Pipeline polishing and derusting machine
By designing and driving the motor to drive the reverse rotation of the gearbox and turntable, combined with the adjustment of the telescopic rod, efficient grinding and rust removal of the inner wall of the pipe is achieved, solving the problems of large physical consumption and poor adaptability of workers in the existing technology, and is suitable for different diameters pipeline.
Patent Information
- Application Number
- CN202421002753.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-10
AI Technical Summary
In the prior art, when the worker's hand-held grinder grinder grinder grinder grinder grinder grinder grinds in the inner wall of a long pipe, it is difficult to effectively remove rust and difficult to adapt to the needs of different pipe diameters.
A pipe grinding and rust removal machine is designed. By driving the motor to drive the gear box and the turntable to rotate in the opposite direction, the relative rotation of the first and second polishing parts can be used to achieve grinding and rust removal of the inner wall of the pipe, and adapt to different adjustments by the telescopic rod. Pipe diameter, ensure that the wire brush is close to the surface of the pipe.
It improves the efficiency and effect of grinding and rust removal in the inner wall of the pipe, reduces the physical strength consumption of workers, can adapt to pipes of different diameters, and significantly improves the grinding efficiency and effect.
Smart Images
Figure CN222200059U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline maintenance, in particular to a pipeline grinding and rust removal machine. Background Art
[0002] With the development of industrial modernization, various pipelines are increasingly used in actual production and life. For example, in the fields of petrochemicals, urban water supply and drainage, marine engineering, aerospace, etc. The use of pipelines facilitates the orderly transmission of various substances and brings convenience to our production and life. However, due to the long-term contact between the substances transmitted in the pipeline and the pipeline, it is easy to cause corrosion of the inner wall of the pipeline, which seriously affects the service life of the pipeline and increases the cost of use. Therefore, it is very necessary to process the inner wall of the pipeline by coating to improve its corrosion resistance.
[0003] At present, the traditional grinding methods for large pipes include manual grinding with ordinary grinding machines or precise honing of the inner wall of the pipe using a honing machine. However, due to the long length of the pipe, workers holding a handheld grinder to grind inside the pipe are not easy to turn around due to the small space, which consumes a lot of physical strength, the workers' work intensity is very high, and the grinding efficiency is not high. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a pipeline grinding and rust removal machine, which overcomes the shortcomings of the prior art and has a reasonable design. A driving motor can drive the first rotating disk and the second rotating disk to rotate in opposite directions relative to each other, so that the first grinding member and the second grinding member can cooperate to rotate in opposite directions relative to each other, thereby effectively ensuring the effect of grinding and rust removal on the inner wall of the pipeline. The axial positions of the first telescopic rod and the second telescopic rod can be adjusted to adapt to pipelines of different diameters.
[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0006] A pipeline grinding and derusting machine comprises a mobile trolley, a gear box is arranged at the front end of the mobile trolley, a driving shaft is rotatably connected in the gear box through a bearing, a first driving gear and a second driving gear are respectively installed on the driving shaft, one end of the driving shaft passes through the gear box and is installed with a driving gear, the driving gear is drivingly connected with the driving end of a driving motor, an outer sleeve is installed on the front side of the gear box through a bearing, a central shaft is movably installed in the inner cavity of the outer sleeve, one end of the central shaft passes through the outer sleeve and is rotatably connected to the rear side of the gear box through a bearing; a first driven gear and a second driven gear are respectively installed on the outer surface of the outer sleeve and the outer surface of the central shaft, the first driven gear is meshed with the first driving gear, and the second driven gear is connected with the second driving gear through a chain transmission;
[0007] The front end of the outer sleeve passes through the gear box and is fixedly installed with a first turntable, the other end of the central shaft passes through the outer sleeve and is fixedly installed with a second turntable, a plurality of first grinding pieces are evenly installed on the outer edge of the first turntable, and a plurality of second grinding pieces are evenly installed on the outer edge of the second turntable.
[0008] Preferably, the first grinding member comprises a first telescopic rod and a first grinding disc, a plurality of first articulated sleeves are evenly installed at the edge of the front side of the first rotating disc, a first locking bolt is threadedly connected to the outer surface of the first articulated sleeve, the first telescopic rod is movably inserted in the first articulated sleeve, the locking end of the first locking bolt abuts against the outer surface of the first telescopic rod, the first grinding disc is installed at the end of the first telescopic rod, and a wire brush is installed on the outer surface of the first grinding disc;
[0009] The second grinding member includes a second telescopic rod and a second grinding disc. A plurality of second articulated sleeves are evenly installed on the edge of the front side of the second turntable. A second locking bolt is threadedly connected to the outer surface of the second articulated sleeve. The second telescopic rod is movably inserted into the second articulated sleeve. The locking end of the second locking bolt abuts against the outer surface of the second telescopic rod. The second grinding disc is installed at the end of the second telescopic rod. A wire brush is installed on the outer surface of the second grinding disc.
[0010] Preferably, the first rotating disk is provided with first springs, the number of the first springs is equal to the number of the first telescopic rods, one end of the first spring is connected to the through hole on the surface of the first rotating disk, and the other end of the first spring is respectively connected to one end of the corresponding first telescopic rod away from the first grinding disk;
[0011] The second turntable is provided with a second spring, the number of the second springs is equal to the number of the second telescopic rods, one end of the second spring is connected to the through hole on the surface of the second turntable, and the other end of the second spring is respectively connected to one end of the corresponding second telescopic rod away from the second grinding disc.
[0012] Preferably, a rotating shaft seat is installed on the back of the first grinding disc and the second grinding disc, and the end of the first telescopic rod and the end of the second telescopic rod are respectively movably installed in the rotating shaft seat through the rotating shaft.
[0013] Preferably, a limiting ring is provided on the outer surface of the central shaft, the limiting ring is located at the rear end of the outer sleeve, and a thrust ball bearing is installed between the limiting ring and the outer sleeve.
[0014] The utility model provides a pipeline grinding and rust removal machine. It has the following beneficial effects: the driving end of the driving motor drives the driving gear to rotate, and then drives the driving shaft to rotate forward, and then the first driven gear is meshed with the first driving gear, so that the outer sleeve can be driven to reverse; and the second driven gear and the second driving gear are connected through the chain transmission, so that the central shaft can be driven to rotate forward; so that the outer sleeve and the central shaft rotate in opposite directions; and then the first turntable and the second turntable are respectively driven to rotate in opposite directions, so that the first grinding piece and the second grinding piece rotate in opposite directions, so that the effect of grinding and rust removal on the inner wall of the pipeline can be further guaranteed. And according to the diameter of different pipelines, the axial position of the first telescopic rod and the second telescopic rod can be adjusted so that the wire brush is close to the pipeline, and then the grinding and rust removal effect is effectively guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings required for describing the prior art are briefly introduced below.
[0016] Figure 1 A schematic diagram of the structure of the utility model;
[0017] Figure 2 A schematic cross-sectional view of the gearbox in the utility model;
[0018] Figure 3 A schematic diagram of the cross-sectional structure of the gearbox in the utility model;
[0019] Figure 4 A schematic diagram of the partial structure of the first grinding piece and the second grinding piece in the utility model;
[0020] Description of the numbers in the figure:
[0021] 1. Mobile trolley; 2. Gearbox; 3. Driving shaft; 4. First driving gear; 5. Second driving gear; 6. Driving gear; 7. Outer bushing; 8. Center shaft; 9. First driven gear; 10. Second driven gear; 11. First turntable; 12. Second turntable; 13. First grinding piece; 14. Second grinding piece; 15. First telescopic rod; 16. First grinding disc; 17. First joint sleeve; 18. Wire brush; 19. Second telescopic rod; 20. Second grinding disc; 21. Second joint sleeve; 22. First spring; 23. Second spring; 81. Limiting ring; 82. Thrust ball bearing. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention.
[0023] Embodiment 1, as Figure 1-4 As shown, a pipeline grinding and derusting machine comprises a mobile trolley 1, a gear box 2 is arranged at the front end of the mobile trolley 1, a driving shaft 3 is rotatably connected in the gear box 2 through a bearing, a first driving gear 4 and a second driving gear 5 are respectively installed on the driving shaft 3, one end of the driving shaft 3 passes through the gear box 2 and is installed with a driving gear 6, the driving gear 6 is drivingly connected to the driving end of the driving motor, an outer sleeve 7 is installed on the front side of the gear box 2 through a bearing, a central shaft 8 is movably installed in the inner cavity of the outer sleeve 7, one end of the central shaft 8 passes through the outer sleeve 7 and is rotatably connected to the rear side of the gear box 2 through a bearing; a first driven gear 9 and a second driven gear 10 are respectively installed on the outer surface of the outer sleeve 7 and the outer surface of the central shaft 8, the first driven gear 9 is meshed with the first driving gear 4, and the second driven gear 10 is connected to the second driving gear 5 through a chain transmission;
[0024] The front end of the outer sleeve 7 passes through the gear box 2 and is fixedly installed with a first turntable 11, the other end of the center shaft 8 passes through the outer sleeve 7 and is fixedly installed with a second turntable 12, a plurality of first grinding pieces 13 are evenly installed on the outer edge of the first turntable 11, and a plurality of second grinding pieces 14 are evenly installed on the outer edge of the second turntable 12.
[0025] Working principle:
[0026] When in use, first place the entire mobile trolley 1 at the entrance of the pipeline that needs to be derusted, then adjust the first grinding piece 13 and the second grinding piece 14 so that the wire brush 18 is close to the construction pipeline, and then start the driving motor, and drive the driving gear 6 to rotate through the driving end of the driving motor, and then drive the driving shaft 3 to rotate forward, and then through the meshing of the first driven gear 9 and the first driving gear 4, the outer sleeve 7 can be driven to reverse; and through the second driven gear 10 and the second driving gear 5 through the chain transmission connection, the central shaft 8 can be driven to rotate forward; so that the outer sleeve 7 and the central shaft 8 rotate in relatively opposite directions; and then drive the first turntable 11 and the second turntable 12 to rotate in relatively opposite directions respectively, and then the first grinding piece 13 and the second grinding piece 14 installed on the first turntable 11 and the second turntable 12 can be used to grind and remove rust on the inner wall of the pipeline; and through the cooperation of the first grinding piece 13 and the second grinding piece 14 rotating in relatively opposite directions, the effect of grinding and removing rust on the inner wall of the pipeline can be further guaranteed. In addition, during the grinding and rust removal process, the movable carriage 1 can be controlled to move slowly along the axial direction of the pipeline. In this embodiment, the movable carriage 1 can be driven to move by a servo motor to achieve grinding and rust removal of the entire pipeline.
[0027] Embodiment 2, as a further preferred embodiment of embodiment 1, the first grinding member 13 includes a first telescopic rod 15 and a first grinding disc 16, a plurality of first articulated sleeves 17 are evenly installed at the edge of the front side of the first rotating disc 11, the outer surface of the first articulated sleeve 17 is connected with a first locking bolt through a thread, the first telescopic rod 15 is movably inserted in the first articulated sleeve 17, the locking end of the first locking bolt is against the outer surface of the first telescopic rod 15, the first grinding disc 16 is installed at the end of the first telescopic rod 15, and a wire brush 18 is installed on the outer surface of the first grinding disc 16;
[0028] The second grinding member 14 includes a second telescopic rod 19 and a second grinding disc 20. A plurality of second articulated sleeves 21 are evenly installed on the edge of the front side of the second turntable 12. The outer surface of the second articulated sleeve 21 is threadedly connected with a second locking bolt. The second telescopic rod 19 is movably inserted into the second articulated sleeve 21. The locking end of the second locking bolt abuts against the outer surface of the second telescopic rod 19. The second grinding disc 20 is installed at the end of the second telescopic rod 19. A wire brush 18 is installed on the outer surface of the second grinding disc 20.
[0029] Before grinding and rust removal, the axial positions of the first telescopic rod 15 and the second telescopic rod 19 can be adjusted according to the diameter of different pipes, so that the wire brush 18 is closely attached to the pipe, and then the first telescopic rod 15 and the second telescopic rod 19 are respectively fixed in the first articulated sleeve 17 and the second articulated sleeve 21 by the first locking bolt and the second locking bolt. This ensures that the wire brush 18 is always closely attached to the pipe during the grinding and rust removal process, thereby effectively ensuring the grinding and rust removal effect.
[0030] Embodiment 3, as a further preferred embodiment of Embodiment 2, first springs 22 are provided on the first rotating disk 11, the number of the first springs 22 is equal to the number of the first telescopic rods 15, one end of the first spring 22 is connected to the through hole on the surface of the first rotating disk 11, and the other end of the first spring 22 is respectively connected to one end of the corresponding first telescopic rod 15 away from the first grinding disk 16;
[0031] Second springs 23 are provided on the second turntable 12, and the number of the second springs 23 is equal to the number of the second telescopic rods 19. One end of the second spring 23 is connected to the through hole on the surface of the second turntable 12, and the other end of the second spring 23 is respectively connected to one end of the corresponding second telescopic rod 19 away from the second grinding disc 20.
[0032] In this embodiment, the first telescopic rod 15 and the second telescopic rod 19 are both set at an eccentric angle, and the first spring 22 and the second spring 23 respectively apply an elastic pulling force to the ends of the first telescopic rod 15 and the second telescopic rod 19, so that the other end of the first telescopic rod 15 and the other end of the second telescopic rod 19 always have an outward force, and then the first grinding disc 16 and the second grinding disc 20 always have an outward expansion force, thereby effectively ensuring that the wire brush 18 can be tightly attached to the pipe.
[0033] Embodiment 4, as a further preferred embodiment of embodiment 2, a rotating shaft seat is installed on the back of the first grinding disc 16 and the second grinding disc 20, and the end of the first telescopic rod 15 and the end of the second telescopic rod 19 are respectively installed in the rotating shaft seat through the rotating shaft. The rotating shaft seat allows the first grinding disc 16 and the second grinding disc 20 to have a certain degree of rotational freedom, so that it is convenient to perform adaptive angle adjustment when grinding and derusting the inner wall of pipes with different diameters.
[0034] Embodiment 5, as a further preferred solution of embodiment 1, a limit ring 81 is provided on the outer surface of the central shaft 8, the limit ring 81 is located at the rear end of the outer sleeve 7, and a thrust ball bearing 82 is installed between the limit ring 81 and the outer sleeve 7. The thrust ball bearing 82 can not only limit the axial position between the central shaft 8 and the outer sleeve 7, but also ensure that the central shaft 8 and the outer sleeve 7 can rotate stably relative to each other.
[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A pipeline grinding and rust removal machine, characterized in that: The invention comprises a mobile trolley (1), wherein a gear box (2) is arranged at the front end of the mobile trolley (1), a driving shaft (3) is rotatably connected to the gear box (2) via a bearing, a first driving gear (4) and a second driving gear (5) are respectively mounted on the driving shaft (3), one end of the driving shaft (3) passes through the gear box (2) and is mounted with a driving gear (6), the driving gear (6) is drivingly connected to the driving end of the driving motor, and an outer shaft sleeve (7) is mounted on the front side of the gear box (2) via a bearing. ), a central shaft (8) is movably mounted in the inner cavity of the outer sleeve (7), one end of the central shaft (8) passes through the outer sleeve (7) and is rotatably connected to the rear side of the gear box (2) through a bearing; a first driven gear (9) and a second driven gear (10) are respectively mounted on the outer surface of the outer sleeve (7) and the outer surface of the central shaft (8), the first driven gear (9) is meshed with the first driving gear (4), and the second driven gear (10) is connected to the second driving gear (5) through a chain transmission; The front end of the outer sleeve (7) passes through the gear box (2) and is fixedly mounted with a first turntable (11); the other end of the central shaft (8) passes through the outer sleeve (7) and is fixedly mounted with a second turntable (12); a plurality of first grinding members (13) are evenly mounted on the outer edge of the first turntable (11); and a plurality of second grinding members (14) are evenly mounted on the outer edge of the second turntable (12).
2. A pipeline grinding and descaling machine according to claim 1, characterized in that: The first grinding member (13) comprises a first telescopic rod (15) and a first grinding disc (16); a plurality of first articulated sleeves (17) are evenly installed at the edge of the front side of the first rotating disc (11); a first locking bolt is connected to the outer surface of the first articulated sleeve (17) through a thread; the first telescopic rod (15) is movably inserted into the first articulated sleeve (17); a locking end of the first locking bolt abuts against the outer surface of the first telescopic rod (15); the first grinding disc (16) is installed at the end of the first telescopic rod (15); and a wire brush (18) is installed on the outer surface of the first grinding disc (16); The second grinding member (14) comprises a second telescopic rod (19) and a second grinding disc (20); a plurality of second articulated sleeves (21) are evenly installed at the edge of the front side of the second rotating disc (12); a second locking bolt is threadedly connected to the outer surface of the second articulated sleeve (21); the second telescopic rod (19) is movably inserted into the second articulated sleeve (21); a locking end of the second locking bolt abuts against the outer surface of the second telescopic rod (19); the second grinding disc (20) is installed at the end of the second telescopic rod (19); and a wire brush (18) is installed on the outer surface of the second grinding disc (20).
3. A pipeline grinding and derusting machine according to claim 2, characterized in that: The first rotating disk (11) is provided with a first spring (22), the number of the first springs (22) is equal to the number of the first telescopic rods (15), one end of the first spring (22) is connected to a through hole on the surface of the first rotating disk (11), and the other end of the first spring (22) is respectively connected to an end of the corresponding first telescopic rod (15) away from the first grinding disk (16); The second rotating disk (12) is provided with a second spring (23), the number of the second springs (23) is equal to the number of the second telescopic rods (19), one end of the second spring (23) is connected to a through hole on the surface of the second rotating disk (12), and the other end of the second spring (23) is respectively connected to one end of the corresponding second telescopic rod (19) away from the second grinding disk (20).
4. A pipeline grinding and derusting machine according to claim 2, characterized in that: A rotating shaft seat is installed on the back of the first grinding disc (16) and the second grinding disc (20), and the end of the first telescopic rod (15) and the end of the second telescopic rod (19) are respectively installed in the rotating shaft seat through a rotating shaft.
5. The pipeline grinding and derusting machine according to claim 1, characterized in that: A limiting ring (81) is provided on the outer surface of the central shaft (8), the limiting ring (81) is located at the rear end of the outer shaft sleeve (7), and a thrust ball bearing (82) is installed between the limiting ring (81) and the outer shaft sleeve (7).