CN202369312U - Empty hook rapidly-releasing winding speed reducer - Google Patents
Empty hook rapidly-releasing winding speed reducer Download PDFInfo
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- CN202369312U CN202369312U CN2011204555059U CN201120455505U CN202369312U CN 202369312 U CN202369312 U CN 202369312U CN 2011204555059 U CN2011204555059 U CN 2011204555059U CN 201120455505 U CN201120455505 U CN 201120455505U CN 202369312 U CN202369312 U CN 202369312U
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Abstract
An empty hook rapidly-releasing winding speed reducer comprises a supporting base I (1), a brake I (5), an input spline sleeve (3), an input shaft (13), a secondary planetary reducer (4), an output shaft (12), a supporting base II (2), a fixed base (7), a brake II (6), a gear ring (9) and a winding drum (8). The secondary planetary reducer (4) is provided with a primary sun wheel (40) and a secondary planetary carrier (46), the brake I (5) is provided with a rotor plate I (59), the brake II (6) is provided with a spring pressing plate (67), a rotor plate II ( 69) and a stator plate II (68), the brake I (5) is arranged in the supporting base (1), the rotor plate I (59) of the brake I (5) is connected with the input spline sleeve (3), one end of the input shaft (13) is connected with the input spline sleeve (3), the other end of the input shaft (13) is connected with the primary sun wheel (40), one end of the output shaft (12) is connected with the secondary planetary carrier (46), the other end of the output shaft (12) is connected with the rotor plate II (69) of the brake II (6), the supporting base II (2) is in movably connection with the output shaft (12), the brake II (6) is connected with the supporting base II (2), the stator plate II (68) of the brake II (6) is connected with the winding drum (8), the winding drum (8) is connected with the output shaft (12) through the gear ring (9) in meshed mode, the gear ring (9) is slidably connected with the output shaft (12), the gear ring (9) is connected with the spring pressing plate (67) of the brake II (6), and the fixed base (7) is connected with the supporting base II (2). Therefore, empty hook rapidly-releasing control of the winding speed reducer is achieved.
Description
One, technical field
The utility model relates to a kind of empty hook and unreels soon and raise reductor, and the empty hook that especially a kind of adaptation is used for all kinds of elevator machineries such as car hosit, crawler crane, building crane, deck crane, crane in bridge type and transfer crane unreels soon raises reductor.
Two, background technology
Hoisting speed reducer is main, the most basic parts of elevator machinery; Be widely used in all kinds of elevator machineries such as car hosit, crawler crane, building crane, deck crane, crane in bridge type and transfer crane; Also obtain widespread usage at construction machinery and equipments such as rig, flat bed transport vehicle, trailer, elevators, so hoisting speed reducer is an important common apparatus, in order to adapt to the requirement of elevator machinery; The hoisting speed reducer development tendency is to realize putting fast hook; Unreel in the reductor of raising reductor several kinds of shortcomings below in use finding to exist soon existing: 1, unreel soon and raise the restriction of mechanism owing to product structure, output torque is lower; 2, existing unreeling soon raised the braking shoe type that mechanism's clutch mode adopts asbestos rubber or resin material, big, difficult processing of volume and assembling, and complex structure, cost is high, and fault rate is high, can not satisfy the requirement that has elevator machinery now.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of the utility model provides a kind of empty hook and unreels soon and raise reductor, has realized that therefore the empty hook of winch puts control soon.
For achieving the above object; The technical scheme that the utility model is taked is: include supporting seat I, drg I, input spline housing, input shaft, secondary planet speed reduction gearing, output shaft, supporting seat II, permanent seat, drg II, gear ring and reel, the secondary planet speed reduction gearing is provided with one-level sun wheel and secondary planet frame, and the drg I is provided with the moving plate I; The drg II is provided with spring bearer plate, moving plate II and stator II; In supporting seat, be provided with the drg I, the moving plate I of drg I is set to and imports spline housing and connect, and an end of input shaft is set to and imports that spline housing connects, the other end is set to connects with the one-level sun wheel; One end of output shaft is set to connect with the secondary planet frame, the other end is set to connects with the moving plate II of drg II; The supporting seat II is set to connect with the output shaft rotary type, and the drg II is set to connect with the supporting seat II, and the stator II of drg II is set to connect with reel; Reel is set to connect with the output shaft engagement through gear ring; Gear ring is set to connect with the output shaft sliding type, and gear ring is set to connect with the spring bearer plate of drg II, and permanent seat is set to connect with the supporting seat II.
When the drg I was not worked, the drg I was a normally closed brake, and winch is not worked; When starting drg I and power-transfer clutch II and do not work, the power-transfer clutch II is the normally closed power-transfer clutch, and the one-level sun wheel is rotated; Thereby make the work of secondary planet speed reduction gearing, drive reel and rotate, make the winch normal operation; When the work of power-transfer clutch II, the moving plate II is separated with the stator II.Reel drives the stator II and rotates, and under the drive of the gravity of hook, winch can rotate; Thereby realize that empty hook puts soon; Through the closure of power-transfer clutch II, realize control, owing to designed the power-transfer clutch II to hollow hook lowering; Realized work control, therefore realized the hollow hook lowering control of winch moving plate II and stator II.
The utility model has designed; The drg I is set to plate friction sheet drg, is set to include moving plate I, stator I, hydraulic pressure oil nozzle I, piston, spring, pressing plate, axial location circlip and brake casing, and the stator I is set to connect with the brake casing engagement; Brake casing is set to connect with the supporting seat I; The moving plate I is set to connect with stator I friction-type, between piston and supporting seat I, is provided with spring, and hydraulic pressure oil nozzle I is arranged between piston and the supporting seat I; The axial location circlip is set to connect with brake casing, and the end face of spring is set to connect with pressing plate through the axial location circlip.
The utility model has designed; The secondary planet speed reduction gearing is set to one-level sun wheel, primary planet pinion, primary annulus, primary planet carrier, secondary sun wheel, secondary planetary gear and secondary planet frame; The one-level sun wheel is set to connect with primary planet pinion is engagement type; Primary planet pinion is set to primary planet carrier respectively and primary annulus is engagement type connects; Primary planet carrier is set to connect with the secondary sun wheel is engagement type, and the secondary sun wheel is set to connect with secondary planetary gear is engagement type, and secondary planetary gear is set to the secondary planet frame respectively and primary annulus is engagement type connects.
The utility model has designed; The power-transfer clutch II is set to lamella clutch; Be set to include moving plate II, stator II, hydraulic pressure oil nozzle II, piston, spring and pressing plate; Pressing plate and piston are set to be sleeved on the output shaft, between pressing plate and piston, are provided with spring, and hydraulic pressure oil nozzle II is arranged between piston and the output shaft boss.
The technique effect of the utility model is: the utility model is made up of secondary planet reductor (built-in chip Parking Brake), transmission shaft, lamella clutch, reel, drg etc.One end of reductor is fixed on the frame; The other end is connected by spline with transmission shaft; Transmission shaft is connected with reel through lamella clutch, and an end sky of reel is enclosed within on the bearing of planetary reducer, and the other end is connected with frame through bearing seat; Brake disc or braking hub are installed on the wheel rim of reel, are braked by the caliper brake or the external contracting drum brake that are fixed on the frame.To be the utility model connect dish, input spline housing, chip drg, secondary planet transmission module, I and II gear ring, sealing arrangement and free-falling body power-transfer clutch, reel etc. by motor forms.Its formation and principle of work: it is the stationary member of this hoisting speed reducer that the motor of reductor left end connects dish; Connecing dish through motor is fixed on reductor on the base of main frame; The HM Hydraulic Motor that is fixed on supporting base one end drives the input spline housing; The spline housing bonded assembly is the chip drg,, it is made up of many groups moving plate and stator, brake casing, piston, spring and pressing plate (motor connects dish) etc.The splined hole of brake casing is connected with the spline of stator, and stator can not be rotated, and with spring one end location, spring is clamping piston again through pressing plate (motor connects dish).Drg is a normally closed brake, and promptly drg presses together moving plate and stator under the effect of spring when reductor does not move, this moment moving plate will with fix by spline bonded assembly input castellated shaft, reductor can not turn round; When the needs reductor turns round; Hydraulic oil promotion piston overcomes the pressure of spring and moves, and this moment, circlip bore maximum axial force, and moving plate is separated with stator; Castellated shaft and moving plate entry into service; Motor through the spline shaft drive planetary reducer again through with input spline housing bonded assembly one-level sun wheel, power is input to the one-level planet module of the inner left end of reductor, primary planet pinion drives again with it and carries out the bonded assembly primary planet carrier through bearing; Primary planet carrier is through the secondary sun wheel of coupler driving secondary planet module, and same reason secondary planetary gear is transfer torque to secondary planet frame again; The secondary planet frame drives output shaft through coupler again, because the I and II gear ring passes through bolt together with brake casing, and according to the principle of planetary transmission, secondary planet frame motion this moment.The secondary planet frame drives output shaft through coupler again; So while output torque to hoisting mechanism is in power-transfer clutch bonded assembly reel; Thereby transfer torque to reel; Carry out weight through steel rope, suspension hook and lift by crane and transfer, this moment, the function of hoisting speed reducer was the same with common hoisting speed reducer, accomplished the corresponding function of hoisting mechanism.This novel empty hook unreels soon to be raised reductor and has increased multi-disc friction clutch, and output spline and gear ring bonded assembly are lamella clutchs, and it is made up of many groups moving plate and stator, piston, spring, gland etc.Power-transfer clutch is the normally closed power-transfer clutch, when promptly power-transfer clutch is not opened, under the effect of spring, moving plate and stator is pressed together, and this moment, hoisting speed reducer was the same with common hoisting speed reducer.When power-transfer clutch was opened, hydraulic oil promotion piston overcame the pressure of spring and moves, and moving plate is separated with stator, and gear ring and moving plate can rotate, and reel can rotate under the gravity of empty hook drives, thereby realizes hollow hook lowering.After accomplishing this and taking turns working cycle, lamella clutch is closed once more, begin to carry out the next round working cycle.
Through above-mentioned technological means, change former reductor into the planetary differential transmission by NGW series connection planetary transmission, thereby changed former gear ring output into pinion carrier output, adopted the drive mechanism of later-model full floating, make the load of each transmission parts even.Thereby make new product have the advantages that volume is little, transmitted power is big, innovation type of drive and product structure.Increased the free-falling body power-transfer clutch, the drg volume is little, and has adopted wet braking, brakes softly, has overcome general empty hook and has unreeled soon that to raise dry type braking big at glancing impact inertia, and suspension hook is prone to shake, the shortcoming of last vehicle body shakiness; It is big also to overcome volume, is difficult for processing and assembling, complex structure, and cost is high, and the shortcoming that fault rate is high is mainly used in crawler crane, dynamic compaction machinery, also can be used for the hoisting mechanism of other similar machinery.The free-falling body power-transfer clutch is used the spring force locking, after opening with hydraulic way, can control the quick decline of suspension hook, makes suspension hook steadily arrive quiescence from free falling body state.
Because the utility model taked above-mentioned technical scheme, therefore have the following advantages: adopt later-model built-in planetary reducer, and have hollow hook lowering function, have relatively with like product that the reductor volume is little, in light weight, the easy-to-install advantage.Adopt a kind of later-model lamella clutch; Substitute and solve the problem under powered that the output torque of the power-transfer clutch hoisting mechanism of former shoe type braking can only be below 10kNm; And the deficiency complicated, that tooling cost is high is installed, improve the reliability of free-falling body hoisting speed reducer.
Four, description of drawings
Fig. 1 is the scheme drawing of the utility model:
Fig. 2 is the structural representation of drg I 5:
Fig. 3 is the structural representation of secondary planet speed reduction gearing 4:
Fig. 4 is the structural representation of power-transfer clutch II 6.
Five, the specific embodiment
Accompanying drawing is an embodiment of the utility model; Specify present embodiment in conjunction with accompanying drawing, include supporting base I 1, drg I 5, input spline housing 3, input shaft 13, secondary planet speed reduction gearing 4, output shaft 12, supporting base II 2, permanent seat 7, power-transfer clutch II 6, gear ring 9 and reel 8.Secondary planet speed reduction gearing 4 is provided with one-level sun wheel 40, primary annulus 41, primary planet pinion 42, primary planet carrier 43, secondary sun wheel 44, secondary planetary gear 45 and secondary planet frame 46.Drg I 5 is provided with moving plate I 59, stator I 58, hydraulic oil pipe I 57, piston 56, spring 55, pressing plate 54, axial location circlip 53 and brake casing 52.Power-transfer clutch II 6 is provided with moving plate II 69, stator II 68, hydraulic pressure oil nozzle II 64, piston 66, spring 65 and spring bearer plate 67.The moving plate I 59 of drg I 5 is set to and imports spline housing 3 and connect, and the brake casing 52 of drg I 5 is set to connect with supporting base I 1; Input shaft 13 is set to and imports spline housing 3 and connect; One end of output shaft 12 is set to connect with secondary planet frame 46, the other end is set to connects with the moving plate II 69 of power-transfer clutch II 6, and supporting base II 2 is set to connect with output shaft 12 rotary types; Power-transfer clutch II 6 is set to connect with output shaft 12 engagements with moving plate II 69, connects with gear ring 9 engagements with stator II 68 again, and reel 8 is set to connect with output shaft 12 engagements through gear ring 9, power-transfer clutch II 6, and permanent seat 7 is set to connect with supporting seat II 2 rotary types.
In the present embodiment, drg I 5 is set to plate friction sheet drg, is set to include moving plate I 59, stator I 58, hydraulic pressure oil nozzle I 57, piston 56, spring 55, pressing plate 54, axial location circlip 53 and brake casing 52.Stator I 58 is set to connect with brake casing 52 engagements; Brake casing 52 is set to connect with supporting seat I 1; Moving plate I 59 is set to connect with stator I 58 friction-types, between piston 56 and supporting seat I 1, is provided with spring 55, and hydraulic pressure oil nozzle I 57 is arranged between piston 56 and the supporting seat I 1; Axial location circlip 53 is set to connect with brake casing 52, and the end face of spring 55 is set to connect with pressing plate 54 through axial location circlip 53.
In the present embodiment; Secondary planet speed reduction gearing 4 is set to one-level sun wheel 40, primary planet pinion 42, primary annulus 41, primary planet carrier 43, secondary sun wheel 44, secondary planetary gear 45 and secondary planet frame 46; One-level sun wheel 40 is set to and 42 engagement type connections of primary planet pinion; Primary planet pinion 42 is set to respectively and primary planet carrier 43 and 41 engagement type connections of primary annulus; Primary planet carrier 43 is set to and 44 engagement type connections of secondary sun wheel, and secondary sun wheel 44 is set to and 45 engagement type connections of secondary planetary gear, and secondary planetary gear 45 is set to respectively and secondary planet frame 46 and 41 engagement type connections of primary annulus.
In the present embodiment; Power-transfer clutch II 6 is set to lamella clutch; Be set to include moving plate II 69, stator II 68, hydraulic pressure oil nozzle II 64, piston 66, spring 65 and pressing plate 67; Pressing plate 67 is set to be sleeved on the output shaft 12 with piston 66, between pressing plate 67 and piston 66, is provided with spring 65, and hydraulic pressure oil nozzle II 64 is arranged between piston 66 and output shaft 12 boss.
When startup drg I 5 is not worked with power-transfer clutch II 6; Power-transfer clutch II 6 is the normally closed power-transfer clutch, and one-level sun wheel 40 is rotated, thereby makes 4 work of secondary planet speed reduction gearing; Driving reel 8 rotates; Make the winch normal operation, when 6 work of power-transfer clutch II, moving plate II 69 is separated with stator II 68.Reel 8 drives stator II 68 and rotates, and under the drive of the gravity of hook, winch can rotate; Thereby realize that empty hook puts soon; Through the closure of power-transfer clutch II 6, realize control, owing to designed power-transfer clutch II 6 to hollow hook lowering; Realized work control, therefore realized the hollow hook lowering control of winch moving plate II 69 and stator II 68.
When drg I 5 was not worked, moving plate I 59 meshed together with stator I 58, and drg I 5 is a normally closed brake; Winch is not worked, and when starting drg I 5, in hydraulic pressure oil nozzle I 57, injects hydraulic oil; Piston 56 overcomes the application force of spring 55, and moving plate I 59 and stator I 58 are separated, and makes input spline housing 3 drive one-level sun wheel 40 and rotates; Thereby make 4 work of secondary planet speed reduction gearing, drive reel 8 and rotate, make winch work; When power-transfer clutch II 6 is not worked, moving plate II 69 and 68 engagements of stator II, power-transfer clutch II 6 is the normally closed power-transfer clutch, the winch normal operation; When in hydraulic pressure oil nozzle II 64, injecting hydraulic oil, power-transfer clutch II 6 is worked, and moving plate II 69 is separated with stator II 68; Reel 8 drives gear ring 9 and stator II 68 rotation works, and under the drive of hook gravity, winch can rotate; Thereby realize that empty hook puts soon,, realize the control that suspension hook is transferred through the closure of power-transfer clutch II 6.
In the present embodiment; It is the stationary member of this planetary reducer that the motor of reductor left end connects dish; Connecing dish through motor is fixed on reductor on the base of hoisting mechanism; The motor that is fixed on the supporting base left end is through the input spline housing, and the spline housing bonded assembly is the chip drg, and it is made up of many groups moving plate and stator, brake casing, piston, spring, axial location circlip and pressing plate etc.Brake casing and motor connect dish and are connected as a single entity, and the splined hole of brake casing is connected with the spline of stator, and stator can not be rotated, and is placing circlip in the circlip groove on the brake casing, connect dish with spring one end location through motor, and spring is clamping piston again.Drg is a normally closed brake, and promptly drg presses together moving plate and stator under the effect of spring when reductor does not move, this moment moving plate will with fix by spline bonded assembly spline housing, reductor can not turn round; When the needs reductor turns round; Hydraulic oil promotion piston overcomes the pressure of spring and moves, and this moment, moving plate separated spline housing and moving plate entry into service with stator; Again through with input spline housing spline bonded assembly one-level sun wheel; Power is input to the one-level planet module of the inner left end of reductor, and one-level planet module is through primary planet pinion transfer torque to I and II gear ring, and primary planet pinion drives again with it and carries out the bonded assembly primary planet carrier through bearing simultaneously; Primary planet carrier is through the secondary sun wheel of tooth cover driving secondary planet module, and same reason secondary planetary gear is transfer torque to secondary planet frame again; The secondary planet frame overlaps the driving output shaft through tooth again, because I and II gear ring and brake casing are through bolt together, according to the principle of planetary transmission, this moment, the I and II gear ring was motionless, and the secondary planet frame is what move.This moment, output shaft passed to reel through power-transfer clutch with moment of torsion, and power-transfer clutch is made up of many groups moving plate and stator, gear ring, piston cylinder, spring, spring supporting plate and spring bearer plate etc.Output shaft drives stator and rotates; The moving plate of power-transfer clutch and stator press together under the effect of spring force; Drive gear ring through the friction force moving plate and rotate, so the reel of while output torque to hoisting mechanism and gear ring bolt together, thereby the corresponding function of completion hoisting mechanism.This novel free-falling body hoisting speed reducer is realized the free-falling body function specific embodiment: insert hydraulic oil by swivel coupling; Hydraulic oil promote piston cylinder overcome spring and pressure and move; This moment, moving plate separated with stator; Gear ring and moving plate can rotate, and along with reel can rotate under the drive of hook and weight, thereby the realization free-falling body is transferred.
The characteristics of the utlity model has down:
1, owing to designed drg I 5 and power-transfer clutch II 6, realized work control to moving plate II 69 and stator II 68, realized that therefore the empty hook of winch puts control soon.
2, owing to designed secondary planet speed reduction gearing 4, realized the gear ring transmission, bearing capacity is big, and it is strong to absorb the transmission cushion effect.
3, the utility model overcome former common hoisting speed reducer can not the ineffective deficiency of hollow hook lowering; Having overcome general empty hook again unreels soon and raises; Volume is big; Be used for the shortcoming that the high pulling torque elevator is not easy to realize, be mainly used in large-tonnage crawler crane, dynamic compaction machinery, and the hoisting speed reducer of other similar machineries; Compact conformation, function admirable; Surpass on the technical merit and substituted former imported product, filled up the blank that empty hook is put free-falling body elevator field soon.
In a word, adopt later-model built-in planetary reducer, make that the reductor volume is little, in light weight, simple installation.The power-transfer clutch of tradition free-falling body hoisting mechanism generally adopts internal-expansion type shoe type friction clutch, and brake strap adopts asbestos rubber or resin material, and the braking hub adopts cast iron materials, because friction moment is limit, can only be used for the hoisting mechanism of output torque less than 10kNm.The partial metallurgy clutch with multiple laminated disc that the novel free-falling body hoisting mechanism that the said firm produces adopts makes the transfer torque of power-transfer clutch become several fold to increase; The clutch-brake volume is little; The transfer torque of power-transfer clutch can reach 45kNm, brake soft, overcome tradition unreel soon raise at glancing impact inertia big; Suspension hook is prone to shake, the shortcoming that last vehicle body is unstable.Substitute and solve the deficiency of the power-transfer clutch existence of former shoe type braking, improve the reliability of free-falling body hoisting speed reducer.
In free fall type winch technical field; Every secondary planet speed reduction gearing 4 that includes is provided with one-level sun wheel 40 and secondary planet frame 46; Drg I 5 is provided with moving plate I 59; Drg II 6 is provided with spring bearer plate 67, moving plate II 69 and stator II 68; In supporting seat 1, be provided with drg I 5, the moving plate I 59 of drg I 5 is set to and imports spline housing 3 and connect, and an end of input shaft 13 is set to and imports that spline housing 3 connects, the other end is set to connects with one-level sun wheel 40; One end of output shaft 12 is set to connect with secondary planet frame 46, the other end is set to connects with the moving plate II 69 of drg II 6; Supporting seat II 2 is set to connect with output shaft 12 rotary types, and drg II 6 is set to connect with supporting seat II 2, and the stator II 68 of drg II 6 is set to connect with reel 8; Reel 8 is set to connect with output shaft 12 engagements through gear ring 9; Gear ring 9 is set to connect with output shaft 12 sliding types, and gear ring 9 is set to connect with the spring bearer plate 67 of drg II 6, and the technology contents that permanent seat 7 is set to connect with supporting seat II 2 is all in the protection domain of the utility model.
Claims (4)
1. an empty hook unreels soon and raises reductor; It is characterized in that: include supporting seat I (1), drg I (5), input spline housing (3), input shaft (13), secondary planet speed reduction gearing (4), output shaft (12), supporting seat II (2), permanent seat (7), drg II (6), gear ring (9) and reel (8); Secondary planet speed reduction gearing (4) is provided with one-level sun wheel (40) and secondary planet frame (46); Drg I (5) is provided with moving plate I (59); Drg II (6) is provided with spring bearer plate (67), moving plate II (69) and stator II (68); In supporting seat (1), be provided with drg I (5); The moving plate I (59) of drg I (5) is set to and imports spline housing (3) and connect; One end of input shaft (13) is set to and imports that spline housing (3) connects, the other end is set to connects with one-level sun wheel (40); One end of output shaft (12) is set to connect with secondary planet frame (46), the other end is set to connects with the moving plate II of drg II (6) (69); Supporting seat II (2) is set to connect with output shaft (12) rotary type, and drg II (6) is set to connect with supporting seat II (2), and the stator II (68) of drg II (6) is set to connect with reel (8); Reel (8) is set to connect with output shaft (12) engagement through gear ring (9); Gear ring (9) is set to connect with output shaft (12) sliding type, and gear ring (9) is set to connect with the spring bearer plate (67) of drg II (6), and permanent seat (7) is set to connect with supporting seat II (2).
2. empty hook according to claim 1 unreels soon raises reductor; It is characterized in that: drg I (5) is set to plate friction sheet drg; Be set to include moving plate I (59), stator I (58), hydraulic pressure oil nozzle I (57), piston (56), spring (55), pressing plate (54), axial location circlip (53) and brake casing (52); Stator I (58) is set to connect with brake casing (52) engagement; Brake casing (52) is set to connect with supporting seat I (1); Moving plate I (59) is set to connect with stator I (58) friction-type; Between piston (56) and supporting seat I (1), be provided with spring (55); Hydraulic pressure oil nozzle I (57) is arranged between piston (56) and the supporting seat I (1), and axial location circlip (53) is set to connect with brake casing (52), and the end face of spring (55) is set to connect with pressing plate (54) through axial location circlip (53).
3. empty hook according to claim 1 unreels soon raises reductor; It is characterized in that: secondary planet speed reduction gearing (4) is set to one-level sun wheel (40), primary planet pinion (42), primary annulus (41), primary planet carrier (43), secondary sun wheel (44), secondary planetary gear (45) and secondary planet frame (46); One-level sun wheel (40) is set to and engagement type connection of primary planet pinion (42); Primary planet pinion (42) is set to respectively and primary planet carrier (43) and engagement type connection of primary annulus (41); Primary planet carrier (43) is set to and engagement type connection of secondary sun wheel (44); Secondary sun wheel (44) is set to and engagement type connection of secondary planetary gear (45), and secondary planetary gear (45) is set to respectively and secondary planet frame (46) and engagement type connection of primary annulus (41).
4. empty hook according to claim 1 unreels soon raises reductor; It is characterized in that: power-transfer clutch II (6) is set to lamella clutch; Be set to include moving plate II (69), stator II (68), hydraulic pressure oil nozzle II (64), piston (66), spring (65) and pressing plate (67); Pressing plate (67) and piston (66) are set to be sleeved on the output shaft (12); Between pressing plate (67) and piston (66), be provided with spring (65), hydraulic pressure oil nozzle II (64) is arranged between piston (66) and output shaft (12) boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204555059U CN202369312U (en) | 2011-11-17 | 2011-11-17 | Empty hook rapidly-releasing winding speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204555059U CN202369312U (en) | 2011-11-17 | 2011-11-17 | Empty hook rapidly-releasing winding speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN202369312U true CN202369312U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204555059U Expired - Fee Related CN202369312U (en) | 2011-11-17 | 2011-11-17 | Empty hook rapidly-releasing winding speed reducer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102943618A (en) * | 2012-12-10 | 2013-02-27 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN104477803A (en) * | 2014-11-05 | 2015-04-01 | 中联重科股份有限公司 | Crane and hoisting mechanism thereof |
| CN107939864A (en) * | 2017-12-26 | 2018-04-20 | 徐州科源液压股份有限公司 | Pneumatic parking brake |
| CN109231038A (en) * | 2018-10-31 | 2019-01-18 | 济宁山拓机电设备有限公司 | Double reel cycles carry hydraulic wireline winch |
| CN110255407A (en) * | 2019-07-01 | 2019-09-20 | 万鑫精工（湖南）有限公司 | A kind of tower crane lifting mechanism |
| CN110550567A (en) * | 2019-08-29 | 2019-12-10 | 无锡宏盟海洋科技有限公司 | Winch |
| CN113666286A (en) * | 2021-09-08 | 2021-11-19 | 宁波中意液压马达有限公司 | Hydraulic winch |
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2011
- 2011-11-17 CN CN2011204555059U patent/CN202369312U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943618A (en) * | 2012-12-10 | 2013-02-27 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN102943618B (en) * | 2012-12-10 | 2014-12-03 | 上海中联重科桩工机械有限公司 | Rotary drilling rig |
| CN104477803A (en) * | 2014-11-05 | 2015-04-01 | 中联重科股份有限公司 | Crane and hoisting mechanism thereof |
| CN107939864A (en) * | 2017-12-26 | 2018-04-20 | 徐州科源液压股份有限公司 | Pneumatic parking brake |
| CN107939864B (en) * | 2017-12-26 | 2024-01-30 | 徐州科源液压股份有限公司 | Pneumatic parking brake |
| CN109231038A (en) * | 2018-10-31 | 2019-01-18 | 济宁山拓机电设备有限公司 | Double reel cycles carry hydraulic wireline winch |
| CN109231038B (en) * | 2018-10-31 | 2022-08-09 | 济宁山拓机电设备有限公司 | Double-drum circulating carrying hydraulic winch |
| CN110255407A (en) * | 2019-07-01 | 2019-09-20 | 万鑫精工（湖南）有限公司 | A kind of tower crane lifting mechanism |
| CN110550567A (en) * | 2019-08-29 | 2019-12-10 | 无锡宏盟海洋科技有限公司 | Winch |
| CN110550567B (en) * | 2019-08-29 | 2024-03-26 | 无锡海核装备科技有限公司 | Winch |
| CN113666286A (en) * | 2021-09-08 | 2021-11-19 | 宁波中意液压马达有限公司 | Hydraulic winch |
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