CN203214519U - V-type rear-reamed anchor bolt - Google Patents
V-type rear-reamed anchor bolt Download PDFInfo
- Publication number
- CN203214519U CN203214519U CN 201220618366 CN201220618366U CN203214519U CN 203214519 U CN203214519 U CN 203214519U CN 201220618366 CN201220618366 CN 201220618366 CN 201220618366 U CN201220618366 U CN 201220618366U CN 203214519 U CN203214519 U CN 203214519U
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- locking key
- bolt
- type according
- nut
- reaming crab
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Abstract
The utility model disclosed a V-type rear-reamed anchor bolt, which includes: a T-shaped screw, a lock key pedestal, lock key blades, a taper sleeve pipe, a gasket and a nut. The T-shaped screw rod is a screw rod having one end provided with a T-shaped clamping head and the other end provided with screw threads used for tightening the nut. The T-shaped clamping head keeps to push the lock key pedestal outwardly from the hole under the promotion force generated by tightening the nut. Since the lock key pedestal and the lock key blades are connected, the pushing force of the T-shaped clamping head of the T-shaped screw can be transferred from the lock key pedestal to the lock key blades. The lock key blades can open slowly like a lotus according to the taper angle of the taper sleeve pipe under the combined action of the pushing force of the pedestal and the resistance of the taper sleeve pipe, until the opening is in match with a reamed hole of a basic material when the nut can not be screwed any more. An object to be anchored can be anchored firmly by loosening the nut, taking down the nut and the gasket, sheathing the object to be anchored, and sheathing the gasket and fastening the nut again. The V-type rear-reamed anchor bolt is simple in structure, easy to install, precision in dimension, long in service life, and free from inflation failure force. The V-type rear-reamed anchor bolt is capable of converting inflation failure force into beneficial force, has good anchoring effect, and is easy to promote and popularize.
Description
Technical field
The utility model relates to reaming crab-bolt after a kind of V-type, especially relates to reaming crab-bolt after the V-type of a kind of three locking key sheets or four locking key sheets and a plurality of locking key sheets, and it mainly is reaming (MKT-HK-V) crab-bolt after the V-type of being produced by Nanjing Man Kate company.The back anchoring that the application of reaming crab-bolt relates generally to a plurality of fields such as nuclear power station, power station, tunnel, track traffic, building after this V-type installs and fixes.
Background technique
Installing and fixing in engineerings such as nuclear power station, power station, subway, tunnel, basis be fixing often adopted the back anchorage technology, and the status of back anchorage technology is more and more important in the industrial civil building engineering.If the inefficacy of back anchor system can directly bring the loss of life and property, be necessary so adopt reliable anchor system.Back anchoring product divides from bearing mechanism and mainly contains three types of friction, mechanical caging and chemical bondings, and it is firm inadequately wherein to realize that with frictional force the expansion process that connects connects, the resistance to plucking ability; Though and it is reliable to realize that with chemical adhesive the bar planting method that connects connects, its structure glue adopts chemical reagent, and easily aging, cold and hot deformation coefficient is bigger etc., has potential safety hazard; And mechanical caging adopts drilling tool directly anchoring piece to be placed accurately position of concrete in base material boring usually, and wherein effective and efficient manner be big in base material gets out by special drilling tool outside little hole, adopt supporting back reaming crab-bolt to realize mechanical convex combination then, reach the purpose of transmitting load, present this back counter-boring techniques more and more is subjected to people and payes attention to, in recent years, a lot of enterprises and research institution have all done unremitting effort in every respect, make reaming crab-bolt in back obtain very big development, but the back reaming crab-bolt that adopts mostly is imported product at present, it is except the cost height, and crab-bolt also has the defective that produces failing stress.
Summary of the invention
The purpose of this utility model is to provide reaming crab-bolt after a kind of V-type, and reaming (MKT-HK-V) crab-bolt after the V-type of being produced by Nanjing Man Kate company provides reaming crab-bolt after a kind of V-type easy for installation, simple to operate, can change failing stress into active force.
In order to reach above-mentioned each purpose, the utility model has adopted following technological scheme: reaming crab-bolt after a kind of V-type, comprise T type screw rod, locking key base, locking key blade, taper, pad and nut, wherein, described T shape screw rod is that an end has the silk tooth screw rod that T shape dop, the other end are useful on tightening nuts; The locking key base is the structure that becomes an integral body with the locking key blade, and under the effect that is subjected to the taper pushing force, the locking key blade opens as the lotus flower flap, can be expanded the V shaped hole that the generation tensile strength that matches with base material; Taper is end car hollow circular-tube coning.
The reaming crab-bolt possesses following technique effect after the V-type of the present utility model: (1) can not produce the locking key that failing stress (2) can become failing stress the up big and down small V font reaming crab-bolt of active force (3), make the strength of crab-bolt promote greatly, can satisfy various requirement.
More particular embodiment is as follows: reaming crab-bolt after a kind of V-type, comprise T shape screw rod 1, locking key base 2, locking key blade 3, taper 4, pad 5 and nut 6, wherein, described T shape screw rod is that an end has T shape dop, the other end has the screw rod of a tooth, described locking key base and locking key blade are overall structures, their aperture is consistent with pipe thickness, the locking key blade separately forms the flap blade with all long saws of its tube wall vertically according to certain requirement, be processed into circular groove one at intersection, this circular groove is to guarantee that the locking key blade is when expanding, can not be subjected to the influence of locking key base and open difficulty, and guarantee its open starting point unanimity, namely guarantee the length unanimity of locking key blade, guaranteed that also the locking key blade can stressed uniformity; Described taper is that an end is processed into conical hollow circular-tube, and its round tube inside diameter just can allow the silk tooth end of screw rod pass freely through and be very close to each other, and its external diameter and locking key base are consistent, and the angle of taper equates with the angle that expands the V-shape hole that; During assembling T shape screw rod is passed the center hole of locking key base and locking key blade earlier, put taper again, the locking key base touches the T shape dop of T shape screw rod, and the end of locking key blade contacts with the conical head of taper, the taper the other end contacts with pad, is nut above the pad; T shape dop is responsible under the castering action power that nut screws, constantly the locking key base is pushed outside the hole, the locking key base is delivered to the locking key blade with its pushing force under the effect of T shape screw rod and T shape dop pushing force, described locking key blade is under the acting in conjunction of the resistance of the pushing force of locking key base and taper, the angle of taper according to taper slowly expands as the lotus flower flap, the active force that the cross section of the end of locking key blade and V-shape hole upper end produces forms the tension high strength power of crab-bolt, just stop after the V-shape hole wall that matches when opening up into to expand with base material, nut can't screw again, so far, crab-bolt whole erection process finishes, loosen nut is also taken off nut and pad, put anchor, overlap Upper gasket and tightening nuts again, whole anchor is mounted end.
Wherein, can be preferred, described locking key blade as requested vertically with tube wall week long saw separately, its be separated into five equilibrium or not five equilibrium, two, the locking key blade more than three or three; Described locking key blade is that up big and down small V font expands after installing, unlike up-small and down-big the expanding locking key and produce failing stress of common back reaming crab-bolt, thereby reaming crab-bolt but failing stress is converted into useful active force after the V-type.
Preferably, wherein T shape dop and screw rod are the integral body that can't separate, and its T shape dop also can be an assembly body that is connected with the silk tooth with screw rod; It can also be a satisfactory assemblying body that is combined by little T shape dop and big packing ring piece.
Preferably, described taper be an end by car hollow circular-tube coning, utilize the tapering of sleeve pipe conical head the locking key blade is pushed and to be opened.
Preferably, become 180 degree to arrange between the central point of two locking key blades, its line passes through central axis; Also can, randomly between three locking key blades inhomogeneously saw is set separately; Preferably, wherein become 120 degree saw evenly to be set separately respectively between three locking key blades; All right, the random inhomogeneous saw that arranges separates between three above locking key blades.
Preferably, the width between three above locking key blades equates, namely makes each blade saw evenly is set separately.
Description of drawings
Fig. 1 is structure (not under the loading status) schematic appearance of reaming crab-bolt after the V-type of the present utility model;
Fig. 2 installs the surface structure schematic representation of back working state (under the loading status) for reaming crab-bolt after the V-type of the present utility model;
Wherein mark is described as follows among the figure: 1-T shape screw rod, 2-locking key base, 3-locking key blade, 4-taper, 5-pad, 6-nut.
Embodiment
Describe reaming crab-bolt after the V-type of the present utility model in detail below in conjunction with accompanying drawing, reaming crab-bolt (MKT-HK-V) after the novel V-type of being produced by Nanjing Man Kate company.Any staff who is familiar with this technology please refer to shown in Fig. 1-2, by reference to the accompanying drawings enforcement of the present utility model explained, so that can implement after studying this specification carefully according to this.
Shown in accompanying drawing 1-2, reaming crab-bolt after a kind of V-type comprises T shape screw rod 1, locking key base 2, locking key blade 3 (for example the locking key blade is two), taper 4, pad 5 and nut 6; Wherein, described T shape screw rod is that an end has T shape head, we can be referred to as T shape dop again, the other end is the screw rod with tooth, the locking key base is an integral body that connects together with locking key blade (this locking key blade is two), during assembling T shape screw rod is passed the center hole of locking key base and locking key blade earlier, put taper again, the dop of locking key base contact T shape screw rod, the locking key blade contacts with the conical head of taper, and taper is that an end is by car hollow circular-tube coning; Under the castering action power that T shape dop provides when nut screws, constantly the locking key base is pushed outside the hole, the locking key base is under the pushing force effect of T shape screw rod dop, the locking key base is an integral body that connects together with the locking key blade, pushing force has passed to the locking key blade naturally, the locking key blade is under the acting in conjunction of the resistance of the pushing force of locking key base and taper, the angle of taper according to taper slowly expands as the lotus flower flap, be expanded to be expanded with base material and stop after the hole that matches, nut can't screw again, so far, crab-bolt whole erection process finishes.The active force that the cross section of the end of locking key blade and V-shape hole upper end produces has just formed the tension high strength power of crab-bolt.
Can be preferred, become 180 degree to arrange between first and second in the described locking key blade, its locking key blade line of centres passes through central axis.Described locking key blade expands according to up big and down small V font and is installed in the base material.
Embodiment 2
Reaming crab-bolt after a kind of V-type comprises T shape screw rod 1, locking key base 2, locking key blade 3, taper 4, pad 5 and nut 6; Wherein, described locking key blade is three, and it is an integral body that connects together with the locking key base.Preferably, become to become respectively 120 to spend any setting that even setting also can be inhomogeneous between described three locking key blades.Other side is all identical with embodiment 1, is not described in detail in this.
Reaming crab-bolt after a kind of V-type comprises T shape screw rod 1, locking key base 2, locking key blade 3, taper 4, pad 5 and nut 6; Wherein, described locking key blade 3 be four and more than, it is an integral body that connects together with the locking key base.Preferably, become to become respectively any setting that even setting also can be inhomogeneous between the described locking key blade more than four.Other side is all identical with embodiment 1, is not described in detail in this.
As previously discussed, it is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction.Any distortion that is equal to, modification or differentiation etc. that all those skilled in the art utilize the technical solution of the utility model that above-mentioned mode of execution is made all still belong in the scope of the technical solution of the utility model.
Claims (13)
1. reaming crab-bolt after the V-type, comprise T shape screw rod (1), locking key base (2), locking key blade (3), taper (4), pad (5) and nut (6), it is characterized in that: described T shape screw rod is that an end has the screw rod that T shape dop, the other end have a tooth, described locking key base and locking key blade are overall structures, and their aperture is consistent with pipe thickness.
2. reaming crab-bolt after the V-type according to claim 1, wherein, described locking key blade as requested vertically with tube wall week long saw separately, it is separated into five equilibrium or the locking key blade of five equilibrium not.
3. reaming crab-bolt after the V-type according to claim 2, wherein, five equilibrium or not the described locking key blade of five equilibrium be two, more than three or three.
4. reaming crab-bolt after the V-type according to claim 1, wherein, described locking key blade, be that up big and down small V font expands after the installation, unlike up-small and down-big the expanding locking key and produce failing stress of common back reaming crab-bolt, thereby reaming crab-bolt but failing stress is converted into useful active force after the V-type.
5. reaming crab-bolt after the V-type according to claim 1, wherein, described T shape dop and screw rod are the integral body that can't separate.
6. reaming crab-bolt after the V-type according to claim 1, wherein, described T shape dop is an assembly body that is connected with the silk tooth with screw rod.
7. reaming crab-bolt after the V-type according to claim 1, wherein, described T shape dop and screw rod are satisfactory assemblying bodys that is combined by little T shape dop and big packing ring piece.
8. reaming crab-bolt after the V-type according to claim 1, wherein, described taper be an end by car hollow circular-tube coning, utilize the tapering of sleeve pipe conical head the locking key blade is pushed and to be opened.
9. reaming crab-bolt after the V-type according to claim 3 wherein, becomes 180 degree to arrange between the central point of two locking key blades, and its line passes through central axis.
10. reaming crab-bolt after the V-type according to claim 3 wherein, randomly between three locking key blades inhomogeneously arranges saw separately.
11. reaming crab-bolt after the V-type according to claim 3 wherein, becomes 120 degree saw evenly to be set separately respectively between three locking key blades.
12. reaming crab-bolt after the V-type according to claim 3, wherein, the random inhomogeneous saw that arranges separates between three above locking key blades.
13. reaming crab-bolt after the V-type according to claim 3, wherein, the width between three above locking key blades equates, namely makes each blade saw evenly is set separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618366 CN203214519U (en) | 2012-11-21 | 2012-11-21 | V-type rear-reamed anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618366 CN203214519U (en) | 2012-11-21 | 2012-11-21 | V-type rear-reamed anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214519U true CN203214519U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220618366 Expired - Lifetime CN203214519U (en) | 2012-11-21 | 2012-11-21 | V-type rear-reamed anchor bolt |
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| Country | Link |
|---|---|
| CN (1) | CN203214519U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967901A (en) * | 2014-05-21 | 2014-08-06 | 中港长江建设工程有限公司 | Novel expansion bolt |
| WO2018157198A1 (en) * | 2017-03-01 | 2018-09-07 | Stephen Howell | Anchor bolt |
| RU2743320C1 (en) * | 2020-07-21 | 2021-02-17 | Михаил Борисович Мельников | Fastening element of locking threaded connection and locking threaded connection with its use |
| RU2755107C1 (en) * | 2021-02-04 | 2021-09-13 | Михаил Борисович Мельников | Fastener for locking threaded connection and locking threaded connection using it |
-
2012
- 2012-11-21 CN CN 201220618366 patent/CN203214519U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967901A (en) * | 2014-05-21 | 2014-08-06 | 中港长江建设工程有限公司 | Novel expansion bolt |
| WO2018157198A1 (en) * | 2017-03-01 | 2018-09-07 | Stephen Howell | Anchor bolt |
| AU2018226614B2 (en) * | 2017-03-01 | 2024-02-08 | Stephen Howell | Anchor bolt |
| RU2743320C1 (en) * | 2020-07-21 | 2021-02-17 | Михаил Борисович Мельников | Fastening element of locking threaded connection and locking threaded connection with its use |
| RU2755107C1 (en) * | 2021-02-04 | 2021-09-13 | Михаил Борисович Мельников | Fastener for locking threaded connection and locking threaded connection using it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Nanjing Mankate science and Technology Co.,Ltd. Document name: Notification that Application Deemed not to be Proposed |
|
| DD01 | Delivery of document by public notice | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170413 Address after: Water Simon Street in Jianye District of Nanjing City, Jiangsu province 210000 No. 291 West 10 Street Wanda Building 307 room Patentee after: Nanjing Mankate science and Technology Co.,Ltd. Address before: Water Simon Street in Jianye District of Nanjing City, Jiangsu province 210000 No. 291 building 306 West 10 Street Wanda Patentee before: Xu Baoyu |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |