Hoisting device for boiler maintenance

Abstract

The utility model relates to the technical field of boiler overhaul production, and discloses a lifting device for boiler overhaul, which comprises a base, a support rod is fixedly connected to the top of the base, a lifting frame is fixedly connected to the top of the support rod, and two mounting plates are fixedly connected to the left side of the support rod. Wherein a driving assembly is fixedly connected to the rear side of one mounting plate, a first rotating wheel is fixedly connected to the front side of the driving assembly, a connecting rope is fixedly connected to the exterior of the first rotating wheel, a limiting assembly is arranged at the top of the lifting frame, and a first mounting block is fixedly connected to the right side of the supporting rod. The right side of the first mounting block is fixedly connected with a first threaded cylinder, and the top of the first threaded cylinder is in threaded connection with a two-way threaded column. According to the utility model, the lifting frame and the supporting rod can be supported and connected, so that the connection between the lifting frame and the supporting rod is more stable, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler maintenance production, in particular to a lifting device for boiler maintenance. Background Art

[0002] A boiler is a container that holds substances that need to be heated or dissolved. The boiler will generate high heat and high-pressure steam to decompose and melt the substances. The water vapor and hot water generated in the boiler can also be directly used for industrial production. The boiler can also be directly connected to other power devices and converted into the electrical energy or mechanical kinetic energy needed by people through other devices. After long-term use, the boiler needs to be lifted for inspection and maintenance.

[0003] After searching, the announcement number CN214299050U is a kind of boiler maintenance lifting device involving the field of boiler maintenance production technology, including a motor, a lifting bin connected to the right side of the motor, and a shaft rod is arranged on the inner surface of the lifting bin, a rope is wound on the shaft rod, and a hook is fixedly connected to the lower end of the rope, the lower half of the rope is arranged in the vertical rod, and a horizontal plate is fixedly connected to the lower surface of the vertical rod, and a magnet is installed on the lower surface of the horizontal plate, the bottom surface of the lifting bin penetrates and is fixedly connected to the upper surface of the lifting frame, and the lower surface of the lifting frame contacts the upper surface of the strip groove, a sleeve is fixedly installed at the right end of the strip groove, and a screw rod is connected to the inner thread of the sleeve, and a pulley is connected to the outer surface of the right end of the screw rod. The lifting device for boiler maintenance can quickly move back and forth on the lifting frame to expand the lifting range, and can quickly suck up and hook the hanging ring on the boiler cover to solve the problem that the lifting device cannot quickly and accurately lift the boiler cover.

[0004] The above patent mentioned that "the lifting device for boiler maintenance can quickly move back and forth on the lifting frame to expand the lifting range, and can quickly suck up and hook the hanging ring on the boiler cover to solve the problem that the lifting device cannot quickly and accurately lift the boiler cover." However, in actual use, due to the different weights of the boiler, when it is lifted, the lifting frame and the support rod will be unstable, causing the boiler to fall off and cause losses. Therefore, in response to the above problems, a lifting device for boiler maintenance is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a lifting device for boiler maintenance, aiming to improve the problems in the prior art that the lifting frame and the support rod cannot be supported and connected and that the lifting frame and the support rod cannot be aligned and limited when the boiler is hooked up.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device for boiler maintenance, comprising a base, a support rod is fixedly connected to the top of the support rod, a lifting frame is fixedly connected to the top of the support rod, two mounting plates are fixedly connected to the left side of the support rod, a driving assembly is fixedly connected to the rear side of one of the mounting plates, a rotating wheel is fixedly connected to the front side of the driving assembly, a connecting rope is fixedly connected to the outside of the rotating wheel, a limiting assembly is arranged on the top of the lifting frame, a mounting block is fixedly connected to the right side of the support rod, a threaded barrel is fixedly connected to the right side of the mounting block, a bidirectional threaded column is threadedly connected to the top of the threaded barrel, a threaded barrel second is threadedly connected to the top of the bidirectional threaded column, a nylon rope is arranged inside the threaded barrel second, and a handle is fixedly connected to the outside of the bidirectional threaded column.

[0007] Furthermore, the driving assembly comprises a motor, the front side of the motor is fixedly connected to the rear side of one of the mounting plates, and the driving end of the motor is fixedly connected to a rotating column.

[0008] Furthermore, the limiting assembly includes a limiting groove, the outside of the limiting groove is opened at the top of the lifting frame, and the inside of the limiting groove is rotatably connected to two rotating wheels 2.

[0009] Furthermore, a lifting hook is fixedly connected to the bottom of the connecting rope, a rotating block is rotatably connected to the left side of the lifting hook, a rotating groove is provided on the outside of the lifting hook, a sleeve is fixedly connected to the inside of the rotating groove, a spring is provided inside the sleeve, and a cylindrical sleeve is slidably connected to the inside of the sleeve.

[0010] Furthermore, the outside of the rotating column is fixedly connected to the inside of the rotating wheel 1, and the front and rear sides of the rotating column are respectively rotatably connected to the adjacent sides of the two mounting plates.

[0011] Furthermore, the outside of the connecting rope is in contact with the top of the second rotating wheel, and the outside of the second rotating wheel is rotatably connected to the inside of the lifting frame.

[0012] Furthermore, the top of the mounting block two is fixedly connected to the bottom of the lifting frame, the top of the nylon rope is fixedly connected to the bottom of the mounting block two, and the bottom of the nylon rope is fixedly connected to the right side of the mounting block one.

[0013] Furthermore, one side of the spring is fixedly connected to the inside of the sleeve, the other side of the spring is fixedly connected to the inside of the cylindrical sleeve, and the top of the cylindrical sleeve is fixedly connected to the bottom of the rotating block.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by using the installation block 1, the threaded tube 1, the two-way threaded column, the threaded tube 2, the installation block, the nylon rope and other structures in coordination, the lifting frame and the support rod can be supported and connected, making the connection between the lifting frame and the support rod more stable.

[0016] 2. In the utility model, by using the lifting hook, rotating block, rotating groove, sleeve, spring, cylindrical sleeve and other structures in coordination, the lifting hook can be aligned and limited when hooking the boiler, to prevent the boiler from falling off the lifting hook due to shaking during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a lifting device for boiler maintenance proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the support rod structure of a lifting device for boiler maintenance proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the bidirectional threaded column structure of a lifting device for boiler maintenance proposed by the utility model;

[0020] Figure 4 The utility model discloses a cross-sectional view of a cylinder sleeve structure of a lifting device for boiler maintenance.

[0021] Legend:

[0022] 1. Base; 2. Support rod; 3. Lifting frame; 4. Mounting plate; 5. Motor; 6. Rotating column; 7. Rotating wheel 1; 8. Connecting rope; 9. Limiting groove; 10. Rotating wheel 2; 11. Mounting block 1; 12. Threaded cylinder 1; 13. Bidirectional threaded column; 14. Threaded cylinder 2; 15. Mounting block 2; 16. Nylon rope; 17. Handle; 18. Lifting hook; 19. Rotating block; 20. Rotating groove; 21. Sleeve; 22. Spring; 23. Cylinder sleeve. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1-2As shown, an embodiment of the utility model is provided: a lifting device for boiler maintenance, including a base 1, the base 1 supports the device, the top of the base 1 is fixedly connected with a support rod 2, the support rod 2 is used to cooperate with the base 1 to connect the lifting frame 3, the top of the support rod 2 is fixedly connected with the lifting frame 3, the left side of the support rod 2 is fixedly connected with two mounting plates 4, the mounting plates 4 are used to fix the motor 5 and limit the rotating wheel 7, the rear side of one of the mounting plates 4 is fixedly connected with a driving assembly, the driving assembly includes a motor 5, the motor 5 is used to cooperate with the rotating column 6 to drive the rotating wheel 7 to rotate, the front side of the motor 5 is fixedly connected to the rear side of one of the mounting plates 4, the driving end of the motor 5 is fixedly connected with a rotating column 6, the rotating column 6 is used to connect the motor 5, the rotating The outside of the column 6 is fixedly connected to the inside of the wheel 1 7, and the wheel 1 7 is used to reel in the connecting rope 8. The front and rear sides of the rotating column 6 are respectively rotatably connected to the adjacent sides of the two mounting plates 4. The front side of the driving assembly is fixedly connected to the wheel 1 7, and the outside of the wheel 1 7 is fixedly connected to the connecting rope 8. The connecting rope 8 is used to pull the lifting hook 18 for lifting. The outside of the connecting rope 8 is in contact with the top of the wheel 2 10, and the outside of the wheel 2 10 is rotatably connected to the inside of the lifting frame 3. A limiting assembly is provided on the top of the lifting frame 3. The limiting assembly includes a limiting groove 9. The limiting groove 9 is used to allow the wheel 2 10 to rotate inside it. The outside of the limiting groove 9 is opened at the top of the lifting frame 3. The inside of the limiting groove 9 is rotatably connected to two wheels 2 10, and the wheels 2 10 are used to drive the connecting rope 8 to reel in.

[0025] Reference Figure 3 As shown, the right side of the support rod 2 is fixedly connected with a mounting block 11, and the mounting block 11 is used to connect the threaded tube 12. The right side of the mounting block 11 is fixedly connected with a threaded tube 12. The threaded tube 12 cooperates with the threaded tube 2 14 to connect the bidirectional threaded column 13. The top thread of the threaded tube 12 is connected with a bidirectional threaded column 13. The bidirectional threaded column 13 is used to expand the threaded tube 12 and the threaded tube 2 14 on both sides, so that the support rod 2 and the lifting frame 3 are pushed up, so that the support rod 2 and the lifting frame 3 are supported. The top thread of the bidirectional threaded column 13 is connected It is connected to a threaded barrel 14, and the top of the threaded barrel 14 is threadedly connected to a mounting block 15. The mounting block 15 is used to connect the threaded barrel 14. The top of the mounting block 15 is fixedly connected to the bottom of the lifting frame 3. The top of the nylon rope 16 is fixedly connected to the bottom of the mounting block 15. The bottom of the nylon rope 16 is fixedly connected to the right side of the mounting block 11. The inside of the threaded barrel 14 is provided with a nylon rope 16. The nylon rope 16 is used to pull the support rod 2 and the lifting frame 3. The outside of the two-way threaded column 13 is fixedly connected with a handle 17. The handle 17 is for facilitating the rotation of the two-way threaded column 13.

[0026] Reference Figure 4As shown, a lifting hook 18 is fixedly connected to the bottom of the connecting rope 8, and the lifting hook 18 is used to lift the boiler. A rotating block 19 is rotatably connected to the left side of the lifting hook 18, and the rotating block 19 is used to limit the lifted boiler. A rotating groove 20 is provided on the outside of the lifting hook 18, and the rotating groove 20 is used to allow the rotating block 19 to rotate. A sleeve 21 is fixedly connected to the inside of the rotating groove 20. The sleeve 21 and the cylindrical sleeve 23 are used to prevent the internal spring 22 from deforming. A spring 22 is provided inside the sleeve 21, and the spring 22 is used to cooperate with the cylindrical sleeve 23 to push the rotating block 19. One side of the spring 22 is fixedly connected to the inside of the sleeve 21, and the other side of the spring 22 is fixedly connected to the inside of the cylindrical sleeve 23. The top of the cylindrical sleeve 23 is fixedly connected to the bottom of the rotating block 19, and the inside of the sleeve 21 is slidably connected to the cylindrical sleeve 23.

[0027] Working principle: After the operator has operated the lifting device for a long time, the connection between the support rod 2 and the lifting frame 3 is prone to loosening, which will cause shaking when the boiler is lifted again, causing the boiler to fall off. At this time, it is necessary to hold the handle 17 so that the handle 17 drives the two-way threaded column 13 to rotate, so that the handle 17 can expand and push the threaded tube 2 14 and the threaded tube 1 12 to both ends through the threads opened on the surface, so that the support rod 2 and the lifting frame 3 are supported, and the support rod 2 and the lifting frame 3 are pulled by the nylon rope 16 to play a role in the opposite directions. The force makes the device more stable during operation. Then, when lifting the boiler, first start the motor 5 to drive the rotating column 6 to rotate the wheel 7 to release the rope. When the handle ring of the boiler is hung by the lifting hook 18, the rotating block 19 will rotate to the inside of the lifting hook 18, and then bounce up when hanging the handle ring, thereby fixing the handle ring to prevent the boiler from falling off the lifting hook 18 during lifting. Then start the motor 5, and drive the wheel 7 to rotate through the motor 5 and the rotating column 6, so that the connecting rope 8 slides on the surface of the wheel 2 10, and then shrinks to the outside of the wheel 7, so that the boiler can be lifted.

[0028] 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, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or 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 lifting device for boiler maintenance, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a support rod (2), the top of the support rod (2) is fixedly connected to a lifting frame (3), the left side of the support rod (2) is fixedly connected to two mounting plates (4), the rear side of one of the mounting plates (4) is fixedly connected to a driving assembly, the front side of the driving assembly is fixedly connected to a rotating wheel (7), the outside of the rotating wheel (7) is fixedly connected to a connecting rope (8), a limiting assembly is provided on the top of the lifting frame (3), and the right side of the support rod (2) is fixedly connected to the driving assembly. A mounting block 1 (11) is connected, a threaded barrel 1 (12) is fixedly connected to the right side of the mounting block 1 (11), a bidirectional threaded column (13) is threadedly connected to the top of the threaded barrel 1 (12), a threaded barrel 2 (14) is threadedly connected to the top of the bidirectional threaded column (13), a mounting block 2 (15) is threadedly connected to the top of the threaded barrel 2 (14), a nylon rope (16) is arranged inside the threaded barrel 2 (14), and a handle (17) is fixedly connected to the outside of the bidirectional threaded column (13).

2. A lifting device for boiler maintenance according to claim 1, characterized in that: The driving assembly comprises a motor (5), the front side of the motor (5) is fixedly connected to the rear side of one of the mounting plates (4), and the driving end of the motor (5) is fixedly connected to a rotating column (6).

3. A lifting device for boiler maintenance according to claim 1, characterized in that: The limiting assembly comprises a limiting groove (9), the outside of the limiting groove (9) is opened at the top of the lifting frame (3), and the inside of the limiting groove (9) is rotatably connected to two rotating wheels (10).

4. A lifting device for boiler maintenance according to claim 1, characterized in that: The bottom of the connecting rope (8) is fixedly connected to a lifting hook (18), the left side of the lifting hook (18) is rotatably connected to a rotating block (19), a rotating groove (20) is provided on the outside of the lifting hook (18), a sleeve (21) is fixedly connected inside the rotating groove (20), a spring (22) is provided inside the sleeve (21), and a cylindrical sleeve (23) is slidably connected inside the sleeve (21).

5. A lifting device for boiler maintenance according to claim 2, characterized in that: The outside of the rotating column (6) is fixedly connected to the inside of the rotating wheel (7), and the front and rear sides of the rotating column (6) are respectively rotatably connected to the adjacent sides of the two mounting plates (4).

6. A lifting device for boiler maintenance according to claim 3, characterized in that: The outside of the connecting rope (8) contacts the top of the second rotating wheel (10), and the outside of the second rotating wheel (10) is rotatably connected to the inside of the lifting frame (3).

7. A lifting device for boiler maintenance according to claim 1, characterized in that: The top of the second mounting block (15) is fixedly connected to the bottom of the lifting frame (3), the top of the nylon rope (16) is fixedly connected to the bottom of the second mounting block (15), and the bottom of the nylon rope (16) is fixedly connected to the right side of the first mounting block (11).

8. A lifting device for boiler maintenance according to claim 4, characterized in that: One side of the spring (22) is fixedly connected to the inside of the sleeve (21), the other side of the spring (22) is fixedly connected to the inside of the cylindrical sleeve (23), and the top of the cylindrical sleeve (23) is fixedly connected to the bottom of the rotating block (19).

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