CN220300268U - Crane rotation driving mechanism - Google Patents
Crane rotation driving mechanism Download PDFInfo
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- CN220300268U CN220300268U CN202321804147.7U CN202321804147U CN220300268U CN 220300268 U CN220300268 U CN 220300268U CN 202321804147 U CN202321804147 U CN 202321804147U CN 220300268 U CN220300268 U CN 220300268U
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- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 9
- 238000004804 winding Methods 0.000 abstract description 3
- 244000309464 bull Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cranes and discloses a crane rotation driving mechanism which comprises a chassis, wherein the lower end of the chassis is fixedly connected with a planet carrier, the inner bottom wall of the planet carrier is fixedly connected with a first rotating rod, the surface of the first rotating rod is fixedly connected with a first gear, one side of the first gear is connected with a second gear in a meshed manner, the upper end of the second gear is fixedly connected with a first bearing, the upper end of the first bearing is fixedly connected with a first connecting rod, one end of the connecting rod is fixedly connected with a connecting seat, the upper end of the connecting seat is fixedly connected with a second bearing, and the upper end of the second bearing is fixedly connected with a second rotating rod. According to the crane rotation driving mechanism, through the arrangement of the inner teeth and the chassis, the inner gear ring slewing bearing is adopted, the gear is arranged on the inner side of the winding drum, the tooth surface is less polluted by dust, the service life of the gear is long, and the chassis can prevent the gear from being directly exposed outside and block most dust.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a crane rotation driving mechanism.
Background
The rotating mechanism of the large and medium portal cranes generally adopts an upper vertical planetary driving device, and the rotating mechanism of the upper vertical planetary driving device is arranged in a machine room on a turntable, and needs a special position for the rotating mechanism.
However, the conventional slewing drive mechanism for a crane has the following disadvantages:
(1) The existing crane rotation driving mechanism is inconvenient to carry out dust-proof treatment, and the internal gear is polluted by dust for a long time and is easy to wear;
(2) The existing crane rotation driving mechanism is usually fixed to the whole mechanism through a fixed motor, is low in stability and is easy to fail.
Accordingly, the present utility model provides a hoist swing drive mechanism.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a crane rotation driving mechanism, which solves the problems that the prior art is inconvenient to carry out dust prevention treatment, gears are polluted by dust for a long time and are easy to wear, the whole mechanism is fixed by a fixed motor, the stability is not strong, and the failure is easy to occur.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a hoist gyration actuating mechanism, includes the quick-witted case, the lower extreme fixedly connected with planet carrier of quick-witted case, the first bull stick of interior bottom fixedly connected with of planet carrier, the first gear of fixed surface of first bull stick, one side meshing of first gear is connected with the second gear, the upper end fixedly connected with first bearing of second gear, the upper end fixedly connected with head rod of first bearing, the one end fixedly connected with connecting seat of connecting rod, the upper end fixedly connected with second bull stick of connecting seat, the upper end fixedly connected with second bull stick of second bearing.
Optionally, the upper end fixedly connected with third gear of second bull stick, the upper end fixedly connected with limiting plate of second bull stick.
Optionally, one side of the third gear is connected with a transmission gear in a meshed manner, and the upper end of the transmission gear is fixedly connected with a speed reducer body.
Optionally, the upper end fixedly connected with first connecting plate of speed reducer body, the upper end of first connecting plate is connected with the second connecting plate through the bolt.
Optionally, the upper end fixedly connected with driving motor body of second connecting plate, the lower extreme fixedly connected with third connecting plate on speed reducer body surface.
Optionally, the upper end fixedly connected with first dead lever of third connecting plate, the lower extreme threaded connection of first dead lever has the connector, the lower extreme fixedly connected with slewing bearing of connector.
Optionally, the inner wall of slewing bearing is fixedly connected with the internal tooth in proper order, slewing bearing's upper end grafting has the second dead lever.
Optionally, the surface of machine case loops through bolted connection and has the mounting panel, the one end fixedly connected with card pole of mounting panel.
The utility model provides a crane rotation driving mechanism, which has the following beneficial effects:
1. according to the crane rotation driving mechanism, through the arrangement of the inner teeth and the chassis, the inner gear ring slewing bearing is adopted, the gear is arranged on the inner side of the winding drum, the tooth surface is less polluted by dust, the service life of the gear is long, and the chassis can prevent the gear from being directly exposed outside and block most dust.
2. This hoist gyration actuating mechanism, through the setting of mounting panel and draw-in bar, fix hoist gyration actuating mechanism through mounting panel and draw-in bar, solved the steadiness not strong, the problem of breaking down easily.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a connector structure according to the present utility model;
FIG. 3 is a schematic view of a first bearing structure according to the present utility model;
fig. 4 is a schematic diagram of the structure of the speed reducer body according to the present utility model.
In the figure: 1. a chassis; 2. a planet carrier; 3. a first rotating lever; 4. a first gear; 5. a second gear; 6. a first bearing; 7. a first connection plate; 8. a connecting seat; 9. a second bearing; 10. a second rotating rod; 11. a third gear; 12. a limiting plate; 13. a transmission gear; 14. a speed reducer body; 15. a first connection plate; 16. a second connecting plate; 17. a driving motor body; 18. a third connecting plate; 19. a first fixing rod; 20. a connection port; 21. a slewing bearing; 22. internal teeth; 23. a second fixing rod; 24. a mounting plate; 25. and (5) clamping the rod.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the crane rotation driving mechanism comprises a chassis 1, wherein through the arrangement of an inner tooth 22 and the chassis 1, an inner tooth 22 rotation support 21 is adopted, gears are arranged on the inner side of a winding drum, the tooth surface is less polluted by dust, the service life of the gears is long, the chassis 1 can prevent the gears from being directly exposed outside, the lower end of the chassis 1 for blocking most dust is fixedly connected with a planet carrier 2, the inner bottom wall of the planet carrier 2 is fixedly connected with a first rotating rod 3, the surface of the first rotating rod 3 is fixedly connected with a first gear 4, one side of the first gear 4 is in meshed connection with a second gear 5, the upper end of the second gear 5 is fixedly connected with a first bearing 6, the upper end of the first bearing 6 is fixedly connected with a first connecting rod 7, one end of the first connecting rod 7 is fixedly connected with a connecting seat 8, the upper end of the connecting seat 8 is fixedly connected with a second bearing 9, and the upper end of the second bearing 9 is fixedly connected with a second rotating rod 10;
the upper end of the second rotating rod 10 is fixedly connected with a third gear 11, and the third gear 11 plays a role in driving a transmission gear 13, and the upper end of the second rotating rod 10 is fixedly connected with a limiting plate 12;
one side of the third gear 11 is connected with a transmission gear 13 in a meshed manner, the upper end of the transmission gear 13 is fixedly connected with a speed reducer body 14, and the speed reducer body 14 is arranged to reduce the rotating speed;
the upper end of the speed reducer body 14 is fixedly connected with a first connecting plate 15, the function of installing and fixing a driving motor body 17 is achieved through the arrangement of the first connecting plate 15 and a second connecting plate 16, and the upper end of the first connecting plate 15 is connected with the second connecting plate 16 through a bolt;
the upper end of the second connecting plate 16 is fixedly connected with a driving motor body 17, and the lower end of the surface of the speed reducer body 14 is fixedly connected with a third connecting plate 18;
the upper end of the third connecting plate 18 is fixedly connected with a first fixing rod 19, the lower end of the first fixing rod 19 is in threaded connection with a connecting port 20, and the lower end of the connecting port 20 is fixedly connected with a slewing bearing 21;
the inner wall of the slewing bearing 21 is fixedly connected with inner teeth 22 in sequence, and the upper end of the slewing bearing 21 is inserted with a second fixing rod 23;
the surface of the case 1 is sequentially connected with a mounting plate 24 through bolts, the mounting plate 24 and the clamping rods 25 are arranged, the crane rotation driving mechanism is fixed through the mounting plate 24 and the clamping rods 25, the problem that the stability is not strong and the failure is easy to occur is solved, and one end of the mounting plate 24 is fixedly connected with the clamping rods 25.
In the utility model, the working steps of the device are as follows:
1. firstly, the chassis is placed on a crane, and the rotary driving mechanism of the crane is fixed through the mounting plate 24 and the clamping rod 25, so that the problems of low stability and easiness in failure are solved;
2. finally, the driving motor body 17 is started, and simultaneously the driving motor body is processed by the speed reducer body 14, and the transmission gear 13 drives the slewing bearing 21 to rotate and drives the crane to rotate.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hoist gyration actuating mechanism, includes quick-witted case (1), its characterized in that: the novel planetary gear box comprises a chassis (1), wherein the lower end of the chassis (1) is fixedly connected with a planet carrier (2), the inner bottom wall of the planet carrier (2) is fixedly connected with a first rotating rod (3), the surface of the first rotating rod (3) is fixedly connected with a first gear (4), one side of the first gear (4) is connected with a second gear (5) in a meshed mode, the upper end of the second gear (5) is fixedly connected with a first bearing (6), the upper end of the first bearing (6) is fixedly connected with a first connecting rod (7), one end of the connecting rod (7) is fixedly connected with a connecting seat (8), the upper end of the connecting seat (8) is fixedly connected with a second bearing (9), and the upper end of the second bearing (9) is fixedly connected with a second rotating rod (10).
2. A crane slewing drive mechanism as claimed in claim 1, wherein: the upper end of the second rotating rod (10) is fixedly connected with a third gear (11), and the upper end of the second rotating rod (10) is fixedly connected with a limiting plate (12).
3. A crane slewing drive mechanism as claimed in claim 2, wherein: one side of the third gear (11) is connected with a transmission gear (13) in a meshed manner, and the upper end of the transmission gear (13) is fixedly connected with a speed reducer body (14).
4. A crane slewing drive mechanism as claimed in claim 3, wherein: the speed reducer is characterized in that a first connecting plate (15) is fixedly connected to the upper end of the speed reducer body (14), and a second connecting plate (16) is connected to the upper end of the first connecting plate (15) through bolts.
5. The crane slewing drive mechanism as set forth in claim 4, wherein: the upper end of the second connecting plate (16) is fixedly connected with a driving motor body (17), and the lower end of the surface of the speed reducer body (14) is fixedly connected with a third connecting plate (18).
6. The crane slewing drive mechanism as set forth in claim 5, wherein: the upper end of the third connecting plate (18) is fixedly connected with a first fixing rod (19), the lower end of the first fixing rod (19) is connected with a connecting port (20) in a threaded mode, and the lower end of the connecting port (20) is fixedly connected with a slewing bearing (21).
7. The crane slewing drive mechanism as set forth in claim 6, wherein: the inner wall of the slewing bearing (21) is fixedly connected with inner teeth (22) in sequence, and the upper end of the slewing bearing (21) is inserted with a second fixing rod (23).
8. A crane slewing drive mechanism as claimed in claim 1, wherein: the surface of the case (1) is sequentially connected with a mounting plate (24) through bolts, and one end of the mounting plate (24) is fixedly connected with a clamping rod (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804147.7U CN220300268U (en) | 2023-07-11 | 2023-07-11 | Crane rotation driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804147.7U CN220300268U (en) | 2023-07-11 | 2023-07-11 | Crane rotation driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220300268U true CN220300268U (en) | 2024-01-05 |
Family
ID=89352159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804147.7U Active CN220300268U (en) | 2023-07-11 | 2023-07-11 | Crane rotation driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220300268U (en) |
-
2023
- 2023-07-11 CN CN202321804147.7U patent/CN220300268U/en active Active
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