CN217172915U - Telescopic box girder hoisting hole die - Google Patents

Abstract

The utility model belongs to the technical field of the construction, specifically a telescopic case roof beam hoist and mount hole mould, it has the problem of interference to have solved concrete roll-in and has plastered traditional pore-forming mould among the automatic operation process of system, including mould barrel and U type hoop, the mould barrel is the ascending cylindrical structure of opening, the bottom that is located the mould barrel is fixed with the threaded rod of perpendicular setting, the intracavity of mould barrel is fixed with foraminiferous disc and the backup pad that the level set up, the backup pad sets up in mould barrel bottom, foraminiferous disc sets up and is being close to mould barrel open-top's position, the symmetry is provided with two holes on the foraminiferous disc, it has a stirrup of the U type hoop that the opening set up downwards to run through respectively in the hole, the stirrup end connection of U type hoop has stop nut. The utility model discloses do not influence the roll-in system and wipe a face and put up smooth one-off pass through the built-in fitting region of system's operation, it is reliable to possess the structure, advantages such as easy operation.

Description

Telescopic box girder hoisting hole mould

Technical Field

The utility model belongs to the technical field of the construction, specifically a telescopic case roof beam hoist and mount hole mould.

Background

The large concrete prefabricated part pedestal needs to be provided with a top plate through hole embedded part to meet the requirement of reserved hoisting operation, a common method is to bury and hoist a hole forming device before concrete pouring, and in the concrete pouring hardening process, the hole forming device needs to be rotated for many times during the concrete pouring process, so that the phenomenon that the mould is adhered or the hole cannot be formed due to the hardening of structural concrete is avoided. The embedded part of the traditional hole forming device is protruded so as to be conveniently sleeved into a direct rotating mold by a tool rod to be debonded at any time, the structure is simpler, and the operation is also very convenient. However, the top of the embedded part of the hole forming device protrudes out of the top plate surface by about 15cm, and a certain distance is reserved between the top plate and two sides of the two end areas of the top plate, so that the one-time full top plate surface operation of subsequent mechanical process steps of top plate concrete rolling, surface plastering, finishing and the like cannot be realized, and the construction efficiency and the whole forming quality are obviously influenced.

The roof roll-in of present case roof beam prefab and processes such as the frame operation of wiping one kind adopts simple and easy roll-in cylinder rigid frame and workman temporarily, and the operation is wasted time and energy, and shaping efficiency is also not high moreover, and another kind is mechanized or automatic equipment such as vibration roll-in flattening, wiping one's face, receipts light, has improved efficiency greatly, and has practiced thrift the labour. According to the rolling and plastering system, the protruding part of the embedded steel die of the traditional hoisting hole former protrudes out of the surface layer of the concrete top plate by about 15cm, and mechanical operation cannot be implemented within a range of about 3m from the end parts of two ends of the top surface of a beam plate. The operation procedures of rolling, plastering and the like of the area still need manual operation, the efficiency is greatly reduced, and the manual operation is not as good as the mechanical operation quality effect.

For realizing implementing the smooth implementation of the one-time plastering process of mechanical type from the initiating terminal of beam slab top surface to the full roof surface layer of tail end, to the functional not enough of original hoist and mount hole forming device, designed one kind and can cooperate the free telescopic hole forming device of the smooth plastering after pouring the vibration: the height of the top surface of an embedded steel die of the device is slightly lower than the height of a formed concrete surface by 2-3mm, the built-in U-shaped hoop can be flexibly drawn out in a non-rolling or plastering frame operation state, and a penetrating lever periodically or discontinuously rotates according to the process requirement to avoid adhesion with the concrete; the rolling or plastering frame can automatically fall down after the embedded part area is changed, so that the top surface of the steel die of the embedded part and the elevation of the built-in U-shaped hoop are lower than the rolling and plastering height of concrete, the rolling system and the plastering frame system can smoothly pass through the embedded part area at one time without being influenced, the discontinuous process and the manual filling work are avoided, and the process efficiency is obviously improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome exist among the prior art not enough, designed one kind and can pour smooth-going telescopic pore-forming device of freedom of plastering after vibrating to a telescopic case roof beam hoist and mount hole mould is provided.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: the utility model provides a telescopic case roof beam hoist and mount hole mould, including mould barrel and U type hoop, the mould barrel is the ascending cylindrical structure of opening, the bottom that is located the mould barrel is fixed with the threaded rod of perpendicular setting, the intracavity of mould barrel is fixed with foraminiferous disc and the backup pad that the level set up, the backup pad sets up in mould barrel bottom, foraminiferous disc sets up in the position that is close to mould barrel open-top, the symmetry is provided with two holes on the foraminiferous disc, downthehole a stirrup that has the downward U type hoop of opening to set up that runs through respectively, the stirrup end connection of U type hoop has stop nut, be provided with a swing joint's rubber separation blade on the U type hoop that is located foraminiferous disc top respectively.

The holes on the disc with the holes are U-shaped holes, and the openings of the two U-shaped holes are respectively arranged towards two sides.

The height that the top of the U-shaped hoop completely extends into the mould cylinder under the action of gravity does not exceed the height of the mould cylinder. The U-shaped hoop can completely enter the die cylinder body under the self-existing state.

The rubber separation blade is of an annular structure, and the hollow diameter of the middle part of the rubber separation blade is the same as the diameter of the stirrup of the U-shaped hoop. When the rubber separation blade is used for rolling and plastering a frame system after the concrete pouring of the box girder, the leakage of slurry is prevented.

The die cylinder, the supporting plate, the U-shaped hoop and the disc with the hole are all made of hard metal materials. The effect of adopting the hard metal material and increasing the backup pad is in order to prevent that the mould barrel from taking place the deformation in the atress of concrete placement in-process.

The threaded rod is arranged at the circle center of the bottom of the die barrel, and the length of the threaded rod is 1.5-2 times larger than the thickness of the pouring template.

The utility model has the advantages as follows:

the device has simple and reasonable structure, and can easily realize the periodic rotation of the hoisting hole former; after the form is converted manually, the top end of the hole forming device is lower than a concrete pouring surface, the smooth one-time passing of the operation of the rolling system and the plastering frame system through the embedded part area is not influenced, the structure is reliable, the operation is simple, and the like, and the purpose that the operation of the pressing system and the plastering frame system is not interfered by the hole forming device can be realized only by manually and easily changing the working state.

Drawings

FIG. 1 is a schematic view of the present invention in a first state;

fig. 2 is a schematic structural diagram of the present invention in the second state;

fig. 3 is a schematic structural view of the perforated disc in fig. 1 and 2.

Reference numbers in the figures: 1-disc with holes, 2-U-shaped hoop, 3-limit nut, 4-rubber baffle, 5-mould cylinder, 6-support plate, 7-fixing nut, 8-U-shaped holes and 9-threaded rod.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-3, a telescopic case roof beam hole for hoist mould, including mould barrel 5 and U type hoop 2, mould barrel 5 is the ascending cylindrical structure of opening, the bottom that is located mould barrel 5 is fixed with the threaded rod 9 of perpendicular setting, the intracavity of mould barrel 5 is fixed with foraminiferous disc 1 and the backup pad 6 that the level set up, backup pad 6 sets up in mould barrel 5 bottom, foraminiferous disc 1 sets up the open position near mould barrel 5 top, the symmetry is provided with two holes on the foraminiferous disc 1, it has the hoop of the downward U type hoop 2 that sets up of opening to run through respectively in the hole, the hoop end connection of U type hoop 2 has stop nut 3, be provided with a swing joint's rubber catch 4 on the U type hoop 2 hoop that is located foraminiferous disc 1 top respectively.

Furthermore, the holes in the disc with holes 1 are U-shaped holes 8, and the openings of the two U-shaped holes 8 are respectively arranged towards two sides. The top of the U-shaped hoop 2 completely extends into the mould cylinder 5 under the action of gravity, and the height of the top of the U-shaped hoop does not exceed the height of the mould cylinder 5. The rubber separation blade 4 is of an annular structure, and the hollow diameter of the middle part of the rubber separation blade 4 is the same as the diameter of the stirrup of the U-shaped hoop 2. The mould cylinder 5, the supporting plate 6, the U-shaped hoop 2 and the disc with holes 1 are all made of hard metal materials. The threaded rod 9 is arranged at the circle center of the bottom of the die barrel body 5, and the length of the threaded rod 9 is 1.5-2 times larger than the thickness of the pouring template. The utility model discloses during the installation, need run through threaded rod 9 after the die block, utilize fixation nut 7 fixed with it and die block board.

In the specific processing process, the die cylinder 5 is formed by welding two cylinders in a combined mode, wherein the upper half portion of the die cylinder is used for welding the disc with the hole 1 and fixing the limiting nut 3 on the U-shaped hoop 2, and the lower half portion of the die cylinder is used for welding the supporting plate 6 in the cylinder. When both are completed, the upper and lower halves are combined and welded to form the final mold cylinder 5.

The working principle is as follows: after concrete pouring of the box girder is completed, the rolling and plastering frame system can automatically work on a pouring surface, at the moment, as shown in fig. 1, the U-shaped hoop 2 is completely positioned in the cavity of the die cylinder 5, the rolling and plastering frame system cannot be blocked, and meanwhile, due to the existence of the rubber retaining pieces 4, redundant concrete grout cannot enter the hoisting hole. In order to prevent the adhesion between the mold and the concrete in the hoisting hole, when the rolling and plastering frame system does not work, the U-shaped hoop 2 can be upwards lifted out of the mold cylinder 5, and the rotating rod is inserted and the rotating force of the horizontal plane is applied, so that the mold cylinder 5 arranged in the concrete rotates back and forth. The above work is repeated for many times until the box girder concrete is initially set.

Example (b):

the telescopic box girder hoisting hole die of this embodiment makes disposable plastering process implement smoothly through the U type hoop 2 of liftable, assists roll-in and plaster a system and can be at the work of plastering of precast concrete face in one shot forming.

The disc with the hole 1 and the supporting plate 6 are arranged in the cavity of the die barrel 5, the thicknesses of the barrel wall and the barrel bottom are both 5mm, the supporting plate 6 with the thickness of 20mm is welded above the barrel bottom to enhance the strength of the die barrel 5, and the whole barrel structure is fixed on a poured box girder bottom die through a threaded rod 9 and a fixing nut 7.

The utility model discloses the use is in the case roof beam concreting completion back, and the hole for hoist mould is in the state of figure 1, and roll-in and the frame system of plastering pass through, and rubber catch 4 can cover U type hoop 2 and the space of foraminiferous disc 1 for prevent the thick liquid seepage. After the rolling and plastering frame system finishes vibration, leveling, plastering, spraying and other work, the hoisting mould is in the state of figure 2, the U-shaped hoop 2 is lifted, and the steel bar passes through the U-shaped hoop and rotates to enable the mould cylinder 5 to rotate back and forth along the vertical axis in the original position. This operation will be implemented many times at intervals, prevents that hoist and mount hole mould and concrete adhesion from finally leading to unable effective pore-forming. After the concrete prefabrication is finished, the fixing nut 7 is removed, and the hoisting hole die is completely taken out through the U-shaped hoop 2.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, the protection scope of the present invention is defined by the claims, all structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a telescopic case roof beam hoist and mount hole mould which characterized in that: including mould barrel (5) and U type hoop (2), mould barrel (5) are the ascending cylindrical structure of opening, the bottom that is located mould barrel (5) is fixed with threaded rod (9) of perpendicular setting, the intracavity of mould barrel (5) is fixed with foraminiferous disc (1) and backup pad (6) that the level set up, backup pad (6) set up in mould barrel (5) bottom, foraminiferous disc (1) set up the open position near mould barrel (5) top, the symmetry is provided with two holes on foraminiferous disc (1), a stirrup that has U type hoop (2) that the opening set up downwards runs through respectively in the hole, the stirrup end connection of U type hoop (2) has stop nut (3), be provided with a swing joint's rubber separation blade (4) on U type hoop (2) the stirrup that is located foraminiferous disc (1) top respectively.

2. The telescopic box girder hoisting hole die as claimed in claim 1, wherein: the holes on the disc with the holes (1) are U-shaped holes (8), and the openings of the two U-shaped holes (8) are respectively arranged towards two sides.

3. The telescopic box girder hoisting hole die as claimed in claim 1, wherein: the height that the top of the U-shaped hoop (2) completely extends into the mould cylinder (5) under the action of gravity does not exceed the height of the mould cylinder (5).

4. The telescopic box girder hoisting hole die as claimed in claim 1, wherein: the rubber baffle (4) is of an annular structure, and the hollow diameter of the middle part of the rubber baffle (4) is the same as the diameter of the stirrup of the U-shaped hoop (2).

5. The telescopic box girder hoisting hole die as claimed in claim 1, wherein: the mould cylinder (5), the supporting plate (6), the U-shaped hoop (2) and the disc with the hole (1) are all made of hard metal.

6. The telescopic box girder hoisting hole die as claimed in claim 1, wherein: the threaded rod (9) is arranged at the position of the circle center of the bottom of the die barrel body (5), and the length of the threaded rod (9) is 1.5-2 times larger than the thickness of the pouring template.

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