CN104988917B - A kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof - Google Patents
A kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof Download PDFInfo
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- CN104988917B CN104988917B CN201510410266.8A CN201510410266A CN104988917B CN 104988917 B CN104988917 B CN 104988917B CN 201510410266 A CN201510410266 A CN 201510410266A CN 104988917 B CN104988917 B CN 104988917B
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Abstract
The invention discloses a kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof, including push rod and churning drilling rod, push rod one end is connected with borer drill rod, churning drilling rod is provided with some tungsten burs, axially and radially nozzle, churning drilling rod is connected with push rod, and single direction thrust ball bearing endoporus coordinates with push rod shaft shoulder cylindrical, and bearing top circle matches with bearing block.Radially revolution gap is left between inner hole of bearing seat and push rod cylindrical, end face and push rod step end face leave axial gap, passage within anchor cable inserter communicates with nozzle axially and radially, the present invention makes full use of the ability that rig self is had, the installation of anchor cable in enforcement hole, when occurring in hole that caving in or fall block anchor cable advances difficulty, anchor cable inserter rotary drilling can be passed through, the chip near nozzle removing axially and radially arranged, and can directly slip casting after anchor cable is installed and put in place, shorten the anchor cable set-up time, reduce human resources to consume, ensure grouting quality, job specfication and design requirement can be met.
Description
Technical field
The present invention relates to a kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof, install relevant with the auxiliary mounting tool of mortar depositing construction with Rock And Soil reinforcing engineering stream line.
Background technology
In Rock And Soil reinforcing engineering, the many anchor cables of traditional deep hole are installed and are all applied the strategy of throwing waves of people into action, have that labor intensity is big, long construction period, inefficient problem, it is difficult to reach the construction target of " efficient, quick ", and anchor cable installation puts in place, and difficulty is big, safety and reliability is poor, it is not easy to meet job specfication and design requirement.
Along with development and the unremitting effort of domestic institutes research worker of science and technology, have developed some anchor cable rapid installation devices.Patent of invention ZL200910263577.0 anchor cable auxiliary mounting system, mainly include device at the bottom of hole, send device outside rope device and hole, first device at the bottom of hole is delivered to anchor cable hole inner bottom part during use, it is mechanically fixed by machinery, then reconnect anchor cable and send rope device, specify position in anchor cable being installed to hole with device synergy outside hole, finally take out and send rope device, carry out next step construction of anchor cable.This patented technology improves the engineering reliability of anchor cable installation rate and installation to a certain extent, but operates relatively cumbersome, constructs the most convenient, it is impossible to reach the target of " efficient, quick ".The anchor cable mounting auxiliaries such as Pneumatic long anchorage cable mounting plate, use pressure wind to be used as power, and utilize the modes such as push rod to be installed by anchor cable and put in place, but it is not satisfactory to install effect, fails large scale application.It addition, ancillary technique installed by current existing anchor cable, all it is not suitable for the installation of novel Recyclable anchor rope.
Summary of the invention
nullDuring in order to overcome by manually installed anchor cable，Due to the quality of anchor cable and resistance is caused to increase with the degree of depth increase in anchor cable insertion hole，And the working space of personnel diminishes，Result causes anchor cable cannot be inserted at the bottom of hole，Particularly cave in when occurring in hole、Fall block、During undergauge，Anchor cable more cannot be inserted at the bottom of hole，The present invention proposes a kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof，The anchor cable erecting device of a kind of compact is provided，It is connected by the drilling rod with rig，By drilling rod, high-pressure rotary-spray formula anchor cable inserter is advanced at the bottom of hole together with anchor cable carrying end cap，High-pressure rotary-spray formula anchor cable inserter is rotatable under water jets under high pressure coordinates to creep into，Play the effect of drill bit，And chip can be removed by axially and radially nozzle，When advancing high-pressure rotary-spray formula anchor cable inserter to after at the bottom of hole，Slip casting can be directly carried out by drilling rod and anchor cable inserter.This device makes full use of the ability that rig self has, and can efficiently and rapidly realize installation and the slip casting of anchor cable, is applicable not only to the installation of common anchor cable, and is particularly suitable for the construction and installation of Recyclable anchor rope.
The technical solution adopted for the present invention to solve the technical problems is:
One high-pressure rotary-spray formula anchor cable inserter of the present invention, including push rod, churning drilling rod, single direction thrust ball bearing, bearing block, axial nozzle, radial nozzles and tungsten bur；
Described push rod is a multidiameter, is provided with through push rod axial passage in multidiameter；Multidiameter big end bore design has trapezoidal thread, and multidiameter small end cylindrical is respectively arranged with the axle journal with single direction thrust ball bearing inner hole and the external screw thread coordinated with churning drilling rod；
Single direction thrust ball bearing inner ring matches with the axle journal of push rod, the inner hole of outer ring and bearing block；Push rod is connected with churning drilling rod after installing bearing and bearing block again；
Churning drilling rod is shaft-like structure, eccentric through churning drilling rod axial passage is offered inside churning drilling rod, one end bore design of churning drilling rod has female thread to mate with the external screw thread of push rod, make both be connected, and push rod axial passage and churning drilling rod axial passage connect；
The position that the other end of churning drilling rod is designed to double inclined plane, double inclined plane intersects is disposed with multiple tungsten bur in linear manner, churning drilling rod nearly bibeveled end external cylindrical surface offers upper groove and low groove the most respectively, churning drilling rod axial passage exceeds the bottom land of upper groove, upper groove axial end is equipped with the axial nozzle connected with churning drilling rod axial passage, low groove bottom land has the radial passage being connected with churning drilling rod axial passage, equipped with radial nozzles on the end face of radial passage.
Leave radially revolution gap between inner hole of bearing seat and push rod cylindrical, between bearing block end face and push rod step end face, leave axial gap.
Flat of the symmetry being connected installation clamping for push rod with borer drill rod it is provided with on push rod cylindrical.
Invention also provides the construction method of a kind of described high-pressure rotary-spray formula anchor cable inserter, comprise the following steps:
1), assembling high-pressure rotary-spray formula anchor cable inserter: first single direction thrust ball bearing and bearing block are installed on push rod, then the female thread of churning drilling rod and the external screw thread of push rod are screwed fastening, the through axial passage of the bias offered inside the high-pressure rotary-spray formula anchor cable inserter passage assembled and churning drilling rod is connected, and forms axial water jets under high pressure and a slip casting passage；
2) construction: after boring of having constructed, being inserted in anchor cable bearing end cap bore or Recyclable anchor rope bearing end cap bore one end of high-pressure rotary-spray formula anchor cable inserter churning drilling rod, bearing block end face develops with bearing end capping, inserts in the hole after completing to connect；The trapezoidal external screw thread of borer drill rod is connected with the trapezoidal internal thread of push rod, utilizes rig plus-pressure to advance high-pressure rotary-spray formula anchor cable inserter, start high-pressure pump simultaneously and use the little water yield, prevent inserter internal channel from blocking；When occurring in hole caving in, the problem such as undergauge time, coordinate high-pressure rotary-spray formula anchor cable inserter rotary drilling by water jets under high pressure, when no problem in hole, anchor cable is installed at the bottom of hole, directly use borer drill rod slip casting operation.
The trapezoidal thread of push rod one end endoporus, is connected with the trapezoidal external screw thread of borer drill rod,
After bearing and bearing block complete to install on push rod, radially revolution gap is left between inner hole of bearing seat and push rod cylindrical, axial gap is left between bearing block end face and push rod step end face, when ensureing anchor cable inserter rotary drilling, anchor cable carrying end cap remains stationary as with bearing block, prevents anchor cable bearing end cover strip from moving anchor cable and rotates.
Churning drilling rod axial passage on churning drilling rod communicates with radial passage, and push rod and churning drilling rod form a through axial passage after connecting, and nose end is respectively provided with nozzle, and two nozzles, in axially and radially arranging, are the passages of water jets under high pressure and slip casting.Push rod is directly connected to borer drill rod, utilizes the ability that rig self is had, the installation of anchor cable in enforcement hole；Caving in there is hole or fall block, when anchor cable advances difficulty, can pass through anchor cable inserter rotary drilling, during rotary drilling, water jets under high pressure acts on removing chip the most simultaneously, and installing can directly slip casting after putting in place.
In anchor cable progradation, bearing block end face remains with anchor cable bearing end capping to be close to, when run into occur in hole caving in or fall block anchor cable advance difficulty time, anchor cable inserter is rotatable under water jets under high pressure coordinates to creep into, and reaches efficiently, the purpose of Fast Installation anchor cable.Push rod one end of high-pressure rotary-spray formula anchor cable inserter is provided with single direction thrust ball bearing and bearing block, can prevent when churning drilling rod rotary drilling, affects with rig plus-pressure, and anchor cable bearing end cover strip is moved anchor cable and rotated with it.
The invention has the beneficial effects as follows, the present invention can make full use of the ability that rig self is had, the installation of anchor cable in enforcement hole, particularly when occurring in hole that caving in or fall block anchor cable advances difficulty, anchor cable inserter rotary drilling can be passed through, and can directly carry out slip casting after installation puts in place, shorten the anchor cable set-up time, reduce human resources to consume, it is ensured that install and grouting quality, job specfication and design requirement can be met.
Present configuration compact, convenient to operation, to install effective, number of parts is few, it is adaptable to the installation of common anchor cable, is particularly suitable for the construction and installation of Recyclable anchor rope.
Accompanying drawing explanation
Fig. 1 is this inventive structure schematic diagram.
Fig. 2 is bearing holder mounting structure schematic diagram of the present invention.
Detailed description of the invention
High-pressure rotary-spray formula anchor cable implantation device of the present invention, including push rod 1, churning drilling rod 10, single direction thrust ball bearing 5, bearing block 7, axial nozzle 13 and radial nozzles 18, tungsten bur 15；Push rod 1 is a multidiameter, big end bore design has trapezoidal thread 2, match with the trapezoidal external screw thread of borer drill rod and be connected transmission power, the flat face of symmetry 4 being connected installation clamping for push rod with borer drill rod is had on cylindrical, having external screw thread 8 and the axle journal 6 with single direction thrust ball bearing 5 inner hole on the cylindrical of multidiameter small end end, multidiameter has through axial passage 3；nullChurning drilling rod 10 is shaft-like structure，Drilling rod one end bore design has female thread 9，Mate with the external screw thread 8 of push rod 1，The other end of drilling rod is designed to double inclined plane 16，The position that double inclined plane intersects is disposed with some tungsten burs 15 in linear manner，Close end external cylindrical surface respectively has upper groove 14 and low groove 17，Churning drilling rod 10 is internal offers eccentric through axial passage 11，Passage exceeds the bottom land of upper groove 14，Low groove 17 bottom land has radial passage 12，It is connected with axial passage 11，It is respectively provided with axial nozzle 13 and radial nozzles 18 on axial and low groove radial passage end face at upper groove，The inner ring of single direction thrust ball bearing 5 matches with the axle journal 6 of push rod 1，Outer ring and the inner hole of bearing block 7，As shown in Figure 2，Radial clearance 7-1 is left between the end face of the bearing block 7 after installing and push rod 1 step end face，Axial gap 7-2 is left through between the cylindrical of push rod 1 and bearing block 7 endoporus of bearing block 7 endoporus.
First single direction thrust ball bearing 5 and bearing block 7 are installed on push rod 1, then the external screw thread 8 of the female thread 9 of churning drilling rod 10 with push rod 1 is screwed fastening, the through axial passage 11 of the bias offered inside the high-pressure rotary-spray formula anchor cable inserter passage 3 assembled and churning drilling rod is connected, and forms axial water jets under high pressure and a slip casting passage；Having constructed after boring, inserted in anchor cable bearing end cap bore or Recyclable anchor rope bearing end cap bore one end of high-pressure rotary-spray formula anchor cable inserter churning drilling rod 10, bearing block 7 end face develops with bearing end capping, inserts in the hole after completing to connect；The trapezoidal external screw thread of borer drill rod is connected with the trapezoidal internal thread 2 of push rod 1, utilizes rig plus-pressure to advance high-pressure rotary-spray formula anchor cable inserter, start high-pressure pump simultaneously and use the little water yield, prevent inserter internal channel from blocking.When occurring in hole caving in, the problem such as undergauge time, coordinate high-pressure rotary-spray formula anchor cable inserter rotary drilling by water jets under high pressure, the axially and radially nozzle that inserter is arranged, is the important guarantee installed smoothly of anchor cable；When no problem in hole, anchor cable is installed at the bottom of hole, can directly use borer drill rod slip casting operation, improves grouting quality.
It is last that it is noted that obviously above-described embodiment is only for clearly demonstrating this utility model example, and not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus amplified out or variation still in protection domain of the present utility model among.
Claims (4)
1. a high-pressure rotary-spray formula anchor cable inserter, it is characterised in that: include push rod, churning drilling rod, single direction thrust ball bearing, bearing block, axial nozzle, radial nozzles and tungsten bur；
Described push rod is a multidiameter, is provided with through push rod axial passage in multidiameter；Multidiameter big end bore design has trapezoidal thread, and multidiameter small end cylindrical is respectively arranged with the axle journal with single direction thrust ball bearing inner hole and the external screw thread coordinated with churning drilling rod；
Single direction thrust ball bearing inner ring matches with the axle journal of push rod, the inner hole of outer ring and bearing block；Push rod is connected with churning drilling rod after installing bearing and bearing block again；
Churning drilling rod is shaft-like structure, eccentric through churning drilling rod axial passage is offered inside churning drilling rod, one end bore design of churning drilling rod has female thread to mate with the external screw thread of push rod, make both be connected, and push rod axial passage and churning drilling rod axial passage connect；
The position that the other end of churning drilling rod is designed to double inclined plane, double inclined plane intersects is disposed with multiple tungsten bur in linear manner, churning drilling rod nearly bibeveled end external cylindrical surface offers upper groove and low groove the most respectively, churning drilling rod axial passage exceeds the bottom land of upper groove, upper groove axial end is equipped with the axial nozzle connected with churning drilling rod axial passage, low groove bottom land has the radial passage being connected with churning drilling rod axial passage, equipped with radial nozzles on the end face of radial passage.
2. high-pressure rotary-spray formula anchor cable inserter as claimed in claim 1, it is characterised in that: leave radially revolution gap between inner hole of bearing seat and push rod cylindrical, between bearing block end face and push rod step end face, leave axial gap.
3. high-pressure rotary-spray formula anchor cable inserter as claimed in claim 1 or 2, it is characterised in that: it is provided with flat of the symmetry being connected installation clamping for push rod with borer drill rod on push rod cylindrical.
4. the construction method of arbitrary described high-pressure rotary-spray formula anchor cable inserter of claim 1-3, it is characterised in that comprise the following steps:
1), assembling high-pressure rotary-spray formula anchor cable inserter: first single direction thrust ball bearing and bearing block are installed on push rod, then the female thread of churning drilling rod and the external screw thread of push rod are screwed fastening, the through axial passage of the bias offered inside the high-pressure rotary-spray formula anchor cable inserter passage assembled and churning drilling rod is connected, and forms axial water jets under high pressure and a slip casting passage；
2) construction: after boring of having constructed, being inserted in anchor cable bearing end cap bore or Recyclable anchor rope bearing end cap bore one end of high-pressure rotary-spray formula anchor cable inserter churning drilling rod, bearing block end face develops with bearing end capping, inserts in the hole after completing to connect；The trapezoidal external screw thread of borer drill rod is connected with the trapezoidal internal thread of push rod, utilizes rig plus-pressure to advance high-pressure rotary-spray formula anchor cable inserter, start high-pressure pump simultaneously and use the little water yield, prevent inserter internal channel from blocking；When occurring in hole caving in, undergauge time, coordinate high-pressure rotary-spray formula anchor cable inserter rotary drilling by water jets under high pressure, when no problem in hole, anchor cable is installed at the bottom of hole, directly use borer drill rod slip casting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410266.8A CN104988917B (en) | 2015-07-14 | 2015-07-14 | A kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410266.8A CN104988917B (en) | 2015-07-14 | 2015-07-14 | A kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof |
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| Publication Number | Publication Date |
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| CN104988917A CN104988917A (en) | 2015-10-21 |
| CN104988917B true CN104988917B (en) | 2016-08-31 |
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| CN201510410266.8A Active CN104988917B (en) | 2015-07-14 | 2015-07-14 | A kind of high-pressure rotary-spray formula anchor cable inserter and construction method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322220C (en) * | 2003-05-09 | 2007-06-20 | 陆观宏 | Drill expanding aiguille of anchor shaft, anchor cable, stake and drill expanding technology |
| ITPC20070010A1 (en) * | 2007-02-14 | 2008-08-15 | Cesare Melegari | EQUIPMENT AND METHOD FOR THE REALIZATION OF MICROPALS IN THE GROUND, IN PARTICULAR FOR THE ANCHORING OF ACTIVE TIRES |
| DE102008014700A1 (en) * | 2008-03-18 | 2009-09-24 | Dywidag-Systems International Gmbh | Corrosion-protected self-drilling anchor and method for its production |
| CN202969378U (en) * | 2012-11-23 | 2013-06-05 | 浙江中桥预应力设备有限公司 | Detachable anchor cable |
| CN203361148U (en) * | 2013-06-06 | 2013-12-25 | 济南百士岩土工程有限公司 | High-pressure jet grouting anchor cable |
| CN204825883U (en) * | 2015-07-14 | 2015-12-02 | 浙江中桥预应力设备有限公司 | Ware is put into to high pressure jet formula anchor rope |
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