CN207650072U - Rock permeability testing device - Google Patents
Rock permeability testing device Download PDFInfo
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- CN207650072U CN207650072U CN201721548463.7U CN201721548463U CN207650072U CN 207650072 U CN207650072 U CN 207650072U CN 201721548463 U CN201721548463 U CN 201721548463U CN 207650072 U CN207650072 U CN 207650072U
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- pressurized cylinder
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Abstract
The utility model discloses a kind of rock permeability testing devices, are related to rock permeability experimental technique field, and seepage velocity is slow when solving to test rock permeability using water pump or water column dead weight, and test period is long, the low problem of test efficiency.The technical solution adopted in the utility model is：Rock permeability testing device, including pressurized cylinder, piston, piston rod and feed pipe, fixed mechanism is arranged in the outside of pressurized cylinder, the outside of pressurized cylinder is installed by pressure gauge, pressurized cylinder built-in piston, external screw thread and the fillet of screw are set between the fixed ring on the inside of the inlet of piston rod and pressurized cylinder, and the exit of pressurized cylinder connects water injection conduit.Instrument connection is opened up on rock sample, sealing-plug is worn on water injection conduit, then mounted on the instrument connection opening of rock sample, feed pipe passes through the water filling into pressurized cylinder of fixed ring and piston, the water of injection to flow into instrument connection by water injection conduit.Piston rod is rotated, piston, which pushes, increases hydraulic pressure, accelerates the seepage velocity of water, improves rock permeability conventional efficient.
Description
Technical field
The utility model is related to rock permeability experimental technique field, specifically a kind of rock permeability testing devices.
Background technology
Flowing of the fluid (being often referred to underground water and oil) under power effect in rock is known as rock seepage flow, rock quilt
The performance that fluid oozed is known as the permeability of rock.Rock permeability has mechanical properties of rock important influence, it can change
The stress characteristic for becoming rock, causes rock deformation, rupture, softening, argillization or corrosion, to jeopardize the stability of rock mass, therefore
Rock permeability is one of main research of rock mechanics.
Currently, usually testing the permeability of rock by packer permeability test, that is, water pump or water column is utilized to conduct oneself with dignity, by clear water pressure
Enter boring test section, according to the relationship of the water and application pressure size that are pressed into certain time, calculates rock mass with respect to water penetration
With the experiment for understanding cranny development degree.But in practical application, since the permeability of part rock is poor, single utilization water pump
Its seepage velocity of pressure progress packer permeability test is slower, and test period is longer, and test efficiency is low.
Utility model content
The utility model provides a kind of rock permeability testing device, solves to ooze using water pump or water column dead weight test rock
Seepage velocity is slow when permeability, and test period is longer, the low problem of test efficiency.
Technical solution adopted by the utility model to solve its technical problems is：Rock permeability testing device, including add
Pressurized cylinder can be fixed on the fixed mechanism on rock by the outside setting of cylinder pressure, piston, piston rod and feed pipe, pressurized cylinder, be added
Pressure gauge is installed in the outside of cylinder pressure, and the exit of pressurized cylinder built-in piston, pressurized cylinder connects water injection conduit, worn on water injection conduit
Sealing-plug；Fixed ring is set on the inside of the inlet of pressurized cylinder, circle is threaded in fixed ring, the outside of piston rod is arranged and fixes
The compatible external screw thread of the fillet of screw of ring, piston rod is located in fixed ring and one end is connect with piston；Feed pipe passes through fixed ring
It is arranged with piston, the entrance of feed pipe is located at outside pressurized cylinder, and the outlet of feed pipe is located at the chamber between piston and pressurized cylinder outlet
In body.
Instrument connection is opened up on rock sample, sealing-plug is worn on water injection conduit, then the sealing-plug for being installed with water injection conduit is installed
In the inner wall of the instrument connection opening of rock sample, it is desirable that keep sealing.Pressurized cylinder is fixed on rock sample by fixed mechanism, then by
The water of feed pipe water filling into pressurized cylinder, injection flows into instrument connection by water injection conduit.Piston rod is rotated, the spiral shell of fixed ring is passed through
The externally threaded cooperation of line circle and piston rod, piston, which pushes, increases hydraulic pressure, to accelerate the seepage velocity of water, improves rock permeability
The efficiency of experiment.
It is further：It is rotatably connected between the piston and piston rod.
Specifically, the piston is in the side of pressurized cylinder entrance fixed installation fixture block, side of the fixture block far from piston
Heart position opens up groove, installs bearing in groove, piston rod rotation is set in bearing.
Specifically, the fixed mechanism is：The exit both sides of pressurized cylinder are symmetrically arranged two cross bars, vertical on cross bar
It is welded to connect fixed link, the end of fixed link is the tip that can be embedded in rock mass.
It pressurizes for the ease of rotation piston, handle is arranged in the one end of piston rod far from connection piston.Alternatively, the work
Stopper rod is located at one end on the outside of pressurized cylinder triangular in shape, square, regular pentagon or regular hexagon；Or piston rod is located at pressurization
Channel opening is arranged in one end on the outside of cylinder, and the shape of channel opening is triangle, square, regular pentagon or regular hexagon.With suitable
The tool matched, you can effortlessly rotate piston rod.
It is further：The piston rod is located at one end on the outside of pressurized cylinder and circular channel opening, channel opening inner wall is arranged
At least one limiting slot of upper setting, be slidably installed in channel opening fixed column, the limited block of the upper setting respective numbers of fixed column, limit
Position block is slidably mounted in limiting slot；One end of the close channel opening of fixed column is rotatably mounted two motion bars.
Motion bar is accommodated in the channel opening of piston rod, and motion bar is proposed out of channel opening, and rotation motion bar makes activity
Bar and piston rod are vertical, you can rotate piston rod by motion bar.
It is further：The total height of the motion bar and fixed column is consistent with the depth of channel opening of piston rod, activity
The end of bar is welded with kelly.
It is further：Rock permeability testing device further includes water pump, and the water outlet of water pump is connected with feed pipe, water pump
Flowmeter and check valve are set on the pipeline between feed pipe.
The utility model has the beneficial effects that：Rock permeability testing device is by piston quickly and easily in pressurized cylinder
Water carry out secondary pressurized, improve water penetrate into rock speed, improve rock permeability experiment efficiency.
Description of the drawings
Fig. 1 is schematic diagram when the utility model rock permeability testing device uses.
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.
Parts, position and number in figure：Pressurized cylinder 1, piston 2, piston rod 3, feed pipe 4, pressure gauge 5, water injection conduit
6, fixed ring 7, fixture block 8, bearing 9, cross bar 10, fixed link 11, channel opening 12, fixed column 13, limited block 14, motion bar 15, card
Bar 16, water pump 17, flowmeter 18, check valve 19；Rock sample 20, instrument connection 21, sealing-plug 22, water tank 23.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model rock permeability testing device, including pressurized cylinder 1, piston 2, piston rod 3 and confession
Pressurized cylinder 1 can be fixed on the fixed mechanism on rock sample 20 by the outside setting of water pipe 4, pressurized cylinder 1, such as fixed mechanism is：Add
The exit both sides of cylinder pressure 1 are symmetrically arranged two cross bars 10, and fixed link 11 is vertically welded to connect on cross bar 10, fixed link 11
End is the tip that can be embedded in rock mass.
Pressure gauge 5 is installed in the outside of pressurized cylinder 1, for the hydraulic pressure in monitoring pressure cylinder.For example, by using model YX60's
Pressure gauge monitors the pressure of water in pressurized cylinder 4 in real time.1 built-in piston 2 of pressurized cylinder, the exit connection note of pressurized cylinder 1
Water conduit 6 wears sealing-plug 22 on water injection conduit 6.Water injection conduit 6 is used for the water filling into the instrument connection 21 of rock sample 20, and seals
Plug 22 is for keeping the closed of instrument connection 21.Fixed ring 7 is set on the inside of the inlet of pressurized cylinder 1, and fixed ring 7 is fixed on pressurized cylinder
On the inside of 1 inlet or fixed ring 7 is integral with pressurized cylinder 1.Circle, the outside of piston rod 3 are threaded in fixed ring 7
External screw thread compatible with the fillet of screw of fixed ring 7 is set, i.e. piston rod 3 is lead screw and coordinates with fixed ring 7.3, piston rod
In fixed ring 7 and lower end is connect with piston 2, by rotating piston rod 3, pushes the moving up and down in pressurized cylinder 1 of piston 2.
Piston rod 3 may be directly connected on piston 2.In order to avoid piston 2 as piston rod 3 rotates, piston 2 and piston rod
It is rotatably connected between 3.Specifically, fixture block 8 is fixedly mounted close to the side of 1 entrance of pressurized cylinder in piston 2, and fixture block 8 is far from piston 2
Side center open up groove, bearing 9 is installed, the rotation of piston rod 3 is set in bearing 9 in groove.
Feed pipe 4 passes through fixed ring 7 and piston 2 to be arranged, and keeps closed between feed pipe 4 and piston 2.Feed pipe 4 enters
Mouth is located at outside pressurized cylinder 1, and for being connect with water pump 17, the outlet of feed pipe 4 is located at the chamber between piston 2 and the outlet of pressurized cylinder 1
In body.
When carrying out Permeability of rock test, such as Fig. 1 opens up instrument connection 21 on rock sample 20, is worn on water injection conduit 6 first
Sealing-plug 22, then by be installed with water injection conduit 6 sealing-plug 22 be mounted on rock sample 20 21 opening of instrument connection inner wall, sealing-plug
22 and instrument connection 21 shape matching, such as be cylindric, to ensure to seal.Secondly, pressurized cylinder 1 is consolidated by fixed mechanism
It is inserted into rock sample 20 due on rock sample 20, such as by fixed link 11, then from the water filling into pressurized cylinder 1 of feed pipe 4, the water of injection passes through
Water injection conduit 6 flows into instrument connection 21.Again, piston rod 3 is rotated, the externally threaded of the fillet of screw of fixed ring 7 and piston rod 3 is passed through
Cooperation, piston 2, which pushes, increases hydraulic pressure, to accelerate the seepage velocity of water, improves the efficiency of rock permeability experiment.Feed pipe 4 enters
Mouth is connect with water pump 17, and the entrance of water pump 17 is connected to water tank 23, and flow is arranged on the pipeline between water pump 17 and feed pipe 4
Table 18 and check valve 19.Check valve 19 avoids flowing back.Specifically, using the flowmeter of model NU.ER.T.-1 to infiltration
Water flow measures.
Due to being pressed through rotary-piston bar 3 and realize to pressurized cylinder 1, pressurize for ease of rotation piston 2, piston
Handle is arranged in the one end of bar 3 far from connection piston 2.Alternatively, one end that the piston rod 3 is located at the outside of pressurized cylinder 1 it is triangular in shape,
Square, regular pentagon or regular hexagon；Or piston rod 3 is located at one end setting channel opening 12 in 1 outside of pressurized cylinder, channel opening
12 shape is triangle, square, regular pentagon or regular hexagon.Coordinate the tool of adaptation, you can effortlessly rotate piston
Bar 3.
The another embodiment of piston rod 3 is as shown in Fig. 2, one end setting slot that piston rod 3 is located at 1 outside of pressurized cylinder is opened
Mouth 12, channel opening 12 can be prismatic shape, or cylindrical.At least one limiting slot is set on the inner wall of channel opening 12, is limited
The direction of position slot is axial consistent with piston rod 3, and the upper setting of the fixed column that is slidably installed in channel opening 12 13, fixed column 13 is corresponding
The limited block 14 of quantity, limited block 14 are slidably mounted in limiting slot.For example, being symmetrically arranged two on the inner wall of channel opening 12
Limiting slot, correspondingly, two limited blocks 14 of upper setting of fixed column 13.One end of the close channel opening 12 of fixed column 13 is rotatable
Ground is installed by two motion bars 15.Motion bar 15 can be accommodated in the channel opening 12 of piston rod 3 in this way, when needing to take out motion bar 15
When going out as handle, motion bar 15 is proposed out of channel opening 12, rotation motion bar 15 keeps motion bar 15 and piston rod 3 vertical,
Piston rod 3 can be rotated by motion bar 15.For the ease of extracting motion bar 15 out, the total height of motion bar 15 and fixed column 13 with
The depth of the channel opening 12 of piston rod 3 is consistent, and the end of motion bar 15 is welded with kelly 16.It can easily be taken out by kelly 16
Go out motion bar 15.
Rock permeability testing device quickly and easily carries out secondary pressurized by piston 2 to the water in pressurized cylinder 1, improves
Water penetrates into the speed of rock, improves the efficiency of rock permeability experiment.
Claims (9)
1. rock permeability testing device, it is characterised in that：Including pressurized cylinder (1), piston (2), piston rod (3) and feed pipe
(4), pressurized cylinder (1) can be fixed on the fixed mechanism on rock, the outside peace of pressurized cylinder (1) by the outside setting of pressurized cylinder (1)
Fill pressure gauge (5), pressurized cylinder (1) built-in piston (2), the exit connection water injection conduit (6) of pressurized cylinder (1), water injection conduit (6)
On wear sealing-plug (22)；Setting fixed ring (7) on the inside of the inlet of pressurized cylinder (1), fixed ring (7) is interior to be threaded circle, living
The outside of stopper rod (3) is arranged external screw thread compatible with the fillet of screw of fixed ring (7), piston rod (3) be located at fixed ring (7) it is interior and
One end is connect with piston (2)；Feed pipe (4) passes through fixed ring (7) and piston (2) to be arranged, and the entrance of feed pipe (4) is located at pressurization
Outside, the outlet of feed pipe (4) is located in the cavity between piston (2) and pressurized cylinder (1) outlet cylinder (1).
2. rock permeability testing device as described in claim 1, it is characterised in that：The piston (2) and piston rod (3) it
Between be rotatably connected.
3. rock permeability testing device as claimed in claim 2, it is characterised in that：The piston (2) is close to pressurized cylinder (1)
Fixture block (8) is fixedly mounted in the side of entrance, and side center of the fixture block (8) far from piston (2) opens up groove, installed in groove
Bearing (9), piston rod (3) rotation are set in bearing (9).
4. rock permeability testing device as described in claim 1, it is characterised in that：The fixed mechanism is：Pressurized cylinder (1)
Exit both sides be symmetrically arranged two cross bars (10), be vertically welded to connect fixed link (11), fixed link on cross bar (10)
(11) end is the tip that can be embedded in rock mass.
5. rock permeability testing device as described in claim 1, it is characterised in that：The piston rod (3) is lived far from connection
Handle is arranged in the one end for filling in (2).
6. rock permeability testing device as described in claim 1, it is characterised in that：The piston rod (3) is located at pressurized cylinder
(1) one end on the outside of is triangular in shape, square, regular pentagon or regular hexagon；Or piston rod (3) is located at pressurized cylinder (1) outside
Channel opening is arranged in one end of side, and the shape of channel opening is triangle, square, regular pentagon or regular hexagon.
7. rock permeability testing device as described in claim 1, it is characterised in that：The piston rod (3) is located at pressurized cylinder
(1) circular channel opening (12) is arranged in one end on the outside of, and at least one limiting slot, channel opening is arranged on channel opening (12) inner wall
(12) be slidably installed fixed column (13) in, the limited block (14) of the upper setting respective numbers of fixed column (13), and limited block (14) is sliding
It is dynamic to be mounted in limiting slot；One end of the close channel opening (12) of fixed column (13) is rotatably mounted two motion bars (15).
8. rock permeability testing device as claimed in claim 7, it is characterised in that：The motion bar (15) and fixed column
(13) total height is consistent with the depth of channel opening (12) of piston rod (3), and the end of motion bar (15) is welded with kelly
(16)。
9. rock permeability testing device as described in claim 1, it is characterised in that：Rock permeability testing device further includes
The water outlet of water pump (17), water pump (17) is connected with feed pipe (4), is arranged on the pipeline between water pump (17) and feed pipe (4)
Flowmeter (18) and check valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548463.7U CN207650072U (en) | 2017-11-17 | 2017-11-17 | Rock permeability testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548463.7U CN207650072U (en) | 2017-11-17 | 2017-11-17 | Rock permeability testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650072U true CN207650072U (en) | 2018-07-24 |
Family
ID=62889363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721548463.7U Active CN207650072U (en) | 2017-11-17 | 2017-11-17 | Rock permeability testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650072U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470621A (en) * | 2018-12-13 | 2019-03-15 | 重庆科技学院 | A kind of measuring device for formation permeability |
| CN109596500A (en) * | 2019-01-21 | 2019-04-09 | 信阳师范学院 | Sillar single side holds hydraulic pressure seepage simulation experimental rig and test method |
| CN109682738A (en) * | 2019-01-22 | 2019-04-26 | 中化地质矿山总局福建地质勘查院 | Surveying device and surveying method for mineral resource permeability |
| CN109946214A (en) * | 2019-04-10 | 2019-06-28 | 中冶集团武汉勘察研究院有限公司 | Rock permeability saturation testing device and infiltration, saturation testing method |
| CN113495048A (en) * | 2021-09-08 | 2021-10-12 | 南通华兴石油仪器有限公司 | High-pressure seepage test device |
-
2017
- 2017-11-17 CN CN201721548463.7U patent/CN207650072U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470621A (en) * | 2018-12-13 | 2019-03-15 | 重庆科技学院 | A kind of measuring device for formation permeability |
| CN109470621B (en) * | 2018-12-13 | 2021-01-26 | 重庆科技学院 | Measuring device for rock stratum permeability |
| CN109596500A (en) * | 2019-01-21 | 2019-04-09 | 信阳师范学院 | Sillar single side holds hydraulic pressure seepage simulation experimental rig and test method |
| CN109596500B (en) * | 2019-01-21 | 2024-04-02 | 信阳师范学院 | Rock single-sided bearing water pressure seepage simulation test device and test method |
| CN109682738A (en) * | 2019-01-22 | 2019-04-26 | 中化地质矿山总局福建地质勘查院 | Surveying device and surveying method for mineral resource permeability |
| CN109682738B (en) * | 2019-01-22 | 2021-09-24 | 中化地质矿山总局福建地质勘查院 | Surveying device and surveying method for mineral resource permeability |
| CN109946214A (en) * | 2019-04-10 | 2019-06-28 | 中冶集团武汉勘察研究院有限公司 | Rock permeability saturation testing device and infiltration, saturation testing method |
| CN113495048A (en) * | 2021-09-08 | 2021-10-12 | 南通华兴石油仪器有限公司 | High-pressure seepage test device |
| CN113495048B (en) * | 2021-09-08 | 2021-11-16 | 南通华兴石油仪器有限公司 | High-pressure seepage test device |
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