CN109681192A - A kind of stratum slip casting feedback pressure sensing device - Google Patents
A kind of stratum slip casting feedback pressure sensing device Download PDFInfo
- Publication number
- CN109681192A CN109681192A CN201910106684.6A CN201910106684A CN109681192A CN 109681192 A CN109681192 A CN 109681192A CN 201910106684 A CN201910106684 A CN 201910106684A CN 109681192 A CN109681192 A CN 109681192A
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- China
- Prior art keywords
- slip casting
- channel
- grouting pipe
- stratum
- sensing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to high pressure jet grouting devices, and in particular to a kind of stratum slip casting feedback pressure sensing device for high pressure jet grouting device.The stratum slip casting feedback pressure sensing device includes the sensing section in Grouting Pipe, offers work nest on the outer wall of the sensing section;Flexible sheet is set at the work nest notch position, and manometric liquid body is sealed in the work nest;The test side of pressure sensor is protruded into the work nest, for acquiring the pressure information in the work nest.The stratum slip casting feedback pressure sensing device is built in drilling rod; and pressure is transferred to measuring pressure of sensor end by the sealing liquid by that can perceive ambient pressure; ground pressure signal is transferred to operation board in real time, pressure sensor is also protected to be not easy to be destroyed, realizes the side monitoring of marginal not slurry.
Description
Technical field
The present invention relates to high pressure jet grouting devices, and in particular to a kind of stratum slip casting for high pressure jet grouting device
Feedback pressure sensing device.
Background technique
It with the fast development that national basis is built, is frequently necessary to be related to mortar depositing construction in engineering construction field, and gos deep into
The high pressure jet grouting construction technology on stratum is even more more and more to be promoted because its is high-efficient, easy for construction, but high pressure is revolved
Spray sizing process, which substantially belongs to, fills high pressure slurries to ground layer gap texture, easily damages to stratum weakness zone,
It causes impaired land upheaval, underground pipe network, building inclination or even collapses, this is just needed to slip casting stratum, especially building
The slip casting stratum of close quarters carries out pressure monitoring, reduces its possibility for generating destruction in due course.
Often there is provisional and monitoring delay deficiency in traditional stratum slip casting pressure measuring mechanism, traditional pressure measuring unit is needing
Intermediate pressure section is surveyed in insertion when wanting, and sensor is directly contacted with measured medium, and measuring device is an independent component, cannot be built-in
In in Grouting Pipe or drilling rod, also it is unfavorable for the protection of pressure measuring unit itself;Simultaneously because it belongs to delay monitoring, note can not achieve
Progress synchronous with monitoring is starched, there are certain superpressure risks on the stratum more demanding for high-pressure slip-casting.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of stratum slip casting feedback pressure sensing device,
The stratum slip casting feedback pressure sensing device is built in drilling rod, and by that can perceive the sealing liquid of ambient pressure for pressure
It is transferred to measuring pressure of sensor end, ground pressure signal is transferred to operation board in real time, pressure sensor is also protected to be not easy to be broken
It is bad, realize the side monitoring of marginal not slurry.
The technical solution provided according to the present invention, a kind of stratum slip casting feedback pressure sensing device, the stratum slip casting are anti-
Feed voltage power sensing device includes the sensing section in Grouting Pipe, offers work nest on the outer wall of the sensing section;
Flexible sheet is set at the work nest notch position, and manometric liquid body is sealed in the work nest;
The test side of pressure sensor is protruded into the work nest, for acquiring the pressure information in the work nest.
Further, the flexible sheet includes:
Forced section, the force part are radially outward swelled in the middle part of the flexible sheet along the sensing section;
Seal holder part, the seal holder part are located at the outer of the forced section.
Further, the seal holder part includes sealing and fixed part, and the sealing position is in the fixed part
Outer forms between the sealing and fixed part and seals fixed step.
Further, the seal holder part of the flexible sheet is pressed on work nest notch by pressure ring, flexible sheet by
Power portion is located in the annular distance of the pressure ring, and is formed on pressure ring and the restriction slot for sealing fixed step and matching.
Further, the Grouting Pipe includes the first Grouting Pipe and the second Grouting Pipe, and the both ends of the sensing section are same respectively
The first Grouting Pipe of axis connection and the second Grouting Pipe;
Slip casting A channel is offered in first Grouting Pipe, the second Grouting Pipe offers slip casting channel B, the sensing Duan Shangkai
Equipped with slip casting C-channel, the both ends of the slip casting C-channel are respectively communicated with slip casting A channel and slip casting channel B.
Further, the slip casting A channel forms A fixing groove close to one end of sensing section, and the slip casting channel B is close to biography
The one end for feeling section forms B fixing groove, and the both ends of the slip casting C-channel are respectively equipped with C fixing groove and D fixing groove;
The two sides of First Transition connector are separately positioned in the A fixing groove and C fixing groove, and the First Transition connector center
Axial inner hollow, the slip casting A channel is connected to slip casting C-channel;
The two sides of second transit joint are separately positioned in the B fixing groove and D fixing groove, and second transit joint center
The slip casting channel B is connected to by the inner hollow of axis axial direction with the channel slip casting D.
Further, the second sealing ring is equipped at intervals on the outer wall of the First Transition connector and the second transit joint.
Further, it is axially extended outward to form respectively along position along central shaft in the both ends week of the sensing section
One circle limit edge, the limit for sensing the both ends of section agree with along the tube wall respectively with the first Grouting Pipe and the second Grouting Pipe.
Further, the limit edge is agreed with the first Grouting Pipe and the second Grouting Pipe is respectively equipped with the first sealing at position
Circle.
It can be seen that slip casting feedback pressure sensing device in stratum provided by the invention from the above, with prior art phase
Than having following advantages: pressure measuring unit is built in drilling rod body, and integrated level is good, is easy to protect.
It is carried out first, pressure measuring unit is synchronous with slip casting operation always, real-time monitoring.
Second, pressure measuring unit synchronizes deeply to slip casting stratum and servo rotary, monitor without dead angle, exhaustive.
Third, be easily changed, it is easy to maintain, it can be installed, be had certain according to the different types Integrated design of drilling rod
Versatility.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the enlarged diagram of part A in Fig. 1.
100. section is sensed, 101. slip casting C-channels, 110. limit edges, 111. second sealing rings, 200. work nests,
300. flexible sheets, 310. forced sections, 320. seal holder parts, 321. sealings, 322. fixed parts, 323. sealings are solid
Determine step, 400. manometric liquid bodies, 500. pressure sensors, 510. test sides, 520. output ends, 600. pressure rings, 710.
First Grouting Pipe, 711. slip casting A channels, 720. second Grouting Pipes, 721. slip casting channel Bs, 800. First Transition connectors,
900. second transit joints, 789. central axises, 890. second sealing rings.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.Wherein identical components are presented with like reference characters.It needs to illustrate
It is that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the direction in attached drawing.It uses
Word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
The present invention provides a kind of stratum slip casting feedback pressure sensing device, as shown in Fig. 1 ~ Fig. 2, as of the invention first
Kind embodiment, the stratum slip casting feedback pressure sensing device include the sensing section 100 in Grouting Pipe;In the prior art
Middle Grouting Pipe is mounted on the front end of drilling rod, and for injecting high pressure slurries to ground layer soil body, high pressure slurries inject stratum by drilling rod
After the soil body, certain cutting stirring action is formed to the soil body, slurries can further be pressed to the seam of soil layer by the continuous action of pressure
Gap, and then the surrounding soil diffusion of slip casting section.
Work nest 200 is offered on the outer wall of the sensing section 100, flexible sheet 300 is set to 200 notch of work nest
At position, manometric liquid body 400 is sealed in the work nest 200;The flexible sheet 300 can produce when by ambient pressure
Raw elastic deformation, to squeeze the manometric liquid body 400 in work nest 200;The test side 510 of pressure sensor 500 is protruded into described
In work nest 200, output end 520 connects host computer, for acquiring the pressure information in the work nest 200, and by the pressure
Force information is transferred to host computer.
Specifically the flexible sheet 300 includes forced section 310 and seal holder part 320;
The forced section 310 is located at the middle part of the flexible sheet 300, radially outward swells along the sensing section 100;
The seal holder part 320 is located at the outer of the forced section 310, and the seal holder part 320 includes 321 He of sealing
Fixed part 322, the sealing 321 are located at the outer of the fixed part 322, shape between the sealing 321 and fixed part 322
Step 323 is fixed at sealing;
The seal holder part 320 of the flexible sheet 300 is pressed on 200 notch of work nest by pressure ring 600, flexible sheet 300
Forced section 310 is located in the annular distance of the pressure ring 600, and is formed on pressure ring 600 and seal what fixed step 323 matched with described
Limit slot prevents flexible sheet 300 from falling off so that pressure ring 600 can limit the seal holder part 320 securely.
Specifically, liquid injection hole is additionally provided in the sensing section 100, one end of the liquid injection hole and the work nest 200 connect
Logical, the other end is sealed by writing disassembly sealing element, for injecting manometric liquid body 400 into the work nest 200.
As the first embodiment of the invention, the stratum slip casting feedback pressure sensing device includes sensing section 100,
Distinguish coaxially connected first Grouting Pipe 710 and the second Grouting Pipe 720 in the both ends of the sensing section 100;
Slip casting A channel 711 is offered in first Grouting Pipe 710, the second Grouting Pipe 720 offers slip casting channel B 721, institute
It states and offers slip casting C-channel 101 in sensing section 100, the both ends of the slip casting C-channel 101 are respectively communicated with 711 He of slip casting A channel
Slip casting channel B 721;
The slip casting A channel 711 forms A fixing groove close to one end of sensing section 100, and the slip casting channel B 721 is close to sensing section
100 one end forms B fixing groove, and the both ends of the slip casting C-channel 101 are respectively equipped with C fixing groove and D fixing groove;First Transition
The axial two sides of 800 central axis of connector 789 are separately positioned in the A fixing groove and C fixing groove, and the First Transition connector
The axial inner hollow of 800 central axis 789, so that the slip casting A channel 711 is connected to slip casting C-channel 101;Second transition
The axial two sides of 900 central axis of connector 789 are separately positioned in the B fixing groove and D fixing groove, and second transit joint
The axial inner hollow of 900 central axis 789, so that the slip casting channel B 721 is connected to the channel slip casting D.
Specifically, axial respectively to extension along the central axis 789 in the both ends week of the sensing section 100 along position
Stretch to form circle limit along 110, sense the limit at the both ends of section 100 along 110 respectively with the first Grouting Pipe 710 and the second Grouting Pipe
720 tube wall agrees with, and the limit agrees with the first Grouting Pipe 710 and the second Grouting Pipe 720 along 110 and is respectively equipped at position
First sealing ring 111.
The second sealing ring 890, institute are equipped at intervals on the outer wall of the First Transition connector 800 and the second transit joint 900
State the second sealing ring 890 can be realized First Transition connector 800 outer wall and 710 inner wall of the first Grouting Pipe and sensing section 100 1
The outer wall and 720 inner wall of the second Grouting Pipe of sealing and the second transit joint 900 between the inner wall of side and sensing 100 side of section
Sealing between inner wall.
Specifically, the slip casting C-channel 101 is located at the circumferential side of sensing section 100, circumferential another in the sensing section 100
Side offers work nest 200, and flexible sheet 300 is set at 200 notch position of work nest, manometric liquid body 400 is sealed in
In the work nest 200;The flexible sheet 300 can generate elastic deformation when by ambient pressure, to squeeze work nest
Manometric liquid body 400 in 200;The test side 510 of pressure sensor 500 is protruded into the work nest 200, and output end 520 connects
Host computer is transferred to host computer for acquiring the pressure information in the work nest 200, and by the pressure information.
To sum up, the course of work of the invention is the high pressure slurries of the surrounding soil diffusion to sensing section 100 to the sensing
The flexible sheet 300 of section 100 forms extrusion effect, and the flexible sheet 300 generates elastic deformation thus into one after being squeezed
Its pressure changing information is passed to pressure sensor 500, the pressure by step ground compressing manometric liquid body 400, manometric liquid body 400
Sensor 500 sends collected pressure information to host computer by cable, so as to real-time monitoring strata pressure information,
Avoid superpressure risk;It protects pressure sensor 500 to be not easy to be destroyed simultaneously, realizes the side monitoring of marginal not slurry.
It should be understood by those ordinary skilled in the art that: the above is only a specific embodiment of the present invention, and
It is not used in the limitation present invention, all any modification, equivalent substitution, improvement and etc. within purport of the invention, done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of stratum slip casting feedback pressure sensing device, which is characterized in that the stratum slip casting feedback pressure sensing device packet
The sensing section (100) being set in Grouting Pipe is included, offers work nest (200) on the outer wall of sensing section (100);
Flexible sheet (300) is set at the work nest (200) notch position, and manometric liquid body (400) is sealed in the work
In slot (200);
The test side (510) of pressure sensor (500) is protruded into the work nest (200), for acquiring the work nest (200)
In pressure information.
2. slip casting feedback pressure sensing device in stratum as described in claim 1, which is characterized in that the flexible sheet (300)
Include:
Forced section (310), the forced section (310) are located at the middle part of the flexible sheet (300), along the sensing section (100)
Radially outward swell;
Seal holder part (320), the seal holder part (320) are located at the outer of the forced section (310).
3. slip casting feedback pressure sensing device in stratum as claimed in claim 2, which is characterized in that the seal holder part
It (320) include sealing (321) and fixed part (322), the sealing (321) is located at the outer of the fixed part (322), institute
It states to be formed between sealing (321) and fixed part (322) and seals fixed step (323).
4. slip casting feedback pressure sensing device in stratum as claimed in claim 3, which is characterized in that pressure ring (600) is by the bullet
The seal holder part (320) of property diaphragm (300) is pressed on work nest (200) notch, the forced section (310) of flexible sheet (300)
It is formed in the annular distance of the pressure ring (600), and on pressure ring (600) and the limit for sealing fixed step (323) and matching
Determine slot.
5. slip casting feedback pressure sensing device in stratum as described in claim 1, which is characterized in that the Grouting Pipe includes first
Distinguish coaxially connected first Grouting Pipe (710) in the both ends of Grouting Pipe (710) and the second Grouting Pipe (720), sensing section (100)
With the second Grouting Pipe (720);
It is offered slip casting A channel (711) on first Grouting Pipe (710), the second Grouting Pipe (720) offers slip casting channel B
(721), it is offered slip casting C-channel (101) on the sensing section (100), the both ends of the slip casting C-channel (101) are respectively communicated with
Slip casting A channel (711) and slip casting channel B (721).
6. slip casting feedback pressure sensing device in stratum as claimed in claim 5, which is characterized in that the slip casting A channel (711)
A fixing groove is formed close to one end of sensing section (100), the slip casting channel B (721) forms B close to one end of sensing section (100)
The both ends of fixing groove, the slip casting C-channel (101) are respectively equipped with C fixing groove and D fixing groove;
The two sides of First Transition connector (800) are separately positioned in the A fixing groove and C fixing groove, and the First Transition connects
The inner hollow of head (800) central axis (789) axial direction, the slip casting A channel (711) is connected to slip casting C-channel (101);
The two sides of second transit joint (900) are separately positioned in the B fixing groove and D fixing groove, and second transition connects
The inner hollow of head (900) central axis (789) axial direction, the slip casting channel B (721) is connected to the channel slip casting D.
7. slip casting feedback pressure sensing device in stratum as claimed in claim 6, which is characterized in that the First Transition connector
(800) and on the outer wall of the second transit joint (900) it is equipped at intervals with the second sealing ring (890).
8. slip casting feedback pressure sensing device in stratum as claimed in claim 5, which is characterized in that in the sensing section (100)
Both ends week along position, axially extend outward to form circle limit respectively along central shaft (789) along (110), sense section
(100) tube wall of the limit at both ends along (110) respectively with the first Grouting Pipe (710) and the second Grouting Pipe (720) agrees with.
9. slip casting feedback pressure sensing device in stratum as claimed in claim 8, which is characterized in that the limit along (110) with
First Grouting Pipe (710) and the second Grouting Pipe (720), which are agreed with, is respectively equipped with the first sealing ring (111) at position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910106684.6A CN109681192A (en) | 2019-02-02 | 2019-02-02 | A kind of stratum slip casting feedback pressure sensing device |
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CN201910106684.6A CN109681192A (en) | 2019-02-02 | 2019-02-02 | A kind of stratum slip casting feedback pressure sensing device |
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Family
ID=66195700
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CN201910106684.6A Pending CN109681192A (en) | 2019-02-02 | 2019-02-02 | A kind of stratum slip casting feedback pressure sensing device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110700814A (en) * | 2019-10-28 | 2020-01-17 | 贵州航天凯山石油仪器有限公司 | Method and device for improving sealing reliability of gas well pressure gauge |
CN110939436A (en) * | 2019-12-31 | 2020-03-31 | 无锡市安曼工程机械有限公司 | Pressure sensing device |
CN111058450A (en) * | 2019-12-31 | 2020-04-24 | 江苏省无锡探矿机械总厂有限公司 | Grouting control method, device and system |
CN111250526A (en) * | 2019-12-23 | 2020-06-09 | 北京建工环境修复股份有限公司 | High-pressure jet grouting injection in-situ repair system and method |
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CN111250526A (en) * | 2019-12-23 | 2020-06-09 | 北京建工环境修复股份有限公司 | High-pressure jet grouting injection in-situ repair system and method |
CN111250526B (en) * | 2019-12-23 | 2022-05-13 | 北京建工环境修复股份有限公司 | High-pressure jet grouting injection in-situ repair system and method |
CN110939436A (en) * | 2019-12-31 | 2020-03-31 | 无锡市安曼工程机械有限公司 | Pressure sensing device |
CN111058450A (en) * | 2019-12-31 | 2020-04-24 | 江苏省无锡探矿机械总厂有限公司 | Grouting control method, device and system |
CN111058450B (en) * | 2019-12-31 | 2022-02-11 | 江苏省无锡探矿机械总厂有限公司 | Grouting control method, device and system |
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