Sliding combined formwork structure
By using a sliding composite formwork structure, the problem of dismantling and rebuilding the sliding formwork support was solved, achieving efficient continuity and stability in concrete pouring on both sides of the shear wall.
Patent Information
- Application Number
- CN202311168346.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-11
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2043-09-11
AI Technical Summary
In existing technologies, the supports for sliding formwork need to be dismantled and rebuilt on both sides of the shear wall, which affects construction efficiency.
The sliding modular formwork structure includes a support frame, movable formwork, steel strand jacks, and bottom wheels. The support frame can move on the guide rail. Combined with the braking mechanism and horizontal hydraulic cylinder, it enables convenient disassembly and reinstallation of the formwork, reducing the steps of dismantling and rebuilding the support frame.
It improves construction efficiency, reduces wear between the support frame and the shear wall, and ensures the stability and continuity of concrete pouring.
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Figure CN117306845B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of concrete pouring, in particular to a sliding combined formwork structure. BACKGROUND
[0002] Fabricated shear wall refers to that shear wall is prefabricated in factory, then transported to site, hoisted to installation position, connected with sleeve grouting and corresponding floor layer at reserved steel bars at bottom and top of shear wall, connected between adjacent shear wall components, i.e. two perpendicular wall components, through reserved steel bars and hidden column steel bars, hidden column is same edge component at corner of two wall components, then cast-in-place concrete hidden column is used to realize connection between adjacent shear walls.
[0003] In order to pour concrete between two adjacent prefabricated shear walls, formwork is needed, and in order to cooperate with prefabrication process to cast-in-place with simple process, sliding formwork construction is used, i.e. formwork can move along vertical direction, formwork height is lower than shear wall height, a certain height of concrete slurry is poured each time, formwork is moved up a certain distance after concrete slurry reaches sliding demolding strength, until formwork is moved up to shear wall level, to complete pouring with small formwork amount and less support, for example, pouring method and special mold for concrete wall in CN102383599A.
[0004] For the related technology in the above, the support for setting sliding formwork is generally fixed in position, and concrete cast-in-place of corresponding hidden column components is needed on both sides of shear wall, so the support for sliding formwork needs to be removed and then built again on the other side of shear wall, which easily affects construction efficiency of shear wall. SUMMARY
[0005] In order to reduce the influence on construction efficiency of shear wall, the present application provides a sliding combined formwork structure.
[0006] The sliding combined formwork structure provided by the present application adopts the following technical scheme.
[0007] A sliding combined formwork structure, comprising a support, a movable formwork moving along vertical direction to pour concrete, a steel strand jack provided on the support and driving the movable formwork to move, a replacement formwork detachably connected between two adjacent movable formworks and adapted to the connection between corresponding two shear walls to realize pouring of concrete with a given shape, the support is rotationally connected with a bottom wheel moving the support between two sides of shear wall needing to cast-in-place concrete, a guide rail is laid under the support for directional movement of the bottom wheel, and the support is provided with a stop mechanism controlling rotation of the bottom wheel.
[0008] By adopting the technical scheme, after the concrete on one side of the shear wall is completed, the formwork can be disassembled from the movable formwork, and then the support is moved to the position where the concrete casting is needed on the other side along the horizontal length direction of the shear wall, without disassembling and reassembling the support, which is more convenient, and each support can facilitate the concrete casting work on the opposite sides of one shear wall, thereby reducing the influence of the construction efficiency.
[0009] Optionally, the stopping mechanism comprises a stopping screw rod threadedly connected to the support, a stopping turntable coaxially and fixedly connected to the stopping screw rod, a screw rod block rotationally connected to the stopping screw rod, and a pressing block fixedly connected to the screw rod block and capable of deforming to abut against the guide rail.
[0010] By adopting the technical scheme, when the support is moved to the specified position for the concrete casting work, the support is not easy to move randomly, and the concrete casting work can be stably performed.
[0011] Optionally, the support is fixedly connected with a formwork guide rail, the formwork guide rail is slidingly connected with a casting sliding block in the moving direction of the movable formwork, the casting sliding block is fixedly connected with a horizontal oil cylinder, the horizontal oil cylinder is fixedly connected with a force transmission part, and the force transmission part is fixedly connected to the movable formwork.
[0012] By adopting the technical scheme, when the support needs to be moved, the horizontal oil cylinder moves the movable formwork, so that the movable formwork is no longer closely attached to the shear wall, the support can be more smoothly moved, and the abrasion between the support and the shear wall can be reduced.
[0013] Optionally, each support corresponds to a group of two movable formworks, the two movable formworks in the same group are fixedly connected with upper plates, the two upper plates are sleeved with sliding rods slidingly connected to the formwork guide rail, and the steel cables of the steel cable jacks are fixedly connected to the sliding rods.
[0014] By adopting the technical scheme, the two movable formworks in the same group can be synchronously vertically moved.
[0015] Optionally, adjacent two sliding rods are detachably connected with a connecting support, the connecting support is slidingly connected with a vibrating block, the vibrating block is fixedly connected with a vibrator for vibrating the concrete, the vibrating blocks of the same connecting support are fixedly connected with the same vibrator support, and the connecting support is provided with a support oil cylinder for driving the support to move so that the vibrator enters or moves away from the concrete slurry.
[0016] Through the above technical scheme, after completing once concrete pouring, the vibrator can be inserted into the concrete slurry for vibrating, and after vibrating for a certain time, the vibrator is separated from the concrete slurry by moving the vibrator holder, so that the vibrating operation is carried out, and manual vibrating operation is not needed after each pouring is completed, which is helpful for the rapid concrete pouring operation between two shear walls.
[0017] Optionally, the connecting holder is detachably connected by a plurality of connecting sub-holders, each of which is provided with a vibrating block and a vibrator, the holder is detachably connected by a plurality of holder sub-holders, and the holder oil cylinder is connected to one of the holder sub-holders.
[0018] Through the above technical scheme, the number of vibrators needed is arranged at equal intervals according to the length of the concrete pouring area, so as to better adapt to the concrete pouring operation between different two shear walls.
[0019] Optionally, the connecting holder is detachably connected with two limiting blocks capable of abutting against the vibrating block, and the vibrating block is located between the two limiting blocks.
[0020] Through the above technical scheme, when the connecting sub-holders are separately detached, the vibrating block is not easy to fall off from the connecting sub-holders, and it is convenient to first detachably connect the connecting sub-holders and then connect the holder sub-holders.
[0021] Optionally, the force transmission part comprises a sleeve rod fixedly connected to the movable formwork, a plug rod inserted into the sleeve rod and fixedly connected to the horizontal oil cylinder power rod, a frame block fixedly connected to the sleeve rod for the plug rod to be inserted, an anti-falling block fixedly connected to one end of the plug rod in the sleeve rod and capable of abutting against the frame block, and a compression spring arranged in the sleeve rod and forcing the plug rod to move away from the sleeve rod.
[0022] Through the above technical scheme, when the horizontal oil cylinder drives the movable formwork to tightly adhere to the shear wall, the pressure received by the shear wall is not easy to be too large, and at the same time, since the amount of concrete poured each time is controlled within a certain range, the movable formwork can tightly adhere to the shear wall by using a compression spring with a larger elastic modulus, and the situation of slurry leakage during pouring is not easy to occur.
[0023] Optionally, the pouring sliding block is fixedly connected with a guide member for the horizontal oil cylinder power rod to slide through.
[0024] Through the above technical scheme, during the upward movement of the pouring sliding block, the horizontal oil cylinder body and the power rod are not easy to bear large vertical load, and the movable module can stably move.
[0025] Optionally, a wedge-shaped opening penetrating the top surface of the movable formwork is formed in the side of the movable formwork close to the exchange formwork, and a wedge-shaped block fixedly connected to the exchange formwork is slidably connected in the wedge-shaped opening.
[0026] By adopting the technical scheme, the installation between the exchange template and the movable template is more convenient, and the slurry leakage is less likely to occur, and when disassembling, only a few times of knocking upwardly on the exchange template is needed, and then the exchange template can be lifted and removed.
[0027] To sum up, the present application has at least one of the following beneficial effects:
[0028] 1. The support does not need to be disassembled and reinstalled, which is more convenient, so that each support can facilitate the cast-in-place concrete operation on the opposite sides of a shear wall, which helps to reduce the influence of construction efficiency;
[0029] 2. When the position of the support needs to be moved, the movable template is no longer tightly attached to the shear wall, so that the support can be moved more smoothly, and the wear between the support and the shear wall can be reduced. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 is a schematic view of the main structure of the present application;
[0031] Figure 2 is a schematic view of a support, and the continuous and separate frame is removed, and a movable template and one end of the force transmission part are cut open;
[0032] Figure 3 is Figure 2 an enlarged view of A in FIG. 1;
[0033] Figure 4 is Figure 1 an enlarged view of B in FIG. 1;
[0034] Figure 5 is a schematic view of the continuous and separate frame of the device frame oil cylinder.
[0035] BRIEF DESCRIPTION OF DRAWINGS: 1, support; 2, movable template; 21, force transmission part; 3, steel strand jack; 31, anti-drop block; 32, compression spring; 33, wedge-shaped opening; 34, wedge-shaped block; 35, continuous and separate frame; 36, device and separate frame; 37, limiting block; 38, guide; 39, sliding rod; 4, exchange template; 41, upper plate; 42, continuous frame; 43, vibrating block; 44, vibrator; 45, device frame; 46, device frame oil cylinder; 47, sleeve rod; 48, insertion rod; 49, frame block; 5, bottom wheel; 51, stop mechanism; 52, guide rail; 53, stop screw; 54, stop turntable; 55, screw block; 56, pressing block; 57, template guide rail; 58, pouring sliding block; 59, horizontal oil cylinder. DETAILED DESCRIPTION
[0036] The present application will be further described in detail below with reference to the accompanying drawings.
[0037] The embodiment of the present application discloses a sliding combined template structure, referring to Figure 1 , including a support 1 arranged for each prefabricated shear wall, a set of two movable templates 2 moving in the vertical direction are installed in each support 1, the movable templates 2 are attached to the vertical side of the shear wall where cast-in-place concrete is needed, and the same exchange template 4 is detachably connected between the similar two movable templates 2 of the similar two supports 1, the horizontal section of the exchange template 4 is generally rectangular or L-shaped according to the arrangement form and the number of the shear wall to be connected, and in the embodiment, the cast-in-place concrete is needed to be L-shaped between the two perpendicular shear walls, so the exchange template 4 is selected to be L-shaped.
[0038] Referring to Figure 1 and Figure 2 , the two sides of the support 1 towards the shear wall are fixedly connected with the vertical template guide rail 57, the pouring sliding block 58 is slidingly connected with the template guide rail 57 in the vertical direction, the horizontal oil cylinder 59 is fixedly connected with the vertical side of the pouring sliding block 58 towards the movable template 2, the pouring sliding block 58 is fixedly connected with the guide piece 38, the vertical section of the guide piece 38 is in the shape of a door, the two horizontal section ends of the guide piece 38 are fixedly connected to the pouring sliding block 58, the power rod of the horizontal oil cylinder 59 is penetratingly and slidingly connected to the vertical section of the guide piece 38 in the horizontal width direction of the movable template 2, the power rod end of the horizontal oil cylinder 59 is provided with the force transmission part 21, and the force transmission part 21 is connected to the movable template 2 away from the side of the horizontal oil cylinder 59, so that the movable template 2 is tightly attached to the shear wall when pouring.
[0039] Referring to Figure 2 and Figure 3 , the force transmission part 21 includes the insertion rod 48 fixedly connected to the power rod end of the horizontal oil cylinder 59, the length direction of the insertion rod 48 is consistent with the horizontal length direction of the movable template 2, the sleeve rod 47 is inserted in the horizontal width direction of the insertion rod 48, the side of the sleeve rod 47 away from the insertion rod 48 is fixedly connected to the movable template 2, the length of the sleeve rod 47 is consistent with the length of the movable template 2, the opening of the sleeve rod 47 for the insertion of the insertion rod 48 is fixedly connected with the frame block 49, the insertion rod 48 is penetratingly and slidingly connected to the frame block 49 in the horizontal width direction of the insertion rod 48, one end of the insertion rod 48 in the sleeve rod 47 is fixedly connected with the anti-dropping block 31, the anti-dropping block 31 is slidingly connected to the inner wall of the sleeve rod 47, the anti-dropping block 31 can abut against the frame block 49 so that the insertion rod 48 is not easy to be separated from the sleeve rod 47, the compression spring 32 is arranged in the sleeve rod 47 to force the insertion rod 48 to be separated from the sleeve rod 47, the compression spring 32 is uniformly arranged in the horizontal length direction of the sleeve rod 47, so that the movable template 2 is tightly attached to the shear wall and is not easy to cause excessive pressure to the shear wall.
[0040] Referring to Figure 1 and Figure 4The movable template 2 is provided with a wedge-shaped opening 33 on the vertical side surface facing the exchange template 4, the wedge-shaped opening 33 penetrates the top surface of the movable template 2, the vertical side surface of the wedge-shaped opening 33 is fixedly connected with a wedge-shaped block 34, the wedge-shaped block 34 is slidingly connected with the wedge-shaped opening 33 in the vertical direction, so that the movable template 2 and the exchange template 4 can be conveniently connected, and the position of the movable template 2 which is lower than the wedge-shaped opening 33 and the position of the exchange template 4 which is lower than the wedge-shaped block 34 will not be in contact with the concrete slurry, thereby reducing the possibility of slurry leakage.
[0041] With reference to Figure 2 The upper surface of the two movable templates 2 in the same group is fixedly connected with an upper plate 41, the two upper plates 41 are sleeved with the same slide rod 39 along the horizontal width direction of the movable template 2, the two ends of the slide rod 39 in the length direction are slidingly connected with the two template guide rails 57 in the vertical direction, the upper part of the support 1 is detachably connected with a wire strand jack 3, and the steel cable of the wire strand jack 3 is fixedly connected to the center point of the upper surface of the slide rod 39, so that after the combination and installation between the exchange template 4 and the movable template 2 are completed, the concrete pouring and the lifting of the movable template 2 can be repeated, and finally poured to the same height as the top surface of the shear wall.
[0042] With reference to Figure 1 And Figure 5 The adjacent slide rods 39 are provided with a connecting frame 42, the connecting frame 42 can be composed of a plurality of connecting sub-frames 35 which are detachably connected, each connecting sub-frame 35 is slidingly connected with a vibrating block 43 in the vertical direction, each vibrating block 43 is fixedly connected with a vibrating device 44 which is vertical, the vibrating device 44 can extend into the concrete slurry to vibrate, each connecting sub-frame 35 is detachably connected with a set of two limiting blocks 37, the two limiting blocks 37 in the same group are located at the upper and lower ends of the connecting sub-frame 35 one by one, so that the vibrating block 43 is not easy to be separated from the connecting sub-frame 35. Each vibrating block 43 is fixedly connected with a device sub-frame 36, the device sub-frame 36 corresponding to the wire strand jack 3 is provided for the steel cable of the wire strand jack 3 to pass through, all the device sub-frames 36 are detachably connected to form a device frame 45, and one connecting sub-frame 35 is detachably connected with a power rod vertical device frame oil cylinder 46, the power rod upper end of the device frame oil cylinder 46 is fixedly connected to one device sub-frame 36, so that all the device sub-frames 36 can be vertically moved synchronously, and all the vibrating devices 44 can be vertically moved, so that the vibrating devices 44 can perform corresponding vibrating work after each concrete pouring.
[0043] With reference to Figure 1Two sides of the bottom of each support 1 are rotationally connected with a group of two bottom wheels 5, the rotation axis direction of the bottom wheels 5 is consistent with the horizontal width direction of the movable formwork 2, the floor plate on which the support 1 is located is detachably connected with a guide rail 52, the guide rail 52 is rotationally connected with the bottom wheels 5, so that the support 1 can move along the length direction of the corresponding shear wall, so that after the concrete is cast in place on one side of the shear wall, the support 1 can be moved to the other side of the shear wall to cast the concrete in place.
[0044] Referring to Figure 1 The two sides of the bottom of the support 1 provided with the bottom wheels 5 are provided with a stop mechanism 51 for controlling the rotation of the bottom wheels 5, the stop mechanism 51 includes a stop screw 53 vertically penetrating and threadedly connected to the bottom of the support 1, a stop rotary disc 54 coaxially fixedly connected to the upper end of the stop screw 53, a screw block 55 coaxially rotationally connected to the bottom end of the stop screw 53, and a pressing block 56 fixedly connected to the bottom surface of the screw block 55, the pressing block 56 can be neoprene rubber with good wear resistance, so that when the pressing block 56 is pressed against the guide rail 52, the support 1 is not easy to move, so that the support 1 can be better kept stable during pouring.
[0045] The implementation principle of the sliding combined formwork structure of the embodiment of the application is as follows: the support 1 is arranged at one side of the shear wall, then the horizontal oil cylinder 59 drives the movable formwork 2 to be closely attached to the shear wall, then the exchange formwork 4 is connected to the movable formwork 2, if the exchange formwork 4 cannot be smoothly inserted in the vertical direction, the position of the support 1 needs to be adjusted until the exchange formwork 4 can be connected between the two movable formworks 2 in the two groups, then the stop rotary disc 54 is rotated to press the pressing block 56 against the guide rail 52, so that the support 1 is difficult to move. Then grouting is performed between the movable formwork 2, the exchange formwork 4 and the shear wall, then the vibrator 44 is driven downward by the device oil cylinder 46 to vibrate, after the vibration is completed, the vibrator 44 is reset to move upward, after the concrete reaches the demolding strength, the movable formwork 2 and the exchange formwork 4 are driven to move upward by the steel strand jack 3 for a distance, then grouting and vibration are performed again, and the process is repeated until the pouring work at one side of the shear wall is completed.
[0046] After the concrete reaches the demolding strength, the exchange formwork 4 is moved upward and detached, then the horizontal oil cylinder 59 drives the two movable formworks 2 in the same group to move away from each other, then the stop rotary disc 54 is rotated to make the pressing block 56 not press against the guide rail 52, so that the support 1 is moved to the side of the shear wall which has not been poured, and the above steps are repeated to complete the concrete pouring on both sides of the shear wall.
[0047] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.
Claims
1. A sliding composite formwork structure, comprising a support (1), a movable formwork (2) that moves vertically for concrete pouring, and a steel strand jack (3) mounted on the support (1) and driving the movable formwork (2) to move, characterized in that: Two adjacent active templates (2) are detachably connected with an adaptive template (4) which is adapted to the connection of two shear walls to realize the pouring of concrete with a predetermined shape, the support (1) is rotationally connected with a bottom wheel (5) which enables the support (1) to move between the two sides of the shear wall where the concrete needs to be cast in situ, the support (1) is provided with a guide rail (52) on which the bottom wheel (5) moves directionally, and the support (1) is provided with a stop mechanism (51) which controls the rotation of the bottom wheel (5); The support (1) is fixedly connected with a template guide rail (57), the template guide rail (57) is slidingly connected with a pouring slider (58) which moves along the direction of the active template (2), the pouring slider (58) is fixedly connected with a horizontal oil cylinder (59), the power rod of the horizontal oil cylinder (59) is fixedly connected with a force transmission part (21), and the force transmission part (21) is fixedly connected to the active template (2); Each support (1) corresponds to a group of two active templates (2), and the two active templates (2) in the same group are fixedly connected with upper plates (41), the two upper plates (41) are sleeved with a sliding rod (39) which is slidingly connected to the template guide rail (57), and the steel cable of the steel strand jack (3) is fixedly connected to the sliding rod (39); Two adjacent sliding rods (39) are detachably connected with a connecting support (42), the connecting support (42) is slidingly connected with a vibrating block (43), the vibrating block (43) is fixedly connected with a vibrator (44) which vibrates the concrete, the vibrating blocks (43) of the same connecting support (42) are fixedly connected with the same device rack (45), and the connecting support (42) is provided with a device rack oil cylinder (46) which drives the device rack (45) to move so that the vibrator (44) is close to or away from the concrete slurry; The connecting support (42) is detachably connected with two limiting blocks (37) which can abut against the vibrating block (43), and the vibrating block (43) is located between the two limiting blocks (37); The force transmission part (21) comprises a sleeve rod (47) which is fixedly connected to the active template (2), a plug rod (48) which is inserted into the sleeve rod (47) and is fixedly connected to the power rod of the horizontal oil cylinder (59), a frame block (49) which is fixedly connected to the sleeve rod (47) for the plug rod (48) to be inserted, a anti-dropping block (31) which is fixedly connected to the plug rod (48) at one end in the sleeve rod (47) and can abut against the frame block (49), and a compression spring (32) which is arranged in the sleeve rod (47) and forces the plug rod (48) to move away from the sleeve rod (47).
2. A sliding combination template structure according to claim 1, wherein: The stop mechanism (51) comprises a stop screw (53) which is threadedly connected to the support (1), a stop turntable (54) which is coaxially fixedly connected to the stop screw (53), a screw block (55) which is rotationally connected to the stop screw (53), and a compression block (56) which is fixedly connected to the screw block (55) and can be deformed to abut against the guide rail (52).
3. The sliding combination template structure according to claim 1, wherein: The connecting support (42) is detachably connected by a plurality of connecting sub-supports (35), each connecting sub-support (35) is provided with one vibrating block (43) and one vibrator (44), the device rack (45) is detachably connected by a plurality of device sub-racks (36), and the device rack oil cylinder (46) is connected to one device sub-rack (36).
4. The sliding combination template structure of claim 1, wherein: The pouring sliding block (58) is fixedly connected with a guide (38) through which a horizontal oil cylinder (59) power rod slides.
5. The sliding combination template structure of claim 1, wherein: The side of the movable formwork (2) close to the exchange formwork (4) is provided with a wedge-shaped opening (33) penetrating the top surface of the movable formwork (2), and the wedge-shaped opening (33) is slidably connected with a wedge-shaped block (34) fixedly connected to the exchange formwork (4).
Citation Information
Patent Citations
Casting method for concrete wall and special mould thereof
CN102383599A
Movable shear wall steel bar protection assembly and method
CN116005979A
Single-face climbing formwork device capable of being simultaneously used for constructing two faces of shear wall
CN211899619U