CN211974311U

CN211974311U - Narrow deformation joint regularization integral lifting type large formwork

Info

Publication number: CN211974311U
Application number: CN201922293577.7U
Authority: CN
Inventors: 柏兵; 苏远东; 杨永红; 杨伟; 冉棣文; 朱东坡; 孙晓伦
Original assignee: China Nuclear Southwest Construction Project Parent Co
Current assignee: China Nuclear Southwest Construction Project Parent Co
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-11-20
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a narrow deformation joint forming integral lifting type large formwork, which is characterized in that the structure is symmetrical on two sides and mainly comprises an inner formwork, an outer formwork, a back ridge, a frame support, a counter-pull screw and a laying platform plate; reserved holes are formed in the poured wall body at equal intervals, finish rolling threaded rods are inserted into the reserved holes, and the shelving platform plate is placed on the finish rolling threaded rods; the outer side template is fixedly connected through a counter-pulling screw rod, and the bottom of the outer side template is supported on the placing platform plate; the frame support comprises a transverse frame and a longitudinal frame, a bracket with a groove is arranged at the intersection of the transverse frame and the longitudinal frame, the shape of the groove on the bracket is matched with the arc surface of the long axis of the oval steel pipe, and the oval steel pipe is supported on the groove of the bracket; the two tail ends of the elliptical tube are respectively fastened at the upper part by fastening blocks. The utility model relates to a structure has easy dismounting, can have enough to meet the need the use, and the high characteristics of structure bulk rigidity have good technical and economic benefits.

Description

Narrow deformation joint regularization integral lifting type large formwork

Technical Field

The utility model belongs to the technical field of building engineering, especially, relate to narrow movement joint regularization whole promotion formula large formwork.

Background

The construction operation space at the deformation joint part is narrow, the construction conditions of the conventional loose-splicing formwork supporting method are not met, and the continuous construction requirements of the slip form are not met. If an extruded polystyrene board sandwich process is adopted, the fixation is difficult, the displacement is easy to occur when the cushion block of the steel bar protection layer is placed, the casting forming protection layer is difficult to control, the section size of the wall body is difficult to control, a single-side formwork system is difficult to reinforce, the axis displacement and the expansion probability are high, and meanwhile, polystyrene board foam chips are easy to generate in the operation process, the cleaning is difficult, the materials are wasted, and the cost is increased. If a wood formwork construction method is adopted, workers cannot enter a deformation joint to carry out formwork mounting and dismounting operation during construction, the formworks can only be abandoned in the deformation joint after the construction of the shear walls on the two sides, the deformation performance of the structure is restrained, and the safety performance of the whole structure is further influenced.

Therefore, the conventional template construction method cannot adapt to the construction of the shear wall between the narrow deformation joints.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big template of narrow movement joint regularization whole promotion formula, the template system safe and reliable who obtains is suitable for popularization and application in the construction of narrow movement joint formwork.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model discloses a narrow movement joint regularization whole body promotion formula large formwork, including the wall body of having pour, the movement joint cavity has in the wall body of having pour, and the inboard template is all installed to the inboard upper end of the wall body of having pour of movement joint cavity both sides, a pair of outside template is installed to the outside upper end of the wall body of having pour, and two inboard templates are located between the two outside templates, connect through the split screw rod between inboard template, the two outside templates, the surface mounting of two outside templates has one row of back of the body stupefied, passes through bolted connection between the adjacent two back of the body stupefied, the stupefied grid form that becomes with one row of vertical back of the body of one row horizontal back of the body stupefied, one row of frame support is installed to the internal surface department of inboard template, and the frame support is the grid form that one row of vertical lath, horizontal lath constitute, adjacent two through bolted connection, The hinged parts of the transverse battens are provided with brackets, and oval steel pipes are placed on the brackets in rows corresponding to the two frame supports.

Furthermore, one outer side surface of two longitudinal back ridges on the outermost side of one outer side of each back ridge is provided with a row of back ridge socket and spigot notches, the bottom surface of each back ridge socket and spigot notch is provided with a second back ridge bolt hole B, the outer surface of the other longitudinal back ridge is provided with a back ridge insertion end matched with the back ridge socket and spigot notch, and the back ridge insertion end is internally provided with a first back ridge bolt hole A.

Further, the outer surface of one longitudinal lath of the two outermost longitudinal laths on each frame support is provided with a frame socket notch, the bottom end of the frame socket notch is provided with a row of second frame bolt holes B, the outer surface of the other longitudinal lath is provided with a frame insertion end matched with the frame socket notch, and the frame insertion end is internally provided with a first frame bolt hole A.

Further, the upper ends of the two opposite frame supports () are connected by a connecting screw ().

Further, the oval steel pipe passes through the fastening block to be fixed on the bracket, the fastening block has semi-oval recess, the up end department of having on the bracket has seted up first bolt hole A, the second bolt hole B that has corresponding first bolt hole A on the fastening block, the fastening block passes through the bolt fastening on the bracket.

Furthermore, a transverse rib and a vertical rib are bound between the two adjacent inner side templates and the outer side templates, and the contact positions of the transverse rib and the vertical rib are welded or connected through steel wire binding.

And furthermore, a prefabricated inner stay is arranged between the adjacent inner side template and the outer side template.

Furthermore, the two ends of the opposite-pulling screw rod are provided with clamping parts, the round steel pipe is pressed on the back edge by the clamping parts, and the outer end of the opposite-pulling screw rod, which is positioned on the upper clamping part, is matched with a screw cap.

The utility model discloses following beneficial effect has:

the templates on two sides of the double shear wall can be simultaneously installed, the back edges and the frame supports are respectively subjected to stereotyped prefabricated production and can be repeatedly used, the back edges and the frame supports can be integrally assembled and hoisted, one end of each split bolt is welded, the other end of each split bolt is movably connected, and the split bolts are fixed in a split mode, so that the installation is simple and convenient.

The method is characterized in that the principle that the major axis and the minor axis of the ellipse are unequal in length is utilized, the major axis direction of the ellipse steel pipe is perpendicular to the template and fixed when the template is fixed, the ellipse steel pipe is rotated by 90 degrees when the template is removed, the major axis is parallel to the template, the difference formed by the length of the major axis and the length of the minor axis is the gap of the template removal, and the steel pipe can be taken out.

The long axis direction of the oval steel pipe is perpendicular to the inner die for fixing, the rigidity is enhanced, and the template deformation can be controlled conveniently.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a large lifting type integral forming board for shaping a narrow deformation joint.

Fig. 2 is a schematic structural diagram of a back ridge unit.

Fig. 3 is a structural schematic view of the frame support unit.

Fig. 4 is an enlarged view of fig. 2A.

Fig. 5 is an enlarged view of fig. 2B.

Fig. 6 is an enlarged view of fig. 3C.

Fig. 7 is an enlarged view of fig. 3D.

Figure 8 is a schematic view of the fastening block construction.

Fig. 9 is a schematic view of a split screw structure.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a wall body is poured; 2-finish rolling the threaded rod; 3-round steel pipe; 4-laying the platform plate; 5-outer side template; 6-dorsal bar; 7-a steel plate; 8-a screw cap; 9-mountain-shaped buckle; 10-oppositely pulling screw rods; 11-prefabricating an inner stay; 12-inner side form; 13-a frame support; 14-a bracket; 15-a wall to be poured; 16-deformation joint cavity; 17-an oval steel tube; 18-bolt; 19-a fastening block; 20-vertical ribs; 21-transverse bar; 22-connecting screw; 24-transverse back ridges; 25-longitudinal back ridges; 26-dorsal horn insertion end; 27A-first back ridge bolt hole; 27B-second back ridge bolt hole; 28-back ridge socket and spigot notch; 29-transverse slats; 30-longitudinal slats; 31-frame insertion end; 32A-first frame bolt hole; 32B-second frame bolt holes; 33-frame socket rebate; 34-a bracket; 35A-bolt hole; 35B-bolt hole; 36-semi-elliptical recess.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Please refer to fig. 1-7, the utility model discloses a narrow movement joint regularization whole lifting type large formwork has movement joint cavity 4 in the wall body 1 has been pour, all installs inboard template 12 on the inboard upper end of the wall body 1 that has been pour of movement joint cavity 4 both sides, has pour the wall body 1 upper end outside and install a pair of outside template 5, and two inboard templates 12 are located between two outside templates 5.

And prefabricated inner supporting strips 11 are arranged between the adjacent inner side templates 12 and the outer side templates 5, concrete can be poured between the adjacent inner side templates 12 and the adjacent outer side templates 5 to form a wall body 15 to be poured, and a cavity communicated with a deformation joint cavity 4 in the poured wall body 1 is arranged between the walls 15 to be poured after the templates are built.

Further, horizontal muscle 21 and perpendicular muscle 20 have been binded between adjacent inboard template 12, the outside template 5, and horizontal muscle 21 and the welding of perpendicular muscle 20 contact department or through steel wire binding connection, pour the intensity of cavity after increasing through horizontal muscle 21 and perpendicular muscle 20.

The inner side formwork 12 is provided with a row of frame supports 13 at the inner surface, each frame support 13 is a grid-shaped plate formed by a row of longitudinal laths 30 and transverse laths 29, two adjacent frame supports 13 are connected through bolts, the hinged part of each longitudinal lath 30 and the corresponding transverse lath 29 is provided with a bracket 14, the outer surface of one longitudinal lath 30 of the two outermost longitudinal laths 30 on each frame support 13 is provided with a frame socket notch 33, the bottom end of the frame socket notch 33 is provided with a row of second frame bolt holes 32B, the outer surface of the other longitudinal lath 30 is provided with a frame insertion end 31 matched with the frame socket notch 33, and the frame insertion end 31 is internally provided with a first frame bolt hole 32A.

The outer surface of the two outer side templates 5 is provided with a row of back ridges 6, each back ridge 6 is a grid-shaped plate consisting of a row of transverse back ridges 24 and a row of longitudinal back ridges 25, one outer side surface of one outer side two longitudinal back ridges 25 of each back ridge 6 is provided with a row of back ridge socket and spigot notch 28, the bottom surface of each back ridge socket and spigot notch 28 is provided with a second back ridge bolt hole 27B, the outer surface of the other longitudinal back ridge 25 is provided with a back ridge insertion end 26 matched with the back ridge socket and spigot notch 28, a first back ridge bolt hole 27A is arranged in the back ridge insertion end 26, and the two adjacent back ridges 6 are connected through bolts.

The upper ends of the two opposite frame supports 13 are connected through a connecting screw 22.

The two opposite frame supports 13 are placed on the corbels 14 corresponding to the rows, the specific oval steel pipes 17 are fixed on the corbels 14 through the fastening blocks 19, the fastening blocks 19 are provided with semi-oval grooves 36, the corbels 14 are provided with upper end faces and provided with first bolt holes 35A, the fastening blocks 19 are provided with second bolt holes 35B corresponding to the first bolt holes 35A, and the fastening blocks 19 are fixed on the corbels 14 through bolts.

By utilizing the unequal length principle of the major axis and the minor axis of the ellipse, the major axis direction of the oval steel pipe 17 is perpendicular to the inner side template 12 and is fixed when the template is fixed, and when the template is removed, the oval steel pipe 17 is rotated by 90 degrees, so that the major axis is parallel to the inner side template 12, and the difference formed by the length of the major axis and the length of the minor axis is the gap of the template removal, so that the steel pipe can be taken out.

Further, the inner side formwork 12 and the two outer side formworks 5 are connected through the opposite-pulling screw rods 10, clamping portions are arranged at two ends of the opposite-pulling screw rods 10 and are respectively a mountain-shaped buckle 9, the circular steel pipe 3 which is transversely arranged is pressed on the back ridge 6 through the clamping portions, one side of each mountain-shaped buckle 9 is pressed on the circular steel pipe 3, the circular steel pipe 3 is at least pressed through the two mountain-shaped buckles 9, the outer end, located at the upper clamping portion, of the opposite-pulling screw rod 10 is matched with the nut 8, and the corresponding clamping portions can also be formed by steel plates with through holes and the nut 8.

It is preferred to have a row of finish rolling threaded rod 2 in having pour wall body 1, has placed on this row of finish rolling threaded rod 2 and has shelved the landing slab 4, and the bottom of two inboard templates 12 is contradicted at the both ends edge of shelving the landing slab 4.

The back edge 6 and the frame support 13 are respectively subjected to stereotyped prefabricated production and can be repeatedly used, the back edge and the frame support can be integrally assembled and hoisted, and the split bolts 10 with one ends welded and the other ends movably connected are adopted for split fixation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Narrow movement joint regularization whole promotion formula large formwork, including pouring wall body (1), have movement joint cavity (4) in pouring wall body (1), inboard template (12) have all been installed to the inboard upper end of pouring wall body (1) of movement joint cavity (4) both sides, a pair of outside template (5) are installed to the outside upper end of pouring wall body (1), and two inboard templates (12) are located between two outside templates (5), connect its characterized in that through split screw (10) between inboard template (12), two outside templates (5): the surface mounting of two outside templates (5) has one row of stupefied (6) of back of the body, stupefied (6) of the back of the body be the grid form board for one row of stupefied (24) of horizontal back of the body and one row of stupefied (25) of vertical back of the body are constituteed, through bolted connection between two adjacent stupefied (6) of the back of the body, the internal surface department of inboard template (12) installs one row of frame support (13), and frame support (13) are the grid form board that one row of vertical lath (30), horizontal lath (29) constitute, adjacent two through bolted connection between frame support (13), the articulated department of vertical lath (30), horizontal lath (29) has bracket (14), two relatively placed oval steel pipe (17) on frame support (13) correspond bracket (14) in a row.

2. The large narrow deformation joint stereotyped lifting formwork according to claim 1, wherein one of the two outermost longitudinal back ridges (25) on the outer side of each back ridge (6) is provided with a row of back ridge socket notches (28), the bottom surfaces of the back ridge socket notches (28) are provided with second back ridge bolt holes (27B), the outer surface of the other longitudinal back ridge (25) is provided with a back ridge inserting end (26) matched with the back ridge socket notches (28), and the back ridge inserting end (26) is internally provided with first back ridge bolt holes (27A).

3. A large formwork of narrow deformation joint sizing and lifting type, according to claim 1, characterized in that the outer surface of one (30) of the two outermost longitudinal laths (30) on each frame support (13) is provided with a frame socket notch (33), the bottom end of the frame socket notch (33) is provided with a second frame bolt hole row (32B), the outer surface of the other longitudinal lath (30) is provided with a frame inserting end (31) matching with the frame socket notch (33), and the frame inserting end (31) is internally provided with a first frame bolt hole (32A).

4. The large narrow deformation joint sizing and lifting formwork according to claim 1 or 3, wherein the upper ends of the two opposite frame supports (13) are connected through a connecting screw rod (22).

5. The large narrow deformation joint sizing and lifting formwork according to claim 1, wherein the oval steel pipe (17) is fixed on the bracket (14) through a fastening block (19), the fastening block (19) is provided with a semi-oval groove (36), the bracket (14) is provided with a first bolt hole (35A) at the upper end face, the fastening block (19) is provided with a second bolt hole (35B) corresponding to the first bolt hole (35A), and the fastening block (19) is fixed on the bracket (14) through bolts.

6. The large narrow deformation joint sizing and lifting type integral formwork according to claim 1, wherein a transverse rib (21) and a vertical rib (20) are bound between the adjacent inner formwork (12) and the outer formwork (5), and the contact part of the transverse rib (21) and the vertical rib (20) is welded or connected through steel wire binding.

7. The large narrow deformation joint sizing and lifting formwork according to claim 1, wherein a prefabricated inner supporting strip (11) is arranged between the adjacent inner formwork (12) and the outer formwork (5).

8. The large narrow deformation joint sizing and lifting formwork according to claim 1, wherein the two ends of the split screw (10) are provided with clamping parts which press the round steel pipe (3) on the back ridge (6), and the outer end of the split screw (10) at the upper clamping part is matched with a nut (8).