CN208168842U - A kind of expansion type packer permeability test plug - Google Patents
A kind of expansion type packer permeability test plug Download PDFInfo
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- CN208168842U CN208168842U CN201820629686.4U CN201820629686U CN208168842U CN 208168842 U CN208168842 U CN 208168842U CN 201820629686 U CN201820629686 U CN 201820629686U CN 208168842 U CN208168842 U CN 208168842U
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- expansion sleeve
- expansion
- water
- pressure pipe
- permeability test
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Abstract
The utility model provides a kind of expansion type packer permeability test plug, including expansion sleeve and pressure pipe, is provided with water filling port at the top of expansion sleeve.When filling in row test by expansion type packer permeability test, it is needing first to accomplish fluently test hole in the ground tested in advance in advance, pressure pipe and expansion sleeve are transferred in test hole by the drilling rod of ground sampler drill, and then filled the water by hollow structure of the water filling port to expansion sleeve, so that the middle part expansion of expansion sleeve presses against on the side wall of experimental port；It is filled the water at the same time by pressure pipe to the bottom hole of test hole, and pass through different hydraulic pressure to the experimental port inner water-supply, and measure its corresponding flow value, flow value and hydraulic pressure value can be measured by flow valve and water pressure gauge, the permeability rate of rock mass is being calculated according to multiple groups hydraulic pressure and its flow value, to understand the water penetration of this section of Rock And Soil, is improving the accuracy of the test of packer permeability test plug, it avoids packer permeability test plug from being blocked in test hole simultaneously, improves testing efficiency.
Description
Technical field
The utility model relates to geotechnical investigation engineering field more particularly to a kind of expansion type packer permeability test plugs.
Background technique
When building engineering works on Rock And Soil or in Rock And Soil, it is necessary to study rock in built-up area and its coverage
The water penetration of the soil body.The measurement infiltrative method of Rock And Soil has：Packer permeability test, water injection test and bailing test etc..Wherein press
The specific practice of water test is：Drilling machine drilling during or drilling after, with embolism by the hole section of a certain length with
Remaining hole section is kept apart, and is reused different hydraulic pressure and is conveyed water into test hole section, and measures its corresponding flow value, according to obtaining
The hydraulic pressure and water that obtain calculate the permeability rate of rock mass.Packer permeability test result is mainly used for evaluate the Penetration Signature of Rock And Soil,
That is permeability rate size and its variation tendency at various pressures, and as the basic foundation for seeping control design.
Roof pressing type packer permeability test plug in the prior art, since the diameter of its main body is inconsistent, and its entirety
Volume is larger, easily collides with hole wall during transferring and above mentioning, is easily blocked by chip off-falling, be not applied for bad ground
Packer permeability test is drilled, safety, stability are lower.
Utility model content
For this reason, it may be necessary to provide a kind of expansion type packer permeability test plug, the entirety for solving existing roof pressing type packer permeability test plug is larger,
The problem that its main diameter is of different sizes and easy card plug is in rock-boring.
To achieve the above object, a kind of expansion type packer permeability test plug, including expansion sleeve and pressure pipe, institute are inventor provided
Stating expansion sleeve is hollow structure, is sheathed in the hollow structure of expansion sleeve in the middle part of the pressure pipe, the top setting of expansion sleeve
There is water filling port, the water outlet of water filling port is located on the hollow structure inner wall of expansion sleeve, and the both ends of the expansion sleeve are used for and pressure water
The seal of tube connects so that the middle part of expansion sleeve is a sealing cavity.
Further, the expansion sleeve includes end sealing plug and bottom end seal plug, and end sealing plug is arranged in expansion sleeve
With water filling port one end, bottom end seal plug is arranged in the port of the other end of expansion sleeve, and one end of pressure pipe sequentially passes through top
The seal of the seal of sealing-plug, the hollow structure of expansion sleeve and bottom end seal plug is held to be arranged.
It further, further include sealed inner tube, the sealed inner tube is set in the hollow structure of expansion sleeve, and in sealing
Pipe is between expansion sleeve and pressure pipe.
It further, further include water supply device and hose, one end of the hose and the water filling port pipe of expansion sleeve connect, soft
The other end of pipe and the water outlet pipe of water supply device connect.
Further, the water supply device is ager or water pump.
Further, the pressure pipe includes tool joint, and tool joint is arranged on the other end of pressure pipe, pressure pipe
The other end be located at expansion sleeve with water filling port towards one end.
Further, the expansion sleeve is that rubber material expansion sleeve, polyurethane expansion sleeve or thermoplastic polyester elastomer are swollen
Expansion set.
It is different from the prior art, above-mentioned technical proposal can exist in advance when filling in row test by expansion type packer permeability test
Test hole is first accomplished fluently in advance in the ground for needing to test, and pressure pipe and expansion sleeve are transferred to by examination by the drilling rod of ground sampler drill
It in verifying, and then is filled the water by hollow structure of the water filling port to expansion sleeve, so that the middle part expansion of expansion sleeve presses against reality
On the side wall verified；It is filled the water at the same time by pressure pipe to the bottom hole of test hole, and by different hydraulic pressure to the reality
Verify inner water-supply, and measure its corresponding flow value, for flow value and hydraulic pressure value can by flow valve and water pressure gauge into
Row measurement, in the permeability rate for calculating rock mass according to multiple groups hydraulic pressure and its flow value, to understand the water penetration of this section of Rock And Soil.Make
The detection of the permeability rate of complicated bottom, and the safety of expansion type packer permeability test plug can be overcome with expansion type packer permeability test plug
Property, stability and usability are all higher.
Detailed description of the invention
Fig. 1 is the schematic diagram of expansion type packer permeability test plug described in specific embodiment；
Fig. 2 is the structure chart of expansion type packer permeability test plug described in specific embodiment；
Fig. 3 is the schematic diagram of the pressure pipe of expansion type packer permeability test plug described in specific embodiment.
Description of symbols：
10, expansion sleeve；101, water filling port；102, end sealing plug；103, bottom end seal plug；
20, pressure pipe；201, tool joint；
30, sealed inner tube；40, water supply device；50, hose；
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the present embodiment provides a kind of expansion type packer permeability test plugs, including expansion sleeve 10 and pressure
Water pipe 20, the expansion sleeve are hollow structure, are sheathed in the hollow structure of expansion sleeve in the middle part of the pressure pipe, expansion sleeve
Top is provided with water filling port 101, and the water outlet of water filling port is located on the hollow structure inner wall of expansion sleeve, the both ends of the expansion sleeve
For being tightly connected with pressure pipe so that the middle part of expansion sleeve is a sealing cavity.
In the present embodiment when filling in row test by expansion type packer permeability test, it can need to beat in the ground tested in advance
Good test hole, and the machinery punched in ground is ground sampler drill, ground sampler drill is drilling machine.Pressure pipe is connected
It is connected on the rod end of the drilling rod of drilling machine, and then examination to is taken pressure pipe and the expansion sleeve being socketed on pressure pipe by drilling rod
In verifying, since expansion sleeve integral diameter is in the same size, it will not be blocked by the stone in test hole when placing, while
It will not collide or rub with the hole wall of test hole when placing packer permeability test plug, improve packer permeability test plug practicability.And it expands
It is the connection of sealing fastening between the both ends and pressure pipe of set, so that the middle part of entire expansion sleeve is a sealing cavity, then
It is filled the water by sealing cavity of the water filling port on expansion sleeve to expansion sleeve, so that the middle part of expansion sleeve expands, is passed through simultaneously
Pressure pipe is filled the water to the bottom hole of test hole, is reached through different pressure to the experimental port inner water-supply, and it is corresponding to measure it
Flow value, flow value and hydraulic pressure value can be measured by flow valve and water pressure gauge, according to multiple groups hydraulic pressure and its
Flow value calculates the permeability rate of rock mass, to understand the water penetration of this section of Rock And Soil.Packer permeability test plug compact overall structure, it is whole
Expansion sleeve diameter is identical, so that the reduction of the Probability maximum blocked in test hole.It can using expansion type packer permeability test plug
To overcome the detection of the permeability rate of complicated bottom, and safety, stability and the usability of expansion type packer permeability test plug all compared with
It is high.
Expansion sleeve described in the present embodiment includes end sealing plug 102 and bottom end seal plug 103, and the setting of end sealing plug exists
Expansion sleeve has water filling port one end, and bottom end seal plug is arranged in the port of the other end of expansion sleeve, and one end of pressure pipe is successively
Seal across the seal of end sealing plug, the hollow structure of expansion sleeve and bottom end seal plug is arranged.Expansion sleeve passes through top
End sealing-plug and bottom end seal plug are sealed, and combine the hollow structure of expansion sleeve, so that the inside of expansion sleeve forms one
Sealing cavity is being connected with the inside of sealing cavity by water filling port, can then carried out into sealing cavity by water filling port
Water filling, so that the middle part of expansion sleeve expands, and then can be with measuring appliance hydraulic pressure value.
Expansion sleeve described in the present embodiment is that rubber material expansion sleeve, polyurethane expansion sleeve or thermoplastic polyester elastomer are swollen
Expansion set.Preferred expansion sleeve is the expansion sleeve of rubber material, and end sealing plug and bottom end seal plug are a hollow ladder circle
Column, after being tightly connected with expansion sleeve, by way of being fixedly connected, so that being fixedly connected on expansion sleeve in the middle part of pressure pipe
Interior, being fixedly connected to be welding or splicing etc..In certain embodiments, end sealing plug can also carry out one with pressure pipe
Molding manufacture, therefore when pressure pipe connect with expansion sleeve, after top sealing-plug and expansion sleeve sealing are fixed, then to pass through bottom close
Pressure pipe and expansion sleeve are connected and sealed blocking, so that pressure pipe is fixed by end sealing plug and bottom end seal plug
On expansion sleeve, and expansion sleeve passes through end sealing plug and bottom end seal plug, so that its hollow structure forms sealing cavity.Poly- ammonia
Polyurethane in ester expansion sleeve, the entitled Thermoplastic Urethane of English, Chinese are complete entitled：Thermoplastic polyurethane bullet
Property body, polyurethane is reacted jointly by '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI) and macromolecular polyol, chain extender
The high molecular material being polymerized has high-intensitive resilient nature.Thermoplastic polyester elastomer：It is containing polyester hard section and to gather
The block copolymer of ether soft segment.Wherein polyester soft segment and uncrystallized polyester form amorphous phase polyester hard section partially crystallizable and are formed
Physical crosslinking point is played in crystalline domains.TPEE has the elasticity of rubber and the intensity of engineering plastics；Soft segment assigns its bullet
Property, make it as rubber；Hard section assigns its processing performance, makes it as plastics；With rubber phase ratio, it have better processing performance and
Longer service life；Compared with engineering material, equally have the characteristics that intensity is high, and flexibility and dynamic mechanical are more preferable.
It further include sealed inner tube 30 in the present embodiment, the sealed inner tube is set in the hollow structure of expansion sleeve, and close
Inner tube is sealed between expansion sleeve and pressure pipe.In order to enable the water route in the water route and expansible stopper of pressure pipe can separate,
One sealed inner tube is set between expansion sleeve and pressure pipe, i.e., will be arranged a sealed inner tube in hollow structure, and pressure pipe
It is sheathed in the pipe of sealed inner tube, so that separating between pressure pipe and the hollow structure of expansion sleeve, and then improves expansion type
The practicability of packer permeability test plug.
It further include water supply device 40 and hose 50 in the present embodiment, one end of the hose and the water filling port Guan Lian of expansion sleeve
It connects, the other end of hose and the water outlet pipe of water supply device connect.The water supply device is ager or water pump.It can by hose
Water supply device to be connect with expansion sleeve, and then water source being provided for expansion sleeve, water supply device can be supplied water by water pump, and
And the flexibility of hose, it is not easily broken so that can preferably walk pipe and hose in test hole when being pressurized, and then improve
The practicability of expansion type packer permeability test plug.
Pressure pipe described in the present embodiment includes tool joint 201, and tool joint is arranged on the other end of pressure pipe, pressure
The other end of water pipe is located at expansion sleeve with water filling port towards one end.Welding can be passed through between tool joint and pressure pipe
Mode is fixedly connected, so that being convenient for for pressure pipe being affixed on the drilling rod of drilling machine by tool joint, is reduced real
Time when border operates, improve the efficiency of detection.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (7)
1. a kind of expansion type packer permeability test plug, it is characterised in that：Including expansion sleeve and pressure pipe, the expansion sleeve is hollow knot
Structure is sheathed in the hollow structure of expansion sleeve in the middle part of the pressure pipe, water filling port is provided at the top of expansion sleeve, water filling port
Water outlet is located on the hollow structure inner wall of expansion sleeve, and the both ends of the expansion sleeve are used to be tightly connected with pressure pipe so that expanding
The middle part of set is a sealing cavity.
2. a kind of expansion type packer permeability test plug according to claim 1, it is characterised in that：The expansion sleeve includes that top is close
Blocking and bottom end seal plug, the setting of end sealing plug have water filling port one end in expansion sleeve, and bottom end seal plug is arranged in expansion sleeve
The other end port in, one end of pressure pipe sequentially passes through the seal of end sealing plug, the hollow structure of expansion sleeve and bottom
Hold the seal setting of sealing-plug.
3. a kind of expansion type packer permeability test plug according to claim 1, it is characterised in that：It further include sealed inner tube, it is described
Sealed inner tube is set in the hollow structure of expansion sleeve, and sealed inner tube is between expansion sleeve and pressure pipe.
4. a kind of expansion type packer permeability test plug according to claim 1, it is characterised in that：It further include water supply device and soft
Pipe, one end of the hose and the water filling port pipe of expansion sleeve connect, and the other end of hose and the water outlet pipe of water supply device connect.
5. a kind of expansion type packer permeability test plug according to claim 4, it is characterised in that：The water supply device is ager
Or water pump.
6. a kind of expansion type packer permeability test plug according to claim 1, it is characterised in that：The pressure pipe includes drilling rod connecting
Head, tool joint are arranged on the other end of pressure pipe, and the other end of pressure pipe is located at direction one of the expansion sleeve with water filling port
End.
7. a kind of expansion type packer permeability test plug according to claim 1, it is characterised in that：The expansion sleeve is rubber material
Expansion sleeve, polyurethane expansion sleeve or thermoplastic polyester elastomer expansion sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629686.4U CN208168842U (en) | 2018-04-28 | 2018-04-28 | A kind of expansion type packer permeability test plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629686.4U CN208168842U (en) | 2018-04-28 | 2018-04-28 | A kind of expansion type packer permeability test plug |
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| Publication Number | Publication Date |
|---|---|
| CN208168842U true CN208168842U (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820629686.4U Active CN208168842U (en) | 2018-04-28 | 2018-04-28 | A kind of expansion type packer permeability test plug |
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| Country | Link |
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| CN (1) | CN208168842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486671A (en) * | 2021-12-16 | 2022-05-13 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent conveying embolism pressurized-water test device for cross-ridge tunnel ultra-deep drilling |
-
2018
- 2018-04-28 CN CN201820629686.4U patent/CN208168842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486671A (en) * | 2021-12-16 | 2022-05-13 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent conveying embolism pressurized-water test device for cross-ridge tunnel ultra-deep drilling |
| CN114486671B (en) * | 2021-12-16 | 2023-12-22 | 广东省交通规划设计研究院集团股份有限公司 | Intelligent transmission embolism water pressure test device for ultra-deep drilling of cross-over tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350001 Building 21, Software Park B, 89 Software Avenue, Gulou District, Fuzhou City, Fujian Province Patentee after: East China Survey and Design Institute (Fujian) Co., Ltd. Address before: 350001 Building 21, Software Park B, 89 Software Avenue, Gulou District, Fuzhou City, Fujian Province Patentee before: Huadong Rock-Soil Engineering Co., Ltd., Fujian |
|
| CP01 | Change in the name or title of a patent holder |