CN103817395B - Ellipticity measurement device, communicated wire cutting device and control method - Google Patents

Ellipticity measurement device, communicated wire cutting device and control method Download PDF

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Publication number
CN103817395B
CN103817395B CN201410096079.2A CN201410096079A CN103817395B CN 103817395 B CN103817395 B CN 103817395B CN 201410096079 A CN201410096079 A CN 201410096079A CN 103817395 B CN103817395 B CN 103817395B
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elevating lever
proximity switch
pipe
telescoping mechanism
measurement device
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CN103817395A (en
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不公告发明人
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SHANGHAI ACETYLENE WELDER FACTORY CO Ltd
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SHANGHAI ACETYLENE WELDER FACTORY CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Arc Welding In General (AREA)

Abstract

The invention discloses a kind of ellipticity measurement device, comprise elevating lever, proximity switch, fixed mount, telescoping mechanism, fixed head, described proximity switch is arranged on the front end of elevating lever, described fixed mount is arranged on fixed head, and with elevating lever by the first pinned connection, the first end of described telescoping mechanism is arranged on fixed head, the second end and elevating lever are by the second pinned connection, and being formed with difference in height between the first end of telescoping mechanism and the second end, described fixed mount is provided with mouth of stepping down.By being made by telescoping mechanism the proximity switch of elevating lever front end near pipe to be cut, proximity switch measures the distance between the peak of the pipe rotated and proximity switch, thus the peak of pipe to be cut is followed the tracks of, avoid occurring in cutting process hitting rifle phenomenon, make cutting section reach technological requirement.The invention also discloses a kind of communicated wire cutting device and and control method.

Description

Ellipticity measurement device, communicated wire cutting device and control method
Technical field
The present invention relates to intersection cutting technique, particularly a kind of ellipticity measurement device, communicated wire cutting device and control method.
Background technology
When traditional pipe intersecting lines cuts, ovality checkout gear is not set, but because pipe to be cut might not be very round, during rotation, its peak can constantly change, cause the cut point of cutting gun and pipe distance constantly to change, be easy to like this occur hitting rifle phenomenon, cause burning torch impaired, and once occur hitting rifle, the pipe section cut out is difficult to reach technological requirement.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, a kind of ellipticity measurement device is provided, be intended to the peak realized when pipe to be cut is rotated and follow the tracks of, avoid occurring in cutting process hitting rifle phenomenon, make cutting section reach technological requirement.
Its technical scheme is as follows:
A kind of ellipticity measurement device, comprise elevating lever, proximity switch, fixed mount, telescoping mechanism, fixed head, described proximity switch is arranged on the front end of elevating lever, described fixed mount is arranged on fixed head, and with elevating lever by the first pinned connection, the first end of described telescoping mechanism is arranged on fixed head, the second end and elevating lever are by the second pinned connection, and being formed with difference in height between the first end of telescoping mechanism and the second end, described fixed mount is provided with mouth of stepping down.
Its further technical scheme is as follows:
Described ellipticity measurement device also comprises adjustment screw, described second bearing pin relative to the first bearing pin closer to proximity switch, the setting height(from bottom) of described telescoping mechanism first end is higher than its second end, described fixed mount comprises the first side, the second side and connects the joint face of the first side and the second side, first side is connected with fixed head, first bearing pin is successively through the first side, elevating lever, the second side, adjustment screw is arranged on the side of joint face away from the second bearing pin, and mouth of stepping down is arranged on the side of joint face near the second bearing pin.
Described telescoping mechanism comprises cylinder and the ear that is connected with cylinder two ends respectively climbs seat and draw ring, and described ear is climbed seat and is arranged on fixed head, and described draw ring is connected with elevating lever by the second bearing pin.
Described ellipticity measurement device also comprises mount pad, trimming bolt, and described proximity switch is fixed on mount pad, and this mount pad is connected with elevating lever by trimming bolt.
Described elevating lever is telescopic structure.
The cross section of one end that described elevating lever is connected with fixed mount, telescoping mechanism is rectangle.
Present invention also offers a kind of communicated wire cutting device, its technical scheme is as follows:
A kind of communicated wire cutting device, comprise above-mentioned ellipticity measurement device, for install the lathe of pipe, burning torch, frame, controller, by motor-driven screw body, described screw body is arranged in frame, described burning torch, ellipticity measurement device are connected with screw body respectively, and described controller is electrically connected with motor, proximity switch respectively.
Present invention also offers a kind of control method of above-mentioned communicated wire cutting device, its technical scheme is as follows:
A control method for communicated wire cutting device, comprises the steps:
The constant distance value needing to keep is set between the two within the scope of the distance of reaction of proximity switch to pipe, start telescoping mechanism, elevating lever is promoted with the first bearing pin for pivot rotates to level by telescoping mechanism, controller controls motor and drives screw body to run, screw body drives ellipticity measurement device and burning torch synchronizing moving, until reach constant distance value between the bus peak of proximity switch and pipe;
Start lathe, lathe drives pipe to rotate;
Burning torch cuts pipe, the proximity switch detection bus peak of pipe and the distance between it change simultaneously, once distance is between the two greater than or less than constant distance value, screw body drives ellipticity measurement device and burning torch synchronizing moving, makes to keep constant distance value between the bus peak of proximity switch and pipe.
Further, after cutting, also comprise the steps:
Telescoping mechanism pulls elevating lever with the first bearing pin for pivot rotates to vertical state.
Below the advantage of preceding solution or principle are described:
Above-mentioned ellipticity measurement device, by the first end of telescoping mechanism is arranged on fixed head, second end and elevating lever are by the second pinned connection, and be formed with difference in height between the first end of telescoping mechanism and the second end, elevating lever is connected with fixed mount by the first bearing pin, when such telescoping mechanism stretches out, its second end promotes elevating lever with the first bearing pin for pivot rotates to level, make the proximity switch of elevating lever front end near pipe to be cut, proximity switch measures the distance between the peak of the pipe rotated and proximity switch, thus peak when rotating pipe to be cut is followed the tracks of, the ovality of pipe can be drawn, by changing pipe in time or adjusting or adjust the distance between burning torch and pipe to the ovality of pipe, avoid occurring in cutting process hitting rifle phenomenon, cutting section is made to reach technological requirement, after measurement, telescoping mechanism is retracted, its second end pulls elevating lever with the first bearing pin for pivot rotates, make elevating lever be rotated into vertical state, avoid ellipticity measurement device impaired, the mouth of stepping down that fixed mount is arranged, for holding the elevating lever of vertical state, avoid fixed mount and elevating lever to interfere, and described in step down mouth can effectively limit elevating lever swing, make lifting keep vertical state.
Above-mentioned communicated wire cutting device, by arranging ellipticity measurement device, the distance between the bus peak of proximity switch and pipe and proximity switch can be measured in real time, and feed back to controller in time, controller controls motor and drives screw body to drive ellipticity measurement device and burning torch synchronizing moving, the distance of the bus peak of proximity switch and pipe is made to keep constant, adjust the distance between burning torch and pipe simultaneously, avoid occurring hitting rifle phenomenon, the cutting impact that the ellipticity error eliminating pipe produces.
The control method of above-mentioned communicated wire cutting device, simple to operate, convenient, elevating lever is promoted with the first bearing pin for pivot rotates to level by telescoping mechanism, when burning torch cuts pipe, proximity switch detects the bus peak of pipe in real time and the distance between it changes and feeds back to controller, thus control screw body drive ellipticity measurement device and burning torch synchronizing moving, make to keep constant distance value between the bus peak of proximity switch and pipe, distance simultaneously between burning torch and the bus peak of pipe can keep constant, avoid occurring hitting rifle phenomenon, thus the cutting impact that the ellipticity error can eliminating pipe produces.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ellipticity measurement device described in the embodiment of the present invention;
Fig. 2 is the floor map of the ellipticity measurement device described in the embodiment of the present invention;
Fig. 3 is the structural representation of the communicated wire cutting device described in the embodiment of the present invention;
Fig. 4 is the ellipticity measurement method flow diagram described in the embodiment of the present invention;
Description of reference numerals:
1, pipe, 10, ellipticity measurement device, 20, lathe, 30, burning torch, 40, frame, 50, motor, 100, elevating lever, 200, proximity switch, 300, fixed mount, 310, mouth of stepping down, the 320, first side, the 330, second side, 340, joint face, 400, telescoping mechanism, 410, cylinder, 420, ear climbs seat, 430, draw ring, 500, fixed head, the 600, first bearing pin, the 700, second bearing pin, 800, screw is adjusted, 900, mount pad, 910, trimming bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As Fig. 1, shown in Fig. 2, a kind of ellipticity measurement device 10, comprise elevating lever 100, proximity switch 200, fixed mount 300, telescoping mechanism 400, fixed head 500, described proximity switch 200 is arranged on the front end of elevating lever 100, described fixed mount 300 is arranged on fixed head 500, and be connected by the first bearing pin 600 with elevating lever 100, the first end of described telescoping mechanism 400 is arranged on fixed head 500, second end is connected by the second bearing pin 700 with elevating lever 100, and be formed with difference in height between the first end of telescoping mechanism 400 and the second end, described fixed mount 300 is provided with mouth 310 of stepping down.This is implemented described telescoping mechanism 400 and comprises cylinder 410 and the ear that is connected with cylinder 410 two ends respectively climbs seat 420 and draw ring 430, and described ear is climbed seat and is arranged on fixed head 500, and described draw ring is connected with elevating lever 100 by the second bearing pin 700.According to actual needs, described telescoping mechanism also can adopt hydraulic system or other frame for movement, stretches out or retract for driving elevating lever.
The present embodiment states ellipticity measurement device 10, by the first end of telescoping mechanism 400 is arranged on fixed head 500, second end is connected by the second bearing pin 700 with elevating lever 100, and be formed with difference in height between the first end of telescoping mechanism 400 and the second end, elevating lever 100 is connected with fixed mount 300 by the first bearing pin 600, when the cylinder 410 of such telescoping mechanism 400 stretches out, promote elevating lever 100 with the first bearing pin 600 for pivot rotates to level or close to level, make the proximity switch 200 of elevating lever 100 front end near pipe to be cut, proximity switch 200 measures the distance between the peak of the pipe rotated and proximity switch 200, thus peak when rotating pipe to be cut is followed the tracks of, the ovality of pipe can be drawn, by changing pipe in time or adjusting or adjust the distance between burning torch and pipe to the ovality of pipe, avoid occurring in cutting process hitting rifle phenomenon, cutting section is made to reach technological requirement, after measurement, the cylinder 410 of telescoping mechanism 400 is retracted, pull elevating lever 100 with the first bearing pin 600 for pivot rotates, make elevating lever 100 be rotated into state vertical or close to the vertical shape, avoid ellipticity measurement device impaired, the mouth 310 of stepping down that fixed mount 300 is arranged, for holding the elevating lever 100 of vertical state, avoid fixed mount 300 and elevating lever 100 to interfere, and described in mouth 310 of stepping down effectively can limit elevating lever 100 and swing, make lifting keep vertical state.
The cross section of pipe also exists the phenomenon that external diameter does not wait, and namely there is not necessarily mutually perpendicular maximum outside diameter and minimum outer diameter, then the difference of maximum outside diameter and minimum outer diameter is ovality.
Further, described ellipticity measurement device 10 also comprises adjustment screw 800, described second bearing pin 700 relative to the first bearing pin 600 closer to proximity switch 200, the setting height(from bottom) of described telescoping mechanism 400 first end is higher than its second end, described fixed mount 300 comprises the first side 320, second side 330, and connect the joint face 340 of the first side and the second side, first side 320 is connected with fixed head 500, first bearing pin 600 is successively through the first side 320, elevating lever 100, second side 330, adjustment screw 800 is arranged on the side of joint face 340 away from the second bearing pin 700, mouth 310 of stepping down is arranged on the side of joint face 340 near the second bearing pin 700.When cylinder 410 promote elevating lever 100 be the level of state time, active force is applied by turning adjustment screw 800 pairs of elevating lever 100 rear ends, finely tune the height of the proximity switch 200 being arranged on elevating lever 100 front end, make proximity switch 200 be in proper height needed for measurement.In the present embodiment, the setting height(from bottom) of described telescoping mechanism 400 first end is higher than its second end, thus make height of formation between telescoping mechanism 400 two ends poor, in order to make cylinder 410 can to elevating lever 100 active force or upwards downwards, make elevating lever 100 can keep level or close to level, the used time does not keep vertical state when measuring.According to the actual requirements, the setting height(from bottom) of described telescoping mechanism 400 first end also can be arranged to lower than its second end, and for avoiding elevating lever 100 and fixed mount 300 to interfere, corresponding adjustment is also done in the position of mouth of stepping down, and makes elevating lever can avoid the joint face of fixed mount.
Described ellipticity measurement device 10 also comprises mount pad 900, trimming bolt 910, and described proximity switch 200 is fixed on mount pad 900, and this mount pad 900 is connected with elevating lever 100 by trimming bolt 910.By regulating trimming bolt 910, regulate the distance between mount pad 900 and pipe to be cut, proximity switch 200 is made to be in suitable distance needed for measurement, as shown in Figure 1, the present embodiment is provided with two proximity switches 200, two proximity switches 200 line centered by elevating lever 100 is symmetricly set on mount pad 900, and such two proximity switches 200 can carry out synchro measure, and measurement result accuracy is improved.
According to demand, described elevating lever 100 can be arranged to telescopic structure, for being applicable to the measurement of the pipe ovality of different size.
As shown in Figure 1, the cross section of one end that described elevating lever 100 is connected with fixed mount 300, telescoping mechanism 400 is rectangle.Arranging on the one hand is like this conveniently install the first bearing pin 600 and the second bearing pin 700, to make adjustment screw 800 act in the plane on the other hand, if the face that adjustment screw 800 acts on is arc surface, easy skidding or act on certain a bit or on a certain bar line, of long duration can damage elevating lever.
As shown in Figure 3, a kind of communicated wire cutting device, comprise above-mentioned ellipticity measurement device 10, for installing the lathe 20 of pipe, burning torch 30, frame 40, controller, the screw body that driven by motor 50, described screw body is arranged in frame 40, described burning torch 30, ellipticity measurement device 10 are connected with screw body respectively, and described controller is electrically connected with motor, proximity switch respectively.
Communicated wire cutting device described in the present embodiment, by arranging ellipticity measurement device 10, the distance between the bus peak of proximity switch and pipe 1 and proximity switch 200 can be measured in real time, and feed back to controller in time, controller controls motor and drives screw body to drive ellipticity measurement device and burning torch synchronizing moving, the distance of the bus peak of proximity switch and pipe is made to keep constant, adjust the distance between burning torch and pipe simultaneously, avoid occurring hitting rifle phenomenon, the cutting impact that the ellipticity error eliminating pipe produces.Motor 50 drives screw body to operate, thus burning torch 30, ellipticity measurement device 10 decline, when the proximity switch 200 on ellipticity measurement device 10 reaches constant distance value with the distance to the bus peak of pipe, stop declining, starting lathe 20 drives pipe 1 to rotate, and proximity switch 200 measures pipe 1 and the distance between it, thus can draw the ovality of pipe 1, by the distance between adjustment burning torch and pipe, the cutting impact that the ellipticity error eliminating pipe produces.
As shown in Figure 4, a kind of control method of communicated wire cutting device, comprises the steps:
S100: set the constant distance value needing to keep within the scope of the distance of reaction of proximity switch to pipe between the two, start telescoping mechanism, elevating lever is promoted with the first bearing pin for pivot rotates to level by telescoping mechanism, controller controls motor and drives screw body to run, screw body drives ellipticity measurement device and burning torch synchronizing moving, until reach constant distance value between the bus peak of proximity switch and pipe;
S200: start lathe, lathe drives pipe to rotate;
S300: burning torch cuts pipe, the proximity switch detection bus peak of pipe and the distance between it change simultaneously, once distance is between the two greater than or less than constant distance value, screw body drives ellipticity measurement device and burning torch synchronizing moving, makes to keep constant distance value between the bus peak of proximity switch and pipe.
Further, after cutting, also comprise the steps:
Telescoping mechanism pulls elevating lever with the first bearing pin for pivot rotates to vertical state.
Ellipticity measurement method described in the present embodiment, simple to operate, convenient, elevating lever is promoted with the first bearing pin for pivot rotates to level by telescoping mechanism, when burning torch cuts pipe, proximity switch detects the bus peak of pipe in real time and the distance between it changes and feeds back to controller, thus control screw body drive ellipticity measurement device and burning torch synchronizing moving, make to keep constant distance value between the bus peak of proximity switch and pipe, distance simultaneously between burning torch and the bus peak of pipe can keep constant, avoid occurring hitting rifle phenomenon, thus the cutting impact that the ellipticity error can eliminating pipe produces.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims (9)

1. an ellipticity measurement device, it is characterized in that, comprise elevating lever, proximity switch, fixed mount, telescoping mechanism, fixed head, described proximity switch is arranged on the front end of elevating lever, described fixed mount is arranged on fixed head, and with elevating lever by the first pinned connection, the first end of described telescoping mechanism is arranged on fixed head, second end and elevating lever are by the second pinned connection, and be formed with difference in height between the first end of telescoping mechanism and the second end, described fixed mount is provided with mouth of stepping down, described second bearing pin relative to the first bearing pin closer to proximity switch, described fixed mount comprises the first side, second side, and connect the joint face of the first side and the second side, first side is connected with fixed head, first bearing pin is successively through the first side, elevating lever, second side, mouth of stepping down is arranged on the side of joint face near the second bearing pin.
2. ellipticity measurement device according to claim 1, is characterized in that, it also comprises adjustment screw, and the setting height(from bottom) of described telescoping mechanism first end is higher than its second end, and adjustment screw is arranged on the side of joint face away from the second bearing pin.
3. ellipticity measurement device according to claim 1, it is characterized in that, described telescoping mechanism comprises cylinder and the ear that is connected with cylinder two ends respectively climbs seat and draw ring, and described ear is climbed seat and is arranged on fixed head, and described draw ring is connected with elevating lever by the second bearing pin.
4. ellipticity measurement device according to claim 3, is characterized in that, it also comprises mount pad, trimming bolt, and described proximity switch is fixed on mount pad, and this mount pad is connected with elevating lever by described trimming bolt.
5. ellipticity measurement device according to claim 1, is characterized in that, described elevating lever is telescopic structure.
6. the ellipticity measurement device according to any one of Claims 1 to 5, is characterized in that, the cross section of one end that described elevating lever is connected with fixed mount, telescoping mechanism is rectangle.
7. a communicated wire cutting device, it is characterized in that, comprise the ellipticity measurement device as described in any one of claim 1 ~ 6, for install the lathe of pipe, burning torch, frame, controller, by motor-driven screw body, described screw body is arranged in frame, described burning torch, ellipticity measurement device are connected with screw body respectively, and described controller is electrically connected with motor, proximity switch respectively.
8. a control method for communicated wire cutting device as claimed in claim 7, is characterized in that, comprises the steps:
The constant distance value needing to keep is set between the two within the scope of the distance of reaction of proximity switch to pipe, start telescoping mechanism, elevating lever is promoted with the first bearing pin for pivot rotates to level by telescoping mechanism, controller controls motor and drives screw body to run, screw body drives ellipticity measurement device and burning torch synchronizing moving, until reach constant distance value between the bus peak of proximity switch and pipe;
Start lathe, lathe drives pipe to rotate;
Burning torch cuts pipe, the proximity switch detection bus peak of pipe and the distance between it change simultaneously, once distance is between the two greater than or less than constant distance value, screw body drives ellipticity measurement device and burning torch synchronizing moving, makes to keep constant distance value between the bus peak of proximity switch and pipe.
9. the control method of communicated wire cutting device as claimed in claim 8, is characterized in that, after cutting, also comprise the steps:
Telescoping mechanism pulls elevating lever with the first bearing pin for pivot rotates to vertical state.
CN201410096079.2A 2014-03-14 2014-03-14 Ellipticity measurement device, communicated wire cutting device and control method Active CN103817395B (en)

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CN103817395B true CN103817395B (en) 2015-09-30

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US4805311A (en) * 1986-03-21 1989-02-21 Siemens Aktiengesellschaft Measuring device for the identification of the enveloping cylinder of precision round parts
CN201449240U (en) * 2009-06-25 2010-05-05 无锡天龙钢管有限公司 Steel pipe ellipticity and camber measurement device
CN202013185U (en) * 2011-04-18 2011-10-19 温州市冠盛汽车零部件集团股份有限公司 Detecting tool for ovality of outer spherical cage retainer
KR20130052311A (en) * 2011-11-11 2013-05-22 대우조선해양 주식회사 Ellipticity measuring apparatus and method measuring the same
CN103542802B (en) * 2012-07-12 2016-06-08 中国石油天然气集团公司 Continuous pipe ovality on-line checkingi device
CN203037192U (en) * 2012-12-06 2013-07-03 天津市宇润德金属制品有限公司 Device for measuring ellipticity of bearing pedestal
CN203249602U (en) * 2013-04-24 2013-10-23 中石化石油工程机械有限公司沙市钢管厂 Circular tube ovality measuring instrument
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CN203751484U (en) * 2014-03-14 2014-08-06 上海气焊机厂有限公司 Intersecting-line cutting device and ellipticity measurement mechanism thereof

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