CN201190091Y

CN201190091Y - Quick-speed hoister

Info

Publication number: CN201190091Y
Application number: CNU2008200713719U
Authority: CN
Inventors: 王芳秀
Original assignee: JILIN PROVINCIAL BUILDING MACHINERY CO Ltd
Current assignee: JILIN PROVINCIAL BUILDING MACHINERY CO Ltd
Priority date: 2008-02-02
Filing date: 2008-02-02
Publication date: 2009-02-04
Anticipated expiration: 2018-02-02

Abstract

The utility model discloses a quick winding engine which is composed of an electric motor, an electric motor supporting frame, a base, a wound roll, a sun gear part, a small inner gear, a breaking part, a planetary gear part and a bearing. The quick winding engine is characterized in that the sun gear part is composed of two domes, a shaft coupling, a bearing, a sun gear, a small planetary gear, a planetary gear shaft and a pinion frame, wherein, the domes are arranged at both top ends of the sun gear and respectively contacted with the top end surface of the output shaft of the electric motor and the end surface of a secondary center wheel to form a revolute pair; the sun gear part adopts the complete floating technology and transmits power through the small planetary gear and the shaft coupling, and during the transmission process, the sun gear of the sun gear part only transfers the torque and is free from any additional bending moment or axial forces caused by the manufacturing errors and the adjustment of assembly clearance. The utility model solves the problems in the prior winding engines that due to the radial over-positioning and the axial positioning of the sun gear, the service life is short, the structure is complicated, the requirement for machining precision is high, the volume is huge and the transmission efficiency is low.

Description

Fast winch

Technical field

The utility model relates to a kind of winch, particularly a kind of fast winch.

Background technology

At present, existing winch on the market, because radially crossing of sun wheel located and axial location, and bear because additional bending moment and the axial force that manufacturing errors and assembly clearance adjustment are produced, cause this sun wheel to be damaged, reduced the service life of winch, and this kind winch volume is big, driving efficiency is low, manufacturing cost is high.

Summary of the invention

The purpose of this utility model is to locate and axial location because of radially crossing of its sun wheel in order to solve above-mentioned existing winch, causes the problem of complete machine reduction in service life, and a kind of fast winch that overcomes above-mentioned shortcoming is provided.

The utility model is by electrical motor, motor bracket, base, reel, the sun gear part, small ring gear, the brake part, the planetary wheel part, bearing constitutes, electrical motor wherein, motor bracket, base, reel, small ring gear, the brake part, the planetary wheel part, the package assembly and the mode of bearing are same as the prior art, do not repeat them here, inventive point of the present utility model is the improvement to the sun gear part, with the sun gear part that original sun gear part radially crossing in winch located and axial location is floated instead, in the utility model, sun gear partly is to be pushed up by two balls, plunging joint, bearing, sun gear, small planetary gear, compensating-gear shaft, inventiona pinion carrier constitutes, plunging joint wherein has two different internal tooths of internal diameter, the sheathed bearing of plunging joint periphery, inventiona pinion carrier is stair-stepping cylinder, inboard cylinder has gear cavity, the periphery of this gear cavity is by compensating-gear shaft and bearing installation small planetary gear, the periphery of outer cylinder is fixed two bearings, isolate with spacer between two bearings, the centre of this outer cylinder offers the axis hole that is communicated with gear cavity, offer keyway in this axis hole, sun gear is a bar shape, two ends have two gears about it, the internal gearing of left end gear and plunging joint, right-hand member gear and small planetary gear engagement, another internal tooth of plunging joint and the gear mesh on the motor output shaft, the periphery that is enclosed within bearing interior week in the small ring gear outside, the small ring gear inboard has internal tooth, this internal tooth and small planetary gear engagement, by keyway and key transmission of power is arrived second stage center gear in the axis hole of outer cylinder, sun gear two tops of bar shape are provided with the ball top, this two ball top respectively with the top end face of motor output shaft, second stage center gear end face contacts and forms revolute pair, has reduced friction.

Principle of work of the present utility model is: sun gear partly adopts the technology of floating fully, and the sun gear part is by plunging joint and small planetary gear transferring power.

The beneficial effects of the utility model are: sun gear partly adopts the technology of floating fully, the sun gear part is by plunging joint and small planetary gear transferring power, two top end faces of sun gear are with the top end face of ball top with motor output shaft, the end face of second stage center gear contacts and the formation revolute pair, reduced friction, the sun gear part is in transmission process, its sun gear driving torque, do not bear because additional bending moment and the axial force that manufacturing errors and assembly clearance adjustment are produced solved existing winch because reduce the service life that radially crosses the generation of location and axial location of sun wheel, complex structure, the requirement on machining accuracy height, bulky problem.

The utility model has the advantages that:

1, simple in structure, the material working weight is little, 2/3rds of complete machine mass deficiency like product;

2, volume is little, has reduced to install and use area, has enlarged application places;

3, fabrication properties is good, the driving efficiency height, and horsepower output is big;

4, reliability height, long service life;

5, good economy performance, low cost of manufacture;

6, driving system is positioned at reel, and grease lubrication is adopted in all sealings;

But 7 differential speed regulations, but rolling descends during lift heavy, has control to descend fast and at the uniform velocity descends.

The utility model can be widely used in that vertical handling, level are transported, transport on the slope, stake worker basis operation, rig is supporting and place such as building operation.

Description of drawings

Fig. 1 is the general assembly drawing of the utility model embodiment.

Fig. 2 is the sectional arrangement drawing of the utility model embodiment sun gear part.

The specific embodiment

See also Fig. 1, shown in Figure 2, the utility model embodiment is by electrical motor A, motor bracket B, base C, reel D, sun gear part E, small ring gear F, brake part G, the planetary wheel section H, bearing S constitutes, electrical motor A wherein, motor bracket B, base C, reel D, small ring gear F, brake part G, the planetary wheel section H, package assembly and the mode of bearing S are same as the prior art, do not repeat them here, inventive point of the present utility model is the improvement to sun gear part E, with the sun gear part that original sun gear part radially crossing in winch located and axial location is floated instead, in the present embodiment, as shown in Figure 2, sun gear part E is by two balls top 1, plunging joint 2, bearing 3,6,10, sun gear 4, small planetary gear 7, compensating-gear shaft 9, inventiona pinion carrier 13 constitutes, plunging joint 2 wherein has the different internal tooth of

internal diameter

21,22, the sheathed bearing 3 of plunging joint 2 peripheries, inventiona pinion carrier 13 is stair-stepping cylinder, inboard cylinder 131 has gear cavity 15, the periphery of this gear cavity 15 is installed small planetary gear 7 by compensating-gear shaft 9 and bearing 6, the periphery of outer cylinder 132 is fixed two bearings 10, isolate with spacer 11 between two bearings 10, the centre of this outer cylinder 132 offers the axis hole 16 that is communicated with gear cavity 15, offer keyway 17 in this axis hole 16, sun gear 4 is a bar shape, its two end has

gear

41,42, gear 41 meshes with the internal tooth 22 of plunging joint 2, cooperate shown in Figure 1, gear 42 and small planetary gear 7 engagements, the internal tooth 21 of plunging

joint

2 and 2 engagements of the gear A on the electrical motor A output shaft A1, the periphery that is enclosed within bearing 10 interior week in the small ring gear F outside, small ring gear F inboard has internal tooth F1, this internal tooth F1 and small planetary gear 7 engagements, by keyway 17 and key 18 transmission of power is arrived second stage center gear F2 in the axis hole 16 of outer cylinder 132, sun gear 4 two tops of bar shape are provided with ball top 1, this two ball top 1 respectively with the top end face of electrical motor A output shaft A1, second stage center gear F2 end face contacts and forms revolute pair, has reduced friction.

The principle of work of the utility model embodiment is: sun gear part E adopts the technology of floating fully, and sun gear part E is by plunging joint 2 and small planetary gear 7 transferring power.

The beneficial effect of the utility model embodiment is: sun gear part E adopts the technology of floating fully, sun gear part E is by plunging joint 2 and small planetary gear 7 transferring power, two top end faces of sun gear 4 are with the top end face of ball top 1 with electrical motor A output shaft A1, the end face of second stage center gear F2 contacts and the formation revolute pair, reduced friction, E is in transmission process for the sun gear part, 4 driving torques of its sun gear, do not bear because additional bending moment and the axial force that manufacturing errors and assembly clearance adjustment are produced solved existing winch because reduce the service life that radially crosses the generation of location and axial location of sun wheel, complex structure, the requirement on machining accuracy height, bulky problem.

Claims

1, a kind of fast winch, be by electrical motor (A), motor bracket (B), base (C), reel (D), sun gear part (E), small ring gear (F), brake part (G), planetary wheel part (H), bearing (S) constitutes, it is characterized in that: sun gear part (E) is by two balls tops (1), plunging joint (2), bearing (3), (6), (10), sun gear (4), small planetary gear (7), compensating-gear shaft (9), inventiona pinion carrier (13) constitutes, plunging joint wherein (2) has the different internal tooth of internal diameter (21), (22), the sheathed bearing of plunging joint (2) periphery (3), inventiona pinion carrier (13) is stair-stepping cylinder, inboard cylinder (131) has gear cavity (15), the periphery of this gear cavity (15) is installed small planetary gear (7) by compensating-gear shaft (9) and bearing (6), the periphery fixed type bearing (10) of outer cylinder (132), the centre of this outer cylinder (132) offers the axis hole (16) that is communicated with gear cavity (15), offer keyway (17) in this axis hole (16), sun gear (4) is a bar shape, its two end has gear (41), (42), gear (41) is meshing with the internal tooth 22 of plunging joint (2), gear (42) and small planetary gear (7) engagement, gear (A2) engagement on the internal tooth (21) of plunging joint (2) and electrical motor (A) output shaft (A1), the periphery that is enclosed within bearing (10) interior week in small ring gear (F) outside, small ring gear (F) inboard has internal tooth (F1), this internal tooth (F1) and small planetary gear (7) engagement, by keyway (17) and key (18) transmission of power is arrived second stage center gear (F2) in the axis hole (16) of outer cylinder (132), sun gear (4) two tops of bar shape are provided with ball top (1), this two balls top (1) respectively with the top end face of electrical motor (A) output shaft (A1), the end face of second stage center gear (F2) contacts and the formation revolute pair.