CN206128108U - Prestressing force bucket foundation of removable crab -bolt - Google Patents
Prestressing force bucket foundation of removable crab -bolt Download PDFInfo
- Publication number
- CN206128108U CN206128108U CN201621113783.5U CN201621113783U CN206128108U CN 206128108 U CN206128108 U CN 206128108U CN 201621113783 U CN201621113783 U CN 201621113783U CN 206128108 U CN206128108 U CN 206128108U
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- China
- Prior art keywords
- crab
- bolt
- anchor slab
- concrete
- rigid casing
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Abstract
The utility model discloses a prestressing force bucket foundation of removable crab -bolt, include the hollow concrete column who forms by reinforced concrete, concrete column's bottom just lies in installs anchor slab down between inner formword and the exterior sheathing, concrete column's top is equipped with and the lower corresponding last anchor slab of anchor slab, bury the crab -bolt that a plurality of runs through anchor slab and lower anchor slab in the concrete column underground, the upper end of crab -bolt is fixed through the top nut, the crab -bolt overcoat is equipped with the rigid casing pipe who is used for keeping apart the concrete, rigid casing pipe both ends sealing connection is at last anchor slab under and on the anchor slab, the lower extreme of crab -bolt passes down anchor slab and screw even to be had to be and integratively sets up and be used for keeping apart the separation cap of concrete, separation cap's open end and lower anchor slab sealing connection. The utility model discloses a separation cap of integrated setting, the structural style who has improved seal assembly makes it have reduce cost, changes convenient advantage.
Description
Technical field
This utility model is related to wind power industry technical field of civil engineering, the prestressing force of more particularly to replaceable crab-bolt
Bucket foundation.
Background technology
At present for frame, the pylon of large-scale or large equipment, including wind-driven generator, wind turbine, power transmission line
The building such as street lighting and advertiser, bridge pad, business signboard, highway signboard, Ski Lift is taken using scene
The concrete foundation built is supported.
Prestressed cylinder-shaped basis applies in general to Gobi desert geology or soft soil property, and such as sand, clay, settlement by soaking are yellow
Soil, swelled ground, foundation of gravelly soil etc..Traditional prestressed cylinder-shaped basis, the bottom of crab-bolt are fixed by nut, whole crab-bolt with
Nut is all exposed in concrete, to by crab-bolt removal, it is necessary to crab-bolt is separated with nut, but crab-bolt and nut
It is fixed in concrete, turns torsion very big, it is not easy to rotate crab-bolt and nut, also resulting in crab-bolt cannot be detached with nut
Situation.
Chinese patent application is published as CN105155571A and discloses a kind of removable prestressed anchor pin device and its peace
Dress method and replacing options,, mainly including upper anchor slab, lower anchor slab, in connection, the crab-bolt of anchor slab and lower anchor slab, is enclosed within crab-bolt for which
Outer plastic bushing, the upper/lower terminal of plastic bushing are provided with the thermal shrinkable sleeve of plastic bushing upper end by thermal shrinkable sleeve collapsed seal
Nonmetallic leveling nut, is provided with top nut at the top of crab-bolt, the bottom of crab-bolt is affixed with lower anchor slab by lower nut, and in lower spiral shell
Female outside is arranged a nut box so that concrete is isolated with crab-bolt and nut.
Authorize open (bulletin) number:The utility model patent of CN201747544U discloses a kind of installation of wind-driven generator
The installation pedestal of pedestal and the wind-driven generator wind-driven generator, including：Concrete body and at least two lower margin spiral shell
Bolt, at least two foundation bolt are embedded in the concrete body；At least two lower margin spiral shell
One end of bolt be provided with connection wind-driven generator tower backing plate flange, at least two foundation bolt it is another
End is provided with anchoring flange, and the backing plate flange and anchoring flange are installed on the concrete body；The foundation bolt
On be arranged with the foundation bolt with sleeve two ends that foundation bolt is isolated with concrete body and be provided with and telescopic joint bellows.
Authorization Notice No. discloses a kind of basic prestressing force anchor slab crab-bolt for the utility model patent of 202023199 U of CN
Molectron, including upper anchor slab, lower anchor slab, the long anchor of upper anchor slab and lower anchor slab by long anchor bolts, at the upper and lower plane of upper anchor slab
Leveling nut is separately installed with bolt, lower anchor slab is provided with the leveling bolt being evenly distributed, near interior on upper anchor slab baseplane
Ring and outer shroud edge are equipped with the welding rivet being evenly distributed, and are separately installed with the long crab-bolt at the upper and lower plane of lower anchor slab
Thin nut and nut, are set with heat shrinking sleeve, crab-bolt sleeve pipe in long crab-bolt.
The utility model patent of 203947487 U of Authorization Notice No. CN discloses a kind of wind turbine tower basis and in advance should
Power crab-bolt, including two crab-bolt threaded upper ends sections, crab-bolt lower end thread segment, upper screw thread and polished rod changeover portion, lower screw thread and polished rod mistake
Section, crab-bolt light bar segment, thin heat shrinking sleeve, thick heat shrinking sleeve are crossed, it is in described thin heat shrinking sleeve suit crab-bolt light bar segment, described
Thick heat shrinking sleeve is sleeved on the bottom of crab-bolt light bar segment, and thin heat shrinking sleeve is plugged between thick heat shrinking sleeve and crab-bolt light bar segment,
Crab-bolt threaded upper ends section is located at the upper end of crab-bolt light bar segment, and crab-bolt lower end thread segment is located at the lower end of crab-bolt light bar segment, described
Upper screw thread is located at the changeover portion of crab-bolt threaded upper ends section and crab-bolt light bar segment, lower screw thread and polished rod transition section with polished rod changeover portion
In crab-bolt lower end thread segment and the changeover portion of crab-bolt light bar segment.
To sum up, referring to Fig. 9 to Figure 11, all of above mode is in order to realize that isolating between crab-bolt 4 and concrete is adopted
Mode is and a plastic bushing 42 is arranged outside crab-bolt 4, and 42 two ends of plastic bushing are sealed by thermal shrinkable sleeve 41.It is first
First, nut box is arranged with nut split, in order to realize that the circumferentially fixed of nut is needed by nut-welding on lower anchor slab, but
Weld nut or cause the Stress non-homogeneity of whole bottom flange, can also increase by one welding sequence, so as to increase cost；Secondly, it is
Meet execution conditions, plastic bushing 42 needs certain gap with crab-bolt 4, and is all filled in whole crab-bolt 4 substantially mixed
In the middle of solidifying soil, during pouring, concrete will certainly force plastic bushing 42 to deform the power that plastic bushing 42 produces extruding
So that not coaxial between crab-bolt 4 and plastic bushing 42, it is difficult to screw out the crab-bolt 4 of fracture and changed；Again, plastic bushing
42 two ends carry out collapsed seal by thermal shrinkable sleeve 41, the bore at 42 insert port of plastic bushing is become
It is little, it is shown in Figure 11, then new crab-bolt 4 is difficult to be inserted in plastic bushing 42, so as to cause replacing crab-bolt 4 inconvenient.
Utility model content
The purpose of this utility model one is to provide the prestressed cylinder-shaped basis of replaceable crab-bolt so as to reduces cost,
Change convenient advantage.
Above-mentioned technical purpose of the present utility model one technical scheme is that：A kind of replaceable crab-bolt
Prestressed cylinder-shaped basis, including the hollow concrete column formed by armored concrete, in concrete column body, be provided with internal model
Plate and exterior sheathing, grouting between inner template and exterior sheathing have a strong concrete, the bottom of concrete column and are located at inner template
Lower anchor slab is installed between exterior sheathing, the upper anchor slab corresponding with lower anchor slab is provided with the top of concrete column, concrete column
Several crab-bolts for running through upper anchor slab and lower anchor slab are embedded with inside, the upper end of crab-bolt is fixed by top nut, outside described crab-bolt
It is arranged with for isolating the rigid casing of concrete, described rigid casing two ends are sealedly connected on anchor slab and lower anchor slab
On, the lower end of the crab-bolt is through lower anchor slab and screw thread is connected with being wholely set and the isolating cap for isolating concrete, isolation
The opening of cap is tightly connected with lower anchor slab.
By adopting above-mentioned technical proposal, on the one hand the setting that rigid casing is arranged outside crab-bolt can effectively intercept coagulation
Together with soil is poured with crab-bolt, on the other hand as which has, be rigidly unlikely to deform in the casting process of whole concrete can be with
So that rigid casing keeps preferable axiality with crab-bolt, it is convenient when crab-bolt is removed and installed；In addition, rigid enclosure
The two ends of pipe be tightly connected with upper anchor slab and lower anchor slab can effectively prevent the liquid in casting process from contacting with crab-bolt and
Corrosion crab-bolt；Abandoned in prior art by the isolating cap of integrated setting and nut or nut box have been welded on lower anchor slab
The step of, but cause isolating cap circumferentially fixed by the effect that pours of concrete, it is to avoid the defect produced by welding, a side
Face improves the performance of crab-bolt, on the other hand causes that installation is more simple and convenient, cost is lower.
Preferably, rigid casing two ends are extended in anchor slab and lower anchor slab.
By adopting above-mentioned technical proposal, can effectively prevent liquid from entering in rigid casing, so as to improve crab-bolt
Anticorrosive property, extends the service life of crab-bolt, and shrinks realization set by thermal shrinkable sleeve during this mode has abandoned prior art
Seal form between pipe and crab-bolt, but extends directly to the seal form in upper anchor slab using rigid sleeve, and one can be with
Realize the sealing between rigid casing and crab-bolt；Two can compensate rigid casing and be arranged between anchor slab upper shoulder hole
Gap prevents upper anchor slab generation from moving radially with the axiality for ensureing upper anchor slab；Three to contract rigid casing upper end
Mouthful so that rigid casing upper end open can be slightly larger than the diameter of crab-bolt, therefore be sealed in the crab-bolt for more renewing in this way
When with regard to convenient crab-bolt insertion so that the replacing of crab-bolt is more convenient.
Preferably, described upper anchor slab is provided with shoulder hole, in the shoulder hole, the diameter of macropore is equal to rigid casing
External diameter, in shoulder hole, hole diameter is engaged with the diameter of crab-bolt, and described rigid casing is extended in the macropore of shoulder hole
And end is abutted with step.
Preferably, described lower anchor slab is provided with shoulder hole two, in the shoulder hole two, the diameter of macropore is equal to rigidity
The external diameter of sleeve pipe, in shoulder hole two, the diameter of aperture is engaged with the diameter of crab-bolt, and described rigid casing is located at shoulder hole
Macropore is interior and end is abutted with step.
By adopting above-mentioned technical proposal, rigid casing is extended directly to into shoulder hole, the rank of upper anchor slab and lower anchor slab
In terraced hole two and step is abutted to realize the sealing of rigid casing, due to the diameter phase of the diameter of aperture and crab-bolt in shoulder hole
Coordinate, therefore can effectively prevent anchor slab from moving radially, descend anchor slab also not move radially in the same manner, which overcomes existing
The brought defect of sealing, then the insertion for changing convenient new crab-bolt when crab-bolt are realized by thermal shrinkable sleeve in technology.
The top for stretching out anchor slab as preferred, described crab-bolt is cylindric or flat or prism-shaped, the anchor
It is circular or polygon that bolt is located at upper anchor slab with the partial cross section of lower anchor slab.
By adopting above-mentioned technical proposal, the top that crab-bolt passes upper anchor slab is arranged to flat will conveniently can rupture
The top half rotation of crab-bolt is taken out, after fracture anchor pole top half is taken out, by will be ruptured under crab-bolt using beche
Half part is taken out.
It is closure nut as preferred, described isolating cap.
It is by adopting above-mentioned technical proposal, lower directly as isolating cap cost using closure nut, it is more convenient.
It is stainless steel tube or steel pipe or plastic conduit as preferred, described rigid casing.
By adopting above-mentioned technical proposal, antiseptic property can be improved using stainless steel tube and plastic conduit.
In sum, this utility model has the advantages that：It is prestressed cylinder-shaped basis in, when need by crab-bolt from
Disassemble in basis, stainless steel sleeve pipe is set with crab-bolt whole crab-bolt and concrete are kept apart, by isolating cap and coagulation
Soil is poured together, limit isolating cap with crab-bolt rotate, make between crab-bolt and isolating cap produce rotate against so that crab-bolt with
Isolating cap is separated, and to be also improved during the sealing structure between crab-bolt and sleeve pipe has abandoned prior art in addition and can cause anchor after sealing
Bolt is difficult to the defect inserted, realize it is prestressed cylinder-shaped on the basis of crab-bolt is replaceable, callable purpose, change construction letter
Just, while saving substantial amounts of maintenance cost, improve the basic economic worth.
Description of the drawings
Fig. 1 is one structural representation of embodiment；
Fig. 2 is for embodying the signal of attachment structure between crab-bolt and upper and lower anchor slab and rigid casing in embodiment one
Figure；
Fig. 3 is A portions enlarged drawing in Fig. 2；
Fig. 4 is B portions enlarged drawing in Fig. 2；
Structural representations of the Fig. 5 for isolating cap；
It is the structural representation of embodiment two in Fig. 6；
Fig. 7 is for embodying the signal of attachment structure between crab-bolt and upper and lower anchor slab and rigid casing in embodiment three
Figure；
Fig. 8 is for embodying the signal of attachment structure between crab-bolt and upper and lower anchor slab and rigid casing in example IV
Figure；
Structural representations of the Fig. 9 for the annexation in prior art between crab-bolt, sleeve pipe and thermal shrinkable sleeve；
The state diagram of crab-bolt when Figure 10 is in prior art for embodying replacing crab-bolt;
Figure 11 is C portions enlarged drawing in Figure 10;
Figure 12 is the structural representation for embodying beche.
In figure：1st, concrete column；2nd, upper anchor slab；21st, shoulder hole；3rd, lower anchor slab；31st, shoulder hole two；4th, crab-bolt；41、
Thermal shrinkable sleeve；42nd, plastic bushing；5th, rigid casing；6th, top nut；7th, isolating cap；9th, bottom tower；10；The concrete grouting bed of material；
101st, inner template；102nd, exterior sheathing；103rd, strong concrete；11st, sheath；111st, drill bit.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment 1, a kind of shown in Figure 1, prestressed cylinder-shaped basis of replaceable crab-bolt, including by armored concrete shape
Into hollow concrete column 1, the inner side of concrete column 1 is respectively equipped with inner template 101 and exterior sheathing 102, wherein, internal model
Plate 101 and exterior sheathing 102 are ripple barrel structure, and grouting between inner template 101 and exterior sheathing 102 has strong concrete
103, the bottom of concrete column 1 and it is located between inner template 101 and exterior sheathing 102 lower anchor slab 3 is installed, concrete column 1
Top is provided with the upper anchor slab 2 corresponding with lower anchor slab 3, is embedded with several through upper anchor slab 2 and lower anchor slab in concrete column 1
3 crab-bolt 4, the upper end of crab-bolt 4 are fixed by top nut 6, and in the present embodiment, crab-bolt 4 is existing prestressed bolt, both crab-bolt 4
Upper end be conehead end, lower end is butt end, in the embodiment crab-bolt 4 be distributed as it is double.
The top of upper anchor slab 2 passes through crab-bolt 4 and top nut 6 is fixedly connected bottom tower 9, in order that crab-bolt 4 and height
Strength concrete 103 is isolated in the outside of crab-bolt 4 and is arranged a rigid casing 5, and 5 two ends of rigid casing are sealedly connected on anchor
On plate 2 and lower anchor slab 3.
The lower section of lower anchor slab 3 is located at the position of screwed hole and installs isolating cap 7, and crab-bolt 4 extends to isolating cap through lower anchor slab 3
Be threadedly coupled inside 7 and with isolating cap 7, isolating cap 7 is cast in concrete, this mode cause isolating cap 7 by with concrete
Pour effect realize it is circumferentially fixed, it is ensured that isolating cap 7 is circumferential will not to be rotated easily.
Referring to Fig. 2 and Fig. 3, rigid casing 5 is made the following instructions with being tightly connected for 4 upper end of crab-bolt, arranged on upper anchor slab 2
Shoulder hole 21, the upper end of rigid casing 5 are extended in shoulder hole.The top of rigid casing 5 is connected on the step of shoulder hole 21
To form sealing, the hole diameter of shoulder hole 21 is engaged with the diameter of crab-bolt 4, and diameter macropores are equal to the external diameter of rigid casing 5,
Wherein the depth of aperture is equal to the depth of macropore, thus can also facilitate new crab-bolt 4 on the premise of sealing effectiveness is realized
Insertion, can also be with effectively preventing moving radially for lower anchor slab 3.
Referring to Fig. 4, sealing of the rigid casing 5 with 4 lower end of crab-bolt is made the following instructions, the shoulder hole two on lower anchor slab 3
31, rigid casing 5 is extended in shoulder hole 2 31, and the diameter of rigid casing 5 is equal to the diameter of 2 31 macropore of shoulder hole, shoulder hole
The diameter of 2 31 apertures is engaged with the diameter of crab-bolt 4, wherein, the depth of aperture is equal to the depth of macropore, 5 lower end of rigid casing
It is connected to form sealing on the step of shoulder hole 2 31, thus can also facilitates new on the premise of sealing effectiveness is realized
The insertion of crab-bolt 4, can also be with effectively preventing moving radially for lower anchor slab 3.
In the embodiment, rigid casing is plastic conduit or stainless steel tube or steel pipe, when steel pipe is selected
Preservative treatment is carried out to steel pipe.
Embodiment 2, shown in Figure 6, a kind of prestressed cylinder-shaped basis of replaceable crab-bolt, the difference with embodiment 1 exist
In being distributed as crab-bolt 4 is single.
Embodiment 3, shown in Figure 7, a kind of prestressed cylinder-shaped basis of replaceable crab-bolt, the difference with embodiment 2 exist
In the part for extending upper anchor slab 2 of crab-bolt 4 is improved, and the end of the part is arranged to flat.
Embodiment 4, shown in Figure 8, a kind of prestressed cylinder-shaped basis of replaceable crab-bolt, the difference with embodiment 1 exist
In the part for extending upper anchor slab 2 of crab-bolt 4 is improved, and the top of the part is arranged to flat.
Embodiment 5, a kind of replacing construction method on the prestressed cylinder-shaped basis of replaceable crab-bolt, comprise the following steps；
A, by fracture crab-bolt 4 top take out；
B, the bottom rotation taking-up for entering the 5 interior crab-bolt 4 by fracture of rigid casing using beche；
C, insert new crab-bolt 4 from the shoulder hole 21 of upper anchor slab 2, in rotary-top crab-bolt 4 so as to which top is screwed into isolation
In cap 7, new pad and top nut 6 are installed successively at the bottom tower 9 of the top of upper anchor slab 2 then.
Shown in Figure 12, in the present embodiment, the concrete structure of beche includes sheath 11 and is arranged in sheath 11
Drill bit 111, sheath 11 is steel bushing, the diameter of the diameter of sheath lower end slightly larger than crab-bolt 4.Sheath 11 is stretched in rigid casing 5
And it is enclosed within interference fits of the outside of fracture crab-bolt 4 by sheath 11 with crab-bolt 4 to realize fixing, drill bit 111 stretches into sheath 11
The interior fracture end face with fracture crab-bolt 4 is contradicted, and drill bit 111 coordinates electric drill to be used together, and fracture is driven while drill bit 111 is pierced
The latter half of crab-bolt 4 reversely rotates, and fracture crab-bolt is exited from isolating cap 7.Due to the fracture end face out-of-flatness of crab-bolt 4, therefore
Play occurs when drill bit 111 just starts and pierces, the effect of sheath 11 can be with effective protection rigid casing 5.In addition protect
Set 11 is fixed with the shell of electric drill, to prevent sheath 11 from dropping in rigid casing 5.
Embodiment 6, a kind of replacing construction method on the prestressed cylinder-shaped basis of replaceable crab-bolt, comprise the following steps；
A, detection 4 crack conditions of crab-bolt, if being found to be 4 material of crab-bolt or other systems defect causes fracture, prepare more
Change all unbroken crab-bolt 4；
B, by other do not break crab-bolts according to diagonal principle by crab-bolt 4 of reversely back-outing after root removal prestressing force, then from upper anchor
New crab-bolt 4 is inserted at the shoulder hole 21 of plate 2, in rotary-top crab-bolt 4 so as to which end is screwed in isolating cap 7, then in upper anchor
New pad and the locking of 6 after-applied prestressing force of top nut are installed at the bottom tower 9 of the top of plate 2 successively；
C, the above-mentioned b step of repetition are until the replacing of all crab-bolts is completed.
It should be noted that, crab-bolt crack conditions are detected as prior art, wherein predominantly detect the intensity of crab-bolt 4, other
The defect of system is the defect of the upper size of design, is not repeated in this application.
This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (7)
1. a kind of prestressed cylinder-shaped basis of replaceable crab-bolt, it is characterised in that：It is hollow including what is formed by armored concrete
Concrete column（1）, concrete column（1）Inner template is provided with inside（101）With exterior sheathing（102）, inner template (101) and exterior sheathing
(102) grouting between has a strong concrete (103), the bottom of concrete column (1) and is located at inner template (101) and exterior sheathing
(102) lower anchor slab (3) is installed between, is provided with the top of concrete column (1) and lower anchor slab（3）Corresponding upper anchor slab (2), mixes
Solidifying earth pillar body（1）Several are embedded with inside through upper anchor slab（2）With the crab-bolt (4) of lower anchor slab (3), the upper end of crab-bolt (4) passes through
Top nut (6) is fixed, is arranged with for isolating the rigid casing of concrete outside described crab-bolt (4)（5）, described rigid casing
(5) two ends are sealedly connected on anchor slab (2) and lower anchor slab (3), the crab-bolt（4）Lower end pass through lower anchor slab（3）And spiral shell
Stricture of vagina is connected with being wholely set and the isolating cap for isolating concrete（7）, isolating cap（7）Opening and lower anchor slab（3）Sealing
Connection.
2. the prestressed cylinder-shaped basis of replaceable crab-bolt according to claim 1, it is characterised in that：Described rigid casing
（5）Two ends each extend over supreme anchor slab（2）And lower anchor slab（3）It is interior.
3. the prestressed cylinder-shaped basis of replaceable crab-bolt according to claim 1, it is characterised in that：Described upper anchor slab
（2）It is provided with shoulder hole（21）, the shoulder hole（21）The diameter of middle macropore is equal to rigid casing（5）External diameter, shoulder hole
（21）Middle hole diameter and crab-bolt（4）Diameter be engaged, described rigid casing（5）Extend to shoulder hole（21）Macropore in
And end is abutted with step.
4. the prestressed cylinder-shaped basis of replaceable crab-bolt according to claim 2, it is characterised in that：Described lower anchor slab
（3）It is provided with shoulder hole two（31）, the shoulder hole two（31）The diameter of middle macropore is equal to rigid casing（5）External diameter, ladder
Hole two（31）The diameter and crab-bolt of middle aperture（4）Diameter be engaged, described rigid casing（5）Positioned at shoulder hole two（31）'s
Macropore is interior and end is abutted with step.
5. the prestressed cylinder-shaped basis of replaceable crab-bolt according to claim 1, it is characterised in that：Described crab-bolt（4）
Stretch out anchor slab（2）Top for cylinder or flat or prism-shaped, the crab-bolt（4）Positioned at upper anchor slab（2）With lower anchor slab
（3）Partial cross section be circular or polygon.
6. the prestressed cylinder-shaped basis of replaceable crab-bolt according to claim 1, it is characterised in that：Described isolating cap
（7）For closure nut.
7. the prestressed cylinder-shaped basis of replaceable crab-bolt according to claim 1, it is characterised in that：Described rigid casing
（5）For stainless steel tube or steel pipe or plastic conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113783.5U CN206128108U (en) | 2016-10-11 | 2016-10-11 | Prestressing force bucket foundation of removable crab -bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113783.5U CN206128108U (en) | 2016-10-11 | 2016-10-11 | Prestressing force bucket foundation of removable crab -bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206128108U true CN206128108U (en) | 2017-04-26 |
Family
ID=58572327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113783.5U Expired - Fee Related CN206128108U (en) | 2016-10-11 | 2016-10-11 | Prestressing force bucket foundation of removable crab -bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206128108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368235A (en) * | 2016-10-11 | 2017-02-01 | 北京健安诚岩土工程有限公司 | Prestress cylindrical foundation capable of replacing anchor bolts |
-
2016
- 2016-10-11 CN CN201621113783.5U patent/CN206128108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368235A (en) * | 2016-10-11 | 2017-02-01 | 北京健安诚岩土工程有限公司 | Prestress cylindrical foundation capable of replacing anchor bolts |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20191011 |