CN117103072A - Modularized self-adaptive pipeline inner wall rust removing device and application method thereof - Google Patents
Modularized self-adaptive pipeline inner wall rust removing device and application method thereof Download PDFInfo
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- CN117103072A CN117103072A CN202311030114.6A CN202311030114A CN117103072A CN 117103072 A CN117103072 A CN 117103072A CN 202311030114 A CN202311030114 A CN 202311030114A CN 117103072 A CN117103072 A CN 117103072A
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- pipeline
- subassembly
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005498 polishing Methods 0.000 claims abstract description 52
- 238000005507 spraying Methods 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 239000000126 substance Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 13
- 238000002161 passivation Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002262 Schiff base Substances 0.000 description 2
- 150000004753 Schiff bases Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
A modularized self-adaptive pipeline inner wall rust removing device and a using method thereof are provided, a polishing rust removing assembly with a dust collecting device is connected with a spraying rust removing assembly through a universal connector, a rust removing motor at the head part of the polishing rust removing assembly is started, a steel brush and a guide wheel rotate to complete the removal of floating rust on the inner wall of a pipe and the guiding of the device, a driving motor is started to drive a driving wheel to rotate, then the device moves, the spraying rust removing device is started to remove stubborn rust on the spraying rust remover on the inner wall of the pipeline, a passivation protection film is formed, a V-shaped baffle is arranged on the polishing rust removing assembly and the chemical spraying assembly, a through hole is arranged between the head part and the V-shaped baffle, the tail part of the assembly is provided with a pipeline connected with a dust collector, and the ground rust residue and sprayed rust remover residual liquid and rust residue mixture are discharged through negative pressure provided by the dust collector and the V-shaped baffle. The method improves the rust removal efficiency by combining polishing rust removal and chemical spraying rust removal.
Description
Technical Field
The invention belongs to the technical field of rust removal of inner walls of pipelines, and particularly relates to a modularized self-adaptive pipeline inner wall rust removal device and a using method thereof.
Background
The large-scale tubular steel structure of outdoor service, the interior surface is in contact with the transportation medium for a long time and is easy to oxidize and corrode to form a layer of corrosion layer, and the corrosion rate of the steel structure surface can be accelerated by the rust layer which is usually loose and absorbs moisture, so that the service life of the steel structure is seriously influenced.
The existing steel structure surface rust removing method comprises sand blasting, mechanical polishing, laser rust removing, chemical rust removing and the like, but has advantages and disadvantages. If sand blasting and rust removal are performed, the rust removal effect is good, but the noise is large, the labor cost is high, and the sprayed powder is easy to pollute the environment; mechanical polishing is low in cost, but poor in rust removal consistency and low in efficiency; laser rust removal is high in rust removal efficiency, but equipment cost is high. One of the common chemical rust removal methods is to use inorganic acid to acid-wash the rust area, which has low cost and good rust removal effect, but causes great environmental pollution and easily causes hydrogen embrittlement in the rust area to reduce the mechanical property of the steel structure.
Through investigation, chinese patent publication No. CN115350853a, "derusting spraying device in coastal buried pipeline", the second connecting disc slidingly connected with the outer side of the hollow guide rod is fixed with one end of the pipeline through a fixing mechanism, the motor fixedly connected with the outer side of the second connecting disc through a connecting plate is started, the gear at the output end is driven to rotate by the motor, the gear can drive the rack engaged with and connected with the outer side to move during rotation, the rack is fixed on the outer side of the hollow guide rod, the gear drives the hollow guide rod to automatically slide on the inner side of the second connecting disc, the sliding stability of the hollow guide rod is improved under the action of the limiting strip, the hollow guide rod pushes the hollow screw rod and the first connecting disc to move towards the inner side of the pipeline, the rotary spray head and the steel wire brush head are arranged on the other side of the first connecting disc, the uniform advancing effect of the rotary spray head and the steel wire brush head can be achieved through controlling the rotation speed of the motor, the uniform spraying thickness is ensured, the derusting spraying precision is improved, and the inner curved surface derusting and anticorrosion efficiency of the pipeline is improved. The pipeline rust removing device comprises a main body, a first cavity, a bidirectional motor, a movable block, a first gear, a second gear, a first rotating shaft, a track, a guide rod, a sliding block, a steel brush, a fixed rod, a compression spring, a limiting rod, a through groove, a second cavity, a first bevel gear, a first sleeve, a second bevel gear, a third connecting rod, a limiting block, a limiting groove and the like. According to the invention, through setting centrifugal force, the guide rod and the compression spring to be matched, the two sliding blocks are pushed to be away from each other, the contact between the steel brush and the inner wall of the pipeline can be ensured according to the inner diameter of the pipeline, the rust removing radius of the device can be automatically adjusted according to the pipe diameter, the using effect of the device is ensured, and the second connecting rod drives the movable rod to move towards the inside of the fourth cavity. The Chinese patent No. CN202011435256.7 discloses a high-efficiency environment-friendly rust remover, a preparation method and application thereof, and discloses a chemical rust removing method, wherein the rust remover consists of HEDP, p-toluenesulfonic acid, citric acid, phosphoric acid, water, schiff base, corrosion inhibitors and auxiliaries, the specific percentages are 10.1-16.2% of organic acid, 5-9% of phosphoric acid, 0.5-1% of Schiff base, 0.1-0.5% of corrosion inhibitors, 1-5% of auxiliaries and the balance of water, the rust remover can rapidly remove floating rust and heavy rust on the surface of steel and oxide skin with different degrees, can reduce hydrogen embrittlement on the surface of a base material, but lacks protection on the surface after rust removal, and is easy to produce secondary rust after rust removal.
The rust removing method still has great limitation on rust removal of the inner wall of the nonlinear pipeline and the discharge of rust residues, and the device has a complex structure. It is therefore desirable to develop a modular, adaptive pipeline inner wall rust removal device.
Disclosure of Invention
The invention aims at solving the defects existing in the prior art, and provides a modularized self-adaptive pipeline inner rust removing device which aims at solving the problems of the prior pipeline inner rust removing, rust slag discharging and high working difficulty in the prior art.
Another object of the present invention is to provide a method for using the modular adaptive in-pipe rust removal device described above.
In order to achieve the primary purpose, the invention provides the following technical scheme that the modularized self-adaptive pipeline inner wall rust removing device comprises a polishing rust removing assembly and a chemical spraying assembly, and is characterized in that: the utility model discloses a rust cleaning subassembly and chemical spraying subassembly main part of polishing, including rust cleaning subassembly and chemical spraying subassembly main part, rust cleaning subassembly and chemical spraying subassembly of polishing is hollow shell structure, rust cleaning subassembly and chemical spraying subassembly of polishing passes through universal head and connects, rust cleaning subassembly and chemical spraying subassembly main part front end of polishing is provided with first through-hole, first through-hole rear end is provided with V-arrangement baffle, be provided with the second through-hole in the middle of the V-arrangement baffle, first through-hole and second through-hole are connected with the dust catcher, subassembly main part rear end is provided with actuating system, rust cleaning subassembly head of polishing is provided with rust cleaning motor, rust cleaning motor axis of rotation end is provided with polishing system and guiding system, chemical spraying subassembly head sets up the rust remover shower nozzle.
Further, the V-shaped baffle is formed by reversely combining two conical rubber baffles, the outer edge diameter of the baffle is the same as the inner diameter of a treated pipeline, and the rubber conical baffles are detachably designed and fixed on the assembly main body through bolts.
Further, the actuating system comprises 3 be annular array drive module, contained angle is 120 between the drive module, drive module is provided with first base and second base, first base and second base pass through spring coupling, provide adhesive force for the drive wheel, first base passes through the bolt and is connected with the subassembly main part, the second base top sets up driving motor, the driving motor pivot is connected with the reducing gear box, the reducing gear box is connected with the drive wheel of coanda.
Further, the polishing system comprises 3 steel brushes which are annularly arranged, an included angle between the steel brushes is 120 degrees, the steel brushes are connected with a rust removal motor through a telescopic bracket, the telescopic bracket comprises an upper sleeve and a lower sleeve, the upper sleeve and the lower sleeve are internally provided with springs, a plurality of rectangular adjusting through holes are formed in the wall of the upper sleeve, and a positioning bolt is arranged at the outer edge of the lower sleeve and matched with the adjusting through holes.
Further, the guide system is composed of a guide rod and a pulley, the guide rod is connected with a rotating shaft of the rust removing motor, and the pulley is fixed at the top end of the guide rod.
Further, the rust remover spray head comprises 3 guide pipe brackets and spray nozzles, wherein the guide pipe brackets are annularly distributed, the guide pipe brackets are connected with the rust remover guide pipe, the spray nozzles are conical, and the included angle between the spray heads is 120 degrees.
Finally, the hollow shell structure presents a capsule-like structure.
In order to achieve the other purpose, the invention provides the following technical scheme, and the application method of any modularized self-adaptive pipeline inner wall rust removing device is characterized by comprising the following steps of: the rust removal module for polishing and removing rust is characterized in that polishing and removing rust is combined with chemical spraying rust removal, the rust removal module for polishing and removing rust primarily removes the blocky rust and the rust with larger grain size on the inner wall of the pipeline through a steel brush, the peeled rust is discharged through a guide pipe under the negative pressure produced by a dust collector, the chemical spraying rust removal adopts a rust remover to remove stubborn rust through spraying, a passivation film is formed on the inner wall of the pipeline, and the rust remover is discharged from the pipeline under the micro negative pressure produced by the dust collector after reacting with the inner wall of the pipeline.
Compared with the prior art, the invention has the advantages that:
1. the invention combines physical rust removal and spray rust removal by arranging the rotary steel brush and spraying the rust remover, thereby improving the rust removal efficiency. Firstly, the block-shaped rust on the inner wall of the pipeline is removed by a physical method, then the rust remover and the inner wall of the pipeline are subjected to chemical reaction, and a passivation film can be formed on the inner wall of the pipeline while the intractable rust is removed, so that the inner wall can be prevented from being corroded continuously.
2. According to the invention, the spring is arranged at the tail end of the rust removing motor, and the pulley is arranged at the tail end of the rotating shaft, so that the adaptability of the device to the nonlinear pipeline is improved by a simple and effective method; when the motor rotates, the pulley is driven to rotate at a high speed, when the pulley contacts the curve on the inner wall of the pipeline, the rotating pulley is firstly contacted with the outer side of the pipeline, the reaction force can cause the pulley to deflect towards the inner side of the curve, so that the rust removing assembly body is driven to rotate, at the moment, the spring on the inner side of the curve at the tail end of the motor is in an extrusion state, the spring on the outer side of the curve is in a stretching state, after the guide wheel and the driving motor pass through the curve, the motor and the guide wheel are changed into a state in which the inner wall of the pipeline is horizontal under the action of tension of the spring on the inner side and tension of the spring on the outer side, and the device starts to linearly advance.
3. According to the invention, two rubber conical baffles are reversely combined to form a group of V-shaped baffles, when the guide system drives the physical/spraying rust removing assembly to turn, the front baffle at the outer side of the bend and the rear baffle at the inner side of the bend are separated from the inner wall of the pipeline, but the diagonally opposite baffles can still be tightly contacted with the inner wall of the pipeline, so that the V-shaped baffles are separated front and back. When in rust removal, negative pressure is formed on only one side of the rust removal side, so that the efficiency of discharging the rust slag and the mixture of the rust remover and the rust slag is increased.
4. The driving system and the rust removing system are separated, can work synchronously/asynchronously, do not affect each other, and can adjust the advancing speed and the rust removing speed according to the rust condition in the pipeline.
5. The steel brush support, the V-shaped baffle and the driving system are all of detachable design, the length of the steel brush support, the height of the V-shaped baffle and the distance between the first base and the second base of the driving system can be properly selected/adjusted according to the inner diameter of a working pipeline, so that the steel brush support, the V-shaped baffle and the driving system are suitable for pipelines with different inner diameters, and the device is high in adaptability.
Drawings
Fig. 1 is a schematic structural diagram of a modular adaptive pipeline inner wall rust removal device provided by the invention.
Fig. 2 is a view showing a detachable V-shaped baffle structure according to the present invention.
Fig. 3 is a view showing a steel brush support structure with adjustable length according to the present invention.
Fig. 4 is a schematic diagram of a driving module structure according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Embodiment 1 referring to fig. 1-4, a modular self-adaptive pipeline inner wall rust removing device according to the present invention includes a polishing rust removing assembly 1 and a spraying rust removing assembly 2, wherein the polishing rust removing assembly 1 and the spraying rust removing assembly 2 are connected through a universal head 3;
the front end of the main body of the polishing and derusting component 1 is provided with a first through hole 4, the rear end of the first through hole 4 is provided with a V-shaped baffle 5, the middle of the V-shaped baffle 5 is provided with a second through hole 6, the V-shaped baffle 5 is fixed with the main body of the polishing and derusting component 1 through a bottom bolt 7, the rear end of the V-shaped baffle 5 is provided with a driving module 8, the driving module 8 is provided with a first base 9 and a second base 10, the first base 9 and the second base 10 are connected through a spring group 11, the first base 9 is connected with the polishing and derusting component 1 through a bolt 12, the second base 10 is provided with a driving motor 13, a rotating shaft of the driving motor 13 is connected with a reduction gearbox 14, the reduction gearbox 14 is connected with a driving wheel 15, a three-stage gear set is arranged in the reduction gearbox 14, a first-stage gear 16 is connected with the rotating shaft of the driving motor 13, a second-stage gear 17 is connected with the first-stage gear 16, the axis of a third-stage gear 18 is vertical to the first-stage gear 16, the third-stage gear 18 is connected with the second-stage gear 17, the third gear 18 is coaxially connected with the driving wheel 15, the third gear is an inclined 45 DEG gear, the rear end of the driving system 8 is provided with a dust collector pipeline 19, the pipeline 19 is connected with the first through hole 4 and the second through hole 6, the front end of the first through hole 4 is provided with a guide polishing system 20, the guide polishing system 20 is connected with the main body of the polishing rust removing assembly 1 by a spring group 21, the guide polishing system 20 consists of a driving motor 22, a steel brush support 23, a steel brush 24, a guide support 25 and a guide wheel 26, the rotating shaft of the driving motor 22 is connected with the steel brush support 23, the steel brush support 23 is connected with the steel brush 24, the steel brush support 23 is in circular arrangement, the tail end of the guide support 25 is connected with the rotating shaft of the driving motor 22, the head end of the guide support 25 is connected with the guide wheel 26, the steel brush support 23 consists of an upper sleeve 27 and a lower sleeve 28, a spring 29 is arranged between the upper sleeve 27 and the lower sleeve 28, a plurality of rectangular adjusting through holes 30 are formed in the wall of the upper sleeve 27, and positioning bolts 31 are arranged at corresponding positions of the lower sleeve 28 and are matched with the adjusting through holes 30;
the front end of the spraying rust removing component 2 is provided with a first through hole 32, the rear end of the first through hole 32 is provided with a V-shaped baffle 33, the middle of the V-shaped baffle 33 is provided with a second through hole 34, the V-shaped baffle 33 is fixed with the spraying rust removing component main body 2 through a bottom bolt 35, the rear end of the V-shaped baffle 33 is provided with a driving module 8, the rear end of the driving module 8 is provided with a dust collector pipeline 36 and a rust remover pipeline 37, the dust collector pipeline 36 is connected with the first through hole 32 and the second through hole 34, the front end of the first through hole 32 is provided with a spraying system 38, the spraying system 38 consists of a conduit bracket 39 and a spray head 40, the hollow conduit bracket 39 is connected with the rust remover conduit 37, the tail of the spraying rust removing component main body is provided with a pull ring 41, and the pull ring 41 is connected with a safety rope 42.
In the invention, the physical polishing and rust removing assembly 1 is arranged at the front, the chemical spraying and rust removing assembly 2 is arranged at the rear, the floating rust on the inner wall of the pipeline is removed by a polishing and rust removing method in the rust removing process, then the rust remover and the inner wall of the pipeline are subjected to chemical reaction to remove stubborn rust and form a protective layer, and the rust removing efficiency is improved by combining physical rust removal with chemical rust removal.
In the invention, a spring group 21 is arranged between a grinding rust removing assembly 1 and a guiding grinding system 20, a guide wheel 26 is arranged at the forefront end of the grinding guide system 20, when a driving motor 22 works, the guide wheel 26 rotates along with a rotating shaft of the motor 22, at a turning position of a pipeline, the guide wheel 26 is firstly contacted with the outer side of the curve, under the action of reverse thrust, the guide wheel 26, a guide bracket 23 and the motor 22 are pushed to the inner side of the curve, at the moment, the spring group 21 is in a compressed state by the spring at the inner side of the curve and the spring at the outer side of the curve, after the grinding rust removing assembly main body 1 passes through the curve, the guide wheel 26 is separated from the inner wall of the pipeline, the reaction force disappears, the stressed state of the guide system 20 is changed, the original spring at the inner side of the curve provides tension for the guide body 20, and the original spring at the outer side of the curve provides tension for the guide system 20, so that the guide system 20, namely the guide bracket 25 is in a state parallel to the inner wall of the pipeline, and the effect of automatic turning is achieved.
In the invention, the length of the steel brush support 23 can be adjusted through the adjusting through hole 30 on the upper sleeve 27 and the positioning bolt 31 on the lower sleeve 28, and the width of the adjusting through hole 30 is larger than that of the positioning bolt 31, so that the support 23 can move in a telescopic way within a certain range, and the supporting force is provided by the spring 29 in the support, so that the steel brush 24 at the end part of the support 23 is tightly connected with the inner wall of a pipeline, so as to adapt to pipelines with different inner diameters.
In the invention, a group of V-shaped baffles 5/V-shaped baffles 33 are formed by two rubber conical baffles, when the polishing guide system 20 turns, the front baffle at the outer side of the bend and the rear baffle at the inner side of the bend are separated from the inner wall of the pipeline, but the corresponding diagonally opposite baffles at the part can still be closely contacted with the inner wall of the pipeline, so that the V-shaped baffles are separated front and back. When in rust removal, negative pressure is formed on only one side of the rust removal side, so that the discharge efficiency of the rust slag/rust remover is increased.
According to the invention, the heights of the steel brush support 23, the V-shaped baffle plate and the spring group 11 in the driving system 8 in the polishing system 20 can be adjusted according to the inner diameter of the working pipeline, the driving module 8 and the rust removing system are separately designed, synchronous/asynchronous work can be realized, the synchronous/asynchronous work is not influenced, the feeding speed and the rust removing speed can be adjusted according to the modification condition in the pipeline, and the adaptability of the device is further improved.
The working principle and the using flow of the invention are as follows:
when in use, the polishing and derusting assembly 1 is connected with the spraying and derusting assembly 2, the front end of the main body of the polishing and derusting assembly 1 is provided with 4 first through holes 4, the first through holes 4 are annularly arranged at the outer edge of the polishing and derusting assembly 1, the included angle between the through holes is 90 degrees, a proper V-shaped baffle 5 is selected according to the inner diameter of a working pipeline, the V-shaped baffle 5 is arranged at the rear end of the first through hole 4, 4 second through holes 6 are arranged in the middle of the V-shaped baffle 5, the outer edge of the second through hole 6 is annularly arranged, the included angle between the through holes is 90 degrees, the V-shaped baffle 5 is fixed with the main body of the polishing and derusting assembly 1, the rear end of the V-shaped baffle 5 is provided with 3 driving modules 8, the outer edge of the driving module 8 is annularly arranged, the included angle between the modules is 120 degrees, a proper spring group 11 is selected according to the inner diameter of the pipeline, a first base 9 and a second base 10 of the driving system 8 are connected through the spring group 11, the first base 9 is connected with the polishing rust removing assembly 1, the second base 10 is fixedly provided with a driving motor 13, a rotating shaft of the driving motor 13 is connected with a reduction gearbox 14, the reduction gearbox 14 is connected with a driving wheel 15, a first-stage inclined 45 DEG gear 16 in the reduction gearbox 14 is connected with the rotating shaft of the driving motor 13, a second-stage inclined 45 DEG gear 17 is connected with the first-stage inclined 45 DEG gear 16, the axle center of a third-stage inclined 45 DEG gear 18 is vertical to the first-stage inclined 45 DEG gear 16, the third-stage inclined 45 DEG gear 18 is connected with the second-stage inclined 45 DEG gear 17, the third-stage inclined 45 DEG gear 18 is connected with the driving wheel 15, a dust collector pipeline 19 is connected with a first through hole 4 and a second through hole 6, a guiding polishing system 20 is connected with a main body of the polishing rust removing assembly 1 through a spring group 21, the rotating shaft of the driving motor 22 of the guiding polishing system 20 is connected with 3 steel brush brackets 23, the included angle between each support is 120 degrees, according to pipeline inner wall diameter, adjust support 23 length, through last regulation through-hole 30 and the positioning bolt 31 fixed of lower sleeve, be connected steel brush support 23 with steel brush 24, be connected with driving motor 22 pivot with the guide bracket 25 tail end, be connected with leading wheel 26 with the guide bracket 25 head end, the spraying rust cleaning subassembly 2 set up 4 first through-holes 32, first through-hole 32 is annular arrangement at spraying rust cleaning main part 2 outer fringe, the contained angle between each through-hole is 90 degrees, first through-hole 32 rear end sets up V-arrangement baffle 33, V-arrangement baffle 33 passes through bottom bolt 35 and chemical spraying subassembly 2 main part is fixed, set up second through-hole 34 between the V-arrangement baffle 33, first through-hole 34 is annular arrangement at spraying rust cleaning main part 2 outer fringe, the contained angle between each through-hole is 90 degrees, be connected with first through-hole 32 and second through-hole 34 with pipeline 36, be connected with hollow pipe support 39 and rust remover pipe 37, be connected with pull ring 41 and safety rope 42.
When the polishing and derusting machine works, the driving motor 22 and the spraying system 38 on the polishing and guiding system 20 are started, and the polishing and derusting and the chemical reaction derusting start to work; starting a driving motor 13 on the driving module 8, and starting feeding the device; the cleaner connecting the pipe 19 and the pipe 36 is turned on, and the mixture of rust and rust remover waste liquid and rust residues starts to be discharged.
The above description is only a few preferred embodiments of the present invention, and any person skilled in the art may make modifications to the above described embodiments or make modifications to the same. Accordingly, the corresponding simple modifications or equivalent changes according to the technical scheme of the present invention fall within the scope of the claimed invention.
Claims (8)
1. The utility model provides a modularization self-adaptation pipeline inner wall rust cleaning device, includes rust cleaning subassembly and chemical spraying subassembly, characterized by of polishing: the utility model discloses a rust cleaning subassembly and chemical spraying subassembly main part of polishing, including rust cleaning subassembly and chemical spraying subassembly main part, rust cleaning subassembly and chemical spraying subassembly of polishing is hollow shell structure, rust cleaning subassembly and chemical spraying subassembly of polishing passes through universal head and connects, rust cleaning subassembly and chemical spraying subassembly main part front end of polishing is provided with first through-hole, first through-hole rear end is provided with V-arrangement baffle, be provided with the second through-hole in the middle of the V-arrangement baffle, first through-hole and second through-hole are connected with the dust catcher, subassembly main part rear end is provided with actuating system, rust cleaning subassembly head of polishing is provided with rust cleaning motor, rust cleaning motor axis of rotation end is provided with polishing system and guiding system, chemical spraying subassembly head sets up the rust remover shower nozzle.
2. A modular adaptive pipeline inner wall rust removal apparatus as claimed in claim 1, wherein: the V-shaped baffle is formed by reversely combining two conical rubber baffles, the outer edge diameter of the baffle is the same as the inner diameter of a treated pipeline, and the rubber conical baffles are detachably designed and fixed on the assembly main body through bolts.
3. A modular adaptive pipeline inner wall rust removal apparatus as claimed in claim 1, wherein: the driving system is composed of 3 driving modules which are annularly arranged, an included angle between the driving modules is 120 degrees, the driving modules are provided with a first base and a second base, the first base and the second base are connected through springs and provide adhesive force for driving wheels, the first base is connected with a main body of the assembly through bolts, a driving motor is arranged above the second base, a rotating shaft of the driving motor is connected with a reduction gearbox, and the reduction gearbox is connected with the driving wheels with walls.
4. A modular adaptive pipeline inner wall rust removal apparatus as claimed in claim 1, wherein: the polishing system comprises 3 steel brushes which are annularly arranged, an included angle between the steel brushes is 120 degrees, the steel brushes are connected with a rust removal motor through a telescopic bracket, the telescopic bracket comprises an upper sleeve and a lower sleeve, the upper sleeve and the lower sleeve are internally provided with springs, a plurality of rectangular adjusting through holes are formed in the wall of the upper sleeve, and positioning bolts are arranged at the outer edge of the lower sleeve and are matched with the adjusting through holes.
5. A modular adaptive pipeline inner wall rust removal apparatus as claimed in claim 1, wherein: the guiding system consists of a guide rod and a pulley, wherein the guide rod is connected with a rotating shaft of the rust removing motor, and the pulley is fixed at the top end of the guide rod.
6. A modular adaptive pipeline inner wall rust removal apparatus as claimed in claim 1, wherein: the rust remover spray head comprises 3 guide pipe brackets and spray nozzles, wherein the guide pipe brackets are annularly distributed, the guide pipe brackets are connected with the rust remover guide pipe, the spray nozzles are conical, and the included angle between the spray heads is 120 degrees.
7. A modular adaptive pipeline inner wall rust removal apparatus as claimed in claim 1, wherein: the hollow shell structure presents a bladder-like structure.
8. A method for using the modular self-adaptive pipeline inner wall rust removal device according to any one of claims 1 to 7, which is characterized in that: the rust removal module for polishing and removing rust is characterized in that polishing and removing rust is combined with chemical spraying rust removal, the rust removal module for polishing and removing rust primarily removes the blocky rust and the rust with larger grain size on the inner wall of the pipeline through a steel brush, the peeled rust is discharged through a guide pipe under the negative pressure produced by a dust collector, the chemical spraying rust removal adopts a rust remover to remove stubborn rust through spraying, a passivation film is formed on the inner wall of the pipeline, and the rust remover is discharged from the pipeline under the micro negative pressure produced by the dust collector after reacting with the inner wall of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311030114.6A CN117103072A (en) | 2023-08-16 | 2023-08-16 | Modularized self-adaptive pipeline inner wall rust removing device and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311030114.6A CN117103072A (en) | 2023-08-16 | 2023-08-16 | Modularized self-adaptive pipeline inner wall rust removing device and application method thereof |
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| CN117103072A true CN117103072A (en) | 2023-11-24 |
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| CN202311030114.6A Pending CN117103072A (en) | 2023-08-16 | 2023-08-16 | Modularized self-adaptive pipeline inner wall rust removing device and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117464526A (en) * | 2023-12-26 | 2024-01-30 | 中交第二公路工程局有限公司 | Steel pipe rust cleaning device for bridge construction |
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2023
- 2023-08-16 CN CN202311030114.6A patent/CN117103072A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117464526A (en) * | 2023-12-26 | 2024-01-30 | 中交第二公路工程局有限公司 | Steel pipe rust cleaning device for bridge construction |
| CN117464526B (en) * | 2023-12-26 | 2024-05-17 | 中交第二公路工程局有限公司 | Steel pipe rust cleaning device for bridge construction |
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