CN106194946A - A kind of crab-bolt and the installation method on concrete and mounting structure - Google Patents
A kind of crab-bolt and the installation method on concrete and mounting structure Download PDFInfo
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- CN106194946A CN106194946A CN201610550536.XA CN201610550536A CN106194946A CN 106194946 A CN106194946 A CN 106194946A CN 201610550536 A CN201610550536 A CN 201610550536A CN 106194946 A CN106194946 A CN 106194946A
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- crab
- anchor pole
- bolt
- hole
- concrete
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 210000002421 cell wall Anatomy 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000452 restraining effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 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
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001149930 Protura <class> Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a kind of crab-bolt, its anchor pole is provided with the torsion transferring structure of expansion sleeve near that section of cone；Expansion sleeve is sized to pass through the linkage section of anchor metal before unexpanded, and reaches up to described cone or close to described cone so that it is can be formed with described torsion transferring structure and be connected；Described crab-bolt is additionally provided with axial limit structure, makes described expansion sleeve arrive described cone or keep its axial location during close to described cone；Described expansion sleeve outer surface of upper is circumferentially arranged with multiple crosscutting positioning convex portion.Present invention also offers the installation method on concrete and mounting structure.Present configuration advantages of simple also can realize automatization's installation, compared with conventional crab-bolt, cold-heading method can be used directly to manufacture, the big low cost of intensity；And can make to utilize the installation method on the concrete of described crab-bolt and mounting structure form embedded structure online and lock the powerful bonding strength that structure combines in, it is possible to bear the load of screw rod institute energy limit carrying.
Description
Technical field
The present invention relates to a kind of crab-bolt, particularly relate to a kind of ready-package heavy burden crab-bolt under concrete occasion, this
The bright mounting structure further related on concrete.
Background technology
Self undercut anchor, the expansion part bottom crab-bolt is welded with blade and plates Buddha's warrior attendant diamond, by electric tool pair
The brill of sleeve is dynamic and manpower compresses, it is thus achieved that bottom is expanded, and one cost is higher；Its two expansion part, sleeve pipe simply fall out；It three is cut
During the end, high speed rotating power transmission causes sleeve pipe to turn indent skidding at power and unsuccessfully make to dismount two difficulties.
Metallic walls anchor, the expansion part construction section of its anchor pole is recessed relatively thin, and bearing capacity is significantly less than other position of anchor pole, and
Expansion part, for entering expansion part construction section, can only use steel plate to be first washed into U-shaped or C-shaped, then make expansion part roll up by punching press
Enter in expansion part construction section, and the expansion part being involved in.The crab-bolt of its M12 is under load, and the expansion part of about 1 millimeters thick is enclosed within and holds
Being arisen that whole expansion part set is jumped over anchor pole conehead and pulled by 1-3KN, its main cause cannot be rolled up with converted steel due to steel plate
Docile can only be caused by vertebra head, the too soft Yuanping City's plate etc. that pushed back of punching with deformable sheet materials, expansion part opening non-resistance.Such as patent
Number 93114954.1 expansible anchor of metal and manufacture method thereof.
Summary of the invention
Present invention technical problem the most to be solved provides a kind of crab-bolt, can in installation process online crosscutting hole wall,
Formation top is locked in, it is possible to bear the load of screw rod institute energy limit carrying, and simple in construction low cost.To this end, the present invention adopts
Use following technical scheme:
A kind of crab-bolt, including anchor metal, expansion metal sleeve, described expansion lower cartridge is provided with the expansion part with seam, anchor
The cone for strutting expansion part it is provided with bottom bar, it is characterised in that: anchor pole top is provided with linkage section, and anchor pole is near that of cone
One section of torsion transferring structure being provided with described expansion sleeve, described expansion sleeve is connected on anchor pole, and transmits with described torsion
Structure connects；
Described expansion sleeve is sized to pass through the linkage section of anchor metal before unexpanded, and reaches up to described cone
Body or close to described cone so that it is can be formed with described torsion transferring structure and be connected；
Described crab-bolt is additionally provided with axial limit structure, makes described expansion sleeve arrive described cone or protect close to during described cone
Hold its axial location；
Described expansion sleeve outer surface of upper is circumferentially arranged with multiple crosscutting positioning convex portion, and described crosscutting positioning convex portion is by anchor pole
Hole wall can be cut, when anchor pole rotates, it is possible at described torsion transferring structure when inserting connected concrete installing hole
Connecting under power transmission, the most crosscutting hole wall, the translot cell wall cut out by it with hole wall is formed to lock in and coordinates.
Using on the basis of technique scheme, the present invention also can use technical scheme or to these further below
Technical scheme is combined using:
The side of described crosscutting positioning convex portion is pointed, and top can be formed to lock in the described translot cell wall of hole wall and coordinate, this
In bright, above-mentioned solid pointed can provide powerful and lock power in.
The outside of described crosscutting positioning convex portion has the blade that can cut concrete, and described blade inserts concrete at anchor pole
Hole wall can be cut, when anchor pole rotates, it is possible to the most crosscutting concrete installing hole hole wall during installing hole.
There is outside described expansion part the blade of energy cut hole wall.Described blade can be horizontal stripe, point-like or backspin bar,
But prioritizing selection is horizontal stripe, it is possible not only to help expansion part extruding to embed in concrete hole wall, it is also possible to assist crosscutting location
The process of the online crosscutting hole wall of protuberance, and certain expansion sleeve self-lock force is provided.
Ash bits storage bits cave and ash bits circulation groove it is provided with, so that guarantee can be directly by anchor when initial crab-bolt loads bottom described anchor pole
Bar installs at the bottom of hole, effectively solves the surplus ash bits problem stayed during boring.
Described axial limit structure includes the groove being in anchor surface and the collar being connected with described groove.
Described axial limit structure include on limit screw cap and anchor pole be at restraining position with described limit screw cap
The screw thread connected.
Described axial limit structure includes expanding the limited step of sleeve lining or button and the limited step of anchor surface
Or groove.When anchor surface for limited step time, the limited step that the inner portion at expansion part is provided with anchor surface is joined
The importing inclined-plane closed.Further, the limited step of described expansion sleeve lining or buckle are at expansion part.
Described torsion transferring structure is locking key or the tooth of anchor surface.
Described torsion transferring structure includes locking key or the tooth of anchor surface, the described seam of expansion sleeve and described locking key or tooth
Carry out the cooperation of described preliminary anti-rotation.
Described anchor pole is provided with the length-fixed structure of anchor pole, and described length-fixed structure is for limiting anchor pole at the concrete connected
Length in installing hole.
Described linkage section is provided with connection screw thread, the length-fixed structure of anchor pole on anchor pole, and described connection screw thread is up to described limit
Bit positions, described length-fixed structure is for limiting anchor pole length in the concrete installing hole connected, and it is described connection
Screw thread on screw thread is destroyed or interrupting portion.
Further, described limit screw cap constitutes the locating ring of crab-bolt and is provided with anti-rotation protuberance, described anti-rotation protuberance energy
Straight trough that is enough and that formed at hole wall during described crosscutting positioning convex portion rip cutting concrete installing hole hole wall vertically forms anti-rotation and coordinates,
Described locating ring can form location fit with described concrete installing hole hole wall.
Described crab-bolt is also configured with locating ring, and described locating ring can be enclosed within anchor pole and and concrete installing hole hole wall formation
Location fit
Another technical problem to be solved of the present invention is to provide the installation method on a kind of concrete utilizing above-mentioned crab-bolt,
To this end, the present invention is by the following technical solutions:
Installation method on a kind of concrete, it is characterised in that it is straight with what above-mentioned crab-bolt size was mated to concrete drill size
Hole, the aperture of straight hole is slightly little than the diameter of the crosscutting positioning convex portion of crab-bolt；
In straight hole, knock in the anchor pole of the above-mentioned crab-bolt of size coupling, the crosscutting positioning convex portion incision concrete hole of described crab-bolt
Wall, and incision vertically, form straight trough at hole wall；
Knock in after described straight hole puts in place until described anchor pole, anchor pole possesses locating ring, connect anchor pole with instrument
Linkage section, operates anchor pole in the following ways, and wherein, described locating ring and straight hole hole wall form location fit:
Rotate anchor pole, make described crosscutting positioning convex portion under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall,
The translot cell wall cut out by it with hole wall is formed to lock in and coordinates；Then while rotating anchor pole to expand sleeve rotating to drive,
Make anchor pole direction motion outside hole, the expansion part of its conical flare expansion sleeve, make expansion part extruding embed in concrete hole wall；
Or:
Rotating anchor pole, make crosscutting positioning convex portion under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall, with hole
The translot cell wall that wall is cut out by it is formed and locks cooperation in；Meanwhile, anchor pole direction motion outside hole, its conical flare expansion sleeve are made
Expansion part, make expansion part extruding embed in concrete hole wall；Or:
Rotate anchor pole, make described crosscutting positioning convex portion under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall,
The translot cell wall cut out by it with hole wall is formed to lock in and coordinates；Then making anchor pole direction motion outside hole, its conical flare is expanded
The expansion part of sleeve, makes expansion part extruding embed in concrete hole wall.
Further, the axial limit structure of described crab-bolt includes being at restraining position on limit screw cap and anchor pole
The screw thread being connected with described limit screw cap, described linkage section is provided with connection screw thread, and described connection screw thread is up to described spacing position
Put place；Described limit screw cap constitutes the locating ring of crab-bolt and is provided with anti-rotation protuberance, and described anti-rotation protuberance can be with described hole wall
Straight trough forms anti-rotation and coordinates；
Rotate anchor pole, until described limit screw cap relies on the rotation of anchor pole and limit screw cap to coordinate with the anti-rotation of described hole wall straight trough
And rise to the top of straight hole, make anchor pole direction motion outside hole the most again.
Another technical problem to be solved of the present invention is to provide the installation on a kind of concrete utilizing above-mentioned crab-bolt
Structure, to this end, the present invention is by the following technical solutions:
Mounting structure on a kind of concrete, it is characterised in that it includes above-mentioned crab-bolt and fitting with crab-bolt on concrete
The straight hole joined, the aperture of straight hole is slightly little than the diameter of the crosscutting positioning convex portion of crab-bolt, and described mounting structure includes:
The expansion part of described expansion sleeve is extruded by cone effect in embedding concrete hole wall；
By crosscutting positioning convex portion the most crosscutting concrete hole wall, the translot cell wall cut out online with hole wall forms crab-bolt and hole
The retreating-proof of wall locks cooperation in.
Owing to using technical scheme, crab-bolt provided by the present invention, simple and reasonable and can realize automatic
Changing and install, compared with conventional crab-bolt, its structure can use cold-heading method directly to manufacture, the big low cost of intensity；And can make
The installation method on the concrete of described crab-bolt and mounting structure is utilized to form embedded structure online and lock what structure combined in
Powerful bonding strength, it is possible to bear the load of screw rod institute energy limit carrying.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention 1 crab-bolt.
Fig. 2 is the front view of the embodiment of the present invention 1 anchor pole.
Fig. 3 is the front view that the embodiment of the present invention 1 expands sleeve.
Fig. 4 is the sectional view that the embodiment of the present invention 1 expands sleeve.
Fig. 5 is the top view that the embodiment of the present invention 1 expands sleeve.
Fig. 6 is the front view of the embodiment of the present invention 2 crab-bolt.
Fig. 7 is the front view of the embodiment of the present invention 2 anchor pole.
Fig. 8 is the crab-bolt front view that the embodiment of the present invention 2 expands under sleeve section view state.
Fig. 9 is the top view that the embodiment of the present invention 2 expands sleeve.
Figure 10 is the front view of the embodiment of the present invention 3 crab-bolt.
Figure 11 is the front view of the embodiment of the present invention 3 anchor pole.
Figure 12,13,14,15 are followed successively by the installation steps schematic diagram of the application embodiment of the present invention 1 crab-bolt, and wherein, Figure 14 a is
The top view of locating ring.
Figure 16 a is crosscutting positioning convex portion axial incision hole wall when putting in place, the schematic diagram of hole wall..
Figure 16 b be crosscutting positioning convex portion on the basis of Figure 16 a after crosscutting hole wall, one of schematic diagram of hole wall.
Figure 16 c be crosscutting positioning convex portion on the basis of Figure 16 a after crosscutting hole wall, the two of the schematic diagram of hole wall.
Figure 17,18 be followed successively by application the embodiment of the present invention 3 crab-bolt installation steps schematic diagram.
Detailed description of the invention
1-5 referring to the drawings.Crab-bolt provided by the present invention, including anchor metal 1, expansion metal sleeve 2, described expanding sheath
Cylinder 2 bottoms are provided with the expansion part 21 with seam 20, are provided with the cone 11 strutted for expansion part bottom anchor pole, and anchor pole top is provided with even
The section of connecing 12, anchor pole is provided with the torsion transferring structure of described expansion sleeve near that section of cone.
Described expansion sleeve 2 is sized to pass through the linkage section 12 of anchor metal and reach up to before unexpanded
Described cone or close to described cone so that it is can be formed with described torsion transferring structure and be connected；Expansion sleeve 2 can be a circle
Column sleeve shape, intensity is big and can be manufactured by cold-heading, and the sword on crosscutting positioning convex portion thereon, expansion part all can be manufactured in cold-heading
Type.
Described crab-bolt is additionally provided with axial limit structure, makes described expansion sleeve 2 arrive described cone or close to described cone
Its axial location is kept after body 11.
Described expansion sleeve 2 outer surface of upper exists circumferentially arranged with multiple crosscutting positioning convex portion 22, described crosscutting positioning convex portion 22
Hole wall can be cut, when anchor pole 1 rotates, it is possible to pass at described torsion when anchor pole 1 is inserted connected concrete installing hole
Passing under the connection power transmission of structure, the most crosscutting hole wall, the translot cell wall cut out by it with hole wall is formed to lock in and coordinates.Described torsion
Power transferring structure the prepackage stage of crab-bolt also act as keep expansion sleeve and anchor pole to be in can not the work of state in relative rotation
With.
Expansion sleeve upper segment is seamless whole circle, and the side of described crosscutting positioning convex portion 22 is pointed 221, top
222 can be formed lock in the described translot cell wall of hole wall and coordinate, and crosscutting positioning convex portion 22 is paid the utmost attention to as can height load cold
The solid that upsetting completes.
The outside of described crosscutting positioning convex portion has the blade 220 that can cut concrete, and described blade 220 is inserted at anchor pole
Concrete installing hole hole wall can be cut, when anchor pole rotates, it is possible to along week during the concrete installing hole that described crab-bolt is connected
To crosscutting hole wall.
Described torsion transferring structure includes locking key or the tooth 13 of anchor surface.Locking key or the tooth 13 of described anchor surface also may be used
When the locking key of employing another way, i.e. anchor surface or tooth extend to cone 11 or be located in the cone of anchor surface, expand
The described seam 20 opening sleeve 2 carries out described torsion transferring structure with described locking key or tooth 13, but effect is not as good as the former, because when expanding
When part is expanded, described seam the most gradually lifts, and expansion part is when locking key or tooth 13 lower slide, and expansion part is mixed by rotating incision
Coagulate the torsion impact of soil, easily produce the tangent or increase resistance between two metals.
There is outside described expansion part the blade 210 of energy cut hole wall.Described blade is horizontal stripe.
Ash bits storage bits cave 14 and ash bits circulation groove 15 it is provided with bottom described anchor pole 1.
Described axial limit structure includes the groove 16 being in anchor surface and the collar 3 being connected with described groove.When anchor pole 1 quilt
When inserting connected concrete installing hole, crosscutting positioning convex portion 22 rip cutting concrete installing hole hole wall vertically meet obstructions to
During retrogressing, can be stoped by described axial limit structure, and when anchor pole 1 rotates and rises expansion expansion part, although axial limiting knot
The spacing of structure rises the most accordingly, but described crosscutting positioning convex portion 22 formed with described translot cell wall lock in coordinate and prevent expansion
Axially rising of sleeve is exited.
Described linkage section 12 is provided with connection screw thread, and anchor pole 1 can be provided with the length-fixed structure of anchor pole, and described connection screw thread is used for
Connecting with the instrument 100 making anchor pole rotate and be connected with the clamp nut of fixing article, described length-fixed structure is used for limiting anchor
Bar length in the concrete installing hole connected.
Described crab-bolt is also configured with locating ring 4, and its profile and concrete installing hole hole wall match, and described locating ring can be enclosed within
It is in the position in aperture on anchor pole, and the concrete installing hole hole wall that described crab-bolt is connected forms location fit, makes anchor pole 1
Keep vertical in concrete installing hole when being connected with concrete installing hole.
As Figure 6-9, in this embodiment, described axial limit structure uses another way, including expanding sheath
The limited step 223 of cylinder inwall and the limited step 17 of anchor surface.The limited step 223 of described expansion sleeve lining is in
At expansion part 21, described limited step 17 is near cone 11, constitutes the stopper slot to expansion sleeve with the inclined-plane of cone 11.
Inner portion at expansion part is provided with the importing inclined-plane 224 that the limited step 17 with anchor surface coordinates.Accompanying drawing mark in Fig. 6-9
Number implication that the representative identical with Fig. 1-5 is identical.
Such as Figure 10, shown in 11, in this embodiment, described axial limit structure uses yet another approach, described axially
Position limiting structure includes being in, on limit screw cap 5 and anchor pole, the screw thread 18 being connected at restraining position with described nut.
In the present embodiment, the connection screw thread of described linkage section is at described restraining position, at restraining position
Screw thread be described screw thread 18, so, directly nut 5 can be screwed in when mounted, then will be in this fixed length on anchor pole
The connection thread damage at position or interrupting portion form described length-fixed structure 19.
In the present embodiment, described limit screw cap 5 constitutes the locating ring of described crab-bolt, the profile of limit screw cap 5 and described
The concrete installing hole hole wall that crab-bolt is connected matches, and is provided with anti-rotation protuberance 51, and described anti-rotation protuberance 51 can be with crosscutting
The straight trough formed at hole wall during positioning convex portion 22 rip cutting concrete installing hole hole wall vertically forms anti-rotation and coordinates, and so, works as anchor
When bar 1 rotates, it can utilize this anti-rotation to coordinate and be raised above, and forms the effect of above-mentioned locating ring, makes anchor pole 1 at concrete
Installing hole keep vertical.
The implication that representative that in Figure 10-11, drawing reference numeral is identical with Fig. 1-5 is identical.
With reference to Figure 12-15,16a, 16b.The installation method on concrete that the present invention provides comprises the following steps:
The straight hole 101 that concrete drill size is mated with above-mentioned crab-bolt size, namely above-mentioned concrete installing hole, straight hole
The aperture of 101 is slightly little than the diameter of the crosscutting positioning convex portion 22 of crab-bolt；
In straight hole 101, knocking in the anchor pole 1 of the above-mentioned crab-bolt of size coupling, crosscutting positioning convex portion 22 incision of described crab-bolt 1 is mixed
Solidifying soil hole wall, and incision vertically, knock in after described straight hole puts in place until described anchor pole, on the hole wall at crosscutting positioning convex portion rear portion
Forming axial straight trough 102, this result is shown in Figure 16 a；
Anchor pole 1 possesses locating ring 4, connect the end of the linkage section 12 of anchor pole with the power connector 100 of instrument
Portion, the threaded joints 200 of instrument is connected with the threaded portion of linkage section 12, until concrete bodies is encountered in the end 300 of instrument
400, operate anchor pole in the following ways:
Rotate anchor pole 1, make described crosscutting positioning convex portion 22 under the connection power transmission of described torsion transferring structure, the most crosscutting hole
Wall, translot 103 cell wall 104 cut out by it with hole wall is formed to lock in and coordinates；Then the power connector 100 of instrument is while revolving
Turning, the screw thread pulling force head 500 at threaded joints 200 place and power connector 100 start to promote at a slow speed, make anchor pole 1 also
Therefore direction motion outside hole, the expansion part 21 of its cone 11 expansion expansion sleeve, make expansion part 21 at sword 210 rotary-cut hole wall
The lower extruding of auxiliary embeds in concrete hole wall, and as shown in fig 16b, translot 103 is got through ringwise, and wherein, drawing reference numeral 105 is
Hole wall is expanded the result formed after part 21 extrusion is cut, as shown in figure 16 c, in this embodiment, crosscutting positioning convex portion with sword 210
The anglec of rotation is little, and torsion transferring structure i.e. disappears, and such as key, tooth is worn away, and translot 103 is in one section one section.
Or:
Rotate anchor pole 1, make crosscutting positioning convex portion 22 under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall,
Translot 103 cell wall 104 cut out by it with hole wall is formed to lock in and coordinates；Meanwhile, the screw thread pulling force head at threaded joints 200 place
500 and power connector 100 start promote, make anchor pole 1 outside hole direction motion, its cone 11 expansion expansion sleeve expansion part
21, make expansion part 21 extrude under the auxiliary of sword 210 rotary-cut hole wall embedding concrete hole wall in, this result referring also to Figure 16 b,
16c。
Or:
Rotate anchor pole 1, make crosscutting positioning convex portion 22 under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall,
Translot 103 cell wall 104 cut out by it with hole wall is formed to lock in and coordinates；Then, the screw thread pulling force head at threaded joints 200 place
500 and power connector 100 start promote, make anchor pole 1 outside hole direction motion, its cone 11 expansion expansion sleeve expansion part
21, make expansion part 21 extruding embed in concrete hole wall, this result is referring also to Figure 16 c, but effect can be less than the former two.
Thus, by described crosscutting positioning convex portion 22 side pointed 221, translot 103 is inverted cone, crosscutting positioning convex portion 22
Formed to lock in the cell wall of inverted cone translot 103 and coordinate, prevent anchor pole 1 from exiting back, and embed concrete lock with expansion part 21
The powerful attachment force formed combines, and produces unless broken the connection effect that anchor pole otherwise will not get loose.
Such as Figure 17, shown in 18, if the axial limit structure of described crab-bolt, locating ring use the mode of Figure 10-11；
Rotate anchor pole 1, until described limit screw cap 5 relies on the rotation of anchor pole 1 and limit screw cap 5 and described hole wall straight trough 102
Anti-rotation coordinates and rises to the top of straight hole, and then the another limit of power connector 100 rotates and rises, and makes anchor pole 1 outside hole
Move in direction.The hole wall of this result as shown in fig 16b,
The foregoing is only the specific embodiment of the present invention, but the architectural feature of the present invention is not limited thereto, any this area
Technical staff in the field of the invention, the change made or modify all is contained among protection scope of the present invention.
Claims (18)
1. a crab-bolt, including anchor metal, expansion metal sleeve, described expansion lower cartridge is provided with the expansion part with seam,
The cone for strutting expansion part it is provided with bottom anchor pole, it is characterised in that: anchor pole top is provided with linkage section, and anchor pole is near cone
That section is provided with the torsion transferring structure of described expansion sleeve, and described expansion sleeve is connected on anchor pole, and passes with described torsion
Pass structure to connect；
Described expansion sleeve is sized to pass through the linkage section of anchor metal before unexpanded, and reaches up to described cone
Body or close to described cone so that it is can be formed with described torsion transferring structure and be connected；
Described crab-bolt is additionally provided with axial limit structure, makes described expansion sleeve arrive described cone or protect close to during described cone
Hold its axial location；
Described expansion sleeve outer surface of upper is circumferentially arranged with crosscutting positioning convex portion, and anchor pole is being inserted by described crosscutting positioning convex portion
Hole wall can be cut, when anchor pole rotates, it is possible in the connection of described torsion transferring structure during the concrete installing hole connected
Under power transmission, the most crosscutting hole wall, the translot cell wall cut out by it with hole wall is formed to lock in and coordinates.
2. a kind of crab-bolt as claimed in claim 1, it is characterised in that the side of described crosscutting positioning convex portion is pointed, top energy
Formed to lock in the described translot cell wall of hole wall and coordinate.
3. a kind of crab-bolt as claimed in claim 1, it is characterised in that be provided with ash bits storage bits cave and ash bits stream bottom described anchor pole
Groove.
4. a kind of crab-bolt as claimed in claim 1, it is characterised in that described axial limit structure includes being in anchor surface
Groove and the collar being connected with described groove.
5. a kind of crab-bolt as claimed in claim 1, it is characterised in that described axial limit structure includes limit screw cap and anchor
It is in, on bar, the screw thread being connected at restraining position with described limit screw cap.
6. a kind of crab-bolt as claimed in claim 1, it is characterised in that described axial limit structure includes expanding sleeve lining
Limited step or button and the limited step of anchor surface or groove.
7. a kind of crab-bolt as claimed in claim 6, it is characterised in that limited step or the buckle of described expansion sleeve lining exist
At expansion part.
8. a kind of crab-bolt as claimed in claim 1, it is characterised in that described torsion transferring structure is key or the tooth of anchor surface.
9. crab-bolt as claimed in claim 1 a kind of, it is characterised in that described torsion transferring structure include anchor surface key or
Tooth, the described seam of expansion sleeve is formed with described key or tooth and is connected.
10. a kind of crab-bolt as claimed in claim 1, it is characterised in that anchor pole is provided with the length-fixed structure of anchor pole, described fixed length
Structure is for limiting anchor pole length in the concrete installing hole connected.
11. a kind of crab-bolts as claimed in claim 5, it is characterised in that described linkage section is provided with connection screw thread, anchor pole on anchor pole
Length-fixed structure, described connection screw thread until described restraining position at, described length-fixed structure is used for limiting anchor pole and is being connected
Concrete installing hole in length, it is that the screw thread on described connection screw thread is destroyed or interrupting portion.
12. a kind of crab-bolts as claimed in claim 11, it is characterised in that described limit screw cap constitutes the locating ring of crab-bolt and sets
Be equipped with anti-rotation protuberance, described anti-rotation protuberance can with during described crosscutting positioning convex portion rip cutting concrete installing hole hole wall vertically
The straight trough that hole wall is formed forms anti-rotation and coordinates, and described locating ring can form location fit with described concrete installing hole hole wall.
13. a kind of crab-bolts as claimed in claim 1 or 2, it is characterised in that the outside of described crosscutting positioning convex portion has can cut
Entering the blade of concrete, described blade can cut hole wall when anchor pole inserts concrete installing hole, when anchor pole rotates, it is possible to
The most crosscutting concrete installing hole hole wall.
14. a kind of crab-bolts as claimed in claim 1, it is characterised in that described crab-bolt is also configured with locating ring, described locating ring
Can be enclosed within anchor pole and and concrete installing hole hole wall formation location fit.
15. a kind of crab-bolts as claimed in claim 1, it is characterised in that there is outside described expansion part the blade of energy cut hole wall.
Installation method on 16. 1 kinds of concrete, it is characterised in that it is to concrete drill size and the crab-bolt described in claim 1
The straight hole of size coupling, the aperture of straight hole is slightly little than the diameter of the crosscutting positioning convex portion of crab-bolt；
In straight hole, knock in the anchor pole of crab-bolt described in the claim 1 of size coupling, the crosscutting positioning convex portion incision of described crab-bolt
Concrete hole wall, and incision vertically, form straight trough at hole wall；
Knock in after described straight hole puts in place until described anchor pole, anchor pole possesses locating ring, connect anchor pole with instrument
Linkage section, operates anchor pole in the following ways, and wherein, described locating ring and straight hole hole wall form location fit:
Rotate anchor pole, make described crosscutting positioning convex portion under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall,
The translot cell wall cut out by it with hole wall is formed to lock in and coordinates；Then while rotating anchor pole to expand sleeve rotating to drive,
Make anchor pole direction motion outside hole, the expansion part of its conical flare expansion sleeve, make expansion part extruding embed in concrete hole wall；
Or:
Rotating anchor pole, make crosscutting positioning convex portion under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall, with hole
The translot cell wall that wall is cut out by it is formed and locks cooperation in；Meanwhile, anchor pole direction motion outside hole, its conical flare expansion sleeve are made
Expansion part, make expansion part extruding embed in concrete hole wall；Or:
Rotate anchor pole, make described crosscutting positioning convex portion under the connection power transmission of described torsion transferring structure, the most crosscutting hole wall,
The translot cell wall cut out by it with hole wall is formed to lock in and coordinates；Then making anchor pole direction motion outside hole, its conical flare is expanded
The expansion part of sleeve, makes expansion part extruding embed in concrete hole wall.
Installation method on 17. a kind of concrete as claimed in claim 16, it is characterised in that the axial limiting of described crab-bolt
Structure includes the screw thread being connected at restraining position that is on limit screw cap and anchor pole, described linkage section with described limit screw cap
Being provided with connection screw thread, described connection screw thread is at described restraining position；Described limit screw cap constitute crab-bolt locating ring and
Being provided with anti-rotation protuberance, described anti-rotation protuberance can form anti-rotation with described hole wall straight trough and coordinate；
Rotate anchor pole, until described limit screw cap relies on the rotation of anchor pole and limit screw cap to coordinate with the anti-rotation of described hole wall straight trough
And rise to the top of straight hole, make anchor pole direction motion outside hole the most again.
Mounting structure on 18. 1 kinds of concrete, it is characterised in that it includes the crab-bolt described in claim 1 and at concrete
On the straight hole adaptive with crab-bolt, the aperture of straight hole is slightly little than the diameter of the crosscutting positioning convex portion of crab-bolt, described mounting structure bag
Include:
The expansion part of described expansion sleeve is extruded by cone effect in embedding concrete hole wall；
By crosscutting positioning convex portion the most crosscutting concrete hole wall, the translot cell wall cut out online with hole wall forms crab-bolt and hole
The retreating-proof of wall locks cooperation in.
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| CN201610550536.XA CN106194946A (en) | 2016-07-11 | 2016-07-11 | A kind of crab-bolt and the installation method on concrete and mounting structure |
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| CN201610550536.XA CN106194946A (en) | 2016-07-11 | 2016-07-11 | A kind of crab-bolt and the installation method on concrete and mounting structure |
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| CN106194946A true CN106194946A (en) | 2016-12-07 |
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| CN109339842A (en) * | 2018-11-13 | 2019-02-15 | 重庆大学 | A kind of liquid metal sensor and the large deformation anchor rod using the sensor monitoring and warning |
| CN109973484A (en) * | 2019-04-16 | 2019-07-05 | 上海贤奕电梯配件有限公司 | A kind of novel self undercut anchor |
| CN110219869A (en) * | 2019-06-17 | 2019-09-10 | 沈阳建筑大学 | A kind of end bracing type unilateral bolt fastener |
| CN111727293A (en) * | 2017-12-15 | 2020-09-29 | J·J·梅利克 | Security fence assembly |
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Application publication date: 20161207 |