CN214772811U

CN214772811U - Quick form removal assembling die of prefabricated box culvert

Info

Publication number: CN214772811U
Application number: CN202121138823.2U
Authority: CN
Inventors: 张鸿彬; 胡江焕; 彭亮; 卞周宏; 胡俊
Original assignee: Hubei Lvyuan New Material Technology Co ltd
Current assignee: Hubei Lvyuan New Material Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a rapid demoulding combined die for a prefabricated box culvert, which comprises a beam pedestal, a slide rail, an external die, a support frame and an internal die; the beam pedestal is fixedly connected to the ground; the two groups of sliding rails are symmetrically arranged on the ground on two sides of the beam platform seat in parallel; the outer die is fixedly connected to the top surface of the beam pedestal; the plurality of groups of supporting frames are symmetrically arranged on two sides of the outer die; the inner mold is arranged inside the outer mold; the demolding agent improves the demolding efficiency and ensures the engineering quality; the beam pedestal and the support frame play a role in supporting the outside of the prefabricated box culvert, the inner mould plays a role in supporting the inside of the prefabricated box culvert, the outer mould plays a decisive role as a frame of the prefabricated box culvert, and the beam pedestal, the support frame, the inner mould and the outer mould are matched together to ensure the product quality of the prefabricated box culvert; the arrangement of the travelling wheels facilitates the movement of the support frame, saves manpower and improves the construction efficiency; the internal mold 5 is arranged in a folding and assembling mode, so that the hoisting link is omitted, and the disassembly is convenient.

Description

Quick form removal assembling die of prefabricated box culvert

Technical Field

The utility model relates to a mould specifically is a prefabricated box culvert fast stripping assembling die.

Background

The box culvert is one of middle beams of bridge engineering, is hollow inside, has flanges on two sides of the upper part, is similar to a box, and is named. The types of the box type solar water heater are divided into a single box, a plurality of boxes and the like. The reinforced concrete box culvert is divided into a prefabricated box culvert and a cast-in-place box culvert according to a concrete pouring mode as one of important structures in bridge engineering. The cast-in-place box culvert is directly cast in a construction site. The prefabricated box culvert is prefabricated in an independent site in advance and then hoisted after the bridge substructure is finished. The prefabricated box culvert can effectively avoid construction cross interference, greatly improve the project progress and save the construction period, so the prefabricated box culvert is widely applied. However, the prefabricated box culvert template in the prior art is generally of an integral structure, and is inconvenient to carry, mount and dismount, so that the engineering efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated box culvert fast stripping assembling die to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a prefabricated box culvert rapid demoulding combined die comprises a beam pedestal, a slide rail, an outer die, a support frame and an inner die; the beam pedestal is fixedly connected to the ground; the two groups of sliding rails are symmetrically arranged on the ground on two sides of the beam platform seat in parallel; the outer die is fixedly connected to the top surface of the beam pedestal; the plurality of groups of supporting frames are symmetrically arranged on two sides of the outer die; the inner mold is arranged inside the outer mold.

As a further aspect of the present invention: the outer mold comprises bottom mold reinforcing steel bars, side mold reinforcing steel bars and top mold reinforcing steel bars; the top surface of the beam pedestal is coated with a release agent layer, and bottom die steel bars are arranged on the top surface of the release agent layer; a group of side die reinforcing steel bars are obliquely arranged and symmetrically and fixedly connected to two ends of the top surface of the bottom die reinforcing steel bar; the top die steel bar is fixedly connected with the top end of the side die steel bar; a space with an inverted trapezoid cross section is enclosed among the bottom die steel bar, the group of side die steel bars and the top die steel bar, and the inner die is arranged in the inverted trapezoid space; and the outer side wall of the inner die is coated with a release agent.

As a further aspect of the present invention: the support frame comprises a longitudinal support plate, an inclined support plate, a transverse support plate, a traveling wheel and a pull rod; the longitudinal supporting plate and the inclined supporting plate are fixedly connected through three parallel transverse supporting plates which are arranged at equal intervals; the top end of the longitudinal support plate is higher than the top end of the inclined support plate; the bottom ends of the longitudinal supporting plate and the inclined supporting plate are respectively provided with a travelling wheel, and the travelling wheels are connected to the sliding rail in a sliding manner; the beam pedestal is provided with a pull rod through hole; two ends of the pull rod sequentially penetrate through the pull rod through hole and a through hole formed in the bottom end of the inclined supporting plate to be in threaded connection with the fixing bolt; and the side of the inclined support plate close to the inner die and the top surface of the transverse support plate on the uppermost layer are coated with release agents.

As a further aspect of the present invention: the inner mold comprises a supporting bottom plate, a folding supporting plate and a connecting column; two ends of the supporting bottom plate are symmetrically connected with a group of folding supporting plates through connecting pin shafts respectively; one end of the folding support plate, which is far away from the connecting pin shaft, is provided with a first mounting block; threaded through holes are formed in the corresponding positions of the first mounting block and the connecting column, and a bolt penetrates through the threaded through holes to be in threaded connection with a nut; the bottom of spliced pole passes through second installation piece fixed connection on supporting baseplate.

Compared with the prior art, the beneficial effects of the utility model are that:

the demolding agent improves the demolding efficiency and ensures the engineering quality; the beam pedestal and the support frame play a role in supporting the outside of the prefabricated box culvert, the inner mould plays a role in supporting the inside of the prefabricated box culvert, the outer mould plays a decisive role as a frame of the prefabricated box culvert, and the beam pedestal, the support frame, the inner mould and the outer mould are matched together to ensure the product quality of the prefabricated box culvert; the arrangement of the travelling wheels facilitates the movement of the support frame, saves manpower and improves the construction efficiency; the internal mold 5 is arranged in a folding and assembling mode, so that the hoisting link is omitted, and the disassembly is convenient.

Drawings

Fig. 1 is a schematic structural diagram of a rapid formwork stripping combined die for a prefabricated box culvert.

Fig. 2 is a schematic structural diagram of an external mold in the prefabricated box culvert quick-stripping combined mold.

Fig. 3 is a schematic structural diagram of a support frame and an inner mold in the rapid-demolding combined mold for the prefabricated box culvert.

In the figure: 1. a beam pedestal; 2. a slide rail; 3. an outer mold; 4. a support frame; 5. an inner mold; 11. a pull rod through hole; 31. bottom die steel bars; 32. side form reinforcing steel bars; 33. top die reinforcing steel bars; 41. a support plate; 42. an inclined support plate; 43. a transverse support plate; 44. a traveling wheel; 45. a pull rod; 46. fixing the bolt; 51. a base plate; 52. folding the support plate; 53. connecting columns; 54. connecting a pin shaft; 55. a first mounting block; 56. and a second mounting block.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a prefabricated box culvert fast-demolding combined mold includes a beam pedestal 1, a slide rail 2, an outer mold 3, a support frame 4, and an inner mold 5; the beam pedestal 1 is fixedly connected to the ground; the two groups of slide rails 2 are symmetrically arranged on the ground on two sides of the beam pedestal 1 in parallel; the outer die 3 is fixedly connected to the top surface of the beam pedestal 1; the plurality of groups of supporting frames 4 are symmetrically arranged on two sides of the outer die 3; the inner mold 5 is disposed inside the outer mold 3.

The outer mold 3 comprises bottom mold reinforcing steel bars 31, side mold reinforcing steel bars 32 and top mold reinforcing steel bars 33; the top surface of the beam pedestal 1 is coated with a release agent layer, and bottom die steel bars 31 are arranged on the top surface of the release agent layer; a group of side form reinforcing steel bars 32 are obliquely arranged and symmetrically and fixedly connected to two ends of the top surface of the bottom die reinforcing steel bar 31; the top die steel bar 33 is fixedly connected with the top end of the side die steel bar 32; a space with an inverted trapezoid cross section is defined by the bottom die steel bar 31, the group of side die steel bars 32 and the top die steel bar 33, and the inner die 5 is arranged in the inverted trapezoid space; and the outer side wall of the inner mold 5 is coated with a release agent.

The support frame 4 comprises a longitudinal support plate 41, an inclined support plate 42, a transverse support plate 43, a walking wheel 44 and a pull rod 45; the longitudinal support plate 41 and the inclined support plate 42 are fixedly connected through three parallel and equidistantly arranged transverse support plates 43; the top end of the longitudinal support plate 41 is higher than the top end of the inclined support plate 42; the bottom ends of the longitudinal supporting plate 41 and the inclined supporting plate 42 are respectively provided with a travelling wheel 44, and the travelling wheels 44 are connected to the sliding rail 2 in a sliding manner; the arrangement of the travelling wheels 44 facilitates the movement of the support frame 4, saves manpower and improves construction efficiency; the beam pedestal 1 is provided with a pull rod through hole 11; two ends of the pull rod 45 sequentially penetrate through the pull rod through hole 11 and through holes formed in the bottom ends of the inclined support plates 42 and are in threaded connection with the fixing bolts 46; the pull rod 45 fixedly connects a group of corresponding support frames 4 on two sides of the beam pedestal 1, so that the stability of the support frames 4 is improved, and the support performance of the support frames 4 on the outer die 3 is enhanced; the side of the inclined support plate 42 close to the inner mold 5 and the top surface of the uppermost transverse support plate 43 are coated with a release agent.

The inner mold 5 comprises a support bottom plate 51, a folding support plate 52 and a connecting column 53; two ends of the supporting bottom plate 51 are symmetrically connected with a group of folding supporting plates 52 through connecting pin shafts 54 respectively; one end of the folding support plate 52 far away from the connecting pin shaft 54 is provided with a first mounting block 55; threaded through holes are formed in corresponding positions of the first mounting block 55 and the connecting column 53, and a bolt penetrates through the threaded through holes to be in threaded connection with a nut; the bottom end of the connecting column 53 is fixedly connected to the supporting base plate 51 through a second mounting block 56.

The utility model discloses a theory of operation is:

cleaning the top surface of the beam pedestal 1 and uniformly coating a release agent, then binding bottom die steel bars 31 on the top surface of the beam pedestal 1, and accurately positioning and installing side die steel bars 32 in a framework of the bottom die steel bars 31; moving the support frames 4 to a required position, painting a release agent on one side of the support frames 4 in contact connection with the outer die 3, and fixedly connecting a group of corresponding support frames 4 to the two sides of the outer die 3 by using pull rods 45 to play a supporting role; placing a support bottom plate 51 coated with a release agent on the bottom surface on the top surface of the bottom die steel bar 31, fixedly connecting a connecting column 53 to the top surface of the support bottom plate 51 through a second mounting block 56, fixedly connecting one end of a folding support plate 52 coated with the release agent on the outer side to two ends of the support bottom plate 51 through a connecting pin shaft 54, and fixedly connecting the other end of the folding support plate 52 to two sides of the top of the connecting column 53 through a first mounting block 55; then binding top mould steel bars 33 on the top surfaces of the inner mould 5 and the support frame 4; so far prefabricated box culvert assembling die accomplishes the equipment promptly, carries out pouring of concrete next, treats that the concrete strength reaches behind the form removal intensity, can demolish centre form 5 and support frame 4 in proper order.

In the description of the present invention, it is to be noted that, 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A rapid formwork stripping combined die for a prefabricated box culvert comprises a beam pedestal (1), a slide rail (2), an outer die (3), a support frame (4) and an inner die (5); the beam pedestal is characterized in that the beam pedestal (1) is fixedly connected to the ground; the two groups of sliding rails (2) are symmetrically arranged on the ground on two sides of the beam pedestal (1) in parallel; the outer die (3) is fixedly connected to the top surface of the beam pedestal (1); a plurality of groups of supporting frames (4) are symmetrically arranged at two sides of the outer die (3); the inner die (5) is arranged inside the outer die (3).

2. The prefabricated box culvert quick-stripping combined die as claimed in claim 1, wherein the outer die (3) comprises bottom die reinforcing steel bars (31), side die reinforcing steel bars (32) and top die reinforcing steel bars (33); the top surface of the beam pedestal (1) is coated with a release agent layer, and bottom die steel bars (31) are arranged on the top surface of the release agent layer; a group of side form reinforcing steel bars (32) are obliquely arranged and symmetrically and fixedly connected to two ends of the top surface of the bottom die reinforcing steel bar (31); the top die steel bar (33) is fixedly connected with the top end of the side die steel bar (32); a space with an inverted trapezoid cross section is defined by the bottom die steel bar (31), the group of side die steel bars (32) and the top die steel bar (33), and the inner die (5) is arranged in the inverted trapezoid space; and the outer side wall of the inner die (5) is coated with a release agent.

3. The precast box culvert quick-stripping combined die as claimed in claim 1, wherein the support frame (4) comprises a longitudinal support plate (41), an inclined support plate (42), a transverse support plate (43), a travelling wheel (44) and a pull rod (45); the longitudinal support plate (41) and the inclined support plate (42) are fixedly connected through three parallel and equidistantly arranged transverse support plates (43); the top end of the longitudinal support plate (41) is higher than the top end of the inclined support plate (42); the bottom ends of the longitudinal supporting plate (41) and the inclined supporting plate (42) are respectively provided with a travelling wheel (44), and the travelling wheels (44) are connected to the sliding rail (2) in a sliding manner; the beam pedestal (1) is provided with a pull rod through hole (11); two ends of the pull rod (45) sequentially penetrate through the pull rod through hole (11) and a through hole formed in the bottom end of the inclined support plate (42) and are in threaded connection with the fixing bolt (46); the side of the inclined support plate (42) close to the inner die (5) and the top surface of the transverse support plate (43) at the uppermost layer are coated with release agents.

4. The precast box culvert quick-stripping combined die as claimed in claim 1, wherein the inner die (5) comprises a support bottom plate (51), a folding support plate (52) and a connecting column (53); two ends of the supporting bottom plate (51) are symmetrically connected with a group of folding supporting plates (52) through connecting pin shafts (54); a first mounting block (55) is arranged at one end of the folding support plate (52) far away from the connecting pin shaft (54); threaded through holes are formed in corresponding positions of the first mounting block (55) and the connecting column (53), and a bolt penetrates through the threaded through holes to be in threaded connection with a nut; the bottom end of the connecting column (53) is fixedly connected to the supporting bottom plate (51) through a second mounting block (56).