CN202687837U - Lifting mechanism for crane - Google Patents
Lifting mechanism for crane Download PDFInfo
- Publication number
- CN202687837U CN202687837U CN 201220298392 CN201220298392U CN202687837U CN 202687837 U CN202687837 U CN 202687837U CN 201220298392 CN201220298392 CN 201220298392 CN 201220298392 U CN201220298392 U CN 201220298392U CN 202687837 U CN202687837 U CN 202687837U
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- CN
- China
- Prior art keywords
- shaft
- gear
- lifting mechanism
- casing
- tween drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a lifting mechanism for a crane. The lifting mechanism comprises an electric motor, wherein the electric motor is connected with a speed reducer through a shaft coupler, the speed reducer is connected with a winding drum and comprises a box body, an input shaft, an output shaft and a middle shaft are rotatablely arranged in the box body, a middle gear is arranged on the middle shaft, a tail-stage gear is arranged on the output shaft and is engaged with the middle shaft, a speed change shaft and a gear shifting handle are also arranged in the box body, the speed change shaft is glidingly connected with a duplicate gear through spline, in addition, a low-speed position limiter is arranged on the speed change shaft, a lower speed change gear and a high speed change gear are arranged on the input shaft, in addition, a high speed position limiter is arranged on the input shaft, the gear shifting handle is connected with a gear shifting shaft, the gear shifting shaft is connected with one end of a shifting fork, and the other end of the shifting fork is connected with the duplicate gear. The lifting mechanism has the advantages that the space is saved, the layout space of the crane is saved, the operation is reliable and stable, and the generality is better.
Description
Technical field
The utility model relates to a kind of hoisting crane, relates in particular to a kind of lifting mechanism for hoisting crane.
Background technology
At present, the middle-size and small-size fixed crane that uses on the harbour, mostly adopt lifting pulley compensation, rope luffing, can adopt suspension hook to carry out large part loading and unloading, can adopt again grab bucket to carry out the bulk handling operation, requirement to crane hoisting mechanism, lifting velocity requires very fast when using the grab bucket operation, generally at 40～50 m/mins, lifting velocity is slower during to the operation of use suspension hook, generally below 20 m/mins, play the liter weight aspect, when using suspension hook play liter weight when using grab bucket to play liter weight large.
When lifting mechanism designs, mainly contain at present two kinds of design plans, the first is to adopt frequency control, the second is to adopt electrical motor to add change speed gear box to retarder, electrical motor adopts conventional rheostatic speed regulation, adopt the power of the first scheme electrical motor larger than the motor power (output) of first scheme, energy consumption when using simultaneously and the manufacturing cost of hoisting crane are large, therefore the form of lifting mechanism adopts the second way at present, see also shown in Figure 1, Fig. 1 is traditional structural representation that is used for the lifting mechanism of 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 cover 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 corresponding to a side of retarder 13 drg 15 is installed, this form had both increased the scope of layout, again owing to increased the connection of several places, complete machine layout to hoisting crane affects greatly, and the deadweight when making crane loading is larger, reduced the equipment reliability of operation.
The utility model content
The purpose of this utility model is to provide a kind of lifting mechanism for hoisting crane, and it has the advantages that to save the space, be convenient to hoisting crane complete machine layout and serviceability, is used for the problem that crane hoisting mechanism exists in the prior art to solve.
For reaching this purpose, the utility model 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 the 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 are rotating to be arranged in the casing, described intermediate gear is installed on the tween drive shaft, described 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 described casing, described variable shaft is by spline sliding block joint dual gear, and it is spacing that low speed is installed on the described variable shaft, low variable gear and high variable gear are installed on the described input shaft, and the installation high speed is spacing on the described input shaft, described shift handle connects shifting shaft, described shifting shaft connects an end of shift fork, and the other end of described shift fork connects dual gear.
Especially, described actuating device is electrical motor.
Especially, also be provided with drg on the described speed reduction gearing.
Especially, described input shaft is installed on the casing by the end ball-bearing casing.
Especially, described tween drive shaft and output shaft are installed on the casing by tween drive shaft cone bearing and output shaft cone bearing respectively.
The beneficial effects of the utility model are, compared with prior art described lifting mechanism for hoisting crane is saved the space, has saved the arrangement space of hoisting crane, and reliable stable, commonality is better.
Description of drawings
Fig. 1 is traditional structural representation that is used for the lifting mechanism of hoisting crane;
Fig. 2 is the structural representation of the lifting mechanism that is used for hoisting crane that provides of the utility model specific embodiment 1;
Fig. 3 is the section-drawing of the speed reduction gearing of the lifting mechanism that is used for hoisting crane that provides of the utility model specific embodiment 1.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
See also Fig. 2 and shown in Figure 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, with respect to the opposite side that connects reel 23 drg 24 is installed on the described speed reduction gearing 22, described speed reduction gearing 22 comprises casing 1, the described casing 1 interior input shaft 2 that arranges, output shaft 3, tween drive shaft 4, intermediate gear 5 and final-stage gear 6, described input shaft 2 is installed on the casing 1 by end ball-bearing casing 7, described tween drive shaft 4 and output shaft 3 are installed on the casing 1 by tween drive shaft cone bearing 8 and output shaft cone bearing 9 respectively, described intermediate gear 5 is installed on the tween drive shaft 4, described final-stage gear 6 is installed on the output shaft 3 and with tween drive shaft 4 and meshes, by variable shaft cone bearing 130 variable shaft 100 is installed also in the described casing 1, described variable shaft 100 is by spline sliding block joint dual gear 110, and low speed spacing 120 is installed on the described variable shaft 100, low variable gear 140 and high variable gear 150 are installed on the described input shaft 2, and high speed spacing 160 is installed on the described input shaft 2.
On the described casing 1 shift handle 25 is set, described shift handle 25 connects shifting shaft 26, and described shifting shaft 26 connects an 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 shift handle 25 is allocated to lower time, be low gear, at this moment, motor is by input shaft 2 input powers, dual gear 110 and low variable gear 140 engagements, drive variable shaft 100 by dual gear 110, intermediate gear 5, final-stage gear 6, output shaft 3 outputting powers when shift handle 25 was allocated to when upper, are high speed gear, at this moment, motor is by input shaft 2 input powers, and dual gear 110 and high variable gear 150 engagements drive variable shaft 100 by dual gear 110, intermediate gear 5, final-stage gear 6, output shaft 3 outputting powers.
Claims (5)
1. lifting mechanism that is used 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 the 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 are rotating to be arranged in the casing, described intermediate gear is installed on the tween drive shaft, described 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 described casing, described variable shaft is by spline sliding block joint dual gear, and it is spacing that low speed is installed on the described variable shaft, and low variable gear and high variable gear are installed on the described input shaft, and it is spacing that high speed is installed on the described input shaft, described shift handle connects shifting shaft, and described shifting shaft connects an end of shift fork, and the other end of described shift fork connects dual gear.
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, also is provided with drg on the described speed reduction gearing.
4. the lifting mechanism for hoisting crane according to claim 1 is characterized in that, described input shaft is installed on the casing by the end ball-bearing casing.
5. the lifting mechanism for hoisting crane according to claim 1 is characterized in that, described tween drive shaft and output shaft are installed on the casing by tween drive shaft cone bearing and output shaft cone bearing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298392 CN202687837U (en) | 2012-06-21 | 2012-06-21 | Lifting mechanism for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298392 CN202687837U (en) | 2012-06-21 | 2012-06-21 | Lifting mechanism for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202687837U true CN202687837U (en) | 2013-01-23 |
Family
ID=47543485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220298392 Withdrawn - After Issue CN202687837U (en) | 2012-06-21 | 2012-06-21 | Lifting mechanism for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202687837U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718163A (en) * | 2012-06-21 | 2012-10-10 | 无锡市协兴港口机械有限公司 | Lifting mechanism for hoist |
| CN103466484A (en) * | 2013-09-24 | 2013-12-25 | 常熟市永固起重设备安装工程有限公司 | Gear-type electric lifting platform |
| CN106006422A (en) * | 2016-08-10 | 2016-10-12 | 河南新科起重机股份有限公司 | Modular lifting speed reducer |
| CN109019327A (en) * | 2018-09-26 | 2018-12-18 | 东莞市台冠起重机械设备有限公司 | A kind of lifting mechanism of the crane for frequency control |
| CN111235336A (en) * | 2020-03-13 | 2020-06-05 | 中冶赛迪装备有限公司 | Energy-saving intelligent blast furnace skip feeding system |
-
2012
- 2012-06-21 CN CN 201220298392 patent/CN202687837U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718163A (en) * | 2012-06-21 | 2012-10-10 | 无锡市协兴港口机械有限公司 | Lifting mechanism for hoist |
| CN102718163B (en) * | 2012-06-21 | 2016-02-24 | 无锡市协兴港口机械有限公司 | A kind of lifting mechanism for hoisting crane |
| CN103466484A (en) * | 2013-09-24 | 2013-12-25 | 常熟市永固起重设备安装工程有限公司 | Gear-type electric lifting platform |
| CN106006422A (en) * | 2016-08-10 | 2016-10-12 | 河南新科起重机股份有限公司 | Modular lifting speed reducer |
| CN109019327A (en) * | 2018-09-26 | 2018-12-18 | 东莞市台冠起重机械设备有限公司 | A kind of lifting mechanism of the crane for frequency control |
| CN111235336A (en) * | 2020-03-13 | 2020-06-05 | 中冶赛迪装备有限公司 | Energy-saving intelligent blast furnace skip feeding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |