CN104552026B - A kind of four-head sand-blasting gun - Google Patents
A kind of four-head sand-blasting gun Download PDFInfo
- Publication number
- CN104552026B CN104552026B CN201410855646.8A CN201410855646A CN104552026B CN 104552026 B CN104552026 B CN 104552026B CN 201410855646 A CN201410855646 A CN 201410855646A CN 104552026 B CN104552026 B CN 104552026B
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- Prior art keywords
- connector
- hole
- rifle head
- sand
- head
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Classifications
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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
Abstract
The invention provides a kind of four-head sand-blasting gun, belong to oil and gas pipes sandblasting patch technology field.Including two double end sand-blasting guns, swing arm and oscillatory gearing mechanism.This double end sand-blasting gun includes swinging mounting seat, first rifle head, second rifle head, center distance regulating mechanism and radial distance governor motion, its by the first rifle head and the second rifle head by being integrally forming by connecting component set, derusting by sandblasting efficiency brings up to twice, and, it can regulate the centre-to-centre spacing between the first rifle head and the second rifle head by the center distance regulating mechanism being made up of this connection assembly, regulate the first rifle head and the second rifle head by radial distance governor motion, when automatically abrasive blasting rust-cleaning machine installs in place and disengaging pipeline, the first rifle head and the second rifle head are carried out radial distance regulation, it is thus possible to the first rifle head and the second rifle head are protected and adapt to different pipe diameter sandblasting demand.Two double end sand-blasting guns are by after swing arm superposition, and derusting by sandblasting efficiency can be further increased to four times.
Description
Technical field
The present invention relates to oil and gas pipes sandblasting patch technology field, particularly to 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 is required for being coated with
Apply repaired mouth to process.And in field joints coating technology, first operation seeks to enter the pipeline external surface in the range of repaired mouth
Row rust cleaning, 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 the widest
General.The domestic automatic sand blasting equipment developed and be successfully applied to offshore oil pipeline corrosion protection repaired mouth.Should
Automatic sand blasting equipment uses two relatively independent automatic sand-blasting rust-removing oscillatings to enter pipe surface altogether
Row derusting by sandblasting.
But, along with being gradually increased of oil and gas pipes diameter, independent automatic sand-blasting rust-removing oscillating without
Method meets the abrasive blasting rust-cleaning machine requirement to pipeline rust cleaning efficiency.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of four-head sand-blasting gun, and this four-head sand-blasting gun can pass through
Adjusting means simultaneously in this four-head sand-blasting gun application double end sand-blasting gun two sand-blasting guns radial distance and
Centre-to-centre spacing is adjusted.
The four-head sand-blasting gun that the present invention provides includes two double end sand-blasting guns, swing arm and oscillatory gearing mechanism,
Described double end sand-blasting gun include swing mounting seat, the first rifle head, the second rifle head, center distance regulating mechanism and
Radial distance governor motion, described swing mounting seat is fixedly connected on described radial distance governor motion, described pendulum
The radial direction of dynamic mounting seat is vertical with the setting direction of described first rifle head, the second rifle head, described centre-to-centre spacing regulation machine
Structure includes that the first connector, the second connector and the 3rd connector, described first connector one end are fixedly connected on
Described first rifle head, described second connector one end is fixedly connected on described second rifle head, described first connector
The other end constitutes first with described 3rd connector and is flexibly connected and/or the other end of described second connector and institute
Stating the 3rd connector and constitute the second flexible connection, described first flexible connection and/or second is flexibly connected and can carry
Dynamic described first rifle head and/or the second rifle head are relatively distant from or close;Described radial distance governor motion includes
Slide block, described 3rd connector is also fixedly connected on described slide block, and described slide block can be carried by the slip of self
Dynamic described 3rd connector carries out radial distance regulation, and then, described 3rd connector drives described first rifle head
Radial distance regulation is carried out with the second rifle head;
Described swing arm structure axisymmetricly, said two double end sand-blasting gun is by respective swing mounting seat, respectively
It is connected to the end of described swing arm so that described four-head sand-blasting gun entirety structure the most axisymmetricly, described swing is driven
Dynamic device is fixedly connected in described swing arm, and described oscillatory gearing mechanism, by driving described swing arm to swing, drives
Described four-head sand-blasting gun swings.
As preferably, described first connector is provided with the first Long Circle through hole, institute in described first active connection place
Stating the 3rd connector and be provided with the second Long Circle through hole in described first active connection place, described first Long Circle leads to
The semi-circular portions in hole is identical with the diameter of the semi-circular portions of described second Long Circle through hole, described second Long Circle
The length of through hole, more than the length of described first Long Circle through hole, is fixed when needs make described first to be flexibly connected
Time, make described first connector solid relative to the position of described 3rd connector by least one fastening bolt
Fixed.
As preferably, described second connector is provided with the 3rd Long Circle through hole, institute in described second active connection place
Stating the 3rd connector and be provided with the 4th Long Circle through hole in described second active connection place, described 3rd Long Circle leads to
The semi-circular portions in hole is identical with the diameter of the semi-circular portions of described 4th Long Circle through hole, described 4th Long Circle
The length of through hole, more than the length of described 3rd Long Circle through hole, is fixed when needs make described second to be flexibly connected
Time, make described second connector solid relative to the position of described 3rd connector by least one fastening bolt
Fixed.
As preferably, described radial distance governor motion also includes slider-actuated mechanism, described slider-actuated mechanism
For driving described slide block radially sliding.
As preferably, described slider-actuated mechanism includes that telescoping mechanism, described telescoping mechanism include fixing end and slide
Moved end, described sliding end radially can slide relative to described fixing end, and described slide block is fixedly connected on described
Sliding end.
As preferably, between described sliding end and described fixing end, constitute sliding pair.
As preferably, described sliding end is cylinder.
As preferably, also including guiding mechanism, described guiding mechanism is used for as described slide block radially slide-and-guide.
As preferably, described slide block offering the first through hole, described guiding mechanism includes feed rod, the first light
Seat fixed by thick stick and the second feed rod fixes seat, and described feed rod passes the first through hole described, and one end of described feed rod is solid
Surely being connected to described first feed rod and fix seat, the other end is fixedly connected on described second feed rod and fixes seat, described cunning
Block constitutes sliding pair by the first through hole described with described feed rod.
As preferably, described four-head sand-blasting gun also includes that limit adjusting mechanism, described limit adjusting mechanism include limit
Position regulating block and leading screw, described spacing regulating block is fixedly connected on described leading screw, described slide block is further opened with
The second through hole that the first through hole described is parallel, described leading screw pass described the second through hole, described leading screw with
Described first feed rod fixes seat and the second feed rod fixes composition screw thread pair between seat, and described spacing regulating block is opened
Being provided with the third through hole, described spacing regulating block constitutes sliding pair by the third through hole described with described feed rod.
Two double end sand-blasting guns are joined together to form one by swing arm by the four-head sand-blasting gun that the present invention provides
Structure the most axisymmetricly.First rifle head of the double end sand-blasting gun wherein applied and the second rifle head by by
The connection component set that first connector, the second connector and the 3rd connector combine is integrally forming, with independence
Automatic sand-blasting rust-removing oscillating compare, derusting by sandblasting efficiency brings up to twice, and, the present invention provide
Four-head sand-blasting gun can be by the connection combined by the first connector, the second connector and the 3rd connector
The center distance regulating mechanism that assembly combines regulates the centre-to-centre spacing between the first rifle head and the second rifle head, passes through
Radial distance governor motion regulates the first rifle head and the second rifle head and installs in place at automatically abrasive blasting rust-cleaning machine and depart from
During pipeline, the first rifle head and the second rifle head are carried out radial distance regulation such that it is able to the first rifle head and second
Rifle head carries out protecting and adapt to different pipe diameter sandblasting demand.After two double end sand-blasting guns pass through swing arm superposition,
Derusting by sandblasting efficiency can be further increased to four times.
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;
In the four-head sand-blasting gun that Fig. 2 provides for the embodiment of the present invention, the general construction of the double end sand-blasting gun of application shows
It is intended to;
On the four-head sand-blasting gun that Fig. 3 provides for the embodiment of the present invention, a typical directions of double end sand-blasting gun is vertical
Body figure;
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
Axonometric chart;
The swing mounting seat 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
Axonometric chart;
The radial distance regulation 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 axonometric chart of one typical directions of mechanism;
On the four-head sand-blasting gun that Fig. 7 provides for the embodiment of the present invention application of double end sand-blasting gun by the first connector,
The center distance regulating mechanism that second connector and the 3rd connector combine connects with the first rifle head and the second rifle head
The axonometric chart being connected together;
The axonometric chart of the oscillatory gearing mechanism of application 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 the accompanying drawings and specific embodiment the present invention is described in detail.
Seeing accompanying drawing 1~8, the four-head sand-blasting gun that the present invention provides includes two double end sand-blasting gun A1And A2、
Swing arm B and oscillatory gearing mechanism C, this double end sand-blasting gun include swinging mounting seat the 1, first rifle head 35a, the
Two rifle head 35b, center distance regulating mechanism and radial distance governor motion, swing mounting seat 1 and be fixedly connected on footpath
To distance adjusting mechanism, swing radial direction and the first rifle head 35a, the setting direction of the second rifle head 35b of mounting seat
Vertically, center distance regulating mechanism includes the first connector 33a, the second connector 33b and the 3rd connector 51,
First connector 33a one end is fixedly connected on the first rifle head 35a, and second connector 33b one end is fixedly connected on
Second rifle head 35b, the first connector 33a other end and the 3rd connector 51 constitute the first flexible connection and/or
The other end and the 3rd connector 51 of the second connector 33b constitute the second flexible connection, first be flexibly connected and
/ or second be flexibly connected the first rifle head 35a and/or the second rifle head 35b can be driven to be relatively distant from or close;
Radial distance governor motion includes that slide block 210, the 3rd connector 51 are fixedly connected on cunning also by installing plate 31
Block 210, slide block 210 can drive the 3rd connector 51 to carry out radial distance regulation 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 regulation.Pendulum
Arm B structure axisymmetricly, two double end sand-blasting gun A1And A2By respective swing mounting seat, pass through spiral shell
Bolt E, is connected to the end of swing arm B so that four-head sand-blasting gun entirety structure the most axisymmetricly, swings
Driving means C is fixedly connected on swing arm B by bolt D, and oscillatory gearing mechanism C is by driving swing arm B
Swing, drive four-head sand-blasting gun to swing.
The four-head sand-blasting gun that the present invention provides is by two double end sand-blasting gun A1And A2It is connected to one by swing arm B
Rise and form a structure the most axisymmetricly.The double end sand-blasting gun A wherein applied1And A2The first rifle
Head 35a and the second rifle head 35b is by by the first connector 33a, the second connector 33b and the 3rd connector 51
The connection component set combined is integrally forming, and compared with independent automatic sand-blasting rust-removing oscillating, sandblasting removes
Rust efficiency bring up to twice, and, the present invention provide four-head sand-blasting gun can by by the first connector 33a,
What the second connector 33b and the 3rd connector 51 combined connects the centre-to-centre spacing regulation machine that assembly combines
Structure regulates the centre-to-centre spacing between the first rifle head 35a and the second rifle head 35b, is adjusted by radial distance governor motion
Save the first rifle head 35a and the second rifle head 35b automatically abrasive blasting rust-cleaning machine install in place and when departing from pipeline to the
One rifle head 35a and the second rifle head 35b carries out radial distance regulation such that it is able to the first rifle head 35a and
Two rifle head 35b carry out protecting and adapt to different pipe diameter sandblasting demand.Two double end sand-blasting gun A1And A2Logical
After crossing individual swing arm B superposition excessively, derusting by sandblasting efficiency can be further increased to four times.
Wherein, see accompanying drawing 7, as the first a kind of concrete implementation mode being flexibly connected, the first connector
33a is provided with the first Long Circle through hole 61a in the first active connection place, and the 3rd connector 51 is in the first activity even
The place of connecing is provided with the second Long Circle through hole 62a, and the semi-circular portions of the first Long Circle through hole 61a is led to the second Long Circle
The diameter of the semi-circular portions of hole 62a is identical, and the length of the second Long Circle through hole 62a is led to more than the first Long Circle
The length of hole 61a, when needs make the first flexible connection fix, makes by least one fastening bolt 32a
A connection piece 33a fixes relative to the position of the 3rd connector 51.In the present embodiment, fastening bolt 32a
Quantity is 2, is respectively at two semi-circular portions of the first Long Circle through hole 61a, and, fastening bolt
The diameter of the screw portion of 32a and two semi-circular portions of the first Long Circle through hole 61a, the second Long Circle through hole
The diameter of two semi-circular portions of 62a is the most identical, thus, when the first connector 33a is relative to the 3rd connector
When the position of 51 is fixed, preventing the first connector 33a from shaking relative to the 3rd connector 51, impact is solid
Determine effect.Wherein, the semi-circular portions diameter of the first Long Circle through hole 61a and the second Long Circle through hole 62a is identical
Effect be so that when the first connector 33a produces relative displacement relative to the 3rd connector 51, this displacement
The most linearly, thus ensure that being in the most all the time of the first rifle head 35a and the second rifle head 35b is same flat
On face.In this case, the relative displacement between the first connector 33a and the 3rd connector 51 is to the maximum
The difference of the length of two Long Circle through hole 62a and the first Long Circle through hole 61a.
Wherein, see accompanying drawing 7, as the second a kind of concrete implementation mode being flexibly connected, the second connector
33b is provided with the 3rd Long Circle through hole 61b in the second active connection place, and the 3rd connector 51 is in the second activity even
The place of connecing is provided with the 4th Long Circle through hole 62b, and the semi-circular portions of the 3rd Long Circle through hole 61b is led to the 4th Long Circle
The diameter of the semi-circular portions of hole 62b is identical, and the length of the 4th Long Circle through hole 62b is led to more than the 3rd Long Circle
The length of hole 61b, when needs make the second flexible connection fix, is made by least one fastening bolt 32b
Second connector 33b fixes relative to the position of the 3rd connector 51.In the present embodiment, fastening bolt 32b
Quantity be 2, be respectively at two semi-circular portions of the 3rd Long Circle through hole 61b, and, fasten spiral shell
The diameter of the screw portion of bolt 32b and two semi-circular portions of the 3rd Long Circle through hole 61b, the 4th Long Circle
The diameter of two semi-circular portions of through hole 62b is the most identical, thus, when the second connector 33b is relative to the 3rd
When the position of connector 51 is fixed, prevent the second connector 33b from shaking relative to the 3rd connector 51,
Affect fixed effect.Wherein, the 3rd Long Circle through hole 61b and the semi-circular portions of the 4th Long Circle through hole 62b
The effect that diameter is identical is so that when the second connector 33b produces relative displacement relative to the 3rd connector 51
Time, this displacement the most linearly, thus ensure the first rifle head 35a and the second rifle head 35b the most all the time
Place is at grade.In this case, the phase para-position between the second connector 33b and the 3rd connector 51
Move the difference of the length being 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 first
The maximum of the relative displacement that can produce between rifle head 35a and the second rifle head 35 is that above-mentioned two is maximum relatively
Displacement sum.
Wherein, radial distance governor motion also includes that slider-actuated mechanism, slider-actuated mechanism are used for driving slide block
210 are radially sliding.Wherein, as a kind of concrete implementation mode of slider-actuated mechanism, slider-actuated machine
Structure includes that telescoping mechanism, telescoping mechanism include fixing end and sliding end, and sliding end can be relative to fixing end along footpath
To slip, slide block 210 is fixedly connected on sliding end.
Wherein, constituting sliding pair between sliding end and fixing end, such as, sliding end and fixing end can be can
The two of composition sliding pair are with steel pipe, and first steel pipe is fixing end, and second steel pipe is sliding end, second steel
Pipe box is located at the outside of first steel pipe, and slide block 210 is fixing to be connected with second with on the outer wall of steel pipe, now,
When second steel pipe slides relative to first steel pipe, it is possible to band movable slider 210 slides together.
Wherein, seeing accompanying drawing 3 and accompanying drawing 6, sliding end is cylinder 28.Now, owing to cylinder 28 is to slide block
It is by realizing adjusting to air inlet 41 or 42 air inlet of cylinder 28 that the adjustment of 210 belong to machinery to adjust,
High to the adjustment degree of accuracy of air inflow, therefore, adjust the degree of accuracy height that degree of accuracy more manually regulates.
Wherein, four-head sand-blasting gun also includes guiding mechanism, and guiding mechanism is used for as slide block radially slide-and-guide.
Thus, it is ensured that slide block 210 produces when relatively sliding, and locates on the same line all the time, and does not glances off.
Wherein, see accompanying drawing 6, slide block 210 offer the first through hole, guiding mechanism include feed rod 214b,
First feed rod fixes seat 21 and the second feed rod fixes seat 216, and feed rod 214b passes the first through hole, feed rod
One end of 214b is fixedly connected on the first feed rod and fixes seat 21, and the other end is fixedly connected on the second feed rod and fixes seat
216, slide block 210 constitutes sliding pair by the first through hole with feed rod 214b.In the present embodiment, also include light
Thick stick 214a, one end of feed rod 214a is fixedly connected on the first feed rod and fixes seat 21, and the other end is fixedly connected on
Two feed rods fix seat 216, and feed rod 214a (is separated 211 points of set by linear bearing by a linear bearing 212
Being divided into 212a and 212b, wherein 212a and 212b is respectively suitable for the round slip of slide block 210) slide,
This linear bearing 212 (is divided into 212a and 212b by linear bearing separation set 211, wherein 212a and 212b
It is respectively suitable for the round slip of slide block 210) it is fixedly connected on slide block 210, thus, make slide block 210 slide
More smooth out time dynamic.
Wherein, seeing accompanying drawing 6, four-head sand-blasting gun also includes limit adjusting mechanism, and limit adjusting mechanism includes limit
Position regulating block 29 and leading screw 215, spacing regulating block 29 is fixedly connected on leading screw 215, slide block 210 is also opened
Being provided with the second through hole parallel with the first through hole, leading screw 215 passes the second through hole, leading screw 215
And the first feed rod fixes seat 21 and the second feed rod fixes composition screw thread pair between seat 216, and leading screw 215 is second
What feed rod fixed seat 216 has been orderly arranged outside each positioning sleeve 217 and holding screw 218, wherein, positioning sleeve
The effect of 217 be for leading screw 215 and the second feed rod fix between seat 216 constitute screw thread pair spacing, clamp screw
The effect of nail 218 is to make rotary handle 219 be fixed on leading screw 215, and spacing regulating block 29 offers the
Three kinds of through holes, spacing regulating block 29 constitutes sliding pair by the third through hole with feed rod 214a and 214b.This
In embodiment, leading screw 215 is also fixedly connected with rotary handle 219, by this rotary handle 219, it is possible to
Regulation screw thread pair, and then drives spacing regulating block 29 to be adjusted together, slide block 210 in sliding process, as
Fruit runs into spacing regulating block 29, and it continues motion and will be terminated, thus, the slip to slide block 210 is played
Spacing effect, by regulation screw thread pair, can regulate spacing regulating block the 29 to the first feed rod and fix seat 21
Distance, adjusts the maximum displacement that slide block 210 is allowed further, to adapt to different pipe diameter sandblasting demand.
Additionally, in the present embodiment, the fixing end of cylinder 28 fixes nut 22a by cylinder and 22b rigidity is solid
Surely it is connected to the first feed rod and fixes seat 21, fix nut 23 by cylinder, cylinder L-shaped fixes seat 24, cylinder
Fixing bolt 25, cylinder square mounting 27, the square fixing screw 26 of cylinder are fixedly connected on slide block 210.
The present invention forms: the double end sand-blasting gun adjusting means of application on a kind of four-head sand-blasting gun, mainly by a pendulum
Dynamic 1, radial distance governor motion of mounting seat, 3, six screws 4 and seven of 2, amplitude of oscillation governor motion
Individual screw 5 forms.
Wherein swing mounting seat 1 to be made up of linear slide bearing 11, circlip for hole 12, pedestal 13.
Radial distance governor motion 2 is fixed seat 21 by the first feed rod, cylinder fixes nut 22 (include 22a and
22b), cylinder fixes nut 23, cylinder L-type fixes seat 24, cylinder stay bolt 25, square mounting
Screw 26, cylinder square mounting 27, cylinder 28, spacing regulating block 29, slide block 210, linear bearing divide
(including 212a and 212b, wherein 212a and 212b is respectively suitable for sliding for spacer 211, linear bearing 212
The round slip of block 210), circlip for hole 213, feed rod 214, leading screw 215, fixing seat 216, fixed
Position set 217, holding screw 218 rotary handle 219 form.
Amplitude of oscillation governor motion 3 is by installing plate 31 (one-body molded with the 3rd connector 51), bolt 32, reaping hook
Shape adjustment structure 33 that is first connector 33a and the second connector 33b, bolt 34 (including 34a and 34b),
Sand-blasting gun 35 (including the first rifle head 35a and the second rifle head 35b) forms.
Assembly relation:
Radial distance governor motion 2 is fixed in swing mounting seat 1 by screw 5, amplitude of oscillation governor motion 3
It is connected with radial distance governor motion 2 by screw 4.Linear slide bearing 11 passes through circlip for hole
12 are fixed in pedestal 13.
Cylinder 28 is fixed nut 22 (including 22a and 22b) by cylinder and is fixed seat 21 phase with the first feed rod
Connect, through cylinder fix nut 23 and cylinder L-type fix seat 24 fixing after by cylinder stay bolt 25 even
It is connected on slide block 210.Cylinder 28 is connected to sliding through square mounting screw 26 and cylinder square mounting 27
On block 210.
Feed rod 214 (including 214a and 214b) is fixed by the installing hole of fixing seat 21 with fixing seat 216
Between fixing seat 21 and fixing seat 216, linear bearing 212 (includes 212a and 212b, wherein 212a
With the round slip that 212b is respectively suitable for slide block 210) separated by linear bearing separation set 211, pass through hole
Within being installed on slide block 210 with circlip 213, slide block 210 (includes 212a by linear bearing 212
And 212b, wherein 212a and 212b is respectively suitable for the round slip of slide block 210) transport on feed rod 214
Dynamic.
Leading screw 215 fixes seat 21 by the first feed rod and the second feed rod is fixed the installing hole of seat 216 and is fixed on
One feed rod fixes seat 21 and the second feed rod is fixed between seat 216, and positioning sleeve 217 is positioned at the second feed rod and fixes seat
Between 216 and rotary handle 219, rotary handle 219 is fixed on leading screw 215 by holding screw 218.
Spacing regulating block 29 is fixed between seat 21 slide block 210 at the first feed rod.
The first connector 33a and the second connector 33b in amplitude of oscillation governor motion 3 become sickleshaped, lead to respectively
Cross bolt 32a and 32b to be connected with installing plate 31 (one-body molded with the 3rd connector 51), sand-blasting gun 35
(including the first rifle head 35a and the second rifle head 35b) is installed by bolt 34 (including bolt 34a and 34b)
On sickleshaped adjustment structure that is first connector 33a and the second connector 33b.
The work process of the present invention is:
Sand-blasting gun (including the first rifle head 35a and 35b) centre distance regulates: sand-blasting gun 35 (is included first
Rifle head 35a and the second rifle head 35b) it is mounted on sickleshaped tune by bolt 34 (including 34a and 34b)
On nodule structure that is first connector 33a and the second connector 33b, unclamp bolt 32 (including 32a and 32b),
Symmetrical mobile two sickleshaped adjustment structure that is first connector 33a and the second connector 33b, regulate sand-blasting gun
Centre distance between 35 (including the first rifle head 35a and the second rifle head 35b), according to sandblasting machine to pipeline sandblasting
Centre distance required between sand-blasting gun (including the first rifle head 35a and the second rifle head 35b) is entered by rust cleaning width
Row regulation, to reach efficient derusting by sandblasting demand.
Adapt to different tube diameters: according to sandblasting pipeline different tube diameters sandblasting demand, adjust sand-blasting gun the first rifle head 35a
The final distance moved radially with 35b.Leading screw 215 is driven to rotate by rotating rotary handle 219, spiral
Transmission result makes spacing regulating block 29 move at leading screw 215, and (sand-blasting gun is included the first rifle head 35a and
Two rifle head 35b) the final distance that moves radially carries out spacing, make sand-blasting gun (include the first rifle head 35a and and
Second rifle head 35b) tube wall of can just fitting, it is ensured that the steel sand of sandblasting work can not be revealed at tube wall, with
Time, sand-blasting gun (including the first rifle head 35a and the second rifle head 35b) is moderate at pipeline axial friction with tube wall.
The source of the gas direction entering cylinder 28 is controlled by control system, and after sandblasting machine is in place, source of the gas is connected and pushed away
The piston cylinder of dynamic air cylinder 28 moves to close to pipeline outer wall direction, and its result is: the cunning being connected with cylinder 28
Block 210 drives amplitude of oscillation governor motion 3 to move together, until slide block 210 limited regulating block 29 machinery limit
Position.Now, sand-blasting gun (including the first rifle head 35a and the second rifle head 35b) tube wall of just fitting, it is ensured that spray
The steel sand of sand work can not be revealed at tube wall, and meanwhile, sand-blasting gun (includes the first rifle head 35a and and the second rifle
Head 35b) moderate at pipeline axial friction with tube wall.
In place complete after, control system sends action command to oscillating motor, and oscillating motor drives and swings execution machine
Structure swings, oscillation actuating mechanism and the double-head spray of application on the double end sand-blasting gun of application on four-head sand-blasting gun
The pedestal 13 swinging mounting seat 1 in sand rifle adjusting means is connected.By linear slide bearing 11 at feed rod
Slide on 214a and 214b, thus drive the double end sand-blasting gun adjusting means of application on four-head sand-blasting gun to put
Dynamic derusting by sandblasting work.
Seeing accompanying drawing 8, oscillatory gearing mechanism C includes driving motor 81, L-shaped connecting plate 83 and gear 84,
L-shaped connecting plate 83 is utilized a face, is fixedly connected on motor 81 by screw 82, and L-shaped connecting plate utilizes
Another face, screw D are fixedly connected on swing arm B.Suitably adjust gear 84 in oscillatory gearing mechanism C with
Swing the kneading distance of tooth bar, by four screw D, oscillatory gearing mechanism C is connected on swing arm B, makes
Whole four-head automatic sand-blasting rust-removing oscillating can swing in four-head derusting by sandblasting equipment smoothly.
After derusting by sandblasting has worked, the source of the gas direction entering cylinder 28 is controlled by control system, source of the gas
Connecting the piston cylinder promoting cylinder 28 to move to away from pipeline outer wall direction, its result is: with cylinder 28 even
The slide block 210 connect drives amplitude of oscillation governor motion 3 to move together, until cylinder 28 reaches end travel position,
Now, sand-blasting gun (including the first rifle head 35a and the second rifle head 35b) is away from pipeline outer wall, it is simple to sandblasting removes
The shift operation of rust machine.
A kind of four-head sand-blasting gun adjusting means of the present invention, it is provided that a kind of automatic sand blasting adjusting means.This tune
Regulating device installs convenience in place, it is possible to adapts to different tube diameters sandblasting requirement, adapts to bigger sandblasting amplitude adjusted, pipe
Road radiai adjustment is quick, convenient, radially accurate positioning.Result shows, one four-head sand-blasting gun of the present invention regulates
Device can increase substantially derusting by sandblasting efficiency, swings dependable performance, and effect is preferable.
Above-described detailed description of the invention, is entered the purpose of the present invention, technical scheme and beneficial effect
One step describes in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, not
For limiting the present invention, all within the spirit and principles in the present invention, any amendment of being made, equivalent,
Improve, should be included within the scope of the present invention.
Claims (10)
1. a four-head sand-blasting gun, it is characterised in that include two double end sand-blasting guns, swing arm and wobble drive
Device,
Described double end sand-blasting gun include swing mounting seat, the first rifle head, the second rifle head, center distance regulating mechanism and
Radial distance governor motion, described swing mounting seat is fixedly connected on described radial distance governor motion, described pendulum
The radial direction of dynamic mounting seat is vertical with the setting direction of described first rifle head, the second rifle head, described centre-to-centre spacing regulation machine
Structure includes that the first connector, the second connector and the 3rd connector, described first connector one end are fixedly connected on
Described first rifle head, described second connector one end is fixedly connected on described second rifle head, described first connector
The other end constitutes first with described 3rd connector and is flexibly connected and/or the other end of described second connector and institute
Stating the 3rd connector and constitute the second flexible connection, described first flexible connection and/or second is flexibly connected and can carry
Dynamic described first rifle head and/or the second rifle head are relatively distant from or close;Described radial distance governor motion includes
Slide block, described 3rd connector is fixedly connected on described slide block also by an installing plate, and described slide block passes through self
Slip described 3rd connector can be driven to carry out radial distance regulation, and then, described 3rd connector drive
Described first rifle head and the second rifle head carry out radial distance regulation;
Described swing arm structure axisymmetricly, said two double end sand-blasting gun is by respective swing mounting seat, respectively
It is connected to the end of described swing arm so that described four-head sand-blasting gun entirety structure the most axisymmetricly, described swing is driven
Dynamic device is fixedly connected in described swing arm, and described oscillatory gearing mechanism, by driving described swing arm to swing, drives
Described four-head sand-blasting gun swings.
Four-head sand-blasting gun the most according to claim 1, it is characterised in that described first connector is in institute
Stating the first active connection place and be provided with the first Long Circle through hole, described 3rd connector is flexibly connected described first
Place is provided with the second Long Circle through hole, and the semi-circular portions of described first Long Circle through hole is led to described second Long Circle
The diameter of the semi-circular portions in hole is identical, and the length of described second Long Circle through hole is led to more than described first Long Circle
The length in hole, when needs make described first to be flexibly connected fixing, makes described the by least one fastening bolt
A connection piece is fixed relative to the position of described 3rd connector.
Four-head sand-blasting gun the most according to claim 1, it is characterised in that described second connector is in institute
Stating the second active connection place and be provided with the 3rd Long Circle through hole, described 3rd connector is flexibly connected described second
Place is provided with the 4th Long Circle through hole, and the semi-circular portions of described 3rd Long Circle through hole is led to described 4th Long Circle
The diameter of the semi-circular portions in hole is identical, and the length of described 4th Long Circle through hole is led to more than described 3rd Long Circle
The length in hole, when needs make described second to be flexibly connected fixing, makes described the by least one fastening bolt
Two connectors are fixed relative to the position of described 3rd connector.
Four-head sand-blasting gun the most according to claim 1, it is characterised in that described radial distance regulation machine
Structure also includes that slider-actuated mechanism, described slider-actuated mechanism are used for driving described slide block radially sliding.
Four-head sand-blasting gun the most according to claim 4, it is characterised in that described slider-actuated mechanism wraps
Including telescoping mechanism, described telescoping mechanism includes fixing end and sliding end, and described sliding end can be solid relative to described
Radially sliding in fixed end, described slide block is fixedly connected on described sliding end.
Four-head sand-blasting gun the most according to claim 5, it is characterised in that described sliding end is solid with described
Sliding pair is constituted between fixed end.
Four-head sand-blasting gun the most according to claim 6, it is characterised in that described sliding end is cylinder.
Four-head sand-blasting gun the most according to claim 1, it is characterised in that also include guiding mechanism, institute
State guiding mechanism for for described slide block radially slide-and-guide.
Four-head sand-blasting gun the most according to claim 8, it is characterised in that offer on described slide block
A kind of through hole, described guiding mechanism includes that feed rod, the first feed rod fix seat and the second feed rod fixes seat, described light
Thick stick passes the first through hole described, and one end of described feed rod is fixedly connected on described first feed rod and fixes seat, another
End is fixedly connected on described second feed rod and fixes seat, and described slide block is by the first through hole described and described feed rod
Constitute sliding pair.
Four-head sand-blasting gun the most according to claim 9, it is characterised in that also include spacing regulation machine
Structure, it is described that described limit adjusting mechanism includes that spacing regulating block and leading screw, described spacing regulating block are fixedly connected on
Leading screw, described slide block is further opened with the second through hole parallel with the first through hole described, and described leading screw passes
Described the second through hole, described leading screw and described first feed rod fix seat and the second feed rod is fixed and constituted between seat
Screw thread pair, described spacing regulating block offers the third through hole, described spacing regulating block by described the third
Through hole constitutes sliding pair with 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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CN106272101B (en) * | 2016-08-09 | 2019-01-18 | 耐世特凌云驱动系统(涿州)有限公司 | A kind of sand-blasting machine |
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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US4509300A (en) * | 1981-03-18 | 1985-04-09 | Kennecott Corporation | Vane retention apparatus for abrasive blasting machine |
JP5149568B2 (en) * | 2007-09-04 | 2013-02-20 | 株式会社不二製作所 | Grinding method and grinding apparatus |
CN102166734B (en) * | 2011-02-23 | 2012-11-21 | 合肥通用机械研究院 | Rotary abrasive jet device |
CN103009260A (en) * | 2011-09-20 | 2013-04-03 | 中国石油天然气集团公司 | Transverse walking apparatus for automatic pipeline joint coating sealing deruster |
CN202479976U (en) * | 2012-02-29 | 2012-10-10 | 廊坊市管道人机械设备有限公司 | Sand blasting machine for pipeline |
CN103586781B (en) * | 2012-08-13 | 2016-10-05 | 中国石油集团工程技术研究院 | A kind of automatic sand blasting device |
CN103231314B (en) * | 2013-05-13 | 2015-07-22 | 东莞市吉川机械设备有限公司 | Integrated sandblasting machine |
CN204450241U (en) * | 2014-12-31 | 2015-07-08 | 中国石油天然气集团公司 | A kind of four-head sand-blasting gun |
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