CN206635775U - A kind of reinforced concrete inner support ecology dismounting structure - Google Patents
A kind of reinforced concrete inner support ecology dismounting structure Download PDFInfo
- Publication number
- CN206635775U CN206635775U CN201720342176.4U CN201720342176U CN206635775U CN 206635775 U CN206635775 U CN 206635775U CN 201720342176 U CN201720342176 U CN 201720342176U CN 206635775 U CN206635775 U CN 206635775U
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- China
- Prior art keywords
- inner support
- garbage collection
- quiet
- booster
- collection groove
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Abstract
It the utility model is related to a kind of reinforced concrete inner support ecology dismounting structure, including foundation pit enclosure stake and it is connected to the inner support at foundation pit enclosure stake top end, top in inner support, middle part and bottom are respectively equipped with two tops and aid in quiet booster, one main quiet booster and two bottoms aid in quiet booster, bottom is aided in quiet booster inserted with prestressing force lacing wire, the lower section of inner support is provided with the fixed mechanism of garbage collection groove and fixed garbage collection groove, garbage collection groove is provided with waste material downcast hole, waste material downcast hole is arranged right below waste recovery case, not only difficulty of construction is low and efficiency high, shorten the duration of a project, cost saves and environmental pollution is low, noise will not be produced, the pollution of sewage etc., processing can easily be collected and remove waste material, reduce subsequent construction difficulty.
Description
Technical field
The utility model belongs to building engineering field, and in particular to a kind of reinforced concrete inner support ecology dismounting structure.
Background technology
Traditional reinforced concrete inner support method for dismounting has pneumatic pick to cut two kinds of method and blasting procedure, and method is cut using pneumatic pick
Sound reaches more than 100 decibels, and noise is big.Implement demolition blasting, to shift to an earlier date to each household resident around and be sent to notice to reassure the public, or even peace
Row temporarily withdraws and closed a road to traffic, and can just implement.The noise vibration and dust formed in demolishing process necessarily causes to nearby residents
Influence.
Static mechanical patterning method：Inner support is segmented using " disc saw " or " chain saw " cut-out, the construction technology is with applying
Work noise is small, but generally requires to set up supporting row frame at reinforced concrete support beam bottom, as support bracket, construction costs compared with
Height, it is strict to construction machinery requirement.
In summary, traditional reinforced concrete inner support method for dismounting can usually produce larger noise pollution, influence
Build surrounding enviroment；Though Novel static machine cuts method can effectively reduce construction noise, auxiliary stand need to be set up under beam, applied
Work cost is higher.It is worthy of note that garbage collection intractability is big after existing reinforced concrete inner support is removed, engineering is built
If the duration can produce certain influence.In consideration of it, being actually needed based on current engineering, urgently propose a kind of can not only have at present
Effect reduces environmental pollution, and can improve site operation efficiency, can also reduce the reinforced concrete inner support of construction costs
Ecological dismounting structure.
Utility model content
The purpose of this utility model is to provide a kind of reinforced concrete inner support ecology dismounting structure, not only difficulty of construction
Low and efficiency high, the duration of a project is shortened, cost saves and environmental pollution is low, will not produce the pollution of noise, sewage etc., energy
It is convenient to collect processing dismounting waste material, reduce subsequent construction difficulty.
To realize above-mentioned technical purpose, major technique solution of the present utility model is to provide in a kind of armored concrete
Support ecological dismounting structure, including foundation pit enclosure stake and the inner support for being connected to foundation pit enclosure stake top end, top in inner support,
Middle part and bottom are respectively equipped with two tops and aid in quiet booster, a main quiet booster and two bottoms to aid in quiet booster, bottom
Aid in being provided with garbage collection groove inserted with prestressing force lacing wire, the lower section of inner support in quiet booster and fixing consolidating for garbage collection groove
Determine mechanism, garbage collection groove is provided with waste material downcast hole, and waste material downcast hole is arranged right below waste recovery case.
The inner support is reinforced concrete inner support, and the main quiet booster, top aid in quiet booster and bottom auxiliary
Quiet booster is arcuate shape convex downwards, and it is modeling that main quiet booster, top, which aid in quiet booster and the bottom quiet booster of auxiliary,
Material flexible pipe and all it is uniformly provided with quiet detonator bleeding holes, and adjacent two quiet detonator bleeding holes, one of them is another in tube top portion
Individual in bottom of the tube, so quiet detonator is exuded in inner support more uniformly, the flexible inserts of filling in quiet detonator bleeding holes,
Flexible inserts is artificial cotton-wool.
The bottom aids in the position of quiet booster identical with the position of inner support bottom steel bar stress, and bottom aids in quiet booster
Simultaneously as prestressing force lacing wire and the separation layer of inner support.
The garbage collection groove is formed by garbage collection trough floor and garbage collection groove plate-side plate welding, and its cross section is in square
Shape, garbage collection groove are shaped as arc convex downwards, and waste material downcast hole is located among garbage collection trough floor, garbage collection groove
Bottom plate is provided with anchor hole, connecting bolt and sequentially passed through with the leakage-stopping board through hole, leakage-stopping board by connecting bolt through hole
It is connected to anchor hole at waste material downcast hole, leakage-stopping board is rectangular steel plates, and leakage-stopping board can be released under waste material by loosening connecting bolt
Fall the sealing process in hole.
The fixed mechanism includes the hitch and supporting mechanism that garbage collection groove both ends are equipped with, and supporting mechanism includes
Lower support bar, lower support plate and the spacing jack being sequentially connected from down to up, hitch are included from down to up successively
Bottom bearing plate, U-shaped connecting rod and the top connecting plate of connection, two ends of U-shaped connecting rod with top connecting plate screw thread
Connection, which is formed, closes hollow hanging ring, and hanging ring is set in inner support and garbage collection groove simultaneously, the support of garbage collection groove
In on the bottom of U-shaped connecting rod, bottom bearing plate is supported on spacing jack, and the fixed mechanism includes two sets of hitches
And supporting mechanism, a set of hitch and supporting mechanism act on garbage collection groove one end, another set of hitch and support machine
Structure acts on the garbage collection groove other end, and lower support plate is welded to connect with lower support bar, and limit is placed on lower support plate
Position jack, sets bottom bearing plate, the lower support plate and bottom pressure-bearing between spacing jack and garbage collection groove
Plate is rectangular steel plates, and lower support bar is steel pipe or shaped steel.
The waste recovery bottom portion is provided with collection box base, waste recovery case include by four waste recovery case side plates and
The casing that one collection box bottom plate is formed, one of waste recovery case side plate is as stripper by being located at collection box bottom plate
Stripper rotating shaft is hinged on collection box bottom plate, and stripper top is provided with spacing bar jack, and waste recovery case side plate is provided with
Gag lever post rotating shaft and the gag lever post on waste recovery case side plate is hinged on by gag lever post rotating shaft, gag lever post end is connected with and limited
The inserting column that position bar jack coordinates, the fixation and upset of stripper can be realized by the cooperation of inserting column and spacing bar jack, so as to
It is convenient to collect and unload waste material.
Work progress is to aid in quiet booster and two bottoms to aid in quiet booster on one main quiet booster, two tops first
Open up quiet detonator bleeding holes, and the filling flexible inserts into quiet detonator bleeding holes；Two tops aid in quiet booster, one
Main quiet booster and two bottoms aid in quiet booster to be separately positioned on the upper, middle and lower in reinforced concrete inner support,
And aid in inserting prestressing force lacing wire in quiet booster to two bottoms；Reinforced concrete inner support concreting is carried out, waits to mix
After solidifying soil forms intensity, prestressing force is applied to prestressing force lacing wire, and anchored by prestressed bolt in prestressing force lacing wire end；Base
After the completion of hole is excavated, garbage collection groove is set by fixed mechanism below reinforced concrete inner support, garbage collection groove opens up
Waste material downcast hole, waste material downcast hole set the leakage-stopping board of closing waste material downcast hole, waste recovery case are set below waste material downcast hole,
The collection box base of adjustment height is set in waste recovery bottom portion, waste recovery case is provided with shedding mechanism；Armored concrete
During bracing demolition, the prestressing force that bottom aids in prestressing force lacing wire in quiet booster is first discharged, then prestressing force lacing wire is auxiliary from bottom
Help in quiet booster and take out；Quiet booster and bottom is aided in aid in one end of quiet booster simultaneously to main quiet from main quiet booster, top
Booster, top aid in quiet booster and bottom to aid in the quiet detonator of pressure injection in quiet booster, when main quiet booster, top aid in quiet booster and
Bottom stops pressure injection, quiet detonator hardening, volumetric expansion, armored concrete when aiding in the other end of quiet booster to there is quiet detonator to flow out
Inner support, which rises brokenly, to be dropped in garbage collection groove；After the dismounting waste material in garbage collection groove reaches certain amount, waste material is opened
The leakage-stopping board of downcast hole bottom, dismounting waste material is set to be freely fallen into from waste material downcast hole in waste recovery case；When waste recovery case is expired
Afterwards, dismounting waste material is moved in other transporting equipments and transports construction site by opening stripper；
The utility model beneficial effect：
(1) the quiet booster of a main fourth officer has been preset along longitudinal direction, can be achieved to reinforced concrete inner support Fast synchronization explosion,
Shorten the duration of a project；
(2) it is quiet it is quick-fried during longitudinal prestressing lacing wire is taken out, can effectively reduce reinforced concrete inner support dismounting difficulty
Degree；
(3) in reinforced concrete inner support demolishing process, by garbage collection groove and waste recovery case in time at collection
Reason removes waste material, reduces subsequent construction difficulty；
(4) engineering construction will not produce the pollution of noise, sewage etc. without heavy construction equipment in work progress.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one,
Fig. 2 is the garbage collection groove of Fig. 1 embodiments and the attachment structure schematic diagram of inner support,
Fig. 3 is structural representation of the waste recovery case with collection box base of Fig. 1 embodiments,
In figure：1. inner support；2. main quiet booster；3. top aids in quiet booster；4. bottom aids in quiet booster；5. quiet detonator
Bleeding holes；6. flexible inserts；7. prestressing force lacing wire；8. prestressed bolt；9. garbage collection groove；10. collection box bottom plate；11.U
Type connecting rod；12. top connecting plate；13. spacing jack；14. waste recovery case；15. waste material downcast hole；16. collection box bottom
Seat；17. remove waste material；18. leakage-stopping board；19. gag lever post；20. stripper；21. garbage collection trough floor；22. garbage collection groove
Side plate；23. anchor hole；24. pass through hole；25. connecting bolt；26. lower support plate；27. lower support bar；28. bottom pressure-bearing
Plate；29. waste recovery case side plate；30. stripper rotating shaft；31. spacing bar jack；32. gag lever post rotating shaft；33. foundation pit enclosure stake,
34. inserting column.
Specific embodiment
Embodiment of the present utility model is described in further detail below in conjunction with brief description of the drawings, but the present embodiment and not had to
It is every to use similar structure of the present utility model and its similar change in limitation the utility model, the utility model all should be included in
Protection domain.
Main quiet booster design and construction technical requirements, top aid in quiet booster design and construction technical requirements, bottom auxiliary
Help quiet booster design and construction technical requirements, quiet detonator construction technical requirement, concrete pouring construction technical requirements, structure welding
Construction technical requirement, the requirement of presstressed reinforcing steel anchoring construction technology etc., are repeated no more in present embodiment, and emphasis illustrates that this practicality is new
Type is related to the embodiment of structure.
Shown in 1~Fig. 3 of reference picture, a kind of reinforced concrete inner support ecology dismounting structure described in the present embodiment, including
Foundation pit enclosure stake 33 and the inner support 1 for being connected to the top of foundation pit enclosure stake 33, the upper, middle and lower difference in inner support 1
The main quiet booster 2 of quiet booster 3, one and two bottoms are aided in aid in quiet booster 4 provided with two tops, bottom aids in quiet booster 4
Inside inserted with prestressing force lacing wire 7, the lower section of inner support 1 is provided with the fixation machine of garbage collection groove 9 and fixed garbage collection groove 9
Structure, garbage collection groove 9 are provided with waste material downcast hole 15, and waste material downcast hole 15 is arranged right below waste recovery case 14.
The inner support 1 is reinforced concrete inner support, and the main quiet booster 2, top aid in quiet booster 3 and bottom auxiliary
It is arcuate shape convex downwards to help quiet booster 4, and main quiet booster 2, top aid in quiet booster 3 and bottom to aid in quiet booster 4
It is plastic flexible pipe and is all uniformly provided with quiet detonator bleeding holes 5, and adjacent two quiet detonator bleeding holes 5, one of them is in pipe
Top, in bottom of the tube, so quiet detonator is exuded in inner support 1 more uniformly, is filled with quiet detonator bleeding holes 5 for another
Flexible inserts 6, flexible inserts 6 are artificial cotton-wool.
The bottom aids in the position of quiet booster 4 identical with the position of the bottom steel bar stress of inner support 1, and bottom auxiliary is quiet quick-fried
For pipe 4 simultaneously as prestressing force lacing wire 7 and the separation layer of inner support 1, the both ends of prestressing force lacing wire 7 are equipped with prestressed bolt 8.
The garbage collection groove 9 is welded by garbage collection trough floor 21 and garbage collection groove side plate 22, its cross section
Rectangular, garbage collection groove 9 is shaped as arc convex downwards, and waste material downcast hole 15 is located among garbage collection trough floor 21,
Garbage collection trough floor 21 is provided with anchor hole 23, connecting bolt 25 and passed through with the leakage-stopping board 18 through hole 24, leakage-stopping board 18
Connecting bolt 25 sequentially passes through to be connected at waste material downcast hole 15 through hole 24 and anchor hole 23, and leakage-stopping board 18 is rectangular steel plates,
Sealing process of the leakage-stopping board 18 to waste material downcast hole 15 can be released by loosening connecting bolt 25.
The fixed mechanism includes the hitch and supporting mechanism that the both ends of garbage collection groove 9 are equipped with, supporting mechanism bag
The lower support bar 27 being sequentially connected from down to up, lower support plate 26 and spacing jack 13 are included, hitch is included under
It is equal to bottom bearing plate 28, U-shaped connecting rod 11 and the top connecting plate 12 being above sequentially connected, two ends of U-shaped connecting rod 11
It is threadedly coupled to be formed with top connecting plate 12 and closes hollow hanging ring, hanging ring is set in inner support 1 and garbage collection simultaneously
On groove 9, garbage collection groove 9 is supported on the inwall bottom of U-shaped connecting rod 11, and bottom bearing plate 28 is supported in spacing jack 13
On, the fixed mechanism includes two sets of hitches and supporting mechanism, and a set of hitch and supporting mechanism act on waste material receipts
Collect the one end of groove 9, another set of hitch and supporting mechanism act on the other end of garbage collection groove 9, lower support plate 26 and bottom
Support bar 27 is welded to connect, and spacing jack 13 is placed on lower support plate 26, in spacing jack 13 and garbage collection groove 9
Between bottom bearing plate 28 is set, the lower support plate 26 and bottom bearing plate 28 are rectangular steel plates, lower support bar 27
For steel pipe or shaped steel.
The bottom of waste recovery case 14 is provided with collection box base 16, and waste recovery case 14 is included by four waste recovery casees
The casing that side plate 29 and a collection box bottom plate 10 are formed, one of waste recovery case side plate 29 is as stripper 20 by setting
It is hinged in the stripper rotating shaft 30 of collection box bottom plate 10 on collection box bottom plate 10, the top of stripper 20 is provided with spacing bar jack
31, waste recovery case side plate 29 is provided with gag lever post rotating shaft 32 and is hinged on waste recovery case side plate 29 by gag lever post rotating shaft 32
On gag lever post 19, the end of gag lever post 19 be connected with spacing bar jack 31 coordinate inserting column 34, pass through inserting column 34 and gag lever post
The cooperation of jack 31 can realize the fixation and upset of stripper 20, and waste material is collected and unload so as to convenient.
The utility model has preset the quiet booster of a main fourth officer along longitudinal direction, can be achieved quickly same to reinforced concrete inner support
Explosion is walked, shortens the duration of a project；It is quiet it is quick-fried during longitudinal prestressing lacing wire is taken out, can effectively reduce in armored concrete and prop up
Support the difficulty removed；In reinforced concrete inner support demolishing process, collected in time by garbage collection groove and waste recovery case
Waste material is removed in processing, reduces subsequent construction difficulty；Engineering construction will not be produced in work progress and made an uproar without heavy construction equipment
The pollution of sound, sewage etc..
The 1 long 6m of inner support, sectional dimension are 300mm × 600mm, concrete strength C35, in armored concrete
Support bottom that two prestressing force lacing wires 7 are set；Prestressing force lacing wire 7 is using long 7m, a diameter of 32mm spiral.Prestressed anchor
The size of bolt 8 is corresponding with prestressing force lacing wire 7, is made up of anchorage and intermediate plate.
The main quiet booster 2, top aid in quiet booster 3 and bottom to aid in quiet booster 4 to use PVC plastic pipe, wherein
Main quiet 2 a diameter of 50mm of booster, top aid in a diameter of 30mm of quiet booster 3 and bottom to aid in a diameter of of quiet booster 4
30mm；Main quiet booster 2, top aid in quiet booster 3 and the bottom quiet booster 4 of auxiliary to be respectively provided with and be in arc convex downwards, amount of deflection
1%, aid in quiet booster 3 and bottom to aid in the length direction of quiet booster 4 quiet quick-fried in quincunx laying along main quiet booster 2, top
Agent bleeding holes 5, laying spacing are 0.5m, and the length of quiet detonator bleeding holes 5 is 30mm.Filling flexible is filled out in quiet detonator bleeding holes 5
Charge 6, flexible inserts 6 use artificial batting of materials.
The garbage collection groove 9 uses thick 5mm, strength grade to be made up of Q235 steel plate, and its length is 5000mm, sets
In arc convex downwards, amount of deflection 10%；21 wide 400mm of garbage collection trough floor, 22 a height of 200mm of garbage collection groove side plate；
In the middle part of garbage collection trough floor 21, waste material downcast hole 15 and anchor hole 23 are set.The size of waste material downcast hole 15 is
200mm × 400mm, it is threaded in anchor hole 23, the coarse groove bolt connection with diameter 20mm.
The spacing jack 13 uses QL type screw jack, 32 tons of lifting capacity.The thick 5mm of the use of bottom bearing plate 28,
It is the square of 300mm × 300mm that size, which is made, in the steel plate that strength grade is Q235.Lower support plate 26 is using thick 10mm, intensity
It is the square of 500mm × 500mm that size, which is made, in the steel plate that grade is Q235.In four bottoms of lower weld of lower support plate 26
Support bar 27, lower support bar 27 use a diameter of 100mm steel pipe.
The U-shaped connecting rod 11 is made of diameter 20mm reinforcing bar, its a height of 700mm, clear span 400mm, in U-shaped connection
The top of bar 11 is threaded.Top connecting plate 12 use long 500mm, wide 150mm, thick 10mm, strength grade for Q235 steel
Plate.
The waste recovery case 14 is using thick 10mm, strength grade Q235 steel plate is prefabricated forms, waste recovery case side plate
29 high 500mm, long 1000mm, gag lever post rotating shaft use diameter 10mm loose-leaf rotating shaft；Gag lever post 19 using thick 5mm, wide 20mm,
Strength grade is made up of Q235 steel plate；Spacing 31 wide 8mm of bar jack, long 30mm, positioned at the top of stripper 20；Stripper 20
Formed using thick 20mm, strength grade Q235 steel plate are prefabricated, its a height of 500mm, a length of 500mm.Stripper rotating shaft 30 uses
Diameter 20mm loose-leaf rotating shaft.
The leakage-stopping board 18 is the rectangular steel plates that size is 300mm × 600mm, is 30mm through hole 24, connecting bolt 25
For a diameter of 20mm coarse-pitch thread bolt, collection box base 16 uses strength grade to be welded for Q235 shaped steel, its height
For 1000mm, the broken concrete that waste material 17 is inner support 1 is removed, foundation pit enclosure stake 33 is diameter 900mm cement mixing pile,
The a length of 7000mm of stake.
Claims (6)
1. a kind of reinforced concrete inner support ecology dismounting structure, including foundation pit enclosure stake (33) and it is connected to foundation pit enclosure stake
(33) inner support (1) on top, it is characterised in that it is auxiliary that the upper, middle and lower in inner support (1) is respectively equipped with two tops
Quiet booster (3), a main quiet booster (2) and two bottoms are helped to aid in quiet booster (4), bottom aids in inserting in quiet booster (4)
Enter to have prestressing force lacing wire (7), the lower section of inner support (1) is provided with garbage collection groove (9) and the fixation machine of fixed garbage collection groove (9)
Structure, garbage collection groove (9) are provided with waste material downcast hole (15), and waste material downcast hole (15) is arranged right below waste recovery case (14).
2. reinforced concrete inner support ecology dismounting structure according to claim 1, it is characterised in that the inner support (1)
For reinforced concrete inner support, the main quiet booster (2), the quiet booster (3) of top auxiliary and the bottom quiet booster (4) of auxiliary are
Convex arcuate shape downwards, and it is plastics that main quiet booster (2), top, which aid in quiet booster (3) and the bottom quiet booster (4) of auxiliary,
Flexible pipe and quiet detonator bleeding holes (5) is all uniformly provided with, and adjacent two quiet detonator bleeding holes (5), one of them is at top, separately
One in bottom.
3. reinforced concrete inner support ecology dismounting structure according to claim 1, it is characterised in that the bottom auxiliary
For quiet booster (4) as prestressing force lacing wire (7) and the separation layer of inner support (1), prestressing force lacing wire (7) both ends are equipped with prestressed anchor
Bolt (8).
4. reinforced concrete inner support ecology dismounting structure according to claim 1, it is characterised in that the garbage collection
Groove (9) is welded by garbage collection trough floor (21) and garbage collection groove side plate (22), and its cross section is rectangular, garbage collection
Groove (9) is shaped as arc convex downwards, and waste material downcast hole (15) is located among garbage collection trough floor (21), garbage collection groove
Bottom plate (21) is provided with anchor hole (23), connecting bolt (25) and led to the leakage-stopping board (18) through hole (24), leakage-stopping board (18)
Cross connecting bolt (25) and sequentially pass through through hole (24) and anchor hole (23) and be connected to waste material downcast hole (15) place, leakage-stopping board (18)
For rectangular steel plates.
5. reinforced concrete inner support ecology dismounting structure according to claim 1, it is characterised in that the fixed mechanism
The hitch and supporting mechanism being equipped with including garbage collection groove (9) both ends, supporting mechanism include being sequentially connected from down to up
Lower support bar (27), lower support plate (26) and spacing jack (13), hitch include be sequentially connected from down to up
Bottom bearing plate (28), U-shaped connecting rod (11) and top connecting plate (12), two ends of U-shaped connecting rod (11) with it is upper
Portion's connecting plate (12) threaded connection, which is formed, closes hollow hanging ring, and hanging ring is set in inner support (1) and garbage collection simultaneously
On groove (9), garbage collection groove (9) is supported on the inwall bottom of U-shaped connecting rod (11), and bottom bearing plate (28) is supported in spacing
On jack (13).
6. reinforced concrete inner support ecology dismounting structure according to claim 1, it is characterised in that the waste recovery
Case (14) bottom is provided with collection box base (16), and waste recovery case (14) is included by four waste recovery case side plates (29) and one
The casing that collection box bottom plate (10) is formed, one of waste recovery case side plate (29) is as stripper (20) by being located at recovery
The stripper rotating shaft (30) of bottom plate (10) is hinged on collection box bottom plate (10), and stripper (20) top is provided with gag lever post and inserted
Hole (31), waste recovery case side plate (29) are provided with gag lever post rotating shaft (32) and are hinged on waste material by gag lever post rotating shaft (32) and return
The gag lever post (19) on case side plate (29) is received, gag lever post (19) end is connected with the inserting column coordinated with spacing bar jack (31)
(34)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342176.4U CN206635775U (en) | 2017-04-01 | 2017-04-01 | A kind of reinforced concrete inner support ecology dismounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342176.4U CN206635775U (en) | 2017-04-01 | 2017-04-01 | A kind of reinforced concrete inner support ecology dismounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206635775U true CN206635775U (en) | 2017-11-14 |
Family
ID=60262639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720342176.4U Expired - Fee Related CN206635775U (en) | 2017-04-01 | 2017-04-01 | A kind of reinforced concrete inner support ecology dismounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206635775U (en) |
-
2017
- 2017-04-01 CN CN201720342176.4U patent/CN206635775U/en not_active Expired - Fee Related
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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: 20171114 |