CN106013135A - Gasket positioning type collar connecting piece - Google Patents
Gasket positioning type collar connecting piece Download PDFInfo
- Publication number
- CN106013135A CN106013135A CN201610546202.5A CN201610546202A CN106013135A CN 106013135 A CN106013135 A CN 106013135A CN 201610546202 A CN201610546202 A CN 201610546202A CN 106013135 A CN106013135 A CN 106013135A
- Authority
- CN
- China
- Prior art keywords
- nut
- coil assembly
- card
- split type
- type card
- 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.)
- Granted
Links
- 238000012856 packing Methods 0.000 claims description 23
- 125000003003 spiro group Chemical group 0.000 claims description 9
- 235000019994 cava Nutrition 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 3
- 238000003780 insertion Methods 0.000 abstract 3
- 238000006073 displacement reaction Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
- E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments
- E02D5/526—Connection means between pile segments
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention belongs to the technical field of construction, relates to a gasket positioning type collar connecting piece, and solves the technical problems of complex structure and unreliable connection in the prior art. The gasket positioning type collar connecting piece comprises an insertion nut and a clamping nut; the insertion nut is connected with an insertion plug; an anti-retreating pad, a split collar module and a middle nut are arranged in the clamping nut; the anti-retreating pad is positioned at the bottom of the clamping nut; the middle nut is screwed with the clamping nut, and is positioned above the anti-retreating pad; and a clamping cavity capable of accommodating the split collar module is formed in the connecting place of the anti-retreating pad and the middle nut. The gasket positioning type collar connecting piece is simple in structure, convenient for installation and reliable in connection.
Description
Technical field
The invention belongs to technical field of buildings, relate to a kind of packing ring location formula collar connector.
Background technology
Connector is the structure realizing connecting between two objects, and the applicant is in Shen before
Patent a kind of prefabricated components connector please and the precast concrete docking being made up of it
Structure [application number: 201020550659.1], including little nut, inserted link, mesopore nut,
Big nut, has hole bottom big nut, within it, spring is positioned at greatly the heading card of rod iron
In nut and spring one end touches with heading, the other end touches with split collar, described in
Hole nut is screwed in big nut, and wherein mesopore nut lower end is resilient joining with split collar
Closing, the shade of mesopore nut is connected to big nut end face；Described inserted link is by plug, slotting neck
The integrative-structure constituted with grafting body, bottom its plug, the area of a circle is more than being integrated with inserting
Neck diameter and bottom plug formed ring insert neck chuck；Described inserted link grafting body and little nut
Spin.
Such scheme one is to make to hale intensity considerably more than international mark between plug connector
Accurate；Two is fundamentally to solve interfacing part disrepair phenomenon；Three is thoroughly to solve plug connector
Sealing problem, it is ensured that the reliability of socket connection between prefabricated components and prefabricated components, really
Protect the reliability of building constructions ground.But in place of such scheme there is also some shortcomings, than
As in connection procedure, split collar is provided by spring and supports, when inserted link inserts split card
Circle is firmly the most excessive or during speed, split collar is easily separated from mesopore nut, causes even
Connect failure.Such scheme needs to install piecewise, slightly when installing split collar on spring
Card accidentally can be caused to enter in spring, and installation steps are highly professional, make scene
The staff of industry needs could realize installing through special training.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of simple in construction, connecting can
The card ring connector leaned on.
For reaching above-mentioned purpose, present invention employs following technical proposal: a kind of packing ring is fixed
Position formula collar connector, including grafting nut and card connected nut, on described grafting nut
Connect and have connection-peg, in described card connected nut, be provided with anti-back pad, split type card coil assembly
And intermediate nut, wherein anti-back pad is positioned at bottom card connected nut, intermediate nut and clamping spiral shell
Mother is spirally connected and intermediate nut is positioned at above anti-back pad and anti-back is paved barrier effect thus anti-
Only anti-back pad departs from card connected nut, and the junction of anti-back pad and intermediate nut forms an energy
The clamping chamber of accommodating split type card coil assembly, in connection-peg is inserted into intermediate nut and with
During split type collar component touch, described split type card coil assembly can be on clamping intracavity edge
Slide thus allow the end of connection-peg pass through split type card coil assembly in the direction of enlarged diameter,
After split type card coil assembly is passed through in the end of connection-peg, described split type card coil assembly
Can slide so that split type card coil assembly is with slotting along the direction reducing diameter at clamping intracavity
The end snap-fit engagement of joint.
In above-mentioned packing ring location formula collar connector, described split type card coil assembly
Having elasticity can radially stretch, described connection-peg includes and grafting nut threaded
Spiro union portion and the inserted link in card connected nut can be inserted into, the end of inserted link has plug,
The junction of inserted link and plug caves inward and forms Access Division, and plug is inserted into split type card
Time in coil assembly, split type card coil assembly along plug outer wall change size and with plug outside
Wall is close to, when plug is through split type card coil assembly, and split type card coil assembly and clamping
Portion's snap-fit engagement.
In above-mentioned packing ring location formula collar connector, described split type card coil assembly
Can the elasticity of deformation if the card being uniformly distributed circumferentially including dry tablet and one have elasticity
Fixture, if described flexible fastening piece is set on dry tablet card outer wall thus allows some
Sheet card-shape circularizes structure.
In above-mentioned packing ring location formula collar connector, the outer wall of every card is provided with
The elastic component draw-in groove that one shape, size match with flexible fastening piece, adjacent card
On elastic component draw-in groove be interconnected to form annular structure, flexible fastening piece is embedded at bullet
In property part draw-in groove.
In above-mentioned packing ring location formula collar connector, on the outer wall of described Access Division
Being provided with several axially arranged clamping steps along plug, described card inwall is provided with
Some axially arranged latches along split type card coil assembly, described latch energy and clamping
Step forms clamping.
In the formula collar connector of above-mentioned packing ring location, described anti-back pad cylindrically,
The bottom of described split type card coil assembly is in the annulus matched with anti-back pad upper surface
Shape, described clamping chamber is round platform taper.
In the formula collar connector of above-mentioned packing ring location, described clamping step ringwise,
And the external diameter of clamping step becomes larger from spiro union portion toward the direction of plug.
In above-mentioned packing ring location formula collar connector, described grafting nut and clamping
The outer wall of nut is provided with some anti-slip circles ringwise.
In the formula collar connector of above-mentioned packing ring location, described intermediate nut inwall to
Sunken inside forms a guiding groove ringwise, and described guiding groove is positioned at above clamping chamber,
When split type card coil assembly departs from clamping chamber, described split type card coil assembly can snap in
In guiding groove.
In the formula collar connector of above-mentioned packing ring location, described intermediate nut inwall to
Sunken inside forms a guiding groove ringwise, and described guiding groove is positioned at above clamping chamber,
The shape, the size that are positioned at the part below elastic component draw-in groove and guiding groove on card match,
When card departs from clamping chamber, described card can snap onto in guiding groove.
Compared with prior art, it is an advantage of the current invention that:
1, replace spring with anti-back pad, eliminate and carry out split type card coil assembly axially determining
The spring of position, structure is simpler, installs more convenient, and clamping chamber is a fixing structure
, from axially split type card coil assembly being positioned, split type collar during grafting
The axial displacement of assembly is controlled, and split type card coil assembly will not depart from intermediate nut, thus
Improve the reliability connected between object.
2, the setting of the guiding groove in intermediate nut, when connection-peg is haled, card can block
Entering in guiding groove, card is without departing from intermediate nut, so that card can be all the time with slotting
Joint forms clamping, say, that improve the reliability of connection.
3, the anti-slip circle on grafting nut and card connected nut can make nut not send out when stress
Raw displacement, also further increases the reliability of connection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of intermediate nut；
Fig. 3 is the structural representation of connection-peg；
Fig. 4 is the structural representation of card；
Fig. 5 is the floor map of split type card coil assembly；
Fig. 6 is the structural representation of flexible fastening piece；
Fig. 7 is the another kind of structural representation of flexible fastening piece.
In figure: grafting nut 1, card connected nut 2, connection-peg 3, anti-back pad 4, split
Formula card coil assembly 5, intermediate nut 6, clamping chamber 7, spiro union portion 8, inserted link 9, plug
10, Access Division 11, card 12, flexible fastening piece 13, elastic component draw-in groove 14, clamping
Step 15, latch 16, anti-slip circle 17, guiding groove 18.
Detailed description of the invention
With detailed description of the invention the present invention done further details of theory below in conjunction with the accompanying drawings
Bright.
As it is shown in figure 1, a kind of packing ring location formula collar connector, including grafting nut 1
With card connected nut 2, described grafting nut 1 connects and has connection-peg 3, described clamping
Anti-back pad 4, split type card coil assembly 5 and intermediate nut 6, Qi Zhongfang it is provided with in nut 2
Move back pad and 4 be positioned at bottom card connected nut 2, intermediate nut 6 and card connected nut 2 be spirally connected and in
Between nut 6 be positioned at above anti-back pad 4 and to 4 barrier effects of anti-back pad thus prevent
Moving back pad 4 disengaging card connected nut 2, the junction of anti-back pad 4 and intermediate nut 6 forms one
Individual energy houses the clamping chamber 7 of split type card coil assembly 5, when connection-peg 3 is inserted into centre
In nut 6 and when contacting with split type card coil assembly 5, described split type card coil assembly
5 direction along enlarged diameter can slide thus allow the end of connection-peg 3 in clamping chamber 7
By split type card coil assembly 5, when the end of connection-peg 3 is by split type card coil assembly 5
After, described split type card coil assembly 5 can be along the direction reducing diameter in clamping chamber 7
Slide so that the end snap-fit engagement of split type card coil assembly 5 and connection-peg 3.
The present invention, anti-back pad 4 directly plays the effect supporting split type card coil assembly 5,
Split type card coil assembly 5 is easy for installation, and intermediate nut 6 and card connected nut 2 can after being spirally connected
So that split type card coil assembly 5 is formed upper and lower support, namely clamping chamber 7 is by middle screw
Mother 6, anti-back pad 4 and 2-in-1 the enclosing of card connected nut form, and this structure is reliable, can be the most anti-
Only split type card coil assembly 5 departs from, thus improves connection effect, connects reliable.
In the present embodiment, as the preferred scheme of one, anti-back pad 4 cylindrically,
Upper and lower two surfaces are circular, the bottom of described split type card coil assembly 5 in
It is circular that anti-back pad 4 upper surface matches, described clamping chamber 7 in round platform taper,
It will be appreciated by those skilled in the art that what split type card coil assembly 5 contacted with clamping chamber 7
One side and clamping chamber 7 inwall match and can fit.Preferably, anti-back pad 4 elasticity
Material is made, and such as rubber, silica gel etc., slides along clamping chamber 7 at split type card coil assembly 5
All the time split type card coil assembly 5 can be formed during Dong and support.
Shown in Fig. 5, if described split type card coil assembly 5 includes that dry tablet is circumferentially
Equally distributed card 12 and one have elasticity can the flexible fastening piece 13 of deformation, point
Body formula card coil assembly 5 has elasticity and can radially stretch, as shown in Figure 6 and Figure 7, and bullet
Property fixture 13 can be enclosed loop configuration such as turn, it is also possible to be open
Structure such as snap ring, or the parts that card 12 can be formed elastic constraint of other forms.
As it is shown on figure 3, described connection-peg 3 includes and grafting nut 1 threaded
Spiro union portion 8 and the inserted link 9 being inserted in card connected nut 2, the end of inserted link 9 has
Plug 10, the junction of inserted link 9 and plug 10 caves inward and forms Access Division 11, inserts
10 when being inserted in split type card coil assembly 5, and split type card coil assembly 5 is along plug
The outer wall of 10 changes size and is close to plug 10 outer wall, when plug 10 is through split type
During card coil assembly 5, split type card coil assembly 5 and Access Division 11 snap-fit engagement.
If as it is shown in figure 1, described flexible fastening piece 13 is set in outside dry tablet card 12
If on wall thus allow dry tablet card 12 form loop configuration.As shown in Figure 4, every card
The elasticity that the outer wall of 12 is provided with a shape, size matches with flexible fastening piece 13
Part draw-in groove 14, the adjacent elastic component draw-in groove 14 on card 12 is interconnected to form annular
Structure, flexible fastening piece 13 is embedded in elastic component draw-in groove 14.
Marrying too shown in Fig. 3, Fig. 4 and Fig. 1, the outer wall of Access Division 11 is provided with some
The individual axially arranged clamping step 15 along plug 10, described card 12 inwall is provided with
Some axially arranged latches 16 along split type card coil assembly 5, described latch 16
Clamping can be formed with clamping step 15.Preferably, clamping step 15 ringwise, and blocks
The external diameter connecing step 15 is become larger from spiro union portion 8 toward the direction of plug 10.
As it is shown in figure 1, the outer wall of grafting nut 1 and card connected nut 2 is provided with some in ring
The anti-slip circle 17 of shape.
Shown in Fig. 2, intermediate nut 6 inwall caves inward and forms one ringwise
Guiding groove 18, described guiding groove 18 is positioned at above clamping chamber 7, when split type collar
When assembly 5 departs from clamping chamber 7, described split type card coil assembly 5 can snap onto guiding
In groove 18.Specifically, card 12 is positioned at part a below elastic component draw-in groove 14
Match with shape, the size of guiding groove 18, when card 12 departs from clamping chamber 7,
Described card 12 can snap onto in guiding groove 18, thus prevents card from departing from middle screw
Female 6, it practice, intermediate nut 6 plays a safety effect, split type card can be prevented
Coil assembly 5 departs from card connected nut 2, thus prevents grafting nut 1 and card connected nut 2 even
Connect failure, it will be appreciated by those skilled in the art that when grafting nut 1 and card connected nut 2
During the most independent one object of connection, by grafting nut 1 and the company of card connected nut 2
Connect, two objects can be made to realize connecting.The object that can connect includes but not limited to pre-
Stake processed, dry wall, rail, bridge building block etc..
Some cards 12 when mounted, are first fixed by the present invention with flexible fastening piece 13,
The quantity of card 12 is at least 2 pieces, preferably 4 pieces, fixing after formed one overall
Split type card coil assembly 5, puts into anti-back pad 4 in card connected nut 2, at anti-back pad 4
The split type card coil assembly 5 that upper placement assembles, is threaded into clamping spiral shell by intermediate nut 6
Making intermediate nut 6 contact with split type card coil assembly 5 in female 2, connection-peg 3 passes through
Spiro union portion 8 and grafting nut 1 realize being spirally connected after fixing, and plug 10 sequentially passes through middle screw
The card in anti-back pad 4, on Access Division 11 is entered into after mother 6 and split type card coil assembly 5
Connect step 15 and form snap-fit engagement with the latch 16 on card 12, it is achieved grafting nut 1
Connection with card connected nut 2.It will be appreciated by those skilled in the art that the maximum of plug 10
The external diameter at place should be less than the internal diameter of anti-back pad 4.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employ grafting nut 1, card connected nut 2, connection-peg 3,
Anti-back pad 4, split type card coil assembly 5, intermediate nut 6, clamping chamber 7, spiro union portion 8,
Inserted link 9, plug 10, Access Division 11, card 12, flexible fastening piece 13, elastic component
The terms such as draw-in groove 14, clamping step 15, latch 16, anti-slip circle 17, guiding groove 18,
But it is not precluded from using the probability of other term.These terms are used to be only used to more
Describe and explain the essence of the present invention easily；It is construed as what any one was added
It is all contrary with spirit of the present invention for limiting.
Claims (10)
1. a packing ring location formula collar connector, including grafting nut (1) and clamping
Nut (2), the upper connection of described grafting nut (1) has connection-peg (3), and its feature exists
In, it is provided with anti-back pad (4), split type card coil assembly (5) in described card connected nut (2)
With intermediate nut (6), wherein anti-back pad (4) is positioned at card connected nut (2) bottom, in
Between nut (6) and card connected nut (2) be spirally connected and intermediate nut (6) is positioned at anti-back pad (4)
Top and to anti-back pad (4) rise barrier effect thus prevent anti-back pad (4) depart from clamping
Nut (2), the junction of anti-back pad (4) and intermediate nut (6) forms one and can hold
Put the clamping chamber (7) of split type card coil assembly (5), in connection-peg (3) is inserted into
Between when in nut (6) and contacting with split type card coil assembly (5), described is split type
Card coil assembly (5) can in clamping chamber (7) along enlarged diameter direction slide thus allow
Split type card coil assembly (5) is passed through in the end of connection-peg (3), when connection-peg (3)
After split type card coil assembly (5) is passed through in end, described split type card coil assembly (5)
Can slide so that split type card coil assembly along the direction reducing diameter in clamping chamber (7)
(5) with the end snap-fit engagement of connection-peg (3).
Packing ring the most according to claim 1 location formula collar connector, its feature exists
In, described split type card coil assembly (5) has elasticity and can radially stretch, described
Connection-peg (3) includes the spiro union portion (8) with grafting nut (1) threaded and can insert
Entering the inserted link (9) in card connected nut (2), the end of inserted link (9) has plug (10),
The junction of inserted link (9) and plug (10) caves inward and forms Access Division (11), inserts
When head (10) is inserted in split type card coil assembly (5), split type card coil assembly (5)
Outer wall along plug (10) changes size and is close to plug (10) outer wall, works as plug
(10) time through split type card coil assembly (5), split type card coil assembly (5) and card
Connect portion (11) snap-fit engagement.
Packing ring the most according to claim 2 location formula collar connector, its feature exists
In, described split type card coil assembly (5) is if including the card that dry tablet is uniformly distributed circumferentially
Sheet (12) and one have elasticity can the flexible fastening piece (13) of deformation, described elasticity
Fixture (13) if be set in dry tablet card (12) if on outer wall thus allow dry tablet card
(12) loop configuration is formed.
Packing ring the most according to claim 3 location formula collar connector, its feature exists
In, the outer wall of every card (12) is provided with a shape, size and flexible fastening piece
(13) the elastic component draw-in groove (14) matched, the adjacent elastic component on card (12)
Draw-in groove (14) is interconnected to form the structure of annular, and flexible fastening piece (13) is embedded
In elastic component draw-in groove (14).
Packing ring the most according to claim 3 location formula collar connector, its feature exists
In, the outer wall of described Access Division (11) is provided with several axles along plug (10)
To the clamping step (15) arranged, described card (12) inwall is provided with some along split
The axially arranged latch (16) of formula card coil assembly (5), described latch (16) energy
Clamping is formed with clamping step (15).
Packing ring the most according to claim 1 location formula collar connector, its feature exists
In, described anti-back pad (4) cylindrically, described split type card coil assembly (5)
Bottom in the clamping chamber (7) circular, described with what anti-back pad (4) upper surface matched
In round platform taper.
Packing ring the most according to claim 5 location formula collar connector, its feature exists
In, described clamping step (15) ringwise, and the external diameter of clamping step (15) by
Spiro union portion (8) becomes larger toward the direction of plug (10).
Packing ring the most according to claim 1 location formula collar connector, its feature exists
In, described grafting nut (1) and the outer wall of card connected nut (2) are provided with some in ring
The anti-slip circle (17) of shape.
Packing ring the most according to claim 1 location formula collar connector, its feature exists
In, described intermediate nut (6) inwall caves inward and forms a guiding groove ringwise
(18), described guiding groove (18) is positioned at top, clamping chamber (7), when split type card
When coil assembly (5) departs from clamping chamber (7), described split type card coil assembly (5) energy
Snap onto in guiding groove (18).
Packing ring the most according to claim 3 location formula collar connector, its feature
Being, described intermediate nut (6) inwall caves inward and forms a guiding ringwise
Groove (18), described guiding groove (18) is positioned at top, clamping chamber (7), card (12)
On be positioned at the shape, big of part and guiding groove (18) of elastic component draw-in groove (14) lower section
Little match, when card (12) departs from clamping chamber (7), described card (12)
Can snap onto in guiding groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546202.5A CN106013135B (en) | 2016-07-08 | 2016-07-08 | Packing ring positions formula collar connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546202.5A CN106013135B (en) | 2016-07-08 | 2016-07-08 | Packing ring positions formula collar connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106013135A true CN106013135A (en) | 2016-10-12 |
| CN106013135B CN106013135B (en) | 2017-12-29 |
Family
ID=57109610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610546202.5A Active CN106013135B (en) | 2016-07-08 | 2016-07-08 | Packing ring positions formula collar connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106013135B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165341A (en) * | 2017-05-26 | 2017-09-15 | 天津大学建筑设计研究院 | A kind of connection method of precast concrete vertical member |
| CN107389993A (en) * | 2017-07-20 | 2017-11-24 | 云南电网有限责任公司电力科学研究院 | A kind of side-mounted grading ring and its installation method |
| CN110388361A (en) * | 2018-04-16 | 2019-10-29 | 周兆弟 | A kind of connection member |
| CN110387881A (en) * | 2018-04-16 | 2019-10-29 | 周兆弟 | A kind of connection member |
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| CN110387881A (en) * | 2018-04-16 | 2019-10-29 | 周兆弟 | A kind of connection member |
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