CN212125117U - Multi-motor single-rail hanging tooth driving device - Google Patents
Multi-motor single-rail hanging tooth driving device Download PDFInfo
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- CN212125117U CN212125117U CN202020666790.8U CN202020666790U CN212125117U CN 212125117 U CN212125117 U CN 212125117U CN 202020666790 U CN202020666790 U CN 202020666790U CN 212125117 U CN212125117 U CN 212125117U
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Abstract
A multi-motor single-rail hanging tooth driving device belongs to the field of machinery and comprises a driving motor, wherein the driving motor is connected with a double-input single-output speed reducer; the two output shafts are simultaneously connected with the 1 driving gear through a spline; 2 input shafts of each speed reducer are connected with a driving motor through splines and extend out of the middle of the frame body to be connected with 2 hydraulic brakes. The utility model discloses a multiunit motor drives a drive gear in step and moves in succession on the cogged rail track, has realized that single track loop wheel machine increase traction force improves the climbing angle.
Description
Technical Field
The utility model belongs to the field of machinery. The method is mainly applied to a coal mine underground single-rail crane rail transportation system.
Background
China is a large coal consumption country, and with the continuous improvement of coal mining quantity and the continuous development of auxiliary transportation, underground monorail crane systems are applied more and more.
The domestic coal mine monorail crane mainly comprises a foreign import and a domestic product, a rack rail driving device is arranged in a foreign import product, a driving gear is arranged on a monorail crane driving body, a gear is meshed with a rack rail to advance, and two hydraulic motors are respectively arranged on two sides of the monorail crane driving body and are coaxially connected with the gear.
The main problems of the operation mode are as follows: the hydraulic motor has low operation efficiency; the two hydraulic motors are low-speed and large-torque motors, and the cost of import is high.
Disclosure of Invention
The utility model mainly solves the problem of low efficiency of the rack driving traction; the cost is too high.
A multi-motor single-rail lifting tooth driving device comprises driving motors and is characterized in that 4 bearing wheels, 2 double-input single-output speed reducers and 4 driving motors are symmetrically arranged on the left side and the right side of a driving frame body respectively; the driving motor is connected with a double-input single-output speed reducer, and 4 bearing wheels are positioned on the upper side of the frame body, so that the whole multi-motor single-rail hanging tooth driving device can move back and forth on the rail; the two output shafts are simultaneously connected with the 1 driving gear through a spline; 2 input shafts of each speed reducer are connected with a driving motor through splines and extend out of the middle of the frame body to be connected with 2 hydraulic brakes.
When the hydraulic brake works, the 2 hydraulic brakes are opened, so that the two input shafts can rotate; 4 motors are in rotary input, so that output shafts of two double-input single-output speed reducers rotate simultaneously to drive a driving gear to rotate and run; the driving gear is meshed with the rack rail to rotate, so that the whole device moves back and forth along the rail.
The utility model replaces the hydraulic motor with the motor, and realizes the high-efficiency operation of electric traction; four groups of motors are respectively arranged on two sides, so that high-power output of single-group driving is realized; a hydraulic brake is additionally arranged between two motors, four driving motors are respectively arranged on two sides of the two motors, the motors are connected with input shafts of speed reducers, and the input shafts of the speed reducers on the two sides respectively extend out of the opposite sides and are connected with the hydraulic brake to realize effective braking of the whole driving device. The running efficiency of the hydraulic driving device is higher than that of a hydraulic driving device through motor driving; the output power of the hydraulic driving device is higher than that of a hydraulic driving device by simultaneously driving a plurality of groups of motors.
The driving gear is driven by the multiple groups of motors synchronously to continuously run on the rack rail, so that the monorail crane can increase the traction force and improve the climbing angle.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a left side view of fig. 1.
In the figure, 1, a rack rail; 2. a drive frame body; 3. a drive motor; 4. a double-input single-output speed reducer; 5. a drive gear; 6. a load wheel; 7. and a hydraulic brake.
Detailed Description
As shown in fig. 1 and 2, the left side and the right side of a driving frame body 2 of the multi-motor single-rail tooth-hanging driving device are respectively and symmetrically provided with 4 bearing wheels 6, 2 double-input single-output speed reducers 4 and 4 driving motors 3. The driving motor 3 is connected with the double-input single-output speed reducer 4, and the 4 bearing wheels 6 are positioned on the upper side of the frame body, so that the multi-motor single-rail hanging tooth driving device can move back and forth on the rack rail track 1; the two double-input single-output speed reducers 4 are positioned at the lower positions and are symmetrically arranged, and the two output shafts are simultaneously connected with the 1 driving gear 5 through splines; each double-input single-output speed reducer is simultaneously provided with 2 input shafts which are respectively connected with a driving motor through splines; the 2 input shafts extend out of the middle of the frame body and are connected with 2 hydraulic brakes 7.
When the hydraulic brake works, the 2 hydraulic brakes are opened, so that the two input shafts can rotate; 4 driving motors are used for rotating input, so that output shafts of two double-input single-output speed reducers rotate simultaneously to drive the driving gears to rotate and run; the driving gear is meshed with the rack rail to rotate, so that the whole device moves back and forth on the rail.
Claims (1)
1. A multi-motor single-rail lifting tooth driving device comprises driving motors and is characterized in that 4 bearing wheels, 2 double-input single-output speed reducers and 4 driving motors are symmetrically arranged on the left side and the right side of a driving frame body respectively; 4 bearing wheels are positioned on the upper part of the frame body, 2 double-input single-output speed reducers are positioned on the lower part and are symmetrically arranged, and two output shafts are simultaneously connected with 1 driving gear through splines; 2 input shafts of each speed reducer are connected with a driving motor through splines and extend out of the middle of the frame body to be connected with 2 hydraulic brakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020666790.8U CN212125117U (en) | 2020-04-27 | 2020-04-27 | Multi-motor single-rail hanging tooth driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020666790.8U CN212125117U (en) | 2020-04-27 | 2020-04-27 | Multi-motor single-rail hanging tooth driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212125117U true CN212125117U (en) | 2020-12-11 |
Family
ID=73691272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020666790.8U Active CN212125117U (en) | 2020-04-27 | 2020-04-27 | Multi-motor single-rail hanging tooth driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212125117U (en) |
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2020
- 2020-04-27 CN CN202020666790.8U patent/CN212125117U/en active Active
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