CN211039607U - Elastic transmission mechanism of direct-connected type field management machine - Google Patents
Elastic transmission mechanism of direct-connected type field management machine Download PDFInfo
- Publication number
- CN211039607U CN211039607U CN201922094319.6U CN201922094319U CN211039607U CN 211039607 U CN211039607 U CN 211039607U CN 201922094319 U CN201922094319 U CN 201922094319U CN 211039607 U CN211039607 U CN 211039607U
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- transmission
- shaft
- bevel gear
- flange plate
- gear
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Abstract
The utility model discloses an elastic transmission mechanism of a direct-coupled type field management machine, which comprises a power input gear, a transmission gear, a flange plate and a bevel gear shaft, wherein the power input gear is arranged on the power input shaft of an engine, the transmission gear is meshed with the power input gear, the tail end of the bevel gear shaft is a spline shaft, the middle part of the flange plate is provided with a spline through hole, the flange plate is arranged on the spline shaft of the bevel gear shaft through the spline through hole, and is provided with a key groove and a stop washer; the transmission gear is fixedly connected with the flange plate through a transmission pin penetrating through the connecting hole; an elastic sleeve is arranged between the connecting hole of the transmission gear and the transmission pin, a screw can be screwed on the end face of the tail end of the bevel gear shaft, and a cover plate can be screwed on the outer side face of the transmission gear. The utility model discloses alleviated the impact condition of drive mechanism rigid connection when transshipping, improved rural area supervisor drive mechanism's life, improved operating stability, and transformed with low costs to former associated mode rural area supervisor.
Description
Technical Field
The utility model belongs to rural area supervisor field, concretely relates to associated mode rural area supervisor elastic transmission mechanism.
Background
The countryside management machine takes a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The rotary blade of the existing rural management machine is driven by an internal combustion engine, the traveling wheels follow the rotary blade to be driven, and the rotary blade plays a supporting role. This company has researched and developed a direct connection formula rural area supervisor, and the engine passes through the gearbox and drives walking wheel, rotary blade and rotate respectively, and the connected mode adopts gear engagement direct connection, and transmission efficiency is higher, and the operation is more stable.
But in the in-service use, be different from traditional belt drive, gear drive is rigid drive, if meet separation motion such as stone, debris in the rural area supervisor operation process, walking wheel, rotary blade transship for a short time this moment, and the gear engagement structure of direct connection receives the impact force easily this moment, reduces gear life, the condition of broken tooth even appears, influences drive mechanism's normal use.
Disclosure of Invention
The utility model aims at providing a direct connection formula rural area supervisor elastic transmission mechanism, this elastic transmission mechanism avoids the impact to drive mechanism through changing the transmission between engine and the gearbox into elastic transmission to increase of service life improves the stability of system operation.
In order to solve the technical problem, the utility model discloses a following technical scheme: an elastic transmission mechanism of a direct-connected type field management machine comprises a power input gear, a transmission gear, a flange plate and a bevel gear shaft,
the power input gear is arranged on a power input shaft of the engine, the transmission gear is meshed with the power input gear,
the middle part of the bevel gear shaft is arranged at a power inlet and outlet of a shell of the gearbox through a bearing, and the bevel gear part extends into the gearbox and is connected with the speed change component; the tail end of the bevel gear shaft is provided with a spline shaft, the middle part of the flange plate is provided with a spline through hole, and the flange plate is arranged on the spline shaft of the bevel gear shaft through the spline through hole and is provided with a key groove and a stop washer; the transmission gear and the flange plate are provided with connecting holes with the same number, are respectively and annularly and uniformly distributed around the centers of the transmission gear and the flange plate, and are fixedly connected through a transmission pin penetrating through the connecting holes;
an elastic sleeve is arranged between the connecting hole of the transmission gear and the transmission pin,
the screw can be screwed on the end face of the tail end of the bevel gear shaft, and the cover plate can be screwed on the outer side face of the transmission gear.
Furthermore, the transmission gear, the flange plate and the bevel gear shaft are made of 20 CrMnTi.
Further, the transmission gear and the flange plate are subjected to quenching treatment, surface carbonitriding, the surface hardness HRC54-59 and the surface layer structure is grade 1; the hardness of the tooth core part is HRC35-45, and the depth of the effective hardened layer is 0.35-0.5 mm; the carburization depth of the bevel gear shaft is 0.35-0.5 mm. Quenching HRC54-59, core HRC 32-42.
Further, the elastic sleeve is made of nylon, polyurethane or rubber materials.
Further, the side surface of the elastic sleeve is provided with raised grains.
The utility model has the advantages that:
1. the impact condition of rigid connection of the transmission mechanism of the direct-connected type field management machine in overload is relieved, the service life of the transmission mechanism of the field management machine is prolonged, and the operation stability is improved;
2. the layout and the size of the existing direct-coupled transmission mechanism do not need to be adjusted, and the modification cost is low.
Drawings
Fig. 1 is an assembly schematic diagram of the elastic transmission mechanism, the engine and the gearbox of the direct-connected type field management machine of the present invention;
fig. 2 is an assembly explosion enlarged view of the elastic transmission mechanism of the direct-connected type field management machine of the present invention;
fig. 3 is an enlarged top view of the flange plate of the elastic transmission mechanism of the direct-coupled type garden management machine according to the present invention;
fig. 4 is an enlarged top view of the transmission gear of the elastic transmission mechanism of the direct-coupled type field management machine of the present invention.
In the figure: 1. an engine; 2. a power input shaft; 3. a power input gear; 4. a transmission gear; 5. a bearing; 6. a bevel gear shaft; 7. a gearbox; 8. a flange plate; 9. a drive pin; 10. an elastic sleeve; 11. a cover plate; 12. and (4) screws.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in figure 1, the elastic transmission mechanism of the direct-connected type field management machine comprises a power input gear 3, a transmission gear 4, a flange plate 8 and a bevel gear shaft 6,
the power input gear 3 is arranged on the power input shaft 2 of the engine 1, the transmission gear 4 is meshed with the power input gear 3,
as shown in fig. 2, the middle part of the bevel gear shaft 6 is mounted at the power inlet and outlet of the shell of the gearbox 7 through the bearing 5, and the bevel gear part extends into the gearbox 7 and is connected with the speed change component; the tail end of the bevel gear shaft 6 is provided with a spline shaft, the middle part of the flange plate 8 is provided with a spline through hole, and the flange plate 8 is arranged on the spline shaft of the bevel gear shaft 6 through the spline through hole and is provided with a key groove and a stop washer; as shown in fig. 3 and 4, the transmission gear 4 and the flange plate 8 are provided with the same number of connecting holes, are respectively and uniformly distributed around the respective centers in an annular manner, and are fixedly connected through a transmission pin 9 penetrating through the connecting holes; the number of the connecting holes can be 3, 4 or 5.
An elastic sleeve 10 is arranged between the connecting hole of the transmission gear 4 and the transmission pin 9,
the screw 12 can be screwed on the end face of the end of the bevel gear shaft 6, and the cover plate 11 can be screwed on the outer side face of the transmission gear 4.
In practical application, the transmission gear 4, the flange plate 8 and the bevel gear shaft 6 are made of 20 CrMnTi.
In practical application, the transmission gear 4 and the flange 8 are subjected to quenching treatment, surface carbonitriding, the surface hardness HRC54-59 and the surface layer tissue is grade 1; the hardness of the tooth core part is HRC35-45, and the depth of the effective hardened layer is 0.35-0.5 mm; the carburization depth of the bevel gear shaft 6 is 0.35-0.5 mm. Quenching HRC54-59, core HRC 32-42.
In practical applications, the elastic sleeve 10 is made of nylon, polyurethane or rubber.
In practical applications, the elastic sleeve 10 is corrugated on the side.
The utility model discloses a theory of operation:
the bearing 5 is arranged in a power input hole of a gearbox 7, a bevel gear shaft 6 is matched with the bearing 5, a bevel gear part is meshed with a bevel gear of the gearbox 7, and a travelling wheel and a rotary blade are driven through a speed change component and a toggle switch; the spline holes of the flange plate 8 are arranged on the spline shaft at the tail end of the bevel gear shaft 6, four pin holes of the transmission gear 4 are aligned with corresponding pin holes of the flange plate 8, elastic sleeves 10 made of soft materials are respectively arranged in the pin holes of the transmission gear 4, and the transmission pins 9 are inserted for connection and positioning.
A cover plate 11 is placed on the outer side surface of the transmission gear 4, and the cover plate 11 is fixed by a screw 12 screwed on the end surface of the bevel gear shaft 6. The power input gear 3 is mounted on the power input shaft 2 of the engine 1 and is engaged with the transmission gear 4.
The elastic sleeve 10 can be made of elastic rubber rings, connected cushions and the like, can be made of rubber or nylon materials, and can be cylindrical or have wavy lines.
To sum up, the utility model discloses alleviated the impact condition of associated mode rural area supervisor drive mechanism rigid connection when transshipping, improved rural area supervisor drive mechanism's life, improved operating stability, and it is with low costs to reform transform former associated mode rural area supervisor.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (5)
1. The utility model provides a direct connection formula rural area supervisor elasticity drive mechanism which characterized in that: comprises a power input gear (3), a transmission gear (4), a flange plate (8) and a bevel gear shaft (6),
the power input gear (3) is arranged on a power input shaft (2) of the engine (1), the transmission gear (4) is meshed with the power input gear (3),
the middle part of the bevel gear shaft (6) is arranged at a power inlet and outlet of a shell of the gearbox (7) through a bearing (5), and the bevel gear part extends into the gearbox (7) and is connected with the speed change component; the tail end of the bevel gear shaft (6) is provided with a spline shaft, the middle part of the flange plate (8) is provided with a spline through hole, and the flange plate (8) is installed on the spline shaft of the bevel gear shaft (6) through the spline through hole and is provided with a key groove and a stop washer; the transmission gear (4) and the flange plate (8) are provided with connecting holes with the same number, are respectively and annularly and uniformly distributed around the centers of the transmission gear and the flange plate, and are fixedly connected through a transmission pin (9) penetrating through the connecting holes;
an elastic sleeve (10) is arranged between the connecting hole of the transmission gear (4) and the transmission pin (9),
the screw (12) can be screwed on the end face of the tail end of the bevel gear shaft (6) and the cover plate (11) can be screwed on the outer side face of the transmission gear (4).
2. The elastic transmission mechanism of the direct-connected type field management machine according to claim 1, characterized in that: the transmission gear (4), the flange plate (8) and the bevel gear shaft (6) are made of 20 CrMnTi.
3. The elastic transmission mechanism of the direct-connected type field management machine according to claim 2, characterized in that: the transmission gear (4) and the flange plate (8) are subjected to quenching treatment, surface carbonitriding, the surface hardness HRC54-59 and the surface layer structure is grade 1; the hardness of the tooth core part is HRC35-45, and the depth of the effective hardened layer is 0.35-0.5 mm; the carburization depth of the bevel gear shaft (6) is 0.35-0.5mm, the quenching HRC54-59 and the core HRC 32-42.
4. The elastic transmission mechanism of the direct-connected type field management machine according to claim 1, characterized in that: the elastic sleeve (10) is made of nylon, polyurethane or rubber materials.
5. The elastic transmission mechanism of the direct-connected type garden management machine according to claim 1 or 4, characterized in that: the side surface of the elastic sleeve (10) is provided with raised grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922094319.6U CN211039607U (en) | 2019-11-28 | 2019-11-28 | Elastic transmission mechanism of direct-connected type field management machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922094319.6U CN211039607U (en) | 2019-11-28 | 2019-11-28 | Elastic transmission mechanism of direct-connected type field management machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039607U true CN211039607U (en) | 2020-07-17 |
Family
ID=71533359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922094319.6U Expired - Fee Related CN211039607U (en) | 2019-11-28 | 2019-11-28 | Elastic transmission mechanism of direct-connected type field management machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039607U (en) |
-
2019
- 2019-11-28 CN CN201922094319.6U patent/CN211039607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20201128 |