CN106144907B - A kind of track crane total coating process - Google Patents

A kind of track crane total coating process Download PDF

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Publication number
CN106144907B
CN106144907B CN201610440668.7A CN201610440668A CN106144907B CN 106144907 B CN106144907 B CN 106144907B CN 201610440668 A CN201610440668 A CN 201610440668A CN 106144907 B CN106144907 B CN 106144907B
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China
Prior art keywords
door frame
flange
doorframe
bolt
girder
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CN201610440668.7A
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Chinese (zh)
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CN106144907A (en
Inventor
黄叶锋
凌卫军
范正林
朱娟
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Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
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Nantong Zhenhua Heavy Equipment Manufacturing Co Ltd
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Priority to CN201610440668.7A priority Critical patent/CN106144907B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C5/00—Base supporting structures with legs
    • B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes
    • B66C7/08—Constructional features of runway rails or rail mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/08—Runners; Runner bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Wing Frames And Configurations (AREA)
  • Door And Window Frames Mounted To Openings (AREA)

Abstract

The present invention relates to a kind of track crane total coating process, it is mainly comprised the following steps：Arrange cart row's dress track；Row's dress monolithic doorframe；Total track arrangement；General assembly ladder landing platform side door frame and cart, lift reel side door frame and cart；Girder doorframe and flange welding；Lift girder doorframe and release stress；Electrical house, the lifting of high pressure room, lifting trolley assembly；Remainder installation and debugging.The advantage of the invention is that：True form of flanges track crane crossbeam flange welding flow is combed, optimized；2 flanges are previously welded on U-shaped door frame after being screwed together by bolt, postwelding removes flange bolt, monolithic flange is directly welded after removing by a kind of welding tooling platform with crossbeam, realize crossbeam flange welding operation whole low latitude, after follow-up U-shaped door frame is holded up, general assembly can be completed by bolt is formed directly between crossbeam and U-shaped door frame tightening, without being welded again.

Description

A kind of track crane total coating process
Technical field
The present invention relates to a kind of track crane general assembly field, more particularly to a kind of track crane total coating process.
Background technology
It is 2 that true track flange, which hangs supporting leg with flange at girder link position, and according to traditional general assembly scheme, 2 flanges lead to Cross after bolt is screwed together and be previously welded on U-shaped door frame, after U-shaped door frame is holded up, crossbeam doorframe is completed with flange assembly again Overhead welding operation.This operating type operating efficiency is relatively low and high-altitude safe hidden danger be present.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of track crane total coating process by overhead welding low latitude.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of track crane total coating process, its innovative point It is：It is as follows that it lifts step：
(1) row's dress monolithic doorframe：
A. place cleaning and 2 groups of raceway beams are arranged, in raceway beam tread and bottom surface be both needed to machining with ensure levelness and Linearity, during machining on the basis of tread minimum point point processing plane；Raceway beam and ground clearance are padded using clout plate, And raceway beam is firmly secured on ground by built-in fitting or swell fixture；
B. row installs 2 groups of cart walking mechanisms respectively in 2 groups of raceway beams, and is consolidated walking mechanism using cart support frame Set, to prevent from toppling over；Cart connecting bracket and bottom cart walking mechanism are installed in place using bearing pin, and are adjusted, Ensure large vehicle walking bearing pin center in same level, while ensure cart connecting bracket and bottom cart walking mechanism center line Coincidence；Using door machine lifting ladder landing platform side it is U-shaped/cable drum side door frame to large vehicle walking connecting bracket on, connecting bracket Process hole is pre-machined at diagonal position, large vehicle walking and U-shaped door are confined by position by process hole on alignment pin and connecting bracket It is good, recycle service bolt to twist torque eventually with 80% and connect both；
(2) general assembly track is arranged：Again place cleaning, and two row's raceway beams are laid, machining ensures levelness and straight line Degree；
(3) doorframe and cart are lifted：
A. using door machine integral hoisting ladder landing platform side U-shaped door frame to general assembly orbital position, good unrestrained air hardening steel cord rear is drawn Suspension hook can be unclamped；Doorframe perpendicularity is adjusted with unrestrained air hardening steel cord, using jack and coordinates laser adjustment sill horizontal, and protect Two walking bearing bearing pins are demonstrate,proved in same level, are padded with backing plate；Running wheel is positioned with car stop, anti-sliding stop；
B. using door machine integral hoisting cable drum side U-shaped door frame to general assembly orbital position, good unrestrained air hardening steel cord rear is drawn Suspension hook can be unclamped；U-shaped door frame perpendicularity is adjusted with unrestrained air hardening steel cord, using jack and coordinates laser adjustment sill horizontal, And ensure that two walking bearing bearing pins in same level, are padded with backing plate；4 groups of all wheels of cart are all fixedly secured On track girder, and car stop is installed；
(4) girder doorframe and flange welding：Line arrangement is assembled and cast iron platform, assembled moulding bed and cast iron platform are both needed to swash Light is smoothed；Door frame flange is positioned on cast iron platform, by the pad shim liner on cast iron platform, ensures door frame flange check point Lift is tilted on the inside of to girder span and raises 4mm away from inner side inclination, it is using pressing device that door frame flange component compression is firm：Will be main Beam flanged plate is positioned on door frame flange component by the assembled requirement of girder doorframe, is connected using service bolt, and bolt need to be by stubborn eventually Torque 80% is tightened, and contact surface is bonded between ensureing door frame flange；By the lifting of girder doorframe in place, integral level and doorframe are adjusted After flange make-up machine gusset plate is to muscle, spot welding assembly flange plate；Girder doorframe is transported to general assembly place, into treating general assembly shape State；
(5) girder doorframe is lifted：Using on door machine lifting girder doorframe to U-shaped door frame；After the lifting in place of girder doorframe, Diagonal bolt hole position insertion process draws pin on adpting flange, ensures that four flanges align with supporting leg flange on girder doorframe, note It is intended to squeeze into when drawing pin, bolt bore deformation must not occurs, and product bolt is penetrated after the completion of positioning；
(6) remaining part lifts：High pressure room, electrical house, trolley component are lifted, cable drum is installed and debugged.
Further, step (4) the medium cast iron platform is four welding set in square vertex parallel and symmetrical Platform, the jig upper surface set T-shaped groove that is some parallel and being placed for bolt along long axis direction, bolted on bolt One fixed plate；The door frame flange includes some of welded plate, some guidance sets for being arranged on welded plate top and bottom Parallel supporting plate；There is a square through hole in the middle part of the welded plate, square through hole surrounding is uniformly distributed some for bolt insertion Tapped through hole；Some guidance sets, which utilize, is bolted to welded plate upper surface surrounding, the guiding group close to center side One groove coordinated for girder flange nested type is arranged at part bottom；The supporting plate is vertically welded in welded plate bottom, supported on both sides Respectively weld a level board in plate bottom.
Further, after the step (5), fixing tool at tank chain jacking tool cart wheel is released, by complete machine top From orbital plane about 30mm and pad；Complete machine is no less than 24h using tank chain stress release frock release stress, time.
The advantage of the invention is that：1st, true form of flanges track crane crossbeam flange welding flow is combed, optimized；2 Piece flange is previously welded to after being screwed together by bolt on U-shaped door frame, and postwelding removes flange bolt, after monolithic flange is removed Directly welded by a kind of welding tooling platform with crossbeam, realize crossbeam flange welding operation whole low latitude, follow-up U-shaped door frame After holding up, general assembly can be completed by bolt is formed directly between crossbeam and U-shaped door frame tightening, without being welded again.2nd, it is cooperation Crossbeam flange welding method Optimal improvements, design add a kind of crossbeam jig, and Process is set on jig top Blue component.The conveniently adjusted crossbeam flange position of this jig and gradient, and monolithic crossbeam flange and big Liangmen can be ensured Do not deformed in the welding process of frame low latitude.
Brief description of the drawings
Fig. 1 is a kind of track crane front view of track crane total coating process of the present invention.
Fig. 2 is a kind of track crane side view of track crane total coating process of the present invention.
Fig. 3 is a kind of cast iron platform schematic diagram of track crane total coating process of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, track crane is a door type structure, including is symmetricly set on the doorframe of both sides and is horizontally set with two Girder doorframe 9 on doorframe, doorframe are divided into ladder landing platform side door frame 10 and reel side door frame 7, and two doorframes are all U-shaped, and mutually Parallel setting；The middle part of girder doorframe 9 is provided with trolley component 8.
The lifting step of the track crane is as follows：
(1) row's dress monolithic doorframe：
A. place cleaning and 2 groups of raceway beams are arranged, in raceway beam tread and bottom surface be both needed to machining with ensure levelness and Linearity, during machining on the basis of tread minimum point point processing plane；Raceway beam and ground clearance are padded using clout plate, And raceway beam is firmly secured on ground by built-in fitting or swell fixture；
B. row installs 2 groups of cart walking mechanisms respectively in 2 groups of raceway beams, and is consolidated walking mechanism using cart support frame Set, to prevent from toppling over；Cart connecting bracket and bottom cart walking mechanism are installed in place using bearing pin, and are adjusted, Ensure large vehicle walking bearing pin center in same level, while ensure cart connecting bracket and bottom cart walking mechanism center line Coincidence；Using door machine lifting ladder landing platform side it is U-shaped/cable drum side door frame to large vehicle walking connecting bracket on, connecting bracket Process hole is pre-machined at diagonal position, large vehicle walking and U-shaped door are confined by position by process hole on alignment pin and connecting bracket It is good, recycle service bolt to twist torque eventually with 80% and connect both；
(2) general assembly track is arranged：Again place cleaning, and two row's raceway beams are laid, machining ensures levelness and straight line Degree；
(3) doorframe and cart are lifted：
A. can after getting well unrestrained air hardening steel cord using door machine integral hoisting ladder landing platform side door frame 10 to general assembly orbital position, drawing Unclamp suspension hook；Doorframe perpendicularity is adjusted with unrestrained air hardening steel cord, using jack and coordinates laser adjustment sill horizontal, and ensure Two walking bearing bearing pins are padded in same level with backing plate；Running wheel is positioned with car stop, anti-sliding stop；
B. can after getting well unrestrained air hardening steel cord using door machine integral hoisting cable drum side door frame 7 to general assembly orbital position, drawing Unclamp suspension hook；U-shaped door frame perpendicularity is adjusted with unrestrained air hardening steel cord, using jack and coordinates laser adjustment sill horizontal, and Ensure that two walking bearing bearing pins in same level, are padded with backing plate；4 groups of all wheels of cart are all fixedly secured On track girder, and car stop is installed；
(4) girder doorframe 9 and flange welding：Line arrangement is assembled and cast iron platform, assembled moulding bed and cast iron platform are both needed to Laser levelling；Door frame flange is positioned on cast iron platform, by the pad shim liner on cast iron platform, ensures that door frame flange is examined Point raises 4mm to tilting lift on the inside of girder span and tilted away from inner side, and it is firm to be compressed door frame flange component using pressing device；Casting Iron platform is four jigs 1 set in square vertex parallel and symmetrical, and the upper surface of jig 1 is set along long axis direction T-shaped groove 2 that is some parallel and being placed for bolt is put, a fixed plate is bolted on bolt；As shown in figure 3, door frame flange includes Welded plate 3, some guidance sets for being arranged on the top of welded plate 3 and some parallel supporting plates 4 of bottom；The middle part of welded plate 3 There is a square through hole 5, the surrounding of square through hole 5 is uniformly distributed some tapped through holes 6 for bolt insertion；Some guidance sets utilize The upper surface surrounding of welded plate 3 is bolted to, has one to match somebody with somebody for girder flange nested type close to the guidance set bottom of center side The groove of conjunction；Supporting plate 4 is vertically welded in the bottom of welded plate 3, and a level board is respectively welded in the bottom of supported on both sides plate 4；By girder method Blue plate is positioned on door frame flange component by the assembled requirement of girder doorframe, is connected using service bolt, and bolt need to be by stubborn torque eventually 80% is tightened, and contact surface is bonded between ensureing door frame flange；By the lifting of girder doorframe in place, integral level and door frame flange are adjusted After make-up machine gusset plate is to muscle, spot welding assembly flange plate；Girder doorframe is transported to general assembly place, into treating general assembly state；
(5) girder doorframe 9 is lifted：Using on door machine lifting girder doorframe 9 to U-shaped door frame；Girder doorframe 9 lifts in place Afterwards, diagonal bolt hole position insertion process draws pin on adpting flange, ensures four flanges and supporting leg flange pair on girder doorframe 9 Position, pay attention to squeeze into draw pin when, bolt bore deformation must not occur, and product bolt is penetrated after the completion of positioning；Release tank chain top Fixing tool at frock cart wheel is risen, complete machine is lifted off orbital plane about 30mm and padded；Complete machine utilizes tank chain stress release Frock discharges stress, and the time is no less than 24h.
(6) remaining part lifts：High pressure room, electrical house, trolley component 8 are lifted, cable drum is installed and debugged.
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification, Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall Enter in scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.

Claims (3)

  1. A kind of 1. track crane total coating process, it is characterised in that：It is as follows that it lifts step：
    （1）Row's dress monolithic doorframe：
    A, place cleaning and 2 groups of raceway beams are arranged, tread and bottom surface are both needed to machining to ensure levelness and straight line in raceway beam Degree, during machining on the basis of tread minimum point point processing plane；Raceway beam and ground clearance are padded using clout plate, and led to Cross built-in fitting or raceway beam is firmly secured on ground by swell fixture；
    B, row installs 2 groups of cart walking mechanisms respectively in 2 groups of raceway beams, and is fixed walking mechanism using cart support frame It is good, to prevent from toppling over；Large vehicle walking connecting bracket and bottom cart walking mechanism are installed in place using bearing pin, and adjusted It is whole, ensure large vehicle walking bearing pin center in same level, while ensure large vehicle walking connecting bracket and bottom large vehicle walking machine The coincidence of structure center line；Ladder landing platform side U-shaped door frame is lifted using door machine, and branch is connected with cable drum side door frame to large vehicle walking On frame, process hole is pre-machined at connecting bracket diagonal position, by process hole on alignment pin and connecting bracket by large vehicle walking Connecting bracket and U-shaped door frame are had good positioning, and are recycled service bolt to twist torque eventually with 80% and are connected both；
    （2）General assembly track is arranged：Again place cleaning, and two row's raceway beams are laid, machining ensures levelness and linearity；
    （3）Lift doorframe and cart：
    A, using door machine integral hoisting ladder landing platform side U-shaped door frame to general assembly orbital position, drawing can pine after getting well unrestrained air hardening steel cord Hold funeral rites hook；Doorframe perpendicularity is adjusted with unrestrained air hardening steel cord, using jack and coordinates laser adjustment sill horizontal, and ensure two Walking bearing bearing pin is padded in same level with backing plate；Running wheel is positioned with car stop, anti-sliding stop；
    B, using door machine integral hoisting cable drum side U-shaped door frame to general assembly orbital position, drawing can pine after getting well unrestrained air hardening steel cord Hold funeral rites hook；U-shaped door frame perpendicularity is adjusted with unrestrained air hardening steel cord, using jack and coordinates laser adjustment sill horizontal, and protect Two walking bearing bearing pins are demonstrate,proved in same level, are padded with backing plate；4 groups of all wheels of cart are all fixedly secured in-orbit On road beam, and car stop is installed；
    （4）Girder doorframe and flange welding：Line arrangement is assembled and cast iron platform, assembled moulding bed and cast iron platform are both needed to laser school It is flat；Door frame flange is positioned on cast iron platform, by the pad shim liner on cast iron platform, ensures door frame flange check point to master Lift is tilted on the inside of beam span and raises 4mm away from inner side inclination, it is using pressing device that door frame flange component compression is firm：By girder method Blue plate is positioned on door frame flange component by the assembled requirement of girder doorframe, is connected using service bolt, and bolt need to be by stubborn torque eventually 80% is tightened, and contact surface is bonded between ensureing door frame flange；By the lifting of girder doorframe in place, adjustment integral level and door frame flange are pasted After conjunction machine gusset plate is to muscle, spot welding assembly flange plate；Girder doorframe is transported to general assembly place, into treating general assembly state；
    （5）Lift girder doorframe：Using on door machine lifting girder doorframe to U-shaped door frame；After the lifting in place of girder doorframe, connecting Diagonal bolt hole position insertion process draws pin on flange, ensures that four flanges align with supporting leg flange on girder doorframe, pay attention to Squeeze into when drawing pin, bolt bore deformation must not occur, and product bolt is penetrated after the completion of positioning；
    （6）Remaining part lifts：High pressure room, electrical house, trolley component are lifted, cable drum is installed and debugged.
  2. A kind of 2. track crane total coating process according to claim 1, it is characterised in that：The step（4）Medium cast iron platform For four square vertex parallel and symmetrical set jigs,
    The jig upper surface sets T-shaped groove that is some parallel and being placed for bolt along long axis direction, is bolted on bolt One fixed plate；The door frame flange includes some of welded plate, some guidance sets for being arranged on welded plate top and bottom Parallel supporting plate；There is a square through hole in the middle part of the welded plate, square through hole surrounding is uniformly distributed some for bolt insertion Tapped through hole；Some guidance sets, which utilize, is bolted to welded plate upper surface surrounding, the guiding group close to center side One groove coordinated for girder flange nested type is arranged at part bottom；The supporting plate is vertically welded in welded plate bottom, supported on both sides Respectively weld a level board in plate bottom.
  3. A kind of 3. track crane total coating process according to claim 1, it is characterised in that：The step（5）Afterwards, tank is released Fixing tool at chain jacking tool cart wheel, complete machine is lifted off orbital plane about 30mm and padded；Complete machine utilizes tank chain stress Frock release stress is discharged, the time is no less than 24h.
CN201610440668.7A 2016-06-20 2016-06-20 A kind of track crane total coating process Active CN106144907B (en)

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Publication number Priority date Publication date Assignee Title
CN106624631B (en) * 2016-12-06 2019-12-27 大连船舶重工集团装备制造有限公司 Method for controlling mounting precision of main beam track of gantry crane
CN107830247A (en) * 2017-07-21 2018-03-23 南通振华重型装备制造有限公司 A kind of pylon structure assembling process
CN108675126B (en) * 2018-03-30 2020-06-05 南通振华重型装备制造有限公司 Landing leg door frame assembling process of intelligent equipment of container yard
CN108622807A (en) * 2018-04-09 2018-10-09 南通振华重型装备制造有限公司 A kind of 40T door machines displacement technique
CN109987513A (en) * 2019-03-18 2019-07-09 浙江科鑫重工有限公司 A kind of gantry crane frame connecting structure
CN115196371B (en) * 2022-08-04 2024-01-30 上海振华重工(集团)股份有限公司 Transfer device and loading and unloading method for railway track type track crane complete machine
CN115636353A (en) * 2022-12-26 2023-01-24 中交第一航务工程局有限公司 Installation method for gantry crane erected on curved section foundation pit supporting structure

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AU3299699A (en) * 1998-02-17 1999-08-30 Mi-Jack Products Inc. Railwheel system for supporting loads on a road-traveling gantry crane
JP2011121667A (en) * 2009-12-09 2011-06-23 Mitsubishi Heavy Ind Ltd Method and device for constructing indoor crane
CN103171970B (en) * 2011-12-24 2015-09-09 苏州神峰起重机械有限公司 A kind of aloft work track mounting system and installation method thereof
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CN105239510A (en) * 2015-07-14 2016-01-13 中国中铁航空港建设集团有限公司 Dismounting beam support used for high pier small-radius curve cast-in-situ box beam and construction method
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