CN204876339U - A a superimposed sheet supporting beam for steel construction building - Google Patents

Abstract

The utility model discloses a laminated slab support beam used for steel structure buildings, which belongs to the field of building structures. The composite slab support beam of the utility model includes a horizontal movable support plate arranged below the composite slab parallel to the secondary beam, and at least two movable support plates are arranged at a certain distance along the length direction of the movable support slab to drive the movable support slab. An adjustment structure for raising and lowering and adjusting the levelness of the movable support plate, the adjustment structure includes two screw rods symmetrically arranged on both sides of the steel structure support beam, with the steel structure support beam as the adjustment support, the top of the screw rod and the The bottom surface of the movable support plate is connected, and the tail of the screw rod is located within the hand-held range of the person. The steel structure support beam is bridged on the steel structure main beam and is an I-beam or a T-beam. The composite slab supporting beam of the utility model can be used repeatedly, does not affect the subsequent construction of the floor slab, is easy to industrialize, and can also meet the requirements of turning up the secondary beam of the steel structure residential building.

Description

A laminated slab support beam for steel structure buildings

technical field

The utility model belongs to the field of building structures and relates to a laminated plate support beam used in steel structure buildings.

Background technique

Since my country's steel output exceeded 100 million tons and the policy of rationally utilizing steel and actively adopting steel structures was implemented, building steel structures have developed rapidly. At present, on the occasion of the 10th anniversary of housing industrialization being proposed in China, "Research on Key Technologies of Green Buildings" has been listed as a key project of the "Tenth Five-Year Plan" international scientific and technological research plan and has passed the feasibility demonstration of experts. Today, when the voice of "green building" and "housing industrialization" is rising day by day, steel structure housing is the best carrier, and it will surely open up a new world in the housing field of our country.

At present, the technology of using laminated slabs in steel structure residential buildings is relatively mature. However, due to the limited load-bearing capacity of large-span prefabricated prestressed slabs, when the upper cast-in-place concrete layer is combined into a laminated slab, it is often necessary to install it under the prefabricated prestressed slab. The temporary column on the ground is used as support, and the unsupported span is generally not greater than 2.0m. On the one hand, the columns specially set up for temporary support need to increase the labor intensity of the workers, on the other hand, it also affects the subsequent construction of the floor slab, and after use, because the column heights and load-bearing requirements of different buildings are different, sometimes they are discarded after use. , will also cause unnecessary waste, so there is an urgent need for a laminated slab support beam for steel structure buildings that can be reused and does not affect subsequent construction.

Contents of the invention

According to the needs and deficiencies of the above fields, the utility model provides a laminated slab support beam for steel structure buildings. The composite slab supporting beam of the utility model can be used repeatedly, does not affect the subsequent construction of the floor slab, and is easy to be industrialized.

The technical scheme of the utility model is as follows:

A laminated slab support beam for steel structure buildings, characterized in that it includes a horizontal movable support plate parallel to the secondary beam and arranged under the laminated slab, and the movable support plate is arranged at a certain distance along the length direction of the movable support plate. , at least two adjustment structures that drive the rise and fall of the movable support plate and adjust the levelness of the movable support plate. Screw, the top of the screw is connected to the bottom surface of the movable support plate, the tail of the screw is within the hand-held range of the person, and the steel structure support beam spans the steel structure main beam, which is an I-beam or a T-beam .

The steel structure support beam is an adjustment support, which means that the horizontal beam on the upper part of the steel structure support beam is an adjustment support, that is, the through hole through which the two screws pass and the lower surface of the horizontal beam are symmetrically arranged on it. Restricted nuts that are sleeved on the two screw rods respectively, the internal threads of the nuts are adapted to the external threads of the screw rods.

The position corresponding to the top of the screw rod on the movable support plate is provided with a positioning component, and the positioning component is a screw slot sleeve arranged on the bottom surface of the movable support plate, and the screw slot sleeve has a positioning hole through which the screw rod passes. The size and position of the through hole through which the same screw rod passes through on the steel structure support beam is suitable for restricting the screw rod in the vertical direction.

The positioning part is a square groove structure combined with the bottom surface of the movable support plate, the positioning hole is at the bottom of the groove, the screw rod passes through the positioning hole, and its top end is fixed on the bottom surface of the movable support plate.

The bottom end of the screw rod is provided with a rotating part to drive the screw rod to rotate.

The rotating part is a rotating wrench.

Both sides of the movable support plate are symmetrically provided with vertical plates facing the lower part, and the width between the two vertical plates is greater than the width of the upper crossbeam of the steel structure support beam.

Both sides of the movable support plate are symmetrically provided with vertical plates facing the lower part, and the width between the two vertical plates is greater than the width of the upper crossbeam of the steel structure support beam.

The supporting beam of the steel structure adopts a secondary beam, and the two ends are fixed at the position above the middle of the main beam of the steel structure.

The supporting beam of the steel structure adopts a secondary beam, and the two ends are fixed at the position above the middle of the main beam of the steel structure.

The composite slab support beam used in the steel structure building of the utility model is arranged under the composite slab to replace the temporary support in the prior art, and the load-bearing two ends of the support beam are connected to the main beam of the steel structure. The steel structure support beam spans the steel structure main beam, which is an I-beam or a T-beam. The utility model uses the support beam as an adjustment support to support the bottom plate of the laminated slab during the construction stage, and the laminated slab is formed by cast-in-place Finally, the utility model can be removed and recycled, energy saving and environmental protection.

In order to meet the needs of raising the laminated plate, the utility model is provided with a horizontal movable support plate, two or more adjustment structures with spacing for adjusting the rise, fall and level of the movable support plate, and the adjustment structure includes a screw rod for adjustment and nuts, in this way, the adjustment structure is arranged at different positions of the movable support plate, the height and levelness of the movable support plate supported by the screw rod can be adjusted conveniently, and the tail of the screw rod of the screw rod is located in the range of people’s hand, which can be manually Operate the screw to make the movable support plate rise or fall.

The laminated slab supporting beam used in the steel structure building of the utility model can replace the supporting connection made by the upright column arranged on the floor, does not affect the follow-up construction of the floor slab, and is convenient to use and easy to popularize.

The number of adjusting screws in the utility model is determined by the length of the laminated plate and the stress situation, generally 2-4 pairs, that is, 2-4 adjusting structures are provided. and 3 pairs, wherein according to the length of the laminated plate and the stress situation 4 pairs of screw rods are also very commonly used, and can also meet the requirements of the utility model.

The laminated slab supporting beam used in the steel structure building of the utility model can not only meet the requirement of supporting the laminated slab, but also meet the requirement of the cast-in-place overturning beam in the laminated slab system.

The utility model is used for the laminated slab support beam of the steel structure building, which is especially suitable for the steel structure residential building.

Description of drawings

Fig. 1 is to use the utility model to be used for the working status elevation of the laminated slab support beam of steel structure building;

Fig. 2 is the elevation view of the unloading state of the support beam using the laminated slab of the present invention;

Fig. 3 is a schematic diagram of the working state of the laminated slab support beam used in the steel structure building of the present invention;

Fig. 4 is a schematic diagram of the unloading state of the laminated slab supporting beam used in the steel structure building of the present invention;

Fig. 5 is the sectional view of the working state of the laminated slab support beam used in the steel structure building of the present invention;

Fig. 6 is a cross-sectional view of the working state of the upper turning beam installed on the laminated slab supporting beam used in the steel structure building of the utility model;

Among them: 1-movable support plate; 2-screw rod; 3-nut; 4-positioning part; 5-rotating part; 6-screw external thread; 7-steel structure support beam;

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described. The following examples are provided in order to further understand the utility model better, and are not limited to the best implementation mode, and do not limit the content and protection scope of the utility model. Anyone under the inspiration of the utility model or Any product identical or similar to the utility model obtained by combining the utility model with other prior art features falls within the protection scope of the utility model.

Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art. Materials used in the utility model, if no special instructions, are commercially obtained.

See Figure 1-6. Fig. 1 and Fig. 2 are the elevation views of the working state and unloading state of the laminated slab support beam used for the steel structure building of the utility model respectively, as shown in Fig. 1, the nut 3 adapted to the screw rod 2 is arranged on the steel structure support The lower part of the horizontal upper beam of the beam 7, the two ends of the steel structure support beam 7 are fixed on the steel structure main beam 8, preferably fixed on the position of the middle and upper part of the main beam 8, because the steel structure support beam 7 is used up in the utility model Afterwards, it needs to be dismantled, so it can also be temporarily replaced by a temporarily unused secondary beam. One of the components of the utility model, the movable support plate 1, is horizontally arranged, and can be a horizontal plate or a horizontal plate with bending on both sides or vertical vertical plates on both sides. The cross-section is a plate with a groove shape, the bottom surface of the movable support plate 1 is connected to the top of the screw rod, and the movable support plate 1 is arranged between the secondary beams, parallel to the secondary beams, and arranged below the laminated plates. Along the length direction of the movable support plate 1, there are at least two adjustment structures that drive the rise and fall of the movable support plate and adjust the levelness of the movable support plate at a certain distance. On the side, the two screw rods 2 are adjusted and supported by a steel structure support beam. The tails of the screw rods 2 are located within the hand-holding range of the person, and the steel structure support beam 7 is an I-beam or a T-beam. The steel structure support beam 7 is an adjustment support, which means that the horizontal beam on the upper part of the steel structure support beam 7 is an adjustment support, that is, the through holes through which the two screw rods 2 pass are symmetrically arranged on it and the horizontal beams are connected by the horizontal beam. The nuts 3 that are respectively sleeved on the two screw rods 2 are limited by the lower surface. A positioning part 4 that prevents the lateral movement of the screw is provided at the top of the connecting screw. The positioning part 4 is a screw slot 4 arranged on the bottom surface of the movable support plate 1. The screw slot 4 has a positioning hole through which the screw passes. The size and position of the positioning hole and the through hole corresponding to the same screw on the steel structure support beam 7 are suitable for restricting the screw 2 in the vertical direction. When the utility model works, the screw rod 2 transfers the weight to the steel structure support beam 7 through the cooperation of the screw rod external thread 6 and the nut 3, and the steel structure support beam 7 transfers the weight to the steel structure main beam 8 again. The positioning part 4 is also preferably a square groove structure combined with the bottom surface of the movable support plate 7, the positioning hole is at the bottom of the groove, the screw rod 2 passes through the positioning hole, and its top end is fixed on the movable support plate 7. Bottom surface of plate 1. The bottom end of the screw 2 is provided with a rotating part 5 to drive the screw 2 to rotate. Operate the rotating part 5 to rotate the screw to adjust the lifting of the movable support plate 1 to meet the needs of actual work. The rotating part 5 is a rotating wrench or an electric rotating part or a polygonal cap that can be twisted by a wrench; The support plate 1 can move up and down by 50mm. As shown in the elevation view of the unloading state in Figure 2, when the drying and solidification of the cast-in-place slab is completed, the rotating part 5 is operated to rotate the screw 2 to minimize the movable support rod 1, and further rotate to remove the screw 2 for circulation use.

Figure 3 and Figure 4 are schematic diagrams of the working state and unloading state of the utility model respectively. As shown in Figure 3, the nut 3 of the present utility model is close to the lower surface of the horizontal beam of the steel structure support beam 7, and the screw rod 2 passes through the through hole of the horizontal beam and the screw groove sleeve 4 provided on the lower surface of the movable support plate 1. When working, rotate the screw rod 2 to move the movable support plate 1 up and down to meet the needs of actual work; when the work is completed, as shown in Figure 4, rotate the screw rod 2 to lower the movable support plate 1 to the minimum, and further can be removed Screw 2 for recycling.

As shown in Figure 5 and Figure 6, Figure 5 is a cross-sectional view of the working state of the laminated slab support beam of the present invention, and Figure 6 is a cross-sectional view of the working state of the utility model for installing the upper turning beam; Figure 5 and Figure 6 play a load-bearing role All of them are steel structure support beams 7, wherein a 10mm thick cement pressurized plate is placed under the upturned secondary beam in Fig. 6 and above the movable support plate 1 to replace the reinforcement protective layer of reinforced concrete. It is suitable for the steel structure building of the upturned secondary beam in Fig. 6.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present utility model without any creative work. Therefore, all technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited number of experiments on the basis of the prior art according to the concept of the utility model shall be defined in the claims of the utility model. within the scope of protection.

Claims (11)

1. A laminated slab support beam for steel structure buildings, characterized in that it comprises a horizontal movable support plate parallel to the secondary beam and arranged below the laminated slab, a certain distance apart along the length direction of the movable support plate There are at least two adjustment structures that drive the movable support plate to rise and fall and adjust the levelness of the movable support plate. Two screw rods, the top of the screw rods are connected to the bottom surface of the movable support plate, the tail of the screw rods is located within the range of human hands, and the steel structure support beam is bridged on the steel structure main beam, which is an I-beam or a T-shaped beam. word beam. 2. The laminated slab support beam for steel structure building according to claim 1, characterized in that, said steel structure support beam is an adjustment support and means that the horizontal crossbeam on the top of said steel structure support beam is an adjustment support, i.e. It is symmetrically provided with through holes through which the two screw rods pass and nuts which are limited by the lower surface of the horizontal beam and respectively sleeved on the two screw rods. Compatible with external thread. 3. The laminated slab support beam for steel structure buildings according to claim 2, characterized in that a positioning component is provided on the movable support plate at a position corresponding to the top of the screw rod, and the positioning component is arranged on the movable support plate The screw groove sleeve on the bottom surface, the screw groove sleeve has a positioning hole through which the screw rod passes, and the size and position of the through hole through which the same screw rod passes through the positioning hole and the steel structure support beam are suitable for limiting the screw rod to vertically. 4. The laminated slab support beam for steel structure building according to claim 3, characterized in that, the positioning part is a square groove structure combined with the bottom surface of the movable support plate, and the positioning hole is in the groove At the bottom, the screw rod passes through the positioning hole, and its top end is fixed on the bottom surface of the movable support plate. 5. The laminated slab supporting beam for steel structure buildings according to any one of claims 1-4, characterized in that a rotating part is provided at the bottom end of the screw to drive the screw to rotate. 6. The laminated slab support beam for steel structure buildings according to claim 5, wherein the rotating part is a rotating wrench. 7. The laminated slab support beam for steel structure buildings according to any one of claims 1-4, characterized in that, the two sides of the movable support slab are symmetrically provided with vertical slabs facing the lower part, and the two sides The width between the vertical plates is greater than the width of the upper beam of the steel structure support beam. 8. The laminated slab support beam for steel structure building according to claim 5, characterized in that, the two sides of the movable support slab are symmetrically provided with vertical slabs facing the lower part, and the vertical slabs between the two vertical slabs The width of the space is greater than the width of the upper beam of the steel structure support beam. 9. The laminated slab support beam for steel structure building according to claim 6, characterized in that, the two sides of the movable support slab are symmetrically provided with vertical slabs towards the lower part, and the vertical slabs facing the lower part are arranged between the two vertical slabs. The width of the space is greater than the width of the upper beam of the steel structure support beam. 10. The laminated slab support beam for steel structure buildings according to claim 7, characterized in that the steel structure support beam is a secondary beam, and both ends are fixed at the upper middle of the steel structure main beam. 11. The laminated slab support beam for steel structure buildings according to claim 8 or 9, characterized in that the steel structure support beam is a secondary beam, and both ends are fixed at the upper middle of the steel structure main beam.