CN215772763U

CN215772763U - Magnetic coupling of mechanical speed regulating mechanism

Info

Publication number: CN215772763U
Application number: CN202121707502.XU
Authority: CN
Inventors: 王雷; 刘昊; 周海江; 田冠华; 李梁; 张黎
Original assignee: Shenyang Research Institute Co Ltd of CCTEG
Current assignee: Shenyang Research Institute Co Ltd of CCTEG
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-08
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a magnetic coupler of a mechanical speed regulating mechanism, which comprises an output shaft, an output assembly, a magnetic disc assembly and an output shaft bearing seat, wherein the magnetic disc assembly is fixedly arranged at the left end of the output assembly, the output shaft is inserted and assembled in the output assembly, and a worm wheel gland is fixedly arranged on the left surface of the output bearing seat through a first fixing screw, the transmission torque is greatly increased.

Description

Magnetic coupling of mechanical speed regulating mechanism

Technical Field

The utility model belongs to the technical field of magnetic couplers, and particularly provides a magnetic coupler of a mechanical speed regulating mechanism.

Background

In the field of design of magnetic couplers, there is a speed-regulating type magnetic coupler, in which speed regulation is performed by driving a driving device through a pull rod, and the number of revolutions is controlled by adjusting the gap between a magnet coupling disk and a copper disk to adjust the magnitude of magnetic force.

In the design field of the traditional speed regulation type magnetic coupler, a speed regulation mechanism drives a speed regulation outer sleeve to rotate in a curve groove of a speed regulation inner sleeve by a pull rod, so that a gap between a magnet connecting disc and a copper disc is controlled, and the rotating speed is controlled by controlling the size of an air gap.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a magnetic coupler of a mechanical speed regulating mechanism.

In order to achieve the purpose, the utility model adopts the technical scheme that: a magnetic coupler of a mechanical speed regulating mechanism comprises an output shaft, an output assembly, a magnetic disc assembly and an output shaft bearing seat, wherein the output assembly is assembled in the output shaft bearing seat;

the output assembly comprises a bearing sleeve, the bearing sleeve is sleeved on the outer surface of the output shaft, a self-lubricating shaft sleeve is embedded on the right side of the inner surface of the bearing sleeve, the inner spigot of the magnetic disc component is fixed at the left end of the bearing sleeve through a fastening screw, angular contact bearings are symmetrically assembled on the left and right of the outer surface of the bearing sleeve, the outer wall of the angular contact bearing is sleeved with a screw rod, the left side of the outer surface of the screw rod is fixedly provided with a guide key through a limiting screw, the upper side of the inner surface of the worm wheel gland is provided with a key groove, and the guide key is inserted in the key slot, a worm wheel is assembled between the output bearing seat and the worm wheel gland, and the inner surface of the worm wheel is provided with a T-shaped thread structure, the worm wheel is screwed to the outer surface of the screw rod through the T-shaped thread structure, and a worm is inserted and assembled at the rear side of the inner cavity of the output bearing seat, and the worm is meshed with the worm wheel.

Furthermore, the screw, the worm wheel and the worm are all made of 40Cr materials.

Further, the left side of the outer surface of the output shaft is sleeved with a first round nut and a washer.

Furthermore, a speed regulation bearing spacer I and a speed regulation bearing spacer II are sleeved on the outer side wall of the bearing sleeve, the speed regulation bearing spacer I and the speed regulation bearing spacer II are located between the two angular contact bearings, a second round nut and a first stop washer are assembled on the outer surface of the right end of the bearing sleeve, and a speed regulation bearing gland is fixedly installed on the left surface of the screw rod through a screw.

Further, a wear-resistant sleeve is fixedly mounted on the right side of the outer surface of the screw rod through a second fixing screw.

Furthermore, a threaded hole is formed in the lower side of the outer surface of the output bearing seat, a temperature sensor is assembled on the inner surface of the threaded hole in a threaded mode, and the temperature sensor is connected to an external power supply through a lead.

Furthermore, the rear side of the inner cavity of the output bearing seat is vertically inserted and assembled with a rotating shaft, the worm is assembled on the outer surface of the rotating shaft through a common flat key, the lower end of the output bearing seat is fixedly provided with a worm seat gland through a third round nut and a second stop washer, the upper surface of the worm seat gland is provided with a deep groove ball bearing, the lower side of the outer surface of the rotating shaft is sleeved with a spacer bush, the spacer bush is positioned between the deep groove ball bearing and the worm, the upper end of the output bearing seat is fixedly provided with a bearing positioning sleeve through a fastening bolt, the lower surface of the bearing positioning sleeve is provided with an angular contact ball bearing, the upper side of the outer surface of the rotating shaft is sleeved and provided with a small round nut and a third stop washer, and the third lock washer is clung to the upper surface of the inner ring of the angular contact ball bearing, the upper end of the rotating shaft is fixedly provided with a star-shaped coupler, and the upper side of the inner wall of the star-shaped coupler is fixedly provided with a pull rod.

Further, the output shaft and the bearing sleeve are assembled through a meshing spline.

The beneficial effects of the utility model are as follows:

1. the speed regulating mechanism of the magnetic coupler adopts mechanical structure worm gear and worm transmission, and has simple and reliable operability.

2. The T-shaped thread structure is adopted in the worm gear, and the thread structure is utilized to convert the angle transmission into the axial transmission.

3. The worm wheel, the worm and the screw are made of 40Cr materials, so that the worm wheel, the worm and the screw are high in strength and good in wear resistance.

4. The speed regulating mechanism of the magnetic coupler adopts a worm gear and worm structure, and effectively changes the phenomena that a curve groove of the existing structure is difficult to process and the structure is blocked.

5. The speed regulating mechanism of the magnetic coupler adopts spline fit of the bearing sleeve and the output shaft, is simple and easy to process, runs stably and reliably, and greatly increases the transmission torque.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention.

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention.

The reference numerals include: 1. a first round nut, 2, a gasket, 3, an output shaft, 4, a bearing sleeve, 5, a magnetic disc assembly, 6, a fastening screw, 7, a speed regulation bearing gland, 8, a guide key, 9, a limit screw, 10, a worm wheel gland, 11, a first fixing screw, 12, a screw rod, 13, an output bearing seat, 14, a worm wheel, 15, a speed regulation bearing spacer II, 16, a wear-resistant sleeve, 17, a second fixing screw, 18, a second round nut, 19, a first stop washer, 20, a self-lubricating shaft sleeve, 21, a speed regulation bearing spacer I, 22, a temperature sensor, 23, a worm seat gland, 24, a third round nut, 25, a second stop washer, 26, a deep groove ball bearing, 27, a spacer, 28, a worm, 29, a common flat key, 30, an angular contact ball bearing, 31, a fastening bolt, 32, a small round nut, 33, a third stop washer, 34, a star-shaped coupler, 35, a bearing positioning sleeve, 36. angular contact bearing, 37, output component, 38, pull rod, 39, rotating shaft, 40 and key groove.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

Referring to fig. 1, 2 and 3, a magnetic coupler of a mechanical speed regulation mechanism comprises an output shaft 3, an output assembly 37, a disk assembly 5 and an output shaft bearing 13, wherein the output assembly 37 is assembled in the output shaft bearing 13, according to the description, fig. 1, a copper disk is installed on the outer side of a left end connecting part of the output shaft 3, a gap between the copper disk and the disk assembly 5 is an air gap, the disk assembly 5 is fixedly installed at the left end of the output assembly 37, the disk assembly 5 corresponds to the copper disk in position, the output shaft 3 is inserted and assembled in the output assembly 37, and a worm wheel gland 10 is fixedly installed on the left surface of the output shaft bearing 13 through a first fixing screw 11;

the output assembly 37 comprises a bearing sleeve 4, the bearing sleeve 4 is sleeved on the outer surface of the output shaft 3, a self-lubricating shaft sleeve 20 is inlaid on the right side of the inner surface of the bearing sleeve 4, the self-lubricating shaft sleeve 20 mainly plays a role in lubrication, an inner spigot of the magnetic disc assembly 5 is fixed at the left end of the bearing sleeve 4 through a fastening screw 6, the magnetic disc assembly 5 is installed on the bearing sleeve 4, angular contact bearings 36 are symmetrically assembled on the left and right of the outer surface of the bearing sleeve 4 to ensure that the structure of the bearing sleeve 4 and the screw rod 12 rotate relatively, a screw rod 12 is sleeved and assembled on the outer wall of the angular contact bearings 36, a guide key 8 is fixedly installed on the left side of the outer surface of the screw rod 12 through a limiting screw 9, a key groove 40 is formed in the upper side of the inner surface of the worm wheel gland 10, the guide key 8 is inserted into the key groove 40, the screw rod 12 cannot rotate in the worm wheel gland 10 through limitation of the guide key 8 and can only move along the axial direction, the worm wheel 14 is assembled between the output shaft bearing 13 and the worm wheel gland 10, the worm wheel gland 10 plays a role in positioning the position of the worm wheel 14, a T-shaped thread structure is formed in the inner surface of the worm wheel 14, the worm wheel 14 is screwed to the outer surface of the screw rod 12 through the T-shaped thread structure, therefore, when the worm wheel 14 rotates, the screw rod 12 is driven to move axially under the condition of the guide key 8, the worm 28 is assembled on the rear side of the inner cavity of the output shaft bearing 13 in an inserting mode, the worm 28 is meshed with the worm wheel 14, the worm wheel 14 is driven by rotating the worm 28, the screw rod 12 is driven to move axially, the magnetic disc assembly 5 is driven to move axially along the output shaft 3 finally, and the size of an air gap between the magnetic disc assembly 5 and a copper disc is adjusted.

Specifically, the screw 12, the worm wheel 14 and the worm 28 are all made of 40Cr materials, so that the strength is high and the wear resistance is good.

Specifically, the outer surface left side of output shaft 3 cup joints and is equipped with first round nut 1 and packing ring 2, and first round nut 1 and packing ring 2 are located between copper dish connection structure and the output subassembly 37, play limiting displacement to output subassembly 37, control the minimum distance of air gap at 5 mm.

Specifically, the outer side wall of the bearing sleeve 4 is sleeved with a speed regulation bearing spacer I21 and a speed regulation bearing spacer II15, the speed regulation bearing spacer I21 and the speed regulation bearing spacer II15 are located between the two angular contact bearings 36, the speed regulation bearing spacer I21 and the speed regulation bearing spacer II15 are respectively contacted with the inner walls of the inner ring and the outer ring of the two angular contact bearings 36, the outer surface of the right end of the bearing sleeve 4 is assembled with a second round nut 18 and a first stop washer 19, the left surface of the screw 12 is fixedly provided with a speed regulation bearing gland 7 through a screw, and the positioning effect on the angular contact bearings 36 is achieved.

Specifically, a wear-resistant sleeve 16 is fixedly mounted on the right side of the outer surface of the screw 12 through a second fixing screw 17, and plays a role in lubrication and wear resistance when the screw 12 slides in the output bearing base 13.

Specifically, the screw hole is seted up to the surface downside of output bearing seat 13, and the internal surface spiro union of screw hole is equipped with temperature sensor 22, and temperature sensor 22 is connected to external power supply through the wire, mainly is to the temperature detection of slide position, and high temperature when the temperature reaches 100 degrees reports to the police, makes equipment scram, realizes the protection to equipment.

Specifically, a rotating shaft 39 is vertically inserted and assembled at the rear side of an inner cavity of the output shaft bearing seat 13, a worm 28 is assembled on the outer surface of the rotating shaft 39 through a common flat key 29, a worm seat gland 23 is fixedly installed at the lower end of the output shaft bearing seat 13 through a third round nut 24 and a second stop washer 25, a deep groove ball bearing 26 is assembled on the upper surface of the worm seat gland 23, a spacer 27 is sleeved on the lower side of the outer surface of the rotating shaft 39, the spacer 27 is located between the deep groove ball bearing 26 and the worm 28, the worm seat gland 23 is matched with the spacer 27 to position the deep groove ball bearing 26, in addition, the spacer 27 is matched with a step of the rotating shaft 39 to limit the worm 28, a bearing positioning sleeve 35 is fixedly installed at the upper end of the output shaft 13 through a fastening bolt 31, an angular contact ball bearing 30 is assembled on the lower surface of the bearing positioning sleeve 35, a small round ball bearing seat nut 32 and a third stop washer 33 are sleeved and assembled on the upper side of the outer surface of the rotating shaft 39, and the third lock washer 33 is clung to the upper surface of the inner ring of the angular contact ball bearing 30, and is matched with the small round nut 32, the third lock washer 33 and the bearing locating sleeve 35 through the step of the rotating shaft 39 to realize the location of the angular contact ball bearing 30, the star-shaped coupler 34 is fixedly assembled at the upper end of the rotating shaft 39, the pull rod 38 is fixedly assembled at the upper side of the inner wall of the star-shaped coupler 34, the pull rod 38 is rotated by utilizing the execution equipment, and the rotating shaft 39 is driven to rotate after passing through the star-shaped coupler 34, so that the worm 28 is driven to rotate.

Particularly, the output shaft 3 and the bearing sleeve 4 are assembled through the meshed splines, the processing is simple and easy, the operation is stable and reliable, and the transmission torque is greatly increased.

The working principle is as follows: when this mechanical type speed adjusting mechanism magnetic coupling used, execution equipment drive pull rod 38 rotated, it is rotatory to drive worm 28 through star coupling 34, thereby it is rotatory to drive worm wheel 14, through the cooperation of the inside T type screw thread of worm wheel 14 and the external screw thread of screw rod 12, impel screw rod 12 at the inside axial motion that follows of output shaft bearing 13, and then drive the disk subassembly 5 simultaneous movement that connects through mechanical structure, adjust the size of air gap between disk subassembly 5 and the left side copper disc, finally realize the control to the rotational speed.

The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the utility model are therefore considered to be within the scope of the utility model.

Claims

1. A mechanical speed regulating mechanism magnetic coupling is characterized in that: the magnetic disc type motor comprises an output shaft (3), an output assembly (37), a magnetic disc assembly (5) and an output shaft bearing seat (13), wherein the output assembly (37) is assembled in the output bearing seat (13), the magnetic disc assembly (5) is fixedly installed at the left end of the output assembly (37), the output shaft (3) is assembled in the output assembly (37) in an inserting mode, and a worm wheel gland (10) is fixedly installed on the left surface of the output bearing seat (13) through a first fixing screw (11);

the output assembly (37) comprises a bearing sleeve (4), the bearing sleeve (4) is sleeved on the outer surface of the output shaft (3), a self-lubricating shaft sleeve (20) is inlaid on the right side of the inner surface of the bearing sleeve (4), an inner spigot of the magnetic disc assembly (5) is fixed at the left end of the bearing sleeve (4) through a fastening screw (6), angular contact bearings (36) are assembled on the left and right sides of the outer surface of the bearing sleeve (4) in a bilateral symmetry mode, a screw rod (12) is assembled on the outer wall of each angular contact bearing (36) in a sleeved mode, a guide key (8) is fixedly installed on the left side of the outer surface of the screw rod (12) through a limiting screw (9), a key groove (40) is formed in the upper side of the inner surface of the worm wheel gland (10), the guide key (8) is inserted into the key groove (40), a worm wheel (14) is assembled between the output bearing seat (13) and the worm wheel gland (10), and a T-shaped thread structure is formed in the inner surface of the worm wheel (14), the worm wheel (14) is screwed to the outer surface of the screw rod (12) through a T-shaped thread structure, the rear side of the inner cavity of the output bearing seat (13) is provided with a worm (28) in an inserting mode, and the worm (28) is meshed with the worm wheel (14).

2. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: the screw rod (12), the worm wheel (14) and the worm (28) are all made of 40Cr materials.

3. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: the left side of the outer surface of the output shaft (3) is sleeved with a first round nut (1) and a washer (2).

4. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: the lateral wall of bearing housing (4) has cup jointed speed governing bearing spacer I (21) and speed governing bearing spacer II (15), and speed governing bearing spacer I (21) and speed governing bearing spacer II (15) are located two between angular contact bearing (36), the right-hand member surface of bearing housing (4) is equipped with second round nut (18) and first lock washer (19), the left surface of screw rod (12) has speed governing bearing gland (7) through screw fixed mounting.

5. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: and a wear-resistant sleeve (16) is fixedly arranged on the right side of the outer surface of the screw rod (12) through a second fixing screw (17).

6. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: the outer surface downside of output bearing frame (13) is seted up threaded hole, and the internal surface spiro union of threaded hole is equipped with temperature sensor (22), temperature sensor (22) are connected to external power supply through the wire.

7. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: the rear side of an inner cavity of the output bearing seat (13) is vertically spliced and assembled with a rotating shaft (39), a worm (28) is assembled on the outer surface of the rotating shaft (39) through a common flat key (29), a worm seat pressing cover (23) is fixedly installed at the lower end of the output bearing seat (13) through a third round nut (24) and a second stop washer (25), a deep groove ball bearing (26) is assembled on the upper surface of the worm seat pressing cover (23), a spacer bush (27) is sleeved on the lower side of the outer surface of the rotating shaft (39), the spacer bush (27) is located between the deep groove ball bearing (26) and the worm (28), a bearing positioning bush (35) is fixedly installed at the upper end of the output bearing seat (13) through a fastening bolt (31), an angular contact ball bearing (30) is assembled on the lower surface of the bearing positioning bush (35), a small round nut (32) and a third stop washer (33) are sleeved and assembled on the upper side of the outer surface of the rotating shaft (39), and the third stop washer (33) is tightly attached to the upper surface of the inner ring of the angular contact ball bearing (30), the upper end of the rotating shaft (39) is fixedly provided with a star-shaped coupling (34), and the upper side of the inner wall of the star-shaped coupling (34) is fixedly provided with a pull rod (38).

8. A mechanical governor magnetic coupling as claimed in claim 1, characterized in that: the output shaft (3) and the bearing sleeve (4) are assembled through a meshing spline.