CN111779310A - Piston type formwork support for repairing basement roof concrete from bottom to top - Google Patents
Piston type formwork support for repairing basement roof concrete from bottom to top Download PDFInfo
- Publication number
- CN111779310A CN111779310A CN202010724897.8A CN202010724897A CN111779310A CN 111779310 A CN111779310 A CN 111779310A CN 202010724897 A CN202010724897 A CN 202010724897A CN 111779310 A CN111779310 A CN 111779310A
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- China
- Prior art keywords
- template
- support
- concrete
- outer template
- formwork
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
Abstract
The invention discloses a piston type formwork support for repairing basement roof concrete from bottom to top, which comprises an outer formwork (1), an inner formwork (2), a fixed supporting support (3) and a movable supporting support (4); the outer template is of a rectangular annular structure with a hollow middle part, the inner template is embedded in the hollow part of the outer template in a matching manner, and a gap is reserved between the inner wall of the outer template and the outer wall of the inner template; the thickness of the inner template is smaller than that of the outer template, so that an accommodating cavity is formed between the outer template and the inner template, and concrete (5) is filled in the accommodating cavity; the fixed support bracket is vertically supported below the bottom surface of the outer template, the movable support bracket is vertically supported below the bottom surface of the inner template, and the movable support bracket can longitudinally extend and retract and jack up the inner template, so that the concrete is jacked into the hole of the concrete structure. The invention can repair the hole of the concrete structure from bottom to top without damaging the structural layer above the concrete structure, and the repaired concrete has high quality.
Description
Technical Field
The invention relates to a building template structure, in particular to a piston type template bracket for repairing basement roof concrete from bottom to top.
Background
In the construction process of building engineering, due to factors such as construction procedures or human factors, holes may be formed in the concrete structure, and the safety and the appearance of the concrete structure are affected, for example, the holes are formed in a post-pouring belt of a top plate of a basement. The hole on the concrete structure needs to be repaired, and prior art's repair mode is that construction from top to bottom, if basement roof has been under construction waterproof, water proof coating, overburden layer etc. carry out the waterproof, water proof coating, overburden layer etc. that the construction of repairing from top to bottom need to destroy on the basement roof this moment, and the construction is inconvenient, and influences the construction process.
Disclosure of Invention
The invention aims to provide a piston type formwork support for repairing basement roof concrete from bottom to top, which can repair holes of a concrete structure from bottom to top on the premise of not damaging structural layers above the concrete structure and has high quality of repaired concrete.
The invention is realized by the following steps:
a piston type formwork support for repairing basement roof concrete from bottom to top comprises an outer formwork, an inner formwork, a fixed supporting support and a movable supporting support; the outer template is of a rectangular annular structure with a hollow middle part, the inner template is embedded in the hollow part of the outer template in a matching manner, and a gap is reserved between the inner wall of the outer template and the outer wall of the inner template; the thickness of the inner template is smaller than that of the outer template, so that an accommodating cavity is formed between the outer template and the inner template, and concrete is filled in the accommodating cavity; the fixed support bracket is vertically supported below the bottom surface of the outer template, the movable support bracket is vertically supported below the bottom surface of the inner template, and the movable support bracket can longitudinally extend and retract and jack up the inner template, so that the concrete is jacked into the hole of the concrete structure.
The outer template comprises an outer template batten and an outer template film-coated plate, the outer template batten is of a rectangular annular structure, and the outer template batten is completely wrapped by the outer template film-coated plate.
The inner template is internally provided with an inner template batten and an inner template film-coated plate, the inner template batten is of a rectangular annular structure, and the inner template batten is completely wrapped by the inner template film-coated plate.
The fixed support bracket comprises a first upright rod and a first support bracket; the lower end of the first vertical rod is vertically supported on the ground through a first fixing plate, the lower end of the first support bracket is coaxially sleeved at the upper end of the first vertical rod, and the upper ends of the first support brackets of the four fixed support brackets are tightly propped against the bottom surface corners of the outer template film-coated plate of the outer template respectively.
The upper end of the first support is of a U-shaped groove structure, a first ejecting block is embedded in the U-shaped groove structure, and the upper surface of the first ejecting block is attached to the bottom surface of the outer template film-coated plate.
The three first cross rods are fixed among the four first vertical rods through fixing pieces, and a support structure with three sides enclosed and one side open is formed.
The movable support bracket comprises a second upright rod, a support and a jacking screw rod; the lower end of the second vertical rod is vertically supported on the ground through a second fixing plate, the jacking screw rod and the support are coaxially screwed through threads to form a second support bracket, the support is coaxially arranged at the top of the second vertical rod, and the lower end of the jacking screw rod is coaxially inserted into the second vertical rod and ascends and descends relative to the second vertical rod through threaded rotation; the upper ends of the jacking screw rods of the four movable supporting brackets respectively prop against the corners of the bottom surface of the inner template, so that the inner template and the jacking screw rods can be lifted synchronously.
The upper end of the jacking screw rod is of a U-shaped groove structure, a second jacking block is embedded in the U-shaped groove structure, and the upper surface of the second jacking block is attached to the bottom surface of the inner formwork
Four second cross rods are arranged between the second vertical rods of the four movable supporting supports and are fixed among the four second vertical rods through fixing pieces, so that a four-side enclosed support structure is formed.
The movable support bracket drives the inner template to move up and down to form a piston type lifting structure, and the concrete can be jacked into the holes of the concrete structure from bottom to top on the premise of not damaging the structural layers above the concrete structure such as a basement roof and the like, so that the purpose of repairing the holes is achieved, the compactness of the repaired concrete in the holes is ensured, and the quality of the repaired concrete meets the construction requirements.
Drawings
FIG. 1 is a front view of a piston-type formwork support for repairing basement roof concrete from below up in accordance with the present invention;
FIG. 2 is a cross-sectional view of a piston type formwork support for repairing basement roof concrete from below up according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a top view of the piston type formwork support for repairing the concrete of the basement roof from the bottom up according to the present invention.
In the figure, 1 outer formwork, 11 outer formwork batten, 12 outer formwork laminated board, 2 inner formwork, 21 inner formwork batten, 22 inner formwork laminated board, 3 fixed support bracket, 31 first vertical rod, 32 first fixed plate, 33 first top block, 34 first cross rod, 4 movable support bracket, 41 second vertical rod, 411 second fixed plate, 42 support, 43 jacking screw rod, 44 second top block, 45 second cross rod, 5 concrete, 6 fixed parts.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1 to 4, a piston type formwork support for repairing basement roof concrete from bottom to top comprises an outer formwork 1, an inner formwork 2, a fixed support bracket 3 and a movable support bracket 4; the outer template 1 is a rectangular ring structure with a hollow middle part, the inner template 2 is embedded in the hollow part of the outer template 1 in a matching way, and a gap is reserved between the inner wall of the outer template 1 and the outer wall of the inner template 2; the thickness of the inner template 2 is smaller than that of the outer template 1, so that an accommodating cavity is formed between the outer template 1 and the inner template 2, and concrete 5 is filled in the accommodating cavity; the fixed support bracket 3 is vertically supported below the bottom surface of the outer formwork 1, the movable support bracket 4 is vertically supported below the bottom surface of the inner formwork 2, and the movable support bracket 4 can longitudinally extend and retract and jack up the inner formwork 2, so that the concrete 5 is jacked into the hole of the concrete structure.
The outer template 1 comprises an outer template batten 11 and an outer template film-coated plate 12, the outer template batten 11 is of a rectangular annular structure, the outer template film-coated plate 12 completely wraps the outer template batten 11, and the outer template film-coated plate is high in strength and convenient to manufacture. Preferably, the external dimension of the external template 1 is 1000 × 1000mm, the middle hollow dimension is 600 × 600mm, the middle hollow dimension can cover the size of the holes, and the annular width of the external template 1 is 200 mm. The outer template laminated board 12 is made of a laminated multilayer board with the thickness of 15mm, the outer template laminated board 12 can ensure the strength and the smoothness of the outer template 1, the friction force between the inner wall of the outer template 1 and the outer wall of the inner template 2 is reduced, and the outer template batten 11 is made of 50 x 85mm longitudinal wooden keels and 50 x 100mm @500mm transverse wooden keels through splicing.
The inner die plate 2 is internally provided with an inner die plate batten 21 and an inner die plate film-coated plate 22, the inner die plate batten 21 is of a rectangular annular structure, the inner die plate film-coated plate 22 completely wraps the inner die plate batten 21, and the inner die plate film-coated plate is high in strength and convenient to manufacture. Preferably, the size of the inner template 2 is 595 x 60mm, the inner template batten 21 is made by splicing four battens 30 x 100mm, and the inner template film-coated plate 22 is made by a film-coated multilayer plate with the thickness of 15 mm. The clearance width between the inner wall of exterior sheathing 1 and the outer wall of interior sheathing 2 is 2.5mm, and this clearance width is confirmed according to concrete 5's material, and the clearance width can ensure that concrete 5 fills can not spill in the clearance after holding the cavity, does not also influence the jacking of interior sheathing 2 and concrete 5 can.
The fixed support bracket 3 comprises a first upright rod 31 and a first support 32; the lower end of the first vertical rod 31 is vertically supported on the ground through the first fixing plate 311, the lower end of the first support 32 is coaxially sleeved at the upper end of the first vertical rod 31, and the upper ends of the first supports 32 of the four fixed support brackets 3 are respectively tightly propped against the bottom surface corner of the outer formwork film covering plate 12 of the outer formwork 1, so that the outer formwork 1 can be stably supported. Preferably, the first vertical rod 31 can be made of steel pipe with a diameter of 48mm and a wall thickness of 3.5mm, and the length of the first vertical rod 31 is determined according to the story height of the construction site.
The upper end of the first support 32 is of a U-shaped groove structure, a first top block 33 is embedded in the U-shaped groove structure, the upper surface of the first top block 33 is attached to the bottom surface of the outer template film-coated plate 12, the contact area is increased, and the support stability of the fixed support bracket 3 for the outer template 1 is ensured. Preferably, the first top block 33 may be made of 50 x 100mm wood.
The first vertical rods 31 of the four fixed supporting brackets 3 are provided with three first cross rods 34, the three first cross rods 34 are fixed among the four first vertical rods 31 through fixing pieces 6 such as cross fasteners, a supporting structure with three sides enclosed and one side open is formed, and the movable supporting bracket 4 is convenient to place into the fixed supporting brackets 3. Preferably, the length of the first cross bar 34 is 1200mm, and the first cross bar 34 can be arranged in multiple layers at intervals of 900mm along the height direction of the first vertical rod 31, so as to improve the stability and the bearing capacity of the support system formed by the four fixed support brackets 3.
The movable support bracket 4 comprises a second vertical rod 41, a support 42 and a jacking screw rod 43; the lower end of the second vertical rod 41 is vertically supported on the ground through the second fixing plate 411, the jacking screw 43, the second vertical rod 41 and the support 42 are coaxially screwed through threads to form a second support bracket, the support 42 is coaxially installed at the top of the second vertical rod 41, and the lower end of the jacking screw 43 is coaxially inserted into the second vertical rod 41 and vertically ascends and descends relative to the second vertical rod 41 through threaded rotation; the upper ends of the jacking screws 43 of the four movable supporting brackets 4 respectively jack against the corners of the bottom surface of the inner template 2, so that the inner template 2 and the jacking screws 43 can be lifted synchronously, and the inner template 2 can be stably supported and jacked. Preferably, the second vertical rod 41 can be made of steel pipe with a diameter of 48mm and a wall thickness of 3.5mm, and the length of the second vertical rod 41 is determined according to the story height of the construction site
The first support 32 can also adopt a structure of a support and a jacking screw rod, so that the first support has an up-and-down adjusting function, and the supporting height of the outer formwork 1 is ensured to meet the construction requirements.
The upper end of the jacking screw 43 is of a U-shaped groove structure, the second jacking block 44 is embedded in the U-shaped groove structure, the upper surface of the second jacking block 44 is attached to the bottom surface of the inner formwork 2, the contact area is increased, and the supporting and jacking stability of the movable supporting bracket 4 on the inner formwork 2 is ensured. Preferably, the second top block 44 may be 50 x 100mm square.
Four second cross rods 45 are arranged between the second vertical rods 41 of the four movable supporting brackets 4, the four second cross rods 45 are fixed between the four second vertical rods 41 through fixing pieces 6 such as cross fasteners, the four-side surrounding support structure is formed, and the stress balance and jacking stability of the inner formwork 2 are guaranteed. Preferably, the length of the second cross bar 45 is 800mm, and the second cross bar 45 can be arranged in multiple layers at intervals of 900mm along the height direction of the second vertical rod 41, so as to improve the stability and the bearing capacity of the support system formed by the four movable support brackets 4.
When the concrete filling device is used, the inner template 2 is embedded into the hollow middle part of the outer template 1, a 2-3mm gap is reserved between the edge of the inner template 2 and the inner wall of the outer template 1, the smooth lifting action of the inner template 2 is ensured, and concrete 5 is filled in a containing cavity formed between the outer template 1 and the inner template 2. All set up fixed stay support 3 in four edges in the bottom of exterior sheathing 1, fixed stay support 3 highly confirms according to concrete structure's elevation, ensures that first kicking block 33 can push up tightly on exterior sheathing 1 bottom surface, and make the top surface of exterior sheathing 1 push up tightly on concrete structure's bottom surface can. Four corners in the bottom of inner formword 2 all set up movable support 4, and the height of movable support 4 is according to the height determination of fixed support 3, and the jacking range of the jacking screw 43 of movable support 4 can cover concrete structure's thickness, the high scope of hole promptly.
The jacking screw 43 is rotated by the screw threads, the screw thread rotation between the jacking screw 43 and the support 42 is converted into the axial linear motion of the jacking screw 43, so that the jacking screw 43 jacks up the inner formwork 2 and the concrete 5 when rotating and lifting, and the concrete 5 is pushed into the hole, thereby realizing the repair of the hole.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a piston template support that is used for repairing basement roof concrete from bottom to top, characterized by: comprises an outer template (1), an inner template (2), a fixed support bracket (3) and a movable support bracket (4); the outer template (1) is of a rectangular annular structure with a hollow middle part, the inner template (2) is embedded in the hollow part of the outer template (1) in a matching manner, and a gap is reserved between the inner wall of the outer template (1) and the outer wall of the inner template (2); the thickness of the inner template (2) is smaller than that of the outer template (1), so that an accommodating cavity is formed between the outer template (1) and the inner template (2), and concrete (5) is filled in the accommodating cavity; the fixed support bracket (3) is vertically supported below the bottom surface of the outer template (1), the movable support bracket (4) is vertically supported below the bottom surface of the inner template (2), and the movable support bracket (4) can longitudinally extend and retract and jack up the inner template (2) so that the concrete (5) is jacked into the hole of the concrete structure.
2. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 1, characterized in that: the outer template (1) comprises an outer template batten (11) and an outer template film-coated plate (12), wherein the outer template batten (11) is of a rectangular annular structure, and the outer template film-coated plate (12) completely wraps the outer template batten (11).
3. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 1, characterized in that: the inner formwork (2) is internally provided with an inner formwork batten (21) and an inner formwork film-coated plate (22), the inner formwork batten (21) is of a rectangular annular structure, and the inner formwork film-coated plate (22) completely wraps the inner formwork batten (21).
4. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 1, characterized in that: the fixed support bracket (3) comprises a first upright rod (31) and a first supporting bracket (32); the lower end of the first vertical rod (31) is vertically supported on the ground through a first fixing plate (311), the lower end of a first support bracket (32) is coaxially sleeved at the upper end of the first vertical rod (31), and the upper ends of the first support brackets (32) of the four fixed support brackets (3) are respectively tightly propped against the bottom surface corners of the outer template film-coated plate (12) of the outer template (1).
5. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 4, characterized in that: the upper end of the first support (32) is in a U-shaped groove structure, a first top block (33) is embedded in the U-shaped groove structure, and the upper surface of the first top block (33) is attached to the bottom surface of the outer template film-coated plate (12).
6. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 4, characterized in that: the supporting structure is characterized in that three first cross rods (34) are arranged between the first vertical rods (31) of the four fixed supporting brackets (3), and the three first cross rods (34) are fixed between the four first vertical rods (31) through fixing pieces (6) to form a supporting structure with three sides enclosed and one side open.
7. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 1, characterized in that: the movable support bracket (4) comprises a second vertical rod (41), a support (42) and a jacking screw rod (43); the lower end of the second upright rod (41) is vertically supported on the ground through a second fixing plate (411), a jacking screw rod (43) and a support (42) are coaxially screwed through threads to form a second support bracket, the support (42) is coaxially installed at the top of the second upright rod (41), and the lower end of the jacking screw rod (43) is coaxially inserted into the second upright rod (41) and is vertically lifted relative to the second upright rod (41) through the screwing of the threads; the upper ends of the jacking screw rods (43) of the four movable supporting brackets (4) respectively prop against the corners of the bottom surface of the inner template (2), so that the inner template (2) and the jacking screw rods (43) are lifted synchronously.
8. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 7, characterized in that: the upper end of the jacking screw rod (43) is of a U-shaped groove structure, a second jacking block (44) is embedded in the U-shaped groove structure, and the upper surface of the second jacking block (44) is attached to the bottom surface of the inner formwork (2).
9. The piston-type formwork support for repairing basement roof concrete from bottom to top as claimed in claim 1, characterized in that: four second cross rods (45) are arranged between the second upright rods (41) of the four movable supporting brackets (4), and the four second cross rods (45) are fixed among the four second upright rods (41) through fixing pieces (6) to form a four-side surrounding bracket structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724897.8A CN111779310A (en) | 2020-07-24 | 2020-07-24 | Piston type formwork support for repairing basement roof concrete from bottom to top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010724897.8A CN111779310A (en) | 2020-07-24 | 2020-07-24 | Piston type formwork support for repairing basement roof concrete from bottom to top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111779310A true CN111779310A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010724897.8A Pending CN111779310A (en) | 2020-07-24 | 2020-07-24 | Piston type formwork support for repairing basement roof concrete from bottom to top |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566010A (en) * | 2009-03-25 | 2009-10-28 | 江苏建华建设有限公司 | Compaction forming construction method of concrete poured on the base of structure and device thereof |
| CN106368245A (en) * | 2015-07-23 | 2017-02-01 | 浙江国泰建设集团有限公司 | Construction method for post-cast strip supporting formwork easy to clean |
| JP2017128929A (en) * | 2016-01-20 | 2017-07-27 | 株式会社 南組 | Repair panel support and repair method using repair panel support |
| CN206360402U (en) * | 2017-01-03 | 2017-07-28 | 无锡市天宇民防建筑设计研究院有限公司 | Basement roof ruggedized construction |
| CN210122827U (en) * | 2019-05-28 | 2020-03-03 | 中国能源建设集团辽宁电力勘测设计院有限公司 | Jacking type steel plate reinforcing structure |
-
2020
- 2020-07-24 CN CN202010724897.8A patent/CN111779310A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566010A (en) * | 2009-03-25 | 2009-10-28 | 江苏建华建设有限公司 | Compaction forming construction method of concrete poured on the base of structure and device thereof |
| CN106368245A (en) * | 2015-07-23 | 2017-02-01 | 浙江国泰建设集团有限公司 | Construction method for post-cast strip supporting formwork easy to clean |
| JP2017128929A (en) * | 2016-01-20 | 2017-07-27 | 株式会社 南組 | Repair panel support and repair method using repair panel support |
| CN206360402U (en) * | 2017-01-03 | 2017-07-28 | 无锡市天宇民防建筑设计研究院有限公司 | Basement roof ruggedized construction |
| CN210122827U (en) * | 2019-05-28 | 2020-03-03 | 中国能源建设集团辽宁电力勘测设计院有限公司 | Jacking type steel plate reinforcing structure |
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