CN211117391U - Planetary gear reducer for crane - Google Patents
Planetary gear reducer for crane Download PDFInfo
- Publication number
- CN211117391U CN211117391U CN201921336661.6U CN201921336661U CN211117391U CN 211117391 U CN211117391 U CN 211117391U CN 201921336661 U CN201921336661 U CN 201921336661U CN 211117391 U CN211117391 U CN 211117391U
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- planetary gear
- reel
- winding drum
- backup pad
- 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 - Fee Related
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a hoist technical field specifically is a planetary gear speed reducer for hoist, including reel backup pad, reel and planetary gear mechanism, be provided with the reel between the front end of first backup pad and second backup pad, the inside of reel is provided with planetary gear mechanism, and beneficial effect is: the utility model controls the driving motor to work, drives the sun gear to rotate under the connection of the driving shaft of the driving motor and the rotating shaft connected with the sun gear, and the sun gear is driven by the planet gear and the inner gear to play the role of reducing speed and increasing torque of the driving motor, thereby rotating the winding drum and winding and unwinding steel wires; the planetary gear mechanism is directly arranged in the winding drum, the structure is compact, the space occupied by the installation of the planetary gear mechanism is reduced, the winding drum is directly driven by the planetary gear mechanism, and transmission connecting components are reduced.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a planetary gear speed reducer for hoist.
Background
The drum device of the crane is an important component of a hoisting mechanism, and mainly comprises a drum body for winding a steel wire rope, a connecting device between the drum body and a speed reducer, a drum shaft, an end supporting seat and the like. In traditional hoist, the reel axle of reel body one side is put into through the output of shaft coupling and reduction gear and is connected, is slowed down by the reduction gear to motor power's output shaft and increases the torsion, improves the ability of lifting by crane, but installs the reduction gear in reel body one side and not only occupy installation space, but also need increase the connecting device who sets up between reduction gear and the reel body, has increased power loss to and increased the component that needs the maintenance to maintain in the hoist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a planet gear speed reducer for hoist to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a planet gear speed reducer for hoist, includes reel backup pad, reel and planetary gear mechanism, the reel backup pad is including first backup pad and the second backup pad that the symmetry set up, and first backup pad and second backup pad back end welding have the installation floor, and the installation floor that first backup pad, second backup pad were established passes through the bolt fastening on installing the base, be provided with the reel between the front end of first backup pad and second backup pad, the inside of reel is provided with planetary gear mechanism.
Preferably, the medial surface of first backup pad and second backup pad front end all is equipped with cylindric supporting seat, and two supporting seats insert along the both ends of reel respectively, and interference fit installs the bearing between the outer wall of supporting seat and the inner wall of reel.
Preferably, the outer walls of the two ends of the winding drum are integrally formed with wire retaining rings, and a distance of 3-5mm is reserved between the two side surfaces of the winding drum and the inner side walls of the first supporting plate and the second supporting plate.
Preferably, planetary gear mechanism includes internal gear, sun gear and planet wheel, and the inside middle part welding of reel has the internal gear that the axiality set up, and the medial surface of two supporting seats rotates through the pivot to be connected with the sun gear, and the sun gear sets up with the reel axiality, and the medial surface of two supporting seats rotates through the pivot to be connected with three planet wheel, is interval 120 settings between the three planet wheel, and the planet wheel meshes with internal gear and sun gear transmission simultaneously.
Preferably, the motor base is perpendicular to the outer side wall of the second support plate, and a triangular reinforcing rib plate is welded between the motor base and the outer side wall of the second support plate.
Preferably, the outer side wall welding of second backup pad has the motor cabinet, is fixed with driving motor through the bolt on the motor cabinet, and driving motor's drive shaft is inserted and is established the inside of second backup pad, and the drive shaft is connected with the pivot of sun gear through the shaft coupling.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The utility model controls the driving motor to work, drives the sun gear to rotate under the connection of the driving shaft of the driving motor and the rotating shaft connected with the sun gear, and the sun gear is driven by the planet gear and the inner gear to play the role of reducing speed and increasing torque of the driving motor, thereby rotating the winding drum and winding and unwinding steel wires;
2. The utility model provides a planetary gear mechanism direct mount has reduced the shared space of installation planetary gear mechanism in the inside of reel, compact structure, and directly drives the reel through planetary gear mechanism, has reduced the transmission connecting elements.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic cross-sectional view of the present invention.
In the figure: reel supporting plate 1, first supporting plate 101, second supporting plate 102, reel 2, planetary gear mechanism 3, installation floor 4, installation base 5, supporting seat 6, bearing 7, internal gear 8, sun gear 9, planet wheel 10, motor cabinet 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a planetary gear reducer for hoist, including reel backup pad 1, reel 2 and planetary gear mechanism 3, reel backup pad 1 is including first backup pad 101 and the second backup pad 102 that the symmetry set up, first backup pad 101 and second backup pad 102 back end welding have installation floor 4, installation floor 4 that first backup pad 101, second backup pad 102 established passes through the bolt fastening on installation base 5, be provided with reel 2 between the front end of first backup pad 101 and second backup pad 102, reel 2 specifically installs and is for first backup pad 101 and second backup pad 102: the medial surface of first backup pad 101 and second backup pad 102 front end all is equipped with cylindric supporting seat 6, two supporting seats 6 insert along the both ends of reel 2 respectively, and interference fit installs bearing 7 between the outer wall of supporting seat 6 and the inner wall of reel 2, reel 2 is supported by supporting seat 6 that first backup pad 101 and second backup pad 102 inboard were established, and reel 2 can rotate, the both ends outer wall integrated into one piece of reel 2 has the wire blocking ring, when reel 2 is coiled the steel wire, prevent the steel wire skew, leave 3-5 mm's interval between the both sides face of reel 2 and the inside wall of first backup pad 101, second backup pad 102, avoid reel 2 and first backup pad 101, second backup pad 102 to take place wearing and tearing.
With reference to fig. 1 and 2, the inside of reel 2 is provided with planetary gear mechanism 3, planetary gear mechanism 3 includes internal gear 8, sun gear 9 and planet wheel 10, the inside middle part welding of reel 2 has internal gear 8 that the axiality set up, the medial surface of two supporting seats 6 rotates through the pivot and is connected with sun gear 9, sun gear 9 sets up with reel 2 axiality, and the medial surface of two supporting seats 6 rotates through the pivot and is connected with three planet wheel 10, be interval 120 setting between three planet wheel 10, and planet wheel 10 simultaneously with internal gear 8 and the meshing of sun gear 9 transmission, sun gear 9 transmits with internal gear 8 through planet wheel 10, the effect of increasing the torsion has the speed reduction.
As shown in fig. 2, the motor base 11 is welded to the outer side wall of the second support plate 102, the outer side wall of the motor base 11 perpendicular to the second support plate 102 is arranged, triangular reinforcing ribs are welded between the outer side walls of the motor base 11 and the second support plate 102, the reinforcing ribs play a role of a reinforcing structure for the motor base 11, a driving motor is fixed on the motor base 11 through bolts, a driving shaft of the driving motor is inserted into the second support plate 102, the driving shaft is connected with a rotating shaft of the sun gear 9 through a coupler, the driving motor is controlled to work, the sun gear 9 is driven to rotate through the planet gear 10 and the inner gear 8, so that the winding drum 2 rotates, and the steel wire winding and unwinding work is.
The working principle is as follows: the utility model discloses the during operation, work through controlling driving motor, under the hookup of the pivot that driving motor drive shaft and sun gear 9 are connected, order about sun gear 9 and rotate, sun gear 9 transmits through planet wheel 10 and internal gear 8, play the effect of increasing the torsion to driving motor speed reduction, thereby make reel 2 rotate, receive and release the steel wire work, 3 direct mount of planetary gear mechanism are in the inside of reel 2, compact structure, the shared space of installation planetary gear mechanism 3 has been reduced, and directly drive reel 2 through planetary gear mechanism 3, the transmission connecting element has been reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a planetary gear speed reducer for hoist, includes reel backup pad (1), reel (2), planetary gear mechanism (3) and motor cabinet (11), its characterized in that: the winding drum supporting plate (1) comprises a first supporting plate (101) and a second supporting plate (102) which are symmetrically arranged, the back ends of the first supporting plate (101) and the second supporting plate (102) are welded with an installation floor (4), the installation floor (4) arranged on the first supporting plate (101) and the second supporting plate (102) is fixed on an installation base (5) through bolts, a winding drum (2) is arranged between the front ends of the first supporting plate (101) and the second supporting plate (102), and a planetary gear mechanism (3) is arranged inside the winding drum (2).
2. A planetary gear reducer for cranes, according to claim 1, characterized in that: the inner side surfaces of the front ends of the first supporting plate (101) and the second supporting plate (102) are respectively provided with a cylindrical supporting seat (6), the two supporting seats (6) are respectively inserted into the two ends of the winding drum (2), and a bearing (7) is arranged between the outer wall of each supporting seat (6) and the inner wall of the winding drum (2) in an interference fit mode.
3. A planetary gear reducer for cranes, according to claim 1, characterized in that: the outer walls of two ends of the winding drum (2) are integrally formed with wire retaining rings, and a distance of 3-5mm is reserved between two side faces of the winding drum (2) and the inner side walls of the first supporting plate (101) and the second supporting plate (102).
4. A planetary gear reducer for cranes, according to claim 1, characterized in that: planetary gear mechanism (3) include internal gear (8), sun gear (9) and planet wheel (10), the inside middle part welding of reel (2) has internal gear (8) that the axiality set up, the medial surface of two supporting seats (6) is rotated through the pivot and is connected with sun gear (9), sun gear (9) and reel (2) axiality set up, and the medial surface of two supporting seats (6) rotates through the pivot and is connected with three planet wheel (10), be interval 120 setting between three planet wheel (10), and planet wheel (10) simultaneously with internal gear (8) and sun wheel (9) transmission meshing.
5. A planetary gear reducer for cranes, according to claim 1, characterized in that: the motor base (11) is perpendicular to the outer side wall of the second supporting plate (102), and a triangular reinforcing rib plate is welded between the motor base (11) and the outer side wall of the second supporting plate (102).
6. A planetary gear reducer for cranes, according to claim 1, characterized in that: the outer side wall of the second supporting plate (102) is welded with a motor base (11), a driving motor is fixed on the motor base (11) through bolts, a driving shaft of the driving motor is inserted in the second supporting plate (102), and the driving shaft is connected with a rotating shaft of the sun wheel (9) through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336661.6U CN211117391U (en) | 2019-08-19 | 2019-08-19 | Planetary gear reducer for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921336661.6U CN211117391U (en) | 2019-08-19 | 2019-08-19 | Planetary gear reducer for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117391U true CN211117391U (en) | 2020-07-28 |
Family
ID=71723740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921336661.6U Expired - Fee Related CN211117391U (en) | 2019-08-19 | 2019-08-19 | Planetary gear reducer for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117391U (en) |
-
2019
- 2019-08-19 CN CN201921336661.6U patent/CN211117391U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |