CN210037801U

CN210037801U - Rock core holder for rock core indoor experiment

Info

Publication number: CN210037801U
Application number: CN201920820161.3U
Authority: CN
Inventors: 王铭伟
Original assignee: Sichuan Xianran Petroleum Technology Co Ltd
Current assignee: Sichuan Xianran Petroleum Technology Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-07
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a rock core holder for rock core laboratory experiments, including holder shell, cover, impulse beam and handle, the drain pipe is installed through the through-hole screw thread to the one end of holder shell, and the holder shell other end surface is through the internal thread threaded connection who is equipped with external screw thread and cover inner wall, discharge valve is all installed through the through-hole screw thread on the holder shell of drain pipe both sides, the liquid flow check valve is installed through the through-hole screw thread to the intermediate position of holder shell one side, and the inside of holder shell installs the inner shell through set screw, the die-pin is all installed to the inside of liquid flow check valve. The utility model discloses an install discharge valve, the convenience is got rid of unnecessary gas during the use, increases the measuring degree of accuracy, and discharge valve's bottom is provided with the screw thread moreover, and the convenience is demolishd it and is cleared up.

Description

Rock core holder for rock core indoor experiment

Technical Field

The utility model relates to an experimental device application specifically is a rock core holder for rock core laboratory experiments.

Background

Because of the particularity of the energy sources, compared with the traditional mining and processing mode, the energy sources have great difference, for example, after a hot dry rock reservoir usually adopts hydraulic fracturing to form artificial heat storage, low-temperature cold water or carbon dioxide working solution is injected to extract heat energy; the oil shale is produced by adopting a ground ore dry distillation mode, has the problems of high cost, easy geological disaster, environmental pollution and the like, and is turned to underground high-temperature heating dry distillation production; in order to improve the recovery efficiency of shale oil and gas, heating is carried out in fractures formed by volume fracturing, so that the flow of crude oil and the desorption of gas are promoted; and the like, wherein the reservoir core and the reservoir fluid in the engineering application are influenced by high temperature or low temperature;

when the existing clamper is used for experiments, because redundant gas exists in the clamper, larger errors are generated during measurement;

if some parts have problems in the experimental process, the parts are inconvenient to replace, the clamp is inconvenient to clean after the experiment is finished, if the clamp is repeatedly used, the clamp is not cleaned and is easy to damage, and residual waste residues easily cause errors on measurement;

most holders at present push manually or extrude through a thread structure, so that the use is inconvenient, and the disassembly and the replacement are troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rock core holder for indoor experiment of rock core to solve the above-mentioned background art in the proposed in the experimentation if some part goes wrong, inconvenient change, inconvenient clearing up the holder after the experiment is ended, if used repeatedly the holder does not clear up the holder and damage the holder easily, remaining waste residue causes the error to measuring easily, most holders extrude or extrude through helicitic texture for manual promotion at present, it is very inconvenient to use, dismantle the problem of changing also more troublesome.

In order to achieve the above object, the utility model provides a following technical scheme: a rock core holder for rock core indoor experiments comprises a holder outer shell, a barrel cover, a push rod and a handle, wherein a liquid outlet pipe is installed at one end of the holder outer shell through threads, the surface of the other end of the holder outer shell is connected with the inner threads of the inner wall of the barrel cover through outer threads, exhaust valves are installed on the holder outer shell on the two sides of the liquid outlet pipe through-hole threads, a liquid flow one-way valve is installed at the middle position of one side of the holder outer shell through threads, an inner shell is installed inside the holder outer shell through fixing screws, a supporting rod is installed inside the liquid flow one-way valve, a baffle is installed at the top of the supporting rod in a welding mode, a sealing ring is installed between the baffle and the supporting rod, the baffle and the supporting rod are fixed inside the liquid flow one-way valve through the sealing ring, and one end of the pushing rod penetrates through the center of the handle to extend into the holder shell and is provided with a pushing disc through a cross screw, the bottom of the handle is provided with a trigger through a rivet, the top of the trigger is welded with a pushing sheet, the pushing sheet is arranged inside the handle and is sleeved on the pushing rod, the pushing rod on one side of the pushing sheet is sleeved with a long spring, the pushing sheet and the long spring are both positioned inside the handle, the pushing rod on the other side of the pushing sheet is sleeved with a short spring, the pushing rod on one side of the short spring, which is far away from the pushing sheet, is sleeved with a braking sheet, a rubber ring is arranged in the middle position of the braking sheet, and the short spring, the rubber ring and the braking sheet are all positioned at one end outside the handle.

Preferably, one end of the push rod extends out of the handle, and a part of the push rod extending out of the handle is semicircular.

Preferably, one end of the long spring is connected with the inner wall of the handle in a welding mode, the other end of the long spring is welded with one side of the pushing sheet, one end of the short spring is connected with the outer wall of the handle in a welding mode, the other end of the short spring is welded with one side of the rubber ring, and the top end of the braking sheet is hinged with the handle.

Preferably, the exhaust valves are provided with 2, and the 2 exhaust valves are symmetrically distributed about the central line of the liquid outlet pipe.

Preferably, the fixed spring is in a shape of 'soil', and the liquid flow one-way valve and the exhaust valve form a one-way flow structure through the fixed spring, the baffle plate, the sealing ring and the support rod.

Preferably, the top end of the brake block is connected with the handle through a connecting rod, the brake block and the handle form a turnover structure, the turnover angle range of the brake block and the handle is 0-45 degrees, an extension structure is formed between the trigger and the handle through a rivet and a long spring, and the extension angle range is 0-60 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the core holder for the core laboratory experiment is convenient to carry out,

1. the exhaust valve is arranged, so that redundant gas can be conveniently exhausted in use, the measuring accuracy is improved, and the bottom of the exhaust valve is provided with the threads, so that the exhaust valve can be conveniently detached and cleaned;

2. the holder shell is connected with the cylinder cover through internal threads and external threads, and the cylinder cover and the liquid outlet pipe are also in threaded connection with the holder shell, so that the holder is convenient to disassemble, assemble and clean, the cleanliness of the holder is kept, and the measurement error is reduced;

3. by arranging the tooth socket, the propelling piece, the rubber ring and the braking piece on the propelling rod, when the trigger is pulled, and because the angle between the rubber ring and the propelling rod is 135 degrees, a certain friction force exists between the rubber ring and the propelling rod, when the propelling rod moves leftwards, the downward end of the rubber ring can be slightly stirred leftwards along with the propelling rod, at the moment, the friction force between the rubber ring and the propelling rod is reduced, when the propelling rod moves rightwards, the propelling piece is driven to move rightwards, and the propelling piece and the propelling rod form a certain angle, so the propelling piece can apply a certain pressure to the propelling rod, at the moment, the friction between the rubber ring and the propelling rod is increased, the propelling rod is tightly bound under the action of the friction force and the pressure, thereby the propelling rod is prevented from rebounding under the counter-acting force of fluid, the trigger can be repeatedly pulled by arranging the long spring and the rivet, and the trigger can be repeatedly pulled, the propelling piece can continuously apply pressure to the propelling rod and continuously drive the propelling rod to move leftwards, so that the fluid can be conveniently extruded for experiment, and the operation is simple and labor-saving.

Drawings

FIG. 1 is a schematic view of the main structure of the core holder of the present invention;

FIG. 2 is a schematic view of a part of the structure of the core holder of the present invention;

FIG. 3 is a schematic view of the inner structure of the liquid flow check valve of the present invention;

fig. 4 is a schematic view of the propulsion disc structure of the present invention.

In the figure: 1. a holder housing; 2. a liquid flow check valve; 3. a cylinder cover; 4. a long spring; 5. a propulsion sheet; 6. a short spring; 7. a rubber ring; 8. a push rod; 9. a brake pad; 10. a handle; 11. a trigger; 12. riveting; 13. an inner shell; 14. a propulsion disc; 15. a set screw; 16. a through hole; 17. an exhaust valve; 18. a liquid outlet pipe; 19. an internal thread; 20. an external thread; 21. a baffle plate; 22. a seal ring; 23. fixing the spring; 24. a support rod; 25. a cross screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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, the present invention provides a technical solution: a rock core holder for rock core indoor experiments comprises a holder shell 1, a barrel cover 3, a push rod 8 and a handle 10, wherein a liquid outlet pipe 18 is installed at one end of the holder shell 1 through threads, the other end surface of the holder shell 1 is in threaded connection with an internal thread 19 of the inner wall of the barrel cover 3 through an external thread 20, exhaust valves 17 are installed on the holder shell 1 on two sides of the liquid outlet pipe 18 through threads of a through hole 16, a liquid flow check valve 2 is installed at the middle position of one side of the holder shell 1 through threads, an inner shell 13 is installed inside the holder shell 1 through a fixing screw 15, a supporting rod 24 is installed inside the liquid flow check valve 2, a baffle 21 is installed at the top of the supporting rod 24 in a welded mode, a sealing ring 22 is installed between the baffle 21 and the supporting rod 24, the baffle 21 and the supporting rod 24 are fixed inside the liquid flow check valve 2 through the sealing ring 22, a handle 10 is welded and installed at one end of the barrel cover 3, one end of a pushing rod 8 penetrates through the center of the handle 10 to extend into the holder shell 1 and is provided with a pushing disc 14 through a cross screw 25, a trigger 11 is installed at the bottom of the handle 10 through a rivet 12, a pushing sheet 5 is welded and installed at the top of the trigger 11, the pushing sheet 5 is arranged inside the handle 10 and is sleeved on the pushing rod 8, a long spring 4 is sleeved and installed on the pushing rod 8 at one side of the pushing sheet 5, the pushing sheet 5 and the long spring 4 are both located inside the handle 10, a short spring 6 is sleeved and installed on the pushing rod 8 at the other side of the pushing sheet 5, a brake sheet 9 is sleeved and installed on the pushing rod 8 at one side of the short spring 6 far away from the pushing sheet 5, a rubber ring 7 is arranged at the middle position of the brake sheet 9, and the short spring 6, the rubber ring 7 and the brake sheet 9 are;

one end of the push rod 8 extends out of the handle 10, and a part of the push rod 8 extending out of the handle 10 is semicircular, so that the position of the push rod 8 is convenient to limit, and the push rod 8 can be conveniently pulled out to work repeatedly;

one end of the long spring 4 is connected with the inner wall of the handle 10 in a welding mode, the other end of the long spring 4 is welded with one side of the propelling piece 5, one end of the short spring 6 is connected with the outer wall of the handle 10 in a welding mode, the other end of the short spring 6 is welded with one side of the rubber ring 7, the top end of the brake piece 9 is hinged with the handle 10, the force of the long spring 4 can act on the propelling piece 5, and the force of the short spring 6 can act on the rubber ring 7;

2 exhaust valves 17 are arranged, the 2 exhaust valves 17 are symmetrically distributed about the central line of the liquid outlet pipe 18, the exhaust valves 17 are convenient for exhausting the fluid in the clamping device during working, and the measurement accuracy is improved;

the fixed spring 23 is in a shape of 'soil', and the liquid flow one-way valve 2 and the exhaust valve 17 form a one-way circulation structure through the fixed spring 23, the baffle 21, the sealing ring 22 and the support rod 24, so that external air and impurities are prevented from entering the clamp holder, and the experimental result is influenced;

the top end of the brake block 9 is connected with the handle 10 through a connecting rod, the brake block 9 and the handle 10 form an overturning structure, the overturning angle range of the brake block 9 and the handle 10 is 0-45 degrees, an extending structure is formed between the trigger 11 and the handle 10 through the rivet 12 and the long spring 4, the extending angle range is 0-60 degrees, the experiment is convenient, and the operation is simple and labor-saving.

The working principle is as follows: in the experiment, the brake plate 9 is pressed to enable the position between the rubber ring 7 and the push rod 8 to form 90 degrees, the semicircular position at one end of the push rod 8 is grasped by hands, the push disc 14 at the other end of the push rod 8 is drawn out to the position near the outlet of the clamp, then fluid enters the clamp through the liquid flow one-way valve 2, one end of the handle 10 of the clamp is slightly inclined downwards, then the trigger 11 is pulled rightwards, the push sheet 5 at the top end of the trigger 11 moves leftwards and is mutually meshed with the tooth socket at the top end of the push rod 8, at the moment, the push sheet 5 applies certain pressure to the push rod 8 and pushes the push rod 8 to move leftwards, the push rod 8 drives the push disc 14 to move leftwards, gas is discharged out of the clamp through the exhaust valve 17, the trigger 11 is stopped being pulled until the fluid flows out of the liquid outlet pipe 18, then the clamp is horizontally placed, the trigger 11 is pulled to uniformly, measuring data such as fluid flow rate, after the experiment is finished, holding the cylinder cover 3 by hand to rotate the holder shell 1, separating the cylinder cover 3 from the holder shell 1, cleaning the holder, the push rod 8 and the push disc 14 by water, after the cleaning is finished, assembling the holder, wherein a certain friction force exists between the rubber ring 7 and the push rod 8 because the rubber ring 7 and the push rod 8 form 135 degrees, when the push rod 8 moves leftwards, the downward end of the rubber ring 7 can be slightly shifted leftwards along with the push rod 8, at the moment, the friction force between the rubber ring 7 and the push rod 8 is reduced, when the push rod 8 moves rightwards, the push sheet 5 can be driven to move rightwards, and the push sheet 5 and the push rod 8 form a certain angle, so that the push sheet 5 can apply a certain pressure to the push rod 8, and at the moment, the friction between the rubber ring 7 and the push rod 8 is increased, the push rod 8 is tightly bound under the action of friction force and pressure, so that the push rod 8 is prevented from rebounding under the reactive force of fluid, the trigger 11 can be repeatedly buckled through the long spring 4 and the rivet 12, when the trigger 11 is repeatedly buckled, the push piece 5 can continuously apply pressure to the push rod 8 and continuously drive the push rod 8 to move leftwards, and the fluid is conveniently extruded.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, welding among the prior art, and machinery, part all adopt conventional connection mode among the prior art, and here detailed description is not given again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a rock core holder for rock core laboratory experiments, includes holder shell (1), cover (3), pushing ram (8) and handle (10), its characterized in that: the clamp holder is characterized in that a liquid outlet pipe (18) is installed at one end of a clamp holder outer shell (1) through threads, the other end surface of the clamp holder outer shell (1) is connected with inner threads (19) of the inner wall of a barrel cover (3) through threads, exhaust valves (17) are installed on the clamp holder outer shell (1) on two sides of the liquid outlet pipe (18) through threads (16), a liquid flow check valve (2) is installed at the middle position of one side of the clamp holder outer shell (1) through threads, an inner shell (13) is installed in the clamp holder outer shell (1) through a fixing screw (15), a supporting rod (24) is installed in the liquid flow check valve (2), a baffle (21) is welded at the top of the supporting rod (24), a sealing ring (22) is installed between the baffle (21) and the supporting rod (24), and the baffle (21) and the supporting rod (24) are fixed in the liquid flow check valve (2) through the, a fixed spring (23) is welded at the top of the baffle plate (21), a handle (10) is welded at one end of the cylinder cover (3), one end of a push rod (8) penetrates through the center of the handle (10) to extend into the holder shell (1) and is provided with a push disc (14) through a cross screw (25), a trigger (11) is arranged at the bottom of the handle (10) through a rivet (12), a push sheet (5) is welded at the top of the trigger (11), the push sheet (5) is arranged inside the handle (10) and is sleeved on the push rod (8), a long spring (4) is sleeved on the push rod (8) at one side of the push sheet (5), the push sheet (5) and the long spring (4) are both positioned inside the handle (10), a short spring (6) is sleeved on the push rod (8) at the other side of the push sheet (5), and a sleeve joint brake block (9) is sleeved on the push rod (8) at one side of the short spring (6) far away from the push sheet (5), a rubber ring (7) is arranged in the middle of the brake block (9), and the short spring (6), the rubber ring (7) and the brake block (9) are all arranged at one end outside the handle (10).

2. The core holder for core laboratory experiments as claimed in claim 1, wherein: one end of the push rod (8) extends to the outer side of the handle (10), and part of the push rod (8) on the outer side of the handle (10) is semicircular.

3. The core holder for core laboratory experiments as claimed in claim 1, wherein: one end of the long spring (4) is connected with the inner wall of the handle (10) in a welding mode, the other end of the long spring (4) is welded with one side of the pushing sheet (5), one end of the short spring (6) is connected with the outer wall of the handle (10) in a welding mode, the other end of the short spring (6) is welded with one side of the rubber ring (7), and the top end of the braking sheet (9) is hinged with the handle (10).

4. The core holder for core laboratory experiments as claimed in claim 1, wherein: the number of the exhaust valves (17) is 2, and the 2 exhaust valves (17) are symmetrically distributed around the central line of the liquid outlet pipe (18).

5. The core holder for core laboratory experiments as claimed in claim 1, wherein: the fixed spring (23) is in a shape of 'soil', and the liquid flow one-way valve (2) and the exhaust valve (17) form a one-way flow structure through the fixed spring (23), the baffle plate (21), the sealing ring (22) and the support rod (24).

6. The core holder for core laboratory experiments as claimed in claim 1, wherein: the top end of the brake block (9) is connected with the handle (10) through a connecting rod, the brake block (9) and the handle (10) form a turnover structure, the turnover angle range of the brake block (9) and the handle (10) is 0-45 degrees, an extension structure is formed between the trigger (11) and the handle (10) through a rivet (12) and a long spring (4), and the extension angle range is 0-60 degrees.