Automatic rust removal device for inner wall of pipeline

By integrating the travel, rust removal, and cleaning mechanisms into an automatic rust removal device, the problem of existing equipment being unable to simultaneously clean rust residue has been solved, achieving automated cleaning of the inner wall of the pipeline, reducing maintenance costs and improving efficiency.

CN224011954UActive Publication Date: 2026-03-20CHINA CONSTR FIRST GRP THE SECOND CONSTR +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing automatic rust removal equipment cannot clean rust residue in a timely manner, causing rust residue to accumulate in the pipes, requiring manual handling, which increases maintenance costs and workload.

Method used

An automatic rust removal device for the inner wall of a pipeline was designed, comprising a traveling mechanism, a rust removal mechanism, and a cleaning mechanism. It can automatically remove rust and simultaneously clean rust residue. The rust removal mechanism removes rust from the inner wall of the pipeline, while the cleaning mechanism cleans up the rust residue. This integrated operation reduces manual intervention.

Benefits of technology

It enables automated cleaning and maintenance of the pipe inner wall, reducing maintenance costs, improving work efficiency, and reducing the amount of manual cleaning of rust.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic derusting device for the inner wall of pipeline, including advancing mechanism, derusting mechanism and sweeping mechanism, the two advancing mechanisms are arranged in front and back corresponding and are used for driving the device to move, the derusting mechanism is arranged between the two advancing mechanisms and is used for derusting the inner wall of the pipeline, and the sweeping mechanism is used for sweeping the inner wall of the pipeline. The rust removal mechanism and the advancing mechanisms are coaxially arranged, and the sweeping mechanism is arranged behind the advancing mechanism on the rear side and used for sweeping rust slag. The rust removal structure is arranged on the advancing mechanism to achieve automatic rust removal work on the inner wall of the pipeline, the sweeping structure is arranged on the advancing mechanism to sweep rust slag, comprehensive operation of rust removal and sweeping is achieved, manual cleaning is not needed, the maintenance cost of the pipeline is greatly reduced, and work efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline rust removal technical field, concretely relates to a kind of automatic rust removal device for pipeline inner wall. BACKGROUND

[0002] After long time operation, steel pipeline will be corroded, and the rust removal of inner wall of pipeline is one of the key points of maintenance work. For the pipeline that cannot be cleaned manually, robots are generally used for rust removal. The technical solutions of CN116251801B and CN113290481A both disclose devices for automatically cleaning the inner wall of the pipeline, effectively improving the efficiency of pipeline maintenance and reducing costs. However, the existing automatic rust removal equipment can only remove rust, and generally cannot clean the rust slag processed simultaneously. The rust slag accumulated in the pipeline still needs to be manually processed, so the existing automatic rust removal device still has certain defects. Therefore, an automatic rust removal equipment with both rust removal and automatic cleaning functions is needed. The automatic rust removal device for pipeline inner wall provided by the utility model has the above functions. SUMMARY

[0003] The utility model provides a kind of automatic rust removal device for pipeline inner wall, with automatic rust removal and synchronous automatic cleaning function, realize the automatic cleaning maintenance work of pipeline.

[0004] The utility model provides a kind of automatic rust removal device for pipeline inner wall, with automatic rust removal and synchronous automatic cleaning function, realize the automatic cleaning maintenance work of pipeline.

[0005] An automatic rust removal device for pipeline inner wall, comprising a traveling mechanism, a rust removal mechanism, and a cleaning mechanism. The traveling mechanism is arranged in pairs at the front and rear of the device for driving movement. The rust removal mechanism is arranged between the two traveling mechanisms for rust removal of the inner wall of the pipeline. The rust removal mechanism is coaxially arranged with the traveling mechanism. The cleaning mechanism is arranged behind the rear traveling mechanism for cleaning rust slag.

[0006] The rust removal mechanism comprises a power structure, a driving spindle, and a rust removal assembly. The power structure is arranged on one of the traveling mechanisms. The driving spindle is arranged on the output shaft of the power structure and connected with the other traveling mechanism. The rust removal assembly is arranged on the driving spindle in intervals.

[0007] Further, the rust removal assembly comprises a mounting rod and a rust removal plate. The rust removal plate is arranged on the driving spindle through the mounting rod. The mounting rod comprises a mounting rod, an adjusting rod, and a positioning ring. The adjusting rod is arranged on the driving spindle. The mounting rod is arranged in the adjusting rod. The positioning ring is arranged outside the adjusting rod. The inner end of the mounting rod is clamped in the positioning ring.

[0008] Further, the rust removal plate comprises a mounting plate, a rust scraping plate and a rust removal brush, the mounting plate is arranged on the outer end of the mounting rod, the rust scraping plate and the rust removal brush are arranged on the outer surface of the mounting plate, and the rust removal brush is arranged on both sides of the rust scraping plate.

[0009] Further, the side wall of the adjusting rod is provided with a sliding groove, the inner end of the mounting rod is provided with a sliding block, the sliding block is located in the sliding groove, and the two positioning rings are arranged outside the adjusting rod and are connected through threads.

[0010] Further, the traveling mechanism comprises a base and a moving assembly, the moving assembly is arranged on the base in a spaced mode, the moving assembly comprises a placing cylinder, an extension rod, an extension spring and a moving wheel, the placing cylinder is arranged in the base, the extension rod is arranged in the placing cylinder, the extension spring is arranged in the placing cylinder and connected with the inner end of the extension rod, the extension rod has an outward tendency when being pushed, and the moving wheel is arranged on the outer end of the extension rod and in contact with the inner wall of the pipeline.

[0011] Further, the inner wall of the placing cylinder is provided with a limiting block, and the outer wall of the extension rod is provided with a limiting groove, and the limiting block is located in the limiting groove.

[0012] Further, the cleaning mechanism comprises a blower and a dust collector, the blower is arranged on the traveling mechanism at the rear side and located at the rear side of the traveling mechanism, and the dust collector is arranged at the rear side of the blower.

[0013] Further, the cleaning mechanism further comprises a mounting frame, the mounting frame is arranged on the traveling mechanism at the rear side, the blower is movably arranged on the mounting frame, and the dust collector is fixedly arranged on the mounting frame.

[0014] Further, the traveling mechanism is provided with a control line, and the traveling mechanism, the rust removal mechanism and the cleaning mechanism are powered through the control line.

[0015] The utility model has the advantages that:

[0016] The rust removal structure is arranged on the traveling mechanism to realize automatic rust removal work on the inner wall of the pipeline, the cleaning structure is arranged on the traveling mechanism to clean rust residues, comprehensive operation of rust removal and cleaning is realized, manual cleaning is not needed, the cost of pipeline maintenance is greatly reduced, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a structure schematic view of the traveling mechanism of the utility model;

[0019] Figure 3The utility model discloses a mounting rod piece's structure schematic view.

[0020] Figure 4 The utility model discloses a rust removal plate piece's structure schematic view.

[0021] Fig. 1, traveling mechanism;11, base;12, place cylinder;13, telescopic rod;14, telescopic spring;15, moving wheel;2, rust removal mechanism;21, power structure;22, drive main shaft;23, mounting rod piece;231, mounting rod;232, adjusting rod;233, positioning ring;234, sliding slot;235, sliding block;24, rust removal plate piece;241, mounting plate;242, rust scraping plate;243, rust removal brush;3, cleaning mechanism;31, blower;32, dust collector;33, mounting frame. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the specification. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0024] As Figure 1 As shown in the figure, an automatic rust removal device for pipeline inner wall, including traveling mechanism 1, rust removal mechanism 2 and cleaning mechanism 3, two traveling mechanism 1 are correspondingly set up before and after, for driving device movement, rust removal mechanism 2 is established between two traveling mechanism 1, for the rust removal of pipeline inner wall, rust removal mechanism 2 is coaxially arranged with traveling mechanism 1, cleaning mechanism 3 is established behind the traveling mechanism 1 of rear side, for cleaning rust residue.

[0025] The utility model discloses set up two travelling mechanism 1 as support and installation foundation, set the rust removal mechanism 2 between two travelling mechanism 1, utilize two travelling mechanism 1 to support and firm to it, provide support force to the rust removal mechanism 2 and make it can complete the rust removal operation, and the support effect of two travelling mechanism 1 of before and after makes it keep stable when rust removal operation, set up the device after the cleaning mechanism 3 side, clean the rust slag cleaned down, keep the clean of pipeline, need not manual cleaning, greatly reduce the work load and promote operation efficiency.

[0026] Two travelling mechanism 1 of before and after play the support effect, simultaneously as walking mechanism drive entire rust removal device movement, set up the rust removal mechanism 2 on travelling mechanism 1 play the effect of rust removal cleaning to pipeline inner wall, the cleaning mechanism 3 to the rust slag cleaned down carry out the effect of cleaning collection;When travelling mechanism 1 drive rust removal device advance, the rust removal mechanism 2 carries out rotation and carries out the rust removal operation to pipeline inner wall, and through rotation realizes the rust removal of pipeline inner wall all around, and the rust slag cleaned down is collected and cleaned through the cleaning mechanism 3, and is taken out pipeline outside, need not manual operation.

[0027] As Figure 1 Shown, the rust removal mechanism 2 includes power structure 21, drive main shaft 22 and rust removal assembly, the power structure 21 is located one of travelling mechanism 1, provides power, the drive main shaft 22 is located the output shaft of power structure 21, and is connected with another travelling mechanism 1, the rust removal assembly is evenly spaced and set up on drive main shaft 22, drive main shaft 22 is erected between two travelling mechanism 1, as the installation foundation of rust removal assembly and power input, drive main shaft 22 is driven by power structure 21 and drives rust removal assembly to rotate around the shaft.

[0028] The front end of drive main shaft 22 is movably connected with the travelling mechanism 1 of front side through bearing, and the rear end of drive main shaft 22 is connected on the output shaft of power structure 21, drive main shaft 22 is transmission shaft, has the effect of connecting before and after travelling mechanism 1, will not drive before and after travelling mechanism 1 to rotate, and as the installation foundation of rust removal assembly, the power structure 21 is fixedly arranged on the travelling mechanism 1 of rear side.

[0029] As Figure 1 、 3As shown, further, the rust removal assembly comprises a mounting rod 23 and a rust removal plate 24, the rust removal plate 24 is arranged on the driving main shaft 22 through the mounting rod 23, the mounting rod 23 serves as a mounting base of the rust removal plate 24, the mounting rod 23 has the function of adjusting height to adapt to the inner diameter of the pipeline, and is convenient for disassembly and storage; the mounting rod 23 comprises a mounting rod 231, an adjusting rod 232 and a positioning ring 233, the adjusting rod 232 is fixedly arranged on the driving main shaft 22, the mounting rod 231 is arranged in the adjusting rod 232 and can move up and down along the axial direction of the adjusting rod 232, the positioning ring 233 is arranged outside the adjusting rod 232 and can move along the adjusting rod 232, and the inner end of the mounting rod 231 is clamped in the positioning ring 233, the position of the mounting rod 231 is adjusted and limited by the positioning ring 233.

[0030] The adjusting principle and operation of the mounting rod 23 are as follows: the positioning ring 233 is sleeved on the adjusting rod 232 through threaded connection, the positioning ring 233 is moved up and down on the adjusting rod 232 by rotating the positioning ring 233, the mounting rod 231 is arranged in the adjusting rod 232 and has a tendency to move up and down along the axial direction of the adjusting rod 232, the inner end of the mounting rod 231 is provided with a sliding block 235, a sliding groove 234 is arranged on the side wall of the adjusting rod 232 along the axial direction of the adjusting rod 232, the sliding block 235 is located in the sliding groove 234 and can move along the sliding groove 234, the two positioning rings 233 clamp the sliding block 235 in the middle to limit and fix the sliding block 235, thereby limiting and fixing the mounting rod 231, when the position of the positioning ring 233 on the adjusting rod 232 is adjusted, the position of the sliding block 235 is changed, thereby adjusting the mounting position of the mounting rod 231. When the mounting rod 231 is adjusted outward, first rotate the positioning ring 233 located on the outer side to move outward and in place, then pull the mounting rod 231 outward so that the sliding block 235 contacts the positioning ring 233 on the outer side, then rotate the positioning ring 233 located on the inner side to contact the sliding block 235, and then clamp the sliding block 235 to realize the outward adjustment of the mounting rod 231; the mounting rod 231 can be adjusted inward by adopting the opposite operation.

[0031] As shown in Figure 4 , further, the rust removal plate 24 comprises a mounting plate 241, a rust scraping plate 242 and a rust removal brush 243, the mounting plate 241 is arranged on the outer end of the mounting rod 231, the rust scraping plate 242 and the rust removal brush 243 are arranged on the mounting plate 241, Figure 1 , 2As shown, the rust removal brush 243 is arranged on the outer surface of the mounting plate 241, and the rust removal brush 243 is arranged on both sides of the rust scraping plate 242. The rust scraping plate 242 scrapes the rust on the inner wall of the pipeline, and the rust removal brush 243 cleans the rust adhered to the inner wall of the pipeline. The rust scraping plate 242 and the rust removal brush 243 work together to clean the rust on the inner wall of the pipeline.

[0032] As shown in Figure 2 Further, the traveling mechanism 1 comprises a base 11 and a moving assembly, and the moving assembly is uniformly spaced on the base 11. Each base 11 is provided with three groups of moving assemblies. The moving assembly comprises a placing cylinder 12, an extension rod 13, an extension spring 14 and a moving wheel 15. The placing cylinder 12 is arranged in the base 11 and is used to accommodate the extension rod 13 and the extension spring 14. The extension rod 13 is arranged in the placing cylinder 12. The extension spring 14 is arranged in the placing cylinder 12 and is connected with the inner end of the extension rod 13. The extension spring 14 pushes the extension rod 13 to have an outward tendency. The moving wheel 15 is arranged at the outer end of the extension rod 13 and is in contact with the inner wall of the pipeline.

[0033] Since the inner wall of the pipeline is not smooth after rusting, the moving assembly is arranged in an extendable structure. When the moving assembly passes through the rust area, the rust will press the moving wheel 15, thereby driving the extension rod 13 to press the extension spring 14 to shrink inward, so as to keep the moving wheel 15 in contact with the inner wall of the pipeline. After passing through the rust area, the extension spring 14 pushes the extension rod 13 outward, so that the moving wheel 15 is still in contact with the inner wall of the pipeline. Through the above design, the moving wheel 15 can keep contact with the inner wall of the pipeline at any time.

[0034] Further, the moving wheel 15 is provided with a driving motor for driving the moving wheel 15 to rotate, thereby driving the traveling mechanism 1 to move.

[0035] As shown in Figure 2 Further, a limiting block is arranged on the inner wall of the placing cylinder 12, and a limiting groove is arranged on the outer wall of the extension rod 13. The limiting block is located in the limiting groove and limits the installation angle of the extension rod 13, so that the moving wheel 15 is installed to face the axial direction of the pipeline.

[0036] Preferably, two limiting blocks are arranged on both sides of the placing cylinder 12, and the limiting grooves are also arranged in pairs and correspond to the positions of the limiting blocks.

[0037] As shown in Figure 1 Further, the cleaning mechanism 3 comprises a blower 31 and a dust collector 32. The blower 31 is arranged on the traveling mechanism 1 at the rear side and is located at the rear side of the traveling mechanism 1. The blower 31 is used to blow up the rust removed, so as to facilitate the dust collector 32 to suck up. The dust collector 32 is arranged at the rear side of the blower 31.

[0038] like Figure 1 As shown, the cleaning mechanism 3 further includes a mounting frame 33, which is mounted on the traveling mechanism 1 located at the rear. The blower 31 is movably mounted on the mounting frame 33 via a bearing and is always in a free-falling state to blow away the rust residue falling to the bottom of the pipe. The vacuum cleaner 32 is fixedly mounted on the mounting frame 33.

[0039] Preferably, the vacuum cleaner 32 is provided with an annular suction port, and the blower 31 has its air outlet at the bottom. The blower 31 is movably mounted on the mounting bracket 33 and is always in a free-falling state, so that the air outlet of the blower 31 is always aligned with the bottom of the pipe, thereby blowing away the rust residue that has fallen to the bottom of the pipe.

[0040] Furthermore, the traveling mechanism 1 is equipped with a control line, which supplies power to the traveling mechanism 1, the rust removal mechanism 2, and the cleaning mechanism 3.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An automatic rust removal device for the inner wall of a pipe, characterized in that: It includes a traveling mechanism (1), a rust removal mechanism (2) and a cleaning mechanism (3). Two traveling mechanisms (1) are arranged in front and behind each other to drive the device to move. The rust removal mechanism (2) is located between the two traveling mechanisms (1) and is used to remove rust from the inner wall of the pipe. The rust removal mechanism (2) is coaxially arranged with the traveling mechanism (1). The cleaning mechanism (3) is located behind the traveling mechanism (1) on the rear side and is used to clean rust residue. The rust removal mechanism (2) includes a power structure (21), a drive spindle (22) and rust removal components. The power structure (21) is mounted on one of the traveling mechanisms (1). The drive spindle (22) is mounted on the output shaft of the power structure (21) and connected to the other traveling mechanism (1). The rust removal components are spaced apart on the drive spindle (22).

2. The automatic rust removal device for the inner wall of a pipeline according to claim 1, characterized in that: The rust removal assembly includes a mounting rod (23) and a rust removal plate (24). The rust removal plate (24) is mounted on the drive spindle (22) via the mounting rod (23). The mounting rod (23) includes a mounting rod (231), an adjusting rod (232), and a positioning ring (233). The adjusting rod (232) is mounted on the drive spindle (22). The mounting rod (231) is located in the adjusting rod (232). The positioning ring (233) is located outside the adjusting rod (232). The inner end of the mounting rod (231) is engaged in the positioning ring (233).

3. An automatic rust removal device for the inner wall of a pipeline according to claim 2, characterized in that: The rust removal plate (24) includes a mounting plate (241), a rust scraper (242), and a rust removal brush (243). The mounting plate (241) is disposed on the outer end of the mounting rod (231). The rust scraper (242) and the rust removal brush (243) are disposed on the outer surface of the mounting plate (241). The rust removal brush (243) is disposed on both sides of the rust scraper (242).

4. An automatic rust removal device for the inner wall of a pipeline according to claim 2, characterized in that: The adjusting rod (232) has a sliding groove (234) on its side wall, and the inner end of the mounting rod (231) has a slider (235). The slider (235) is located in the sliding groove (234). Two positioning rings (233) are provided and are connected to the outside of the adjusting rod (232) by threads. The slider (235) is located between the two positioning rings (233).

5. An automatic rust removal device for the inner wall of a pipeline according to claim 1, characterized in that: The traveling mechanism (1) includes a base (11) and a moving component. The moving component is spaced apart on the base (11). The moving component includes a placement cylinder (12), a telescopic rod (13), a telescopic spring (14), and a moving wheel (15). The placement cylinder (12) is located in the base (11). The telescopic rod (13) is located in the placement cylinder (12). The telescopic spring (14) is located in the placement cylinder (12) and is connected to the inner end of the telescopic rod (13) to push the telescopic rod (13) to have an outward tendency. The moving wheel (15) is located at the outer end of the telescopic rod (13) and contacts the inner wall of the pipe.

6. An automatic rust removal device for the inner wall of a pipeline according to claim 5, characterized in that: The inner wall of the placement cylinder (12) is provided with a limiting block, and the outer wall of the telescopic rod (13) is provided with a limiting groove, and the limiting block is located in the limiting groove.

7. An automatic rust removal device for the inner wall of a pipeline according to claim 1, characterized in that: The cleaning mechanism (3) includes a blower (31) and a vacuum cleaner (32). The blower (31) is mounted on the rear side of the traveling mechanism (1) and is located behind the traveling mechanism (1). The vacuum cleaner (32) is located behind the blower (31).

8. An automatic rust removal device for the inner wall of a pipeline according to claim 7, characterized in that: The cleaning mechanism (3) also includes a mounting bracket (33), which is mounted on the traveling mechanism (1) located at the rear. The blower (31) is movably mounted on the mounting bracket (33), and the vacuum cleaner (32) is fixedly mounted on the mounting bracket (33).

9. An automatic rust removal device for the inner wall of a pipeline according to claim 1, characterized in that: The traveling mechanism (1) is equipped with a control line, which supplies power to the traveling mechanism (1), the rust removal mechanism (2) and the cleaning mechanism (3).

Citation Information

Patent Citations

  • Automatic derusting and polishing device for inner walls of pipelines

    CN113290481A

  • Pressure Pipeline Inner Wall Rust Removal Robot

    CN116251801B