CN102416415B - Correcting device - Google Patents

Correcting device Download PDF

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Publication number
CN102416415B
CN102416415B CN 201110336350 CN201110336350A CN102416415B CN 102416415 B CN102416415 B CN 102416415B CN 201110336350 CN201110336350 CN 201110336350 CN 201110336350 A CN201110336350 A CN 201110336350A CN 102416415 B CN102416415 B CN 102416415B
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CN
China
Prior art keywords
workpiece
correcting
arm
walking
mechanisms
Prior art date
Application number
CN 201110336350
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Chinese (zh)
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CN102416415A (en
Inventor
詹纯新
刘权
吴新民
刘玮
熊先政
Original Assignee
中联重科股份有限公司
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Application filed by 中联重科股份有限公司 filed Critical 中联重科股份有限公司
Priority to CN 201110336350 priority Critical patent/CN102416415B/en
Publication of CN102416415A publication Critical patent/CN102416415A/en
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Publication of CN102416415B publication Critical patent/CN102416415B/en

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Abstract

The invention discloses a correcting device. The correcting device comprises a workpiece positioning table (30), two correcting mechanisms (10) and two travelling mechanisms (20), wherein the workpiece positioning table (30) is used for positioning a workpiece; the two correcting mechanisms (10) are used for correcting the size of the workpiece; each travelling mechanism comprises a guide rail (21) and a travelling part (22) moving along the guide rail; and the workpiece positioning table is positioned between the two travelling mechanisms, and the two correcting mechanisms are arranged oppositely and respectively arranged on the travelling parts of the two travelling mechanisms. The correcting mechanisms can be driven to move in the length direction of the workpiece through the travelling mechanisms, so that the two sides of the workpiece can be corrected at the same time, the workpiece can be kept in a positioned state suitable for a next procedure, and low efficiency caused by excessive movement of the workpiece is avoided. In addition, a boom is placed in the same state during correction, detection and assembly, so that the detection result is more identical with the actual condition, and the detection precision is higher.

Description

Apparatus for correcting
Technical field
The present invention relates to the rectification of workpiece, particularly, relate to a kind of for the apparatus for correcting of correcting arm.
Background technology
Arm is as the core component of large-tonnage wheeled crane, and the quality of its workpiece and efficient directly have influence on the industrialization of large-tonnage wheeled crane.Arm forms cylindrical shell by the welding of more piece cylindrical portion usually, because therefore the cylindrical shell required precision height of large-tonnage arm need carry out size and correct after welding.
Usually use arbor press 10 shown in Figure 1 ' exist the cylindrical portion of deviation to push to size, to correct dimensional discrepancy during rectification.Wherein, need correct the both sides of arm workpiece (being designated hereinafter simply as arm) usually.Particularly, as shown in Figure 2, arbor press 10 ' comprise arbor press pressure head 11 ' and be arranged on the conveying mechanism 20 of this arbor press pressure head 11 ' below ', during rectification arm is placed on conveying mechanism 20 ' on, make arm a side down, opposite side up, thereby part that needs are corrected through arbor press 10 ' below the time, by arbor press 10 ' extruding rectification.As mentioned above, the both sides of arm all need to correct, and therefore in a rear flank of having corrected arm, arm need be spun upside down, and make opposite side up to correct.
Therefore, in the prior art, arm is corrected and to be had following defective: (1), need travelling workpiece, and floor space is bigger; (2), pressure head drives by the vertical solution cylinder pressure, idle stroke is long, efficient is lower; (3), once can only correct a side of arm, need other equipment and manpower auxiliary during turning operation, cause inefficiency; (4), when correcting, arm is placed with the state that both sides are parallel to horizontal plane, need after the rectification with arm navigate to both sides perpendicular to the state of horizontal plane to assemble, also need to overturn after therefore correcting, cause inefficiency equally; When (5), correct detecting during with assembling different testing result and the actual conditions of may causing of arm laying state may not be inconsistent.
Summary of the invention
The purpose of this invention is to provide a kind of efficient, reliable apparatus for correcting.
To achieve these goals, the invention provides a kind of apparatus for correcting, wherein, this apparatus for correcting comprises: workpiece positioning table, this workpiece positioning table are used for the location workpiece; Two straightening mechanisms, this straightening mechanism is used for correcting the size of described workpiece; Two walking mechanisms, each walking mechanism comprise guide rail and the running part that moves along this guide rail; Wherein, described workpiece positioning table is between described two walking mechanisms, and described two straightening mechanisms are oppositely arranged and are installed in respectively on the running part of described two walking mechanisms.
Preferably, described running part has through hole, and described straightening mechanism comprises installation portion and rectification portion, and described installation portion can be along the moving axially of described through hole, and described rectification portion is installed on the described installation portion and is positioned at the inboard of described walking mechanism.
Preferably, described installation portion comprises hydraulic cylinder, and this hydraulic cylinder comprises cylinder barrel and piston rod, and described cylinder barrel is installed in the described through hole, and described rectification portion is installed on the described piston rod.
Preferably, described rectification portion comprises pressure head, and this pressure head forms the elongate in shape of extending along the moving direction of described walking mechanism.
Preferably, described pressure head has the extruding contact-making surface, and described extruding contact-making surface is used for the described workpiece of extruding to correct, and the cross section of described pressure head forms the shape of reducing towards described extruding contact-making surface.
Preferably, described two walking mechanisms connect by crossbeam, and at least one described walking mechanism is provided with driver element.
Preferably, described walking mechanism forms body structure, described apparatus for correcting comprises that this controller is positioned at described body structure outside for the controller of the described driver element of control, and described driver element is connected in described controller by the cable that passes described body structure internal placement.
Preferably, described workpiece positioning table comprises the fixed mechanism and the elevating mechanism that is connected in described fixed mechanism for fixing described workpiece.
Preferably, described workpiece positioning table is a plurality of and along arranged in a straight line, and described two walking mechanisms lay respectively at the both sides of described straight line.
Preferably, described two walking mechanisms equate with distance between the described straight line.
Pass through technique scheme, can drive straightening mechanism by walking mechanism moves along the length direction of workpiece, thereby can correct the both sides of workpiece simultaneously, but also can make workpiece keep being suitable for the positioning states of subsequent processing (for example assembling), avoid the inefficiency that causes because of travelling workpiece too much.In addition, the arm laying state is identical when correct detecting and when assembling, and testing result and actual conditions are more identical, and accuracy of detection is higher.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the existing arbor press of explanation;
Fig. 2 is the schematic diagram that explanation uses existing arbor press to correct;
Fig. 3 is the structural representation of a kind of embodiment of explanation apparatus for correcting of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the side view of the means for correcting of key diagram 3, and wherein, walking mechanism moves to a side of workpiece positioning table.
Description of reference numerals
10: straightening mechanism
11: installation portion 11a: hydraulic cylinder 11b: pump 11c: fuel tank
12: rectification portion 13: pressure head
20: walking mechanism
21: guide rail 22: running part 22a: through hole 22b: road wheel
30: workpiece positioning table 31: fixed mechanism 32: elevating mechanism
33: lifting motor
40: crossbeam 50: cable 60: distribution box 70: controller
10 ': arbor press 11 ': arbor press pressure head 20 ': conveying mechanism
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
In the present invention, under the situation of not doing opposite explanation, the noun of locality of use is as the upper and lower, left and right shown in " upper and lower, left and right " typically refer to reference to the accompanying drawings; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
The invention provides a kind of apparatus for correcting, wherein, this apparatus for correcting comprises: workpiece positioning table 30, and this workpiece positioning table 30 is used for the location workpiece; Two straightening mechanisms 10, the size that this straightening mechanism 10 is used for correcting described workpiece; Two walking mechanisms 20, each walking mechanism 20 comprise guide rail 21 and the running part 22 that moves along this guide rail 21; Wherein, described workpiece positioning table 30 is between described two walking mechanisms 20, and described two straightening mechanisms 10 are oppositely arranged and are installed in respectively on the running part 22 of described two walking mechanisms 20.
When using apparatus for correcting of the present invention to correct workpiece, walking mechanism 20 can drive straightening mechanism 10 and move along the length direction of workpiece, and implements to correct by straightening mechanism 10 in the position that needs are corrected.In this process, workpiece can keep flat, and namely the both sides of arm are perpendicular to horizontal plane, and two straightening mechanisms 10 can be corrected the both sides of arm respectively.Therefore, use apparatus for correcting of the present invention, can when finishing rectification, avoid travelling workpiece, thereby make workpiece keep being suitable for the laying state of subsequent processing (assembly process).In addition and since arm when correct detecting and during assembling laying state identical, therefore testing result and the actual conditions after the rectification are more identical, accuracy of detection is higher.
Straightening mechanism 10 can be installed on the running part 22 by various suitable modes and structure, as long as can move and can implement to correct in the position that needs are corrected along guide rail 21 with running part 22.In preferred embodiment of the present invention, as shown in Figure 3, described running part 22 has through hole 22a, described straightening mechanism 10 can comprise installation portion 11 and rectification portion 12, described installation portion 11 can be along the moving axially of described through hole 22a, and described rectification portion 12 is installed on the described installation portion 11 and is positioned at the inboard of described walking mechanism 20.By this layout, installation portion 12 move axially the distance that can regulate between the rectification portion 12, correct the workpiece of different in width or correct in the position of workpiece different in width being suitable for.
It will be appreciated by persons skilled in the art that installation portion 11 can adopt various suitable structures to realize described moving axially.In preferred embodiment of the present invention, described installation portion 11 can comprise hydraulic cylinder 11a, this hydraulic cylinder 11a comprises cylinder barrel and piston rod, described cylinder barrel is installed in the described through hole 22a, described rectification portion 12 is installed on the described piston rod, thereby can be by flexible realization the moving axially along through hole 22a of piston rod.
Wherein, installation portion 11 comprises that also its syndeton does not elaborate again for the pump 11b of hydraulic cylinder 11a and fuel tank 11c.Pump 11b and fuel tank 11c also can be installed on the walking mechanism 20 by independent mounting structure.
Wherein, described rectification portion 12 comprises pressure head 13, and this pressure head 13 can form the elongate in shape of extending along the moving direction of described walking mechanism 20, thereby pressure head 13 is contacted with certain-length with workpiece, with the even application of force.
In addition, described pressure head 13 has the extruding contact-making surface, described extruding contact-making surface is used for the described workpiece of extruding to correct, preferably, the cross section of described pressure head 13 forms the shape of reducing towards described extruding contact-making surface, contact thereby make pressure head 13 and workpiece form proximal line, to reduce contact-making surface and to concentrate extruding force, can more effectively implement thus to correct.
In preferred embodiment of the present invention, as shown in Figure 3, described two walking mechanisms 20 can connect by crossbeam 40, and at least one described walking mechanism 20 is provided with driver element.By this layout, the action of two walking mechanisms 20 is consistent.In addition, only need in a walking mechanism 20 the movement that driver element can drive two walking mechanisms 20 simultaneously to be set, thereby can reduce driver element, simplified structure.
Wherein, walking mechanism 20 can form various suitable structures, as long as straightening mechanism 10 can be installed and along guide rail 21 walking.In embodiments of the present invention, described walking mechanism 20 can form body structure.In addition, described apparatus for correcting can comprise the controller 70 for the described driver element of control, as shown in Figure 5, this controller 70 can be positioned at described body structure outside, and described driver element can be connected in described controller 70 by the cable 50 that passes described body structure internal placement.By controller 70, can control driver element and the straightening mechanism 10 of apparatus for correcting, with the movement of control walking mechanism 20 and the corrective operations of straightening mechanism 10.Controller 70 can be variously suitable to have control program to be used for realizing the module of corresponding function.For example, controller 70 can comprise for the control module of realizing various concrete operations, described control module can be (but being not limited to): can and carry out that signal is handled with the driver element of walking mechanism 20 and (for example pump 11b) communication of the driver element of straightening mechanism 10 and the programmable logic controller (PLC) (PLC) of logic control, computer control unit, single-chip microprocessor processor etc., its concrete control method can be programmed or control manually as required, does not elaborate at this.
In addition, can distribution boxs 60 be installed in walking mechanism 20, for the driver element of walking mechanism 20 and/or the driver element of straightening mechanism 10 provide electric power.
In addition, workpiece positioning table 30 can adopt various suitable structures, as long as can fixation workpiece.In preferred embodiment of the present invention, as Fig. 3 and shown in Figure 5, described workpiece positioning table 30 can comprise the fixed mechanism 31 and the elevating mechanism 32 that is connected in described fixed mechanism 31 for fixing described workpiece.Wherein, can pass through fixed mechanism 31 fixation workpieces, can also regulate the height of fixed mechanism 31 and workpiece by upgrading mechanism 32, to be suitable for that the workpiece of differing heights is implemented rectification.
More preferably, described workpiece positioning table 30 can be for a plurality of and along arranged in a straight line, and described two walking mechanisms 20 lay respectively at the both sides of described straight line, thereby walking mechanism 20 can be along guide rail 21 walkings that are parallel to this straight line.Thus, can by a plurality of positioning tables 30 along the length direction of workpiece support, fixation workpiece, be conducive to correct reposefully along the diverse location of the length direction of workpiece.
In addition, described two walking mechanisms 20 are equated with distance between the described straight line, just make two walking mechanisms 20 (and straightening mechanism 10) be symmetrical arranged parameter setting and adjusting when being convenient to corrective operations about described straight line.
Below describe preferred embodiment of the present invention by reference to the accompanying drawings in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out any combination between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (8)

1. an arm apparatus for correcting is characterized in that, this arm apparatus for correcting comprises:
Workpiece positioning table (30), this workpiece positioning table (30) are used for the location workpiece;
Two straightening mechanisms (10), this straightening mechanism (10) is used for correcting the size of described workpiece;
Two walking mechanisms (20), each walking mechanism (20) comprise guide rail (21) and the running part (22) that moves along this guide rail (21);
Wherein, described workpiece positioning table (30) is positioned between described two walking mechanisms (20), described two straightening mechanisms (10) are oppositely arranged and are installed in respectively on the running part (22) of described two walking mechanisms (20), described straightening mechanism (10) comprises rectification portion (12), described rectification portion (12) comprises pressure head (13), this pressure head (13) forms the elongate in shape of extending along the moving direction of described walking mechanism (20), described pressure head (13) has the extruding contact-making surface, described extruding contact-making surface is used for the described workpiece of extruding to correct, the cross section of described pressure head (13) forms the shape of reducing towards described extruding contact-making surface, thereby making described pressure head (13) and described workpiece form proximal line contacts, described workpiece is arm, and locate perpendicular to horizontal plane the both sides of described arm.
2. arm apparatus for correcting according to claim 1, it is characterized in that, described running part (22) has through hole (22a), described straightening mechanism (10) comprises installation portion (11), described installation portion (11) can be along the moving axially of described through hole (22a), and described rectification portion (12) is installed in the inboard that described walking mechanism (20) were gone up and be positioned to described installation portion (11).
3. arm apparatus for correcting according to claim 2, it is characterized in that described installation portion (11) comprises hydraulic cylinder (11a), this hydraulic cylinder (11a) comprises cylinder barrel and piston rod, described cylinder barrel is installed in the described through hole (22a), and described rectification portion (12) is installed on the described piston rod.
4. arm apparatus for correcting according to claim 1 is characterized in that, described two walking mechanisms (20) connect by crossbeam (40), and at least one described walking mechanism (20) is provided with driver element.
5. arm apparatus for correcting according to claim 4, it is characterized in that, described walking mechanism (20) forms body structure, described arm apparatus for correcting comprises the controller (70) for the described driver element of control, this controller (70) is positioned at described body structure outside, and described driver element is connected in described controller (70) by the cable (50) that passes described body structure internal placement.
6. arm apparatus for correcting according to claim 1 is characterized in that, described workpiece positioning table (30) comprises for the fixed mechanism (31) of fixing described workpiece and is connected in the elevating mechanism (32) of described fixed mechanism (31).
7. according to any described arm apparatus for correcting among the claim 1-6, it is characterized in that described workpiece positioning table (30) is a plurality of and along arranged in a straight line, described two walking mechanisms (20) lay respectively at the both sides of described straight line.
8. arm apparatus for correcting according to claim 7 is characterized in that, described two walking mechanisms (20) equate with distance between the described straight line.
CN 201110336350 2011-10-31 2011-10-31 Correcting device CN102416415B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102416415B true CN102416415B (en) 2013-09-04

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CN103990660B (en) * 2014-05-28 2016-08-24 平顶山电力设计院有限公司 The portable wire clamp curvature correction device of upset
CN104923590B (en) * 2015-04-20 2017-08-04 安阳强基精密制造产业园股份有限公司 Pressure correction machine and its bearing calibration
CN105149381B (en) * 2015-08-18 2017-05-10 奇瑞汽车股份有限公司 Elbow hinge shaping tool and method
CN107309296B (en) * 2017-06-22 2019-11-15 安徽合力股份有限公司宝鸡合力叉车厂 A kind of door frame apparatus for correcting
CN110044230B (en) * 2019-05-29 2021-01-15 盐城工学院 Novel spare part assembly error detects device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1378070A (en) * 1971-12-17 1974-12-18 Zdarske Strojirny A Slevarny Presses
SU733773A1 (en) * 1977-05-03 1980-05-15 Среднеазиатский Филиал Центрального Опытно-Конструкторского Технологического Бюро Государственного Всесоюзного Ордена Трудового Красного Знамени Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно- Тракторного Парка Press for straightening metallic constructions
CN2088463U (en) * 1991-04-09 1991-11-13 丹东市五龙背汽车保修机械厂 Hydraulic multi-purpose correcting machine
CN200995236Y (en) * 2007-01-09 2007-12-26 傅景宽 Hydraulic correcting unit
CN201338034Y (en) * 2008-10-21 2009-11-04 王怀起 Automotive frame alignment apparatus with lifting function
CN201632516U (en) * 2010-02-09 2010-11-17 于华北 Through type adjustment and repair machine for vehicle body
CN201791787U (en) * 2010-09-29 2011-04-13 北京长宇利华液压系统工程设计有限公司 Semi-automatic cold-drawn steel tube straightener

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1378070A (en) * 1971-12-17 1974-12-18 Zdarske Strojirny A Slevarny Presses
SU733773A1 (en) * 1977-05-03 1980-05-15 Среднеазиатский Филиал Центрального Опытно-Конструкторского Технологического Бюро Государственного Всесоюзного Ордена Трудового Красного Знамени Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно- Тракторного Парка Press for straightening metallic constructions
CN2088463U (en) * 1991-04-09 1991-11-13 丹东市五龙背汽车保修机械厂 Hydraulic multi-purpose correcting machine
CN200995236Y (en) * 2007-01-09 2007-12-26 傅景宽 Hydraulic correcting unit
CN201338034Y (en) * 2008-10-21 2009-11-04 王怀起 Automotive frame alignment apparatus with lifting function
CN201632516U (en) * 2010-02-09 2010-11-17 于华北 Through type adjustment and repair machine for vehicle body
CN201791787U (en) * 2010-09-29 2011-04-13 北京长宇利华液压系统工程设计有限公司 Semi-automatic cold-drawn steel tube straightener

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