Polishing device for welding seam of sludge tower

By installing a slide rail and slider structure on the outside of the sludge tower, the problem that existing weld grinding devices are not suitable for sludge towers has been solved, and efficient and accurate weld grinding has been achieved.

CN223876690UActive Publication Date: 2026-02-06GUANGDONG MINGCHENG ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202520312808.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-06
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing weld grinding equipment is not suitable for large annular devices such as sludge towers, and lacks a limiting and guiding structure, resulting in low grinding efficiency.

Method used

Install upper and lower opposing slide rails on the outside of the sludge tower. The slide rails are equipped with limit grooves and sliders. The grinder is fixed on the slider. The slider drives the grinder to move along the periphery of the sludge tower. The limit blocks and limit grooves prevent the slider from falling. The slide rails guide the grinder to ensure accuracy.

Benefits of technology

It improves the accuracy and efficiency of sludge tower weld grinding, reduces manpower consumption, and is suitable for large-scale annular devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of sludge tower processing, in particular to a sludge tower welding seam polishing device which comprises a polishing machine and a sludge tower. The outer side of the sludge tower is provided with a grinding machine with a grinding disc tightly attached to the welding seam, the outer side of the sludge tower is sleeved with the two sliding rails which are vertically opposite, the welding seam is arranged between the two sliding rails, the opposite sides of sliding grooves of the sliding rails are provided with limiting grooves, the sliding blocks are movably connected into the sliding grooves, and the limiting blocks are movably connected into the limiting grooves; the limiting blocks are fixedly connected to the sliding blocks, and the grinding machine is movably connected between the two sliding blocks. The two annular sliding rails which are opposite up and down with the welding seam position as the midpoint and tightly attached to the outer wall of the sludge tower are installed on the sludge tower, the grinding machine is fixed to the sliding blocks matched with the sliding grooves in the sliding rails, the sliding rails can play a guiding role, and the sliding blocks drive the grinding machine to move along the periphery of the sludge tower to grind the surface of the welding seam. The limiting blocks and the limiting grooves can prevent the sliding blocks from falling from the sliding grooves.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of sludge tower processing, specifically relates to the polishing device of sludge tower weld joint. BACKGROUND

[0002] In sewage treatment, often need to use sludge tower to the sludge in sewage is handled, with the organic matter in sludge, generate organic fertilizer and marsh gas, sludge tower needs to be stacked after the tower pipe of segmented construction goes up and down and is welded, and then needs to use the polishing device to polish the weld joint after welding is completed.

[0003] At present, the existing weld joint polishing device is not applicable to the large annular device such as sludge tower, does not have a limiting guide structure, and needs to repeatedly adjust the position of the polishing device when polishing, resulting in that a large amount of time and manpower is consumed for polishing the weld joint of the sludge tower, and the sludge tower processing efficiency is relatively low.

[0004] Therefore, in view of the problem that the existing weld joint polishing device does not have a limiting guide structure and is not applicable to the large annular device such as sludge tower, a polishing device for sludge tower weld joint can be designed, the upper and lower opposite sliding rails are fixed on the outer side of the sludge tower, the sliding block is movably connected in the sliding groove of the sliding rail, the polishing machine is installed below the sliding block, and the sliding rail and the sliding block can limit and guide the polishing machine to move annularly along the edge of the sludge tower, thereby improving the polishing efficiency. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the problem that the existing weld joint polishing device does not have a limiting guide structure and is not applicable to the large annular device such as sludge tower.

[0006] The technical scheme of the utility model is as follows: a polishing device for sludge tower weld joint, comprising a polishing machine and a sludge tower, further comprising sliding rails and sliding blocks, the polishing machine is arranged on the outer side of the sludge tower and abuts against the weld joint, two upper and lower opposite sliding rails are sleeved on the outer side of the sludge tower, the weld joint is arranged between the two sliding rails, a limiting groove is formed in the opposite side of the sliding groove of the sliding rail, a sliding block matched with the sliding groove is movably connected in the sliding groove, a limiting block matched with the limiting groove is movably connected in the limiting groove, the limiting block is fixedly connected to the sliding block, and the polishing machine is movably connected between the two sliding blocks.

[0007] Preferably, the two annular sliding rails abutting against the outer wall of the sludge tower are arranged on the sludge tower with the weld joint position as the midpoint, the polishing machine is fixed on the sliding block matched with the sliding groove in the sliding rail, the sliding rail can guide the polishing machine, the sliding block can drive the polishing machine to move along the periphery of the sludge tower, the surface of the weld joint is polished, deviation is avoided, and the limiting block and the limiting groove can prevent the sliding block from falling out of the sliding groove.

[0008] The one end of the slide rail is fixedly connected with a first fixing seat, and the other end of the slide rail is fixedly connected with a second fixing seat opposite to the first fixing seat.

[0009] The first fixing seat and the second fixing seat are provided with penetrating holes, and the bolt passes through the first fixing seat and the second fixing seat in sequence, and the bolt is screwed with a nut close to the second fixing seat.

[0010] The inner side of the slide rail is attached with an anti-collision sponge pad close to the outer wall of the sludge tower.

[0011] The polishing machine is fixedly connected with left-right opposite rotating shafts, and the opposite side of the sliding block is provided with rotating holes matched with the rotating shafts.

[0012] The polishing machine is provided with a grinding disc at the bottom end, and the polishing machine is provided with a motor, and the output end of the motor is fixedly connected to the grinding disc.

[0013] The polishing machine is fixedly connected with a handle ring on one side, and the handle ring is fixedly connected with a skin-friendly ergonomic sponge pad.

[0014] The polishing device has the advantages that:

[0015] The polishing device has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The first three-dimensional structure of the polishing device for the sludge tower weld is shown.

[0017] Figure 2 The first three-dimensional structure of the polishing device for the sludge tower weld is shown.

[0018] Figure 3 The first three-dimensional structure of the polishing device for the sludge tower weld is shown.

[0019] Figure 4 The first three-dimensional structure of the polishing device for the sludge tower weld is shown.

[0020] Explanation of reference numerals in the attached diagram: 1. Grinding machine; 2. Slide rail; 3. Slider; 4. Limiting groove; 5. Limiting block; 6. Fixing seat No. 1; 7. Fixing seat No. 2; 8. Through hole; 9. Anti-collision sponge pad; 10. Rotating shaft; 11. Rotating hole; 12. Grinding disc; 13. Motor; 14. Grip ring; 15. Ergonomic sponge pad. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4 This utility model provides an embodiment: a grinding device for the weld of a sludge tower includes a grinding machine 1 and a sludge tower; it also includes a slide rail 2 and a slider 3. A grinding disc 12 is installed on the outside of the sludge tower, which is in close contact with the weld of the grinding machine 1. Two slide rails 2 are sleeved on the outside of the sludge tower, with the weld located between the two slide rails 2. A limiting groove 4 is opened on the opposite side of the sliding groove of the slide rail 2. A slider 3 that matches the sliding groove is movably connected in the sliding groove. A limiting block 5 that matches the limiting groove 4 is movably connected in the limiting groove 4. The limiting block 5 is fixed. The grinding machine 1 is fixedly connected to the slider 3, and movably connected between the two sliders 3. By installing two annular slide rails 2 on the sludge tower with the weld position as the midpoint and closely attached to the outer wall of the sludge tower, the grinding machine 1 is fixed on the slider 3 that matches the inner groove of the slide rail 2. The slide rail 2 can guide the grinding machine 1, and the slider 3 can drive the grinding machine 1 to move along the outer perimeter of the sludge tower to grind the weld surface and avoid deviation. The limiting block 5 and the limiting groove 4 can prevent the slider 3 from falling out of the groove.

[0023] Please see Figures 1-3 In this embodiment, a first fixing seat 6 is fixedly connected to one end of the slide rail 2, and a second fixing seat 7, which is opposite to the first fixing seat 6, is fixedly connected to the other end of the slide rail 2. By changing the gap between the first fixing seat 6 and the second fixing seat 7, they are made to fit tightly against the outside of the sludge tower. Both the first fixing seat 6 and the second fixing seat 7 are provided with through holes 8. Bolts pass through the first fixing seat 6 and the second fixing seat 7 in sequence. The outer end of the bolt is fitted with a nut that fits tightly against the second fixing seat 7. After tightening the nut, the first fixing seat 6 and the second fixing seat 7 can apply pressure to the sludge tower from the outside of the sludge tower, so that it is fixed to the outside of the sludge tower. An anti-collision sponge pad 9 is bonded to the inner side of the slide rail 2 and is tightly attached to the outer wall of the sludge tower. The anti-collision sponge pad 9 is soft and has a certain elasticity, which can play a buffering role, reduce the external force on the sludge tower when fixing the slide rail 2, and prevent the sludge tower from being damaged by fixing the slide rail 2.

[0024] Please see Figure 2 and Figure 4In the embodiment, the polishing machine 1 is fixedly connected with left and right opposite rotating shafts 10, the sliding block 3 is provided with rotating holes 11 matched with the rotating shafts 10 on the opposite side, the rotating shafts 10 rotate in the rotating holes 11 to change the angle of the polishing machine 1 and the grinding disc 12 at the lower end of the polishing machine 1, so that the angle of the polishing machine 1 can be changed according to the height and width of the weld, the grinding disc 12 is tightly attached to the weld, and the weld is polished, the bottom end of the polishing machine 1 is provided with the grinding disc 12, the polishing machine 1 is provided with a motor 13, the output end of the motor 13 is fixedly connected to the grinding disc 12, the grinding disc 12 can be driven to rotate at high speed by the motor 13, the size of the bottom end grinding disc 12 can be replaced according to the width of the weld, the grinding disc 12 can be replaced with different mesh numbers to polish multiple times, the surface of the sludge tower is smoother, one side of the polishing machine 1 is fixedly connected with a handle ring 14, a skin-friendly ergonomic sponge pad 15 is fixedly connected in the handle ring 14, the polishing machine 1 is pushed to move the sliding block 3 by pushing the handle ring 14, the sliding block 3 moves along the sliding groove under the limitation of the limiting groove 4, the polishing machine 1 moves around the sludge tower, and the skin-friendly ergonomic sponge pad 15 conforms to ergonomics to improve the comfort of the staff holding the handle ring 14.

[0025] When working, first, the staff clamps the one side fixed ring on the outside of the sludge tower so that the one side fixed ring is located above the weld of the sludge tower, then the bolt passes through the holes in the first fixed seat 6 and the second fixed seat 7, the head of the bolt is tightly attached to the first fixed seat 6, then the nut is screwed to be tightly attached to the second fixed seat 7 for fixation, the anti-collision sponge pad 9 is deformed by being pressed, and a buffer is formed between the sliding rail 2 and the sludge tower, then the grinding disc 12 is connected to the output end of the motor 13 passing through the polishing machine 1, the rotating shaft 10 on one side of the polishing machine 1 is inserted into the rotating hole 11 on the sliding block 3, then the second sliding rail 2 is taken out and clamped below the sludge tower, then the sliding block 3 is moved to slowly adjust the second sliding rail 2 up and down, so that the rotating shaft 10 on the other side of the polishing machine 1 is inserted into the hole groove, then the bolt is inserted into the through groove in the first fixed seat 6 and the second fixed seat 7 of the second sliding rail 2, and the nut is tightened for fixation.

[0026] The staff starts the motor 13, then holds the handle ring 14 to push the polishing machine 1 to move, the two sliding blocks 3 fixedly connected to the limiting block 5 and connected by the polishing machine 1 move along the sliding rail 2 outside the sludge tower under the limitation of the limiting groove 4 and the limiting block 5, in the process of polishing, the staff can rotate the polishing machine 1, the angle of the grinding disc 12 is changed by rotating the rotating shaft 10 in the rotating hole 11, so that the grinding disc 12 polishes the weld with different heights, after polishing along the sliding rail 2, some nuts can be slightly loosened, the two sliding rails 2 are rotated on the sludge tower, the place originally blocked by the first fixed block and the second fixed block is exposed, and then the place is fixed again to polish the weld.

[0027] Through the above-mentioned steps, the two annular slide rails 2 that are close to the outer wall of the sludge tower and are opposite to each other with the weld position as the midpoint are installed on the sludge tower, the grinder 1 is fixed on the sliding block 3 matched with the sliding groove in the slide rail 2, the sliding block 3 can drive the grinder 1 to move along the periphery of the sludge tower, the weld surface is polished, the limiting block 5 and the limiting groove 4 can prevent the sliding block 3 from falling out of the sliding groove, the slide rail 2 can guide the grinder 1 and avoid deviation, and the polishing accuracy is improved, so that the problem that the existing weld polishing device does not have a limiting and guiding structure and is not suitable for the large annular device such as the sludge tower is solved.

Claims

1. A device for grinding a weld of a sludge tower, comprising a grinder (1) and a sludge tower; characterized in that: Also include the slide rail (2) and the sliding block (3), the outside of the sludge tower is provided with the grinding disc (12) close to the weld polishing machine (1), the outside of the sludge tower is sleeved with two slide rails (2) opposite to each other, the weld is arranged between the two slide rails (2), the sliding groove of the slide rail (2) is provided with a limiting groove (4) on the opposite side, the sliding groove is movably connected with the sliding block (3) matched with the sliding groove, the limiting groove (4) is movably connected with the limiting block (4) matched with the limiting groove (4), the limiting block (5) is fixedly connected to the sliding block (3), and the polishing machine (1) is movably connected between the two sliding blocks (3).

2. The sludge tower weld polishing apparatus of claim 1, wherein: One end of the slide rail (2) is fixedly connected with a first fixed seat (6), and the other end of the slide rail (2) is fixedly connected with a second fixed seat (7) opposite to the first fixed seat (6).

3. The sludge column weld polishing apparatus of claim 2, wherein: The first fixed seat (6) and the second fixed seat (7) are provided with through holes (8), and the bolts pass through the first fixed seat (6) and the second fixed seat (7) in sequence, and the outer end of the bolt is matched with the nut close to the second fixed seat (7).

4. The sludge tower weld polishing apparatus of claim 1, wherein: The inside of the slide rail (2) is bonded with the anti-collision sponge pad (9) close to the outer wall of the sludge tower.

5. The sludge tower weld polishing apparatus of claim 1, wherein: The polishing machine (1) is fixedly connected with left and right opposite rotating shafts (10), and the opposite side of the sliding block (3) is provided with rotating holes (11) matched with the rotating shafts (10).

6. The sludge tower weld polishing apparatus of claim 1, wherein: The bottom end of the polishing machine (1) is provided with a grinding disc (12), and the polishing machine (1) is provided with a motor (13), and the output end of the motor (13) is fixedly connected to the grinding disc (12).

7. The sludge tower weld polishing apparatus of claim 1, wherein: One side of the polishing machine (1) is fixedly connected with a handle ring (14), and the handle ring (14) is fixedly connected with a skin-friendly ergonomic sponge pad (15) inside.