CN201133248Y - Orifice sealed double tube back type grouting device - Google Patents
Orifice sealed double tube back type grouting device Download PDFInfo
- Publication number
- CN201133248Y CN201133248Y CNU2007201911661U CN200720191166U CN201133248Y CN 201133248 Y CN201133248 Y CN 201133248Y CN U2007201911661 U CNU2007201911661 U CN U2007201911661U CN 200720191166 U CN200720191166 U CN 200720191166U CN 201133248 Y CN201133248 Y CN 201133248Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- grouting
- tube
- orifice
- communicated
- Prior art date
Links
- NTHWMYGWWRZVTN-UHFFFAOYSA-N Sodium silicate Chemical compound 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[Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004873 anchoring Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000010410 layers Substances 0.000 claims abstract description 4
- 239000003638 reducing agents Substances 0.000 claims abstract description 4
- 239000002002 slurries Substances 0.000 claims description 25
- 238000005553 drilling Methods 0.000 claims description 13
- 239000004568 cements Substances 0.000 claims description 10
- 239000006072 pastes Substances 0.000 claims description 10
- 235000019353 potassium silicate Nutrition 0.000 claims description 10
- 238000000034 methods Methods 0.000 abstract description 4
- 239000011440 grout Substances 0.000 abstract 8
- 238000007569 slipcasting Methods 0.000 description 13
- 239000011901 water Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000036536 Cave Effects 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000499 gels Substances 0.000 description 2
- 239000011499 joint compounds Substances 0.000 description 2
- 239000000203 mixtures Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesives Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005755 formation reactions Methods 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 239000002245 particles Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
Description
Technical field
The utility model belongs to the tunnel and underground construction weak surrounding rock pre-grouting is reinforced and water-plugging technique, mainly proposes a kind of Orifice sealed double-pipe retrusive grouting equipment.
Background technology
In weak water bearing ground, carry out tunnel and underground engineering construction, the problem of easy appearance is the country rock large deformation and caves in and excavate face water burst, prominent mud, jeopardize personnel, device security, cause casualty accident, cause that the face of land caves in when serious, vegetation deterioration influences resident's normal life, and ground environment is damaged.In order to guarantee construction safety, stratum consolidation and shutoff method commonly used both at home and abroad at present are slip casting method, slip casting method is exactly by certain pressure a certain amount of gelling material to be injected the rock stratum or the soil body, make that it flows in formation fractures or soil body space, diffusion, filling, fixed, be formed with the adhesive bond of certain intensity and low permeability, strengthening stratum, shutoff underground water, thereby improve the self-stabilization time of country rock, for applying of supporting and protection structure creates conditions.According to the difference of slip casting principle, technology, equipment, the leading reinforcement means in stratum relatively more commonly used both at home and abroad at present has single pipe method and double-tube method.Single pipe method slip casting is to mix in single tube, if the slurries gel time is too short, and then plugging easily; If gel time is longer, it is too far away that slurries spread easily, cause unnecessary loss, and in the bigger place of underground water, slurries is diluted easily.General double-tube method slip casting, when boring, silt, stone etc. enters interior pipe easily, and pipe clamp bores, twists in causing; In addition, do not install sealing device in the position, aperture, slurries flow out from the position, aperture easily, are difficult to control grouting pressure and grouting quality.
Summary of the invention
The purpose of this utility model is to propose a kind of Orifice sealed double-pipe retrusive grouting equipment, solves the bit freezing problem when two-tube slip casting, and grouting pressure can be guaranteed, and improves grouting quality.
The utility model is finished the technical scheme that its invention task taked: it mainly comprises drilling rod, drill bit, orifice tube, ends slurry tube, stop grouting plug, cement paste Grouting Pipe, water glass Grouting Pipe; Drilling rod is the double-layer sleeve structure that interior pipe and outer tube constitute, and its interior pipe is communicated with the cement paste Grouting Pipe, outer tube is communicated with the water glass Grouting Pipe; In pipe be communicated with the hybrid chamber of drill bit rear end and plug be set, wash open in order to cement paste when the slip casting and enter the stratum after plug enters hybrid chamber and the water glass slurries mix; Outer tube is communicated with hybrid chamber by the hole that bit body sets; Orifice tube one end is positioned at the aperture of boring and is fixed on the hole wall by the anchoring agent, the other end is positioned at outside the boring and by joint and connects only slurry tube, end on the slurry tube and have the deslagging outlet valve, end in the slurry tube stop grouting plug is set, stop grouting plug is the hollow frustum structure by hole enlargement behind the forward direction, and only slurry tube its rear end large-diameter pipe of reducer pipe structure connects with the hollow platen by flange makes stop grouting plug be compressed by the hollow platen.
The utility model slip casting course of work: bore shallow bore hole by rig, withdraw from drilling rod, in drilling orifice, install and fix orifice tube, and only slurry tube, stop grouting plug etc. are gone up in connection; The flange plate bolt that counter-rotating connects with the hollow platen, loosen stop grouting plug, continue boring to designing at the bottom of the hole behind the position (the edge joint long drill pipe is bored on the limit), tightening flange plate bolt makes the hollow platen compress stop grouting plug, it is expanded seals tight drilling rod and ends the gap of starching between the tube inwall, mud and the water glass confession slurry valve of fetching boiling water begins for slurry, cement paste is washed open forward by pipe in the drilling rod and enter the stratum after plug enters hybrid chamber and the water glass slurries that enter by outer tube mix in hybrid chamber, and drilling rod backs away in the slip casting process.(orifice tube is stayed in the boring) all unloaded grouting device in slip casting after finishing, withdraw from drilling rod, can begin the slip casting of creeping in next hole.
Its structure design of the device that the utility model proposes is simple, and is easy and simple to handle, solved the bit freezing problem in the boring procedure in the prior art, not only improved grouting quality, and reduced the borehole engineering amount, improved slip casting efficient.
Description of drawings
Fig. 1 is the utility model device working state schematic representation.
Fig. 2 is an A part enlarged drawing among Fig. 1.
Among the figure, 1, the cement paste Grouting Pipe, 2, interior pipe, 3, outer tube, 4, the water glass Grouting Pipe, 5, the hollow platen, 6, flange, 7, stop grouting plug, 8, end the slurry tube, 9, deslagging outlet valve, 10, joint, 11, orifice tube, 12, anchoring agent, 13, wall for grouting, 14, boring, 15, drill bit, 16, stop step, 17, plug.
The specific embodiment
In conjunction with the accompanying drawings the utility model embodiment is illustrated:
As shown in Figure 1 and Figure 2, the utility model device mainly comprises drilling rod, drill bit 15, orifice tube 11, ends slurry tube 8, stop grouting plug 7, cement paste Grouting Pipe 1, water glass Grouting Pipe 4; Drilling rod is the double-layer sleeve structure that interior pipe 2 and outer tube 3 constitutes, and pipe 2 is communicated with cement paste Grouting Pipe 1 in it, outer tube 3 is communicated with water glass Grouting Pipe 4; Drill bit 15 rear ends have hybrid chamber, in pipe 2 front ends be connected with hybrid chamber, plug 17 is set in cavity, what plug was positioned at the bit body setting stops step 16 front portions, thereby guarantee when boring silt particle etc. can't enter in the drilling rod, and cement paste is washed plug forward open during slip casting.Outer tube 3 front ends are communicated with hybrid chamber by the hole that sets on the bit body.Orifice tube 11 1 ends are positioned at the aperture of boring and are fixed on the hole wall by anchoring agent 12, the other end is positioned to hole outer and pass through joint 10 and connects only slurry tube 8, end on the slurry tube 8 and have deslagging outlet valve 9, end in the slurry tube 8 stop grouting plug 7 is set, stop grouting plug 7 is the hollow frustum structure by hole enlargement behind the forward direction, and only slurry tube its rear end large-diameter pipe of reducer pipe structure connects with hollow platen 5 by flange makes stop grouting plug 7 be compressed by the hollow platen.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201911661U CN201133248Y (en) | 2007-12-29 | 2007-12-29 | Orifice sealed double tube back type grouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201911661U CN201133248Y (en) | 2007-12-29 | 2007-12-29 | Orifice sealed double tube back type grouting device |
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| Publication Number | Publication Date |
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| CN201133248Y true CN201133248Y (en) | 2008-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201911661U CN201133248Y (en) | 2007-12-29 | 2007-12-29 | Orifice sealed double tube back type grouting device |
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| CN (1) | CN201133248Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832148A (en) * | 2010-02-11 | 2010-09-15 | 中国矿业大学 | Fire extinguishing medium irrigation device for coal mine ground drilling |
| CN102807100A (en) * | 2011-06-02 | 2012-12-05 | 江苏永钢集团有限公司 | Transmission pipe with plug of automatic feeding device |
| CN102852535A (en) * | 2010-12-14 | 2013-01-02 | 山东大学 | Underground two-fluid grouting device |
| CN102953742A (en) * | 2012-11-14 | 2013-03-06 | 山东大学 | End-type multi-stage grout stopping plug of grouting anchor rod and use method thereof |
| CN102979576A (en) * | 2012-12-03 | 2013-03-20 | 山东大学 | Multi-stage orifice pipe quick fixing device |
| CN103821540A (en) * | 2014-01-26 | 2014-05-28 | 山东大学 | Mixed double-liquid grouting pipe for hole bottoms in fixed-point control fields |
| CN104929565A (en) * | 2014-12-18 | 2015-09-23 | 安徽恒源煤电股份有限公司 | Double-layered grouting guide pipe |
| CN104948133A (en) * | 2015-05-19 | 2015-09-30 | 山东大学 | Grouting plugging device suitable for high-pressure mass-flow gushing water and technology thereof |
| CN110374651A (en) * | 2019-07-18 | 2019-10-25 | 北京交通大学 | The double group material full length fastening devices of self-drilling type and anchoring construction method |
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2007
- 2007-12-29 CN CNU2007201911661U patent/CN201133248Y/en not_active IP Right Cessation
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832148A (en) * | 2010-02-11 | 2010-09-15 | 中国矿业大学 | Fire extinguishing medium irrigation device for coal mine ground drilling |
| CN101832148B (en) * | 2010-02-11 | 2011-11-02 | 中国矿业大学 | Fire extinguishing medium irrigation device for coal mine ground drilling |
| CN102852535A (en) * | 2010-12-14 | 2013-01-02 | 山东大学 | Underground two-fluid grouting device |
| CN102852535B (en) * | 2010-12-14 | 2015-04-08 | 山东大学 | Underground two-fluid grouting device |
| CN102807100A (en) * | 2011-06-02 | 2012-12-05 | 江苏永钢集团有限公司 | Transmission pipe with plug of automatic feeding device |
| CN102807100B (en) * | 2011-06-02 | 2015-04-08 | 江苏永钢集团有限公司 | Transmission pipe with plug of automatic feeding device |
| CN102953742A (en) * | 2012-11-14 | 2013-03-06 | 山东大学 | End-type multi-stage grout stopping plug of grouting anchor rod and use method thereof |
| CN102953742B (en) * | 2012-11-14 | 2015-03-25 | 山东大学 | End-type multi-stage grout stopping plug of grouting anchor rod and use method thereof |
| CN102979576A (en) * | 2012-12-03 | 2013-03-20 | 山东大学 | Multi-stage orifice pipe quick fixing device |
| CN103821540A (en) * | 2014-01-26 | 2014-05-28 | 山东大学 | Mixed double-liquid grouting pipe for hole bottoms in fixed-point control fields |
| CN104929565A (en) * | 2014-12-18 | 2015-09-23 | 安徽恒源煤电股份有限公司 | Double-layered grouting guide pipe |
| CN104948133A (en) * | 2015-05-19 | 2015-09-30 | 山东大学 | Grouting plugging device suitable for high-pressure mass-flow gushing water and technology thereof |
| CN104948133B (en) * | 2015-05-19 | 2017-10-31 | 山东大学 | The slip casting plugging device and its technique of a kind of suitable high-pressure high-flow drilling water burst |
| CN110374651A (en) * | 2019-07-18 | 2019-10-25 | 北京交通大学 | The double group material full length fastening devices of self-drilling type and anchoring construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Erchu Co., Ltd. of China Railway Tunnel Group Assignor: Zhongtie Tunnel Group Co., Ltd. Contract fulfillment period: 2009.4.30 to 2014.4.29 contract change Contract record no.: 2009990000560 Denomination of invention: Orifice sealed double tube back type grouting device Granted publication date: 20081015 License type: Exclusive license Record date: 2009.5.26 Assignee: Erchu Co., Ltd. of China Railway Tunnel Group Assignor: Zhongtie Tunnel Group Co., Ltd. Contract fulfillment period: 2009.4.30 to 2014.4.29 Contract record no.: 2009990000560 Denomination of utility model: Orifice sealed double tube back type grouting device Granted publication date: 20081015 License type: Exclusive license Record date: 20090526 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.30 TO 2014.4.29; CHANGE OF CONTRACT Name of requester: CHINA RAILWAY TUNNEL GROUP SECOND DIVISION Effective date: 20090526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20121229 Granted publication date: 20081015 Termination date: 20121229 |
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| C17 | Cessation of patent right |