CN115263927A

CN115263927A - Main shaft lubricating structure for paddle type environment-friendly dryer

Info

Publication number: CN115263927A
Application number: CN202211187247.XA
Authority: CN
Inventors: 查当先; 查红星
Original assignee: Jiangsu Xingxing Drying Equipment Co ltd
Current assignee: Jiangsu Xingxing Drying Equipment Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-11-01
Anticipated expiration: 2042-09-28
Also published as: CN115263927B

Abstract

The invention discloses a main shaft lubricating structure for a blade type environment-friendly dryer, which comprises a base, wherein a lower bearing seat is welded at the top of the base, an upper bearing seat is movably connected at the top of the lower bearing seat, a ball bearing is movably connected at the middle part of the inner side of the lower bearing seat and the inner side of the upper bearing seat, sealing elements are arranged on two sides of the ball bearing, an inclined insertion block is arranged on the outer side of each sealing element, and two containing grooves which are distributed in a mirror image mode by taking a bearing installing groove as the center are arranged on the inner walls of the lower bearing seat and the upper bearing seat. By arranging the adjusting device, the invention can ensure that the normal lubrication of the ball bearing can be satisfied by directly spraying lubricating oil on the outer wall of the steel ball at the inner side of the ball bearing by the spray head under the normal state, and can spray lubricating oil on the inner wall of the outer ring of the ball bearing when the load is larger, thereby reducing the abrasion of the bearing.

Description

Main shaft lubricating structure for paddle type environment-friendly dryer

Technical Field

The invention relates to the technical field of lubricating structures, in particular to a main shaft lubricating structure for a paddle type environment-friendly dryer.

Background

The paddle type dryer is a low-speed stirring dryer which is provided with stirring paddles inside equipment, so that wet materials are fully contacted with a heat carrier and a hot surface under the stirring of the paddles, thereby achieving the drying purpose, and the structure form is generally horizontal. The main structure is that a hollow low-speed rotating main shaft is arranged in a shell with a jacket, a plurality of stirring blades are welded on the shaft, the jacket and the hollow stirring blades are communicated with a heat carrier, two heating surfaces simultaneously heat materials, and the drying machine is mainly used for drying products such as plastics, resin products, inorganic medicines, fertilizers, feeds, foods, chemical fibers, dyes, starch, sewage sludge and the like.

When the paddle type dryer dries sludge, paste and pulpous substances, the resistance of the paddle during operation is large, so that the bearing is greatly loaded and stressed unevenly, the part, which is in contact with the ball, on the inner side of the outer ring of the bearing is difficult to contact lubricating oil, particularly under large pressure, the ball extrudes the lubricating oil, the friction between the ball inside the bearing and the bearing body is increased, the bearing is abraded for a long time, even the abrasion of a main shaft is caused, the service life of the device is shortened, and the power consumption during operation is increased.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a main shaft lubricating structure for a blade type environment-friendly dryer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a main shaft lubricating structure for paddle formula environmental protection desiccator, includes the base, the welding of the top of base has the step, the top swing joint of step has the bolster bearing housing, the inboard middle part swing joint of step, bolster bearing housing has ball bearing, ball bearing's both sides all are provided with the sealing member, oblique inserted block has been seted up in the outside of sealing member, two accepting grooves that use bearing mounting groove as central mirror image distribution have been seted up to the inner wall of step, the chute has been seted up to the inboard of accepting groove, the outer wall of oblique inserted block and the inner wall sliding connection of chute, the top fixedly connected with of bearing mounting groove has two oil pipes that use ball bearing as central symmetric distribution, the lower extreme of oil pipe passes the bolster and extends to the inside of accepting groove, the lower extreme swing joint of oil pipe has the shower nozzle, the bottom fixed mounting of oil pipe has the adjusting device to the shower nozzle angle modulation, adjusting device's one end and the outer wall of sealing member are inconsistent, the inside of step has seted up and has led the oil groove, the upper end of leading oil groove is linked together with the inside of accepting groove.

In the spindle lubricating structure for the paddle type environment-friendly dryer, the outer walls of the two sides of the bottom of the oil guide pipe are fixedly connected with the mounting plate, the outer wall of the spray head is rotatably connected with one end, away from the oil guide pipe, of the mounting plate, one end of the spray head is fixedly connected with the communicating pipe, and the inside of the spray head is communicated with the inside of the oil guide pipe through the communicating pipe.

In foretell main shaft lubricating structure for paddle formula environmental protection desiccator, adjusting device includes the locating plate, the upper end of locating plate and the lower extreme fixed connection of oil pipe, the inner wall sliding connection of locating plate has the slide bar, the bottom fixedly connected with driving plate of shower nozzle, waist shape hole has been seted up to the outer wall of driving plate, the one end fixedly connected with slider of slide bar, the outer wall of slider and the inner wall sliding connection in waist shape hole, the first separation blade of one end fixedly connected with of slider is kept away from to the slide bar, the spring has been cup jointed to the outside of slide bar, the both ends of spring contact with locating plate, first separation blade respectively, the outer wall fixedly connected with of slide bar is to the spacing second separation blade of slide bar.

In the spindle lubricating structure for the blade type environment-friendly dryer, the inner side of the sealing element is fixedly connected with the retainer, and the interior of the retainer is movably connected with the plurality of small balls.

In the main shaft lubricating structure for the blade type environment-friendly dryer, the middle parts of the inner walls of the lower bearing seat and the upper bearing seat are provided with bearing mounting grooves, the ball bearings are located inside the bearing mounting grooves, a buffer ring is arranged between the bearing mounting grooves and the ball bearings, and the outer wall of the buffer ring is fixedly connected with the inner walls of the bearing mounting grooves.

In the main shaft lubricating structure for the blade type environment-friendly dryer, a plurality of arc-shaped protruding blocks are fixedly connected to the joint of the lower bearing block and the upper bearing block, a plurality of arc-shaped grooves are formed in the joint of the upper bearing block and the lower bearing block, an elastic sealing layer is fixedly connected to the outer wall of the top of the lower bearing block, and the inner wall of each arc-shaped groove is movably connected with the outer wall of the elastic sealing layer.

In the main shaft lubricating structure for the blade type environment-friendly dryer, the mounting lugs are welded on the outer walls of the two sides of the lower bearing seat and the upper bearing seat, the bottom of the mounting lug on the outer side of the upper bearing seat is fixedly connected with the backing ring, the mounting lugs are movably connected inside with bolts, and the mounting lugs distributed up and down are connected together through the arranged bolts.

In foretell main shaft lubricating structure for paddle formula environmental protection desiccator, the top fixedly connected with of bolster bearing housing advances oil pipe way, the upper end of oil pipe is linked together with advancing oil pipe's inside, the bottom fixedly connected with of step down arranges oil pipe, the lower extreme that leads the oil groove is linked together with arranging oil pipe's inside, arrange oil pipe's one end and pass the outside that the base extends to the base.

Compared with the prior art, the main shaft lubricating structure for the paddle type environment-friendly dryer has the advantages that:

1. when the main shaft has larger running resistance, the main shaft presses the ball bearing and the sealing element, and the pressed sealing element slides along the inclined groove to prop against the adjusting device, so that the angle of the spray head is changed under the driving of the adjusting device, the lubricating oil sprayed by the spray head is enabled to be sprayed to the inner side of the outer ring of the ball bearing and is not directly sprayed to the outer wall of the steel ball in the ball bearing, the lubricating oil on the inner side of the outer ring of the ball bearing can be effectively supplemented, the abrasion between the steel ball and the bearing is reduced, and the service life of the device is prolonged;

2. when the sealing element pushes the sliding rod, the inclined insertion block can slide on the inner wall of the positioning plate, the spray head is jacked up through the containing groove, the angle of the spray head deflects upwards, the spray angle of the spray head is changed when the pressure changes, the lubricating effect is improved, and the abrasion is reduced;

3. the arrangement of the arc-shaped convex block and the arc-shaped groove increases the path through which the lubricating oil flows out, so that the leakage prevention effect is achieved, and the leakage of the lubricating oil can be further prevented by matching with the use of the elastic sealing layer;

4. lubricating oil is fed from the oil inlet pipeline and sprayed to the ball bearing, then the lubricating oil flows to the inner side of the lower bearing seat along the ball bearing, flows out from the oil discharge pipeline through the oil guide groove and is sucked by the circulating oil pump, the lubricating oil is circularly sprayed in the way, and when the lubricating oil flows, part of heat generated by rotation of the ball bearing can be taken away, so that a certain heat dissipation effect is achieved;

in summary, by arranging the adjusting device, the nozzle directly sprays the lubricating oil on the outer wall of the steel ball at the inner side of the ball bearing under a normal state to meet the normal lubricating use of the ball bearing, and when the load is large, the lubricating oil is sprayed on the inner wall of the outer ring of the ball bearing, so that the abrasion of the bearing is reduced.

Drawings

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

FIG. 2 is a perspective view of the present invention in another direction;

FIG. 3 is a schematic cross-sectional structural view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the adjusting device of the present invention;

FIG. 5 is a perspective view of the seal of the present invention;

FIG. 6 is a schematic view of the seal of the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 3 at C of the present invention;

FIG. 8 is an enlarged schematic view of the structure at B in FIG. 3 according to the present invention;

FIG. 9 is an enlarged schematic view of the structure at A in FIG. 2 of the present invention;

fig. 10 is an enlarged view of the structure of fig. 3 according to the present invention.

In the figure: 1. a base; 2. a lower bearing seat; 3. an upper bearing seat; 4. a ball bearing; 5. an oil inlet pipeline; 6. an oil discharge pipe; 7. a bearing mounting groove; 8. an accommodating groove; 9. a seal member; 10. obliquely inserting the blocks; 11. a cage; 12. a chute; 13. a spray head; 14. an oil conduit; 15. an oil guide groove; 16. mounting a plate; 17. a communicating pipe; 18. a drive plate; 19. a waist-shaped hole; 20. a slide bar; 21. positioning a plate; 22. a spring; 23. a first baffle plate; 24. a second baffle plate; 25. a small ball; 26. a cushion ring; 27. an arc-shaped bump; 28. an arc-shaped groove; 29. an elastic sealing layer; 30. mounting lugs; 31. a backing ring; 32. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1 to 10, a main shaft lubricating structure for a paddle type environment-friendly dryer includes a base 1, a lower bearing pedestal 2 is welded on the top of the base 1, an upper bearing pedestal 3 is movably connected on the top of the lower bearing pedestal 2, a ball bearing 4 is movably connected in the middle of the inner sides of the lower bearing pedestal 2 and the upper bearing pedestal 3, sealing members 9 are respectively disposed on two sides of the ball bearing 4, an inclined insert block 10 is disposed on the outer side of each sealing member 9, two accommodating grooves 8 which are distributed in a mirror image manner with a bearing mounting groove 7 as a center are disposed on the inner walls of the lower bearing pedestal 2 and the upper bearing pedestal 3, an inclined groove 12 is disposed on the inner side of each accommodating groove 8, the outer wall of each inclined insert block 10 is slidably connected with the inner wall of each inclined groove 12, two oil guide pipes 14 which are symmetrically distributed with the bearing 4 as a center are fixedly connected on the top of each bearing mounting groove 7, the lower ends of the oil guide pipes 14 penetrate through the upper bearing pedestal 3 and extend into the accommodating grooves 8, a spray nozzle 13 is movably connected with the lower ends of the oil guide pipes 14, an adjusting device for adjusting the angle of the spray nozzle 13 is fixedly mounted at the bottom of the oil guide pipes 14, one end of each adjusting device is abutted against the outer wall of the sealing member 9, an oil guide groove 15 is disposed in the lower bearing pedestal 2, and the inner portion of the accommodating groove 8 is communicated with the inner portion of the oil guide groove 8.

In this embodiment: mainly to with long-term use to the paddle dryer that high stickness or resistance is great when the stirring, can show the wearing and tearing that reduce bearing and main shaft, make the lubrication even, when using, with whole device assembly, and install the main shaft in ball bearing 4's inside, when main shaft running resistance is great, ball bearing 4 and sealing member 9 will be oppressed, and the outside fixedly connected with oblique inserted block 10 of sealing member 9, and the inboard of accepting groove 8 is equipped with chute 12, just also make oppressed sealing member 9 will slide along chute 12, thereby withstand adjusting device, thereby make the angle of shower nozzle 13 change under adjusting device's drive, make shower nozzle 13 spun lubricating oil spout to the inboard of ball bearing 4 outer lane, on the outer wall of the inside steel ball of ball bearing 4, thereby can supply the inboard lubricating oil of ball bearing 4 outer lane effectively, and then reduce the wearing and tearing between steel ball and the bearing, and then improved the life of device, the operation that the device has guaranteed to stabilize smoothly.

Wherein, the equal fixedly connected with mounting panel 16 of both sides outer wall of oil pipe 14 bottom, the outer wall of shower nozzle 13 is rotated with the one end that mounting panel 16 kept away from oil pipe 14 and is connected, and the one end fixedly connected with communicating pipe 17 of shower nozzle 13, the inside of shower nozzle 13 is linked together through communicating pipe 17 that sets up and oil pipe 14's inside.

In this embodiment: the oil guide pipe 14 supplies oil to the spray head 13 through the communicating pipe 17, the spray head 13 can rotate along the mounting plate 16, under a normal state, the spray head 13 can directly spray lubricating oil on the outer wall of the steel ball on the inner side of the ball bearing 4 to meet the normal lubricating use of the ball bearing 4, when the load is large, the lubricating oil can be sprayed on the inner wall of the outer ring of the ball bearing 4, and then the abrasion of the bearing is reduced.

Wherein, adjusting device includes locating plate 21, the upper end of locating plate 21 and the lower extreme fixed connection of oil pipe 14, the inner wall sliding connection of locating plate 21 has slide bar 20, the bottom fixedly connected with driving plate 18 of shower nozzle 13, waist shape hole 19 has been seted up to the outer wall of driving plate 18, the one end fixedly connected with slider of slide bar 20, the outer wall of slider and the inner wall sliding connection in waist shape hole 19, the first separation blade 23 of one end fixedly connected with of slider is kept away from to slide bar 20, spring 22 has been cup jointed to slide bar 20's outside, spring 22's both ends respectively with locating plate 21, first separation blade 23 contacts, slide bar 20's outer wall fixedly connected with is to the spacing second separation blade 24 of slide bar 20.

In this embodiment: when the sealing member 9 pushes the sliding rod 20, the inclined insertion block 10 slides on the inner wall of the positioning plate 21, the spray head 13 is pushed up through the accommodating groove 8, the angle of the spray head 13 is deflected upwards, and the spray angle of the spray head 13 is changed when the pressure changes.

Wherein, the inner side of the sealing element 9 is fixedly connected with a retainer 11, and the inner part of the retainer 11 is movably connected with a plurality of small balls 25.

In this embodiment: the small balls 25 serve as lubrication, and the friction with the main shaft is reduced.

Wherein, the bearing mounting groove 7 has been seted up at the middle part of

lower bearing frame

2, 3 inner walls of bolster bearing housing, and ball bearing 4 is located the inside of bearing mounting groove 7, is provided with buffer ring 26 between bearing mounting groove 7 and the ball bearing 4, and buffer ring 26's outer wall and the inner wall fixed connection of bearing mounting groove 7.

In this embodiment: the arrangement of the buffer ring 26 can deform when the main shaft is under a high pressure, so that the main shaft can deviate by a certain amount and has a buffer effect, thereby avoiding rigid extrusion of the main shaft and the bearing and further prolonging the service life of the device.

Wherein, the junction fixedly connected with a plurality of arc lug 27 of bottom suspension 2 and bolster bearing housing 3, a plurality of arc recess 28 has been seted up with the junction of bottom suspension 3 and bottom suspension 2, and the outer wall fixed connection elastic sealing layer 29 at bottom suspension 2 top, the inner wall of arc recess 28 and elastic sealing layer 29's outer wall swing joint.

In this embodiment: the provision of the arc-shaped projection 27 and the arc-shaped groove 28 increases the path through which the lubricating oil flows out, thereby serving as a leakage prevention function, and in cooperation with the use of the elastic sealing layer 29, the leakage of the lubricating oil can be further prevented.

Wherein, the outer walls of both sides of lower bearing frame 2, bolster bearing housing 3 have all welded installation ear 30, and the installation ear 30 bottom fixedly connected with backing ring 31 of the bolster bearing housing 3 outside, the inside swing joint of installation ear 30 has bolt 32, and the installation ear 30 that distributes from top to bottom links together through the bolt 32 that sets up.

In this embodiment: the mounting between the lower bearing support 2 and the upper bearing support 3 is realized through bolts 32.

Wherein, the top fixedly connected with of bolster bearing housing 3 advances oil pipe 5, and the upper end of oil pipe 14 is linked together with advancing the inside of oil pipe 5, and the bottom fixedly connected with of step bearing 2 arranges oil pipe 6, and the lower extreme of leading oil groove 15 is linked together with arranging oil pipe 6's inside, and the one end of arranging oil pipe 6 passes base 1 and extends to the outside of base 1.

In this embodiment: when the device is used, a circulating oil pump is arranged outside the device, lubricating oil is fed into the oil inlet pipeline 5 by the oil pump and sprayed to the ball bearing 4, then the lubricating oil flows to the inner side of the lower bearing seat 2 along the ball bearing 4 and flows out from the oil discharge pipeline 6 through the oil guide groove 15, and then the lubricating oil is sucked by the circulating oil pump, so that the lubricating oil is circularly sprayed, and heat generated by rotation of a part of the ball bearing 4 can be taken away when the lubricating oil flows.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a main shaft lubricating structure for paddle formula environmental protection desiccator, includes base (1), its characterized in that: the top of the base (1) is welded with a lower bearing seat (2), the top of the lower bearing seat (2) is movably connected with an upper bearing seat (3), the middle parts of the inner sides of the lower bearing seat (2) and the upper bearing seat (3) are movably connected with a ball bearing (4), sealing elements (9) are arranged on two sides of each ball bearing (4), an inclined insert block (10) is arranged on the outer side of each sealing element (9), two containing grooves (8) which are distributed by taking a bearing mounting groove (7) as a central mirror image are arranged on the inner walls of the lower bearing seat (2) and the upper bearing seat (3), a chute (12) is arranged on the inner side of each containing groove (8), the outer wall of each inclined insert block (10) is slidably connected with the inner wall of the chute (12), two oil guide pipes (14) which are distributed by taking the ball bearings (4) as a central mirror image are fixedly connected with the top of each bearing mounting groove (7), the lower ends of the oil guide pipes (14) penetrate through the upper bearing seat (3) and extend into the containing grooves (8), the lower ends of the oil guide pipes (14) are connected with movable nozzles (13), the bottom of the oil guide pipes (14) is fixedly mounted with an adjusting device, and the inner end of the adjusting device (15) which is abutted against the outer wall of the lower bearing seat (9) is arranged on the lower bearing seat (2), the upper end of the oil guide groove (15) is communicated with the interior of the containing groove (8).

2. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: the equal fixedly connected with mounting panel (16) of both sides outer wall of oil pipe (14) bottom, the outer wall of shower nozzle (13) is rotated with the one end that oil pipe (14) were kept away from in mounting panel (16) and is connected, the one end fixedly connected with communicating pipe (17) of shower nozzle (13), the inside of shower nozzle (13) is linked together through the inside of communicating pipe (17) and oil pipe (14) that sets up.

3. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: adjusting device includes locating plate (21), the lower extreme fixed connection of the upper end of locating plate (21) and oil pipe (14), the inner wall sliding connection of locating plate (21) has slide bar (20), the bottom fixedly connected with driving plate (18) of shower nozzle (13), waist shape hole (19) have been seted up to the outer wall of driving plate (18), the one end fixedly connected with slider of slide bar (20), the outer wall of slider and the inner wall sliding connection in waist shape hole (19), the first separation blade of one end fixedly connected with (23) of slider is kept away from in slide bar (20), spring (22) have been cup jointed to the outside of slide bar (20), the both ends of spring (22) contact with locating plate (21), first separation blade (23) respectively, the outer wall fixedly connected with of slide bar (20) is to slide bar (20) spacing second separation blade (24).

4. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: the inner side of the sealing element (9) is fixedly connected with a retainer (11), and a plurality of small balls (25) are movably connected inside the retainer (11).

5. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: bearing mounting groove (7) have been seted up at the middle part of lower bearing frame (2), bolster bearing housing (3) inner wall, ball bearing (4) are located the inside of bearing mounting groove (7), be provided with between bearing mounting groove (7) and ball bearing (4) cushion ring (26), the outer wall of cushion ring (26) and the inner wall fixed connection of bearing mounting groove (7).

6. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: the connecting part of the lower bearing seat (2) and the upper bearing seat (3) is fixedly connected with a plurality of arc-shaped protruding blocks (27), the connecting part of the upper bearing seat (3) and the lower bearing seat (2) is provided with a plurality of arc-shaped grooves (28), the outer wall of the top part of the lower bearing seat (2) is fixedly connected with an elastic sealing layer (29), and the inner wall of each arc-shaped groove (28) is movably connected with the outer wall of the elastic sealing layer (29).

7. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: the mounting lug (30) are welded on the outer walls of the two sides of the lower bearing seat (2) and the upper bearing seat (3), a backing ring (31) is fixedly connected to the bottom of the mounting lug (30) on the outer side of the upper bearing seat (3), a bolt (32) is movably connected to the inside of the mounting lug (30), and the mounting lugs (30) distributed up and down are connected together through the bolt (32).

8. The main shaft lubricating structure for the blade type environment-friendly dryer according to claim 1, characterized in that: the oil drain device is characterized in that an oil inlet pipeline (5) is fixedly connected to the top of the upper bearing seat (3), the upper end of the oil guide pipe (14) is communicated with the inside of the oil inlet pipeline (5), an oil drain pipeline (6) is fixedly connected to the bottom of the lower bearing seat (2), the lower end of the oil guide groove (15) is communicated with the inside of the oil drain pipeline (6), and one end of the oil drain pipeline (6) penetrates through the base (1) and extends to the outside of the base (1).