CN105751356B - Girder construction prefab-form fixing component - Google Patents
Girder construction prefab-form fixing component Download PDFInfo
- Publication number
- CN105751356B CN105751356B CN201610226453.5A CN201610226453A CN105751356B CN 105751356 B CN105751356 B CN 105751356B CN 201610226453 A CN201610226453 A CN 201610226453A CN 105751356 B CN105751356 B CN 105751356B
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- Prior art keywords
- bolt
- hold
- spring
- push plate
- component
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 239000004570 mortar (masonry) Substances 0.000 description 43
- 239000004567 concrete Substances 0.000 description 38
- 239000002002 slurry Substances 0.000 description 8
- 239000011513 prestressed concrete Substances 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- -1 however Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention discloses girder construction prefab-form fixing components, including grillage and two block pressur plates, two block pressur plates are in face relationship, there is the gap for template to be clamped between two block pressur plates, further include that push plate component corresponding from different pressing plates, the push plate component of each pressing plate are used to that the pressing plate to be pushed to move to another block pressur plate side respectively；The push plate component includes hold-down bolt, spring and check bolt, and the hold-down bolt is threadedly connected on grillage, and the hold-down bolt is contacted with the lateral surface of corresponding pressing plate；The check bolt is threadedly connected on grillage, and the axis of check bolt is parallel with the axis of corresponding hold-down bolt, and the spring is set between corresponding pressing plate and corresponding check bolt.This fixture makes suitable for complex-shaped girder construction prefabricated component；It can reach during prefabricated components are cured, reduce spillage amount or avoid the technique effect of spillage.
Description
Technical field
The present invention relates to the prefabricated apparatus fields of concrete component, and structure is fixed more particularly to a kind of girder construction prefab-form
Part.
Background technology
Occur the phenomenon that crack too early to make up concrete, is used in component（Load）In the past, concrete one is given in advance
A precompression, i.e., in the tensile region of concrete, reinforcing bar is carried out tensioning, utilizes the retraction of reinforcing bar by the method manually reinforced
Power makes concrete in tension area in advance by pressure.This precharge pressure stored, when component bears to generate pulling force by external load
When, the precompression in concrete in tension zone is offset first, then increases with load, just makes concrete in tension, and which limits mixed
The elongation for coagulating soil, delays or so that crack is occurred, the concrete of such form is prestressed concrete.Due to prestressed concrete
Soil has many advantages, such as that crack resistance is good, rigidity is big, dead weight vertical shear and principal tensile stress small, that can reduce beams of concrete, can
The stability and fatigue performance for significantly improving compression member have excellent applying value in existing building construction.
The link that slurries leak when preventing concreting is directed in prestressed concrete casting process, and it is many anti-
The effect of spillage technology fails to get a desired effect, and causes to directly affect construction efficiency and the quality of concreting.It is existing
It is generally all being in direct contact using steel plate and steel plate and is compressing, increases and only starch item etc., to prevent concrete slurry from leaking, but this side
Method not only increases certain difficulty to construction, also fails to reach ideal mortar leakage prevention effect.
Invention content
For be directed in above-mentioned prestressed concrete casting process prevent concreting when slurries leakage link,
And the effect of many mortar leakage prevention technologies fails to get a desired effect, and leads to directly affect construction efficiency and concreting
The problem of quality, the present invention provides a kind of girder construction prefab-form fixing components.
To solve the above problems, girder construction prefab-form fixing component provided by the invention is solved by following technical essential
Certainly problem：Girder construction prefab-form fixing component, including grillage and two block pressur plates, two block pressur plates are in face relationship, two block pressur plates
Between there is gap for template to be clamped, further include push plate component corresponding from different pressing plates respectively, the push plate group of each pressing plate
Part is for pushing the pressing plate to be moved to another block pressur plate side；
The push plate component includes hold-down bolt, spring and check bolt, and the hold-down bolt is threadedly connected on grillage,
The hold-down bolt is contacted with the lateral surface of corresponding pressing plate；
The check bolt is threadedly connected on grillage, and the axis of check bolt is flat with the axis of corresponding hold-down bolt
Row, the spring are set between corresponding pressing plate and corresponding check bolt, and in working condition, both ends of the spring is corresponded to respectively
The compression of pressing plate and corresponding check bolt and be in elastic compression.
Specifically, the clamping of concrete prefabricated element template is used for upper fixture, it is mixed to be inserted in the template after clamping
Solidifying soil sand slurry, in this way, cavity of the template as concrete mortar, obtains required concrete prefabricated after concrete mortar solidification
Component.In the prior art, it to reduce shrinkage of the concrete mortar in process of setting, can generally be added in concrete mortar
Swelling agent, however, concrete mortar still has small contraction under normal circumstances, for prestressed concrete, the above contraction is
The important origin cause of formation that slurries leak when pouring.
In this case, when template closes mould, by rotating hold-down bolt, the end of hold-down bolt acts on the outer of corresponding pressing plate
Side changes the gap width between two block pressur plates, in the above gap after fill concrete mortar, can pass through and rotate two push plate groups
Check bolt in part, makes the spring in two push plate components generate the elastic deformation in compressive state, and the above elastic deformation is
Corresponding pressing plate generates the thrust for being directed toward another pressing plate, in this way, in mixed mud mortar solidification process, if concrete mortar is received
Contracting, the above generated elastic force of spring deformation force template and mixed mud mortar, mixed mud mortar and sealing strip, sealing
It is fitted closely between item and template, reaches the technique effect for reducing spillage amount or avoiding spillage.
In this case, to configuring the structure type of hold-down bolt, spring and check bolt on the pressing plate of prefab-form both sides,
Mixed mud mortar after shrinking, under the elastic force of spring, when the pressing plate of prefabricated component both sides is bonded with corresponding templates, the position of each pressing plate
Set variation or angle change influenced by the change in location or angle change of another block pressur plate it is small, in this way, may make this fixture be applicable in
It is made in complex-shaped girder construction prefabricated component.
This case,, can be between two block pressur plates before fill concrete mortar after adjusting two pieces of spacing when using
Increase the both ends distance rod with the two interior side contacts respectively, preferably distance rod is located at the upper end in gap, then passes through locking spiral shell
Bolt compressed spring.After fill concrete mortar, concrete mortar solidification is waited for a certain extent, i.e., concrete mortar has certain
When intensity, then distance rod is removed, the size to avoid cavity between two pressing plate of elastic force pair of spring impacts.
Further technical solution is：
As a kind of concrete scheme being easily achieved, the grillage takes the shape of the letter U, and two block pressur plates are located at grillage open end not
The inside of homonymy.In the above structure, the side of grillage can be threadedly connected to simultaneously by check bolt and hold-down bolt, be used for
The compression of paired springs and adjustment to press plate position.
Due to mixed mud mortar shrinkage between two pressing plates gap width it is smaller, therefore for the benefit of mortar leakage prevention imitate
Fruit, preferably selects the larger spring of coefficient of elasticity, and the spring is the groups of springs being formed by stacking by multiple disk springs.
For avoid pressing plate occur under the bullet stress of spring it is excessive it is crooked influence pressing plate and corresponding templates be bonded quality,
Spring and hold-down bolt in each push plate component are one, and the axis of spring is pressed with the push plate component in each push plate component
The axis collinear of tight bolt, each push plate component further includes the locking plate with hold-down bolt clearance fit in the push plate component, described
Locking plate is set between the spring and check bolt in the push plate component, the locking plate be used for the push plate component in spring with
Stress transfer between check bolt, more than one of the check bolt, and different check bolts are set in the push plate component
The not homonymy of hold-down bolt.
For avoid pressing plate occur under the bullet stress of spring it is excessive it is crooked influence pressing plate and corresponding templates be bonded quality,
Spring in each push plate component is more, and the quantity of the hold-down bolt in each push plate component is one, more in each push plate component
Root spring is annularly uniformly distributed relative to the axis of hold-down bolt, and each push plate component further includes locking with hold-down bolt clearance fit
Plate, the locking plate are set between spring and check bolt, and the locking plate is for the stress between spring and check bolt
It transmits, more than one of the check bolt, and different check bolts are set to the not homonymy of hold-down bolt.
For ease of rotation hold-down bolt and check bolt, it is both provided on the hold-down bolt and check bolt for braking
The turning handle of each autorotation.
The invention has the advantages that：
In this case, when template closes mould, by rotating hold-down bolt, the end of hold-down bolt acts on the outer of corresponding pressing plate
Side changes the gap width between two block pressur plates, in the above gap after fill concrete mortar, can pass through and rotate two push plate groups
Check bolt in part, makes the spring in two push plate components generate the elastic deformation in compressive state, and the above elastic deformation is
Corresponding pressing plate generates the thrust for being directed toward another pressing plate, in this way, in mixed mud mortar solidification process, if concrete mortar is received
Contracting, the above generated elastic force of spring deformation force template and mixed mud mortar, mixed mud mortar and sealing strip, sealing
It is fitted closely between item and template, reaches the technique effect for reducing spillage amount or avoiding spillage.
In this case, to configuring the structure type of hold-down bolt, spring and check bolt on the pressing plate of prefab-form both sides,
Mixed mud mortar after shrinking, under the elastic force of spring, when the pressing plate of prefabricated component both sides is bonded with corresponding templates, the position of each pressing plate
Set variation or angle change influenced by the change in location or angle change of another block pressur plate it is small, in this way, may make this fixture be applicable in
It is made in complex-shaped girder construction prefabricated component.
Description of the drawings
Fig. 1 is the structural schematic diagram of one specific embodiment of girder construction prefab-form fixing component of the present invention.
Figure acceptance of the bid, which is remembered, is respectively：1, turning handle, 2, pressing plate, 3, grillage, 4, check bolt, 5, locking plate, 6, hold-down bolt, 7,
Spring.
Specific implementation mode
The present invention provides a kind of girder construction prefab-form fixing components, for solving：Prestressed concrete in the prior art
The link that slurries leak when preventing concreting is directed in native casting process, and the effect of many mortar leakage prevention technologies is not
The problem of capable of getting a desired effect, leading to directly affect the quality of construction efficiency and concreting.With reference to embodiment
The present invention is described in further detail, but the present invention is not limited only to following embodiment：
Embodiment 1：
As shown in Figure 1, girder construction prefab-form fixing component, including grillage 3 and two block pressur plates 2, two block pressur plates 2 are in face
Relationship has the gap for template to be clamped between two block pressur plates 2, further include respectively from 2 corresponding push plate component of different pressing plates,
The push plate component of each pressing plate 2 is for pushing the pressing plate 2 to be moved to 2 side of another block pressur plate；
The push plate component includes hold-down bolt 6, spring 7 and check bolt 4, and the hold-down bolt 6 is threadedly connected to plate
On frame 3, the hold-down bolt 6 is contacted with the lateral surface of corresponding pressing plate 2；
The check bolt 4 is threadedly connected on grillage 3, and the axis of the axis of check bolt 4 and corresponding hold-down bolt 6
Parallel, the spring 7 is set between corresponding pressing plate 2 and corresponding check bolt 4, in working condition, 7 both ends of spring difference
It is in elastic compression by the compression of corresponding pressing plate 2 and corresponding check bolt 4.
Specifically, the clamping of concrete prefabricated element template is used for upper fixture, it is mixed to be inserted in the template after clamping
Solidifying soil sand slurry, in this way, cavity of the template as concrete mortar, obtains required concrete prefabricated after concrete mortar solidification
Component.In the prior art, it to reduce shrinkage of the concrete mortar in process of setting, can generally be added in concrete mortar
Swelling agent, however, concrete mortar still has small contraction under normal circumstances, for prestressed concrete, the above contraction is
The important origin cause of formation that slurries leak when pouring.
In this case, when template closes mould, by rotating hold-down bolt 6, the end of hold-down bolt 6 acts on corresponding pressing plate 2
Outside, change the gap width between two block pressur plates 2, in the above gap after fill concrete mortar, can pass through and rotate two
Check bolt 4 in push plate component makes the spring 7 in two push plate components generate the elastic deformation in compressive state, the above bullet
Property shape become corresponding pressing plate 2 and generate the thrust for being directed toward another pressing plate 2, in this way, in mixed mud mortar solidification process, if coagulation
Native Mortar shrinkage, elastic force caused by 7 flexible deformation of the above spring force template and mixed mud mortar, mixed mud mortar with it is close
It is fitted closely between strip of paper used for sealing, sealing strip and template, reaches the technique effect for reducing spillage amount or avoiding spillage.
In this case, to configuring the structure of hold-down bolt 6, spring 7 and check bolt 4 on the pressing plate 2 of prefab-form both sides
Form, mixed mud mortar after shrinking, under the elastic force of spring 7, when the pressing plate 2 of prefabricated component both sides is bonded with corresponding templates, respectively
The change in location or angle change of pressing plate 2 influenced by the change in location or angle change of another block pressur plate 2 it is small, in this way, may make
This fixture makes suitable for complex-shaped girder construction prefabricated component.
This case use when, after adjusting two pieces of spacing, before fill concrete mortar, can two block pressur plates 2 it
Between increase a both ends distance rod with the two interior side contacts, preferably distance rod be located at the upper end in gap respectively, then by locking
4 compressed spring 7 of bolt.After fill concrete mortar, concrete mortar solidification is waited for a certain extent, i.e., concrete mortar has
When some strength, then distance rod is removed, the size to avoid cavity between two pressing plate 2 of elastic force pair of spring 7 impacts.
Embodiment 2：
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1, as a kind of tool being easily achieved
Body scheme, the grillage 3 take the shape of the letter U, and two block pressur plates 2 are located at the inside of 3 open end of grillage not homonymy.It, can in the above structure
It is threadedly connected to the side of grillage 3 simultaneously by check bolt 4 and hold-down bolt 6, has been used for the compression of paired springs 7 and to pressure
The adjustment of 2 position of plate.
Due to mixed mud mortar shrinkage between two pressing plates 2 gap width it is smaller, therefore for the benefit of mortar leakage prevention imitate
Fruit, preferably selects the larger spring of coefficient of elasticity, and the spring 7 is the groups of springs being formed by stacking by multiple disk springs.
For avoid pressing plate 2 occur under the bullet stress of spring 7 it is excessive it is crooked influence pressing plate 2 and corresponding templates be bonded matter
It measures, the spring 7 and hold-down bolt 6 in each push plate component are one, the axis of spring 7 and the push plate group in each push plate component
The axis collinear of hold-down bolt 6 in part, each push plate component further include in the push plate component 6 clearance fit of hold-down bolt it is locking
Plate 5, the locking plate 5 are set to the spring 7 in the push plate component and between check bolts 4, and the locking plate 5 is used for the push plate
Stress transfer in component between spring 7 and check bolt 4, the check bolt 4 more than one, and different check bolts 4 are set
It is placed in the not homonymy of hold-down bolt 6 in the push plate component.
Embodiment 3：
The present embodiment is further qualified the present invention on the basis of embodiment 1, as shown in Figure 1, to avoid pressing plate 2 from existing
The quality that is bonded that is excessive crooked and influencing pressing plate 2 with corresponding templates, the spring in each push plate component occurs under the bullet stress of spring 7
7 be more, and the quantity of the hold-down bolt 6 in each push plate component is one, and more springs 7 in each push plate component are relative to compression
The axis of bolt 6 is annularly uniformly distributed, and each push plate component further includes the locking plate 5 with 6 clearance fit of hold-down bolt, the locking plate
5 are set between spring 7 and check bolt 4, and the locking plate 5 is for the stress transfer between spring 7 and check bolt 4, institute
Check bolt 4 more than one is stated, and different check bolts 4 are set to the not homonymy of hold-down bolt 6.
Embodiment 4：
The present embodiment is further qualified on the basis of any of the above one embodiment, as shown in Figure 1, for ease of rotation
The turning handle for braking each autorotation is both provided on hold-down bolt 6 and check bolt 4, the hold-down bolt 6 and check bolt 4
1。
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific implementation mode of invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
The other embodiment obtained in the case where not departing from technical scheme of the present invention, should be included within the scope of the present invention.
Claims (4)
1. girder construction prefab-form fixing component, including grillage（3）And two block pressur plate（2）, two block pressur plates（2）In face relationship,
Two block pressur plates（2）Between there is gap for template to be clamped, which is characterized in that further include respectively from different pressing plates（2）It is corresponding
Push plate component, each pressing plate（2）Push plate component for pushing the pressing plate（2）To another block pressur plate（2）Side moves；
The push plate component includes hold-down bolt（6）, spring（7）And check bolt（4）, the hold-down bolt（6）It is threadedly coupled
In grillage（3）On, the hold-down bolt（6）With corresponding pressing plate（2）Lateral surface contact；
The check bolt（4）It is threadedly connected to grillage（3）On, and check bolt（4）Axis and corresponding hold-down bolt（6）'s
Axis is parallel, the spring（7）It is set to corresponding pressing plate（2）With corresponding check bolt（4）Between, in working condition, bullet
Spring（7）Both ends are respectively by corresponding pressing plate（2）And corresponding check bolt（4）Compression and be in elastic compression；The plate
Frame（3）It takes the shape of the letter U, two block pressur plates（2）It is located at grillage（3）The inside of open end not homonymy；The spring（7）It is by multiple
The groups of springs that disk spring is formed by stacking.
2. girder construction prefab-form fixing component according to claim 1, which is characterized in that the bullet in each push plate component
Spring（7）And hold-down bolt（6）It is one, spring in each push plate component（7）Axis and the push plate component in hold-down bolt（6）
Axis collinear, each push plate component further includes and hold-down bolt in the push plate component（6）The locking plate of clearance fit（5）, described
Locking plate（5）The spring being set in the push plate component（7）With check bolt（4）Between, the locking plate（5）For the push plate
Spring in component（7）With check bolt（4）Between stress transfer, the check bolt（4）More than one, and different locking spiral shells
Bolt（4）It is set to hold-down bolt in the push plate component（6）Not homonymy.
3. girder construction prefab-form fixing component according to claim 1, which is characterized in that the spring in each push plate component
（7）It is more, the hold-down bolt in each push plate component（6）Quantity be one, more springs in each push plate component（7）Relatively
In hold-down bolt（6）Axis it is annularly uniformly distributed, each push plate component further includes and hold-down bolt（6）The locking plate of clearance fit
（5）, the locking plate（5）It is set to spring（7）With check bolt（4）Between, the locking plate（5）For spring（7）With it is anti-
Loose bolt（4）Between stress transfer, the check bolt（4）More than one, and different check bolts（4）It is set to compression spiral shell
Bolt（6）Not homonymy.
4. girder construction prefab-form fixing component as claimed in any of claims 1 to 3, which is characterized in that described
Hold-down bolt（6）And check bolt（4）On be both provided with turning handle for braking each autorotation（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226453.5A CN105751356B (en) | 2016-04-13 | 2016-04-13 | Girder construction prefab-form fixing component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226453.5A CN105751356B (en) | 2016-04-13 | 2016-04-13 | Girder construction prefab-form fixing component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105751356A CN105751356A (en) | 2016-07-13 |
| CN105751356B true CN105751356B (en) | 2018-07-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610226453.5A Active CN105751356B (en) | 2016-04-13 | 2016-04-13 | Girder construction prefab-form fixing component |
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| CN (1) | CN105751356B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111844385A (en) * | 2020-07-31 | 2020-10-30 | 山东鼎鲁建筑有限公司 | A building formwork with anti-expansion function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205133A (en) * | 1997-01-24 | 1998-08-04 | Naohisa Ishida | Upper surface single action holding jig |
| CN201486141U (en) * | 2009-03-05 | 2010-05-26 | 通州市第二建筑安装工程公司 | Clamping device of two parallel templates |
| CN201714094U (en) * | 2010-06-11 | 2011-01-19 | 中国建筑第七工程局有限公司 | Building formwork fixture |
| CN204357124U (en) * | 2014-11-20 | 2015-05-27 | 陈丹燕 | Formwork clamping and fixing device for building construction |
| CN104790659A (en) * | 2015-04-15 | 2015-07-22 | 中国建筑第二工程局有限公司 | Flexible reinforcing system of concrete column template and construction method of concrete column |
| CN204546759U (en) * | 2015-04-08 | 2015-08-12 | 中国水利水电第五工程局有限公司 | Prestressed concrete mortar leakage prevention device |
| CN205572668U (en) * | 2016-04-13 | 2016-09-14 | 成都亨通兆业精密机械有限公司 | Girder construction prefabricating formwork mounting fixture |
-
2016
- 2016-04-13 CN CN201610226453.5A patent/CN105751356B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205133A (en) * | 1997-01-24 | 1998-08-04 | Naohisa Ishida | Upper surface single action holding jig |
| CN201486141U (en) * | 2009-03-05 | 2010-05-26 | 通州市第二建筑安装工程公司 | Clamping device of two parallel templates |
| CN201714094U (en) * | 2010-06-11 | 2011-01-19 | 中国建筑第七工程局有限公司 | Building formwork fixture |
| CN204357124U (en) * | 2014-11-20 | 2015-05-27 | 陈丹燕 | Formwork clamping and fixing device for building construction |
| CN204546759U (en) * | 2015-04-08 | 2015-08-12 | 中国水利水电第五工程局有限公司 | Prestressed concrete mortar leakage prevention device |
| CN104790659A (en) * | 2015-04-15 | 2015-07-22 | 中国建筑第二工程局有限公司 | Flexible reinforcing system of concrete column template and construction method of concrete column |
| CN205572668U (en) * | 2016-04-13 | 2016-09-14 | 成都亨通兆业精密机械有限公司 | Girder construction prefabricating formwork mounting fixture |
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| Publication number | Publication date |
|---|---|
| CN105751356A (en) | 2016-07-13 |
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Effective date of registration: 20180621 Address after: 511440 Fu Lian Road, Lianhua Mountain Town, Panyu District, Guangzhou, Guangdong Applicant after: Guangdong Jian Yuan building assembly industry Co., Ltd. Address before: 610000 Longtan Industrial Park, two section of Chenghua District East Three Ring Road, Chengdu, Sichuan. Applicant before: CHENGDU HENGTONG ZHAOYE PRECISION MACHINERY CO., LTD. |
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