) is fixedly provided with a push block (406), the bottom of the push block (406) is fixedly provided with a push rod (407), and the bottom of the push rod (407) is fixedly provided with a push plate (408).

2. The rock permeability testing apparatus of claim 1, wherein: a sliding groove is formed in the left side wall of the driving box (401), a sliding block is arranged on the left side of the moving block (404), and the left side of the sliding block is movably connected to the inside of the sliding groove.

3. The rock permeability testing apparatus of claim 1, wherein: the right side wall of the driving box (401) is provided with a moving groove, and the connecting rod (405) is located inside the moving groove.

4. The rock permeability testing apparatus of claim 1, wherein: the inside of the moving block (404) is provided with a thread groove matched with the outer surface of the screw rod (403), and the bottom of the push plate (408) is provided with a sealing gasket.

5. The rock permeability testing apparatus of claim 1, wherein: the bottom of pressure cylinder (3) is provided with sealed piece, and sealed piece is the T type, and the output of second connecting pipe (8) extends to the inside of pressure cylinder (3).

6. The rock permeability testing apparatus of claim 1, wherein: the quantity of base (2) is two, and the inside of two base (2) all is provided with four bolts, and the top of water tank (5) is provided with the inlet tube.

7. The rock permeability testing apparatus of claim 1, wherein: the bottom end of the push rod (407) extends to the inside of the pressurizing cylinder (3), the push plate (408) is located inside the pressurizing cylinder (3), the bottom plate (1) is provided with a fixing hole matched with the pressurizing cylinder (3), and the bottom of the pressurizing cylinder (3) extends to the lower portion of the bottom plate (1).