CN209430233U - One kind rises shell anchorage head - Google Patents
One kind rises shell anchorage head Download PDFInfo
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- CN209430233U CN209430233U CN201821364464.0U CN201821364464U CN209430233U CN 209430233 U CN209430233 U CN 209430233U CN 201821364464 U CN201821364464 U CN 201821364464U CN 209430233 U CN209430233 U CN 209430233U
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Abstract
The utility model relates to geotechnical engineering anchoring support technical field, discloses one kind and rise wedge and the shell pieces that rises in shell anchorage head, including the shell that rises, wedge includes work department and interconnecting piece in the shell that rises, and interconnecting piece axis is provided with tapped through hole；Work department two sides are symmetrically arranged with open slot, and work department side is provided with T-type sliding slot, and the spacing between two T-type sliding slots is sequentially increased from the bottom to top；The shell pieces that rises is provided with the T-type sliding block being adapted to T-type sliding slot, and the shell pieces bottom of rising, which is provided with to protrude into inside work department, holds out against portion.The utility model is cooperated by T-type sliding block and T-type sliding slot, the shell pieces that will rise is connected with wedge in the shell that rises, to be constrained in the longitudinal direction the shell pieces that rises, after the shell pieces that rises is contacted with hole wall, it will not move in the longitudinal direction, so as to so that anchor bar body makes the shell pieces deformation formation anchor force that rises always to the shell pieces application pressure that rises；The utility model, which does not need the modes such as wound and bound rope or spring ring, will rise by shell pieces binding in the shell that rises on wedge, easy to use, quick, improve working efficiency.
Description
Technical field
The utility model relates to geotechnical engineering anchoring support technical fields, and in particular to one kind rises shell anchorage head.
Background technique
During underground engineering, mining engineering, foundation pit and the slope project that geotechnical engineering is related to, to prevent stratum deformation
Collapse or unstability and jeopardize safety, a kind of main support technology reinforced to stratum is using anchor pole.Existed by setting
High-strength tensile ability possessed by anchor pole in stratum and by the injecting cement paste around anchor pole and anchor pole and between stratum it is closely knit
In conjunction with etc. modes stratum consolidation is got up, to improve the globality on stratum, play a variety of mechanical functions such as shearing resistance, tension, resistance to compression,
To control stratum deformation, stable safe condition is made up to.The application of this technology has the history of upper a century with development, and mentions
A variety of suspension roof support types and technique are out to adapt to the needs on different stratum and different condition.
Expansion type rock bolt is the shell power formation point anchor-hold that using anchorage head rises, the anchor-hold generated for the anchoring of non-stick junction type.By
It rubs to be formed with hole wall by the shell that rises in the shell power that rises, therefore is only applicable in preferable rock stratum；And in the prior art, expansion type rock bolt
For solid anchor pole, after the shell end anchorage that rises, full anchor pole section not can be carried out grouting behind shaft or drift lining, therefore be mostly used in gib.
The patent of Patent No. CN200310108547.5 discloses a kind of expansion type rock bolt, by the shell anchorage head that rises, anchor pole
Body, bearing plate, fastening nut, washer, connecting pipe composition, the shell anchorage head that rises are risen shell intermediate plate by wedge in the shell that rises and two valves
Composition, the shell intermediate plate that rises are fixed in the both-side opening slot of wedge in the shell that rises by wound and bound rope, wedge lower part and anchor pole in the shell that rises
Body connection, top two sides are open slot, and open slot upper center has inclined-plane wedge, form two-sided wedge-shaped sliding groove；Rise shell intermediate plate
Inside has the inclined-plane matched with inclined-plane wedge；Anchor bar body top enters in the shell that rises can be with shell intermediate plate lower end surface cooperation of rising after wedge.
Support anchoring power can be quickly formed after the rockbolt installation, controlled rock mass deformation, not only be can be used as permanent support, but also can be used as temporarily propping up
Shield, is applicable to most stone matter wall rock condition supportings, cost performance is superior.
But since this patent shell intermediate plate that rises is fixed in the shell that rises by wound and bound rope in wedge both-side opening slot, actually make
In, when the wound and bound rope and hole wall to rise on shell intermediate plate contacts, wound and bound rope is easily damaged, to make rise shell intermediate plate and wedge point in the shell that rises
From leading to the effect that cannot play anchoring；And when drill hole inner wall intensity is smaller, the shell intermediate plate that rises deformation will tie up to a certain extent
After jag damage, the shell intermediate plate that rises is separated in the shell intermediate plate that longitudinally without restraining force, causes to rise with wedge in the shell that rises, anchor bar body cannot with rise
The contact of shell intermediate plate bottom leads to anchoring effect that cannot be preparatory to cannot apply pressure to the shell intermediate plate that rises.
Utility model content
Based on the above technical problem, the one kind that the utility model provides rises shell anchorage head, rises to solve the prior art
When wound and bound rope on shell intermediate plate and hole wall contact, wound and bound rope is easily damaged, so that the shell intermediate plate that makes to rise is separated with wedge in the shell that rises, is caused
The effect of anchoring cannot be played；And when drill hole inner wall intensity is smaller, the shell intermediate plate that rises deformation to a certain extent damages wound and bound rope
After bad, the shell intermediate plate that rises is separated in the shell intermediate plate that longitudinally without restraining force, causes to rise with wedge in the shell that rises, and anchor bar body cannot be with the shell intermediate plate that rises
Bottom contact, thus the technical issues of cannot applying pressure to the shell intermediate plate that rises, lead to anchoring effect that cannot be preparatory.
The technical solution adopted in the utility model is as follows:
One kind rises shell anchorage head, in the shell that rises including inner hollow wedge and two can wedge slides along the shell that rises the shell pieces that rises,
It is characterized by: wedge includes work department and the interconnecting piece that work department lower part is arranged in the shell that rises, the interconnecting piece is axially set
It is equipped with the tapped through hole being threadedly coupled with anchor bar body；
The work department two sides are symmetrically arranged with open slot, and working position is provided with T-type in the side for being provided with open slot
Sliding slot, the spacing between two T-type sliding slots are sequentially increased from the bottom to top；The shell pieces that rises is located at work department side and is provided with and T
The T-type sliding block of type sliding slot adaptation, T-type sliding block are caught in inside T-type sliding slot, and the shell pieces that will rise is connect with work department；The shell pieces bottom of rising
Portion, which is provided with to protrude into inside work department, holds out against portion.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, the utility model is cooperated by T-type sliding block and T-type sliding slot, and the shell pieces that will rise is connected with wedge in the shell that rises, thus to rising
Shell pieces is constrained in the longitudinal direction, after the shell pieces that rises is contacted with hole wall, will not be moved in the longitudinal direction, so as to so that anchor bar body one
Pressure directly is applied to the shell pieces that rises, makes the shell pieces deformation formation anchor force that rises；
2, the situation that the shell pieces that rises moves in the longitudinal direction, this reality are limited using modes such as wound and bound rope, spring rings relative to existing
It can be protruded into boring procedure to avoid by anchorage head with novel, when the rise wound and bound rope in shell pieces, spring ring and hole wall contact, be tied up
Jag or spring ring damage lead to the effect that cannot play anchoring so that the shell pieces that makes to rise is separated with wedge in the shell that rises；It can also be to avoid
Drill hole inner wall intensity is smaller, and to a certain extent by after wound and bound rope or spring ring damage, the shell pieces that rises does not have longitudinally for the shell pieces that rises deformation
Restraining force, the shell pieces that causes to rise are separated with wedge in the shell that rises, and anchor bar body cannot be contacted with shell pieces bottom of rising, to cannot apply to the shell pieces that rises
Plus-pressure leads to anchoring effect that cannot be preparatory；
3, the utility model, which does not need the modes such as wound and bound rope or spring ring, will rise by shell pieces binding in the shell that rises on wedge, user
Just, working efficiency quickly, is improved.
Preferably, the shell pieces length that rises is less than work department length.
The opposite mode for being greater than or equal to work department length with the shell pieces length that rises, it is possible to reduce anchorage head is being protruded into drilling
In the process, the shell pieces that rises is contacted with hole wall, to avoid rising shell pieces damage or the shell pieces that rises is separated with wedge in the shell that rises.
Preferably, it is taper at the top of the work department, can be convenient anchorage head insertion drilling, anchorage head is avoided to protrude into brill
Excessive obstruction is encountered in hole, leads to rise shell pieces damage or the shell pieces that rises is separated with wedge in the shell that rises.
Preferably, the side wall of the work department adjacent apertures slot is provided with slip casting through-hole.
Slip casting through-hole is arranged in work department side wall the utility model, opposite to be arranged at the top of work department with slip casting through-hole
Situation can not only protrude into boring procedure to avoid in anchor bar body, and the sundries in drilling enters wedge in the shell that rises from slip casting through-hole, will
Rise wedge blocking in shell, and anchorage head blocking can be reduced by biggish slip casting particle.
Preferably, the frictional force of rise shell intermediate plate and rock stratum hole wall can be improved in zigzag in the outside of the shell pieces that rises.
Detailed description of the invention
Fig. 1 is the utility model totality connection schematic diagram；
Fig. 2 is the utility model totally connection perspective view of the explosion；
Fig. 3 is that the utility model rises wedge schematic diagram in shell；
The wedge in shell marked in the figure: 1- rises, 2- rise shell pieces, 3- work department, 4- interconnecting piece, 5- tapped through hole, 6- open slot, 7-
T-type sliding slot, 8-T type sliding block, 9- hold out against portion, 10- slip casting through-hole.
Specific embodiment
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
It elaborates with reference to the accompanying drawing to the utility model.
The shell anchorage head as shown in Figure 1, one kind rises, in the shell that rises including inner hollow wedge 1 and two can along the shell that rises wedge 1 it is sliding
The dynamic shell pieces 2 that rises, as shown in figure 3, wedge 1 includes work department 3 and the interconnecting piece 4 that 3 lower part of work department is arranged in, institute in the shell that rises
It states interconnecting piece 4 and is axially provided with the tapped through hole 5 being threadedly coupled with anchor bar body；
As shown in Fig. 2, 3 two sides of work department are symmetrically arranged with open slot 6, work department 3, which is located at, is provided with open slot 6
Side is provided with T-type sliding slot 7, and the spacing between two T-type sliding slots 7 is sequentially increased from the bottom to top；The shell pieces 2 that rises is located at work
3 side of portion is provided with the T-type sliding block 8 being adapted to T-type sliding slot 7, and T-type sliding block 8 is caught in inside T-type sliding slot 7, the shell pieces that will rise 2 and work
Make the connection of portion 3；2 bottom of shell pieces of rising, which is provided with to protrude into inside work department 3, holds out against portion 9.
2 length of shell pieces that rises is less than 3 length of work department；It is taper at the top of the work department 3；The work department 3 is adjacent
The side wall of open slot 6 is provided with slip casting through-hole 10；The outside of the shell pieces 2 that rises is in zigzag.
The working principle of the utility model is: after being drilled in stratum (rock stratum) with drilling machine, it will be in belt surface screw thread
One end of the spare anchor body of rod is threadedly coupled with the tapped through hole 5 of interconnecting piece 4, to anchor bar body be connect with anchorage head, the shell pieces that will rise 2
T-type sliding block 8 be caught in work department 3 along T-type sliding slot 7, the shell pieces that will rise 2 is connect with wedge 1 in the shell that rises；
Then the anchor bar body for being connected with anchorage head is protruded into drilling, is taper at the top of work department 3, can be convenient anchorage head
Insertion drilling, avoids anchorage head from encountering excessive obstruction in protruding into drilling, leads to the rise damage of shell pieces 2 or rise shell pieces 2 and the shell that rises
Interior wedge 1 separates；After anchorage head reaches foot of hole, anchor bar body is driven to rotate using drilling machine, 3 top of work department and foot of hole top
When not being able to rotate tightly, anchor bar body is forced to rotate in interconnecting piece 4, so that anchor bar body rotation is promoted, anchor bar body and 2 bottom of shell pieces of rising
Portion is held out against after portion 9 contacts, and the drive shell pieces 2 that rises is moved along T-type sliding slot 7, between symmetrical two T-type sliding slots 7
Away from being sequentially increased from the bottom to top；To make 7 top of T-type sliding slot tilt on the outside of wedge 1 into the shell that rises, the shell pieces that rises 2 is along T-type sliding slot 7
When upward sliding, it can be close into the shell that rises with drilling wall surface, until mutual extrusion shape in 1 outside spreading of wedge, the outer surface of the shell pieces that rises 2
At tension and frictional force；When drilling machine cannot continue to rotate anchor bar body, the shell anchorage head that rises installation is in place, the anchoring for the shell anchorage head that rises
Power is consequently formed；
T-type sliding block 8 and T-type sliding slot 7 cooperate, and wedge 1 connects in the shell pieces that will rise 2 and the shell that rises, thus to rising by shell pieces 2 in the longitudinal direction
Constrained, after the shell pieces 2 that rises is contacted with hole wall, will not be moved in the longitudinal direction, so as to so that anchor bar body always to the shell pieces 2 that rises
Apply pressure, makes 2 deformation of the shell pieces formation anchor force that rises；
It avoids protruding into boring procedure by anchorage head, when the wound and bound rope, spring ring and hole wall in the shell pieces that rises 2 contact, tie up
Jag or spring ring damage lead to the effect that cannot play anchoring so that the shell pieces 2 that makes to rise is separated with wedge 1 in the shell that rises；It can also keep away
It is smaller to exempt from drill hole inner wall intensity, the deformation of the shell pieces that rises 2 is to a certain extent by after wound and bound rope or spring ring damage, and the shell pieces that rises 2 is in longitudinal direction
There is no restraining force, the shell pieces 2 that causes to rise is separated with wedge 1 in the shell that rises, and anchor bar body cannot be contacted with 2 bottom of shell pieces of rising, thus cannot be right
The shell pieces that rises 2 applies pressure, leads to anchoring effect that cannot be preparatory；
When slip casting, slip casting liquid sequentially passes through anchor bar body, interconnecting piece 4, work department 3, slip casting through-hole 10 to foot of hole stream
Out, it and is gradually filled with drilling and forms grouting soil.
In the following, being described in further details in conjunction with specific embodiments to the utility model.
Specific embodiment
Embodiment 1
One kind rises shell anchorage head, and wedge 1 and two can wedge 1 slides along the shell that rises the shell pieces that rises in the shell that rises including inner hollow
2, wedge 1 includes work department 3 and the interconnecting piece 4 that 3 lower part of work department is arranged in the shell that rises, and the interconnecting piece 4 is axial to be provided with
The tapped through hole 5 being threadedly coupled with anchor bar body；
3 two sides of work department are symmetrically arranged with open slot 6, and work department 3 is provided with positioned at the side for being provided with open slot 6
T-type sliding slot 7, the spacing between two T-type sliding slots 7 are sequentially increased from the bottom to top；The shell pieces 2 that rises is located at 3 side of work department and sets
It is equipped with the T-type sliding block 8 being adapted to T-type sliding slot 7, T-type sliding block 8 is caught in inside T-type sliding slot 7, and the shell pieces that will rise 2 is connect with work department 3；
2 bottom of shell pieces of rising, which is provided with to protrude into inside work department 3, holds out against portion 9.
Embodiment 2
The present embodiment is based on embodiment 1 and advanced optimizes, and 2 length of shell pieces that rises is less than 3 length of work department.
The opposite mode for being greater than or equal to 3 length of work department with 2 length of shell pieces that rises, it is possible to reduce anchorage head is being protruded into brill
During hole, the shell pieces that rises 2 is contacted with hole wall, to avoid rising the damage of shell pieces 2 or the shell pieces 2 that rises is separated with wedge 1 in the shell that rises.
Embodiment 3
The present embodiment is based on embodiment 2 and advanced optimizes, and is taper at the top of the work department 3, can be convenient anchorage head
Insertion drilling.
Embodiment 4
The present embodiment is based on any one of embodiment 1-3 and advanced optimizes, the side of the 3 adjacent apertures slot 6 of work department
Wall is provided with slip casting through-hole 10.
Slip casting through-hole 10 is arranged in 3 side wall of work department the utility model, opposite to be arranged with slip casting through-hole 10 in work department 3
The case where top, can not only be protruded into boring procedure to avoid in anchor bar body, and the sundries in drilling enters from slip casting through-hole 10 to rise
Wedge 1 in shell, wedge 1 blocks in the shell that will rise, and can reduce anchorage head blocking by biggish slip casting particle.
Embodiment 5
The present embodiment is based on any one of embodiment 1-3 and advanced optimizes, and the outside of the shell pieces 2 that rises is in sawtooth
The frictional force of rise shell intermediate plate and rock stratum hole wall can be improved in shape.
It is as described above the embodiments of the present invention.The utility model is not limited to above embodiment, anyone
It should learn the structure change made under the enlightenment of the utility model, it is all that there is same or similar skill with the utility model
Art scheme, each falls within the protection scope of the utility model.
Claims (5)
- The shell anchorage head 1. one kind rises, wedge (1) and two can wedge (1) slides along the shell that rises the shells that rises in the shell that rises including inner hollow Piece (2), it is characterised in that: wedge (1) includes the interconnecting piece of work department (3) and setting in work department (3) lower part in the shell that rises (4), the interconnecting piece (4) is axially provided with the tapped through hole (5) being threadedly coupled with anchor bar body；Work department (3) two sides are symmetrically arranged with open slot (6), and work department (3) is set positioned at the side for being provided with open slot (6) It is equipped with T-type sliding slot (7), the spacing between two T-type sliding slots (7) is sequentially increased from the bottom to top；The shell pieces that rises (2) is located at work Portion (3) side is provided with the T-type sliding block (8) being adapted to T-type sliding slot (7), and T-type sliding block (8) is caught in T-type sliding slot (7) inside, will rise Shell pieces (2) is connect with work department (3)；The shell pieces that rises (2) bottom, which is provided with to protrude into inside work department (3), holds out against portion (9).
- 2. the shell anchorage head according to claim 1 that rises, it is characterised in that: the shell pieces that rises (2) length is less than work department (3) Length.
- 3. the shell anchorage head according to claim 2 that rises, it is characterised in that: be taper at the top of the work department (3).
- 4. the shell anchorage head according to any one of claim 1-3 that rises, it is characterised in that: the work department (3) is adjacent to open The side wall of mouth slot (6) is provided with slip casting through-hole (10).
- 5. the shell anchorage head according to any one of claim 1-3 that rises, it is characterised in that: outside the shell pieces that rises (2) Side is in zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821364464.0U CN209430233U (en) | 2018-08-23 | 2018-08-23 | One kind rises shell anchorage head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821364464.0U CN209430233U (en) | 2018-08-23 | 2018-08-23 | One kind rises shell anchorage head |
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| Publication Number | Publication Date |
|---|---|
| CN209430233U true CN209430233U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821364464.0U Active CN209430233U (en) | 2018-08-23 | 2018-08-23 | One kind rises shell anchorage head |
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| CN (1) | CN209430233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216172A (en) * | 2021-05-25 | 2021-08-06 | 宜宾学院 | Basalt fiber anchor rod for slope support |
| WO2023061044A1 (en) * | 2021-10-14 | 2023-04-20 | 中铁隧道集团二处有限公司 | Expansion shell yielding anchor cable and construction method thereof |
-
2018
- 2018-08-23 CN CN201821364464.0U patent/CN209430233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216172A (en) * | 2021-05-25 | 2021-08-06 | 宜宾学院 | Basalt fiber anchor rod for slope support |
| WO2023061044A1 (en) * | 2021-10-14 | 2023-04-20 | 中铁隧道集团二处有限公司 | Expansion shell yielding anchor cable and construction method thereof |
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