CN104723223B - Pipeline inner wall rust removal device - Google Patents
Pipeline inner wall rust removal device Download PDFInfo
- Publication number
- CN104723223B CN104723223B CN201510112020.2A CN201510112020A CN104723223B CN 104723223 B CN104723223 B CN 104723223B CN 201510112020 A CN201510112020 A CN 201510112020A CN 104723223 B CN104723223 B CN 104723223B
- Authority
- CN
- China
- Prior art keywords
- end cap
- polishing pad
- pipeline
- walls
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
-
- 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
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a pipeline inner wall rust removal device, belonging to the technical field of polishing units. The device comprises a first end cover and a second end cover which are hermetically installed at two ends of the pipeline, a rust removal trolley is arranged in the pipeline, the dust removal trolley comprises a pneumatic motor with dual output shafts, a shell of the pneumatic motor is provided with a plurality of support shafts, the end part of each support shaft is provided with a roller wheel, a grinding disc is fixedly installed on the output shaft of the pneumatic motor, close to the first end cover, and is provided with a plurality of support rods in the radial direction, the end part of each support rod is provided with an abrasive disc, the output shaft of the pneumatic motor, close to the second end cover, is connected with a shot-blasting machine in a transmission manner; the end part of the grinding disc is connected with a traction rope, the traction rope extends out of the first end cover, one end of the shot-blasting machine, close to the second end cover, is connected with a shot feeding pipe, the pneumatic motor is connected with a gas inlet pipe, the shot feeding pipe and the gas inlet pipe extend out of the second end cover. The pipeline inner wall rust removal device can be used for solving the technical problems that the pipeline inner wall is serious in rust removal pollution and the rust removal effect is poor, and can be widely applied to pipeline cleaning.
Description
Technical field
The present invention relates to a kind of derusting device, relate more particularly to a kind of inner-walls of duct derusting device, belong to rust cleaning polishing
Equipment technical field.
Background technology
With the development of process of industrialization, the development of the technical field such as building trade, pipeline transportation is advanced by leaps and bounds, at these
In application, all refer to and use the steel pipe of substantial amounts of difference bore and length.
Wherein, using the building of steel construction, various pipeline etc. service life except design, make, install factor in addition to,
Also eliminate rust with the material of steel construction, painting anticorrosion engineering has great cause effect relation；Additionally, steel rust removing is even more application, prevents
The key point of rotten engineering.Also exactly this reason, the rust cleaning of steel structure material, particularly steel pipe inner wall is whole steel construction at present
The emphasis research and development problem of industry.
Although the derusting process on current steel tubing surface has developed more maturation, automaticity has significant raising,
Large-scale impeller blasting equipment is that what's frequently heard can be repeated in detail already.But corresponding be, the rust removalling equipment of steel pipe inner wall and/or work
Skill, due to the difference of multiple difference factors such as the shape of steel pipe, caliber, also has great research and development space.
For the shot-blasting machine commonly using, pill cannot be driven into steel pipe inner wall.In order to solve this problem,
Typically require workman and use the equipment such as hand-held sand-blasting gun, in sand blasting room, directly manually operated sand-blasting gun to be eliminated rust.But
The dirt off-air that in sand blasting room, severe working environment and being difficult to is excluded, is the stupid act of violence of pneumosilicosis occupation disease.How workman from handss
Free in the flue dust of steel pipe inner wall rust cleaning of work operation, be even more our important topics to be researched and developed.
For these reasons, for developing a kind of new inner-walls of duct derusting device, change traditional operator scheme, by crowd
Many workmans free from potentially dangerous working environment, and this not only has urgent researching value, it may have good
Economic benefit and commercial application potentiality, power that also exactly the present invention is accomplished is located and basis is leaned on.
Content of the invention
In order to overcome the defect of existing inner-walls of duct derusting device as indicated above, and provide safer operation
Pattern, the present inventor has made intensive studies to this, after having paid a large amount of creative works, thus completing the present invention.
Specifically, the technical problem to be solved is: provides a kind of inner-walls of duct derusting device, to solve to manage
Road inwall rust cleaning is seriously polluted, the technical problem of rust cleaning effect difference.
For solving above-mentioned technical problem, the technical scheme is that a kind of inner-walls of duct derusting device of offer, described pipe
Road device for dedusting inner wall includes the first end cap and the second end cap being seal-installed on pipe ends, is provided with rust cleaning in described pipeline
Car, described rust-removing vehicle includes the air motor with double output shaft, and the housing of described air motor is provided with some support shafts,
The end of every described support shaft is equipped with roller, and described air motor fixedly mounts on the output shaft of described first end cap
There is a polishing pad, described polishing pad is provided with some support bars being radially arranged, the end of every described support bar is equipped with one
For the abrasive disc of described inner-walls of duct of polishing, described air motor is in transmission connection a shot-peening near the output shaft of described second end cap
Machine, the body of described compressed air shotblasting machine is fixedly installed on the housing of described air motor, and the line shaft connection of described compressed air shotblasting machine is described
The output shaft of air motor；The end of described polishing pad connects a pull rope, and described pull rope stretches out described first end cap, described
Compressed air shotblasting machine connects entering pills apparatus near one end of described second end cap, and described entering pills apparatus stretch out described second end cap, described pneumatic horse
Reach connection air inlet pipe, described air inlet pipe stretches out described second end cap.
In the described inner-walls of duct derusting device of the present invention, improve as a kind of, the outer surface of described pipeline is supported in
On at least two groups driving wheels, driving wheel described in every group all includes a drivewheel and a driven pulley, and all described drivewheels synchronously set
Put.
In the described inner-walls of duct derusting device of the present invention, improve as further, in the casing of described compressed air shotblasting machine
One end near described second end cap is installed with dust shield, and described dust shield connects a negative tube, and described negative tube passes
Described second end cap.
In the described inner-walls of duct derusting device of the present invention, improve as further, the end of described polishing pad is solid
Dingan County is rotatablely equipped with a rotating shaft equipped with a bearing block, described bearing block by rolling bearing, and described rotating shaft passes described axle
One end of bearing connects described pull rope, and described rotating shaft sets between the end face of one end of described polishing pad and described polishing pad
There is thrust bearing.
In the described inner-walls of duct derusting device of the present invention, improve as further, fixing on described first end lid
One installation set is installed, described pull rope passes described installation set, is provided with felt collar between described installation set and pull rope, described felt
Circle is fixedly installed on the inwall of described installation set.
In the described inner-walls of duct derusting device of the present invention, improve as further, described second end cap rotates
One rotating disk is installed, described entering pills apparatus, air inlet pipe and negative tube are all passed described rotating disk and be all slidably connected with described rotating disk.
In the described inner-walls of duct derusting device of the present invention, improve as further, described support bar includes fixing
It is installed on the sleeve on described polishing pad, be slidably fitted with a slide in described sleeve, between described slide and described polishing pad
Described sleeve in be provided with compression spring, described slide is rotatablely equipped with a push rod stretching out described sleeve, described push rod
End is provided with described abrasive disc.
As described above, described rust removing device for steel tube after employing technique scheme, many beneficial effects can be obtained,
For example:
(1) due in pipeline descaling process blocking the two ends of pipeline, it is to avoid dust leakage during rust cleaning and pollute environment,
Reduce the direct infringement that dirt gives up to operator's body, be provided with the working space of environmental conservation to operator, reduce or control
The generation of occupation disease processed.
(2) due to first in advance grinding process being carried out to inner-walls of duct using abrasive disc, not only improve rust cleaning effect, also for supporting
Axle consolidates and supports air motor to lay a good foundation, and improves the stationarity of air motor walking.
(3) due to eliminating rust to inner-walls of duct using polishing pad and compressed air shotblasting machine simultaneously, substantially increase steel pipe inner wall
Derusting, solves the quality unsteady phenomena producing due to the endurance ratio of people.
(4) due to being rotated pipeline using power so that rust-removing vehicle can be by inner-walls of duct week during advancing
All removed upwards, dead angle of accomplishing no to eliminate rust, substantially increased rust cleaning effect, the simultaneously this knot relying on pipeline to rotate
Structure, compared with the scheme that rust-removing vehicle static with pipeline rotates, simplifies structure, reduces manufacturing cost.
(5) due to devising dust shield, while rust cleaning, duct bottom has been polished or has impacted the rust getting off
Together suction out with sand ball, greatly reduce the dust producing in descaling process, improve working environment.
As described above, the invention provides a kind of new rust removing device for steel tube, this derusting device is by unique structure
Design, and achieve many beneficial effects, thus can achieve that the machinery to steel pipe, automatization eliminate rust, and have liberated substantial amounts of manpower,
And avoid the harm of harsh environments, there are significant industrial applications prospect and potentiality in actual applications.
Brief description
Fig. 1 is the structural representation of an embodiment of rust removing device for steel tube of the present invention；
Fig. 2 is the structural representation of a-a in Fig. 1；
Fig. 3 is the partial enlarged drawing of e in Fig. 1；
Fig. 4 be rust removing device for steel tube of the present invention embodiment in support bar structural representation；
Wherein, in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, each number designation refer to respectively following concrete meaning, element and/
Or part.
In figure: 1, pipeline, the 2, first end cap, the 3, second end cap, 4, air motor, 5, polishing pad, 6, compressed air shotblasting machine, 601, go out
Ball hole, 602, entering pills apparatus, 7, support shaft, 8, roller, 9, support bar, 901, sleeve, 902, slide, 903, push rod, 904, compression
Spring, 10, abrasive disc, 11, dust shield, 12, negative tube, 13, installation set, 14, felt collar, 15, rotating disk, 16, drivewheel, 17, driven
Wheel, 18, air inlet pipe, 19, pull rope, 20, bearing block, 21, rolling bearing, 22, rotating shaft, 23, thrust bearing.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.But the purposes of these exemplary embodiments and mesh
Be only used for enumerate the present invention, not the real protection scope of the present invention is constituted with any type of any restriction, more non-incite somebody to action this
The protection domain of invention is confined to this.
As Fig. 1 and Fig. 2 is jointly shown, a kind of inner-walls of duct derusting device provided by the present invention, including being seal-installed on
First end cap 2 at pipeline 1 two ends and the second end cap 3, are provided with rust-removing vehicle in pipeline 1, rust-removing vehicle includes the gas with double output shaft
Dynamic motor 4, the air motor 4 of double output shaft is commercially relatively conventional, will not be described here, and the housing of air motor 4 sets
There are some support shafts 7, the end of every support shaft 7 is equipped with roller 8, this roller 8 is preferably ten thousand can buy on market
Way roller (ensure rust-removing vehicle sliding axially along pipeline 1 in the presence of gravity and pull strength, it is to avoid air motor 4 with
The rotation of pipeline 1 and rotate), air motor 4 is installed with a polishing pad 5 on the output shaft of the first end cap 2, polishing pad
5 is disk-like structure, and polishing pad 5 is provided with some support bars 9 being radially arranged, and the end of every support bar 9 is equipped with one and is used for
The abrasive disc 10 of polishing pipeline 1 inwall, air motor 4 is in transmission connection a compressed air shotblasting machine 6 near the output shaft of the second end cap 3, compressed air shotblasting machine 6
Body be fixedly installed on the housing of air motor 4, the line shaft of compressed air shotblasting machine 6 connects the output shaft of air motor 4, compressed air shotblasting machine
6 have air peener, also have mechanical compressed air shotblasting machine, in the present invention, in view of the internal diameter of pipeline 1 is more than 300 millimeters it is proposed that using machine
Tool compressed air shotblasting machine, the line shaft of this compressed air shotblasting machine 6 is provided with impeller, if the body periphery of compressed air shotblasting machine 6 is provided with does ball hole 601, spray
Ball machine 6 connects entering pills apparatus 602 near one end of the second end cap 3, and entering pills apparatus 602 and impeller are arranged concentrically, and enter ball direction along leaf
Wheel rotation direction, can either smoothly enter ball, decrease the breakage of sand ball again, sand ball by impeller near center with leaf
Wheel rotation ramps up, and is dished out by going out ball hole 601 under the action of the centrifugal force, the inwall of impact pipeline 1, realizes rust cleaning purpose, enters
The other end of ball pipe 602 stretches out the second end cap 3；The end of polishing pad 5 connects a pull rope 19, and pull rope 19 stretches out the first end cap
2, moving ahead of rust-removing vehicle is driven by the traction of pull rope 19, its gait of march can adjust according to hauling speed, air motor 4
Connect air inlet pipe 18, air inlet pipe 18 stretches out the second end cap 3.
The outer surface of pipeline 1 is supported at least two groups driving wheels, every group of driving wheel all include a drivewheel 16 and one from
Driving wheel 17, all drivewheels 16 are synchronous to be arranged, and all drivewheels 16 are cascaded using stiff shaft, using same reducing motor
Drive, the speed difference between drivewheel 16 that slowed down so that pipeline 1 is rotated about axis, and rust-removing vehicle in pipeline 1 along axle
Line slides, it is to avoid produces corner when polishing and shot-peening, improves rust cleaning effect.
In the casing of compressed air shotblasting machine 6, the one end near the second end cap 3 is installed with dust shield 11, and it is negative that dust shield 11 connects one
Pressure pipe 12, negative tube 12 passes the second end cap 3, while rust cleaning, has been polished in pipeline 1 bottom or has impacted the ferrum getting off
Rust and sand ball together suction out, and greatly reduce the dust producing in descaling process, improve working environment.
The end of polishing pad 5 is installed with a bearing block 20, is rotatablely equipped with by rolling bearing 21 in bearing block 20
One rotating shaft 22, one end that rotating shaft 22 passes bearing block 20 connects pull rope 19, and rotating shaft 22 is near one end of polishing pad 5 and polishing pad
It is provided with thrust bearing 23 between 5 end face, refer to shown in Fig. 3 in detail, the benefit of this structure is that pull rope 19 was drawing
Cheng Buhui rotates with the rotation of polishing pad 5, it is to avoid pull rope 19 is tied a knot or reversed, meanwhile, fixing peace on the first end cap 2
Equipped with an installation set 13, one end that installation set 13 is located in pipeline 1 is provided with a boss, and the periphery of boss uses securing member and the
One end cap 2 connects, pull rope 19 passes installation set 13, it is to avoid in distraction procedure, installation set 13 is deviate from, installation set 13 and traction
Rope 19 between be provided with felt collar 14, felt collar 14 is fixedly installed on the inwall of installation set 13, dust leakage can either be avoided additionally it is possible to
Eliminating impurities on pull rope 19 are fallen, between the first end cap 2 and pull rope 19, only exist sliding friction, it is to avoid rolling friction
The abrasion causing, improves sealing effectiveness.
On second end cap 3, a rotating disk 15 is rotatablely equipped with by bearing, entering pills apparatus 602, air inlet pipe 18 and negative tube 12 are equal
Pass rotating disk 15 and be all slidably connected with rotating disk 15, in work process, rotating disk 15 be with respect to pipeline 1 be rotate, but phase
Ground is not rotated, not only makes entering pills apparatus 602, air inlet pipe 18 and negative tube 12 and air motor 4 keep synchronous,
Improve sealing effectiveness.
As shown in figure 4, support bar 9 includes the sleeve 901 being fixedly installed on polishing pad 5, it is slidably fitted with sleeve 901
One slide 902, is provided with compression spring 904, slide 902 is turned by bearing in the sleeve 901 between slide 902 and polishing pad 5
Move and a push rod 903 stretching out sleeve 901 is installed, the external diameter of push rod 903 is adapted with the internal diameter of sleeve 901, play guiding and make
With, it is to avoid push rod 903 rock with crooked, the end of push rod 903 is provided with abrasive disc 10, and in an initial condition, abrasive disc 10 acts against
On pipeline 1 inwall, now, compression spring 904 is compressed, and when the iron mold of pipeline 1 inwall in bruting process is uneven, passes through
The flexible of compression spring 904 can be with the total length of adjust automatically support bar 9, to guarantee smoothly moving ahead and effect of polishing of rust-removing vehicle
Really.
Equally, in view of above conceive, support shaft 7 can also adopt and the similar structure of support bar 9, those skilled in the art
Using for reference above description and accompanying drawing it is achieved that being nothing but by roller 8 replacement abrasive disc 10, being arranged on the end of push rod 903, here is not
Repeat again.
Present invention mainly solves the internal inwall rust cleaning problem of pipeline 1, and pipeline 1 end on rust-removing vehicle length direction only
Polished or bead, the rust cleaning of pipeline 1 end can be completed by increasing the rust cleaning time, deal with more square
Just.
During use, the present invention controls the gait of march of rust-removing vehicle by the hauling speed controlling pull rope 19, except pipeline 1
End only using a kind of rust cleaning mode outside, all can be polished and bead in pipeline 1 middle part simultaneously, improve rust cleaning
Effect, meanwhile, the first end cap 2 is passed through at pipeline 1 two ends and the second end cap 3 blocks, and increased dust shield 11 by pipeline 1 again
Debris discharge, decrease environmental pollution, also protect each part of rust-removing vehicle, extend the service life of rust-removing vehicle.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit the protection model of the present invention
Enclose.Additionally, it will also be appreciated that after the technology contents having read the present invention, those skilled in the art can do respectively to the present invention
Plant and change, change and/or modification, all these equivalent form of value equally falls within the guarantor that the application appended claims are limited
Within the scope of shield.
Claims (4)
1. a kind of inner-walls of duct derusting device, described inner-walls of duct derusting device includes the first end being seal-installed on pipe ends
Lid and the second end cap, are provided with rust-removing vehicle, described rust-removing vehicle includes the air motor with double output shaft, described gas in described pipeline
The housing of dynamic motor is provided with some support shafts, and the end of every described support shaft is equipped with roller, and described air motor leans on
It is installed with a polishing pad, described polishing pad is provided with some supports being radially arranged on the output shaft of closely described first end cap
Bar, the end of every described support bar is equipped with one and is used for the abrasive disc of described inner-walls of duct of polishing, and described air motor is near institute
The output shaft stating the second end cap is in transmission connection a compressed air shotblasting machine, and the body of described compressed air shotblasting machine is fixedly installed in the shell of described air motor
On body, the line shaft of described compressed air shotblasting machine connects the output shaft of described air motor；The end of described polishing pad connects a pull rope,
Described pull rope stretches out described first end cap, described compressed air shotblasting machine near one end of described second end cap connect entering pills apparatus, described enter
Ball pipe stretches out described second end cap, and described air motor connects air inlet pipe, and described air inlet pipe stretches out described second end cap；Described pipe
The outer surface in road is supported at least two groups driving wheels, and driving wheel described in every group all includes a drivewheel and a driven pulley, owns
Described drivewheel is synchronously arranged；The end of described polishing pad is installed with a bearing block, passes through the axis of rolling in described bearing block
Hold and be rotatablely equipped with a rotating shaft, one end that described rotating shaft passes described bearing block connects described pull rope, and described rotating shaft is near institute
State and be provided with thrust bearing between one end of polishing pad and the end face of described polishing pad；It is installed with a peace on described first end lid
Encapsulation, described pull rope passes described installation set, is provided with felt collar between described installation set and pull rope, described felt collar fixed installation
On the inwall of described installation set.
2. inner-walls of duct derusting device as claimed in claim 1 it is characterised in that: near described in the casing of described compressed air shotblasting machine
One end of second end cap is installed with dust shield, and described dust shield connects a negative tube, and described negative tube passes described second
End cap.
3. inner-walls of duct derusting device as claimed in claim 2 it is characterised in that: be rotatablely equipped with one on described second end cap
Rotating disk, described entering pills apparatus, air inlet pipe and negative tube are all passed described rotating disk and are all slidably connected with described rotating disk.
4. the inner-walls of duct derusting device as described in any one of claim 1-3 it is characterised in that: described support bar include fix
It is installed on the sleeve on described polishing pad, be slidably fitted with a slide in described sleeve, between described slide and described polishing pad
Described sleeve in be provided with compression spring, described slide is rotatablely equipped with a push rod stretching out described sleeve, described push rod
End is provided with described abrasive disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112020.2A CN104723223B (en) | 2015-03-13 | 2015-03-13 | Pipeline inner wall rust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112020.2A CN104723223B (en) | 2015-03-13 | 2015-03-13 | Pipeline inner wall rust removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104723223A CN104723223A (en) | 2015-06-24 |
| CN104723223B true CN104723223B (en) | 2017-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112020.2A Active CN104723223B (en) | 2015-03-13 | 2015-03-13 | Pipeline inner wall rust removal device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104723223B (en) |
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