CN205805454U - The deslagging head of double-jacket tube rig - Google Patents

The deslagging head of double-jacket tube rig Download PDF

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Publication number
CN205805454U
CN205805454U CN201620545364.2U CN201620545364U CN205805454U CN 205805454 U CN205805454 U CN 205805454U CN 201620545364 U CN201620545364 U CN 201620545364U CN 205805454 U CN205805454 U CN 205805454U
Authority
CN
China
Prior art keywords
deslagging
head
sleeve pipe
double
jacket tube
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.)
Expired - Fee Related
Application number
CN201620545364.2U
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Chinese (zh)
Inventor
王荣发
王涛
赵建国
雷斌
肖克龙
杨小伟
刘晓宁
李超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Gongkan Geotechnical Group Co Ltd
Original Assignee
Shenzhen Gongkan Geotechnical Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Gongkan Geotechnical Group Co Ltd filed Critical Shenzhen Gongkan Geotechnical Group Co Ltd
Priority to CN201620545364.2U priority Critical patent/CN205805454U/en
Application granted granted Critical
Publication of CN205805454U publication Critical patent/CN205805454U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model relates to the technical field of rig, disclose the deslagging head of double-jacket tube rig, the deslagging head of double-jacket tube rig is arranged in unit head and creeps between sleeve pipe, deslagging head has and creeps into sleeve pipe and creep into and creep into, between drilling rod, the deslagging gap that gap connects, the sidewall of deslagging head is communicated with deslagging gap and outside and for discharging the slag-drip opening of the water under high pressure carrying soil slag.Deslagging head is placed in unit head and creeps between sleeve pipe, double-jacket tube rig is when holing, water under high pressure in hand-hole carries soil slag and is back to upward in deslagging gap by creeping into gap, and discharged outside by slag-drip opening, avoid water under high pressure to return out between sleeve pipe and hole wall by creeping into, reduce soil erosion amount, reduce the settling amount of foundation ditch surrounding ground, pipeline, building etc., there are the biggest practical value and dissemination, it is to avoid foundation ditch exists potential safety hazard.

Description

The deslagging head of double-jacket tube rig
Technical field
This utility model relates to the technical field of rig, particularly relates to the deslagging head of double-jacket tube rig.
Background technology
In recent years, along with developing rapidly of urban construction, the utilization of the underground space becomes increasingly prevalent.At deep pit support Protecting in the selection of form, prestress anchorage cable, because its construction is simple, quick, reliable, economic dispatch feature, is widely used.
With reference to shown in Fig. 1, pattern foundation pit supporting structure is in the construction prestressed cable of below level of ground water, generally uses single set Pipe, with managing and protecting cornice water Drilling Method, is i.e. holed, while boring, at the bottom of hole with the sleeve pipe 101 consistent with design aperture Inject water under high pressure, utilize water under high pressure to take the boring mud produced in drilling process out of.
In prior art, owing to rig is in drilling process, return water carry silt particle through between sleeve pipe 101 and hole wall between Gap is returned out, will certainly constantly wash away the hole wall of forming hole, strengthens prestress anchorage cable soil erosion amount in length range, in case of To banketing, the scall such as mud, silt, gravelly sand time, in boring procedure, soil erosion amount can tend to serious, even can lead Cause the settling amounts such as foundation ditch surrounding ground, pipeline and building strengthen or exceed standard, become the major hidden danger of deep pit monitor.
Utility model content
The purpose of this utility model is to provide the deslagging head of double-jacket tube rig, it is intended to solve, in prior art, to adopt Holing with single cased bore-bole equipment, the soil erosion amount of the hole wall of forming hole is excessive, there is Ground Settlement of Deep Foundation Pit amount and exceeds standard Problem.
This utility model is achieved in that the deslagging head of double-jacket tube rig, the row of described double-jacket tube rig Slag head is arranged in unit head and creeps between sleeve pipe, described deslagging head has with described creep into sleeve pipe and described in creep into drilling rod it Between the deslagging gap creeping into gap connection, the sidewall of described deslagging head is communicated with deslagging gap and outside and for discharging Carry the slag-drip opening of the water under high pressure of soil slag.
Further, described deslagging gap shape ringwise is arranged.
Further, having multiple described slag-drip opening in the sidewall of described deslagging head, multiple described slag-drip openings are around described The periphery of deslagging head is arranged.
Further, described deslagging head includes being connected to described unit head and the connection sleeve pipe creeping between sleeve pipe and company It is connected to described unit head and the jointed rod creeping between drilling rod;Described jointed rod is placed in described connection sleeve pipe, and with institute Stating and have described deslagging gap between connection sleeve pipe, described slag-drip opening is formed in the sidewall of described connection sleeve pipe.
Further, described unit head has union joint, and the periphery of described union joint is provided with the first external screw thread, described connection The medial wall of the upper end of sleeve pipe has the first female thread that the first external screw thread with described union joint is threadeded.
Further, described union joint has the first connecting hole, described first connecting hole is provided with the second female thread, institute The periphery of the upper end stating jointed rod is provided with the second external screw thread that the second female thread with described union joint is threadeded.
Further, the medial wall of the upper end creeping into sleeve pipe described in is provided with the 3rd female thread, the lower end of described connection sleeve pipe Periphery be provided with the 3rd external screw thread threadeded with described 3rd female thread.
Further, the periphery of the upper end creeping into drilling rod described in is provided with the 4th external screw thread, in the lower end of described jointed rod It is provided with the second connecting hole, described second connecting hole is provided with and is threaded in the 4th female thread with described 4th external screw thread.
Compared with prior art, utilizing the deslagging head of the double-jacket tube rig that this utility model provides, deslagging head is placed in Unit head and creep between sleeve pipe, double-jacket tube rig is when holing, and the water under high pressure in hand-hole carries soil slag By creeping into drilling rod and the gap of creeping into creeping between sleeve pipe is back in the deslagging gap of deslagging head upward, and discharged by slag-drip opening Outside, it is to avoid water under high pressure returns out between sleeve pipe and hole wall by creeping into, and from the hole wall without scour out type hole, can effectively reduce water Soil number of dropouts, reduces the settling amount of foundation ditch surrounding ground, pipeline, building etc., to protection foundation ditch surrounding ground, pipeline, building Deng safety have reality effect, have the biggest practical value and dissemination, it is to avoid foundation ditch exists potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the single cased bore-bole equipment of the prior art schematic front view when boring;
Fig. 2 is the double-jacket tube rig of this utility model embodiment offer schematic perspective view when boring;
Fig. 3 is the schematic front view connecting sleeve pipe that this utility model embodiment provides;
Fig. 4 is the schematic front view of the jointed rod that this utility model embodiment provides;
Fig. 5 is the schematic front view of the union joint that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain This utility model, is not used to limit this utility model.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
With reference to shown in Fig. 2~5, for the preferred embodiment of this utility model offer.
The double-jacket tube rig that the present embodiment provides, for holing in the hole wall of foundation ditch, pre-to be formed in foundation ditch Stress cable bolting structure, certainly, this double-jacket tube rig can also be used in other borehole environment, is not limited to this Utilization in embodiment.
Double-jacket tube rig includes creeping into sleeve pipe 205, creeping into drilling rod 206 and unit head 201, wherein, creeps into drilling rod 206 are positioned at the inside creeping into sleeve pipe 205, and creep into drilling rod 206 and creep into have between sleeve pipe 205 and creep into gap, between this creeps into Gap shape ringwise, the lower end creeping into drilling rod 206 has cutting bit 207, say, that soil layer can be entered by this cutting bit 207 Row cutting;Creep into the lower end of sleeve pipe 205 to have and lead drill bit 208 in open state, say, that it is main that this leads drill bit 208 Undertake front end guide and creep into effect, itself and the retaining wall effect in trocar sheath shared drilling process.Cutting bit 207 is positioned at set The inside of pipe, and, have between cutting bit 207 and the lower end creeping into sleeve pipe 205 and creep into spacing, say, that cutting burr 207 are positioned at the top leading drill bit 208, and lead to have between drill bit 208 and above-mentioned creep into spacing.
In the present embodiment, unit head 201 creeps into drilling rod 206 for driving and creeps into sleeve pipe 205 and rotate, so, when dynamic When power 201 starts, it drives to creep into sleeve pipe 205 and creep into drilling rod 206 and rotates simultaneously, and the brill of leading crept on sleeve pipe 205 bores 208 creep into, and guide and whole creep into creeping into of sleeve pipe 205, but lead drill bit 208 and will not cut soil layer, are only Lead brill;Creep into drilling rod 206 to creep into creeping into of sleeve pipe 205 also with whole and creep into, and, cutting bit 207 is to entrance Cut with the soil layer crept in spacing, to realize the effect of boring.
In the present embodiment, double-jacket tube rig also includes deslagging head, and this deslagging head is arranged in unit head 201 and creeps into set Between pipe 205, say, that unit head 201 is connected to the upper end of deslagging head, the lower end of deslagging head respectively with creep into sleeve pipe 205 Upper end and creep into drilling rod 206 upper end connect, so, unit head 201 by drive deslagging head, and then, deslagging head drives simultaneously Dynamic creep into sleeve pipe 205 and creep into drilling rod 206 so that creep into sleeve pipe 205 and creep into drilling rod 206 and creep in soil layer.
Having deslagging gap in deslagging head, this deslagging gap connects with creeping into gap;The sidewall of deslagging head has Slag-drip opening 204, this slag-drip opening 204 and deslagging gap and ft connection, so, double-jacket tube rig is in the process of boring In, the water under high pressure that carry soil slag is back in deslagging gap by creeping into gap, and gets rid of outside via slag-drip opening 204.
Double-jacket tube rig, while boring, creeps in drilling rod 206 and constantly injects water under high pressure in hole, due to cutting Drill bit 207 and lead between drill bit 208 exist creep into spacing, so, the soil body of non-Drilling, shape can be there is in this creeps into spacing Cheng Tusai, this soil plug can give the environment creeping into creation relative closure of cutting bit 207, by creeping into injection in drilling rod 206 Water under high pressure under the obstruct of soil plug, then can carry soil slag by creeping into drilling rod 206 and creeping into and creep into gap court between sleeve pipe 205 On be back in the deslagging gap of deslagging head, and discharged outside by slag-drip opening 204.
The double-jacket tube rig utilizing above-mentioned offer is holed, and the water under high pressure in hand-hole carries soil slag by creeping into Drilling rod 206 and the gap of creeping into crept between sleeve pipe 205 are back in the deslagging gap of deslagging head upward, and by slag-drip opening 204 Discharge outside, it is to avoid water under high pressure returns out between sleeve pipe 205 and hole wall by creeping into, can be effective from the hole wall without scour out type hole Reduce soil erosion amount, reduce the settling amount of foundation ditch surrounding ground, pipeline, building etc., to protection foundation ditch surrounding ground, pipe The safety of line, building etc. has the effect of reality, has the biggest practical value and dissemination, it is to avoid it is hidden that foundation ditch exists safety Suffer from.
Specifically, deslagging gap shape ringwise is arranged so that deslagging gap and the connected region crept between gap are bigger, Easily facilitate the return of the water under high pressure carrying soil slag.
Being provided with multiple slag-drip opening 204 in the sidewall of deslagging head, the plurality of slag-drip opening 204 is around the periphery cloth of deslagging head Put, so, be conducive to entering the discharge of the water under high pressure carrying soil slag in deslagging gap.
In the present embodiment, deslagging head includes connecting sleeve pipe 202 and jointed rod 203, and wherein, jointed rod 203 is placed in Connect in sleeve pipe 202, and jointed rod 203 is formed with above-mentioned deslagging gap, above-mentioned slag-drip opening with being connected between sleeve pipe 202 204 are formed in the sidewall connecting sleeve pipe 202.
Connect the upper end of the upper end of sleeve pipe 202 and jointed rod 203 respectively with the connection of unit head 201, connect sleeve pipe The lower end of 202 is connected with the upper end creeping into sleeve pipe 205, and the lower end of jointed rod 203 is connected with the upper end creeping into drilling rod 206, this Sample, when unit head 201 drive connection drilling rod 203 and connection sleeve pipe 202 rotate, jointed rod 203 then drives and creeps into drilling rod 206 rotate, and connect sleeve pipe 202 and then drive and creep into sleeve pipe 205 and rotate.
In the present embodiment, the upper end of jointed rod 203 and the upper end of connection sleeve pipe 202 respectively and lead between unit head 201 Cross threaded, the lower end of jointed rod 203 and connect the lower end of sleeve pipe 202 the most corresponding threaded with creep into drilling rod 206 Upper end and creep into the upper end of sleeve pipe 205.
Specifically, unit head 201 is provided with union joint 215, is provided with the first connecting hole, union joint 215 in this union joint 215 Periphery be provided with the first external screw thread 216, accordingly, the medial wall connecting sleeve pipe 202 upper end is provided with the first female thread 212, and this is the years old One female thread 212 engages with the first external screw thread 216 of union joint 215, so that the upper end connecting sleeve pipe 202 is socketed in connection The periphery of 215;Being provided with the second female thread 217 in first connecting hole, the periphery of the upper end of jointed rod 203 is provided with the second outer spiral shell Stricture of vagina 214, the second female thread 217 that this second external screw thread 214 is engaged in the first connecting hole of union joint 215 so that connect and bore The upper end of bar 203 is placed in the first connecting hole of union joint 215.
Connect the periphery of lower end of sleeve pipe 202 and be provided with the 3rd external screw thread 211, accordingly, creep into upper end interior of sleeve pipe 205 Being provided with the 3rd female thread in sidewall, so, the lower end connecting sleeve pipe 202 is placed in the upper end creeping into sleeve pipe 205, and the 3rd outer spiral shell Stricture of vagina 211 engages with the 3rd female thread;The lower end of jointed rod 203 is provided with the second connecting hole, this second connecting hole is provided with Four female threads 213, accordingly, the periphery of the upper end creeping into drilling rod 206 is provided with the 4th external screw thread, so, creeps into the upper of drilling rod 206 End is placed in the second connecting hole of jointed rod 203, and the 4th external screw thread and the 4th female thread 213 engage.
Above-mentioned connection sleeve pipe 202 and creeping between sleeve pipe 205 by screw-threaded engagement so that connect sleeve pipe 202 and creeping into Stable connection and closing between sleeve pipe 205, it is ensured that the integrity of whole double-jacket tube rig.
When boring, along with the hole depth crept into lengthens, then can not connection breaking be multiple creeps into drilling rod 206 and multiple creep into Sleeve pipe 205, constantly lengthen creep into drilling rod 206 with creep into sleeve pipe 205 length, circulation is crept into until being drilled into the design anchor cable degree of depth.
In the present embodiment, cutting bit 207 and lead between drill bit 208 exist the length range creeping into spacing be Between 10cm-20cm, so, during boring, there is the length model of the soil plug crept in spacing in double-jacket tube rig Between enclosing for 10cm-20cm.
The lower end creeping into sleeve pipe 205 has bottom opening, and above-mentioned drill bit 208 of leading includes that multiple being formed at creeps into sleeve pipe 205 lower end periphery vertically bore tooth, so, when double-jacket tube rig is during boring, this vertically bore tooth simply lead into Effect, soil layer will not be cut;The Drilling bore bit of the lower end creeping into drilling rod 206 is full tooth SANYE wedge angle drill bit.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model Protection domain within.

Claims (8)

1. the deslagging head of double-jacket tube rig, it is characterised in that the deslagging head of described double-jacket tube rig is arranged in power Head and creep between sleeve pipe, described deslagging head has and described creep into sleeve pipe and described in creep into and creep into gap even between drilling rod Logical deslagging gap, is communicated with deslagging gap and outside and for discharging the high pressure carrying soil slag in the sidewall of described deslagging head The slag-drip opening of water.
2. the deslagging head of double-jacket tube rig as claimed in claim 1, it is characterised in that described deslagging gap shape ringwise Arrange.
3. the deslagging head of double-jacket tube rig as claimed in claim 1, it is characterised in that have in the sidewall of described deslagging head Having multiple described slag-drip opening, multiple described slag-drip openings are arranged around the periphery of described deslagging head.
4. the deslagging head of the double-jacket tube rig as described in any one of claims 1 to 3, it is characterised in that described deslagging head Including be connected to described unit head and the connection sleeve pipe creeping between sleeve pipe and be connected to described unit head and creep into drilling rod it Between jointed rod;Described jointed rod is placed in described connection sleeve pipe, and has described deslagging with described connection between sleeve pipe Gap, described slag-drip opening is formed in the sidewall of described connection sleeve pipe.
5. the deslagging head of double-jacket tube rig as claimed in claim 4, it is characterised in that described unit head has connection Head, the periphery of described union joint is provided with the first external screw thread, and the medial wall of the upper end of described connection sleeve pipe has and described union joint Threaded the first female thread of the first external screw thread.
6. the deslagging head of double-jacket tube rig as claimed in claim 5, it is characterised in that have first in described union joint Connecting hole, is provided with the second female thread in described first connecting hole, the periphery of the upper end of described jointed rod is provided with and is connected with described Threaded second external screw thread of second female thread of head.
7. the deslagging head of double-jacket tube rig as claimed in claim 6, it is characterised in that described in creep into the upper end of sleeve pipe Medial wall is provided with the 3rd female thread, and the periphery of the lower end of described connection sleeve pipe is provided with threadeded with described 3rd female thread Three external screw threads.
8. the deslagging head of double-jacket tube rig as claimed in claim 7, it is characterised in that described in creep into the upper end of drilling rod Periphery is provided with the 4th external screw thread, is provided with the second connecting hole in the lower end of described jointed rod, described second connecting hole is provided with Described 4th external screw thread is threaded in the 4th female thread.
CN201620545364.2U 2016-06-06 2016-06-06 The deslagging head of double-jacket tube rig Expired - Fee Related CN205805454U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620545364.2U CN205805454U (en) 2016-06-06 2016-06-06 The deslagging head of double-jacket tube rig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620545364.2U CN205805454U (en) 2016-06-06 2016-06-06 The deslagging head of double-jacket tube rig

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150105A (en) * 2017-12-25 2018-06-12 郑州默尔电子信息技术有限公司 A kind of environment-friendly dustless type water conservancy cutting drilling device
CN112502754A (en) * 2020-07-30 2021-03-16 厦门能巧堂建筑工程有限公司 Construction method of oversized-diameter anchoring body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150105A (en) * 2017-12-25 2018-06-12 郑州默尔电子信息技术有限公司 A kind of environment-friendly dustless type water conservancy cutting drilling device
CN108150105B (en) * 2017-12-25 2020-06-02 杨宏伟 Dustless type water conservancy cutting perforator of environmental protection
CN112502754A (en) * 2020-07-30 2021-03-16 厦门能巧堂建筑工程有限公司 Construction method of oversized-diameter anchoring body

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161214