CN105621299B - Electronic double speed capstan winch and its method of work - Google Patents
Electronic double speed capstan winch and its method of work Download PDFInfo
- Publication number
- CN105621299B CN105621299B CN201610124841.2A CN201610124841A CN105621299B CN 105621299 B CN105621299 B CN 105621299B CN 201610124841 A CN201610124841 A CN 201610124841A CN 105621299 B CN105621299 B CN 105621299B
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- power transmission
- transmission shaft
- spline
- wheel assembly
- level planetary
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/22—Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/24—Power transmissions between power sources and drums or barrels for varying speed or reversing direction of rotation of drums or barrels, i.e. variable ratio or reversing gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of electronic double speed capstan winch and its method of work, it includes motor, power transmission shaft, winding drum, primary planet wheel assembly, secondary planet wheel assembly, third-level planetary wheel assembly.Provided with the spline moved in the lump with power transmission shaft between the secondary planet wheel assembly and primary planet wheel assembly, and spline moves to form two kinds of station states, state one with power transmission shaft：The third-level planetary wheel support of the secondary planet wheel support and third-level planetary wheel assembly of spline drived connection secondary planet wheel assembly, state two：The tertiary centre wheel of the secondary planet wheel support and third-level planetary wheel assembly of spline drived connection secondary planet component, and tertiary centre wheel is socketed with the spring that promotion and cushioning effect are played to spline.Its method of work is：Power transmission shaft is driven to be axially moved by station controlling organization, so as to drive spline to switch between above two station state, correspondence realizes capstan winch high speed, tick-over.Speed governing of the present invention more reliably, conveniently, is suitable as double-speed electric winch and used.
Description
Technical field
It is a kind of electronic double speed capstan winch and its method of work the present invention relates to capstan winch.
Background technology
Electric capstan is a kind of device that can be used for traction, such as automobile winch, available for saving oneself and apply in adverse circumstances
Rescue.Existing electric capstan is main by structure compositions such as motor, power transmission shaft, speed reducing transmission case, winding drums, by speed reducing transmission case
It is connected the power between motor and winding drum so that the steel wire rope being wrapped on winding drum can produce larger tractive force, realizes
Windlass function.Electric capstan is often provided with clutch, for cutting off motor except traction function in speed reducing transmission case
Power between winding drum is connected, so that facilitate steel wire rope on winding drum pulls operation.Therefore existing electric capstan is mostly
For capstan winch of the single speed with clutch for clutch control, but this single speed capstan winch scope of application is relatively limited, it is more difficult to suitable for multi-speed traction working condition
Operation.Therefore, prior art, which discloses some, has the electric capstan of speed-regulating function again, but existing speed governing is not mostly by
With chi than governor gear realize that not only mounting structure is complicated, volume is larger, and operates more laborious, therefore needs to existing
Speed governing capstan winch is improved.
The content of the invention
To overcome above-mentioned deficiency, the purpose of the present invention is to provide a kind of electronic double speed capstan winch and its work side to this area
Method, solving it, existing similar winch configurations are complex, the technical problem of speed governing more inconvenience.The purpose is to pass through following skill
What art scheme was realized.
The electronic double speed capstan winch is included in capstan winch support, motor, power transmission shaft, winding drum, speed reducing transmission case, speed reducing transmission case
Provided with primary planet wheel assembly, secondary planet wheel assembly, third-level planetary wheel assembly, motor transmission is coupled power transmission shaft one end, transmission
The axle other end be connected primary planet wheel assembly, primary planet wheel assembly, secondary planet wheel assembly, third-level planetary wheel assembly according to
Secondary connection is in deceleration transmission, third-level planetary wheel assembly drive connection winding drum.Its structural feature is the power transmission shaft vertically
It is mobile to form at least two moving stations；The tertiary centre wheel of the third-level planetary wheel assembly is socketed on the power transmission shaft in positioning
Rotation, it is in stepped two sections that tertiary centre wheel is provided with vertically, and one section is and the planetary gear in the third-level planetary wheel assembly
Be driven the centre wheel of engagement, another section be outside socket spring spring base, and spring base end Joining clasp, the spring limit
Between the ladder position of snap ring and the tertiary centre wheel；The spring outer ring set is equipped with spline, the connection of spline inner ring
Snap ring, the snap ring is limited between spring one end and the ladder position, spline one end and the two of the secondary planet wheel assembly
Level planetary carrier holding activity grafting is in drive connection, and when the spline other end is axially moveable with power transmission shaft, formation corresponds to
At least two engagements of power transmission shaft moving station, engagement one is that spline is engaged with the centre wheel of the tertiary centre wheel
Transmission, engagement two is the third-level planetary wheel support engaged transmission of spline and the third-level planetary wheel assembly.
Said structure, drives spline by power transmission shaft, realizes between secondary planet wheel assembly and third-level planetary wheel assembly
Two kinds of drive states, i.e. state one are：The secondary planet wheel support of secondary planet wheel assembly drives third-level planetary wheel by spline
The tertiary centre wheel of component, then drive the planetary gear and third-level planetary wheel support of third-level planetary wheel assembly to turn by tertiary centre wheel
It is dynamic, so as to realize that three-level is slowed down in speed reducing transmission case, it is adaptable to the operating mode of low-speed heave-load；State two is：Secondary planet wheel assembly
Secondary planet wheel support by spline drive third-level planetary wheel assembly third-level planetary wheel support rotate, so as to realize two grades of rows
Star-wheel support and third-level planetary wheel support synchronous axial system, i.e., only realize double reduction, it is adaptable to high speed light loading in speed reducing transmission case
Operating mode.Capstan winch carries low speed and high speed two states, so as to operate with more convenient, the scope of application is wider.
The power transmission shaft is axially moveable to form a clutch station, the third-level planetary wheel branch of the third-level planetary wheel assembly
It is connected between frame and the winding drum by rectangular spline, rectangular spline is socketed on the power transmission shaft in position rotating；When
When the power transmission shaft is moved to clutch station, the rectangular spline depart from both the third-level planetary wheel support, winding drum its
One engagement, when the power transmission shaft is moved to other stations, rectangular spline is nibbled with third-level planetary wheel support, winding drum simultaneously
Close.By setting clutch station, so that the power between convenient cut-out power transmission shaft and winding drum is connected, capstan winch takes rop exercise to do more
It is laborsaving.
The electronic double speed capstan winch also includes station controlling organization, and station controlling organization is located at speed reducing transmission case end, and it is wrapped
Stirring hand, shift fork, clutch seat are included, stirring hand is fixedly connected with shift fork, and the equal rotational positioning of shift fork, clutch seat is in the end of the speed reducing transmission case
In portion's chamber, coordinate between shift fork and clutch seat for grafting in synchronous rotary, and grafting direction and the power transmission shaft axis parallel,
Clutch seat end face offsets with end part of driving shaft positioning；It is provided with the end chambers of the speed reducing transmission case with the clutch seat
During rotation, the rotation ramp for promoting clutch seat to be axially moved along power transmission shaft；The motor is connected by non-return clutch and is driven
Axle, power transmission shaft is in expansion fit relative to non-return clutch, and power transmission shaft is socketed back-moving spring, and back-moving spring one end offsets spacing
In inverse-stopping type shaft coupling, it is spacing that the other end carries out abutting by power transmission shaft connection circlip.By above-mentioned station controlling organization, so that
The axial station regulation of power transmission shaft is conveniently realized, the low speed of capstan winch, high speed, the switching of three kinds of states of clutch, operation is easily realized
Simply, winching operations are more reliable, stably.
The method of work of the electronic double speed capstan winch is：The power transmission shaft is moved along the motor to the stirring hand direction, according to
Secondary formation clutch station, high speed station, low speed station；So that under original state, the power transmission shaft is located at clutch station, now, institute
State third-level planetary wheel support to fail to transmit power to the winding drum by the rectangular spline, winding drum is rotated freely for taking
Line；When rotating the stirring hand, stirring hand drives the shift fork, clutch seat rotation, and clutch seat is moved along the rotation ramp, described
Under action of reset spring, power transmission shaft is moved towards stirring hand direction, and power transmission shaft drives the rectangular spline, tertiary centre wheel to transport in the lump
It is dynamic, until rectangular spline is engaged with the third-level planetary wheel support, winding drum transmission, meanwhile, the tertiary centre wheel drives institute
State spline to engage with the secondary planet wheel support, the transmission of third-level planetary wheel support, i.e., power transmission shaft reaches high speed station, the station
Under, power transmission shaft rotation only drives primary planet wheel assembly, secondary planet wheel assembly to realize double reduction, secondary planet wheel assembly with
Deceleration is not formed between third-level planetary wheel assembly, therefore winding drum is rotation at a high speed；When continuation rotates the stirring hand, the power transmission shaft
Continue towards the movement of stirring hand direction, the rectangular spline is still kept and the third-level planetary wheel support, winding drum with power transmission shaft movement
Transmission engagement, after the tertiary centre wheel is moved with power transmission shaft, tertiary centre wheel drives the spline movement, and spline one end is still protected
Hold and engaged with secondary planet wheel support transmission, the spline other end departs to be engaged with the transmission of the third-level planetary wheel support,
And realize and engage with the centre wheel of the tertiary centre wheel, i.e., power transmission shaft is reached under low speed station, the station, power transmission shaft rotate according to
Secondary drive primary planet wheel assembly, secondary planet wheel assembly, third-level planetary wheel assembly realize that three-level is slowed down, and winding drum revolves for low speed
Turn；When stirring hand described in reverse operating, the promotion power transmission shaft is cut by low speed Switch of working position to high speed station, then by high speed station
When shifting to clutch station, the spring that the movement of the spline is positioned by the tertiary centre wheel promotes realization, and works as spline
When moving into place, spring plays compression buffering.
Overall structure of the present invention is relatively simple, compact, and speed governing, clutch operation are more convenient, reliable, is suitable as double speed electricity
Dynamic capstan winch is used, or the speed regulating structure of similar capstan winch is improved.
Brief description of the drawings
Fig. 1 is the status architecture schematic diagram of rotating speed one of the present invention.
Fig. 2 is the rotating speed two-state structural representation of the present invention.
Fig. 3 is the clutch state structural representation of the present invention.
Fig. 4 is Fig. 1 part-structure schematic diagram.
Sequence number and entitled in figure：1st, motor, 2, non-return clutch, 3, back-moving spring, 4, winding drum, 5, rectangular flower
Key, 6, third-level planetary wheel left socle, 7, third-level planetary wheel assembly, 8, third-level planetary wheel right support, 9, tertiary centre wheel, 901, bullet
Spring abutment, 10, spline, 11, secondary planet wheel left socle, 12, secondary planet wheel assembly, 13, spring, 14, primary planet wheel assembly,
15th, speed reducing transmission case, 16, power transmission shaft, 17, rotation ramp, 18, clutch seat, 19, shift fork, 20, stirring hand.
Embodiment
In conjunction with accompanying drawing, the invention will be further described.
As Figure 1-4, the electronic double speed capstan winch includes capstan winch support, motor 1, power transmission shaft 16, winding drum 4, biography of slowing down
Dynamic case 15, station controlling organization.Primary planet wheel group 14, secondary planet wheel assembly 12, three-level row are provided with speed reducing transmission case
Star wheel component 7, motor is coupled power transmission shaft one end by non-return clutch, and the power transmission shaft other end is driven by primary centre wheel to be connected
Primary planet wheel assembly is connect, primary planet wheel assembly, secondary planet wheel assembly, third-level planetary wheel assembly are in turn connected to form deceleration
Transmission, forms double reduction by existing conventional connection wherein between primary planet wheel assembly and secondary planet wheel assembly and is driven,
The drive mechanism then designed between secondary planet wheel assembly and third-level planetary wheel assembly using the present invention.Specially：Power transmission shaft edge
The axially tertiary centre wheel 9 of socket third-level planetary wheel assembly, and tertiary centre wheel is in live by jump ring positioning relative to power transmission shaft
Dynamic rotation, it is in stepped two sections that tertiary centre wheel is provided with vertically,（External diameter is big）One section be with third-level planetary wheel assembly
Planet gear transmission engagement centre wheel,（External diameter is small）Another section is the spring base 901 for being socketed spring 13, and spring base end
Joining clasp, spring-compressed is limited between snap ring and the ladder position of tertiary centre wheel.Spring outer ring set is equipped with spline 10,
Spline inner ring Joining clasp, the snap ring is limited between spring one end and ladder position, spline one end and secondary planet wheel assembly
Secondary planet wheel left socle 11 keep the drive connection of sliding plug formula, the spline other end is moved with power transmission shaft and in spring effect
Lower to form two kinds of engagements, a kind of engagement is：The spline end and the centre wheel engaged transmission of tertiary centre wheel, it is another
Engagement is：The spline end and the engaged transmission of third-level planetary wheel right support 8 of third-level planetary wheel assembly, pass through two kinds of shapes
State, that is, correspond to two moving stations of power transmission shaft, the high speed and low speed two states of two moving station correspondence capstan winches.
Power transmission shaft 16 also sets up a clutch station, the three-level of third-level planetary wheel assembly 7 in addition to above-mentioned two moving station
It is connected between planetary gear left socle 6 and winding drum 4 by rectangular spline 5, rectangular spline is socketed on power transmission shaft and by card
Spring positioning in rotation, when power transmission shaft is moved to clutch station, rectangular spline keep with winding drum engaged transmission, but with three-level row
Star-wheel left socle is disengaged from, when power transmission shaft is moved to low speed, the high speed station of capstan winch, and rectangular spline is while and third-level planetary
Take turns left socle, winding drum transmission engagement.
In order to realize capstan winch in clutch, at a high speed low speed, three Switch of working position, the electronic double speed capstan winch also includes control transmission
The station controlling organization that axle is axially moveable, station controlling organization is located at the end of speed reducing transmission case 15, and it includes stirring hand 20, shift fork
19th, clutch seat 18, stirring hand is fixedly connected with shift fork, and the equal rotational positioning of shift fork, clutch seat is dialled in the end chambers of speed reducing transmission case
Coordinate between fork and clutch seat for grafting in synchronous rotary, and grafting direction and power transmission shaft axis parallel, clutch seat end face is with passing
The positioning of moving axis end offsets.Provided with when being rotated with clutch seat, promoting clutch seat along power transmission shaft in the end chambers of speed reducing transmission case
The rotation ramp 17 of axial movement.Motor connects power transmission shaft 16 by non-return clutch 2, and power transmission shaft is relative to inverse-stopping type clutch
Device is in expansion fit, and power transmission shaft is socketed back-moving spring 3, and back-moving spring one end, which offsets, is limited in inverse-stopping type shaft coupling end, another
End is pushed against spacing by power transmission shaft connection circlip by jump ring to back-moving spring end face.
With reference to said structure, operation principle of the invention is：By station controlling organization control power transmission shaft 16 along motor 1 to dial
The direction of hand 20 is moved, and sequentially forms clutch station, high speed station, low speed station.So that under original state, power transmission shaft is located at clutch work
Position, as shown in figure 3, now, because third-level planetary wheel left socle and rectangular spline are disengaged from, therefore third-level planetary wheel left socle 6
Fail by the transfer motion power of rectangular spline 5 to winding drum 4, winding drum is rotated freely for line taking.When rotation stirring hand, stirring hand drives
Shift fork 19, clutch seat 18 are rotated, and clutch seat is moved along rotation ramp 17, under the effect of back-moving spring 3, promote power transmission shaft towards stirring hand
Direction is moved, and power transmission shaft drives rectangular spline, tertiary centre wheel 9 to move in the lump, until rectangular spline and third-level planetary wheel branch
Frame, winding drum transmission engagement, meanwhile, tertiary centre wheel drives spline 10 and secondary planet wheel left socle 11, third-level planetary wheel right
The transmission engagement of support 8, i.e., power transmission shaft reaches high speed station, as shown in Fig. 2 under the station, power transmission shaft rotation only drives one-level row
Star wheel component 14, secondary planet wheel assembly 12 realize double reduction, between secondary planet wheel assembly and third-level planetary wheel assembly 7 not
Formed and slowed down, therefore winding drum is rotation at a high speed.When continuing to rotate stirring hand, power transmission shaft continues towards the movement of stirring hand direction, rectangular spline
Still keep engaging with third-level planetary wheel left socle, winding drum transmission with power transmission shaft movement, after tertiary centre wheel is moved with power transmission shaft,
The end difference bit strip of tertiary centre wheel moves spline movement, and spline one end still keeps engaging with the transmission of secondary planet wheel left socle, flower
The key other end departs to be engaged with the transmission of third-level planetary wheel right support, and is engaged with the centre wheel realization of tertiary centre wheel, that is, is passed
Moving axis reaches low speed station, as Figure 1 and Figure 4, under the station, power transmission shaft rotation drive successively primary planet wheel assembly, two grades
Planetary wheeling assembly, third-level planetary wheel assembly realize that three-level is slowed down, and winding drum is low speed rotation.When reverse operating stirring hand, promote and pass
Moving axis by low speed Switch of working position to high speed station, then by high speed Switch of working position to clutch station when, spline is determined by tertiary centre wheel
Position spring promote in place, and in place after, spring further compress buffer pressuring action.
Above content is intended to illustrate the technological means of invention, not limits the technical scope of the present invention.Art technology
Personnel do conspicuously improved with reference to existing common knowledge to the present invention, also fall into the claims in the present invention protection domain it
It is interior.
Claims (4)
1. a kind of electronic double speed capstan winch, it includes capstan winch support, motor（1）, power transmission shaft（16）, winding drum（4）, speed reducing transmission case
（15）, speed reducing transmission case is interior to be provided with primary planet wheel assembly（14）, secondary planet wheel assembly（12）, third-level planetary wheel assembly（7）,
Motor drive connection power transmission shaft one end, power transmission shaft other end drive connection primary planet wheel assembly, primary planet wheel assembly, two grades
Planetary wheeling assembly, third-level planetary wheel assembly are sequentially connected in deceleration transmission, third-level planetary wheel assembly drive connection winding drum；It is special
Levy and be the power transmission shaft（16）It is axially moveable to form at least two moving stations；The third-level planetary wheel assembly（7）Three
Level centre wheel（9）The power transmission shaft is socketed in position rotating, it is in stepped two sections, one section that tertiary centre wheel is provided with vertically
It is the centre wheel engaged with the planet gear transmission in the third-level planetary wheel assembly, another section is outside socket spring（13）Bullet
Spring abutment（901）, and spring base end Joining clasp, the spring retainer in the ladder position of snap ring and the tertiary centre wheel it
Between；The spring outer ring set is equipped with spline（10）, spline inner ring Joining clasp, the snap ring is limited in spring one end and the rank
Between terraced position, spline one end and the secondary planet wheel assembly（12）Secondary planet wheel support holding activity plug-in type transmission
Connection, when the spline other end is axially moveable with power transmission shaft, forms at least two engagement shapes corresponding to power transmission shaft moving station
State, engagement one is the centre wheel engaged transmission of spline and the tertiary centre wheel, and engagement two is spline and described three
The third-level planetary wheel support engaged transmission of level planetary wheeling assembly.
2. electronic double speed capstan winch according to claim 1, it is characterised in that the power transmission shaft（16）It is axially moveable to be formed
One clutch station, the third-level planetary wheel assembly（7）Third-level planetary wheel support and the winding drum（4）Between pass through rectangle
Spline（5）Drive connection, rectangular spline is socketed on the power transmission shaft in position rotating；When the power transmission shaft is moved to clutch station
When, the rectangular spline disengaging is engaged with both the third-level planetary wheel support, winding drum one, when power transmission shaft movement
During to other stations, rectangular spline is engaged with third-level planetary wheel support, winding drum simultaneously.
3. electronic double speed capstan winch according to claim 1 or 2, it is characterised in that the electronic double speed capstan winch also includes station control
Mechanism processed, station controlling organization is located at speed reducing transmission case（15）End, it includes stirring hand（20）, shift fork（19）, clutch seat（18）,
Stirring hand is fixedly connected with shift fork, and the equal rotational positioning of shift fork, clutch seat is in the end chambers of the speed reducing transmission case, shift fork and clutch
Coordinate between seat for grafting in synchronous rotary, and grafting direction and the power transmission shaft（16）Axis parallel, clutch seat end face and institute
End part of driving shaft positioning is stated to offset；In the end chambers of the speed reducing transmission case provided with when being rotated with the clutch seat, promote from
Close the rotation ramp that seat is axially moved along power transmission shaft（17）；The motor passes through non-return clutch（2）Connect power transmission shaft, transmission
Axle is in expansion fit, power transmission shaft socket back-moving spring relative to non-return clutch（3）, back-moving spring one end offset be limited in it is inverse
Only formula shaft coupling, the other end by power transmission shaft connection circlip push against spacing.
4. a kind of method of work of electronic double speed capstan winch as claimed in claim 3, it is characterised in that the power transmission shaft（16）Edge
The motor（1）To the stirring hand（20）Direction is moved, and sequentially forms clutch station, high speed station, low speed station；With initial shape
Under state, the power transmission shaft is located at clutch station, and now the third-level planetary wheel support fails by rectangular spline（5）Transmit power
To the winding drum（4）, winding drum rotated freely for line taking；When rotating the stirring hand, stirring hand drives the shift fork（19）, from
Close seat（18）Rotation, clutch seat is along the rotation ramp（17）Motion, in the back-moving spring（3）Under effect, power transmission shaft court dials
Hand direction is moved, and power transmission shaft drives the rectangular spline, tertiary centre wheel（9）Move in the lump, until rectangular spline with it is described
Third-level planetary wheel support, winding drum transmission engagement, meanwhile, the tertiary centre wheel drives the spline（10）With two grades of rows
Star-wheel support, the transmission engagement of third-level planetary wheel support, i.e., power transmission shaft reaches high speed station, under the station, power transmission shaft rotation only band
Dynamic primary planet wheel assembly, secondary planet wheel assembly realize double reduction, secondary planet wheel assembly and third-level planetary wheel assembly it
Between do not form deceleration, therefore winding drum is rotates at a high speed；When continuing to rotate the stirring hand, the power transmission shaft continues to move towards stirring hand direction
Dynamic, the rectangular spline still keeps engaging with the third-level planetary wheel support, winding drum transmission with power transmission shaft movement, the three-level
After centre wheel is moved with power transmission shaft, tertiary centre wheel drives the spline movement, and spline one end is still kept and the secondary planet
Wheel support transmission engagement, the spline other end depart from is engaged with the transmission of the third-level planetary wheel support, and with the tertiary centre
The centre wheel of wheel realizes that engagement, i.e. power transmission shaft are reached under low speed station, the station, and power transmission shaft rotation drives primary planet wheel successively
Component, secondary planet wheel assembly, third-level planetary wheel assembly realize that three-level is slowed down, and winding drum is low speed rotation；When reverse operating institute
State stirring hand, promote the power transmission shaft by low speed Switch of working position to high speed station, then by high speed Switch of working position to clutch station when, institute
The spring promotion realization that the movement of spline is positioned by the tertiary centre wheel is stated, and when spline is moved into place, spring rises
Compress the effect of buffering.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124841.2A CN105621299B (en) | 2016-03-04 | 2016-03-04 | Electronic double speed capstan winch and its method of work |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124841.2A CN105621299B (en) | 2016-03-04 | 2016-03-04 | Electronic double speed capstan winch and its method of work |
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| CN105621299A CN105621299A (en) | 2016-06-01 |
| CN105621299B true CN105621299B (en) | 2017-10-13 |
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|---|---|---|---|---|
| CN106006420B (en) * | 2016-06-22 | 2018-05-15 | 宁波联达绞盘有限公司 | Electronic double speed capstan winch and its method of work |
| CN106976813B (en) * | 2017-04-24 | 2022-08-09 | 宁波联达绞盘有限公司 | Winch |
| CN108980288A (en) * | 2018-09-30 | 2018-12-11 | 天津思耐德精密机械有限公司 | Smart home renovates buffer with electric drive |
| CN112279129B (en) * | 2019-11-07 | 2021-10-29 | 浙江润华机电有限公司 | Electric capstan equipment |
| CN112141924B (en) * | 2020-11-09 | 2024-01-26 | 天津市天森智能设备有限公司 | Winch structure for improving transmission ratio based on planetary gear and application method thereof |
| CN116654796B (en) * | 2023-08-01 | 2023-10-20 | 河南东起机械有限公司 | Luffing mechanism of tower crane |
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| CN201619982U (en) * | 2010-03-08 | 2010-11-03 | 江阴中新工程设备有限公司 | Speed-variable hydraulic winch |
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| CN205472376U (en) * | 2016-03-04 | 2016-08-17 | 宁波联达绞盘有限公司 | Electronic double speed capstan winch |
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