CN110258963A - A kind of serrated clips plate gear transmission deviation reinforcing bar connector - Google Patents
A kind of serrated clips plate gear transmission deviation reinforcing bar connector Download PDFInfo
- Publication number
- CN110258963A CN110258963A CN201910632646.4A CN201910632646A CN110258963A CN 110258963 A CN110258963 A CN 110258963A CN 201910632646 A CN201910632646 A CN 201910632646A CN 110258963 A CN110258963 A CN 110258963A
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- plate
- shaped sleeve
- intermediate plate
- anchor slab
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A kind of serrated clips plate gear transmission deviation reinforcing bar connector, the reinforcing bar one and reinforcing bar two of connecting band deviation include U-shaped sleeve, end anchor slab, spherical surface backing plate, multi-clove type arcuate serrated intermediate plate, elastic constraint and ball；Conical surface gear is set on the outside of U-shaped sleeve or end anchor slab, U-shaped sleeve connection end anchor slab and reinforcing bar two, spherical surface backing plate, multi-clove type arcuate serrated intermediate plate, elastic constraint and ball are set in U-shaped sleeve, elastic constraint constraint connection multi-clove type arcuate serrated intermediate plate, multi-clove type arcuate serrated intermediate plate clamp connection reinforcing bar one；After reinforcing bar one is inserted into multi-clove type arcuate serrated intermediate plate, using U-shaped sleeve described in vertical matching conical surface gear shaft right-angle drive or end anchor slab, realize that connector tension is fully connected.The present invention realizes the quick connection of pre-buried deviation reinforcing bar, and overall dimension is small, applied widely.
Description
Technical field
The present invention relates to the interconnection technique field of reinforcing bar, in particular to a kind of serrated clips plate gear transmission deviation reinforcing bar connection
Device.
Background technique
Prefabrication and assembly construction building and reinforcing bar modular construction are more and more common in current engineering construction field, element precast and steel
Muscle modularization makes the processing and fabricating of reinforcing bar certainly exist certain error, and there are the reinforcing bars of error to be difficult safety at the construction field (site)
Efficiently it is attached.
It is general at present to there is wet connection and involvement to connect two ways for the reinforcing bar connection for solving assembly building；It is adopted in wet connection
With being most widely the forms such as grout sleeve, slurry anchor overlap joint, this connection type is strong in the presence of construction concealment, and quality is difficult to protect
The disadvantages of card lacks effective detection approach, and constructional deficiency is difficult repairing；The dry connection type of another kind includes being bolted and welding
Etc. forms, due to the operating space of conventional stud connection request one bolt installation and fastening, this operating space is not only significantly
The concrete connection area for reducing joint location, weakens bonding strength, also makes to be bolted and is only useful in component surface layer steel
The connection of muscle, application range are quite narrow；And welded connecting is then stringenter to construction requirement, applicable situation is also more rare.
Summary of the invention
In view of the above drawbacks of the prior art, the present invention provides a kind of serrated clips plate gear transmission deviation reinforcing bar connection
Device is realized the quick connection of prefabricated components or modularization reinforcement construction large deviations embedded bar, is especially realized buried in structure
The mechanical connection of deviation reinforcing bar inside part.
To achieve the above object, the invention discloses a kind of serrated clips plate gears to be driven deviation reinforcing bar connector, realizes pre-
Bury the quick connection of deviation reinforcing bar；Comprising at least U-shaped sleeve, end anchor slab, multi-clove type arcuate serrated intermediate plate, elastic constraint and help
Saddle.
The U-shaped sleeve includes cylinder and end plate, the outside setting groove or seamed edge of the U-shaped sleeve；The U-shaped sleeve
Cylinder removably connect with the end anchor slab, in the U-shaped sleeve setting multi-clove type arcuate serrated intermediate plate and
The elastic constraint, the multi-clove type arcuate serrated intermediate plate form a sawtooth anchoring ring, the elastic constraint in circumferential direction
Constraint connects the multi-clove type arcuate serrated intermediate plate；The sawtooth anchoring ring that the multi-clove type arcuate serrated intermediate plate surrounds is in axis side
It sets up between the end plate and the end anchor slab of the U-shaped sleeve.
Circular hole is set among the end anchor slab, and the end anchor slab Circularhole diameter is greater than one diameter of reinforcing bar, the reinforcing bar
Outer sawtooth is arranged in one end, and sawtooth matches in the outer sawtooth and the multi-clove type arcuate serrated intermediate plate, described reinforcing bar one end
Portion passes through the end anchor slab circular hole, and the sawtooth anchoring ring that the multi-clove type arcuate serrated intermediate plate surrounds, which clamps, connects the reinforcing bar one
End；The end plate of the U-shaped sleeve is connect with the reinforcing bar two.
Preferably, the cylinder outer end of the U-shaped sleeve is connect with the end anchor slab with screw thread pair, the end of the U-shaped sleeve
Plate is connect with the reinforcing bar two with screw thread pair.
Preferably, conical surface gear is set on the outside of the end plate of the U-shaped sleeve.
Preferably, spherical surface is set between the sawtooth anchoring ring that the end anchor slab and the multi-clove type arcuate serrated intermediate plate surround
Backing plate；Backing plate duct is set among the spherical surface backing plate, and the backing plate channel diameter is greater than one diameter of reinforcing bar.
Preferably, the multi-clove type arcuate serrated intermediate plate close to the U-shaped sleeve end plate side bottom surface setting it is multiple under
Shrinkage pool；The sliding aiding elements are ball, a ball are arranged in each described lower shrinkage pool, the ball is adjacent to the U-shaped sleeve
End plate.
Preferably, the elastic constraint is annular elastomeric spring buckle.
Further technical solution is that axis direction groove, the axis is arranged in the multi-clove type arcuate serrated intermediate plate side
The multi-clove type arcuate serrated intermediate plate is close in the setting elastic constraint in the groove of line direction, the elastic constraint side,
It is close to the U-shaped sleeve lining in the elastic constraint other side；The elastic constraint is wave type springs steel disc.
Further technical solution is that the sawtooth anchoring ring that the multi-clove type arcuate serrated intermediate plate surrounds is in the axial direction
It is set to setting axial elasticity part between the end plate of the U-shaped sleeve and the end anchor slab, the end anchor slab stretches out the U-shaped set
Gear is arranged in cylinder, the end anchor slab projecting end.
Preferably, conical surface gear is arranged in the end anchor slab projecting end.
Preferably, ring grain in sawtooth internal screw thread or sawtooth is set on the inside of the multi-clove type arcuate serrated intermediate plate；The reinforcing bar
Matched sawtooth external screw thread or the outer ring grain of sawtooth is arranged in one end.
It is lateral in the U-shaped sleeve or the end anchor slab after the reinforcing bar one is inserted into the sawtooth anchoring ring realization connection
Using U-shaped sleeve described in matched plane gear or conical surface gear spindle drive or the end anchor slab, it is lateral that pushing ram can also be used
Gear is pushed to realize that the U-shaped sleeve end plate and the end anchor slab rotate, in the U-shaped sleeve end plate and the end anchor slab or institute
It states under the screw thread side effect between U-shaped sleeve end plate and the reinforcing bar two, the U-shaped sleeve gradually moves axially, and realizes connection
Device tension is fully connected.
Overall dimension of the present invention is small, and joint efficiency is high, reduces material utilization amount, accelerates speed of application, applicable situation is more
It is extensive.
Detailed description of the invention
Attached drawing 1: serrated clips plate gear is driven one elevation of deviation reinforcing bar connector embodiment.
Attached drawing 2: serrated clips plate gear is driven one part drawing of deviation reinforcing bar connector embodiment.
Attached drawing 3: serrated clips plate gear is driven two elevation of deviation reinforcing bar connector embodiment.
Attached drawing 4: serrated clips plate gear is driven two part drawing of deviation reinforcing bar connector embodiment.
Specific embodiment
Embodiment 1.
As depicted in figs. 1 and 2, a specific embodiment of the invention connects reinforcing bar 1 and reinforcing bar 28, it is characterised in that:
Include U-shaped sleeve 1, end anchor slab 2, spherical surface backing plate 3, multi-clove type arcuate serrated intermediate plate 4, annular elastomeric spring buckle 5 and ball 6.
U-shaped sleeve 1 includes cylinder 104 and end plate 105, and conical surface gear 101, cylinder is arranged on the outside of the end plate 105 of U-shaped sleeve 1
Internal screw thread 102 is set on the inside of body 104, and internal thread hole 103 is arranged in 105 center of end plate；104 internal screw thread 102 of cylinder of U-shaped sleeve 1
Connection is matched with end 2 external screw thread 202 of anchor slab；Setting multi-clove type arcuate serrated intermediate plate 4 and annular elastomeric spring buckle 5 in U-shaped sleeve 1 are more
Flap-type arcuate serrated intermediate plate 4 includes lateral surface circumferential groove 401 and medial surface sawtooth ring grain 403, multi-clove type arcuate serrated intermediate plate 4
A sawtooth anchoring ring is formed in circumferential direction, annular elastomeric spring buckle 5 is set in 4 outside circumferential groove 401 of multi-clove type arcuate serrated intermediate plate,
Annular elastomeric spring buckle 5 compresses constraint multi-clove type arcuate serrated intermediate plate 4；The sawtooth anchoring ring that multi-clove type arcuate serrated intermediate plate 4 surrounds exists
It is set on axis direction between the end plate 105 of U-shaped sleeve 1 and end anchor slab 2.
It holds and circular hole 201 is set among anchor slab 2, end 2 circular hole of anchor slab, 201 diameter is greater than one 7 diameter of reinforcing bar, end anchor slab 2 and more
Spherical surface backing plate 3 is set between the sawtooth anchoring ring that flap-type arcuate serrated intermediate plate 4 surrounds；Backing plate duct is set among spherical surface backing plate 3
301,301 diameter of backing plate duct is greater than one 7 diameter of reinforcing bar；Outer sawtooth ring grain 701, outer sawtooth ring grain 701 is arranged in one 7 end of reinforcing bar
Match with sawtooth ring grain in multi-clove type arcuate serrated intermediate plate 4, one 7 end of reinforcing bar passes through end anchor slab circular hole 201 and backing plate duct
301, the sawtooth anchoring ring that multi-clove type arcuate serrated intermediate plate 4 surrounds clamps connection reinforcing bar 1；The interior spiral shell of U-shaped 1 end plate 105 of sleeve
Pit 103 is matched and is connect with the external screw thread 801 of 28 end of reinforcing bar.
Multiple lower shrinkage pools 402 are arranged close to the 105 side bottom surface of end plate of U-shaped sleeve 1 in multi-clove type arcuate serrated intermediate plate 4；Often
A ball 6 is set in one lower shrinkage pool 402, ball 6 is adjacent to the end plate 105 of U-shaped sleeve 1.
Embodiment 2.
As shown in Figure 3 and Figure 4, still another embodiment of the invention connects reinforcing bar 1 and reinforcing bar 28, and feature exists
In: include U-shaped sleeve 1, end anchor slab 2, spherical surface backing plate 3, multi-clove type arcuate serrated intermediate plate 4, wave type springs steel disc 5 and ball 6.
U-shaped sleeve 1 includes cylinder 104 and end plate 105, and conical surface gear 101, cylinder is arranged on the outside of the end plate 105 of U-shaped sleeve 1
Internal screw thread 102 is set on the inside of body 104, and internal thread hole 103 is arranged in 105 center of end plate；104 internal screw thread 102 of cylinder of U-shaped sleeve 1
Connection is matched with end 2 external screw thread 202 of anchor slab；Setting multi-clove type arcuate serrated intermediate plate 4 and wave type springs steel disc in U-shaped sleeve 1
5, multi-clove type arcuate serrated intermediate plate 4 includes lateral surface axis direction groove 401 and medial surface sawtooth ring grain 403, multi-clove type arc
Sawtooth intermediate plate 4 forms a sawtooth anchoring ring in circumferential direction, sets in 4 outside axis direction groove 401 of multi-clove type arcuate serrated intermediate plate
Wave type springs steel disc 5 is set, multi-clove type arcuate serrated intermediate plate 4, wave type springs steel disc 5 are close in 5 side of wave type springs steel disc
It is close to U-shaped 1 inner wall of sleeve in the other side；The sawtooth anchoring ring that multi-clove type arcuate serrated intermediate plate 4 surrounds is set to U in the axial direction
Between the end plate 105 and end anchor slab 2 of jacket cylinder 1.
It holds and circular hole 201 is set among anchor slab 2, end 2 circular hole of anchor slab, 201 diameter is greater than one 7 diameter of reinforcing bar, end anchor slab 2 and more
Spherical surface backing plate 3 is set between the sawtooth anchoring ring that flap-type arcuate serrated intermediate plate 4 surrounds；Backing plate duct is set among spherical surface backing plate 3
301,301 diameter of backing plate duct is greater than one 7 diameter of reinforcing bar；Outer sawtooth ring grain 701, outer sawtooth ring grain 701 is arranged in one 7 end of reinforcing bar
Match with sawtooth ring grain in multi-clove type arcuate serrated intermediate plate 4, one 7 end of reinforcing bar passes through end anchor slab circular hole 201 and backing plate duct
301, the sawtooth anchoring ring that multi-clove type arcuate serrated intermediate plate 4 surrounds clamps connection reinforcing bar 1；The interior spiral shell of U-shaped 1 end plate 105 of sleeve
Pit 103 is matched and is connect with the external screw thread 801 of 28 end of reinforcing bar.
Multiple lower shrinkage pools 402 are arranged close to the 105 side bottom surface of end plate of U-shaped sleeve 1 in multi-clove type arcuate serrated intermediate plate 4；Often
A ball 6 is set in one lower shrinkage pool 402, ball 6 is adjacent to the end plate 105 of U-shaped sleeve 1.
Preferred embodiments of the invention are described in detail above；It should be appreciated that those skilled in the art are not necessarily to
Creative work, which according to the present invention can be conceived, makes many modifications and variations, and various combination is taken to generate numerous preferable realities
Apply example；Therefore, the design of all technician in the art according to the present invention passes through logic point on the basis of existing technology
Analysis, reasoning or the limited available technical solution of experiment, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of serrated clips plate gear is driven deviation reinforcing bar connector, reinforcing bar one (7) and reinforcing bar two (8) are connected, it is characterised in that:
Include at least U-shaped sleeve (1), end anchor slab (2), multi-clove type arcuate serrated intermediate plate (4), elastic constraint (5) and sliding aiding elements (6)；
The U-shaped sleeve (1) includes cylinder (104) and end plate (105), setting groove or seamed edge on the outside of the U-shaped sleeve (1)；
The cylinder (104) of the U-shaped sleeve (1) is removably connect with the end anchor slab (2), setting in the U-shaped sleeve (1)
The multi-clove type arcuate serrated intermediate plate (4) and the elastic constraint (5), the multi-clove type arcuate serrated intermediate plate (4) is in circumferential direction
A sawtooth anchoring ring is formed, elastic constraint (5) constraint connects the multi-clove type arcuate serrated intermediate plate (4)；It is described more
The sawtooth anchoring ring that flap-type arcuate serrated intermediate plate (4) surrounds is set to the end plate of the U-shaped sleeve (1) in the axial direction
(105) between the end anchor slab (2)；
Circular hole (201) are set among the end anchor slab (2), end anchor slab (2) circular hole (201) diameter is greater than the reinforcing bar one
(7) outer sawtooth (701), the outer sawtooth (701) and the multi-clove type arcuate serrated is arranged in diameter, reinforcing bar one (7) end
Intermediate plate (4) interior sawtooth matches, and reinforcing bar one (7) end passes through the end anchor slab circular hole (201), the multi-clove type arc saw
The sawtooth anchoring ring that toothholder piece (4) surrounds, which clamps, connects reinforcing bar one (7) end (701)；The end plate of the U-shaped sleeve (1)
(105) it is connect with the reinforcing bar two (8).
2. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the U-shaped set
Cylinder (104) outer end of cylinder (1) is connect with the end anchor slab (2) with screw thread pair, the end plate (105) of the U-shaped sleeve (1) and institute
Reinforcing bar two (8) is stated to connect with screw thread pair.
3. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the U-shaped set
Conical surface gear (101) are set on the outside of the end plate (105) of cylinder (1).
4. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the end anchor slab
(2) spherical surface backing plate (3) are set between the sawtooth anchoring ring that surrounds of the multi-clove type arcuate serrated intermediate plate (4)；The ball ring
Backing plate duct (301) are set among plate (3), backing plate duct (301) diameter is greater than reinforcing bar one (7) diameter.
5. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the multi-clove type
Multiple lower shrinkage pools (402) are arranged close to end plate (105) the side bottom surface of the U-shaped sleeve (1) in arcuate serrated intermediate plate (4)；It is described
Sliding aiding elements (6) are ball (6), and a ball (6) is arranged in each described lower shrinkage pool (402), and the ball (6) is adjacent to described
The end plate (105) of U-shaped sleeve (1).
6. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the elasticity is about
Bundle (5) is annular elastomeric spring buckle.
7. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the multi-clove type
Axis direction groove (401) are arranged in arcuate serrated intermediate plate (4) side, the setting elasticity in the axis direction groove (401)
The multi-clove type arcuate serrated intermediate plate (4), the elastic constraint are close in attaching means (5), elastic constraint (5) side
(5) U-shaped sleeve (1) inner wall is close in the other side；The elastic constraint (5) is wave type springs steel disc.
8. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the multi-clove type
Ring grain in sawtooth internal screw thread or sawtooth is set on the inside of arcuate serrated intermediate plate (4)；Matched sawtooth is arranged in reinforcing bar one (7) end
External screw thread or the outer ring grain of sawtooth.
9. serrated clips plate gear according to claim 1 is driven deviation reinforcing bar connector, which is characterized in that the multi-clove type
The sawtooth anchoring ring that arcuate serrated intermediate plate (4) surrounds be set in the axial direction the U-shaped sleeve (1) end plate (105) and
Axial elasticity part is set between the end anchor slab (2), and the end anchor slab (2) stretches out the U-shaped sleeve (1), the end anchor slab (2)
Gear is arranged in projecting end.
10. serrated clips plate gear according to claim 9 is driven deviation reinforcing bar connector, which is characterized in that the end anchor
Conical surface gear is arranged in plate (2) projecting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910632646.4A CN110258963A (en) | 2019-07-14 | 2019-07-14 | A kind of serrated clips plate gear transmission deviation reinforcing bar connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910632646.4A CN110258963A (en) | 2019-07-14 | 2019-07-14 | A kind of serrated clips plate gear transmission deviation reinforcing bar connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110258963A true CN110258963A (en) | 2019-09-20 |
Family
ID=67925978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910632646.4A Withdrawn CN110258963A (en) | 2019-07-14 | 2019-07-14 | A kind of serrated clips plate gear transmission deviation reinforcing bar connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258963A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945708A (en) * | 2020-07-23 | 2020-11-17 | 中亿丰建设集团股份有限公司 | Method for reusing original precast pile in existing building demolition and reconstruction |
| CN113404645A (en) * | 2021-06-15 | 2021-09-17 | 中铁上海设计院集团有限公司 | Wind power hybrid tower prefabricated tower cylinder connected by bolt U rings and construction method thereof |
| CN113756470A (en) * | 2021-09-29 | 2021-12-07 | 桂林理工大学 | Self-adaptive connecting structure of reinforced concrete shear wall and modular shear wall |
-
2019
- 2019-07-14 CN CN201910632646.4A patent/CN110258963A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945708A (en) * | 2020-07-23 | 2020-11-17 | 中亿丰建设集团股份有限公司 | Method for reusing original precast pile in existing building demolition and reconstruction |
| CN113404645A (en) * | 2021-06-15 | 2021-09-17 | 中铁上海设计院集团有限公司 | Wind power hybrid tower prefabricated tower cylinder connected by bolt U rings and construction method thereof |
| CN113404645B (en) * | 2021-06-15 | 2024-04-02 | 中铁上海设计院集团有限公司 | Wind power mixing tower prefabricated tower barrel connected by adopting bolt U-rings and construction method thereof |
| CN113756470A (en) * | 2021-09-29 | 2021-12-07 | 桂林理工大学 | Self-adaptive connecting structure of reinforced concrete shear wall and modular shear wall |
| CN113756470B (en) * | 2021-09-29 | 2022-12-06 | 桂林理工大学 | Self-adaptive connecting structure of reinforced concrete shear wall and modular shear wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110258963A (en) | A kind of serrated clips plate gear transmission deviation reinforcing bar connector | |
| US6773198B2 (en) | Fixture | |
| CN110042989A (en) | A kind of deviation reinforcing bar cone-shaped clip quick connector | |
| CN110258962A (en) | A kind of cone-shaped clip gear drive deviation reinforcing bar connector | |
| CN110306729A (en) | A kind of removable sleeved grouting connection design and construction method | |
| CN110258821A (en) | A kind of multidirectional splicing fabricated construction | |
| CN110359638A (en) | A kind of reinforcing bar quick anchoring device | |
| CN109944396A (en) | A kind of deviation reinforcing bar quick connector | |
| CN110258965A (en) | A kind of voussoir holds out against deviation reinforcing bar connector | |
| CN110258944A (en) | A kind of sawtooth sleeve deviation reinforcing bar quick connector | |
| CN110258964A (en) | A kind of novel voussoir holds out against deviation reinforcing bar connector | |
| KR102051471B1 (en) | pile jointing method using Safety support apparatus | |
| KR101807825B1 (en) | Reinforced coupler | |
| CN210177820U (en) | Deviation reinforcing bar toper clamping piece quick connector | |
| CN110258939A (en) | A kind of deviation reinforcing bar stitches splicing cone-shaped clip quick connector together | |
| JP5008532B2 (en) | Pile head rebar fittings | |
| CN210177819U (en) | Deviation reinforcing bar quick connector | |
| CN110029781A (en) | A kind of deviation reinforcing bar sawtooth intermediate plate quick connector | |
| CN110258945A (en) | A kind of self locking self fastening type deviation reinforcing bar connector | |
| JP2004238869A (en) | Method for connecting reinforcement joint fitting with reinforcement | |
| CN210887789U (en) | Sawtooth clamping piece gear drive deviation steel bar connector | |
| CN210887790U (en) | Conical clamping piece gear transmission deviation steel bar connector | |
| CN110158862A (en) | A kind of elasticity sawtooth screw rod deviation reinforcing bar quick connector | |
| JP2020190103A (en) | Precast concrete member joining method | |
| CN110258946A (en) | A kind of deviation reinforcing bar stitches splicing sawtooth intermediate plate quick connector together |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190920 |