CN112659329A - Formwork device for prefabricated components - Google Patents

Abstract

The invention provides a formwork device for prefabricated parts, which comprises: the supporting body, the first anti-floating mechanism and the second anti-floating mechanism; the top of the support body is an opening end, the bottom of the support body is used for being arranged on the vibration table, and the support body is hollow inside and used for accommodating the prefabricated part; the first anti-floating mechanism is arranged at the top of the support body and used for limiting the top of the prefabricated part; the second anti-floating mechanisms are arranged on two opposite sides of the supporting body and used for limiting vertical steel bars in the prefabricated part. According to the invention, the prefabricated part is placed in the support body, the first anti-floating mechanism limits the top of the prefabricated part, and the second anti-floating mechanism limits the vertical steel bars in the prefabricated part, so that the prefabricated part can be effectively prevented from floating upwards and moving, the prefabricated part can be accurately positioned, the thickness of subsequent poured concrete is ensured, and the quality of the prefabricated part is further ensured.

Description

Formwork device for prefabricated components

Technical Field

The invention relates to the technical field of building construction, in particular to a template device of a prefabricated part.

Background

In order to improve the building construction efficiency, shorten the construction period and simultaneously reduce the influence on the surrounding environment of a construction site as much as possible, the prefabricated assembled structure is greatly promoted in China in recent years, wherein the prefabricated component of the composite slab is used as a structural form with quick prefabrication and convenient construction and is widely applied to the construction of buildings such as an assembled pipe gallery, an assembled house and the like.

The prefabricated member of the composite slab assembly type can be generally divided into two types of vertical structure sandwich composite slabs and horizontal structure composite slabs, each structure type consists of a prefabricated part and a cast-in-place part, wherein the prefabricated part needs to be manufactured in a factory in a blocking mode, the cast-in-place part needs to be poured with concrete, and after the concrete pouring of each composite slab is completed, the composite slab needs to be vibrated and molded on a vibration table. However, the reinforcement framework is easy to float upwards and move in the pouring and vibrating processes, so that the thickness of the protective layer of the reinforcement of the laminated slab is deviated, and the quality of the prefabricated part is not up to the standard.

Disclosure of Invention

In view of the above, the invention provides a formwork device for prefabricated parts, and aims to solve the problem that a reinforcement framework is easy to float and move in the pouring and vibrating processes of a composite slab assembled prefabricated part in the prior art.

The invention provides a formwork device for prefabricated parts, which comprises: the supporting body, the first anti-floating mechanism and the second anti-floating mechanism; the top of the support body is an opening end, the bottom of the support body is used for being arranged on the vibration table, and the support body is hollow inside and used for accommodating the prefabricated part; the first anti-floating mechanism is arranged at the top of the support body and used for limiting the top of the prefabricated part; the second anti-floating mechanisms are arranged on two opposite sides of the supporting body and used for limiting vertical steel bars in the prefabricated part.

Further, in the above formwork apparatus for a prefabricated member, the first anti-floating mechanism includes: a pressure lever and two upright posts; the two upright posts are respectively arranged on the outer side walls on two opposite sides in the length direction of the support body; the depression bar is violently established between two stands to, the both ends of depression bar are connected with two stands one-to-one and position is adjustable respectively, and the upper portion of supporter is arranged in to the depression bar and contacts with prefabricated component's top.

Further, in the above formwork apparatus for a prefabricated member, the first anti-floating mechanism further includes: two lantern rings and two limit pieces; each end of the pressure lever is provided with a lantern ring, and each lantern ring is slidably sleeved outside the corresponding upright post; two locating parts and two stand one-to-one and detachably are connected, and the upper portion of the lantern ring that corresponds is all arranged in to every locating part to carry out the crimping to the lantern ring.

Furthermore, in the formwork device of the prefabricated part, the outer wall of each upright post is provided with a plurality of first clamping teeth; every locating part is the torsional spring buckle, and every torsional spring buckle all is the annular and the inner wall is provided with the second latch, and every torsional spring buckle all overlaps the outside of locating the stand that corresponds and the second latch is block mutually with arbitrary first latch.

Furthermore, in the formwork device for the prefabricated part, a compression joint plate is arranged on one surface, facing the prefabricated part, of the compression bar, the compression joint plate is in contact with the top of the prefabricated part, and a plurality of first stiffening ribs are arranged between the compression joint plate and the side wall of the compression bar.

Furthermore, in the formwork device of the prefabricated part, an elastic buffer is arranged between the compression joint plate and the top of the prefabricated part.

Further, in the above-described formwork device for a prefabricated member, the second anti-floating mechanism includes: a plurality of compression members; the supporting body is provided with a plurality of grooves on two opposite side walls in the width direction, each groove extends from the top to the bottom of the side wall of the supporting body, and the grooves on the two side walls of the supporting body correspond to one another; the vertical reinforcing steel bars are arranged at intervals, each vertical reinforcing steel bar corresponds to each groove one by one, and two end parts of each vertical reinforcing steel bar penetrate through the corresponding grooves on the two side walls of the supporting body respectively and are arranged outside the supporting body; each compressing piece is inserted in each groove one-to-one to limit the movement of the vertical steel bars.

Further, in the formwork device for the prefabricated parts, each pressing piece has preset elasticity, and the size of each pressing piece is larger than that of the corresponding groove.

Further, in the above formwork apparatus for a prefabricated member, each of the pressing members includes: a first connecting piece, a second connecting piece and a third connecting piece; the first connecting piece is parallel to the second connecting piece, and the third connecting piece is vertically clamped between the first connecting piece and the second connecting piece to form an I-shaped structure; the third connecting piece is clamped in the groove, the first connecting piece is arranged outside the supporting body, and the second connecting piece is arranged inside the supporting body.

Further, in the formwork device for a prefabricated member, a plurality of second stiffening ribs are arranged at intervals on two opposite side walls in the width direction of the support body.

According to the invention, the prefabricated part is placed in the support body, the first anti-floating mechanism limits the top of the prefabricated part, and the second anti-floating mechanism limits the vertical steel bars in the prefabricated part, so that the prefabricated part can be effectively prevented from floating upwards and moving, the prefabricated part can be accurately positioned, the thickness of the subsequent poured concrete is ensured, the quality of the prefabricated part is further ensured, and the problem that a steel bar framework is easy to float upwards and move in the pouring and vibrating processes of the prefabricated part of the composite slab assembly type in the prior art is solved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic structural diagram of a formwork apparatus for prefabricated parts according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a torsion spring buckle in a formwork device of a prefabricated part according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a groove structure of a formwork apparatus for prefabricated parts according to an embodiment of the present invention;

fig. 4 is a front view schematically illustrating a pressing member of a formwork apparatus for prefabricated parts according to an embodiment of the present invention;

fig. 5 is a schematic top view of a pressing member in a formwork apparatus for prefabricated parts according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, fig. 1 is a schematic structural view of a formwork device for prefabricated parts according to an embodiment of the present invention. As shown in the drawings, the formwork apparatus of the prefabricated parts includes: the support body 1, the first anti-floating mechanism 2 and the second anti-floating mechanism 3. The top (upper part shown in fig. 1) of the support body 1 is an open end, the bottom (lower part shown in fig. 1) of the support body 1 is used for being arranged on the vibration table 6, and the support body 1 is hollow, so that the support body 1 is a cylindrical body with one closed end and one open end. In a specific embodiment, the support body 1 may have a rectangular parallelepiped shape, or may have another shape, which is not limited in this embodiment.

In a specific embodiment, the support body 1 may include: two steel form 12 that set up side by side and two locating plate 13 that set up side by side, every locating plate 13 all is connected with two steel form 12, then two locating plates 13 and two steel form 12 enclose the structure of establishing into a cuboid form.

The support body 1 is configured to accommodate a prefabricated component 4, where the prefabricated component 4 may be a prefabricated component of a laminated slab assembly type, or may be another component, and this embodiment is not limited in this respect.

In particular, the prefabricated part 4 may include: the steel bar structure comprises vertical steel bars 41, transverse steel bars 42 and truss steel bars 43, wherein the vertical steel bars 41 and the transverse steel bars 42 are arranged in a staggered mode to form a net structure, and the truss steel bars 43 are arranged on the transverse steel bars 42.

The first anti-floating mechanism 2 is disposed on the top of the supporting body 1, and the first anti-floating mechanism 2 is used for limiting the top of the prefabricated part 4 to prevent the prefabricated part 4 from moving away from the top of the supporting body 1, i.e. from floating upwards (relative to the view in fig. 1). Specifically, the first anti-floating mechanism 2 prevents upward floating of the truss reinforcing bars 43.

The second anti-floating mechanisms 3 are arranged on two opposite sides of the supporting body 1, and the second anti-floating mechanisms 3 are used for limiting the vertical steel bars 41 in the prefabricated part 4 so as to prevent the vertical steel bars 41 from moving to the top far away from the supporting body 1, namely preventing upward floating (relative to the position shown in fig. 1). Specifically, the vertical reinforcing bars 41 are a plurality of and arranged at intervals, two ends of each vertical reinforcing bar 41 respectively correspond to two opposite sides of the supporting body 1, and the second anti-floating mechanism 3 limits the two ends of each vertical reinforcing bar 41.

It can be seen that, in this embodiment, place prefabricated component 4 in the inside of supporter 1, first anti-relocation mechanism 2 is spacing to the top of prefabricated component 4, and second anti-relocation mechanism 3 is spacing to vertical reinforcing bar 41 in prefabricated component 4, can prevent the come-up removal of prefabricated component 4 effectively for prefabricated component 4 can pinpoint, has ensured the thickness of follow-up concreting, and then has guaranteed the quality of prefabricated component 4, has solved among the prior art problem that superimposed sheet assembled prefabricated component skeleton easily comes up the removal at pouring and vibration in-process reinforcing bar skeleton.

Referring to fig. 1, in the above embodiment, the first anti-floating mechanism 2 includes: a strut 21 and two uprights 22. The support body 1 may be rectangular, two columns 22 respectively correspond to the side walls on two opposite sides of the support body 1 in the length direction (the direction from left to right shown in fig. 1), and each column 22 is disposed on the outer wall of the corresponding side wall of the support body 1 in the length direction, that is, the two columns 22 are disposed outside the support body 1. The bottom (lower part in fig. 1) of each upright 22 can be in contact with the oscillating table 6, the height of each upright 22 being greater than the height of the side walls of the support body 1. Preferably, each upright 22 is welded to the corresponding side wall. In specific embodiments, the two columns 22 are symmetrically disposed. The two steel templates 12 are the side walls of the support body 1 on the two opposite sides in the length direction, and the two columns 22 are respectively connected with the two steel templates 12 in a one-to-one correspondence manner.

The compression bar 21 is transversely arranged between the two upright posts 22, two ends of the compression bar 21 respectively correspond to the two upright posts 22 one by one, and each end part of the compression bar 21 is connected with the corresponding upright post 22 in a position-adjustable manner. The pressing rod 21 is arranged on the upper part (relative to fig. 1) of the support body 1, the pressing rod 21 is pressed on the top of the prefabricated part 4, and the pressing rod 21 is contacted with the top of the prefabricated part 4. Like this, through adjusting the position of depression bar 21 on two stands 22 for depression bar 21 crimping is in prefabricated component 4's top, and then depression bar 21 blocks prefabricated component 4, prevents that prefabricated component 4 from floating up the removal at the in-process of concreting, and then guarantees prefabricated component 4's accurate positioning, simple structure, the implementation of being convenient for.

Preferably, the surface of the pressing rod 21 facing the prefabricated part 4 is provided with a pressing plate 26, that is, the pressing plate 26 is arranged on the bottom surface of the pressing rod 21, and the pressing plate 26 is in contact with the top of the prefabricated part 4. More preferably, an elastic buffer, which may be a soft rubber material, is provided between the compression joint plate 26 and the top of the prefabricated element 4.

A plurality of first stiffening ribs 27 are arranged between the pressure connecting plate 26 and the side wall of the pressure rod 21, specifically, the size of the pressure connecting plate 26 is larger than that of the bottom surface of the pressure rod 21, the first stiffening ribs 27 are arranged between the part of the pressure connecting plate 26 outside the pressure rod 21 and the two side walls opposite to the pressure rod 21, and each first stiffening rib 27 is uniformly arranged along the length direction of the pressure rod 21.

In specific implementation, each upright column 22 may be a steel upright column, and each upright column 22 is welded to the side wall of the support body 1. The compression bar 21 can be made of light high-strength aluminum alloy materials.

Referring to fig. 1 and 2, the first anti-floating mechanism 2 may further include: two collars 23 and two stoppers 24. The two collars 23 correspond to the two ends of the pressure rod 21 one by one, and the two collars 23 correspond to the two columns 22 one by one. Each end of the pressure lever 21 is provided with a collar 23, each collar 23 is slidably sleeved outside the corresponding upright 22, specifically, the shape of the collar 23 is the same as that of the upright 22, and the size of the inner wall of the collar 23 is larger than that of the upright 22, so that the collar 23 can freely slide along the height direction of the upright 22.

The two limiting members 24 correspond to the two columns 22 one by one, and each limiting member 24 is detachably connected to the corresponding column 22, that is, each limiting member 24 is relatively fixed to the corresponding column 22. Each limiting member 24 is disposed on an upper portion (with respect to fig. 2) of the corresponding collar 23, each limiting member 24 is in contact with the corresponding collar 23, and each limiting member 24 is used for crimping the collar 23. Because the compression bar 21 is in contact with the top of the prefabricated part 4, the top of the prefabricated part 4 is limited by the compression bar 21, and because the two limiting parts 24 are in one-to-one contact with the two lantern rings 23, and the two limiting parts 24 are arranged on the upper parts of the two lantern rings 23, namely, the compression bar 21 is limited, so that when the prefabricated part 4 is vibrated and concrete is poured, the prefabricated part 4 is limited by the compression bar 21, and the compression bar 21 is limited by the two limiting parts 24, the position of the compression bar 21 cannot move, so that the prefabricated part 4 cannot move, namely, the upward floating movement of the prefabricated part 4 in the pouring vibration process is prevented.

The position-adjustable connection between each upright 22 and the corresponding limiting member 24 can be implemented in many ways, and the present embodiment is only described in one of the ways, but is not limited to the following: the outer wall of every stand 22 all is provided with a plurality of first latches 25 along its direction of height, and every locating part 24 is the torsional spring buckle, and every torsional spring buckle all is the annular to, the inner wall of every torsional spring buckle is provided with second latch 28, and the outside of corresponding stand 22 is all located to every torsional spring buckle cover, and, the second latch 28 and arbitrary one first latch 25 looks block of every torsional spring buckle.

Specifically, each first latch 25 is annular, and the first latches 25 are uniformly arranged along the height direction of the column 22.

The torsional spring buckle is annular and inside cavity, and the inside of torsional spring buckle is worn to locate by stand 22, and the inside dimension of torsional spring buckle is greater than the outside dimension of stand 22, then the torsional spring buckle can follow stand 22 and freely slide. The second latch 28 sets up in the bottom of torsional spring buckle inner wall, and when the torsional spring buckle contacted with lantern ring 23 along the bottom that stand 22 slided to the torsional spring buckle, second latch 28 and the first latch 25 looks block of arbitrary round wherein, then torsional spring buckle and stand 22 relatively fixed, then the torsional spring buckle carries on spacingly to the lantern ring 23, prevents that lantern ring 23 from upwards (for fig. 2) removing along stand 22. The anti-vibration performance of the torsion spring buckle is good, the vibration of the vibration table 6 can be effectively resisted, the pressing rod 21 is prevented from loosening, and the anti-floating effect is ensured. And, the torsional spring buckle can reciprocate, is applicable to the prefabricated component 4 of different thickness and not isostructure, and reuse rate is high.

In particular, the torsion spring catch may include: two buckle bodies, two buckle bodies dock each other to enclose and establish a cavity, so that stand 22 wears to establish this cavity and slides in the cavity. Two extending bodies are arranged at two ends of the top of each buckling body, the two extending bodies are respectively arranged at two sides of the upright column 22, and the two extending bodies of the two buckling bodies are oppositely arranged. The connection structure of two fasteners at one side of the column 22 is taken as an example for introduction, and the connection structure of two fasteners at two sides of the column 22 is the same: the two extending bodies are provided with through holes, the rotating shaft penetrates through the two through holes and is rotatably connected with the two extending bodies, and the torsional spring is sleeved on the part, between the two through holes, of the rotating shaft. The second latch 28 is disposed on the inner wall of the bottom of the fastening body. When the torsion spring buckle needs to slide relative to the upright post 22, the tops of the two buckle bodies are clamped, and the second latch 28 is separated from the first latch 25. When the torsion spring buckle slides to contact with the lantern ring 23, the tops of the two buckle bodies are loosened, and the second latch 28 is clamped with the first latch 25 in one circle.

In specific implementation, one, two or more first anti-floating mechanisms 2 may be provided according to actual situations, and this embodiment does not limit this.

Referring to fig. 1, 3 to 5, in each of the above embodiments, the second anti-floating mechanism 3 may include: a plurality of pressing members 31. Wherein, a plurality of recesses 11 have all been seted up to two relative lateral walls in the width direction of supporter 1, and each recess 11 sets up at the interval on the lateral wall of supporter 1. Each groove 11 extends from the top to the bottom of the side wall of the support body 1, and the grooves 11 on the two side walls of the support body 1 correspond one to one. Specifically, two opposite lateral walls in the width direction of the support body 1 are two positioning plates 13, each positioning plate 13 is provided with a plurality of grooves 11, and the grooves 11 on the two positioning plates 13 are the same in number and are in one-to-one correspondence in position.

The number of the vertical steel bars 41 is multiple, the vertical steel bars 41 are arranged at intervals, each vertical steel bar 41 corresponds to each groove 11 one by one, specifically, the number of the vertical steel bars 41 is the same as that of the grooves 11 on any one positioning plate 13, and the positions of the vertical steel bars 41 correspond to those of the grooves 11 one by one. Two ends of each vertical reinforcing bar 41 penetrate through the corresponding grooves 11 on the two side walls of the supporting body 1, and two ends of each vertical reinforcing bar 41 are arranged outside the supporting body 1.

The quantity of the pressing pieces 31 is the same as that of the grooves 11, each pressing piece 31 corresponds to each groove 11 one by one, each pressing piece 31 is inserted into the corresponding groove 11, and each pressing piece 31 limits the movement of the vertical steel bar 41. Specifically, each pressing member 31 has a preset elasticity, the size of each pressing member 31 is larger than that of the corresponding groove 11, and each pressing member 31 is elastically pressed in the corresponding groove 11, so that the space of the groove 11 is filled with the pressing members 31, the vertical steel bars 41 are prevented from moving, that is, the vertical steel bars 41 are prevented from floating upwards in the casting vibration process, and the vibration and concrete casting of the prefabricated part 4 are ensured. And, the compressing pieces 31 play a role in sealing and preventing slurry leakage.

In specific implementation, the bottom of each groove 11 is arc-shaped so as to accommodate the vertical steel bar 41, and the arc-shaped is matched with the outer diameter of the vertical steel bar 41. Each pressing piece 31 is provided with an arc-shaped groove at the contact position with the vertical steel bar 41, and the arc-shaped groove is matched with the vertical steel bar 41.

Referring to fig. 4 and 5, each of the pressing pieces 31 may include: a first connector 311, a second connector 312, and a third connector 313. The first connecting member 311 is parallel to the second connecting member 312, and the third connecting member 313 is vertically clamped between the first connecting member 311 and the second connecting member 312 to form an i-shaped structure. Specifically, both ends of the third connection member 313 are connected to the first connection member 311 and the second connection member 312, respectively, and the third connection member 313 is perpendicular to both the first connection member 311 and the second connection member 312.

The third connecting member 313 is clamped in the groove 11, the first connecting member 311 is arranged outside the supporting body 1, and the second connecting member 312 is arranged inside the supporting body 1. Specifically, the third connection member 313 divides the space between the first connection member 311 and the second connection member 312 into two parts, and the side walls of the support body 1 on both sides of the recess 11 are respectively clamped in the two parts of the space.

It can be seen that, in this embodiment, every compresses tightly a 31 and is the I-shaped structure, not only can carry on spacingly to vertical reinforcement 41, prevents the come-up removal of vertical reinforcement 41 to, the recess 11 department is shutoff with second connecting piece 312 to first connecting piece 311 in every compresses tightly a 31, and the quality of precast element 4 is guaranteed in the leakage of concrete when preventing to pour concrete.

Referring to fig. 1, in each of the above embodiments, a plurality of second stiffening ribs 5 are provided on each of two opposite side walls in the width direction of the supporting body 1, and each of the second stiffening ribs 5 is provided on the side wall of the supporting body 1 at regular intervals to improve the strength and rigidity of the supporting body 1. In specific implementation, the second stiffening ribs 5 are respectively arranged on the two positioning plates 13.

Referring to fig. 1 to 5, first, a measurement line is laid out, the support body 1 is set on the vibration table 6, and two columns 22 are installed. Then, the vertical steel bars 41 and the protective layer cushion blocks of the prefabricated part 4 are placed, and two ends of the vertical steel bars 41 penetrate through the grooves 11 of the support body 1 and are provided with the pressing pieces 31. Then, truss rebars 43 and transverse rebars 42 are placed, and rebar tying and corresponding embedment installation are performed. And then installing the compression bar 21, sleeving the lantern rings 23 at the two ends of the compression bar 21 on the two upright posts 22, tightly attaching the compression joint plate 26 at the bottom of the compression bar 21 to the top of the truss reinforcing steel bars 43, then installing two torsion spring buckles, fixing the compression bar 21 through the torsion spring buckles, and further preventing the truss reinforcing steel bars 43 from floating upwards. And finally, pouring and vibrating concrete, and curing and forming.

In conclusion, in this embodiment, the prefabricated part 4 is placed inside the supporting body 1, the first anti-floating mechanism 2 limits the top of the prefabricated part 4, and the second anti-floating mechanism 3 limits the vertical steel bars 41 in the prefabricated part 4, so that the prefabricated part 4 can be effectively prevented from floating and moving, the prefabricated part 4 can be accurately positioned, the thickness of subsequent poured concrete is ensured, and the quality of the prefabricated part 4 is ensured.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A formwork apparatus for prefabricated components, comprising: the device comprises a support body (1), a first anti-floating mechanism (2) and a second anti-floating mechanism (3); wherein the content of the first and second substances,

the top of the support body (1) is an open end, the bottom of the support body (1) is used for being arranged on a vibration table (6), and the interior of the support body (1) is hollow and used for accommodating a prefabricated part (4);

the first anti-floating mechanism (2) is arranged at the top of the support body (1) and used for limiting the top of the prefabricated part (4);

the second anti-floating mechanisms (3) are arranged on two opposite sides of the support body (1) and used for limiting vertical steel bars (41) in the prefabricated part (4).

2. Formwork arrangement of prefabricated elements, according to claim 1, characterized in that said first anti-floating mechanism (2) comprises: a pressure lever (21) and two upright posts (22); wherein the content of the first and second substances,

the two upright columns (22) are respectively arranged on the outer side walls of two opposite sides of the support body (1) in the length direction;

the pressing rod (21) is transversely arranged between the two upright columns (22), two ends of the pressing rod (21) are respectively in one-to-one correspondence with the two upright columns (22) and are connected with the two upright columns in a position-adjustable manner, and the pressing rod (21) is arranged on the upper portion of the supporting body (1) and is in contact with the top of the prefabricated part (4).

3. The formwork device of prefabricated elements according to claim 2, characterized in that said first anti-floating mechanism (2) further comprises: two collars (23) and two stoppers (24); wherein the content of the first and second substances,

each end of the pressure lever (21) is provided with one lantern ring (23), and each lantern ring (23) is slidably sleeved outside the corresponding upright post (22);

the two limiting pieces (24) correspond to the two upright columns (22) one by one and are detachably connected, and each limiting piece (24) is arranged on the upper portion of the corresponding lantern ring (23) to crimp the lantern ring (23).

4. The formwork apparatus for prefabricated parts according to claim 3,

the outer wall of each upright post (22) is provided with a plurality of first clamping teeth (25);

every locating part (24) is the torsional spring buckle, every the torsional spring buckle all is the annular and the inner wall is provided with second latch (28), every the torsional spring buckle all overlap the outside of locating corresponding stand (22) and second latch (28) with arbitrary first latch (25) looks block.

5. A formwork arrangement of prefabricated parts according to claim 2, characterized in that a surface of the compression bar (21) facing the prefabricated part (4) is provided with a crimping plate (26), the crimping plate (26) is in contact with the top of the prefabricated part (4), and a plurality of first stiffening ribs (27) are provided between the crimping plate (26) and the side walls of the compression bar (21).

6. A prefabricated unit formwork device according to claim 5, wherein an elastic buffer is arranged between the crimping plate (26) and the top of the prefabricated unit (4).

7. The formwork device of prefabricated elements according to claim 1, characterized in that said second anti-floating mechanism (3) comprises: a plurality of pressing members (31); wherein the content of the first and second substances,

a plurality of grooves (11) are formed in two opposite side walls of the supporting body (1) in the width direction, each groove (11) extends from the top to the bottom of the side wall of the supporting body (1), and the grooves (11) in the two side walls of the supporting body (1) correspond to one another;

the supporting body is characterized in that the vertical reinforcing steel bars (41) are arranged at intervals, each vertical reinforcing steel bar (41) corresponds to each groove (11) one by one, and two end parts of each vertical reinforcing steel bar (41) are respectively arranged in the corresponding grooves (11) on the two side walls of the supporting body (1) in a penetrating manner and are arranged outside the supporting body (1);

the pressing pieces (31) are inserted into the grooves (11) in a one-to-one correspondence mode so as to limit the movement of the vertical reinforcing steel bars (41).

8. The formwork device for prefabricated parts according to claim 7, wherein each of the compression members (31) has a predetermined elasticity, and the size of each of the compression members (31) is greater than that of the corresponding groove (11).

9. The formwork device for prefabricated units according to claim 7, wherein each of said compression members (31) comprises: a first connection member (311), a second connection member (312), and a third connection member (313); wherein the content of the first and second substances,

the first connecting piece (311) is parallel to the second connecting piece (312), and the third connecting piece (313) is vertically clamped between the first connecting piece (311) and the second connecting piece (312) to form an I-shaped structure;

the third connecting piece (313) is clamped in the groove (11), the first connecting piece (311) is arranged outside the supporting body (1), and the second connecting piece (312) is arranged inside the supporting body (1).

10. The formwork device for prefabricated units according to claim 1, wherein the support body (1) has a plurality of second stiffening ribs (5) spaced apart from each other on both widthwise opposite side walls.

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