Super-span steel bar truss floor support plate counter-pull supporting device
By combining the bottom support components of the steel beams with the movable adjustment components, the problem of insufficient adjustment capacity and stability of the super-span steel truss floor deck was solved, realizing stable support and precise height adjustment of the floor deck, meeting the needs of large-span construction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-14
AI Technical Summary
Existing anti-tension support devices lack sufficient adjustment capacity and stability in ultra-span steel truss floor slabs, making it difficult to control construction precision and failing to meet the support requirements of large-span floor slabs.
The system employs a steel beam bottom support assembly and a movable adjustment component. Through a combination of sliders, connecting rods, and locking components, it achieves synchronous deflection of the connecting rods and lifting and lowering of the balance component, ensuring the balance and stability of the counter-tension force. Combined with the motor drive and the locking function of the locking component, it enables precise height adjustment.
It achieves stable support for ultra-long span floor decking, avoids tilting, ensures support stability and height adjustment accuracy during construction, and meets the construction requirements of large span floor decking.
Smart Images

Figure CN224119936U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of super-span floor decking, specifically a counter-tension support device for super-span steel truss floor decking. Background Technology
[0002] Ultra-long span reinforced concrete truss floor decking is a new type of building construction material. Its main feature is that it can meet the needs of large-span, super high-rise buildings, while optimizing construction technology and improving construction efficiency and safety. This type of floor decking combines the integrity, rigidity, and fire resistance of traditional cast-in-place concrete floor slabs with the lightweight and rapid construction advantages of profiled steel sheet composite floor slabs, and is widely used in high-rise buildings, industrial plants, and other complex structures.
[0003] When the span of a steel truss floor slab exceeds a certain range, its structural load-bearing capacity may be insufficient to support construction loads and its own weight. With a large span, the central area of the floor slab may experience significant deflection due to uneven stress, leading to floor deformation or even instability. In such cases, anti-tension bracing devices must be used to provide additional stability to ensure construction safety and quality.
[0004] Existing anti-tension support devices use the superstructure (such as steel beams) to apply reverse tension to the floor deck through a suspension device. The support height of the floor deck is usually adjusted by using hydraulic rods or motor-controlled bidirectional screw rotation. However, when providing anti-tension support for floor decks with large spans, the adjustment capacity and stability may be insufficient, making it difficult to control the precision. Utility Model Content
[0005] The purpose of this utility model is to provide a reverse tension support device for ultra-span steel truss floor slabs to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A super-span steel truss floor deck anti-tension support device includes a steel beam, and a plurality of support components for supporting the floor deck are provided at the bottom of the steel beam. The support components include symmetrically arranged connecting rods, and a balance member for lifting the floor deck is provided between two of the connecting rods.
[0008] It also includes movable adjustment components symmetrically arranged on the steel beam, the movable adjustment components being able to control the movement of a slider slidably arranged on the steel beam, one end of the connecting rod being hinged to the slider;
[0009] The locking components are symmetrically arranged on the steel beam and can limit the movement of the slider.
[0010] The above-mentioned super-span steel truss floor deck anti-tension support device: the steel beam is symmetrically provided with slide rails that are slidably connected to the slider.
[0011] The super-span steel truss floor deck anti-tension support device as described above: the movable adjustment component includes two conveyor wheels rotatably mounted on the steel beam, the two conveyor wheels are connected by a conveyor belt, the conveyor belt is provided with a protruding column, and the rotation of one of the conveyor wheels is controlled by a drive assembly provided on the steel beam;
[0012] A movable plate is fixedly mounted on the slider, and a limiting groove is formed on the movable plate for inserting and slidingly connecting the protrusion.
[0013] The super-span steel truss floor deck anti-tension support device described above: the drive assembly includes a drive shaft rotatably mounted on the steel beam, the drive shaft is connected to two symmetrically arranged conveyor wheels through a gear set and a belt, and the rotation of the drive shaft is rotatably connected by a motor fixedly mounted on the steel beam.
[0014] The super-span steel truss floor deck anti-tension support device described above: the locking component includes a locking plate slidably disposed on the steel beam, the locking plate having slots distributed along a linear hierarchy, and the slider having a locking block fixedly installed that can engage with the slots.
[0015] The super-span steel truss floor deck anti-tension support device as described above: the balancing component includes rollers, which are rotatably mounted on the end of the connecting rod away from the slider, and a connecting component is installed between the two rollers.
[0016] The super-span steel truss floor deck anti-tension support device described above: the connector includes a first connecting plate and a second connecting plate. One end of the first connecting plate is connected to one of the rollers, and the other end forms an insertion groove. One end of the second connecting plate is provided with an insertion plate that can be inserted into the insertion groove, and the other end is connected to the other roller.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] By controlling the operation of the movable adjustment component, the steel beams of the two sliders move in opposite directions simultaneously, causing the connecting rods to deflect while adjusting their positions. The two connecting rods deflect synchronously and pull the position of the balance component to rise and fall. During this process, it is ensured that the counter-tension force of the balance component on the floor deck remains balanced and stable, preventing the floor deck from tilting during support. Furthermore, under the action of the locking component, when the movable adjustment component stops driving, the position of the slider can be further locked to overcome the pressure generated by the floor deck. This satisfies the counter-tension support of the floor deck for super-span floor decks, while also allowing for precise adjustment of the floor deck height and maintaining support stability during operation. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of a reverse tension support device for an ultra-span steel truss floor slab.
[0020] Figure 2 This is a schematic diagram of the steel beams and drive components in a super-span steel truss floor deck anti-tension support device.
[0021] Figure 3 This is a schematic diagram of the movable adjustment component in the anti-tension support device for ultra-span steel truss floor slabs.
[0022] Figure 4 This is a schematic diagram of the slider and locking element in the anti-tension support device for ultra-span steel truss floor slabs.
[0023] Figure 5 This is a schematic diagram of the steel beams and connecting rods in a super-span steel truss floor deck anti-tension support device.
[0024] Figure 6 This is a schematic diagram of the connecting rods and balancing components in a reverse tension support device for an ultra-span steel truss floor slab.
[0025] In the diagram: 1. Steel beam; 101. Slide rail; 2. Slider; 3. Moving plate; 301. Limiting groove; 4. Locking block; 5. Locking plate; 501. Slot; 6. Conveyor wheel; 7. Conveyor belt; 701. Protruding column; 8. Gear set; 9. Motor; 10. Drive shaft; 11. Belt; 12. Connecting rod; 13. Supporting rod; 14. Roller; 15. First connecting plate; 16. Second connecting plate. Detailed Implementation
[0026] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.
[0027] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.
[0028] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented even without certain specific details. In some instances, methods, means, and elements well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.
[0029] Please see Figures 1-6In this embodiment of the utility model, a super-span steel truss floor deck anti-tension support device includes a steel beam 1. The bottom of the steel beam 1 is provided with a plurality of support components for supporting the floor deck. The support components include symmetrically arranged connecting rods 12, and a balance member for lifting the floor deck is provided between two connecting rods 12.
[0030] It also includes movable adjustment components symmetrically arranged on the steel beam 1, the movable adjustment components being able to control the movement of the slider 2 slidably arranged on the steel beam 1, one end of the connecting rod 12 being hinged to the slider 2;
[0031] The locking components are symmetrically arranged on the steel beam 1 and can limit the movement of the slider 2.
[0032] In this embodiment, when the balancer lifts the floor deck, adjusting its lifting height involves controlling the movement of the adjusting component, causing the steel beams 1 of the two sliders 2 to move in opposite directions simultaneously. This causes the connecting rods 12 to deflect while their positions are adjusted. The two connecting rods 12 deflect synchronously and pull the balancer's position up and down. During this process, the counter-pull force of the balancer on the floor deck remains balanced and stable, preventing the floor deck from tilting during support. Furthermore, under the action of the locking component, when the moving adjusting component stops driving, the position of the sliders 2 can be further locked to overcome the pressure generated by the floor deck. This satisfies the counter-pull force support of the floor deck for super-span structures while allowing for precise adjustment of the floor deck height and maintaining support stability during operation.
[0033] Preferably, the steel beam 1 is symmetrically provided with slide rails 101 that are slidably connected to the slider 2.
[0034] As a further embodiment of this utility model, the movable adjustment component includes two conveyor wheels 6 rotatably mounted on the steel beam 1. The two conveyor wheels 6 are connected by a conveyor belt 7. The conveyor belt 7 is provided with a protruding post 701, and the rotation of one of the conveyor wheels 6 is controlled by a drive assembly provided on the steel beam 1.
[0035] The movable plate 3 is fixedly installed on the slider 2, and the movable plate 3 has a limiting groove 301 for inserting and slidingly connecting the protrusion 701.
[0036] Specifically, when adjusting the height of the counter-support of the floor deck, one of the conveyor wheels 6 is driven to rotate. When one of the conveyor wheels 6 rotates, it drives the conveyor belt 7 to rotate in cooperation with the other conveyor wheel 6. At this time, the protrusion 701 on it squeezes the moving plate 3. Under the action of the slider 2, the moving plate 3 moves linearly along the direction of the slide rail 101. When the slider 2 moves, it drives one end of the connecting rod 12 to move and deflect at the same time, thereby generating a counter-pull force on the balance component. This achieves large-span position adjustment while ensuring the stability of the floor deck support.
[0037] As a further embodiment of this utility model, the drive assembly includes a drive shaft 10 rotatably mounted on the steel beam 1. The drive shaft 10 is connected to two symmetrically arranged conveyor wheels 6 via a gear set 8 and a belt 11, and the rotation of the drive shaft 10 is rotatably connected by a motor 9 fixedly mounted on the steel beam 1.
[0038] The locking component includes a locking plate 5 that is slidably disposed on the steel beam 1. The locking plate 5 has slots 501 distributed along a linear hierarchy. The slider 2 has a locking block 4 that can engage with the slots 501.
[0039] When the motor 9 is started, its output shaft is fixed to the drive shaft 10, so that when the motor 9 is working, the rotation of the output shaft can drive the drive shaft 10 to rotate synchronously. When the drive shaft 10 rotates, it drives one of the conveyor wheels 6 to rotate through the gear set 8. Under the transmission of the belt 11, the other conveyor wheel 6 rotates synchronously, and the two symmetrically arranged conveyor wheels 6 rotate in opposite directions, so that the sliders 2 can move synchronously while the two sliders 2 always move in opposite directions, realizing the synchronous deflection of the connecting rod 12 and ensuring that the balancing component can always maintain a balanced support state.
[0040] Preferably, the steel beam 1 is symmetrically provided with support rods 13. One end of the support rod 13 is hinged to the steel beam 1, and the other end is hinged to the connecting rod 12. According to the stability of the triangle, the connecting rod 12 can always maintain the support stability when it deflects.
[0041] It should be noted that a brake is installed inside the motor 9 to lock the motor shaft when the motor 9 stops running, preventing the rotor from continuing to rotate due to load inertia or external force. The specific brake adopts existing technology, which will not be explained further in this utility model. In order to prevent the counter-pull force of the slider 2 on the floor deck from becoming unstable due to brake failure, when the slider 2 stops moving, the locking plate 5 is manually controlled to move towards the slider 2 so that the locking block 4 can be inserted into the slot 501 to further lock the position of the slider 2.
[0042] As a further embodiment of this invention, the balancing component includes a roller 14, which is rotatably mounted on the end of the connecting rod 12 away from the slider 2, and a connecting member is installed between the two rollers 14.
[0043] The connector includes a first connecting plate 15 and a second connecting plate 16. One end of the first connecting plate 15 is connected to one of the rollers 14, and the other end is formed with a insertion groove. One end of the second connecting plate 16 is provided with an insert plate that can be inserted into the insertion groove, and the other end is connected to the other roller 14.
[0044] When the connecting rod 12 deflects, the roller 14 prevents the first connecting plate 15 and the second connecting plate 16 from deflecting. The deflection of the connecting rod 12 can control the height of the first connecting plate 15 and the second connecting plate 16. The first connecting plate 15 and the second connecting plate 16 are always in a balanced support state, ensuring that the floor deck can withstand the counter-tension and remain stable during construction.
[0045] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0046] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A reverse tension support device for a super-span steel truss floor slab, comprising a steel beam (1), wherein the bottom of the steel beam (1) is provided with a plurality of support components for supporting the floor slab, characterized in that, The support assembly includes symmetrically arranged connecting rods (12), and a balance member for supporting the floor deck is provided between the two connecting rods (12); It also includes movable adjustment components symmetrically arranged on the steel beam (1), which can control the movement of the slider (2) slidably arranged on the steel beam (1), and one end of the connecting rod (12) is hinged to the slider (2); The locking element is symmetrically arranged on the steel beam (1) and can limit the movement of the slider (2).
2. The anti-tension support device for ultra-span steel truss floor slabs according to claim 1, characterized in that, The steel beam (1) is symmetrically provided with slide rails (101) that are slidably connected to the slider (2).
3. The anti-tension support device for ultra-span steel truss floor slabs according to claim 1, characterized in that, The movable adjustment component includes two conveyor wheels (6) rotatably mounted on the steel beam (1), the two conveyor wheels (6) are connected by a conveyor belt (7), the conveyor belt (7) is provided with a protruding post (701), and the rotation of one of the conveyor wheels (6) is controlled by a drive assembly provided on the steel beam (1); A movable plate (3) is fixedly installed on the slider (2), and a limiting groove (301) is formed on the movable plate (3) for inserting and slidingly connecting the protrusion (701).
4. The anti-tension support device for ultra-span steel truss floor slabs according to claim 3, characterized in that, The drive assembly includes a drive shaft (10) rotatably mounted on the steel beam (1). The drive shaft (10) is connected to two symmetrically arranged conveyor wheels (6) via a gear set (8) and a belt (11). The rotation of the drive shaft (10) is rotatably connected by a motor (9) fixedly mounted on the steel beam (1).
5. The anti-tension support device for ultra-span steel truss floor slabs according to claim 3, characterized in that, The locking component includes a locking plate (5) slidably disposed on the steel beam (1), and the locking plate (5) has slots (501) distributed along a linear hierarchy. The slider (2) is fixedly mounted with a block (4) that can engage with the slots (501).
6. The anti-tension support device for ultra-span steel truss floor slabs according to claim 1, characterized in that, The balancing component includes rollers (14), which are rotatably mounted on the end of the connecting rod (12) away from the slider (2), and a connecting member is installed between the two rollers (14).
7. The anti-tension support device for ultra-span steel truss floor slabs according to claim 6, characterized in that, The connector includes a first connecting plate (15) and a second connecting plate (16). One end of the first connecting plate (15) is connected to one of the rollers (14), and the other end is formed with a plug groove. One end of the second connecting plate (16) is provided with a plug plate that can be inserted into the plug groove, and the other end is connected to the other roller (14).