CN101249927A - Mounting and dismounting method for gantry crane - Google Patents
Mounting and dismounting method for gantry crane Download PDFInfo
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- CN101249927A CN101249927A CNA2007100550707A CN200710055070A CN101249927A CN 101249927 A CN101249927 A CN 101249927A CN A2007100550707 A CNA2007100550707 A CN A2007100550707A CN 200710055070 A CN200710055070 A CN 200710055070A CN 101249927 A CN101249927 A CN 101249927A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses a method for mounting and dismounting a gantry crane. Before mounting, a main girder and supporting legs are spliced to be an integration on the ground, wherein a supporting leg is connected to anther supporting leg via hinge, a lifting apparatus is arranged on the main girder, the main girder is suspended under two rotating hinges of the two supporting legs, as the supporting legs are gathered, the rotating hinges drives the main girder to lift upwards until reaching a design position, finally connecting rod elements of the supporting legs can be mounted, thereby achieving self-mounting of the portal crane, as the connecting rod elements of the supporting legs are removed, the supporting legs can be released, thereby achieving self-dismounting of the portal crane. The method has the advantages that 1, mounting and dismounting can be achieved on the ground without lifting work in high position, which is safe, convenient and time-saving, 2, less mechanical equipments are needed for mounting and dismounting the gantry crane, which is better in economy, 3, the method for mounting and dismounting the gantry crane has less requirements to the geographical location and the circumstance environment relatively, 4, the method for mounting and dismounting is convenient for inverted usage, which is beneficial to increasing the utilization rate of the gantry crane.
Description
Technical field
The present invention relates to a kind of mounting and dismounting method of hoisting crane, especially a kind of frequent mounting and dismounting method of the transfer crane of usefulness.
Background technology
Transfer crane (being called for short the door machine) is widely used in fields such as building industry, shipbuilding industry.Usually mainly form by supporting leg, girder, traveling cart, lifting overhead traveling crane etc.Because the transfer crane structure is huge, during manufacturing often with its each several part member such as supporting leg, girder etc. in factory's segmental machining, assemble at the scene of transporting to then.Assembling is a crucial link in the manufacturing process.Along with the maximize trend of (lift heavy is big, it is tall and big to hang, span is big) of hoisting crane, the hoisting height during assembling, lifting tonnage are also increasing.The assemble method that transfer crane is commonly used has following several at present:
(1) utilizes automobile loop wheel machine or other lifting equipment integral hoisting.Earlier the supporting leg of door machine both sides is erect respectively, girder is whole at ground spliced one-tenth; Utilize other weight-lifting equipment with the girder integral hoisting again, be connected with supporting leg.This assemble method is applicable to highly lower, the door machine that the girder deadweight is less.
(2) utilize the whole lifting of lifting pylon.On the ground girder, supporting leg are spliced into integral body, girder and supporting leg are hinged; Set up two " door " fonts to promote pylons at two inboard legs, promote in the process of girder in integral body, supporting leg puts in place along with the lifting of girder promotes together.The door machine that this assemble method is applicable to is highly higher, the girder deadweight is bigger also often adopts this method under the situation that does not possess rubber tired crane operation place, this assemble method input is bigger, and door machine built-up time is long.
(3) utilize supporting leg to promote girder.Elder generation is upright respectively good and fixing with door machine two supporting legs, pushes up the installation lengthening section and install at supporting leg to promote structure; Girder utilizes the lifting structural entity on supporting leg top to promote girder to design attitude after floor mounted becomes integral body, and supporting leg and girder connecting section are installed.This assemble method requires door machine supporting leg should possess enough rigidity and stability, and operating risk is bigger.
Summary of the invention
To be solved by this invention is the technical matters that transfer crane can not be carried out installation and removal on the ground, provides a kind of transfer crane new mounting and dismounting method.
For achieving the above object, the present invention adopts following technical scheme: a kind of mounting and dismounting method of transfer crane, on the ground girder, supporting leg are spliced into integral body before the installation, supporting leg and supporting leg are hinged, and jack up unit is installed on girder, and described girder is suspended to two supporting leg rotating hinge belows, by drawing supporting leg in, rotating hinge drives girder and upwards is promoted to design attitude, supporting leg is installed is at last connected rod member, realizes that the oneself of transfer crane installs; Remove supporting leg and connect rod member, loosen oneself's dismounting that supporting leg is realized transfer crane.
Described girder be spelling on ground or the falsework become whole and with girder under supporting leg distribution beam spelling together; described supporting leg is made up of two identical independent battered legs; the part that curves inwardly is established at each independent battered leg top; the supporting leg that spelling is become is " A " font structure of bent leg; the shared connection bearing pin in supporting leg top connects, and connects that bearing pin draws in as supporting leg or the rotating hinge when loosening.
The traveling cart is housed under the described supporting leg, and the traveling cart is positioned on the track, in every side leg bottom tightening device is housed, and starts tightening device during installation, and two independent battered leg lower ends forming supporting leg move inward, and draw supporting leg gradually in to design attitude; Girder promotes the locked tightening device in back that puts in place, and with traveling cart and track working fastening, the connection rod member between two independent battered legs is installed, and the supporting leg distribution beam and the supporting leg of girder bottom welded; Remove tightening device, finish the conversion of stress system, the installation of door machine; The dismounting of door machine is according to the said procedure reverse operating.
Described tightening device is to be positioned at hydraulic continuous stretch-draw jack and the strand that install near traveling cart position every side leg bottom, starts the stretch-draw jack during installation, and two independent battered legs forming supporting leg move inward, and draw supporting leg gradually in to design attitude; After girder promotes and puts in place, locked stretch-draw jack, and with traveling cart and ground working fastening, supporting leg is installed is connected rod member, with the supporting leg distribution beam and the supporting leg welding of girder bottom; Remove stretch-draw jack and steel strand, finish the conversion of stress system, the installation of door machine; The dismounting of door machine is according to the said procedure reverse operating.
Be provided with permanent seat under the girder on the ground, between permanent seat and the supporting leg lower end stretch-draw jack and steel strand be installed, start the stretch-draw jack during installation, can guarantee that supporting leg inwardly evenly moves.
Described jack up unit is lifting overhead traveling crane and/or electric block.
The invention has the advantages that: 1, the present invention can finish assembly and disassembly on the ground, need not high-order lifting operation, and both safety made things convenient for again, saves time;
2, door of the present invention unit installation and dismantling discharging method, required input to be used for a machine Assembly ﹠Disassembly mechanical equipment few, economy is better;
3, door machine Assembly ﹠Disassembly method provided by the present invention is relative less to the requirement of geographic position and ambient environment.
4, door unit installation and dismantling discharging method of the present invention is convenient to the usefulness of falling of a machine, helps improving the degree of utilization of a machine.
Description of drawings
Fig. 1 is certain transfer crane according to the assemble method of the present invention elevational schematic view in assembly unit stage on the ground;
Fig. 2 is a transfer crane shown in Figure 1 scheme drawing when according to assemble method of the present invention girder being promoted to design attitude;
Fig. 3 is that transfer crane shown in Figure 1 carries out according to assemble method of the present invention that supporting leg improves and the scheme drawing of girder and supporting leg access phase;
Fig. 4 is that transfer crane shown in Figure 1 is finished stack-mounted facade structures scheme drawing according to assemble method of the present invention;
Fig. 5 is the left view of Fig. 4.
The specific embodiment
As shown in Figure 1, 2, spelling girder 101 on support 6 arrives the supporting leg distribution beam 102 under the girder simultaneously with girder 101 spellings earlier.On the ground each supporting leg 2 spelling is become two identical purlin sheets, each purlin sheet is made up of main supporting leg 201, auxilliary supporting leg 202, main supporting leg sweep 203, auxilliary supporting leg sweep 204, the shared connection bearing pin 217 of two purlin sheets of each supporting leg, the lower end and the traveling cart 3 of each purlin sheet of supporting leg are hinged, traveling cart 3 and ground rail working fastening.The girder that spelling is good is suspended to supporting leg by connection boatswain chair 103 and 104 and is connected bearing pin 217 belows.The height that is used for the support 6 of spelling girder 1 should be looked concrete door machine situation and adjust, and can adopt different materials and version, but will make supporting leg 2 and ground that certain included angle is arranged, and guarantees that supporting leg 2 draws in to promote smoothly.Traveling cart 3 is equipped with in supporting leg 2 bottoms, near traveling cart 3 positions hydraulic continuous stretch-draw jack 501 and strand 502 is installed in every side leg bottom.Simultaneously be provided with permanent seat 503 under the girder on the ground, strand between permanent seat 503 and the traveling cart 3 is provided with setting device 504, can adjust the relative position of 3 in permanent seat 503 and traveling cart at any time, prevent that 3 travelings of two side leg traveling carts are asynchronous and girder 101 is turned round.After girder 101, supporting leg 2 assembly units are finished, start stretch-draw jack 501, two purlin sheets forming supporting leg 2 move inward along big Car Track out of shape, draw design attitude as shown in Figure 2 gradually in.Control hoisting speed by the tensioning speed of regulating jack 501 in the lifting process, guarantee steadily carrying out smoothly of whole lifting process.After girder 101 promotes and puts in place, locked stretch-draw jack 501, and with traveling cart 3 and ground rail working fastening, the supporting leg bottom is installed shown in Fig. 3,5 connects rod member 211, the bracing rod member 205～210,212～216 between supporting leg is installed.As shown in Figure 1, 2,, remove stretch-draw jack 501 and steel strand 502, finish the conversion of stress system, the installation of door machine the supporting leg distribution beam under the girder 102 and main supporting leg 201 and 202 welding of auxilliary supporting leg.When girder 1 assembly unit, to load onto lifting overhead traveling crane 4 and electric block 4 '; According to door machine purposes, also can only adorn lifting overhead traveling crane 4 or electric block 4 '.
Door machine assembling method of the present invention not only is confined to the above-mentioned specific embodiment, when supporting leg 2 draws in, except that adopt said method with two independent battered leg symmetries to draw in the centre, can also adopt following method: the independent battered leg of each supporting leg 2 the same side is fixed, opposite side can be free to slide on the big Car Track of traveling, continuously tensioning jack 501 and steel strand 502 are installed in position in free battered leg bottom near the traveling cart, steel strand 502 are fixed in fixedly on the battered leg, start stretch-draw jack 501 during installation, free battered leg is along traveling cart slide, draw close to fixing battered leg gradually, girder 101 upwards promotes thereupon, is promoted to design attitude until girder 101, locked stretch-draw jack 501, and, carry out an installation of other parts of machine more according to the method described above with traveling cart 3 and ground working fastening, finish a machine assembling.
The tightening device that described realization supporting leg draws in except that adopting the described stretch-draw jack of said method to cooperate the steel strand mode, can also adopt winch to cooperate the steel rope mode.
Described door machine leg structure form is except that the truss structure shown in the figure, can also be the real abdomen formula structure of welding box-shaped or other version, described main beam structure form is removed the truss structure shown in the figure, can also be the structure of wrought iron case beam or other form.
The dismounting of door machine is according to the said procedure reverse operating.Install hydraulic continuous stretch-draw jack 501 and to drawing strand 502, remove bracing rod member 205～210,212～216 and be connected rod member 211 with the supporting leg bottom, loosen strand 502 then, supporting leg 2 opens to both sides under the deadweight effect, both sides supporting leg 2 was fallen, make girder 1 fall the bottom surface, again girder 1 and supporting leg 2 are decomposed.Finish dismounting, can fall with this machine on carry over ground.
Claims (6)
1, a kind of mounting and dismounting method of transfer crane, on the ground girder, supporting leg are spliced into integral body before the installation, supporting leg and supporting leg are hinged, jack up unit is installed on girder, it is characterized in that: described girder is suspended to two supporting leg rotating hinge belows, and by drawing supporting leg in, rotating hinge drives girder and upwards is promoted to design attitude, supporting leg is installed is at last connected rod member, realize that the oneself of transfer crane installs; Remove supporting leg and connect rod member, loosen oneself's dismounting that supporting leg is realized transfer crane.
2, the mounting and dismounting method of a kind of transfer crane as claimed in claim 1; it is characterized in that: described girder be spelling on ground or the falsework become whole and with girder under supporting leg distribution beam spelling together; described supporting leg is made up of two identical independent battered legs; the part that curves inwardly is established at each independent battered leg top; the supporting leg that spelling is become is " A " font structure of bent leg; the shared connection bearing pin in supporting leg top connects, and connects that bearing pin draws in as supporting leg or the rotating hinge when loosening.
3, the mounting and dismounting method of a kind of transfer crane as claimed in claim 2, it is characterized in that: the traveling cart is housed under the described supporting leg, the traveling cart is positioned on the track, in every side leg bottom tightening device is housed, start tightening device during installation, two independent battered leg lower ends forming supporting leg move inward, and draw supporting leg gradually in to design attitude; Girder promotes the locked tightening device in back that puts in place, and with traveling cart and track working fastening, the connection rod member between two independent battered legs is installed, and the supporting leg distribution beam and the supporting leg of girder bottom welded; Remove tightening device, finish the conversion of stress system, the installation of door machine; The dismounting of door machine is according to the said procedure reverse operating.
4, the mounting and dismounting method of a kind of transfer crane as claimed in claim 3, it is characterized in that: described tightening device is to be positioned at hydraulic continuous stretch-draw jack and the strand that install near traveling cart position every side leg bottom, start the stretch-draw jack during installation, two independent battered legs forming supporting leg move inward, and draw supporting leg gradually in to design attitude; After girder promotes and puts in place, locked stretch-draw jack, and with traveling cart and ground working fastening, supporting leg is installed is connected rod member, with the supporting leg distribution beam and the supporting leg welding of girder bottom; Remove stretch-draw jack and steel strand, finish the conversion of stress system, the installation of door machine; The dismounting of door machine is according to the said procedure reverse operating.
5, the mounting and dismounting method of a kind of transfer crane as claimed in claim 4, it is characterized in that: be provided with permanent seat under the girder on the ground, between permanent seat and the supporting leg lower end stretch-draw jack and steel strand are installed, start the stretch-draw jack during installation, can guarantee that supporting leg inwardly evenly moves.
6, as the mounting and dismounting method of the arbitrary described a kind of transfer crane of claim 1 to 5, it is characterized in that: described jack up unit is lifting overhead traveling crane and/or electric block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100550707A CN101249927A (en) | 2007-08-30 | 2007-08-30 | Mounting and dismounting method for gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100550707A CN101249927A (en) | 2007-08-30 | 2007-08-30 | Mounting and dismounting method for gantry crane |
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| CN101249927A true CN101249927A (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100550707A Pending CN101249927A (en) | 2007-08-30 | 2007-08-30 | Mounting and dismounting method for gantry crane |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121625A (en) * | 2011-11-21 | 2013-05-29 | 攀钢集团攀枝花钢钒有限公司 | Method for high altitude disassembly of large-scale part |
| CN103264783A (en) * | 2013-05-30 | 2013-08-28 | 中石化第四建设有限公司 | Method for loading ultrahigh large-scale equipment of extreme low-position transport |
| CN103508324A (en) * | 2013-03-12 | 2014-01-15 | 中国有色金属工业第六冶金建设有限公司 | Method for hoisting main large components of KP125MN hot die forging press |
| CN104759863A (en) * | 2015-04-16 | 2015-07-08 | 上海振华重工集团（南通）有限公司 | Fixed crane on-site general assembly technology |
| CN107138947A (en) * | 2017-07-03 | 2017-09-08 | 上海宝冶工程技术有限公司 | A kind of assemble method of Bridge Erector |
| CN108706471A (en) * | 2018-08-02 | 2018-10-26 | 广州文冲船厂有限责任公司 | A kind of large-sized gantry hangs the method for dismounting of rigid leg |
| CN109205475A (en) * | 2018-09-28 | 2019-01-15 | 中国葛洲坝集团第工程有限公司 | Truss connection beam type door machine assembling and disassembling device and method in tunnel |
| CN110316662A (en) * | 2019-05-06 | 2019-10-11 | 粤水电轨道交通建设有限公司 | A kind of large span gantry crane construction method of installation |
| CN112591620A (en) * | 2020-12-31 | 2021-04-02 | 中国葛洲坝集团市政工程有限公司 | Pressing beam type installation method of shield construction gantry crane |
| CN114890321A (en) * | 2022-05-24 | 2022-08-12 | 厦门市特种设备检验检测院 | An easy-to-install hoisting machine and its installation method |
-
2007
- 2007-08-30 CN CNA2007100550707A patent/CN101249927A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121625A (en) * | 2011-11-21 | 2013-05-29 | 攀钢集团攀枝花钢钒有限公司 | Method for high altitude disassembly of large-scale part |
| CN103121625B (en) * | 2011-11-21 | 2015-02-04 | 攀钢集团攀枝花钢钒有限公司 | Method for high altitude disassembly of large-scale part |
| CN103508324A (en) * | 2013-03-12 | 2014-01-15 | 中国有色金属工业第六冶金建设有限公司 | Method for hoisting main large components of KP125MN hot die forging press |
| CN103508324B (en) * | 2013-03-12 | 2015-07-01 | 中国有色金属工业第六冶金建设有限公司 | Method for hoisting main large components of KP125MN hot die forging press |
| CN103264783A (en) * | 2013-05-30 | 2013-08-28 | 中石化第四建设有限公司 | Method for loading ultrahigh large-scale equipment of extreme low-position transport |
| CN103264783B (en) * | 2013-05-30 | 2014-10-29 | 中石化第四建设有限公司 | Method for loading ultrahigh large-scale equipment of extreme low-position transport |
| CN104759863A (en) * | 2015-04-16 | 2015-07-08 | 上海振华重工集团（南通）有限公司 | Fixed crane on-site general assembly technology |
| CN104759863B (en) * | 2015-04-16 | 2017-02-22 | 南通振华重型装备制造有限公司 | Fixed crane on-site general assembly technology |
| CN107138947A (en) * | 2017-07-03 | 2017-09-08 | 上海宝冶工程技术有限公司 | A kind of assemble method of Bridge Erector |
| CN108706471A (en) * | 2018-08-02 | 2018-10-26 | 广州文冲船厂有限责任公司 | A kind of large-sized gantry hangs the method for dismounting of rigid leg |
| CN109205475A (en) * | 2018-09-28 | 2019-01-15 | 中国葛洲坝集团第工程有限公司 | Truss connection beam type door machine assembling and disassembling device and method in tunnel |
| CN110316662A (en) * | 2019-05-06 | 2019-10-11 | 粤水电轨道交通建设有限公司 | A kind of large span gantry crane construction method of installation |
| CN110316662B (en) * | 2019-05-06 | 2021-04-13 | 粤水电轨道交通建设有限公司 | Installation and construction method of large-span portal crane |
| CN112591620A (en) * | 2020-12-31 | 2021-04-02 | 中国葛洲坝集团市政工程有限公司 | Pressing beam type installation method of shield construction gantry crane |
| CN112591620B (en) * | 2020-12-31 | 2023-02-03 | 中国葛洲坝集团市政工程有限公司 | Pressing beam type installation method of shield construction gantry crane |
| CN114890321A (en) * | 2022-05-24 | 2022-08-12 | 厦门市特种设备检验检测院 | An easy-to-install hoisting machine and its installation method |
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Open date: 20080827 |