CN104128394A - Cover plate deformation correcting device and cover plate deformation correcting method using same - Google Patents

Cover plate deformation correcting device and cover plate deformation correcting method using same Download PDF

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Publication number
CN104128394A
CN104128394A CN201310324557.6A CN201310324557A CN104128394A CN 104128394 A CN104128394 A CN 104128394A CN 201310324557 A CN201310324557 A CN 201310324557A CN 104128394 A CN104128394 A CN 104128394A
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China
Prior art keywords
cover plate
support
overhangs
clamping limb
edge
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CN201310324557.6A
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Chinese (zh)
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CN104128394B (en
Inventor
郝静燕
王跃文
王少峰
史之杰
韩艳红
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Henan Weihua Heavy Machinery Co Ltd
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Henan Weihua Heavy Machinery Co Ltd
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Abstract

The invention relates to a cover plate deformation correcting device and a cover plate deformation correcting method using the same. The cover plate deformation correcting device comprises a clamping arm used for clamping an overhanging edge of a cover plate, a driving arm driving the clamping arm to rotate, a supporting end used for supporting on the surface of a corresponding web, and a driving device at an output end, the clamping arm and the driving arm are arranged in an L-shaped manner, the clamping arm comprises a top surface supporting portion used for supporting a corresponding bending supporting point on the top surface of the overhanging edge, and a bottom surface supporting portion used for jacking and pressing the bottom surface of the overhanging edge, the driving arm is arranged on one side, close to the bottom surface supporting portion, of the clamping arm, the driving device is used for moving towards a direction away from the supporting end to drive the clamping arm to rotate by taking the top surface supporting portion as a supporting point. By the cover plate deformation correcting device, deformation of the overhanging edge of the cover plate can be corrected conveniently.

Description

Cover plate deformation correcting device and use the cover plate distortion correcting method of this device
Technical field
The present invention relates to cover plate deformation correcting device and use the cover plate distortion correcting method of this device.
Background technology
As shown in Figure 1, it is a kind of cross sectional representation of girder of crane, comprise spaced two webs 92 in left and right, be sealed in upper cover plate 91 and the lower cover 93 of two web 92 tops and bottom, wherein upper cover plate 91 and lower cover 93 are to be weldingly fixed on web 92, and width is greater than the spacing of two webs 92.Girder is in manufacture process, after the lateral angle weld seam having welded between each cover plate and web 92, because welding is shunk, the edge that overhangs that each cover plate exceeds web 92 will produce to the distortion of respective side web 92 bendings, when particularly girder adopts inclined to one side rail structure, the distance that overhangs at the edge 911 that overhangs of upper cover plate 91 is longer, and the distortion after welding will be more serious, for assurance crane, normally work, this distortion must be corrected.
At present to cover plate, the overhang rectification of edgewise distortion is generally to utilize fixture and crane to carry out, and fixture is used for the overhang part of edgewise distortion of clamping, then relies on crane to drive fixture towards the opposite direction motion of distortion, and the edge that overhangs of sagging distortion is corrected.But because crane hanging component strength is larger, correcting process is easily caused danger, rectify distance is wayward, and operating efficiency is low, and need to take for a long time crane, and impact is produced, and has increased operating cost.
Summary of the invention
The object of this invention is to provide a kind of can be easily to the cover plate cover plate deformation correcting device that the distortion at edge corrects that overhangs, a kind of cover plate distortion correcting method that uses this device is provided simultaneously.
The technical scheme that cover plate deformation correcting device of the present invention adopts is, cover plate deformation correcting device, comprise for clamping the clamping limb at the edge that overhangs of cover plate, the actuating arm that drives clamping limb to rotate, the L-shaped setting of described clamping limb and actuating arm, described clamping limb comprises for supporting the end face support portion of corresponding bending fulcrum on the edge end face that overhangs, for pushing up the bottom supporting portion that presses the bottom surface, edge that overhangs, described actuating arm is arranged on clamping limb near a side of bottom supporting portion, described cover plate deformation correcting device also comprises having for being supported on the lip-deep support end of corresponding web and driving clamping limb to take the drive unit of the output that end face support portion rotates as fulcrum for the direction motion to away from support end.
Described clamping limb has away from one end of actuating arm be that hierarchic structure overhangs first support termination and second and support termination, described end face support portion is by being arranged on forming near the top support of a side of web for supporting the edge top surface that overhangs of the first support termination end, and described bottom supporting portion is by being arranged on forming away from the bottom support of a side of web for supporting the edge lower surface that overhangs of the second support termination end.
The direction that overhangs of described actuating arm is vertical with clamping limb.
Described drive unit is to consist of jack.
The technical scheme that cover plate distortion correcting method of the present invention adopts is: cover plate distortion correcting method, the method comprises the following steps: the first step, the edge that overhangs that clamping limb clamping is deformed to cover plate, end face, the bottom supporting portion top that makes its end face support portion be supported on the edge that overhangs is pressed in the bottom surface at the edge that overhangs, and the distance with the corresponding one section of setting in web interval near bottom supporting portion one side and the actuating arm L-shaped layout of clamping limb that makes to overhang at clamping limb; Second step, pushes up the output of drive unit and support end respectively and is pressed onto on actuating arm and the surface of corresponding web; The 3rd step, makes drive unit action so that its output moves to the direction away from support end, thereby drives clamping limb to take end face support portion as fulcrum rotates, and relies on the support of end face support portion and the top of bottom supporting portion to press the edge reversal deformation that makes to overhang to complete rectification.
Described clamping limb has away from one end of actuating arm be that hierarchic structure overhangs first support termination and second and support termination, described end face support portion is by being arranged on forming near the top support of a side of web for supporting the edge top surface that overhangs of the first support termination end, and described bottom supporting portion is by being arranged on forming away from the bottom support of a side of web for supporting the edge lower surface that overhangs of the second support termination end.
The direction that overhangs of described actuating arm is vertical with clamping limb.
Described drive unit is to consist of jack.
The present invention adopts technique scheme, because cover plate deformation correcting device comprises for clamping the clamping limb at the edge that overhangs of cover plate, the actuating arm that drives clamping limb to rotate, the L-shaped setting of described clamping limb and actuating arm, described clamping limb comprises for supporting the end face support portion of corresponding bending fulcrum on the edge end face that overhangs, for pushing up the bottom supporting portion that presses the bottom surface, edge that overhangs, described actuating arm is arranged on clamping limb near a side of bottom supporting portion, and described cover plate deformation correcting device also comprises having for being supported on the lip-deep support end of corresponding web and driving clamping limb to take the drive unit of the output that end face support portion rotates as fulcrum for the direction motion to away from support end, therefore, the support end of drive unit can be supported on corresponding web, output can be supported on actuating arm, while making output to direction moving displacement away from support end when drive unit action, can make actuating arm rotate towards the direction deviating from web, carrying out operation with available technology adopting crane compares, technique scheme compact conformation, convenient operation, can be easily to cover plate the overhang distortion at edge correct, and avoided taking for a long time crane, improved operating efficiency, be conducive to reduce operating cost.
Accompanying drawing explanation
Fig. 1: the cross sectional representation of crane girder in prior art;
The name that in figure, each Reference numeral is corresponding is called: 91 upper cover plates, 911 edges that overhang, 92 webs, 93 lower covers.
Fig. 2: the structure of an embodiment of cover plate deformation correcting device of the present invention and job state schematic diagram.
The name that in figure, each Reference numeral is corresponding is called: 1 girder, 11 upper cover plates, 111 edges that overhang, 12 webs, 13 lower covers, 2 cover plate deformation correcting devices, 21 clamping limbs, 211 first support termination, 2111 top support, 212 second support termination, 2121 bottom supports, 22 actuating arms, 23 jack, 231 support ends, 232 outputs.
The specific embodiment
An embodiment of cover plate deformation correcting device of the present invention as shown in Figure 2, comprise cover plate straightening fixture, as the jack 23 of drive unit, straightening fixture and jack 23 are to be separated from each other setting, the flexible adjustment of jack Support Position while being convenient to shift and use.
Cover plate straightening fixture comprises clamping limb 21, the actuating arm 22 for driving clamping limb 21 to rotate for clamping the edge 111 that overhangs of cover plate.Actuating arm 22 be outstanding be arranged on clamping limb 21 near a side of bottom supporting portion 212 and the direction that overhangs perpendicular to clamping limb 21; Clamping limb 21 has away from one end of actuating arm 22 be that hierarchic structure overhangs first support termination 211 and second and support termination 212, on the end of the first support termination 211, be fixed with top support 2111, for supporting in use edge 111 top surfaces that overhang near a side of web, form end face support portion; Second supports on the end of termination 212 and is fixed with bottom support 2121, for supporting in use edge 111 top surfaces that overhang away from a side of web, forms bottom supporting portion.Like this, when actuating arm rotates counterclockwise, the end face support portion of clamping limb and bottom supporting portion can produce larger moment of torsion to the edge 111 that overhangs of distortion, be convenient to operation, the first hierarchic structure that supports termination 211 and the second support termination 212 formation is also convenient to clamping limb clamping on the edge 111 that overhangs simultaneously.One end of jack 23 displacement outbound courses is for being supported on the support end 231 on corresponding web 12, and the other end is for pressing actuating arm 22 to drive actuating arm 22 to deviating from the output 232 rotating in the direction of web 12 for pushing up.
An embodiment of cover plate distortion correcting method of the present invention is the using method of an embodiment of above-mentioned cover plate deformation correcting device 2, first, girder 1 is sidelong, make web 12 horizontal positioned, what upper cover plate 11 need to be corrected overhangs edge 111 up, then carry out according to the following steps straightening: the first step, the edge 111 that overhangs that clamping limb 21 clampings are deformed to upper cover plate 11, make the end face support portion of clamping limb 21 be supported on the end face at the edge 111 that overhangs, bottom supporting portion top is pressed in the bottom surface at the edge 111 that overhangs, and make to overhang at clamping limb 21 and for jack 23, to support the distance of placing near bottom supporting portion one side and actuating arms 22 clamping limb 21 L-shaped layouts and corresponding web 12 one section of setting in interval, second step, pushes up the output of jack 23 232 and support end 231 respectively and is pressed onto on actuating arm 22 and the surface of corresponding web 12, the 3rd step, 23 actions of operation jack, make output 232 protrude upward suitable distance, drive actuating arm 22 to deviating from the direction of web 12, to rotate suitable angle with end face support zone fulcrum, rely on the support of end face support portion and the top of bottom supporting portion to press the moment of torsion producing edge 111 reversal deformations that make to overhang, complete rectification.
In the above-described embodiments, the direction that overhangs of actuating arm 22 is perpendicular to clamping limb 21, bottom supporting portion is less than end face support portion to the overhang vertical range of direction of actuating arm 22 to the overhang vertical range of direction of actuating arm 22, and what drive unit adopted is jack 23, in other embodiments of the invention, the direction that overhangs of actuating arm 22 also can be the angle that is greater than 0 ° and is less than 90 ° with clamping limb 21, as long as can make jack 23 can be supported between web 12 and actuating arm 22, can realize the driving to fixture equally; In addition, according to the drawing direction of Fig. 2, observe, the position of bottom supporting portion also can be concordant with end face support portion, as long as can guarantee, when fixture rotates counterclockwise, can drive edge 111 bendings that overhang, all can reach the object of correcting distortion, this is that those skilled in the art can understand and realize; Moreover, as the jack 23 of drive unit, also can replace to other forms, hydraulic cylinder for example, pneumatic cylinder, electric pushrod etc., and the output 232 of drive unit also can be in transmission connection with actuating arm 22, for example, adopt and be articulated and connected.And the modes of emplacement of above-described embodiment middle girder is not limit, for example make lower cover support on the ground, make upper cover plate upper, as long as can make cover plate deformation correcting device be installed, all can carry out straightening operation.

Claims (8)

1. cover plate deformation correcting device, it is characterized in that: comprise for clamping the clamping limb at the edge that overhangs of cover plate, the actuating arm that drives clamping limb to rotate, the L-shaped setting of described clamping limb and actuating arm, described clamping limb comprises for supporting the end face support portion of corresponding bending fulcrum on the edge end face that overhangs, for pushing up the bottom supporting portion that presses the bottom surface, edge that overhangs, described actuating arm is arranged on clamping limb near a side of bottom supporting portion, described cover plate deformation correcting device also comprises having for being supported on the lip-deep support end of corresponding web and driving clamping limb to take the drive unit of the output that end face support portion rotates as fulcrum for the direction motion to away from support end.
2. cover plate deformation correcting device according to claim 1, it is characterized in that: described clamping limb has away from one end of actuating arm be that hierarchic structure overhangs first support termination and second and support termination, described end face support portion is by being arranged on forming near the top support of a side of web for supporting the edge top surface that overhangs of the first support termination end, and described bottom supporting portion is by being arranged on forming away from the bottom support of a side of web for supporting the edge lower surface that overhangs of the second support termination end.
3. cover plate deformation correcting device according to claim 1 and 2, is characterized in that: the direction that overhangs of described actuating arm is vertical with clamping limb.
4. cover plate deformation correcting device according to claim 1 and 2, is characterized in that: described drive unit is to consist of jack.
5. use the cover plate distortion correcting method of cover plate deformation correcting device as claimed in claim 1, it is characterized in that the method comprises the following steps: the first step, the edge that overhangs that clamping limb clamping is deformed to cover plate, end face, the bottom supporting portion top that makes its end face support portion be supported on the edge that overhangs is pressed in the bottom surface at the edge that overhangs, and the distance with the corresponding one section of setting in web interval near bottom supporting portion one side and the actuating arm L-shaped layout of clamping limb that makes to overhang at clamping limb; Second step, pushes up the output of drive unit and support end respectively and is pressed onto on actuating arm and the surface of corresponding web; The 3rd step, makes drive unit action so that its output moves to the direction away from support end, thereby drives clamping limb to take end face support portion as fulcrum rotates, and relies on the support of end face support portion and the top of bottom supporting portion to press the edge reversal deformation that makes to overhang to complete rectification.
6. cover plate distortion correcting method according to claim 5, it is characterized in that: described clamping limb has away from one end of actuating arm be that hierarchic structure overhangs first support termination and second and support termination, described end face support portion is by being arranged on forming near the top support of a side of web for supporting the edge top surface that overhangs of the first support termination end, and described bottom supporting portion is by being arranged on forming away from the bottom support of a side of web for supporting the edge lower surface that overhangs of the second support termination end.
7. according to the cover plate distortion correcting method described in claim 5 or 6, it is characterized in that: the direction that overhangs of described actuating arm is vertical with clamping limb.
8. according to the cover plate distortion correcting method described in claim 5 or 6, it is characterized in that: described drive unit is to consist of jack.
CN201310324557.6A 2013-07-30 2013-07-30 Cover plate deformation correcting device and use the cover plate distortion correcting method of this device Active CN104128394B (en)

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CN104128394B CN104128394B (en) 2016-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188206A (en) * 2017-12-19 2018-06-22 沪东中华造船(集团)有限公司 A kind of T profile panel apparatus for correcting

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5056349A (en) * 1990-11-01 1991-10-15 Aiello Philip C Can straightening apparatus
CN201098705Y (en) * 2007-07-27 2008-08-13 张汝林 H-shaped steel flange plate leveling machine
CN201253646Y (en) * 2008-09-12 2009-06-10 永城煤电控股集团有限公司 Lever type flat car side-door reshaping restorer
CN102059277A (en) * 2010-11-01 2011-05-18 蚌埠通达汽车零部件有限公司 Automobile fuel tank end cover leveling device
DE202011107486U1 (en) * 2011-11-03 2011-12-15 Jung Gmbh Dellenausziehgerät, for the re-deformation of depressed body parts.
CN202180111U (en) * 2011-04-29 2012-04-04 长城汽车股份有限公司 Vehicle-mounted jack cover plate shape righting tool
CN202212437U (en) * 2011-07-18 2012-05-09 上海华普钢结构工程有限公司 Deformation correcting device for large-end-face beam web of thin plate
CN103506435A (en) * 2013-09-27 2014-01-15 保定天威集团有限公司 Method and auxiliary tool for reshaping of cover plate used for transformer transportation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5056349A (en) * 1990-11-01 1991-10-15 Aiello Philip C Can straightening apparatus
CN201098705Y (en) * 2007-07-27 2008-08-13 张汝林 H-shaped steel flange plate leveling machine
CN201253646Y (en) * 2008-09-12 2009-06-10 永城煤电控股集团有限公司 Lever type flat car side-door reshaping restorer
CN102059277A (en) * 2010-11-01 2011-05-18 蚌埠通达汽车零部件有限公司 Automobile fuel tank end cover leveling device
CN202180111U (en) * 2011-04-29 2012-04-04 长城汽车股份有限公司 Vehicle-mounted jack cover plate shape righting tool
CN202212437U (en) * 2011-07-18 2012-05-09 上海华普钢结构工程有限公司 Deformation correcting device for large-end-face beam web of thin plate
DE202011107486U1 (en) * 2011-11-03 2011-12-15 Jung Gmbh Dellenausziehgerät, for the re-deformation of depressed body parts.
CN103506435A (en) * 2013-09-27 2014-01-15 保定天威集团有限公司 Method and auxiliary tool for reshaping of cover plate used for transformer transportation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188206A (en) * 2017-12-19 2018-06-22 沪东中华造船(集团)有限公司 A kind of T profile panel apparatus for correcting
CN108188206B (en) * 2017-12-19 2023-11-07 沪东中华造船(集团)有限公司 T-shaped material panel correcting device

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