CN210713768U

CN210713768U - Steel pipe external scaffold drawknot rod fixing device

Info

Publication number: CN210713768U
Application number: CN201921234862.5U
Authority: CN
Inventors: 张可心; 龚鹏举; 王志强; 金帅
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-06-09
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a steel pipe external scaffold drawknot rod fixing device, which comprises a fixing piece (1), a safety lock (2) and a fastening fastener (4); the upper part of the fixing piece (1) is of a U-shaped structure, and the lower part of the fixing piece (1) is of a T-shaped structure; the upper U-shaped structure of the fixing piece (1) is installed in a matching mode with the beam bottom template (5), and the safety lock (2) penetrates through the upper U-shaped structure of the fixing piece (1) and the beam side template (7) and is locked, so that the fixing piece (1) is fixedly connected with the beam template; the lower T-shaped structure of the fixing piece (1) is fixedly connected with the outer scaffold tie rod (6) through a fastening fastener (4). The utility model discloses can reduce the operation degree of difficulty that fixing device caused follow-up construction process and the not good problem of survival quality, avoid outer scaffold frame to draw the node secondary to modify, reduce outer scaffold frame potential safety hazard of steel pipe, be favorable to follow-up construction process one shot forming, guarantee the whole quality of building.

Description

Steel pipe external scaffold drawknot rod fixing device

Technical Field

The utility model relates to a scaffold frame fixed knot constructs especially relates to an outer scaffold frame drawknot pole fixing device of steel pipe.

Background

With the development of the real estate industry, in order to improve the overall quality and the living experience of residential communities, small high-rise and multi-story foreign houses are more selected by local producers, and meanwhile, the requirements of house buyers on the quality of the residential houses are also continuously improved, and the local producers and construction enterprises pay more and more attention to the building quality to meet the market demands. From the analysis of construction economy, the steel pipe external scaffold is most suitable for building peripheral protective frames and operation frames in the construction process of small high-rise buildings and foreign-style houses, and is widely adopted by various construction enterprises, the whole stability and safety of the scaffold are ensured because the steel pipe external scaffold must be reliably tied with a structure, and the tie rod fixing points of the steel pipe external scaffold are usually in a form of arranging pre-buried steel pipes on a structural beam at a window, so that the problems of one-step forming, secondary modification of tie points, poor secondary plugging and repairing quality of the subsequent processes of a main body, prolonged lease period of external scaffold materials and the like are caused.

The prior art scaffold drawknot structure mainly has the following disadvantages:

1. the outer scaffold of traditional steel pipe drawknot pole fixed point generally adopts and sets up pre-buried steel pipe form on window department structure roof beam, and the outer scaffold drawknot pole adopts cross fastener and pre-buried steel pipe drawknot, causes the windowsill to build by laying bricks or stones unable one shot forming, further causes indoor outer plastering, outer heat preservation, outer wall decoration etc. unable one shot forming.

2. The position of the tie rod needs to be secondarily modified after the indoor plastering and the outer wall decoration are finished in a large area, so that potential safety hazards of the outer scaffold are easily caused.

3. Secondary plugging and repairing of all procedures (masonry, internal and external plastering, external heat preservation, external decoration and the like) at the fixed point of the original tie rod are carried out, and the quality of plugging and repairing is not easy to control, so that the quality problems of increased external wall leakage probability, poor external decoration sensory effect and the like are caused.

4. Because the tie rod fixed point is located the roof beam, the tie rod generally goes deep into indoor length along the structural plane and varies along with the outrigger change, has also caused very big difficulty to indoor geothermol power ground tissue construction or construction operation, has further caused geothermol power ground quality hidden danger.

Disclosure of Invention

An object of the utility model is to provide a steel pipe external scaffolding drawknot pole fixing device can reduce the operation degree of difficulty and the not good problem of survival quality that fixing device caused follow-up construction process (build by laying bricks or stones, indoor outer plaster, outer heat preservation, outer decoration etc.), avoids external scaffolding drawknot point secondary to modify, reduces steel pipe external scaffolding potential safety hazard, is favorable to follow-up construction process one shot forming, guarantees the whole quality of building.

The utility model discloses a realize like this:

a steel pipe external scaffold drawknot rod fixing device comprises a fixing piece, a safety lock and a fastening fastener; the upper part of the fixing piece is of a U-shaped structure, and the lower part of the fixing piece is of a T-shaped structure; the upper U-shaped structure of the fixing piece is installed in a matching mode with the beam bottom template, and the safety lock penetrates through the upper U-shaped structure of the fixing piece and the beam side template and is locked, so that the fixing piece is fixedly connected with the beam template; the lower T-shaped structure of the fixing part is fixedly connected with the tie rod of the outer scaffold through a fastening fastener.

The fixing piece is characterized in that a partition plate is arranged in the U-shaped structure at the upper part of the fixing piece, the two partition plates are installed along the beam side template, and the safety lock penetrates through the two partition plates, so that the fixing piece, the partition plates and the beam template are fixedly connected through the safety lock.

The fixing piece comprises a bottom steel plate, side steel pipes symmetrically arranged on two sides of the top of the bottom steel plate and a lower steel pipe arranged in the center of the bottom steel plate, the bottom steel plate and the side steel pipes form an upper U-shaped structure, and the bottom steel plate and the lower steel pipe form a lower T-shaped structure.

The bottom steel plate of the fixing piece and the bottom plate of the structural beam are located at the same elevation position.

The safety lock comprises a split screw, a nut and a sleeve, wherein the sleeve is sleeved on the split screw to form a safety lock body, and the safety lock body penetrates through the fixing piece and the isolating plate and is locked on the outer side of the fixing piece through the nut.

The utility model discloses regard as drawknot pole fixed stay element with sword handle formula mounting, assist the division board, reliably fix the mounting under the window department structure roof beam through the safety lock, adopt fastening fastener and drawknot pole fixed, can solve the problem such as the operation degree of difficulty that traditional steel pipe outer scaffolding drawknot pole fixed point caused to follow-up construction process is not good with the quality of surviving effectively conscientiously, avoided outer scaffolding drawknot point secondary modification, reduced steel pipe outer scaffolding potential safety hazard, be favorable to follow-up construction process (building by laying bricks or stones, inside and outside plaster, outer heat preservation, outer decoration etc.) one shot forming, guarantee the whole quality of building; meanwhile, the steel pipe outer scaffold material lease period can be shortened, and the project cost is saved. The utility model has the characteristics of preparation and easy dismounting, connection are firm, the practicality is strong, extensive applicability and can have enough to meet the need the use etc, are applicable to house (structural style such as shear force wall or short limb shear force wall) steel pipe external scaffolding drawknot pole fixed point.

Drawings

Fig. 1 is a construction schematic view of the steel pipe external scaffold tie rod fixing device of the present invention;

fig. 2 is a front view of the tie bar fixing device for the steel pipe external scaffold of the present invention;

fig. 3 is a side view of the tie bar fixing device for the steel pipe external scaffolding of the present invention;

fig. 4 is a front view of a fixing member of the tie bar fixing device for the steel pipe external scaffolding of the present invention;

fig. 5 is an exploded view of the safety lock in the steel pipe external scaffolding tie rod fixing device of the present invention.

In the figure, 1 fixing piece, 11 bottom steel plate, 12 side steel tube, 13 lower steel tube, 2 safety lock, 21 split screw, 22 nut, 23 sleeve, 3 isolation plate, 4 fastening fastener, 5 beam bottom formwork, 6 external scaffold tie rod and 7 beam side formwork.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 3, a tie bar fixing device for a steel pipe external scaffold comprises a fixing member 1, a safety lock 2 and a fastening fastener 4; the upper part of the fixing piece 1 is of a U-shaped structure, and the lower part of the fixing piece 1 is of a T-shaped structure, so that a fixing piece with a sword handle type structure is formed; the upper U-shaped structure of the fixing piece 1 is installed in a matching mode with the beam bottom template 5, and the safety lock 2 penetrates through the upper U-shaped structure of the fixing piece 1 and the beam side template 7 and is locked, so that the fixing piece 1 is fixedly connected with the beam template; the lower T-shaped structure of the fixing part 1 is fixedly connected with the outer scaffold drawknot rod 6 through a fastening fastener 4.

The fixing piece 1 is characterized in that partition boards 3 are respectively arranged on the inner walls of two sides of the upper U-shaped structure of the fixing piece 1, the two partition boards 3 are installed along the beam side template 7, and the safety lock 2 penetrates through the two partition boards 3, so that the fixing piece 1, the partition boards 3 and the beam template are fixedly connected through the safety lock 2. Preferably, the partition plate 3 can be made of 100 × 200 × 15mm steel plates, so that the fixing member 1 can be conveniently detached, materials can be obtained, the manufacturing is convenient, and the cost is low.

Referring to fig. 4, preferably, the fixing member 1 includes a bottom steel plate 11, side steel pipes 12 symmetrically disposed at both sides of the top of the bottom steel plate 11, and a lower steel pipe 13 disposed at the center of the bottom steel plate 11, wherein the bottom steel plate 11 and the side steel pipes 12 form an upper U-shaped structure, and the bottom steel plate 11 and the lower steel pipe 13 form a lower T-shaped structure. The bottom surface steel plate 11 can adopt the size to be 100X 330X 15 mm's steel sheet, and side steel pipe 12 can adopt 200mm long 40X 40mm square steel pipe, and the upper portion of side steel pipe 12 sets up 50 mm's hole and is used for through insurance lock 2, and lower steel pipe 13 can adopt 200mm long A48.3mm round steel pipe, draws materials, the preparation is convenient, and is with low costs.

The bottom steel plate 11 of the fixing piece 1 and the bottom plate of the structural beam are located at the same elevation position, and the common arrangement of beam bottom batten support is guaranteed.

Referring to fig. 5, the safety lock 2 includes a split screw 21, a nut 22 and a sleeve 23, the sleeve 23 is sleeved on the split screw 21 to form a safety lock body, the safety lock body penetrates through the fixing member 1 and the isolation plate 3 and is locked at the outer side of the fixing member 1 by the nut 22 to ensure effective clamping of the fixing member 1 and the beam form and to ensure the stability of the fixing member 1. The counter-pulling screw 21 is preferably an a16 screw.

Referring to the attached drawings 1 to 5, during construction, according to engineering construction procedures, the steel pipe outer scaffold on the layer is built before the main body of the layer of the building is constructed upwards. When a beam template at a window of a building floor is constructed, the fixing piece 1 and the beam bottom template 5 are installed in a coordinated mode, the fixing piece 1 is guaranteed to correspond to a vertical rod of an external scaffold, a bottom steel plate 11 of an upper U-shaped structure of the fixing piece 1 and a beam bottom plate are located at the same elevation, and the beam bottom batten support is guaranteed to be normally arranged; the isolation plate 3 and the beam side template 7 are installed in cooperation and are installed on the inner side of the side steel tube 12 of the fixing piece 1, and then the isolation plate and the fixing piece 1 are locked and do not slip through installing the safety lock 2; after the main concrete of the layer is poured, the outer scaffold tie rod 6 is fastened with the lower steel pipe 13 of the fixing piece 1 by adopting the cast iron cross-shaped fastening fastener 4. After the template is demolishd to this layer of major structure of building, only remain the utility model discloses a drawknot pole fixing device stays under the structure roof beam. After the building main body is constructed and formed in one step in the following steps of masonry, indoor and outdoor plastering, external heat preservation and external decoration, the building main body is detached along with the steel pipe external scaffold and the tie rod layer by layer, the fastening fastener 4, the safety lock 2, the fixing piece 1 and the isolation plate 3 are taken down according to the above steps, and then all procedures of the corresponding position of the window are closed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a steel pipe external scaffolding drawknot pole fixing device which characterized by: comprises a fixing piece (1), a safety lock (2) and a fastening fastener (4); the upper part of the fixing piece (1) is of a U-shaped structure, and the lower part of the fixing piece (1) is of a T-shaped structure; the upper U-shaped structure of the fixing piece (1) is installed in a matching mode with the beam bottom template (5), and the safety lock (2) penetrates through the upper U-shaped structure of the fixing piece (1) and the beam side template (7) and is locked, so that the fixing piece (1) is fixedly connected with the beam template; the lower T-shaped structure of the fixing piece (1) is fixedly connected with the outer scaffold tie rod (6) through a fastening fastener (4).

2. The tie bar fixing device for the external scaffold of steel pipe as set forth in claim 1, wherein: the fixing piece (1) is characterized in that an isolating plate (3) is arranged in an upper U-shaped structure, the two isolating plates (3) are installed along a beam side template (7), and the safety lock (2) penetrates through the two isolating plates (3), so that the fixing piece (1), the isolating plate (3) and the beam template are fixedly connected through the safety lock (2).

3. The tie bar fixing device for the external scaffold of steel pipe according to claim 1 or 2, wherein: the fixing piece (1) comprises a bottom steel plate (11), side steel pipes (12) symmetrically arranged on two sides of the top of the bottom steel plate (11) and a lower steel pipe (13) arranged in the center of the bottom steel plate (11), wherein the bottom steel plate (11) and the side steel pipes (12) form an upper U-shaped structure, and the bottom steel plate (11) and the lower steel pipe (13) form a lower T-shaped structure.

4. The tie bar fixing device for the external scaffold of steel pipe as set forth in claim 3, wherein: the bottom steel plate (11) of the fixing piece (1) and the bottom plate of the structural beam are located at the same elevation position.

5. The tie bar fixing device for the external scaffold of steel pipe according to claim 1 or 2, wherein: the safety lock (2) comprises a split screw (21), a nut (22) and a sleeve (23), wherein the sleeve (23) is sleeved on the split screw (21) to form a safety lock main body, the safety lock main body penetrates through the fixing piece (1) and the isolating plate (3), and is locked on the outer side of the fixing piece (1) through the nut (22).