CN201165449Y - Double lifting motor safe crab - Google Patents
Double lifting motor safe crab Download PDFInfo
- Publication number
- CN201165449Y CN201165449Y CNU2007201925166U CN200720192516U CN201165449Y CN 201165449 Y CN201165449 Y CN 201165449Y CN U2007201925166 U CNU2007201925166 U CN U2007201925166U CN 200720192516 U CN200720192516 U CN 200720192516U CN 201165449 Y CN201165449 Y CN 201165449Y
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- China
- Prior art keywords
- hoisting
- lifting
- lifting motor
- retarder
- carriage
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- Expired - Fee Related
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Abstract
The utility model discloses a safe crane carriage with double hoisting motors. The safe crane carriage comprises a hoisting mechanism which is composed of a hoisting winding drum, hoisting decelerators, hoisting motors, brakes, couplers, and a fixed pulley beam, a carriage running mechanism which is composed of wheels, wheel seats, and a carriage running driving device, and an end beam for fixing the hoisting mechanism and the carriage running mechanism. The hoisting decelerators are respectively installed at two ends of the hoisting winding drum; a hoisting motor bracket is arranged on one side of the hoisting winding drum, and the fixed pulley beam is arranged on the another side; the two hoisting motors are respectively installed at two ends of the hoisting motor bracket, and are respectively connected with the hoisting decelerators through respective couplers, and two sets of brakes are respectively disposed on two sides of each coupler to form the double drive hoisting mechanism. The motor adopts load equalization driving, each set of device can independently hoist rated load, thus if any set fails, the other driving device can continuously hoist the rated load at half rated hoisting speed, therefore, the safety and the operation performance are improved.
Description
Technical field
The utility model relates to crane facility, relates in particular to a kind of pair of lifting motor safety crane carriage.
Background technology
Along with developing rapidly of power industry and great equipment industry, in the large hydropower station project, generator set weight is more and more heavier especially, and the crane in bridge type hoisting capacity of required configuration lifting rotor and stator is also increasing thereupon, requires more and more higher to safety performance.The lifting mechanism of general traditional crane carriage comprises a lifting motor, the retarder that hoists, a cover hoisting drum, a cover sure brake, a cover service brake, and composition such as fixed pulley group.This structure design is the single transmission that hoists, and the design size of each link is big, and the security requirement height.When any covering device of lifting motor, service brake or the retarder that hoists lost efficacy, the sure brake of hoisting drum end was devoted oneself to work, with the hoisting drum locking, until trouble removal normal operation again.
The lifting mechanism of another kind of crane carriage adopts two motors, and one overlaps the retarder that hoists drives the quadruplet hoisting drum, every cover hoisting drum configuration sure brake mode.This frame mode is arranged on the very big trolley frame platform, and the retarder that hoists simultaneously will drive the quadruplet hoisting drum, if wherein a cover hoisting drum breaks down, complete machine must quit work.
More than two kinds of crane carriage scantling of structure big, build guality requires high, the manufacturing cycle is long, and is big to dolly and hoisting crane complete machine impact damage, releasing fault difficulty, the on-site installation difficulty is big.When financial cost improved, the economic benefit of bringing was unsatisfactory.
Summary of the invention
The utility model has overcome above-mentioned the deficiencies in the prior art, and its purpose is to provide a kind of pair of lifting motor safety crane carriage.
The technical scheme that its technical matters that solves the utility model adopts is:
Comprise the lifting mechanism of forming by hoisting drum, the retarder that hoists, lifting motor, drg, coupler, fixed pulley beam, the wheeling mechanism of forming by wheel, wheel mount, trolley travelling actuating device, and the fixing end carriage of lifting mechanism and wheeling mechanism.The retarder that hoists is equipped with at the hoisting drum two ends respectively, one side of hoisting drum is provided with the lifting motor support, opposite side is provided with the fixed pulley beam, two lifting motors are installed in lifting motor support two ends respectively, coupler by separately is connected with the retarder that hoists separately, the cover work of arranging respectively the axial organ both sides of every All-China Federation of Taiwan Compatriots is used drg with drg with assisting, and constitutes the lifting mechanism of two transmissions.
The utility model is compared the beneficial effect that has with background technology:
1) adopts two cover electrical motors, retarder, coupler, service braking apparatus.Electrical motor adopts balancing the load to drive, and every covering device can independently lift by crane rated load, when the another set of actuating device of any cover et out of order wherein still continues the work of lifting rated load with 1/2nd specified lifting speed.Its safety performance and in-use performance all double.
2) the two retarders that hoist of this pair lifting motor substitute conventional safety arrestment apparatus effect, and at lifting motor output axle head two cover service brakes are installed, and safety performance is higher.The impact that dolly bears reduces greatly, mechanism's symmetric arrangement, and its structure is more reliable.
3) this crane carriage scantling of structure compactness, dolly height and deadweight are conventional to reduce about 40%, make hoisting crane complete machine weight reduction, highly reduce, the corresponding reduction of factory building height, thus save equipment manufacturing cost and civil engineering is invested.
4) this technology adopts the two retarders that hoist of two lifting motors, the gross horsepower configuration is conventional to reduce about 20%, retarder load-carrying capacity and the scantling of structure of hoisting is conventional to reduce about 40%, reduces the whole set equipment configuration manufacturing cost and the use cost that comes into operation, and is a kind of novel product of resource-conserving.
Description of drawings
Fig. 1 is conventional no trolley frame curb girder carrying speed governing crane carriage structural front view;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is an of the present utility model pair of lifting motor safety crane carriage structural front view;
Fig. 4 is the birds-eye view of Fig. 3.
Among the figure: 1, lifting motor, 2, coupler, 3, drg, 4, the retarder that hoists, 5, end carriage, 6, bearing seat, 7, hoisting drum, 8, the lifting motor support, 9, the fixed pulley beam, 10, the trolley travelling actuating device.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 3, Figure 4, the utility model comprises hoist retarder 4, two lifting mechanisms that lifting motor 1, two cover drgs 3, two All-China Federation of Taiwan Compatriots's axial organs 2, fixed pulley beam 9 are formed by hoisting drum 7, Liang Tai, by wheel, wheel mount, two wheeling mechanisms that trolley travelling actuating device 10 is formed, and the fixing end carriage 5 of lifting mechanism and wheeling mechanism.The retarder 4 that hoists is equipped with at hoisting drum 7 two ends respectively, one side of hoisting drum 7 is provided with lifting motor support 8, opposite side is provided with fixed pulley beam 9, two lifting motors 1 are installed in lifting motor support 8 two ends respectively, coupler 2 by separately is connected with the retarder 4 that hoists separately, the cover work of arranging respectively axial organ 2 both sides of every All-China Federation of Taiwan Compatriots drg and the auxiliary drg of forming with drg 3, the lifting mechanism of formation pair transmissions.
Above-described lifting motor 1 is buncher.As shown in Figure 3, Figure 4, the working process of lifting mechanism is: after the speed regulation device speed governing, two work are declutched simultaneously with drg, two auxiliary time-delays simultaneously with drg are declutched, two lifting motors 1, are finished hoisting of rated load and are descended with specified lifting speed by two All-China Federation of Taiwan Compatriots's axial organs 2, the Liang Tai retarder 4 common hoisting drums 7 that drive that hoist with rated speed of rotation.When the slowing-down brake glancing impact, two work is with drg brake sticking brake simultaneously, and two auxiliary with the drg brake sticking brake of delaying time simultaneously, finishes entire work process.
When hook load during less than 1/2nd rated load, by speed regulation device the output speed of two lifting motors 1 is increased to the two-fold rated speed of rotation, this moment, lifting speed increased to the two-fold command speed simultaneously, finished entire work process with the twice command speed.
A certain parts in the transmission device that hoists of any cover (comprising a lifting motor 1, coupler 2, corresponding two drgs 3 and the retarder 4 that hoists) wherein break down, remove after this sets of transmission mechanism, the lifting motor 1 of the another set of transmission device that hoists will drive hoisting drum 7 with 1/2nd rated speed of rotation, with 1/2nd specified lifting speed lifting rated loads.
When this cover lifting mechanism during, hoisting capacity can be less than or equal to 1/4th article and finish entire work process with one times command speed ascending, descending with output two-fold rated speed of rotation.
Claims (1)
1, a kind of pair of lifting motor safety crane carriage, comprise by hoisting drum, retarder hoists, lifting motor, drg, coupler, the lifting mechanism that the fixed pulley beam is formed, by wheel, wheel mount, the wheeling mechanism that the trolley travelling actuating device is formed, and the fixing end carriage of lifting mechanism and wheeling mechanism, it is characterized in that: the retarder that hoists is equipped with at the hoisting drum two ends respectively, one side of hoisting drum is provided with the lifting motor support, opposite side is provided with the fixed pulley beam, two lifting motors are installed in lifting motor support two ends respectively, coupler by separately is connected with the retarder that hoists separately, the cover work of arranging respectively the axial organ both sides of every All-China Federation of Taiwan Compatriots is used drg with drg with assisting, and constitutes the lifting mechanism of two transmissions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201925166U CN201165449Y (en) | 2007-11-23 | 2007-11-23 | Double lifting motor safe crab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201925166U CN201165449Y (en) | 2007-11-23 | 2007-11-23 | Double lifting motor safe crab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201165449Y true CN201165449Y (en) | 2008-12-17 |
Family
ID=40190831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201925166U Expired - Fee Related CN201165449Y (en) | 2007-11-23 | 2007-11-23 | Double lifting motor safe crab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201165449Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718137A (en) * | 2011-03-31 | 2012-10-10 | 象王重工股份有限公司 | Novel lower trolley structure of shipbuilding gantry crane |
| CN103318760A (en) * | 2013-07-01 | 2013-09-25 | 大连华锐重工集团股份有限公司 | Low-clearance hanging crane trolley |
| CN104787676A (en) * | 2015-03-30 | 2015-07-22 | 樟树市至晟锻造有限公司 | Hoisting trolley |
| CN113173504A (en) * | 2021-04-23 | 2021-07-27 | 韶关市泰力起重机有限公司 | European crane with protection device |
-
2007
- 2007-11-23 CN CNU2007201925166U patent/CN201165449Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718137A (en) * | 2011-03-31 | 2012-10-10 | 象王重工股份有限公司 | Novel lower trolley structure of shipbuilding gantry crane |
| CN103318760A (en) * | 2013-07-01 | 2013-09-25 | 大连华锐重工集团股份有限公司 | Low-clearance hanging crane trolley |
| CN104787676A (en) * | 2015-03-30 | 2015-07-22 | 樟树市至晟锻造有限公司 | Hoisting trolley |
| CN113173504A (en) * | 2021-04-23 | 2021-07-27 | 韶关市泰力起重机有限公司 | European crane with protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20151123 |