WO2013053127A1 - Montage pour section standard d'une grue à tour et gabarit de travail pour ce montage - Google Patents

Montage pour section standard d'une grue à tour et gabarit de travail pour ce montage Download PDF

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Publication number
WO2013053127A1
WO2013053127A1 PCT/CN2011/080757 CN2011080757W WO2013053127A1 WO 2013053127 A1 WO2013053127 A1 WO 2013053127A1 CN 2011080757 W CN2011080757 W CN 2011080757W WO 2013053127 A1 WO2013053127 A1 WO 2013053127A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping device
positioning
standard section
positioning portion
horizontal
Prior art date
Application number
PCT/CN2011/080757
Other languages
English (en)
Chinese (zh)
Inventor
苏哲钢
陈小能
Original Assignee
中联重科股份有限公司
湖南中联重科专用车有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中联重科股份有限公司, 湖南中联重科专用车有限责任公司 filed Critical 中联重科股份有限公司
Priority to PCT/CN2011/080757 priority Critical patent/WO2013053127A1/fr
Publication of WO2013053127A1 publication Critical patent/WO2013053127A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28—Drill jigs for workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles

Definitions

  • the present invention relates to the field of machining, and more particularly to a fixture for a standard section of a tower crane and a machining template thereof.
  • Figures 1-3 show schematic views of the construction of a clamp of a standard section of a prior art tower crane.
  • the jig 1 of the prior art comprises an L-shaped base 11 on each of which is provided with a first pressing device 12 on each of two mutually perpendicular side walls.
  • the jig 1 further includes a second pressing device 13, the first end and the second end of the second pressing device 13 are respectively disposed on the two side walls, and the second pressing device 13 includes a bracket 131, and the bracket 131 The first end is pivotally disposed on one side wall of the base 11 via a shaft 135, and the second end of the bracket 131 is detachably coupled to the other side wall of the base 11 via a pin 136.
  • the screw 132 has one end of the screw 132 provided with a pressing block 133, and the other end of the screw 132 is provided with a handle 134.
  • a plate 21 is provided on the inner side of the two side walls of the standard section 2.
  • the handle 134 is operated such that the pressing block 133 simultaneously presses the two side walls of the standard section 2 in an inclined manner, thereby fixing the standard section 2 to the jig 1.
  • one surface of the standard section 2 for example, the horizontal plane in FIG. 3 can be processed (for example, the processing connection hole 22), and when the processing is completed, the entire fixture 1 is flipped 90 degrees together with the standard section 2, and then The other side of the standard section 2 (the vertical plane in Fig. 3) is processed.
  • the length of the standard section 2 is long (for example, various lengths such as usually 3 meters, 7.5 meters, 10.5 meters, etc.), therefore, in the process of turning over, the function of the self weight of the standard section 2
  • the clamping portion of the standard section 2 is loose or misaligned, the accuracy of the machining position is lowered, and it is difficult to ensure the machining accuracy.
  • the end face of the standard section 2 and the positioning surface of the jig are not easily attached, which causes a problem of large positioning error of the end face.
  • the clamps in the prior art can only drill the main chord of one size, so when processing different types, different pitches, apertures, and different lengths of standard sections, various fixtures are required, so It has the disadvantages of poor versatility, high cost and low efficiency.
  • the prior art also uses the following two methods to process the connection holes: (1) The combination of the scribe line drilling and the boring, the processing method has the disadvantages of low efficiency and being unsuitable for mass production, and cannot be guaranteed. Machining accuracy; (2) CNC boring and milling machine overall processing (such as pentahedron), this method has the disadvantage of high processing cost.
  • a processing template of a standard section of a tower crane comprising: a substrate on which a reference hole serving as a processing reference is disposed; and a first a positioning portion and a second positioning portion. Further, the first positioning portion and the second positioning portion are disposed orthogonally. Further, the processing template further includes a handle, and the handle is disposed on the substrate.
  • a die sleeve is sleeved in the reference hole.
  • the first positioning portion is a positioning stopper that is protrudedly disposed on one end surface of the substrate of the processing template.
  • the second positioning portion is a positioning groove.
  • a fixture for a standard section of a tower crane comprising: a chassis; a positioning block, the positioning block includes a first positioning portion and a second positioning portion; the first positioning portion and the second positioning portion
  • the first part comprises a horizontal positioning surface and a vertical positioning surface
  • a horizontal clamping device the horizontal clamping device comprises an adjustable first horizontal clamping device and an adjustable second horizontal clamping device, a first horizontal clamping device and a second
  • the horizontal clamping device is respectively arranged opposite to the horizontal positioning surface of the first positioning portion and the horizontal positioning surface of the second positioning portion
  • the vertical clamping device comprises an adjustable first vertical clamping device and an adjustable first Two vertical clamping devices
  • the first vertical clamping device and the second vertical clamping device are respectively arranged opposite to the vertical positioning surface of the first positioning portion and the vertical positioning surface of the second positioning portion
  • the end clamping device the end clamp
  • the tightening device comprises a first end clamping device and a second end clamping device; the first horizontal clamping device and
  • the positioning block includes a horizontal base and a protrusion that protrudes upward from a central portion of the base.
  • the first horizontal clamping device and the second horizontal clamping device each comprise a support and a screw for clamping the horizontal direction of the standard joint, and the screw is adjustably disposed in the screw hole of the support.
  • the first end of the screw is in contact with the standard section, and the end of the screw is provided with an end block.
  • the second end of the screw is provided with a manual adjustment lever.
  • each of the first end clamping device and the second end clamping device has the same structure as the first horizontal clamping device or the second horizontal clamping device.
  • the horizontal clamping device and/or the end clamping device are cylinders or cylinders.
  • first vertical clamping device and the second vertical clamping device each comprise a strut, an adjusting screw and a pressure plate, and the strut and the pressing plate are mounted on the chassis; the first end of the pressing plate is provided with a through hole, the strut The free end is provided with an adjustable support nut, the through hole of the pressure plate is sleeved on the free end of the support rod and the first end of the pressure plate is supported on the support nut; the second end of the pressure plate is placed on the standard section or the processing template; A groove is provided between the first end of the pressure plate and the second end of the pressure plate, the free end of the adjustment screw passes through the groove, and the compression nut is disposed on the free end of the adjustment screw.
  • the number of the first vertical clamping device and the second vertical clamping device are both two for respectively pressing the standard section and the machining template.
  • the first positioning portion of the processing template is a positioning stopper protrudingly disposed on one end surface of the substrate of the processing template, and the end clamping device presses the positioning stopper against the end surface of the standard section.
  • the second positioning portion of the processing template is a positioning groove, and the positioning pin provided in the positioning groove is disposed on the chassis. Further, a hook is provided on the chassis.
  • the fixture further includes an auxiliary support frame for supporting the portion of the standard section that extends beyond the chassis.
  • Fig. 1 is a perspective view schematically showing a jig of a standard section in the prior art
  • Fig. 2 is a view schematically showing the right side view of Fig. 1
  • Fig. 3 is a view schematically showing a left side view of Fig.
  • FIG. 2 Figure 4 is a plan view schematically showing the plan view of Figure 4; Figure 6 is a partial cross-sectional view of Figure 4; Figure 7 is a schematic view of the clamp of the present invention.
  • Figure 8 is a schematic view of the right side view of Figure 8;
  • Figure 9 is a schematic view of the top view of Figure 8;
  • Figure 10 is a schematic plan view of Figure 8;
  • Figure 11 is a schematic illustration of the chassis Schematic diagram of the structure.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention are described in detail below with reference to the accompanying drawings.
  • the present invention provides a processing template for a standard section of a tower crane. As shown
  • the processing template includes: a substrate 71 on which a reference hole 74 serving as a processing reference is disposed; and a first positioning portion 72 and a second positioning portion 76 are further disposed on the substrate 71.
  • the first positioning portion 72 and the second positioning portion 76 are orthogonally disposed to reliably position the processing template in two orthogonal directions.
  • the first positioning portion 72 is a positioning stopper, and the positioning stopper is protrudedly disposed on one end surface of the substrate 71; preferably, the second positioning portion 76 is a positioning groove.
  • the substrate 71 can be reliably positioned on the standard section to be processed by the first positioning portion 72 and the second positioning portion 76 so as to be processed with the reference hole 74 on the substrate 71 as a standard, and can be standardized according to different models.
  • the specific requirements of the position and size of the joint and its connection holes are equipped with a plurality of different processing templates to achieve the purpose of improving work efficiency.
  • different processing templates can be used to process standard sections of different specifications, it is no longer necessary to The standard section of the specification is specifically equipped with fixtures, thus reducing costs.
  • the processing template 7 further includes a handle 73 disposed on the substrate 71 to facilitate mounting the processing template 7 to the standard section; preferably, the handle 73 has a plurality (particularly two).
  • the reference hole 74 is sleeved with a mold
  • the sleeve 75 provides a more accurate reference for the processing of the attachment holes.
  • the first positioning portion 72 is mounted to the end surface of the substrate 71 by screws 77 and protrudes from the end surface of the substrate 71, thereby providing positioning for the horizontal direction of the substrate 71.
  • the processing template is a drill hinge.
  • the present invention provides a jig for a standard section of a tower crane. As shown in FIG.
  • the clamp comprises a chassis 1, a positioning block 2, a horizontal clamping device 3, a vertical clamping device 4 and an end clamping device 5; wherein the positioning block 2 comprises a first positioning portion 21 and The second positioning portion 22, the first positioning portion 21 and the second positioning portion 22 both include horizontal positioning surfaces 211, 221 and vertical positioning surfaces 212, 222;
  • the horizontal clamping device 3 includes an adjustable first horizontal clamping device 3a and The adjustable second horizontal clamping device 3b, the first horizontal clamping device 3a and the second horizontal clamping device 3b are respectively opposite to the horizontal positioning surface 211 of the first positioning portion 21 and the horizontal positioning surface 221 of the second positioning portion 22, respectively Arrangement;
  • the vertical clamping device 4 comprises an adjustable first vertical clamping device 4a and an adjustable second vertical clamping device 4b, the first vertical clamping device 4a and the second vertical clamping device 4b respectively and the first positioning The vertical positioning surface 212 of the portion 21 and the vertical positioning surface 222 of the second positioning portion 22 are oppositely disposed;
  • the end clamping device 5 includes a
  • the machining template 7 is clamped in the second position of the clamp by the second clamping assembly 200.
  • the positioning block 2 includes a horizontal base portion 23 and a protrusion 24 projecting upward from a central portion of the base portion 23, so that the first positioning portion 21 and the second positioning portion 22 respectively have an L-shaped shape so that Place the standard section.
  • the first positioning portion 72 of the processing template 7 is caught on the end surface of the first end of the standard section 6, and then by operating the first horizontal clamping device 3a, the first vertical clamping device 4a and the first The end clamping device 5a clamps the upper and lower sides, the left and right sides, and the one end of the first end of the standard section 6, and then can use the machine tool in the standard section 6 based on the reference hole 74 on the machining template 7.
  • the first side of the first end is correctly machined with a connecting hole; then, after the first end of the standard section 6 is inverted, the second side of the first end of the standard section 6 is placed on the positioning block 2 On the second positioning portion 22, the first end of the standard section 6 is reliably clamped in the same manner as the first surface of the first end of the clamping standard section 6, and then the connection to the second side is performed.
  • the holes are processed accordingly.
  • different processing templates can be used for standard sections of different models, different pitches, different apertures, and different lengths, without special use of different Therefore, the jig of the present invention has the characteristics of high versatility, low cost, and high efficiency.
  • the standard section 6 is an angle steel or an angle iron.
  • the undercarriage 1 is provided with a hook 11 to facilitate the entire jig.
  • the jig further includes an auxiliary support frame (not shown) for supporting the portion of the standard section 6 that extends beyond the chassis 1.
  • the auxiliary support frame can be set in the standard The portion of the segment 6 is beyond the portion of the chassis 1, thereby preventing the clamping from loosening due to the length of the standard segment 6 and its own weight.
  • the chassis 1 is fixed to the drill table, and the level of the standard section can be adjusted by adjusting the bearing surface of the auxiliary support.
  • the length of the standard section can be unlimited, as long as the first end of the standard section is positioned on the chassis and the second end is supported on the auxiliary support frame, Adjusting the distance between the auxiliary support frame and the chassis makes the fixture of the present invention suitable for processing standard sections of various lengths (especially suitable for processing long angle steel).
  • the standard section 6 is the main chord of the fishplate tower crane.
  • the first horizontal clamping device 3a and the second horizontal clamping device 3b each comprise a support 31 and a screw 32 for clamping the horizontal direction of the standard section 6, the screw 32 is adjustably disposed in the screw hole of the holder 31, that is, the first horizontal clamping device 3a and the second horizontal clamping device 3b have the same structure. It can be seen that when the horizontal direction of the standard section needs to be positioned, one side of the standard section can be abutted on the horizontal positioning surface 211, 221 of the first positioning part 21 or the second positioning part 22, and then the screw 32 is driven to the standard section.
  • the first end of the screw 32 is in contact with the standard section 6, and the first end of the screw 32 is provided with an end block 33, and the end block 33 can be used to provide a larger clamping surface for clamping, thereby improving the clamping. reliability.
  • the second end of the screw 32 is provided with a manual adjustment lever 34, so that the manual adjustment lever 34 can be operated by a manual operation, thereby making the entire horizontal clamping process more convenient.
  • the first end clamping device 5a and the second end clamping device 5b each have the same structure as the first horizontal clamping device 3a or the second horizontal clamping device 3b.
  • the horizontal clamping device 3 and/or the end clamping device 5 can also be a cylinder or a cylinder, which can be automatically controlled in the form of a cylinder or cylinder and can provide a larger clamping. force.
  • the first vertical clamping device 4a and the second vertical clamping device 4b each include a strut 41, an adjusting screw 42 and a pressure plate 43, and the strut 41 and the pressure plate 43 are mounted on the chassis 1;
  • the first end of the pressure plate 43 is provided with a through hole, and the free end of the support rod 41 is provided with an adjustable support nut 45, the through hole of the pressure plate 43 is sleeved on the free end of the support rod 41 and the first end of the pressure plate 43 Supported on the support nut 45;
  • the second end of the pressure plate 43 is placed on the standard section 6 or the machining template 7;
  • the pressure plate 43 further includes a groove 431 disposed between the first end of the pressure plate 43 and the second end of the pressure plate 43 for adjustment
  • the free end of the screw 42 passes through the groove 431, and the free end of the adjusting screw 42 is provided with a pressure.
  • the number of the first vertical clamping device 4a and the second vertical clamping device 4b are both two for respectively pressing the standard section 6 and the machining template 7.
  • the through hole on the first end of the pressure plate 43 is attached to the support rod 41 and the position of the support nut 45 is adjusted to adapt the pressure plate 43 to different heights, and at the same time, the pressure plate is adjusted.
  • a groove 431 of 43 is passed over the free end of the adjusting screw 42, so that the second end of the pressing plate 43 is placed on a workpiece to be clamped such as a standard section or a working die, and then the pressing nut 44 is attached to the free end of the adjusting screw 42.
  • the positioning stopper is protrudedly disposed on one end surface of the substrate 71, and the end clamping device 5 presses the positioning stopper to the standard section 6 Therefore, the positioning of the standard section 6 and the machining template 7 in the axial direction of the standard section 6 can be achieved by the first positioning portion 72, that is, the processed end face of the standard section (especially the main chord) can be utilized.
  • Positioning the machining template 7 for the reference has the characteristics of high positioning and high machining accuracy.
  • the chassis 1 is provided with a positioning pin 8 that can be inserted into the second positioning portion 76 (particularly the positioning groove), so that the processing template 7 can be fixed to the positioning pin 8 through the positioning groove thereon.
  • the processing template 7 is further provided with a weight reducing hole 78.
  • the invention can replace different types of processing templates to meet the specific requirements of different types of standard sections and their connection holes, and has the characteristics of simple operation, modular operation, and convenient detection, installation, disassembly and maintenance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

L'invention concerne un montage pour une section standard d'une grue à tour et un gabarit de traitement pour ce montage. Le gabarit de traitement comprend : une plaque de base (71) présentant un trou de référence (74) formé sur la plaque de base (71) pour traiter un trou de liaison, une première section de positionnement (72) et une seconde section de positionnement (76) étant aussi formées sur la plaque de base. Le montage, par le changement de gabarits de traitement de différents modèles, peut répondre à des exigences particulières de différents modèles de sections standards et de positions et dimensions des trous de liaison de ces sections. Le montage a pour caractéristiques d'être simple à utiliser et apte à un fonctionnement modularisé et il a aussi l'avantage d'être commode pour l'inspection, l'installation, le démontage et l'entretien.
PCT/CN2011/080757 2011-10-13 2011-10-13 Montage pour section standard d'une grue à tour et gabarit de travail pour ce montage WO2013053127A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/080757 WO2013053127A1 (fr) 2011-10-13 2011-10-13 Montage pour section standard d'une grue à tour et gabarit de travail pour ce montage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/080757 WO2013053127A1 (fr) 2011-10-13 2011-10-13 Montage pour section standard d'une grue à tour et gabarit de travail pour ce montage

Publications (1)

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WO2013053127A1 true WO2013053127A1 (fr) 2013-04-18

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WO (1) WO2013053127A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551639A (zh) * 2013-11-08 2014-02-05 株洲凯丰实业有限公司 一种全自动玛钢管件平头机及其加工方法
CN106112069A (zh) * 2016-08-30 2016-11-16 贵州枫阳液压有限责任公司 一种自动定位轴心线的工装
CN106625326A (zh) * 2016-11-24 2017-05-10 江苏省镇江船厂（集团）有限公司 船舶轴系定位工装
CN112372387A (zh) * 2020-10-31 2021-02-19 苏丽霞 一种压力传感器用限位固定结构的打磨装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228694A (en) * 1989-02-17 1990-09-05 Yamazaki Mazak Corp Workpiece clamp and support jig
EP0924032A2 (fr) * 1997-12-22 1999-06-23 United Technologies Corporation Dispositif de maintien pour la fabrication de composants de forme précise
CN2393673Y (zh) * 1999-09-09 2000-08-30 天津市华特包装机械有限责任公司第一分公司 系列通用机械法兰盘钻孔模板
CN1868668A (zh) * 2006-06-13 2006-11-29 中铁宝桥股份有限公司 钢索塔节段端面机加工找正及定位方法
KR20080095049A (ko) * 2007-04-23 2008-10-28 하나로테크 주식회사 크라울러 크레인용 아웃트리거의 박스 제조시 사용되는클램핑 장치 및 이 클램핑 장치를 이용한 크라울러크레인용 아웃트리거의 박스 제조방법
CN201320693Y (zh) * 2008-12-29 2009-10-07 济南一机床集团有限公司 一种加工中心夹具
CN201736021U (zh) * 2010-06-01 2011-02-09 重庆盈丰升机械设备有限公司 一种施工升降机标准节加工专用机床
CN102350517A (zh) * 2011-10-13 2012-02-15 中联重科股份有限公司 塔式起重机的标准节的夹具及其加工模板

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2228694A (en) * 1989-02-17 1990-09-05 Yamazaki Mazak Corp Workpiece clamp and support jig
EP0924032A2 (fr) * 1997-12-22 1999-06-23 United Technologies Corporation Dispositif de maintien pour la fabrication de composants de forme précise
CN2393673Y (zh) * 1999-09-09 2000-08-30 天津市华特包装机械有限责任公司第一分公司 系列通用机械法兰盘钻孔模板
CN1868668A (zh) * 2006-06-13 2006-11-29 中铁宝桥股份有限公司 钢索塔节段端面机加工找正及定位方法
KR20080095049A (ko) * 2007-04-23 2008-10-28 하나로테크 주식회사 크라울러 크레인용 아웃트리거의 박스 제조시 사용되는클램핑 장치 및 이 클램핑 장치를 이용한 크라울러크레인용 아웃트리거의 박스 제조방법
CN201320693Y (zh) * 2008-12-29 2009-10-07 济南一机床集团有限公司 一种加工中心夹具
CN201736021U (zh) * 2010-06-01 2011-02-09 重庆盈丰升机械设备有限公司 一种施工升降机标准节加工专用机床
CN102350517A (zh) * 2011-10-13 2012-02-15 中联重科股份有限公司 塔式起重机的标准节的夹具及其加工模板

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551639A (zh) * 2013-11-08 2014-02-05 株洲凯丰实业有限公司 一种全自动玛钢管件平头机及其加工方法
CN106112069A (zh) * 2016-08-30 2016-11-16 贵州枫阳液压有限责任公司 一种自动定位轴心线的工装
CN106625326A (zh) * 2016-11-24 2017-05-10 江苏省镇江船厂（集团）有限公司 船舶轴系定位工装
CN112372387A (zh) * 2020-10-31 2021-02-19 苏丽霞 一种压力传感器用限位固定结构的打磨装置

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