CN103465143B - A kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor - Google Patents

A kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor Download PDF

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Publication number
CN103465143B
CN103465143B CN201310468609.7A CN201310468609A CN103465143B CN 103465143 B CN103465143 B CN 103465143B CN 201310468609 A CN201310468609 A CN 201310468609A CN 103465143 B CN103465143 B CN 103465143B
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China
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guide rail
pipeline
shaped guide
ring
horizontal sliding
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CN103465143A (en
Inventor
龙毅
黄桥生
欧阳克俭
谢亿
刘纯
彭碧草
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
State Grid Hunan Electric Power Co Ltd
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HUNAN XIANGDIAN BOILER PRESSURE VESSEL EXAMINATION CENTER CO Ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
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Priority to CN201310468609.7A priority Critical patent/CN103465143B/en
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Abstract

The invention discloses a kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor.May damage duct wall to solve manual polishing, and inefficient problem, described automatically grinding device comprises at least two groups and is sleeved on ring-shaped guide rail outside pipeline to be detected, be contained in the door shape polishing rack that described ring-shaped guide rail also can rotate along pipeline circumference to be detected, be contained on a shape polishing rack crossbeam can the horizontal sliding device that moves back and forth of crossbeam relatively, and to be contained on horizontal sliding device by motor-driven abrasive machine by Flexible Connector; During the work of described abrasive machine, what Flexible Connector made the grinding wheel of abrasive machine and pipeline to be detected treats that buffed surface keeps in touch.Present invention achieves and automatically pipeline is polished, and polishing quality can be ensure that, eliminate potential safety hazard, reduce labor strength, improve operating efficiency.

Description

A kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor
Technical field
The present invention relates to engineer applied field, relate to a kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor, polish before being applicable to pipeline non-destructive testing.
Background technology
In-service pipeline needs to carry out surface finish process to it before carrying out Non-Destructive Testing, thus make its expose metal smoothening reach detect needs, the method of artificial hand sand is mainly used to carry out surface treatment to pipeline at present, this kind of polishing process cost of labor is large, grinding efficiency is lower, meanwhile, there is very large mechanical wounding risk in polishing, potential safety hazard is large, therefore in-service pipeline polishing problem urgently to be resolved hurrily.
Summary of the invention
May damage duct wall to overcome existing manual polishing, and inefficient deficiency, the present invention aims to provide a kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor, this sanding apparatus and method thereof can realize machine automatization and polish to pipeline, and can ensure polishing quality, eliminate safe hidden trouble, reduce labor strength, increase work efficiency.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of Non-Destructive Testing pipe special oxide skin automatically grinding device, its design feature is, comprise at least two groups and be sleeved on ring-shaped guide rail outside pipeline to be detected, be contained in the door shape polishing rack that described ring-shaped guide rail also can rotate along pipeline circumference to be detected, be contained on a shape polishing rack crossbeam can the horizontal sliding device that moves back and forth of crossbeam relatively, and to be contained on horizontal sliding device by motor-driven abrasive machine by Flexible Connector; During the work of described abrasive machine, what Flexible Connector made the grinding wheel of abrasive machine and pipeline to be detected treats that buffed surface keeps in touch.
Be below the technical scheme of further improvement of the present invention:
As a kind of concrete version, described Flexible Connector comprises the top board being connected to horizontal sliding device by Compress Spring, one end of this top board and a main shaft is fixedly linked, the other end of this main shaft is equipped with motor and controls the controller of abrasive machine start and stop, and output shaft and the described abrasive machine of described motor are connected.
Preferably, described horizontal sliding device comprises horizontal sliding beam, is provided with directive wheel between this horizontal sliding beam and described door shape polishing rack crossbeam, and this horizontal sliding beam one end is provided with and drives its motor moved back and forth along the length direction of described door shape polishing rack crossbeam.
As a kind of concrete fixed form, described ring-shaped guide rail is fixed on pipeline to be detected by a telescopic guideway fixator; Described telescopic guideway fixator comprises ring-shaped guide rail retainer body, is arranged on the polylith magnet of ring-shaped guide rail retainer body inwall, and is arranged on the size adjusting rod between ring-shaped guide rail retainer body and magnet.Described magnet is preferably electromagnet.
Preferably, described door shape polishing rack can be contained on described ring-shaped guide rail around the dolly of ring-shaped guide rail hoop movement by one, and this ring-shaped guide rail is built with the propulsion plant body driving described moving of car.
Preferably, one end of described main shaft has the adjustment screw thread treating buffed surface thrust size regulating grinding wheel for pipeline to be detected.
Preferably, described abrasive machine is built with the adjuster of adjustment grinding wheel grinding angle.
Further, present invention also offers a kind of method utilizing above-mentioned Non-Destructive Testing pipe special oxide skin automatically grinding device to polish to pipeline oxidization skin, it comprises the steps:
A) range and position that pipeline is polished, is first determined, according to the installation site of length determination ring-shaped guide rail (1) of polishing scope and crossbeam (15); By determined installation site, ring-shaped guide rail (1) is installed, and door shape polishing rack, horizontal sliding device and Flexible Connector are installed;
B), described abrasive machine is arranged on crossbeam by connector, the adjustment grinding wheel of abrasive machine and pipeline to be detected treat height between buffed surface and angle;
C), starter motor, what utilize grinding wheel to treat testing pipes treats that buffed surface is polished in advance;
D), by Flexible Connector exert pressure to grinding wheel, what make grinding wheel under elastic pressure effect, treat testing pipes treats that buffed surface is polished;
E), driving gate shape polishing rack moves around the hoop of ring-shaped guide rail;
F), after the whole circle polishing that completes pipeline to be detected, drive horizontal sliding device to move horizontally, and repeat step C)-E), change polishing position and polish, until complete the oxide skin polishing treating testing pipes, meet Requirements of Nondestructive Testing.
Described door shape polishing rack is 0.8-1m/min around the speed of ring-shaped guide rail movement; The distance that described horizontal sliding device single moves horizontally is 0.6m-0.8m.
Above structure, telescopic guideway fixator needs to carry out telescopic adjustment according to pipe diameter, controlled electromagnet is adopted to be fixed on tube wall by ring-shaped guide rail, propulsion plant is mobile for guiding frame circumference, adjuster is for regulating the distance of emery wheel and tube wall, slide device is for changing the horizontal level of polishing, and the pressure that spring charging device contacts with tube wall for providing abrasive machine, controller is for controlling the start and stop of abrasive machine.
Specifically, described Non-Destructive Testing pipe special oxide skin automatically grinding method comprises the following steps:
A, first determine the range and position that pipeline is polished, according to the installation site of polishing scope and crossbeam length determination guide rail;
B, described automatically grinding device is assembled successively after, by adjuster adjustment grinding wheel and the height of pipeline buffed surface and angle;
C, switch on power, start-up connector button, polishes in advance;
D, extract compression spring device pin, grinding wheel is polished under elastic pressure;
E, startup Propeling Equipment Control device button, make propulsion plant polish under the speed of 0.8-1m/min;
F, complete whole circle polishing after, starter motor button, makes slide device horizontal slip displacement, change polishing displacement polish.Circulate back and forth like this, until complete the oxide skin polishing of pipeline, meet Requirements of Nondestructive Testing.
Compared with prior art, the invention has the beneficial effects as follows: present invention achieves and automatically pipeline is polished, and polishing quality can be ensure that, eliminate potential safety hazard, reduce labor strength, improve operating efficiency.
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of one embodiment of the invention;
Fig. 2 is telescopic guideway fixator of the present invention, guide rail and propulsion plant schematic diagram.
Detailed description of the invention
A kind of Non-Destructive Testing pipe special oxide skin automatically grinding device, Non-Destructive Testing pipe special oxide skin automatically grinding adopts the special grinding apparatus of design to polish, as shown in Figure 1 and Figure 2, this device comprises electromagnet guide rail fixator, ring-shaped guide rail, spring charging device, propulsion plant, frame, slide device, motor, adjuster, sanding apparatus, controller.
Described electromagnet guide rail fixator is spliced by 4 pieces of identical parts and forms, and is connected by pin, comprises ring-shaped guide rail fixator, size expansion and cotraction regulator, electromagnet respectively.Expansion and cotraction regulator can carry out telescopic adjustment according to different tube diameters size, and it is fixing that electromagnet adopts step mode that magnet and tube wall are adsorbed.
Described ring-shaped guide rail is spliced by 2 pieces of identical parts and forms, and is connected by pin, is made up of guide rail locking apparatus, guide rail body, the propeller road wheel circuit that leads.Wherein propeller road wheel guiding circuit width should match with the size of traveling wheel of trolley, and guide rail locking apparatus adopts bolt to be connected with guide rail body, and guide rail body and telescopic guideway fixator adopt bolt to be connected.
Described propulsion plant is made up of directive wheel, bogie wheel, thrust unit body, dolly, speed control.Thrust unit body and frame adopt bolt to be connected.
Described charger is by installing 2 Compress Springs in frame, realizing the loading to sanding apparatus, guarantees the friction with workpiece simultaneously.
Described sanding apparatus is made up of independent grinding wheel unit, comprises adjuster, controller, abrasive machine, grinding wheel, protective cover composition respectively.Controller is for controlling the start and stop of abrasive machine, and adjuster is for regulating distance and the angle of grinding wheel and contact surface, and grinding wheel adopts the handling of bolted cover convenient fixing.
By laid on tube wall for telescopic guideway fixator 19 circumference, adopt electromagnet 20 absorption to be fixed on tube wall, adjust length by threaded rod 21 and make it to match with ring-shaped guide rail size, and adopt bolt to carry out seamless link to fix.Propulsion plant 24 is loaded in ring-shaped guide rail 1, directive wheel 23 is contained on guide rail 1, can move forward and backward along guide rail 1, bogie wheel 22 fills on telescopic guideway fixator 19, propulsion plant body 24 is connected with dolly, and dolly is connected with frame 3, and frame 3 is connected with crossbeam 15, diagonal brace 5, crossbeam 15 adopts directive wheel 16 to be connected with horizontal sliding device 17, and horizontal sliding device 17 does horizontal displacement under motor 18 controls.Horizontal sliding device 17 is connected with compression spring device 9, and compression spring device 9 is connected with top board 10, and top board 10 is connected with main shaft 6, and main shaft 6 is connected with sanding apparatus; Sanding apparatus comprises controller 7, motor 13, controller 12, abrasive machine 8, protective cover 11, sanding apparatus is connected with main shaft 6 by screw thread 14, motor 13 is connected with press control 12, controller controls the start and stop of abrasive machine, motor 13 is connected with abrasive machine 8, motor provides abrasive machine 8 power, and sanding apparatus adjusts abrasive machine 8 and distance and the angle for the treatment of buffed surface as required.
Described Non-Destructive Testing pipe special oxide skin automatically grinding comprises the following steps:
A, first determine the range and position that pipeline is polished, according to the installation site of the length determination telescopic guideway fixator 19 of polishing scope and crossbeam 15;
B, described automatically grinding device is assembled successively after, by height and the angle of adjuster adjustment grinding wheel 8 and pipeline buffed surface;
C, switch on power, start-up connector 7 button, polishes in advance;
D, extract the pin of compression spring device 9, apply a vertical spring pressure to top board 10, and then grinding wheel is polished under elastic pressure effect;
E, startup Propeling Equipment Control device button, make propulsion plant polish under the speed of 0.8-1m/min;
F, complete whole circle polishing after, starter motor 18 button, makes slide device 17 horizontal slip displacement 0.6-0.8m, change polishing displacement polish.Circulate back and forth, until complete the oxide skin polishing of pipeline, meet Requirements of Nondestructive Testing.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the present invention, and be not used in and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.

Claims (14)

1. a Non-Destructive Testing pipe special oxide skin automatically grinding device, it is characterized in that, comprise at least two groups and be sleeved on ring-shaped guide rail (1) outside pipeline to be detected, be contained in the upper door shape polishing rack (4) that also can rotate along pipeline circumference to be detected of described ring-shaped guide rail (1), be contained on shape polishing rack (4) crossbeam (5) can the horizontal sliding device (17) that moves back and forth of crossbeam (5) relatively, and be contained in the abrasive machine (8) that horizontal sliding device (17) is driven by motor (13) by Flexible Connector; During described abrasive machine (8) work, what Flexible Connector made the grinding wheel of abrasive machine (8) and pipeline to be detected treats that buffed surface keeps in touch; Described ring-shaped guide rail (1) is fixed on pipeline to be detected by a telescopic guideway fixator (19); Described telescopic guideway fixator (19) comprises ring-shaped guide rail retainer body, is arranged on the polylith magnet (20) of ring-shaped guide rail retainer body inwall, and is arranged on the size adjusting rod (21) between ring-shaped guide rail retainer body and magnet (20).
2. Non-Destructive Testing pipe special oxide skin automatically grinding device according to claim 1, it is characterized in that, described Flexible Connector comprises the top board (10) being connected to horizontal sliding device (17) by Compress Spring (9), this top board (10) is fixedly linked with one end of a main shaft (6), the other end of this main shaft (6) is equipped with motor (13) and controls the controller (7) of abrasive machine (8) start and stop, and output shaft and the described abrasive machine (8) of described motor (13) are connected.
3. Non-Destructive Testing pipe special oxide skin automatically grinding device according to claim 1, it is characterized in that, described horizontal sliding device (17) comprises horizontal sliding beam, be provided with directive wheel (16) between this horizontal sliding beam and described door shape polishing rack (4) crossbeam (5), this horizontal sliding beam one end is provided with and drives its motor (18) moved back and forth along the length direction of described door shape polishing rack (4) crossbeam (5).
4. Non-Destructive Testing pipe special oxide skin automatically grinding device according to claim 1, it is characterized in that, described door shape polishing rack (4) can be contained on described ring-shaped guide rail (1) around the dolly (2) of ring-shaped guide rail (1) hoop movement by one, and this ring-shaped guide rail (1) is built with the propulsion plant body (24) driving described dolly (2) to move.
5. Non-Destructive Testing pipe special oxide skin automatically grinding device according to claim 2, is characterized in that, one end of described main shaft (6) has the adjustment screw thread (14) treating buffed surface thrust size regulating grinding wheel for pipeline to be detected.
6. Non-Destructive Testing pipe special oxide skin automatically grinding device according to claim 1, is characterized in that, described abrasive machine (8) is built with the adjuster of adjustment grinding wheel grinding angle.
7. the method utilizing Non-Destructive Testing pipe special oxide skin automatically grinding device to polish to pipeline oxidization skin, it is characterized in that, described Non-Destructive Testing pipe special oxide skin automatically grinding device comprises at least two groups and is sleeved on ring-shaped guide rail (1) outside pipeline to be detected, be contained in the upper door shape polishing rack (4) that also can rotate along pipeline circumference to be detected of described ring-shaped guide rail (1), be contained on shape polishing rack (4) crossbeam (5) can the horizontal sliding device (17) that moves back and forth of crossbeam (5) relatively, and the abrasive machine (8) that horizontal sliding device (17) is driven by motor (13) is contained in by Flexible Connector, during described abrasive machine (8) work, what Flexible Connector made the grinding wheel of abrasive machine (8) and pipeline to be detected treats that buffed surface keeps in touch,
Described the method that pipeline oxidization skin is polished to be comprised the steps:
A) range and position that pipeline is polished, is first determined, according to the installation site of length determination ring-shaped guide rail (1) of polishing scope and crossbeam (15); By determined installation site, ring-shaped guide rail (1) is installed, and door shape polishing rack (4), horizontal sliding device (17) and Flexible Connector are installed;
B), described abrasive machine (8) is arranged on crossbeam (15) by connector, the grinding wheel of adjustment abrasive machine (8) and pipeline to be detected treat height between buffed surface and angle;
C), starter motor (13), what utilize grinding wheel to treat testing pipes treats that buffed surface is polished in advance;
D), by Flexible Connector exert pressure to grinding wheel, what make grinding wheel under elastic pressure effect, treat testing pipes treats that buffed surface is polished;
E), driving gate shape polishing rack (4) moves around the hoop of ring-shaped guide rail (1);
F), after the whole circle polishing that completes pipeline to be detected, drive horizontal sliding device (17) to move horizontally, and repeat step C)-E), change polishing position and polish, until complete the oxide skin polishing treating testing pipes, meet Requirements of Nondestructive Testing.
8. according to claim 7 to the method that pipeline oxidization skin is polished, it is characterized in that, described door shape polishing rack (4) is 0.8-1m/min around the speed of ring-shaped guide rail (1) movement; The distance that described horizontal sliding device (17) single moves horizontally is 0.6m-0.8m.
9. according to claim 7 or 8 to the method that pipeline oxidization skin is polished, it is characterized in that, described Flexible Connector comprises the top board (10) being connected to horizontal sliding device (17) by Compress Spring (9), this top board (10) is fixedly linked with one end of a main shaft (6), the other end of this main shaft (6) is equipped with motor (13) and controls the controller (7) of abrasive machine (8) start and stop, and output shaft and the described abrasive machine (8) of described motor (13) are connected.
10. according to claim 7 or 8 to the method that pipeline oxidization skin is polished, it is characterized in that, described horizontal sliding device (17) comprises horizontal sliding beam, be provided with directive wheel (16) between this horizontal sliding beam and described door shape polishing rack (4) crossbeam (5), this horizontal sliding beam one end is provided with and drives its motor (18) moved back and forth along the length direction of described door shape polishing rack (4) crossbeam (5).
11. according to claim 7 or 8 to the method that pipeline oxidization skin is polished, it is characterized in that, described ring-shaped guide rail (1) is fixed on pipeline to be detected by a telescopic guideway fixator (19); Described telescopic guideway fixator (19) comprises ring-shaped guide rail retainer body, is arranged on the polylith magnet (20) of ring-shaped guide rail retainer body inwall, and is arranged on the size adjusting rod (21) between ring-shaped guide rail retainer body and magnet (20).
12. according to described in claim 11 to the method that pipeline oxidization skin is polished, it is characterized in that, described door shape polishing rack (4) can be contained on described ring-shaped guide rail (1) around the dolly (2) of ring-shaped guide rail (1) hoop movement by one, and this ring-shaped guide rail (1) is built with the propulsion plant body (24) driving described dolly (2) to move.
13., according to claim 9 to the method that pipeline oxidization skin is polished, is characterized in that, one end of described main shaft (6) has the adjustment screw thread (14) treating buffed surface thrust size regulating grinding wheel for pipeline to be detected.
14. according to claim 7 or 8 to the method that pipeline oxidization skin is polished, it is characterized in that, described abrasive machine (8) is built with the adjuster of adjustment grinding wheel grinding angle.
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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN106378697A (en) * 2016-11-28 2017-02-08 新乡市振英机械设备有限公司 Polishing lifting appliance for circle rolled pipe
CN107891359A (en) * 2018-01-24 2018-04-10 郑州博尔德磨料磨具有限公司 A kind of good grinding materials and grinding tool of ground effect
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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2615034B2 (en) * 1987-02-24 1997-05-28 住友金属工業株式会社 Automatic grinding method and equipment
JPH07171751A (en) * 1993-12-20 1995-07-11 Toshiba Eng & Constr Co Ltd Device for grinding outer circumference of pipe
CN2445855Y (en) * 2000-09-26 2001-09-05 上海石油化工股份有限公司 Large diameter valve grinder
DE102008048566B4 (en) * 2008-09-23 2011-08-25 Grune, Dieter, 06785 Grinding machine for the surface treatment of pipes
CN201324996Y (en) * 2008-11-11 2009-10-14 永仂兴工业股份有限公司 Grinder capable of regulating angle
CN202572084U (en) * 2012-04-23 2012-12-05 广东亿海机械制造有限公司 Glass grinding wheel adjusting device
CN203025158U (en) * 2013-01-23 2013-06-26 湖南省湘电锅炉压力容器检验中心有限公司 Automatic detection device for mushroom blade root phased array of in-service steam turbine rotor

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