Concrete-filled steel tube combined support for cross intersection of roadway
By designing adjustable support components and convenient disassembly structures, the inconvenience of existing steel pipe concrete brackets when changing height and disassembly is solved, and the highly flexible adjustment and convenient disassembly are achieved, which improves the reusability of the device.
Patent Information
- Application Number
- CN202421726743.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Existing steel pipe concrete brackets usually need to be cut or welded when they need to change their height, and they are often welded or wire tightened during installation, which leads to inconvenient disassembly and difficult to use for secondary use.
A steel pipe concrete composite bracket for cross-bridges at the tunnel was designed, adopting adjustable support components and convenient disassembly structures, height adjustment is achieved through hydraulic rods and suction cups, and convenient installation and disassembly of fixed columns is achieved through springs and sliding connections.
It realizes highly flexible adjustment and convenient disassembly of steel pipe concrete brackets, improves the reusability and flexibility of the device, and meets different load-bearing and compressive resistance needs.
Smart Images
Figure CN222910030U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel pipe supports, in particular to a concrete-filled steel pipe composite support for roadway cross intersections. Background Technique
[0002] The concrete-filled steel pipe support is a modern component composed of filling concrete inside a steel pipe shell. With the restraint of the steel pipe shell, the concrete is in a triaxial compression state, so that the sandwich concrete has higher compressive strength and anti-deformation ability. The filled concrete and the steel pipe shell jointly bear the axial pressure, and it is applied to high-rise building construction, arch bridges, highway overpasses, subway stations, etc.
[0003] In the prior art, by rotating the adjusting threaded cylinder threadedly connected to the middle of the screw rod, the strip-shaped block inside the adjusting rod slides along the sliding groove on the outer arc surface of the screw rod, which is convenient for adjusting the position of the support rod, so as to find the best support position for different objects and make the support more stable. However, the height of the existing concrete-filled steel pipe supports is usually fixed. When the height needs to be changed, a section of extended pipe is usually cut or welded. At the same time, the concrete-filled steel pipe supports are usually installed by welding or tightening with iron wire, resulting in great inconvenience during disassembly and inconvenient secondary use. Content of the Utility Model
[0004] The purpose of the utility model is to solve the disadvantages in the prior art that when the height needs to be changed, a section of extended pipe is usually cut or welded, and at the same time, the concrete-filled steel pipe supports are usually installed by welding or tightening with iron wire, resulting in great inconvenience during disassembly, and to propose a concrete-filled steel pipe composite support for roadway cross intersections.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a concrete-filled steel pipe composite support for roadway cross intersections, including a concrete support and a disc. A fixed column is fixedly connected to the upper side of the disc. A second spring is fixedly connected to the lower side inside the fixed column. The top of the second spring is fixedly connected to a moving plate. A support rod is fixedly connected to the upper side of the moving plate. A groove is formed in the front side of the support rod. A third spring is fixedly connected to the inside of the groove. The front end of the third spring is fixedly connected to a clamping block. The clamping block is slidably connected inside a through hole. The through holes are evenly distributed on the front side of the fixed column. A fixed disc is fixedly connected to the top of the support rod. A support assembly is fixedly connected to the outside of the support rod. The support assembly is used for supporting the roadway.
[0006] As a further description of the above technical solution:
[0007] The support assembly includes a fixed sleeve fixedly connected to the outside of the support rod. Uniformly distributed sleeves are fixedly connected to the outside of the fixed sleeve. A hydraulic rod is fixedly connected to the inside of the sleeve, and a suction cup is fixedly connected to the output end of the hydraulic rod.
[0008] As a further description of the above technical solution:
[0009] A cylinder is fixedly connected to the lower side inside the concrete support. A plug is slidably connected to the inside of the cylinder. A disc is fixedly connected to the upper side of the plug. Jack holes are formed in the cylinder and the plug. A fixed frame is fixedly connected to the right side of the cylinder. A plug rod is slidably connected to the inside of the fixed frame. A disassembly and assembly component is fixedly connected to the right end of the plug rod, and the disassembly and assembly component is used for supporting and fixing the fixed column.
[0010] As a further description of the above technical solution:
[0011] The disassembly and assembly component includes a pulling block fixedly connected to the right end of the plug rod. A first spring is sleeved on the outside of the plug rod. A connecting plate is fixedly connected to the outside of the plug rod. Limit blocks are fixedly connected to both sides of the outside of the connecting plate. A plug rod is slidably connected to the inside of the jack hole, and a screw sleeve is threadedly connected to the outside of the plug rod.
[0012] As a further description of the above technical solution:
[0013] One end of the first spring is fixedly connected to the inside of the fixed frame, and the other end of the first spring is fixedly connected to the right side of the connecting plate.
[0014] As a further description of the above technical solution:
[0015] Limit grooves are formed on both sides of the fixed frame, and limit blocks are slidably connected to the inside of the limit grooves.
[0016] As a further description of the above technical solution:
[0017] Both the moving plate and the support rod are slidably connected to the inside of the fixed column.
[0018] As a further description of the above technical solution:
[0019] The plug is slidably connected to the inside of the concrete support.
[0020] The present utility model has the following beneficial effects:
[0021] 1. In the present utility model, by manually pressing the clamping block to disengage from the through hole, while the clamping block moves, the third spring is compressed. Then, manually pulling the support rod drives the moving plate to slide. While the moving plate moves, the second spring is stretched. Release the support rod, make the clamping block re-engage into the through hole, and then start the hydraulic rod to drive the suction cup to move, so that the suction cup adsorbs on the inner wall of the roadway, achieving the adjustment of the use height of the device as needed to meet the load-bearing and compressive requirements.
[0022] 2. In the present utility model, by manually rotating the screw sleeve to disengage from the insertion rod, then manually moving the pulling block to drive the insertion rod and the connecting plate to move. When the connecting plate moves, the first spring is compressed, so that the insertion rod disengages from the insertion hole. Then, manually moving the disc to drive the insertion block to disengage from the cylinder, achieving the convenient installation and disassembly of the fixed column and enabling the device to be reused. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a three-dimensional view of a concrete-filled steel tubular composite support for a roadway cross intersection proposed by the present utility model;
[0024] Figure 2 is a partial structural cross-sectional view of a concrete-filled steel tubular composite support for a roadway cross intersection proposed by the present utility model;
[0025] Figure 3 is a cross-sectional view of the fixed column of a concrete-filled steel tubular composite support for a roadway cross intersection proposed by the present utility model;
[0026] Figure 4 is Figure 1 the enlarged view of part A in
[0027] LEGEND DESCRIPTION:
[0028] 1. Concrete support; 2. Cylinder; 3. Insertion block; 4. Disc; 5. Insertion hole; 6. Fixed frame; 7. Insertion rod; 8. Pulling block; 9. First spring; 10. Connecting plate; 11. Limiting block; 12. Limiting groove; 13. Screw sleeve; 14. Fixed column; 15. Second spring; 16. Moving plate; 17. Support rod; 18. Groove; 19. Clamping block; 20. Through hole; 21. Fixed disc; 22. Fixed sleeve; 23. Sleeve; 24. Hydraulic rod; 25. Suction cup; 26. Third spring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0030] Referring to Figure 1 , Figure 3 , Figure 4 , an embodiment provided by the utility model: a concrete-filled steel tubular composite support for a roadway cross intersection, including a concrete support 1 and a disc 4. A fixed column 14 is fixedly connected to the upper side of the disc 4. A second spring 15 is fixedly connected to the lower side inside the fixed column 14. The top end of the second spring 15 is fixedly connected to a moving plate 16. A support rod 17 is fixedly connected to the upper side of the moving plate 16. A groove 18 is formed in the front side of the support rod 17. A third spring 26 is fixedly connected to the inside of the groove 18. The front end of the third spring 26 is fixedly connected to a clamping block 19. The clamping block 19 is slidably connected to the inside of a through hole 20. The through holes 20 are evenly distributed on the front side of the fixed column 14. The top end of the support rod 17 is fixedly connected to a fixed disc 21. A support assembly is fixedly connected to the outside of the support rod 17. The support assembly is used to support the roadway; the support assembly includes a fixed sleeve 22. The fixed sleeve 22 is fixedly connected to the outside of the support rod 17. Uniformly distributed sleeves 23 are fixedly connected to the outside of the fixed sleeve 22. A hydraulic rod 24 is fixedly connected to the inside of the sleeve 23. The output end of the hydraulic rod 24 is fixedly connected to a suction cup 25.
[0031] By manually pressing the clamping block 19 to disengage from the through hole 20, the third spring 26 is compressed while the clamping block 19 moves. Then, manually pull the support rod 17 to drive the moving plate 16 to slide. The second spring 15 is stretched while the moving plate 16 moves. Release the support rod 17 to make the clamping block 19 snap back into the inside of the through hole 20. Then, start the hydraulic rod 24 to drive the suction cup 25 to move, so that the suction cup 25 adsorbs on the inner wall of the roadway, which plays a role of adjusting the use height of the device as needed.
[0032] Referring to Figure 1 , Figure 2 , a cylinder 2 is fixedly connected to the lower side inside the concrete support 1. An insertion block 3 is slidably connected to the inside of the cylinder 2. A disc 4 is fixedly connected to the upper side of the insertion block 3. Insertion holes 5 are formed in the cylinder 2 and the insertion block 3. A fixed frame 6 is fixedly connected to the right side of the cylinder 2. A plug rod 7 is slidably connected to the inside of the fixed frame 6. A disassembly and assembly component is fixedly connected to the right end of the plug rod 7. The disassembly and assembly component is used to support and fix the fixed column 14; the disassembly and assembly component includes a pulling block 8. The pulling block 8 is fixedly connected to the right end of the plug rod 7. A first spring 9 is sleeved on the outside of the plug rod 7. A connecting plate 10 is fixedly connected to the outside of the plug rod 7. Limiting blocks 11 are fixedly connected to both sides of the outside of the connecting plate 10. The plug rod 7 is slidably connected to the inside of the insertion hole 5. A screw sleeve 13 is threadedly connected to the outside of the plug rod 7.
[0033] By manually rotating the screw sleeve 13 to disengage from the insertion rod 7, and then manually moving the pulling block 8 to drive the insertion rod 7 and the connecting plate 10 to move. The movement of the connecting plate 10 squeezes the first spring 9. At the same time, the movement of the connecting plate 10 drives the limiting block 11 to slide inside the limiting groove 12, so that the insertion rod 7 disengages from the insertion hole 5. Then manually move the disc 4 to drive the insertion block 3 to disengage from the cylinder 2, which plays a role in facilitating the installation and disassembly of the fixed column 14.
[0034] Refer to Figure 1 , Figure 2 , Figure 3 , one end of the first spring 9 is fixedly connected inside the fixed frame 6, and the other end of the first spring 9 is fixedly connected to the right side of the connecting plate 10; limiting grooves 12 are opened on both sides of the fixed frame 6, and a limiting block 11 is slidably connected inside the limiting groove 12; the moving plate 16 and the support rod 17 are both slidably connected inside the fixed column 14; the insertion block 3 is slidably connected inside the concrete support 1.
[0035] By fixedly connecting one end of the first spring 9 inside the fixed frame 6 and fixedly connecting the other end of the first spring 9 to the right side of the connecting plate 10, it plays a role in driving the connecting plate 10 to rebound; by opening limiting grooves 12 on both sides of the fixed frame 6 and slidably connecting a limiting block 11 inside the limiting groove 12, it plays a role in supporting and limiting the connecting plate 10; by slidably connecting the moving plate 16 and the support rod 17 inside the fixed column 14, it plays a role in adjusting the height of the device; by slidably connecting the insertion block 3 inside the concrete support 1, it plays a role in facilitating the disassembly of the fixed column 14.
[0036] Working principle: When using this device, by manually rotating the screw sleeve 13 to make the screw sleeve 13 disengage from the insertion rod 7, and then manually moving the pulling block 8. The movement of the pulling block 8 drives the insertion rod 7 to move. The movement of the insertion rod 7 drives the connecting plate 10 to move. The movement of the connecting plate 10 squeezes the first spring 9. At the same time, the movement of the connecting plate 10 drives the limiting block 11 to slide inside the limiting groove 12, so that the insertion rod 7 disengages from the insertion hole 5. Then manually move the disc 4. The movement of the disc 4 drives the insertion block 3 to disengage from the cylinder 2, realizing the convenience of installing and disassembling the fixed column 14, so that the device can be reused; by manually pressing the clamping block 19 to make the clamping block 19 disengage from the through hole 20, while the clamping block 19 moves, it squeezes the third spring 26. Then manually pull the support rod 17. The movement of the support rod 17 drives the moving plate 16 to slide inside the fixed column 14. While the moving plate 16 moves, it stretches the second spring 15. When it is moved to a suitable position, release the support rod 17 to make the clamping block 19 re-engage inside the through hole 20. Then start the hydraulic rod 24. The start of the hydraulic rod 24 drives the suction cup 25 to move, so that the suction cup 25 adsorbs on the inner wall of the roadway, realizing the adjustment of the use height of the device according to needs to meet the load-bearing and compressive requirements.
[0037] Finally, it should be noted that the above are only preferred embodiments of the present utility model and are not used 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 perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A steel tube concrete composite support for a tunnel cross intersection, comprising a concrete support (1) and a disc (4), characterized in that: The upper side of the disc (4) is fixedly connected to a fixed column (14), the lower side of the fixed column (14) is fixedly connected to a second spring (15), the top of the second spring (15) is fixedly connected to a movable plate (16), the upper side of the movable plate (16) is fixedly connected to a support rod (17), the front side of the support rod (17) is provided with a groove (18), the inside of the groove (18) is fixedly connected to a third spring (26), the front end of the third spring (26) is fixedly connected to a clamping block (19), the clamping block (19) is slidably connected to the inside of a through hole (20), the through holes (20) are evenly distributed on the front side of the fixed column (14), the top of the support rod (17) is fixedly connected to a fixed disk (21), the outside of the support rod (17) is fixedly connected to a support assembly, the support assembly is used to support the lane.
2. The steel tube concrete composite support for a tunnel cross intersection according to claim 1, characterized in that: The support assembly comprises a fixing sleeve (22), wherein the fixing sleeve (22) is fixedly connected to the outside of the support rod (17), the outside of the fixing sleeve (22) is fixedly connected to sleeves (23) distributed evenly, the inside of the sleeve (23) is fixedly connected to a hydraulic rod (24), and the output end of the hydraulic rod (24) is fixedly connected to a suction cup (25).
3. The steel tube concrete composite support for a tunnel cross intersection according to claim 1, characterized in that: A cylinder (2) is fixedly connected to the lower side of the concrete support (1), an insert block (3) is slidably connected to the inside of the cylinder (2), a disc (4) is fixedly connected to the upper side of the insert block (3), an insert hole (5) is provided inside the cylinder (2) and the insert block (3), a fixing frame (6) is fixedly connected to the right side of the cylinder (2), an insert rod (7) is slidably connected to the inside of the fixing frame (6), and a disassembly assembly is fixedly connected to the right end of the insert rod (7), and the disassembly assembly is used to support and fix the fixing column (14).
4. The steel tube concrete composite support for a tunnel cross intersection according to claim 3 is characterized in that: The disassembly and assembly component comprises a pulling block (8), wherein the pulling block (8) is fixedly connected to the right end of the insertion rod (7), the outside of the insertion rod (7) is sleeved with a first spring (9), the outside of the insertion rod (7) is fixedly connected to a connecting plate (10), both sides of the outside of the connecting plate (10) are fixedly connected to limiting blocks (11), the inside of the insertion hole (5) is slidably connected to the insertion rod (7), and the outside of the insertion rod (7) is threadedly connected to a screw sleeve (13).
5. The steel tube concrete composite support for a tunnel cross intersection according to claim 4, characterized in that: One end of the first spring (9) is fixedly connected to the inside of the fixing frame (6), and the other end of the first spring (9) is fixedly connected to the right side of the connecting plate (10).
6. The steel tube concrete composite support for a tunnel cross intersection according to claim 3, characterized in that: Limiting grooves (12) are provided on both sides of the fixing frame (6), and the interior of the limiting grooves (12) is slidably connected to the limiting blocks (11).
7. The steel tube concrete composite support for a tunnel cross intersection according to claim 1, characterized in that: The movable plate (16) and the support rod (17) are both slidably connected inside the fixed column (14).
8. The steel tube concrete composite support for a tunnel cross intersection according to claim 3, characterized in that: The insert block (3) is slidably connected inside the concrete support (1).