CN208221530U - Winch and its planetary transmission - Google Patents
Winch and its planetary transmission Download PDFInfo
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- CN208221530U CN208221530U CN201820344272.7U CN201820344272U CN208221530U CN 208221530 U CN208221530 U CN 208221530U CN 201820344272 U CN201820344272 U CN 201820344272U CN 208221530 U CN208221530 U CN 208221530U
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Abstract
The utility model discloses a kind of winch and its planetary transmissions, the planetary transmission includes: the primary planet pinion mechanism and secondary planetary gear mechanism, shift mechanism and cabinet being connected in series, wherein, the primary planet pinion mechanism includes: primary planet wheel, primary planet carrier, level-one sun gear, primary input axial and level-one output shaft；The secondary planetary gear mechanism includes: secondary planet wheel, secondary planet frame, secondary solar gear, second level input shaft and second level output shaft；The level-one output shaft and second level input shaft are on same axis；The shift mechanism is slidably arranged on the primary input axial, and can be connected with the level-one sun gear or the primary planet carrier.Winch and its planetary transmission provided by the utility model, the slewing range that can widen winch improve the working efficiency of winch while can greatly reduce the volume and weight of gearbox.
Description
Technical field
The utility model relates to oil equipment technical field, in particular to a kind of winch and its planetary transmission.
Background technique
Petroleum drilling machine winch is used for the raising and decentralization of drill string when drillng operation, is one of core equipment of drilling machine.It is existing
Petroleum winch specifically includes that alternating-current variable frequency motor, gearbox, the roller for being wound with wirerope etc..In use, alternating-current variable frequency motor
Driving force is provided, through gearbox speed change rear driving drum forward and backward.Subsequent roller is bored by the wire rope lifting of winding, decentralization
Column.
When alternating-current variable frequency motor is as power drive, the constant power section of its curve of traction characteristics has mainly been used.But it waits
Power section motor maximum (top) speed is smaller with minimum speed, and usually between 2~3, i.e., constant power section velocity window is narrow,
It is unable to satisfy the requirement of winch maximum lifting velocity and minimum lifting velocity, limits the maximum speed of winch raising, to make
The about working efficiency of winch.
The prior art widens the slewing range of winch using two grades of externally-engaged cylindrical gear gearboxes, improves rising for winch
Rise efficiency.But existing two grades of externally-engaged cylindrical gear gearboxes are the prior art has at least the following problems: externally-engaged cylindrical gear case volume
Greatly, quality weight, the weight of gearbox occupy the larger specific gravity of winch weight.
Therefore, it is necessary to provide a kind of new technology, can overcome the problems, such as it is in the prior art at least one.
Utility model content
The purpose of the utility model is to provide a kind of winch and its planetary transmissions, can overcome lacking for the prior art
It falls into, the slewing range that can widen winch improves the working efficiency of winch while can greatly reduce the volume and again of gearbox
Amount.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model:
A kind of planetary transmission comprising:
The primary planet pinion mechanism and secondary planetary gear mechanism, shift mechanism and cabinet being connected in series, wherein
The primary planet pinion mechanism includes: primary planet wheel, primary planet carrier, level-one sun gear, primary input axial
With level-one output shaft；
The secondary planetary gear mechanism includes: secondary planet wheel, secondary planet frame, secondary solar gear, second level input shaft
With second level output shaft；The level-one output shaft and second level input shaft are on same axis；
The shift mechanism is slidably arranged on the primary input axial, and can be with the level-one sun gear or the level-one
Planet carrier is connected, and when the shift mechanism is connected with the primary planet carrier, forms primary planet carrier and inputs shelves；Work as institute
It states shift mechanism and when the level-one sun gear is connected, forms level-one sun gear and input shelves.
In one preferred embodiment, when the shift mechanism and the level-one sun gear and the primary planet carrier
When not coupling, neutral gear is formed.
In one preferred embodiment, the fixed connection of the ring gear Yu the cabinet of the primary planet pinion mechanism
Connect, the primary planet carrier is connected with the second level input shaft, the primary planet carrier and level-one sun gear respectively with it is described
Primary input axial is actively coupled；
The ring gear of the secondary planetary gear mechanism is fixedly connected with the cabinet, the secondary solar gear and described two
Grade input shaft is fixedly connected, and input side of the secondary solar gear as secondary planetary gear mechanism, the secondary planet frame is made
For the outlet side of secondary planetary gear mechanism.
In one preferred embodiment, the primary input axial is splined shaft, and the shift mechanism includes that setting exists
Spline housing on the splined shaft；The first internal spline and external splines are provided on the spline housing, the spline housing can be along described
Splined shaft axial movement.
In one preferred embodiment, the second internal spline, the primary planet are provided on the level-one sun gear
Third internal spline is provided on frame, second internal spline and third internal spline can be with the external splines phases of the spline housing
Match.
In one preferred embodiment, it is moved when the spline housing to side so that the external splines and described second
When internal spline engages, the gearbox is in low or first gear；When the spline housing is moved to the other side so that the external splines and institute
The engagement of third internal spline is stated, the gearbox is in top gear；When second internal spline and third internal spline not with it is described
When external splines is meshed, the gearbox is in neutral gear.
In one preferred embodiment, connected between the second level input shaft and the primary planet carrier by spline
It connects, connects or be integrally formed by spline between the second level input shaft and the secondary solar gear, form gear shaft.
It in one preferred embodiment, further include driving source, the driving source can drive the spline housing axially to move
It is dynamic.
In one preferred embodiment, further includes: top gear button, low or first gear button and neutral gear button trigger institute
When stating low or first gear button, the external splines is engaged with second internal spline；When triggering the top gear button, the external splines
Engaged with the third internal spline, when triggering the neutral gear button, second internal spline and third internal spline not with it is described
External splines is meshed.
A kind of winch comprising: planetary transmission, alternating-current variable frequency motor as described in any of the above-described are wound with steel
The roller of cord.
The characteristics of the utility model and advantage are: a kind of winch and its planetary gear speed-changing are provided in the application embodiment
Case, planetary transmission is by the way that input shaft and output shaft to be coaxially disposed, and compact-sized, rotary inertia is small, small in size, weight
Gently, convenient transportation；More importantly matched by shift mechanism with primary planet pinion mechanism and secondary planetary gear mechanism
The fluid drive of winch can be achieved, two grades of variable speed designs not only ensure that the ability that winch promotes maximum load, but also take into account winch
Efficiency requirements.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of planetary transmission in the application embodiment.
Description of symbols:
Primary input axial -11, primary planet pinion mechanism -12, level-one sun gear -12a, primary planet wheel -12b, level-one
Planet carrier -12c, secondary planetary gear mechanism -13, secondary solar gear -13a, secondary planet wheel -13b, secondary planet frame -13c,
Shift mechanism -14, the second internal spline -14a, third internal spline -14b, spline housing -14c, second level output shaft -15, cabinet -16.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, elaborate to the technical solution of the utility model, it should be understood that
These embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model, practical new having read this
After type, those skilled in the art each fall within the application appended claims to the modification of the various equivalent forms of the utility model
In limited range.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper",
"lower", "left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
The utility model provides a kind of winch and its planetary transmission, can overcome the deficiencies of existing technologies, can
The slewing range for widening winch improves the working efficiency of winch while can greatly reduce the volume and weight of gearbox, with compared with
Good actual application prospect.
The gearbox of winch provided herein is a kind of planetary transmission.Main transmission in the gearbox
Mechanism is planetary gear train.Wherein, planetary gear train refers to the cyclic train of only one freedom degree.Planetary gear train is a kind of close coupled type
The transmission device of (i.e. output axis is overlapped with input axis), and use several identical planetary gears and be evenly arranged on center
The surrounding of wheel.
Planetary gear train specifically includes that planetary gear, centre wheel and planet carrier.Wherein, the number of planetary gear is usually 2 to 6
It is a.When calculating transmission ratio, the revolving speed of one planetary gear of consideration, when remaining planetary gear calculates about without consideration, referred to as void
Beam.The effect of passive constraint is generally evenly distributed in the surrounding of centre wheel, so that several planetary gear shared load, to reduce gear
Size；It may make that centrifugal force caused by the radial component and planet revolution of engagement place is balanced again simultaneously, to reduce
Active force in base bearing increases smoothness of operation.Planet carrier is the component for being used to support planetary gear and it being made to be revolved.In
In heart wheel, external tooth centre wheel is become into sun gear；Central wheel of internal teeth is known as ring gear.
Planetary gear train is a kind of advanced gear drive, with compact-sized, small in size, quality is small, bearing capacity
Greatly, the features such as transmission power range and transmission range are big, running noises are small, the high-efficient and service life is long.
Referring to Fig. 1, provide a kind of planetary transmission in the application embodiment, which can be with
It include: the primary planet pinion mechanism 12 being connected in series and secondary planetary gear mechanism 13, shift mechanism 14 and cabinet 16, wherein
The primary planet pinion mechanism 12 includes: primary planet wheel 12b, primary planet carrier 12c, level-one sun gear 12a, level-one input
Axis 11 and level-one output shaft；The secondary planetary gear mechanism 13 includes: secondary planet wheel 13b, secondary planet frame 13c, second level
Sun gear 13a, second level input shaft and second level output shaft 15；The level-one output shaft and second level input shaft are on same axis；
The shift mechanism 14 is slidably arranged on the primary input axial 11, and can be with the level-one sun gear 12a or the level-one
Planet carrier 12c is connected.When the shift mechanism 14 and primary planet carrier 12c is connected, it is defeated to form primary planet carrier
It files；When the shift mechanism 14 and level-one sun gear 12a is connected, forms level-one sun gear and input shelves；When described
When shift mechanism 14 does not couple with the level-one sun gear 12a and the primary planet carrier 12c, neutral gear is formed.
In the present embodiment, the gearbox is planetary transmission, may include multi-stage planetary gear mechanism.
Specifically, the planetary transmission may include primary planet pinion mechanism 12, secondary planetary gear mechanism 13, shift mechanism
14 and cabinet 16.Wherein, the primary planet pinion mechanism 12 include primary planet wheel 12b, primary planet carrier 12c, level-one too
Sun wheel 12a, primary input axial 11 and level-one output shaft.The secondary planetary gear mechanism 13 may include secondary planet wheel 13b,
Secondary planet frame 13c, secondary solar gear 13a, second level input shaft and second level output shaft 15.12 He of primary planet pinion mechanism
The secondary planetary gear mechanism 13 connects.The primary input axial 11, level-one output shaft, second level input shaft and second level output shaft
15 on same axis.
The ring gear of the primary planet pinion mechanism in the planetary transmission is fixedly connected with the cabinet 16,
The primary planet carrier 12c is connected with the second level input shaft.The primary planet carrier 12c and level-one sun gear 12a difference
It is actively coupled with the primary input axial 11.The ring gear of the secondary planetary gear mechanism is fixedly connected with the cabinet 16.
The secondary solar gear 13a is fixedly connected with the second level input shaft.The secondary solar gear 13a is as secondary planetary gear machine
The input side of structure 13.Outlet side of the secondary planet frame 13c as secondary planetary gear mechanism 13.
It is arranged between the level-one sun gear 12a and the primary planet carrier 12c on the primary input axial 11
State shift mechanism 14.
The shift mechanism 14 is for converting drive path, so that different transmission ratios is generated, different gears.Specifically
, which can horizontally slip on the primary input axial 11, respectively with the level-one sun gear 12a or described one
Grade planet carrier 12c couples to form high speed or low or first gear, can also not couple, and forms neutral gear.When the shift mechanism 14 with it is described
When primary planet carrier 12c is connected, the primary planet carrier input shelves are formed.The primary planet carrier 12c input shelves correspond to
The top gear of gearbox.
When the shift mechanism 14 and level-one sun gear 12a is connected, the level-one sun gear input shelves are formed.
The level-one sun gear input shelves correspond to the low shelves of gearbox.As the shift mechanism 14 and level-one sun gear 12a
When not coupling with the primary planet carrier 12c, neutral gear is formed, consequently facilitating subsequent progress repair and maintenance etc. operates.
The planetary transmission provided by the utility model applied on winch passes through primary input axial is defeated with second level
Shaft coaxial arrangement, compact-sized, rotary inertia is small, small in size, light-weight, convenient transportation；More importantly pass through gear shift machine
Structure 14 matches the fluid drive of achievable winch, two grades of changes with primary planet pinion mechanism 12 and secondary planetary gear mechanism 13
Speed design not only ensure that the ability that winch promotes maximum load, but also take into account the efficiency requirements of winch.
In one embodiment, the primary input axial 11 is splined shaft, and the shift mechanism 14 includes being arranged in institute
State the spline housing 14c on splined shaft；The first internal spline and external splines are provided on the spline housing 14c, the spline housing 14c can
It is moved axially along the splined shaft.Certainly, the shift mechanism 14 can also be the form of other similar spline housing 14c, specifically
, the application does not make unique limit herein.Further, the second internal spline is provided on the level-one sun gear 12a
Third internal spline 14b is provided on 14a, the primary planet carrier 12c, the second internal spline 14a and third internal spline 14b are equal
It can match with the external splines of the spline housing 14c.
In the present embodiment, the primary input axial 11 is splined shaft.Spline housing 14c is provided on the splined shaft.
The first internal spline and external splines are provided on the spline housing 14c.The spline housing 14c can be moved axially along the splined shaft,
The spline housing 14c can move to extreme position to two sides.When the spline housing 14c moves to extreme position to side, institute
The external splines for stating spline housing 14c is engaged with the second internal spline 14a of the level-one sun gear 12a, and the gearbox is in low speed
Gear output；When the spline housing 14c moves to extreme position to the other side, the external splines of the spline housing 14c with it is described
The third internal spline 14b of primary planet carrier 12c is engaged, and the gearbox is in high gear output；When described spline housing 14c
Third when between two extreme positions, with the second internal spline 14a and primary planet carrier 12c of the level-one sun gear 12a
Internal spline 14b is not engaged, and the gearbox is in neutral position.
In one embodiment, by that can be connected with spline between the second level input shaft and the primary planet carrier 12c
It connects.In addition, can connect or be integrally formed by spline between the second level input shaft and the secondary solar gear 13a, formed
Gear shaft.Certainly, above-mentioned flower is not limited between the second level input shaft and the primary planet carrier 12c, secondary solar gear 13a
The mode of key transmission, can also be other modes, and the application does not make unique limit herein.
In a specific embodiment, to be provided with the primary planet pinion mechanism 12 being connected in series and secondary planet tooth
It elaborates for two grades of planetary transmissions of wheel mechanism 13.Wherein, the ring gear of primary planet pinion mechanism 12 with
Cabinet 16 is fixed, and primary planet carrier 12c output is provided with shift mechanism between level-one sun gear 12a and primary planet carrier 12c
14, level-one sun gear input shelves (i.e. low gear) is formed by 14 gear shift of shift mechanism, primary planet carrier inputs shelves (i.e. high speed
Gear), three input gears of neutral gear.When primary planet carrier inputs shelves, level-one sun gear 12a idle running.Secondary planetary gear machine
The second level gear ring of structure 13 is fixed, secondary solar gear 13a input, secondary planet frame 13c output.Wherein, secondary solar gear 13a and one
The primary planet carrier 12c of grade planetary gear mechanism 12 connects.
The shift mechanism 14 may include spline housing 14c, and the first internal spline and outer is provided on the spline housing 14c
Spline, the spline housing 14c can be moved axially along the splined shaft.The second internal spline 14a is provided on level-one sun gear 12a,
Third internal spline 14b is provided on primary planet carrier 12c.Wherein, the promotion that spline housing 14c can be provided by fluid cylinder or cylinder
Power realizes axial movement.The external splines of spline housing 14c can be with the second internal spline 14a or primary planet carrier of level-one sun gear 12a
The third internal spline 14b of 12c is meshed.
Further, the planetary transmission can also include: top gear button, low or first gear button and neutral gear button,
When triggering the low or first gear button, the external splines is engaged with the second internal spline 14a, and the planetary transmission is with low
Fast shelves operation；When triggering the top gear button, the external splines is engaged with the third internal spline 14b, the planetary gear
Gearbox is run with top gear, when triggering the neutral gear button, the second internal spline 14a and third internal spline 14b not with
The external splines is meshed, and the planetary transmission is located at neutral gear.
As shown in Figure 1, there are three position, low gear, high gear and central idle positions for shift mechanism 14.Shift mechanism
14 initial positions are in central idle position, at this point, power inputs, primary planet pinion mechanism 12 and secondary planetary gear mechanism
13 are not involved in transmission, and gearbox is without output.The setting of neutral position is convenient for the gear shift of gearbox or the maintenance of gearbox.
Spline housing 14c moves right along primary input axial 11, so that the external splines of spline housing 14c and level-one sun gear 12a
The second internal spline 14a engagement, shift mechanism 14 is located at low gear.At this point, power input, primary planet pinion mechanism 12 with
Secondary planetary gear mechanism 13 both participates in transmission, and gearbox operates in low or first gear, and low gear is for promoting big load.
Spline housing 14c is moved to the left along primary input axial 11, so that the external splines of spline housing 14c and primary planet carrier 12c
Third internal spline 14b be meshed, shift mechanism 14 is located at high gear.At this point, power is directly over primary planet carrier 12c biography
It passs and is secured to connected secondary solar gear 13a, only secondary planetary gear mechanism 13 participates in transmission, and gearbox operates in height
Fast shelves, high gear are improved efficiency for promoting lesser load at a relatively high speed.
Correspondingly, being additionally provided in the application embodiment a kind of comprising the change of planetary gear described in above embodiment
The winch of fast case.Specifically, the winch other than being provided with the planetary transmission, is additionally provided with speed-changing gear box, hands over
Stream variable-frequency motor, the roller for being wound with wirerope.
On the whole, the winch provided by the utility model for being provided with planetary transmission, by by input shaft and output
Axis coaxial arrangement, compact-sized, rotary inertia is small, small in size, light-weight, convenient transportation；More importantly pass through shift mechanism
14 match the fluid drive of achievable winch, two grades of speed changes with primary planet pinion mechanism 12 and secondary planetary gear mechanism 13
Design not only ensure that the ability that winch promotes maximum load, but also take into account the efficiency requirements of winch.
Herein cited any digital value all include between lower limit value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity an of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68,43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.
These are only intended to the example clearly expressed, it is believed that all possibility for the numerical value enumerated between minimum and peak
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to cover that " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
Above-mentioned each embodiment in this specification is described in a progressive manner, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiments difference.
The foregoing is merely several embodiments of the utility model, although embodiment disclosed by the utility model is such as
On, but the content is only to facilitate the embodiment for understanding the utility model and using, it is practical new to be not intended to limit this
Type.Any those skilled in the art of the present invention are not departing from spirit and scope disclosed by the utility model
Under the premise of, any modification and variation, but the patent of the utility model can be made in the formal and details of embodiment
Protection scope must be still subject to the scope defined in the appended claims.
Claims (10)
1. a kind of planetary transmission characterized by comprising the primary planet pinion mechanism and secondary planet tooth being connected in series
Take turns mechanism, shift mechanism and cabinet, wherein
The primary planet pinion mechanism includes: primary planet wheel, primary planet carrier, level-one sun gear, primary input axial and one
Grade output shaft；
The secondary planetary gear mechanism includes: secondary planet wheel, secondary planet frame, secondary solar gear, second level input shaft and two
Grade output shaft；The level-one output shaft and second level input shaft are on same axis；
The shift mechanism is slidably arranged on the primary input axial and can be with the level-one sun gear or the primary planet
Frame is connected, and when the shift mechanism is connected with the primary planet carrier, forms primary planet carrier and inputs shelves；It is changed when described
When gear mechanism and the level-one sun gear are connected, form level-one sun gear and input shelves.
2. planetary transmission as described in claim 1, which is characterized in that when the shift mechanism and the level-one sun
When wheel and the primary planet carrier do not couple, neutral gear is formed.
3. planetary transmission as claimed in claim 2, which is characterized in that
The ring gear of the primary planet pinion mechanism is fixedly connected with the cabinet, and the primary planet carrier and the second level are defeated
Enter axis to be connected, the primary planet carrier and level-one sun gear are actively coupled with the primary input axial respectively；
The ring gear of the secondary planetary gear mechanism is fixedly connected with the cabinet, and the secondary solar gear and the second level are defeated
Enter axis to be fixedly connected, input side of the secondary solar gear as secondary planetary gear mechanism, the secondary planet frame is as two
The outlet side of grade planetary gear mechanism.
4. planetary transmission as claimed in claim 3, which is characterized in that the primary input axial is splined shaft, described
Shift mechanism includes the spline housing being arranged on the splined shaft；The first internal spline and external splines are provided on the spline housing,
The spline housing can be moved axially along the splined shaft.
5. planetary transmission as claimed in claim 4, which is characterized in that be provided in second on the level-one sun gear
Spline is provided with third internal spline on the primary planet carrier, and second internal spline and third internal spline can be with the flowers
The external splines of key set matches.
6. planetary transmission as claimed in claim 5, which is characterized in that when the spline housing is moved to side so that institute
When stating external splines and engaging with second internal spline, the gearbox is in low or first gear；When the spline housing is moved to the other side
So that the external splines is engaged with the third internal spline, the gearbox is in top gear；When second internal spline and
When three internal splines are not meshed with the external splines, the gearbox is in neutral gear.
7. planetary transmission as claimed in claim 5, which is characterized in that the second level input shaft and the primary planet
It is connected between frame by spline, connects or be integrally formed by spline between the second level input shaft and the secondary solar gear,
Form gear shaft.
8. planetary transmission as claimed in claim 6, which is characterized in that further include driving source, the driving source can drive
Move the spline housing axial movement.
9. planetary transmission as claimed in claim 6, which is characterized in that further include: top gear button, low or first gear button
And neutral gear button, when triggering the low or first gear button, the external splines is engaged with second internal spline；Trigger the top gear
When button, the external splines is engaged with the third internal spline, when triggering the neutral gear button, second internal spline and third
Internal spline is not meshed with the external splines.
10. a kind of winch, characterized in that it comprises: planetary transmission as described in any one of claim 1 to 9, exchange
Variable-frequency motor, the roller for being wound with wirerope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344272.7U CN208221530U (en) | 2018-03-14 | 2018-03-14 | Winch and its planetary transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344272.7U CN208221530U (en) | 2018-03-14 | 2018-03-14 | Winch and its planetary transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221530U true CN208221530U (en) | 2018-12-11 |
Family
ID=64531289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820344272.7U Active CN208221530U (en) | 2018-03-14 | 2018-03-14 | Winch and its planetary transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221530U (en) |
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2018
- 2018-03-14 CN CN201820344272.7U patent/CN208221530U/en active Active
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