CN204980959U - Electronic cantilever crane's swing drives mechanism - Google Patents
Electronic cantilever crane's swing drives mechanism Download PDFInfo
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- CN204980959U CN204980959U CN201520653898.2U CN201520653898U CN204980959U CN 204980959 U CN204980959 U CN 204980959U CN 201520653898 U CN201520653898 U CN 201520653898U CN 204980959 U CN204980959 U CN 204980959U
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- gear
- epicyclie
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Abstract
The utility model discloses an electronic cantilever crane's swing drives mechanism, including motor, reduction gear, cantilever device and epicyclie gear gear assembly, the epicyclie gear gear assembly includes a centre wheel, ring gear and at least one planetary gear and planet carrier, the motor is installed in the centre of turning circle of cantilever device, the centre wheel has been installed to the play axle head of reduction gear, planetary gear is supported by the fixed axle of planet carrier, the ring gear is fixed on the stand of hoist. The utility model discloses in using the structural design of swing drives mechanism with epicyclie gear's transmission principle, make full use of epicyclie gear gear assembly bearing capacity is big, efficient, compact, light in weight's characteristics, only needs one set of motor slowdown unit just can drive multiple tooth and slewing bearing internal gear transmission principle 0, has transmission principle 1, moves reliable advantage.
Description
Technical field
The utility model relates to technical field of crane equipment, particularly relates to a kind of rotary motion mechanism of electronic boom crane.
Background technology
Electronic boom crane is the hoisting crane that port and pier is conventional, has the advantages that use is frequent, efficient, energy-conservation, floor area is little and be easy to operating maintenance.Rotary motion mechanism is one of principal organ of electronic boom crane, and effect drives cantilever around the center of gyration of hoisting crane, along circular arc line migration article in horizontal surface.With hoist, operating unit cooperation time, goods to be delivered in hoisting crane operating range Anywhere by it.
The many employings of rotary motion mechanism of existing boom crane and the similar structure of Fig. 1, crane and hoist type motor 1 ' and the vertical external installation of retarder 2 ', retarder 2 ' goes out axle head miniature gears 3 ' and engages with the big gear wheel of pivoting support 4 ', and miniature gears 3 ' rotates, and revolution arm 5 ' turns round.This kind of rotary motion mechanism in use exists and has the following disadvantages: (1) pivoting support more than 4 ' uses external toothing formula, and gear by contamination by dust, should wear and tear for a long time; (2) similar Inside gear drive device, driving parts is many, complex structure; (3) turning gear takes up room larger, also unsightly; (4) miniature gears 3 ' is that cantilever is installed, and output shaft distortion is large, poor gear engagement.In addition, this kind of rotary motion mechanism only needs a set of motor deceleration device at hoisting crane moment of torsion hour, two covers above motor deceleration device is needed when, moment of torsion heavy at hoisting crane tonnage is large, in order to solve the problem of many miniature gearss and big gear wheel synchromesh, according to general bridge motor and electrical control, gear synchronous effect is bad, easily makes gear transship, and causes broken teeth accident; And adopt variable-frequency motor and corresponding electric system, the problem of two or more synchromesh can be solved preferably, but cost significantly can increase.
Utility model content
The purpose of this utility model is the above problem overcoming prior art existence, a kind of rotary motion mechanism of electronic boom crane is provided, there is economic, practical, failure-free advantage, only need a set of motor deceleration unit just can drive multiple tooth with the synchromesh of pivoting support inner gear.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of rotary motion mechanism of electronic boom crane, comprise electrical motor, retarder, cantilever arrangement and planetary gear train gear assembly, described planetary gear train gear assembly comprises a center gear, an internally toothed annulus and at least one planetary wheel and pinion carrier, described electrical motor is installed in the center of gyration of cantilever arrangement, the axle head that goes out of described retarder is equiped with center gear, described planetary wheel is supported by the anchor shaft of pinion carrier, and described internally toothed annulus is fixed on the column of hoisting crane.
Further, described planetary number is preferably 2.
The beneficial effects of the utility model are:
1, bridge motor and retarder are arranged on cantilever reel inner, rotating part structure is simple, compact, good looking appearance, is easy to manufacture.
2, adopt internally toothed annulus pivoting support, gear is inside reel, and the flank of tooth is few by contamination by dust, and gear life is long.
3, center gear and planetary wheel are by two supports in pinion carrier, and axle rigidity is strong, and flank engagement is good, not fragile.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of rotary motion mechanism in prior art;
Fig. 2 is the structural representation of the utility model rotary motion mechanism;
Number in the figure illustrates:
1 '-electrical motor, 2 '-reductor, 3 '-miniature gears, 4 '-pivoting support, 5 '-revolution arm,
1-electrical motor, 2-retarder, 3-planetary wheel, 4-pinion carrier, 5-cantilever arrangement, 6-internally toothed annulus, 7-center gear.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
As shown in Figure 2, a kind of rotary motion mechanism of electronic boom crane, comprise electrical motor 1, retarder 2 and cantilever arrangement 5, also comprise planetary gear train gear assembly, described planetary gear train gear assembly comprises a center gear 7, internally toothed annulus 6 and 2 planetary wheels 3 and pinion carrier 4, described electrical motor 1 is installed in the center of gyration of cantilever arrangement 5, the axle head that goes out of described retarder 2 is equiped with center gear 7, described planetary wheel 3 is supported by the anchor shaft of pinion carrier 4, and described internally toothed annulus 6 is fixed on the column of hoisting crane.
The principle of work of the present embodiment is:
Planetary gear train gear assembly has that load-carrying capacity is large, efficiency is high, volume compact, lightweight feature, and the transmission principle of planetary gear train is applied in the structure design of rotary motion mechanism by the utility model.During use, internally toothed annulus 6 is fixed on the column of hoisting crane, electrical motor 1 slows down through retarder 2, make mouth center gear 7 slow rotation, pinion carrier 4 is Passive parts, center gear 7 rotates as driving link, center gear 7 gives planetary wheel 3 one thrust F1, planetary wheel 3 starts to rotate, but because internally toothed annulus 6 is fixed, so internally toothed annulus 6 also gives planetary wheel 3 one thrust F2, under the force action of F1 and F2, planetary wheel 3 not only rotation, and rotate around center gear 7 under the drive of pinion carrier 4, jib boom device 5 and pinion carrier 4 are fixed, the gyroscopic movement realizing cantilever arrangement 5 is rotated with pinion carrier 4.
When the utility model is used for rotary torque larger goliath, the constructional feature of planetary wheel 3 can be given full play to, utilize multiple planetary wheel 3 to decompose the circumferential force of swiveling gear, only need a set of motor deceleration unit just can drive multiple toothly to engage with pivoting support inner gear simultaneously, there is not its structure of traditional rotary motion mechanism to need to solve the synchronous problem of miniature gears, therefore economical and practical, reliable.
Claims (2)
1. the rotary motion mechanism of an electronic boom crane, comprise electrical motor (1), retarder (2) and cantilever arrangement (5), it is characterized in that: also comprise planetary gear train gear assembly, described planetary gear train gear assembly comprises a center gear (7), an internally toothed annulus (6) and at least one planetary wheel (3) and pinion carrier (4), described electrical motor (1) is installed in the center of gyration of cantilever arrangement (5), the axle head that goes out of described retarder (2) is equiped with center gear (7), described planetary wheel (3) is supported by the anchor shaft of pinion carrier (4), described internally toothed annulus (6) is fixed on the column of hoisting crane.
2. the rotary motion mechanism of a kind of electronic boom crane according to claim 1, is characterized in that: the number of described planetary wheel (3) is preferably 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520653898.2U CN204980959U (en) | 2015-08-27 | 2015-08-27 | Electronic cantilever crane's swing drives mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520653898.2U CN204980959U (en) | 2015-08-27 | 2015-08-27 | Electronic cantilever crane's swing drives mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204980959U true CN204980959U (en) | 2016-01-20 |
Family
ID=55115348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520653898.2U Expired - Fee Related CN204980959U (en) | 2015-08-27 | 2015-08-27 | Electronic cantilever crane's swing drives mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204980959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824968A (en) * | 2020-03-03 | 2020-10-27 | 合肥恺文重工机械有限公司 | 360 rotatory aluminum alloy cantilever crane |
-
2015
- 2015-08-27 CN CN201520653898.2U patent/CN204980959U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824968A (en) * | 2020-03-03 | 2020-10-27 | 合肥恺文重工机械有限公司 | 360 rotatory aluminum alloy cantilever crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |