CN106865432A - It is a kind of with laborsaving and anti-drop function hand goods lift - Google Patents
It is a kind of with laborsaving and anti-drop function hand goods lift Download PDFInfo
- Publication number
- CN106865432A CN106865432A CN201710294258.0A CN201710294258A CN106865432A CN 106865432 A CN106865432 A CN 106865432A CN 201710294258 A CN201710294258 A CN 201710294258A CN 106865432 A CN106865432 A CN 106865432A
- Authority
- CN
- China
- Prior art keywords
- planet circular
- rotary shaft
- circular system
- rope
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B66D1/04—Driving gear manually operated
-
- 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
- B66D1/54—Safety gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
Abstract
The present invention relates to goods jack lifting means field, disclose a kind of with laborsaving and anti-drop function hand goods lift.Including moment amplification mechanism, unidirectional self-lock mechanism and clutch；Moment amplification mechanism includes the multiple planet circular systems being sequentially connected, and the planetary gear of planet circular system foremost is driven by a driving handle, and the sun wheel shaft of a planet circular system of rearmost end is provided with rope-winding wheel, and rope-winding wheel is provided with lifting rope；Unidirectional self-lock mechanism includes the rotatable rotary shaft for setting and the retainer plate being fixedly installed, and retainer plate is coaxially set in the periphery of rotary shaft and is provided with multigroup for stopping the self-locking element that rotary shaft is rotated along goods descent direction between retainer plate and rotary shaft.The present invention can reach the effect of obvious laborsaving speed-raising, single operation personnel also easily by heavier freight lifting and being avoided that rocking handle is slipped out of the hand causes weight to fall can be caused the loss of people and goods.
Description
Technical field
It is specifically a kind of with laborsaving and anti-drop function manual the present invention relates to goods jack lifting means field
Formula goods lift.
Background technology
Goods lift is a kind of crane gear for being widely used in construction site and factory, for by various materials and
Instrument is promoted to destination height and builds or produce so as to supply.Goods lift can be divided into hand drive according to type of drive
Dynamic formula and motor-driven, driven by shaking formula therein have simple structure, it is easy to accomplish, it is easy to the advantage safeguarded, can expire
The lifting of the middle-size and small-size goods of foot.
It is dynamic with motor-driven in the prior art because the power input of driven by shaking formula goods lift is manpower
Power input is compared to weaker, so not only wasting manpower, Er Qierong, it is necessary to suitably increase staff when heavier goods is lifted
Rubber sleeve easily occurs causes goods to fall, and is the big hidden danger in construction site and factory.
The content of the invention
The present invention is intended to provide a kind of can significantly increase lifting goods weight and ensure in operating area having for safety
Laborsaving and anti-drop function hand goods lift.
In order to solve the above technical problems, the technical solution adopted by the present invention is：It is a kind of with laborsaving and anti-drop function
Hand goods lift, including moment amplification mechanism, unidirectional self-lock mechanism and for coupling torque enlarger and list
To the clutch of self-locking mechanism；The moment amplification mechanism includes the multiple planet circular systems being sequentially connected, each planet
Train includes a ring gear, the sun wheel shaft being arranged in ring gear centre bore, the sun tooth being arranged in sun wheel shaft
Wheel and the planetary gear being meshed with ring gear and central gear simultaneously, the sun wheel shaft of previous planet circular system pass through one
Crank throw drives the latter planetary gear of planet circular system, and the planetary gear positioned at planet circular system foremost is by a driving handle
It is driven, the part stretched out after corresponding ring gear centre bore positioned at the sun wheel shaft of a planet circular system of rearmost end is fixed
Rope-winding wheel is provided with, rope-winding wheel is provided with the lifting rope for connecting goods；The unidirectional self-lock mechanism includes turning for rotatable setting
Moving axis and the retainer plate being fixedly installed, the rotary shaft is by the clutch and a planet circular system for being located at rearmost end
Sun wheel shaft is connected, and the retainer plate is coaxially set in the periphery of rotary shaft and is provided between retainer plate and rotary shaft many
Group is for stopping the self-locking element that rotary shaft is rotated along goods descent direction.
Preferably, the moment amplification mechanism includes two planet circular systems, and the sun wheel shaft of two planet circular systems is coaxial
Set, a planetary gear of one of planet circular system is connected with the driving handle, the sun gear of another planet circular system
The rope-winding wheel is provided with axle, the sun wheel shaft of the planet circular system being connected with driving handle is connected to and rope-winding wheel by crank throw
In connected planet circular system on a planetary gear.
Preferably, the moment amplification mechanism includes the planet circular system no less than three, and in all planet circular systems too
Positive wheel shaft is coaxially disposed, a planetary gear and the driving in a planet circular system of moment amplification device front end
Handle is connected, and a sun wheel shaft for planet circular system positioned at moment amplification mechanism rear end is connected with the rope-winding wheel, and arbitrarily
One of planetary gear in one planet circular system is connected to adjacent and positioned at the driving handle side by crank throw
In one sun wheel shaft of planet circular system.
Preferably, the self-locking element in the unidirectional self-lock mechanism is more on rotary shaft periphery including being opened in vertically
Clamp bar slot and the roller being arranged in draw-in groove, the cross section of the draw-in groove is wedge shape, the roller for cylinder and with rotation
Axle is set in the same direction, the periphery of roller by be arranged in draw-in groove in shorter a line press closer in the presence of spring respectively with card
The inwall of a line more long and retainer plate is tightly touched in groove.
Preferably, uniform intervals are provided with four groups of self-locking elements in the rotary shaft.
Preferably, the clutch includes that axially spaced setting is located at one sun wheel shaft of sun train of rearmost end
A plurality of slide rail on periphery, slidably it is set in positioned at one sun wheel shaft of sun train of rearmost end by coordinating with slide rail
On sleeve shaped sliding block and multiple jacks for being disposed on the rotary shaft end face of unidirectional self-lock mechanism, in the sliding block
The upper end face near unidirectional self-lock mechanism one end is provided with the multiple inserting columns corresponding with multiple jacks.
Preferably, four are provided with the uniform intervals on a periphery for the sun wheel shaft of sun train of rearmost end
The slide rail of rectangle, the inserting column of six roots of sensation rectangle is provided with sliding block on the end face of unidirectional self-lock mechanism one end, and six roots of sensation rectangle
Inserting column is radially distributed, and six jacks are correspondingly provided with the end face of unidirectional self-lock mechanism rotary shaft.
Beneficial effect
The present invention rotates driving handle during freight lifting, after power is by the amplification of the moment amplification mechanism in centre position, then
Rotated heavy lift by rope-winding wheel.There is planet circular system in moment amplification mechanism planetary gear to be input into, and sun gear amplifies output
Moment amplification effect, in preferred embodiment, two or more planet circular systems can be set, so that the present invention has multistage power
Square amplification and speed castering action, therefore can reach obvious laborsaving speed-raising using moment amplification mechanism of the invention
Effect, makes single operation personnel also easily by heavier freight lifting, so as to save manpower and materials can improve lifting effect
Rate, reduces the labour intensity of operator.
The present invention installs unidirectional self-lock mechanism additional in rope-winding wheel position.When rope-winding wheel rotates lifting heavy, unidirectional self-lock machine
Structure does not have self-locking to rotate, and after driving handle departs from hand, weight will have the trend of whereabouts, unidirectional self-lock means block its turn
Moving axis is rotated backward, and now unidirectional self-lock mechanism carries out self-locking, reaches the effect for preventing weight from falling.After weight completes lifting,
When lifting rope being put down into rope-winding wheel need to rotate backward, can be by the clutch of moment amplification mechanism and unidirectional self-lock mechanism center section
Mechanism, disconnects the transmission of rope sheave and self-locking mechanism rotary shaft, and now unidirectional self-lock mechanism is ineffective, smoothly can put lifting rope
Under.Effectively prevent operator stir driving handle during, driving handle is surprisingly slipped out of the hand causes weight to fall, cause people and
The loss of goods.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the cross-sectional view of unidirectional self-lock mechanism of the present invention；
Fig. 3 is the structural representation of clutch of the present invention；
Marked in figure：1st, planet circular system, 101, ring gear, 102, sun wheel shaft, 103, central gear, 104, planetary gear, 2,
Crank throw, 3, driving handle, 4, rope-winding wheel, 5, lifting rope, 6, rotary shaft, 7, retainer plate, 8, self-locking element, 801, draw-in groove, 802, rolling
Son, 803, press closer spring, 9 slide rails, 10 sliding blocks, 11, jack, 12, inserting column.
Specific embodiment
As shown in Figure 1 to Figure 3, it is of the invention a kind of with laborsaving and anti-drop function hand goods lift, bag
Include moment amplification mechanism, unidirectional self-lock mechanism and for coupling torque enlarger and the clutch of unidirectional self-lock mechanism.
The effect of obvious laborsaving speed-raising can be reached using moment amplification mechanism of the invention, make single operation personnel also can easily by
Heavier freight lifting, so as to save manpower and materials, improves raising efficiency, reduces the labour intensity of operator.Pass through
Unidirectional self-lock mechanism can be prevented effectively from operator during driving handle 3 is stirred, and unexpected the slipping out of the hand of driving handle 3 causes weight to fall
Fall, cause the loss of people and goods.
Moment amplification mechanism of the invention mainly carries out moment amplification by planet circular system 1.The quantity of planet circular system 1 can set
One or more are set to, are illustrated as a example by three planet circular systems 1 are set in the present embodiment.As shown in figure 1, each planetary gear
It is 1 to include ring gear 101, the sun wheel shaft 102 being arranged in the centre bore of ring gear 101, be arranged on sun wheel shaft 102
On central gear 103 and the planetary gear 104 that is meshed with ring gear 101 and central gear 103 simultaneously, and moment amplification
Three sun wheel shafts of planet circular system 1 102 in mechanism are coaxially disposed.In the one of row positioned at left row star wheel series 1
The driving handle 3 coaxial with the sun wheel shaft 102 of the planet circular system 1 is connected with star gear 104.In the planetary gear positioned at right side
Be 1 sun wheel shaft 102 on be fixed with rope-winding wheel 4, rope-winding wheel 4 is provided with the lifting rope 5 for connecting goods.Positioned at centre
One of planetary gear 104 of planet circular system 1 is connected by crank throw 2 with the sun wheel shaft 102 of left side planet circular system 1,
Sun wheel shaft 102 in middle planetary train 1 is again by crank throw 2 and one of planet tooth of right side planet circular system 1
Wheel 104 is connected.Three planet circular systems 1 are input into by planetary gear 104, and central gear 103 is exported, and reaches expansion input power
Square, lifts the purpose of output speed.
Unidirectional self-lock mechanism of the invention includes the rotatable rotary shaft 6 for setting and the retainer plate 7 being fixedly installed, rotary shaft
6 are connected in the sun gear rotating shaft of rightmost side planet circular system 1 one away from moment amplification mechanism and rope-winding wheel 4 by clutch
End.Retainer plate 7 is coaxially set in the periphery of rotary shaft 6, and uniform intervals are provided with four groups of use between retainer plate 7 and rotary shaft 6
In the self-locking element 8 that stop rotary shaft 6 is rotated along goods descent direction.Self-locking element 8 in the present embodiment includes opening vertically
The draw-in groove 801 being located on the periphery of rotary shaft 6 and the roller 802 being arranged in draw-in groove 801, the cross section of draw-in groove 801 is wedge
Shape, roller 802 for cylinder and with rotary shaft 6 in the same direction set, and roller 802 periphery by being arranged on wedge-shaped draw-in groove 801
The inwall inside pressed closer in shorter a line in the presence of spring 803 respectively with a line more long in draw-in groove 801 and retainer plate 7 is tight
Touch.Self-locking action of the unidirectional self-lock mechanism of the invention using the roller 802 of cylinder in the draw-in groove 801 of wedge shape, retainer plate 7
It is fixedly installed with frame, it is impossible to rotate, so as to rotary shaft 6 is locked.In the present embodiment, when with moment amplification mechanism drive goods
Lifting, when the rotary shaft 6 in unidirectional self-lock mechanism is rotated clockwise, the spring 803 that presses closer of top pressure roller 802 shrinks, now single
Rotary shaft 6 will not be locked to self-locking mechanism, so can rotate, make goods normal hoisting.It is single when weight has whereabouts trend
Rotated counterclockwise to the rotary shaft 6 of self-locking mechanism, press closer spring 803 and extend, the roller 802 of cylinder is in wedge-shaped draw-in groove
There is self-locking in 801, rotary shaft 6 is locked together with the retainer plate 7 being fixed on, effectively prevent operator in agitation driving handle
During 3, unexpected the slipping out of the hand of driving handle 3 causes weight to fall, and causes the loss of people and goods.
Clutch of the invention include it is axially spaced be arranged in the sun wheel shaft 102 of rightmost side planet circular system 1 away from
A plurality of slide rail 9 on the periphery of moment amplification mechanism and the one end of rope-winding wheel 4, slidably it is set in by coordinating with slide rail 9
The sliding block 10 of the sleeve shaped in sun gear rotating shaft and the multiple being disposed on the end face of rotary shaft 6 of unidirectional self-lock mechanism are inserted
Hole 11.The multiple corresponding with multiple jacks 11 is provided with the end face of unidirectional self-lock mechanism one end on sliding block 10 to insert
Post 12.In the present embodiment, uniform intervals are provided with four slide rails of rectangle 9 in the sun wheel shaft 102 of rightmost side planet circular system 1,
End face of the sliding block 10 near unidirectional self-lock mechanism one end is provided with the inserting column 12 of six roots of sensation rectangle, and the inserting column 12 of six roots of sensation rectangle is in spoke
Shape distribution is penetrated, six jacks 11 are correspondingly provided with the end face of unidirectional self-lock mechanism rotary shaft 6.
In specific implementation process of the invention, the sliding block 10 in clutch is stirred first, make on the end face of sliding block 10
In jack 11 in the insertion unidirectional self-lock of inserting column 12 mechanism rotary shaft 6, so as to moment amplification mechanism and unidirectional self-lock mechanism be connected
Connect.Then driving handle 3 is stirred, drives rope-winding wheel 4 to rotate by the moment of torsion amplification of planet circular system 1, and by lifting rope 5
Winding lifts to height undetermined goods.Sliding block 10 in clutch is stirred again after goods is removed, makes the end of sliding block 10
Inserting column 12 on face is exited in the jack 11 from rotary shaft 6, moment amplification mechanism and unidirectional self-lock mechanism is disconnected, you can anti-
To agitation driving handle 3, the end of lifting rope 5 is put to ground, carry out the freight lifting of next round.
Claims (7)
1. a kind of with laborsaving and anti-drop function hand goods lift, it is characterised in that：Including moment amplification mechanism,
Unidirectional self-lock mechanism and for coupling torque enlarger and the clutch of unidirectional self-lock mechanism；The moment amplification mechanism
Including the multiple planet circular systems being sequentially connected（1）, each planet circular system（1）Include a ring gear（101）, be arranged on
Ring gear（101）Sun wheel shaft in centre bore（102）, be arranged on sun wheel shaft（102）On central gear（103）And it is same
When and ring gear（101）And central gear（103）The planetary gear being meshed（104）, previous planet circular system（1）Sun gear
Axle（102）By a crank throw（2）Drive latter planet circular system（1）Planetary gear（104）, positioned at planetary gear foremost
System（1）Planetary gear（104）By a driving handle（3）It is driven, positioned at a planet circular system of rearmost end（1）Too
Positive wheel shaft（102）Stretch out corresponding ring gear（101）Part after centre bore is fixed with rope-winding wheel（4）, rope-winding wheel（4）On set
There is the lifting rope for connecting goods（5）；The unidirectional self-lock mechanism includes the rotatable rotary shaft for setting（6）Be fixedly installed
Retainer plate（7）, the rotary shaft（6）By the clutch and a planet circular system for being located at rearmost end（1）Sun gear
Axle（102）Drive connection, the retainer plate（7）Coaxially it is set in rotary shaft（6）Periphery and in retainer plate（7）And rotary shaft
（6）Between be provided with multigroup for stopping rotary shaft（6）Along the self-locking element that goods descent direction is rotated（8）.
2. according to claim 1 a kind of with laborsaving and anti-drop function hand goods lift, its feature exists
In：The moment amplification mechanism includes two planet circular systems（1）, and two planet circular systems（1）Sun wheel shaft（102）Coaxially set
Put, one of planet circular system（1）A planetary gear（104）With the driving handle（3）It is connected, another planet circular system
（1）Sun wheel shaft（102）On be provided with the rope-winding wheel（4）, with driving handle（3）Connected planet circular system（1）The sun
Wheel shaft（102）By crank throw（2）It is connected to and rope-winding wheel（4）Connected planet circular system（1）In a planetary gear（104）On.
3. according to claim 1 a kind of with laborsaving and anti-drop function hand goods lift, its feature exists
In：The moment amplification mechanism includes the planet circular system no less than three（1）, and all planet circular systems（1）In sun wheel shaft
（102）It is coaxially disposed, positioned at a planet circular system of moment amplification device front end（1）In a planetary gear（104）With
The driving handle（3）It is connected, positioned at a planet circular system of moment amplification mechanism rear end（1）Sun wheel shaft（102）With institute
State rope-winding wheel（4）It is connected, and any one planet circular system（1）In one of planetary gear（104）Pass through crank throw（2）Even
It is connected to adjacent and positioned at the driving handle（3）One planet circular system of side（1）Sun wheel shaft（102）On.
4. according to claim 1 a kind of with laborsaving and anti-drop function hand goods lift, its feature exists
In：Self-locking element in the unidirectional self-lock mechanism（8）Including being opened in rotary shaft vertically（6）Many clamp bar slots on periphery
（801）And it is arranged on draw-in groove（801）Interior roller（802）, the draw-in groove（801）Cross section for wedge shape, the roller
（802）It is cylinder and and rotary shaft（6）Set in the same direction, roller（802）Periphery by being arranged on draw-in groove（801）It is inside shorter
Spring is pressed closer in a line（803）In the presence of respectively with draw-in groove（801）Inside a line more long and retainer plate（7）Inwall
Tightly touch.
5. according to claim 4 a kind of with laborsaving and anti-drop function hand goods lift, its feature exists
In：In the rotary shaft（6）Upper uniform intervals are provided with four groups of self-locking elements（8）.
6. according to claim 1 a kind of with laborsaving and anti-drop function hand goods lift, its feature exists
In：The clutch includes that axially spaced setting is located at one sun train of rearmost end（1）Sun wheel shaft（102）Circumference
A plurality of slide rail on face（9）, by with slide rail（9）Cooperation is slidably set in positioned at one sun train of rearmost end（1）Too
Positive wheel shaft（102）On sleeve shaped sliding block（10）And it is disposed on the rotary shaft of unidirectional self-lock mechanism（6）On end face
Multiple jacks（11）, in the sliding block（10）The upper end face near unidirectional self-lock mechanism one end is provided with and multiple jacks
（11）Corresponding multiple inserting columns（12）.
7. according to claim 6 a kind of with laborsaving and anti-drop function hand goods lift, its feature exists
In：In a sun train positioned at rearmost end（1）Sun wheel shaft（102）Periphery on uniform intervals be provided with four rectangles
Slide rail（9）, in sliding block（10）End face near unidirectional self-lock mechanism one end is provided with the inserting column of six roots of sensation rectangle（12）, and the six roots of sensation
The inserting column of rectangle（12）Radially it is distributed, in unidirectional self-lock mechanism rotary shaft（6）End face on be correspondingly provided with six jacks
（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294258.0A CN106865432A (en) | 2017-04-28 | 2017-04-28 | It is a kind of with laborsaving and anti-drop function hand goods lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294258.0A CN106865432A (en) | 2017-04-28 | 2017-04-28 | It is a kind of with laborsaving and anti-drop function hand goods lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106865432A true CN106865432A (en) | 2017-06-20 |
Family
ID=59161320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294258.0A Pending CN106865432A (en) | 2017-04-28 | 2017-04-28 | It is a kind of with laborsaving and anti-drop function hand goods lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106865432A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180625Y (en) * | 1993-04-06 | 1994-10-26 | 北京特种车辆研究所 | Electric and manual two-purpose hoist |
| CN1286212A (en) * | 2000-10-19 | 2001-03-07 | 上海交通大学 | Planetary gear driver for lifter, especially elevator |
| WO2008136211A1 (en) * | 2007-05-02 | 2008-11-13 | National Institute Of Advanced Industrial Science And Technology | High reduction combined planetary gear mechanism |
| CN101508405A (en) * | 2009-03-13 | 2009-08-19 | 宁波中意液压马达有限公司 | Hydraulic winch with hand clutch |
| CN203255904U (en) * | 2013-05-13 | 2013-10-30 | 湖南省三立矿业机械科技有限公司 | Hand-operated winch |
| CN104477803A (en) * | 2014-11-05 | 2015-04-01 | 中联重科股份有限公司 | Crane and hoisting mechanism thereof |
| CN105016226A (en) * | 2015-06-10 | 2015-11-04 | 曹兴奎 | Electric equipment dragging device |
| CN105972201A (en) * | 2016-05-04 | 2016-09-28 | 施耐德电气(厦门)开关设备有限公司 | Improved locking device for main rotating shaft and application |
| CN106044607A (en) * | 2016-07-29 | 2016-10-26 | 王利柱 | Bothway reverse stop device and bothway reverse stop hand device |
-
2017
- 2017-04-28 CN CN201710294258.0A patent/CN106865432A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180625Y (en) * | 1993-04-06 | 1994-10-26 | 北京特种车辆研究所 | Electric and manual two-purpose hoist |
| CN1286212A (en) * | 2000-10-19 | 2001-03-07 | 上海交通大学 | Planetary gear driver for lifter, especially elevator |
| WO2008136211A1 (en) * | 2007-05-02 | 2008-11-13 | National Institute Of Advanced Industrial Science And Technology | High reduction combined planetary gear mechanism |
| CN101508405A (en) * | 2009-03-13 | 2009-08-19 | 宁波中意液压马达有限公司 | Hydraulic winch with hand clutch |
| CN203255904U (en) * | 2013-05-13 | 2013-10-30 | 湖南省三立矿业机械科技有限公司 | Hand-operated winch |
| CN104477803A (en) * | 2014-11-05 | 2015-04-01 | 中联重科股份有限公司 | Crane and hoisting mechanism thereof |
| CN105016226A (en) * | 2015-06-10 | 2015-11-04 | 曹兴奎 | Electric equipment dragging device |
| CN105972201A (en) * | 2016-05-04 | 2016-09-28 | 施耐德电气(厦门)开关设备有限公司 | Improved locking device for main rotating shaft and application |
| CN106044607A (en) * | 2016-07-29 | 2016-10-26 | 王利柱 | Bothway reverse stop device and bothway reverse stop hand device |
Non-Patent Citations (1)
| Title |
|---|
| 王亚芹: "《机械设计与应用》", 31 January 2012, 中国科学技术大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206172885U (en) | Double sprocket lifting machine | |
| CN101683964B (en) | Cloth roll lifting moving machine | |
| CN104354683B (en) | Can be by the railway wheel of formula band rotating driving device to inspection platform | |
| CN106865432A (en) | It is a kind of with laborsaving and anti-drop function hand goods lift | |
| CN107265339A (en) | A kind of four post lifts of single driving pair of chain drive | |
| CN204457501U (en) | A kind of oil pipe conveying device of improvement | |
| CN201040677Y (en) | Manually-operated turning gear for synchronization towing machine | |
| CN104176667A (en) | Fixed pulley device rapidly disassembled and assembled | |
| CN207078435U (en) | A kind of Medical film rolls up rack | |
| CN210710434U (en) | Manhole cover lifting device | |
| CN107715772A (en) | A kind of convertible full-automatic agitating device of flyball-type moment of torsion | |
| CN211419238U (en) | Spiral over-and-under type passenger elevator | |
| CN203728159U (en) | Sterilization box loading device | |
| CN207061712U (en) | A kind of miniature hybrid power water pump boom hoisting | |
| CN104261295B (en) | A kind of for building from low toward high haulage equipment | |
| CN210342631U (en) | Circulating climbing frame power mechanism | |
| CN205155091U (en) | Free fall is reduction gear for hoist engine | |
| CN212049013U (en) | Goods loading frame convenient to move | |
| CN205953448U (en) | Vertical lifting device of controllable speed of accurate positioning | |
| CN214135612U (en) | Transfer frame for shot blasting of guardrail | |
| CN208022666U (en) | It is a kind of to remove device for rod iron transhipment | |
| CN208413603U (en) | A kind of finger elevator door | |
| CN219044782U (en) | Hoisting machine | |
| CN106437239A (en) | Rapid parking three-dimensional garage | |
| CN211056811U (en) | Aeration pipe lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |