CN211714541U - Special operating frame for installation of shear wall formwork in elevator shaft - Google Patents

Abstract

The utility model discloses a special operating frame for installing shear wall templates in an elevator shaft, which comprises a frame body which can be arranged in the elevator shaft, wherein a top frame of the operating frame is a square frame body which can be paved with wood gangboards to form an operating platform; the lower support frame comprises a straight support frame and an inclined support frame, and a connecting frame is arranged between the straight support frame and the inclined support frame; the lower extreme of support frame has welded the heel brace respectively, and the lug has all been welded in the top four corners department of square frame body. The utility model discloses an available wire rope of support body hoists in the elevator shaft, when accomplishing that certain one deck bottom plate need carry on the inboard mold sealing of elevartor shaft shear force wall after pouring, promote the support body with the operation platform rise to with this layer bottom plate height parallel and level, a left side, right side heel brace falls on the concrete face of one deck elevartor shaft gate below this construction floor, and the front end of top frame leans on to press on the one deck has pour the elevartor shaft interior wall that finishes below and form a stable support system, the support body is promoted and finally reachs the top of elevartor shaft along with the major structure construction is repeated.

Description

Special operating frame for installation of shear wall formwork in elevator shaft

technical field

The utility model relates to a building construction technology, in particular to a special operating frame for the installation of a shear wall formwork in an elevator shaft.

Background technique

In civil buildings, especially in high-rise building frame shear wall structure elevator shaft inner wall formwork installation and construction, because the elevator shaft is a shear wall structure, and is set through from the ground to the roof, there is no platform in the shaft, so it is installed in the elevator shaft. A certain degree of difficulty is caused when the formwork of the shear wall is used.

The current construction method is to set up full-floor scaffolding in the elevator shaft from the ground. As the floor rises, the scaffolding also rises. When the scaffolding in the shaft reaches about 20m, the cantilevered scaffolding is disconnected and repeated to the top. Each floor also needs a certain number of wall-connecting parts to fix the scaffolding to prevent instability.

This method is to set up scaffolding on each floor together with the scaffolding in the well, and then remove it after use. Therefore, a lot of scaffolding is used, and part of the labor is consumed to erect and dismantle. The installation and construction personnel have great potential safety hazards and low efficiency. At the same time, professional scaffolding operators are required to operate, and the use of restricted personnel is limited.

Therefore, it is the key to solve this problem to ensure the construction safety and efficient completion of the installer.

Utility model content

Aiming at the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a special operating frame for the installation of the shear wall formwork in the elevator shaft, which is easy to operate, improves efficiency, and is safe and reliable.

The special operation frame for the installation of the shear wall formwork in the elevator shaft that can solve the above-mentioned technical problems, its technical scheme includes a frame body that can be placed in the elevator shaft, and the frame body includes a top frame and a lower support frame, the differences are:

1. The top frame includes a square frame body welded with front and rear transverse section steels I and left and right longitudinal section steels I, and at least one longitudinal section steel II is welded to the bottom of the square frame body in the middle, which is in front of the longitudinal section steel II. , The back is equally spaced with transverse section steel Ⅱ welded on longitudinal section steel Ⅱ and left and right longitudinal section steel Ⅰ. The wooden springboard is covered and fixed on each transverse section steel Ⅱ in the square frame to form a working platform.

2. The lower support frame includes a straight support frame and a diagonal support frame. The straight support frame includes left and right vertical steel sections on both sides of the longitudinal section steel II, and the upper ends of the left and right vertical steel sections are welded to the rear transverse section steel I. The bottom of the left and right vertical section steels are welded with horizontal section steel III at equidistant intervals on the upper and lower sides. The upper end of the section steel is welded to the bottom of the front transverse section steel I respectively, and the lower ends of the left and right oblique section steel are welded to the lower part of the left and right vertical section steel respectively.

3. A connecting frame is arranged between the straight support frame and the diagonal support frame, and the connecting frame includes longitudinal section steel III welded between the corresponding vertical section steel and inclined section steel and welded between the left and right inclined section steel. The transverse section steel IV.

4. Foot supports are respectively welded on the rear sides of the lower ends of the left and right vertical sections of the support frame.

5. The four corners of the top of the square frame are welded with lifting ears.

In order to meet the strength design requirements, in the top frame, the front and rear transverse section steel I and the left and right longitudinal section steel I are made of 80×80×5 square steel, and the longitudinal section steel II and the transverse section steel II are made of 55×35×4. Made of square steel.

In order to meet the requirements of strength design, in the straight support, the left and right vertical sections are made of 80×80×5 square steel, and each horizontal section steel III is made of 55×35×4 square steel.

In order to meet the strength design requirements, in the diagonal brace, the left and right diagonal steels are made of 80×80×5 square steel.

In order to meet the requirements of strength design, in the connecting frame, the left and right longitudinal section steel III and transverse section steel IV are all made of 55×35×4 square steel.

In order to meet the requirements of strength design, the foot support adopts a right-angle frame structure and is made of 80×50×5 square steel and 50×36×4 square steel.

In order to meet the requirements of strength design, the lifting lug adopts a right-angle plate structure and is made of 50×36×4 angle steel.

Conventionally, the length and width directions of the square frame body correspond to the length and width directions of the elevator shaft, and the distance between each frame edge of the square frame body and the corresponding wall of the elevator shaft is 40mm-60mm.

The beneficial effects of the present utility model:

1. The use of the special operation frame for the installation of the shear wall formwork in the elevator shaft of the utility model can not only ensure the quality but also save time, and the operation is simple, fast, safe, stable and reliable, and the construction efficiency is improved by more than 20%.

2. The utility model not only replaces the original full-floor scaffolding, but also reduces the usage of construction equipment, satisfies the construction quality requirements and can be reused.

3. The utility model can greatly improve work efficiency on the premise of ensuring safety and quality.

Description of drawings

FIG. 1 is a front view of an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment of FIG. 1 .

FIG. 3 is a side view of the embodiment of FIG. 1 .

Drawing number identification: 1. Square frame body; 2. Straight support frame; 3. Diagonal support frame; 4. Connecting frame; 5. Foot support; 6. Lifting ears.

Detailed ways

The technical solutions of the present utility model will be further described below with reference to the embodiments shown in the accompanying drawings.

The utility model is a special operation frame for the installation of the shear wall formwork in the elevator shaft, which comprises a frame body which can be placed in the elevator shaft, and the frame body includes a top frame and a lower support frame.

The top frame includes a square frame body 1 welded with front and rear transverse section steels I and left and right longitudinal section steels I. The bottom of the square frame body 1 is welded with longitudinal section steel II in the middle, and six longitudinal section steels are arranged on the longitudinal section steel II. Transverse section steel II, four transverse section steels II are arranged at equal intervals at the front and rear, and the other two transverse section steels II are arranged close to the front and rear transverse section steel I respectively. It is respectively connected with the left and right longitudinal section steels I, and then on each horizontal section steel II in the square frame body 1. The wooden springboards are covered and fixed to form a working platform. The top surface of each wooden springboard is flush with the frame mouth of the square frame body 1. As shown in Figure 1, Figure 2, Figure 3.

In the above structure, the front and rear transverse section steel I and the left and right longitudinal section steel I are made of 80×80×5 square steel, and the longitudinal section steel II and the transverse section steel II are made of 55×35×4 square steel.

The lower support frame includes a straight support frame 2 and a diagonal support frame 3, the straight support frame 2 includes left and right vertical steel sections on both sides of the longitudinal section steel II, and the upper ends of the left and right vertical steel sections are welded to the rear transverse section steel. At the bottom of I, the upper and lower vertical sections are welded with horizontal section steel III at equal intervals between the left and right vertical sections. The upper end of the oblique section steel is welded to the bottom of the front horizontal section steel I respectively, and the lower ends of the left and right oblique section steel are welded to the lower part of the left and right vertical section steel respectively; The connecting frame 4 in the middle position, the connecting frame 4 includes the left and right longitudinal section steel III welded between the corresponding vertical section steel and the oblique section steel and the horizontal section steel IV welded between the left and right inclined section steel, such as Figure 1, Figure 2, Figure 3.

In the above structure, the left and right vertical section steels of the straight bracket 2 are made of 80×80×5 square steel, and each horizontal section steel III is made of 55×35×4 square steel; The directional section steel is made of 80×80×5 square steel; the left and right longitudinal section steel III and transverse section steel IV of the connecting frame 4 are made of 55×35×4 square steel.

Foot supports 5 are respectively welded on the lower ends and rear sides of the left and right vertical steel sections of the support frame 2. The foot supports 5 are in the form of right-angle frames and are welded with 80×50×5 square steel and 50×36×4 square steel. Production, as shown in Figure 1, Figure 2, Figure 3.

The four corners of the top of the square frame body 1 are welded with lifting lugs 6, and the lifting lugs 6 are in the form of right-angle plates, which are made by drilling holes in 50×36×4 angle steel.

In order to facilitate the lifting of the frame body in the elevator shaft, the length and width directions of the square frame body correspond to the length and width directions of the elevator shaft, and the distance between each frame edge of the square frame body 1 and the corresponding wall of the elevator shaft should be kept within 40mm ~ 60mm spacing.

The program steps of the utility model for the use of the special operating frame for the installation of the shear wall formwork in the elevator shaft are as follows:

1. Hoist the frame body in the elevator shaft with steel wire rope, adjust the hoisting angle of the frame body through the length of the wire rope to ensure that the frame body can be lifted smoothly in the elevator shaft. Support 5 lifts.

2. When the inner side of the elevator shaft shear wall needs to be sealed after the bottom plate is poured, lift the frame to raise the working platform to the height of the bottom floor, and place the left and right foot support 5 on the construction. The concrete slab at the entrance of the elevator shaft on the first floor below the floor, and the front end of the top frame is pressed against the inner wall of the elevator shaft that has been poured on the lower floor to form a stable support system, which is convenient for the construction personnel to form the formwork on the working platform. Install.

3. The frame body is repeatedly lifted with the construction of the main structure and finally reaches the top of the elevator shaft.

Claims (8)

1. The special operation frame for the installation of shear wall formwork in the elevator shaft includes a frame body that can be placed in the elevator shaft, and the frame body includes a top frame and a lower support frame, and is characterized in that: The top frame includes a square frame body (1) welded with front and rear transverse section steel I and left and right longitudinal section steel I, and at least one longitudinal section steel II is welded to the bottom of the square frame body (1) in the longitudinal direction. On the section steel II, there are transverse section steels II welded on the longitudinal section steel II and the left and right longitudinal section steels I at equal intervals. The wooden springboards are covered and fixed on each transverse section steel II in the square frame (1). to form a working platform; The lower support frame includes a straight support frame (2) and a diagonal support frame (3), the straight support frame (2) includes left and right vertical steel sections on both sides of the longitudinal section steel II, The upper end is welded on the bottom of the rear transverse section steel I, and the left and right vertical section steels are welded with horizontal section steel III at equidistant intervals above and below. Right oblique section steel, the upper ends of left and right oblique section steel are welded to the bottom of front transverse section steel I respectively, and the lower ends of left and right oblique section steel are welded to the lower part of left and right vertical section steel respectively; A connecting frame (4) is provided between the straight support frame (2) and the diagonal support frame (3), and the connecting frame (4) comprises longitudinal section steels III and III welded between the corresponding vertical section steel and the inclined section steel. Horizontal section steel IV welded between left and right oblique section steel; Foot supports (5) are respectively welded on the rear sides of the lower ends of the left and right vertical sections of the straight support frame (2); The four corners of the top of the square frame body (1) are welded with lifting ears (6). 2. The special operation frame for installing shear wall formwork in elevator shaft according to claim 1, characterized in that: in the top frame, the front and rear transverse section steel I and the left and right longitudinal section steel I are all made of 80×80×5 Made of square steel, both longitudinal section steel II and transverse section steel II are made of 55×35×4 square steel. 3. The special operation frame for installing shear wall formwork in an elevator shaft according to claim 1, characterized in that: in the straight support frame (2), the left and right vertical sections are made of 80×80×5 square steel , each transverse section steel III is made of 55×35×4 square steel. 4. The special operation frame for the installation of shear wall formwork in elevator shaft according to claim 1, characterized in that: in the diagonal brace (3), the left and right diagonal profiles are made of 80×80×5 square steel . 5. The special operation frame for installing shear wall formwork in an elevator shaft according to claim 1, characterized in that: in the connecting frame (4), the left and right longitudinal section steel III and transverse section steel IV all adopt 55×35×4 Made of square steel. 6. The special operation frame for installing shear wall formwork in elevator shaft according to claim 1, characterized in that: the foot support (5) is a right-angle frame, using 80×50×5 square steel and 50×36×4 square steel Made of steel. 7 . The special operation frame for installing shear wall formwork in an elevator shaft according to claim 1 , wherein the lifting lug ( 6 ) is a right-angle plate, which is made by drilling holes of 50×36×4 angle steel. 8 . 8. The special operation frame for installing shear wall formwork in an elevator shaft according to any one of claims 1 to 7, wherein the length and width directions of the square frame body (1) correspond to the length and width of the elevator shaft. In the width direction, the distance between each frame edge of the square frame body (1) and the corresponding wall surface of the elevator shaft is 40mm-60mm.

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