CN208870975U - A kind of epicyclic gearbox being able to achieve bidirectional self-locking - Google Patents
A kind of epicyclic gearbox being able to achieve bidirectional self-locking Download PDFInfo
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- CN208870975U CN208870975U CN201821248191.3U CN201821248191U CN208870975U CN 208870975 U CN208870975 U CN 208870975U CN 201821248191 U CN201821248191 U CN 201821248191U CN 208870975 U CN208870975 U CN 208870975U
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- gear
- sliding block
- locking
- driving device
- shaping sliding
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Abstract
The utility model discloses a kind of epicyclic gearbox for being able to achieve bidirectional self-locking, including driving device for gear box, the output end of driving device for gear box is equipped with slot element and controls the gear shaping sliding block for rotating and being detached from slot element limitation forward or backwards by the driving device for gear box, and gear shaping sliding block is connected with exporting axis by connecting shaft；When gear shaping sliding block controls rotation by driving device for gear box, output shaft output power；When driving device for gear box stops driving gear shaping sliding block, output shaft reversely rotates any angle, and gear shaping sliding block can be slided to be limited the rotation of gear shaping sliding block, realize self-locking with slot element grafting, slot element.Self-locking function is to be inserted into slot element by gear shaping sliding block to realize, the load that outside reversely inputs does not act on gear simultaneously, does not constitute a threat to, while also protecting the safety of gear to the safety of gear, improves the reliability of overall gear case.
Description
Technical field
The utility model relates to power-equipment, in particular to a kind of epicyclic gearbox for being able to achieve bidirectional self-locking.
Background technique
The self-locking function of gear-box is proposed often caused by its use environment, under operating environment of keeping the safety in production, is
Ensureing the safety of operator, it is desirable that transmission parts must have self-locking function, i.e. transmission mechanism can drive external load, and
External load can not be driven in the reverse direction transmission mechanism.There are many kinds of the modes for realizing gear-box self-locking function, can generally be summarized as
Three classes: the first kind is to install electric-controlled parts additional outside gear-box, i.e., detects gear-box by electrical component and run to designated position,
Then signal is sent to electric-control system, drive mechanism locks the output shaft of gear-box after electric-controlled parts receive signal；The
Two classes are using freewheel clutch, that is, unilateral bearing, this class bearing is mounted on output end, and gearbox output shaft close-fitting,
Gear-box can drive output shaft to rotate along a direction, but another direction can be locked, and either drive inside gear-box
The driving of dynamic or external load, can not all make output shaft rotate in the opposite direction；Third class is by gear-box itself
Self-locking performance, in the gear-box of large transmission ratio, gear-box has a degree of self-locking property, wants from outside rotation output
Axis generally requires certain load level, but this load level is not often high, the transmission ratio and gear depending on gear-box
Installation accuracy, moreover, it is this kind of self-locking, also the load that outside reversely inputs can all be acted on gear, to the safety of gear
Property is a kind of threat.
Utility model content
The purpose of this utility model is in view of the above drawbacks of the prior art, to provide a kind of planet for being able to achieve bidirectional self-locking
Gear-box.
For solve the prior art drawbacks described above, technical solution provided by the utility model is: one kind be able to achieve it is two-way from
The epicyclic gearbox of lock, including driving device for gear box, the output end of the driving device for gear box be equipped with slot element and by
The driving device for gear box controls the gear shaping sliding block for rotating and being detached from the slot element limitation, the gear shaping forward or backwards
Sliding block is connected with exporting axis by connecting shaft；
When the gear shaping sliding block controls rotation by the driving device for gear box, the output shaft output power；The tooth
When roller box driving device stops driving the gear shaping sliding block, the output shaft reversely rotates any angle, the gear shaping sliding block energy
Enough slidings and the slot element grafting, the slot element limit the gear shaping sliding block rotation, realize self-locking.
It is able to achieve a kind of improvement of the epicyclic gearbox of bidirectional self-locking as the utility model, further includes cross axle, it is described
Cross axle includes vertical axis and lateral shaft, and the lateral shaft is connected on the inner sidewall of the gear shaping sliding block, the vertical axis
Lower end is connect with the driving device for gear box, during the driving device for gear box drives the cross shaft rotating, institute
It states gear shaping sliding block gradually to be ejected by the cross axle and be detached from the slot element, the driving device for gear box drives institute
After stating cross shaft rotating to certain angle, the cross axle drive the gear shaping sliding block to rotate together with.
It is able to achieve a kind of improvement of the epicyclic gearbox of bidirectional self-locking as the utility model, further includes reset spring, institute
It states reset spring one end to support on the gear shaping sliding block, the reset spring other end is supported in gearbox end, described to insert
The moving process of tooth sliding block self-locking action is controlled by the reset spring and is moved.
A kind of improvement of the epicyclic gearbox of bidirectional self-locking is able to achieve as the utility model, the gear shaping sliding block has one
Medial launder is set on the inner sidewall of the medial launder there are two symmetrical inverted V-shaped groove, and the both ends of two inverted V-shaped grooves are equal
Equipped with sliding slot block, the lower edge of the gear shaping sliding block is equipped at intervals with multiple gear shapings, and the upper center of the gear shaping sliding block is set
There is a connecting platform, the connecting platform is equipped with D-shaped groove, and the connecting shaft is plugged in the D-shaped groove.
A kind of improvement of the epicyclic gearbox of bidirectional self-locking, the lateral shaft of the cross axle are able to achieve as the utility model
Both ends are respectively received in the inverted V-shaped groove, when the driving device for gear box drives the cross shaft rotating, the cross
The lateral shaft of axis slides on two inverted V-shaped grooves.
It is able to achieve a kind of improvement of the epicyclic gearbox of bidirectional self-locking as the utility model, is spaced in the slot element
Several slot positions equipped with rounded arrangement, the quantity of the slot position is identical as the quantity of the gear shaping, the slot position with it is described
Gear shaping corresponds.
A kind of improvement of the epicyclic gearbox of bidirectional self-locking, the edge of the slot element are able to achieve as the utility model
Multiple fixed ears are equipped at intervals with, screw hole is equipped in each fixed ear, the slot element is bolted on described
On driving device for gear box.
A kind of improvement of the epicyclic gearbox of bidirectional self-locking, the driving device for gear box are able to achieve as the utility model
Including ring gear and motor, planetary gear is equipped in the cavity of the ring gear, the planetary gear is solid by planetary gear shaft
It is scheduled on a pinion frame, the motor is fixed on motor fixed plate by motor bolt, on the output shaft of the motor
Equipped with motor output gear, the motor output gear is stretched in the ring gear and is engaged with the planetary gear.
A kind of improvement of the epicyclic gearbox of bidirectional self-locking is able to achieve as the utility model, the slot element is fixed on
On the ring gear, on the fixed pinion frame of the vertical axis of the cross axle, while the pinion frame rotates
Drive the cross shaft rotating.
A kind of improvement of the epicyclic gearbox of bidirectional self-locking, the upper end cover of the ring gear are able to achieve as the utility model
There is a fixed lid, for the fixed lid through screw locking on the ring gear, the middle part of the fixed lid is equipped with fixing sleeve, institute
State output shaft penetrated in the middle part of the fixing sleeve in the ring gear with the connection axis connection.
Compared with prior art, the utility model has the advantages that: the bidirectional self-locking epicyclic gearbox of the utility model is abandoned
Electric-controlled parts, bidirectional self-locking are realized using pure mechanic structure, reliable performance is ingenious in design；Since self-locking mechanism is built in
Inside epicyclic gearbox, so the globality of gear-box is intact, appearance is coordinated；Abandon standard component freewheel clutch, it is two-way from
The size design of the epicyclic gearbox of lock is freer, can apply in more non-standard environmentals；The self-locking function of the design
It can be that slot element is inserted by gear shaping sliding block to realize, the load that outside reversely inputs does not act on gear simultaneously, so
The self-locking function does not constitute a threat to the safety of gear, while also protecting the safety of gear, improves overall gear case
Reliability.
The utility model is by installing cross axle in afterbody pinion frame, and installation connects with ring gear above cross axle
The slot element connect, the gear shaping sliding block that an inside has inverted V-shaped groove is inserted in slot element, and cross axle passes through slot element
Mesoporous and gear shaping sliding block inside inverted V-shaped groove cooperate, when driving device for gear box operation when, pinion frame drive cross
Axis rotation, inverted V-shaped groove slope guide rails of the cross axle inside gear shaping sliding block jack up gear shaping sliding block upwards, when gear shaping sliding block
Departing from slot, the rotational freedom of gear shaping sliding block is released, and gear shaping sliding block can be rotated together with cross axle, gear shaping sliding block
On connecting shaft is installed, connect the output shaft of entire gear-box, thereby realize epicyclic gearbox rotation output.Work as planet
Gear-box stops operating, and output shaft is had under the action of external load toward trend that is reversed or rotating forward, this leads to gear shaping
Sliding block also has the tendency that reversed or rotates forward, due to being also equipped with reset spring above gear shaping sliding block, reset spring at this time
In compressive state, under the action of reset spring, as long as output shaft is past to rotate backward slight angle or any angle, i.e. sliding block
Toward reversed or rotate forward slight angle, gear shaping sliding block will move rapidly down, be inserted directly into connect with ring gear it is slotting
In slot element, the rotational freedom of gear shaping sliding block is limited again, i.e., output shaft is locked.
Detailed description of the invention
Just the utility model and its beneficial technical effect are made with specific embodiment with reference to the accompanying drawings below further detailed
Thin description, in which:
Fig. 1 is the utility model explosive view.
Fig. 2 is the utility model section view.
Fig. 3 is the utility model self-locking mechanism structural schematic diagram.
Fig. 4 is the utility model gear shaping slider bottom structural representation.
Appended drawing reference title:
1, driving device for gear box；11, ring gear 12, motor 13, planetary gear 14, planetary gear shaft 15, planetary gear
Frame 16, motor bolt 17, motor fixed plate 18, motor output gear 19, fixed lid 20, fixing sleeve 21, connector sleeve；
2, slot element；21, slot position 22, fixed ear 23, screw hole 24, bolt；
3, gear shaping sliding block；31, medial launder 32, inverted V-shaped groove 33, sliding slot block 34, gear shaping 35, connecting platform 36, D-shaped are recessed
Slot；
4, connecting shaft；
5, output shaft；
6, reset spring；
7, cross axle；71, vertical axis 72, lateral shaft.
Specific embodiment
Just the utility model is further described with specific embodiment with reference to the accompanying drawings below, but the implementation of the utility model
Mode is not limited to this.
As shown in figures 1-4, a kind of epicyclic gearbox being able to achieve bidirectional self-locking, including driving device for gear box 1, gear
The output end of case driving device 1 is equipped with slot element 2 and controls rotation and energy forward or backwards by the driving device for gear box 1
It is enough detached from the gear shaping sliding block 3 that slot element 2 limits, gear shaping sliding block 3 is connect by connecting shaft 4 with output shaft 5；
When gear shaping sliding block 3 controls rotation by driving device for gear box, 5 output power of output shaft；Driving device for gear box 1 stops
When only driving gear shaping sliding block 3, output shaft 5 reversely rotates any angle, and gear shaping sliding block 3 can be quick by the effect of reset spring 6
Sliding and 2 grafting of slot element, slot element 2 limit gear shaping sliding block 3 and rotate, realize self-locking.
It preferably, further include cross axle 7, cross axle 7 includes vertical axis 71 and lateral shaft 72, and lateral shaft 72 is connected to gear shaping
On the inner sidewall of sliding block 3, the lower end of vertical axis 71 is connect with driving device for gear box 1, and driving device for gear box 1 drives cross axle
During 7 rotations, gear shaping sliding block 3 is gradually ejected and is detached from slot element 2,1 band of driving device for gear box by cross axle 7
Dynamic cross axle 7 is rotated to certain angle, cross axle 7 drives gear shaping sliding block 3 to rotate together with.
It preferably, further include reset spring 6,6 one end of reset spring is supported on gear shaping sliding block 3,6 other end of reset spring
It supports in gearbox end, the moving process of 3 self-locking action of gear shaping sliding block is controlled by reset spring 6 to be moved.
Preferably, gear shaping sliding block 3 has a medial launder 31, sets that there are two symmetrical inverted V-shapeds on the inner sidewall of medial launder 31
Groove 32, the both ends of two inverted V-shaped grooves 32 are equipped with sliding slot block 33, and the lower edge of gear shaping sliding block 3 is equipped at intervals with multiple
Gear shaping 34, the upper center of gear shaping sliding block 3 are equipped with a connecting platform 35, and connecting platform 35 is equipped with D-shaped groove 36, connecting shaft 4
It is plugged in D-shaped groove 36.
Preferably, 72 both ends of lateral shaft of cross axle 7 are respectively received in inverted V-shaped groove 32,1 band of driving device for gear box
When dynamic cross axle 7 rotates, the lateral shaft 72 of cross axle 7 slides on two inverted V-shaped grooves 32.
Preferably, several slot positions 21 of rounded arrangement, the quantity and gear shaping of slot position 21 are equipped at intervals in slot element 2
34 quantity is identical, and slot position 21 and gear shaping 34 correspond.
Preferably, the edge of slot element 2 is equipped at intervals with multiple fixed ears 22, is equipped with screw hole in each fixed ear 22
23, slot element 2 is fixed on driving device for gear box 1 by bolt 24.
Preferably, driving device for gear box 1 includes ring gear 11 and motor 12, is equipped with planet tooth in the cavity of ring gear 11
Wheel 13, planetary gear 13 are fixed on a pinion frame 15 by planetary gear shaft 14, and motor 12 is solid by motor bolt 16
It is scheduled on motor fixed plate 17, the output shaft of motor 12 is equipped with motor output gear 18, and motor output gear 18 stretches to interior
It is engaged in gear ring 11 with planetary gear 13.The lower end of vertical axis 71 is connected on pinion frame 15 by connector sleeve 21.
Preferably, slot element 2 is fixed on ring gear 11, and the vertical axis 71 of cross axle 7 is fixed on pinion frame 15
On, drive cross axle 7 to rotate while pinion frame 15 rotates.
Preferably, a fixed lid 19 is stamped in the upper end of ring gear 11, and fixed lid 19 passes through screw locking on ring gear 11,
The middle part of fixed lid 19 is equipped with fixing sleeve 20, and output shaft 5 is penetrated in ring gear 11 in the middle part of fixing sleeve 20 and connect with connecting shaft 4.
The process of the normal output services of epicyclic gearbox: the rotation of 12 drive motor output gear 18 of motor, motor output gear
Wheel 18 is engaged with planetary gear 13, and pinion frame 15 rotates；Since the lateral shaft 72 of pinion frame 15 and cross axle 7 is fixed
Connection, so cross axle 7 also can rotate, the lateral shaft 72 of cross axle 7 is solid along 32 turns of inverted V-shaped groove inside gear shaping sliding block 3
It is dynamic, in this process；Gear shaping sliding block 3 can be jacked up upwards by the lateral shaft 72 of cross axle 7, and reset spring 6 is in compressive state；
Connecting shaft 4 connected to it, output shaft 5 can also be jacked up upwards；When gear shaping sliding block 3 is detached from the slot position 21 of slot element 2, rotation
Freedom degree is released, and when lateral shaft 72 moves to sliding slot block 33, gear shaping sliding block 3 is forced that cross axle 7 is followed to rotate together, by
Connecting shaft 4 is mounted with above gear shaping sliding block 3, connecting shaft 4 is fixedly connected with the output shaft 5 of gear-box again, so output
Axis 5 also can rotate, to complete output operation.
Self-locking mechanism carries out the self-locking course of work: when motor 12 moves to required position, motor 12 stops operating, at this time
Output shaft 5 is under the acting in opposition of external load, and there are counter-rotational trend for output shaft 5, when output shaft 5 rotates backward slightly
Angle, above it under the action of reset spring 6, gear shaping sliding block 3 moves downward rapidly gear shaping sliding block 3, inserting on gear shaping sliding block 3
Tooth 34 is inserted into the slot position 21 of slot element 2, and gear shaping sliding block 3 is locked, and is no longer able to turn, the connecting shaft 4 that is firmly connected with it,
The output shaft 5 being fixedly connected with connecting shaft 4 is also just locked, to realize self-locking；Due to the inverted V-shaped groove on gear shaping sliding block 3
32 be two sides symmetric design, so can also be realized by above-mentioned principle self-locking when epicyclic gearbox is rotated toward another direction.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and structure, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. a kind of epicyclic gearbox for being able to achieve bidirectional self-locking, including driving device for gear box, which is characterized in that the gear-box
The output end of driving device is equipped with slot element and is controlled forward or backwards described in rotation and disengaging as the driving device for gear box
The gear shaping sliding block of slot element limitation, the gear shaping sliding block are connected with exporting axis by connecting shaft；
When the gear shaping sliding block controls rotation by the driving device for gear box, the output shaft output power；The gear-box
When driving device stops driving the gear shaping sliding block, the output shaft reversely rotates any angle, and the gear shaping sliding block can be slided
The dynamic and slot element grafting, the slot element limit the gear shaping sliding block rotation, realize self-locking.
2. the epicyclic gearbox according to claim 1 for being able to achieve bidirectional self-locking, which is characterized in that it further include cross axle,
The cross axle includes vertical axis and lateral shaft, and the lateral shaft is connected on the inner sidewall of the gear shaping sliding block, described vertical
The lower end of axis is connect with the driving device for gear box, and the driving device for gear box drives the process of the cross shaft rotating
In, the gear shaping sliding block is gradually ejected by the cross axle and is detached from the slot element, the driving device for gear box band
After moving the cross shaft rotating to certain angle, the cross axle drive the gear shaping sliding block to rotate together with.
3. the epicyclic gearbox according to claim 1 for being able to achieve bidirectional self-locking, which is characterized in that further include resetting bullet
Spring, described reset spring one end are supported on the gear shaping sliding block, and the reset spring other end is supported in gearbox end, institute
The moving process for stating gear shaping sliding block self-locking action is controlled by the reset spring to be moved.
4. the epicyclic gearbox according to claim 2 for being able to achieve bidirectional self-locking, which is characterized in that the gear shaping sliding block tool
There is a medial launder, is set on the inner sidewall of the medial launder there are two symmetrical inverted V-shaped groove, the two of two inverted V-shaped grooves
End is equipped with sliding slot block, and the lower edge of the gear shaping sliding block is equipped at intervals with multiple gear shapings, in the upper end of the gear shaping sliding block
Portion is equipped with a connecting platform, and the connecting platform is equipped with D-shaped groove, and the connecting shaft is plugged in the D-shaped groove.
5. the epicyclic gearbox according to claim 4 for being able to achieve bidirectional self-locking, which is characterized in that the cross of the cross axle
It is respectively received in the inverted V-shaped groove to axis both ends, it is described when the driving device for gear box drives the cross shaft rotating
The lateral shaft of cross axle slides on two inverted V-shaped grooves.
6. the epicyclic gearbox according to claim 5 for being able to achieve bidirectional self-locking, which is characterized in that in the slot element
Be equipped at intervals with several slot positions of rounded arrangement, the quantity of the slot position is identical as the quantity of the gear shaping, the slot position with
The gear shaping corresponds.
7. the epicyclic gearbox according to claim 6 for being able to achieve bidirectional self-locking, which is characterized in that the slot element
Edge is equipped at intervals with multiple fixed ears, and screw hole is equipped in each fixed ear, and the slot element is bolted on
On the driving device for gear box.
8. the epicyclic gearbox according to claim 2 for being able to achieve bidirectional self-locking, which is characterized in that the gear-box driving
Device includes ring gear and motor, is equipped with planetary gear in the cavity of the ring gear, the planetary gear passes through planetary gear
Axis is fixed on a pinion frame, and the motor is fixed on motor fixed plate by motor bolt, the output of the motor
Axis is equipped with motor output gear, and the motor output gear is stretched in the ring gear and engaged with the planetary gear.
9. the epicyclic gearbox according to claim 8 for being able to achieve bidirectional self-locking, which is characterized in that the slot element is solid
It is scheduled on the ring gear, the vertical axis of the cross axle is fixed on the pinion frame, the pinion frame rotation
While drive the cross shaft rotating.
10. the epicyclic gearbox according to claim 8 for being able to achieve bidirectional self-locking, which is characterized in that the ring gear
A fixed lid is stamped in upper end, and through screw locking on the ring gear, the middle part of the fixed lid is equipped with solid the fixed lid
Fixed set, the output shaft penetrated in the middle part of the fixing sleeve in the ring gear with the connection axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248191.3U CN208870975U (en) | 2018-08-03 | 2018-08-03 | A kind of epicyclic gearbox being able to achieve bidirectional self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248191.3U CN208870975U (en) | 2018-08-03 | 2018-08-03 | A kind of epicyclic gearbox being able to achieve bidirectional self-locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208870975U true CN208870975U (en) | 2019-05-17 |
Family
ID=66464029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821248191.3U Active CN208870975U (en) | 2018-08-03 | 2018-08-03 | A kind of epicyclic gearbox being able to achieve bidirectional self-locking |
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| Country | Link |
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| CN (1) | CN208870975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679169A (en) * | 2018-08-03 | 2018-10-19 | 东莞域嘉精密五金塑胶制品有限公司 | A kind of epicyclic gearbox that can realize bidirectional self-locking |
-
2018
- 2018-08-03 CN CN201821248191.3U patent/CN208870975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679169A (en) * | 2018-08-03 | 2018-10-19 | 东莞域嘉精密五金塑胶制品有限公司 | A kind of epicyclic gearbox that can realize bidirectional self-locking |
| CN108679169B (en) * | 2018-08-03 | 2024-02-13 | 东莞域嘉精密五金塑胶制品有限公司 | Planetary gear box capable of realizing bidirectional self-locking |
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