CN108609357B

CN108609357B - Damping fixing device and method of grain conveyor

Info

Publication number: CN108609357B
Application number: CN201810415280.0A
Authority: CN
Inventors: 张秀好; 权良阔
Original assignee: Hefei Jingu Grain Machinery Equipment Co ltd
Current assignee: Hefei Jingu Grain Machinery Equipment Co ltd
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2020-04-10
Anticipated expiration: 2038-05-03
Also published as: CN108609357A

Abstract

The invention discloses a damping fixing device and method of a grain conveyor, and the damping fixing device comprises a fixing base and a damping platform, wherein the damping platform comprises an upper plate, a lower plate and a rotating shaft damping device arranged on one side of the upper plate, the bottom of the lower plate is provided with the fixing base, the fixing base comprises a positioning bottom plate, an upright post sleeve, an upright post and a fixing plate, the middle part of the rotating shaft damping device is provided with a through hole, and a positioning bearing is arranged inside the through hole. The output shaft of the motor penetrates through the through hole formed in the surface of the rotating shaft damping device, the positioning bearing sleeved with the output shaft of the motor is arranged in the through hole, the positioning bearing can move up and down and left and right in the through hole, but under the action of the third compression springs, the positioning bearing moves up and down and left and right, and always has an opposite elastic force, so that the vibration amplitude of the output shaft of the motor is smaller.

Description

Damping fixing device and method of grain conveyor

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a damping fixing device and method of a grain conveyor.

Background

In the grain processing process, the grain conveyor is often required to be used for conveying the grain, the principle of the grain conveyor is simpler, the rotation of the motor drives the carrier roller to rotate, the rotation of the carrier roller is utilized to drive the transmission belt wound on the surface to rotate, and in the process of conveying grains by the grain conveyor, the equipment can generate larger shake, the main cause of the shake is from the vibration of the motor, the vibration of the motor comprises the vibration of the motor and the vibration of the output rotating shaft, the vibration of the output rotating shaft is mainly caused by the clearance between the electric inner rotor and the stator, if the vibration amplitude of the motor is too large, not only can larger noise be generated, but also the service life of the motor, the carrier roller set and the transmission belt can be influenced, therefore, the improvement is made, and the damping fixing device and the damping fixing method for the grain conveyor are provided.

Disclosure of Invention

In order to overcome the defects of obvious vibration of a conveyor and shortened service life of equipment caused by the vibration in the prior art, the invention provides a damping fixing device and a damping fixing method for a grain conveyor.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a damping and fixing device of a grain conveyor, which comprises a fixed base and a damping platform, wherein the damping platform comprises an upper layer plate, a lower layer plate and a rotating shaft damping device arranged on one side of the upper layer plate, the bottom of the lower layer plate is provided with the fixed base, the fixed base comprises a positioning bottom plate, an upright post sleeve, an upright post and a fixed plate, the top end of the positioning bottom plate is welded and fixed with the bottom end of the upright post sleeve, the upright post sleeve is matched with the upright post, a plurality of gaskets and a first compression spring are arranged between the upright post sleeve and the upright post, the top end of the upright post is fixedly connected with the bottom end of the lower layer plate through the fixed plate, the middle part of the top end of the lower layer plate is fixedly provided with a main positioning sleeve, four corners of the top end of the lower layer plate are fixedly provided with four auxiliary positioning, the four corners of top plate bottom is all fixed be provided with assist the reference column of position sleeve assorted assistance, assist the inside of position sleeve and be provided with second compression spring, the through-hole has been seted up at pivot damping device's middle part, the inside of through-hole is provided with the location bearing, location bearing and through-hole clearance fit, four recesses, four have been seted up to the equidistance all around of through-hole the middle part of recess inner wall is provided with the snap ring, location bearing's surface equidistance is provided with four stop bolts, stop bolt arranges corresponding recess in respectively, and stop bolt's one end all passes the snap ring, stop bolt's outside cover is equipped with third compression spring, third compression spring arranges in the recess between snap ring and the location bearing.

Further, the bottom of the upright post sleeve and the top of the upright post are fixedly welded with a first triangular reinforcing rib and a second triangular reinforcing rib respectively, the bottom end of the first triangular reinforcing rib is welded and fixed with the positioning bottom plate, and the top of the second triangular reinforcing rib is welded and fixed with the fixing plate.

Furthermore, four motor fixing blocks are symmetrically arranged at the top of the upper plate, and positioning screw holes are formed in the side faces of the motor fixing blocks.

A damping and fixing method of a grain conveyor sequentially comprises the following steps:

s1: installing a motor of the grain conveyor on a damping platform;

s2: the fixed base is arranged at the bottom of the damping platform through the fixed plate;

s3; the height of the fixed base is adjusted.

Further, in the step S1, the output shaft of the motor is first inserted through the through hole on the surface of the rotating shaft damping device, and then the screw is inserted through the positioning screw hole on the side surface of the motor fixing block to fix the motor.

Further, in the step S2, fixing screw holes are formed at four corners of the fixing plate, and the fixing plate is connected with the damping platform through screws.

Further, in the step S3, a plurality of spacers and a first compression spring are placed inside the pillar sleeve, the pillar is inserted into the pillar sleeve, the height of the motor is checked, and corresponding spacers are added or removed according to the height position of the motor.

Compared with the prior art, the invention has the following beneficial effects:

1. the motor is fixed through the damping platform, the bottom of the damping platform is provided with a plurality of compression springs, and the elasticity of the compression springs is utilized to offset partial shaking, so that the vibration of the motor is reduced.

2. When the damping fixing device is installed, the output shaft of the motor penetrates through the through hole formed in the surface of the rotating shaft damping device, the positioning bearing sleeved with the output shaft of the motor is arranged in the through hole, the positioning bearing can move up and down, left and right in the through hole, and under the action of the third compression springs, the positioning bearing moves in four directions, namely up, down, left and right, always has opposite elasticity and smaller vibration amplitude of the output shaft of the motor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the stationary base structure of the present invention;

FIG. 3 is an exploded view of the shock absorbing platform construction of the present invention;

FIG. 4 is an isometric view of the interior of the spindle damping device of the present invention;

fig. 5 is an internal plan view of the shock absorbing device for a rotation shaft of the present invention.

In the figure: 1. a fixed base; 2. a shock absorbing platform; 3. a first compression spring; 4. an upper plate; 5. a lower layer plate; 6. a rotating shaft damping device; 7. positioning the bottom plate; 8. an upright column sleeve; 9. a column; 10. a fixing plate; 11. a primary locating sleeve; 12. an auxiliary positioning sleeve; 13. a main positioning column; 14. an auxiliary positioning column; 15. a second compression spring; 16. a through hole; 17. positioning the bearing; 18. a groove; 19. a snap ring; 20. a limit bolt; 21. a third compression spring; 22. a first triangular reinforcing rib; 23. a second triangular reinforcing rib; 24. a motor fixing block; 25. positioning the screw hole; 26. and (7) a gasket.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in figures 1-5, a damping fixing device of a grain conveyor comprises a fixed base 1 and a damping platform 2, the damping platform 2 comprises an upper plate 4, a lower plate 5 and a rotating shaft damping device 6 arranged on one side of the upper plate 4, the bottom of the lower plate 5 is provided with the fixed base 1, the fixed base 1 comprises a positioning bottom plate 7, a column sleeve 8, a column 9 and a fixing plate 10, the top end of the positioning bottom plate 7 is welded and fixed with the bottom end of the column sleeve 8, the column sleeve 8 is arranged in match with the column 9, a plurality of gaskets 26 and a first compression spring 3 are arranged between the column sleeve 8 and the column 9, the top end of the column 9 is fixedly connected with the bottom end of the lower plate 5 through the fixing plate 10, the middle part of the top end of the lower plate 5 is fixedly provided with a main positioning sleeve 11, four corners of the top end of the lower plate 5 are fixedly provided with four auxiliary positioning sleeves 12, the middle part of the bottom end of the, four corners of 4 bottoms of upper plate are all fixed be provided with assist the reference column 14 of assistance of auxiliary positioning sleeve 12 assorted, the inside of assisting positioning sleeve 12 is provided with second compression spring 15, through-hole 16 has been seted up at pivot damping device 6's middle part, the inside of through-hole 16 is provided with location bearing 17, location bearing 17 and 16 clearance fit of through-hole, four recesses 18 have been seted up to the equidistance all around of through-hole 16, the middle part of four recess 18 inner walls is provided with snap ring 19, location bearing 17's surperficial equidistance is provided with four stop bolt 20, stop bolt 20 is arranged in corresponding recess 18 respectively, and stop bolt 20's one end all passes snap ring 19, stop bolt 20's outside cover is equipped with third compression spring 21, third compression spring 21 is arranged in recess 18 between snap ring.

Wherein, stand sleeve 8's bottom is around and stand 9's top is around respectively fixed welding have first triangle strengthening rib 22 and second triangle strengthening rib 23, the bottom and the 7 welded fastening of PMKD of first triangle strengthening rib 22, the top and the fixed plate 10 welded fastening of second triangle strengthening rib 23, through the structural strength of first triangle strengthening rib 22 and the 23 reinforcing unable adjustment base of second triangle strengthening rib, guarantee when the high-speed operation of motor, unable adjustment base provides steady support for 1 for shock attenuation platform 2.

Wherein, the top symmetry of upper plate 4 is provided with four motor fixed blocks 24, and location screw 25 has all been seted up to the side of motor fixed block 24, places the motor to the position between four motor fixed blocks 24, conveniently fixes the motor fuselage through the location screw 25 that four motor fixed blocks 24 and side were seted up.

s1: installing a motor of the grain conveyor on the damping platform 2;

s2: the fixed base 1 is arranged at the bottom of the damping platform 2 through a fixed plate 10;

s3; the height of the fixed base 1 is adjusted.

In step S1, the output shaft of the motor is first inserted through the through hole 16 on the surface of the rotating shaft damping device 6, and then the motor is fixed by passing a screw through the positioning screw hole 25 on the side surface of the motor fixing block 24.

In the step S2, fixing screw holes are formed at four corners of the fixing plate 10, and the fixing plate is connected to the damping platform 2 by screws.

In step S3, the plurality of spacers 26 and the first compression spring 3 are placed inside the pillar sleeve 8, the pillar 9 is inserted into the pillar sleeve 8, the height of the motor is checked, and the corresponding spacers 26 are added or removed according to the height position of the motor.

It should be noted that, the invention is a damping fixing device and method of a grain conveyor, when in specific work, a motor for the grain conveyor is placed on a damping platform 2, and an output shaft of the motor passes through a through hole 16 arranged on the surface of a rotating shaft damping device 6, a positioning bearing 17 is arranged inside the through hole 16, and is fixed with the output shaft of the motor through the positioning bearing 17, the through hole 16 is provided with a groove 18 in four directions of up, down, left and right, the middle part of the groove 18 is provided with a snap ring 19, the positioning bearing 17 is provided with a limit bolt 20 in four directions of up, down, left and right, the limit bolt 20 passes through the snap ring 19, a third compression spring 21 is arranged between the snap ring 19 and the positioning bearing 17, when the positioning bearing 17 in the rotating shaft damping device 6 moves due to the shake of the output shaft of the motor, the compressed third compression spring 21 can apply a reaction force to the positioning, the vibration damping device is characterized in that the vibration damping device is restored to the original position, the vibration amplitude of an output shaft of a motor is reduced by applying the restoring force of a spring, so that the vibration of equipment is reduced, a motor body part is fixed to the top of an upper plate 4 through a motor fixing block 24, a lower plate 5 is arranged at the bottom of the upper plate 4, a damping group consisting of an auxiliary positioning column 14, an auxiliary positioning sleeve 12 and a second compression spring 15 is arranged between the upper plate 4 and the lower plate 5, when the motor runs, the vibration generated by the motor is absorbed by the second compression spring 15, so that the vibration amplitude of the motor is reduced, a fixing base 1 is arranged at the bottom of a damping platform 2, the fixing base 1 is mainly used for fixing the damping platform 2 and adjusting the height of the damping platform 2, during operation, different numbers of gaskets 26 are arranged in a stand column sleeve 8 for adjustment, and a first compression spring 3 is also arranged between the stand column sleeve 8 and, further damping is provided by the elasticity of the first compression spring 3.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A damping fixing device of a grain conveyor comprises a fixing base (1) and a damping platform (2), and is characterized in that the damping platform (2) comprises an upper plate (4), a lower plate (5) and a rotating shaft damping device (6) arranged on one side of the upper plate (4), the fixing base (1) is arranged at the bottom of the lower plate (5), the fixing base (1) comprises a positioning bottom plate (7), a stand column sleeve (8), a stand column (9) and a fixing plate (10), the top end of the positioning bottom plate (7) is welded and fixed with the bottom end of the stand column sleeve (8), the stand column sleeve (8) is matched with the stand column (9), a plurality of gaskets (26) and a first compression spring (3) are arranged between the stand column sleeve (8) and the stand column (9), the top end of the stand column (9) is fixedly connected with the bottom end of the lower plate (5) through the fixing plate (10), the middle part of the top end of the lower layer plate (5) is fixedly provided with a main positioning sleeve (11), four corners of the top end of the lower layer plate (5) are respectively fixedly provided with four auxiliary positioning sleeves (12), the middle part of the bottom end of the upper layer plate (4) is provided with a main positioning column (13) matched with the main positioning sleeve (11), four corners of the bottom end of the upper layer plate (4) are respectively fixedly provided with an auxiliary positioning column (14) matched with the auxiliary positioning sleeve (12), the inside of the auxiliary positioning sleeve (12) is provided with a second compression spring (15), the middle part of the rotating shaft damping device (6) is provided with a through hole (16), the inside of the through hole (16) is provided with a positioning bearing (17), the positioning bearing (17) is in clearance fit with the through hole (16), four grooves (18) are formed in the periphery of the through hole (16) at equal intervals, and clamping rings (, the surperficial equidistance of positioning bearing (17) is provided with four stop bolt (20), stop bolt (20) are arranged in corresponding recess (18) respectively, and the one end of stop bolt (20) all passes snap ring (19), the outside cover of stop bolt (20) is equipped with third compression spring (21), recess (18) between snap ring (19) and positioning bearing (17) are arranged in to third compression spring (21).

2. The damping fixing device of the grain conveyor as claimed in claim 1, wherein a first triangular reinforcing rib (22) and a second triangular reinforcing rib (23) are fixedly welded around the bottom of the upright post sleeve (8) and around the top of the upright post (9) respectively, the bottom end of the first triangular reinforcing rib (22) is welded and fixed with the positioning bottom plate (7), and the top of the second triangular reinforcing rib (23) is welded and fixed with the fixing plate (10).

3. The damping fixing device of the grain conveyor as claimed in claim 1, wherein four motor fixing blocks (24) are symmetrically arranged at the top of the upper plate (4), and positioning screw holes (25) are formed in the side surfaces of the motor fixing blocks (24).

4. The vibration-damping fixing method for the vibration-damping fixing device of the grain conveyor according to claim 1, characterized in that the following steps are sequentially performed:

s1: mounting a motor of the grain conveyor on a damping platform (2);

s2: the fixed base (1) is arranged at the bottom of the damping platform (2) through a fixed plate (10);

s3; the height of the fixed base (1) is adjusted.

5. The shock-absorbing fixing method according to claim 4, wherein in the step S1, the output shaft of the motor is first inserted through the through hole (16) on the surface of the rotating shaft shock-absorbing device (6), and then the motor is fixed by passing a screw through the positioning screw hole (25) on the side of the motor fixing block (24).

6. The shock-absorbing fixing method according to claim 4, wherein in the step S2, fixing screw holes are formed at four corners of the fixing plate (10), and the fixing plate is connected with the shock-absorbing platform (2) through screws.

7. The shock-absorbing fixing method according to claim 4, wherein in the step S3, a plurality of spacers (26) and the first compression spring (3) are placed inside the column sleeve (8), then the column (9) is inserted into the column sleeve (8), the height of the motor is checked, and the corresponding spacers (26) are added or removed according to the height position of the motor.