CN109869172A - The anchor of drilling anchor high-pressure slip-casting one - Google Patents
The anchor of drilling anchor high-pressure slip-casting one Download PDFInfo
- Publication number
- CN109869172A CN109869172A CN201910250739.0A CN201910250739A CN109869172A CN 109869172 A CN109869172 A CN 109869172A CN 201910250739 A CN201910250739 A CN 201910250739A CN 109869172 A CN109869172 A CN 109869172A
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- anchor
- hole
- shaft
- rod
- sealing ring
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 48
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 65
- 238000002347 injection Methods 0.000 claims abstract description 45
- 239000007924 injection Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims description 48
- 230000001154 acute effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 29
- 239000011435 rock Substances 0.000 abstract description 6
- 238000004873 anchoring Methods 0.000 description 12
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of anchor of drilling anchor high-pressure slip-casting one, including rotary joint and anchor pole, rotary joint includes shaft (13) and casing (16)；Anchor pole includes the body of rod (3) and anchor head (5), slip casting through-hole (132) are equipped in shaft (13), casing (16) is equipped with injection hole (161), anchor head (5) is arrow shaped structure, and Anchor Agent through-hole (9) are equipped with close to arrow portion outer wall, anchor head (5) small end is equipped with plug (8)；Shaft (13) is detachably connected with the body of rod (3), and is connected to inside slip casting through-hole (132) and the body of rod (3).Shaft (13) is connect with the body of rod (3) when use, shaft (13) other end is connect with drilling machine, and injection hole (161) is connect with high pressure water.High pressure water pushes Anchor Agent packet, and Anchor Agent and the body of rod (3) and country rock are anchored.It is passed through high pressure water again, Anchor Agent opens plug (8) to realize high-pressure slip-casting.
Description
Technical field
The invention discloses a kind of anchors of drilling anchor high-pressure slip-casting one, belong to anchoring apparatus and rockbolt installation technology
Field.
Background technique
Resin anchor, which mainly passes through resin anchoring agent, fixes anchor pole and country rock, and existing resin anchor mainly includes
The components such as the various material bodies of rod and pallet, nut composition, one end of the body of rod are anchor head.And the material for playing bond-anchorage is anchor
Gu agent, resin anchoring agent can be made the body of rod and be anchored by resin-bonded mastic and curing agent two parts segmentation packaging scroll after mixing
Body coal, rock are bonded together.
And resin anchor in actual use, need to be punched first, beaten behind hole from manually installing Anchor Agent into hole, then at present
Anchor rod body Stirring powder stick is driven to realize anchoring by jumbolter.Since resin explosive roll is more, top plate pore-forming is poor, equipment is turned round
High factor does not influence square, and when rockbolt installation is easy failure, while process is more, complicated for operation, causes worker's operation relatively difficult.
Simultaneously in the entitled internal-injection type hollow resin anchor pole of Chinese patent, publication No. CN103867220A, date of publication 2014.06.18
The anchor bar body of record is hollow structure, and internal is medicament chamber, by pushing the mixing of piston realization Anchor Agent, can only solve anchor
Gu agent package point is uniformly mixed the problem of mixing, drilling and anchor pole can not be realized simultaneously while being carried out, while cannot achieve height
Press the slip casting of anchor head end.
Summary of the invention
It cannot drill and anchor the technical problem to be solved by the present invention is to existing resin anchor while carry out, and can not be real
Existing end high-pressure slip-casting.
The technical solution adopted by the present invention to solve the technical problems is: the anchor of drilling anchor high-pressure slip-casting one, packet
It includes:
Rotary joint, the rotary joint include shaft, casing and rotary seal assembly, and shaft and casing are close by rotating
Sealing assembly rotary seal connection, and shaft is internally provided with slip casting through-hole, slip casting through-hole includes the radial hole and axial hole of connection,
Radial hole extends shaft outer wall far from one end of axial hole, and axial hole is blind hole structure, and one end extends to shaft end face, casing
On be provided with injection hole, and injection hole can be connected to the radial hole of slip casting through-hole；
Anchor pole, the anchor pole include the body of rod and anchor head, and the body of rod is hollow tubular structure；Anchor head is arrow shaped knot
Structure, and anchor head arrow portion is drill bit structure, anchor head one end is provided with the injection through-hole through entire anchor head, anchor along its length
Head is protruded into the body of rod far from the one end in arrow portion and is detachably connected with the body of rod, and outer wall of the anchor head close to arrow portion is multi-diameter shaft knot
Structure, and be tiltedly installed on multi-diameter shaft and be connected to Anchor Agent through-hole with injection through-hole, Anchor Agent via openings direction and the body of rod are axial
Angle is acute angle, and anchor head is far from being provided with plug at the injection via openings at body of rod end；
Shaft is provided with the end of slip casting through-hole and anchor rod body is detachably connected far from anchor head end, and slip casting through-hole and bar
Internal portion's connection.
Wherein, rotary seal assembly described in above-mentioned apparatus includes including left axle sleeve, right axle sleeve, bearing, the first sealing ring
With the second sealing ring, the shaft is stepped shaft structure, and middle part is the interconnecting piece of convex shape structure, the radial hole of slip casting through-hole
Open end is arranged on the outer wall in the middle part of interconnecting piece, and the first sealing ring and the second seal ring set are located at interconnecting piece on both sides of the middle step
On face, and the outer wall of the first sealing ring and the second sealing ring is bonded with internal surface of sleeve pipe, outside the first sealing ring and the second sealing ring
Bearing is arranged on the step surface of side, left axle sleeve and right axle are set on the outside of two side bearings and can detachably connect with casing
It connects.
Wherein, slip casting through-hole described in above-mentioned apparatus is cross-shaped configuration, and the radial hole of slip casting through-hole turns through entire
Axis, rotating shaft may make the axis of injection hole to be overlapped with the radial axially bored line for injecting through-hole.
Further, the first sealing ring described in above-mentioned apparatus is copper sealing ring, and the second sealing ring is rubber seal；And it infuses
Enter outer end of hole and is provided with quick coupling.
Wherein, casing both ends described in above-mentioned apparatus is provided with connection screw thread, and the connection screw thread at both ends is oppositely oriented, left
The connection screw thread of adaptation is provided with inside axle sleeve and right axle sleeve, so that left axle sleeve and right axle sleeve are connect with casing threads respectively.
Wherein, the spacing of interconnecting piece described in above-mentioned apparatus and internal surface of sleeve pipe is 5 to 20mm.
Wherein, injection through-hole described in above-mentioned apparatus is counter bore structure, and is internally provided with mixer far from anchor head.
It wherein, further include piston in above-mentioned apparatus, piston is arranged in the body of rod, and piston on the outer wall of anchor head end far from being arranged
There is annular groove, rubber ring is provided in groove, piston is to be provided with check valve in hollow tubular structure and pipe.
Further, check valve described in above-mentioned apparatus includes spring, sphere and baffle, and internal piston through-hole is counterbore knot
Structure, baffle middle part is provided with opening, and baffle plate setting, in the major diameter through hole end of piston, one end and the counterbore radial sidewalls of spring connect
Touching connection, the other end and sphere connect, and the other side of sphere penetrates in baffle openings.
Wherein, anchor head described in above-mentioned apparatus is drill bit structure far from body of rod outer wall.
The beneficial effects of the present invention are: present apparatus structure is simple, simplicity is used.The present apparatus in actual use, first will anchoring
Agent is packaged into the internal cavities of the body of rod, while high pressure water being directly connected to injection hole, and Anchor Agent packet is pushed by high pressure water
Realize the purpose of anchoring.When pallet directly with country rock contact after, by the shaft other end of rotary joint directly with jumbolter
Axis connection is exported, provides rotational power by jumbolter, and the body of rod is passed to, it can be achieved that the preload of nut is made by shaft
With the fixed effect of realization support.High pressure water axially flows into the body of rod along shaft through injection hole and slip casting through-hole, then pushes anchoring
Agent packet, squeezing Anchor Agent packet flows out Anchor Agent from Anchor Agent through-hole again from injection through-hole, so that Anchor Agent is continuously filled to bar
The gap of external wall and country rock, continues to be passed through high pressure water, when grouting pressure reaches certain pressure, high pressure water flows directly into anchor head
Injection through-hole, and plug is opened and realizes high pressure injection.This structure setting makes the present apparatus will drilling, anchoring and high-pressure slip-casting
One step is completed, and is greatly reduced implementation process, while the time shortened, is reduced the labor intensity of construction personnel.
Detailed description of the invention
Fig. 1 is complete section structural schematic diagram of the present invention；
Fig. 2 is anchor pole complete section structural schematic diagram of the present invention；
Fig. 3 is anchor head complete section structural schematic diagram of the present invention；
Fig. 4 is anchor pole complete section structural schematic diagram of the present invention；
Fig. 5 is inventive piston complete section structural schematic diagram.
In the figure, it is marked as 1 is nut, 2 be piston, and 21 be groove, and 3 be the body of rod, and 31 be pipe screw thread, and 4 be mixer, and 5 are
Anchor head, 51 be injection through-hole, and 6 be Anchor Agent packet, and 7 be pallet, and 8 be plug, and 9 be Anchor Agent through-hole, and 10 be rubber ring, and 12 be single
To valve, 121 be baffle, and 122 be sphere, and 123 be spring, and 13 be shaft, and 131 be interconnecting piece, and 132 be slip casting through-hole, and 14 be right
Axle sleeve, 15 be the second sealing ring, and 16 be casing, and 161 be injection hole, and 17 be quick coupling, and 18 be the second sealing ring, and 19 be axis
It holds, 20 be left axle sleeve.
Specific embodiment
The following further describes the present invention with reference to the drawings.
As shown in Figures 1 to 5, the anchor of drilling anchor high-pressure slip-casting one of the invention, comprising:
Rotary joint, the rotary joint include shaft 13, casing 16 and rotary seal assembly, and shaft 13 and casing 16 are logical
Rotary seal assembly rotary seal connection is crossed, and shaft 13 is internally provided with slip casting through-hole 132, slip casting through-hole 132 includes connection
Radial hole and axial hole, radial hole extends 13 outer wall of shaft far from one end of axial hole, and axial hole is blind hole structure, one end
13 end face of shaft is extended to, injection hole 161 is provided on casing 16, and injection hole 161 and the radial hole of slip casting through-hole 132 can connect
It is logical；
Anchor pole, the anchor pole include the body of rod 3 and anchor head 5, and the body of rod 3 is hollow tubular structure；Anchor head 5 is arrow shaped
Structure, and 5 arrow portion of anchor head is drill bit structure, it is logical that 5 one end of anchor head is provided with the injection through entire anchor head 5 along its length
Hole 51, anchor head 5 are protruded into the body of rod 3 far from the one end in arrow portion and are detachably connected with the body of rod 3, and anchor head 5 is close to the outer of arrow portion
Wall is stepped shaft structure, and is tiltedly installed on multi-diameter shaft and is connected to Anchor Agent through-hole 9 with injection through-hole 51, and Anchor Agent through-hole 9 is opened
Mouth direction and 3 axial angle of the body of rod are acute angle, and anchor head 5 is provided with plug 8 far from 51 opening of injection through-hole at 3 end of the body of rod；
The end that shaft 13 is provided with slip casting through-hole 132 is detachably connected with anchor rod body 3 far from 5 end of anchor head, and slip casting
It is connected to inside through-hole 132 and the body of rod 3.It will be appreciated to those of skill in the art that the present apparatus sets the shaft 13 of rotary joint
The body of rod 3 of the end and anchor pole that are equipped with slip casting through-hole 132 is detachably connected far from 5 end of anchor head, keeps slip casting through-hole 132 and the body of rod
3 inside connections.It preferably by 5 section of anchor head is simultaneously arrow shaped, anchor head 5 protrudes into the body of rod 3 far from the one end in arrow portion and and bar
Body 3 is detachably connected, and the body of rod 3 is tubular structure, and outer wall of the anchor head 5 close to arrow portion is stepped shaft structure, and on multi-diameter shaft
It is tiltedly installed with and is connected to Anchor Agent through-hole 9 with injection through-hole 51,9 opening direction of Anchor Agent through-hole is sharp with 3 axial angle of the body of rod
Angle after 3 one end of the body of rod is connect with anchor head 5, may make and be connected to inside the body of rod 3, injection through-hole 51 and Anchor Agent through-hole 9.Actually make
Used time, Anchor Agent packet 6 is first packed into the internal cavities of the body of rod 3, while high pressure water being directly connected to injection hole 161, passes through height
The purpose that pressure water anchors to push Anchor Agent packet 6 to realize.It is connected to simultaneously because being tiltedly installed on multi-diameter shaft with injection through-hole 51
Anchor Agent through-hole 9,9 opening direction of Anchor Agent through-hole and 3 axial angle of the body of rod are acute angle, so that Anchor Agent can only be along Anchor Agent
Through-hole 9 is flowed out along aperture direction, realizes that the body of rod 3 anchors.Simultaneously because anchor head 5 is arranged in close to arrow portion in Anchor Agent through-hole 9
Outer wall is in stepped shaft structure, and anchor head 5 is protruded into the body of rod 3 far from the one end in arrow portion and is detachably connected with the body of rod 3, therefore not
The normal use of Anchor Agent through-hole 9 is not influenced, outer wall of the preferred anchor head 5 of the present apparatus close to arrow portion is stepped shaft structure structure,
And section is step-like structure, therefore preferably Anchor Agent through-hole 9 should be arranged on First terrace, and connecting pin should closely anchor
On the second step face of agent through-hole 9, preferable Anchor Agent through-hole 9 is at least two and is uniformly arranged.The present apparatus is preferably close
Arrow portion and the connecting pin of the body of rod 3 should be tubular structure, and the body of rod 3 and anchor head 5 are to be threadedly coupled to be detachably connected to realize, specifically
3 one end inner wall of the body of rod is provided with pipe screw thread 31, anchor head 5 is provided with the external screw thread 51 of adaptation on the outer wall at arrow end.Together
When the present apparatus by plug 8 by anchor head 5 far from the body of rod 3 exit close, and the arrow portion of anchor head 5 be arranged Anchor Agent through-hole
9, this structure setting makes that in actual use, injection hole 161 is connect with high pressure water, and high pressure water directly acts on Anchor Agent packet
6, Anchor Agent packet 6 is destroyed so that the Anchor Agent component in Anchor Agent packet 6 uniformly mixes, and flows out and realize from Anchor Agent through-hole 9
Anchoring.Continue to be passed through high pressure water, when grouting pressure reaches certain pressure, high pressure water flows directly into the injection through-hole 51 of anchor head 5,
And plug 8 is opened to realize the purpose of high-pressure slip-casting.Can the further preferably arrow end of anchor head 5 be preferably circular cone or circle
Platform shape structure.Anchor Agent flows to anchor head arrow end in order to prevent simultaneously, and outer wall of the preferred anchor head 5 of the present apparatus close to arrow portion is rank
Terraced axle construction, and be tiltedly installed on multi-diameter shaft and be connected to Anchor Agent through-hole 9,9 opening direction of Anchor Agent through-hole with injection through-hole 51
It is acute angle with 3 axial angle of the body of rod, that is to say the opening of Anchor Agent through-hole 9 towards country rock outside, that is to say towards drilling side.
Preferably, rotary seal assembly described in above-mentioned apparatus includes including left axle sleeve 20, right axle sleeve 14, bearing 19, the
One sealing ring 18 and the second sealing ring 15, the shaft 13 is stepped shaft structure, and middle part is the interconnecting piece of convex shape structure
131, the radial hole open end of slip casting through-hole 132 is arranged on the outer wall at 131 middle part of interconnecting piece, and the first sealing ring 18 and second is close
Seal ring 15 is set on 131 on both sides of the middle step surface of interconnecting piece, and the outer wall of the first sealing ring 18 and the second sealing ring 15 with
Bearing 19, left axle sleeve are arranged on step surface on the outside of the fitting of 16 inner wall of casing, the first sealing ring 18 and the second sealing ring 15
20 and right axle sleeve 14 outside of two side bearings 19 is set and can be detachably connected with casing 16.Those skilled in the art can manage
It solves, is the interconnecting piece 131 of convex shape structure in the middle part of the preferred shaft 13 of the present apparatus, and entire shaft 13 is multi-diameter shaft, therefore
The first sealing ring 18 and the second sealing ring 15 are symmetrically arranged on the step surface of 131 on both sides of the middle of interconnecting piece of shaft 13, and
The outer wall of first sealing ring 18 and the second sealing ring 15 directly can fit closely realization axial seal with 16 inner wall of casing；In order to subtract
Small abrasion, the present apparatus are preferably arranged bearing 19 on the multi-diameter shaft in 15 outside of the first sealing ring 18 and the second sealing ring, and first is close
The both ends of casing 16 are arranged in seal ring 18 and the second sealing ring 15, while by adjusting the first sealing ring 18 and the second sealing ring 15
Spacing, to realize that applying an axial force, the middle part of shaft 13 is arranged in casing 16, to realize shaft 13
Sealing with casing 16 rotates.The shaft 13 of the present apparatus and casing 16 are rotatablely connected simultaneously, and due to being provided with note on casing 16
Enter hole 161, and slip casting through-hole 132 is set inside shaft 13, and the purpose of the present apparatus is to realize drilling anchor integration, high pressure water
Main function is to push Anchor Agent to realize anchoring, therefore the 131 middle part outer wall of interconnecting piece of shaft 13 should there are one with 16 inner wall of casing
Fixed gap, when facilitating shaft 13 that jumbolter is followed to rotate, the entrance of high pressure water.The present apparatus in actual use, can will be high
Pressure water is connect with injection hole 161, while shaft 13 is provided with 132 end of slip casting through-hole and is connect with anchor rod body, by shaft 13
The other end is connect with jumbolter, provides the rotational power of anchor rod body 3 by jumbolter, and from 132 row of slip casting through-hole
High pressure water out flows directly into hollow anchor rod body 3, and Anchor Agent mixing is pushed to provide power, to realize drilling anchor integration.
Preferably, slip casting through-hole described in above-mentioned apparatus 132 is cross-shaped configuration, and the radial hole of slip casting through-hole 132 passes through
Entire shaft 13 is worn, rotating shaft 13 may make the axis of injection hole 161 to be overlapped with the radial axially bored line for injecting through-hole 51.Ability
Field technique personnel, it is understood that in order to guarantee the preferred slip casting through-hole 132 of the high pressure water inflow present apparatus be cross-shaped configuration,
So that radial hole entirely runs through shaft 13, it that is to say through interconnecting piece 131, so that 132 two sides of slip casting through-hole can be protected into high pressure water
Hold power needed for pushing Anchor Agent.
Preferably, the first sealing ring 18 described in above-mentioned apparatus is copper sealing ring, and the second sealing ring 15 is rubber seal；
And 161 outer end of injection hole is provided with quick coupling 17.It will be appreciated to those of skill in the art that the present apparatus is preferably first
Sealing ring 18 is copper sealing ring, and the second sealing ring 15 is rubber seal, and the sealing effect of the whole device made is more preferable, while close
The abrasion of sealing is minimum.
Preferably, the both ends of casing 16 described in above-mentioned apparatus are provided with connection screw thread, and the connection screw thread rotation direction phase at both ends
Instead, the connection screw thread of adaptation is provided with inside left axle sleeve 20 and right axle sleeve 14 so that left axle sleeve 20 and right axle sleeve 14 respectively with
Casing 16 is threadedly coupled.It will be appreciated to those of skill in the art that structure is more when the present apparatus is in order to run whole device
It is firm that oppositely oriented connection screw thread is preferably set at the both ends of casing 16, while being set in left axle sleeve 20 and 14 connecting pin of right axle sleeve
The connection screw thread being adapted to respectively with its both ends is set, so that 16 end of casing can connect with left axle sleeve 20 and 14 screw thread of right axle sleeve respectively
It connects；The setting of this reverse thread can effectively prevent the present apparatus in actual use simultaneously, and the reaction force of high pressure water directly acts on
On shroud 16, so that casing 16 rotates and left axle sleeve 20 or 14 one end of right axle sleeve is caused to loosen.It can further preferred left axle sleeve
20 and right axle sleeve 14 cross section structure be U-shaped, be pierced by for the ease of shaft 13, further preferred center bottom is provided with for shaft
13 through-holes being pierced by.
Preferably, the spacing of interconnecting piece 131 described in above-mentioned apparatus and 16 inner wall of casing is 5 to 20mm.Art technology
Personnel are, it is understood that smoothly the gap from injection hole between interconnecting piece 131 and casing 16 flows into for the ease of high pressure water
Inside shaft 13, the case where building the pressure is avoided.Therefore the preferred interconnecting piece 131 of the present apparatus and the spacing of 16 inner wall of casing are 5 to 20mm,
Be at the maximum gauge of shaft 13 with the spacing of 16 inner wall of casing be 5 to 20mm.
Preferably, injection through-hole 51 described in above-mentioned apparatus is counter bore structure, and is internally provided with mixer far from anchor head 5
4.It will be appreciated to those of skill in the art that the injection through-hole of the preferred anchor head 5 of the present apparatus is heavy cavernous structure, so that mixer
4 are placed on the inside of big end bore, and mixer 4 is prevented to be axially moved, and are uniformly mixed convenient for Anchor Agent.
Preferably, further include piston 2 in above-mentioned apparatus, piston 2 is arranged in the body of rod 3, and piston 2 far from 5 end of anchor head outside
It is provided with annular groove 21 on wall, rubber ring 10 is provided in groove 21, piston 2 is to be provided in hollow tubular structure and pipe
Check valve 12.It will be appreciated to those of skill in the art that causing to anchor in order to avoid high pressure water directly acts on Anchor Agent packet 6
6 premature degradation of agent packet influences to use, and piston 2 is arranged preferably in the body of rod 3, acts on 6 end of Anchor Agent packet by piston 2 for the present apparatus
Portion, so that 6 uniform force of Anchor Agent packet, avoids being destroyed in advance.Simultaneously because high pressure water pushes directly on piston 2 in actual use
Movement squeezes Anchor Agent packet 6 and Anchor Agent is pushed into mixer 4 mixes, in order to prevent when low pressure high pressure water directly with Anchor Agent packet 6
Contact, therefore it is preferred that piston 2 is provided with rubber ring 10, passes through far from annular groove 21 is provided on 5 end outer wall of anchor head in groove 21
Rubber ring 10 realizes the purpose of sealing.This structure setting make in actual use, by the body of rod 3 far from 5 end of anchor head directly with height
Water connection is pressed, high pressure water, which is directly acted on, to be partially pressed into the Anchor Agent group in Anchor Agent packet 6 mixed with piston 2 by pushing piston 2
Clutch 4 realizes resin anchoring agent mixing, and flows out from Anchor Agent through-hole 9 and realize anchoring.Continue to be passed through high pressure water, works as grouting pressure
Check valve 12 is opened when reaching certain pressure, and high pressure water flows directly into the injection through-hole 51 of anchor head 5, and by plug 8 open to
Realize the purpose of high-pressure slip-casting.
Preferably, check valve 12 described in above-mentioned apparatus includes spring 123, sphere 122 and baffle 121, is led to inside piston 2
Hole is counter bore structure, opening is provided in the middle part of baffle 121, and the major diameter through hole end of piston 2 is arranged in baffle 121, spring 123
One end and counterbore radial sidewalls connect, and the other end and sphere 122 connect, and the other side of sphere 122 penetrates baffle
In 121 openings.It will be appreciated to those of skill in the art that the tool of the check valve 12 inside the further preferred piston 2 of the present apparatus
One end of spring 123 is contacted with the radial sidewalls of counterbore, is made by the way that the through-hole of piston 2 is arranged to counterbore shape by body structure
Spring 123 cannot be mobile as osculum end, realize fixed purpose, and the other end of spring 123 is connect with sphere 122, can be with
It is to connect to be also possible to be fixedly connected, and limit sphere 122 and spring 123 by baffle 121 in the big opening end of piston 2
In the inside of piston 2, and the middle part of baffle 121 is provided with opening, and the maximum gauge of the opening should be less than the diameter of sphere 122
Just it is able to achieve the purpose of limiting ball body 122.
Preferably, arrow portion of the anchor head 5 described in above-mentioned apparatus far from the body of rod 3 is drill bit structure.Those skilled in the art
, it is understood that arrow portion of the present apparatus further preferably by anchor head 5 far from the body of rod 3 is drill bit structure, due to anchor head 5 and bar
Body 3 is directly connected to, and the purpose that the present apparatus drills, this structure can be realized by the active force for applying a rotation to the body of rod 3
Drill process can be shortened and realize that anchor bores integration.
Claims (10)
1. the anchor of drilling anchor high-pressure slip-casting one, characterized by comprising:
Rotary joint, the rotary joint include shaft (13), casing (16) and rotary seal assembly, shaft (13) and casing
(16) it is connected by rotary seal assembly rotary seal, and shaft (13) is internally provided with slip casting through-hole (132), slip casting through-hole
It (132) include the radial hole and axial hole being connected to, radial hole extends shaft (13) outer wall, axial hole far from one end of axial hole
For blind hole structure, one end extends to shaft (13) end face, is provided with injection hole (161) on casing (16), and injection hole (161) with
The radial hole of slip casting through-hole (132) can be connected to；
Anchor pole, the anchor pole, including the body of rod (3) and anchor head (5), the body of rod (3) are hollow tubular structure；Anchor head (5) is cut
Face is arrow shaped structure, and anchor head (5) one end is provided with the injection through-hole (51) through entire anchor head (5), anchor along its length
Head (5) is protruded into the body of rod (3) far from the one end in arrow portion and is detachably connected with the body of rod (3), and anchor head (5) is close to the outer of arrow portion
Wall is stepped shaft structure, and is tiltedly installed on multi-diameter shaft and is connected to Anchor Agent through-hole (9), Anchor Agent through-hole with injection through-hole (51)
(9) opening direction and the body of rod (3) axial angle are acute angle, and anchor head (5) is set far from injection through-hole (51) opening at the body of rod (3) end
It is equipped with plug (8)；
The end that shaft (13) is provided with slip casting through-hole (132) is detachably connected with anchor rod body (3) far from anchor head (5) end, and
It is connected to inside slip casting through-hole (132) and the body of rod (3).
2. the anchor of drilling anchor one as described in claim 1, it is characterised in that: the rotary seal assembly includes
Left axle sleeve (20), right axle sleeve (14), bearing (19), the first sealing ring (18) and the second sealing ring (15), the shaft (13) are
Stepped shaft structure, and middle part is the interconnecting piece (131) of convex shape structure, the radial hole open end setting of slip casting through-hole (132) exists
On outer wall in the middle part of interconnecting piece (131), the first sealing ring (18) and the second sealing ring (15) are set in two in the middle part of interconnecting piece (131)
On side stage terrace, and the outer wall of the first sealing ring (18) and the second sealing ring (15) is bonded with casing (16) inner wall, and first is close
It is arranged with bearing (19) on step surface on the outside of seal ring (18) and the second sealing ring (15), left axle sleeve (20) and right axle sleeve (14)
Outside in two side bearings (19) is set and can be detachably connected with casing (16).
3. the anchor of drilling anchor one as claimed in claim 1 or 2, it is characterised in that: the slip casting through-hole (132) is ten
Font structure, and the radial hole of slip casting through-hole (132) runs through entire shaft (13), rotating shaft (13) may make injection hole
(161) axis is overlapped with the radial axially bored line of injection through-hole (51).
4. the anchor of drilling anchor one as claimed in claim 2, it is characterised in that: first sealing ring (18) is that copper is close
Seal, the second sealing ring (15) are rubber seal；And injection hole (161) outer end is provided with quick coupling (17).
5. the anchor of drilling anchor one as described in claim 1, it is characterised in that: described sleeve pipe (16) both ends are provided with company
Screw thread is connect, and the connection screw thread at both ends is oppositely oriented, the connection of adaptation is provided with inside left axle sleeve (20) and right axle sleeve (14)
Screw thread, so that left axle sleeve (20) and right axle sleeve (14) are threadedly coupled with casing (16) respectively.
6. the anchor of drilling anchor one as described in claim 1, it is characterised in that: the interconnecting piece (131) and casing
(16) spacing of inner wall is 5 to 20mm.
7. the anchor of drilling anchor one as described in claim 1, it is characterised in that: the injection through-hole (51) is counterbore knot
Structure, and mixer (4) are internally provided with far from anchor head (5).
8. the anchor of drilling anchor one as described in claim 1, it is characterised in that: further include piston (2), piston (2) is set
It sets in the body of rod (3), and piston (2) is provided in groove (21) far from being provided with annular groove (21) on the outer wall of anchor head (5) end
Rubber ring (10), piston (2) are to be provided with check valve (12) in hollow tubular structure and pipe.
9. the anchor of drilling anchor one as claimed in claim 8, it is characterised in that: the check valve (12) includes spring
(123), sphere (122) and baffle (121), piston (2) interior bone are counter bore structure, are provided with opening in the middle part of baffle (121),
And baffle (121) setting is connected in the major diameter through hole end of piston (2), one end of spring (123) and counterbore radial sidewalls, separately
One end and sphere (122) connect, and the other side of sphere (122) penetrates in baffle (121) opening.
10. the anchor of drilling anchor one as described in claim 1, it is characterised in that: the anchor head (5) is far from the body of rod (3)
Outer wall is drill bit structure.
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| CN201910250739.0A CN109869172B (en) | 2019-03-29 | 2019-03-29 | Drilling-anchoring high-pressure grouting integrated anchoring device |
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| CN201910250739.0A CN109869172B (en) | 2019-03-29 | 2019-03-29 | Drilling-anchoring high-pressure grouting integrated anchoring device |
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| CN109869172B CN109869172B (en) | 2023-12-26 |
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| CN110259386A (en) * | 2019-07-18 | 2019-09-20 | 骆波清 | A kind of high pressure jet grouting drill bit |
| 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 |
| CN111577357A (en) * | 2020-04-07 | 2020-08-25 | 山西海洁机电科技有限公司 | Drilling and anchoring integrated hollow anchor rod and anchoring method |
| CN113090306A (en) * | 2021-04-30 | 2021-07-09 | 中煤科工开采研究院有限公司 | Multifunctional anchor rod support construction equipment |
| CN114934795A (en) * | 2022-06-17 | 2022-08-23 | 中国矿业大学 | Similar model test anchor rod capable of self-injecting anchoring agent and applying pretightening force |
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| CN113090306A (en) * | 2021-04-30 | 2021-07-09 | 中煤科工开采研究院有限公司 | Multifunctional anchor rod support construction equipment |
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| CN114934795A (en) * | 2022-06-17 | 2022-08-23 | 中国矿业大学 | Similar model test anchor rod capable of self-injecting anchoring agent and applying pretightening force |
| CN114934795B (en) * | 2022-06-17 | 2023-12-12 | 中国矿业大学 | Similar model test anchor rod capable of self-injecting anchoring agent and applying pretightening force |
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