CN111878562A - Gearbox for agricultural machinery - Google Patents

Gearbox for agricultural machinery Download PDF

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Publication number
CN111878562A
CN111878562A CN202010747048.4A CN202010747048A CN111878562A CN 111878562 A CN111878562 A CN 111878562A CN 202010747048 A CN202010747048 A CN 202010747048A CN 111878562 A CN111878562 A CN 111878562A
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CN
China
Prior art keywords
shaft
speed change
speed
tooth
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010747048.4A
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Chinese (zh)
Inventor
孟庆九
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010747048.4A priority Critical patent/CN111878562A/en
Publication of CN111878562A publication Critical patent/CN111878562A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention relates to the technical field of agricultural machinery, in particular to a gearbox for agricultural machinery, which comprises a gearbox body, wherein an input shaft is connected with a first driving tooth, a second driving tooth is connected with the input shaft, a third driving tooth is connected with the input shaft, a transmission assembly is connected with the gearbox body, a second speed changing shaft is connected with the gearbox body, a first speed changing tooth is connected with the second speed changing shaft, a fourth speed changing tooth is connected with the second speed changing shaft, a third speed changing shaft is connected with the gearbox body, and an output assembly is connected with the gearbox body. The power input by the input shaft is transmitted to the second speed changing shaft through the transmission assembly, the speed is changed through the gear meshing of the first speed changing gear and the third speed changing gear, the kinetic energy is transmitted to the third speed changing shaft, the speed is changed through the seventh speed changing gear and the eighth speed changing gear, the power is transmitted to the output assembly, the speed changing is completed, the speed changing speed is high, and the noise generated by the speed changer is small.

Description

Gearbox for agricultural machinery
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a gearbox for agricultural machinery.
Background
With the development of mechanization, mechanical products are used in various fields, agricultural machinery is widely applied in agriculture, the labor intensity of farmers is greatly reduced, in the agricultural machinery, a gear box is required to be used for completing the conversion of the mechanical speed, the speed of the existing agricultural mechanical deformation box is low, and noise is generated in the speed changing process.
Disclosure of Invention
The invention aims to solve the defects that the speed of speed change is slow and noise is generated in the prior art, and provides a gearbox for agricultural machinery.
In order to achieve the purpose, the invention adopts the following technical scheme:
the gearbox for the agricultural machinery comprises a gearbox body, wherein a groove is connected to the upper end of the gearbox body, a sealing plate is connected in the groove, an input shaft is rotatably connected in the gearbox body, one end of the input shaft extends to the outer side of the gearbox body, a first driving tooth is connected to the input shaft, a second driving tooth is connected to the input shaft, a third driving tooth is connected to the input shaft, a transmission assembly is connected to the gearbox body, the transmission assembly is connected with the first driving tooth, the second driving tooth and the third driving tooth, a second speed changing shaft is connected to the gearbox body, a first speed changing tooth is connected to the second speed changing shaft, a second speed changing tooth is connected to the second speed changing shaft, a third speed changing tooth is connected to the second speed changing shaft, and a fourth speed changing tooth is connected to the second speed changing shaft, the transmission assembly is connected with the first variable-speed gear and the third variable-speed gear, a third variable-speed shaft is connected in the gearbox box, a fifth variable-speed gear is connected on the third variable-speed shaft, the fifth variable-speed gear is meshed with the fourth variable-speed gear, a sixth variable-speed gear is connected on the third variable-speed shaft, a seventh variable-speed gear is connected on the third variable-speed shaft, the seventh variable-speed gear is meshed with the second variable-speed gear, an eighth variable-speed gear is connected on the third variable-speed shaft, an output assembly is connected in the gearbox box, and the output assembly is connected with the sixth variable-speed gear and the eighth variable-speed gear.
Preferably, the gearbox body is sprayed with an anticorrosive coating.
Preferably, the center of the input shaft and the center of the transmission assembly are in the same plane.
Preferably, the second driving tooth is a double sprocket.
Preferably, the transmission assembly comprises a first speed changing shaft, two ends of the first speed changing shaft are connected with the gearbox body, a first driven gear is connected to the first speed changing shaft, the first driven gear is meshed with the first driving gear and the first speed changing gear, a second driven gear is connected to the first speed changing shaft, the second driven gear is a double-sprocket gear, the second driven gear is meshed with the second driving gear and the third speed changing gear, a third driven gear is connected to the first speed changing shaft, and the third driven gear is meshed with the third driving gear.
Preferably, the output assembly comprises an output shaft, one end of the output shaft is rotatably connected with the gearbox body, the other end of the output shaft extends to the outer side of the gearbox body, a first transmission gear is connected to the output shaft, the first transmission gear is meshed with the eighth speed changing gear, a second transmission gear is connected to the output shaft, and the second transmission gear is meshed with the sixth speed changing gear.
The gearbox for the agricultural machinery provided by the invention has the beneficial effects that:
the power input by the input shaft is transmitted to the second speed change shaft through the transmission assembly, the speed is changed through the gear meshing of the first speed change gear and the third speed change gear, the kinetic energy is transmitted to the third speed change shaft, the speed is changed through the seventh speed change gear and the eighth speed change gear, the power is transmitted to the output assembly, the speed change is completed, the speed change speed is high, and the noise generated by the speed changer is small.
Drawings
Fig. 1 is a schematic structural diagram of a gearbox for agricultural machinery according to the present invention;
FIG. 2 is a first schematic view of a connection structure between an input shaft and a transmission assembly in a transmission for agricultural machinery according to the present invention;
fig. 3 is a schematic view of a connection structure between an input shaft and a transmission assembly in a transmission for agricultural machinery according to the present invention.
In the figure: the gearbox comprises a gearbox body 1, a groove 2, a sealing plate 3, an input shaft 4, a first driving tooth 5, a second driving tooth 6, a third driving tooth 7, a first speed change shaft 8, a first driven tooth 9, a second driven tooth 10, a third driven tooth 11, a second speed change shaft 12, a first speed change tooth 13, a second speed change tooth 14, a third speed change tooth 15, a fourth speed change tooth 16, a third speed change shaft 17, a fifth speed change tooth 18, a sixth speed change tooth 19, a seventh speed change tooth 20, an eighth speed change tooth 21, an output shaft 22, a first transmission tooth 23 and a second transmission tooth 24.
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.
Example 1
Referring to fig. 1-3, a gearbox for agricultural machinery, including gearbox housing 1, the spraying has the anticorrosive coating on the gearbox housing 1, the effect of anticorrosive coating is protection gearbox housing 1, delay the speed that gearbox housing 1 is corroded, the upper end of gearbox housing 1 is connected with recess 2, the effect of recess 2 is connecting seal plate 3, recess 2 in-connection has seal plate 3, the effect of seal plate 3 is sealed gearbox housing 1, avoid debris to get into in the gearbox housing 1, rotatable being connected with input shaft 4 in the gearbox housing 1, the effect of input shaft 4 is connecting external power unit, the one end of input shaft 4 extends to the outside of gearbox housing 1.
The input shaft 4 is connected with a first driving tooth 5, the first driving tooth 5 is used for transmitting power to a transmission assembly, the input shaft 4 is connected with a second driving tooth 6, the second driving tooth 6 is a double-sprocket, the input shaft 4 is connected with a third driving tooth 7, the transmission assembly is connected in the gearbox housing 1 and used for transmitting kinetic energy to a second variable speed shaft 12, the center of the input shaft 4 and the center of the transmission assembly are positioned on the same plane, the transmission assembly is connected with the first driving tooth 5, the second driving tooth 6 and the third driving tooth 7, the gearbox housing 1 is connected with a second variable speed shaft 12, the second variable speed shaft 12 is connected with a first variable speed tooth 13, the first variable speed tooth 13 is used for changing the rotating speed of the second variable speed shaft 12, the second variable speed shaft 12 is connected with a second variable speed tooth 14, the second variable speed shaft 12 is connected with a third variable speed tooth 15, the second variable speed shaft 12 is connected with a fourth variable speed tooth 16, the transmission assembly connects the first shift tooth 13 and the third shift tooth 15.
The gearbox casing 1 is internally connected with a third speed changing shaft 17, the third speed changing shaft 17 is connected with a fifth speed changing tooth 18, the fifth speed changing tooth 18 is used for receiving kinetic energy transmitted by the second speed changing shaft 12 and changing the rotating speed of the third speed changing shaft 17, the fifth speed changing tooth 18 is meshed with a fourth speed changing tooth 16, the third speed changing shaft 17 is connected with a sixth speed changing tooth 19, the third speed changing shaft 17 is connected with a seventh speed changing tooth 20, the seventh speed changing tooth 20 is meshed with the second speed changing tooth 14, the third speed changing shaft 17 is connected with an eighth speed changing tooth 21, the gearbox casing 1 is internally connected with an output assembly, the output assembly is used for transmitting the kinetic energy after speed changing, and the output assembly is connected with the sixth speed changing tooth 19 and the eighth speed changing tooth 21.
Example 2
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the transmission assembly includes a first transmission shaft 8, both ends of the first transmission shaft 8 are connected to the transmission case 1, a first driven gear 9 is connected to the first transmission shaft 8, the first driven gear 9 is used for transmitting kinetic energy to a second transmission shaft 12, the first driven gear 9 is in meshing connection with a first driving gear 5 and a first transmission gear 13, the first transmission shaft 8 is connected to a second driven gear 10, the second driven gear 10 is a double sprocket, the second driven gear 10 is in meshing connection with a second driving gear 6 and a third transmission gear 15, the first transmission shaft 8 is connected to a third driven gear 11, and the third driven gear 11 is in meshing connection with a third driving gear 7, so as to transmit kinetic energy to the second transmission gear 14.
Example 3
Referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the output assembly includes an output shaft 22, one end of the output shaft 22 is rotatably connected to the transmission case 1, the other end of the output shaft 22 extends to the outside of the transmission case 1, the output shaft 22 is connected to a first transmission gear 23, the first transmission gear 23 is engaged with the eighth transmission gear 21, the output shaft 22 is connected to a second transmission gear 24, and the second transmission gear 24 is engaged with the sixth transmission gear 19.
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 (6)

1. The gearbox for the agricultural machinery comprises a gearbox body (1) and is characterized in that a groove (2) is connected to the upper end of the gearbox body (1), a sealing plate (3) is connected to the groove (2), an input shaft (4) is rotatably connected to the inside of the gearbox body (1), one end of the input shaft (4) extends to the outer side of the gearbox body (1), a first driving tooth (5) is connected to the input shaft (4), a second driving tooth (6) is connected to the input shaft (4), a third driving tooth (7) is connected to the input shaft (4), a transmission assembly is connected to the inside of the gearbox body (1) and is connected with the first driving tooth (5), the second driving tooth (6) and the third driving tooth (7), a second variable speed shaft (12) is connected to the inside of the gearbox body (1), the transmission device is characterized in that a first speed change gear (13) is connected to the second speed change shaft (12), a second speed change gear (14) is connected to the second speed change shaft (12), a third speed change gear (15) is connected to the second speed change shaft (12), a fourth speed change gear (16) is connected to the second speed change shaft (12), the transmission assembly is connected with the first speed change gear (13) and the third speed change gear (15), a third speed change shaft (17) is connected to the transmission box body (1), a fifth speed change gear (18) is connected to the third speed change shaft (17), the fifth speed change gear (18) is meshed with the fourth speed change gear (16), a sixth speed change gear (19) is connected to the third speed change shaft (17), a seventh speed change gear (20) is connected to the third speed change shaft (17), and the seventh speed change gear (20) is meshed with the second speed change gear (14), the third speed changing shaft (17) is connected with eighth speed changing teeth (21), an output assembly is connected into the gearbox body (1), and the output assembly is connected with the sixth speed changing teeth (19) and the eighth speed changing teeth (21).
2. The gearbox for agricultural machinery according to claim 1, wherein the gearbox casing (1) is coated with an anti-corrosion layer.
3. A gearbox for agricultural machinery according to claim 1, characterised in that the centre of the input shaft (4) is in the same plane as the centre of the transmission assembly.
4. A gearbox for agricultural machinery, according to claim 1, characterised in that said second driving tooth (6) is a double-chain tooth.
5. The gearbox for agricultural machinery according to claim 1, wherein the transmission assembly comprises a first speed change shaft (8), two ends of the first speed change shaft (8) are connected with the gearbox body (1), a first driven tooth (9) is connected to the first speed change shaft (8), the first driven tooth (9) is in meshed connection with the first driving tooth (5) and the first speed change tooth (13), a second driven tooth (10) is connected to the first speed change shaft (8), the second driven tooth (10) is a double-chain tooth, the second driven tooth (10) is in meshed connection with the second driving tooth (6) and the third speed change tooth (15), a third driven tooth (11) is connected to the first speed change shaft (8), and the third driven tooth (11) is in meshed connection with the third driving tooth (7).
6. The gearbox of claim 1, characterized in that the output assembly comprises an output shaft (22), one end of the output shaft (22) is rotatably connected with the gearbox housing (1), the other end of the output shaft (22) extends to the outer side of the gearbox housing (1), a first transmission gear (23) is connected to the output shaft (22), the first transmission gear (23) is meshed with the eighth transmission gear (21), a second transmission gear (24) is connected to the output shaft (22), and the second transmission gear (24) is meshed with the sixth transmission gear (19).
CN202010747048.4A 2020-07-29 2020-07-29 Gearbox for agricultural machinery Pending CN111878562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010747048.4A CN111878562A (en) 2020-07-29 2020-07-29 Gearbox for agricultural machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010747048.4A CN111878562A (en) 2020-07-29 2020-07-29 Gearbox for agricultural machinery

Publications (1)

Publication Number Publication Date
CN111878562A true CN111878562A (en) 2020-11-03

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ID=73202024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010747048.4A Pending CN111878562A (en) 2020-07-29 2020-07-29 Gearbox for agricultural machinery

Country Status (1)

Country Link
CN (1) CN111878562A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200985990Y (en) * 2006-12-22 2007-12-05 蔡耀熙 Speed variator of engineering project machine
US20120048045A1 (en) * 2010-08-26 2012-03-01 Gm Global Technology Operations, Inc. Transmission with reverse gear brake
CN205331332U (en) * 2016-02-01 2016-06-22 姚春朋 Fortune seedling machine gearbox
CN210423605U (en) * 2019-04-29 2020-04-28 向青茂 Gear transmission case with two output shafts capable of reversely rotating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200985990Y (en) * 2006-12-22 2007-12-05 蔡耀熙 Speed variator of engineering project machine
US20120048045A1 (en) * 2010-08-26 2012-03-01 Gm Global Technology Operations, Inc. Transmission with reverse gear brake
CN205331332U (en) * 2016-02-01 2016-06-22 姚春朋 Fortune seedling machine gearbox
CN210423605U (en) * 2019-04-29 2020-04-28 向青茂 Gear transmission case with two output shafts capable of reversely rotating

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Application publication date: 20201103