CN101913534B - Fixed double-suspending point cantilever track type purlin suspender - Google Patents
Fixed double-suspending point cantilever track type purlin suspender Download PDFInfo
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- CN101913534B CN101913534B CN2010102574163A CN201010257416A CN101913534B CN 101913534 B CN101913534 B CN 101913534B CN 2010102574163 A CN2010102574163 A CN 2010102574163A CN 201010257416 A CN201010257416 A CN 201010257416A CN 101913534 B CN101913534 B CN 101913534B
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Abstract
The invention belongs to the technical field of water conservancy and hydropower engineering and provides a fixed double-suspending point cantilever track type purlin suspender mainly comprising support legs, cantilever longitudinal beams, a translational transverse beam, a lifting mechanism, a translational traction mechanism, a balancing mechanism and a suspending appliance, wherein the support legs for supporting the two cantilever longitudinal beams are arranged on a gate pier, and the translational transverse beam is spanned on the two cantilever longitudinal beams and is connected with slideways of the cantilever longitudinal beams through slide blocks arranged on the translational transverse beam; the lifting mechanism is installed at both ends of the translational transverse beam; the translational traction mechanism is respectively connected with both ends of the translational transverse beam; and the balancing mechanism is installed at the tails of the cantilever longitudinal beams and is connected with a ground anchor of the gate pier. The fixed double-suspending point cantilever track type purlin suspender is especially suitable for the hoisting construction of dam-crest gantry crane track beams of large-tonnage gate dam type hydropower stations with narrow fields, simple roads, high hoisting height and difficult construction of large-scale hoisting equipment and has the advantages of simple structure, low fabricating cost, convenient operation, strong adaptability to construction sites, high hoisting height and low investment due to the adoption of universal appliances and equipment.
Description
Technical field
The invention belongs to the Hydraulic and Hydro-Power Engineering technical field, particularly relate to a kind of fixed double-suspending point cantilever track type purlin suspender.
Background technology
For the construction of gate dam formula Hydropower Project, inevitably to run into the lifting problem of dam crest door machine track girder.At present, normally adopt bridge formation machine scheme, crane scheme, but for gate dam formula Hydropower Project, dam crest door machine track girder volume and weight is all very big, long-distance transportation is difficulty very; The workyard is narrow, road is simple and easy, and main equipment is difficult to put to good use and constructs and disturb greatly.
Summary of the invention
In view of above problem, main purpose of the present invention is to provide a kind of fixed double-suspending point cantilever track type purlin suspender, that hang this purlin is simple in structure, cost is low, easy to operate, the camp site comformability is strong, has in use produced remarkable social benefit and economic benefit.
This kind fixed double-suspending point cantilever track type purlin suspender provided by the invention mainly comprises: four supporting legs, two cantilever longerons, translation crossbeam, two cover lifting mechanisms, two cover translation trailer couplings, equalizing gear and suspenders, and said supporting leg supports two cantilever longerons and is located on the gate pier; Said translation crossbeam is across on the two cantilever longerons, and the slideway through its set slide block and cantilever longeron joins, and said lifting mechanism is installed on translation crossbeam two ends respectively; Be used for overhang-door machine track girder; Said translation trailer coupling is connected with the two ends of translation crossbeam respectively, and to draw its slideway parallel motion along the cantilever longeron, said equalizing gear is installed on cantilever longeron afterbody; Link to each other with the earth anchor of gate pier; When said door machine track girder lifts by crane, keep the balance of cantilever longeron, said suspender is made up of bottom girder, pull bar and running block hanging beam, and said bottom girder is placed on door machine track girder bottom to be lifted; Link to each other with running block hanging beam two ends through the both sides pull bar, wherein:
Said lifting mechanism specifically comprises: winch, fourfold block, one five take turns coaster and form; Said winch is installed in above-mentioned translation crossbeam two ends as the power plant that hoists; Said fourfold block is installed in translation crossbeam two ends as fixed pulley; Said five take turns coaster is installed in as movable pulley on the running block hanging beam of above-mentioned suspender, and said winch, fourfold block, five are taken turns coaster and be connected through steel rope;
Take turns coaster by a three-fold block and two single block replacements, and be installed on the running block hanging beam of suspender for said every five;
Said translation trailer coupling specifically comprises: a winch, two fourfold blocks, a single block, two jacks; Said winch traction power equipment is fixed on the gate pier; A fourfold block is installed in translation crossbeam one end as running block; Another is installed in the end of cantilever longeron as the fixed pulley group, and said single block is installed in as leading sheave on the earth anchor of gate pier, and said winch, fourfold block, single block are connected through steel rope; Said jack hangs over cantilever longeron front end, when unloaded to front haulage translation crossbeam;
Said equalizing gear specifically comprises: a double block, a single block, a jack; It is terminal that said double block hangs over the cantilever longeron; Single block hangs on the gate pier earth anchor; Jack one end hangs on the gate pier earth anchor, and an end links to each other with above-mentioned double block and single block coaster through steel rope, plays tension.
Fixed double-suspending point cantilever track type purlin suspender of the present invention; It is specially adapted to the lifting construction of the large-tonnage gate dam formula hydroelectric dam roof door machine track girder that the place is narrow, road is simple and easy, hoisting height is high, large-scale hanging device is difficult to put to good use, it is simple in structure for this kind fixed double-suspending point cantilever track type purlin suspender, cost of manufacture is low, easy to operate, the camp site comformability is strong, hoisting height is big; Suit measures to local conditions, construction technology is simple, construction cost is low; All use general facility and equipment, less investment.
Description of drawings
Fig. 1 is the overall schematic of fixed double-suspending point cantilever track type purlin suspender provided by the invention;
Fig. 2 is the schematic cross-section of A-A among Fig. 1.
The specific embodiment
Below in conjunction with specific embodiment and accompanying drawing technical scheme of the present invention is further specified, but its qualification of not opposing:
Like Fig. 1 and shown in Figure 2; Fixed double-suspending point cantilever track type purlin suspender of the present invention comprises: supporting leg 10, cantilever longeron 20, translation crossbeam 30, lifting mechanism 40, translation trailer coupling 50, equalizing gear 60, suspender 70, and said four supporting legs 10 support two cantilever longerons 20 and are placed in respectively on adjacent two gate piers, the 80 end face design attitudes; Said translation crossbeam 30 is across on the two cantilever longerons 20, contacts with cantilever longeron 20 slideways through its slide block; Said two cover lifting mechanisms 40 are installed on translation longeron 30 two ends respectively and play overhang-door machine track girder 90; Said two cover translation trailer couplings 50 are drawing translation crossbeam 30 two ends parallel motion on cantilever longeron 20 slideways; Said equalizing gear 60 is installed on cantilever longeron 20 afterbodys and links to each other with gate pier 80 earth anchors, when 90 liftings of door machine track girder, keeps the balance of cantilever longeron 20; Said cantilever longeron 20 cantilever ends stretch out gate pier 80 pier noses; Translation crossbeam 30 slides to cantilever longeron 20 cantilever ends; Behind gate pier 80 root overhang-door machine track girder 90 to gate piers 80 top certain altitudes, on cantilever longeron 20, slide onto design attitude and fall door machine track girder 90 in place.
Wherein in the present embodiment: said each supporting leg 10 is high 4 meters, is welded with the common steel tube of diameter 220mm, wall thickness 6mm; Said every cantilever longeron 20 is grown 10 meters, is welded with four common I-beam sections of 56a; Said translation crossbeam 30 long 21.86 meters, be that Main Girder Welding forms, because length longly can be divided two sections processing, is transported to the camp site then and dock with two common I-beam sections of 56a; Said suspender 70 is made up of bottom girder 701, pull bar 702 and running block hanging beam 703, and bottom girder 701 adopts two 18
#I-beam section and Φ 80 round steel are welded, and pull bar 702 adopts the 20mm plate iron to process, and running block hanging beam 703 is with two 25
#I-beam section is main being welded; Said every cover lifting mechanism 40 by the winch of 9 meters/minute of 10 tons of rope speeds 401,50 tons of fourfold block 402, one 50 tons five take turns coaster and form 403; This five is taken turns coaster and in reality, can also adopt 32 tons of three-fold blocks and two 10 tons of single block to replace, and hoist rope is selected Φ 20mm, 6 * 37 fibre core hoist ropes for use; Said every cover translation trailer coupling 50 is made up of the winch of 12 meters/minute of 2 tons of rope speeds, two 16 tons of fourfold blocks, one 5 tons single block (track adjusting wheel), two 5 tons of jacks when traction translation crossbeam (unloaded with), and haulage cable is selected Φ 12mm, 6 * 19 fibre core steel ropes for use; Said every cover equalizing gear 60 is made up of 20 tons of double blocks 601,10 tons of single block 602,10 tons of jacks 603, and steel rope is selected the steel rope identical with lifting mechanism for use.
Below technology contents of the present invention has been done detailed description.As far as persons skilled in the art, any conspicuous change of under the prerequisite that does not deviate from the principle of the invention, it being done can not exceed the protection domain of the application's accompanying claims.
Claims (5)
1. fixed double-suspending point cantilever track type purlin suspender; It is characterized in that, mainly comprise: four supporting legs, two cantilever longerons, translation crossbeam, two cover lifting mechanisms, two cover translation trailer couplings, equalizing gear and two cover suspenders, said supporting leg supports two cantilever longerons and is located on the gate pier; Said translation crossbeam is across on the two cantilever longerons; Slideway through its set slide block and cantilever longeron joins, and said lifting mechanism is installed on translation crossbeam two ends respectively, and said translation trailer coupling is connected with the two ends of translation crossbeam respectively; Said equalizing gear is installed on cantilever longeron afterbody; Link to each other with the earth anchor of gate pier, said suspender is made up of bottom girder, pull bar and running block hanging beam, and said bottom girder links to each other with running block hanging beam two ends through the both sides pull bar.
2. fixed double-suspending point cantilever track type purlin suspender according to claim 1; It is characterized in that; Said every cover lifting mechanism specifically comprises: winch, fourfold block, one five take turns coaster; Said winch is installed in above-mentioned translation crossbeam two ends as the power plant that hoists; Said fourfold block is installed in translation crossbeam two ends as fixed pulley, and said five take turns coaster is installed in as movable pulley on the running block hanging beam of above-mentioned suspender, and said winch, fourfold block, five are taken turns coaster and be connected through steel rope.
3. fixed double-suspending point cantilever track type purlin suspender according to claim 2 is characterized in that, said five take turns coaster is replaced by a three-fold block and two single block, and is installed on the running block hanging beam of suspender.
4. fixed double-suspending point cantilever track type purlin suspender according to claim 1; It is characterized in that; Said every cover translation trailer coupling specifically comprises: a winch, two fourfold blocks, a single block, two jacks, and said winch is fixed on the gate pier as traction power equipment, and a fourfold block is installed in translation crossbeam one end as running block; Another is installed in the end of cantilever longeron as the fixed pulley group; Said single block is installed in as leading sheave on the earth anchor of gate pier, and said winch, fourfold block, single block are connected through steel rope, and said jack hangs over cantilever longeron front end.
5. fixed double-suspending point cantilever track type purlin suspender according to claim 1; It is characterized in that; Said equalizing gear specifically comprises: it is terminal that a double block, a single block, a jack, said double block hang over the cantilever longeron, and single block hangs on the gate pier earth anchor; Jack one end hangs on the gate pier earth anchor, and an end links to each other with above-mentioned double block and single block through steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102574163A CN101913534B (en) | 2010-08-19 | 2010-08-19 | Fixed double-suspending point cantilever track type purlin suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102574163A CN101913534B (en) | 2010-08-19 | 2010-08-19 | Fixed double-suspending point cantilever track type purlin suspender |
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| Publication Number | Publication Date |
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| CN101913534A CN101913534A (en) | 2010-12-15 |
| CN101913534B true CN101913534B (en) | 2012-05-30 |
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| CN2010102574163A Active CN101913534B (en) | 2010-08-19 | 2010-08-19 | Fixed double-suspending point cantilever track type purlin suspender |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941620B (en) * | 2012-12-07 | 2015-09-09 | 中国建筑第八工程局有限公司 | The hanging method of prefabricated components |
| CN103288002B (en) * | 2013-06-22 | 2015-12-02 | 中铁十八局集团第二工程有限公司 | Simple combination door frame high-altitude weight hanging apparatus |
| CN106185677A (en) * | 2016-08-29 | 2016-12-07 | 安徽马钢工程技术集团有限公司 | A kind of hoisting mechanism and the jacking system of large-sized structural parts based on this mechanism |
| CN109797833B (en) * | 2019-02-23 | 2020-07-17 | 浙江华锦建筑装饰设计有限公司 | Municipal road sewer pipeline construction equipment and method |
| CN112520572B (en) * | 2020-12-11 | 2023-01-13 | 浙江喆泰智能科技有限公司 | Bridge crane machine beam |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282978A (en) * | 1980-01-28 | 1981-08-11 | Antonio Zambon | Bridge crane for the emplacement of elongate prefabricated members of structures spanning a multiplicity of spaced-apart supports |
| JP3268262B2 (en) * | 1998-03-11 | 2002-03-25 | 三菱重工業株式会社 | crane |
| US7451883B2 (en) * | 2005-10-31 | 2008-11-18 | Marine Travelift, Inc. | Panel turner for gantry crane |
| CN201343381Y (en) * | 2009-02-21 | 2009-11-11 | 秦皇岛天业通联重工股份有限公司 | Overline plank hanger for high-speed railway |
| CN201400535Y (en) * | 2009-03-26 | 2010-02-10 | 南通广宏船舶重工有限公司 | Span-pier portal crane |
| CN101670982B (en) * | 2009-09-27 | 2011-08-03 | 大连华锐股份有限公司 | Maintenance gantry crane |
| CN201746247U (en) * | 2010-08-19 | 2011-02-16 | 中国水电建设集团十五工程局有限公司 | Fixed double hoisting cantilever rail girder hanger |
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