CN201545622U - Hoisting mechanism of tower crane - Google Patents
Hoisting mechanism of tower crane Download PDFInfo
- Publication number
- CN201545622U CN201545622U CN2009202436537U CN200920243653U CN201545622U CN 201545622 U CN201545622 U CN 201545622U CN 2009202436537 U CN2009202436537 U CN 2009202436537U CN 200920243653 U CN200920243653 U CN 200920243653U CN 201545622 U CN201545622 U CN 201545622U
- Authority
- CN
- China
- Prior art keywords
- tower crane
- retarder
- gear
- reel
- hoisting mechanism
- 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.)
- Expired - Lifetime
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Abstract
A hoisting mechanism of a tower crane belongs to the technical field of hoisting machinery, and comprises a motor, a coupler, a speed reducer, a drum and a frame, wherein the speed reducer comprises an arc gear/conical gear drive pair and a planetary gear drive pair connected with a drive shaft of an arc gear, the drum is supported on a bearing block, and the speed reducer and the drum are connected by a splined shaft. The hoisting mechanism has compact structure, excellent manufacture and assembly technology, little noise and low cost, and capability of improving drive efficiency and stability, can replace a hoisting mechanism of a traditional tower crane, and is further suitable for a boom luffing mechanism of a tower crane.
Description
Technical field
The utility model relates to the lifting mechanism of tower crane, belongs to the elevator machinery technical field.
Background technology
The lifting mechanism of tower crane mostly is made of motor, coupler, retarder, reel at present, its retarder is secondary and form with the cylindric spiral gear of gear with curved teeth propeller shaft couplings by gear with curved teeth/bevel drive, shortcoming is that volume and weight is all big, and transmission stability and noise objective are all not ideal enough.In addition, the output shaft of retarder is the cylinder output shaft, adopts flat key to connect reel and drives the reel motion, the diametral load that retarder meeting bearing load brings when work, make retarder output torque under the situation of bearing radial force, work under bad environment has a strong impact on its work life.Another shortcoming that flat key connects form is that the big more assembling of type is difficult more.
The utility model content
The purpose of this utility model is the above-mentioned shortcoming that overcomes prior art, and a kind of volume is little, coupling reliability is high, the stable transmission lifting mechanism for tower crane provides.
The lifting mechanism of this tower crane is made up of motor, coupler, retarder, reel, frame, described retarder is formed by gear with curved teeth/bevel drive pair with the epicyclic gear transmission of gear with curved teeth propeller shaft couplings is secondary, described reel is bearing on the bearing seat, adopts castellated shaft to connect between retarder and the reel.
The utility model is by changing the version of retarder, original retarder secondary by gear with curved teeth/bevel drive and that cylindric spiral gear is formed is changed into by gear with curved teeth/bevel drive pair and the retarder formed with the epicyclic gear transmission pair of gear with curved teeth propeller shaft couplings, reduced the volume and the weight of retarder.By being set, a bearing seat comes supporting drum, bear the weight of reel by this bearing seat, avoided the diametral load of load, thereby improved driving efficiency and transmission stability applying on the reducer output shaft, improve the working environment of retarder, be of value to the service life that prolongs retarder.Use castellated shaft instead between retarder and the reel and connect transmission, under the prerequisite of proof strength, it is littler that the output shaft diameter is made, and it is big to have solved former lifting mechanism weight, the problem of assembly process process difference.
Compare with aforementioned existing product, the advantage of this lifting mechanism is a compact conformation, has improved the mode of operation of retarder; Manufacturing and assembly process process are good, have improved driving efficiency and stationarity, and noise is little, and cost is low.The lifting mechanism of alternative existing tower crane uses, and also is suitable as the luffing jib mechanism of tower crane.
Below in conjunction with embodiment content of the present utility model is done further explanation.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation of retarder
The specific embodiment
As shown in Figure 1, this lifting mechanism is continued to use the existing structure form by motor 1, coupler 2, retarder 3, reel 4, frame 5 and is constituted.Referring to Fig. 2, described retarder 3 is made up of gear with curved teeth/bevel drive secondary 10 and the epicyclic gear transmission pair 12 that connects with gear with curved teeth transmission shaft 11, and this epicyclic gear transmission pair 12 can be selected the differential planet gear transmission for use, or other is as NGW epicyclic gear transmission pair.Utilize the transmitting ratio of epicyclic gear transmission pair big, efficient is high, running pulsation-free characteristics and implementation structure compactness, volume and weight are little.Described reel 4 is bearing on the bearing seat 7, and bearing seat 7 is made of bearing 13, oil sealing 14, bearing installation seat 15.Bearing seat 7 is to be installed on the casing of retarder 3 with hold-down bolt 8 in the present embodiment, and the load of reel is delivered to frame 5 by the casing of retarder, has realized the supporting role to reel, thereby has avoided loading in retarder.Bearing seat 7 also can be directly installed on the frame 5.Adopt castellated shaft 6 to connect between retarder and the reel.
Claims (1)
1. the lifting mechanism of a tower crane, form by motor, coupler, retarder, reel, frame, it is characterized in that described retarder is secondary and form with the epicyclic gear transmission of gear with curved teeth propeller shaft couplings is secondary by gear with curved teeth/bevel drive, described reel is bearing on the bearing seat, adopts castellated shaft to connect between retarder and the reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202436537U CN201545622U (en) | 2009-11-30 | 2009-11-30 | Hoisting mechanism of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202436537U CN201545622U (en) | 2009-11-30 | 2009-11-30 | Hoisting mechanism of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201545622U true CN201545622U (en) | 2010-08-11 |
Family
ID=42600788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202436537U Expired - Lifetime CN201545622U (en) | 2009-11-30 | 2009-11-30 | Hoisting mechanism of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201545622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803434A (en) * | 2014-02-13 | 2014-05-21 | 山东大汉建设机械有限公司 | Linkage double hoisting mechanisms of tower crane and speed regulating method |
-
2009
- 2009-11-30 CN CN2009202436537U patent/CN201545622U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803434A (en) * | 2014-02-13 | 2014-05-21 | 山东大汉建设机械有限公司 | Linkage double hoisting mechanisms of tower crane and speed regulating method |
| CN103803434B (en) * | 2014-02-13 | 2016-01-20 | 山东大汉建设机械股份有限公司 | The two lifting mechanism of a kind of tower crane linkage and speed regulating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU JIUHE BUILDING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SICHUAN JIUHE INDUSTRY CO., LTD. Effective date: 20140417 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610203 CHENGDU, SICHUAN PROVINCE TO: 610207 CHENGDU, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140417 Address after: 610207, No. two, section two, airport road 818, Southwest Economic Development Zone, Shuangliu County, Sichuan, Chengdu Patentee after: Chengdu Jiuhe Building Equipment Co., Ltd. Address before: Luo Han Lu, Sichuan city of Chengdu province Shuangliu County 610203 Peng Town Industrial Park B District No. 156 Patentee before: Sichuan Jiuhe Industry Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengdu Jiuhe Building Equipment Co., Ltd. Assignor: Sichuan Jiuhe Industry Co., Ltd. Contract record no.: 2014510000019 Denomination of utility model: Hoisting mechanism of tower crane Granted publication date: 20100811 License type: Exclusive License Record date: 20140328 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |