CN108890498A - The intensive pipe row's weld bond grinding device of small diameter tube and method - Google Patents

The intensive pipe row's weld bond grinding device of small diameter tube and method Download PDF

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Publication number
CN108890498A
CN108890498A CN201811032013.1A CN201811032013A CN108890498A CN 108890498 A CN108890498 A CN 108890498A CN 201811032013 A CN201811032013 A CN 201811032013A CN 108890498 A CN108890498 A CN 108890498A
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CN
China
Prior art keywords
grinding device
wheel
driving mechanism
grinding
small diameter
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Granted
Application number
CN201811032013.1A
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Chinese (zh)
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CN108890498B (en
Inventor
齐高君
王耀礼
岳大庆
顾显方
刘传秋
杨德宏
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Shandong Feng Hui Engineering Inspection Co Ltd
SEPCO Electric Power Construction Co Ltd
Original Assignee
Shandong Feng Hui Engineering Inspection Co Ltd
SEPCO Electric Power Construction Co Ltd
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Application filed by Shandong Feng Hui Engineering Inspection Co Ltd, SEPCO Electric Power Construction Co Ltd filed Critical Shandong Feng Hui Engineering Inspection Co Ltd
Priority to CN201811032013.1A priority Critical patent/CN108890498B/en
Publication of CN108890498A publication Critical patent/CN108890498A/en
Priority to PCT/CN2019/103191 priority patent/WO2020048368A1/en
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Publication of CN108890498B publication Critical patent/CN108890498B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/033Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses the intensive pipe row's weld bond grinding device of small diameter tube and methods, including:Handpiece, the interior accommodation space to accommodate motor of the handpiece;Driving mechanism, the motor are connected with driving mechanism, provide driving force for driving mechanism;Grinding wheel, the grinding wheel are connected with the side of driving mechanism, drive grinding wheel rotation by driving mechanism;Driven wheel, the driven wheel are connected with the other side of driving mechanism;Wherein, motor axis and grinding wheel axis perpendicular are cooperated by driving mechanism and motor the power of motor output having carried out vertical duction, and output power to grinding wheel.This patent is compact-sized, included radian, small in size, light weight, easy to carry, and the polishing work of the especially suitable intensive pipe row of construction site small diameter tube realizes the mechanical grinding of narrow gap weld bond.

Description

The intensive pipe row's weld bond grinding device of small diameter tube and method
Technical field
The present invention relates to machine-building and technical field of nondestructive testing, more particularly to the intensive pipe row weld bond polishing of small diameter tube Device and method.
Background technique
The pipe row that small diameter tube of the Power Station Boiler Heating Surface mostly by caliber less than 100mm forms is constituted, in order to increase by hotlist Area improves the whole thermal efficiency of unit, and therefore, pipe arrangement is intensive, and panel-pipe of heating surface is compact-sized.Due to station boiler Design feature, causing pipe, to arrange the distance between upper pipeline spacing and pipe row all very small, for installation, welding procedure, especially It is that subsequent weld bond quality testing causes very big difficulty.
The detection of pipe row weld bond intensive for narrow gap generallys use advanced phased array detection technique, uses special scanning Frame carries small diameter tube phased array probe and detects around weld bond completion in one week.But phased array detection belongs to ultrasound detection scope, weld bond Two sides detection faces cannot have the dirts such as paint, corrosion, require polish before detecting smoothly to expose metallic luster, due to gap original It is obstructed because resulting in weld bond polishing work, can not be successfully development so as to cause detection work.
Currently, inventor has found that common polishing Work tool can not pass through the pipeline gap less than 70mm at work, therefore, Manual mode is generallyd use for the polishing of the class formation weld bond to carry out.Paint stripper is smeared first, is then wrapped up with sand paper wait beat Region is ground, manual rubbing sand paper is polished.
Therefore, inventor has found that manual grinding mode has the following disadvantages at work:
1, paint stripper can generate corrosion to pipeline and welding point, generate damage to pipeline, reduce service performance.
2, paint stripper and sand paper dosage are big, at high cost.
3, poor for the grinding effect of the hard foreign matter such as spatter and oxide skin, use duration.
4, manual mode grinding efficiency is low, and personnel are easy fatigue.
Summary of the invention
In order to solve the deficiencies in the prior art, some embodiments of the present invention provides the intensive pipe row weld bond of small diameter tube and beats Mill apparatus can effectively remove pipeline and welding point Superficial Foreign Body suitable for the polishing of narrow gap pipe comb material, welding point, Reach detection surface requirements, grinding accuracy and quality are high.
The intensive pipe of small diameter tube arranges weld bond grinding device, including:
Handpiece, the interior accommodation space to accommodate motor of the handpiece;
Driving mechanism, the motor are connected with driving mechanism, provide driving force for driving mechanism;
Grinding wheel, the grinding wheel are connected with the side of driving mechanism, drive grinding wheel rotation by driving mechanism;
Driven wheel, the driven wheel are connected with the other side of driving mechanism;
Wherein, motor axis and grinding wheel axis perpendicular, it is by driving mechanism and motor cooperation that motor is defeated Power out has carried out vertical duction, and outputs power to grinding wheel.
Further preferred technical solution, the motor include rotor, and the side of the rotor is provided with Motor stator, one end output shaft of the rotor position bearing, the other end output shaft of the rotor after being connected with It is connected with prelocalization bearing, is provided with the first spur gear on the output shaft of the front end of the prelocalization bearing.
Further preferred technical solution, the driving mechanism include crown gear, the crown gear and motor First spur gear is meshed, and is provided with the second spur gear in the middle part of the crown gear, covers on the second spur gear of synchronous belt, institute It states and is additionally provided with multiple synchronous belt gears in synchronous belt, one end of the synchronous belt gear is connected with grinding wheel.
Further preferred technical solution, the crown gear are structure as a whole with the second spur gear.
Further preferred technical solution is additionally provided with multiple limit pulleys on the synchronous belt, limits pulley both ends Portion forms groove structure, the lateral movement of limits synchronization belt with protrusion.
Further preferred technical solution, the grinding wheel are connected with polishing fixed frame, and the driven wheel and driven wheel are solid Determine frame to be connected.
Preferably, the grinding wheel is corundum wheel, and the driven wheel is vulcanie wheel.
Preferably, the quantity of the grinding wheel is consistent with the quantity of synchronous belt gear in driving mechanism.
Further preferred technical solution, the driving mechanism, driven wheel fixed frame, polishing fixed frame generally arcuation knot Structure.
Further preferred technical solution, synchronous belt gear one end have rectangular opening, with polishing axle end shape Match.
The polishing process of the intensive pipe row weld bond grinding device of small diameter tube, including:
Grinding device front end is aligned to two pipe fittings gap to be polished, grinding device is put into pipeline gap, fills polishing It sets frame cladding and is polished pipe fitting;
Grinding device posture is finely tuned, it is parallel with pipe fitting axis is polished to make grinding wheel and driven wheel axis, and polish Wheel and driven wheel outer surface and pipe surface are tangent;
Grinding device is moved up and down, grinding wheel is placed on and is polished region;
It turns on the power switch, grinding wheel starts high speed rotation, rotates around conduit axis is polished, mobile grinding device machine Body keeps being bonded for grinding wheel and driven wheel and pipeline in moving process;
Both forward and reverse directions rotate grinding device, it is ensured that the region surface finish that grinding wheel touches reaches standard requirements, so After close power supply, grinding device is taken out;
Grinding device is rotated 180 ° around cylindrical body segment axis, grinding device is then moved, by semi arch fuselage Part front end is directed at other side pipeline gap, starts, until pipeline or weld seam two sides, which are detected region finish, entirely reaches standard It is required that polishing work terminates.
Compared with prior art, the beneficial effects of the invention are as follows:
1, this patent is compact-sized, carries radian, small in size, light weight, easy to carry, especially suitable construction site path The polishing work for managing intensive pipe row, realizes the mechanical grinding of narrow gap weld bond.
2, rationally, uniform force runs smoothly for patent device design, and grinding accuracy is high, effect is good.
3, this grinding device motor driven, easy to operate, applicability is good, and polishing speed is fast, high-efficient.
4, this patent grinding tool is corundum wheel, solid wear-resisting, is not required to frequently replace, construction cost is low.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
The grinding device overall structure figure of Fig. 1, specific embodiment;
The electronic airframe structure schematic diagram of Fig. 2, specific embodiment;
The transmission mechanism schematic diagram of Fig. 3, specific embodiment;
The transmission mechanism partial enlarged view of Fig. 4, specific embodiment;
Fig. 5, the corundum wheel of specific embodiment and synchronous belt gear schematic diagram;
The grinding device main view of Fig. 6, specific embodiment;
The grinding device side view of Fig. 7, specific embodiment;
The grinding device top view of Fig. 8, specific embodiment;
The grinding device effect picture of Fig. 9, specific embodiment;
The grinding device schematic diagram of internal structure of Figure 10, specific embodiment;
The grinding device field polish schematic diagram of Figure 11, specific embodiment;
In figure, 1, electronic fuselage;2, grinding wheel fixed frame;3, first support fastening screw;4, second support fastening screw;5, First corundum wheel;6, the second corundum wheel;7, third corundum wheel;8, driving mechanism;9, the first vulcanie wheel;10, Two vulcanie wheels;11, driven wheel fixed frame, 12, third bracket fastening screw;13, the 4th bracket fastening screw;14, rear fixed Position bearing;15, motor stator;16, rotor;17, prelocalization bearing;18, the first spur gear, 19, crown gear;20, Two spur gears;21, the first limit pulley;22, the first synchronous belt gear;23, the second limit pulley;24, the second synchronous belt Gear;25, third limits pulley;26, synchronous belt;27, third synchronous belt gear.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As shown in Figure 1, a kind of intensive pipe row weld bond grinding device of small diameter tube is disclosed in a kind of examples of implementation of the application, The device includes cylindrical motor body 1;Semicircular arc-shaped grinding wheel fixed frame 2;First support fastening screw for bracket fastening 3, second support fastening screw 4, third bracket fastening screw 12, the 4th bracket fastening screw 13;Above-mentioned bracket fastening screw is equal For crossed countersunk head screw, the first corundum wheel 5, the second corundum wheel 6, third corundum wheel 7 are formed by corundum mill material sintering;Half Circular arc type transmission mechanism 8;The driven roller being made by vulcanie, respectively the first vulcanie wheel 9, the second hard rubber Rubber tire 10;Semicircular arc-shaped driven wheel fixed frame 11.
In specific embodiment, above-mentioned cylindrical motor body 1, as shown in Fig. 2, positioning bearing 14 after including;Motor Stator 15;Rotor 16;Prelocalization bearing 17;First spur gear 18.Relationship between motor components is:Rotor Side be provided with motor stator, one end output shaft of the rotor positions bearing after being connected with, the rotor Other end output shaft is connected with prelocalization bearing, is provided with the first straight-tooth on the output shaft of the front end of the prelocalization bearing Wheel.
When work, by the start and stop of switch control motor, power is provided for entire grinding device.
In specific embodiment, transmission mechanism 8, as shown in figure 3, including crown gear 19;Second spur gear 20;First Synchronous belt limits pulley 21, the second synchronous belt limit pulley 23, third synchronous belt and limits pulley 25;Drive corundum wheel The first synchronous belt gear 22, the second synchronous belt gear 24, third synchronous belt gear 27 of rotation;The toothed synchronization of inner circumferential Belt 26 is constituted.
As shown in figure 4, crown gear 19;Second spur gear 20 is structure as a whole, and 18 bring of the first spur gear is rotated Power carries out the conversion on direction, and it is vertical to be mutually axis.Pulley both ends are limited with protrusion, form groove structure, limitation is same Walk the lateral movement of belt.
As shown in figure 5, synchronous belt gear one end has rectangular opening, matches with corundum wheel shaft end shape, sand can be made Wheel shaft is smoothly plugged, convenient for the replacement of corundum wheel.
The intensive pipe row's weld bond grinding device of small diameter tube electronic fuselage is arranged in the shell of electronic fuselage in assembling, The shape of the shell is handle shape, holds when easy to use, then driving mechanism is connected with electronic fuselage, outside driving mechanism Portion is again provided with shell, is provided with driving mechanism in shell, by three synchronous belts of three corundum wheels and driving mechanism Gear one end is respectively connected with, and company is fixed by bracket fastening screw and grinding wheel fixed frame in the other end of three corundum wheels Connect, one end of two vulcanie wheels is connected to driving mechanism, the other end by bracket fastening screw and driven wheel fixed frame into Row is fixedly connected, and it is semicircle arc structure that driving mechanism, the radian direction of driven wheel fixed frame grinding wheel fixed frame are consistent.
The intensive pipe row weld bond grinding device three-view diagram of small diameter tube after being specifically completed is respectively as shown in Fig. 6,7,8.Tool The intensive pipe row weld bond grinding device of small diameter tube after body is completed emulates photo figure as shown in figure 9, driving mechanism internal structure Schematic diagram is as shown in Figure 10, and the usage state diagram in specific polishing is as shown in figure 11.
Another examples of implementation of the application also disclose the application method of the intensive pipe row weld bond grinding device of small diameter tube, specifically For:
When using this patent grinding device, both hands hold cylindrical body first, are then directed at grinding device front end Two pipeline gaps, take advantage of a situation semicircular arc-shaped workpiece polishing mechanism being put into pipeline gap, beat semicircular arc-shaped workpiece polishing mechanism frame cladding Grind pipe fitting.Grinding device posture is finely tuned, keeps 3 corundum wheels and 2 rubber wheel axis parallel with conduit axis is polished, and And idler wheel outer surface and pipe surface are tangent.Grinding device is moved up and down, 3 corundum wheels are placed on and are polished region.
It turns on the power switch, 3 corundum wheels start high speed rotation, rotate grinding device machine around conduit axis is polished Body keeps being bonded for corundum wheel and rubber wheel and pipeline in moving process.Both forward and reverse directions rotate grinding device, it is ensured that emergy It takes turns the region surface finish touched and reaches standard requirements, be then shut off power supply, grinding device is taken out.By grinding device around Cylindrical body segment axis rotates 180 °, then moves grinding device, and semi arch fuselage sections front end is directed at another side pipe Then road gap repeats above-mentioned process, until pipeline or weld seam two sides, which are detected region finish, entirely reaches standard requirements, polish Work terminates.
It, can be to corundum wheel when bruting process is decreased obviously if there is corundum wheel serious wear or grinding efficiency It is replaced.Grinding wheel fixed frame side fastening screw is unloaded, fixed frame is removed, corundum wheel is extracted out from rectangle placement hole, More renew corundum wheel, then restore fixed frame, fastening screw is screwed, completes corundum wheel and more change jobs.
The grinding device overall construction design of this embodiment example is reasonable, and characteristics of compact layout is convenient for carrying and uses.For polishing Grinding wheel arranged according to gesture, grinding device integrally can Clad pipe, the polishing work especially suitable for small diameter tube tubing and welding point Make.
This embodiment example while reducing each part dimension to greatest extent, take into account power output and operation stability, Minimum can arrange gap by 15mm pipe, the polishing work especially suitable for the intensive pipe row weld bond of small diameter tube.
A kind of disclosed transfer of power output of this embodiment example.Motor axis mutually hangs down with corundum wheel axis Directly, therefore using crown gear and spur gear it is used cooperatively, the power of motor output has been subjected to vertical duction, continually Ground outputs power to corundum wheel.
This embodiment example discloses a kind of shaped form transmission mechanism.Pulley, the synchronous belt of arrangement are limited by installing additional Gear makes synchronous belt flexible carry out transmission power by projected route.By force analysis and dynamics research, this kind design Not only it can guarantee stable power output, but also transmission mechanism can be made to cater to specific device shell structure.
3 ipsilateral arrangements of corundum wheel of this embodiment example, ensure that the stabilization of revolving speed, and 2 rubber are then arranged in the other side Wheel, plays the role of cushioning and support, in this way polishing when can exert oneself to lean against this patent grinding device and be polished on pipeline, no Rebound can be generated, the safety and stability of polishing is increased.
This embodiment example easily can arrange gap by narrow pipe, realize the mechanical grinding to intensive pipe row's weld bond.
This embodiment example grinding tool is corundum wheel, solid wear-resisting, is not required to frequently replace, construction cost is low.
This embodiment example grinding device can effectively remove pipeline and welding point Superficial Foreign Body, reach detection surface requirements, Grinding accuracy and quality are high.
This embodiment example uses motor driven, easy to use, and grinding efficiency is high.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. the intensive pipe of small diameter tube arranges weld bond grinding device, characterized in that including:
Handpiece, the interior accommodation space to accommodate motor of the handpiece;
Driving mechanism, the motor are connected with driving mechanism, provide driving force for driving mechanism;
Grinding wheel, the grinding wheel are connected with the side of driving mechanism, drive grinding wheel rotation by driving mechanism;
Driven wheel, the driven wheel are connected with the other side of driving mechanism;
Wherein, motor axis and grinding wheel axis perpendicular are cooperated by driving mechanism and motor by motor output Power has carried out vertical duction, and outputs power to grinding wheel.
2. the intensive pipe of small diameter tube as described in claim 1 arranges weld bond grinding device, characterized in that the motor includes motor Rotor, the side of the rotor are provided with motor stator, and one end output shaft of the rotor is connected with rear locating shaft It holds, the other end output shaft of the rotor is connected with prelocalization bearing, the output close to the front end of the prelocalization bearing The first spur gear is provided on axis.
3. the intensive pipe of small diameter tube as claimed in claim 2 arranges weld bond grinding device, characterized in that the driving mechanism includes hat Shape gear, the crown gear are meshed with the first spur gear of motor, are provided with the second straight-tooth in the middle part of the crown gear Wheel, covers on the second spur gear of synchronous belt, multiple synchronous belt gears, the synchronous belt is additionally provided in the synchronous belt One end of gear is connected with grinding wheel.
4. the intensive pipe of small diameter tube as claimed in claim 3 arranges weld bond grinding device, characterized in that the crown gear and second Spur gear is structure as a whole.
5. the intensive pipe of small diameter tube as claimed in claim 3 arranges weld bond grinding device, characterized in that also set on the synchronous belt Multiple limit pulleys are equipped with, limit pulley both ends form groove structure, the lateral movement of limits synchronization belt with protrusion.
6. the intensive pipe of small diameter tube as described in claim 1 arranges weld bond grinding device, characterized in that the grinding wheel and polishing are solid Determine frame to be connected, the driven wheel is connected with driven wheel fixed frame;
The driving mechanism, driven wheel fixed frame, polishing fixed frame generally arc structure.
7. the intensive pipe of small diameter tube as described in claim 1 arranges weld bond grinding device, characterized in that the grinding wheel is emergy Wheel, the driven wheel are vulcanie wheel.
8. the intensive pipe of small diameter tube as claimed in claim 3 arranges weld bond grinding device, characterized in that the quantity of the grinding wheel with The quantity of synchronous belt gear in driving mechanism is consistent.
9. the intensive pipe of small diameter tube as claimed in claim 3 arranges weld bond grinding device, characterized in that the synchronous belt gear one End has rectangular opening, matches with polishing axle end shape.
10. the polishing process of the intensive pipe row weld bond grinding device of any small diameter tube of claim 1-9, characterized in that packet It includes:
Grinding device front end is aligned to two pipe fittings gap to be polished, grinding device is put into pipeline gap, makes grinding device frame Frame cladding is polished pipe fitting;
Finely tune grinding device posture, keep grinding wheel and driven wheel axis parallel with pipe fitting axis is polished, and grinding wheel with Driven wheel outer surface and pipe surface are tangent;
Grinding device is moved up and down, grinding wheel is placed on and is polished region;
It turns on the power switch, grinding wheel starts high speed rotation, and around conduit axis rotation is polished, mobile grinding device fuselage is moved Being bonded for grinding wheel and driven wheel and pipeline is kept during dynamic;
Both forward and reverse directions rotate grinding device, it is ensured that the region surface finish that grinding wheel touches reaches standard requirements, then closes Power supply is closed, grinding device is taken out;
Grinding device is rotated 180 ° around cylindrical body segment axis, grinding device is then moved, by semi arch fuselage sections Front end is directed at other side pipeline gap, starts, until pipeline or weld seam two sides, which are detected region finish, entirely reaches standard requirements, Polishing work terminates.
CN201811032013.1A 2018-09-05 2018-09-05 Polishing device and method for welded junctions of dense small-diameter pipe rows Active CN108890498B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811032013.1A CN108890498B (en) 2018-09-05 2018-09-05 Polishing device and method for welded junctions of dense small-diameter pipe rows
PCT/CN2019/103191 WO2020048368A1 (en) 2018-09-05 2019-08-29 Grinding device and method for small-diameter tube dense-tube row welds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811032013.1A CN108890498B (en) 2018-09-05 2018-09-05 Polishing device and method for welded junctions of dense small-diameter pipe rows

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CN108890498B CN108890498B (en) 2024-01-19

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Publication number Priority date Publication date Assignee Title
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