CN220422502U

CN220422502U - Harvester header gearbox

Info

Publication number: CN220422502U
Application number: CN202321902532.5U
Authority: CN
Inventors: 孙晓红
Original assignee: Siping Hongxing Machinery Manufacturing Co ltd
Current assignee: Siping Hongxing Machinery Manufacturing Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-02
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to a header gearbox of a harvester, which comprises a box body and a power input I shaft, a power input II shaft, a reel chain output shaft, a snapping roll output shaft, a peeling roll output I shaft and a peeling roll output II shaft in the box body. The engine drives the power input I shaft, and then drives the power input II shaft, the reel chain output shaft, the snapping roll output shaft, the peeling roll output I shaft and the peeling roll output II shaft to drive the straw crushing knife, the reel chain, the snapping roll and the peeling roll to work. The power input I shaft is provided with a reversing gear, and the reversing gear drives the straw pulling chain output shaft, the snapping roll output shaft, the peeling roll output I shaft and the peeling roll output II shaft to drive the straw crushing knife, the straw pulling chain, the snapping roll and the peeling roll to reversely rotate. When choking rod and blocking phenomenon are generated during operation, reverse gear is hung, so that the snapping roll or the peeling roll can reversely rotate, straw is automatically cleaned, and the straw cleaning machine is quick and safe and has a good cleaning effect.

Description

Harvester header gearbox

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a gearbox for a header of a harvester.

Background

The header is an important component structure of the corn harvester, and mainly realizes the functions of straw pulling, ear picking, peeling and the like. The power is provided by the engine and is respectively transmitted to the reel mechanism, the ear picking mechanism and the ear peeling mechanism through the gearbox. However, in actual work, if rainy days, foggy days or dew exists, the moisture content of the straw is high, the flexibility is increased, the winding cohesion between the straw is enhanced, the snapping roll of the snapping mechanism and the peeling roll of the peeling mechanism are blocked, the blocking is cleaned, the blocking material is manually pulled out, time and labor are wasted, and the danger is high, and in recent years, the harvester bites people, and the peasant arms carelessly roll into the harvester frequently. In addition, the blockage is serious, so that the engine is not enough in power, flameout is caused, and the cutting table gearbox is damaged.

Aiming at the above situation, a gearbox capable of better solving the blockage problem of the snapping roll and the peeling roll is needed, the blocked straws are not required to be cleaned manually, and the danger coefficient is reduced.

Disclosure of Invention

The utility model aims to provide a gearbox of a harvester header, which can realize forward and reverse rotation, and if a straw blockage phenomenon occurs, a snapping roller or a peeling roller is driven to reversely rotate, so that straw is automatically cleaned.

The technical scheme of the utility model is as follows:

a harvester header gearbox comprises a box body, an upper cover, a power input I shaft, a power input II shaft, a reel chain output shaft, a snapping roll output shaft, a peeling roll output I shaft and a peeling roll output II shaft which are arranged in the box body, wherein the power input I shaft, the power input II shaft, the reel chain output shaft, the snapping roll output shaft, the peeling roll output I shaft and the peeling roll output II shaft are arranged in the box body through bearings, a forward rotation gear and a reverse rotation gear are arranged on the power input I shaft,

the upper side of the power input I shaft is a power input II shaft, the power input II shaft is sequentially provided with a worm, a first bevel gear, a gear tooth, a worm and a straw crushing cutter connecting shaft, the gear tooth is clamped with a shifting fork, the shifting fork is connected with a stop lever,

the two reel chain output shafts are provided with worm wheels which are matched with a worm on the power input II shaft, the reel chain output shafts penetrate through the upper cover to be connected with the reel chain output gears,

the two snapping roll output shafts are provided with mutually meshed snapping roll gears, one snapping roll output shaft is provided with a second umbrella ruler, the second umbrella ruler is meshed with the first umbrella ruler on the power input I shaft,

the output I shaft of the peeling roller and the output II shaft of the peeling roller are provided with mutually meshed peeling roller gears, the output I shaft of the peeling roller is provided with a third umbrella ruler, and the third umbrella ruler is meshed with the first umbrella ruler on the power input I shaft.

The utility model has the beneficial effects that:

1. the gearbox can realize forward and reverse rotation, when the phenomenon of choking and blockage is generated during operation, the reverse gear is hung, the reverse rotation of the snapping roll or the peeling roll is realized, the straw is automatically cleaned, the speed is high, the safety is high, and the cleaning effect is good.

2. The gearbox in the prior art is incomplete in function, and the gearbox comprises a reel chain power output function, a snapping roll power output function, a peeling roll power output function and a straw crushing power output function. The harvester has the advantages of complete functions, compact structure, small occupied space, stable performance and low cost, ensures that the harvester body is small in size, is suitable for small-land work, can use small power and has no power loss.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings may be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a split structure schematic diagram of a header gearbox of a harvester.

Fig. 2 is a split structure schematic diagram of a header gearbox of the harvester. (second angle)

Fig. 3 is a split structure schematic diagram of a header gearbox of the harvester. (third angle)

Fig. 4 is a schematic view of the external structure of the header gearbox of the harvester of the application.

Fig. 5 is a schematic view of the external structure of the header gearbox of the harvester of the application. (second angle)

Reference numerals:

the box body 1, the upper cover 2, the power input I shaft 3, the power input II shaft 4, the reel chain output shaft 5, the snapping roll output shaft 6, the peeling roll output I shaft 7, the peeling roll output II shaft 8, the stop lever 9, the forward rotation gear 31, the reverse rotation gear 32, the worm 41, the first bevel gear 42, the gear 43, the straw crushing cutter connecting shaft 44, the shifting fork 91, the worm wheel 51, the reel chain output gear 52, the snapping roll gear 61, the second bevel ruler 62, the peeling roll gear 71, the third bevel ruler 72, the oil filling port 21 and the air eye bolt locking 22.

Detailed description of the preferred embodiments

In order to solve the problems in the background technology, the utility model particularly provides a gearbox of a harvester header, which can rotate in the forward direction and the reverse direction, and solves the problems that the straws are blocked, manual cleaning is needed, the cleaning is difficult and the danger coefficient is high.

The present application is described in detail below with reference to the attached drawing figures:

a header gearbox of a harvester comprises a box body 1, an upper cover 2, a power input I shaft 3, a power input II shaft 4, a reel output shaft 5, a snapping roll output shaft 6, a peeling roll output I shaft 7 and a peeling roll output II shaft 8 which are arranged in the box body, wherein the power input I shaft 3, the power input II shaft 4, the reeling roll output shaft 5, the snapping roll output shaft 6, the peeling roll output I shaft 7 and the peeling roll output II shaft 8 are respectively arranged in the box body 1 through bearings, a forward rotating gear 31 and a reverse rotating gear 32 are arranged on the power input I shaft 3, the power input II shaft 4 is provided with a worm 41, a first bevel gear 42, a gear 43, a worm 41 and a straw crushing cutter connecting shaft 44 in sequence on the power input II shaft 4, the gear 43 is in clamping connection with a shifting fork 91, two reel output shafts 5 are provided with a stop lever 51, 51 are matched with the worm 41 arranged on the power input II shaft 4, the reel output shaft 5 penetrates through the upper cover 2 and is connected with the worm gear 52, two reel output shafts 6 are respectively provided with a second bevel gear 62, two bevel gears are respectively meshed with a second bevel gear 72 and a third bevel gear 7 and a second bevel gear 72, two bevel gears 62 are respectively arranged on the reel output shaft 6 and a second bevel gear 72, and a second bevel gear 72 is meshed with a third reel 7 is meshed with a second reel 7 and a second reel 72.

The upper cover 2 is provided with an oil filling port 21, and the oil filling port 21 is locked by an air hole bolt 22.

The working process comprises the following steps:

normal harvesting operation: the operator manipulates the stop lever 9, and the shifting fork 91 is used for meshing the gear engaging teeth with the forward rotating gear 31 on the power input I shaft 3 to drive the gear engaging teeth to rotate forward, and the power input II shaft 4 rotates forward to drive the two worms 41 to rotate forward. The straw crushing knife rotates forward to crush the straw. The reel chain output shaft 5 and the reel chain output gear are driven to rotate in the forward direction by the worm wheel and the worm 41. The first umbrella ruler on the power input II shaft drives the second umbrella ruler on the snapping roll output shaft 6 to rotate forward. The first umbrella ruler drives the first umbrella ruler and the third umbrella ruler on the output shaft I shaft 7 of the peeling roller, so that the peeling roller gear is driven to be meshed with the peeling roller gear on the output shaft II shaft 8 of the peeling roller, and the output shaft I shaft of the peeling roller and the output shaft II shaft of the peeling roller are further enabled to rotate. The power output function of the reel chain, the power output function of the snapping roll and the power output function of the peeling roll are completed.

When the snapping roll and the peeling roll are blocked, an operator pushes the stop lever 9, the gear shift fork 91 is used for meshing the gear shift teeth with the reversing gear 32 on the power input I shaft 3, the gear shift teeth are driven to reversely rotate, the power input II shaft 4 reversely rotates, the two worms are driven to positively rotate, and the first bevel gear on the power input II shaft drives the second bevel gear on the snapping roll output shaft 6 and the snapping roll gear to positively rotate. The first umbrella ruler drives the first umbrella ruler and the third umbrella ruler on the output shaft I shaft 7 of the peeling roller, so that the peeling roller gear is driven to be meshed with the peeling roller gear on the output shaft II shaft 8 of the peeling roller, and the output shaft I shaft of the peeling roller and the output shaft II shaft of the peeling roller are further enabled to rotate. The blocked straw is spit out from the machine, so that manual cleaning is not needed, and the machine is time-saving, labor-saving and safer. Then the operator hangs the stop lever to the positive steering gear, and then the harvesting function is continued.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the technical matter according to the present utility model does not creatively design and implement similar structural ways and implementations to the above implementation examples, which are all included in the protection scope of the present utility model.

Claims

1. A harvester header gearbox which characterized in that: comprises a box body, an upper cover, a power input I shaft, a power input II shaft, a reel chain output shaft, a snapping roll output shaft, a peeling roll output I shaft and a peeling roll output II shaft which are arranged in the box body, wherein the power input I shaft, the power input II shaft, the reel chain output shaft, the snapping roll output shaft, the peeling roll output I shaft and the peeling roll output II shaft are arranged in the box body through bearings,

a forward rotation gear and a reverse rotation gear are arranged on the power input I shaft,

the two snapping roll output shafts are provided with mutually meshed snapping roll gears, one snapping roll output shaft is provided with a second umbrella ruler, the second umbrella ruler is meshed with the first umbrella ruler on the power input II shaft,

the output I shaft of the peeling roller and the output II shaft of the peeling roller are provided with mutually meshed peeling roller gears, the output I shaft of the peeling roller is provided with a third umbrella ruler, and the third umbrella ruler is meshed with the first umbrella ruler on the power input II shaft.

2. A harvester header gearbox as in claim 1 wherein: the upper cover is provided with an oil filling port which is locked by an air hole bolt.