CN104723223A - Pipeline inner wall rust removal device - Google Patents
Pipeline inner wall rust removal device Download PDFInfo
- Publication number
- CN104723223A CN104723223A CN201510112020.2A CN201510112020A CN104723223A CN 104723223 A CN104723223 A CN 104723223A CN 201510112020 A CN201510112020 A CN 201510112020A CN 104723223 A CN104723223 A CN 104723223A
- Authority
- CN
- China
- Prior art keywords
- end cap
- walls
- pipeline
- polishing pad
- derusting device
- 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.)
- Granted
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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
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- 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
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- 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
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 polissoir technical field.
Background technology
Along 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, and in these applications, all relates to and uses a large amount of different bores and the steel pipe of length.
Wherein, except the factor of use the service life of the building, various pipelines etc. of steel construction except design, to make, installing, also eliminate rust with the material of steel construction, painting anticorrosion engineering has great causality; In addition, the key point of steel rust removing application especially, antiseptic project.Also this reason just, the rust cleaning of steel structure material, particularly steel pipe inner wall is the emphasis research and development problem of current whole steel construction industry.
Although the derusting process on steel tubing surface has developed comparatively ripe at present, automaticity has had significant raising, and large-scale impeller blasting equipment is that what's frequently heard can be repeated in detail already.But correspond, the rust removalling equipment of steel pipe inner wall and/or technique, due to the difference of multiple Different factor such as shape, caliber of steel pipe, also also exist and research and develop space greatly.
At present, for the shot-blasting machine generally used, pill cannot be driven into steel pipe inner wall.In order to solve this problem, usually needing workman to use the equipment such as hand-held sand-blasting gun, in sand blasting room, directly carrying out manual operation sand-blasting gun and eliminating rust.But working environment severe in sand blasting room and the dirt off-air being difficult to get rid of are the stupid acts of violence of silicosis occupational disease.How workman is freed from the flue dust that manual steel pipe inner wall eliminates rust, especially our important topic that will research and develop.
For these reasons, for a kind of new inner-walls of duct derusting device of exploitation, change traditional operator scheme, numerous workman is freed from the proemial working environment of tool, this not only has urgent researching value, also there are good economic benefit and commercial Application potentiality, also just the power place that is accomplished of the present invention and basis lean on.
Summary of the invention
In order to overcome the defect of above-mentioned pointed existing inner-walls of duct derusting device, and provide safer operator scheme, the present inventor, to this has been further investigation, after having paid a large amount of creative work, thus completes the present invention.
Specifically, technical problem to be solved by this invention is: provide a kind of inner-walls of duct derusting device, and to solve, inner-walls of duct rust cleaning is seriously polluted, the technical problem of rust cleaning weak effect.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of inner-walls of duct derusting device, described inner-walls of duct derusting device comprises the first end cap and the second end cap that are seal-installed on pipe ends, rust-removing vehicle is provided with in described pipeline, described rust-removing vehicle comprises the air motor with double output shaft, the housing of described air motor is provided with some back shafts, described in every root, the end of back shaft is equipped with roller, described air motor is installed with a polishing pad on the output shaft of described first end cap, described polishing pad is provided with the support bar that some radial directions are arranged, the end of support bar described in every root is equipped with one for the abrasive disc of described inner-walls of duct of polishing, described air motor to be in transmission connection a compressed air shotblasting machine near the output shaft of described second end cap, the body of described compressed air shotblasting machine is fixedly installed on the housing of described air motor, 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, and described compressed air shotblasting machine connects entering pills apparatus near one end of described second end cap, and described entering pills apparatus stretches out described second end cap, described air motor connects air inlet pipe, and described air inlet pipe stretches out described second end cap.
In described inner-walls of duct derusting device of the present invention, improve as one, the outer surface of described pipeline is supported at least two group driving wheels, and often organize described driving wheel and include a driving wheel and a driven pulley, all described driving wheels are synchronously arranged.
In described inner-walls of duct derusting device of the present invention, as further improvement, the one end near described second end cap on the casing of described compressed air shotblasting machine is installed with dust shield, and described dust shield connects a negative tube, and described negative tube passes described second end cap.
In described inner-walls of duct derusting device of the present invention, as further improvement, the end winding support of described polishing pad is provided with a bearing block, a rotating shaft is rotatablely equipped with by rolling bearing in described bearing block, one end that described rotating shaft passes described bearing block connects described pull rope, and described rotating shaft is provided with thrust bearing near between one end of described polishing pad and the end face of described polishing pad.
In described inner-walls of duct derusting device of the present invention, as further improvement, described first end covers and is installed with an installation sleeve, and described pull rope passes described installation sleeve, be provided with felt collar between described installation sleeve and pull rope, described felt collar is fixedly installed on the inwall of described installation sleeve.
In described inner-walls of duct derusting device of the present invention, as further improvement, described second end cap is rotatablely equipped with a rotating disk, described entering pills apparatus, air inlet pipe and negative tube all pass described rotating disk and are all slidably connected with described rotating disk.
In described inner-walls of duct derusting device of the present invention, as further improvement, described support bar comprises the sleeve be fixedly installed on described polishing pad, a slide is slidably fitted with in described sleeve, Compress Spring is provided with in described sleeve between described slide and described polishing pad, described slide is rotatablely equipped with the push rod that stretches out described sleeve, the end of described push rod is provided with described abrasive disc.
As mentioned above, the described rust removing device for steel tube after have employed technique scheme, can obtain many beneficial effects, such as:
(1) due in pipeline descaling process by the two ends shutoff of pipeline; dust leakage when avoiding rust cleaning and contaminated environment; reduce dirt to give up to the direct infringement of operator's health, provide the workplace of environmental protection to operator, reduce or control the generation of occupational disease.
(2) owing to first using abrasive disc to carry out grinding process to inner-walls of duct in advance, not only improve rust cleaning effect, also lay a good foundation for back shaft firm support air motor, improve the stationarity of air motor walking.
(3) owing to using polishing pad and compressed air shotblasting machine to eliminate rust to inner-walls of duct simultaneously, substantially increase the derusting of steel pipe inner wall, solve the quality unsteady phenomena produced due to the endurance ratio of people.
(4) owing to using power to be rotated by pipeline, rust-removing vehicle all can be removed in inner-walls of duct circumference in traveling process, accomplish without rust cleaning dead angle, substantially increase rust cleaning effect, the structure of this dependence pipeline rotation simultaneously, compared with the scheme of rotating with the static rust-removing vehicle of pipeline, simplify the structure, reduce manufacturing cost.
(5) owing to devising dust shield, while rust cleaning, duct bottom polished or has impacted the iron rust that gets off and the together sucking-off of sand ball, having greatly reduced the dust produced in descaling process, improve working environment.
As mentioned above, the invention provides a kind of novel rust removing device for steel tube, this derusting device is by unique structural design, and achieve many beneficial effects, thus machinery to steel pipe, automation rust cleaning can be realized, liberate a large amount of manpowers, and avoided the harm of harsh environments, there are significant industrial applications prospect and potentiality in actual applications.
Accompanying drawing explanation
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 is the structural representation of support bar in the embodiment of rust removing device for steel tube of the present invention;
Wherein, in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, each number designation refers to following concrete meaning, element and/or parts respectively.
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, ball hole is gone out, 602, entering pills apparatus, 7, back shaft, 8, roller, 9, support bar, 901, sleeve, 902, slide, 903, push rod, 904, Compress Spring, 10, abrasive disc, 11, dust shield, 12, negative tube, 13, installation sleeve, 14, felt collar, 15, rotating disk, 16, driving wheel, 17, driven pulley, 18, air inlet pipe, 19, pull rope, 20, bearing block, 21, rolling bearing, 22, rotating shaft, 23, thrust bearing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and object are only used for exemplifying the present invention, not any type of any restriction is formed to real protection scope of the present invention, more non-protection scope of the present invention is confined to this.
As Fig. 1 and Fig. 2 jointly shown in, a kind of inner-walls of duct derusting device provided by the present invention, comprise the first end cap 2 and the second end cap 3 being seal-installed on pipeline 1 two ends, rust-removing vehicle is provided with in pipeline 1, rust-removing vehicle comprises the air motor 4 with double output shaft, the air motor 4 of double output shaft is commercially comparatively common, do not repeat them here, the housing of air motor 4 is provided with some back shafts 7, the end of every root back shaft 7 is equipped with roller 8, this roller 8 is preferably the universal rolling wheel that market can be bought and (ensures rust-removing vehicle sliding axially along pipeline 1 under the effect of gravity and tractive force, air motor 4 is avoided to rotate along with the rotation of pipeline 1), 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, polishing pad 5 is provided with the support bar 9 that some radial directions are arranged, the end of every root support bar 9 is equipped with one for the abrasive disc 10 of pipeline 1 inwall of polishing, air motor 4 to be in transmission connection a compressed air shotblasting machine 6 near the output shaft of the second end cap 3, the body of compressed air shotblasting machine 6 is 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 has air peener, also mechanical compressed air shotblasting machine is had, in the present invention, internal diameter in view of pipeline 1 is greater than 300 millimeters, suggestion uses mechanic shot peening machine, the line shaft of this compressed air shotblasting machine 6 is provided with impeller, the body periphery of compressed air shotblasting machine 6 be provided with some go out ball hole 601, compressed air shotblasting machine 6 connects entering pills apparatus 602 near one end of the second end cap 3, entering pills apparatus 602 is arranged with impeller is concentric, enter the rotation direction of ball direction along impeller, ball can either be entered smoothly, additionally reduce the breakage of sand ball, sand ball is accelerated with wheel rotation near center gradually by impeller, dish out by going out ball hole 601 under centrifugal action, the inwall of impact pipeline 1, realize rust cleaning object, the other end of entering pills apparatus 602 stretches out the second end cap 3, the end of polishing pad 5 connects a pull rope 19, pull rope 19 stretches out the first end cap 2, and drive moving ahead of rust-removing vehicle by the traction of pull rope 19, its gait of march can adjust according to hauling speed, air motor 4 connects air inlet pipe 18, and air inlet pipe 18 stretches out the second end cap 3.
The outer surface of pipeline 1 is supported at least two group driving wheels, often organize driving wheel and include driving wheel 16 and a driven pulley 17, all driving wheels 16 are synchronously arranged, all driving wheels 16 use stiff shaft to be cascaded, and use same reducing motor to drive, the speed difference slowed down between driving wheel 16, pipeline 1 is rotated about axis, and rust-removing vehicle in pipeline 1 along axial sliding movement, avoid polishing and shot-peening time generation corner, improve rust cleaning effect.
One end near the second end cap 3 on the casing of compressed air shotblasting machine 6 is installed with dust shield 11, dust shield 11 connects a negative tube 12, negative tube 12 passes the second end cap 3, while rust cleaning, to polish bottom pipeline 1 or impact the iron rust that gets off and the together sucking-off of sand ball, greatly reduce the dust produced in descaling process, improve working environment.
The end winding support of polishing pad 5 is provided with a bearing block 20, a rotating shaft 22 is rotatablely equipped with by rolling bearing 21 in bearing block 20, one end that rotating shaft 22 passes bearing block 20 connects pull rope 19, rotating shaft 22 is provided with thrust bearing 23 near between one end of polishing pad 5 and the end face of polishing pad 5, please refer in detail shown in Fig. 3, the benefit of this structure is, pull rope 19 can not rotate along with the rotation of polishing pad 5 in distraction procedure, avoid pull rope 19 tie a knot or reverse, simultaneously, first end cap 2 is installed with an installation sleeve 13, one end that installation sleeve 13 is positioned at pipeline 1 is provided with a boss, the periphery of boss uses securing member to be connected with the first end cap 2, pull rope 19 passes installation sleeve 13, avoid installation sleeve 13 in distraction procedure to deviate from, felt collar 14 is provided with between installation sleeve 13 and pull rope 19, felt collar 14 is fixedly installed on the inwall of installation sleeve 13, dust leakage can either be avoided, eliminating impurities on pull rope 19 can also be fallen, only sliding friction is there is between first end cap 2 and pull rope 19, avoid the wearing and tearing that rolling friction causes, improve sealing effectiveness.
Second end cap 3 is rotatablely equipped with a rotating disk 15 by bearing, entering pills apparatus 602, air inlet pipe 18 and negative tube 12 all pass rotating disk 15 and are all slidably connected with rotating disk 15, in the course of work, rotating disk 15 is rotate relative to pipeline 1, but do not rotate relative to ground, not only make entering pills apparatus 602, air inlet pipe 18 and negative tube 12 keep synchronous with air motor 4, also improve sealing effectiveness.
As shown in Figure 4, support bar 9 comprises the sleeve 901 be fixedly installed on polishing pad 5, a slide 902 is slidably fitted with in sleeve 901, Compress Spring 904 is provided with in sleeve 901 between slide 902 and polishing pad 5, slide 902 is rotatablely equipped with by bearing the push rod 903 that stretches out sleeve 901, the external diameter of push rod 903 and the internal diameter of sleeve 901 suitable, play guide effect, push rod 903 is avoided to rock with crooked, the end of push rod 903 is provided with abrasive disc 10, in an initial condition, abrasive disc 10 leans on pipeline 1 inwall, now, Compress Spring 904 is compressed, when the iron mold of pipeline in bruting process 1 inwall is uneven, by the flexible total length that automatically can adjust support bar 9 of Compress Spring 904, to guarantee the effect that moves ahead smoothly and polish of rust-removing vehicle.
Equally, in view of above design, back shaft 7 also can adopt the structure similar with support bar 9, and those skilled in the art use for reference above description and accompanying drawing can realize, and is nothing but that roller 8 is replaced abrasive disc 10, is arranged on the end of push rod 903, does not repeat them here.
The present invention mainly solves pipeline 1 inner inwall rust cleaning problem, and only carrying out polishing or bead in pipeline 1 end on rust-removing vehicle length direction, can complete the rust cleaning of pipeline 1 end by increasing the rust cleaning time, deals with more for convenience.
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 uses a kind of rust cleaning mode, all can be polished and bead in pipeline 1 middle part simultaneously, improve rust cleaning effect; simultaneously; being got up by the first end cap 2 and the second end cap 3 shutoff in pipeline 1 two ends, turn increases dust shield 11 and discharged by the foreign material in pipeline 1, decrease environmental pollution; also protect each parts of rust-removing vehicle, extend the service life of rust-removing vehicle.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the present invention limit the scope of the invention.In addition; also should understand; after having read technology contents of the present invention, those skilled in the art can make various change, amendment and/or modification to the present invention, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (7)
1. an inner-walls of duct derusting device, described inner-walls of duct derusting device comprises the first end cap and the second end cap that are seal-installed on pipe ends, rust-removing vehicle is provided with in described pipeline, described rust-removing vehicle comprises the air motor with double output shaft, the housing of described air motor is provided with some back shafts, described in every root, the end of back shaft is equipped with roller, described air motor is installed with a polishing pad on the output shaft of described first end cap, described polishing pad is provided with the support bar that some radial directions are arranged, the end of support bar described in every root is equipped with one for the abrasive disc of described inner-walls of duct of polishing, described air motor to be in transmission connection a compressed air shotblasting machine near the output shaft of described second end cap, the body of described compressed air shotblasting machine is fixedly installed on the housing of described air motor, 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, and described compressed air shotblasting machine connects entering pills apparatus near one end of described second end cap, and described entering pills apparatus stretches out described second end cap, described air motor connects air inlet pipe, and described air inlet pipe stretches out described second end cap.
2. inner-walls of duct derusting device as claimed in claim 1, it is characterized in that: the outer surface of described pipeline is supported at least two group driving wheels, often organize described driving wheel and include a driving wheel and a driven pulley, all described driving wheels are synchronously arranged.
3. inner-walls of duct derusting device as claimed in claim 1 or 2, is characterized in that: the one end near described second end cap on the casing of described compressed air shotblasting machine is installed with dust shield, and described dust shield connects a negative tube, and described negative tube passes described second end cap.
4. the inner-walls of duct derusting device as described in any one of claim 1-3, it is characterized in that: the end winding support of described polishing pad is provided with a bearing block, a rotating shaft is rotatablely equipped with by rolling bearing in described bearing block, one end that described rotating shaft passes described bearing block connects described pull rope, and described rotating shaft is provided with thrust bearing near between one end of described polishing pad and the end face of described polishing pad.
5. the inner-walls of duct derusting device as described in any one of claim 1-4, it is characterized in that: described first end covers and is installed with an installation sleeve, described pull rope passes described installation sleeve, be provided with felt collar between described installation sleeve and pull rope, described felt collar is fixedly installed on the inwall of described installation sleeve.
6. the inner-walls of duct derusting device as described in any one of claim 1-5, is characterized in that: described second end cap is rotatablely equipped with a rotating disk, and described entering pills apparatus, air inlet pipe and negative tube all pass described rotating disk and be all slidably connected with described rotating disk.
7. the inner-walls of duct derusting device as described in any one of claim 1-6, it is characterized in that: described support bar comprises the sleeve be fixedly installed on described polishing pad, a slide is slidably fitted with in described sleeve, Compress Spring is provided with in described sleeve between described slide and described polishing pad, described slide is rotatablely equipped with the push rod that stretches out described sleeve, the end of described push rod 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 true CN104723223A (en) | 2015-06-24 |
| CN104723223B CN104723223B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510112020.2A Active CN104723223B (en) | 2015-03-13 | 2015-03-13 | Pipeline inner wall rust removal device |
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