Supporting device for steel bar truss floor support plate

Abstract

This utility model discloses a support device for steel truss floor decking, including a base, a support leg fixedly connected to the bottom surface of the base, a sleeve vertically fixed to the top surface of the base, a lifting connecting screw inside the sleeve, a pad fixedly connected to the top surface of the screw, a sleeve I horizontally fixed to the side of the sleeve and communicating with the sleeve, a crank handle rotatably connected to the end of the sleeve I, the crank handle being drivenly connected to the screw, and a sleeve II vertically fixed to the top surface of the sleeve I and communicating with its interior, with a positioning component inside the sleeve II. This utility model utilizes bevel gears I and II and a screw to movably connect a pad inside the sleeve, facilitating the adjustment of the pad's height. This allows the support frame to be adapted to floor decking of different heights, improving the versatility of the support frame. The positioning component fixes the height of the pad, preventing it from suddenly lowering during support, which could cause the floor decking to fall, thus ensuring construction safety.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a supporting device for a steel bar truss floor slab Background Technique

[0002] The steel bar truss floor slab belongs to a kind of un-supported profiled composite floor slab. The steel bar truss is processed and shaped in the background processing plant. During the on-site construction, the profiled sheet needs to be fixed on the steel beam with stud bolts first, and then the steel bar truss is placed for binding, and concrete is poured after acceptance. Temporary supports need to be added at the mid-span during the construction of large-span steel bar truss floor slabs

[0003] Referring to CN213710354U, a kind of independent support frame for steel bar truss floor slab, which includes a supporting main beam, multiple vertically arranged lower立杆s, and telescopic rods matching with the lower立杆s. The bottom of the lower立杆 is supported on the ground. The lower立杆 is hollow inside and has external threads at the top to form a fine-tuning thread area. Two axially arranged sliding grooves are symmetrically arranged on the lower立杆 in the fine-tuning thread area. A fine-tuning knob is threadedly connected to the fine-tuning thread area. The telescopic rod is inserted into the lower立杆 from the top, and a first limit pin is installed on the telescopic rod. The first limit pin is slidably connected in the sliding groove and supported on the fine-tuning knob. A top support plate is installed at the top of the telescopic rod. The supporting main beam is supported by multiple top support plates; this device has the characteristics of convenient installation and disassembly, recyclable use, saving frame materials, improving construction efficiency, safety and stability, and obvious economic benefits. It can be applied to the construction of various steel bar truss floor slabs and has great market promotion

[0004] However, there are still the following problems. For the support of floor slabs with different heights, support frames with different heights need to be used for support. Generally, the support frame adopts a fixed structure and the height is not adjustable, so the overall applicability of the device is poor Content of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a supporting device for a steel bar truss floor slab

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a supporting device for a steel bar truss floor slab, which includes a base. The bottom surface of the base is fixedly connected with support legs. A vertical fixed sleeve is provided on the top surface of the base. A lifting connecting screw rod is arranged in the sleeve. The top surface of the screw rod is fixedly connected with a cushion block. A sleeve one communicated with the sleeve is horizontally fixed on the side surface of the sleeve. The end of the sleeve one is rotatably connected with a crank handle, and the crank handle is in transmission connection with the screw rod. A sleeve two vertically fixed on the top surface of the sleeve one and communicated with its inside is provided with a positioning member

[0007] As a further description of the above technical solution: a rotating shaft is rotatably connected inside the sleeve, the end of the rotating shaft extends into the sleeve, a bevel gear is concentrically fixed at the end of the rotating shaft, the upper end of the bevel gear meshes with a bevel gear, the bevel gear is rotatably connected to the top wall of the sleeve, the center of the bevel gear is perpendicularly connected through a threaded hole, the bevel gear is threaded onto the outer edge of the screw through the threaded hole, the rocker arm is fixedly connected to the rotating shaft, and the positioning member is movably connected to the rotating shaft.

[0008] As a further description of the above technical solution: the positioning component includes a rotating block abutting against the top surface of the second sleeve, a support rod vertically fixed at the center of the bottom surface of the rotating block, the support rod movably passing through the second sleeve, a receiving groove radially opened on the inner wall of the first sleeve, a threaded hole two vertically penetrating through the top wall of the receiving groove, the second sleeve communicating with the threaded hole two, the support rod movably passing through the threaded hole two, an external threaded block fixedly connected to the end of the support rod, a positioning block fixedly connected to the bottom surface of the external threaded block, a plurality of equidistant annularly distributed positioning grooves radially opened on the outer edge of the rotating shaft, the positioning grooves being adapted to the positioning blocks, and a spring sleeved on the outer edge of the support rod.

[0009] As a further description of the above technical solution: the inner wall of the sleeve has two mirror-symmetrical guide grooves axially formed, each guide groove has a guide block slidably connected in it, and the two guide blocks are fixed together by a limiting plate, which is fixedly connected to the end of the screw.

[0010] As a further description of the above technical solution: a rotating groove is formed on the top wall of the sleeve, and a rotating ring is rotatably connected in the rotating groove. The rotating ring is concentrically fixed to the top end face of the second bevel gear. The axial cross-section of the rotating groove and the rotating ring are both T-shaped.

[0011] As a further description of the above technical solution: the diameter of the second threaded hole is smaller than the diameter of the receiving groove, and the sum of the thickness of the external threaded block and the thickness of the positioning block is equal to the thickness of the receiving groove.

[0012] As a further description of the above technical solution: a rubber pad is fixedly connected to the bottom surface of the support leg, and a rubber sleeve is fixedly fitted to the outside of the handle of the crank.

[0013] This utility model has the following beneficial effects:

[0014] Compared with existing technologies, the support device for this steel truss floor deck uses a pad block that is movably connected within a sleeve by bevel gear one, bevel gear two, and a screw. This allows for easy adjustment of the pad block's height, making the support frame suitable for floor decks of different heights and improving its versatility. The positioning component fixes the height of the pad block, preventing it from suddenly lowering during support and causing the floor deck to fall, thus ensuring construction safety. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the internal structure of the sleeve of this utility model;

[0017] Figure 3 This utility model Figure 1 Enlarged view of the structure at point A in the middle;

[0018] Figure 4 This utility model Figure 2 Enlarged view of the structure at point B in the middle.

[0019] Legend:

[0020] 1. Base; 2. Support leg; 3. Sleeve; 4. Handle; 5. Sleeve 1; 6. Screw; 7. Pad; 8. Guide groove; 9. Guide block; 10. Limiting plate; 11. Rotating shaft; 12. Bevel gear 1; 13. Bevel gear 2; 14. Threaded hole 1; 15. Sleeve 2; 16. Rotating block; 17. Support rod; 18. Spring; 19. Threaded hole 2; 20. Storage groove; 21. Positioning groove; 22. Positioning block; 23. External threaded block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Reference Figures 1 to 4This utility model provides a support device for a steel truss floor deck: including a base 1, a support leg 2 fixedly connected to the bottom surface of the base 1, a sleeve 3 vertically fixed to the top surface of the base 1, a lifting connecting screw 6 inside the sleeve 3, two mirror-symmetrical guide grooves 8 axially opened on the inner wall of the sleeve 3, a guide block 9 slidably connected in each guide groove 8, a limiting plate 10 fixed between the two guide blocks 9, the limiting plate 10 fixedly connected to the end of the screw 6, a pad block 7 fixedly connected to the top surface of the screw 6, a sleeve 1 5 horizontally fixed to the side of the sleeve 3 and communicating with the sleeve 3, a crank handle 4 rotatably connected to the end of the sleeve 1 5, the crank handle 4 being drivenly connected to the screw 6, a sleeve 2 15 vertically fixed to the top surface of the sleeve 1 5 and communicating with its interior, a positioning component provided inside the sleeve 2 15, a rubber pad fixedly connected to the bottom surface of the support leg 2, and a rubber sleeve fixedly fitted to the outside of the handle of the crank handle 4.

[0023] A rotating shaft 11 is rotatably connected inside the sleeve 5. The end of the rotating shaft 11 extends into the sleeve 3. A bevel gear 12 is concentrically fixed at the end of the rotating shaft 11. The upper end of the bevel gear 12 meshes with a bevel gear 13. The bevel gear 13 is rotatably connected to the top wall of the sleeve 3. A rotating groove is opened on the top wall of the sleeve 3. A rotating ring is rotatably connected in the rotating groove. The rotating ring is concentrically fixed to the top end face of the bevel gear 13. The axial cross-section of the rotating groove and the rotating ring is T-shaped. The center of the bevel gear 13 is perpendicularly connected to the threaded hole 14. The bevel gear 13 is threaded onto the outer edge of the screw 6 through the threaded hole 14. The rocker handle 4 is fixedly connected to the rotating shaft 11. The positioning element is movably connected to the rotating shaft 11.

[0024] The positioning component includes a rotating block 16 abutting against the top surface of sleeve 15. A support rod 17 is vertically fixed at the center of the bottom surface of the rotating block 16. The support rod 17 is movably inserted into the sleeve 15. A receiving groove 20 is radially opened on the inner wall of sleeve 15. A threaded hole 19 is vertically inserted through the top wall of the receiving groove 20. Sleeve 15 is connected to the threaded hole 19. The support rod 17 is movably inserted into the threaded hole 19. An external threaded block 23 is fixedly connected to the end of the support rod 17. A positioning block 22 is fixedly connected to the bottom surface of the external threaded block 23. Multiple equidistant annularly distributed positioning grooves 21 are radially opened on the outer edge of the rotating shaft 11. The positioning grooves 21 are adapted to the positioning blocks 22. A spring 18 is sleeved on the outer edge of the support rod 17. The diameter of the threaded hole 19 is smaller than the diameter of the receiving groove 20. The sum of the thickness of the external threaded block 23 and the thickness of the positioning block 22 is equal to the thickness of the receiving groove 20.

[0025] By using bevel gear 12, bevel gear 2 13 and screw 6 to movably connect a pad 7 inside the sleeve 3, the height of the pad 7 can be easily adjusted, making the support frame suitable for floor decking of different heights and improving the versatility of the support frame. The positioning component is set to fix the height of the pad 7, preventing the pad 7 from suddenly lowering during the support process, which could cause the floor decking to fall, thus ensuring the safety of construction.

[0026] Working principle: In use, first pull up the rotating block 16. The rotating block 16, through the support rod 17, pulls the external threaded block 23 and the positioning block 22 out of the positioning groove 21 and into the storage groove 20. At the same time, the spring 18 is appropriately compressed, and the external threaded block 23 abuts against the lower end of the second threaded hole 19. Then, rotate the rotating block 16, which drives the external threaded block 23 to rotate, screwing the external threaded block 23 into the second threaded hole 19. At the same time, the spring 18 is further compressed, and the rotating shaft 11 and positioning block 22 are completely retracted into the storage groove 20. At this time, the locking of the crank handle 4 is released. Rotate the crank handle 4, and the crank handle 4 drives the first bevel gear 12 to rotate through the rotating shaft 11. The first bevel gear 12 drives the second bevel gear 13, which meshes with it, to rotate. When the bevel gear 13 rotates, it drives the screw 6 to rise and fall through the threaded hole 14. The screw 6 drives the pad 7 to rise and fall, adjusting the height of the pad 7. When the height of the pad 7 is adjusted to the required height, the rotating block 16 is rotated, causing the external threaded block 23 to move out of the threaded hole 19. The spring 18, which is in a compressed state, performs a small-amplitude reset. The positioning block 22 abuts against the outer edge of the rotating shaft 11. Then, the rocker 4 is rotated slightly, causing the rotating shaft 11 to rotate slightly, so that the positioning groove 21 on the rotating shaft 11 rotates to the bottom of the positioning block 22. Then, the spring 18 performs a final reset, so that the positioning block 22 is inserted into the positioning groove 21 on the outer edge of the rotating shaft 11, thereby locking the rocker 4.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A support device for a steel truss floor deck, comprising a base (1), wherein a support leg (2) is fixedly connected to the bottom surface of the base (1), characterized in that: The top surface of the base (1) is vertically fixed with a sleeve (3), a lifting connecting screw (6) is inside the sleeve (3), a pad (7) is fixedly connected to the top surface of the screw (6), a sleeve one (5) communicating with the sleeve (3) is horizontally fixed to the side of the sleeve (3), a rocker arm (4) is rotatably connected to the end of the sleeve one (5), the rocker arm (4) is connected to the screw (6) in a transmission, a sleeve two (15) communicating with the top surface of the sleeve one (5) is vertically fixed to the sleeve two (15), and a positioning element is provided inside the sleeve two (15); A rotating shaft (11) is rotatably connected inside the sleeve (5). The end of the rotating shaft (11) extends into the sleeve (3). A bevel gear (12) is concentrically fixed at the end of the rotating shaft (11). The upper end of the bevel gear (12) meshes with a bevel gear (13). The bevel gear (13) is rotatably connected to the top wall of the sleeve (3). The center of the bevel gear (13) vertically penetrates the threaded hole (14). The bevel gear (13) is threaded onto the outer edge of the screw (6) through the threaded hole (14). The rocker (4) is fixedly connected to the rotating shaft (11). The positioning member is movably connected to the rotating shaft (11). The positioning component includes a rotating block (16) abutting against the top surface of the second sleeve (15). A support rod (17) is vertically fixed at the center of the bottom surface of the rotating block (16). The support rod (17) is movably inserted into the second sleeve (15). A receiving groove (20) is radially opened on the inner wall of the first sleeve (5). A threaded hole (19) is vertically penetrated through the top wall of the receiving groove (20). The second sleeve (15) is connected to the threaded hole (19). The support rod (17) is movably inserted into the threaded hole (19). An external threaded block (23) is fixedly connected to the end of the support rod (17). A positioning block (22) is fixedly connected to the bottom surface of the external threaded block (23). Multiple equidistant annularly distributed positioning grooves (21) are radially opened on the outer edge of the rotating shaft (11). The positioning grooves (21) are adapted to the positioning blocks (22). A spring (18) is sleeved on the outer edge of the support rod (17).

2. The support device for a steel truss floor slab according to claim 1, characterized in that: The inner wall of the sleeve (3) has two mirror-symmetrical guide grooves (8) axially opened. Each guide groove (8) is slidably connected to a guide block (9). A limiting plate (10) is fixed between the two guide blocks (9). The limiting plate (10) is fixedly connected to the end of the screw (6).

3. The support device for a steel truss floor slab according to claim 1, characterized in that: A rotating groove is provided on the top wall of the sleeve (3), and a rotating ring is rotatably connected in the rotating groove. The rotating ring is concentrically fixed on the top end face of the bevel gear (13). The axial cross-section of the rotating groove and the rotating ring is T-shaped.

4. The support device for a steel truss floor slab according to claim 1, characterized in that: The diameter of the threaded hole 2 (19) is smaller than the diameter of the receiving groove (20), and the sum of the thickness of the external threaded block (23) and the thickness of the positioning block (22) is equal to the thickness of the receiving groove (20).

5. The support device for a steel truss floor slab according to claim 1, characterized in that: A rubber pad is fixedly connected to the bottom surface of the support leg (2), and a rubber sleeve is fixedly fitted to the outside of the handle (4).

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