CN102730576A - Energy saving fixed type crane - Google Patents
Energy saving fixed type crane Download PDFInfo
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- CN102730576A CN102730576A CN2012102099811A CN201210209981A CN102730576A CN 102730576 A CN102730576 A CN 102730576A CN 2012102099811 A CN2012102099811 A CN 2012102099811A CN 201210209981 A CN201210209981 A CN 201210209981A CN 102730576 A CN102730576 A CN 102730576A
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Abstract
The invention discloses an energy saving fixed type crane which comprises a pedestal. A rotary table, a driver's cab and an upper rotary column are arranged on the pedestal. A crane arm is installed on the rotary column and a luffing pulley block is arranged on the crane arm. The energy saving fixed type crane is characterized in that a luffing mechanism, hoisting mechanisms and a rotary mechanism are installed on the rotary table; the upper rotary column is a removable propeller strut; and there are two sets of the hoisting mechanisms, each of which comprises a motor, a decelerator, a shaft coupling and a drum. The motor is connected with the decelerator through the shaft coupling. The decelerator is connected with the drum. A brake is mounted on the other side of the decelerator, opposite to one side connecting with the drum. According to the above energy saving fixed type crane, on the basis of guaranteeing small tail turning radius, the luffing mechanism, the hoisting mechanisms and the rotary mechanism are all arranged on the rotary table, and simultaneously the upper rotary column adopts the form of propeller strut such that the weight of the crane itself is obviously mitigated and the energy saving and cost reducing effects are obvious.
Description
Technical field
The present invention relates to a kind of hoisting crane, relate in particular to the low energy-conservation stationary crane of a kind of ratio of light weight to loading capacity.
Background technology
At present, the middle-size and small-size fixed crane that uses on the harbour adopts lifting pulley compensation, rope luffing mostly; Can adopt suspension hook to carry out big part loading and unloading, can adopt grab bucket to carry out the bulk handling operation again, the requirement of crane hoisting mechanism; Lifting velocity requires very fast when using the grab bucket operation; Generally at 40~50 meters/minute, lifting velocity is slower during to the operation of use suspension hook, generally below 20 meters/minute; Play the liter weight aspect, when using suspension hook play liter weight when using grab bucket to play liter weight big.
When lifting mechanism designs, mainly contain two kinds of design plans at present, first kind is to adopt frequency control; Second kind is to adopt electrical motor to add change speed gear box to retarder; Electrical motor adopts conventional rheostatic speed regulation, adopts first kind of scheme power of electric motor bigger than the motor power (output) of second kind of scheme, and the energy consumption when using simultaneously and the manufacturing cost of hoisting crane are big; Therefore the present multiselect of form of lifting mechanism is with second kind of scheme; To the structure requirement of fixed crane, the afterbody radius of turn of fitness for purpose hoisting crane is as far as possible little simultaneously, to increase the scope of work of hoisting crane.
For satisfying above requirement; When designs fix formula hoisting crane, its mechanism is arranged as: lifting mechanism and rotating mechanism are arranged on the turntable at present, and luffing mechanism is arranged on machine room top or the upper platform; Last rotary column adopts plate structure or door folder shape; This design makes the ratio of light weight to loading capacity of stationary crane bigger, and the lifting power consumption is big, is unfavorable for energy saving and cost lowering.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation stationary crane; It reduces operating mechanism's occupation space through the improvement of operating mechanism, and the hoisting crane deadweight obviously alleviates; The energy saving and cost lowering effect is obvious, to solve the problem that stationary crane exists in the prior art.
For reaching this purpose, the present invention adopts following technical scheme:
A kind of energy-conservation stationary crane; It comprises base, and said base is provided with turntable, driver's cab and last rotary column, on the said turntable crane arm is installed; The luffing assembly pulley is arranged on the crane arm; Wherein, luffing mechanism, lifting mechanism and rotating mechanism are installed on the said turntable, said upward rotary column is removable Shears.
Especially; Said lifting mechanism is arranged as two covers, and it comprises electrical motor, speed reduction gearing, coupler and reel, and said electrical motor is connected with speed reduction gearing through coupler; Said speed reduction gearing connects reel, with respect to the opposite side that connects reel drg is installed on the said speed reduction gearing.
Especially, said speed reduction gearing comprises casing, and input shaft, output shaft, tween drive shaft, intermediate gear and final stage gear are set in the said casing; Said intermediate gear is installed on the tween drive shaft, and said final stage gear is installed on the output shaft and with tween drive shaft and meshes, and variable shaft and shift handle also are installed in the said casing; Said variable shaft is through spline sliding block joint dual gear, and it is spacing that low speed is installed on the said variable shaft, and low variable gear and high variable gear are installed on the said input shaft; And it is spacing that high speed is installed on the said input shaft; Said shift handle connects the gearshift axle, an end of said gearshift axle connection shift fork, and the other end of said shift fork connects dual gear.
Especially, said input shaft is installed on the casing through the end ball-bearing casing.
Especially, said tween drive shaft and output shaft are installed on the casing through tween drive shaft cone bearing and output shaft cone bearing respectively.
Beneficial effect of the present invention does; Compared with prior art said energy-conservation stationary crane is under the situation that guarantees less afterbody radius of turn; Luffing mechanism, lifting mechanism and rotating mechanism are arranged on the turntable; Go up simultaneously rotary column and adopt the Shears form, the deadweight of hoisting crane is obviously alleviated, the energy saving and cost lowering effect is obvious.
Description of drawings
Fig. 1 is the structural representation of the energy-conservation stationary crane that provides of the specific embodiment of the invention 1;
Fig. 2 is the turntable arrangement structure scheme drawing of the energy-conservation stationary crane that provides of the specific embodiment of the invention 1;
Fig. 3 is the section-drawing of the structure speed reduction gearing that hoists of the energy-conservation stationary crane that provides of the specific embodiment of the invention 1.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and through the specific embodiment.
See also Fig. 1 and shown in Figure 3, in the present embodiment, a kind of energy-conservation stationary crane comprises and is fixed in ground base 1; Said base 1 is provided with and can driver's cab 5 and Shears 4 be set on the said turntable 2 around the turntable 2 of base 1 rotation, and on the said turntable 2 crane arm 6 is installed; Luffing assembly pulley 7 is arranged on the crane arm 6; Luffing mechanism 8, lifting mechanism 10 and rotating mechanism 9 are installed on the said turntable 2, and said Shears 4 is removable structure, so that transportation.Said lifting mechanism 10 comprises electrical motor 11, speed reduction gearing 12, coupler 15 and reel 13; Said electrical motor 11 is connected with speed reduction gearing 12 through coupler 15; Said speed reduction gearing 12 connects reel 13, with respect to the opposite side that connects reel 13 drg 14 is installed on the said speed reduction gearing 12.
Said speed reduction gearing 12 comprises casing 18; Input shaft 19, output shaft 20, tween drive shaft 21, intermediate gear 22 and final stage gear 23 are set in the said casing 18; Said input shaft 19 is installed on the casing 18 through end ball-bearing casing 24, and said tween drive shaft 21 is installed on the casing 18 through tween drive shaft cone bearing 25 and output shaft cone bearing 26 respectively with output shaft 20, and said intermediate gear 22 is installed on the tween drive shaft 21; Said final stage gear 23 is installed on the output shaft 20 and with tween drive shaft 21 and meshes; Through variable shaft cone bearing 27 variable shaft 28 is installed also in the said casing 18, said variable shaft 28 is through spline sliding block joint dual gear 29, and installation low speed spacing 30 on the said variable shaft 28; Low variable gear 31 and high variable gear 32 are installed on the said input shaft 19, and high speed spacing 33 is installed on the said input shaft 19.
On the said casing 18 shift handle 16 is set, said shift handle 16 connects gearshift axle 17, and said gearshift axle 17 connects an end of shift fork, and the other end of said shift fork connects dual gear 29.
During work, when shift handle 16 mediates neutral, when 16 groups of shift handles are downward; Be low gear, at this moment, motor is through input shaft 19 imput powers; Dual gear 29 and low variable gear 31 engagements drive variable shaft 28, intermediate gear 22, final stage gear 23, output shaft 20 outputting powers by dual gear 29, when 16 groups of shift handles make progress; Be high speed gear, at this moment, motor is through input shaft 19 imput powers; Dual gear 29 and high variable gear 32 engagements drive variable shaft 28, intermediate gear 22, final stage gear 23, output shaft 20 outputting powers by dual gear 29.
Above-mentioned energy-conservation stationary crane is under the situation that guarantees less afterbody radius of turn; Operating mechanism's occupation space is reduced; Luffing mechanism 8, lifting mechanism 10 and rotating mechanism 9 are arranged on the turntable 2; Go up simultaneously rotary column and adopt the Shears form, make the weight reduction about 18% of hoisting crane, the energy saving and cost lowering effect is obvious.
Claims (5)
1. energy-conservation stationary crane; It comprises base, and said base is provided with turntable, driver's cab and last rotary column, on the said turntable crane arm is installed; The luffing assembly pulley is arranged on the crane arm; It is characterized in that, luffing mechanism, lifting mechanism and rotating mechanism are installed on the said turntable, said upward rotary column is removable Shears.
2. energy-conservation stationary crane according to claim 1; It is characterized in that; Said lifting mechanism is arranged as two covers, and it comprises electrical motor, speed reduction gearing, coupler and reel, and said electrical motor is connected with speed reduction gearing through coupler; Said speed reduction gearing connects reel, with respect to the opposite side that connects reel drg is installed on the said speed reduction gearing.
3. energy-conservation stationary crane according to claim 2 is characterized in that said speed reduction gearing comprises casing; Input shaft, output shaft, tween drive shaft, intermediate gear and final stage gear are set in the said casing, and said intermediate gear is installed on the tween drive shaft, and said final stage gear is installed on the output shaft and with tween drive shaft and meshes; Variable shaft and shift handle also are installed in the said casing; Said variable shaft is through spline sliding block joint dual gear, and it is spacing that low speed is installed on the said variable shaft, and low variable gear and high variable gear are installed on the said input shaft; And it is spacing that high speed is installed on the said input shaft; Said shift handle connects the gearshift axle, an end of said gearshift axle connection shift fork, and the other end of said shift fork connects dual gear.
4. energy-conservation stationary crane according to claim 3 is characterized in that, said input shaft is installed on the casing through the end ball-bearing casing.
5. energy-conservation stationary crane according to claim 3 is characterized in that, said tween drive shaft and output shaft are installed on the casing through tween drive shaft cone bearing and output shaft cone bearing respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012102099811A CN102730576A (en) | 2012-06-21 | 2012-06-21 | Energy saving fixed type crane |
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CN2012102099811A CN102730576A (en) | 2012-06-21 | 2012-06-21 | Energy saving fixed type crane |
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CN2012102099811A Pending CN102730576A (en) | 2012-06-21 | 2012-06-21 | Energy saving fixed type crane |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105047064A (en) * | 2015-08-25 | 2015-11-11 | 大连理工大学 | Crane teaching experiment platform |
CN106044587A (en) * | 2016-08-15 | 2016-10-26 | 广东中艺重工有限公司 | Fixed crane |
CN107265307A (en) * | 2017-08-09 | 2017-10-20 | 宝鸡市泰得工贸有限公司 | A kind of crane |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201183726Y (en) * | 2008-01-29 | 2009-01-21 | 潍坊新奇机电工程有限公司 | Speed variator for construction hoister |
CN101880006A (en) * | 2010-06-24 | 2010-11-10 | 大连华锐股份有限公司 | Roll-on device and method for large fixed type rotary crane |
CN101962155A (en) * | 2009-07-23 | 2011-02-02 | 中昇建机(南京)重工有限公司 | Special lifting machine for lifting wind power generation equipment |
CN202687813U (en) * | 2012-06-21 | 2013-01-23 | 无锡市协兴港口机械有限公司 | Energy-saving fixed crane |
-
2012
- 2012-06-21 CN CN2012102099811A patent/CN102730576A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201183726Y (en) * | 2008-01-29 | 2009-01-21 | 潍坊新奇机电工程有限公司 | Speed variator for construction hoister |
CN101962155A (en) * | 2009-07-23 | 2011-02-02 | 中昇建机(南京)重工有限公司 | Special lifting machine for lifting wind power generation equipment |
CN101880006A (en) * | 2010-06-24 | 2010-11-10 | 大连华锐股份有限公司 | Roll-on device and method for large fixed type rotary crane |
CN202687813U (en) * | 2012-06-21 | 2013-01-23 | 无锡市协兴港口机械有限公司 | Energy-saving fixed crane |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105047064A (en) * | 2015-08-25 | 2015-11-11 | 大连理工大学 | Crane teaching experiment platform |
CN106044587A (en) * | 2016-08-15 | 2016-10-26 | 广东中艺重工有限公司 | Fixed crane |
CN107265307A (en) * | 2017-08-09 | 2017-10-20 | 宝鸡市泰得工贸有限公司 | A kind of crane |
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Application publication date: 20121017 |