CN203872029U - Mining torque-limiting permanent magnet transmission device with motor driving permanent magnet disc to rotate - Google Patents
Mining torque-limiting permanent magnet transmission device with motor driving permanent magnet disc to rotate Download PDFInfo
- Publication number
- CN203872029U CN203872029U CN201420259622.1U CN201420259622U CN203872029U CN 203872029 U CN203872029 U CN 203872029U CN 201420259622 U CN201420259622 U CN 201420259622U CN 203872029 U CN203872029 U CN 203872029U
- Authority
- CN
- China
- Prior art keywords
- mounting disc
- disc
- input
- output
- power shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a mining torque-limiting permanent magnet transmission device with a motor driving a permanent magnet disc to rotate. The device includes an input shaft, an input end installation disc, a connecting body, an output end installation disc, two permanent magnet discs, two centrifugal body structures, a coupler, an input end bearing and an output end bearing, inner sides of the input end installation disc and the output end installation disc are provided with copper discs, and outer sides of the input end installation disc and the output end installation disc are provided with cooling fins. The mining torque-limiting permanent magnet transmission device in the utility model adopts pure mechanical non-contact transmission, is efficiency and energy-saving, and has high environment adaptability; and when the device is applied to a heavy load starting occasion, a function of protecting the motor can be realized, and the center of gravity of the device is located at one side of a motor shaft, a situation of breakage of a working machine end shaft can be prevented from occurring, and operational reliability of a transmission system is enhanced.
Description
Technical field
The utility model belongs to mining equipment transmission field, provides especially a kind of motor to drive the mining distance-limiting type permanent magnetic transmission device of permanent magnet disc spins.
Background technology
Mining distance-limiting type permanent magnetic transmission device take magnetic field as medium, utilize the relative motion between permanent magnet and copper conductor, in copper conductor, produce inductive loop, inductive loop magnetic field and permanent magnet magnetic field interactions generate transmitting torque, realize the contactless power transmission of pure machinery, be widely used in, in the transmission equipment such as belt feeder and scrapper conveyor in field, colliery, thering is energy-efficient, non-maintaining technical advantage.
At present, mining distance-limiting type permanent magnetic transmission device structure is that motor drives copper disc spins, and cutting magnetic field of permanent magnet produces inductive loop, and eddy current magnetism and permanent magnet magnetic field interactions generate electromagnetic torque and drive permanent magnet disc spins, and then drives working machine operation.This kind of structure can efficiently complete the power transmission of motor to working machine, but some problems highlight gradually in constantly applying:
(1) in coal production, motor is heavy load starting mostly, motor drives copper dish to reach rated speed, and permanent magnetism body disc is subject to heavy duty impact in low speed state, centrifugal block on permanent magnetism body disc cannot be thrown away, between copper dish and permanent magnetism body disc, air gap cannot reach maximum, large-slip between permanent magnetism body disc and copper dish causes copper hair updo heat very large, and the heat of copper dish passes to permanent magnetism body disc gradually will cause permanent magnet demagnetization, and final permanent magnetic transmission device cannot normally move.
(2) structure that motor is connected with copper rotor by plum blossom dish coupling has caused the center of gravity of whole device to concentrate on the output of permanent magnetic transmission device, in the time being applied to the thin occasion of the relative motor diameter of axle in a few thing arbor footpath, the easily situation of working machine end diameter of axle fracture, affect the normal operation of drive system, reduced production efficiency.
The important function of bringing into play in coal production field based on mining distance-limiting type permanent magnetic transmission device, is necessary to provide a kind of novel permanent magnetic transmission device that can overcome the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of motor to drive the mining distance-limiting type permanent magnetic transmission device of permanent magnet disc spins, can effectively address the above problem.
The technical solution of the utility model is: a kind of motor drives the mining distance-limiting type permanent magnetic transmission device of permanent magnet disc spins, comprising: power shaft 1, input mounting disc 2, connector 3, output mounting disc 4, two permanent magnetism body discs 6, two centrifugal body structures 8, shaft coupling 9, input bearing 10, output bearing 11; Described input mounting disc 2 and output mounting disc 4 are set on power shaft 1, described input mounting disc 2 is positioned at input one end of power shaft 1 and is connected with power shaft 1 by input bearing 10, and described output mounting disc 4 is positioned at output one end of power shaft 1 and is connected with power shaft 1 by output bearing 11; Described connector 3 is located between input mounting disc 2 and output mounting disc 4, and described input mounting disc 2 is connected with connector 3 bolted respectively with output mounting disc 4; Described shaft coupling 9 is located at the output of power shaft 1 and is connected with output mounting disc 4 bolted; Described two permanent magnetism body discs 6 are positioned at the cavity that input mounting disc 2, connector 3 and output mounting disc 4 threes form, and described two permanent magnetism body discs 6 are set on power shaft 1; Described two centrifugal body structures 8 are between two permanent magnetism body discs 6 and be located on the permanent magnetism body disc 6 near the input of power shaft 1, and described two centrifugal body structures 8 are about axial symmetry; Described input mounting disc 2 and output mounting disc 4 inner sides are respectively equipped with copper dish 5; Described input mounting disc 2 and output mounting disc 4 outsides are respectively equipped with fin 7.
Preferably, described centrifugal body structure 8 is made up of orthogonal block I 801, block II 802 and the spring 803 that is connected block I 801, block II 802, and described block I 801 is fixed on the permanent magnetism body disc 6 near the input of power shaft 1.
Preferably, described input mounting disc 2 and output mounting disc 4 form flameproof joint I 32 and flameproof joint II 34 with connector 3 respectively, described power shaft 1 forms flameproof joint III 12 with input mounting disc 2, and described power shaft 1 forms flameproof joint IV 14 with output mounting disc 4.The length of flameproof joint I 32, flameproof joint II 34, flameproof joint III 12 and flameproof joint IV 14 and gap all meet the requirement of mine explosion-suppression standard.
Preferably, described shaft coupling 9 is plum blossom disc couplin.
The utlity model has following useful effect:
The utility model is pure mechanical non-contact transmission, energy-efficient, environmental suitability is strong; While being applied to heavy load starting occasion, can realize protection electric motors function, and this device center of gravity is positioned at motor shaft one side, can avoids the generation of working machine end axle fracture situation, strengthened drive system operational reliability.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
The schematic diagram of permanent magnetism body disc operation when Fig. 2 is the utility model embodiment electric motor starting;
Fig. 3 is the schematic diagram of the centrifugal body structure of the utility model embodiment;
In figure: 1, power shaft; 2, input mounting disc; 3, connector; 4, output mounting disc; 5, copper dish; 6, permanent magnetism body disc; 7, fin; 8, centrifugal body structure; 9, shaft coupling; 10, input bearing; 11, output bearing; 12, flameproof joint III; 14, flameproof joint IV; 32, flameproof joint I; 34, flameproof joint II; 801, block I; 802, block II; 803, spring.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As Figure 1-3, motor drives a mining distance-limiting type permanent magnetic transmission device for permanent magnet disc spins, comprising: power shaft 1, input mounting disc 2, connector 3, output mounting disc 4, two permanent magnetism body discs 6, two centrifugal body structures 8, shaft coupling 9, input bearing 10, output bearing 11; Described input mounting disc 2 and output mounting disc 4 are set on power shaft 1, described input mounting disc 2 is positioned at input one end of power shaft 1 and is connected with power shaft 1 by input bearing 10, and described output mounting disc 4 is positioned at output one end of power shaft 1 and is connected with power shaft 1 by output bearing 11; Described connector 3 is located between input mounting disc 2 and output mounting disc 4, and described input mounting disc 2 is connected with connector 3 bolted respectively with output mounting disc 4; Described shaft coupling 9 is located at the output of power shaft 1 and is connected with output mounting disc 4 bolted; Described two permanent magnetism body discs 6 are positioned at the cavity that input mounting disc 2, connector 3 and output mounting disc 4 threes form, and described two permanent magnetism body discs 6 are set on power shaft 1; Described two centrifugal body structures 8 are between two permanent magnetism body discs 6 and be located on the permanent magnetism body disc 6 near the input of power shaft 1, and described two centrifugal body structures 8 are about axial symmetry; Described input mounting disc 2 and output mounting disc 4 inner sides are respectively equipped with copper dish 5; Described input mounting disc 2 and output mounting disc 4 outsides are respectively equipped with fin 7.
Described centrifugal body structure 8 is made up of orthogonal block I 801, block II 802 and the spring 803 that is connected block I 801, block II 802, and described block I 801 is fixed on the permanent magnetism body disc 6 near the input of power shaft 1.
Described input mounting disc 2 and output mounting disc 4 form flameproof joint I 32 and flameproof joint II 34 with connector 3 respectively, described power shaft 1 forms flameproof joint III 12 with input mounting disc 2, and described power shaft 1 forms flameproof joint IV 14 with output mounting disc 4.The length of flameproof joint I 32, flameproof joint II 34, flameproof joint III 12 and flameproof joint IV 14 and gap all meet the requirement of mine explosion-suppression standard.
Described shaft coupling 9 is plum blossom disc couplin.
In the utility model, jointly form permanent magnet rotor by power shaft 1, permanent magnetism body disc 6, centrifugal body structure 8, be connected with motor by power shaft 1.Jointly form copper rotor by input mounting disc 2, connector 3, output mounting disc 4, copper dish 5 and fin 7, working machine is connected with copper rotor by shaft coupling 9.For the working machine diameter of axle occasion thinner than the motor diameter of axle, the utility model structure concentrates on motor shaft the weight of magnetic coupling device, the generation of working crankshaft crack conditions while having avoided operation.
Motor drives permanent magnet rotor rotation, between permanent magnetism body disc 6 and copper dish 5, produce relative motion, copper dish 5 cuts the permanent magnet magnetic line of force and produces inductive loop, magnetic field of permanent magnet and vortex induction magnetic field interaction produce torque, the rotation of drive copper rotor, the operation of driving working machine, has realized noncontact Purely mechanical transmission between motor and working machine, has efficient non-maintaining feature.
As shown in Figure 2, when firm starter motor, permanent magnetism body disc 6 reaches rapidly rated speed, copper rotor lags behind and rotates relative to permanent magnet rotor, realize No Load Start motor, copper dish 5 rotating speed under electromagnetic torque effect is increased to rated speed (this process slippage from large to small) gradually, and repulsion changes from large to small with slippage between the two, and permanent magnetism body disc 6 can first inwardly outwards move again.
As shown in Figure 3, centrifugal body structure 8 is in the time of electric motor starting, and block II 802 is thrown away under centrifugal action, and the rigidity of spring 803 has determined the time that block II 802 is thrown away completely.Under normal band carries starting state, when spring 803 rigidity can ensure that permanent magnetism body disc 6 inwardly moves, block II 802 is not thrown away completely, two permanent magnetism body discs 6 are subject to stopping not of block II 802 can locking, after copper dish 5 speed increase gradually, electromagnetic repulsion force reduces gradually, and between copper dish 5 and permanent magnetism body disc 6, distance is dwindled gradually, after self-adapting load, normally operation.Under heavy load starting state; permanent magnetism body disc 6 reaches after rated speed; the rotating speed of copper dish 5 cannot reach rated speed all the time; cause electromagnetic repulsion force between the two always in very large state, block II 802 cannot stop that two permanent magnetism body discs 6 inwardly move, final two permanent magnetism body disc 6 lockings; between copper dish 5 and permanent magnetism body disc 6, air gap L reaches maximum; motor normally moves, and load end cannot start, and protects electric motors function while having realized heavy load starting.
After normal starter motor, be in operation in the time that overload appears in working machine end, slippage increases, and two permanent magnetism body discs 6 can inwardly be thrown off, and makes air gap L to maximum, and motor can normally move, and realizes overload protection electric motors function.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. the mining distance-limiting type permanent magnetic transmission device of a motor driving permanent magnet disc spins, it is characterized in that, comprising: power shaft (1), input mounting disc (2), connector (3), output mounting disc (4), two permanent magnetism body discs (6), two centrifugal body structures (8), shaft coupling (9), input bearing (10), output bearing (11); Described input mounting disc (2) and output mounting disc (4) are set on power shaft (1), described input mounting disc (2) is positioned at input one end of power shaft (1) and is connected with power shaft (1) by input bearing (10), and described output mounting disc (4) is positioned at output one end of power shaft (1) and is connected with power shaft (1) by output bearing (11); Described connector (3) is located between input mounting disc (2) and output mounting disc (4), and described input mounting disc (2) is connected with connector (3) bolted respectively with output mounting disc (4); Described shaft coupling (9) is located at the output of power shaft (1) and is connected with output mounting disc (4) bolted; Described two permanent magnetism body discs (6) are positioned at the cavity that input mounting disc (2), connector (3) and output mounting disc (4) three form, and described two permanent magnetism body discs (6) are set on power shaft (1); Described two centrifugal body structures (8) are positioned between two permanent magnetism body discs (6) and are located on the permanent magnetism body disc (6) of input of close power shaft (1), and described two centrifugal body structures (8) are about axial symmetry; Described input mounting disc (2) and output mounting disc (4) inner side are respectively equipped with copper dish (5); Described input mounting disc (2) and output mounting disc (4) outside are respectively equipped with fin (7).
2. drive the mining distance-limiting type permanent magnetic transmission device of permanent magnet disc spins according to a kind of motor claimed in claim 1, it is characterized in that, described centrifugal body structure (8) is made up of orthogonal block I (801), block II (802) and the spring (803) that is connected block I (801), block II (802), and described block I (801) is fixed on the permanent magnetism body disc (6) near the input of power shaft (1).
3. drive the mining distance-limiting type permanent magnetic transmission device of permanent magnet disc spins according to a kind of motor claimed in claim 2, it is characterized in that, described input mounting disc (2) and output mounting disc (4) form flameproof joint I (32) and flameproof joint II (34) with connector (3) respectively, described power shaft (1) forms flameproof joint III (12) with input mounting disc (2), and described power shaft (1) forms flameproof joint IV (14) with output mounting disc (4).
4. the mining distance-limiting type permanent magnetic transmission device that drives permanent magnet disc spins according to a kind of motor claimed in claim 3, is characterized in that, described shaft coupling (9) is plum blossom disc couplin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259622.1U CN203872029U (en) | 2014-05-21 | 2014-05-21 | Mining torque-limiting permanent magnet transmission device with motor driving permanent magnet disc to rotate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259622.1U CN203872029U (en) | 2014-05-21 | 2014-05-21 | Mining torque-limiting permanent magnet transmission device with motor driving permanent magnet disc to rotate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872029U true CN203872029U (en) | 2014-10-08 |
Family
ID=51652950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259622.1U Active CN203872029U (en) | 2014-05-21 | 2014-05-21 | Mining torque-limiting permanent magnet transmission device with motor driving permanent magnet disc to rotate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038021A (en) * | 2014-05-21 | 2014-09-10 | 煤科集团沈阳研究院有限公司 | Mining torque-limiting type permanent magnet transmission device capable of driving permanent magnet disks to rotate by motor |
| CN106026612A (en) * | 2016-05-20 | 2016-10-12 | 上海市东方海事工程技术有限公司 | Totally-closed foreign material invasion prevention torque-limited permanent magnet coupler |
-
2014
- 2014-05-21 CN CN201420259622.1U patent/CN203872029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038021A (en) * | 2014-05-21 | 2014-09-10 | 煤科集团沈阳研究院有限公司 | Mining torque-limiting type permanent magnet transmission device capable of driving permanent magnet disks to rotate by motor |
| CN106026612A (en) * | 2016-05-20 | 2016-10-12 | 上海市东方海事工程技术有限公司 | Totally-closed foreign material invasion prevention torque-limited permanent magnet coupler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103326538A (en) | Intelligent permanent magnet speed regulation energy-saving device | |
| CN202172357U (en) | Intelligent protective type disc electromagnetic coupling | |
| CN203225647U (en) | Torque-limited-type permanent-magnetism coupler | |
| CN106936290A (en) | A kind of permanent-magnet coupler for improving conductor disc | |
| CN203872029U (en) | Mining torque-limiting permanent magnet transmission device with motor driving permanent magnet disc to rotate | |
| CN206569619U (en) | A kind of ribbon conveyer with soft start and overload protection | |
| CN203674955U (en) | Speed-adjustable permanent magnetic actuator | |
| CN108282074A (en) | A kind of hybrid permanent torque permanent magnet eddy-current clutch of more conductor cylinders | |
| CN104038021A (en) | Mining torque-limiting type permanent magnet transmission device capable of driving permanent magnet disks to rotate by motor | |
| CN103812306B (en) | A kind of permanent magnetic coupling position limiting structure | |
| CN204030918U (en) | A kind of permanent magnetic coupling position limiting structure | |
| CN201687870U (en) | Double-output shaft magnetic powder clutch | |
| CN204131366U (en) | The special magnetic actuator of high moment of torsion | |
| CN103904858A (en) | Single-tray-type permanent magnet eddy-current coupler with fixed end surface | |
| CN203398974U (en) | Mushroomed intelligent protective type permanent magnetic coupler | |
| CN103337937A (en) | Novel coaxial magnetic transmission device | |
| CN204131367U (en) | The special magnetic actuator of coal pulverizer | |
| CN110131325A (en) | A kind of permanent magnet coupling bumper guard | |
| CN204825392U (en) | Two motor dynamic devices that drive and washing machine thereof | |
| CN204179922U (en) | Double copper ring formula permanent magnet clutch | |
| CN203416146U (en) | An inner-radiation-ring simple permanent magnetic shaft coupling | |
| CN204290659U (en) | Single copper ring formula permanent magnet clutch | |
| CN203872031U (en) | Mining speed-adjusting permanent magnet transmission device | |
| CN204131365U (en) | overload protection type permanent magnetic transmission device | |
| CN207117458U (en) | A kind of permanent magnet clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |