Unilateral formwork erecting device for wall construction

Abstract

The utility model relates to the technical field of building construction, in particular to a single-side formwork erecting device for wall construction, which comprises a first steel formwork, a second steel formwork, a wood formwork and an opposite-pull screw rod, butt joint plates are fixedly mounted on adjacent sides of the first steel formwork and the second steel formwork, the two butt joint plates are fixed through a fixing component, and the opposite-pull screw rod is fixedly connected with the first steel formwork and the second steel formwork. A plurality of round holes are evenly formed in the side wall of the first steel formwork body and the side wall of the second steel formwork body, sliding holes are symmetrically formed in the left end and the right end of each round hole, the steel formworks are fixed to one side or a free face of a narrow space, after the formworks are fixed, the opposite-pull screws penetrate through the round holes in the steel formworks, the protruding blocks are located in the grooves, and therefore the steel formworks are fixed. And then the round pipe is connected to the outer end of the opposite-pull screw in a sleeving mode and fixed, and then the wood formwork on the other side is installed and fixed. The whole wall formwork can be reinforced on one side with a large space, and the wall formwork can be recycled; and the screw rod can be fixed through rotation, and after concrete is poured, the screw rod can be rotationally disassembled on one side and can be recycled for use.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, concretely is a unilateral formwork device for wall construction. BACKGROUND

[0002] Wall construction needs to use two side formworks to support, then uses the lag bolt to fix, but with the construction site more and more small or the other side of the wall is empty, such as pit support pile and basement outer wall interval only 300mm, small site does not have the space of erecting scaffold, leading to the operation difficulty and dangerousness of the construction of support pile two side formwork to increase, also for example, the newly added wall empty surface has 30m, erects the outer frame separately and consumes time, and the operation is dangerous.

[0003] The basement outer wall and pit support space are small, and the space between the outer wall and the pit support needs to be filled with concrete, causing waste of concrete. The wall with a high empty surface needs to be supported by scaffolding on both sides of the formwork, which takes a long time and has a large amount of work. SUMMARY

[0004] The utility model discloses a unilateral formwork device for wall construction to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a unilateral formwork device for wall construction, comprising: a steel formwork one, a steel formwork two, a wooden formwork and a lag screw, the adjacent side of the steel formwork one and the steel formwork two is fixedly installed with a butt joint plate, two butt joint plates are fixed through a fixed component, a plurality of round holes are uniformly arranged on the side wall of the steel formwork one and the steel formwork two, a sliding hole is symmetrically arranged at the left and right ends of each round hole, and a groove is symmetrically arranged at the upper and lower ends.

[0006] One end of the lag screw is fixedly installed with a protrusion symmetrically on the upper and lower sides, the other end of the lag screw passes through the round hole of the steel formwork one or the steel formwork two in turn, then passes through the round hole on the wooden formwork, and is screw-connected with a nut; a round tube is sleeved on the outer wall of the lag screw.

[0007] Preferably, the fixed component comprises a plug rod, a plug barrel and a rotating plate, the plug rod is fixedly installed at the left and right ends of the lower side of one end of the steel formwork two, the plug barrel is fixedly installed at the left and right ends of the upper side of one end of the steel formwork one, and the lower end of the plug rod can be slid into the plug barrel.

[0008] Preferably, the rotating plate is U-shaped, the lower end of the rotating plate is rotatably connected with an ear plate, the ear plate is fixedly installed at the lower end of the butt joint plate on the upper end of the steel formwork one, the upper end of the rotating plate is screw-connected with a hand screw bolt, the lower end of the hand screw bolt is rotatably connected with a pressing plate after passing through the side wall of the rotating plate, and the lower end of the pressing plate can abut against the upper end side wall of the butt joint plate on the lower end of the steel formwork two.

[0009] Preferably, the upper end of the steel formwork two is fixedly installed with a top plate, and the upper end of the top plate is uniformly fixedly installed with a plurality of lifting rings.

[0010] Preferably, the left and right ends of the circular pipe are fixedly installed with sealing rings, and the left end abuts against the inner wall of the steel formwork one or the steel formwork two through the sealing ring, and the right end abuts against the inner wall of the wooden formwork through the sealing ring.

[0011] Preferably, the other end of the pull screw is sleeved with a fixing block and a connecting block respectively, the inner end of the fixing block abuts against a steel pipe, and the outer end of the connecting block abuts against a nut.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] By fixing the steel formwork on one side of a narrow space or a free surface, the pull screw is passed through the circular hole on the steel formwork after the formwork is fixed, and the convex block is located in the groove, then the circular pipe is sleeved on the outer end of the pull screw and is fixed, and the other side wooden formwork is installed and fixed. The whole wall formwork can be reinforced on the side with large space, and the wall formwork can be recycled; the screw can be fixed by rotating, and can be rotated and removed on one side after the concrete is poured, and can be recycled. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the overall structure of the utility model;

[0015] Figure 2 It is a back view of the overall structure of the utility model;

[0016] Figure 3 It is a back view of the overall structure of the utility model; Figure 1 It is an enlarged view of the A area structure of the utility model;

[0017] Figure 4 It is a front view of the steel formwork two of the utility model;

[0018] Figure 5 It is a structure schematic view of the pull screw of the utility model.

[0019] In the drawing: 1, steel formwork one; 2, steel formwork two; 3, insertion rod; 4, insertion cylinder; 5, top plate; 6, lifting ring; 7, butt joint plate; 8, ear plate; 9, rotating plate; 10, hand screw bolt; 11, pressing plate; 12, wooden formwork; 13, circular hole; 14, sliding hole; 15, groove; 16, pull screw; 17, convex block; 18, circular pipe; 19, sealing ring; 20, steel pipe; 21, fixing block; 22, connecting block; 23, nut. PREFERRED EMBODIMENT

[0020] In order to make the purpose, technical scheme of the utility model, carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0021] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a unilateral formwork device for wall construction, it include: steel formwork one 1, steel formwork two 2, wood formwork 12 and counter pull screw rod 16, steel formwork one 1, steel formwork two 2 adjacent side are all fixedly installed with butt joint plate 7, steel formwork one 1, steel formwork two 2 are spliced into a whole formwork, when two butt joint plates 7 contact, two butt joint plates 7 are fixed by fixed component, fixed component includes plug rod 3, plug barrel 4 and rotating plate 9, plug rod 3 is respectively fixedly installed in the lower side of the left and right ends of one end of steel formwork two 2, plug barrel 4 is fixedly installed in the upper side of the left and right ends of one end of steel formwork one 1, when two butt joint plates 7 contact, the lower end of plug rod 3 can be slid into plug barrel 4, steel formwork one 1 and steel formwork two 2 are fixed together, rotating plate 9 is U-shaped, the lower end of rotating plate 9 is rotatably connected with lug plate 8, lug plate 8 is fixedly installed on the lower end of butt joint plate 7 on the upper end of steel formwork one 1, the upper end of rotating plate 9 is screw-connected with hand screw bolt 10, the lower end of hand screw bolt 10 is rotatably connected with pressing plate 11 after passing through the side wall of rotating plate 9, the lower end of pressing plate 11 can be in contact with the upper end side wall of butt joint plate 7 on the lower end of steel formwork two 2, by rotating the upper end of rotating plate 9 to the upper end of upper side butt joint plate 7, then screwing hand screw bolt 10, driving pressing plate 11 and the upper end of upper side butt joint plate 7 contact, further fix two butt joint plates 7 together, so as to fix steel formwork one 1 and steel formwork two 2.

[0022] The upper end of steel formwork two 2 is fixedly installed with top plate 5, the upper end of top plate 5 is uniformly fixedly installed with several lifting eyes 6, by setting lifting eye 6, steel formwork is hoisted by hoisting equipment.

[0023] The side wall of steel formwork one 1 and steel formwork two 2 is evenly provided with several round holes 13, each round hole 13 is symmetrically provided with sliding hole 14 in the left and right ends, sliding hole 14 penetrates the side wall of the front and rear ends of steel formwork one 1 or steel formwork two 2, recess 15 is symmetrically provided in the upper and lower ends, the one end of counter pull screw rod 16 is symmetrically fixedly installed with protruding block 17 on the upper and lower sides, the other end of counter pull screw rod 16 is sequentially threaded through the round hole 13 of steel formwork one 1 or steel formwork two 2 and then threaded through the round hole 13 on wood formwork 12 and then screw-connected with nut 23, at this time, protruding block 17 is located in recess 15, and counter pull screw rod 16 is fixed.

[0024] A round pipe 18 is sleeved on the outer wall of the pull screw 16, the left and right ends of the round pipe 18 are fixedly provided with sealing rings 19, the left end abuts against the inner wall of the steel formwork one 1 or the steel formwork two 2 through the sealing ring 19, the right end abuts against the inner wall of the wooden formwork 12 through the sealing ring 19, and the round pipe 18 is located outside the round hole 13 and the sliding hole 14 to seal the round hole 13 and the sliding hole 14.

[0025] The other end of the pull screw 16 is sleeved with a fixed block 21 and a connecting block 22 respectively, the inner end of the fixed block 21 abuts against the steel pipe 20, and the outer end of the connecting block 22 abuts against a nut 23, so as to fix the steel formwork and the wooden formwork 12.

[0026] When the device works, first, a 300mm high guide wall is constructed to facilitate the positioning and reinforcement of the formwork, ensure the stability of the formwork during concrete pouring and the verticality of the concrete after pouring, after the strength of the guide wall reaches the requirement, one-side formwork construction is carried out, the steel formwork is first fixed on one side of the narrow space or the free face, after the formwork is fixed, the pull screw 16 is passed through the round hole 13 on the steel formwork, and the protruding block 17 is located in the groove 15, then the round pipe 18 is sleeved on the outer end of the pull screw 16 and fixed, the other side wooden formwork 12 is installed and fixed, and the fixed mode is steel pipe 20+double-direction connecting rib, the formwork on this side has the double-direction connecting rib, which can ensure the overall rigidity of the formwork, the overall one-side formwork is constructed in layers along the long edge direction of the wall body, the height of each layer is 700mm, and the formwork on the free face or the narrow space face is connected through the transverse connecting rib. The formwork on one side of the narrow space needs to be brushed with a release agent. The whole process is completed on the safe side of the wall body.

[0027] After the formwork is fixed, the concrete is poured, when the formwork removal conditions are met after the concrete pouring is completed, the formwork on the safe side is removed first, then the nut 23 is unscrewed, the pull screw 16 is pushed back and rotated by 90 degrees, the protruding block 17 is slid out of the sliding hole 14, then the steel formwork is removed, the formwork on this side is installed in the hoisting hole at the top of the wall body, a hoisting steel wire rope is installed, and then the release is completed by using external force at the top, and the formwork is hoisted out from the top subsequently. After the formwork is completely removed, the screw hole is treated by using waterproof mortar+waterproof paint from the safe side. The whole process completes the construction of the wall body, and the formwork can be recycled.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A one-side formwork device for wall construction, comprising: The utility model provides a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); 2. The single-sided formwork device for wall construction according to claim 1, characterized in that: The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); 3. The single-sided formwork device for wall construction according to claim 2, characterized in that: The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); 4. The single-sided formwork device for wall construction according to claim 1, characterized in that: The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); 5. The single-sided formwork device for wall construction according to claim 1, characterized in that: The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); 6. The single-sided formwork device for wall construction according to claim 1, characterized in that: The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15); The utility model discloses a steel formwork (1), steel formwork (2), wooden formwork (12) and counter pull screw rod (16), its characterized in be: steel formwork (1), steel formwork (2) adjacent one side all fixedly installed with butt joint plate (7), two butt joint plates (7) are fixed through fixed component, and the lateral wall of steel formwork (1), steel formwork (2) all uniformly is equipped with a plurality of round holes (13), and the left and right ends of each round hole (13) are symmetrically equipped with slide hole (14), and the upper and lower ends are symmetrically equipped with recess (15);

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