CN209799317U - Can have enough to meet need use pre-buried ring of scaffold frame of encorbelmenting - Google Patents
Can have enough to meet need use pre-buried ring of scaffold frame of encorbelmenting Download PDFInfo
- Publication number
- CN209799317U CN209799317U CN201920570938.5U CN201920570938U CN209799317U CN 209799317 U CN209799317 U CN 209799317U CN 201920570938 U CN201920570938 U CN 201920570938U CN 209799317 U CN209799317 U CN 209799317U
- Authority
- CN
- China
- Prior art keywords
- plate
- nut
- steel bar
- diaphragm
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
the utility model discloses a revolving overhanging scaffold pre-buried ring, which structurally comprises a cover plate, an I-shaped steel beam, a transverse bolt, a rotating nut, a pressing plate, a bottom plate, a floor slab, a plastic sleeve, a steel bar column, a transverse plate, a fastening nut and a gasket, the utility model has the advantages of convenient manufacture, repeated use, great material saving, construction progress acceleration, meanwhile, the eight steel bar columns are arranged, so that the safety and the firmness of the embedded ring are improved, the safety of building construction caused by the fracture of a single steel bar column is avoided, the utility model is provided with a pressure plate structure, thereby avoiding the installation of the wooden wedge, greatly improving the progress of the project, the disassembly can be conveniently realized only by screwing the rotating nut, the time and labor waste caused by the disassembly of the wooden wedge is avoided, when the utility model is repeatedly used, the wood wedge does not need to be manufactured repeatedly, so that the project progress is accelerated, and unnecessary waste of time and resources is avoided.
Description
Technical Field
the utility model belongs to the technical field of the fixation of overhanging scaffolds; in particular to a pre-buried ring of a cantilever scaffold which can be used in a circulating way.
Background
The traditional overhanging scaffold embedded ring is directly embedded in concrete, an I-beam is hooped on a structural floor slab by the embedded ring, the I-beam and the structural floor slab and the I-beam and the embedded ring are respectively wedged by wood wedges, wherein one end of the embedded ring deeply embedded in the structural floor slab is bent into a hook shape in the structural floor slab so as to ensure the stability of the embedded ring. The structure of the embedded ring is complex to process and difficult to install, and the embedded ring is cut off after the cantilever is finished, so that materials are wasted.
also there are some detachable scaffold embedded rings of encorbelmenting on the market, but this embedded ring often adopts two reinforcing bars posts to fix, this makes it need install a plurality of embedded rings in order to prevent the construction accident that the reinforcing bar post fracture arouses for construction safety when using as embedded ring, this very big extravagant dismouting time consumes the cost simultaneously, and, detachable scaffold embedded ring of encorbelmenting on the market often all need use the woodwedge to fix the I-steel roof beam, when dismantling, need extravagant very big time to carve the dismantlement to the woodwedge, and simultaneously, this woodwedge is dismantling the back, often all can damage, need to make again when making next time reuse embedded ring, very big extravagant engineering time and construction material, thereby influence the engineering progress, cause the cost to increase.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can have enough to meet need and use pre-buried ring of scaffold frame of encorbelmenting.
The purpose of the utility model can be realized by the following technical scheme:
a reusable overhanging scaffold pre-buried ring comprises a cover plate, an I-shaped steel beam, a transverse bolt, a rotary nut, a pressing plate, a bottom plate, a floor slab, a plastic sleeve, a reinforcing steel column, a transverse plate, a fastening nut and a gasket, wherein the bottom plate is arranged on the lower end face of the floor slab, the reinforcing steel column is arranged on the upper end face of the bottom plate, penetrates through the floor slab and extends onto the upper end face of the floor slab, the plastic sleeve is arranged at the contact part of the reinforcing steel column and the floor slab, the cover plate is connected to the upper end of the reinforcing steel column, the penetrating cover plate extends onto the upper end face of the cover plate, the gasket is arranged on the upper end face of the cover plate, the gasket is sleeved on the reinforcing steel column, the fastening nut is arranged on the upper end of the gasket, the fastening nut is sleeved on the reinforcing steel column, the transverse plate is arranged between the cover plate and the floor slab and sleeved on the, the rotary nut is rotatably connected with the transverse plate, one end of the transverse bolt is arranged in the rotary nut, the other end of the transverse bolt is connected with the pressing plate, the I-shaped steel beam is arranged between the cover plate and the floor slab, and the side face of the I-shaped steel beam is connected with the pressing plate.
The clamp plate is equipped with two, and symmetrical arrangement is in I-shaped steel roof beam both sides respectively, a clamp plate terminal surface and I-shaped steel roof beam contact, three transverse bolt has evenly been arranged to another terminal surface.
Eight reinforcing steel bar columns are fixedly welded on the upper end face of the bottom plate and are symmetrically distributed on two side edges of the upper end face of the bottom plate in two rows.
Eight through holes are formed in the end face of the bottom plate, and the bottom plate is welded with the steel bar column in a plug hole welding mode.
the upper end of the steel bar column is tapped with a thread section, and the thread at the upper end of the steel bar column is matched with the fastening nut.
The rotary nut comprises a nut, a connecting pipe and a limiting ring, the nut is connected with the limiting ring through the connecting pipe, the connecting pipe is embedded in the transverse plate, the nut is arranged on one side of the transverse plate, and the limiting ring is arranged on the other side of one side of the transverse plate;
The transverse bolt is arranged in the connecting pipe and matched with the nut.
The length of the plastic sleeve is greater than the thickness of the floor slab;
The plastic sleeve is made of PVC.
The improved structure of the steel bar reinforced plastic plate is characterized in that the number of the transverse plates is two, through holes corresponding to four steel bar columns on one side of the bottom plate are formed in the upper end face and the lower end face of each transverse plate, the transverse plates are respectively sleeved on the steel bar columns on the two sides of the bottom plate, three through holes are formed in the left side face and the right side face of each transverse plate, the three through holes and the four through holes in the transverse plates are arranged in a staggered mode, and connecting pipes are arranged in.
eight preformed holes are arranged on the cover plate according to the steel bar column, and the cover plate is tightly pressed on the upper end face of the I-shaped steel beam through fastening nuts and threads at the upper end of the steel bar column.
further, the utility model discloses a working procedure and principle:
installation:
1) Arranging a bottom plate on the template surface of the floor along the axial direction of the I-shaped steel beam, enabling the steel bar column 9 on the bottom plate to face upwards, and sleeving the plastic sleeve on the steel bar column;
2) Laying floor slab reinforcing steel bars, and pouring to finish the structural floor slab;
3) one end of a transverse bolt is connected with the pressing plate, and the other end of the transverse bolt is arranged in a rotating nut of the transverse plate;
4) Installing the transverse plates on the reinforced columns in a manner that the pressing plates face the reinforced columns and are symmetrical with each other;
5) placing the I-shaped steel beam on the floor surface of the pressing plate and between the two pressing plates;
6) aligning a preformed hole on the cover plate with a steel bar column and covering the upper end of the I-shaped steel beam;
7) The cover plate is firmly and fixedly fastened on the upper end surface of the I-shaped steel beam through the fastening nut and the gasket;
8) and screwing the rotating nuts on the two sides to enable the pressing plate to move inwards, and firmly fixing the I-shaped steel beam from the side surface to finish the fixation of the cantilever scaffold.
disassembling:
1) Screwing the rotary nuts on the two sides to enable the pressing plate to move outwards and enable the pressing plate to be separated from the I-shaped steel beam;
2) screwing the fastening nut to enable the cover plate to loosen the upper end face of the I-shaped steel beam;
3) Dismantling the I-shaped steel beam, and dismantling the cover plate from the reinforced column;
4) detaching the bottom plate from the floor slab;
5) and (4) trimming the plastic sleeve to be parallel to the floor surface, sealing the reinforcing steel bar columns on the floor, and completing the disassembly and the repair after the disassembly.
The utility model has the advantages that: the utility model discloses unscrew the nut after the completion of encorbelmenting, after taking off the apron, extract the structure floor downwards together with the reinforcing bar post with the bottom plate, the utility model discloses the preparation is convenient, can use repeatedly, has practiced thrift the material greatly for the construction progress, simultaneously, the utility model discloses be equipped with eight reinforcing bar posts, it has very big security and fastness, has avoided single reinforcing bar post fracture and has leaded to the security of construction, the utility model discloses be equipped with clamp plate structure to avoid installing the wood and carve, improve the engineering progress greatly, demolish and to need twist swivel nut and can conveniently dismantle, avoid dismantling the wood and carve and cause time and artificial waste, the utility model discloses when recycling, need not to make repeatedly the wood and carve and accelerate the engineering progress, avoid the waste of unnecessary resource and time, thereby practice thrift engineering cost.
drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
fig. 1 is a front half-sectional view of a pre-buried ring of a revolving overhanging scaffold of the utility model;
Fig. 2 is a top half sectional view of the pre-buried ring of the overhanging scaffold capable of being used in a turnover way;
Fig. 3 is the utility model relates to a can have enough to meet need use revolving nut's of overhanging scaffold pre-buried ring structural schematic.
Detailed Description
Referring to fig. 1-3, a revolving overhanging scaffold pre-embedded ring comprises a cover plate 1, an i-beam 2, a transverse bolt 3, a rotating nut 4, a pressing plate 5, a bottom plate 6, a floor 7, a plastic sleeve 8, a steel bar column 9, a transverse plate 10, a fastening nut 11 and a gasket 12, wherein the bottom plate 6 is arranged on the lower end surface of the floor 7, the steel bar column 9 is arranged on the upper end surface of the bottom plate 6, the steel bar column 9 penetrates through the floor 7 and extends on the upper end surface of the floor 7, the plastic sleeve 8 is arranged at the contact part of the steel bar column 9 and the floor 7, the cover plate 1 is connected with the upper end of the steel bar column 9 and penetrates through the cover plate 1 and extends on the upper end surface of the cover plate 1, the gasket 12 is arranged on the steel bar column 9, the fastening nut 11 is arranged on the steel bar column 9, the transverse plate 10 is arranged between the cover plate 1 and the floor 7 and is, the other end of the rotating nut 4 penetrates through the transverse plate 10 and is embedded into the transverse plate 10, the rotating nut 4 is rotatably connected with the transverse plate 10, one end of the transverse bolt 3 is arranged in the rotating nut 4, the other end of the transverse bolt is connected with the pressing plate 5, the I-shaped steel beam 2 is arranged between the cover plate 1 and the floor slab 7, and the side face of the I-shaped steel beam 2 is connected with the pressing plate 5.
The pressing plates 5 are arranged on two sides of the I-shaped steel beam 2 and are symmetrically arranged respectively, one end face of each pressing plate 5 is in contact with the I-shaped steel beam 2, and three transverse bolts 3 are evenly arranged on the other end face of each pressing plate.
eight reinforcing steel bars 9 are fixedly welded on the upper end face of the bottom plate 6, and the eight reinforcing steel bars 9 are symmetrically distributed on two side edges of the upper end face of the bottom plate 6 in two rows.
eight through holes are formed in the end face of the bottom plate 6, and the bottom plate 6 is welded with the steel bar column 9 in a plug hole welding mode.
The upper end of the steel bar column 9 is tapped with a thread section, and the upper end thread of the steel bar column 9 is matched with the fastening nut 11.
As shown in fig. 3, the rotating nut 4 includes a nut 41, a connecting pipe 42, and a limiting ring 43, the nut 41 is connected to the limiting ring 43 through the connecting pipe 42, the connecting pipe 42 is embedded in the horizontal plate 10, the nut 41 is disposed on one side of the horizontal plate 10, and the limiting ring 43 is disposed on the other side of the horizontal plate 10.
the transverse bolt 3 is arranged in the connecting pipe 42, and the transverse bolt 3 is matched with the nut 41.
The length of the plastic sheath 8 is greater than the thickness of the floor slab 7.
The plastic sleeve 8 is made of PVC.
The number of the transverse plates 10 is two, through holes corresponding to the four reinforcing steel bar columns 9 on one side of the bottom plate 6 are formed in the upper end face and the lower end face of each transverse plate 10, the transverse plates 10 are respectively sleeved on the reinforcing steel bar columns 9 on the two sides of the bottom plate 6, three through holes are formed in the left side face and the right side face of each transverse plate 10, the three through holes in the left side face and the right side face of each transverse plate 10 and the four through holes in the upper side face and the lower side face of.
eight preformed holes are arranged on the cover plate 1 according to the steel bar column 9, and the cover plate 1 is tightly pressed on the upper end face of the I-shaped steel beam 2 through fastening nuts 11 and upper end threads of the steel bar column 9.
The utility model discloses a working procedure and principle:
Installation:
1) arranging a bottom plate 6 on the template surface of the floor along the axial direction of the I-shaped steel beam 2, enabling a steel bar column 9 on the bottom plate 6 to face upwards, and sleeving a plastic sleeve 8 on the steel bar column 9;
2) Laying 7 steel bars of the floor slab, and pouring to finish the structural floor slab;
3) One end of a transverse bolt 3 is connected with a pressing plate 5, and the other end of the transverse bolt is arranged in a rotating nut 4 of a transverse plate 10;
4) installing the transverse plates 10 on the reinforced columns 9 in a manner that the pressure plates 5 face the reinforced columns 9 and are symmetrical with each other;
5) Placing the I-shaped steel beam 2 on the surface of a floor slab 7 on the pressing plates 5 and between the two pressing plates 5;
6) Aligning a preformed hole on the cover plate 1 with the reinforced column 9 and covering the upper end of the I-shaped steel beam 2;
7) The cover plate 1 is firmly fastened on the upper end surface of the I-shaped steel beam 2 through a fastening nut 11 and a gasket 12;
8) And screwing the rotating nuts 4 on the two sides to enable the pressing plate 5 to move inwards, and firmly fixing the I-shaped steel beam 2 from the side surface to finish the fixation of the cantilever scaffold.
disassembling:
1) screwing the rotary nuts 4 on the two sides to enable the pressing plate 5 to move outwards, so that the pressing plate 5 is separated from the I-shaped steel beam 2;
2) Screwing the fastening nut 11 to enable the cover plate 1 to loosen the upper end face of the I-shaped steel beam 2;
3) Dismantling the I-shaped steel beam 2, and dismantling the cover plate 1 from the steel bar column 9;
4) the bottom plate 6 is detached from the floor slab 7;
5) And (4) trimming the plastic sleeve 8 to be parallel to the surface of the floor slab 7, sealing the reinforcing steel bar columns 9 on the floor slab 7, and completing the disassembly and the repair after the disassembly.
the foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (9)
1. The pre-buried ring of the overhanging scaffold capable of being used in a circulating manner comprises a cover plate (1), an I-shaped steel beam (2), a transverse bolt (3), a rotating nut (4), a pressing plate (5), a bottom plate (6), a floor (7), a plastic sleeve (8), a steel bar column (9), a transverse plate (10), a fastening nut (11) and a gasket (12), and is characterized in that the bottom plate (6) is arranged on the lower end face of the floor (7), the steel bar column (9) is arranged on the upper end face of the bottom plate (6), the steel bar column (9) penetrates through the floor (7) and extends onto the upper end face of the floor (7), the plastic sleeve (8) is arranged at the contact part of the steel bar column (9) and the floor (7), the cover plate (1) is connected to the upper end of the steel bar column (9), the cover plate (1) extends onto the upper end face of the cover plate (1), and the gasket (12), and gasket (12) cover on reinforcing bar post (9), gasket (12) upper end is equipped with set up nut (11), set up nut (11) cover on reinforcing bar post (9), between apron (1) and floor (7) is located to diaphragm (10), and overlaps on reinforcing bar post (9), swivel nut (4) one end is located on diaphragm (10) lateral surface, swivel nut (4) other end pierces through diaphragm (10) and is embedded in diaphragm (10), swivel nut (4) rotate with diaphragm (10) and are connected, in swivel nut (4) was located to horizontal bolt (3) one end, the other end was connected with clamp plate (5), between apron (1) and floor (7) was located to I-shaped steel roof beam (2), I-shaped steel roof beam (2) side is connected with clamp plate (5).
2. The pre-buried ring of scaffold frame of encorbelmenting of can having enough to meet need use of claim 1, characterized in that, clamp plate (5) are equipped with two, respectively the symmetrical arrangement in I-steel roof beam (2) both sides, clamp plate (5) one terminal surface and I-steel roof beam (2) contact, three transverse bolt (3) have evenly been arranged to another terminal surface.
3. The pre-buried ring of overhanging scaffold that can have enough to meet need use of claim 1, characterized in that, eight reinforcing bars (9) are fixed welding on bottom plate (6) up end, eight reinforcing bars (9) divide two row symmetric distribution in bottom plate (6) up end both sides limit position.
4. the pre-buried ring of the overhanging scaffold capable of being used circularly as claimed in claim 2, wherein eight through holes are arranged on the end face of the bottom plate (6), and the bottom plate (6) and the steel bar column (9) are welded in a plug hole welding mode.
5. the reusable overhanging scaffold embedded ring as claimed in claim 1, wherein the upper end of the reinforced column (9) is threaded, and the upper end of the reinforced column (9) is threaded with a fastening nut (11).
6. the pre-buried ring of the overhanging scaffold capable of being used circularly as claimed in claim 1, wherein the rotating nut (4) comprises a nut (41), a connecting pipe (42) and a limiting ring (43), the nut (41) is connected with the limiting ring (43) through the connecting pipe (42), the connecting pipe (42) is embedded in the transverse plate (10), the nut (41) is arranged on one side of the transverse plate (10), and the limiting ring (43) is arranged on the other side of the transverse plate (10);
The transverse bolt (3) is arranged in the connecting pipe (42), and the transverse bolt (3) is matched with the nut (41).
7. A reusable overhanging scaffold pre-buried ring according to claim 1, characterized in that the length of the plastic sheath (8) is greater than the thickness of the floor (7);
the plastic sleeve (8) is made of PVC.
8. The pre-buried ring of overhanging scaffold that can have enough to meet need use of claim 1, characterized in that, diaphragm (10) is equipped with two, the up and down terminal surface of diaphragm (10) is equipped with the through-hole corresponding with four reinforcing bars post (9) on one side of bottom plate (6), diaphragm (10) overlaps respectively on reinforcing bars post (9) on bottom plate (6) both sides, be equipped with three through-hole on the diaphragm (10) left and right sides face, the three through-hole of diaphragm (10) left and right sides face and four through-holes staggered arrangement about diaphragm (10), be equipped with connecting pipe (42) in the three through-hole of diaphragm (10) left and right sides face.
9. the pre-buried ring of the overhanging scaffold capable of being used circularly as claimed in claim 1, wherein eight prepared holes are arranged on the cover plate (1) according to the steel bar columns (9), and the cover plate (1) is tightly pressed on the upper end face of the I-shaped steel beam (2) through the fastening nuts (11) and the upper threads of the steel bar columns (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920570938.5U CN209799317U (en) | 2019-04-25 | 2019-04-25 | Can have enough to meet need use pre-buried ring of scaffold frame of encorbelmenting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920570938.5U CN209799317U (en) | 2019-04-25 | 2019-04-25 | Can have enough to meet need use pre-buried ring of scaffold frame of encorbelmenting |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209799317U true CN209799317U (en) | 2019-12-17 |
Family
ID=68830924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920570938.5U Expired - Fee Related CN209799317U (en) | 2019-04-25 | 2019-04-25 | Can have enough to meet need use pre-buried ring of scaffold frame of encorbelmenting |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209799317U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691657A (en) * | 2020-06-29 | 2020-09-22 | 中能建西北城市建设有限公司 | Anchoring bolt structure of cantilever scaffold and mounting method |
CN112727059A (en) * | 2020-12-30 | 2021-04-30 | 中国建筑第八工程局有限公司 | Laminated floor overhanging I-shaped steel fixing structure and construction method thereof |
CN113969624A (en) * | 2020-07-24 | 2022-01-25 | 中航天建设工程集团有限公司 | A combined device of omega-shaped part and trapezoidal part using cantilevered I-beam embedded ring to prevent rollover |
CN113969663A (en) * | 2020-07-24 | 2022-01-25 | 中航天建设工程集团有限公司 | Anti-rollover omega-shaped part device utilizing single pre-embedded ring of overhanging I-shaped steel |
CN114961227A (en) * | 2022-06-07 | 2022-08-30 | 中建八局第一建设有限公司 | Turnover type cantilever I-steel embedding device and implementation mode thereof |
-
2019
- 2019-04-25 CN CN201920570938.5U patent/CN209799317U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691657A (en) * | 2020-06-29 | 2020-09-22 | 中能建西北城市建设有限公司 | Anchoring bolt structure of cantilever scaffold and mounting method |
CN113969624A (en) * | 2020-07-24 | 2022-01-25 | 中航天建设工程集团有限公司 | A combined device of omega-shaped part and trapezoidal part using cantilevered I-beam embedded ring to prevent rollover |
CN113969663A (en) * | 2020-07-24 | 2022-01-25 | 中航天建设工程集团有限公司 | Anti-rollover omega-shaped part device utilizing single pre-embedded ring of overhanging I-shaped steel |
CN112727059A (en) * | 2020-12-30 | 2021-04-30 | 中国建筑第八工程局有限公司 | Laminated floor overhanging I-shaped steel fixing structure and construction method thereof |
CN114961227A (en) * | 2022-06-07 | 2022-08-30 | 中建八局第一建设有限公司 | Turnover type cantilever I-steel embedding device and implementation mode thereof |
CN114961227B (en) * | 2022-06-07 | 2023-07-11 | 中建八局第一建设有限公司 | Turnover cantilever I-steel pre-embedding device and implementation mode thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209799317U (en) | Can have enough to meet need use pre-buried ring of scaffold frame of encorbelmenting | |
CN104631706B (en) | One kind exempts from form removal concrete column and its construction method | |
CN106638588B (en) | Steel pipe pile cap bottom hanging device and installation method thereof | |
CN104695703A (en) | Non-drilled shear wall construction template system and shear wall construction method | |
CN203904970U (en) | Reinforced prestress concrete waveform sheet pile | |
CN110821159A (en) | Steel-structure large-span adjustable floor support plate supporting structure and construction method thereof | |
CN207110468U (en) | A kind of shear wall joint part template reinforcing device | |
CN214833470U (en) | Connecting structure of concrete filled steel tubular column and raft foundation | |
CN207048312U (en) | Tool-type post formwork for Large area reinforced concrete post | |
CN202209046U (en) | Wall connecting rod for external scaffold | |
CN209874197U (en) | Detachable formwork assembled steel bar truss floor support plate with high span and strong span | |
CN112681727A (en) | Template structure of special-shaped column in limited space and construction method thereof | |
CN206418817U (en) | A kind of assembled arch steel machining shed | |
CN109386129A (en) | The reinforcement means of large-diameter concrete column-form | |
CN208309620U (en) | A kind of upper anchor slab tooling of bolt assembly | |
CN214834763U (en) | Concrete cylindrical formwork | |
CN102514088B (en) | Novel concrete formwork | |
CN214402669U (en) | Repeatedly usable's I-steel's of encorbelmenting joint fixed establishment | |
CN214834809U (en) | Template drilling-free clamp | |
CN211849566U (en) | Roughing mill body reserved bolt hole support-free template | |
CN212562430U (en) | Can dismantle scaffold frame embedded bolt device of encorbelmenting | |
CN211492091U (en) | Prefabricated template for building | |
CN206158182U (en) | A support system for single -side supporting formwork | |
CN114961240B (en) | Special-shaped high-low span bottom plate construction template and construction method | |
CN202559710U (en) | Dismountable anchoring device for overhanging type steel-steel beam |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20200425 |
|
CF01 | Termination of patent right due to non-payment of annual fee |