CN216437027U - Novel vortex coupling speed regulator - Google Patents

Abstract

The utility model discloses a novel eddy current shaft coupling speed regulator, the characteristic is external thread cover, conductor dish installation motor side bearing, motor side bearing internal diameter installation load side main shaft, the internal thread cover is installed to the conductor dish, the screw thread of the internal thread meshing internal thread cover of external thread cover, worm meshing turbine, the worm is installed at the small motor driving shaft, the turbine is installed in the external thread cover outside, the stroke cover is installed to load motor shaft front end, stroke cover front end has the conductor dish, conductor dish front end has the magnet dish, magnet dish front end has motor side bearing. The advantage is through adopting the accurate clearance between adjustment magnet dish and the conductor dish of trapezoidal thread cover, and trapezoidal thread cover pivoted stroke can accurately reflect completely on using the space of magnet dish and conductor dish. Through the relative rotation of conductor dish and magnet dish, interactive electric current and magnet dish interact drive the magnet dish rotatory, realize the torque transfer, drive the load rotation, obtain interactive electric current. Simple structure, easy manufacture and convenient installation and use.

Description

Novel vortex coupling speed regulator

Technical Field

The utility model belongs to marine machinery, especially, novel vortex shaft coupling speed regulator.

Background

The technical scheme has the main defects that the stroke of the traveling of the wedge-shaped groove cannot be completely reflected through the swing rod, the main reason is that the number of linkage joints of the swing rod mechanism is large, the adjustment of the gap between the permanent magnetic disc and the conductor disc is complex, the linkage joints have gaps, the permanent magnetic disc and the conductor disc are prone to abrasion and deformation, the traveling distance of the wedge-shaped groove is caused, the swing rod cannot swing equidistantly, the permanent magnetic disc and the conductor disc cannot truly reflect the traveling distance of the wedge-shaped groove, the adjustment accuracy is poor, and the requirement for speed adjustment cannot be met. Reference 1, application No.: CN 20121056299, inventive name: a permanent magnet eddy current flexible transmission speed regulation device comprises an input shaft and an output shaft which are arranged concentrically, a conductor rotor connected with the input shaft, a permanent magnet rotor connected with the output shaft, and a controllable ring regulated by an external device, wherein the permanent magnet rotor mainly comprises eight permanent magnet sliding blocks which are embedded into an iron core and a guide groove and are distributed uniformly in a radial shape; the conductor rotor consists of two pairs of conductive copper rings; the external device is powered by the servo motor and drives the controllable ring to move along the axial direction of the output shaft. Reference 2, application No.: CN201410260955, title of the invention: a permanent magnet eddy current governor, comprising: two outer rotor discs, wherein a copper disc is fixed on the inner side of each outer rotor disc; two inner rotor discs, inside which permanent magnets are placed; the speed regulation disc is fixed on the transmission shaft through a flat key; the actuating mechanism is fixed on the speed regulating disc and connected to the fixed seat; the input end cover is used for connecting the guide rod with an inner rotor disc; and the output end cover is used for pressing the bearing onto the other inner rotor disc and the outer rotating sleeve, and a rotating arm is fixed on the circumference of the outer rotating sleeve. The speed regulation disk and the inner rotor disk are concentric and are respectively hinged to the two inner rotor disks through connecting rods, and when the rotating arm is operated under the working condition that the rotating speed of the motor is not changed, the two inner rotor disks slide in opposite directions along the axial direction of the transmission shaft by taking the speed regulation disk as a center. The structural features of the comparison documents 1, 2 are different from those of the present patent application.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a novel speed governing energy-saving equipment that power was used, mainly constitute by magnet dish, conductor dish and speed governing mechanism. Through the relative rotation of conductor dish and magnet dish, the line is felt to the magnetism on the conductor dish cutting magnet dish, produces interactive current in the conductor dish, and interactive current and magnet dish interact drive the magnet dish rotatory to realize the transmission of moment of torsion, and then drive the load rotation. The speed regulating mechanism mainly adjusts the gap between the conductor disc and the magnet disc, the size of the gap determines the number of the cutting magnetic field lines, the larger the gap is, the fewer the conductor disc cutting magnetic induction lines are, the smaller the interaction force between the interaction current and the magnet disc is, the lower the rotating speed is, the smaller the gap is, the more the conductor disc cutting magnetic induction lines are, the larger the interaction force between the interaction current and the magnet disc is, and the larger the rotating speed is.

The technical scheme of the utility model is like this: a novel eddy current coupling speed regulator comprises a motor side bearing seat, a magnet disc, a conductor disc, an actuating mechanism, a load side bearing seat, a load side main shaft, a small motor, an external thread sleeve, an internal thread sleeve, a bearing, a duplex bearing, a single bearing, a worm support seat, a worm wheel, a fixing nut, a stroke sleeve and a motor side main shaft, and is characterized in that the external thread sleeve 8 and the load side bearing seat 5 are provided with the bearing 10, the load side main shaft 6 is arranged at the inner diameter of the bearing 10, the load side bearing seat 5 is provided with the internal thread sleeve 9, the internal thread of the external thread sleeve 8 is meshed with the thread of the internal thread sleeve 9, the worm 11 is meshed with the worm wheel 13, the worm wheel 11 is arranged on a driving shaft of the small motor 7, the worm wheel 13 is arranged outside the external thread sleeve 8, the stroke sleeve 15 is arranged at the front end of the load side main shaft 6, the front end of the magnet sleeve 15 is provided with the conductor disc 3, the magnet disc 2 is arranged at the front end of the conductor disc 3, the motor side bearing seat 1 is arranged at the front end of the motor side bearing disc 2, a motor side spindle 16 is mounted on a motor side bearing seat 1 and is connected with a magnet disc 2, a load side spindle 6 is mounted on a load side bearing seat 5, an internal thread sleeve 9 is mounted on the load side bearing seat 5, a turbine 13 is mounted on an external thread sleeve 8, the external thread sleeve 8 penetrates through the load side spindle 6 to be in thread engagement with the internal thread sleeve 9, an adjusting worm 11 is matched with the turbine 13 and is fixed through a worm support seat 12, and a stroke sleeve 15 is connected with the external thread sleeve 8 through a bearing 10 and is fixedly connected with a conductor disc 3.

A worm support seat 12 is arranged below the worm 11.

The bearing 10 is mounted at the front end as a duplex bearing 10-1.

The bearing 10 is mounted at the rear end as a single body bearing 10-2.

The rear end face of the duplex bearing 10-1 at the front end is provided with a fixed nut 14.

Compared with the prior art, the utility model outstanding effect is: the utility model discloses a speed adjusting mechanism is through adopting the accurate clearance between adjustment magnet dish and the conductor dish of trapezoidal thread bush, and trapezoidal thread bush pivoted stroke can accurately reflect completely on the space with magnet dish and conductor dish. Through the relative rotation of conductor dish and magnet dish, interactive current and magnet dish interact drive the magnet dish rotatory, realize the moment of torsion transmission, drive the load rotation, it is big to obtain the interactive current effect, and the rotational speed is big, has simple structure, and the preparation is easy, and installation convenient to use transmits big horsepower, big rotational speed, and is with low costs, and the moment of torsion is big, and the regulation precision is high, and the reliability is high, and the error is little etc. is suitable for motor power trade and uses.

Drawings

Fig. 1 is a schematic view of the installation front view of the present invention.

Fig. 2 is a schematic view of the installation rear view of the present invention.

Fig. 3 is a schematic sectional view according to fig. 1.

FIG. 4 is an enlarged view of I in FIG. 3 according to the present invention.

Reference numerals: the device comprises a motor side bearing seat 1, a magnet disc 2, a conductor disc 3, an actuating mechanism 4, a load side bearing seat 5, a load side spindle 6, a small motor 7, an external thread sleeve 8, an internal thread sleeve 9, a bearing 10, a duplex bearing 10-1, a single bearing 10-2, a worm 11, a worm support seat 12, a turbine 13, a fixing nut 14, a stroke sleeve 15 and a motor side spindle 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Embodiment 1, a novel eddy current coupling speed regulator includes a motor-side bearing housing, a conductor disc, and a load-side main shaft. The end face of the tail end of the load side spindle 6 is correspondingly provided with the magnet disc 2, one side, far away from the conductor disc 3, of the magnet disc 2 is fixedly provided with a stroke sleeve 15, the load side spindle 6 is movably inserted into the stroke sleeve 15, the load side spindle 6 cannot rotate relative to the stroke sleeve 15, the outer side of the stroke sleeve 15 is rotatably provided with an air gap adjusting assembly, the air gap adjusting assembly is the stroke sleeve 15, the air gap adjusting assembly is installed on the load side spindle 6 and is connected with the conductor disc 3 through bolts. But the air gap adjusting assembly cannot be displaced relative to the magnet disc 2 in the horizontal direction. One end of the air gap adjusting component is movably arranged on the motor side bearing seat 1. The front and the back of a load side main shaft 6 are provided with bearings 10, the front end of the load side main shaft is a duplex bearing 10-1, the rear end of the load side main shaft is a single bearing 10-2, the load side main shaft 6 is arranged in an inner hole of the bearing 10, the outer diameter of the rear end of the bearing 10 is provided with a load side bearing seat 5, the outer diameter of the front end of the bearing 10 is provided with an external thread sleeve 8, the external thread of the internal thread sleeve 9 is meshed with the internal thread of the external thread sleeve 8, the inner hole of the external thread sleeve 8 is provided with the duplex bearing 10-1, the inner hole of the load side bearing seat 5 is provided with the single bearing 10-2, a small motor 7 is provided with a worm 11, the worm 11 is supported by a worm support seat 12, and a fixing nut 14 is arranged on the end face of the front end bearing 10 for limiting. The worm wheel 13 is arranged on the outer diameter of the external thread sleeve 8, and the worm 11 is meshed with the worm wheel 13 for transmission. The front end face of the turbine 13 is provided with a stroke sleeve 15, the front end face of the stroke sleeve 15 is provided with a conductor disc 3, the front end face of the conductor disc 3 is provided with a magnet disc 2, and the front face of the magnet disc 2 is provided with a motor side bearing seat 1.

Embodiment 2, with reference to embodiment 1, the utility model discloses a working transmission is: when the air gap is adjusted, the worm 11 is driven by the small motor 7, the worm 11 drives the worm wheel 13, the worm wheel 13 drives the external thread sleeve 8, then the worm 11 is driven by the small motor 7 to be adjusted according to the distance required to be adjusted, and in the rotating process of the external thread sleeve 8, because the external thread sleeve 8 is in threaded engagement with the internal thread sleeve 9 fixed on the motor side bearing seat 1, the external thread sleeve 8 can move in the horizontal direction. And because the external thread sleeve 8 is in limit connection with the conductor disc 3 through the bearing 10, the positioning nut 14 and the installation stroke sleeve 15, when the external thread sleeve 8 moves, the conductor disc 3 also moves along with the external thread sleeve 8, so that the distance between the conductor disc 3 and the motor side bearing seat 1 is changed, and the adjustment of the air gap between the magnet disc 2 and the conductor disc 3 is realized.

Embodiment 3, referring to the drawings, and referring to embodiments 1 and 2, when the conductor disc 3 drives the magnet disc 2 to rotate, the limiting plane and the limiting platform limit the load-side spindle 6, so that the load-side spindle can rotate along with the magnet disc 2, and work is applied to the load. And because the external thread sleeve 8 is connected with the installation stroke sleeve 15 fixed on the conductor disc 3 through the bearing 10, the external thread sleeve 8 does not rotate along with the conductor disc 3, thereby realizing the energy transfer function of the eddy current coupling speed regulator.

Embodiment 4, referring to the drawings, referring to embodiments 1, 2, and 3, a motor-side spindle 16 is mounted on a motor-side bearing housing 1 while being connected to a magnet disk 2; the load side main shaft 6 is installed on the load side bearing block 5, the internal thread sleeve 9 is installed on the load side bearing block 5, the worm wheel 13 is installed on the external thread sleeve 8, the external thread sleeve 8 penetrates through the load side main shaft 6 to be meshed with the internal thread sleeve 9, the adjusting worm 11 is matched with the worm wheel 13 and fixed through the worm support seat 12, and the stroke sleeve 15 is connected with the external thread sleeve 8 through the bearing 10 and fixedly connected with the conductor disc 3. The worm 11 is driven by the small motor 7, the worm 11 drives the worm wheel 13, the worm wheel 13 drives the external thread sleeve 8, the external thread sleeve 8 drives the stroke sleeve 15, and the stroke sleeve 15 drives the conductor disc 3 to adjust the air gap between the conductor disc 3 and the magnet disc 2.

It should be noted that the present embodiment is modified only with respect to the conductor disc 3. However, according to the solution of the present embodiment, the adjustment of the air gap can be achieved by applying the solution to the improvement of the magnet disc 2, and the corresponding technical effects can also be achieved. Therefore, it is within the scope of the present application to transfer the adjustment structure for the air gap to the magnet disc 2.

Claims (5)

1. A novel eddy current coupling speed regulator comprises a motor side bearing seat, a magnet disc, a conductor disc, an actuating mechanism, a load side bearing seat, a load side main shaft, a small motor, an external thread sleeve, an internal thread sleeve, a bearing, a duplex bearing, a single bearing, a worm supporting seat, a turbine, a fixing nut, a stroke sleeve and a motor side main shaft, and is characterized in that the external thread sleeve (8) and the load side bearing seat (5) are provided with the bearing (10), the load side main shaft (6) is arranged on the inner diameter of the bearing (10), the internal thread sleeve (9) is arranged on the load side bearing seat (5), the internal thread of the internal thread sleeve (9) is meshed with the thread of the internal thread sleeve (9) of the external thread sleeve (8), the worm (11) is meshed with the turbine (13), the worm (11) is arranged on a driving shaft of the small motor (7), and the turbine (13) is arranged outside the external thread sleeve (8),

a stroke sleeve (15) is arranged at the front end of the load side main shaft (6), a conductor disc (3) is arranged at the front end of the stroke sleeve (15), a magnet disc (2) is arranged at the front end of the conductor disc (3), a motor side bearing seat (1) is arranged at the front end of the magnet disc (2), a motor side main shaft (16) is arranged on the motor side bearing seat (1), simultaneously connected with the magnet disc (2), a load side main shaft (6) is arranged on a load side bearing seat (5), meanwhile, an internal thread sleeve (9) is arranged on a bearing seat (5) on the load side, a turbine (13) is arranged on an external thread sleeve (8), the external thread sleeve (8) passes through a main shaft (6) on the load side to be engaged with the internal thread sleeve (9) through threads, a worm (11) is adjusted to be matched with the turbine (13), fixed through a worm support seat (12), and a stroke sleeve (15) is connected with an external thread sleeve (8) through a bearing (10) and is fixedly connected with a conductor disc (3).

2. The new type of eddy current coupling governor according to claim 1, characterized in that a worm support base (12) is provided under the worm (11).

3. A new type of eddy current coupling speed regulator according to claim 1, characterized in that the bearing (10) mounted at the front end is a duplex bearing (10-1).

4. A new type of eddy current coupling speed regulator according to claim 1, characterized in that the bearing (10) is mounted at the rear end as a single body bearing (10-2).

5. The novel vortex shaft coupling speed regulator according to claim 1, characterized in that the rear end surface of the duplex bearing (10-1) at the front end is provided with a fixed nut (14).

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