CN201746247U - Fixed double hoisting cantilever rail girder hanger - Google Patents
Fixed double hoisting cantilever rail girder hanger Download PDFInfo
- Publication number
- CN201746247U CN201746247U CN2010202975770U CN201020297577U CN201746247U CN 201746247 U CN201746247 U CN 201746247U CN 2010202975770 U CN2010202975770 U CN 2010202975770U CN 201020297577 U CN201020297577 U CN 201020297577U CN 201746247 U CN201746247 U CN 201746247U
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- cantilever
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- translation
- hoisting
- suspender
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Abstract
The utility model belongs to the technical field of water resources and hydropower engineering and provides a fixed double hoisting cantilever rail girder hanger which mainly includes ground jacks, two longitudinal girders of a cantilever, a translation crossbeam, a hoisting mechanism, a translation traction mechanism, a balancing mechanism and a hanger; the ground jacks support the longitudinal girders of the cantilever on a gate pier; the translation crossbeam is spanned on the two longitudinal girders of the cantilever and is connected with the slideways of the longitudinal girders of the cantilever through a sliding block thereof; the hoisting mechanism is arranged at the two ends of the translation crossbeam; the translation traction mechanism is respectively connected with the two ends of the translation crossbeam; the balancing mechanism is arranged at the tail parts of the longitudinal girders of the cantilever and is connected with the ground anchor of the gate pier. The fixed double hoisting cantilever rail girder hanger is suitable for the hoisting construction of big tonnage gate dam hydropower station dam top gate crane rail beams which have narrow fields, simple roads and high hoisting height, and are hard to put large hoisting equipment in use. The fixed double hoisting cantilever rail girder hanger uses universal machines and tools and equipment, and has less investment.
Description
Technical field
The utility model belongs to the Hydraulic and Hydro-Power Engineering technical field, particularly relates 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 very difficult; The workyard is narrow, road is simple and easy, and main equipment is difficult to put to good use and constructs and disturb greatly.
The utility model content
In view of above problem, main purpose of the present utility model 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 that the utility model provides, mainly comprise: four supporting legs, two cantilever longerons, the translation crossbeam, two cover lifting mechanisms, two cover translation trailer couplings, equalizing gear and suspender, described supporting leg supports two cantilever longerons and is located on the gate pier, described translation crossbeam is across on the two cantilever longerons, slideway by its set slide block and cantilever longeron joins, described lifting mechanism is installed on translation crossbeam two ends respectively, be used for overhang-door machine track girder, described translation trailer coupling is connected with the two ends of translation crossbeam respectively, to draw its slideway parallel motion along the cantilever longeron, described equalizing gear is installed on cantilever longeron afterbody, link to each other with the earth anchor of gate pier, the balance that when described door machine track girder lifts by crane, keeps the cantilever longeron, described suspender is by bottom girder, pull bar and running block hanging beam are formed, described bottom girder is placed on door machine track girder bottom to be lifted, links to each other with running block hanging beam two ends by the both sides pull bar, wherein:
Described lifting mechanism specifically comprises: winch, fourfold block, one five take turns coaster and form, described winch is installed in above-mentioned translation crossbeam two ends as the power plant that hoists, described fourfold block is installed in translation crossbeam two ends as fixed pulley, described five take turns coaster is installed in as movable pulley on the running block hanging beam of above-mentioned suspender, and described winch, fourfold block, five are taken turns coaster and be connected by 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 described every five;
Described translation trailer coupling specifically comprises: a winch, two fourfold blocks, a single block, two jacks, described 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, described single block is installed on the earth anchor of gate pier as leading sheave, described winch, fourfold block, single block are connected by steel rope, described jack hangs over cantilever longeron front end, when unloaded to front haulage translation crossbeam;
Described equalizing gear specifically comprises: a double block, a single block, a jack, described double block hangs over cantilever longeron end, single block hangs on the gate pier earth anchor, jack one end hangs on the gate pier earth anchor, one end links to each other with above-mentioned double block and single block coaster by steel rope, plays tension.
Fixed double-suspending point cantilever track type purlin suspender described in the utility model, 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 the fixed double-suspending point cantilever track type purlin suspender that provides of the utility model;
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 the technical solution of the utility model is further specified, but its qualification of not opposing:
As shown in Figures 1 and 2, fixed double-suspending point cantilever track type purlin suspender described in the utility model comprises: supporting leg 10, cantilever longeron 20, translation crossbeam 30, lifting mechanism 40, translation trailer coupling 50, equalizing gear 60, suspender 70, and described 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; Described translation crossbeam 30 is across on the two cantilever longerons 20, contacts with cantilever longeron 20 slideways by its slide block; Described two cover lifting mechanisms 40 are installed on translation longeron 30 two ends respectively and play overhang-door machine track girder 90; Described two cover translation trailer couplings 50 are drawing translation crossbeam 30 two ends parallel motion on cantilever longeron 20 slideways; Described equalizing gear 60 is installed on cantilever longeron 20 afterbodys and links to each other with gate pier 80 earth anchors, keeps the balance of cantilever longeron 20 when 90 liftings of door machine track girder; Described cantilever longeron 20 cantilever ends stretch out gate pier 80 pier noses, translation crossbeam 30 slides to cantilever longeron 20 cantilever ends,, to gate pier 80 top certain altitudes, on cantilever longeron 20, slide onto design attitude and fall door machine track girder 90 in place from gate pier 80 root overhang-door machine track girders 90.
Wherein in the present embodiment: described each supporting leg 10 is high 4 meters, is welded with the common steel tube of diameter 220mm, wall thickness 6mm; Described every cantilever longeron 20 is grown 10 meters, is welded with four common I-beam sections of 56a, described 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; Described 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; Described every cover lifting mechanism 40 by the winch 401 of 9 meters/minute of 10 tons of rope speeds, 50 tons of fourfold block 402, one 50 tons five take turns coaster and form 403, this five is taken turns coaster and can also adopt 32 tons of three-fold blocks and two 10 tons of single block to replace in practice, and hoist rope is selected Φ 20mm, 6 * 37 fibre core hoist ropes for use; Described 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; Described 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 utility model has been done detailed description.For persons skilled in the art, any conspicuous change of under the prerequisite that does not deviate from the utility model principle it being done can not exceed the protection domain of the application's 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, the translation crossbeam, two cover lifting mechanisms, two cover translation trailer couplings, equalizing gear and suspender, described supporting leg supports two cantilever longerons and is located on the gate pier, described translation crossbeam is across on the two cantilever longerons, slideway by its set slide block and cantilever longeron joins, described lifting mechanism is installed on translation crossbeam two ends respectively, described translation trailer coupling is connected with the two ends of translation crossbeam respectively, described equalizing gear is installed on cantilever longeron afterbody, link to each other with the earth anchor of gate pier, described suspender is by bottom girder, pull bar and running block hanging beam are formed, and described bottom girder links to each other with running block hanging beam two ends by the both sides pull bar.
2. fixed double-suspending point cantilever track type purlin suspender according to claim 1, it is characterized in that, described every cover lifting mechanism specifically comprises: winch, fourfold block, one five take turns coaster, described winch is installed in above-mentioned translation crossbeam two ends as the power plant that hoists, described fourfold block is installed in translation crossbeam two ends as fixed pulley, described five take turns coaster is installed in as movable pulley on the running block hanging beam of above-mentioned suspender, and described winch, fourfold block, five are taken turns coaster and be connected by steel rope.
3. fixed double-suspending point cantilever track type purlin suspender according to claim 2 is characterized in that, described 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, described every cover translation trailer coupling specifically comprises: a winch, two fourfold blocks, a single block, two jacks, described 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, described single block is installed on the earth anchor of gate pier as leading sheave, described winch, fourfold block, single block is connected by steel rope, and described 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, described equalizing gear specifically comprises: a double block, a single block, a jack, described double block hangs over cantilever longeron end, 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 by steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202975770U CN201746247U (en) | 2010-08-19 | 2010-08-19 | Fixed double hoisting cantilever rail girder hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202975770U CN201746247U (en) | 2010-08-19 | 2010-08-19 | Fixed double hoisting cantilever rail girder hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201746247U true CN201746247U (en) | 2011-02-16 |
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ID=43580924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202975770U Expired - Fee Related CN201746247U (en) | 2010-08-19 | 2010-08-19 | Fixed double hoisting cantilever rail girder hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201746247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913534A (en) * | 2010-08-19 | 2010-12-15 | 中国水电建设集团十五工程局有限公司 | Fixed double-suspending point cantilever track type purlin suspender |
| CN111298325A (en) * | 2020-04-14 | 2020-06-19 | 西安科技大学 | Detection and rescue integrated deep well rescue device |
-
2010
- 2010-08-19 CN CN2010202975770U patent/CN201746247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913534A (en) * | 2010-08-19 | 2010-12-15 | 中国水电建设集团十五工程局有限公司 | Fixed double-suspending point cantilever track type purlin suspender |
| CN111298325A (en) * | 2020-04-14 | 2020-06-19 | 西安科技大学 | Detection and rescue integrated deep well rescue device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20120819 |