CN214578741U

CN214578741U - Gear box of grass chopper

Info

Publication number: CN214578741U
Application number: CN202120937997.9U
Authority: CN
Inventors: 刘毅; 李晓; 张作坤
Original assignee: Shandong Xundi Machinery Co ltd
Current assignee: Rizhao Changyuan Machinery Manufacturing Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-02
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a garrulous grass machine gearbox belongs to the gearbox field. The transmission case comprises a transmission case body, wherein the transmission case body comprises a wide body part and a narrow body part which are connected into a whole, an input shaft and an intermediate transmission mechanism are arranged in the wide body part, an output shaft is arranged on the narrow body part, the input shaft is in transmission connection with the intermediate transmission mechanism, and the intermediate transmission mechanism is in transmission connection with the output shaft. Utility model can realize reducing the wheel interval of walking wheel, the grass chopper of this gearbox of installation can realize raising the walking height of walking wheel on trench topography mound, has avoided the blade of operation mechanism and the wearing and tearing that the contact of mound caused.

Description

Gear box of grass chopper

Technical Field

The utility model belongs to a gearbox, specifically speaking especially relates to a garrulous grass machine gearbox.

Background

The grass chopper is commonly used for field weeding and returning, and the weed straws can increase soil organic matters, improve the soil structure, loosen the soil, increase the porosity, reduce the capacity and promote the activity of microorganisms and the development of crop roots. When current garrulous grass machine was in crops field operations such as sweet potato, peanut, because there is the ridge in sweet potato, peanut planting field, need ride weeder both sides walking wheel and carry out the operation on the ridge, lead to the blade of weeder operating device and middle bellied soil stone collision very easily, cause blade wearing and tearing to damage. At present, the most effective solution is to increase the width of the travelling wheel tire and reduce the distance between the travelling wheels, so that the whole height of the whole weeding machine on the ridge is raised, and the contact between the blade and the ridge is avoided. Because the walking wheel is installed on the gearbox, need to reduce the wheel interval and only can realize through the thickness that reduces gearbox and walking wheel junction, the whole thickness of present grass chopper's gearbox is unanimous basically, can't realize reducing the wheel interval of walking wheel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a garrulous grass quick-witted gearbox to overcome among the prior art garrulous grass quick-witted gearbox and the thick unable defect that realizes reducing walking wheel interval of thickness of walking wheel junction.

The utility model discloses an adopt following technical scheme to realize: the utility model provides a grass chopper gearbox, includes the gearbox body, the gearbox body is including even wide somatic part and narrow somatic part as an organic whole, be equipped with input shaft and intermediate drive mechanism in the wide somatic part, be equipped with the output shaft in the narrow somatic part, the input shaft is connected with intermediate drive mechanism transmission, intermediate drive mechanism is connected with output shaft transmission.

Further, the intermediate transmission mechanism comprises a shaft duplex sliding gear, a shaft I, a shaft duplex gear, a shaft gear A, a shaft II, a shaft gear B, a shaft gear C, a shaft III, a shaft gear D, a chain wheel A and a chain wheel B, wherein the shaft I, the shaft II and the shaft III are respectively arranged on the wide body part through bearings, the shaft duplex sliding gear is movably arranged on the input shaft, the shaft duplex gear and the shaft gear A are respectively connected with the shaft I, the shaft gear B and the shaft gear C are respectively connected with the shaft II, the shaft gear D is connected with the shaft III, the shaft gear A is meshed with the shaft gear B, the shaft gear C is meshed with the shaft gear D, the chain wheel A is arranged on the shaft III, the chain wheel B is arranged on the output shaft, and the chain wheel A is connected with the chain wheel B through a chain.

Furthermore, the shaft duplex sliding gear is connected with a gear shifting fork, and the gear shifting fork is connected with a gear shifting fork shaft.

Furthermore, the shaft duplicate gear is connected with a clutch claw, the clutch claw is connected with a clutch shifting fork, the clutch shifting fork is connected with a clutch shifting fork shaft, and a reset spring is arranged on the clutch shifting fork shaft.

Furthermore, a belt pulley is connected to the input shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a gearbox body includes wide somatic part and narrow somatic part, and narrow somatic part sets up the output shaft of connecting the walking wheel, can realize reducing the wheel interval of walking wheel, installs the garrulous grass machine of this gearbox, when weeding like peanut, sweet potato etc. to the crops on ridging, the walking wheel can be walked along the both sides on ridge, has raised the distance between the top on gearbox and operation cutter and ridge, has avoided the blade of operation mechanism and the wearing and tearing that the soil contact caused.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a sectional view taken along line A-A of the present invention;

FIG. 3 is a partial view of the gear shift shaft and gear shift fork connection of the present invention;

fig. 4 is a partial view of the clutch shift shaft and the clutch shift fork of the present invention.

In the figure: 1. a transmission case; 2. a wide body portion; 3. a narrow body portion; 4. a shaft-coupled sliding gear; 5. an input shaft; 6. a belt pulley; 7. a bearing; 8. a clutch pawl; 9. a shaft I; 10. a shaft duplicate gear; 11. a shaft gear A; 12. a shaft II; 13. a shaft gear B; 14. a shaft gear C; 15. a shaft III; 16. a chain wheel A; 17. a shaft gear D; 18. a chain; 19. an output shaft; 20. a sprocket B; 21. a gear shift fork shaft; 22. a gear shifting fork; 23. a shifting fork is clutched; 24. a return spring; 25. a clutch shifting fork shaft.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the gearbox of grass chopper, including gearbox body 1, gearbox body 1 is including even wide somatic part 2 and narrow somatic part 3 as an organic whole, and wide somatic part 2 thickness is greater than narrow somatic part 3, is equipped with input shaft 5 and intermediate drive mechanism in the wide somatic part 1, is equipped with output shaft 19 on the narrow somatic part 3, and input shaft 5 is connected with the transmission of intermediate drive mechanism, and intermediate drive mechanism is connected with the transmission of output shaft 19.

Further, the intermediate transmission mechanism comprises a shaft duplex sliding gear 4, a shaft I9, a shaft duplex gear 10, a shaft gear A11, a shaft II12, a shaft gear B13, a shaft gear C14, a shaft III15, a shaft gear D17, a chain wheel A16 and a chain wheel B20, the shaft I9, the shaft II12 and the shaft III15 are respectively mounted on the wide body part 2 through bearings 7, the shaft duplex sliding gear 10 is movably mounted on the input shaft 5, the shaft duplex gear 10 and the shaft gear A11 are respectively connected with the shaft I9, the shaft gear B13 and the shaft gear C14 are respectively connected with the shaft II12, the shaft gear D17 is connected with the shaft III15, the shaft gear A11 is meshed with the shaft gear B13, the shaft gear C14 is meshed with the shaft gear D17, the chain wheel A16 is arranged on the shaft III15, the chain wheel B20 is arranged on the output shaft 19, and the chain wheel A16 is connected with the chain wheel B20 through a chain 18.

Further, a pulley 6 is connected to the input shaft 5. The power of the engine is transmitted to the input shaft 5 through the pulley 6.

Further, as shown in fig. 3, the shaft duplex slip gear 4 is connected with a gear shift fork 22, and the gear shift fork 22 is connected with a gear shift fork shaft 21. The position of the dual sliding gear 4 of the adjusting shaft is realized by shifting the shifting fork shaft 21 and the gear shifting fork 22, and the gear is further adjusted.

Further, as shown in fig. 4, the shaft duplicate gear 10 is connected with the clutch pawl 8, the clutch pawl 8 is connected with the clutch fork 23, the clutch fork 23 is connected with the clutch fork shaft 25, and the clutch fork shaft 25 is provided with a return spring 24. The clutch state of the clutch claw 8 and the shaft duplicate gear 10 can be adjusted by shifting the clutch shifting fork 23 and the clutch shifting fork shaft 25.

The utility model discloses a narrow body portion 3 sets up the output shaft 5 of connecting the walking wheel, can realize reducing the wheel interval of walking wheel, and the garrulous grass machine of this gearbox of installation can realize the operation in the farmland of trench topography, can raise the height of walking wheel in the walking of bellied dune top, has avoided the blade of operation mechanism and the wearing and tearing that the dune contact caused.

Claims

1. The utility model provides a grass chopper gearbox, includes gearbox body (1), its characterized in that: the transmission case body (1) comprises a wide body part (2) and a narrow body part (3) which are connected into a whole, an input shaft (5) and an intermediate transmission mechanism are arranged in the wide body part (2), an output shaft (19) is arranged on the narrow body part (3), the input shaft (5) is in transmission connection with the intermediate transmission mechanism, and the intermediate transmission mechanism is in transmission connection with the output shaft (19).

2. A gear box of a grass chopper as claimed in claim 1, characterized in that: the intermediate transmission mechanism comprises a shaft duplex sliding gear (4), a shaft I (9), a shaft duplex gear (10), a shaft gear A (11), a shaft II (12), a shaft gear B (13), a shaft gear C (14), a shaft III (15), a shaft gear D (17), a chain wheel A (16) and a chain wheel B (20), wherein the shaft I (9), the shaft II (12) and the shaft III (15) are respectively arranged on the wide body part (2) through bearings (7), the shaft duplex sliding gear (4) is movably arranged on the input shaft (5), the shaft duplex gear (10) and the shaft gear A (11) are respectively connected with the shaft I (9), the shaft gear B (13) and the shaft gear C (14) are respectively connected with the shaft II (12), the shaft gear D (17) is connected with the shaft III (15), the shaft gear A (11) is meshed with the shaft gear B (13), and the shaft gear C (14) is meshed with the shaft gear D (17), the chain wheel A (16) is arranged on the shaft III (15), the chain wheel B (20) is arranged on the output shaft (19), and the chain wheel A (16) and the chain wheel B (20) are connected through a chain (18).

3. A gear box of a grass chopper as claimed in claim 2, characterized in that: the shaft duplex sliding gear (4) is connected with a gear shifting fork (22), and the gear shifting fork (22) is connected with a gear shifting fork shaft (21).

4. A gear box of a grass chopper as claimed in claim 2, characterized in that: the shaft duplicate gear (10) is connected with a clutch claw (8), the clutch claw (8) is connected with a clutch shifting fork (23), the clutch shifting fork (23) is connected with a clutch shifting fork shaft (25), and a reset spring (24) is arranged on the clutch shifting fork shaft (25).

5. A gear box of a grass chopper as claimed in claim 2, characterized in that: the input shaft (5) is connected with a belt pulley (6).