CN206486902U - A kind of replaceable prestressed anchor bolt mechanism - Google Patents
A kind of replaceable prestressed anchor bolt mechanism Download PDFInfo
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- CN206486902U CN206486902U CN201720144775.5U CN201720144775U CN206486902U CN 206486902 U CN206486902 U CN 206486902U CN 201720144775 U CN201720144775 U CN 201720144775U CN 206486902 U CN206486902 U CN 206486902U
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Abstract
The utility model is related to a kind of replaceable prestressed anchor bolt mechanism, including parallel and spaced upper anchor slab and lower anchor slab up and down, and connects the crab-bolt of upper anchor slab and lower anchor slab；The crab-bolt upper and lower end, which is each passed through on the upper anchor slab and lower anchor slab, the crab-bolt periphery between the upper anchor slab and lower anchor slab, is arranged with sleeve pipe, and described sleeve pipe two ends are tightly connected by thermal shrinkable sleeve with corresponding upper anchor slab and lower anchor slab respectively；Leveling nut is provided with the thermal shrinkable sleeve of described sleeve pipe upper end, the leveling nut is threadedly coupled with the crab-bolt；The crab-bolt lower end is connected by fixation kit with the lower anchor slab.Advantage：It is simple in construction, it is easy to use, fixed respectively with fixing nut and anchor bolts by preload piece, preload piece need to be only removed during dismounting, it is that the replacing of crab-bolt can be achieved to pull out crab-bolt.
Description
Technical field
The utility model is related to wind power generation stepped replaceable crab-bolt basic technology field, more particularly to it is a kind of it is replaceable it is pre- should
Power crab-bolt mechanism.
Background technology
When embedded foundation ring connects wind power generation stepped and basic in reinforced concrete foundation, foundation ring isolates its inside and outside steel
Reinforced concrete, both associativities are weak, stress globality poor.Using earth anchor cage connection tower and basis, reinforcement foundation can be in crab-bolt
Between very easily intert, the good integrity that crab-bolt is combined with basis, rigidity is uniform, and crab-bolt, which applies prestressing force, can improve bonding pad
The anti-fatigue performance of domain concrete.Current ground anchor foundation, if crab-bolt fracture or corrosion are serious, crab-bolt can not be changed, and be left
Larger potential safety hazard.Moreover, the Reinforced Concrete Design life-span is 50 years, and blower fan and earth anchor cage fatigue life are 20 years, blower fan
Reached with earth anchor cage after fatigue life, if crab-bolt can be changed, just can reuse original reinforced concrete foundation.Can not be more
In the basis for changing crab-bolt, the connection of crab-bolt and lower anchor slab is fastened using steel locking nut, but if it is considered that can
The actual operation of crab-bolt is changed, if still using steel nut, the replacing of crab-bolt will be unable to realize.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of replaceable prestressed anchor bolt mechanism, effectively overcomes
The defect of prior art.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of replaceable prestressed anchor bolt mechanism, bag
Parallel and spaced upper anchor slab and lower anchor slab up and down are included, and connects the crab-bolt of upper anchor slab and lower anchor slab；
Above-mentioned crab-bolt upper and lower end is each passed through above-mentioned upper anchor slab and lower anchor slab, the anchor between above-mentioned upper anchor slab and lower anchor slab
Sleeve pipe is arranged with bolt periphery, above-mentioned sleeve pipe two ends are tightly connected by thermal shrinkable sleeve with corresponding upper anchor slab and lower anchor slab respectively；
Leveling nut is provided with the thermal shrinkable sleeve of above-mentioned sleeve upper end, above-mentioned leveling nut is threadedly coupled with above-mentioned crab-bolt；
Above-mentioned crab-bolt lower end is connected by fixation kit with above-mentioned lower anchor slab.
The beneficial effects of the utility model are：It is simple in construction, it is easy to use, fixture need to be only removed during dismounting, anchor is pulled out
Bolt is the replacing that crab-bolt can be achieved, meanwhile, effectively reduce the risk of crab-bolt fracture tail tower and crab-bolt cage Joint failure.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, above-mentioned fixation kit includes the first fixing nut and preload piece, and above-mentioned first fixing nut is fixed on
The position of lower anchor slab lower end correspondence crab-bolt is stated, above-mentioned first fixing nut lower end axial thread is connected with preload piece, above-mentioned pretension
Part is axially arranged with runs through its screwed hole up and down, and above-mentioned crab-bolt lower end is stretched into above-mentioned screwed hole, and is threadedly coupled above-mentioned screw thread
Hole.
Be using the beneficial effect of above-mentioned further scheme it is simple in anchor structure, it is easy to use, pass through preload piece point
Do not fixed with the first fixing nut and anchor bolts, preload piece need to be only removed during dismounting, it is that crab-bolt can be achieved more to pull out crab-bolt
Change, meanwhile, effectively reduce the risk of crab-bolt fracture tail tower and crab-bolt cage Joint failure.
Further, above-mentioned first fixing nut is welded on above-mentioned lower anchor slab lower end.
It is that fixed form is simple using the beneficial effect of above-mentioned further scheme, is easy to engineering construction.
Further, above-mentioned preload piece includes pedestal and is integrally formed the columned pretension portion for being arranged on pedestal upper end, on
The internal diameter that pretension portion external diameter is stated with above-mentioned first fixing nut is matched, and is had and the first fixing nut on above-mentioned pretension portion periphery
The external screw thread matched somebody with somebody, above-mentioned pretension portion is threadedly coupled above-mentioned first fixing nut, above-mentioned pedestal upper end and the first fixing nut lower end
Abut, above-mentioned screwed hole sequentially passes through above-mentioned pretension portion and pedestal from top to bottom.
It is that preload piece is simple in construction using the beneficial effect of above-mentioned further scheme, the assembling with fixing nut and crab-bolt
It is convenient, dismounting, replacing beneficial to crab-bolt.
Further, above-mentioned fixation kit includes the second fixing nut and tensioning nut, and above-mentioned second fixing nut screw thread connects
Crab-bolt lower end is connected on, above-mentioned tensioning nut is arranged in the thermal shrinkable sleeve of above-mentioned its lower end, and is threadedly coupled with above-mentioned crab-bolt.
When using the beneficial effect of above-mentioned further scheme being disassembling, assembling and replacing, the second fixing nut only need to be removed, crab-bolt is
It can axially be pulled out in tensioning nut, change convenient.
It is preferred that, above-mentioned leveling nut and tensioning nut are nylon nut.
It is to be beneficial to crab-bolt axially to pull out using the beneficial effect of above-mentioned further scheme, can between nylon nut during pull-out
Slide, change more convenient.
Further, above-mentioned fixation kit includes carriage assembly and the 3rd fixing nut, and above-mentioned 3rd fixing nut screw thread connects
Above-mentioned crab-bolt lower end is connected on, above-mentioned carriage assembly is fixed on above-mentioned lower anchor slab lower end, and is abutted with above-mentioned crab-bolt lower end.
Using the beneficial effect of above-mentioned further scheme be by the 3rd fixing nut pretension, by carriage assembly to anchor
Bolt is supported, and good supporting role can be played to crab-bolt, is effectively reduced crab-bolt fracture tail tower and is connected with crab-bolt cage
The risk of failure, meanwhile, during dismounting, carriage assembly and the 3rd fixing nut need to be only removed successively crab-bolt can be achieved more
Change, operate more convenient.
It is preferred that, above-mentioned carriage assembly includes at least three bracket studs and carrier frame plate, and above-mentioned bracket stud is vertically set
Put, and interval is fixed on above-mentioned lower anchor slab lower end, its upper end is fixedly connected with lower anchor slab lower end, and above-mentioned bracket plate level is set
Put, above-mentioned bracket stud lower end is each passed through above-mentioned carrier frame plate, and is separately installed with pre-load nut, and above-mentioned carrier frame plate abuts above-mentioned
Pre-load nut, above-mentioned crab-bolt lower end is abutted with above-mentioned carrier frame plate.
It is that carriage assembly is simple in construction using the beneficial effect of above-mentioned further scheme, it is reasonable in design, it is easily installed, can be right
Crab-bolt plays good supporting role, effectively reduces the risk of crab-bolt fracture tail tower and crab-bolt cage Joint failure.
Above-mentioned carriage assembly includes at least three bracket studs and carrier frame plate, and above-mentioned bracket spiral shell is vertical and is arranged at intervals,
Its upper end is with being fixed through above-mentioned lower anchor slab and by nut, and above-mentioned carrier frame plate is horizontally disposed with, above-mentioned bracket stud lower end point
Not Chuan Guo above-mentioned carrier frame plate, and be separately installed with pre-load nut, above-mentioned carrier frame plate abuts above-mentioned pre-load nut, above-mentioned crab-bolt lower end
End is abutted with above-mentioned carrier frame plate
It using the beneficial effect of above-mentioned further scheme is carriage assembly to be using the beneficial effect of above-mentioned further scheme
It is simple in construction, it is reasonable in design, it is easily installed, good supporting role can be played to crab-bolt, effectively reduces after crab-bolt fracture
The risk of pylon and crab-bolt cage Joint failure.
Further, above-mentioned sleeve pipe is managed for PE.
Brief description of the drawings
Fig. 1 is the vertical section structure schematic diagram of replaceable prestressed anchor bolt mechanism of the present utility model in embodiment one；
Fig. 2 is the structural representation of replaceable prestressed anchor bolt mechanism of the present utility model；
Fig. 3 is the structural representation of replaceable prestressed anchor bolt mechanism of the present utility model in embodiment two；
Fig. 4 is the structural representation of replaceable prestressed anchor bolt mechanism of the present utility model in embodiment three；
Fig. 5 is another embodiment of replaceable prestressed anchor bolt mechanism kind carriage assembly of the present utility model in embodiment three
Structural representation.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, upper anchor slab, 2, lower anchor slab, 3, crab-bolt, 4, sleeve pipe, the 5, first fixing nut, 6, preload piece, 7, second fixes spiral shell
Mother, 8, tensioning nut, 9, carriage assembly, the 10, the 3rd fixing nut, 41, thermal shrinkable sleeve, 42, leveling nut, 61, pedestal, 62, pre-
Tight portion, 91, bracket stud, 92, carrier frame plate, 93, pre-load nut.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
Embodiment one：As illustrated in fig. 1 and 2, the replaceable prestressed anchor bolt mechanism of the present embodiment include up and down it is parallel and
Every the crab-bolt 3 of the upper anchor slab 1 and lower anchor slab 2 of setting, and the upper anchor slab 1 of connection and lower anchor slab 2；
The above-mentioned upper and lower end of crab-bolt 3 is each passed through above-mentioned upper anchor slab 1 and lower anchor slab 2, between above-mentioned upper anchor slab 1 and lower anchor slab 2
The periphery of crab-bolt 3 on be arranged with sleeve pipe 4, the above-mentioned two ends of sleeve pipe 4 pass through thermal shrinkable sleeve 41 and corresponding upper anchor slab 1 and lower anchor slab respectively
2 are tightly connected；
Leveling nut 42, above-mentioned leveling nut 42 and the above-mentioned screw thread of crab-bolt 3 are provided with the thermal shrinkable sleeve 41 of the above-mentioned upper end of sleeve pipe 4
Connection；
The above-mentioned lower end of crab-bolt 3 is connected by fixation kit with above-mentioned lower anchor slab 2.
When crab-bolt 3 is broken or poor-performing needs replacing, fixation kit is removed, crab-bolt 3 is axially pulled out, loaded newly
Crab-bolt.
Above-mentioned sleeve pipe 4 is managed for PE.
Above-mentioned fixation kit include the first fixing nut 5 and preload piece 6, above-mentioned first fixing nut 5 be fixed on it is above-mentioned under
The position of the lower end of anchor slab 2 correspondence crab-bolt 3, the above-mentioned lower end axial thread of first fixing nut 5 is connected with preload piece 6, above-mentioned pretension
Part 6 is axially arranged with runs through its screwed hole up and down, and the above-mentioned lower end of crab-bolt 3 is stretched into above-mentioned screwed hole, and is threadedly coupled above-mentioned spiral shell
Pit.
It is threadedly coupled between above-mentioned preload piece 6 and the first fixing nut 5, crab-bolt 3 is threadedly coupled with preload piece 6, above-mentioned
One fixing nut 5 is welded on the above-mentioned lower end of lower anchor slab 2, and the above-mentioned lower end of crab-bolt 3 is connected with preload piece 6, the first fixing nut 5
It is connected with lower anchor slab 2, preload piece 6 is connected with the first fixing nut 5 again, when crab-bolt 3 is broken, passes through pretension
" self-locking " of the fixing nut 5 of part 6 and first is fixed, after crab-bolt 3 is broken, the secure fit energy of the fixing nut 5 of preload piece 6 and first
The certain support force of crab-bolt 3 is provided, the risk of crab-bolt fracture tail tower and crab-bolt cage Joint failure is effectively reduced.
It is preferred that, above-mentioned preload piece 6 includes pedestal 61 and is integrally formed the columned pretension for being arranged on the upper end of pedestal 61
Portion 62, the above-mentioned external diameter of pretension portion 62 is matched with the internal diameter of above-mentioned first fixing nut 5, is had and the on the above-mentioned periphery of pretension portion 62
The external screw thread of one fixing nut 5 matching, above-mentioned pretension portion 62 is threadedly coupled above-mentioned first fixing nut 5, the above-mentioned upper end of pedestal 61
Abutted with the lower end of the first fixing nut 5, above-mentioned screwed hole sequentially passes through above-mentioned pretension portion 62 and pedestal 61, preload piece from top to bottom
6 is simple in construction, is easy to be interconnected and fixed with the first fixing nut 5 and crab-bolt 3, during dismounting, preload piece 6 is back-outed, made
Pretension portion 62 is released with fixing nut 5 and is threadedly coupled, synchronous, and the internal thread holes of pretension portion 62 are released with crab-bolt 3 and are threadedly coupled, it
Afterwards, crab-bolt 3 is changed.
Embodiment two：As shown in figure 3, above-mentioned fixation kit includes the second fixing nut 7 and tensioning nut 8, above-mentioned second
Fixing nut 7 is threaded in the lower end of crab-bolt 3, and above-mentioned tensioning nut 8 is arranged in the thermal shrinkable sleeve 41 of the above-mentioned lower end of sleeve pipe 4, and
It is threadedly coupled with above-mentioned crab-bolt 3, when removing the second fixing nut 7, crab-bolt 3 is axially pulled out, in drawing process, tensioning spiral shell
Between crab-bolt 3 Relative sliding can occur for mother 8, beneficial to crab-bolt 3 when removing replacing, when pull-out between leveling nut 42
Generation Relative sliding, is easy to the dismounting of crab-bolt 3, meanwhile, leveling can be carried out by 42 pairs of upper anchor slabs 1 of leveling nut.
Other be the same as Examples one.
Embodiment three：As shown in Figures 4 and 5, above-mentioned fixation kit includes the fixing nut 10 of carriage assembly 9 and the 3rd, above-mentioned
3rd fixing nut 10 is threaded in the above-mentioned lower end of crab-bolt 3, and above-mentioned carriage assembly 9 is fixed on the above-mentioned lower end of lower anchor slab 2, and with
The above-mentioned lower end of crab-bolt 3 is abutted.
During use, the 3rd fixing nut 10 is fixed with the lower end pretension of crab-bolt 3, meanwhile, carriage assembly 9 is to crab-bolt 3
To the supporting role of axial direction, the risk of crab-bolt fracture failure is effectively avoided.
It is preferred that, above-mentioned carriage assembly 9 includes at least three bracket studs 91 and carrier frame plate 92, and above-mentioned bracket stud 91 is equal
It is vertically arranged, and interval is fixed on the above-mentioned lower end of lower anchor slab 2, its upper end is fixedly connected with the lower lower end of anchor slab 2, above-mentioned carrier frame plate
92 are horizontally disposed with, and the above-mentioned lower end of bracket stud 91 is each passed through above-mentioned carrier frame plate 92, and is separately installed with pre-load nut 73, above-mentioned
Carrier frame plate 92 abuts above-mentioned pre-load nut 93, and the above-mentioned lower end of crab-bolt 3 is abutted with above-mentioned carrier frame plate 92.
It is preferred that, above-mentioned carriage assembly 9 includes at least three bracket studs 91 and carrier frame plate 92, and above-mentioned bracket stud 91 is equal
Vertical and interval setting, its upper end is with being fixed through above-mentioned lower anchor slab 2 and by nut, and above-mentioned carrier frame plate 92 is horizontally disposed with,
The above-mentioned lower end of bracket stud 91 is each passed through above-mentioned carrier frame plate 92, and is separately installed with pre-load nut 93, and above-mentioned carrier frame plate 92 is supported
Above-mentioned pre-load nut 93 is connect, the above-mentioned lower end of crab-bolt 3 is abutted with above-mentioned carrier frame plate 92.
Above-mentioned carriage assembly 9 dismounts more convenient, and installation is fairly simple.
Other be the same as Examples one.
During construction, tower adpting flange is fixed in the upper upper end of anchor slab 1, the upper end of crab-bolt 3 is through tower adpting flange and passes through
Nut pretension is fixed, and installs wind power generation stepped on tower adpting flange.
During construction, tower adpting flange is fixed in the upper upper end of anchor slab 1, the upper end of crab-bolt 3 is through tower adpting flange and passes through
Nut pretension is fixed, and installs wind power generation stepped on tower adpting flange.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of replaceable prestressed anchor bolt mechanism, it is characterised in that：Including parallel up and down and spaced upper anchor slab (1) and
Lower anchor slab (2), and connect the crab-bolt (3) of upper anchor slab (1) and lower anchor slab (2)；
Crab-bolt (3) upper and lower end is each passed through the upper anchor slab (1) and lower anchor slab (2), the upper anchor slab (1) and lower anchor slab
(2) be arranged with sleeve pipe (4) on crab-bolt (3) periphery between, described sleeve pipe (4) two ends respectively by thermal shrinkable sleeve (41) with it is corresponding
Upper anchor slab (1) and lower anchor slab (2) are tightly connected；
Leveling nut (42), the leveling nut (42) and the crab-bolt are provided with the thermal shrinkable sleeve (41) of described sleeve pipe (4) upper end
(3) it is threadedly coupled；
Crab-bolt (3) lower end is connected by fixation kit with the lower anchor slab (2).
2. a kind of replaceable prestressed anchor bolt mechanism according to claim 1, it is characterised in that：The fixation kit includes
First fixing nut (5) and preload piece (6), first fixing nut (5) are fixed on lower anchor slab (2) the lower end correspondence crab-bolt
(3) position, the first fixing nut (5) lower end axial thread is connected with preload piece (6), and the preload piece (6) axially sets
Have and run through its screwed hole up and down, crab-bolt (3) lower end is stretched into the screwed hole, and is threadedly coupled the screwed hole.
3. a kind of replaceable prestressed anchor bolt mechanism according to claim 2, it is characterised in that：First fixing nut
(5) it is welded on lower anchor slab (2) lower end.
4. a kind of replaceable prestressed anchor bolt mechanism according to claim 3, it is characterised in that：Preload piece (6) bag
Include pedestal (61) and be integrally formed the columned pretension portion (62) for being arranged on pedestal (61) upper end, pretension portion (62) external diameter
Matched with the internal diameter of first fixing nut (5), have on pretension portion (62) periphery and matched with the first fixing nut (5)
External screw thread, the pretension portion (62) is threadedly coupled first fixing nut (5), and pedestal (61) upper end is fixed with first
Nut (5) lower end is abutted, and the screwed hole sequentially passes through the pretension portion (62) and pedestal (61) from top to bottom.
5. a kind of replaceable prestressed anchor bolt mechanism according to claim 1, it is characterised in that：The fixation kit includes
Second fixing nut (7) and tensioning nut (8), second fixing nut (7) are threaded in crab-bolt (3) lower end, described
Draw nut (8) to be arranged in the thermal shrinkable sleeve (41) of described sleeve pipe (4) lower end, and be threadedly coupled with the crab-bolt (3).
6. a kind of replaceable prestressed anchor bolt mechanism according to claim 5, it is characterised in that：The leveling nut (42)
It is nylon nut with tensioning nut (8).
7. a kind of replaceable prestressed anchor bolt mechanism according to claim 1, it is characterised in that：The fixation kit includes
Carriage assembly (9) and the 3rd fixing nut (10), the 3rd fixing nut (10) are threaded in the crab-bolt (3) lower end,
The carriage assembly (9) is fixed on lower anchor slab (2) lower end, and is abutted with the crab-bolt (3) lower end.
8. a kind of replaceable prestressed anchor bolt mechanism according to claim 7, it is characterised in that：The carriage assembly (9)
Including at least three bracket studs (91) and carrier frame plate (92), the bracket stud (91) is vertically arranged, and interval is fixed on
Lower anchor slab (2) lower end, its upper end is fixedly connected with lower anchor slab (2) lower end, and the carrier frame plate (92) is horizontally disposed with, described
Bracket stud (91) lower end is each passed through the carrier frame plate (92), and is separately installed with pre-load nut (73), the carrier frame plate
(92) pre-load nut (93) is abutted, crab-bolt (3) lower end is abutted with the carrier frame plate (92).
9. a kind of replaceable prestressed anchor bolt mechanism according to claim 7, it is characterised in that：The carriage assembly (9)
Including at least three bracket studs (91) and carrier frame plate (92), the bracket stud (91) is vertical and is arranged at intervals, its upper end
With being fixed through the lower anchor slab (2) and by nut, the carrier frame plate (92) is horizontally disposed with, under the bracket stud (91)
End is each passed through the carrier frame plate (92), and is separately installed with pre-load nut (93), and the carrier frame plate (92) abuts the pretension
Nut (93), crab-bolt (3) lower end is abutted with the carrier frame plate (92).
10. a kind of replaceable prestressed anchor bolt mechanism according to any one of claim 1 to 9, it is characterised in that；The set
(4) are managed to manage for PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144775.5U CN206486902U (en) | 2017-02-17 | 2017-02-17 | A kind of replaceable prestressed anchor bolt mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144775.5U CN206486902U (en) | 2017-02-17 | 2017-02-17 | A kind of replaceable prestressed anchor bolt mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206486902U true CN206486902U (en) | 2017-09-12 |
Family
ID=59765481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720144775.5U Active CN206486902U (en) | 2017-02-17 | 2017-02-17 | A kind of replaceable prestressed anchor bolt mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206486902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501816A (en) * | 2020-04-08 | 2020-08-07 | 山东中车风电有限公司 | Connecting piece for anchor bolt replacement, anchor bolt system and anchor bolt replacement method |
-
2017
- 2017-02-17 CN CN201720144775.5U patent/CN206486902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501816A (en) * | 2020-04-08 | 2020-08-07 | 山东中车风电有限公司 | Connecting piece for anchor bolt replacement, anchor bolt system and anchor bolt replacement method |
| CN111501816B (en) * | 2020-04-08 | 2021-08-06 | 山东中车风电有限公司 | Connecting piece for anchor bolt replacement, anchor bolt system and anchor bolt replacement method |
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