CN105751356A - Beam structure prefabricated formwork fixing component - Google Patents
Beam structure prefabricated formwork fixing component Download PDFInfo
- Publication number
- CN105751356A CN105751356A CN201610226453.5A CN201610226453A CN105751356A CN 105751356 A CN105751356 A CN 105751356A CN 201610226453 A CN201610226453 A CN 201610226453A CN 105751356 A CN105751356 A CN 105751356A
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- Prior art keywords
- bolt
- push pedal
- hold
- spring
- pedal assembly
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- 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
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- 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 a beam structure prefabricated formwork fixing component, which comprises a plate frame and two press plates, wherein the two press plates have opposite relationship; a gap used for clamping a formwork is formed between the two press plates; the beam structure prefabricated formwork fixing component also comprises push plate assemblies respectively corresponding to different press plates; the push plate assembly of each press plate is used for pushing the press plate to move towards one side of the other press plate; the push plate assembly comprises a compression screw bolt, a spring and an anti-loosening screw bolt; the compression screw bolt is connected onto the plate frame through screw threads; the compression screw bolt is in contact with the outer side surface of the corresponding press plate; the anti-loosening screw bolt is connected onto the plate frame through screw threads; the axial line of the anti-loosening screw bolt is parallel to the axial line of the corresponding compression screw bolt; the spring is arranged between the corresponding press plate and the corresponding anti-loosening screw bolt. The clamp is applicable to the manufacturing of the beam structure prefabricated components with complicated shapes, and can reach the technical effect that in the prefabricated component curing process, the slurry leakage quantity is reduced, or the slurry leakage is avoided.
Description
Technical field
The present invention relates to the prefabricated apparatus field of concrete component, particularly relate to the fixing component of a kind of girder construction prefab-form.
Background technology
The phenomenon in crack occurs too early in order to make up concrete, used (loading) in the past at component, give one precompression of concrete in advance, namely, in concrete tensile region, by artificial afterburning method, reinforcing bar is carried out stretch-draw, utilize the retraction force of reinforcing bar, make concrete in tension district be stressed in advance.The precharge pressure that this storage is got off, when component bears by external load generation pulling force, first the precompression in concrete in tension zone is offset, then increase with load, just make concrete in tension, which limits concrete elongation, delay or do not make crack occur, the concrete of this kind of form is prestressed concrete.There is the advantages such as vertical shear and the principal tensile stress that crack resistance is good, rigidity big, it is little to conduct oneself with dignity, can reduce beams of concrete due to prestressed concrete, stability and the fatigue performance of compression member can be significantly improved, there is the applying value of excellence in existing building is constructed.
Prestressed concrete casting process is directed to prevent the link of serosity seepage during concreting, and the effect of many mortar leakage prevention technology all fails to get a desired effect, and causes the quality directly affecting efficiency of construction and concreting.Typically now all use steel plate directly contact with steel plate and compress, increase and only starch bar etc., prevent concrete slurry seepage, but the method not only adds certain difficulty to construction, also fails to reach desirable mortar leakage prevention effect.
Summary of the invention
For the link of serosity seepage when being directed to prevent concreting in above-mentioned prestressed concrete casting process, and the effect of many mortar leakage prevention technology all fails to get a desired effect, the problem causing directly affecting the quality of efficiency of construction and concreting, the invention provides the fixing component of a kind of girder construction prefab-form.
For solving the problems referred to above, the fixing component of girder construction prefab-form provided by the invention solves problem by techniques below main points: girder construction prefab-form fixes component, including grillage and two block pressur plates, two block pressur plates are in just to relation, there is between two block pressur plates the gap for clamping template, also including push pedal assembly corresponding from different pressing plates respectively, the push pedal assembly of each pressing plate is used for promoting this pressing plate to another block pressur plate one lateral movement；
Described push pedal assembly includes hold-down bolt, spring and check bolt, and described hold-down bolt is threadedly connected on grillage, and described hold-down bolt contacts with the lateral surface of corresponding pressing plate；
Described check bolt is threadedly connected on grillage, and the axis of check bolt is parallel with the axis of corresponding hold-down bolt, described spring is arranged between pressing plate and the corresponding check bolt of correspondence, in working order, both ends of the spring is in elastic compression by the compressive stress of corresponding pressing plate and corresponding check bolt respectively.
Concrete, above fixture is for the clamping of concrete prefabricated element template, and to insert concrete mortar in the template after clamping, so, template, as the die cavity of concrete mortar, obtains required concrete prefabricated element after concrete mortar solidification.In prior art, for reducing concrete mortar amount of contraction in process of setting, extender generally can be added in concrete mortar, but, generally concrete mortar still has small contraction, for prestressed concrete, and the important origin cause of formation of serosity seepage when above contraction is to build.
In this case, when template closes mould, by rotating hold-down bolt, the end of hold-down bolt acts on the outside of corresponding pressing plate, change the gap width between two block pressur plates, in above gap after fill concrete mortar, can pass through to rotate the check bolt in two push pedal assemblies, the spring in two push pedal assemblies is made to produce the elastic deformation in compressive state, above elastic deformation is the thrust that corresponding pressing plate produces to point to another pressing plate, so, in mixed earth mortar solidification process, if concrete mortar shrinks, the produced elastic force of above spring deformation forces template and mixed earth mortar, mixed earth mortar and sealing strip, fit tightly between sealing strip and template, reach reduce spillage amount or avoid the technique effect of spillage.
In this case, to the version all configuring hold-down bolt, spring and check bolt on the pressing plate of prefab-form both sides, mixed earth mortar is after shrinking, under the elastic force of spring, when the pressing plate of prefabricated component both sides and corresponding templates laminating, the change in location of each pressing plate or angle change the change in location by another block pressur plate or angle change affects little, so, this fixture can be made to be applicable to complex-shaped girder construction prefabricated component and make.
This case use time, after adjusting two pieces of spacing, before fill concrete mortar, can increase between two block pressur plates piece two ends respectively with the distance rod of both interior side contacts, it is preferable that distance rod is positioned at the upper end in gap, again through check bolt compression spring.After fill concrete mortar, treat that concrete mortar is cured to a certain degree, when namely concrete mortar has some strength, then remove distance rod, to avoid the elastic force of spring that the size of die cavity between two pressing plates is impacted.
Further technical scheme is:
As a kind of concrete scheme being easily achieved, described grillage takes the shape of the letter U, and two block pressur plates lay respectively at the inner side of grillage opening not homonymy.In above structure, the side of grillage, the compression for complete paired springs and the adjustment to press plate position can be threadedly connected to by check bolt and hold-down bolt simultaneously.
Owing to the amount of contraction of mixed earth mortar is less relative to gap width between two pressing plates, therefore for the benefit of mortar leakage prevention effect, it is preferable that select the spring that coefficient of elasticity is bigger, described spring all groups of springs for being formed by stacking by multiple disk springs.
For avoiding pressing plate to occur under stress excessive crooked playing of spring and affect the laminating quality of pressing plate and corresponding templates, spring and hold-down bolt in each push pedal assembly are one, the axis of spring and the axis collinear of hold-down bolt in this push pedal assembly in each push pedal assembly, each push pedal assembly also includes and the locking plate of hold-down bolt matched in clearance in this push pedal assembly, described locking plate is arranged between spring and the check bolt in this push pedal assembly, described locking plate is used for the Stress Transfer in this push pedal assembly between spring and check bolt, more than one of described check bolt, and different check bolt is arranged in this push pedal assembly the not homonymy of hold-down bolt.
For avoiding pressing plate to occur under stress excessive crooked playing of spring and affect the laminating quality of pressing plate and corresponding templates, spring in each push pedal assembly is many, the quantity of the hold-down bolt in each push pedal assembly is one, many springs in each push pedal assembly are uniform in the form of a ring relative to the axis of hold-down bolt, each push pedal assembly also includes and the locking plate of hold-down bolt matched in clearance, described locking plate is arranged between spring and check bolt, described locking plate is for the Stress Transfer between spring and check bolt, more than one of described check bolt, and difference check bolt is arranged at the not homonymy of hold-down bolt.
For ease of rotating hold-down bolt and check bolt, described hold-down bolt and check bolt are provided with the turning handle for braking each autorotation.
The method have the advantages that
In this case, when template closes mould, by rotating hold-down bolt, the end of hold-down bolt acts on the outside of corresponding pressing plate, change the gap width between two block pressur plates, in above gap after fill concrete mortar, can pass through to rotate the check bolt in two push pedal assemblies, the spring in two push pedal assemblies is made to produce the elastic deformation in compressive state, above elastic deformation is the thrust that corresponding pressing plate produces to point to another pressing plate, so, in mixed earth mortar solidification process, if concrete mortar shrinks, the produced elastic force of above spring deformation forces template and mixed earth mortar, mixed earth mortar and sealing strip, fit tightly between sealing strip and template, reach reduce spillage amount or avoid the technique effect of spillage.
In this case, to the version all configuring hold-down bolt, spring and check bolt on the pressing plate of prefab-form both sides, mixed earth mortar is after shrinking, under the elastic force of spring, when the pressing plate of prefabricated component both sides and corresponding templates laminating, the change in location of each pressing plate or angle change the change in location by another block pressur plate or angle change affects little, so, this fixture can be made to be applicable to complex-shaped girder construction prefabricated component and make.
Accompanying drawing explanation
Fig. 1 is the structural representation of fixing one specific embodiment of component of girder construction prefab-form of the present invention.
Figure acceptance of the bid note is respectively as follows: 1, turning handle, and 2, pressing plate, 3, grillage, 4, check bolt, 5, locking plate, 6, hold-down bolt, 7, spring.
Detailed description of the invention
The invention provides the fixing component of a kind of girder construction prefab-form, for solving: prior art is directed to prevent in prestressed concrete casting process the link of serosity seepage during concreting, and the effect of many mortar leakage prevention technology all fails to get a desired effect, the problem causing directly affecting the quality of efficiency of construction and concreting.Below in conjunction with embodiment, the present invention is described in further detail, but the present invention is not limited only to following example:
Embodiment 1:
As shown in Figure 1, girder construction prefab-form fixes component, including grillage 3 and two block pressur plates 2, two block pressur plates 2 are in just to relation, there is between two block pressur plates 2 gap for clamping template, also including push pedal assembly corresponding from different pressing plates 2 respectively, the push pedal assembly of each pressing plate 2 is used for promoting this pressing plate 2 to another block pressur plate 2 one lateral movement；
Described push pedal assembly includes hold-down bolt 6, spring 7 and check bolt 4, and described hold-down bolt 6 is threadedly connected on grillage 3, and described hold-down bolt 6 contacts with the lateral surface of corresponding pressing plate 2；
Described check bolt 4 is threadedly connected on grillage 3, and the axis of check bolt 4 is parallel with the axis of corresponding hold-down bolt 6, described spring 7 is arranged between pressing plate 2 and the corresponding check bolt 4 of correspondence, in working order, spring 7 two ends are in elastic compression by the compressive stress of corresponding pressing plate 2 and corresponding check bolt 4 respectively.
Concrete, above fixture is for the clamping of concrete prefabricated element template, and to insert concrete mortar in the template after clamping, so, template, as the die cavity of concrete mortar, obtains required concrete prefabricated element after concrete mortar solidification.In prior art, for reducing concrete mortar amount of contraction in process of setting, extender generally can be added in concrete mortar, but, generally concrete mortar still has small contraction, for prestressed concrete, and the important origin cause of formation of serosity seepage when above contraction is to build.
In this case, when template closes mould, by rotating hold-down bolt 6, the end of hold-down bolt 6 acts on the outside of corresponding pressing plate 2, change the gap width between two block pressur plates 2, in above gap after fill concrete mortar, can pass through to rotate the check bolt 4 in two push pedal assemblies, the spring 7 in two push pedal assemblies is made to produce the elastic deformation in compressive state, above elastic deformation is the thrust that corresponding pressing plate 2 produces to point to another pressing plate 2, so, in mixed earth mortar solidification process, if concrete mortar shrinks, elastic force produced by above spring 7 elastic deformation forces template and mixed earth mortar, mixed earth mortar and sealing strip, fit tightly between sealing strip and template, reach reduce spillage amount or avoid the technique effect of spillage.
In this case, to the version all configuring hold-down bolt 6, spring 7 and check bolt 4 on the pressing plate 2 of prefab-form both sides, mixed earth mortar is after shrinking, under the elastic force of spring 7, when the pressing plate 2 of prefabricated component both sides and corresponding templates laminating, the change in location of each pressing plate 2 or angle change the change in location by another block pressur plate 2 or angle change affects little, so, this fixture can be made to be applicable to complex-shaped girder construction prefabricated component and make.
This case use time, after adjusting two pieces of spacing, before fill concrete mortar, can increase between two block pressur plates 2 two ends respectively with the distance rod of both interior side contacts, it is preferable that distance rod is positioned at the upper end in gap, compresses spring 7 again through check bolt 4.After fill concrete mortar, treat that concrete mortar is cured to a certain degree, when namely concrete mortar has some strength, then remove distance rod, to avoid the elastic force of spring 7 that the size of die cavity between two pressing plates 2 is impacted.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as it is shown in figure 1, as a kind of concrete scheme being easily achieved, described grillage 3 takes the shape of the letter U, two block pressur plates 2 lay respectively at the inner side of grillage 3 opening not homonymy.In above structure, the side of grillage 3 can be threadedly connected to by check bolt 4 and hold-down bolt 6, for the compression of complete paired springs 7 and the adjustment to pressing plate 2 position simultaneously.
Owing to the amount of contraction of mixed earth mortar is less relative to gap width between two pressing plates 2, therefore for the benefit of mortar leakage prevention effect, it is preferable that select the spring that coefficient of elasticity is bigger, described spring 7 all groups of springs for being formed by stacking by multiple disk springs.
For avoiding pressing plate 2 to occur under stress excessive crooked playing of spring 7 and affect the laminating quality of pressing plate 2 and corresponding templates, spring 7 and hold-down bolt 6 in each push pedal assembly are one, the axis of spring 7 and the axis collinear of hold-down bolt 6 in this push pedal assembly in each push pedal assembly, each push pedal assembly also includes and the locking plate 5 of hold-down bolt 6 matched in clearance in this push pedal assembly, described locking plate 5 is arranged between the spring 7 in this push pedal assembly and check bolt 4, the Stress Transfer that described locking plate 5 is used in this push pedal assembly between spring 7 and check bolt 4, more than one of described check bolt 4, and different check bolt 4 is arranged in this push pedal assembly the not homonymy of hold-down bolt 6.
Embodiment 3:
The present invention is further qualified by the present embodiment on the basis of embodiment 1, as shown in Figure 1, for avoiding pressing plate 2 to occur under stress excessive crooked playing of spring 7 and affect the laminating quality of pressing plate 2 and corresponding templates, spring 7 in each push pedal assembly is many, the quantity of the hold-down bolt 6 in each push pedal assembly is one, many springs 7 in each push pedal assembly are uniform in the form of a ring relative to the axis of hold-down bolt 6, each push pedal assembly also includes and the locking plate 5 of hold-down bolt 6 matched in clearance, described locking plate 5 is arranged between spring 7 and check bolt 4, described locking plate 5 is for the Stress Transfer between spring 7 and check bolt 4, more than one of described check bolt 4, and difference check bolt 4 is arranged at the not homonymy of hold-down bolt 6.
Embodiment 4:
The present embodiment is further qualified on the basis of one embodiment of any of the above, as it is shown in figure 1, for ease of rotating hold-down bolt 6 and check bolt 4, described hold-down bolt 6 and check bolt 4 are provided with the turning handle 1 for braking each autorotation.
Above content is the further description present invention made in conjunction with concrete preferred implementation, it is impossible to assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from other embodiments drawn under technical scheme, should be included in protection scope of the present invention.
Claims (6)
1. the fixing component of girder construction prefab-form, including grillage (3) and two block pressur plates (2), two block pressur plates (2) are in just to relation, there is between two block pressur plates (2) gap for clamping template, it is characterized in that, also including push pedal assembly corresponding from different pressing plates (2) respectively, the push pedal assembly of each pressing plate (2) is used for promoting this pressing plate (2) to another block pressur plate (2) one lateral movement；
Described push pedal assembly includes hold-down bolt (6), spring (7) and check bolt (4), and described hold-down bolt (6) is threadedly connected on grillage (3), and described hold-down bolt (6) contacts with the lateral surface of corresponding pressing plate (2)；
Described check bolt (4) is threadedly connected on grillage (3), and the axis of check bolt (4) is parallel with the axis of corresponding hold-down bolt (6), described spring (7) is arranged between pressing plate (2) and the corresponding check bolt (4) of correspondence, in working order, spring (7) two ends are in elastic compression by the compressive stress of corresponding pressing plate (2) and corresponding check bolt (4) respectively.
2. the fixing component of girder construction prefab-form according to claim 1, it is characterised in that described grillage (3) takes the shape of the letter U, and two block pressur plates (2) lay respectively at the inner side of grillage (3) opening not homonymy.
3. the fixing component of girder construction prefab-form according to claim 1, it is characterised in that described spring (7) all groups of springs for being formed by stacking by multiple disk springs.
4. the fixing component of girder construction prefab-form according to claim 1, it is characterized in that, spring (7) and hold-down bolt (6) in each push pedal assembly are one, the axis of spring (7) and the axis collinear of hold-down bolt (6) in this push pedal assembly in each push pedal assembly, each push pedal assembly also includes and the locking plate (5) of hold-down bolt (6) matched in clearance in this push pedal assembly, described locking plate (5) is arranged between the spring (7) in this push pedal assembly and check bolt (4), described locking plate (5) is for Stress Transfer between spring (7) and check bolt (4) in this push pedal assembly, more than one of described check bolt (4), and different check bolt (4) is arranged in this push pedal assembly the not homonymy of hold-down bolt (6).
5. the fixing component of girder construction prefab-form according to claim 1, it is characterized in that, spring (7) in each push pedal assembly is many, the quantity of the hold-down bolt (6) in each push pedal assembly is one, many springs (7) in each push pedal assembly are uniform in the form of a ring relative to the axis of hold-down bolt (6), each push pedal assembly also includes the locking plate (5) with hold-down bolt (6) matched in clearance, described locking plate (5) is arranged between spring (7) and check bolt (4), described locking plate (5) is for the Stress Transfer between spring (7) and check bolt (4), more than one of described check bolt (4), and difference check bolt (4) is arranged at the not homonymy of hold-down bolt (6).
6. the fixing component of girder construction prefab-form as claimed in any of claims 1 to 5, it is characterised in that described hold-down bolt (6) and be provided with the turning handle (1) for braking each autorotation on check bolt (4).
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 |
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| Publication Number | Publication Date |
|---|---|
| CN105751356A true CN105751356A (en) | 2016-07-13 |
| CN105751356B CN105751356B (en) | 2018-07-27 |
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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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844385A (en) * | 2020-07-31 | 2020-10-30 | 山东鼎鲁建筑有限公司 | Building template with prevent inflation 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 | A kind of template clamping and fixing device of building operations |
| 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 formworks and concrete column construction method |
| 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 | A kind of template clamping and fixing device of building operations |
| 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 formworks and concrete column construction method |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111844385A (en) * | 2020-07-31 | 2020-10-30 | 山东鼎鲁建筑有限公司 | Building template with prevent inflation function |
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| CN105751356B (en) | 2018-07-27 |
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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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