CN221663442U - A combined wooden formwork for cast-in-place simply supported beam inner box - Google Patents

Abstract

The present application relates to the field of building construction technology, specifically a combined wooden formwork for a cast-in-place simply supported beam inner box, including an inner support mechanism installed on the bottom plate of the inner box, the inner support mechanism including a first steel frame, a second steel frame at one end of the first steel frame, a third steel frame at one end of the second steel frame, a fourth steel frame at the other end of the first steel frame, and the fourth steel frame, the first steel frame, the second steel frame and the third steel frame surround the inner box frame. The present application sets up an inner support mechanism to achieve the rapid construction of the cast-in-place simply supported beam inner box casting template, while having the characteristics of strong integrity of the combined steel formwork, short construction time, light support wooden formwork structure and high economic benefits, and can effectively improve the construction efficiency of the cast-in-place simply supported beam inner box and the overall cleanliness of the construction site.

Description

Combined wood die of cast-in-situ simply supported beam inner box

Technical Field

The application relates to the technical field of building construction, in particular to a combined wood die of an inner box of a cast-in-situ simply supported beam.

Background

The simple girder bridge belongs to a statically determinate structure, has definite stress, simple structure and convenient construction, is the bridge type with the widest application of medium and small span, is easy to design into a series and standardized structure in the structural dimension, is beneficial to organizing large-scale prefabrication production, and is erected by using hoisting equipment or a bridge girder erection machine.

The cast-in-situ simple box girder is a common cast-in-situ structure in the current construction, and the inner box of the simple box girder is generally constructed by adopting a method of combining steel templates or erecting a bracket and paving a wood model on the top of the bracket.

In view of the above-mentioned related art, the present inventors have found that, in the process of implementing the technical solution of the present application, at least the following technical problems exist: the steel investment of the combined steel mould is large, the economic benefit is poor, the combined steel mould has large self weight, the mechanical configuration is required to be high, and the construction efficiency is low; the overall weight of the support matched with the wood die is light, but the quality of the inner box is difficult to control in the construction process, the phenomenon of dislocation easily occurs, the support is long in setting time, and the civilized construction of the box chamber is difficult to control.

Disclosure of utility model

The application aims to provide a combined wood die of a cast-in-situ simply supported beam inner box, which solves the problems of large steel investment, poor economic benefit, large dead weight and high requirement on mechanical configuration of a combined steel die; the overall weight of the erection support matched with the wood form is light, but the quality of the inner box is difficult to control in the construction process, the phenomenon of dislocation easily occurs, the erection time of the support is long, the civilized construction of a box room is difficult to control, the quick construction of the cast-in-situ simply supported beam inner box pouring template is realized, meanwhile, the characteristics of strong integrity of the combined steel die, short construction time, light wood form structure of the support and high economic benefit are combined, and meanwhile, the construction efficiency of the cast-in-situ simply supported beam inner box and the overall cleanliness of a construction site can be effectively improved.

The application provides a combined wood die of an inner box of a cast-in-situ simple beam, which comprises an inner supporting mechanism arranged on an inner box bottom plate, wherein the inner supporting mechanism comprises a first steel skeleton, one end of the first steel skeleton is provided with a second steel skeleton, one end of the second steel skeleton is provided with a third steel skeleton, the other end of the first steel skeleton is provided with a fourth steel skeleton, the first steel skeleton, the second steel skeleton and the third steel skeleton enclose the inner box frame, an inner die skeleton diagonal bracing is arranged on the inner wall of the first steel skeleton, an inner die skeleton diagonal bracing is also arranged on the inner walls of the second steel skeleton, the third steel skeleton and the fourth steel skeleton, the outer side of the inner box frame is provided with a wood die assembly, and the outer side of the wood die assembly is provided with a plywood.

Further, be equipped with a plurality of connecting seat on the inner wall of inner box frame, a plurality of the circumference evenly distributed of inner box frame is followed to the connecting seat, and is relative two be equipped with the interior mould vaulting pole that has adjusting bolt between the connecting seat, the both ends of interior mould vaulting pole are equipped with the connector, the connector is pegged graft in the connecting seat, peg graft in the connecting seat has connecting bolt, the connector passes through connecting bolt and connecting seat fixed connection.

Further, the lower ends of the two inner mold supporting rods close to the joint of the first steel framework and the second steel framework are provided with grounding supporting plates, and the grounding supporting plates are abutted with the bottom plate of the inner box.

Further, one end of the first steel skeleton is provided with an outer side steel plate, a bolt hole is formed in the other end of the first steel skeleton and close to the edge, a splicing bolt is inserted into the bolt hole, outer side steel plates and bolt holes are formed in the surfaces of the second steel skeleton, the third steel skeleton and the fourth steel skeleton, the first steel skeleton is connected with the second steel skeleton and the fourth steel skeleton through the splicing bolts, and the second steel skeleton is connected with the first steel skeleton and the third steel skeleton through the splicing bolts.

Further, the wood pattern assembly comprises a plurality of longitudinal square timber, the longitudinal square timber is uniformly distributed along the circumferential direction of the outer side wall of the inner box frame, the longitudinal square timber is perpendicular to the plane where the inner box frame is located, transverse square timber symmetrically distributed with respect to the longitudinal square timber is arranged at two ends of the longitudinal square timber, the transverse square timber is perpendicular to the longitudinal square timber, and the plane where the transverse square timber is parallel to the plane where the inner box frame is located.

The one or more technical schemes provided by the application have at least the following technical effects or advantages:

Because the internal bracing mechanism is adopted, the first steel skeleton, the second steel skeleton, the third steel skeleton and the fourth steel skeleton are spliced into the internal box frame, square timber is surrounded on the periphery of the internal box frame, and plywood is paved on the periphery of the square timber, the problems of large steel investment of the combined steel mould, poor economic benefit, large dead weight and high requirement on mechanical configuration are solved; the overall weight of the erection support matched with the wood form is light, but the quality of the inner box is difficult to control in the construction process, the phenomenon of dislocation easily occurs, the erection time of the support is long, the civilized construction of a box room is difficult to control, the quick construction of the cast-in-situ simply supported beam inner box pouring template is realized, meanwhile, the characteristics of strong integrity of the combined steel die, short construction time, light wood form structure of the support and high economic benefit are combined, and meanwhile, the construction efficiency of the cast-in-situ simply supported beam inner box and the overall cleanliness of a construction site can be effectively improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a wood pattern assembly according to an embodiment of the present application;

FIG. 3 is a schematic view of an inner support mechanism according to an embodiment of the present application;

FIG. 4 is a schematic plan view of the overall structure of an embodiment of the present application;

In the figure: 1. an inner box bottom plate; 2. an inner support mechanism; 21. a first steel skeleton; 22. a second steel skeleton; 23. a third steel skeleton; 24. a fourth steel skeleton; 25. internal mold framework diagonal bracing; 26. an outer steel plate; 27. a bolting hole; 271. splicing bolts; 28. a connecting seat; 281. a connecting bolt; 29. an inner mold stay bar; 291. a connector; 292. a grounding support plate; 20. a cross rotary buckle; 3. a wood pattern assembly; 31. longitudinal square timber; 32. transverse square timber; 4. and (5) plywood.

Detailed Description

The application discloses a combined wood die of an inner box of a cast-in-situ simply supported beam, which is provided with an inner die mechanism, wherein a fourth steel skeleton 24, a first steel skeleton 21, a second steel skeleton 22 and a third steel skeleton 23 are connected in series and form an inner box frame of the steel skeleton, connecting seats 28 uniformly distributed along the circumferential direction of the inner box frame are arranged on the inner wall of the inner box frame, inner die supporting rods 29 with adjustable length threaded rods are arranged at two ends of the connecting seats 28 through connecting bolts 281 and the connecting heads 291, the inner box frame is supported, a plurality of longitudinal square bars 31 are uniformly arranged at the periphery of the inner box frame along the circumferential direction of the inner box frame, the longitudinal square bars 31 are perpendicular to the plane of the inner box frame, plywood 4 is arranged on the outer side wall of the longitudinal square bars 31, and the inner wall of the plywood 4 is attached to the outer side wall of the longitudinal square bars 31.

In order to better understand the above technical solutions, the following detailed description will refer to fig. 1-4 and specific embodiments of the present disclosure.

Referring to fig. 1 to 4, the application discloses a combined wood die of an inner box of a cast-in-situ simple beam, which comprises an inner die mechanism, a wood die assembly 3 and a plywood 4, wherein the inner die mechanism, the wood die assembly 3 and the plywood 4 are erected on a bottom plate 1 of the inner box. The internal mold mechanism comprises a first steel skeleton 21, a second steel skeleton 22, a third steel skeleton 23, a fourth steel skeleton 24, an internal mold skeleton diagonal bracing 25, an outer steel plate 26, splicing bolts 271, a connecting seat 28, connecting bolts 281, an internal mold bracing 29, a connecting head 291, a grounding support plate 292 and a cross-shaped rotary buckle 20.

The internal mold framework diagonal bracing 25 is fixedly arranged on the inner side of the first steel framework 21, and the internal mold framework diagonal bracing 25 and the first steel framework 21 enclose a triangular structure. The inner side of the second steel skeleton 22, the third steel skeleton 23 and the fourth steel skeleton 24 is also provided with an inner mold skeleton diagonal bracing 25. A fourth steel skeleton 24 is installed at one end of the first steel skeleton 21, a second steel skeleton 22 is installed at the other end of the first steel skeleton 21, and a third steel skeleton 23 is installed at one end of the second steel skeleton 22 away from the first steel skeleton 21. The outside steel plate 26 is fixedly installed at one end of the first steel skeleton 21, and a bolting hole 27 is formed at the other end of the first steel skeleton 21. The end of the second steel skeleton 22, which is close to the first steel skeleton 21, is also provided with a bolting hole 27, and the end of the second steel skeleton 22 with the bolting hole 27 is fixedly connected with the end of the first steel skeleton 21 with the outer side steel plate 26 through a splicing bolt 271. The outer steel plate 26 is fixedly installed at the end, close to the first steel skeleton 21, of the fourth steel skeleton 24, which is provided with the bolting holes 27, and the first steel skeleton 21 is fixedly connected with the first steel skeleton 21 through the splicing bolts 271. Similarly, an outer steel plate 26 is fixedly mounted at one end, close to the second steel skeleton 22, of the third steel skeleton 23, and the third steel skeleton 23 and the second steel skeleton 22 are fixedly connected through splicing bolts 271. The fourth steel skeleton 24, the first steel skeleton 21, the second steel skeleton 22, and the third steel skeleton 23 are sequentially connected in series and enclose an inner box frame.

The plurality of connecting seats 28 are fixedly arranged on the inner wall of the inner box frame surrounded by the fourth steel skeleton 24, the first steel skeleton 21, the second steel skeleton 22 and the third steel skeleton 23, and the plurality of connecting seats 28 are uniformly distributed along the circumferential direction of the inner box frame. The inner mold strut 29 is mounted between the opposite connection blocks 28. Connecting heads 291 are fixedly mounted at both ends of inner die stay 29, and both ends of inner die stay 29 are provided with threaded rods with adjustable length, and connecting heads 291 are fixedly connected with the threaded rods. One end of the connecting head 291 with a through hole is inserted into the connecting seat 28, the connecting bolt 281 is inserted into the connecting seat 28, and the connecting head 291 and the connecting seat 28 are fixedly installed through the connecting bolt 281. The grounding plate 292 is fixedly connected to the lower-end connection heads 291 of the two inner mold struts 29 near the connection of the first steel frame 21 and the second steel frame 22. The ground stay 292 abuts against the inner box floor 1. The horizontal inner mold stay 29 is perpendicular to the two inner mold stays 29 with the ground stay 292, and the cross-turn buckle 20 is installed at the crossing position to fix the two inner mold stays 29.

The wood pattern assembly 3 comprises longitudinal square lumber 31 and transverse square lumber 32. The longitudinal square timber 31 are arranged on the outer side wall of the inner box frame, the longitudinal square timber 31 are uniformly distributed along the circumferential direction of the inner box frame, and the longitudinal square timber 31 is perpendicular to the plane where the inner box frame is located. The transverse square timber 32 are uniformly distributed along the circumferential direction of the inner box frame, and the plane of the transverse square timber 32 is parallel to the plane of the inner box frame. The transverse square lumber 32 is symmetrically distributed with respect to the longitudinal square lumber 31. A plurality of inner box frames are uniformly distributed along the length direction of the longitudinal square lumber 31. The plywood 4 is fixedly mounted on the outer side wall of the longitudinal square timber 31, and the plywood 4 is paved along the surface of the longitudinal square timber 31 to wrap the longitudinal square timber 31 and the transverse square timber 32.

Firstly, blanking framework raw materials according to the size of a cast-in-place box girder structure, bolting the outer side steel plates 26 of a first steel framework 21 and bolt holes 27 of a fourth steel framework 24 by using splicing bolts 271, bolting a third steel framework 23 and a second steel framework 22 through the splicing bolts 271, finally bolting the second steel framework 22 and the first steel framework 21 through the splicing bolts 271, splicing an inner box framework assembly, splicing an inner die supporting rod 29 with a connecting head 291 in a corresponding connecting seat 28, bolting the connecting head 291 and the connecting seat 28 by using the connecting bolts 281, adjusting the distance between the connecting heads 291 at two ends by using threaded rods at two ends of the inner die supporting rod 29, supporting the inner box framework by using the inner die supporting rod 29, installing two inner die supporting rods 29 with grounding supporting plates 292 on the two connecting seats 28 at the connecting positions of the first steel framework 21 and the second steel framework 22, welding an inner die supporting rod 25 on the lower ends of the inner box framework, building the inner die supporting rods 21, the second steel framework 22, the third steel framework 23 and the fourth steel framework 24, and building the inner box framework assembly, and repeating the steps according to the inner box girder structure.

Secondly, processing longitudinal square timber 31, transverse square timber 32 and plywood 4 according to the structural dimension of the box girder inner box, uniformly distributing the longitudinal square timber 31 at equal intervals and along the circumference of the inner box frame on the outer side of the inner box frame, arranging a plurality of groups of uniformly distributed inner box frames on the inner side of the longitudinal square timber 31 and along the length direction of the longitudinal square timber 31, installing the transverse square timber 32 at two ends of the longitudinal square timber 31, finally installing the plywood 4 on the outer side of the longitudinal square timber 31, assembling the inner supporting mechanism 2, the wood die assembly 3 and the plywood 4, forming an independent combined wood die unit, and finally hanging the assembled combined wood die unit on a bridge.

After the concrete pouring is completed, when the combined wood die is dismantled, firstly, the connecting bolts 281 at the position of the connecting seat 28 are dismantled, the inner die supporting rod 29 is dismantled, then the splicing bolts 271 at the connecting positions of the first steel skeleton 21, the second steel skeleton 22, the third steel skeleton 23 and the fourth steel skeleton 24 are dismantled, and finally the longitudinal square lumbers 31, the transverse square lumbers 32 and the plywood 4 are removed.

The working principle of the embodiment of the application is as follows: the fourth steel skeleton 24, the first steel skeleton 21, the second steel skeleton 22 and the third steel skeleton 23 form an inner box frame through splicing bolts 271 and bolting holes 27, the inner box supporting rods 29 are installed in the connecting seat 28 through connecting heads 291, the connecting heads 291 and the connecting seat 28 are fixed through connecting bolts 281, two inner box supporting rods 29 with grounding supporting plates 292 are abutted to the inner box bottom plate 1, longitudinal square timber 31 are installed on the outer side of the inner box frame, a plurality of inner box frames are uniformly distributed along the length direction of the longitudinal square timber 31, transverse square timber 32 are installed at two ends of the longitudinal square timber 31, plywood 4 is installed on the peripheries of the longitudinal square timber 31 and the transverse square timber 32, the assembly of a single independent combined wood die unit is completed, and finally a plurality of independent combined wood die units are hung on a bridge.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A cast-in-situ simple beam inner box combined wood die is characterized in that: including installing interior mechanism (2) on inner box bottom plate (1), interior mechanism (2) include first steel skeleton (21), there is second steel skeleton (22) one end of first steel skeleton (21), the one end of second steel skeleton (22) is equipped with third steel skeleton (23), the other end of first steel skeleton (21) is equipped with fourth steel skeleton (24), first steel skeleton (21), second steel skeleton (22) and third steel skeleton (23) enclose interior case frame, be equipped with interior mold skeleton bracing (25) on the inner wall of first steel skeleton (21), be equipped with interior mold skeleton bracing (25) on the inner wall of second steel skeleton (22), third steel skeleton (23), fourth steel skeleton (24) equally, the outside of interior case frame is equipped with wooden mould subassembly (3), the outside of wooden mould subassembly (3) is equipped with plywood (4).

2. The composite wood pattern of the inner box of the cast-in-situ simply supported beam as defined in claim 1, wherein: be equipped with a plurality of connecting seat (28) on the inner wall of inner box frame, a plurality of connecting seat (28) are along the circumference evenly distributed of inner box frame, and two relatively be equipped with between connecting seat (28) interior mould vaulting pole (29) that have adjusting bolt, the both ends of interior mould vaulting pole (29) are equipped with connector (291), connector (291) are pegged graft in connecting seat (28), peg graft in connecting seat (28) have connecting bolt (281), connector (291) are through connecting bolt (281) and connecting seat (28) fixed connection.

3. The composite wood pattern of the inner box of the cast-in-situ simply supported beam as defined in claim 1, wherein: the lower ends of the two inner mold supporting rods (29) close to the joint of the first steel framework (21) and the second steel framework (22) are provided with grounding supporting plates (292), and the grounding supporting plates (292) are abutted with the inner box bottom plate (1).

4. The composite wood pattern of the inner box of the cast-in-situ simply supported beam as defined in claim 1, wherein: the one end of first steel skeleton (21) is equipped with outside steel sheet (26), bolt hole (27) have been seted up to the other end of first steel skeleton (21) and the position that is close to the edge, spliced bolt (271) have been inserted in bolt hole (27), the surface of second steel skeleton (22), third steel skeleton (23) and fourth steel skeleton (24) is equipped with outside steel sheet (26) and bolt hole (27) equally, first steel skeleton (21) are connected with second steel skeleton (22) and fourth steel skeleton (24) through spliced bolt (271), second steel skeleton (22) are connected with first steel skeleton (21) and third steel skeleton (23) through spliced bolt (271) equally.

5. The composite wood pattern of the inner box of the cast-in-situ simply supported beam as defined in claim 1, wherein: the wood pattern assembly (3) comprises a plurality of longitudinal square timber (31), wherein the longitudinal square timber (31) are uniformly distributed along the circumferential direction of the outer side wall of the inner box frame, the longitudinal square timber (31) is perpendicular to the plane where the inner box frame is located, two ends of the longitudinal square timber (31) are provided with transverse square timber (32) symmetrically distributed about the longitudinal square timber (31), the transverse square timber (32) is perpendicular to the longitudinal square timber (31), and the plane where the transverse square timber (32) is parallel to the plane where the inner box frame is located.