U-shaped device for clamping formwork

A U-shaped and formwork technology, which is applied to the joints of formwork/formwork/work frame, the preparation of building components on site, construction, etc., can solve the problem that the formwork is prone to deformation, unevenness, and the outer surface of the ring beam is not vertical, etc. problems, to achieve the effect of improving the overall rigidity and improving installation efficiency

Pending Publication Date: 2018-03-30
北京中易房建筑工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the ring beam formwork 2 has only one stress point in the vertical direction, the formwork is prone to deformation during the construction process, resulting in non-vertical and uneven outer surfaces of the ring beam

Method used

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  • U-shaped device for clamping formwork
  • U-shaped device for clamping formwork
  • U-shaped device for clamping formwork

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 2 As shown, a U-shaped device for clamping templates includes a horizontal steel plate 3 , two vertical steel plates 4 and at least two pairs of abutting devices 5 . Both ends of the transverse steel plate 3 are fixedly connected to one end of two vertical steel plates 4 respectively, thereby forming a U-shaped piece. The transverse steel plate 3 and the two vertical steel plates 4 of the U-shaped piece are preferentially integrally formed, and may also be connected by welding. Each pair of abutting devices 5 is respectively connected to two vertical steel plates 4 , and different pairs of abutting devices 5 are vertically arranged on the vertical steel plates 4 . The abutment device 5 includes a fixing block 51 and a bolt 52 . The fixed block 51 is welded on the inner surface of the vertical steel plate 4, and the inside of the fixed block 51 is provided with a bolt through hole, and the bolt 52 passes through the bolt through hole toward the ring bea...

Embodiment 2

[0040] Such as image 3 and Figure 4 As shown, the difference from the first embodiment is that: in order to increase the contact area between the abutment device 5 and the ring beam formwork 2 , the ring beam formwork 2 is not damaged by the ends of the bolts 52 . The abutment device 5 further includes an abutment block 53 , which is connected to one end of the bolt 52 close to the ring beam formwork 2 , and the abutment block 53 is in contact with the ring beam formwork 2 .

[0041] After the ring beam concrete pouring is completed, the concrete exerts a pressing force on the ring beam formwork 2, so there is also a great pressure between the ring beam formwork 2 and the abutment block 53. At this time, if you want to loosen the bolt 52, you must overcome The frictional force between the abutment block 53 and the ring beam template 2 makes it difficult to remove the U-shaped device. So, if Figure 5 As shown, one end of the bolt 52 connected to the abutting block 53 is r...

Embodiment 3

[0050] The difference from the first embodiment is that the horizontal steel plate 3 is replaced by a horizontal square steel pipe, and the two vertical steel plates 4 are replaced by two vertical square steel pipes. The square steel pipe has better rigidity than the steel plate, and is not easy to produce bending deformation, so that the U-shaped device has better rigidity without adding additional back ribs 7 and reinforcing plates 6 .

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Abstract

The invention discloses a U-shaped device for clamping a formwork. According to the main points of the technical scheme, the U-shaped device comprises a U-shaped piece and at least two pairs of abutting devices; the U-shaped piece is composed of a transverse steel plate and two vertical steel plates, and the two ends of the transverse steel plate are correspondingly and fixedly connected with oneends of the two vertical steel plates; each pair of abutting devices are correspondingly connected to the two vertical steel plates, and different pairs of abutting devices are vertically arrayed on the vertical steel plates; the abutting devices can move towards the direction perpendicular to a ring beam formwork, and by adjusting the abutting devices, one ends of the abutting devices make contact with the ring beam formwork in an abutting mode, so that the ring beam formwork is clamped and fixed. When the U-shaped device is used for fixing the ring beam formwork, the ring beam formwork has at least two force bearing points in the vertical direction, and the ring beam formwork is not easily deformed and can better maintain the vertical state, so that the surface of the outer side of a concrete ring beam after construction is completed is more flat.

Description

technical field [0001] The invention relates to the field of building formwork engineering, in particular to a tool for fixing formwork. Background technique [0002] At present, the wall-penetrating tension screw is a common component used for supporting and fixing formwork in engineering buildings. However, because it needs to pass through the wall during its use, the wall construction is completed, and holes will be left on the wall after the formwork is removed. [0003] The granary is a special building for storing grain. In order to ensure that the grain remains dry and does not rot, the outer wall of the granary must have good airtightness, and no holes should be left during the construction of the outer wall. Therefore, for granaries with brick-concrete structure, in the construction of concrete ring beams, the formwork cannot be fixed with wall-to-wall tensioning screws. The commonly used tool for fixing ring beam formwork is U-shaped card, such as figure 1 As sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G17/00E04G17/075
CPCE04G17/001E04G17/0757
Inventor 孙世立张军星师鹏飞张艳杰杨自武
Owner 北京中易房建筑工程有限公司
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