CN211114849U

CN211114849U - Device for controlling lifting of cast-in-place wet joint bottom die of precast beam

Info

Publication number: CN211114849U
Application number: CN201921836799.2U
Authority: CN
Inventors: 陈宽; 陈建光; 刘帮; 付皓; 王应鹏; 晏克珍
Original assignee: Guizhou Investment And Construction Co ltd
Current assignee: Guizhou Investment And Construction Co ltd; China Construction Fourth Division Guizhou Investment and Construction Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-28
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a device for controlling the lifting of a bottom die of a cast-in-situ wet joint of a precast beam, which comprises two adjacent precast beams, wherein temporary supports are arranged on the two adjacent precast beams, a steel bar roller is arranged on the temporary supports, an anti-falling lifting rope is connected on the steel bar roller, one end of the anti-falling lifting rope is wound on the steel bar roller, and the other end of the anti-falling lifting rope is connected with the bottom die below the cast-in-situ wet joint after passing through a PVC sleeve pipe which is pre-embedded in the cast-in-situ wet joint between the two precast beams; the lifting of the bottom die below the cast-in-place wet joint is controlled by shaking a rotating handle on the steel bar roller. The utility model discloses can conveniently hold cast-in-place wet seam die block, make things convenient for the operation personnel to control the die block and descend, the amount of labour that can significantly reduce, reduction of erection time. The utility model discloses can dismantle used repeatedly, material saving, reduce cost. And the falling speed of the bottom die can be manually controlled, and the safety of a construction site is effectively improved.

Description

Device for controlling lifting of cast-in-place wet joint bottom die of precast beam

Technical Field

The utility model relates to a device that cast-in-place wet seam die block of control precast beam goes up and down belongs to construction technical field.

Background

In the prior art, when a template is erected or disassembled on a cast-in-place wet joint, the template is manually transferred through aloft work of workers. The safety accident that the template damages the lower form removal worker is easily caused in the process of erection or disassembly. Usually, the wet joint is long along the horizontal direction operation route, and the form removal personnel below the template needs to face upward to transfer the template, so that the problems of large operation difficulty, low operation efficiency and the like of the form removal transfer personnel are caused. Therefore, the existing technologies are not perfect enough and are expected to be further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device that the cast-in-place wet seam die block of control precast beam goes up and down makes to set up or dismantle template safe and reliable to can improve the operating efficiency, thereby overcome the not enough of prior art existence.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a device for controlling the lifting of a bottom die of a cast-in-situ wet joint of a precast beam, which comprises two adjacent precast beams, temporary supports are arranged on the two adjacent precast beams, a steel bar roller is arranged on the temporary supports, an anti-falling lifting rope is connected on the steel bar roller, one end of the anti-falling lifting rope is wound on the steel bar roller, and the other end of the anti-falling lifting rope is connected with the bottom die below the cast-in-situ wet joint after passing through a PVC sleeve pipe which is pre-embedded in the cast-in-situ wet joint between the two precast beams; the lifting of the bottom die below the cast-in-place wet joint is controlled by shaking a rotating handle on the steel bar roller.

In the device for controlling the lifting of the bottom die of the cast-in-place wet joint of the precast beam, the temporary support comprises a pair of angle steel supporting legs; the tops of the pair of angle steel supporting legs are connected through end-sealed angle steel; a pair of steel pipe supporting legs which are symmetrical to the angle steel supporting legs in position are welded at the bottom of the end-sealing angle steel; a transverse connecting rod is arranged between the angle steel supporting leg and the steel pipe supporting leg; the upper part of the angle steel supporting leg is provided with a mounting hole for mounting a steel bar roller; rotating handles at two ends of the steel bar roller penetrate through the mounting holes to be rotatably connected with the angle steel supporting legs.

In the device, the anti-falling lifting rope at the lower end of the bottom die is connected with a template bottom support which can support the bottom die.

Since the technical scheme is used, the utility model discloses compare with prior art, the utility model discloses can hold the die block of cast-in-place wet seam to carry out the lift operation of die block according to the construction needs, made things convenient for operation personnel control die block to descend or promote greatly, the amount of labour that can significantly reduce, reduction of erection time. The utility model discloses used material all can dismantle used repeatedly, material saving, reduce cost. The falling speed can be manually controlled by adopting the falling-preventing lifting rope falling template, and the safety of a construction site is effectively improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front view of fig. 1.

The labels in the figures are: 1-rotating a handle, 2-steel bar rollers, 3-transverse connecting rods, 4-anti-falling lifting ropes, 5-end-capped angle steel, 6-angle steel supporting legs, 7-steel pipe supporting legs, 8-PVC sleeves, 9-bottom dies, 10-template bottom supports, 11-prefabricated beam flange plates and 12-cast-in-place wet seams.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

The utility model discloses a control precast beam cast-in-place wet seam die block lift method constitutes according to following, as shown in figure 1 and figure 2: before a cast-in-place wet joint 12 is poured between two adjacent precast beams 11, a temporary support is erected on the two precast beams 11 in advance, a steel bar roller 2 is installed on the temporary support, meanwhile, an anti-falling lifting rope 4 is connected to the steel bar roller 2, and one end of the anti-falling lifting rope 4 penetrates through a PVC sleeve 8 arranged between the two precast beams 11 and then is connected with a bottom die 9 below the two precast beams 11; thus, a cast-in-place wet joint 12 can be poured between the two precast beams 11, and after the cast-in-place wet joint 12 is poured completely, the lifting of the bottom die 9 below the precast beams 11 is controlled by shaking the rotating handle 1 on the steel bar roller 2; during manufacturing, the top end of the PVC sleeve 8 is higher than the concrete surface of the upper surfaces of the two precast beams by more than 5cm, so that the falling-preventing lifting rope 4 can be prevented from being condensed when concrete flows into the PVC sleeve 8 when the cast-in-place wet joint 12 is poured.

According to the method constitution the utility model discloses a device that control precast beam cast-in-place wet seam die block goes up and down, as shown in fig. 1 and fig. 2: the device comprises two prefabricated beams 11 which are manufactured and adjacent, a temporary support is erected on the two adjacent prefabricated beams 11, a steel bar roller 2 is arranged on the temporary support, an anti-falling lifting rope 4 is connected to the steel bar roller 2, the anti-falling lifting rope 4 is wound on the steel bar roller 2, and the other end of the anti-falling lifting rope 4 penetrates through a cast-in-situ wet joint 12 between the two prefabricated beams 11 and is connected with a bottom die 9 below the cast-in-situ wet joint 12; the lifting of the bottom die of the cast-in-place wet joint of the precast beam is controlled by shaking the rotating handle 1 on the steel bar roller 2. The temporary support comprises a pair of angle steel legs 6; the tops of the pair of angle steel supporting legs 6 are connected through the end-sealed angle steel 5; a pair of steel pipe supporting legs 7 which are symmetrical to the angle steel supporting legs 6 in position are welded at the bottom of the end-sealed angle steel 5; a transverse connecting rod 3 is arranged between the angle steel supporting leg 6 and the steel pipe supporting leg 7; the upper part of the angle steel supporting leg 6 is provided with a mounting hole for mounting the steel bar roller 2; the rotating handles 1 at the two ends of the steel bar roller 2 penetrate through the mounting holes to be rotatably connected with the angle steel supporting legs 6. The anti-falling lifting rope 4 is provided with a template bottom support 10, and the bottom die 9 is supported by the template bottom support 10. The anti-falling lifting rope 4 penetrates through the section of the cast-in-place wet joint 12 to be provided with a PVC sleeve 8 so as to prevent concrete from being poured on the anti-falling lifting rope 4. The top end of the PVC sleeve 8 is higher than the concrete surface by 5cm, so that when concrete is prevented from pouring, the concrete flows into the PVC sleeve 8 and the anti-falling lifting rope 4 is solidified.

During the concrete implementation, twist grip 1 and reinforcing bar gyro wheel 2 welding together, and angle steel landing leg 6 and steel pipe landing leg 7 link to each other through transverse connecting rod 3 to adopt 5 fixed termination of termination angle steel to form temporary support. A rotating handle 1 and a steel bar roller 2 are sleeved on a temporary support, and a bottom die lifting device is combined by an anti-falling lifting rope 4, a PVC sleeve 8 and a template base 10.

When the formwork is erected and constructed, the rotating handle 1 and the steel bar roller 2 are erected and sleeved through the angle steel supporting leg 6 and the steel bar supporting leg 7; the transverse connecting rod 3, the angle steel supporting leg 6 and the steel bar supporting leg 7 are welded into a triangle; two support legs are combined and fixed to form a temporary support through end-sealing angle steel 5. The template bottom support 10 is connected with the steel bar roller 2 through the anti-falling lifting rope 4, the anti-falling lifting rope 4 is isolated from the cast-in-situ wet joint 12 through the PVC sleeve 8, and the cast-in-situ wet joint 12 is prevented from being solidified and locked. The template bottom support 10 supports the bottom die 9 to prevent the bottom die 9 from falling off during the die removal process to cause safety accidents. The rotating handle 1 is welded with the steel bar idler wheel 2, and the angle steel supporting leg 6 is drilled with a hole and is sleeved with a rotating part. The anti-falling lifting rope 4 is isolated by adopting the PVC sleeve 8 through one section in the cast-in-place wet joint 12, the top end of the PVC sleeve 8 is higher than the concrete surface by 5cm, and when concrete is prevented from being poured, the concrete flows into the PVC sleeve to fix the anti-falling lifting rope. Ensuring that the anti-falling lifting rope 4 smoothly passes through the cast-in-place wet joint 12 in the form removal process.

The PVC sleeve 8 can be arranged on the bottom die 9 in advance, the PVC sleeve 8 penetrates through the bottom die 9, and the top end of the PVC sleeve 8 is 5cm higher than the concrete surface. And when the strength of the cast-in-situ wet joint 12 reaches the form removal condition, the anti-falling lifting rope 4 penetrates through the PVC sleeve 8 to be connected with the bottom die 9 in a jacking mode under the bottom die 9, and the handle 1 is manually controlled to rotate when the bottom die support is removed, so that the bottom die 9 is safely lowered.

The utility model has simple structure, low manufacturing cost, less material consumption and convenient later maintenance; the cast-in-place wet joint bottom die can be pulled in the using process, so that operators can conveniently control the bottom die to fall, the labor capacity can be greatly reduced, and the construction period can be shortened. The utility model discloses used material all can dismantle used repeatedly, material saving, reduce cost. The falling speed can be manually controlled by adopting the falling-preventing lifting rope falling template, and the safety of a construction site is improved.

Claims

1. The utility model provides a device that control cast-in-place wet seam die block of precast beam goes up and down, includes two adjacent precast beams (11), its characterized in that: a temporary support is erected on two adjacent precast beams (11), a steel bar roller (2) is installed on the temporary support, an anti-falling lifting rope (4) is connected to the steel bar roller (2), one end of the anti-falling lifting rope (4) is wound on the steel bar roller (2), and the other end of the anti-falling lifting rope (4) penetrates through a PVC sleeve (8) which is pre-embedded in a cast-in-situ wet joint (12) between the two precast beams (11) and then is connected with a bottom die (9) below the cast-in-situ wet joint (12); the lifting of the bottom die (9) below the cast-in-place wet joint (12) is controlled by shaking the rotating handle (1) on the steel bar roller (2).

2. The device for controlling the lifting of the bottom die of the cast-in-place wet joint of the precast beam according to claim 1, is characterized in that: the temporary support comprises a pair of angle steel supporting legs (6); the tops of the pair of angle steel supporting legs (6) are connected through end-sealed angle steel (5); a pair of steel pipe supporting legs (7) which are symmetrical to the angle steel supporting legs (6) in position are welded at the bottom of the end-sealing angle steel (5); a transverse connecting rod (3) is arranged between the angle steel supporting leg (6) and the steel pipe supporting leg (7); the upper part of the angle steel supporting leg (6) is provided with a mounting hole for mounting the steel bar roller (2); the rotating handles (1) at the two ends of the steel bar roller (2) penetrate through the mounting holes to be rotatably connected with the angle steel supporting legs (6).

3. The device for controlling the lifting of the bottom die of the cast-in-place wet joint of the precast beam according to claim 1, is characterized in that: the anti-falling lifting rope (4) at the lower end of the bottom die (9) is connected with a template bottom support (10) which can support the bottom die (9).