CN204704334U - Heavy tower crane gearbox - Google Patents
Heavy tower crane gearbox Download PDFInfo
- Publication number
- CN204704334U CN204704334U CN201520023961.4U CN201520023961U CN204704334U CN 204704334 U CN204704334 U CN 204704334U CN 201520023961 U CN201520023961 U CN 201520023961U CN 204704334 U CN204704334 U CN 204704334U
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- CN
- China
- Prior art keywords
- gear
- clutch
- gears
- shaft
- axle
- 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- Withdrawn - After Issue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
Heavy tower crane gearbox, it is primarily of box part, input block, first clutch parts, second clutch parts, intermediate shaft part, speed reducer one spindle unit, speed reducer two spindle unit, output shaft assembly and control member composition, and described each parts are installed on the casing of box part; Described input block comprises an input shaft, and an input gear interference is mounted on input shaft; Described first clutch parts comprise a first clutch axle, by the first clutch shell gear that spline is connected with described first clutch axle, be placed in the first clutch shell gear left and right sides 3 gear clutches and 1 gear clutch, and above-mentioned 3 gear clutches and 1 gear clutch separately outside 3 gear gears and 1 keep off gear; Described second clutch parts comprise a second clutch axle, the second clutch shell gear be connected with described second clutch axle by spline, are placed in 4 gear clutches and the 2 gear clutches of the second clutch shell gear left and right sides.
Description
Technical field
The utility model relates to a kind of heavy tower crane gearbox being realized gearshift by hydraulic coupling, belongs to the dynamic power machine drive technology field that tower crane is special.
Background technique
In existing mechanical type tower crane transmission system, adopt driven by motor speed reducer, then connect the form of winch, because the torque range of common electric machine is narrower, and efficiency is lower under off rating, can not play the power of motor well.And select frequency modulation motor to replace common electric machine, its speed adjustable range is narrower, and in the operating mode of low-speed big, need the frequency modulation motor selecting power larger, Economy is poor.The transmission scheme of existing gearbox acceleration and deceleration case, is that two gear-boxes independently exist, is set up comparatively numerous and diverse at cloth, and adds intermediate connecting ring joint, reduces transmission efficiency and reliable transmission.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art existence, and provides a kind of compact structure, and integral arrangement is reasonable, and user cost is low, energy-conservation, not only simplify linkage structure, and can also improve the heavy tower crane gearbox of transmission efficiency and reliability.
The purpose of this utility model has been come by following technical solution, it is primarily of box part, input block, first clutch parts, second clutch parts, intermediate shaft part, speed reducer one spindle unit, speed reducer two spindle unit, output shaft assembly and control member composition, and described each parts are installed on the casing of box part;
Described input block comprises an input shaft, and an input gear interference is mounted on input shaft;
Described first clutch parts comprise a first clutch axle, by the first clutch shell gear that spline is connected with described first clutch axle, be placed in the first clutch shell gear left and right sides 3 gear clutches and 1 gear clutch, and above-mentioned 3 gear clutches and 1 gear clutch separately outside 3 gear gears and 1 keep off gear;
Described second clutch parts comprise a second clutch axle, by the second clutch shell gear that spline is connected with described second clutch axle, be placed in 4 gear clutches and the 2 gear clutches of the second clutch shell gear left and right sides, and above-mentioned 4 gear clutches and 2 gear clutches separately outside 4 gear gears and 2 keep off gears, a transition gear interference is mounted on 2 gear gears;
Described intermediate shaft part comprises an intermediate gear shaft, and interference is connected to jack shaft 1 gear on described intermediate gear shaft and jack shaft 2 gear;
Described speed reducer 1 spindle unit comprises one 1 shaftgear axles, and interference is connected to 1 grade of reduction gear on described 1 shaftgear axle;
Described speed reducer 2 spindle unit comprises one 2 shaftgear axles, and interference is connected to 2 grades of reduction gear on described 2 shaftgear axles;
Described output shaft assembly comprises an output gear shaft;
Described first clutch shell gear engages respectively with input gear and second clutch shell gear, 1 gear gear engages with transition gear, 2 gear gear and jack shaft 2 gears meshing, 4 gear gears and 3 keep off gear and jack shaft 1 gears meshing, intermediate gear shaft engages with 1 grade of reduction gear, 1 shaftgear axle engages with 2 grades of reduction gear, and 2 shaftgear axles engage with output gear shaft.
Input shaft described in the utility model, first clutch axle, second clutch axle, intermediate gear shaft, 1 shaftgear axle, 2 shaftgear axles, output gear shaft respectively by bearings on casing;
The wet-type multi-chip friction clutch that structure is identical selected respectively by described 1 gear clutch, 2 gear clutches, 3 gear clutches, 4 gear clutches; Described control member is formed primarily of the control valve 1 gear clutch can being selected to combine or 2 gear clutches combine or 3 gear clutches combine or 4 gear clutches combine.
The utility model realizes gearshift by the combination of wet friction clutch, the combination of clutch is controlled by control valve with disengagement, and shift process is easy to realize, and reduces manipulator's labor intensity, improve working efficiency, can distant control be realized by electric liquid manipulation.
The velocity ratio that the utility model has 4 gears is available, in a big way cover various operating mode, improve the utilization efficiency of motor; The utility model, with an input interface and output interface, is respectively used to connect motor and output unit, simultaneously also with two break connection mouths, can be used for connecting braking device; In addition the utility model is integrated with gearbox and speed reducer part, has the features such as speed ratio is large, compact structure, simplifies linkage structure, thus improve operational safety.
Accompanying drawing explanation
Fig. 1 is drive mechanism schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, detailed introduction is done to the utility model: shown in Fig. 1, the utility model forms primarily of box part I, control member II, input block III, first clutch parts IV, second clutch parts V, intermediate shaft part VI, speed reducer 1 spindle unit VII, speed reducer 2 spindle unit VIII and output shaft assembly Ⅸ, and described each parts are installed on the casing 25 of box part I;
Described input block III comprises input shaft 1, input gear 2 interference and is mounted on input shaft 1;
Described first clutch parts IV comprise a first clutch axle 3, by the first clutch shell gear 6 that spline is connected with described first clutch axle 3, the 3 gear clutches 5 and 1 being placed in first clutch shell gear 6 left and right sides keep off clutch 7, and the 3 gear gears 4 and 1 in the above-mentioned 3 respective outsides of gear clutches 5 and 1 gear clutches 7 keep off gear 8;
Described second clutch parts V comprise a second clutch axle 9, by the second clutch shell gear 12 that spline is connected with described second clutch axle 9, the 4 gear clutches 11 and 2 being placed in second clutch shell gear 12 left and right sides keep off clutch 13, and above-mentioned 4 gear clutches 11 and 2 keep off clutches 13 separately the 4 gear gears 10 and 2 in outside keep off the interference of gear 15, transition gear 14 and be mounted on 2 gear gears 15;
Described intermediate shaft part VI comprises an intermediate gear shaft 16, and interference is connected to jack shaft 1 gear 17 on described intermediate gear shaft 16 and jack shaft 2 gear 18;
Described speed reducer 1 spindle unit VII comprises one 1 shaftgear axles 19, and interference is connected to 1 grade of reduction gear 20 on described 1 shaftgear axle 19; Described speed reducer 2 spindle unit VIII comprises one 2 shaftgear axles 21, and interference is connected to 2 grades of reduction gear 22 on described 2 shaftgear axles 21;
Described output shaft assembly Ⅸ comprises an output gear shaft 23;
Described first clutch shell gear 6 engages respectively with input gear 2 and second clutch shell gear 12,1 gear gear 8 engages with transition gear 14,2 gear gears 15 engage with jack shaft 2 gear 18,4 gear gears 10 and 3 keep off gear 4 and jack shaft 1 gear 17 engages, intermediate gear shaft 16 engages with 1 grade of reduction gear 20,1 shaftgear axle 19 engages with 2 grades of reduction gear 22, and 2 shaftgear axles 21 engage with output gear shaft 23.
Described input shaft 1, first clutch axle 3, second clutch axle 9, intermediate gear shaft 16,1 shaftgear axle 19,2 shaftgear axle 21, output gear shaft 23 by bearings on casing 25.
What described 1 gear clutch 7,2 gear clutch 13,3 gear clutch 5,4 gear clutch 11 was selected is the wet-type multi-chip friction clutch that structure is identical; Described control member II is formed primarily of the control valve 24 1 gear clutch 7 can being selected to combine or 2 gear clutches 13 combine or 3 gear clutches 5 combine or 4 gear clutches 11 combine.
Working principle of the present utility model is:
Control valve 24 controls 1 gear clutch 7 and combines, power is input to input shaft 1 → input gear 2 → first clutch shell gear 6 → 1 gear clutch 7 → 1 and keeps off gear 8 → transition gear 14 → 2 gear gear 15 → jack shaft 2 gear 18 → intermediate gear shaft, 16 → 1 grades of reduction gear 20 → 1 shaftgear axles 19 → 2 grades of reduction gear 22 → 2 shaftgear axle 21 → output gear shafts 23, and this keeps off for advance 1;
Control valve 24 controls 2 gear clutches 13 and combines, power is input to input shaft 1 → input gear 2 → first clutch shell gear 6 → second clutch shell gear 12 → 2 gear clutch 13 → 2 and keeps off gear 15 → jack shaft 2 gear 18 → intermediate gear shaft, 16 → 1 grades of reduction gear 20 → 1 shaftgear axles 19 → 2 grades of reduction gear 22 → 2 shaftgear axle 21 → output gear shafts 23, and this keeps off for advance 2;
Control valve 24 controls 3 gear clutches 5 and combines, power is input to input shaft 1 → input gear 2 → first clutch shell gear 6 → 3 gear clutch 5 → 3 and keeps off gear 4 → 4 gear gear 10 → jack shaft 1 gear 17 → intermediate gear shaft, 16 → 1 grades of reduction gear 20 → 1 shaftgear axles 19 → 2 grades of reduction gear 22 → 2 shaftgear axle 21 → output gear shafts 23, and this keeps off for advance 3;
Control valve 24 controls 4 gear clutches 11 and combines, power is input to input shaft 1 → input gear 2 → first clutch shell gear 6 → second clutch shell gear 12 → 4 gear clutch 11 → 4 and keeps off gear 10 → jack shaft 1 gear 17 → intermediate gear shaft, 16 → 1 grades of reduction gear 20 → 1 shaftgear axles 19 → 2 grades of reduction gear 22 → 2 shaftgear axle 21 → output gear shafts 23, and this keeps off for advance 4.
Claims (2)
1. heavy tower crane gearbox, it forms primarily of box part (I), control member (II), input block (III), first clutch parts (IV), second clutch parts (V), intermediate shaft part (VI), speed reducer 1 spindle unit (VII), speed reducer 2 spindle unit (VIII) and output shaft assembly (Ⅸ); It is characterized in that described each parts are installed on the casing (25) of box part (I);
Described input block (III) comprises an input shaft (1), and an input gear (2) interference is mounted on input shaft (1);
Described first clutch parts (IV) comprise a first clutch axle (3), by the first clutch shell gear (6) that spline is connected with described first clutch axle (3), be placed in 3 gears clutch (5) and 1 gear clutch (7) of first clutch shell gear (6) left and right sides, and above-mentioned 3 gears clutch (5) and 1 keep off 3 gears gear (4) and 1 gear gear (8) in the respective outside of clutch (7);
Described second clutch parts (V) comprise a second clutch axle (9), by the second clutch shell gear (12) that spline is connected with described second clutch axle (9), be placed in 4 gears clutch (11) and 2 gears clutch (13) of second clutch shell gear (12) left and right sides, and above-mentioned 4 gears clutch (11) and 2 keep off 4 gears gear (10) and 2 gears gear (15) in the respective outside of clutch (13), a transition gear (14) interference is mounted on 2 gear gears (15);
Described intermediate shaft part (VI) comprises an intermediate gear shaft (16), and interference is connected to jack shaft 1 gear (17) on described intermediate gear shaft (16) and jack shaft 2 gear (18);
Described speed reducer 1 spindle unit (VII) comprises one 1 shaftgear axles (19), and interference is connected to 1 grade of reduction gear (20) on described 1 shaftgear axle (19);
Described speed reducer 2 spindle unit (VIII) comprises one 2 shaftgear axles (21), and interference is connected to 2 grades of reduction gear (22) on described 2 shaftgear axles (21);
Described output shaft assembly (Ⅸ) comprises an output gear shaft (23);
Described first clutch shell gear (6) engages respectively with input gear (2) and second clutch shell gear (12), 1 gear gear (8) engages with transition gear (14), 2 gears gear (15) engage with jack shaft 2 gear (18), 4 gears gear (10) keep off gear (4) with 3 and jack shaft 1 gear (17) engages, intermediate gear shaft (16) engages with 1 grade of reduction gear (20), 1 shaftgear axle (19) engages with 2 grades of reduction gear (22), and 2 shaftgear axles (21) engage with output gear shaft (23).
2. heavy tower crane gearbox according to claim 1, is characterized in that described input shaft (1), first clutch axle (3), second clutch axle (9), intermediate gear shaft (16), 1 shaftgear axle (19), 2 shaftgear axles (21), output gear shaft (23) are supported on casing (25) by respective bearing respectively;
Described 1 gear clutch (7), 2 gears clutch (13), 3 gears clutch (5), 4 gears clutch (11) select the wet-type multi-chip friction clutch that structure is identical respectively; Described control member (II) is formed primarily of the control valve (24) 1 gear clutch (7) can being selected to combine or 2 gears clutch (13) combine or 3 gears clutch (5) combine or 4 gears clutch (11) combine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023961.4U CN204704334U (en) | 2015-01-14 | 2015-01-14 | Heavy tower crane gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023961.4U CN204704334U (en) | 2015-01-14 | 2015-01-14 | Heavy tower crane gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704334U true CN204704334U (en) | 2015-10-14 |
Family
ID=54283953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023961.4U Withdrawn - After Issue CN204704334U (en) | 2015-01-14 | 2015-01-14 | Heavy tower crane gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595426A (en) * | 2015-01-14 | 2015-05-06 | 杭州前进齿轮箱集团股份有限公司 | Gearbox for heavy tower crane |
-
2015
- 2015-01-14 CN CN201520023961.4U patent/CN204704334U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595426A (en) * | 2015-01-14 | 2015-05-06 | 杭州前进齿轮箱集团股份有限公司 | Gearbox for heavy tower crane |
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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: 20151014 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |