CN104552026A - Four-headed sand-blasting gun - Google Patents
Four-headed sand-blasting gun Download PDFInfo
- Publication number
- CN104552026A CN104552026A CN201410855646.8A CN201410855646A CN104552026A CN 104552026 A CN104552026 A CN 104552026A CN 201410855646 A CN201410855646 A CN 201410855646A CN 104552026 A CN104552026 A CN 104552026A
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- Prior art keywords
- sand
- connector
- hole
- head
- blasting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a four-headed sand-blasting gun and belongs to the technical field of oil and gas pipeline sand-blasting joint coating. The four-headed sand-blasting gun comprises two double-headed sand-blasting guns, a swinging arm and a swinging driving device, wherein each of the double-headed sand-blasting guns comprises a swinging mounting base, a first gun head, a second gun head, a center distance regulating mechanism and a radial distance regulating mechanism; the first gun head and the second gun head are integrated into a whole through a connecting component; the sand blasting and derusting efficiency is improved to two times, and the center distance between the first gun head and the second gun head can be adjusted through the center distance regulating mechanism formed by the connecting component; through the radial regulating mechanism, the radial distance between the first gun head and the second gun head can be adjusted when an automatic sand blasting and derusting machine is mounted in place and the sand-blasting gun is divorced from the pipeline, so that the first gun head and the second gun head can be protected and can meet sand blasting requirements of different pipeline diameters. The two double-headed sand-blasting guns are superposed through the swinging arm, therefore, the sand-blasting and derusting efficiency can be further improved to four times.
Description
Technical field
The present invention relates to oil and gas pipes sandblasting patch technology field, particularly a kind of four-head sand-blasting gun.
Background technology
At present, no matter on land or in ocean, after pipeline welding construction, its blank area all needs to carry out the process of coating repaired mouth.And in field joints coating technology, first operation is exactly will eliminate rust to the pipeline external surface within the scope of repaired mouth, and require that rust cleaning effect reaches corresponding levels of the standard.
Abroad, the technology of automatic sand blasting, the comparative maturity used, its application is also comparatively extensive.Domesticly develop and be successfully applied to the automatic sand blasting equipment of offshore oil pipeline corrosion protection repaired mouth.This automatic sand blasting equipment adopts two relatively independent automatic sand-blasting rust-removing oscillatings to carry out derusting by sandblasting to pipe surface altogether.
But along with the increase gradually of oil and gas pipes diameter, independently automatic sand-blasting rust-removing oscillating cannot meet the requirement of abrasive blasting rust-cleaning machine to pipeline rust cleaning efficiency.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of four-head sand-blasting gun, this four-head sand-blasting gun can be regulated the radial distance of two sand-blasting guns of the double end sand-blasting gun applied in this four-head sand-blasting gun and centre-to-centre spacing by adjusting device simultaneously.
Four-head sand-blasting gun provided by the invention comprises two double end sand-blasting guns, swing arm and oscillatory gearing mechanisms,
Described double end sand-blasting gun comprises swing mount pad, first rifle head, second rifle head, center distance regulating mechanism and radial distance governor motion, described swing mount pad is fixedly connected on described radial distance governor motion, the radial direction of described swing mount pad and described first rifle head, the setting direction of the second rifle head is vertical, described center distance regulating mechanism comprises the first connector, second connector and the 3rd connector, described first connector one end is fixedly connected on described first rifle head, described second connector one end is fixedly connected on described second rifle head, the described first connector other end and described 3rd connector form first and to be flexibly connected and/or the other end of described second connector forms second with described 3rd connector and is flexibly connected, described first be flexibly connected and/or second be flexibly connected can drive described first rifle head relative with the second rifle head away from or close, described radiai adjustment mechanism comprises slide block, described 3rd connector is also fixedly connected on described slide block, described slide block can drive described 3rd connector to carry out radial distance adjustment by the slip of self, and then described 3rd connector drives described first rifle head and the second rifle head to carry out radial distance adjustment,
Described swing arm structure axisymmetricly, described two double end sand-blasting guns are by respective swing mount pad, be connected to the end of described swing arm, make described four-head sand-blasting gun entirety also structure axisymmetricly, described oscillatory gearing mechanism is fixedly connected in described swing arm, described oscillatory gearing mechanism swings by driving described swing arm, drives described four-head sand-blasting gun to swing.
As preferably, described first connector is provided with the first Long Circle through hole in described first active connection place, described 3rd connector is provided with the second Long Circle through hole in described first active connection place, the semi-circular portions of described first Long Circle through hole is identical with the diameter of the semi-circular portions of described second Long Circle through hole, the length of described second Long Circle through hole is greater than the length of described first Long Circle through hole, when needs make described first to be flexibly connected fixing, by least one fastening bolt, described first connector is fixed relative to the position of described 3rd connector.
As preferably, described second connector is provided with the 3rd Long Circle through hole in described second active connection place, described 3rd connector is provided with the 4th Long Circle through hole in described second active connection place, the semi-circular portions of described 3rd Long Circle through hole is identical with the diameter of the semi-circular portions of described 4th Long Circle through hole, the length of described 4th Long Circle through hole is greater than the length of described 3rd Long Circle through hole, when needs make described second to be flexibly connected fixing, by least one fastening bolt, described second connector is fixed relative to the position of described 3rd connector.
As preferably, described radial distance governor motion also comprises slider-actuated mechanism, and described slider-actuated mechanism is radially sliding for driving described slide block.
As preferably, described slider-actuated mechanism comprises telescoping mechanism, and described telescoping mechanism comprises stiff end and sliding end, and described sliding end radially can slide relative to described stiff end, and described slide block is fixedly connected on described sliding end.
As preferably, between described sliding end and described stiff end, form sliding pair.
As preferably, described sliding end is cylinder.
As preferably, also comprise guiding mechanism, described guiding mechanism is used for for described slide block radially slide-and-guide.
As preferably, described slide block offers the first through hole, described guiding mechanism comprises feed rod, the first feed rod holder and the second feed rod holder, described feed rod is through the first through hole described, one end of described feed rod is fixedly connected on described first feed rod holder, the other end is fixedly connected on described second feed rod holder, and described slide block forms sliding pair by the first through hole described and described feed rod.
As preferably, described four-head sand-blasting gun also comprises limit adjusting mechanism, described limit adjusting mechanism comprises spacing regulating block and leading screw, described spacing regulating block is fixedly connected on described leading screw, described slide block also offers the second through hole parallel with the first through hole described, described leading screw is through described the second through hole, screw thread pair is formed between described leading screw and described first feed rod holder and the second feed rod holder, described spacing regulating block offers the third through hole, and described spacing regulating block forms sliding pair by the third through hole described and described feed rod.
Two double end sand-blasting guns are joined together to form a structure axisymmetricly on the whole by swing arm by four-head sand-blasting gun provided by the invention.First rifle head of the double end sand-blasting gun wherein applied and the second rifle head pass through by the first connector, the coupling assembling that second connector and the 3rd connector combine becomes one, compared with independently automatic sand-blasting rust-removing oscillating, derusting by sandblasting efficiency brings up to twice, and, four-head sand-blasting gun provided by the invention can pass through by the first connector, the center distance regulating mechanism that the coupling assembling that second connector and the 3rd connector combine combines regulates the centre-to-centre spacing between the first rifle head and the second rifle head, when regulating the first rifle head and the second rifle head at automatically abrasive blasting rust-cleaning machine installation in position by radial distance governor motion and depart from pipeline, radial distance adjustment is carried out to the first rifle head and the second rifle head, thus can protect the first rifle head and the second rifle head and adapt to different pipe diameter sandblasting demand.After two double end sand-blasting guns are superposed by swing arm, derusting by sandblasting efficiency can bring up to four times further.
Accompanying drawing explanation
The general construction schematic diagram of the four-head sand-blasting gun that Fig. 1 provides for the embodiment of the present invention;
The general construction schematic diagram of the double end sand-blasting gun applied in the four-head sand-blasting gun that Fig. 2 provides for the embodiment of the present invention;
The stereogram of a typical directions of double end sand-blasting gun on the four-head sand-blasting gun that Fig. 3 provides for the embodiment of the present invention;
The stereogram of another typical directions of double end sand-blasting gun on the four-head sand-blasting gun that Fig. 4 provides for the embodiment of the present invention;
The stereogram of the swing mount pad of double end sand-blasting gun application on the four-head sand-blasting gun that Fig. 5 provides for the embodiment of the present invention;
The stereogram of a typical directions of the radial distance governor motion of double end sand-blasting gun application on the four-head sand-blasting gun that Fig. 6 provides for the embodiment of the present invention;
The stereogram that the center distance regulating mechanism combined by the first connector, the second connector and the 3rd connector of double end sand-blasting gun application on the four-head sand-blasting gun that Fig. 7 provides for the embodiment of the present invention and the first rifle head and the second rifle head link together;
The stereogram of the oscillatory gearing mechanism applied in the four-head sand-blasting gun that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
In order to understand the present invention in depth, below in conjunction with drawings and the specific embodiments, the present invention is described in detail.
See accompanying drawing 1 ~ 8, four-head sand-blasting gun provided by the invention comprises two double end sand-blasting gun A
1and A
2, swing arm B and oscillatory gearing mechanism C, this double end sand-blasting gun comprises swing mount pad 1, first rifle head 35a, second rifle head 35b, center distance regulating mechanism and radial distance governor motion, swing mount pad 1 and be fixedly connected on radial distance governor motion, swing radial direction and the first rifle head 35a of mount pad, the setting direction of the second rifle head 35b is vertical, center distance regulating mechanism comprises the first connector 33a, second connector 33b and the 3rd connector 51, first connector 33a one end is fixedly connected on the first rifle head 35a, second connector 33b one end is fixedly connected on the second rifle head 35b, the first connector 33a other end and the 3rd connector 51 form first and to be flexibly connected and/or the other end of the second connector 33b forms second with the 3rd connector 51 and is flexibly connected, first be flexibly connected and/or second be flexibly connected can drive the first rifle head 35a relative with the second rifle head 35b away from or close, radiai adjustment mechanism comprises slide block 210,3rd connector 51 is also fixedly connected on slide block 210 by installing plate 31, slide block 210 can drive the 3rd connector 51 to carry out radial distance adjustment by the slip of self, and then the 3rd connector 51 drives the first rifle head 35a and the second rifle head 35b to carry out radial distance adjustment.Swing arm B structure axisymmetricly, two double end sand-blasting gun A
1and A
2by respective swing mount pad, by bolt E, be connected to the end of swing arm B, make four-head sand-blasting gun entirety also structure axisymmetricly, oscillatory gearing mechanism C is fixedly connected on swing arm B by bolt D, and oscillatory gearing mechanism C swings by driving swing arm B, drives four-head sand-blasting gun to swing.
Four-head sand-blasting gun provided by the invention is by two double end sand-blasting gun A
1and A
2a structure axisymmetricly is on the whole joined together to form by swing arm B.The double end sand-blasting gun A wherein applied
1and A
2the first rifle head 35a and the second rifle head 35b by by the first connector 33a, the coupling assembling that second connector 33b and the 3rd connector 51 combine becomes one, compared with independently automatic sand-blasting rust-removing oscillating, derusting by sandblasting efficiency brings up to twice, and, four-head sand-blasting gun provided by the invention can pass through by the first connector 33a, the center distance regulating mechanism that the coupling assembling that second connector 33b and the 3rd connector 51 combine combines regulates the centre-to-centre spacing between the first rifle head 35a and the second rifle head 35b, when regulating the first rifle head 35a and the second rifle head 35b at automatically abrasive blasting rust-cleaning machine installation in position by radial distance governor motion and depart from pipeline, radial distance adjustment is carried out to the first rifle head 35a and the second rifle head 35b, thus can protect the first rifle head 35a and the second rifle head 35b and adapt to different pipe diameter sandblasting demand.Two double end sand-blasting gun A
1and A
2after individual swing arm B excessively superposition, derusting by sandblasting efficiency can bring up to four times further.
Wherein, see accompanying drawing 7, as a kind of concrete implementation that first is flexibly connected, first connector 33a is provided with the first Long Circle through hole 61a in the first active connection place, 3rd connector 51 is provided with the second Long Circle through hole 62a in the first active connection place, the semi-circular portions of the first Long Circle through hole 61a is identical with the diameter of the semi-circular portions of the second Long Circle through hole 62a, the length of the second Long Circle through hole 62a is greater than the length of the first Long Circle through hole 61a, when needs make the first flexible connection fix, by at least one fastening bolt 32a, the first connector 33a is fixed relative to the position of the 3rd connector 51.In the present embodiment, the quantity of fastening bolt 32a is 2, be in two semi-circular portions of the first Long Circle through hole 61a respectively, and, the diameter of the screw portion of fastening bolt 32a is all identical with the diameter of two semi-circular portions of two semi-circular portions of the first Long Circle through hole 61a, the second Long Circle through hole 62a, thus, when the first connector 33a fixes relative to the position of the 3rd connector 51, prevent the first connector 33a from shaking relative to the 3rd connector 51, affect fixed effect.Wherein, the effect that first Long Circle through hole 61a is identical with the semi-circular portions diameter of the second Long Circle through hole 62a makes when the first connector 33a produces relative displacement relative to the 3rd connector 51, this displacement all the time linearly, thus ensures locating all the time at grade foremost of the first rifle head 35a and the second rifle head 35b.In this case, the relative displacement between the first connector 33a and the 3rd connector 51 is the difference of the length of the second Long Circle through hole 62a and the first Long Circle through hole 61a to the maximum.
Wherein, see accompanying drawing 7, as a kind of concrete implementation that second is flexibly connected, second connector 33b is provided with the 3rd Long Circle through hole 61b in the second active connection place, 3rd connector 51 is provided with the 4th Long Circle through hole 62b in the second active connection place, the semi-circular portions of the 3rd Long Circle through hole 61b is identical with the diameter of the semi-circular portions of the 4th Long Circle through hole 62b, the length of the 4th Long Circle through hole 62b is greater than the length of the 3rd Long Circle through hole 61b, when needs make the second flexible connection fix, by at least one fastening bolt 32b, the second connector 33b is fixed relative to the position of the 3rd connector 51.In the present embodiment, the quantity of fastening bolt 32b is 2, be in two semi-circular portions of the 3rd Long Circle through hole 61b respectively, and, the diameter of the screw portion of fastening bolt 32b is all identical with the diameter of two semi-circular portions of two semi-circular portions of the 3rd Long Circle through hole 61b, the 4th Long Circle through hole 62b, thus, when the second connector 33b fixes relative to the position of the 3rd connector 51, prevent the second connector 33b from shaking relative to the 3rd connector 51, affect fixed effect.Wherein, the effect that 3rd Long Circle through hole 61b is identical with the semi-circular portions diameter of the 4th Long Circle through hole 62b makes when the second connector 33b produces relative displacement relative to the 3rd connector 51, this displacement all the time linearly, thus ensures locating all the time at grade foremost of the first rifle head 35a and the second rifle head 35b.In this case, the relative displacement between the second connector 33b and the 3rd connector 51 is the difference of the length of the 4th Long Circle through hole 62b and the 3rd Long Circle through hole 61b to the maximum.
Wherein, if arrange said structure in the first active connection place and the second active connection place simultaneously, then the maximum of the relative displacement that can produce between the first rifle head 35a and the second rifle head 35 is above-mentioned two maximum relative displacement sums.
Wherein, radial distance governor motion also comprises slider-actuated mechanism, and slider-actuated mechanism is radially sliding for driving slide block 210.Wherein, as a kind of concrete implementation of slider-actuated mechanism, slider-actuated mechanism comprises telescoping mechanism, and telescoping mechanism comprises stiff end and sliding end, and sliding end radially can slide relative to stiff end, and slide block 210 is fixedly connected on sliding end.
Wherein, sliding pair is formed between sliding end and stiff end, such as, sliding end and stiff end can be can form two of sliding pair with steel pipe, and first steel pipe is stiff end, second steel pipe is sliding end, second steel pipe socket is located at the outside of first steel pipe, and slide block 210 is fixedly connected with second with on the outer wall of steel pipe, now, when second steel pipe slides relative to first steel pipe, movable slider 210 can be with to slide together.
Wherein, see accompanying drawing 3 and accompanying drawing 6, sliding end is cylinder 28.Now, it is realize adjustment by air admission hole 41 or 42 air inlet to cylinder 28 that the adjustment due to cylinder 28 pairs of slide blocks 210 belongs to machinery adjustment, and high to the adjustment accuracy of air inflow, therefore, adjustment accuracy is high compared with the accuracy of manual adjustments.
Wherein, four-head sand-blasting gun also comprises guiding mechanism, and guiding mechanism is used for for slide block radially slide-and-guide.Thus, when ensureing that slide block 210 produces relative sliding, locate on the same line all the time, and deflection does not occur.
Wherein, see accompanying drawing 6, slide block 210 offers the first through hole, guiding mechanism comprises feed rod 214b, the first feed rod holder 21 and the second feed rod holder 216, feed rod 214b is through the first through hole, one end of feed rod 214b is fixedly connected on the first feed rod holder 21, and the other end is fixedly connected on the second feed rod holder 216, and slide block 210 forms sliding pair by the first through hole and feed rod 214b.In the present embodiment, also comprise feed rod 214a, one end of feed rod 214a is fixedly connected on the first feed rod holder 21, the other end is fixedly connected on the second feed rod holder 216, feed rod 214a (is divided spacer 211 to be divided into 212a and 212b by linear bearing by a linear bearing 212, wherein 212a and 212b is applicable to the round slip of slide block 210 respectively) slide, this linear bearing 212 (is divided spacer 211 to be divided into 212a and 212b by linear bearing, wherein 212a and 212b is applicable to the round slip of slide block 210 respectively) be fixedly connected on slide block 210, thus, make slide block 210 more smooth-going when sliding.
Wherein, see accompanying drawing 6, four-head sand-blasting gun also comprises limit adjusting mechanism, limit adjusting mechanism comprises spacing regulating block 29 and leading screw 215, spacing regulating block 29 is fixedly connected on leading screw 215, slide block 210 also offers the second through hole parallel with the first through hole, leading screw 215 is through the second through hole, leading screw 215 and form screw thread pair between the first feed rod holder 21 and the second feed rod holder 216, leading screw 215 is disposed with positioning sleeve 217 and holding screw 218 in the outside of the second feed rod holder 216, wherein, the effect of positioning sleeve 217 is between leading screw 215 and the second feed rod holder 216, the screw thread pair of formation is spacing, the effect of holding screw 218 makes rotary handle 219 be fixed on leading screw 215, spacing regulating block 29 offers the third through hole, spacing regulating block 29 forms sliding pair by the third through hole and feed rod 214a and 214b.In the present embodiment, leading screw 215 is also fixedly connected with rotary handle 219, by this rotary handle 219, screw thread pair can be regulated, and then drive spacing regulating block 29 to be adjusted together, slide block 210 is in sliding process, if run into spacing regulating block 29, it continues motion and will be terminated, thus, spacing effect is played to the slip of slide block 210, by regulating screw thread pair, the distance of spacing regulating block 29 to the first feed rod holder 21 can be regulated, adjust the maximum displacement that slide block 210 is allowed further, to adapt to different pipe diameter sandblasting demand.
In addition, in the present embodiment, the stiff end of cylinder 28 is rigidly fixed by cylinder hold-down nut 22a and 22b and is connected to the first feed rod holder 21, is fixedly connected on slide block 210 by cylinder hold-down nut 23, cylinder L shape holder 24, cylinder stay bolt 25, cylinder square mounting 27, the square hold-down screw 26 of cylinder.
The present invention forms: the double end sand-blasting gun adjusting device that a kind of four-head sand-blasting gun is applied, and forms primarily of swing mount pad 1, radiai adjustment mechanism 2, amplitude of oscillation governor motion 3, six screws 4 and seven screws 5.
Wherein swing mount pad 1 to be made up of linear slide bearing 11, circlip for hole 12, pedestal 13.
Radiai adjustment mechanism 2 is by the first feed rod holder 21, cylinder hold-down nut 22 (comprising 22a and 22b), cylinder hold-down nut 23, cylinder L-type holder 24, cylinder stay bolt 25, square mounting screw 26, cylinder square mounting 27, cylinder 28, spacing regulating block 29, slide block 210, linear bearing divides spacer 211, linear bearing 212 (comprises 212a and 212b, wherein 212a and 212b is applicable to the round slip of slide block 210 respectively), circlip for hole 213, feed rod 214, leading screw 215, holder 216, positioning sleeve 217, holding screw 218 rotary handle 219 forms.
Amplitude of oscillation governor motion 3 is made up of installing plate 31 (one-body molded with the 3rd connector 51), bolt 32, sickleshaped adjustment structure 33 i.e. the first connector 33a and the second connector 33b, bolt 34 (comprising 34a and 34b), sand-blasting gun 35 (comprising the first rifle head 35a and the second rifle head 35b).
Assembly relation:
Radiai adjustment mechanism 2 is fixed on by screw 5 and swings on mount pad 1, and amplitude of oscillation governor motion 3 is connected with radiai adjustment mechanism 2 by screw 4.Linear slide bearing 11 is fixed in pedestal 13 by circlip for hole 12.
Cylinder 28 is connected with the first feed rod holder 21 by cylinder hold-down nut 22 (comprising 22a with 22b), is connected on slide block 210 after cylinder hold-down nut 23 and cylinder L-type holder 24 are fixing by cylinder stay bolt 25.Cylinder 28 is connected on slide block 210 through square mounting screw 26 and cylinder square mounting 27.
Feed rod 214 (comprising 214a and 214b) is fixed between holder 21 and holder 216 by the installing hole of holder 21 and holder 216, linear bearing 212 (comprises 212a and 212b, wherein 212a and 212b is applicable to the round slip of slide block 210 respectively) divide spacer 211 to separate by linear bearing, be installed within slide block 210 by circlip for hole 213, slide block 210 is moved on feed rod 214 by linear bearing 212 (comprise 212a and 212b, wherein 212a and 212b is applicable to the round slip of slide block 210 respectively).
Leading screw 215 is fixed between the first feed rod holder 21 and the second feed rod holder 216 by the installing hole of the first feed rod holder 21 and the second feed rod holder 216, positioning sleeve 217 is between the second feed rod holder 216 and rotary handle 219, and rotary handle 219 is fixed on leading screw 215 by holding screw 218.Spacing regulating block 29 is between the first feed rod holder 21 slide block 210.
The first connector 33a in amplitude of oscillation governor motion 3 becomes sickleshaped with the second connector 33b, be connected with installing plate 31 (one-body molded with the 3rd connector 51) respectively by bolt 32a with 32b, sand-blasting gun 35 (comprising the first rifle head 35a and the second rifle head 35b) is installed on sickleshaped adjustment structure i.e. the first connector 33a and the second connector 33b by bolt 34 (comprising bolt 34a and 34b).
The course of work of the present invention is:
Sand-blasting gun (comprising the first rifle head 35a and 35b) centre distance regulates: sand-blasting gun 35 (comprising the first rifle head 35a and the second rifle head 35b) is mounted on sickleshaped adjustment structure i.e. the first connector 33a and the second connector 33b by bolt 34 (comprising 34a and 34b), unclamp bolt 32 (comprising 32a and 32b), symmetrical mobile two i.e. the first connector 33a and the second connector 33b of sickleshaped adjustment structure, regulate centre distance between sand-blasting gun 35 (comprising the first rifle head 35a and the second rifle head 35b), according to sand-blasting machine, pipeline derusting by sandblasting width is regulated centre distance required between sand-blasting gun (comprising the first rifle head 35a and the second rifle head 35b), to reach efficient derusting by sandblasting demand.
Adapt to different tube diameters: according to sandblasting pipeline different tube diameters sandblasting demand, the final distance that adjustment sand-blasting gun first rifle head 35a and 35b moves radially.Leading screw 215 is driven to rotate by rotating rotary handle 219, worm drive result makes spacing regulating block 29 move at leading screw 215, carry out spacing to the final distance that sand-blasting gun (comprising the first rifle head 35a and the second rifle head 35b) moves radially, make sand-blasting gun (comprising the first rifle head 35a and and the second rifle head 35b) tube wall of can just in time fitting, ensure that the steel sand of sandblasting work can not be revealed at tube wall place, meanwhile, sand-blasting gun (comprising the first rifle head 35a and the second rifle head 35b) is moderate in pipeline axial frictional force with tube wall.
Control system controls the source of the gas direction entering cylinder 28, after sand-blasting machine is in place, source of the gas is connected the piston cylinder promoting cylinder 28 and is moved to close to pipeline outer wall direction, consequently: drive together with amplitude of oscillation governor motion 3 with the slide block 210 that cylinder 28 connects and move, until slide block 210 limited regulating block 29 mechanical position limitation.Now, sand-blasting gun (comprising the first rifle head 35a and the second rifle head 35b) tube wall of just in time fitting, ensure that the steel sand of sandblasting work can not be revealed at tube wall place, meanwhile, sand-blasting gun (comprising the first rifle head 35a and and the second rifle head 35b) is moderate in pipeline axial frictional force with tube wall.
In place complete after, control system sends action command to oscillating motor, oscillating motor drives oscillation actuating mechanism to swing, and oscillation actuating mechanism is connected with the pedestal 13 swinging mount pad 1 in the double end sand-blasting gun adjusting device that the double end sand-blasting gun that four-head sand-blasting gun is applied is applied.Slided on feed rod 214a and 214b by linear slide bearing 11, thus drive the double end sand-blasting gun adjusting device that four-head sand-blasting gun is applied to carry out swing derusting by sandblasting work.
See accompanying drawing 8, oscillatory gearing mechanism C is comprised drive motors 81, L shape connecting plate 83 and gear 84, L shape connecting plate 83 and utilizes a face, is fixedly connected on by screw 82 that motor 81, L shape connecting plate utilizes another face, screw D is fixedly connected on swing arm B.Gear 84 in suitable adjustment oscillatory gearing mechanism C and the kneading distance swinging tooth bar, be connected to oscillatory gearing mechanism C on swing arm B by four screw D, whole four-head automatic sand-blasting rust-removing oscillating can be swung smoothly in four-head derusting by sandblasting equipment.
After derusting by sandblasting work completes, control system controls the source of the gas direction entering cylinder 28, source of the gas is connected the piston cylinder promoting cylinder 28 and is moved to away from pipeline outer wall direction, consequently: drive together with amplitude of oscillation governor motion 3 with the slide block 210 that cylinder 28 connects and move, until cylinder 28 reaches end travel position, now, sand-blasting gun (comprising the first rifle head 35a and the second rifle head 35b), away from pipeline outer wall, is convenient to the shift operation of abrasive blasting rust-cleaning machine.
A kind of four-head sand-blasting gun adjusting device of the present invention, provides a kind of automatic sand blasting adjusting device.This adjusting device installation in position is convenient, can adapt to different tube diameters sandblasting requirement, adapt to larger sandblasting amplitude adjusted, and pipeline radiai adjustment fast, conveniently, radial location is accurate.Result shows, a kind of four-head sand-blasting gun of the present invention adjusting device can increase substantially derusting by sandblasting efficiency, and swing dependable performance, effect is better.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a four-head sand-blasting gun, is characterized in that, comprises two double end sand-blasting guns, swing arm and oscillatory gearing mechanisms,
Described double end sand-blasting gun comprises swing mount pad, first rifle head, second rifle head, center distance regulating mechanism and radial distance governor motion, described swing mount pad is fixedly connected on described radial distance governor motion, the radial direction of described swing mount pad and described first rifle head, the setting direction of the second rifle head is vertical, described center distance regulating mechanism comprises the first connector, second connector and the 3rd connector, described first connector one end is fixedly connected on described first rifle head, described second connector one end is fixedly connected on described second rifle head, the described first connector other end and described 3rd connector form first and to be flexibly connected and/or the other end of described second connector forms second with described 3rd connector and is flexibly connected, described first be flexibly connected and/or second be flexibly connected can drive described first rifle head relative with the second rifle head away from or close, described radiai adjustment mechanism comprises slide block, described 3rd connector is also fixedly connected on described slide block, described slide block can drive described 3rd connector to carry out radial distance adjustment by the slip of self, and then described 3rd connector drives described first rifle head and the second rifle head to carry out radial distance adjustment,
Described swing arm structure axisymmetricly, described two double end sand-blasting guns are by respective swing mount pad, be connected to the end of described swing arm, make described four-head sand-blasting gun entirety also structure axisymmetricly, described oscillatory gearing mechanism is fixedly connected in described swing arm, described oscillatory gearing mechanism swings by driving described swing arm, drives described four-head sand-blasting gun to swing.
2. four-head sand-blasting gun according to claim 1, it is characterized in that, described first connector is provided with the first Long Circle through hole in described first active connection place, described 3rd connector is provided with the second Long Circle through hole in described first active connection place, the semi-circular portions of described first Long Circle through hole is identical with the diameter of the semi-circular portions of described second Long Circle through hole, the length of described second Long Circle through hole is greater than the length of described first Long Circle through hole, when needs make described first to be flexibly connected fixing, by at least one fastening bolt, described first connector is fixed relative to the position of described 3rd connector.
3. four-head sand-blasting gun according to claim 1, it is characterized in that, described second connector is provided with the 3rd Long Circle through hole in described second active connection place, described 3rd connector is provided with the 4th Long Circle through hole in described second active connection place, the semi-circular portions of described 3rd Long Circle through hole is identical with the diameter of the semi-circular portions of described 4th Long Circle through hole, the length of described 4th Long Circle through hole is greater than the length of described 3rd Long Circle through hole, when needs make described second to be flexibly connected fixing, by at least one fastening bolt, described second connector is fixed relative to the position of described 3rd connector.
4. four-head sand-blasting gun according to claim 1, is characterized in that, described radial distance governor motion also comprises slider-actuated mechanism, and described slider-actuated mechanism is radially sliding for driving described slide block.
5. four-head sand-blasting gun according to claim 4, it is characterized in that, described slider-actuated mechanism comprises telescoping mechanism, and described telescoping mechanism comprises stiff end and sliding end, described sliding end radially can slide relative to described stiff end, and described slide block is fixedly connected on described sliding end.
6. four-head sand-blasting gun according to claim 5, is characterized in that, forms sliding pair between described sliding end and described stiff end.
7. four-head sand-blasting gun according to claim 6, is characterized in that, described sliding end is cylinder.
8. four-head sand-blasting gun according to claim 1, is characterized in that, also comprise guiding mechanism, and described guiding mechanism is used for for described slide block radially slide-and-guide.
9. four-head sand-blasting gun according to claim 8, it is characterized in that, described slide block offers the first through hole, described guiding mechanism comprises feed rod, the first feed rod holder and the second feed rod holder, described feed rod is through the first through hole described, one end of described feed rod is fixedly connected on described first feed rod holder, and the other end is fixedly connected on described second feed rod holder, and described slide block forms sliding pair by the first through hole described and described feed rod.
10. four-head sand-blasting gun according to claim 9, it is characterized in that, also comprise limit adjusting mechanism, described limit adjusting mechanism comprises spacing regulating block and leading screw, described spacing regulating block is fixedly connected on described leading screw, described slide block also offers the second through hole parallel with the first through hole described, described leading screw is through described the second through hole, screw thread pair is formed between described leading screw and described first feed rod holder and the second feed rod holder, described spacing regulating block offers the third through hole, described spacing regulating block forms sliding pair by the third through hole described and described feed rod.
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| CN201410855646.8A CN104552026B (en) | 2014-12-31 | 2014-12-31 | A kind of four-head sand-blasting gun |
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| CN201410855646.8A CN104552026B (en) | 2014-12-31 | 2014-12-31 | A kind of four-head sand-blasting gun |
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| CN104552026B CN104552026B (en) | 2017-01-04 |
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| CN107775541A (en) * | 2017-12-14 | 2018-03-09 | 成都工具研究所有限公司 | Sand-blasting gun fixing device |
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Also Published As
| Publication number | Publication date |
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| CN104552026B (en) | 2017-01-04 |
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