A pressure conduit surface polishing device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN DONGFANG CHANGJIN PIPE TECH CO LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-06-02
Smart Images

Figure CN224310316U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of pipeline surface polishing devices, specifically relating to a pressure pipeline surface polishing device. Background Technology
[0002] Polishing the surface of pressure pipelines, especially after prolonged use following installation, improves corrosion resistance and reduces surface area and microscopic defects. Polishing significantly reduces the microscopic unevenness of metal surfaces. A smoother surface means a smaller effective surface area, reducing the area in contact with corrosive media such as water, oxygen, and chemicals. Polishing also removes surface defects; the process removes micro-scratches, burrs, oxide scale, and embedded iron filings generated during manufacturing processes such as welding, cutting, and bending. These defects are often the starting points of corrosion. Existing mechanical polishing devices for fixed-installation pressure pipelines after a certain period of use directly use traditional polishing machines. Traditional polishing machines often use a flat polishing wheel to polish the outer surface of the pipeline. While the flat polishing wheel is effective for flat surfaces, its rotation direction cannot perfectly match the curvature of the circumferential surface of the pipeline. Therefore, this invention proposes a pressure pipeline surface polishing device. Utility Model Content
[0003] The purpose of this invention is to provide a pressure pipeline surface polishing device that can polish the entire outer surface of the pressure pipeline, and can also move forward sequentially along the pressure pipeline to achieve polishing of the entire section of the pressure pipeline. This improves the polishing effect on the pressure pipeline.
[0004] The specific technical solution adopted by this utility model is as follows:
[0005] A pressure pipeline surface polishing device includes a frame, on which a drive device and a high-pressure blower are mounted. A polishing assembly is movably mounted on the frame, with the high-pressure blower located on one side of the polishing assembly. The polishing assembly includes a superior arc-shaped half-set of polishing parts and a inferior arc-shaped half-set of polishing parts, which together form a complete tubular polishing assembly. The contact surfaces of the superior arc-shaped half-set of polishing parts and the inferior arc-shaped half-set of polishing parts are fitted together with zero tolerance, and the polishing cotton of both the superior arc-shaped half-set of polishing parts and the inferior arc-shaped half-set of polishing parts is located on the inner wall of the tubular assembly.
[0006] Preferably, the frame is provided with four sets of opposing support shafts, each set having two support shafts, and the two support shafts in each set are arranged opposite to each other. The ends of the support shafts are connected to auxiliary wheels via bearings.
[0007] Preferably, the superior arc-shaped semi-polishing component includes a superior arc-shaped semi-track ring, and the inferior arc-shaped semi-polishing component includes an inferior arc-shaped semi-track ring. Slide rails are provided on both side walls of the superior arc-shaped semi-track ring and the inferior arc-shaped semi-track ring. The end of the auxiliary rotating wheel extends into the slide rail. The outer wall of the rotating wheel is adapted to the inner wall of the slide rail. Toothed rings are provided on the outer wall of the middle part of the superior arc-shaped semi-track ring and the inferior arc-shaped semi-track ring, and a complete single tooth is formed at the contact point of the superior arc-shaped semi-track ring and the inferior arc-shaped semi-track ring.
[0008] Preferably, the inner wall of the superior arc-shaped semi-track ring is fixedly connected to a superior arc-shaped semi-installation tube, and the inner wall of the superior arc-shaped semi-installation tube is detachably installed with superior arc-shaped semi-polishing cotton by bolts; the inner wall of the inferior arc-shaped semi-track ring is fixedly connected to an inferior arc-shaped semi-installation tube, and the inner wall of the inferior arc-shaped semi-installation tube is detachably installed with inferior arc-shaped semi-polishing cotton by bolts.
[0009] Preferably, the superior arc-shaped semi-installation tube and the inferior arc-shaped semi-installation tube are connected by bolts, and the superior arc-shaped semi-installation tube and the inferior arc-shaped semi-installation tube are tightly fitted at the connection point. The outer circumference of the longitudinal section of the superior arc-shaped semi-polished cotton is greater than the outer circumference of the longitudinal section of the superior arc-shaped semi-installation tube; the outer circumference of the longitudinal section of the inferior arc-shaped semi-polished cotton is less than the outer circumference of the longitudinal section of the inferior arc-shaped semi-installation tube, and the contact point of the superior arc-shaped semi-polished cotton and the inferior arc-shaped semi-polished cotton is tightly fitted.
[0010] Preferably, the driving device includes a drive motor mounted on the frame and a first gear movably mounted on the frame. The output end of the drive motor is provided with a drive gear, which meshes with the first gear, and the first gear meshes with the toothed ring.
[0011] Preferably, the frame is provided with two handles, and each of the two handles is equipped with a push-button switch.
[0012] The technical effects achieved by this utility model are as follows:
[0013] The polishing assembly is fitted onto the pressure pipe, which has been in use for a long time and is now fixed in place, through the opening of the superior arc-shaped semi-finished polishing component. Then, the inferior arc-shaped semi-finished polishing component is tightly fitted to the superior arc-shaped semi-finished polishing component and secured with bolts. After installation, the center of gravity of the polishing assembly is located at the center point. Holding the handles with both hands, the drive motor is started by simultaneously pressing two button switches. This causes the drive gear to rotate the first gear, which in turn drives the second gear. The second gear, through a toothed ring, drives the track ring composed of the superior arc-shaped and inferior arc-shaped semi-track rings to rotate at high speed, thereby driving the superior arc-shaped and inferior arc-shaped semi-mounting pipes... The complete installation tube, composed of multiple semi-polishing cotton components, rotates, thereby rotating the complete polishing cotton, composed of superior and inferior arc-shaped semi-polishing cotton, to polish the outer surface of the pressure pipe. A high-pressure blower is also installed at one end of the polishing assembly to blow away polishing debris from the other end. In this invention, the polishing cotton rotates in the same direction as the circumference of the pressure pipe surface, thus ensuring a smooth polish. By manually adjusting the angle of the polishing device relative to the pressure pipe, the entire outer surface of the pressure pipe can be polished. Furthermore, the device can move forward sequentially along the pressure pipe to polish the entire section of the pressure pipe, thereby improving the polishing effect on the pressure pipe. Attached Figure Description
[0014] Figure 1 This is a top view of a pressure pipeline surface polishing device adapted to a pressure pipeline according to this utility model.
[0015] Figure 2 This is a schematic diagram of the overall structure of a pressure pipeline surface polishing device according to the present invention;
[0016] Figure 3 This is a schematic diagram of the connection structure between the frame and the drive device in this utility model;
[0017] Figure 4 This is a schematic diagram of the overall structure of the inferior arc-shaped half-group polishing part and the superior arc-shaped half-group polishing part in the separated state of this utility model;
[0018] Figure 5 This is a front view structural diagram of the inferior arc-shaped half-group polishing part and the superior arc-shaped half-group polishing part in the present invention, in the state of being separated.
[0019] The attached diagram lists the components represented by each number as follows:
[0020] 1. Frame; 2. Drive unit; 3. Polishing assembly; 4. Support shaft; 5. Auxiliary wheel; 6. Gear ring; 7. Handle; 8. Push-button switch; 9. High-pressure blower; 10. Pressure pipeline; 31. Superior arc-shaped half-set polishing parts; 32. Inferior arc-shaped half-set polishing parts; 201. Drive motor; 202. First gear; 203. Drive gear; 311. Superior arc-shaped half-track ring; 312. Superior arc-shaped half-mounting tube; 313. Superior arc-shaped half-polishing cotton; 321. Inferior arc-shaped half-track ring; 322. Inferior arc-shaped half-mounting tube; 323. Inferior arc-shaped half-polishing cotton. Detailed Implementation
[0021] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.
[0022] like Figures 1-5 As shown, a pressure pipeline surface polishing device includes a frame 1, a drive device 2 and a high-pressure blower 9 on the frame 1, and a polishing component 3 movably mounted on the frame 1. The high-pressure blower 9 is located on one side of the polishing component 3. The polishing component 3 includes a superior arc-shaped half-set polishing part 31 and a inferior arc-shaped half-set polishing part 32. The superior arc-shaped half-set polishing part 31 and the inferior arc-shaped half-set polishing part 32 form a complete tubular polishing component 3. The contact surfaces of the superior arc-shaped half-set polishing part 31 and the inferior arc-shaped half-set polishing part 32 are fitted together with zero tolerance. The polishing cotton of the superior arc-shaped half-set polishing part 31 and the inferior arc-shaped half-set polishing part 32 is located on the inner wall of the tubular component.
[0023] like Figures 1-5 As shown, in this invention, the opening of the superior arc-shaped semi-finished polishing component 31 is fitted onto the pressure pipe 10, which has been used for a long time and is now fixedly installed. Then, the inferior arc-shaped semi-finished polishing component 32 is tightly fitted to the superior arc-shaped semi-finished polishing component 31 and secured with bolts. After installation, the center of gravity of the polishing assembly 3 is located at the center point. Then, the drive device 2 is activated, causing the polishing assembly 3 to rotate at high speed. The pipe is polished by the arc-shaped polishing cotton on the inner wall. In this embodiment, a high-pressure blower 9 is also installed at one end of the polishing assembly 3 to blow the polishing debris out from the other end. In this invention, the direction of rotation of the polishing cotton is the same as the circumferential direction of the pressure pipe 10 surface, thus enabling the pressure pipe 10 to be polished evenly. By manually adjusting the angle of the polishing device relative to the pressure pipe 10, the entire outer surface of the pressure pipe 10 can be polished. Simultaneously, it can move forward sequentially along the pressure pipe 10 to polish the entire section of the pressure pipe 10. This improves the polishing effect on the pressure pipe 10.
[0024] Preferably, the frame 1 is provided with four sets of opposing support shafts 4, each set of support shafts 4 has two shafts, and the two support shafts 4 in each set are arranged opposite each other. The ends of the support shafts 4 are connected to auxiliary rotating wheels 5 through bearings. The superior arc-shaped semi-set polishing part 31 includes a superior arc-shaped semi-track ring 311, and the inferior arc-shaped semi-set polishing part 32 includes an inferior arc-shaped semi-track ring 321. The superior arc-shaped semi-track ring 311 and the inferior arc-shaped semi-track ring 321 have slide rails on both sides. The end of the auxiliary rotating wheel 5 extends into the slide rail. The outer wall of the rotating wheel is adapted to the inner wall of the slide rail. The outer wall of the superior arc-shaped semi-track ring 311 and the inferior arc-shaped semi-track ring 321 has toothed rings 6 in the middle, and the contact point of the superior arc-shaped semi-track ring 311 and the inferior arc-shaped semi-track ring 321 forms a complete single tooth.
[0025] In this invention, when the driving device 2 drives the track ring composed of the superior arc-shaped semi-track ring 311 and the inferior arc-shaped semi-track ring 321, the auxiliary rotating wheel 5 plays an auxiliary support role in the high-speed rotation of the track ring, thereby ensuring the stability of the track ring rotation and thus ensuring the stability of the polishing assembly 3 rotation.
[0026] like Figures 1-5 As shown, in this utility model, when the inferior arc-shaped half-set polishing component 32 is not installed, as the superior arc-shaped half-set polishing component 31 rotates, four sets of auxiliary rotating wheels 5 rotate out from the opening of the superior arc-shaped half-set polishing component 31, so that the superior arc-shaped half-set polishing component 31 can be removed and detached.
[0027] Preferably, a superior arc-shaped semi-mounting tube 312 is fixedly connected to the inner wall of the superior arc-shaped semi-mounting tube 311, and a superior arc-shaped semi-polishing cotton 313 is detachably installed on the inner wall of the superior arc-shaped semi-mounting tube 312 by bolts; a inferior arc-shaped semi-mounting tube 322 is fixedly connected to the inner wall of the inferior arc-shaped semi-mounting tube 322, and an inferior arc-shaped semi-polishing cotton 323 is detachably installed on the inner wall of the inferior arc-shaped semi-mounting tube 322 by bolts. The superior arc-shaped semi-mounting tube 312 and the inferior arc-shaped semi-mounting tube 322 are connected by bolts, and the connection between the superior arc-shaped semi-mounting tube 312 and the inferior arc-shaped semi-mounting tube 322 is tightly fitted. The circumference of the outer ring of the longitudinal section of the superior arc-shaped semi-polishing cotton 313 is greater than the circumference of the outer ring of the longitudinal section of the superior arc-shaped semi-mounting tube 312; the circumference of the outer ring of the longitudinal section of the inferior arc-shaped semi-polishing cotton 323 is less than the circumference of the outer ring of the longitudinal section of the inferior arc-shaped semi-mounting tube 322, and the contact points of the superior arc-shaped semi-polishing cotton 313 and the inferior arc-shaped semi-polishing cotton 323 are tightly fitted.
[0028] like Figures 1-5 As shown, in this utility model, both the superior arc-shaped semi-mounting tube 312 and the inferior arc-shaped semi-polishing cotton 323 include an arc-shaped substrate and polishing cotton installed on the inner wall of the arc-shaped substrate. The outer wall of the substrate is in contact with the inner wall of the mounting tube, and the polishing cotton is stably connected to the mounting tube by screwing the bolt from the outside of the mounting tube. It can also realize the replacement of polishing cotton.
[0029] Preferably, the drive device 2 includes a drive motor 201 mounted on the frame 1 and a first gear 202 movably mounted on the frame 1. The output end of the drive motor 201 is provided with a drive gear 203, which meshes with the first gear 202. The first gear 202 meshes with the toothed ring 6. The frame 1 is provided with two handles 7, and each of the two handles 7 is equipped with a push-button switch 8.
[0030] like Figures 1-5 As shown, in this utility model, by holding the handle 7 with both hands and pressing the two button switches 8 simultaneously, the drive motor 201 is started, thereby the active gear 203 drives the first gear 202 to rotate. The first gear 202 drives the track ring composed of the superior arc semi-track ring 311 and the inferior arc semi-track ring 321 to rotate at high speed through the toothed ring 6, which in turn drives the complete installation tube composed of the superior arc semi-installation tube 312 and the inferior arc semi-installation tube 322 to rotate, which in turn drives the complete polishing cotton composed of the superior arc semi-polishing cotton 313 and the inferior arc semi-polishing cotton 323 to rotate, polishing the outer surface of the pressure pipe 10.
[0031] like Figures 1-5 As shown, the working principle of this utility model is as follows: The superior arc-shaped semi-finished polishing component 31 is fitted onto the pressure pipe 10, which has been used for a long time and is now fixedly installed. Then, the inferior arc-shaped semi-finished polishing component 32 is tightly fitted to the superior arc-shaped semi-finished polishing component 31 and secured with bolts. After installation, the center of gravity of the polishing assembly 3 is located at the center point. Holding the handle 7 with both hands, the drive motor 201 is started by simultaneously pressing two button switches 8. This causes the drive gear 203 to drive the first gear 202 to rotate. The first gear 202 drives the track ring composed of the superior arc-shaped semi-track ring 311 and the inferior arc-shaped semi-track ring 321 to rotate at high speed through the toothed ring 6, thereby driving the superior arc-shaped semi-mounting pipe 312 and... The complete mounting tube, composed of the inferior arc-shaped semi-mounting tube 322, rotates, thereby driving the complete polishing cotton, composed of the superior arc-shaped semi-polishing cotton 313 and the inferior arc-shaped semi-polishing cotton 323, to rotate, polishing the outer surface of the pressure pipe 10. A high-pressure blower 9 is also installed at one end of the polishing assembly 3, which can blow out the polishing debris from the other end. In this invention, the direction of rotation of the polishing cotton is the same as the circumferential direction of the pressure pipe 10 surface, thus enabling the smooth polishing of the pressure pipe 10. By manually adjusting the angle of the polishing device relative to the pressure pipe 10, the entire outer surface of the pressure pipe 10 can be polished. Simultaneously, it can move forward sequentially along the pressure pipe 10 to polish the entire section of the pressure pipe 10. This improves the polishing effect of the pressure pipe 10.
[0032] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.
Claims
1. A pressure pipeline surface polishing device, characterized in that: The assembly includes a frame (1), on which a drive device (2) and a high-pressure blower (9) are provided. A polishing component (3) is movably provided on the frame (1). The high-pressure blower (9) is located on one side of the polishing component (3). The polishing component (3) includes a superior arc-shaped half-set polishing part (31) and a inferior arc-shaped half-set polishing part (32). The superior arc-shaped half-set polishing part (31) and the inferior arc-shaped half-set polishing part (32) form a complete tubular polishing component (3). The superior arc-shaped half-set polishing part (31) and the inferior arc-shaped half-set polishing part (32) are fitted together with zero tolerance at their contact surfaces. The polishing cotton of the superior arc-shaped half-set polishing part (31) and the inferior arc-shaped half-set polishing part (32) is located on the inner wall of the tubular assembly.
2. The pressure pipeline surface polishing device according to claim 1, characterized in that: The frame (1) is provided with four sets of opposing support shafts (4), each set of support shafts (4) has two, and the two support shafts (4) in each set are arranged opposite to each other. The ends of the support shafts (4) are connected to auxiliary rotating wheels (5) through bearings.
3. The pressure pipeline surface polishing device according to claim 2, characterized in that: The superior arc-shaped semi-circular polishing component (31) includes a superior arc-shaped semi-circular track ring (311), and the inferior arc-shaped semi-circular polishing component (32) includes an inferior arc-shaped semi-circular track ring (321). The superior arc-shaped semi-circular track ring (311) and the inferior arc-shaped semi-circular track ring (321) have slide rails on both sides. The end of the auxiliary rotating wheel (5) extends into the slide rail. The outer wall of the rotating wheel is adapted to the inner wall of the slide rail. The outer wall of the superior arc-shaped semi-circular track ring (311) and the inferior arc-shaped semi-circular track ring (321) has toothed rings (6) in the middle. The contact point of the superior arc-shaped semi-circular track ring (311) and the inferior arc-shaped semi-circular track ring (321) forms a complete single tooth.
4. The pressure pipeline surface polishing device according to claim 3, characterized in that: The inner wall of the superior arc-shaped semi-track ring (311) is fixedly connected to a superior arc-shaped semi-installation tube (312), and the inner wall of the superior arc-shaped semi-installation tube (312) is detachably installed with a superior arc-shaped semi-polishing cotton (313) by bolts; the inner wall of the inferior arc-shaped semi-track ring (321) is fixedly connected to an inferior arc-shaped semi-installation tube (322), and the inner wall of the inferior arc-shaped semi-installation tube (322) is detachably installed with an inferior arc-shaped semi-polishing cotton (323) by bolts.
5. The pressure pipeline surface polishing device according to claim 4, characterized in that: The superior arc-shaped semi-installation tube (312) and the inferior arc-shaped semi-installation tube (322) are connected by bolts. The superior arc-shaped semi-installation tube (312) and the inferior arc-shaped semi-installation tube (322) are tightly fitted together. The circumference of the outer ring of the longitudinal section of the superior arc-shaped semi-polishing cotton (313) is greater than that of the outer ring of the longitudinal section of the superior arc-shaped semi-installation tube (312). The circumference of the outer ring of the longitudinal section of the inferior arc-shaped semi-polishing cotton (323) is less than that of the outer ring of the longitudinal section of the inferior arc-shaped semi-installation tube (322). The superior arc-shaped semi-polishing cotton (313) and the inferior arc-shaped semi-polishing cotton (323) are tightly fitted together at the contact point.
6. The pressure pipeline surface polishing device according to claim 5, characterized in that: The drive device (2) includes a drive motor (201) mounted on the frame (1) and a first gear (202) movably mounted on the frame (1). The output end of the drive motor (201) is provided with a drive gear (203). The drive gear (203) meshes with the first gear (202), and the first gear (202) meshes with the toothed ring (6).
7. A pressure pipeline surface polishing device according to claim 6, characterized in that: The frame (1) is provided with two handles (7), and each of the two handles (7) is equipped with a push-button switch (8).