CN2199164Y

CN2199164Y - Oil immersion type electric drum

Info

Publication number: CN2199164Y
Application number: CN 94220929
Authority: CN
Inventors: 毕述尧
Original assignee: TIANJIN SPEED REDUCER GENERAL FACTORY
Current assignee: TIANJIN SPEED REDUCER GENERAL FACTORY
Priority date: 1994-09-15
Filing date: 1994-09-15
Publication date: 1995-05-31
Anticipated expiration: 2004-09-15

Abstract

The utility model relates to an oil immersion type electric drum. The utility model is characterized in that the motor casing is provided with an oil inlet, a gear box and a front shaft is separated from a flange and a rear shaft, and the motor shaft is provided with a brake or a backstop. The utility model has the advantages of simple structure, good manufacturability, smooth operation, large motor power, and effective electric drum braking, and is an ideal novel electric drum.

Description

Oil immersion type electric drum

The utility model relates to motorized pulleys, especially is a kind of oil immersed type motorized pulleys.

Present employed motorized pulleys also have following deficiency in operational process:

1. machine winding can not direct quenching and cause motor temperature high and power is low;

2. it is not smooth that Zhou air-proof condition difference causes the cylinder operation;

3. front axle and gear case and rear axle and flange are integrally casting, are difficult for processing, and precision is low, and manufacturability is poor;

4. the cylindrical shell profile is the cylindrical belt centering function that do not have;

5. bearing is a circular hole, and key connects, and is difficult for assembling, and manufacturability is poor;

6. do not have brake equipment and non-return device in the cylinder, be prone to dangerous situation.

The purpose of this utility model is to overcome the deficiency of prior art and a kind of simple in structure, good manufacturability, motor working efficiency height, good airproof performance and can be to the oil immersed type motorized pulleys of motor braking and check be provided.

The purpose of this utility model is achieved in that

All be shaped in the upper and lower part on limit, the electric machine casing of the present utility model left and right sides and make the direct oil cooled fuel feed hole of machine winding, front axle in the roller tube and all adopt split being connected of flange and by the key connection, is equipped with drg or holdback with gear case, rear axle on the motor shaft between flange and the motor.

Surface treatment is all done on the surface of front axle of the present utility model and rear axle and what the sealing of front axle and rear axle was adopted is labyrinth packing.

What the location pass of cylinder bearing of the present utility model adopted is flute profile.

The outer shape of roller tube of the present utility model is circular arc or the taper of column two.

What the surface treatment of front axle described in the utility model and rear axle was adopted is hard chromium plating, polishing.

Advantage of the present utility model and good effect are:

1. take the direct oil cooling to machine winding, reduced electric machine temperature rise, power of motor can reach 90--110 kilowatt;

2. adopt labyrinth seal, antero posterior axis has been improved leak tightness, surface treatment is all done on the axle surface, has improved the resistance to abrasion of slidingsurface;

3. gear case has improved manufacturability with front axle and flange is split with rear axle and key is connected, and has increased working accuracy;

4. the bearing knock hole is a flute profile, has reduced the key connection, has improved assembly process process;

5. the roller tube profile adopts circular arc or the taper of column two, has solved the belt deviation problem;

6. on motor shaft, add drg or holdback, solved the braking problem in the belt-driving process.

Description of drawings:

Fig. 1 is a generalized section of the present utility model;

Fig. 2 is a holdback scheme drawing of the present utility model;

Fig. 3 is a bearing side schematic view of the present utility model;

Fig. 4 is column of the present utility model two conical drum cylindrical shell scheme drawing.

Below in conjunction with accompanying drawing the utility model embodiment is described in further detail:

The upper and lower part on limit, the motor 11 housing left and right sides all is shaped on and makes the direct oil cooled fuel feed hole 10 of machine winding, front axle 1 in the roller tube 7 is captiveed joint for split and by key 8 with gear case 9, rear axle 15 is captiveed joint for split and by key 14 with flange 21, and electric machine casing and flange and gear case all are solidly installed by screw.Drg 13 is housed on the motor shaft between flange and the motor 12, also can adorns a holdback 24.Drg is a simplified diagram in the present embodiment.

The upper and lower part on limit, the left and right sides of electric machine casing shown in the present embodiment all is shaped on 6 fuel feed holes, also can increase as the case may be and reduce.

All carry out surface treatments such as hard chromium plating, polishing on the surface of front axle and rear axle.What the sealing of front axle and front end cover 5 was adopted is labyrinth packing 2 and oil sealing 3, and rotates by bearing 4; What the sealing of rear axle and rear side housing 16 was adopted is labyrinth packing 18 and oil sealing 19, and rotates by bearing 20.Back shaft tail end is equipped with bearing 17, and referring to Fig. 3, the location hole shape of bearing is a slotted hole 27, and pushes down by pressing plate 26, and screw 25 is fixing.

Motor shaft driven gear 22 rotates, and gear 22 rotates with output gear 23 gear rings 6 coaxial and that drive is packed on the front end, rotates thereby drive cylindrical shell.

What roller tube was selected for use in the present embodiment is the circular arc cylindrical shell, also can adopt two conical shell 28 as shown in Figure 4.

Claims

1, a kind of oil immersed type motorized pulleys, by motor, gear case, gear ring, front and rear cover, antero posterior axis and on bearing and sealing member, flange, bearing and cylindrical shell constitute, it is characterized in that: all be shaped in the upper and lower part on limit, the electric machine casing left and right sides and make the direct oil cooled fuel feed hole of machine winding, front axle in the roller tube and all adopt split being connected of flange and by the key connection, is equipped with drg or holdback with gear case, rear axle on the motor shaft between flange and the motor.

2, oil immersed type motorized pulleys according to claim 1 is characterized in that: surface treatment is all done on the surface of front axle and rear axle and what the sealing of front axle and rear axle was adopted is labyrinth packing.

3, oil immersed type motorized pulleys according to claim 1 is characterized in that: what the location pass of cylinder bearing adopted is flute profile.

4, according to claim 1 or 2 or 3 described oil immersed type motorized pulleys, it is characterized in that: the outer shape of roller tube is circular arc or the taper of column two.

5, oil immersed type motorized pulleys according to claim 2 is characterized in that: what the surface treatment of described front axle and rear axle was adopted is hard chromium plating, polishing.