CN210048347U - Mine hoist with built-in transmission system - Google Patents
Mine hoist with built-in transmission system Download PDFInfo
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- CN210048347U CN210048347U CN201921020472.8U CN201921020472U CN210048347U CN 210048347 U CN210048347 U CN 210048347U CN 201921020472 U CN201921020472 U CN 201921020472U CN 210048347 U CN210048347 U CN 210048347U
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- planetary gear
- gear reducer
- supporting
- drum
- permanent magnet
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Abstract
The utility model particularly relates to a built-in mine winder of transmission system has solved current mine winder and has had the problem that the energy consumption is high, area is big and factor of safety is low. A permanent magnet synchronous motor and a planetary gear reducer are arranged in the lifting winding drum, the permanent magnet synchronous motor is connected with the planetary gear reducer, and the planetary gear reducer is fixed with the lifting winding drum; the left end and the right end of the lifting drum are both fixed with a left supporting disc and a right supporting disc, the left side of the left supporting disc is provided with a left drum support and a junction box, and the right side of the right supporting disc is provided with a right drum support and an electric hydraulic block brake; the left end of the permanent magnet synchronous motor is fixedly provided with a motor supporting threading pipe, a left bearing is arranged at a gap between the motor supporting threading pipe and a left supporting plate, the planetary gear reducer is matched with the electric power hydraulic block type brake, and a right bearing is arranged at a gap between an output shaft of the planetary gear reducer and a right supporting plate. The utility model discloses when transmission system simplifies, reduced the daily maintenance volume, the security promotes by a wide margin moreover.
Description
Technical Field
The utility model relates to a mine lifting means specifically is a built-in mine winder of transmission system.
Background
At present, most mine hoists adopt a structural form that a transmission system is matched with a main shaft device. The transmission system generally adopts an asynchronous motor to be connected with an input shaft of a speed reducer through a coupling, and an output shaft of the speed reducer is connected with a rotating shaft of a main shaft device through a tooth-type coupling to realize power transmission; the input shaft coupler of the speed reducer is provided with a brake wheel, the electric hydraulic block type brake realizes safe braking on the high-speed coupler, and the disc type brake realizes safe braking and working braking on the main shaft device.
The traditional mine hoist has the advantages that the comprehensive transmission efficiency is 70% -80%, the energy consumption is high, the occupied area is large, and the motor, the speed reducer, the couplers at two ends and the winding drum are all rotating parts, so that the safety factor is low.
Disclosure of Invention
The utility model discloses a solve current mine winder and have the problem that the energy consumption is high, area is big and factor of safety is low, provide a built-in mine winder of transmission system.
The utility model discloses an adopt following technical scheme to realize: a mine hoist with a built-in transmission system comprises a hoisting drum, wherein a permanent magnet synchronous motor and a planetary gear reducer are arranged in the hoisting drum and distributed left and right; a left supporting disk and a right supporting disk with central openings are fixed at the left end and the right end of the lifting drum, a left drum support is arranged on the left side of the left supporting disk, a junction box is arranged on the left side of the left drum support, a right drum support is arranged on the right side of the right supporting disk, and an electric hydraulic block brake is arranged on the right side of the right drum support; the left end of the permanent magnet synchronous motor is fixedly provided with a motor supporting threading pipe which sequentially penetrates through a left supporting plate and a left reel support and is communicated with a junction box, a left bearing is arranged at a gap between the motor supporting threading pipe and the left supporting plate, an output shaft of the planetary gear reducer sequentially penetrates through a right supporting plate and a right reel support to be matched with the electric hydraulic block type brake, and a right bearing is arranged at a gap between the output shaft of the planetary gear reducer and the right supporting plate.
When the wiring terminal works, the wiring terminal of the wiring box is connected with a power line, and the power supply is switched on; after the permanent magnet synchronous motor is electrified, the planetary gear reducer is driven to act, and then the winding drum is driven to rotate through an inner gear ring of the planetary gear reducer so as to perform lifting operation; when braking, the electric hydraulic block brake realizes safe braking on the output shaft of the permanent magnet synchronous motor by braking the output shaft of the planetary gear reducer; the permanent magnet synchronous motor is made of permanent magnet materials, so that energy consumption is avoided, and compared with an asynchronous motor, the permanent magnet synchronous motor has the characteristics of high efficiency, high power factor, small starting current and small impact on a power grid; the planetary gear reducer is designed by adopting gear CAD software, finite element software is used for carrying out reasonable analysis of bearing capacity, temperature rise lubrication and the like and reasonably modifying the shape of the gear, and under the condition that the output torque of the reducer is the same, the volume and the weight are respectively reduced by 50 percent and 40 percent. The problems of high energy consumption, large occupied area and low safety factor of the conventional mine hoist are solved.
The motor supporting threading pipe is sleeved with a plurality of auxiliary supporting disks which are positioned on the left side of the permanent magnet synchronous motor and fixed with the inner wall of the lifting winding drum.
The design of auxiliary supporting disk for placing of motor support threading pipe is more stable, and then makes permanent magnet synchronous motor's stability ability further promote.
The outer side walls of the left end part and the right end part of the lifting winding drum are provided with annular rib plates, and the front sides of the annular rib plates are provided with disc brakes matched with the annular rib plates.
The design of the disc brake realizes the safe braking and the working braking of the winding drum, and the braking effect is further improved.
The utility model has the advantages of reasonable design reliably, saved high, low-speed shaft coupling, when transmission system simplifies, reduced the daily maintenance volume, it is rotatory only to have the reel moreover, and the security promotes by a wide margin, and further, through placing transmission system inside the reel, area only is 50% of traditional mine winder, and transmission component's reduction and adoption low-speed big moment of torsion PMSM, comprehensive transmission efficiency improves 13% -23% than traditional mine winder.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of fig. 1.
In the figure: 1-lifting reel, 2-permanent magnet synchronous motor, 3-planetary gear reducer, 4-left supporting disk, 5-right supporting disk, 6-left reel support, 7-junction box, 8-right reel support, 9-electric hydraulic block brake, 10-motor supporting threading pipe, 11-left bearing, 12-right bearing, 13-auxiliary supporting disk, 14-annular rib plate and 15-disk brake.
Detailed Description
A mine hoist with a built-in transmission system comprises a hoisting drum 1, wherein a permanent magnet synchronous motor 2 and a planetary gear reducer 3 which are distributed left and right are arranged in the hoisting drum 1, an output shaft of the permanent magnet synchronous motor 2 is connected with a planet carrier of the planetary gear reducer 3, and an inner gear ring of the planetary gear reducer 3 is fixed with the hoisting drum 1; a left supporting disk 4 and a right supporting disk 5 with central openings are fixed at the left end and the right end of the lifting drum 1, a left drum support 6 is arranged on the left side of the left supporting disk 4, a junction box 7 is arranged on the left side of the left drum support 6, a right drum support 8 is arranged on the right side of the right supporting disk 5, and an electric hydraulic block type brake 9 is arranged on the right side of the right drum support 8; the left end of the permanent magnet synchronous motor 2 is fixedly provided with a motor supporting threading pipe 10 which sequentially penetrates through a left supporting plate 4 and a left reel support 6 and is communicated with a junction box 7, a left bearing 11 is arranged at a gap between the motor supporting threading pipe 10 and the left supporting plate 4, an output shaft of the planetary gear reducer 3 sequentially penetrates through a right supporting plate 5 and a right reel support 8 to be matched with an electric hydraulic block type brake 9, and a right bearing 12 is arranged at a gap between the output shaft of the planetary gear reducer 3 and the right supporting plate 5.
A plurality of auxiliary supporting disks 13 which are positioned at the left side of the permanent magnet synchronous motor 2 and fixed with the inner wall of the lifting winding drum 1 are sleeved on the motor supporting threading pipe 10; the outer side walls of the left end part and the right end part of the lifting winding drum 1 are respectively provided with an annular rib plate 14, and the front side of the annular rib plate 14 is provided with a disc brake 15 matched with the annular rib plate 14.
In the specific implementation process, the permanent magnet synchronous motor 2 is a low-speed large-torque permanent magnet synchronous variable frequency motor.
Claims (3)
1. A mine hoist with a built-in transmission system comprises a hoisting drum (1), and is characterized in that: a permanent magnet synchronous motor (2) and a planetary gear reducer (3) which are distributed left and right are arranged in the lifting winding drum (1), an output shaft of the permanent magnet synchronous motor (2) is connected with a planet carrier of the planetary gear reducer (3), and an inner gear ring of the planetary gear reducer (3) is fixed with the lifting winding drum (1); a left supporting disk (4) and a right supporting disk (5) with central openings are fixed at the left end and the right end of the lifting drum (1), a left drum support (6) is arranged on the left side of the left supporting disk (4), a junction box (7) is arranged on the left side of the left drum support (6), a right drum support (8) is arranged on the right side of the right supporting disk (5), and an electric hydraulic block type brake (9) is arranged on the right side of the right drum support (8); the left end of the permanent magnet synchronous motor (2) is fixedly provided with a motor supporting threading pipe (10) which sequentially penetrates through a left supporting plate (4) and a left reel support (6) and is communicated with a junction box (7), a left bearing (11) is arranged at a gap between the motor supporting threading pipe (10) and the left supporting plate (4), an output shaft of the planetary gear reducer (3) sequentially penetrates through a right supporting plate (5) and a right reel support (8) to be matched with an electric power hydraulic block type brake (9), and a right bearing (12) is arranged at a gap between the output shaft of the planetary gear reducer (3) and the right supporting plate (5).
2. The mine hoist with built-in transmission system of claim 1, wherein: the motor supporting threading pipe (10) is sleeved with a plurality of auxiliary supporting disks (13) which are positioned on the left side of the permanent magnet synchronous motor (2) and fixed with the inner wall of the lifting winding drum (1).
3. The mine hoist with built-in transmission system of claim 1, wherein: the outer side walls of the left end part and the right end part of the lifting winding drum (1) are respectively provided with an annular rib plate (14), and the front side of each annular rib plate (14) is provided with a disc brake (15) matched with the annular rib plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020472.8U CN210048347U (en) | 2019-07-03 | 2019-07-03 | Mine hoist with built-in transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921020472.8U CN210048347U (en) | 2019-07-03 | 2019-07-03 | Mine hoist with built-in transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210048347U true CN210048347U (en) | 2020-02-11 |
Family
ID=69398293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921020472.8U Active CN210048347U (en) | 2019-07-03 | 2019-07-03 | Mine hoist with built-in transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210048347U (en) |
-
2019
- 2019-07-03 CN CN201921020472.8U patent/CN210048347U/en active Active
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