Constant-force support hanger for supporting pipeline

Abstract

The utility model discloses a constant force support hanger for supporting a pipeline, which is applied to the technical field of constant force support hangers and comprises a shell, a hanger rod is slidably connected to the bottom of the shell in a penetrating manner, an arc-shaped sliding plate is bolted to the top of the hanger rod, and a first spring bolted with the arc-shaped sliding plate and the shell is sleeved on the surface of the hanger rod. And the bottom of the lifting rod is bolted with a pipeline seat. After the torque supported by the pipeline is kept balanced, the threaded rod is rotated to drive the first sliding plate and the second sliding plate to slide close to the first gear and be meshed with the first gear through the teeth. And therefore, the arc-shaped sliding plate is locked and fixed and cannot move up and down, and the stability of pipeline supporting and hoisting is guaranteed. The two trapezoid blocks and the abutting plate are driven to abut against the surface of the pipeline in a sliding mode according to the diameter of the pipeline. And therefore, various pipelines with different diameters can be conveniently supported and hoisted, and the practicability of the constant-force support hanger is improved.

Description

A constant force support for supporting pipelines Technical Field

[0001] This utility model belongs to the field of constant force support and hanger technology, and specifically relates to a constant force support and hanger for supporting pipelines. Background Technology

[0002] Constant force supports can maintain a balance between load torque and spring torque under permissible load displacement, providing constant support force and thus avoiding additional stress on pipes and equipment.

[0003] Currently, Chinese utility model patent CN209705432U discloses a constant force support for pipelines. Existing constant force supports allow the support rod to slide up and down against the elastic force of the pipeline under load during pipeline support and hoisting. However, during this sliding process, the support rod cannot be fixed in place, resulting in slight vertical displacement of the pipeline even after torque balance, thus providing poor stability for pipeline support. Furthermore, since different pipelines have different diameters, and existing constant force supports cannot be adjusted according to the pipe diameter, they are not suitable for supporting and hoisting various types of pipelines, thus having low practicality. Summary of the Invention

[0004] The purpose of this utility model is to provide a constant force support for supporting pipelines, which has the advantages of ensuring the stability of pipeline support and hoisting and facilitating the support and hoisting of pipelines of various diameters.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a constant force support for supporting a pipeline, comprising a housing, a rod slidably connected through the bottom of the housing, an arc-shaped sliding plate bolted to the top of the rod, a first spring bolted to the arc-shaped sliding plate and the housing on the surface of the rod, and a pipeline seat bolted to the bottom of the rod.

[0006] Using the above technical solution, after the torque of the pipe support is kept balanced, rotating the threaded rod drives the first and second sliding plates to slide close to the first gear and engage with it using their teeth. This locks the arc-shaped sliding plate in place, preventing it from moving up and down and ensuring the stability of the pipe support. By driving the two trapezoidal blocks and the abutment plate to slide and abut against the pipe surface according to the pipe diameter, it is possible to support and lift pipes of various diameters, improving the practicality of the constant force support.

[0007] The present invention is further configured such that: a first gear is bolted to one end of the arc-shaped sliding plate; a first sliding plate and a second sliding plate are provided on both sides of the first gear and are slidably connected to the housing; teeth that mesh with the first gear are provided on the side of the first sliding plate and the second sliding plate that are close to each other; a threaded rod that is threadedly connected to the housing is rotatably connected to the end of the second sliding plate away from the first sliding plate; a straight rack is bolted to the bottom of the first sliding plate and the second sliding plate; and a second gear that is rotatably connected to the housing meshes between the two straight racks.

[0008] By adopting the above technical solution, the first sliding plate and the second sliding plate are driven to slide close to the first gear by rotating the threaded rod and the teeth mesh with the first gear to lock and fix the arc-shaped sliding plate so that it cannot move up and down, thereby ensuring the stability of the pipeline support.

[0009] The present invention is further configured such that: a fixing clamp is bolted to the bottom of the pipe seat, a threaded shaft is threaded through the inside of the fixing clamp, a stop plate is bolted to the top of the threaded shaft, a bidirectional screw is rotatably connected inside the pipe seat, threaded sleeves are threaded on both sides of the surface of the bidirectional screw, and trapezoidal blocks that are slidably connected to the bidirectional screw are symmetrically welded to the bottom of the two threaded sleeves.

[0010] By adopting the above technical solution, two trapezoidal blocks and abutment plates are slidably fixed to the pipe surface according to the pipe diameter, which facilitates the support and hoisting of pipes of various diameters.

[0011] The present invention is further configured such that: a second spring is bolted to both sides inside the housing, and a trapezoidal sliding plate is bolted to one end of each of the two second springs that are close to each other.

[0012] By adopting the above technical solution, when the arc-shaped slide plate is driven to slide downward by the suspension rod overcoming the elastic force of the first spring, the arc-shaped slide plate can squeeze the trapezoidal slide plates on both sides to overcome the elastic force of the second spring, thereby enabling the trapezoidal slide plates to support the two sides of the arc-shaped slide plate, keeping the torque of the first spring in balance, and providing a constant supporting force for the suspension rod.

[0013] The present invention is further configured such that: a limiting ring is bolted to the bottom of the housing and slidably connected to the lifting rod.

[0014] By adopting the above technical solution, the vertical sliding of the hanger rod at the bottom of the housing is limited, thereby improving the stability of the pipe seat.

[0015] The present invention is further configured such that: a positioning rod that is slidably connected to the housing is welded to the side of the first sliding plate and the second sliding plate that are far apart from each other.

[0016] By adopting the above technical solution, the sliding of the first sliding plate and the second sliding plate inside the housing is limited, thereby improving sliding stability.

[0017] The present invention is further configured such that anti-slip pads are adhered to the sides of the pipe seat and the fixing clamp that are close to each other.

[0018] By adopting the above technical solution, the surface friction is increased, thereby improving the stability of the pipe placed between the pipe seat and the fixing clamp.

[0019] The present invention is further configured such that: the end of the threaded rod away from the housing, as well as the ends of the bidirectional screw and the threaded shaft away from the pipe seat and the fixing clamp, are each bolted with a rotating bolt.

[0020] By adopting the above technical solution, the rotating bolt drives the threaded rod, the double-acting screw, and the threaded shaft to rotate respectively, thereby facilitating the adjustment and control of the constant force support.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1. After the torque of the pipe support is balanced, rotating the threaded rod drives the first and second sliding plates to slide close to the first gear and engage with it using their teeth. This locks the arc-shaped sliding plate in place, preventing it from moving up and down and ensuring the stability of the pipe support.

[0023] 2. By sliding and securing two trapezoidal blocks and abutment plates against the pipe surface according to the pipe diameter, it facilitates the support and hoisting of pipes of various diameters, improving the practicality of the constant force support. Attached Figure Description

[0024] Figure 1 is a schematic diagram of the structure of this utility model;

[0025] Figure 2 is a cross-sectional view of the structure of this utility model;

[0026] Figure 3 is a cross-sectional view of the shell structure of this utility model;

[0027] Figure 4 is a cross-sectional view of the pipe seat structure of this utility model.

[0028] Reference numerals: 1. Housing; 2. Hanging rod; 3. First spring; 4. Pipe seat; 5. Arc-shaped sliding plate; 6. First gear; 7. First sliding plate; 8. Second sliding plate; 9. Threaded rod; 10. Linear rack; 11. Second gear; 12. Tooth; 13. Fixing clamp; 14. Double-acting screw; 15. Threaded sleeve; 16. Trapezoidal block; 17. Threaded shaft; 18. Limiting ring; 19. Trapezoidal sliding plate; 20. Second spring; 21. Positioning rod; 22. Anti-slip pad; 23. Rotating bolt; 24. Support plate. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] Referring to Figures 1, 2, and 3, a constant force support for pipelines includes a housing 1. A suspension rod 2 is slidably connected to the bottom of the housing 1. An arc-shaped sliding plate 5 is bolted to the top of the suspension rod 2. A first spring 3, bolted to the arc-shaped sliding plate 5 and the housing 1, is fitted onto the surface of the suspension rod 2. A pipe seat 4 is bolted to the bottom of the suspension rod 2. After the torque supporting the pipeline is balanced, rotating the threaded rod 9 causes the first sliding plate 7 and the second sliding plate 8 to slide close to the first gear 6 and engage with the first gear 6 using the teeth 12. This locks and fixes the arc-shaped sliding plate 5, preventing it from moving up and down and ensuring the stability of the pipeline support.

[0032] Referring to Figures 2 and 3, a first gear 6 is bolted to one end of the arc-shaped sliding plate 5. A first sliding plate 7 and a second sliding plate 8, slidably connected to the housing 1, are provided on both sides of the first gear 6. Teeth 12, meshing with the first gear 6, are provided on the sides of the first sliding plate 7 and the second sliding plate 8 closest to each other. A threaded rod 9, threaded through the housing 1, is rotatably connected to the end of the second sliding plate 8 away from the first sliding plate 7. A linear rack 10 is bolted to the bottom of both the first sliding plate 7 and the second sliding plate 8. A second gear 11, rotatably connected to the housing 1, meshes between the two linear racks 10. By rotating the threaded rod 9, the first sliding plate 7 and the second sliding plate 8 slide closer to the first gear 6 and engage with it using the teeth 12, locking and fixing the arc-shaped sliding plate 5 so that it cannot move up or down, thus ensuring the stability of the pipe support.

[0033] Referring to Figure 2, two second springs 20 are bolted to both sides inside the housing 1. Trapezoidal slide plates 19, which are slidably connected to the curved slide plate 5, are bolted to the ends of the two second springs 20 that are close to each other. When the lifting rod 2 overcomes the elastic force of the first spring 3 and drives the curved slide plate 5 downwards, the curved slide plate 5 can compress the trapezoidal slide plates 19 on both sides to overcome the elastic force of the second springs 20. This allows the trapezoidal slide plates 19 to support both sides of the curved slide plate 5, maintaining the torque of the first spring 3 in balance and providing a constant supporting force for the lifting rod 2.

[0034] Referring to Figures 2 and 3, a limiting ring 18 is bolted to the bottom of the housing 1 and slides through the hanger 2. This limits the vertical sliding of the hanger 2 at the bottom of the housing 1, improving the stability of the pipe seat 4.

[0035] Referring to Figure 3, positioning rods 21, which are slidably connected to the housing 1, are welded to the opposite sides of the first sliding plate 7 and the second sliding plate 8. These rods limit the sliding movement of the first sliding plate 7 and the second sliding plate 8 within the housing 1, improving sliding stability.

[0036] Brief description of the usage process: The pipe is fixed to the bottom of the pipe seat 4. Then, the threaded rod 9 is rotated to move the second sliding plate 8 away from the first gear 6. Simultaneously, the second sliding plate 8 drives the linear rack 10 to mesh with the second gear 11, thereby synchronously driving the first sliding plate 7 to slide away from the first gear 6. This allows the load force of the pipe to drive the hanger 2 to overcome the elastic force of the first spring 3, thus driving the arc-shaped sliding plate 5 to slide upwards inside the housing 1. Then, the arc-shaped sliding plate 5 presses against the trapezoidal sliding plates 19 on both sides to overcome the elastic force of the second spring 20, allowing the trapezoidal sliding plates 19 to support the sides of the arc-shaped sliding plate 5, maintaining the torque of the first spring 3 in balance and providing a constant supporting force for the hanger 2. After the torque supporting the pipe is balanced, the threaded rod 9 is rotated in the opposite direction again to drive the first sliding plate 7 and the second sliding plate 8 to slide closer to the first gear 6. The first sliding plate 7 and the second sliding plate 8 then mesh with the first gear 6 using the teeth 12, locking and fixing the arc-shaped sliding plate 5, preventing the hanger 2 from moving up and down, thus ensuring the stability of the pipe support.

[0037] Example 2:

[0038] Referring to Figures 1, 2, and 4, a constant force support for pipes includes a housing 1. A suspension rod 2 is slidably connected to the bottom of the housing 1. An arc-shaped sliding plate 5 is bolted to the top of the suspension rod 2. A first spring 3, which is bolted to the arc-shaped sliding plate 5 and the housing 1, is fitted onto the surface of the suspension rod 2. A pipe seat 4 is bolted to the bottom of the suspension rod 2. By driving two trapezoidal blocks 16 and abutment plate 24 to slide and abut against the pipe surface according to the pipe diameter, it is convenient to support and lift pipes of various diameters, improving the practicality of the constant force support.

[0039] Referring to Figures 2 and 4, a fixing clamp 13 is bolted to the bottom of the pipe seat 4. A threaded shaft 17 is threaded through the inside of the fixing clamp 13. A stop plate 24 is bolted to the top of the threaded shaft 17. A double-acting screw 14 is rotatably connected inside the pipe seat 4. Threaded sleeves 15 are threaded onto both sides of the surface of the double-acting screw 14. Trapezoidal blocks 16, which are slidably connected to the double-acting screw 14, are symmetrically welded to the bottom of each of the two threaded sleeves 15. By driving the two trapezoidal blocks 16 and the stop plate 24 to slide and abut against the pipe surface according to the pipe diameter, it is convenient to support and hoist pipes of various diameters.

[0040] Referring to Figures 1 and 4, anti-slip pads 22 are adhered to the sides of the pipe seat 4 and the fixing clamp 13 that are close to each other. This increases surface friction and improves the stability of the pipe when placed between the pipe seat 4 and the fixing clamp 13.

[0041] Referring to Figures 1, 2, and 4, rotating bolts 23 are bolted to the end of the threaded rod 9 furthest from the housing 1, and to the ends of the double-acting screw 14 and the threaded shaft 17 furthest from the pipe seat 4 and the fixing clamp 13, respectively. By rotating the rotating bolts 23, the threaded rod 9, the double-acting screw 14, and the threaded shaft 17 are rotated respectively, thereby facilitating the adjustment and control of the constant force support.

[0042] Brief description of the usage process: The pipe is placed between the pipe seat 4 and the fixing clamp 13, and then the fixing clamp 13 is bolted to the bottom of the pipe seat 4 to limit the pipe's position. Next, the double-acting screw 14 and the threaded shaft 17 are rotated respectively, causing the double-acting screw 14 to engage with the threaded sleeve 15, which in turn causes the two trapezoidal blocks 16 to abut against the surface of the pipe. Simultaneously, the threaded shaft 17 engages with the fixing clamp 13, causing the abutment plate 24 to abut against the other side of the pipe. Thus, the pipe is supported and fixed between the pipe seat 4 and the fixing clamp 13 according to its diameter.

[0043] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A constant force hanger for supporting a pipe comprising a housing (1), characterised in that: The bottom of the housing (1) is slidably connected to a rod (2), the top of the rod (2) is bolted with an arc-shaped sliding plate (5), the surface of the rod (2) is fitted with a first spring (3) bolted to the arc-shaped sliding plate (5) and the housing (1), and the bottom of the rod (2) is bolted with a pipe seat (4).

2. A constant force hanger for supporting a pipe according to claim 1, wherein: One end of the arc-shaped sliding plate (5) is bolted with a first gear (6). Both sides of the first gear (6) are provided with a first sliding plate (7) and a second sliding plate (8) that are slidably connected to the housing (1). The sides of the first sliding plate (7) and the second sliding plate (8) that are close to each other are provided with teeth (12) that mesh with the first gear (6). The end of the second sliding plate (8) away from the first sliding plate (7) is rotatably connected with a threaded rod (9) that is threaded through the housing (1). The bottom of the first sliding plate (7) and the second sliding plate (8) are both bolted with a straight rack (10). The two straight racks (10) are meshed with a second gear (11) that is rotatably connected to the housing (1).

3. A constant force support for pipelines according to claim 2, characterized in that: The bottom of the pipe seat (4) is bolted with a fixing clip (13), and the inside of the fixing clip (13) is threadedly connected to a threaded shaft (17). The top of the threaded shaft (17) is bolted with a stop plate (24). The inside of the pipe seat (4) is rotatably connected to a double screw (14). Both sides of the surface of the double screw (14) are threadedly fitted with threaded sleeves (15). The bottom of the two threaded sleeves (15) are symmetrically welded with trapezoidal blocks (16) that are slidably connected to the double screw (14).

4. A constant force support for pipelines according to claim 1, characterized in that: The two sides inside the housing (1) are each bolted with a second spring (20), and the ends of the two second springs (20) that are close to each other are each bolted with a trapezoidal slide plate (19) that is slidably connected to the arc-shaped slide plate (5).

5. A constant force support for pipelines according to claim 1, characterized in that: The bottom of the housing (1) is bolted with a limiting ring (18) that slides through the lifting rod (2).

6. A constant force support for a pipeline according to claim 2, characterized in that: The first sliding plate (7) and the second sliding plate (8) are each welded with a positioning rod (21) that is slidably connected to the housing (1) on the side that is far away from each other.

7. A constant force support for a pipeline according to claim 3, characterized in that: Anti-slip pads (22) are glued to the sides of the pipe seat (4) and the fixing clamp (13) that are close to each other.

8. A constant force support for a pipeline according to claim 3, characterized in that: Rotary bolts (23) are bolted to the end of the threaded rod (9) away from the housing (1) and the ends of the bidirectional screw (14) and threaded shaft (17) away from the pipe seat (4) and the fixed clamp (13), respectively.

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