CN206319597U - A kind of cantilever steel girder erecting device - Google Patents

Abstract

The utility model discloses a cantilevered steel beam formwork device, which comprises angle steel, a concrete floor slab, steel pipes and PVC plastic pipes, the angle steel is connected with the I-beam, and the concrete floor is pre-embedded with reinforcement mesh, connection steel bars and connection Steel wire, U-shaped anchor ring and embedded iron plate are pre-embedded in the beam, the upper end of the I-beam is welded with a steel bar head, the pre-embedded iron plate is welded to the channel steel, and the PVC plastic pipe is connected to the U-shaped The anchor rings are internally connected. The cantilevered steel beam formwork device is innovatively designed in combination with the currently used formwork device. The cantilevered steel beam formwork device is pre-embedded with iron plates during the construction of the next layer of the formwork layer, and fixed with a U-shaped anchor ring on this layer. The cantilevered I-steel beam is reinforced with channel steel at the bottom, and the channel steel is welded to the embedded iron plate, and then the cantilevered I-steel beam is used as the formwork platform to optimize the high formwork into an ordinary formwork , can effectively reduce construction safety hazards, reduce costs, shorten construction periods, and increase the turnover rate of formwork and wood.

Description

Formwork supporting device for cantilevered steel beams

technical field

The utility model relates to the technical field of bridge structure models, in particular to a cantilevered steel beam formwork support device.

Background technique

The cantilevered steel beam formwork device is a cantilevered steel beam formwork device used to support the structural formwork of buildings with large-span staggered floors and cantilevered tree pools, balconies or flower ponds on the facade of the building. It is mainly composed of angle steel , U-shaped anchor ring, steel pipe, steel bar head, I-beam, steel mesh, embedded iron plate and channel steel. With the development of science and technology, there are more and more types of cantilever steel beam formwork devices. For The demand for cantilevered steel beam formwork devices is getting higher and higher.

However, the cantilevered steel beam formwork devices currently used still have some deficiencies. For example, in the construction of structural formwork, most of them use high formwork for construction, but when the height of the split is large, the safety of using high formwork construction There are many hidden dangers, high cost, and long construction period, and the turnover rate of formwork wood is reduced, which cannot meet the needs of use. Therefore, in view of the existence of this situation, innovative design of related equipment is now required.

Utility model content

The purpose of this utility model is to provide a cantilevered steel beam formwork device to solve the problem that in the construction of structural formwork proposed in the above background technology, most of the construction is carried out with high support formwork, but when the height of the staggered floor is large, high support formwork is used. The safety hazards of formwork construction are large, the cost is high, and the construction period is long, and the turnover rate of formwork wood is reduced.

In order to achieve the above object, the utility model provides the following technical solutions: a cantilever steel beam formwork device, including angle steel, concrete floor, steel pipe and PVC plastic pipe, the angle steel is connected with the I-beam, and it is connected with the nut , the concrete floor is pre-embedded with reinforcing steel mesh, connecting steel bars and connecting steel wires, and it is connected with the beam, the U-shaped anchor ring and the pre-embedded iron plate are pre-embedded in the beam, and the upper end of the I-beam is welded with The steel bar head, and its lower end is welded to the channel steel at the welding point, the embedded iron plate is welded to the channel steel, the steel pipe is connected to the steel bar head, and the PVC plastic pipe is connected to the U-shaped anchor ring. And the upper end of the U-shaped anchor ring is provided with silk teeth.

Preferably, the U-shaped anchor ring is U-shaped, and two nuts are connected to its upper end.

Preferably, the steel bar head is a rebar with a length of 200-250 mm and a diameter of 25 mm, and the number of steel bars is the same as the number of vertical poles of the upper formwork frame.

Preferably, the I-beam is 16# national standard I-beam.

Preferably, the U-shaped anchor ring is connected to the reinforcement mesh through connecting steel bars and connecting steel wires, and it is connected to the I-beam through angle steel and nuts.

Compared with the prior art, the beneficial effect of the utility model is: the cantilevered steel beam formwork device is innovatively designed in combination with the currently used formwork device, and the cantilevered steel beam formwork device is constructed on the next layer of the formwork layer Pre-embed the iron plate, and fix the cantilevered I-beam with a U-shaped anchor ring on this layer, use channel steel to reinforce the diagonal brace, weld the channel steel and the embedded iron plate, and then pass the cantilever I-beam The beam is used as a formwork platform, and the high formwork is optimized into an ordinary formwork, which can effectively reduce construction safety hazards, reduce costs, shorten construction periods, and increase the turnover rate of formwork wood.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the installation structure of the U-shaped anchor ring of the present invention.

In the figure: 1, angle steel, 2, nut, 3, wire thread, 4, U-shaped anchor ring, 5, concrete floor, 6, beam, 7, steel pipe, 8, steel bar head, 9, I-beam, 10, Solder spot, 11, channel steel, 12, embedded iron plate, 13, steel mesh, 14, connecting steel bar, 15, connecting steel wire, 16, PVC plastic pipe.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a cantilevered steel beam formwork device, including angle steel 1, nut 2, thread 3, U-shaped anchor ring 4, concrete floor 5, beam 6, steel pipe 7. Rebar head 8, I-beam 9, solder joint 10, channel steel 11, embedded iron plate 12, steel mesh 13, connecting steel bar 14, connecting steel wire 15 and PVC plastic pipe 16, angle steel 1 and I-beam 9 connected, and it is connected with the nut 2, and the reinforced mesh 13, the connecting steel bar 14 and the connecting steel wire 15 are pre-embedded in the concrete floor 5, and it is connected with the beam 6, and the U-shaped anchor ring 4 and the U-shaped anchor ring 4 and the Embedded iron plate 12, U-shaped anchor ring 4 is U-shaped, and its upper end is connected with two nuts 2, at least 3-5 wire teeth 3 are exposed after the connection, U-shaped anchor ring 4 passes through the connecting steel bar 14 and the connecting steel wire 15 is connected with the steel mesh 13, and it is connected with the I-beam 9 through the angle steel 1 and the nut 2, the upper end of the I-beam 9 is welded with a steel bar head 8, and its lower end is welded with the channel steel 11 at the welding point 10, and the steel bar Head 8 is a threaded steel with a length of 200-250mm and a diameter of 25mm, and the number of 8 steel bars is the same as that of the upper formwork frame. The I-beam 9 is 16# national standard I-beam, embedded The plate 12 is welded with the channel steel 11, the steel pipe 7 is connected with the steel head 8, the PVC plastic pipe 16 is connected with the U-shaped anchor ring 4, and the upper end of the U-shaped anchor ring 4 is provided with a thread 3.

Working principle: Before using the cantilevered steel beam formwork device, it is necessary to have a simple structural understanding of the entire cantilevered steel beam formwork device. This device pre-embeds the iron plate 12 during the construction of the next layer of the formwork layer, and pours it on this layer Before the concrete, the U-shaped anchor ring 4 is connected to the steel mesh 13 through the connecting steel bar 14 and the connecting steel wire 15, and it connects the angle steel 1 to the I-beam 9 through two nuts 2, and makes at least 3- There are 5 wire teeth 3, and channel steel 11 is used for diagonal brace reinforcement at the bottom, and channel steel 11 and embedded iron plate 12 are welded, and then the cantilevered I-beam 9 beam is used as a formwork platform to optimize the high formwork into Common formwork, this is the composition structure of the entire cantilevered steel beam formwork device.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (5)

1. a kind of cantilever steel girder erecting device, including angle steel（1）, concrete floor（5）, steel pipe（7）With PVC plastic expects pipe（16）, It is characterized in that：The angle steel（1）With I-steel（9）It is connected, and itself and nut（2）It is connected, the concrete floor（5） Inside it is embedded with bar-mat reinforcement（13）, connection reinforcing bar（14）With connection steel wire（15）, and itself and beam（6）It is connected, the beam（6）It is interior pre- It is embedded with U-shaped anchor ring（4）With pre-buried iron plate（12）, the I-steel（9）Upper end is welded with steel bar end（8）, and its lower end and channel-section steel （11）It is welded in solder joint（10）, the pre-buried iron plate（12）With channel-section steel（11）Mutually weld, the steel pipe（7）With steel bar end（8）It is interior Portion is connected, the PVC plastic expects pipe（16）With U-shaped anchor ring（4）Inside is connected, and U-shaped anchor ring（4）Upper end is provided with a tooth （3）.

2. a kind of cantilever steel girder erecting device according to claim 1, it is characterised in that：The U-shaped anchor ring（4）Take the shape of the letter U, And its upper end is connected with two nuts（2）.

3. a kind of cantilever steel girder erecting device according to claim 1, it is characterised in that：The steel bar end（8）For one kind A length of 200-250mm, a diameter of 25mm screw-thread steel, and steel bar end（8）Radical is identical with top support for shuttering vertical rod radical.

4. a kind of cantilever steel girder erecting device according to claim 1, it is characterised in that：The I-steel（9）For 16# states Mark I-steel.

5. a kind of cantilever steel girder erecting device according to claim 1, it is characterised in that：The U-shaped anchor ring（4）By even Connect reinforcing bar（14）With connection steel wire（15）With bar-mat reinforcement（13）It is connected, and it passes through angle steel（1）And nut（2）With I-steel （9）It is connected.