Large-span steel structure hoisting device

Abstract

The utility model relates to the field of hoisting devices, and discloses a large-span steel structure hoisting device which comprises a connector and a circular tube, the bottom end of the connector is fixedly connected with two steel cables I, the bottom ends of the two steel cables I are fixedly connected with a fixed seat, the outer side of the fixed seat is slidably connected with two fixed plates, and the fixed plates are fixedly connected with the connector. The device comprises two fixing plates, two tightening assemblies are slidably connected to the interiors of the two fixing plates, a plurality of placement grooves are formed in the interiors of the two fixing plates, attaching columns are slidably connected to the interiors of the placement grooves, pushing rings are fixedly connected to the outer sides of the attaching columns, and pushing springs are arranged on the outer sides of the attaching columns in a sleeving mode. And a limiting column is slidably connected into the fixed seat. According to the utility model, the circular tube is adaptively clamped, so that the problem that part of steel structures are not provided with upper flange plates and cannot be clamped is solved, the universality and the application range are improved, the two sides of the circular tube are fixed, and the stability of the circular tube in the hanging process is effectively enhanced.

Description

Technical Field

[0001] The utility model relates to the field of hoisting devices, in particular to a large-span steel structure hoisting device. Background Art

[0002] Large-span steel structure hoisting devices are equipment used to install and suspend large steel structure components. They are usually used in engineering projects such as bridges, large buildings, and factories. This device can provide sufficient bearing capacity and stability to carry out hoisting operations safely and efficiently.

[0003] After searching, the existing Chinese patent announcement number is: CN219585637U, a high-span factory steel structure hoisting device, including a wire rope, a U-shaped lifting ring and a clamp, the wire rope is connected to the clamp through the U-shaped lifting ring, the wire rope is hung on the crane hook, the clamp is composed of two lifting claws connected by a shaft at one end, the two lifting claws are respectively rotatably connected with a first cross bar and a second cross bar with an inner thread through hole, the inner threads of the first cross bar and the second cross bar are in opposite directions, the spiral adjustment shaft is processed with an outer thread, the spiral adjustment shaft passes through the inner thread through holes of the first cross bar and the second cross bar, and the steel structure to be hoisted is locked or loosened by adjusting the opening and closing angles of the two lifting claws through the thread, each of the lifting claws is a two-piece hook-shaped clamp connected by a connecting rod, and the end of the hook-shaped clamp is a bearing fulcrum. The utility model has a simple structure, a smooth and safe hoisting process, a stable and non-eccentric force, and is convenient for adjusting the alignment of the bolt holes, reducing the labor intensity of the operators and improving the operating efficiency.

[0004] In the specific implementation manner of the above patent, taking the use of a lifting device to lift an H-shaped steel as an example, the clamp is connected to the wire rope hung on the crane hook through a U-shaped lifting ring, and then the clamp is clamped to the upper flange plate of the H-shaped steel so that the four bearing fulcrums are in contact with the lower surface of the upper flange plate of the H-shaped steel, the spiral adjustment shaft is rotated to lock the H-shaped steel, and then the lifting is carried out. After lifting to the specified position, the alignment installation operation is carried out. After the installation is completed, the spiral adjustment shaft is rotated in the opposite direction to loosen the H-shaped steel, and the lifting device is moved out of the H-shaped steel. This patent has a simple structure, a smooth and safe lifting process, and is protected by The force is stable and not eccentric, which facilitates the alignment adjustment of the bolt holes, reduces the labor intensity of the operators, and improves the working efficiency. However, when fixing the H-shaped steel of the steel structure in this patent, the clamp is clamped to the upper flange plate of the H-shaped steel, but not all steel structures have upper flange plates, including round steel pipes. Other types of steel structures without upper flange plates cannot be clamped, and different clamps or methods may need to be used, which limits the versatility and scope of application of the clamp. Therefore, a large-span steel structure lifting device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a large-span steel structure lifting device, which aims to improve the problem that the prior art can only be used for H-shaped steels with upper flange plates, and cannot clamp other types of steel structures without upper flange plates, and may require the use of different clamps or methods, which limits the versatility and scope of application of the clamp.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A large-span steel structure hoisting device comprises a connector and a round tube, wherein the bottom end of the connector is fixedly connected to two steel cables 1, the bottom ends of the two steel cables 1 are fixedly connected to a fixing seat, the outer side of the fixing seat is slidably connected to two fixing plates, the inner sides of the two fixing plates are slidably connected to two tightening components, the inner sides of the two fixing plates are provided with a plurality of placement grooves, the inner sides of the plurality of placement grooves are slidably connected to fitting columns, the outer sides of the fitting columns are fixedly connected to a pushing ring, the outer sides of the fitting columns are sleeved with a pushing spring, the inner side of the fixing seat is slidably connected to a limiting column, the left and right ends of the limiting column are fixedly connected to a limiting block, and the outer sides of the two limiting columns are slidably connected to a reinforcing component;

[0008] As a further description of the above technical solution:

[0009] Each of the tightening assemblies comprises a fixing bolt and a fixing nut, wherein the outer side of the fixing bolt is slidably connected to the inside of the two fixing plates, and the inner side of the fixing nut is threadedly connected to the outer side of the fixing bolt;

[0010] As a further description of the above technical solution:

[0011] The reinforcement assembly comprises two side clamping plates, a threaded column and two rotating tightening rings, the outer sides of the two side clamping plates are slidably connected to the outer sides of the two limit columns, the outer sides of the threaded column are slidably connected to the inner sides of the two side clamping plates, and the inner sides of the two rotating tightening rings are threadedly connected to the outer sides of the threaded column;

[0012] As a further description of the above technical solution:

[0013] The ends of the two side clamps that are far away are in contact with the ends of the two rotating tightening rings that are close to each other, and the outer side of the threaded column is slidably connected to the inside of the round tube;

[0014] As a further description of the above technical solution:

[0015] The top ends of the two side clamps are fixedly connected with steel cables 2, and the top ends of the two steel cables 2 are fixedly connected to the bottom ends of the connectors;

[0016] As a further description of the above technical solution:

[0017] The adjacent ends of the two side clamping plates are fixedly connected with rubber pads, and the insides of the two rubber pads are slidably connected to the outsides of the threaded columns;

[0018] As a further description of the above technical solution:

[0019] The front and rear ends of the fixing seat are fixedly connected to the limiting plates, the far ends of the two fixing plates are respectively in contact with the near ends of the two limiting plates, and the outer sides of the plurality of pushing rings are respectively slidably connected to the insides of the plurality of placement grooves;

[0020] As a further description of the above technical solution:

[0021] The plurality of push springs are respectively arranged inside the plurality of placement grooves, and the outer sides of the plurality of push springs are respectively in contact with the outer sides of the plurality of push rings.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the adaptive clamping of the round tube is realized through the cooperation of the fixing plate, the placement groove, the fitting column and the pushing ring, etc., which solves the problem that some steel structures do not have an upper flange plate and cannot be clamped, thereby improving the versatility and scope of application.

[0024] 2. In the utility model, by cooperating with structures such as limit columns, limit blocks, side clamps and threaded columns, the two sides of the round tube are fixed, which effectively enhances the stability of the round tube during the hanging process, avoids the round tube from slipping, reduces the safety hazards caused by lateral shaking, and ensures a smooth lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a large-span steel structure hoisting device proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a fixing plate of a large-span steel structure hoisting device proposed by the utility model;

[0027] Figure 3 The utility model provides a schematic structural diagram of a driving ring of a large-span steel structure hoisting device.

[0028] Legend:

[0029] 1. Connector; 2. Steel cable 1; 3. Fixed seat; 4. Fixed plate; 5. Fixed bolt; 6. Fixed nut; 7. Mounting groove; 8. Fitting column; 9. Push ring; 10. Push spring; 11. Limit plate; 12. Limit column; 13. Limit block; 14. Side clamp; 15. Threaded column; 16. Rotating tightening ring; 17. Steel cable 2; 18. Rubber pad; 19. Round tube. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a large-span steel structure lifting device, including a connector 1 and a round tube 19, the bottom end of the connector 1 is fixedly connected with two steel cables 2, the design of the steel cables 2 is to facilitate lifting the fixing seat 3, the bottom ends of the two steel cables 2 are fixedly connected with the fixing seat 3, the design of the fixing seat 3 is to facilitate the sliding of two fixing plates 4, the outer side of the fixing seat 3 is slidably connected with two fixing plates 4, the design of the fixing plate 4 is to facilitate the clamping of the round tube 19 with the cooperation of the tightening assembly, the inner side of the two fixing plates 4 is slidably connected with two tightening assemblies, and a plurality of placement grooves 7 are provided inside the two fixing plates 4, and the design of the placement grooves 7 is to facilitate the placement of the fitting column 8, the push ring 9 and the push spring 10.

[0032] The interiors of multiple mounting grooves 7 are all slidably connected with fitting columns 8. The fitting columns 8 are designed to fit tightly with the outer side of the circular tube 19 when the pushing spring 10 pushes the pushing ring 9. The outer side of the fitting columns 8 is fixedly connected with the pushing ring 9. The outer side of the fitting columns 8 is sleeved with a pushing spring 10. The pushing spring 10 is designed to facilitate pushing the pushing ring 9, thereby pushing the fitting columns 8. The interior of the fixed seat 3 is slidably connected with a limiting column 12. The left and right ends of the limiting column 12 are fixedly connected with a limiting block 13. The limiting block 13 is designed to facilitate limiting the opposite side splint 14. The outer sides of the two limiting columns 12 are slidably connected with a reinforcement component.

[0033] like Figure 1 - Figure 2As shown, the reinforcement assembly includes two side clamps 14, a threaded column 15 and two rotating tightening rings 16. The outer sides of the two side clamps 14 are slidably connected to the outer sides of the two limit columns 12. The side clamps 14 are designed to fix the side edges of the circular tube 19. The outer sides of the threaded columns 15 are slidably connected to the insides of the two side clamps 14. The threaded columns 15 are designed to cooperate with the rotating tightening rings 16 to push the side clamps 14, so that the side clamps 14 drive the rubber pads 18 to fit tightly against the two sides of the circular tube 19. The internal threads of the two rotating tightening rings 16 are connected to the outer sides of the threaded columns 15. The far ends of the two side clamps 14 are respectively in contact with the near ends of the two rotating tightening rings 16. The side clamps 14 are designed to fix the side edges of the circular tube 19.

[0034] The outer side of the threaded column 15 is slidably connected to the inside of 19. The threaded column 15 is designed to cooperate with the rotating tightening ring 16 to push the side clamping plate 14, so that the side clamping plate 14 drives the rubber pads 18 to fit tightly against the two sides of the round tube 19. The top ends of the two side clamping plates 14 are fixedly connected with steel cables 17. The side clamping plates 14 are designed to fix the sides of the round tube 19. The top ends of the two steel cables 17 are fixedly connected to the bottom end of the connector 1. The design of steel cables 17 is to facilitate lifting the two side clamping plates 14. The adjacent ends of the two side clamping plates 14 are fixedly connected with rubber pads 18. The inner sides of the two rubber pads 18 are slidably connected to the outer sides of the threaded column 15. The design of the rubber pads 18 is to increase the friction of the two side clamping plates 14 and to clamp the two sides of the round tube 19 more firmly.

[0035] like Figure 1 - Figure 3 As shown, each tightening assembly includes a fixing bolt 5 and a fixing nut 6, the outer side of the fixing bolt 5 is slidably connected to the inside of the two fixing plates 4, the fixing bolt 5 is designed to cooperate with the fixing nut 6 to fix the two fixing plates 4, the internal thread of the fixing nut 6 is connected to the outer side of the fixing bolt 5, the front and rear ends of the fixing seat 3 are fixedly connected to the limiting plate 11, the limiting plate 11 is designed to limit the fixing plate 4, the far ends of the two fixing plates 4 are respectively in contact with the proximal ends of the two limiting plates 11, the fixing plate 4 is designed to facilitate the clamping of the round tube 19 under the cooperation of the tightening assembly, the outer sides of the multiple push rings 9 are respectively slidably connected to the inside of the multiple placement grooves 7, the push rings 9 are designed to facilitate the push springs 10 to push it, thereby pushing the fitting column 8, the multiple push springs 10 are respectively arranged in the inside of the multiple placement grooves 7, the outer sides of the multiple push springs 10 are respectively in contact with the outer sides of the multiple push rings 9, and the push springs 10 are designed to facilitate the push rings 9, thereby pushing the fitting column 8.

[0036] Working principle: When a large-span steel structure hoisting device is needed to lift a round tube steel structure, the round tube 19 must be placed between the two fixing plates 4 first, and then the fixing nut 6 is rotated to cooperate with the fixing bolt 5 to drive the fixing plate 4 to clamp and fix the round tube 19. When the round tube 19 is clamped and fixed, the push spring 10 will push the push ring 9 to push the fitting column 8, so that the fitting column 8 is close to the surface of the round tube 19, thereby clamping the round tube 19 more firmly and avoiding the shaking of the round tube 19 during lifting. Adaptive clamping solves the problem that some steel structures do not have upper flange plates and cannot be clamped, and improves versatility and scope of application. When the two sides of the round tube 19 need to be fixed, the rotating tightening ring 16 is rotated to push the side clamping plate 14, so that the side clamping plate 14 drives the rubber pad 18 to fit tightly against the two sides of the round tube 19. By fixing the two sides of the round tube 19, the stability of the round tube 19 during the hanging process is effectively enhanced, the round tube 19 is prevented from slipping, the safety hazards caused by lateral shaking are reduced, and the lifting process is ensured to be smooth.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-span steel structure hoisting device, comprising a connector (1) and a round tube (19), characterized in that: The bottom end of the connector (1) is fixedly connected to two steel cables (2), the bottom ends of the two steel cables (2) are fixedly connected to a fixing seat (3), the outer side of the fixing seat (3) is slidably connected to two fixing plates (4), the inner side of the two fixing plates (4) is slidably connected to two tightening components, the inner sides of the two fixing plates (4) are provided with a plurality of mounting grooves (7), the inner sides of the plurality of mounting grooves (7) are slidably connected to a fitting column (8), the outer side of the fitting column (8) is fixedly connected to a pushing ring (9), the outer side of the fitting column (8) is sleeved with a pushing spring (10), the inner side of the fixing seat (3) is slidably connected to a limiting column (12), the left and right ends of the limiting column (12) are fixedly connected to a limiting block (13), and the outer sides of the two limiting columns (12) are slidably connected to a reinforcing component.

2. A large-span steel structure hoisting device according to claim 1, characterized in that: Each of the tightening assemblies comprises a fixing bolt (5) and a fixing nut (6), wherein the outer side of the fixing bolt (5) is slidably connected to the inside of the two fixing plates (4), and the inner side of the fixing nut (6) is threadedly connected to the outer side of the fixing bolt (5).

3. The large-span steel structure hoisting device according to claim 1, characterized in that: The reinforcement assembly includes two side clamps (14), a threaded column (15) and two rotating tightening rings (16), the outer sides of the two side clamps (14) are slidably connected to the outer sides of the two limit columns (12), the outer sides of the threaded column (15) are slidably connected to the inside of the two side clamps (14), and the internal threads of the two rotating tightening rings (16) are connected to the outer sides of the threaded column (15).

4. A large-span steel structure hoisting device according to claim 3, characterized in that: The far ends of the two side clamping plates (14) are in contact with the near ends of the two rotating tightening rings (16) respectively, and the outer side of the threaded column (15) is slidably connected to the inside of the round tube (19).

5. The large-span steel structure hoisting device according to claim 3 is characterized in that: The top ends of the two side clamping plates (14) are fixedly connected to steel cables 2 (17), and the top ends of the two steel cables 2 (17) are fixedly connected to the bottom ends of the connector (1).

6. The large-span steel structure hoisting device according to claim 3 is characterized in that: The adjacent ends of the two side clamping plates (14) are fixedly connected with rubber pads (18), and the insides of the two rubber pads (18) are slidably connected to the outsides of the threaded columns (15).

7. The large-span steel structure hoisting device according to claim 1, characterized in that: The front and rear ends of the fixing seat (3) are fixedly connected to the limiting plate (11), the far ends of the two fixing plates (4) are respectively in contact with the near ends of the two limiting plates (11), and the outer sides of the plurality of pushing rings (9) are respectively slidably connected to the insides of the plurality of placement grooves (7).

8. The large-span steel structure hoisting device according to claim 1, characterized in that: The plurality of push springs (10) are respectively arranged inside the plurality of placement grooves (7), and the outer sides of the plurality of push springs (10) are respectively in contact with the outer sides of the plurality of push rings (9).

Images