CN215950322U

CN215950322U - Special gear box of potato harvester

Info

Publication number: CN215950322U
Application number: CN202122174751.3U
Authority: CN
Inventors: 李裕峰; 何鹏强
Original assignee: Kailin Vanadium Machinery Hangzhou Co ltd
Current assignee: Kailin Vanadium Machinery Hangzhou Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-04
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a special gearbox for a potato harvester in the technical field of gearboxes, which comprises a box body, an input bevel gear shaft is arranged inside the box body, a spiral bevel gear is meshed with the top of the input bevel gear shaft, an output hollow shaft is fixedly arranged on the inner wall of the spiral bevel gear, the output hollow shaft is arranged in a hollow way, the two ends of the output hollow shaft penetrate through the outside of the box body, the right side of the box body is bolted with a second box cover, the output hollow shaft is arranged in a hollow way, and is connected with the spiral bevel gear by a key groove and a B-shaped flat key, thereby achieving the advantage that the output shaft can be replaced at will, in the gear box, the diameter of the gear on the input bevel gear shaft is far smaller than that of the spiral bevel gear, and input bevel gear axle and spiral bevel gear all adopt spiral bevel gear design, consequently promotion transmission efficiency and transmission moment of torsion that can be very big.

Description

Special gear box of potato harvester

Technical Field

The utility model relates to the technical field of gear boxes, in particular to a special gear box for a potato harvester.

Background

The potato harvester is also called a potato harvester and is mainly used for the working procedures of harvesting underground potatoes such as potatoes, sweet potatoes and the like, piling and the like.

The output shaft of the gearbox of the existing potato harvester is basically of a solid design, cannot be changed in the process of outputting power, and the speed ratio design among transmission gears is small, so that the transmission efficiency is low, and the torque is insufficient, thereby reducing the overall performance of the harvester.

Based on the technical scheme, the special gearbox for the potato harvester is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special gearbox for a potato harvester, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a gearbox special for a potato harvester comprises a box body, wherein an input bevel gear shaft is arranged inside the box body, a spiral bevel gear is meshed at the top of the input bevel gear shaft, an output hollow shaft is fixedly mounted on the inner wall of the spiral bevel gear, the output hollow shaft is arranged in a hollow mode, two ends of the output hollow shaft penetrate through the outside of the box body, a second box cover is bolted on the right side of the box body, a first box cover is bolted on the right side of the second box cover, a third box cover is bolted on the left side of the box body, a key groove is formed in the surface of the output hollow shaft, and a B-shaped flat key is embedded inside the key groove;

a fourth tapered roller bearing and a third tapered roller bearing are respectively sleeved on two sides of the surface of the output hollow shaft, and the fourth tapered roller bearing and the third tapered roller bearing are respectively and fixedly arranged in the box body and the second box cover;

the two sides of the surface of the input bevel gear shaft are respectively sleeved with a first tapered roller bearing and a second tapered roller bearing, and the first tapered roller bearing and the second tapered roller bearing are fixedly installed in the box body.

Preferably, the bottom of box is provided with the shield, the surface threaded connection of shield has first hexagon head bolt, the shield passes through first hexagon head bolt fixed mounting in the bottom of box, the surface cover of first hexagon head bolt is equipped with first wave form elasticity gasket.

Preferably, the right side of the first box cover is in threaded connection with a third hexagonal bolt, the first box cover is fixedly mounted on the surface of the second box cover through the third hexagonal bolt, and a third wave-shaped elastic gasket is sleeved on the surface of the third hexagonal bolt.

Preferably, the right side threaded connection of second case lid has second hexagon head bolt, the second case lid passes through second hexagon head bolt fixed mounting on the surface of box, the surface cover of second hexagon head bolt is equipped with second wave form elasticity gasket.

Preferably, the surface cover of input bevel gear axle is equipped with first inner frame two lips rubber coating oil blanket, first inner frame two lips rubber coating oil blanket fixed mounting is in the inside of box, the inside fixed mounting of first case lid has second inner frame two lips rubber coating oil blanket, the inside fixed mounting of third case lid has third inner frame two lips rubber coating oil blanket, second inner frame two lips rubber coating oil blanket and third inner frame two lips rubber coating oil blanket all overlap the surface of establishing the output hollow shaft.

Preferably, the surface cover of third case lid is equipped with third O type sealing washer, the surface cover of first case lid is equipped with first O type sealing washer, the surface cover of second case lid is equipped with second O type sealing washer, the surface of first O type sealing washer and the inner wall laminating of second case lid, the surface of second O type sealing washer and second case lid all laminates with the inner wall of box.

Preferably, the surface of the input bevel gear shaft is sleeved with a heavy-duty shaft elastic retainer ring, a separation blade is arranged between the heavy-duty shaft elastic retainer ring and the first tapered roller bearing, and the separation blade is sleeved on the surface of the input bevel gear shaft.

Preferably, the left side of the third case cover is in threaded connection with a fourth hexagon head bolt, the third case cover is fixedly installed on the surface of the case body through the fourth hexagon head bolt, and a fourth wave-shaped elastic gasket is sleeved on the surface of the fourth hexagon head bolt.

Compared with the prior art, the utility model has the beneficial effects that: the output hollow shaft is arranged in a hollow mode, and is connected with the spiral bevel gears through the key grooves and the B-shaped flat keys, so that the advantage that the output shaft can be replaced at will is achieved, in the gear box, the diameter of the gear on the input bevel gear shaft is far smaller than that of the spiral bevel gears, and the input bevel gear shaft and the spiral bevel gears are designed through the spiral bevel gears, so that the transmission efficiency and the transmission torque can be greatly improved, and the problems that the output shaft of the gear box of the existing potato harvester is basically designed in a solid mode, cannot be changed in the process of outputting power, the speed ratio design among the transmission gears is small, the transmission efficiency is low, the torque is insufficient, and the overall performance of the harvester is reduced are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

In the drawings, the components represented by the respective reference numerals are listed below:

1. inputting a bevel gear shaft; 2. a first hexagon head bolt; 3. a first wave-shaped elastic gasket; 4. a dust cover; 5. the first inner framework is encapsulated with an oil seal by two lips; 6. the elastic retainer ring for the heavy shaft; 7. a baffle plate; 8. a first tapered roller bearing; 9. a box body; 10. a second tapered roller bearing; 11. a second hexagon head bolt; 12. a second wave-shaped elastic gasket; 13. a third hex bolt; 14. a third wave type elastic pad; 15. a first cover; 16. a second inner framework double-lip rubber coating oil seal; 17. a first O-ring seal; 18. a third tapered roller bearing; 19. a second cover; 20. a second O-ring seal; 21. a spiral bevel gear; 22. a type B flat bond; 23. a fourth tapered roller bearing; 24. a third cover; 25. a fourth hexagon head bolt; 26. a fourth wave-shaped elastic pad; 27. an output hollow shaft; 28. a third inner framework double-lip rubber coating oil seal; 29. and a third O-shaped sealing ring.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Example one

Referring to the drawings, the present invention provides a technical solution: a special gearbox for a potato harvester comprises a box body 9, wherein an input bevel gear shaft 1 is arranged inside the box body 9, a spiral bevel gear 21 is meshed with the top of the input bevel gear shaft 1, an output hollow shaft 27 is fixedly installed on the inner wall of the spiral bevel gear 21, the output hollow shaft 27 is arranged in a hollow mode, two ends of the output hollow shaft 27 penetrate through the outside of the box body 9, a second box cover 19 is bolted on the right side of the box body 9, a first box cover 15 is bolted on the right side of the second box cover 19, a third box cover 24 is bolted on the left side of the box body 9, a key groove is formed in the surface of the output hollow shaft 27, and a B-shaped flat key 22 is embedded inside the key groove;

a fourth tapered roller bearing 23 and a third tapered roller bearing 18 are respectively sleeved on two sides of the surface of the output hollow shaft 27, and the fourth tapered roller bearing 23 and the third tapered roller bearing 18 are respectively and fixedly installed in the box body 9 and the second box cover 19;

the two sides of the surface of the input bevel gear shaft 1 are respectively sleeved with a first tapered roller bearing 8 and a second tapered roller bearing 10, and the first tapered roller bearing 8 and the second tapered roller bearing 10 are both fixedly installed in the box body 9.

Specifically, the bottom of box 9 is provided with shield 4, and shield 4's surface threaded connection has first hexagon head bolt 2, and shield 4 is through 2 fixed mounting of first hexagon head bolt in the bottom of box 9, and the surface cover of first hexagon head bolt 2 is equipped with first wave form elastic gasket 3.

Specifically, the right side of the first cover 15 is connected with a third hexagonal key 13 through a thread, the first cover 15 is fixedly mounted on the surface of the second cover 19 through the third hexagonal key 13, and a third wave-shaped elastic gasket 14 is sleeved on the surface of the third hexagonal key 13.

Specifically, the right side of the second cover 19 is connected with a second hexagon head bolt 11 through a thread, the second cover 19 is fixedly installed on the surface of the box 9 through the second hexagon head bolt 11, and a second wave-shaped elastic gasket 12 is sleeved on the surface of the second hexagon head bolt 11.

Specifically, the surface of the input bevel gear shaft 1 is sleeved with a heavy-duty shaft circlip 6, a separation blade 7 is arranged between the heavy-duty shaft circlip 6 and the first tapered roller bearing 8, and the separation blade 7 is sleeved on the surface of the input bevel gear shaft 1.

Specifically, a fourth hexagon bolt 25 is connected to the left side of the third cover 24 through a screw, the third cover 24 is fixedly mounted on the surface of the box 9 through the fourth hexagon bolt 25, and a fourth wave-shaped elastic gasket 26 is sleeved on the surface of the fourth hexagon bolt 25.

The working principle of the embodiment is as follows: firstly, the input bevel gear shaft 1 is connected with a power output shaft through a connecting shaft so as to transmit power to the input bevel gear shaft 1, the input bevel gear shaft 1 can drive the spiral bevel gear 21 to rotate through a gear at the top of the input bevel gear shaft 1 while rotating, and the spiral bevel gear 21 drives the output hollow shaft 27 to rotate so as to transmit power;

in the utility model, the output hollow shaft 27 is arranged in a hollow way and is connected with the spiral bevel gear 21 by a key groove and a B-shaped flat key 22, so that the advantage of randomly replacing the output shaft is achieved, in the gearbox, the diameter of the gear on the input bevel gear shaft 1 is far smaller than that of the spiral bevel gear 21, and the input bevel gear shaft 1 and the spiral bevel gear 21 are designed by adopting spiral bevel gears, so that the transmission efficiency and the transmission torque can be greatly improved.

Example two

The structure of the embodiment is basically the same as that of the first embodiment, except that the surface of the input bevel gear shaft 1 is sleeved with a first inner frame double-lip rubber-covered oil seal 5, the first inner frame double-lip rubber-covered oil seal 5 is fixedly installed inside the box body 9, a second inner frame double-lip rubber-covered oil seal 16 is fixedly installed inside the first box cover 15, a third inner frame double-lip rubber-covered oil seal 28 is fixedly installed inside the third box cover 24, the second inner frame double-lip rubber-covered oil seal 16 and the third inner frame double-lip rubber-covered oil seal 28 are both sleeved on the surface of the output hollow shaft 27, by arranging the second inner framework double-lip rubber-coating oil seal 16 and the third inner framework double-lip rubber-coating oil seal 28, a gap between the output hollow shaft 27 and the box body 9 can be blocked, the lubricating oil in the output hollow shaft is prevented from leaking, and through the setting of first inner frame two lips rubber coating oil blanket 5, can carry out the shutoff with the gap between input bevel gear axle 1 and the box 9.

EXAMPLE III

The structure of the present embodiment is substantially the same as that of the first embodiment, except that a third O-ring 29 is sleeved on the surface of the third case cover 24, a first O-ring 17 is sleeved on the surface of the first case cover 15, a second O-ring 20 is sleeved on the surface of the second case cover 19, the surface of the first O-ring 17 is attached to the inner wall of the second case cover 19, the surfaces of the second O-ring 20 and the second case cover 19 are both attached to the inner wall of the case 9, the gap between the third case cover 24 and the case 9 can be sealed by the third O-ring 29, the gap between the first case cover 15 and the second case cover 19 can be sealed by the first O-ring 17, and the gap between the second case cover 19 and the case 9 can be sealed by the second O-ring 20, so as to further avoid the leakage of the lubricant in the case 9, and simultaneously, external dust can be prevented from entering the interior of the box body 9, so that the service life of the device is prolonged.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a special gear box of potato harvester, includes box (9), its characterized in that: an input bevel gear shaft (1) is arranged inside the box body (9), a spiral bevel gear (21) is meshed with the top of the input bevel gear shaft (1), an output hollow shaft (27) is fixedly mounted on the inner wall of the spiral bevel gear (21), the output hollow shaft (27) is arranged in a hollow mode, two ends of the output hollow shaft (27) penetrate through the outer portion of the box body (9), a second box cover (19) is bolted on the right side of the box body (9), a first box cover (15) is bolted on the right side of the second box cover (19), a third box cover (24) is bolted on the left side of the box body (9), a key groove is formed in the surface of the output hollow shaft (27), and a B-type flat key (22) is embedded inside the key groove;

a fourth tapered roller bearing (23) and a third tapered roller bearing (18) are respectively sleeved on two sides of the surface of the output hollow shaft (27), and the fourth tapered roller bearing (23) and the third tapered roller bearing (18) are respectively and fixedly installed in the box body (9) and the second box cover (19);

the two sides of the surface of the input bevel gear shaft (1) are respectively sleeved with a first tapered roller bearing (8) and a second tapered roller bearing (10), and the first tapered roller bearing (8) and the second tapered roller bearing (10) are fixedly installed in the box body (9).

2. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the bottom of box (9) is provided with shield (4), the surperficial threaded connection of shield (4) has first hexagon head bolt (2), shield (4) are through first hexagon head bolt (2) fixed mounting in the bottom of box (9), the surface cover of first hexagon head bolt (2) is equipped with first wave form elastic gasket (3).

3. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the right side threaded connection of first case lid (15) has third hexagonal bolt (13), first case lid (15) are on the surface of second case lid (19) through third hexagonal bolt (13) fixed mounting, the surface cover of third hexagonal bolt (13) is equipped with third wave type elasticity gasket (14).

4. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the right side threaded connection of second case lid (19) has second hexagon head bolt (11), second case lid (19) is through second hexagon head bolt (11) fixed mounting on the surface of box (9), the surface cover of second hexagon head bolt (11) is equipped with second wave form elasticity gasket (12).

5. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the surface cover of input bevel gear axle (1) is equipped with first inner frame two lip rubber coating oil blanket (5), first inner frame two lip rubber coating oil blanket (5) fixed mounting is in the inside of box (9), the inside fixed mounting of first case lid (15) has second inner frame two lip rubber coating oil blanket (16), the inside fixed mounting of third case lid (24) has third inner frame two lip rubber coating oil blanket (28), second inner frame two lip rubber coating oil blanket (16) and third inner frame two lip rubber coating oil blanket (28) are all established on the surface of output hollow shaft (27) in the cover.

6. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the surface cover of third case lid (24) is equipped with third O type sealing washer (29), the surface cover of first case lid (15) is equipped with first O type sealing washer (17), the surface cover of second case lid (19) is equipped with second O type sealing washer (20), the surface of first O type sealing washer (17) is laminated with the inner wall of second case lid (19), the surface of second O type sealing washer (20) and second case lid (19) all laminates with the inner wall of box (9).

7. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the surface cover of input bevel gear axle (1) is equipped with heavy for the axle circlip (6), be provided with separation blade (7) between heavy for the axle circlip (6) and first tapered roller bearing (8), separation blade (7) cover is established on the surface of input bevel gear axle (1).

8. The gearbox dedicated to a potato harvester of claim 1, characterized in that: the left side threaded connection of third case lid (24) has fourth hexagon head bolt (25), third case lid (24) is on the surface of box (9) through fourth hexagon head bolt (25) fixed mounting, the surface cover of fourth hexagon head bolt (25) is equipped with fourth wave form elasticity gasket (26).