CN1654168A - Complete abrator for locomotive - Google Patents
Complete abrator for locomotive Download PDFInfo
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- CN1654168A CN1654168A CN 200510042486 CN200510042486A CN1654168A CN 1654168 A CN1654168 A CN 1654168A CN 200510042486 CN200510042486 CN 200510042486 CN 200510042486 A CN200510042486 A CN 200510042486A CN 1654168 A CN1654168 A CN 1654168A
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Abstract
The shot blasting and cleaning machine for locomotive includes cleaning chamber, feedthrough traction apparatus, shot collecting and supplying system and shot blasting apparatus assembly. The cleaning chamber has front auxiliary work area, shot blasting area and back auxiliary work area successively, and the walking and turning overhead crane in the upper part of the cleaning chamber can lift, shift and turn the workpiece. The present invention makes it possible to shot blast all the surface of locomotive owing to the overhead crane.
Description
Technical field
The present invention relates to a kind of impeller blasting equipment, particularly a kind of locomotive car load car body impeller blasting equipment.
Background technology
A kind of locomotive car load car body shot-blast cleaning machine of the prior art, mainly comprise the cleaning chamber of confession car load car body workpiece turnover, straight-through draw-gear, confession ball system and the impeller head assembly etc. that traction car load car body workpiece entered or withdrawed from cleaning chamber, several impeller head assemblies respectively are set on the two side of cleaning chamber, form the impelling band by these impeller head centering impelling bullets, the car body workpiece is carried out shot blastinog successively by the position at this place continuously.Its course of work is substantially: the door body that cleaning chamber is imported and exported is opened, by straight-through draw-gear the traction of car load car body workpiece is entered in the cleaning chamber, close then and import and export the door body.The impeller head assembly brings into operation, and each impeller head centering impelling bullet forms the impelling band, the car body workpiece is walked to the position at this place and carries out shot blastinog.The straight-through sustainable traction of draw-gear is carried the car body workpiece and is moved ahead by setting speed, makes the car body whole workpiece successively by the impelling band, to realize the impelling cleaning to car load car body workpiece.Then, by the reverse traction of this draw-gear the car body workpiece is retreated again, in this process, also can carry out the cleaning of impelling once more through the car body workpiece position of impelling band regression.After the impelling cleaning finishes, open and import and export the door body, continue oppositely traction, will clear up the aftercarriage workpiece and send cleaning chamber by draw-gear.Above-mentioned shot-blast cleaning machine, though can carry out continuous impelling cleaning to locomotive car load car body, its cut-back region lays particular emphasis on car body workpiece both sides, impelling cleaning blind area then can occur to car body workpiece inwall and bottom, and impelling cleaning scope is comprehensive inadequately, and effect is not good enough.Be used for G type and U type tank car, the open car of P type, X type and the impeller blasting of N type flat car more suitablely, but be used for that impeller blasting then is not suitable for to C type class open-top car.
Summary of the invention
Task of the present invention is to solve that complete abrator for locomotive in the prior art exists to the car body workpiece by the narrower technological deficiency of position impelling cleaning scope, and a kind of impelling cleaning wider range and the more complete abrator for locomotive of suitable cleaning car body kind are provided.
Its technical solution is:
Complete abrator for locomotive of the present invention, comprise that the cleaning chamber, the traction car load car body workpiece that supply the turnover of car load car body workpiece enter or withdraw from straight-through draw-gear, the collection of ball sand of cleaning chamber and supply ball system and impeller head assembly, cleaning chamber has preceding back work district, bullet impelling band workspace and back work district, back successively; On the top of cleaning chamber the walking turnover traveling is set, the walking turnover traveling car body workpiece of slinging is advanced or is retreated, and advance or fallback procedures in the car body workpiece is changeed to a certain rollover.
The active length of above-mentioned cleaning chamber is at least greater than two car body Workpiece length sums.
Four electric blocks of configuration on above-mentioned walking turnover traveling car body, each electric block disposes lifting rope and hangs body; The electric block that is positioned at above-mentioned walking turnover traveling car body the same side can promote synchronously to be hung body or can transfer synchronously and hang body.
The configurable running block of lifting rope of above-mentioned electric block.
Above-mentioned straight-through draw-gear comprises ground guide, is positioned at the displacement chassis of delivery workpiece on the ground guide, and affects the elevator transmission mechanism of displacement chassis.
The polygonized structure that above-mentioned cleaning chamber becomes the bottom to narrow down gradually perpendicular to the vertical section of workpiece direct of travel; Lay foot-operated pallet in the bottom of cleaning chamber, below foot-operated pallet ball sand is set and gathers the chamber, ball sand gathers the chamber screen pack that ammunition feed ball only passes through is set; Ball sand gathers the below, chamber and is provided with two opposed belt collecting conveyors on the cleaning chamber length direction, and each belt conveyor is delivered its ball sand that receives to the ball sand that is arranged in the cleaning chamber central sections simultaneously and collected and the longitudinal spiral conveyer that supplies the ball system.
Above-mentioned ball sand gathers the chamber and can be made up of selected quantity funnel-shaped structure, and the whereabouts ball sand in the cleaning chamber enters corresponding section funnel-shaped structure, is dropped down onto by its guiding on the top belt carriage cover of belt conveyor.
Above-mentioned impeller head assembly except that the left and right sides sidewall that is arranged in the corresponding bullet impelling of cleaning chamber band workspace, also is arranged on the two side, position that narrows down of corresponding bullet impelling band workspace, cleaning chamber bottom.
The above-mentioned impeller head assembly that is positioned on the cleaning chamber left side wall is identical with impeller head assembly quantity on the right side wall, and the position is symmetrically distributed with the vertical plane through workpiece direct of travel center line; It is identical to be positioned at the cleaning chamber bottom impeller head assembly quantity that narrows down on every sidewall at position, and the position is symmetrically distributed with the vertical plane through workpiece direct of travel center line.
The above-mentioned impeller head assembly that is positioned on the sidewall is divided into the impeller head assembly working group that is positioned at two aspects at the workpiece direct of travel, the impeller head of the aspect vibrating deflection centering impelling bullet that becomes to recede before wherein being positioned at, the impeller head that is positioned at the back aspect vibrating deflection centering impelling bullet that becomes to turn forward.
The present invention not only is provided with the straight-through draw-gear that traction car load car body workpiece entered or withdrawed from cleaning chamber, also is provided with the turnover traveling that the car body workpiece of slinging changes to a certain rollover on cleaning chamber top.When being used for that G type and U type tank car, the open car of P type, X type and N type flat car are carried out impeller blasting, can enter cleaning chamber by straight-through draw-gear traction car body workpiece, and by its traction process bullet impelling band workspace, the car body workpiece is carried out the impelling cleaning, after cleaning out, by straight-through draw-gear the car body workpiece is oppositely drawn again and send cleaning chamber, be suitable for Shot Blasting above-mentioned car body workpiece.Above-mentioned straight-through traction is meant the car body workpiece is kept former standing state to draw advancing or retreats.When being used to clear up C type open-top car, the car body workpiece is delivered to the back back work district of cleaning chamber by straight-through draw-gear, lifting that walking is disposed on the turnover traveling and the lifting rope of transferring device such as electric block etc. are hung suitable positions such as lying in car body workpiece front bottom end left and right sides frame respectively, and extension lies in suitable positions such as the left and right sides, bottom, car body workpiece rear end dual-side frame respectively, after the car body workpiece is promoted, carry the car body workpiece through bullet impelling band workspace by the walking turnover traveling, in the process of moving ahead, when control adjustment makes walking turnover traveling left side (or right side) winding plant promote this side body part synchronously, control adjustment makes walking turnover traveling right side (or left side) winding plant transfer this side body part synchronously, make (or left side) inclination to the right of car body workpiece oblique, reach when wait as 45 ° at selected (setting) angle of inclination and stop, and keep this heeling condition, it is carried out the impelling cleaning.Car body workpiece after above-mentioned impeller blasting by the walking turnover traveling carry reach before auxiliary cleaning work district, with the levelling of car body workpiece and transfer to the carrying part that leads directly to draw-gear, after send cleaning chamber.Since the walking turnover traveling carry that the car body workpiece is advanced or the process that retreats in, can also carry out the appropriateness upset to the car body workpiece, make bullet in the prior art hit less than area surface become the strike exposed region, the impelling cleaning blind zone problem that prior art is existed can access effectively and solve, and the locomotive car body workpiece kind of its suitable impelling cleaning is also increased simultaneously.The diamond structure of above-mentioned cleaning chamber bottom for narrowing down gradually, and its underpart is that the ball sand of respective shapes gathers the chamber, ball sand gathers the chamber screen pack that ammunition feed ball only passes through is set, ball sand gathers the below, chamber and is provided with two opposed belt collecting conveyors, by belt conveyor its ball sand that receives is delivered ball sand and collects and the longitudinal spiral conveyer that supplies the ball system; The ball sand that this kind structure is particularly suitable in the cleaning chamber gathers collection, takes two opposed belt collecting conveyors, and second the suitable especially first bigger needs of locomotive car body cleaning chamber length improve ball sand greatly and steam again speed, improve the service efficiency of ball sand; And because the screen pack that ammunition feed ball only passes through is set, other that can prevent effectively that the car body workpiece from dropping enter for the ball system in the middle of sneaking into ball sand than bigger material, bring adverse effect for its normal operation.Above-mentioned impeller head assembly also is arranged on the two side, position that narrows down of corresponding bullet impelling band workspace, cleaning chamber bottom except that the left and right sides sidewall that is arranged on the corresponding bullet impelling of cleaning chamber band workspace; This mode can increase the impelling orientation of bullet effectively, increases cleaning face, helps improving impeller blasting speed and efficient.Be positioned at the impeller head assembly working group of two aspects in the setting of workpiece direct of travel, the impeller head of the aspect vibrating deflection impelling bullet that becomes to recede before wherein being positioned at, the impeller head that is positioned at the back aspect vibrating deflection impelling bullet that becomes to turn forward, when car body workpiece one enters impelling band workspace, the impeller head of aspect can carry out the ball blast strike to car body workpiece front end face by oblique back impelling bullet before being arranged in, car body workpieces in subsequent sidewall enters impelling band workspace, all impeller heads carry out ball blast to be hit, when the car body workpiece was about to leave impelling band workspace, the impeller head that is arranged in the back aspect can hit car body workpiece rear end face by oblique preceding impelling bullet; This mode makes the impelling bullet not only have impulsive force but also scraping power is arranged, and helps improving cleaning effect, and the cleaning scope is also more comprehensive.Above-mentioned straight-through draw-gear is provided with the displacement chassis of delivery workpiece, when being used in the car body workpiece and carrying out impeller blasting original chassis is changed, and beats so that place cleaning chamber not thrown by bullet in former chassis, car body is partly cleared up.
Description of drawings
Fig. 1 is a kind of embodiment overall structure of the utility model principle schematic.
Fig. 2 is a kind of plane structure chart of above-mentioned embodiment.
Fig. 3 is a kind of vertical section structure schematic diagram of above-mentioned embodiment.
Fig. 4 is the planar structure schematic layout pattern of a kind of turnover traveling of walking in the above-mentioned embodiment.
The present invention will be described below in conjunction with accompanying drawing:
The specific embodiment
In conjunction with referring to Fig. 1 to Fig. 4, complete abrator for locomotive of the present invention, the active length of cleaning chamber 1 generally with greater than two car body Workpiece length sums (be single car body workpiece 2 times) for well, and simultaneously in its rear and front end or a certain therein end the car body workpiece be set import and export, the car body workpiece is imported and exported the door body 104 that the opening and closing of configuration energy are imported and exported, door body 104 can be selected the automatic curtain door for use, cleaning chamber 1 is provided with preceding back work district 101 successively, bullet impelling band workspace 102 and back work district, back 103, also can lay in the bottom of cleaning chamber and to be convenient to the foot-operated pallet 108 that operating personnel pass in and out cleaning chamber, if enter the direction of cleaning chamber points to as the place ahead with the car body workpiece, back work district 103 carried out relevant preorder processing after then the car body workpiece was at first reached, then, pass through after bullet impelling band workspace 102 carries out impeller blasting, back work district 101 carries out relevant subsequent treatment before arriving, and can or returnly go out cleaning chamber 1 by rear exit is capable by front exit at last.The straight-through draw-gear 2 of cleaning chamber 1, it comprises ground guide 201, is positioned at the displacement chassis 202 of delivery workpiece on the ground guide 201, and the elevator transmission mechanism 203 of traction displacement chassis 202; Ground guide 201 runs through cleaning chamber, and extends to outside the cleaning chamber from car body workpiece import and export, and hoisting mechanism 203 can draw the displacement chassis and back and forth walk along guide rail, and its stroke should be able to make displacement chassis 202 carrying car load envelope whole workpiece row go out cleaning chamber; For the ease of realizing the control adjustment to its speed of travel, the configurable adjustable frequency motor of elevator transmission mechanism.Walking turnover traveling 3 is set on the top of cleaning chamber 1, in conjunction with referring to Fig. 4, four electric blocks 301 of walking turnover traveling 3 body configurations, 302,303,304, wherein be positioned at two electric blocks 301 in its left side, 303 as a work pairing, be positioned at two electric blocks 302 on its right side, 304 as another work pairing, each electric block configuration lifting rope, running block and hanging hook (hanging body) etc., the also configurable RHVC of the power drive mechanism of above-mentioned each electric block, the electric block that is positioned at above-mentioned walking turnover traveling car body left side (or right side) can promote synchronously to be hung body or can transfer synchronously and hang body, when being used to clear up C type open-top car, by straight-through draw-gear 2 the car body workpiece is at first led back back work district 103 to cleaning chamber, the lifting rope of electric block etc. on the walking turnover traveling is hung the left and right sides frame that lies in car body workpiece front bottom end respectively, reach and hang the left and right sides frame that lies in bottom, car body workpiece rear end respectively, after the car body workpiece is promoted, carry the car body workpiece through bullet impelling band workspace by the walking turnover traveling, as in the process of moving ahead, when control adjustment makes walking turnover traveling car body left side electric block promote this side body part synchronously, control adjustment makes walking turnover traveling car body right side electric block transfer this side body part synchronously, the car body workpiece is tilted to the right, stop when reaching as many selected angles of inclination such as 45 °, and keep this heeling condition, it is carried out the impelling cleaning; As in the process of moving ahead, when control adjustment makes walking turnover traveling car body right side electric block promote this side body part synchronously, control adjustment makes walking turnover traveling car body left side electric block transfer this side body part synchronously, the car body workpiece is tilted to the left, stop when reaching as many selected angles of inclination such as 45 °, and keep this heeling condition, it is carried out the impelling cleaning.The polygonized structure that cleaning chamber 1 becomes the bottom to narrow down gradually perpendicular to the vertical section of workpiece direct of travel, in conjunction with referring to Fig. 3, chamber 4 is gathered for ball sand in the bottom of cleaning chamber, ball sand gathers the chamber screen pack 401 that ammunition feed ball only passes through is set, ball sand gathers the below, chamber and is provided with two opposed belt collecting conveyors 402 on the cleaning chamber length direction, 402 ', above-mentioned ball sand gathers the chamber can be by selected quantity as 8 (each 4 of front and back sides) funnel-shaped structures 404,404 ' form, whereabouts ball sand enters the funnel-shaped structure of corresponding section in the cleaning chamber, guided by dropping down onto on the top belt carriage cover of belt conveyor after the screen pack filtration by it, belt conveyor 402 is delivered its ball sand that receives to the ball sand that is arranged in cleaning chamber 1 central sections and is collected and the longitudinal spiral conveyer 403 that supplies the ball system; Belt conveyor 402 ' with its ball sand that receives deliver the ball sand that is positioned at cleaning chamber 1 central sections collect with for the longitudinal spiral conveyer 403 of ball system '.Ball sand is collected and horizontal auger conveyor, separator, elevator also can be arranged for the ball system, supply ball device etc., this part all can be taked the prior art mode, the longitudinal spiral conveyer delivers ball sand to horizontal auger conveyor, is sent to follow-up linking part by horizontal auger conveyor again.Impeller head assembly 5, in conjunction with referring to Fig. 3, except that the left side wall 105 and right side wall 106 that are arranged in the corresponding bullet impelling of cleaning chamber band workspace, also be arranged on the two side, position 107 that narrows down of corresponding bullet impelling band workspace, cleaning chamber bottom, also can be arranged on the central part of walking turnover traveling car body simultaneously; The above-mentioned impeller head assembly that is positioned on the cleaning chamber left side wall is identical with impeller head assembly quantity on the right side wall, the position is symmetrically distributed with the vertical plane through workpiece direct of travel center line, it is identical to be positioned at the cleaning chamber bottom impeller head assembly quantity that narrows down on every sidewall at position, and the position is symmetrically distributed with the vertical plane through workpiece direct of travel center line; As selected 8 of the impeller head assembly quantity that is positioned at left side side, being positioned at also selected 8 of the impeller head assembly quantity of right side side, the bullet that available above-mentioned 16 impeller head assemblies spray forms impelling band workspace.The impeller head assembly that is positioned on the sidewall is divided into the impeller head assembly working group that is positioned at two aspects at the workpiece direct of travel, only show the situation that the impeller head assembly is arranged on an aspect among Fig. 3,8 impeller heads of aspect become to recede set angle also facing to the center line orientation impelling bullet of workpiece direct of travel before wherein being positioned at, and 8 impeller heads that are positioned at the back aspect become to turn forward set angle facing to workpiece direct of travel center line orientation impelling bullet.As be positioned at impeller head assembly on last aspect left sidewall and the right-hand sidewall, can form 20 to 30 ° the vibrating deflection of receding with the place sidewall; As be positioned at impeller head assembly on back one aspect left sidewall and the right-hand sidewall, can form 20 to 30 ° the vibrating deflection of turning forward with the place sidewall.
Walking turnover traveling of the present utility model also can be arranged to two, every walking turnover traveling disposes two electric blocks, each electric block configuration lifting rope and hang body, a pair of electric block that is positioned at above-mentioned two walking turnover traveling left sides (or right side) can promote synchronously to be hung body or can transfer synchronously and hang body.Two walking turnover traveling can be worked in coordination with the car body workpiece of slinging and be advanced or retreat, and advance or fallback procedures in the car body workpiece is changeed to a certain rollover.
Relevant part of the present invention also exists other many conspicuous variation patterns.
Claims (10)
1, a kind of complete abrator for locomotive, comprise that the cleaning chamber, the traction car load car body workpiece that supply the turnover of car load car body workpiece enter or withdraw from straight-through draw-gear, the collection of ball sand of cleaning chamber and supply ball system and impeller head assembly, cleaning chamber has preceding back work district, bullet impelling band workspace and back work district, back successively; It is characterized in that: on the top of cleaning chamber the walking turnover traveling is set, the walking turnover traveling car body workpiece of slinging is advanced or is retreated, and advance or fallback procedures in the car body workpiece is changeed to a certain rollover.
2, complete abrator for locomotive according to claim 1 is characterized in that: the active length of described cleaning chamber is at least greater than two car body Workpiece length sums.
3, complete abrator for locomotive according to claim 1 is characterized in that: four electric blocks of configuration on described walking turnover traveling car body, and each electric block disposes lifting rope and hangs body; The electric block that is positioned at above-mentioned walking turnover traveling car body the same side can promote synchronously to be hung body or can transfer synchronously and hang body.
4, complete abrator for locomotive according to claim 3 is characterized in that: the configurable running block of lifting rope of described electric block.
5, complete abrator for locomotive according to claim 1 is characterized in that: described straight-through draw-gear comprises ground guide, is positioned at the displacement chassis of delivery workpiece on the ground guide, and affects the elevator transmission mechanism of displacement chassis.
6, complete abrator for locomotive according to claim 1 is characterized in that: the polygonized structure that described cleaning chamber becomes the bottom to narrow down gradually perpendicular to the vertical section of workpiece direct of travel; Lay foot-operated pallet in the bottom of cleaning chamber, below foot-operated pallet ball sand is set and gathers the chamber, ball sand gathers the chamber screen pack that ammunition feed ball only passes through is set; Ball sand gathers the below, chamber and is provided with two opposed belt collecting conveyors on the cleaning chamber length direction, and each belt conveyor is delivered its ball sand that receives to the ball sand that is arranged in the cleaning chamber central sections simultaneously and collected and the longitudinal spiral conveyer that supplies the ball system.
7, complete abrator for locomotive according to claim 6, it is characterized in that: described ball sand gathers the chamber and is made up of selected quantity funnel-shaped structure, whereabouts ball sand in the cleaning chamber enters corresponding section funnel-shaped structure, is dropped down onto by its guiding on the top belt carriage cover of belt conveyor.
8, complete abrator for locomotive according to claim 6, it is characterized in that: described impeller head assembly, except that the left and right sides sidewall that is arranged in the corresponding bullet impelling of cleaning chamber band workspace, also be arranged on the two side, position that narrows down of corresponding bullet impelling band workspace, cleaning chamber bottom.
9, complete abrator for locomotive according to claim 8, it is characterized in that: the described impeller head assembly that is positioned on the cleaning chamber left side wall is identical with impeller head assembly quantity on the right side wall, and the position is symmetrically distributed with the vertical plane through workpiece direct of travel center line; It is identical to be positioned at the cleaning chamber bottom impeller head assembly quantity that narrows down on every sidewall at position, and the position is symmetrically distributed with the vertical plane through workpiece direct of travel center line.
10, complete abrator for locomotive according to claim 9, it is characterized in that: the described impeller head assembly that is positioned on the sidewall is divided into the impeller head assembly working group that is positioned at two aspects at the workpiece direct of travel, the impeller head of the aspect vibrating deflection centering impelling bullet that becomes to recede before wherein being positioned at, the impeller head that is positioned at the back aspect vibrating deflection centering impelling bullet that becomes to turn forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510042486 CN1654168A (en) | 2005-02-22 | 2005-02-22 | Complete abrator for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510042486 CN1654168A (en) | 2005-02-22 | 2005-02-22 | Complete abrator for locomotive |
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| Publication Number | Publication Date |
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| CN1654168A true CN1654168A (en) | 2005-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510042486 Pending CN1654168A (en) | 2005-02-22 | 2005-02-22 | Complete abrator for locomotive |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934499B (en) * | 2009-06-30 | 2012-05-23 | 中国国际海运集装箱(集团)股份有限公司 | Sand blasting machine and sand blasting system provided therewith |
| CN102717337A (en) * | 2012-06-15 | 2012-10-10 | 青岛黄河铸造机械集团有限公司 | Movable shot blasting cleaning machine |
| CN105965396A (en) * | 2016-05-11 | 2016-09-28 | 青岛黄河铸造机械集团有限公司 | Inner wall shot blast cleaning machine for steel pipe |
| CN106312832A (en) * | 2016-08-29 | 2017-01-11 | 无锡华烨除锈涂装设备有限公司 | Shot blasting technological process |
| CN107116477A (en) * | 2017-05-25 | 2017-09-01 | 江苏龙城铸造机械科技有限公司 | A kind of vehicle impeller blasting preprocessing device |
| CN107650028A (en) * | 2017-10-24 | 2018-02-02 | 江苏龙城铸造机械科技有限公司 | A kind of labyrinth type shot-blast cleaning machine |
| CN109277953A (en) * | 2018-07-26 | 2019-01-29 | 中铁华铁工程设计集团有限公司 | Reversible lorry body impeller blasting equipment |
-
2005
- 2005-02-22 CN CN 200510042486 patent/CN1654168A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934499B (en) * | 2009-06-30 | 2012-05-23 | 中国国际海运集装箱(集团)股份有限公司 | Sand blasting machine and sand blasting system provided therewith |
| CN102717337A (en) * | 2012-06-15 | 2012-10-10 | 青岛黄河铸造机械集团有限公司 | Movable shot blasting cleaning machine |
| CN105965396A (en) * | 2016-05-11 | 2016-09-28 | 青岛黄河铸造机械集团有限公司 | Inner wall shot blast cleaning machine for steel pipe |
| CN106312832A (en) * | 2016-08-29 | 2017-01-11 | 无锡华烨除锈涂装设备有限公司 | Shot blasting technological process |
| CN107116477A (en) * | 2017-05-25 | 2017-09-01 | 江苏龙城铸造机械科技有限公司 | A kind of vehicle impeller blasting preprocessing device |
| CN107650028A (en) * | 2017-10-24 | 2018-02-02 | 江苏龙城铸造机械科技有限公司 | A kind of labyrinth type shot-blast cleaning machine |
| CN109277953A (en) * | 2018-07-26 | 2019-01-29 | 中铁华铁工程设计集团有限公司 | Reversible lorry body impeller blasting equipment |
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