Pneumatic jacking device for pipeline maintenance

By designing the pipe maintenance pneumatic hoisting device and using the hoisting cylinder to lift galvanized welded pipes, the problem of two people requiring cooperation in the replacement of rubber hoses in the prior art is solved, and convenient replacement for single operation is achieved, reducing labor intensity and labor costs.

CN223165175UActive Publication Date: 2025-07-29ZHOUPING HONGZHENG NEW MATERIAL TECH CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422242048.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-07-29
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

In the prior art, the replacement of rubber hose requires two people to cooperate, which is very labor-intensive and increases labor costs.

Method used

A pneumatic hoisting device for pipeline maintenance is designed, including a hoisting cylinder and welded pipe locking parts. The galvanized welded pipe is lifted through the hoisting cylinder to prevent it from falling, and a single-person operation rubber hose replacement is realized.

Benefits of technology

The replacement of single-person rubber hose is realized, reducing the labor intensity and labor costs of workers.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223165175U_ABST
    Figure CN223165175U_ABST
Patent Text Reader

Abstract

The utility model relates to a pneumatic jacking device for pipeline maintenance, which belongs to the technical field of maintenance tools and comprises a jacking cylinder provided with a manual reversing valve and used for controlling a cylinder rod to jack or retract. The bottom of the jacking air cylinder is connected with a fixing plate which can be connected and locked with a hose connector on the air control cabinet. The cylinder rod is connected with a welded pipe locking piece, and the welded pipe locking piece can be locked with the galvanized welded pipe; according to the pneumatic jacking device for pipeline maintenance, a galvanized welded pipe is jacked up through the jacking air cylinder and prevented from falling down, and a rubber hose is replaced; the rubber hose replacing device is simple in structure and convenient to use, the rubber hose can be replaced only through single-person operation, and the labor intensity of workers and the labor cost are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a pneumatic lifting device for pipeline maintenance, belonging to the technical field of maintenance tools. Background Art

[0002] In the electrolytic aluminum series process, pneumatic equipment is widely used. The connection between the pneumatic control cabinet and the pneumatic equipment adopts the connection method of rubber hose clamped with galvanized welded pipe. When the rubber hose is damaged, it needs to be replaced. During the replacement, the clamp of the galvanized welded pipe needs to be loosened to make it move up and down. Then, one person holds the galvanized welded pipe to prevent it from sagging due to its own weight, and adjusts the height of the galvanized welded pipe to a suitable position to match the length of the rubber hose. Another person removes the damaged rubber hose and installs a new one. Therefore, replacing the rubber hose not only has a high labor intensity, but also requires at least two people to cooperate to complete, increasing the labor cost. Content of the Utility Model

[0003] According to the deficiencies in the above prior art, the technical problem to be solved by the utility model is to provide a pneumatic lifting device for pipeline maintenance, which can complete the replacement of the rubber hose with only one-person operation, reducing the labor intensity of workers and the labor cost.

[0004] The pneumatic lifting device for pipeline maintenance described in the utility model includes a lifting cylinder, and the lifting cylinder is equipped with a manual reversing valve for controlling the lifting or retraction of the cylinder rod; the bottom of the lifting cylinder is connected to a fixing plate, and the fixing plate can be connected and locked with the hose joint on the pneumatic control cabinet; a welded pipe locking part is connected to the cylinder rod, and the welded pipe locking part can be locked with the galvanized welded pipe.

[0005] The technical solution of the utility model is to provide a pneumatic lifting device for pipeline maintenance. When the rubber hose needs to be replaced, the fixing plate is locked with the hose joint on the pneumatic control cabinet, and the welded pipe locking part is locked with the galvanized welded pipe. Then, the galvanized welded pipe is lifted by the lifting cylinder to prevent it from falling, and then the rubber hose is replaced.

[0006] Preferably, the fixing plate is U-shaped, a U-shaped groove is formed on the fixing plate, and a top block is movably arranged in the U-shaped groove. The fixing plate is locked with the hose joint on the pneumatic control cabinet through the cooperation of the top block and the U-shaped groove.

[0007] Further, a detachable adjusting baffle A is installed at the open end of the U-shaped groove on the fixing plate. A nut is welded on the adjusting baffle A, and a bolt passes through the nut. The bolt is rotatably connected to the top block; by rotating the bolt, the position of the top block can be adjusted, so as to realize the locking of the fixing plate and the hose joint.

[0008] Preferably, a threaded hole is provided at the head end of the cylinder rod, and the welded pipe locking part is threadedly connected to the cylinder rod and locked by a nut.

[0009] Furthermore, the welded pipe locking member includes an adjusting rod and a locking plate. A bearing is installed on the adjusting rod, and a connecting shaft is provided at the bottom of the locking plate. The connecting shaft passes through the bearing, and the adjusting rod is rotatably connected to the locking plate through the bearing. A thread is provided on the adjusting rod, and the thread is connected to the threaded hole at the head end of the cylinder rod. By adjusting the screwing length of the thread between the adjusting rod and the cylinder rod, the height of the welded pipe locking member can be adjusted.

[0010] Furthermore, a U-shaped groove is formed on the locking plate, and a top block is movably arranged in the U-shaped groove. The locking plate is locked with the galvanized welded pipe through the cooperation of the top block and the U-shaped groove. A detachable adjusting baffle B is installed at the open end of the U-shaped groove on the locking plate. A nut is welded on the adjusting baffle B, and a bolt passes through the nut. The bolt is rotatably connected to the top block. By rotating the bolt to adjust the position of the top block, the locking of the welded pipe locking member with the galvanized welded pipe is realized.

[0011] The beneficial effects of the present utility model compared with the prior art are as follows:

[0012] For the pneumatic jacking device for pipeline maintenance of the present utility model, the galvanized welded pipe is jacked up by the jacking cylinder to prevent it from falling, and the rubber hose is replaced. The structure of the present utility model is simple and convenient to use. The replacement of the rubber hose can be completed by only one person, reducing the labor intensity and labor cost of workers. Description of the Drawings

[0013] Figure 1 is one of the structural schematic diagrams of the present utility model;

[0014] Figure 2 is the second structural schematic diagram of the present utility model;

[0015] Figure 3 is the structural schematic diagram of the welded pipe locking member;

[0016] Figure 4 is one of the state schematic diagrams when the present utility model is in use;

[0017] Figure 5 is the second state schematic diagram when the present utility model is in use.

[0018] In the figure: 1, fixed plate; 11, top block; 12, adjusting baffle A; 2, welded pipe locking member; 21, locking plate; 211, adjusting baffle B; 22, adjusting rod; 221, bearing; 3, jacking cylinder; 31, manual reversing valve; 4, pneumatic control cabinet; 41, hose joint; 5, rubber hose; 6, galvanized welded pipe. Detailed Embodiments

[0019] The present utility model will be further described below in conjunction with specific embodiments.

[0020] However, the description of the present utility model is only an example of structural and even functional descriptions, and the scope of rights of the present utility model is not limited by the examples described in the text.

[0021] For example, multiple embodiments can have various changes and various forms. It should be understood that the scope of rights of the present utility model includes equivalents that can implement the technical idea.

[0022] As Figures 1 to 5 shown, this embodiment is realized through the following technical solutions: It includes a jacking cylinder 3, and the jacking cylinder 3 is equipped with a manual reversing valve 31 for controlling the jacking or retraction of the cylinder rod; the bottom of the jacking cylinder 3 is connected to a fixing plate 1, and the fixing plate 1 can be connected and locked with a hose joint 41 on the pneumatic control cabinet 4; a welded pipe locking member 2 is connected to the cylinder rod, and the welded pipe locking member 2 can be locked with a galvanized welded pipe 6.

[0023] In this embodiment, the fixing plate 1 is U-shaped, and a U-shaped groove is opened on the fixing plate 1. A top block 11 is movably arranged in the U-shaped groove, and the fixing plate 1 is locked with the hose joint 41 on the pneumatic control cabinet through the cooperation of the top block 11 and the U-shaped groove. A detachable adjusting baffle A12 is installed at the open end of the U-shaped groove on the fixing plate 1. A nut is welded on the adjusting baffle A12, and a bolt is passed through the nut. The bolt is rotatably connected to the top block 11; by rotating the bolt, the position of the top block 11 can be adjusted, so as to realize the locking of the fixing plate 1 and the hose joint 41.

[0024] A threaded hole is provided at the head end of the cylinder rod. The welded pipe locking member 2 is threadedly connected to the cylinder rod and locked by a nut; the welded pipe locking member 2 includes an adjusting rod 22 and a locking plate 21. A bearing 221 is installed on the adjusting rod 22. A connecting shaft is provided at the bottom of the locking plate 21, and the connecting shaft passes through the bearing 221. The adjusting rod 22 is rotatably connected to the locking plate 21 through the bearing 221; threads are provided on the adjusting rod 22, and the threads are connected to the threaded hole at the head end of the cylinder rod. By adjusting the screwing length of the adjusting rod 22 and the threads of the cylinder rod, the height of the welded pipe locking member 2 can be adjusted, and further the lifting height of the galvanized welded pipe 6 can be adjusted.

[0025] A U-shaped groove is opened on the locking plate 21. A top block 11 is movably arranged in the U-shaped groove, and the locking plate 21 is locked with the galvanized welded pipe 6 through the cooperation of the top block 11 and the U-shaped groove; a detachable adjusting baffle B211 is installed at the open end of the U-shaped groove on the locking plate 21. A nut is welded on the adjusting baffle B211, and a bolt is passed through the nut. The bolt is rotatably connected to the top block 11; by rotating the bolt to adjust the position of the top block 11, the locking of the welded pipe locking member 2 and the galvanized welded pipe 6 is realized.

[0026] The working process of the present utility model is as follows:

[0027] When replacing the rubber hose 5, align the U-shaped groove on the fixing plate 1 with the hose connectors 41 on both sides of the rubber hose to be replaced. At the same time, align the U-shaped groove on the locking plate 21 with the galvanized welded pipe 6 above the rubber hose to be replaced. Insert the present utility model, install the adjusting baffle A12 and the adjusting baffle B211, and use the top block 11 to tightly press the corresponding hose connector 41 and the galvanized welded pipe 6 for locking; loosen the clamp of the galvanized welded pipe 6. At this time, the galvanized welded pipe 6 will not drop due to gravity. Turn the manual reversing valve 31 to make the cylinder rod extend out, lift the galvanized welded pipe 6 to a certain height, adjust the screwing length of the adjusting rod 22 and the cylinder rod thread according to the length of the new rubber hose to make the height of the galvanized welded pipe 6 appropriate, and install the new rubber hose.

[0028] Of course, the above content is only the preferred embodiment of the present utility model and cannot be considered as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples. Equivalent changes and improvements made by those of ordinary skill in the art within the essence of the present utility model shall fall within the scope covered by the patent of the present utility model.

Claims

1. A pneumatic jacking device for pipeline maintenance, characterized in that, It includes a jacking cylinder (3), and the jacking cylinder (3) is equipped with a manual reversing valve (31) for controlling the jacking or retraction of the cylinder rod; the bottom of the jacking cylinder (3) is connected to a fixing plate (1) that can be locked with a hose connector (41); a pipe locking member (2) that can be locked with a galvanized welded pipe (6) is connected to the cylinder rod.

2. The pneumatic jacking device for pipeline maintenance according to claim 1, characterized in that, The fixing plate (1) is U-shaped, and a U-shaped groove is provided on the fixing plate (1). A top block (11) is movably arranged in the U-shaped groove, and the fixing plate (1) is locked with the hose connector (41) on the pneumatic control cabinet through the cooperation of the top block (11) and the U-shaped groove.

3. The pneumatic jacking device for pipeline maintenance according to claim 2, characterized in that, A detachable adjusting baffle A (12) is installed at the open end of the U-shaped groove on the fixing plate (1). A nut is welded on the adjusting baffle A (12), and a bolt is passed through the nut. The bolt is rotatably connected to the top block (11).

4. The pneumatic jacking device for pipeline maintenance according to claim 1, characterized in that, A threaded hole is provided at the head end of the cylinder rod. The pipe locking member (2) is threadedly connected to the cylinder rod and locked with a nut.

5. The pneumatic jacking device for pipeline maintenance according to claim 4, wherein, The pipe locking member (2) includes an adjusting rod (22) and a locking plate (21). A bearing (221) is installed on the adjusting rod (22). A connecting shaft is provided at the bottom of the locking plate (21), and the connecting shaft passes through the bearing (221). The adjusting rod (22) is rotatably connected to the locking plate (21) through the bearing (221); a thread is provided on the adjusting rod (22), and the thread is connected to the threaded hole at the head end of the cylinder rod.

6. The pneumatic jacking device for pipeline maintenance according to claim 5, wherein, A U-shaped groove is provided on the locking plate (21). A top block (11) is movably arranged in the U-shaped groove, and the locking plate (21) is locked with the galvanized welded pipe (6) through the cooperation of the top block (11) and the U-shaped groove; a detachable adjusting baffle B (211) is installed at the open end of the U-shaped groove on the locking plate (21). A nut is welded on the adjusting baffle B (211), and a bolt is passed through the nut. The bolt is rotatably connected to the top block (11).