A manual tube-pulling device
By designing the handle support rod, flip support block, and rotating components in the manual tube removal device, the problems of inconvenient operation and poor adaptability of the existing device have been solved, achieving a more efficient and safer tube removal operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOYANG LONGZE COKING
- Filing Date
- 2025-06-16
- Publication Date
- 2026-06-16
AI Technical Summary
The existing manual tube-pulling device is inconvenient to operate and inefficient, especially when pulling tubes on the left side, it is not user-friendly and has poor adjustability, which affects work efficiency and safety.
A device comprising a handle support rod, a flip support block, a rotating component, and a clamping part was designed. Through lever flipping, screw adjustment, and a rotary telescopic structure, a more convenient tube body adaptation and labor-saving tube pulling operation were achieved.
It improves the convenience and adaptability of tube removal operations, enhances the flexibility and safety of use, and reduces the difficulty of operation.
Smart Images

Figure CN224360099U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tube removal technology in coking plants, specifically a manual tube removal device. Background Technology
[0002] Coking refers to the process of heating coking coal to about 1000℃ in the absence of air (high-temperature dry distillation) to produce coke, coke oven gas and other coking chemical products through thermal decomposition and coking. When using it, a tube-removing device is required to remove the tube.
[0003] Existing manual tube removal devices typically suffer from problems such as inconvenient operation, low efficiency, and lack of ergonomics when used in specific directions (e.g., left side). In scenarios requiring frequent left-side tube removal, traditional devices often fail to meet operational needs, causing inconvenience to workers and potentially affecting work efficiency and safety. Furthermore, their poor adjustability and inconvenience necessitate a new manual tube removal device to address these issues. Utility Model Content
[0004] The purpose of this utility model is to provide a manual tube removal device to solve the problems mentioned in the background art, such as inconvenience in operation, low efficiency, and lack of ergonomics when used in a specific direction (such as the left side). In some scenarios where frequent left-side tube removal operations are required, traditional tube removal devices often cannot meet the operational needs, causing inconvenience to workers and may even affect work efficiency and safety. Furthermore, they have poor adjustability and are inconvenient to use.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a manual tube-pulling device, comprising a handle support rod, a flip support block fitted in the middle of the handle support rod, a second rotating component installed at the lower end of the flip support block, a support tube installed at the lower end of the second rotating component, and a support base fixedly connected to the lower end of the support tube, a screw inserted into the inner wall of the handle support rod, a handle fixedly connected to one end of the screw, a positioning slot provided on the side of the other end of the handle support rod, a positioning block inserted into the inner wall of the positioning slot, a connecting part fixedly connected to the outer wall of the positioning block, a first rotating component flipped and installed on one side of the inner wall of the connecting part, a lifting block fixedly connected to the lower end of the first rotating component, a fixed clamping part vertically fixedly connected to the lower end of the lifting block, a rotating groove provided on one side of the inner wall of the fixed clamping part, and a rotating part rotatably installed on the front side of the inner wall of the rotating groove. A rotating block is provided, with a crank handle vertically mounted on its front edge. A lead screw is vertically fixedly connected to the center of the rear side of the rotating block, and a lead screw slider is fitted onto the rear side of the outer wall of the lead screw. A movable clamping part is fixedly connected to one side of the lead screw slider, and a positioning rod is vertically fixedly connected to the lower front end of the lead screw slider. The positioning rod is inserted into a positioning guide groove, which is located at the lower end of the inner wall of the fixed clamping part. A splicing slot is provided on the inner side of the fixed clamping part and the movable clamping part, and a splicing block is inserted into the inner wall of the splicing slot. An anti-slip pad is fixedly connected to one side of the splicing block. A lifting rod is fixedly connected to the lower end of the second rotating component, and the lifting rod is slidably inserted into the support tube. A locking knob is inserted through the upper front end of the support tube. A fixing bolt is inserted into the front edge of the connecting part. A reinforcing block is fixedly connected between the support chassis and the support tube.
[0006] Preferably, the handle support rod is connected to the support tube in a lever-flipped manner via a flipping support block and a second rotating component, the fixed clamping part is connected to the connecting part in a flipped manner via a hanging block and a first rotating component, and the support chassis is a frustum structure with a non-slip lower end.
[0007] Preferably, the handle is made of arc-shaped sponge material, and the handle is connected to the handle support rod by a screw in a screw-type telescopic connection. The handle support rod and the flip support block are connected to the support tube by a lifting rod in a sliding lifting connection, and the lifting rod is connected to the support tube by a locking knob in a locking and fixed connection.
[0008] Preferably, the connecting part and the fixed clamping part are installed in a positioning and interlocking manner with the handle support rod through a positioning slot and a positioning plug, and the connecting part is fixedly installed with the handle support rod by a fixing bolt, and the interior of the connecting part has a reinforced structure.
[0009] Preferably, the movable clamping part is connected to the fixed clamping part by means of a lead screw and a lead screw slider, and the lead screw is connected to the rotating groove by means of a crank handle.
[0010] Preferably, the anti-slip pad is installed by interlocking with the fixed clamping part and the movable clamping part through splicing slots and splicing blocks.
[0011] Compared with the prior art, the beneficial effects of this utility model are: the manual tube pulling device can pull the tube by lever through the handle support rod, handle, flip support block and second rotating part, which is more convenient. Moreover, the screw can be adjusted back and forth by the screw and screw slider to drive the clamping part, which can be easily adapted to tubes of different sizes. Furthermore, the handle support rod and the fixed clamping part can be adjusted by lifting and lowering through the support tube and lifting rod, and the torque can be adjusted by the screw to drive the handle to rotate and extend. This makes it more labor-saving and has better adaptability. Attached Figure Description
[0012] Figure 1 This is a front view of a manual tube-pulling device according to the present invention;
[0013] Figure 2 This is a schematic diagram of the internal structure of a manual tube-pulling device according to the present invention;
[0014] Figure 3 This is a top view of the internal structure of the clamping part of a manual tube pulling device according to this utility model;
[0015] Figure 4 This utility model relates to a manual tube-pulling device. Figure 2 Enlarged view of point A in the middle;
[0016] Figure 5 This utility model relates to a manual tube-pulling device. Figure 2 Enlarged view at point B in the middle;
[0017] Figure 6 This utility model relates to a manual tube-pulling device. Figure 2 Enlarged view at point C;
[0018] Figure 7 This utility model relates to a manual tube-pulling device. Figure 3 Enlarged view at point D;
[0019] Figure 8 This utility model relates to a manual tube-pulling device. Figure 3 Enlarged view of point E in the middle.
[0020] In the diagram: 1. Handle support rod, 2. Handle, 3. Flip support block, 4. Connecting part, 5. Lifting block, 6. Fixed clamping part, 7. Support chassis, 8. Reinforcing block, 9. Support tube, 10. First rotating component, 11. Second rotating component, 12. Lead screw, 13. Lead screw slider, 14. Moving clamping part, 15. Crank handle, 16. Positioning slot, 17. Fixing bolt, 18. Positioning insert, 19. Lifting insert, 20. Locking knob, 21. Screw, 22. Splicing slot, 23. Splicing insert, 24. Anti-slip pad, 25. Rotating groove, 26. Positioning guide groove, 27. Positioning insert, 28. Rotating 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] Please see Figure 1-8This utility model provides a technical solution: a manual tube-pulling device, including a handle support rod 1, a handle 2, a flip support block 3, a connecting part 4, a lifting block 5, a fixed clamping part 6, a support base 7, a reinforcing block 8, a support tube 9, a first rotating component 10, a second rotating component 11, a lead screw 12, a lead screw slider 13, a movable clamping part 14, a crank handle 15, a positioning slot 16, a fixing bolt 17, a positioning insert 18, a lifting insert 19, a locking knob 20, a screw 21, a splicing slot 22, a splicing insert 23, an anti-slip pad 24, a rotating groove 25, a positioning guide groove 26, a positioning insert 27, and a rotating block 28. The flip support block 3 is fitted in the middle of the handle support rod 1, and the second rotating component 11 is installed at the lower end of the flip support block 3. Rod 1 is connected to support tube 9 via flip support block 3 and second rotating component 11 in a lever-flipped connection. Fixed clamping part 6 is connected to connecting part 4 via lifting block 5 and first rotating component 10 in a flipped connection. Support base 7 has a non-slip frustum structure at the lower end, making it easier to flip and lever-pull the tube, resulting in better performance. Support tube 9 is installed at the lower end of second rotating component 11, and support base 7 is fixedly connected to the lower end of support tube 9. Screw 21 is inserted into the inner wall of handle support rod 1, and handle 2 is fixedly connected to one end of screw 21. Handle 2 is made of arc-shaped sponge material, and handle 2 is screwed and telescopically connected to handle support rod 1 via screw 21. Handle support rod 1 and flip support block 3 are connected to support tube 9 in a sliding lifting connection via lifting rod 19. The rod 19 is locked and fixedly connected to the support tube 9 via the locking knob 20, allowing the handle 2 to be rotated, extended, and adjusted, as well as raised and lowered, providing excellent adaptability. A positioning slot 16 is provided on the other side of the handle support rod 1, and a positioning block 18 is inserted into the inner wall of the positioning slot 16. A connecting part 4 is fixedly connected to the outer wall of the positioning block 18. A first rotating component 10 is mounted on one side of the inner wall of the connecting part 4, and a lifting block 5 is fixedly connected to the lower end of the first rotating component 10. The connecting part 4 and the fixed clamping part 6 are installed in a positioning and insertion engagement with the handle support rod 1 via the positioning slot 16 and the positioning block 18. The connecting part 4 is bolted to the handle support rod 1 via fixing bolts 17. The internal structure of the connecting part 4 is reinforced, thus ensuring... The connecting part 4 and the fixed clamping part 6 are easy to assemble and disassemble independently, and the structure is stable. The lower end of the lifting block 5 is vertically fixedly connected to the fixed clamping part 6, and a rotating groove 25 is opened on one side of the inner wall of the fixed clamping part 6. A rotating block 28 is rotatably installed on the front side of the inner wall of the rotating groove 25, and a crank 15 is vertically installed on the front edge of the rotating block 28. A lead screw 12 is vertically fixedly connected to the center of the rear side of the rotating block 28, and a lead screw slider 13 is fitted on the rear side of the outer wall of the lead screw 12. A movable clamping part 14 is fixedly connected to one side of the lead screw slider 13, and a positioning rod 27 is vertically fixedly connected to the lower front side of the lead screw slider 13. The movable clamping part 14 is connected to the fixed clamping part 6 through the lead screw 12 and the lead screw slider 13 in a lead screw back-and-forth movement connection, and the lead screw 12 is connected to the rotating groove 25 through the crank 15 in a rocking rotation connection.This design allows for easy adjustment of the lead screw extension / retraction in the movable clamping part 14, resulting in excellent clamping adaptability and ease of use. The positioning rod 27 is inserted into the positioning guide groove 26, which is located at the lower end of the inner wall of the fixed clamping part 6. A splicing slot 22 is provided on the inner side of both the fixed clamping part 6 and the movable clamping part 14, and a splicing block 23 is inserted into the inner wall of the splicing slot 22. An anti-slip pad 24 is fixedly connected to one side of the splicing block 23. The anti-slip pad 24 is connected to the fixed clamping part 14 via the splicing slot 22 and the splicing block 23. The part 6 and the movable clamping part 14 are installed by interlocking, which allows the anti-slip pad 24 to be stably clamped, and it can be independently installed, disassembled and replaced, making it convenient to use. The lower end of the second rotating part 11 is fixedly connected to the lifting rod 19, and the lifting rod 19 is slidably installed with the support tube 9. The upper front end of the support tube 9 is fitted with a locking knob 20. The front edge of the connecting part 4 is fitted with a fixing bolt 17. A reinforcing block 8 is fixedly connected between the support base 7 and the support tube 9.
[0023] Working principle: When using this manual pipe pulling device, first place the device on the pipe via the support base 7, then fit the fixed clamping part 6 and the movable clamping part 14 onto the outer wall of the pipe. Next, rotate the screw 12 via the crank handle 15, and then drive the screw of the movable clamping part 14 to move via the screw slider 13. Then, clamp and fix the pipe via the anti-slip pad 24. Then, press down the handle support rod 1 and handle 2 by flipping the support block 3 and the second rotating part 11, and pull out the pipe through the lever structure. When different heights are required, the height can be adjusted via the support tube 9 and the lifting rod 19. When the torque needs to be adjusted, the handle 2 can be rotated and extended via the screw 21. When the anti-slip pad 24 is damaged, it can be replaced by inserting and disassembling the splicing slot 22 and the splicing plug 23. This is the usage process of this manual pipe pulling device.
[0024] Although the present invention 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 invention should be included within the protection scope of the present invention.
Claims
1. A manual tube-pulling device, comprising a handle support rod (1), wherein a flip support block (3) is fitted in the middle of the handle support rod (1), and a second rotating component (11) is installed at the lower end of the flip support block (3), a support tube (9) is installed at the lower end of the second rotating component (11), and a support base (7) is fixedly connected to the lower end of the support tube (9), characterized in that: The inner wall of the handle supporting rod (1) is inserted and installed with a screw rod (21), and one end of the screw rod (21) is fixedly connected with a handle (2); the other end side of the handle supporting rod (1) is provided with a positioning slot (16), and the inner wall of the positioning slot (16) is inserted and installed with a positioning plug (18); the outer wall of the positioning plug (18) is fixedly connected with a connecting part (4) in a sleeved manner; the inner wall of the connecting part (4) is reversely installed with a first rotating part (10) on one side; the lower end of the first rotating part (10) is fixedly connected with a hanging block (5); the lower end of the hanging block (5) is fixedly connected with a fixed clamping part (6) in a perpendicular manner; the inner wall of the fixed clamping part (6) is provided with a rotating groove (25) on one side; the inner wall of the rotating groove (25) is rotatably installed with a rotating block (28) on the front side; the front side edge of the rotating block (28) is perpendicularly installed with a crank (15); the rear center position of the rotating block (28) is fixedly connected with a lead screw (12) in a perpendicular manner; the outer wall of the lead screw (12) is sleeved and installed with a lead screw sliding block (13) on the rear side; one side of the lead screw sliding block (13) is fixedly connected with a movable clamping part (14); the front lower end of the lead screw sliding block (13) is fixedly connected with a positioning plug rod (27) in a perpendicular manner; the positioning plug rod (27) is inserted and installed with a positioning guide groove (26); the positioning guide groove (26) is provided on the inner wall of the lower end of the fixed clamping part (6); the inner sides of the fixed clamping part (6) and the movable clamping part (14) are provided with splicing slots (22); the inner walls of the splicing slots (22) are inserted and installed with splicing plugs (23); one side of the splicing plug (23) is fixedly connected with an anti-skid pad (24); the lower end of the second rotating part (11) is fixedly connected with a lifting plug rod (19); the lifting plug rod (19) is slidably inserted and installed with the supporting pipe (9); the front upper end of the supporting pipe (9) is inserted and installed with a locking knob (20) in a penetrating manner; the front side edge of the connecting part (4) is inserted and installed with a fixed bolt (17); the supporting base plate (7) and the supporting pipe (9) are fixedly connected with a reinforcing block (8).
2. A manual tube-pulling device according to claim 1, characterized in that: The handle supporting rod (1) is reversely supported by the supporting block (3) and the second rotating part (11) and is reversely connected with the supporting pipe (9) in a lever manner; the fixed clamping part (6) is reversely connected with the connecting part (4) through the hanging block (5) and the first rotating part (10); the supporting base plate (7) is a circular table structure with an anti-skid lower end.
3. A manual tube-pulling device according to claim 2, characterized in that: The handle (2) is made of arc-shaped sponge material and is rotatably connected with the handle supporting rod (1) through the screw rod (21); the handle supporting rod (1) and the reversely supported block (3) are slidably and liftably connected with the supporting pipe (9) through the lifting plug rod (19); the lifting plug rod (19) is fixedly connected with the supporting pipe (9) through the locking knob (20).
4. A manual tube-pulling device according to claim 3, characterized in that: The connecting part (4) and the fixed clamping part (6) are positioned and inserted and spliced with the handle supporting rod (1) through the positioning slot (16) and the positioning plug (18); the connecting part (4) is fixedly installed with the handle supporting rod (1) through the fixed bolt (17); the inside of the connecting part (4) is a reinforcing structure.
5. A manual tube-pulling device according to claim 4, characterized in that: The moving clamping part (14) is connected with the fixed clamping part (6) through the screw rod (12), the screw rod sliding block (13) and the screw rod front and back movement, and the screw rod (12) is connected with the rotating slot (25) through the rocking handle (15) and the rocking rotation.
6. A manual tube-pulling device according to claim 5, characterized in that: The anti-skid pad (24) is installed through the splicing slot (22), the splicing plug (23), the fixed clamping part (6) and the moving clamping part (14).