Horizontal hole formwork erecting device

Abstract

The utility model relates to the technical field of building construction, in particular to a horizontal opening formwork erecting device which comprises steel tubes, upper steel tubes, lower steel tubes, bolts and steel plates, and the steel tubes are welded to form a steel tube framework shaped like a Chinese character'tian '. The upper steel pipe is welded in the middle of the steel through framework; a plurality of through holes are formed in the side wall of the lower end of the upper steel pipe; a notch is formed in the top of the lower steel pipe, and a plug pin matched with the through hole is arranged in the notch. The width of the notch is slightly greater than that of the bolt; the inner diameter of the lower steel pipe is slightly larger than the outer diameter of the upper steel pipe; the steel plate is welded to the bottom of the lower steel pipe to serve as a base, and the problems that in the prior art, the edge rigidity of a formwork is insufficient, fixing is not firm, and slab staggering and slurry leakage are caused by deformation are solved.

Description

Technical Field

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[0001] The utility model relates to the technical field of building construction, and particularly relates to a horizontal hole formwork support device. Background Art

[0002] In the prior art, for the construction operation of hole plugging, wooden formwork is generally used as the bottom formwork for operation. In the reinforcement link of this construction method, it mainly relies on two means: one is to use steel pipe props for vertical support; the other is to complete it by means of suspension and fixation with iron wire. After the concrete used for plugging reaches the predetermined strength standard, the construction personnel will remove the steel pipe vertical support or cut the iron wire, and then remove the bottom formwork.

[0003] However, there are some obvious problems in the installation formwork method using steel pipe props as support in practical applications. Specifically, the bearing load capacity of this method is relatively small, the stiffness of the formwork edge is insufficient, and there is a lack of a reliable fixing method. This results in deformation easily occurring during the process of the formwork bearing the concrete load, and thus causing the problems of offset and leakage of mortar.

[0004] On the other hand, although the method of lifting upward with iron wire can save the complex steps of steel pipe back jacking, this method also has potential safety hazards. If the iron wire binding is not firm, it will lead to the problem of formwork displacement. In addition, the iron wire itself cannot bear a large load, and the plugging effect on the horizontal hole is also limited. More importantly, the iron wire is prone to corrosion after plugging, which will inevitably bring potential leakage problems and affect the project quality and safety. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, this application provides a horizontal hole formwork support device to solve the problems of insufficient stiffness of the formwork edge, unreliable fixation, and easy deformation resulting in offset and leakage of mortar in the prior art.

[0006] The technical means adopted by the utility model to solve its technical problems is: a horizontal hole formwork support device, the improvement of which is that it includes steel channels, upper steel pipes, lower steel pipes, pins, and steel plates. Among them, the steel channels are welded to each other to form a "tian" - shaped steel channel framework; the upper steel pipe is welded at the center position of the steel channel framework; a plurality of through - holes are provided on the side wall at the lower end of the upper steel pipe; a notch is provided at the top of the lower steel pipe, and a pin matching the through - hole is arranged in the notch; the width of the notch is slightly larger than the pin; the inner diameter of the lower steel pipe is slightly larger than the outer diameter of the upper steel pipe; the steel plate is welded at the bottom of the lower steel pipe as a base.

[0007] In the above technical solution, the device further includes a nut sleeve. A thread is provided at the top of the lower steel pipe and is adapted to the nut sleeve. After the nut sleeve is screwed into the thread of the lower steel pipe, the upper steel pipe is inserted into the lower steel pipe, and by rotating the nut sleeve, the tightness between the upper steel pipe and the lower steel pipe can be adjusted.

[0008] In the above technical solution, after the nut sleeve is screwed into the lower steel pipe, a blocking member is sleeved on the top of the lower steel pipe.

[0009] In the above technical solution, the blocking member is an annular clamp. Its inner diameter is slightly smaller than the outer diameter of the lower steel pipe but larger than the outer diameter of the nut sleeve, and is used to limit the downward movement of the nut sleeve after the nut sleeve is tightened, while not affecting the insertion and adjustment of the upper steel pipe.

[0010] In the above technical solution, a "7"-shaped handle for adjusting the tightness is welded on the nut sleeve.

[0011] In the above technical solution, diagonal braces are welded between the four corners of the "field"-shaped steel through-frame and the upper steel pipe.

[0012] In the above technical solution, the multiple through-holes are evenly distributed, and each through-hole is equipped with an elastic sealing ring to ensure the tightness and stability when the bolt is inserted and prevent loosening.

[0013] In the above technical solution, anti-slip patterns are provided on the bottom of the steel plate, and installation holes are provided at the four corners of the steel plate.

[0014] The beneficial effects of the present utility model are as follows:

[0015] By adding a steel through at the lower edge of the template, the stiffness of the template edge is enhanced. After concrete pouring, the template edge is not prone to deformation, resulting in slurry leakage and misalignment. By using the "field"-shaped steel through-frame, the stability and integrity of the support are increased. By using the cooperation of the bolt and the through-hole, different insertion holes can be selected according to the different heights of the hole opening. The entire support device is convenient to install and has a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of a horizontal hole formwork support device shown in an embodiment of the present utility model;

[0017] Figure 2 It is a structural diagram of a "field"-shaped steel through-frame shown in an embodiment of the present utility model;

[0018] Figure 3 It is a schematic diagram of an upper steel pipe shown in an embodiment of the present utility model;

[0019] Figure 4 It is a schematic diagram of a lower steel pipe shown in an embodiment of the present utility model;

[0020] Figure 5 Another schematic diagram of the lower steel pipe shown in the embodiment of the present utility model;

[0021] Figure 6 Schematic diagram of the "7"-shaped handle shown in the embodiment of the present utility model. Specific implementation manners

[0022] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0023] Hereinafter, the concept, specific structure and technical effects generated by the present utility model will be clearly and completely described in conjunction with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of the present utility model. In addition, all connection / connection relationships involved in the patent do not simply refer to the direct connection of components, but refer to the formation of a more optimal connection structure by adding or reducing connection accessories according to specific implementation situations. Each technical feature in the creation of the present utility model can be combined interactively without conflicting with each other.

[0024] As Figure 1-3 shown, the present application provides a horizontal hole formwork support device, including steel channels 1, upper steel pipes 2, lower steel pipes 3, pins 4 and steel plates 5. Among them,

[0025] The steel channels 1 are welded to each other to form a "field"-shaped steel channel framework 11; the upper steel pipe 2 is welded at the central position of the steel channel framework 11; a plurality of through holes 21 are provided on the side wall at the lower end of the upper steel pipe 2; a notch 31 is provided at the top of the lower steel pipe 3, and a pin 4 matching with the through hole 21 is arranged in the notch 31; the width of the notch 31 is slightly larger than that of the pin 4; the inner diameter of the lower steel pipe 3 is slightly larger than the outer diameter of the upper steel pipe 2; the steel plate 5 is welded at the bottom of the lower steel pipe 3 as a base.

[0026] Through the above embodiments, steel channels are added below the edge of the formwork, so that the stiffness of the formwork edge is enhanced. After concrete pouring, the formwork edge is not prone to deformation and resulting in slurry leakage and misalignment of the formwork. By using the "field"-shaped steel channel framework, the stability and integrity of the support are increased. By using the cooperation of the pin and the through hole, different jacks can be selected for insertion according to the different heights of the hole. The whole support device is easy to install and has a simple structure.

[0027] In a possible implementation manner, continue to refer to Figure 2As shown, the four corners of the "field" - shaped steel through - frame 11 are respectively welded with diagonal bracing steel through - frames 12 to the upper steel pipe 2, further enhancing the stability and integrity of the horizontal hole formwork support device.

[0028] In a possible implementation, as Figure 4-5 shown, the device further includes a nut sleeve 6. A thread 32 that mates with the nut sleeve 6 is provided at the top of the lower steel pipe 3. After the nut sleeve 6 is screwed into the thread 32 of the lower steel pipe 3, the upper steel pipe 2 is inserted into the lower steel pipe 3, and by rotating the nut sleeve 6, the tightness between the upper steel pipe 2 and the lower steel pipe 3 can be adjusted.

[0029] In a possible implementation, continue to refer to Figure 4 shown. After the nut sleeve 6 is screwed into the lower steel pipe 3, a blocking member 7 is sleeved on the top of the lower steel pipe 3.

[0030] Optionally, the blocking member 7 is an annular clamp, whose inner diameter is slightly smaller than the outer diameter of the lower steel pipe 3 but larger than the outer diameter of the nut sleeve 6, and is used to limit the downward movement of the nut sleeve 6 after the nut sleeve 6 is tightened, while not affecting the insertion and adjustment of the upper steel pipe 2. In another exemplary embodiment, the blocking member 7 can also be a short section of steel pipe.

[0031] In a possible implementation, as Figure 6 shown, a "7" - shaped handle 61 for adjusting the tightness is welded on the nut sleeve 6, which is convenient for twisting the nut sleeve 6.

[0032] In a possible implementation, the multiple through - holes 21 are evenly distributed, and each through - hole 21 is equipped with an elastic sealing ring to ensure the tightness and stability when the bolt pin 4 is inserted, and prevent loosening.

[0033] In a possible implementation, anti - slip patterns are provided on the bottom of the steel plate 5, and at the four corners of the steel plate 5, mounting holes are provided.

[0034] Optionally, the anti - slip patterns can be irregular protrusions. At the same time, the steel plate 5 can be fixed to the construction ground by screwing screws through the mounting holes.

[0035] Through the above embodiments, the present application solves the problems in the prior art such as insufficient stiffness at the template edge, unreliable fixation, and easy deformation resulting in offset and mortar leakage; at the same time, the formwork support device of the present utility model can also have the ability to adjust according to the height of the hole, ensuring that there are steel through - frames as supports under the edge of the template, thereby providing sufficient stiffness and being able to bear a large load; in addition, the materials selected in the present utility model are easy to obtain and have low cost, and can realize the turnover use of materials, saving costs; the demolition and installation efficiency is fast, and only by twisting the nut sleeve, the installation can be completed.

[0036] The above is a specific description of the preferred implementation of the present invention, but the invention of the present invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A horizontal hole formwork device, characterized in that: It includes steel tubes, upper steel pipes, lower steel pipes, pins and steel plates. Among them, the steel tubes are welded to each other to form a "field"-shaped steel tube framework; the upper steel pipe is welded at the central position of the steel tube framework; a plurality of through holes are provided on the side wall at the lower end of the upper steel pipe; a notch is provided at the top of the lower steel pipe, and a pin matching the through hole is arranged in the notch; the width of the notch is slightly larger than the pin; the inner diameter of the lower steel pipe is slightly larger than the outer diameter of the upper steel pipe; the steel plate is welded to the bottom of the lower steel pipe as a base.

2. The horizontal hole formwork device according to claim 1, characterized in that: The device further includes a nut sleeve. A threaded thread matching the nut sleeve is provided at the top of the lower steel pipe. After the nut sleeve is screwed into the threaded thread of the lower steel pipe, the upper steel pipe is inserted into the lower steel pipe, and the nut sleeve can be rotated to adjust the tightness between the upper steel pipe and the lower steel pipe.

3. The horizontal hole formwork device according to claim 2, characterized in that: After the nut sleeve is screwed into the lower steel pipe, a blocking member is sleeved on the top of the lower steel pipe.

4. The horizontal hole formwork device according to claim 3, characterized in that: The blocking member is an annular clamp, the inner diameter of which is slightly smaller than the outer diameter of the lower steel pipe but larger than the outer diameter of the nut sleeve, and is used to limit the downward movement of the nut sleeve after the nut sleeve is tightened, and at the same time does not affect the insertion and adjustment of the upper steel pipe.

5. The horizontal hole formwork device according to claim 2, characterized in that: A "7"-shaped handle for adjusting the tightness is welded on the nut sleeve.

6. The horizontal hole formwork device according to claim 1, characterized in that: Diagonal braces are welded to the upper steel pipe at the four corners of the "field"-shaped steel tube framework.

7. The horizontal opening formwork device according to claim 1, characterized in that: The plurality of through holes are evenly distributed, and each through hole is equipped with an elastic sealing ring to ensure the tightness and stability when the pin is inserted and prevent loosening.

8. The horizontal hole formwork device according to claim 1, characterized in that: Anti-slip patterns are provided on the bottom of the steel plate, and mounting holes are provided at the four corners of the steel plate.

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