CN102718163B - A kind of lifting mechanism for hoisting crane - Google Patents
A kind of lifting mechanism for hoisting crane Download PDFInfo
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- CN102718163B CN102718163B CN201210209709.3A CN201210209709A CN102718163B CN 102718163 B CN102718163 B CN 102718163B CN 201210209709 A CN201210209709 A CN 201210209709A CN 102718163 B CN102718163 B CN 102718163B
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Abstract
The invention discloses a kind of lifting mechanism for hoisting crane, it comprises electrical motor, described electrical motor is connected with speed reduction gearing by coupler, described speed reduction gearing connects reel, described speed reduction gearing comprises casing, input shaft, output shaft and tween drive shaft is rotating is arranged in casing, intermediate gear is installed on tween drive shaft, final-stage gear to be installed on output shaft and to engage with tween drive shaft, in described casing, variable shaft and shift handle are also installed, described variable shaft connects dual gear by spline slide, and it is spacing that described variable shaft installs low speed, described input shaft is installed low variable gear and high variable gear, and it is spacing described input shaft to be installed high speed, described shift handle connects shifting shaft, described shifting shaft connects one end of shift fork, the other end of described shift fork connects dual gear.Space saved by above-mentioned lifting mechanism, saved the arrangement space of hoisting crane, and reliable stable, commonality is better.
Description
Technical field
The present invention relates to a kind of hoisting crane, particularly relate to a kind of lifting mechanism for hoisting crane.
Background technology
At present, the middle-size and small-size fixed crane that harbour uses, most employing lifting pulley compensates, rope luffing, suspension hook can be adopted to carry out large part handling, grab bucket can be adopted again to carry out bulk handling operation, to the requirement of crane hoisting mechanism, when using grab bucket operation, lifting velocity requires very fast, general at 40 ~ 50 ms/min, slower to lifting velocity during use suspension hook operation, general below 20 ms/min, a liter weight aspect, uses liter weight during suspension hook larger than liter weight when using grab bucket.
When lifting mechanism designs, mainly contain two kinds of design plans at present, the first adopts frequency control, the second adopts electrical motor to add change speed gear box to retarder, electrical motor adopts conventional resistive speed governing, adopt the power of the first scheme electrical motor larger than the motor power (output) of first scheme, energy consumption when simultaneously using and the manufacturing cost of hoisting crane large, therefore the form of lifting mechanism at present more adopts the second way, refer to shown in Fig. 1, Fig. 1 is the structural representation of traditional lifting mechanism for hoisting crane, traditional lifting mechanism comprises electrical motor 10, the output shaft of described electrical motor 10 is connected with change-speed box 12 by a set of coupler 11, described change-speed box 12 is connected with retarder 13 by another set of coupler 11 again, described retarder 13 connects reel 14 again, and drg 15 is installed in the side corresponding to retarder 13, this form had both increased the scope of layout, connect owing to adding a few place again, the complete machine layout of hoisting crane is affected greatly, make deadweight during crane loading larger, reduce equipment reliability of operation.
Summary of the invention
The object of the present invention is to provide a kind of lifting mechanism for hoisting crane, it has the advantages that to save space, be convenient to hoisting crane complete machine layout and serviceability, to solve in prior art for crane hoisting mechanism Problems existing.
For reaching this object, the present invention by the following technical solutions:
A kind of lifting mechanism for hoisting crane, it comprises actuating device, speed reduction gearing, coupler and reel, wherein, described actuating device is connected with speed reduction gearing by coupler, described speed reduction gearing connects reel, described speed reduction gearing comprises casing, in described casing, input shaft is set, output shaft, tween drive shaft, intermediate gear and final-stage gear, described input shaft, output shaft and tween drive shaft is rotating is arranged in casing, described intermediate gear is installed on tween drive shaft, described final-stage gear to be installed on output shaft and to engage with tween drive shaft, in described casing, variable shaft and shift handle are also installed, described variable shaft connects dual gear by spline slide, and it is spacing that described variable shaft installs low speed, described input shaft is installed low variable gear and high variable gear, and it is spacing described input shaft to be installed high speed, described shift handle connects shifting shaft, described shifting shaft connects one end of shift fork, the other end of described shift fork connects dual gear.
Especially, described actuating device is electrical motor.
Especially, described speed reduction gearing is also provided with drg.
Especially, described input shaft is installed on casing by end ball-bearing casing.
Especially, described tween drive shaft and output shaft are installed on casing respectively by tween drive shaft cone bearing and output shaft cone bearing.
Beneficial effect of the present invention is, compared with prior art space saved by the described lifting mechanism for hoisting crane, saved the arrangement space of hoisting crane, and reliable stable, commonality is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional lifting mechanism for hoisting crane;
Fig. 2 is the structural representation of the lifting mechanism for hoisting crane that the specific embodiment of the invention 1 provides;
Fig. 3 is the section-drawing of the speed reduction gearing of the lifting mechanism for hoisting crane that the specific embodiment of the invention 1 provides.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Refer to shown in Fig. 2 and Fig. 3, in the present embodiment, a kind of lifting mechanism for hoisting crane comprises electrical motor 20, speed reduction gearing 22, coupler 21 and reel 23, wherein, described electrical motor 20 is connected with speed reduction gearing 22 by coupler 21, described speed reduction gearing 22 connects reel 23, described speed reduction gearing 22 installs drg 24 relative to the opposite side connecting reel 23, described speed reduction gearing 22 comprises casing 1, in described casing 1, input shaft 2 is set, output shaft 3, tween drive shaft 4, intermediate gear 5 and final-stage gear 6, described input shaft 2 is installed on casing 1 by end ball-bearing casing 7, described tween drive shaft 4 and output shaft 3 are installed on casing 1 respectively by tween drive shaft cone bearing 8 and output shaft cone bearing 9, described intermediate gear 5 is installed on tween drive shaft 4, described final-stage gear 6 to be installed on output shaft 3 and to engage with tween drive shaft 4, also variable shaft 100 is installed by variable shaft cone bearing 130 in described casing 1, described variable shaft 100 connects dual gear 110 by spline slide, and described variable shaft 100 installs low speed spacing 120, described input shaft 2 installs low variable gear 140 and high variable gear 150, and described input shaft 2 installs high speed spacing 160.
Described casing 1 arranges shift handle 25, and described shift handle 25 connects shifting shaft 26, and described shifting shaft 26 connects one end of shift fork, and the other end of described shift fork connects dual gear 110.
During work, it is neutral when shift handle 25 mediates, when under shift handle 25 is allocated to, for low gear, now, motor is by input shaft 2 input power, dual gear 110 engages with low variable gear 140, variable shaft 100 is driven by dual gear 110, intermediate gear 5, final-stage gear 6, output shaft 3 outputting power, when shift handle 25 is allocated to upper, for high speed gear, now, motor is by input shaft 2 input power, dual gear 110 engages with high variable gear 150, variable shaft 100 is driven by dual gear 110, intermediate gear 5, final-stage gear 6, output shaft 3 outputting power.
Claims (4)
1. the lifting mechanism for hoisting crane, it comprises actuating device, speed reduction gearing, coupler and reel, it is characterized in that, described actuating device is connected with speed reduction gearing by coupler, described speed reduction gearing connects reel, described speed reduction gearing comprises casing, in described casing, input shaft is set, output shaft, tween drive shaft, intermediate gear and final-stage gear, described input shaft, output shaft and tween drive shaft is rotating is arranged in casing, described intermediate gear is installed on tween drive shaft, described final-stage gear to be installed on output shaft and to engage with tween drive shaft, in described casing, variable shaft and shift handle are also installed, described variable shaft connects dual gear by spline slide, and it is spacing that described variable shaft installs low speed, described input shaft is installed low variable gear and high variable gear, and it is spacing described input shaft to be installed high speed, described shift handle connects shifting shaft, described shifting shaft connects one end of shift fork, the other end of described shift fork connects dual gear, described tween drive shaft and output shaft are installed on casing respectively by tween drive shaft cone bearing and output shaft cone bearing.
2. the lifting mechanism for hoisting crane according to claim 1, is characterized in that, described actuating device is electrical motor.
3. the lifting mechanism for hoisting crane according to claim 1, is characterized in that, described speed reduction gearing is also provided with drg.
4. the lifting mechanism for hoisting crane according to claim 1, is characterized in that, described input shaft is installed on casing by end ball-bearing casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210209709.3A CN102718163B (en) | 2012-06-21 | 2012-06-21 | A kind of lifting mechanism for hoisting crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210209709.3A CN102718163B (en) | 2012-06-21 | 2012-06-21 | A kind of lifting mechanism for hoisting crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102718163A CN102718163A (en) | 2012-10-10 |
| CN102718163B true CN102718163B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210209709.3A Active CN102718163B (en) | 2012-06-21 | 2012-06-21 | A kind of lifting mechanism for hoisting crane |
Country Status (1)
| Country | Link |
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| CN (1) | CN102718163B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127546A (en) * | 2018-12-07 | 2019-08-16 | 中国煤炭科工集团太原研究院有限公司 | A kind of self-supporting inverter-fed traction winch |
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| US6036174A (en) * | 1996-02-27 | 2000-03-14 | Fr. Andersens Maskinfabrik A/S | Dual speed winch using one-way clutches operating in opposite directions |
| 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 |
| CN101469606A (en) * | 2008-06-16 | 2009-07-01 | 宋振才 | Chain type oil pump |
| CN201377553Y (en) * | 2009-03-10 | 2010-01-06 | 北京瑞德信通用机械设备制造有限公司 | Dual drive speed changing device |
| CN101704340A (en) * | 2009-11-26 | 2010-05-12 | 锦州汉拿电机有限公司 | Power assembly for two-shift motor vehicle |
| CN201460890U (en) * | 2009-08-25 | 2010-05-12 | 石家庄中煤装备制造有限公司 | Speed-changing excavator |
| CN102207191A (en) * | 2011-02-28 | 2011-10-05 | 中国北方车辆研究所 | Screw type gear shift executing mechanism for mechanical type automatic transmission system |
| CN202687837U (en) * | 2012-06-21 | 2013-01-23 | 无锡市协兴港口机械有限公司 | Lifting mechanism for crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0818793B2 (en) * | 1994-04-04 | 1996-02-28 | 株式会社岡本製作所 | winch |
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2012
- 2012-06-21 CN CN201210209709.3A patent/CN102718163B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6036174A (en) * | 1996-02-27 | 2000-03-14 | Fr. Andersens Maskinfabrik A/S | Dual speed winch using one-way clutches operating in opposite directions |
| 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 |
| CN101469606A (en) * | 2008-06-16 | 2009-07-01 | 宋振才 | Chain type oil pump |
| CN201377553Y (en) * | 2009-03-10 | 2010-01-06 | 北京瑞德信通用机械设备制造有限公司 | Dual drive speed changing device |
| CN201460890U (en) * | 2009-08-25 | 2010-05-12 | 石家庄中煤装备制造有限公司 | Speed-changing excavator |
| CN101704340A (en) * | 2009-11-26 | 2010-05-12 | 锦州汉拿电机有限公司 | Power assembly for two-shift motor vehicle |
| CN102207191A (en) * | 2011-02-28 | 2011-10-05 | 中国北方车辆研究所 | Screw type gear shift executing mechanism for mechanical type automatic transmission system |
| CN202687837U (en) * | 2012-06-21 | 2013-01-23 | 无锡市协兴港口机械有限公司 | Lifting mechanism for crane |
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| Publication number | Publication date |
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| CN102718163A (en) | 2012-10-10 |
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