CN202872606U

CN202872606U - Annular vortex speed changer

Info

Publication number: CN202872606U
Application number: CN 201220539242
Authority: CN
Inventors: 王允强; 袁吾均; 华敏; 张文奇; 杨奕
Original assignee: SHANGHAI POTEVIO CO Ltd
Current assignee: SHANGHAI POTEVIO CO Ltd
Priority date: 2012-10-19
Filing date: 2012-10-19
Publication date: 2013-04-10
Anticipated expiration: 2022-10-19

Abstract

The utility model relates to an annular vortex speed changer. The annular vortex speed changer is characterized in that: a conductor rotor assembly comprises a first carbon steel ring with an axial surface in a shape of a Chinese character fang, the first carbon steel ring is fixedly connected with a first shaft sleeve, wear resistant sleeves are arranged between the first shaft sleeve and a driving shaft, the driving shaft is connected with the first shaft sleeve and the first carbon steel ring through a spline, and an inner ring wall of the first carbon steel ring is fixedly connected with a conductor ring; a magnet rotor assembly comprises a second carbon steel ring, an outer ring wall of the second carbon steel ring is connected with a permanent magnetism ring, the permanent magnetism ring is provided in sequence with a circle of permanent magnets with equal distance, inner ring side of the second carbon steel ring is fixedly connected with a second shaft sleeve, the second shaft sleeve is fixedly connected with a load shaft, an outer diameter of the magnet rotor assembly is smaller than an inner diameter of the conductor rotor assembly, and the conductor ring is matched with the permanent magnetism ring; the speed changer also comprises a bearing box, the bearing box is sleeved on the driving shaft, and an antifriction bearing in the bearing box is fixedly connected with an outer wall of the first shaft sleeve; and the speed changer also comprises a support base, the support base is provided with a horizontal hydraulic cylinder, and a piston rod of the horizontal hydraulic cylinder is fixedly connected with the bearing box.

Description

The vortex ring speed changer

Technical field

The utility model relates to a kind of vortex speed changer, relates in particular to a kind of vortex ring speed changer, belongs to the mechanical transmissioning technology field.

Background technology

Existing vortex speed changer is disk-shaped structure, application number is 201120133126.8, Granted publication day is that the Chinese utility model patent on December 21st, 2011 discloses a kind of disk eddy current speed changer, as shown in Figure 1, driving shaft is connected with the conductor disc assembly, the conductor disc assembly comprises supporting disk, the supporting disk inboard is provided with conductor loops 18, magnet rotor 19 is connected with bearing axle, magnet rotor 19 is provided with permanent magnets 15, when driving shaft drove the supporting disk rotation, conductor loops was along the magnetic line of force that circumferentially constantly cuts permanent magnets 15 of driving shaft, so permanent magnetic disk 19 stressed rotations, by rotary turbine 16 and worm screw 17, can regulate the spacing of permanent magnets 15 and conductor loops 18, regulate the density of cutting magnetic line, thus regulating rotary dynamic torque and bearing axle rotating speed.

This dish-type vortex speed changer radial dimension is larger, if when the center of the equipment of use height is inadequate, just needs to transform base, and except having increased improvement cost, the while has also increased duration and work difficulty, and the energy-conservation payback period of reforming equipment has also prolonged; The dish-type vortex speed changer time can produce an axial force in acting, as shown in Figure 1, so that no matter be that cost is higher, and stability is not high on the equipment or carry and must have one group of thrust bearing 18 to support this axial force on the back shaft; As shown in Figure 1, 2, the strutting piece of fixed conductor ring 18 is provided with heat dissipation element 20, as shown in Figure 2, heat dissipation element 20 is provided with radiating fin 20a, when the disk eddy current speed changer turned round, radiating fin 20a rotated together, and radiating fin 20a can be subject to wind resistance, cause the vortex speed changer Efficiency Decreasing, energy consumption strengthens; The dish-type vortex speed changer is because be subject to the width of housing, and it is limited therefore to open up into maximum air gap, and then in the situation of maximum air gap, still have the rotating speed about 10-30%, in other words, minimum speed still has the rotating speed about 10-30%, so that the rotational speed regulation narrow limits.

Summary of the invention

The technical problem that the utility model solves is: dish-type vortex speed changer radial dimension is larger, if when heart height is inadequate among the use equipment, just needs to transform base, has increased duration and work difficulty; The dish-type vortex speed changer can produce an axial force when acting, must have one group of thrust bearing 18 to support this axial force, and cost is higher, and stability is not high; Radiating fin 20a produces larger wind resistance during heat dissipation element 20 rotation, causes Efficiency Decreasing, and energy consumption strengthens; Disk eddy current speed changer rotational speed regulation narrow range, especially low speed is too high.

The utility model has adopted following technical scheme:

A kind of vortex ring speed changer, comprise driving shaft 1, bearing axle 2, the conductor rotor assembly, magnetic rotor component, described driving shaft 1, bearing axle 2, conductor rotor assembly, the coaxial setting of magnetic rotor component, described conductor rotor assembly comprises that axial plane is the first carbon steel ring 7 of Contraband font, described the first carbon steel ring 7 is fixedly connected with the first axle sleeve 13, be provided with wear-resistant sleeve 6 between described the first axle sleeve 13 and the driving shaft 1, driving shaft 1 is by spline 14 and the first axle sleeve and the first carbon steel ring engagement connection, and described the first carbon steel ring 7 internal ring walls are fixedly connected with conductor loops 8; Described magnetic rotor component comprises the second carbon steel ring 10, the external annulus of described the second carbon steel ring 10 is connected with permanent-magnetic clamp 9, be provided with successively an equidistant circle permanent magnet 9a on the described permanent-magnetic clamp 9, described the second carbon steel ring 10 interior ring sides are fixedly connected with the second axle sleeve 11, described the second axle sleeve 11 is fixedly connected with bearing axle 2, described magnetic rotor component external diameter is less than conductor rotor assembly internal diameter, and described conductor loops 8 is corresponding with permanent-magnetic clamp 9; Also comprise bearing housing 4, described bearing housing is sheathed on the driving shaft 1, and the rolling bearing 5 in the bearing housing 4 is fixedly connected with the outer wall of the first axle sleeve 13; Also comprise supporting seat 3, described supporting seat 3 is sheathed on driving shaft 1 outside, and described supporting seat 3 is provided with horizontal hydraulic cylinder 12, and the piston rod of described horizontal hydraulic cylinder 13 is fixedly connected with bearing housing 4, can spur bearing housing 4 and move horizontally.

Further, described wear-resistant sleeve 6 is vulcanie class material.

Further, the pole orientation of two adjacent permanent magnet 9a is opposite.

Further, described the first carbon steel ring 7 peripheries radially are provided with a circle fin.

Further, described conductor loops 8 is copper or aluminium matter.

A kind of above-mentioned vortex ring speed changer, described conductor loops 8 is exchanged with the position of permanent-magnetic clamp 9.

A kind of above-mentioned vortex ring speed changer, described driving shaft 1 is exchanged with the position of bearing axle 2.

Characteristics of the present utility model are: existing disk eddy current speed changer is changed to the vortex ring speed changer.

The beneficial effects of the utility model are:

1) reduced the radial dimension of vortex speed changer, overall structure is compacter, and the equipment center requirement for height is lower.

2) axial force of having avoided vortex speed changer to produce, thus thrust bearing 18 saved, reduced cost, improved stability.

3) along the first carbon steel ring periphery fin is set radially, the direction of fin is consistent with rotation direction, has reduced greatly windage, has improved efficiency.

4) greatly improve the rotational speed regulation scope, thereby improved the range of application of vortex speed changer.

Description of drawings

Fig. 1 is the cross-sectional view of prior art disk eddy current speed changer.

Fig. 2 is the front schematic view of the heat dissipation element 20 among Fig. 1.

Fig. 3 is the utility model vortex ring speed changer conductor loops 8 schematic diagram when larger over against area with permanent-magnetic clamp 9.

Fig. 4 is the utility model vortex ring speed changer conductor loops 8 with permanent-magnetic clamp 9 over against area schematic diagram hour.

Fig. 5 is the schematic diagram that the permanent magnets 9a on the permanent-magnetic clamp 9 arranges order.

Wherein, 1, driving shaft, 2, bearing axle, 3, supporting seat, 4, bearing housing, 5, bearing, 6, wear ring, the 7, first carbon steel ring, 8, conductor loops, 9, permanent-magnetic clamp, the 10, second carbon steel ring, the 11, second axle sleeve, 12, hydraulic cylinder, the 13, first axle sleeve, 14, spline, 15, permanent magnets, 15, turbine, 16, turbine, 17, worm screw, 18, thrust bearing, 19, magnet rotor, 20, heat dissipation element, 9a, permanent magnet, 20a, radiating fin.

Embodiment

Below in conjunction with specific embodiment the utility model is further specified.

Embodiment (one)

As shown in Figure 3, driving shaft 1, bearing axle 2 coaxial settings, the left end of bearing axle 2 is connected with the second axle sleeve 11, and the second axle sleeve 11 outsides are fixedly connected with the second carbon steel ring 10, the second carbon steel ring outside is fixedly connected with permanent-magnetic clamp 9, and permanent-magnetic clamp 9 is provided with permanent magnet 9a separated by a certain interval.

Driving shaft 1 is connected by the first carbon steel ring 7 that spline 14 and axial plane are the Contraband font, the first ring spring 7 inboards are provided with conductor loops 8, and be connected with the first axle sleeve 13 bolted, use spline 14 to be connected between driving shaft 1 and the first carbon steel ring 8 and the first axle sleeve 13, namely come transmitting torque by spline 14, between driving shaft 1 and the first axle sleeve 13 wear ring 6 is set, wear ring 6 uses vulcanie to make, the first axle sleeve 13 outsides are fixedly connected with bearing housing 4, be provided with bearing 5 in the bearing housing 4,5 pairs of the first axle sleeves of bearing play the effect of radial location, bearing housing 4 also is fixedly connected with the piston rod of the hydraulic cylinder 12 of level, when the piston rods in the hydraulic cylinder 12 move forward and backward, drives bearing housing 4, the first axle sleeve 13, the first carbon steel ring 7, conductor loops 8 moves horizontally together so that permanent-magnetic clamp 9 and conductor loops 8 over against to some extent conversion of area, the density of conductor loops 9 cutting magnetic lines will change, thereby so that driving shaft 1 changes to some extent to the moment that bearing axle 2 transmits, reach the purpose of regulating load axle 2 rotating speeds.

The first carbon steel ring 7 outsides are provided with the fin parallel with its rotational plane, and namely the fin direction is consistent with rotation direction, and the fin resistance is very little, has reduced energy consumption, has improved the efficiency of vortex speed changer.

As shown in Figure 5, intercepting permanent-magnetic clamp 9 is a bit of with conductor loops 10, and the pole orientation of the adjacent permanent magnet 9a on the permanent-magnetic clamp 9 is opposite, thus between permanent-magnetic clamp 9 and conductor loops 10 the identical magnetic field of generation direction so that magnetic field is more stable, can not cancel out each other.

Embodiment (two)

For the first embodiment, driving shaft 1 and the position of bearing axle 2 are exchanged, can realize function of the present utility model and technique effect equally.

Embodiment (three)

For the first embodiment, permanent-magnetic clamp 9 and the position of conductor loops 8 are exchanged, can realize function of the present utility model and technique effect equally.

Claims

1. a vortex ring speed changer comprises driving shaft (1), bearing axle (2), and the conductor rotor assembly, magnetic rotor component, described driving shaft (1), bearing axle (2), conductor rotor assembly, the coaxial setting of magnetic rotor component is characterized in that:

Described conductor rotor assembly comprises that axial plane is the first carbon steel ring (7) of Contraband font, described the first carbon steel ring (7) is fixedly connected with the first axle sleeve (13), be provided with wear-resistant sleeve (6) between described the first axle sleeve (13) and the driving shaft (1), driving shaft (1) is by spline (14) and the first axle sleeve and the first carbon steel ring engagement connection, and described the first carbon steel ring (7) internal ring wall is fixedly connected with conductor loops (8);

Described magnetic rotor component comprises the second carbon steel ring (10), the external annulus of described the second carbon steel ring (10) is connected with permanent-magnetic clamp (9), be provided with successively an equidistant circle permanent magnet (9a) on the described permanent-magnetic clamp (9), the ring side is fixedly connected with the second axle sleeve (11) in described the second carbon steel ring (10), described the second axle sleeve (11) is fixedly connected with bearing axle (2), described magnetic rotor component external diameter is less than conductor rotor assembly internal diameter, and described conductor loops (8) is corresponding with permanent-magnetic clamp (9);

Also comprise bearing housing (4), described bearing housing is sheathed on the driving shaft (1), and the rolling bearing (5) in the bearing housing (4) is fixedly connected with the outer wall of the first axle sleeve (13);

Also comprise supporting seat (3), described supporting seat (3) is sheathed on driving shaft (1) outside, described supporting seat (3) is provided with horizontal hydraulic cylinder (12), and the piston rod of described horizontal hydraulic cylinder (13) is fixedly connected with bearing housing (4), can spur bearing housing (4) and move horizontally.

2. vortex ring speed changer as claimed in claim 1 is characterized in that: described wear-resistant sleeve (6) is vulcanie class material.

3. vortex ring speed changer as claimed in claim 1, it is characterized in that: the pole orientation of adjacent two permanent magnets (9a) is opposite.

4. vortex ring speed changer as claimed in claim 1 is characterized in that: described the first carbon steel ring (7) periphery radially is provided with a circle fin.

5. the vortex ring speed changer shown in claim 1, it is characterized in that: described conductor loops (8) is copper or aluminium matter.

6. vortex ring speed changer as claimed in claim 1 is characterized in that: described conductor loops (8) is exchanged with the position of permanent-magnetic clamp (9).

7. vortex ring speed changer as claimed in claim 1 is characterized in that: described driving shaft (1) is exchanged with the position of bearing axle (2).