CN202643114U - High-lift hoisting mechanism of crane - Google Patents
High-lift hoisting mechanism of crane Download PDFInfo
- Publication number
- CN202643114U CN202643114U CN 201220315724 CN201220315724U CN202643114U CN 202643114 U CN202643114 U CN 202643114U CN 201220315724 CN201220315724 CN 201220315724 CN 201220315724 U CN201220315724 U CN 201220315724U CN 202643114 U CN202643114 U CN 202643114U
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- CN
- China
- Prior art keywords
- output shaft
- cable reel
- retarder
- folding cable
- reel
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- Expired - Lifetime
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Abstract
The utility model discloses a high-lift hoisting mechanism of a crane and relates to the crane. The utility model aims to solve the problem that the actual requirement cannot be met due to the fact that the hoisting lift of a traditional hoisting mechanism is slightly increased. The high-lift hoisting mechanism of the crane is characterized in that double-output shaft motors, brake devices, couplings, speed reducers and polygonal line drums form a left mechanism and a right mechanism which are symmetrically arranged at both sides of the center line, wherein one end of a left double-output shaft motor is provided with a first left brake device; the other end of the left double-output shaft motor is connected with a high speed shaft of a left speed reducer through a left coupling and a second left brake device; a low speed shaft of the left speed reducer is connected with a left polygonal line drum; the tail part of the left polygonal line drum is provided with a left rotary limit switch; one end of a right double-output shaft motor is provided with a first right brake device; the other end of the right double-output shaft motor is connected with a high speed shaft of a right speed reducer through a right coupling and a second right brake device; a low speed shaft of the right speed reducer is connected with a right polygonal line drum; and the tail part of the right polygonal line drum is provided with a right rotary limit switch. The requirements of an ultrahigh-lift crane can be met by the high-lift hoisting mechanism of the crane.
Description
Technical field
The utility model relates to hoisting crane, particularly the lifting mechanism of the high hoisting crane of a kind of Da Yang.
Background technology
In order to increase the lifting altitude of hoisting crane, Adopts measure is to strengthen the lifting mechanism drum diameter or increase reel length usually, and this scheme not only mechanism is heavy, and manufacturing cost is high.Prior art also has the lifting mechanism that adopts single broken line reel to realize multiple wraps, hoists and raises height although can increase some, and for the needs high occasion of Da Yang more, this scheme does not still satisfy needs.
Summary of the invention
The purpose of this utility model is exactly the shortcoming that exists for prior art, and a kind of high lifting mechanism of Da Yang of hoisting crane is provided, and solves existing lifting mechanism and hoists to raise and highly increase littlely, does not satisfy the problem of actual needs.
The utility model is achieved through the following technical solutions.
The high lifting mechanism of a kind of Da Yang of hoisting crane, comprise: two output shaft electric machines, two output shaft electric machine one ends are installed brake gear, the other end passes through coupler, brake gear connects with high-speed shaft of speed reducer, the retarder slow-speed shaft connects with broken line reel, it is characterized in that: described pair of output shaft electric machine, brake gear, coupler, retarder, broken line reel be symmetrical in line of centers about two cover mechanisms: left two output shaft electric machine one ends are installed No. 1 left brake gear, the other end is by Left-wing Federation's axial organ, No. 2 left brake gears connect the high speed shaft of left retarder, the slow-speed shaft of left retarder connects the left folding cable reel, and left folding cable reel afterbody is equipped with the anticlockwise limit switch; Right two output shaft electric machine one ends are installed No. 1 right brake gear, and the other end connects the high speed shaft of right retarder by right coupler, No. 2 right brake gears, and the slow-speed shaft of right retarder connects the right folding cable reel, and right folding cable reel afterbody is equipped with the right rotation limit switch.
Described left folding cable reel is opposite with the spiral drum slot rotation direction of described right folding cable reel.
By the fixing steel rope of pressing plate, after steel rope was walked around pulley on the suspender, the other end was fixed on the described right folding cable reel by pressing plate on the described left folding cable reel.
Described suspender is parallel four-bar linkage structure.
The utility model compared with prior art owing to adopted broken line reel, can make the neat multiple wraps on reel of steel rope, has increased the winding number of turns of steel rope, has not only increased lifting altitude, and has reduced the wearing and tearing between the steel rope.Owing to adopt the dual slope reel to be arranged symmetrically with, two cover mechanisms have become a great institutions by the line of centers Symmetric Composite, and therefore, the utility model is raised height than the lifting mechanism of single broken line reel and doubled.The utility model can satisfy the needs that super large is raised high hoisting crane.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the wirerope-winding scheme drawing;
Fig. 3 is parallel four connecting rod suspender figure.
The utility model is further described by preferred embodiment below in conjunction with accompanying drawing.
The specific embodiment
As shown in Figure 1, the high lifting mechanism of a kind of Da Yang of hoisting crane, comprise: two output shaft electric machines, two output shaft electric machine one ends are installed brake gear, the other end passes through coupler, brake gear connects with high-speed shaft of speed reducer, the retarder slow-speed shaft connects with broken line reel, described pair of output shaft electric machine, brake gear, coupler, retarder, broken line reel be symmetrical in line of centers about two cover mechanisms: left two output shaft electric machine 2 one ends are installed No. 1 left brake gear 1, the other end is by the high speed shaft of Left-wing Federation's axial organ 3 and No. 2 left retarders 5 of left brake gear 4 connections, the slow-speed shaft of left retarder 5 connects left folding cable reel 6, and left folding cable reel 6 afterbodys are equipped with anticlockwise limit switch 7; Right two output shaft electric machine 9 one ends are installed No. 1 right brake gear 8, the other end is by the high speed shaft of right coupler 10 and No. 2 right retarders 12 of right brake gear 11 connections, the slow-speed shaft of right retarder 12 connects right folding cable reel 13, and right folding cable reel 13 afterbodys are equipped with right rotation limit switch 14.
As shown in Figure 2, steel rope 15 1 ends are fixed on the left folding cable reel 6 by pressing plate, walk around the pulley on the suspender 16 after, the other end is fixed on the right folding cable reel 13 by pressing plate.Left folding cable reel 6 is the same with length with right folding cable reel 13 diameters, and the spiral drum slot rotation direction is opposite.
As shown in Figure 3, suspender 16 is parallel four-bar linkage structure, can regulate the diff-H of suspender movable pulley in the operational process.
The utility model reaches the effect that increases lifting altitude by the winding number of turns that increases steel rope and the winding multiplying power (multiplying power is 1) that reduces steel rope.The winding number of turns measure that increases steel rope is: adopt broken line reel, broken line reel can make the neat multiple wraps on reel of steel rope, reduces the wearing and tearing between the steel rope.The winding multiplying power measure that reduces steel rope is: adopt the dual slope reel to be arranged symmetrically with, wire rope of sling total points number is 4, and dividing number around the steel rope that enters reel is 4, so the multiplying power of mechanism is 1.The pattern that the dual slope reel is arranged symmetrically with is raised height than the pattern of single broken line reel lifting mechanism and is doubled.The steel rope that adopts is not for rotating, the face contact, having discharged the dedicated multi-layered lay winding wire ropes of screwing force.
But mechanism's synchronous rotary of Fig. 1 line of centers both sides rises suspender or descends, and also can rotate separately suspender to be risen or decline.Mechanism controls the rotating cycle of reel by the rotary stopper switch that is installed in the reel afterbody.
Claims (4)
1. the high lifting mechanism of the Da Yang of a hoisting crane, comprise: two output shaft electric machines, two output shaft electric machine one ends are installed brake gear, the other end passes through coupler, brake gear connects with high-speed shaft of speed reducer, the retarder slow-speed shaft connects with broken line reel, it is characterized in that: described pair of output shaft electric machine, brake gear, coupler, retarder, broken line reel be symmetrical in line of centers about two cover mechanisms: left two output shaft electric machine (2) one ends are installed No. 1 left brake gears (1), the other end connects the high speed shaft of left retarder (5) by Left-wing Federation's axial organ (3) and No. 2 left brake gears (4), the slow-speed shaft of left retarder (5) connects left folding cable reel (6), and left folding cable reel (6) afterbody is equipped with anticlockwise limit switch (7); Right two output shaft electric machine (9) one ends are installed No. 1 right brake gear (8), the other end connects the high speed shaft of right retarder (12) by right coupler (10) and No. 2 right brake gears (11), the slow-speed shaft of right retarder (12) connects right folding cable reel (13), and right folding cable reel (13) afterbody is equipped with right rotation limit switch (14).
2. the high lifting mechanism of the Da Yang of described hoisting crane according to claim 1, it is characterized in that: described left folding cable reel (6) is opposite with the spiral drum slot rotation direction of described right folding cable reel (13).
3. the high lifting mechanism of the Da Yang of described hoisting crane according to claim 1, it is characterized in that: described left folding cable reel (6) is upper by the fixing steel rope (15) of pressing plate, after steel rope (15) was walked around pulley on the suspender (16), the other end was fixed on the described right folding cable reel (13) by pressing plate.
4. the high lifting mechanism of the Da Yang of described hoisting crane according to claim 3, it is characterized in that: described suspender (16) is parallel four-bar linkage structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315724 CN202643114U (en) | 2012-06-21 | 2012-06-21 | High-lift hoisting mechanism of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315724 CN202643114U (en) | 2012-06-21 | 2012-06-21 | High-lift hoisting mechanism of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202643114U true CN202643114U (en) | 2013-01-02 |
Family
ID=47412251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220315724 Expired - Lifetime CN202643114U (en) | 2012-06-21 | 2012-06-21 | High-lift hoisting mechanism of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202643114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466954A (en) * | 2018-06-14 | 2018-08-31 | 上海振华重工(集团)股份有限公司 | A kind of driving device and travelling jack |
| CN112520619A (en) * | 2020-12-16 | 2021-03-19 | 大冶特殊钢有限公司 | Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block |
-
2012
- 2012-06-21 CN CN 201220315724 patent/CN202643114U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466954A (en) * | 2018-06-14 | 2018-08-31 | 上海振华重工(集团)股份有限公司 | A kind of driving device and travelling jack |
| CN112520619A (en) * | 2020-12-16 | 2021-03-19 | 大冶特殊钢有限公司 | Crown block brake mounting structure capable of being used for tonnage of 15T to 50T and crown block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |