CN103979427A - Combined lifting appliance for lifting stator of large power generator - Google Patents

Combined lifting appliance for lifting stator of large power generator Download PDF

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Publication number
CN103979427A
CN103979427A CN201410220974.0A CN201410220974A CN103979427A CN 103979427 A CN103979427 A CN 103979427A CN 201410220974 A CN201410220974 A CN 201410220974A CN 103979427 A CN103979427 A CN 103979427A
Authority
CN
China
Prior art keywords
lifting
carrier bar
stator
combined
combined sling
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201410220974.0A
Other languages
Chinese (zh)
Inventor
吴廷森
于洪柱
刘维升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shangdong Electric Power Construction No3 Engineering Co
SEPCO3 Electric Power Construction Co Ltd
Original Assignee
Shangdong Electric Power Construction No3 Engineering Co
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 Shangdong Electric Power Construction No3 Engineering Co filed Critical Shangdong Electric Power Construction No3 Engineering Co
Priority to CN201410220974.0A priority Critical patent/CN103979427A/en
Publication of CN103979427A publication Critical patent/CN103979427A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a combined lifting appliance for lifting a stator of a large power generator. The combined lifting appliance for lifting the stator of the large power generator comprises a connecting part and a longitudinal lifting component, wherein the longitudinal lifting component is installed on a steam engine room crane beam by a main bearing beam and the connecting part; the combined lifting appliance also comprises a hoisting component; the hoisting component is connected with the longitudinal lifting component and a to-be-hoisted stator of the large power generator. The combined lifting appliance for lifting the stator of the large power generator, which is provided by the invention, has the beneficial effects that on the premise of no additional reinforcement of an original crane and an original track of a steam engine room, the lifting appliance is formed by adopting a field assembling mode, and the combined lifting appliance has the advantages of convenience in installation, safety and reliability and low cost; no welding and cutting measure is required for the crane in assembling the lifting appliance, and the completeness of the crane is ensured; the lifting appliance is not limited by the space, no reserved and slow assembling operation is required, and the combined lifting appliance is applicable to hoisting of 300MW-1000MW unit stators.

Description

A kind of Generator Stator lifting combined sling
Technical field
The present invention relates to a kind of removable erecting by overhang, especially relate to a kind of detachable combination suspender that is applicable to hoisting large-size generator unit stator.
Background technology
The heavy-duty hoisting such as large-size steam turbine, the turbine powered generator problem that Shi electricity Jian class enterprise expect to solve that puts in place.In prior art, take 1000MW unit as example, when lifting be all by the design reinforcement to 250 ton of driving a vehicle in advance after, adopt double-machine lifting crane stator in place, but the main building after the method middle rolling car reinforcing expense and wheel load are raised manufactures and designs somewhat expensive, and disposable characteristic causes fund waste serious.
Application number is 200820076594.4, name is called in the patent of invention of " electric generator stator combination sling " and discloses a kind of suspender, this suspender comprises driving, in up dolly and the Combined pulley group of walking of driving, dolly is four, assembly pulley is also four, between the assembly pulley of dolly and correspondence, be provided with hoist rope, between hanger in hanger in left front Combined pulley group and left back Combined pulley group, be provided with upper left strut, hanger in left front Combined pulley group is also fixed together with one end of left front short arm-tie, the other end of left front short arm-tie and one end of left back short arm-tie are fixed together, the other end of left back long arm-tie is fixedly connected on left U-shaped hanger, between the hanger of right front Combined pulley group and the hanger of right back Combined pulley group, be provided with upper right strut, hanger in right front Combined pulley group is also fixed together with one end of right front short arm-tie, the other end of right front short arm-tie and one end of right front long arm-tie are fixed together, the other end of right front long arm-tie is fixedly connected on right U-shaped hanger, hanger on right back Combined pulley is also fixed together with one end of right back short arm-tie, the other end of right back short arm-tie and one end of right back long arm-tie are fixed together, the other end of right back long arm-tie has been fixedly connected on U-shaped hanger, on the U-shaped hanger in a left side, be also provided with left hanger, on the U-shaped hanger in the right side, be also provided with right hanger.This suspender has considered that when design suspender is from problem great, that driving load is large, adopted pull bar and strut combination to replace H type hanging beam, make suspender more reasonable stress, suspender mates the mode for deformable combination with driving fixed pulley group, to adapt to the driving of different tonnages or producer.But this Hoisting Program need to be delayed dress part steel structure, construction labour intensity is large, long in time limit.
Summary of the invention
The object of the invention is to overcome the shortcoming existing in prior art, in the situation that driving a vehicle and track does not additionally reinforce, utilize the original driving of steam turbine building and hydraulic lifting apparatus to complete the lifting construction of large-size stator, , the technical scheme adopting is: a kind of Generator Stator lifting combined sling, it is characterized in that: described combined sling comprises link and vertical promotion parts, described vertical promotion parts are arranged on steam turbine building crane beam by main carrier bar and link, described combined sling also comprises and lifts parts, the described parts that lift connect described vertical promotion parts and large-size stator to be lifted.
Technical characterictic of the present invention also has: described combined sling also comprises supporting leg and the running gear that is positioned at described steam turbine building crane beam end.
Technical characterictic of the present invention also has: described link comprises main carrier bar and the secondary carrier bar being arranged in parallel, and described main carrier bar is vertical with steam turbine building crane beam with secondary carrier bar direction, between main carrier bar and secondary carrier bar, by suspension rod, links together; Described link also comprises main lifting beam, and described main lifting beam is parallel with steam turbine building crane beam and supported by secondary carrier bar.
Technical characterictic of the present invention also has: described vertical promotion parts comprise hydraulic jack, and described hydraulic jack is arranged in main lifting beam.
Technical characterictic of the present invention also has: described in lift parts and comprise steel wire rope lockset and steel strand, hydraulic jack is connected with the secondary lifting beam of bottom by steel strand, secondary lifting beam by bearing pin with lift beam and be connected, steel wire rope lockset hangs on and lifts on beam.
Technical characterictic of the present invention also has: described running gear comprises track and is arranged on the road wheel on described supporting leg.
Beneficial effect of the present invention is: under the prerequisite of additionally not reinforcing at the original driving of steam turbine building and track, adopt field-installed mode to form this suspender, have convenient, safe and reliable, with low cost advantage is installed; During assembling suspender, without driving is adopted to any welding measure, guaranteed the intact of driving; Suspender is not subject to the restriction in space in use, without doing any reserved slow dress work, and has multiple different composite condition, applicable to the lifting of 300MW-1000MW generator unit.
Accompanying drawing explanation
Accompanying drawing 1 is front view of the present invention, and accompanying drawing 2 is perspective view of the present invention, wherein, the 1st, main carrier bar, the 2nd, secondary carrier bar, the 3rd, steam turbine building crane beam, the 4th, main lifting beam, the 5th, hydraulic jack, the 6th, lift beam, the 7th, steel wire rope lockset, the 8th, Generator Stator, the 9th, suspension rod.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.The invention discloses a kind of large-size stator lifting combined sling, this combined sling comprises steam turbine building crane beam 3, link, vertical promotion parts, lifts parts, is connected with steam turbine building crane beam 3 ends and supporting leg (not shown) and the running gear (not shown) vertical with steam turbine building crane beam.
Link comprises main carrier bar 1, secondary carrier bar 2 and the main lifting beam 4 being arranged in parallel, and main carrier bar 1 is vertical with steam turbine building crane beam 3 with secondary carrier bar 2 installation directions, and suspension rod 9 is connected by bearing pin with main lifting beam 4.Main lifting beam 4 is parallel with steam turbine building crane beam 3 and supported by secondary carrier bar 2.
Lift parts and connect vertical promotion parts and large-size stator 8 to be lifted.Lift parts and comprise steel wire rope lockset 7 and lift support, the piston rod of hydraulic jack 5 is connected to the top that lifts support, and steel wire rope lockset 7 is connected to and lifts the lifting on beam 6 of support bottom.
Vertical promotion parts are connected with steam turbine building crane beam 3 by link, and vertical promotion parts comprise hydraulic jack 5, and hydraulic jack 5 is arranged in main lifting beam 4.Hydraulic jack 5 can be selected GYT hydraulic lifting apparatus.
Running gear comprises track and is arranged on the road wheel on described supporting leg.
During installation, by the end of the close steam turbine building opened of driving actuated small roadster; Totally 4 of main lifting beams 4 are set up scaffold in main lifting beam 4, and suspension rod 9 is connected by bearing pin with main lifting beam 4, utilize movable crane that main lifting beam 4 is arranged in driving; On steam turbine building running platform, two groups of main lifting beam 4 and secondary carrier bars 2 minutes are combined, after combination, secondary carrier bar 2 is arranged in main lifting beam 4, in main lifting beam 4, GYT hydraulic lifting apparatus is installed, and is put on cable wire; Utilize two 5t winchs to lift main lifting beam 4 in place with the fabricate block of secondary carrier bar 2, be connected by bearing pin with suspension rod 9; After installation, two drivings are in parallel, then by cable wire with lift beam 6 and link together by lower anchor head base, suspender combination is complete; Large-size stator transport vehicle is directly opened to hanging lifting position, thing hole, by steel rope, is connected and is lifted beam 6 and large-size stator hanging scaffold; Pretension GYT hydraulic lifting apparatus cable wire, Lift-on/Lift-off System starts to lift by crane large-size stator after detecting and confirming, be promoted to after predetermined altitude, action row car runs to directly over large-size stator basis, then by hydraulic lifting apparatus, is transferred to large-size stator in placely, and lifting finishes.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also belong to protection scope of the present invention.

Claims (6)

1. a Generator Stator lifting combined sling, it is characterized in that: described combined sling comprises link and vertical promotion parts, described vertical promotion parts are arranged on steam turbine building crane beam by main carrier bar and link, described combined sling also comprises and lifts parts, described in lift parts and connect described vertical promotion parts and large-size stator to be lifted.
2. according to generator unit stator lifting combined sling claimed in claim 1, it is characterized in that: described combined sling also comprises supporting leg and the running gear that is positioned at described steam turbine building crane beam end.
3. according to generator unit stator lifting combined sling claimed in claim 2, it is characterized in that: described link comprises main carrier bar and the secondary carrier bar being arranged in parallel, described main carrier bar is vertical with steam turbine building crane beam with secondary carrier bar direction, between main carrier bar and secondary carrier bar, by suspension rod, links together; Described link also comprises main lifting beam, and described main lifting beam is parallel with steam turbine building crane beam and supported by secondary carrier bar.
4. according to generator unit stator lifting combined sling claimed in claim 3, it is characterized in that: described vertical promotion parts comprise hydraulic jack, and described hydraulic jack is arranged in main lifting beam.
5. according to generator unit stator lifting combined sling claimed in claim 4, it is characterized in that: described in lift parts and comprise steel wire rope lockset and steel strand, hydraulic jack is connected with the secondary lifting beam of bottom by steel strand, secondary lifting beam by bearing pin with lift beam and be connected, steel wire rope lockset hangs on and lifts on beam.
6. according to generator unit stator lifting combined sling claimed in claim 4, it is characterized in that: described running gear comprises track and is arranged on the road wheel on described supporting leg.
CN201410220974.0A 2014-05-23 2014-05-23 Combined lifting appliance for lifting stator of large power generator Pending CN103979427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410220974.0A CN103979427A (en) 2014-05-23 2014-05-23 Combined lifting appliance for lifting stator of large power generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410220974.0A CN103979427A (en) 2014-05-23 2014-05-23 Combined lifting appliance for lifting stator of large power generator

Publications (1)

Publication Number Publication Date
CN103979427A true CN103979427A (en) 2014-08-13

Family

ID=51271642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410220974.0A Pending CN103979427A (en) 2014-05-23 2014-05-23 Combined lifting appliance for lifting stator of large power generator

Country Status (1)

Country Link
CN (1) CN103979427A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006073A2 (en) * 1998-11-30 2000-06-07 Berliner Wasserbetriebe Anstalt des öffentlichen Rechts Auxiliary device for a crane installation
CN201619953U (en) * 2009-07-29 2010-11-03 广东火电工程总公司 Special hoisting mechanism for hoisting set generator stator
CN201825670U (en) * 2010-10-18 2011-05-11 河北省电力建设第一工程公司 Lifting appliance used for generator stator
CN202704861U (en) * 2012-07-18 2013-01-30 山东电力建设第二工程公司 Special lifting device for generator stator
CN204079301U (en) * 2014-05-23 2015-01-07 山东电力建设第三工程公司 A kind of Generator Stator lifting combined sling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1006073A2 (en) * 1998-11-30 2000-06-07 Berliner Wasserbetriebe Anstalt des öffentlichen Rechts Auxiliary device for a crane installation
CN201619953U (en) * 2009-07-29 2010-11-03 广东火电工程总公司 Special hoisting mechanism for hoisting set generator stator
CN201825670U (en) * 2010-10-18 2011-05-11 河北省电力建设第一工程公司 Lifting appliance used for generator stator
CN202704861U (en) * 2012-07-18 2013-01-30 山东电力建设第二工程公司 Special lifting device for generator stator
CN204079301U (en) * 2014-05-23 2015-01-07 山东电力建设第三工程公司 A kind of Generator Stator lifting combined sling

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
秦福春: "在行车主梁上放置液压提升装置吊装发电机定子", 《建设机械技术与管理》 *
秦福春: "在行车主梁上放置液压提升装置吊装发电机定子", 《建设机械技术与管理》, no. 12, 20 December 2010 (2010-12-20), pages 146 - 149 *

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Application publication date: 20140813