CN201158819Y - Self-propelling anchoring-rob capable of exhaustion - Google Patents
Self-propelling anchoring-rob capable of exhaustion Download PDFInfo
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- CN201158819Y CN201158819Y CNU2008200621863U CN200820062186U CN201158819Y CN 201158819 Y CN201158819 Y CN 201158819Y CN U2008200621863 U CNU2008200621863 U CN U2008200621863U CN 200820062186 U CN200820062186 U CN 200820062186U CN 201158819 Y CN201158819 Y CN 201158819Y
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Abstract
The utility model relates to a self-feeding rock bolt which can exhaust, which comprises a drill bit, a hollow rock bolt, a multifunctional connecting sleeve, a hollow rock bolt, a multifunctional fiber sleeve and a fiber tail which are connected in turn, a channel which communicates the front hollow rock bolt and the rear tail wail is arranged in the multifunctional fiber sleeve, and the channel is formed by a vertical channel and two horizontal channels, a pulp outlet channel and an exhaust channel are arranged in the multifunctional connecting sleeve, the pulp outlet channel is communicated with the hollow rock bolt on the rear portion of the pulp outlet channel, and a pulp outlet is arranged on the lateral surface, the exhaust channel is communicated with the hollow rock bolt in front of the exhaust channel, an exhaust pipe is inserted on the rear portion of the exhaust pipe, when an anchor hole is constructing, a plurality of fiber sleeves which are inserted on the rear portion of the exhaust pipe is vertically pushed to plug the horizontal channels which are communicated with the hollow rock bolt, which are extended out of a grouting piston when in grouting construction. The horizontal channels which are communicated with the hollow rock bolt are plugged. The self-feeding rock bolt which can exhaust injects water when a hole is drilled, and exhausts in grouting, and can effectively exhaust air in the anchor hole in upwards grouting, and the engineering qualities of grouting and anchoring are improved.
Description
Technical field
The utility model relates to the facility that is used for the geotechnical engineering anchoring, be specifically adopt the self-advancing type hollow bolt and with the supporting use of rig, have anchor hole anchor rod anchored system of degassing function when water filling deslagging function and slip casting function, slip casting when creeping into function, boring.
Background technology
Self-feeding anchor pile is made up of hollow bolt body and boring anchor head.The self-feeding anchor pile system is except having the higher shortcoming of drill bit (alloy bit) cost, be widely used in the anchoring engineering of soft rock-soil layer, as, often be applied in collapse hole operation and the dangerous operation construction, because its boring, slip casting operation are once carried out, have save man-hour, the advantage of reduction of erection time.
The anchor pole system on the one hand, forms anchored force by anchor head and crag to the support action of rock-soil layer, thereby control rock mass deformation, on the other hand, the more important thing is by comprising anchor bar body loose rock-soil layer is fixedly for one, form the anchoring support effect at interior grouting reinforcement body.Therefore, the quality of geotechnical engineering anchoring quality, the one, determined (anchor pole is in the stratum for a long time, and its metal anchors body of rod is subjected to various chemical erosions and electrochemical etching unavoidably and loses due mechanical performance, and this material and corresponding anti-corrosion measure by anchor pole is determined) by life-span of anchor pole; The 2nd, determined (the interior slurry placement of anchor hole is not full, forms cavity, crack in the grouting reinforcement body, causes its anchorage effect to descend) by the cement mortar filling quality in the anchor hole.The filling of the cement mortar full problem that whether air in the anchor hole can be discharged smoothly in the slip casting process that often depends on whether in the anchor hole.And existing self-advancing type hollow bolt has problems aspect the discharge of air in the anchor hole when drilling holes and late grouting is constructed, particularly when top rade being arranged or make progress slip casting, can not discharge air in the anchor hole smoothly, thereby cause slip casting not full,, defective that grouting quality is not good enough.For example, during construction, the connected mode of each device is: anchor head is screwed on the anchor bar body (extending with adapter sleeve between the anchor bar body), and anchor bar body and fine tail are screwed in fibre respectively and put, and fine tail is driven by rig.During drilling construction, rig drives fine tail and rotates, anchor head (playing the drill bit effect) is rotated to creep in ground, simultaneously, from the water filling of fine tail inner chamber, flow out through the perforate from the anchor head at last of fibre cover, hollow bolt and adapter sleeve, flow out from the anchor hole front portion to the aperture, rear portion again, water the outside outflow process, is taken landwaste, rubble in the hole outside the anchor hole out of in anchor hole simultaneously; During mortar depositing construction, cement mortar is progressively carried out filling backward in the past, and simultaneously air in the anchor hole is from inside to outside discharged after above-mentioned same waterflood path flows out from the anchor head top drilling in anchor hole.Certain top rade slip casting is being arranged or upwards under the slip casting situation, after cement mortar is come out from anchor head, owing to the self gravitation reason, at first with (the anchor hole perforate position) filling of anchor hole rear portion and its exhaust passage of shutoff, finally cause the anterior air of anchor hole to be difficult to smooth discharge, cause the not full drawback of slurry placement in the anchor hole.
The utility model content
But the purpose of this utility model provides a kind of exhaust self-feeding anchor pile that has boring, water filling, slip casting, degassing function concurrently, the discharge problem of air in the anchor hole when making progress slip casting with thorough solution.
But this novel purpose is achieved in that a kind of exhaust self-feeding anchor pile, comprise the drilling type anchor head, hollow bolt, as be screwed in hollow bolt with by the fibre cover between the fine tail of rig driving, fine cover is multi-functional fine cover, it is the rotary body of cross sectional shape similar " H " shape, be provided with the passage that is communicated with hollow bolt and fine tail in it, the edge fibre overlaps the vertical passageway of axis one side layout and overlaps horizontally set along fibre in this passage, the one end is communicated with the vertical passageway respectively, the other end is communicated with two horizontal channels of fine tail and hollow bolt respectively and forms, and the vertical passageway internal diameter is more than or equal to the internal diameter that connects the horizontal channel that is communicated with hollow bolt, smaller or equal to the internal diameter of the horizontal channel that directly is communicated with fine tail; When also having the mortar depositing construction of being used for, insert in the vertical passageway and the sunk type conduit of shutoff horizontal channel and be blocked in plug on the opening of vertical passageway when being used for drilling construction in earlier stage; The multi-functional adapter sleeve that also has the interior exhaust of anchor hole when being used for mortar depositing construction: its upper and lower end is equipped with the internal thread that is used to connect hollow bolt, be provided with the pulp passage that is communicated with hollow bolt in it, the grout outlet of pulp passage is arranged on its side, be provided with the exhaust passage that is communicated with hollow bolt in it, rear end, exhaust passage grafting stack, the stack rear end is screwed in when anchor hole is constructed on the vertical passageway of multi-functional fine cover, stretches out when mortar depositing construction beyond the stop grouting plug.
This novel course of work is as follows:
Drilling construction carries out water filling or inflation (high pressure gas simultaneously, this sentences water filling is that example is narrated) operation, water is flowed through fine tail and multi-functional fine cover (at this moment in turn, do not insert conduit in the vertical passageway of fine cover, plug exports shutoff with it, water enters from a horizontal channel, flow out from another horizontal channel), flow out from the horizontal channel of fibre cover, the hollow bolt of flowing through in turn again (refers to the hollow bolt body of rod, down together), and anchor head, perforate is flowed out and is entered the anchor hole front portion from the anchor head, again through anchor hole in the past backward (from inside to outside promptly) flow out, take the rubble that boring forms simultaneously out of; The drilling construction later stage, (with 8 meters of the anchor hole degree of depth was example, only remaining 0.5 meter hole waits to bore), can be with multi-functional adapter sleeve through hollow bolt (grouting, size is shorter) be connected multi-functional fine cover front end, simultaneously, the exhaust passage that stack one end is connected multi-functional adapter sleeve, the other end inserts among the vertical passageway of this fibre cover, and the horizontal channel shutoff that will be communicated with hollow bolt (at this moment, plug on the vertical passageway takes off, the stack lower end is higher than on the horizontal channel that is communicated with fine tail, and be lower than with horizontal channel that hollow bolt is communicated with on, the horizontal channel shutoff that will be communicated with hollow bolt), finish remaining drilling construction again.
During boring, the flow path approach of water then is: the exhaust passage → hollow bolt → anchor head of the vertical passageway → stack → multi-functional adapter sleeve of fine tail → multi-functional fine cover.
During mortar depositing construction, take off multi-functional fine cover, the hollow bolt of multi-functional adapter sleeve rear end is used with slurry filling machine as Grouting Pipe be connected, simultaneously, stack (put screw off from multi-functional fibre) outer end is stretched out beyond the stop grouting plug.During slip casting, slurry pressurizes through slurry filling machine, through hollow bolt, flow out through the slip casting passage of multi-functional adapter sleeve again, enter the anchor hole rear portion, from the anchor hole rear portion to progressively filling of front portion, until at last the inner chamber of hollow bolt all being full of, in the time of slip casting, the flow path of air is in the anchor hole: from the anchor hole rear portion beyond the exhaust passage → stack → stop grouting plug of front portion → anchor head → hollow bolt → multi-functional adapter sleeve.
Compared with prior art, this novelly has following characteristics and an advantage:
1, be skillfully constructed, simple in structure, manufacturing cost increases few, construct easy to use, creep into slip casting and once finish.
The difficult problem that air is discharged in the anchor hole when 2, thoroughly having solved slip casting has improved the slip casting anchorage engineering quality.
Water filling simultaneously is to discharge hack, rubble in the anchor hole when drilling construction, discharge air in the anchor hole during mortar depositing construction simultaneously, since slurry in anchor hole be from after forward (with drilling direction be as the criterion, down with) progressively filling, and air in anchor hole from after discharge forward, (anchor head, hollow bolt and multi-functional adapter sleeve, stack etc.) in the past backward, discharge outside the anchor hole at last again through anchor system inside.The problem that air is discharged in the anchor hole when thoroughly having solved upwards mortar depositing construction.
3, multi-functional fine cover can use repeatedly, helps reducing construction cost, and multi-functional fine cover only uses in the anchor hole stage, and slip casting was taken off during the stage: for using next time again.
4, be provided with slip casting passage and exhaust passage (exhaust tube coupling) in the multi-functional adapter sleeve, it is the critical component of exhaust when solving slip casting, can certainly be applied in whole anchor hole water filling or the gas replenishment process, also can (best) only be used in the boring last stage operation.
Description of drawings
Fig. 1 Fig. 2 is respectively the front view (section) and the left view of multi-functional fine cover;
Fig. 3 Fig. 4 is the front view (section) and the left view of multi-functional adapter sleeve;
Fig. 5 is drilling construction when early stage (boring early stage need not multi-functional adapter sleeve) this novel structure chart;
Fig. 6 is drilling construction later stage (the boring later stage is used multi-functional adapter sleeve) this novel structure chart;
This novel structure chart when Fig. 7 is mortar depositing construction (the multi-functional fine cover among Fig. 6 takes off);
Fig. 8 is the enlarged drawing of multi-functional fine cover shown in Figure 6 and multi-functional adapter sleeve.
The specific embodiment
Fig. 1 Fig. 2 illustrates, multi-functional fine cover 1 is the rotary body of cross sectional shape similar " H " shape, be provided with the passage (Fig. 6) that is communicated with hollow bolt 5 and fine tail 8 in it, this passage is by the vertical passageway 1c that arranges along fine cover axis one side and along fine cover horizontally set, the one end is communicated with two horizontal channel 1a, 1b compositions that vertical passageway, the other end are communicated with fine tail 8 and hollow bolt respectively respectively, and vertically logical 1c road internal diameter is more than or equal to the internal diameter that connects the horizontal channel 1b that is communicated with hollow bolt, smaller or equal to the internal diameter of the horizontal channel 1a that directly is communicated with fine tail; Also has the plug 2 that is used for being blocked in during drilling construction early stage on the opening of vertical passageway; The vertical passageway front end is provided with M6 internal thread 1d.Among Fig. 3 Fig. 4, multi-functional adapter sleeve 3 upper and lower ends are equipped with the internal thread that is used to connect hollow bolt 6,5, be provided with the pulp passage 3a that is communicated with hollow bolt 5 in it, the grout outlet of pulp passage 3a is arranged on its side, be provided with the exhaust passage 3b that is communicated with hollow bolt 6 in this adapter sleeve, rear end, exhaust passage grafting stack 4, the rear end of stack 4 are by the oblique angle shape that cuts a part.Insert when drilling construction in the vertical passageway of multi-functional fine cover, with horizontal channel 1b shutoff at the stack rear portion, stretches out when mortar depositing construction (Fig. 7) beyond the stop grouting plug 9.The sleeve pipe (not shown) of protecting stack 4 when (being threaded) has one to be used as boring is set on the multi-functional adapter sleeve 3.For instance, the internal diameter of the vertical passageway in the multi-functional adapter sleeve is 6mm, and the internal diameter of horizontal channel 1b is 5mm, and the internal diameter of another horizontal channel 1a is 7mm.
Referring to Fig. 6, hollow bolt 6 spins (GM25 dextrorotation corrugated thread) between drilling type anchor head 7 and multi-functional adapter sleeve 3, exhaust passage 3b goes up grafting stack 4, stack 4 other ends insert among the vertical passageway 1c of multi-functional fine cover 1, the stack front end is the angle shape, hollow bolt 5 is screwed between multi-functional adapter sleeve and the multi-functional fine cover, and the fine tail 8 that is driven by rig is connected multi-functional fine cover rear end.During slip casting, as shown in Figure 7, multi-functional fine cover is taken off in dismounting, is Grouting Pipe with the hollow bolt and is connected with the slurry filling machine outlet, carries out grouting operation, and at this moment, stretch out beyond the stop grouting plug 9 stack 4 rear ends, beyond the also extended backing plate 10.Backing plate 10 and nut 11 are housed on the hollow bolt 5.
Drilling construction does not adopt multi-functional adapter sleeve in earlier stage, and multi-functional fine cover front end directly is connected with hollow bolt (lengthening between the anchor pole adopts conventional adapter sleeve), at this moment, adds plug 2 in the vertical passageway open top of fine cover.
Claims (4)
1, but a kind of exhaust self-feeding anchor pile, comprise drilling type anchor head (7), hollow bolt, as be screwed in hollow bolt with by the fibre cover between the fine tail (8) of rig driving, it is characterized in that: described fine cover is multi-functional fine cover (1), it is the rotary body of cross sectional shape similar " H " shape, be provided with the passage that is communicated with hollow bolt (5) and fine tail (8) in it, this passage is by the vertical passageway of arranging along fine cover axis one side (11) and along fine cover horizontally set, the one end is communicated with the vertical passageway respectively, the other end is communicated with two horizontal channel (1a of fine tail (8) and hollow bolt respectively, 1b) form, also having is used to hole is blocked in plug (2) on the opening of vertical passageway when constructing early stage; The multi-functional adapter sleeve (3) that also has the interior exhaust of anchor hole when being used for mortar depositing construction: its, the lower end is equipped with and is used to connect hollow bolt (6,5) internal thread, be provided with the pulp passage (3a) that is communicated with hollow bolt (5) in it, the grout outlet of pulp passage (3a) is arranged on its side, be provided with the exhaust passage (3b) that is communicated with hollow bolt (6) in it, rear end, exhaust passage grafting stack (4), the stack rear portion is inserted when drilling construction in the vertical passageway of multi-functional fine cover and with horizontal channel (1b) shutoff, is stretched out stop grouting plug (9) in addition when mortar depositing construction.
But 2, according to the described exhaust self-feeding anchor pile of claim 1, it is characterized in that: the rear end of described stack (4) is for being cut the angle shape of a part.
But 3, according to claim 1 or 2 described exhaust self-feeding anchor piles, it is characterized in that: in described multi-functional fine cover (1) internal channel, this vertical passageway (1c) internal diameter is more than or equal to the internal diameter that connects the horizontal channel (1b) that is communicated with hollow bolt, smaller or equal to the internal diameter of the horizontal channel (1a) that directly is communicated with fine tail.
But 4, according to the described exhaust self-feeding anchor pile of claim 3, it is characterized in that: the internal diameter of the vertical passageway in the described multi-functional adapter sleeve is 6mm, and the internal diameter of horizontal channel (1b) is 5mm, and the internal diameter of another horizontal channel (1a) is 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200621863U CN201158819Y (en) | 2008-02-18 | 2008-02-18 | Self-propelling anchoring-rob capable of exhaustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200621863U CN201158819Y (en) | 2008-02-18 | 2008-02-18 | Self-propelling anchoring-rob capable of exhaustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201158819Y true CN201158819Y (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200621863U Expired - Fee Related CN201158819Y (en) | 2008-02-18 | 2008-02-18 | Self-propelling anchoring-rob capable of exhaustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201158819Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115404913A (en) * | 2022-09-20 | 2022-11-29 | 北京碧鑫水务有限公司 | Prefabricated water collecting well structure and construction method |
-
2008
- 2008-02-18 CN CNU2008200621863U patent/CN201158819Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115404913A (en) * | 2022-09-20 | 2022-11-29 | 北京碧鑫水务有限公司 | Prefabricated water collecting well structure and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20140218 |