CN202290270U - Transmission device of double-spiral classifier - Google Patents

Abstract

The utility model relates to a transmission device of a double spiral classifier. The transmission device of the double-helix classifier includes a motor, a reducer connected to the motor, a coupling connected to the reducer, and a gearbox connected to the coupling. The gearbox is connected to the screw shaft through a rigid joint, and the screw shaft is fixed on the On the bearing, the gearbox is fixed on the transmission support through a fixed support. The installation and maintenance of the transmission device of the double-helix classifier of the utility model are more convenient, and the operation rate of the equipment is higher than that of the traditional one. Compared with the traditional structure, this structure is more compact, and the reduction of the transmission support makes the overall floor space of the classifier smaller.

Description

A transmission device for a double-screw classifier

technical field

The utility model relates to a transmission device for a classifier, in particular to a transmission device for a double-helix classifier, which belongs to the technical field of mineral processing machinery.

Background technique

The traditional double-screw transmission classifier transmission device with a diameter of 3 meters is composed of a motor, a reducer, and a gear pair. The motor and the reducer are respectively fixed on a base inclined at a certain angle relative to the ground. The gear pair is composed of a pair of large and small bevel gears. The energy loss is large during transmission, the structure is complex, and installation and maintenance are inconvenient; and the transmission gears are exposed, resulting in Poor lubrication and harsh working environment.

Contents of the invention

The utility model provides a double-screw classifier transmission device aiming at the above-mentioned shortcomings of the existing double-screw classifier transmission device. 

The technical solution of the utility model for solving the above-mentioned technical problems is as follows: a double-helix classifier transmission device includes a motor, a reducer connected to the motor, a coupling connected to the reducer, and a coupling connected to the coupling The gear box is connected with the screw shaft through a rigid joint, the screw shaft is fixed on the bearing, and the gear box is fixed on the transmission support through a fixed support.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the reducer is a three-ring reducer, its model is SHCD350-80.1-110a, and its transmission ratio is 80.1.

Further, the model of the motor is Y180L-4B5, and the power is 22Kw.

Further, the motor is connected to the high-speed shaft of the reducer.

Further, the low-speed shaft of the reducer is connected with the high-speed shaft of the gearbox through a coupling.

Further, the low-speed shaft of the gearbox is connected to the screw shaft through a rigid joint.

Furthermore, the gearbox is a two-stage transmission structure composed of a gear shaft and gears, and its total transmission ratio is 6. The two-stage transmission structure includes a one-stage transmission structure and a two-stage transmission structure.

Further, the speed ratio of the one-stage transmission structure is 2, which is composed of a bull gear and a pinion, the bull gear has 36 teeth and a module of 14, and the pinion has 18 teeth and a module of 14; two The speed ratio of the stage shifting structure is 3, and it is composed of a bull gear and a pinion. The bull gear has 54 teeth and a module of 16, and the pinion has 18 teeth and a module of 16.

The beneficial effects of the utility model are: the installation and maintenance of the transmission device of the double-helix classifier of the utility model are more convenient, and the operation rate of the equipment is higher than that of the traditional one; The overall footprint is smaller.

Description of drawings

Fig. 1 is a structural schematic diagram of the transmission device of the double-screw classifier of the present invention.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Figure 1, the transmission device of the double spiral classifier includes a motor 1, a reducer 2 connected to the motor 1, a coupling 3 connected to the reducer 2, and a gear connected to the coupling 3 Box 4, the gear box 4 is connected with the screw shaft through the rigid handle 5, the screw shaft is fixed on the bearing, and the gear box is fixed on the transmission support 7 through the fixed support 6. The reducer 2 is a three-ring reducer, its model is SHCD350-80.1-110a, and its transmission ratio is 80.1. The model of the motor 1 is Y180L-4B5, and its power is 22Kw. The motor 1 is connected to the high-speed shaft of the reducer 2 . The low-speed shaft of the speed reducer 2 is connected with the high-speed shaft of the gearbox 4 through a coupling 3 . The low-speed shaft of the gear box 4 is connected with the screw shaft through a rigid joint 5 .

The gear box 4 is a two-stage transmission structure consisting of gear shafts and gears, and its total transmission ratio is 6. The speed ratio of the one-stage transmission structure is 2, and it is composed of a bull gear and a pinion. The bull gear has 36 teeth and a modulus of 14, and the pinion has 18 teeth and a modulus of 14; the two-stage gear shift The structure has a speed ratio of 3 and is composed of a bull gear and a pinion. The bull gear has 54 teeth and a module of 16. The pinion has 18 teeth and a module of 16.

The transmission device of the utility model double-helix classifier has the following beneficial effects:

1. Changed the transmission mode: from the original open gear transmission to closed gear transmission, a transmission device with compact structure, stable transmission and good lubrication performance has been formed, which improves the safety of operation and changes the harsh working environment.

2. The main shaft is changed from the original sliding bearing to the rolling bearing, which improves the precision of the equipment and reduces the transmission resistance.

3. The connection between the main shaft and the large bevel gear is changed from the original overall structure to the flange connection between the output end of the transmission device and the main shaft, which solves the inconvenience caused by the large volume to manufacture, installation and maintenance.

4. The length of the transmission support is shortened by 670mm, and the occupied area is reduced by 4.32m ² .

5. The single-axis drive is used instead of the traditional one power source to drive two shafts to drive the gear pair device. It can be adjusted to start and stop the single machine according to the change of the production process, creating convenient conditions for single machine maintenance and troubleshooting.

The transmission device of the double-helix classifier of the utility model uses a three-ring reducer with a large transmission ratio and a new transmission mechanism to replace the traditional gear pair. The motor, the reducer and the new transmission mechanism are fixed on the bearing seat by means of suspension, and the structure is compact. Installation and maintenance, convenient and low production cost; use rigid handle instead of large bevel gear, compared with traditional motor, reducer and gear pair, this structure has the advantages of more compact structure, more convenient installation and maintenance, low production cost and overall classification The machine occupies a small area, and the equipment operation rate is relatively high compared with the traditional one; the reduction of the transmission support makes the overall floor space of the classifier smaller; the ∮3m double-screw classifier produced by Shougang Mining Machinery Manufacturing Factory adopts this transmission device, Many iron mines in the Chengde area have been in operation for more than a year without any problems, and users have responded well.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. a duplex-spiral classifier transmission device is characterized in that, comprises motor; The reductor that links to each other with said motor; The shaft coupling that links to each other with said reductor, with the gear-box that said shaft coupling links to each other, said gear-box links to each other with helical axis through the rigidity catcher; Said helical axis is fixed on the bearing, and said gear-box is fixed on the driving support seat through hold-down support.

2. duplex-spiral classifier transmission device according to claim 1 is characterized in that, said reductor is a three-ring gear reducer, and its gearratio is 80.1.

3. duplex-spiral classifier transmission device according to claim 1 is characterized in that, the high speed shaft of said motor and speed reducer links to each other.

4. duplex-spiral classifier transmission device according to claim 1 is characterized in that, the slow-speed shaft of said reductor links to each other through the high speed shaft of shaft coupling and gear-box.

5. duplex-spiral classifier transmission device according to claim 1 is characterized in that, the slow-speed shaft of said gear-box links to each other with helical axis through the rigidity catcher.

6. duplex-spiral classifier transmission device according to claim 1; It is characterized in that; Said gear-box is the two-stage speed changing structure of being made up of gear shaft and gear, and its resultant gear ratio is 6, and said two-stage speed changing structure comprises one-level speed changing structure and two stage speed change structure.

7. duplex-spiral classifier transmission device according to claim 6 is characterized in that, the speed ratio of said one-level speed changing structure is 2, and it is made up of gear wheel and pinion, and the said gear wheel number of teeth is 36, and modulus is 14, and the said pinion number of teeth is 18, and modulus is 14; The speed ratio of two stage speed change structure is 3, is made up of gear wheel and pinion, and the said gear wheel number of teeth is 54, and modulus is 16, and the said pinion number of teeth is 18, and modulus is 16.

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