CN217926968U - Mechanical arm for power output of agricultural machine - Google Patents
Mechanical arm for power output of agricultural machine Download PDFInfo
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- CN217926968U CN217926968U CN202222131852.7U CN202222131852U CN217926968U CN 217926968 U CN217926968 U CN 217926968U CN 202222131852 U CN202222131852 U CN 202222131852U CN 217926968 U CN217926968 U CN 217926968U
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Abstract
The utility model discloses an arm for agricultural machinery power take off, its characterized in that: including main machine box and floating arm box, main machine box includes main machine housing, power input shaft, main power transmission system and main machine box output shaft, main power transmission system installs inside main machine housing, the power input shaft is connected with main power transmission system's power input end transmission, main machine box output shaft is connected with main power transmission system's power output end transmission, main machine box output shaft is connected with the transmission of floating arm box, the utility model discloses transmission efficiency is high, no installation angle's requirement and transmission compact structure installation space are little.
Description
Technical Field
The utility model relates to an agricultural machinery equipment field, concretely relates to arm for agricultural machinery power take off.
Background
The power take-off (PTO) of the traditional tractor realizes power transmission through a cross shaft type universal joint, the power take-off can only be in the range of 0-36 degrees due to the limitation of a cross shaft type installation angle, the larger the angle of the swing of the cross shaft is along with the larger angle, the larger the angle rotated by a bearing is, the larger the friction loss is, and the lower the efficiency is. The smaller the angle is, the more the intersection angle is assumed to be 0, and the cross shaft and the bearing are both relatively static, have no friction and rotate along with the shaft, so that the optimal connection mode is realized. Along with the expansion of the agricultural machinery market, various agricultural machinery and tools have different structures and are influenced by the operation area, and the power output mode of the traditional tractor is difficult to adapt to the requirements of continuously increasing varieties of agricultural machinery and tools.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point of above-mentioned conventional art, provide a drive efficiency height, do not have installation angle's requirement and the little arm that is used for agricultural machinery power take off of transmission compact structure installation space.
The purpose of the utility model is achieved through the following technical measures: the utility model provides a arm for agricultural machinery power take off which characterized in that: the main mechanical box comprises a main mechanical shell, a power input shaft, a main power transmission system and a main mechanical box output shaft, wherein the main power transmission system is installed inside the main mechanical shell, the power input shaft is in transmission connection with the power input end of the main power transmission system, the main mechanical box output shaft is in transmission connection with the power output end of the main power transmission system, and the main mechanical box output shaft is in transmission connection with the floating arm box.
As a preferred embodiment: the main power transmission system comprises a driving gear, a middle idle wheel and an output gear, wherein the driving gear, the middle idle wheel and the output gear are in primary meshing connection, the driving gear is fixedly connected with a power input shaft, a idle wheel bearing is fixedly installed in the middle idle wheel, an idle wheel shaft is fixedly connected to the inner ring of the idle wheel bearing, and the idle wheel shaft penetrates through a main mechanical shell.
As a preferred embodiment: the output shaft of the main mechanical box body penetrates through the output gear and is fixedly connected with the output gear, output shaft bearings are arranged on two sides of the output gear, the output shaft bearings are sleeved on the output shaft of the main mechanical box body, and a middle thrust ball bearing is sleeved on a part, located between the main mechanical box body and the floating arm box body, of the output shaft of the main mechanical box body.
As a preferred embodiment: the floating arm box body comprises a floating arm shell, a floating arm driving gear, a floating arm middle medium wheel set and a floating box terminal gear, the floating arm driving gear, the floating arm middle medium wheel set and the floating box terminal gear are sequentially connected in a meshed mode, the floating arm driving gear, the floating arm middle medium wheel set and the floating box terminal gear are installed in the floating arm shell, and the floating arm driving gear is fixedly connected with an output shaft of the main mechanical box body.
As a preferred embodiment: the floating arm middle intermediate wheel set comprises two groups of floating arm middle intermediate wheels and floating arm small intermediate wheels, the two groups of floating arm middle intermediate wheels are in meshed connection, one group of floating arm middle intermediate wheels are in meshed connection with a floating arm driving gear, the other group of floating arm middle intermediate wheels are in meshed connection with the floating arm small intermediate wheels, and the floating arm small intermediate wheels are meshed with a floating box terminal gear.
As a preferred embodiment: the floating arm box body is provided with a power output shaft.
As a preferred embodiment: the power output shaft penetrates through the floating box terminal gear and is fixedly connected with the floating box terminal gear, two sides of the floating box terminal gear are respectively provided with a power output shaft bearing, and the two power output shaft bearings are sleeved on the power output shaft.
As a preferred embodiment: the center of the intermediate wheel of the floating arm is fixedly connected with an intermediate wheel bearing, the intermediate wheel bearing is sleeved with an intermediate wheel shaft, and the intermediate wheel shaft penetrates through the floating arm shell and is fixedly connected with the floating arm shell.
As a preferred embodiment: the middle of the small floating arm intermediate wheel penetrates through and is fixedly connected with a small floating arm intermediate wheel shaft, two sides of the small floating arm intermediate wheel are provided with small floating arm intermediate wheel bearings, and the small floating arm intermediate wheel bearings are sleeved on the small floating arm intermediate wheel shaft.
Owing to adopted above-mentioned technical scheme, compared with prior art, the utility model has the advantages that:
the utility model discloses an arm for agricultural machinery power take off, its characterized in that: including main machinery case and floating arm box, main machinery case includes main machinery casing, power input shaft, main power transmission system and main machinery box output shaft, main power transmission system installs inside main machinery casing, power input shaft is connected with main power transmission system's power input end transmission, main machinery box output shaft is connected with main power transmission system's power take off end transmission, main machinery box output shaft is connected with the transmission of floating arm box, the utility model discloses transmission efficiency is high, the requirement and the compact installation space of transmission structure of no installation angle are little.
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
FIG. 1 is a schematic structural view of a mechanical arm part for power output of an agricultural machine.
Fig. 2 is a schematic diagram of the position relationship between the main mechanical box and the floating arm box of the present invention when displacement occurs.
Fig. 3 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is an enlarged schematic view at a in fig. 3.
Fig. 5 is an enlarged schematic view at B in fig. 3.
Fig. 6 is an enlarged schematic view at C of fig. 3.
Detailed Description
Example (b): as shown in fig. 1 to 6, the mechanical arm for agricultural machinery power output comprises a main mechanical box 1 and a floating arm box 2, wherein the main mechanical box 1 comprises a main mechanical shell 11, a power input shaft 12, a main power transmission system 3 and a main mechanical box output shaft 13, the main power transmission system is installed inside the main mechanical shell 11, the power input shaft 12 is in transmission connection with a power input end of the main power transmission system 3, the main mechanical box output shaft 13 is in transmission connection with a power output end of the main power transmission system 3, and the main mechanical box output shaft 13 is in transmission connection with the floating arm box 2.
The main power transmission system 3 comprises a driving gear 31, a middle idle gear 32 and an output gear 33, the driving gear 31, the middle idle gear 32 and the output gear 33 are in primary meshing connection, the driving gear 31 is fixedly connected with the power input shaft 12, an idle gear bearing 321 is fixedly installed inside the middle idle gear 32, an idle gear shaft 322 is fixedly connected to the inner ring of the idle gear bearing 321, and the idle gear shaft 322 penetrates through the main mechanical shell 11.
The main mechanical box output shaft 13 penetrates through the output gear 33 and is fixedly connected with the output gear 33, output shaft bearings 331 are arranged on two sides of the output gear 33, the output shaft bearings 331 are sleeved on the main mechanical box output shaft 13, and a middle thrust ball bearing 4 is sleeved on a part, located between the main mechanical box 1 and the floating arm box 2, of the main mechanical box output shaft 13.
The floating arm box body 2 comprises a floating arm shell 21, a floating arm driving gear 22, a floating arm middle medium wheel set 23 and a floating box terminal gear 24, the floating arm driving gear 22, the floating arm middle medium wheel set 23 and the floating box terminal gear 24 are sequentially connected in a meshed mode, the floating arm driving gear 22, the floating arm middle medium wheel set 23 and the floating box terminal gear 24 are installed in the floating arm shell 21, and the floating arm driving gear 22 is fixedly connected with an output shaft 13 of a main mechanical box body.
The floating arm intermediate wheel set 23 comprises two groups of floating arm intermediate wheels 231 and floating arm small intermediate wheels 232, the two groups of floating arm intermediate wheels 231 are in meshed connection, one group of the floating arm intermediate wheels 231 is in meshed connection with the floating arm driving gear 22, the other group of the floating arm intermediate wheels 231 is meshed with the floating arm small intermediate wheels 232, and the floating arm small intermediate wheels 232 are meshed with the floating box terminal gear 24.
The floating arm box body 2 is provided with a power output shaft 5.
The power output shaft 5 penetrates through the floating box terminal gear 24 and is fixedly connected with the floating box terminal gear 24, two power output shaft bearings 241 are respectively arranged on two sides of the floating box terminal gear 24, and the two power output shaft bearings 241 are sleeved on the power output shaft 5.
The center of the intermediate wheel 231 of the floating arm is fixedly connected with an intermediate wheel bearing 2311, the intermediate wheel bearing 2311 is sleeved with an intermediate wheel shaft 2312, and the intermediate wheel shaft 2312 penetrates through the floating arm shell 21 and is fixedly connected with the floating arm shell 21.
The middle of the floating arm small intermediate wheel 232 penetrates through and is fixedly connected with a floating arm small intermediate wheel shaft 2321, floating arm small intermediate wheel bearings 2322 are arranged on two sides of the floating arm small intermediate wheel 232, and the floating arm small intermediate wheel bearings 2322 are sleeved on the floating arm small intermediate wheel shaft 2321.
Claims (9)
1. The utility model provides a arm for agricultural machinery power take off which characterized in that: the floating arm box body structure is characterized by comprising a main mechanical box body (1) and a floating arm box body (2), wherein the main mechanical box body (1) comprises a main mechanical shell body (11), a power input shaft (12), a main power transmission system (3) and a main mechanical box body output shaft (13), the main power transmission system is installed inside the main mechanical shell body (11), the power input shaft (12) is in transmission connection with a power input end of the main power transmission system (3), the main mechanical box body output shaft (13) is in transmission connection with a power output end of the main power transmission system (3), and the main mechanical box body output shaft (13) is in transmission connection with the floating arm box body (2).
2. A robotic arm for an agricultural machine power take off as claimed in claim 1, wherein: the main power transmission system (3) comprises a driving gear (31), a middle idle wheel (32) and an output gear (33), the driving gear (31), the middle idle wheel (32) and the output gear (33) are meshed and connected for one time, the driving gear (31) is fixedly connected with a power input shaft (12), an idle wheel bearing (321) is fixedly installed inside the middle idle wheel (32), an idle wheel shaft (322) is fixedly connected to the inner ring of the idle wheel bearing (321), and the idle wheel shaft (322) penetrates through a main mechanical shell (11).
3. A robotic arm for an agricultural machine power take off as claimed in claim 2, wherein: main machinery box output shaft (13) run through output gear (33) and with output gear (33) fixed connection, the both sides of output gear (33) all are provided with output shaft bearing (331), output shaft bearing (331) suit is on main machinery box output shaft (13), the partial cover that main machinery box output shaft (13) is located between main machinery box (1) and floating arm box (2) is equipped with middle thrust ball bearing (4).
4. A robotic arm for an agricultural machine power take off as claimed in claim 1, wherein: the floating arm box body (2) comprises a floating arm shell (21), a floating arm driving gear (22), a floating arm middle medium wheel set (23) and a floating box terminal gear (24), the floating arm driving gear (22), the floating arm middle medium wheel set (23) and the floating box terminal gear (24) are sequentially meshed and connected, the floating arm driving gear (22), the floating arm middle medium wheel set (23) and the floating box terminal gear (24) are installed in the floating arm shell (21), and the floating arm driving gear (22) is fixedly connected with a main mechanical box body output shaft (13).
5. The mechanical arm for the power output of the agricultural machine as claimed in claim 4, wherein: the floating arm intermediate wheel set (23) comprises two groups of floating arm intermediate wheels (231) and floating arm small intermediate wheels (232), the two groups of floating arm intermediate wheels (231) are connected in a meshed mode, one group of floating arm intermediate wheels (231) are connected with a floating arm driving gear (22) in a meshed mode, the other group of floating arm intermediate wheels (231) are connected with the floating arm small intermediate wheels (232) in a meshed mode, and the floating arm small intermediate wheels (232) are meshed with a floating box terminal gear (24).
6. A robotic arm for an agricultural machine power take off as claimed in any one of claims 1 to 5, wherein: the floating arm box body (2) is provided with a power output shaft (5).
7. The mechanical arm for the power output of the agricultural machine as claimed in claim 6, wherein: the power output shaft (5) penetrates through the floating box terminal gear (24) and is fixedly connected with the floating box terminal gear (24), two power output shaft bearings (241) are respectively arranged on two sides of the floating box terminal gear (24), and the two power output shaft bearings (241) are sleeved on the power output shaft (5).
8. A robotic arm for an agricultural machine power take off as claimed in claim 5, wherein: the center of the middle idle wheel (231) of the floating arm is fixedly connected with a middle idle wheel bearing (2311), the middle idle wheel bearing (2311) is sleeved with a middle idle wheel shaft (2312), and the middle idle wheel shaft (2312) penetrates through the floating arm shell (21) and is fixedly connected with the floating arm shell (21).
9. A robotic arm for agricultural machine power take off as claimed in claim 5 or claim 8, wherein: the middle of the small floating arm intermediate wheel (232) penetrates through and is fixedly connected with a small floating arm intermediate wheel shaft (2321), both sides of the small floating arm intermediate wheel (232) are provided with small floating arm intermediate wheel bearings (2322), and the small floating arm intermediate wheel bearings (2322) are sleeved on the small floating arm intermediate wheel shaft (2321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222131852.7U CN217926968U (en) | 2022-08-15 | 2022-08-15 | Mechanical arm for power output of agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222131852.7U CN217926968U (en) | 2022-08-15 | 2022-08-15 | Mechanical arm for power output of agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217926968U true CN217926968U (en) | 2022-11-29 |
Family
ID=84159785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222131852.7U Active CN217926968U (en) | 2022-08-15 | 2022-08-15 | Mechanical arm for power output of agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217926968U (en) |
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2022
- 2022-08-15 CN CN202222131852.7U patent/CN217926968U/en active Active
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