CN220704538U - Beam bottom formwork structure of limited space under construction is done in contrary - Google Patents
Beam bottom formwork structure of limited space under construction is done in contrary Download PDFInfo
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- CN220704538U CN220704538U CN202321904966.9U CN202321904966U CN220704538U CN 220704538 U CN220704538 U CN 220704538U CN 202321904966 U CN202321904966 U CN 202321904966U CN 220704538 U CN220704538 U CN 220704538U
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- lifting
- lifting seat
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- bearing seat
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000009415 formwork Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000011449 brick Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003490 calendering Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a beam bottom formwork structure of a limited space lower structure in reverse construction, which relates to the technical field of building construction, and comprises a bearing seat: the bearing seat is placed below the structural beam, the lifting seat is driven to lift through the lifting driving device, the top end of the lifting seat is in contact with the structural beam side die, the lifting driving device can limit the lifting seat to a certain extent, the lifting seat supports the beam side die, the limiting plates are covered on two sides of the beam side die, after the lifting seat ascends, the lifting seat can be further supported through the supporting frame, the stability of the lifting seat is reinforced, the lifting seat is not supported by the supporting frame through the driving translation mechanism, the lifting seat is reset through the driving of the lifting driving device, and therefore the beam side die can be supported temporarily, and the construction efficiency can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a beam bottom formwork structure of a limited space in reverse construction.
Background
The reverse construction technology is that before the foundation pit is excavated, firstly, an underground continuous wall supporting structure is constructed along the outer wall of the basement of the building, pile foundation construction is carried out, reinforced concrete columns are poured, steel columns which are in butt joint with the concrete columns or pile foundations are installed, then, a first floor slab is constructed, and the underground continuous wall, the pile foundations and the columns are connected together through the first floor slab to serve as a supporting structure for bearing the dead weight of an upper structure and the construction load during construction. Reverse construction technology is the most advanced construction technology method for high-rise buildings.
In the reverse construction, the traditional process is to excavate earthwork below the beam side die and pour a cushion layer, and as a bottom die of the structural beam, the beam side die is supported on the cushion layer, but when the structural beam is supported in the mode, a brick die is mostly built, after the brick is built, the top of the brick die is required to be leveled and calendered on the brick die through cement mortar, the process needs longer time to be completed, and the structural beam side die is difficult to support in the process, so that the construction efficiency is very influenced, and certain inconvenience exists.
Disclosure of Invention
The utility model aims to provide a formwork supporting structure for a lower structural beam bottom in a limited space in reverse construction, and aims to solve the problems that when a structural beam is supported in the prior art, most of the formwork supporting structure adopts a masonry brick forming die, after the masonry is completed, the top of the brick forming die is required to be leveled and calendered through cement mortar on the brick forming die, the process needs a long time to complete, and in the process, the side die of the structural beam is difficult to support, so that the construction efficiency is very influenced, and a certain inconvenience exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a restricted space under construction beam bottom formwork structure in contrary construction, includes the bearing seat: the height of the bearing seat can be adjusted according to the height between the beam side die and the ground; the bearing seat consists of a base and a lifting seat, and the lifting seat can lift along the height direction of the base; lifting driving device: the lifting seat is arranged in the bearing seat and used for driving the lifting seat to adjust the height, so that the top surface of the lifting seat is in jacking contact with the lower end of the side die of the structural beam; the top surface of the lifting seat and the side die of the structural beam jointly form a structural beam pouring cavity; a supporting frame: the lifting driving device is used for driving the bearing seat to move to be pressed against the lower end of the side die of the structural beam, and the supporting frame is used for positioning the height of the bearing seat.
According to a further technical scheme, the lifting driving device comprises a sliding groove arranged in the base, two sliding blocks are connected in the sliding groove in a sliding mode, the sliding blocks can move in the sliding groove along the width direction of the base, connecting rods are hinged to the two sliding blocks, one ends of the connecting rods, far away from the sliding blocks, are hinged to the inner top wall of the lifting base, connecting plates are fixedly connected to the two sliding blocks, two threaded rods are connected to the inner threads of the connecting plates, and one ends of the two threaded rods extend to the outside of the base.
According to a further technical scheme, the support frame comprises a through groove formed in the side face of the lifting seat, a rack is fixedly connected to the inner top wall of the through groove, two gears are arranged in the through groove and meshed with the rack, two connecting shafts are mounted on the side face of the base, support rods are rotatably connected to the surfaces of the two connecting shafts, and one ends, far away from the connecting shafts, of the two support rods are connected with the gears through one-way bearings.
According to the technical scheme, the front side and the rear side of the bearing seat are provided with the translation mechanisms, so that the gear is pulled out of the through groove to be separated from the rack.
According to a further technical scheme, the translation mechanism comprises a moving plate sleeved on the surface of the connecting shaft, two ends of the moving plate are respectively hinged with two support rods, a unidirectional threaded rod is connected with the moving plate in a threaded manner, and one end of the unidirectional threaded rod, which is close to the base, is connected with the base in a rotating manner.
According to the further technical scheme, two limiting plates are fixedly connected to the lifting seat and located on the outer sides of the two side dies of the structural beam so as to clamp the two side dies in the front-rear direction.
The beneficial effects of the utility model are as follows:
the bearing seat is placed below the structural beam, the lifting seat is driven to lift through the lifting driving device, the top end of the lifting seat is in contact with the beam side die, the lifting driving device can limit the lifting seat to a certain extent, the lifting seat supports the beam side die, the limiting plates are covered on two sides of the beam side die, after the lifting seat ascends, the lifting seat can be further supported through the supporting frame, the stability of the lifting seat is reinforced, the lifting seat is not supported by the supporting frame through the driving translation mechanism, the lifting seat is reset through the driving of the lifting driving device, and therefore the beam side die can be conveniently supported temporarily, and the construction efficiency can be effectively improved.
Drawings
Fig. 1 is a front view in an embodiment of the present utility model.
Fig. 2 is a partial structural cross-sectional view in a side view in an embodiment of the utility model.
Fig. 3 is an enlarged schematic view of the structure a in fig. 1 in an embodiment of the present utility model.
In the figure: 1. a bearing seat; 11. a base; 12. a lifting seat; 2. a lifting driving device; 21. a chute; 22. a slide block; 23. a connecting rod; 24. a connecting plate; 25. a two-way threaded rod; 3. a support frame; 31. a through groove; 32. a rack; 33. a gear; 34. a support rod; 35. a connecting shaft; 4. a translation mechanism; 41. a moving plate; 42. a one-way threaded rod; 5. and a limiting plate.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
As shown in fig. 1-3, a beam bottom formwork structure of a limited space under construction by reverse construction comprises a bearing seat 1, wherein the height of the bearing seat 1 can be adjusted according to the height between a beam side formwork and the ground, so that the beam side formwork is supported, a lifting driving device 2 is arranged in the bearing seat 1 and used for driving the bearing seat 1 to adjust, the top end of the bearing seat 1 is contacted with the beam side formwork, a supporting frame 3 is arranged on the bearing seat 1, and after the lifting driving device 2 drives the bearing seat 1 to adjust, the supporting frame 3 can position the height of the bearing seat 1 and support the beam side formwork.
As shown in fig. 1 and 2, the bearing seat 1 is composed of a base 11 and a lifting seat 12, the top surface of the lifting seat 12 and the side mold of the structural beam form a structural beam pouring cavity together, when the base 11 is placed on the ground, the lifting seat 12 can lift along the height direction of the base 11, the height of the lifting seat 12 is adjusted according to the distance between the side mold of the beam and the ground, the top end of the lifting seat 12 contacts with the side mold of the beam, and the side mold of the beam is supported and fixed.
As shown in fig. 2, the lifting driving device 2 includes a chute 21 formed in the base 11, two sliding blocks 22 are slidably connected in the chute 21, the sliding blocks 22 can move in the chute 21 along the width direction of the base 11, two sliding blocks 22 are hinged with a connecting rod 23, one end of the connecting rod 23 away from the sliding blocks 22 is hinged with the inner top wall of the lifting base 12, when the two sliding blocks 22 move in opposite directions or opposite directions, the lifting base 12 can be driven by the connecting rod 23 to lift, two sliding blocks 22 are fixedly connected with a connecting plate 24, the connecting plate 24 is internally threaded with a bidirectional threaded rod 25, one end of the bidirectional threaded rod 25 extends to the outside of the base 11, and when the bidirectional threaded rod 25 rotates, the connecting plate 24 can be driven to move in opposite directions or opposite directions.
As shown in fig. 1 and 3, the supporting frame 3 includes a through slot 31 formed on a side surface of the lifting seat 12, a rack 32 is fixedly connected to an inner top wall of the through slot 31, two gears 33 are disposed in the through slot 31, the gears 33 are meshed with the rack 32, two connecting shafts 35 are mounted on a side surface of the base 11, supporting rods 34 are rotatably connected to surfaces of the two connecting shafts 35, one ends of the two supporting rods 34, far from the connecting shafts 35, are connected to the gears 33 through unidirectional bearings, and the two gears 33 can only rotate in directions far from each other, so as to support and position the lifting seat 12.
As shown in fig. 1, the front and rear sides of the bearing seat 1 are respectively provided with a translation mechanism 4, so that the gear 33 is pulled out of the through groove 31 and separated from the rack 32, the lifting seat 12 is reset, the translation mechanism 4 comprises a moving plate 41 sleeved on the surface of the connecting shaft 35, two ends of the moving plate 41 are respectively hinged with two supporting rods 34, the moving plate 41 can translate along the connecting shaft 35, when the moving plate 41 moves, the gear 33 can be driven to move by the supporting rods 34, the gear 33 is separated from the rack 32, at the moment, the lifting seat 12 can move downwards to reset, the moving plate 41 is internally connected with a unidirectional threaded rod 42, one end of the unidirectional threaded rod 42 close to the base 11 is rotationally connected with the base 11, and when the unidirectional threaded rod 42 rotates, the moving plate 41 can be driven to move.
As shown in fig. 1 and 2, two limiting plates 5 are fixedly connected to the lifting seat 12, and the two limiting plates 5 are located on the outer sides of the two side dies of the structural beam so as to clamp the two side dies in the front-rear direction.
Working principle: firstly, place bearing seat 1 on the ground in the restricted space to make it be located the below of structure roof beam, then start lifting drive device 2, rise through lifting drive device 2 drive lifting seat 12, make lifting seat 12's top and roof beam side form contact, lifting drive device 2 can carry out certain spacing to lifting seat 12, make lifting seat 12 support the roof beam side form, make limiting plate 5 cover in the both sides of roof beam side form, after lifting seat 12 rises, can further support lifting seat 12 through the support frame 3 that sets up, consolidate lifting seat 12's stability, when dismantling, through driving translation mechanism 4, make support frame 3 not support lifting seat 12, finally make lifting seat 12 reset through driving lifting drive device 2, thereby can be convenient carry out temporary support to the roof beam side form, can effectually improve the efficiency of construction.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a limited space under construction beam bottom formwork structure in contrary construction which characterized in that includes bearing seat (1): the height of the bearing seat (1) can be adjusted according to the height between the beam side die and the ground; the bearing seat (1) consists of a base (11) and a lifting seat (12), and the lifting seat (12) can lift along the height direction of the base (11);
lifting driving device (2): the lifting device is arranged in the bearing seat (1) and is used for driving the lifting seat (12) to adjust the height, so that the top surface of the lifting seat (12) is in pressing contact with the lower end of the side die of the structural beam;
the top surface of the lifting seat (12) and the side die of the structural beam form a structural beam pouring cavity together;
support frame (3): the lifting driving device (2) is respectively arranged at the front side and the rear side of the bearing seat (1), and when the lifting driving device (2) drives the bearing seat (1) to move to be pressed against the lower end of the side die of the structural beam, the supporting frame (3) positions the height of the bearing seat (1).
2. The beam bottom formwork structure of the limited space under construction in the reverse construction of claim 1, wherein the lifting driving device (2) comprises a sliding groove (21) formed in the base (11), two sliding blocks (22) are connected in the sliding groove (21) in a sliding manner, the sliding blocks (22) can move in the sliding groove (21) along the width direction of the base (11), connecting rods (23) are hinged to the two sliding blocks (22), one ends of the connecting rods (23) far away from the sliding blocks (22) are hinged to the inner top wall of the lifting base (12), connecting plates (24) are fixedly connected to the two sliding blocks (22), two threaded rods (25) are connected with inner threads of the connecting plates (24), and one ends of the two threaded rods (25) extend to the outside of the base (11).
3. The beam bottom formwork structure of the limited space under construction in the reverse construction according to claim 1 or 2, characterized in that the supporting frame (3) comprises a through groove (31) formed in the side face of the lifting seat (12), the inner top wall of the through groove (31) is fixedly connected with a rack (32), two gears (33) are arranged in the through groove (31), the gears (33) are meshed with the rack (32), two connecting shafts (35) are mounted on the side face of the base (11), supporting rods (34) are rotatably connected to the surfaces of the two connecting shafts (35), and one ends, far away from the connecting shafts (35), of the two supporting rods (34) are connected with the gears (33) through one-way bearings.
4. A beam bottom formwork structure for a limited space under construction in a reverse construction according to claim 3, wherein the front and rear side surfaces of the bearing seat (1) are provided with a translation mechanism (4) to pull out the gear (33) from the through groove (31) to be separated from the rack (32).
5. The beam bottom formwork structure of the limited space under construction in the reverse construction of claim 4, wherein the translation mechanism (4) comprises a moving plate (41) sleeved on the surface of the connecting shaft (35), two ends of the moving plate (41) are respectively hinged with the two supporting rods (34), a unidirectional threaded rod (42) is connected in the moving plate (41) in a threaded manner, and one end of the unidirectional threaded rod (42) close to the base (11) is rotationally connected with the base (11).
6. The formwork structure of the lower structural beam bottom in the limited space in the reverse construction according to claim 1, wherein two limiting plates (5) are fixedly connected to the lifting seat (12), and the two limiting plates (5) are located on the outer sides of the two side molds of the structural beam so as to clamp the two side molds in the front-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321904966.9U CN220704538U (en) | 2023-07-19 | 2023-07-19 | Beam bottom formwork structure of limited space under construction is done in contrary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321904966.9U CN220704538U (en) | 2023-07-19 | 2023-07-19 | Beam bottom formwork structure of limited space under construction is done in contrary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220704538U true CN220704538U (en) | 2024-04-02 |
Family
ID=90440918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321904966.9U Active CN220704538U (en) | 2023-07-19 | 2023-07-19 | Beam bottom formwork structure of limited space under construction is done in contrary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220704538U (en) |
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2023
- 2023-07-19 CN CN202321904966.9U patent/CN220704538U/en active Active
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