CN218718667U - Transmission case for ditcher - Google Patents
Transmission case for ditcher Download PDFInfo
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- CN218718667U CN218718667U CN202223253349.5U CN202223253349U CN218718667U CN 218718667 U CN218718667 U CN 218718667U CN 202223253349 U CN202223253349 U CN 202223253349U CN 218718667 U CN218718667 U CN 218718667U
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- gear
- transmission
- walking
- power input
- power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The utility model discloses a transmission case for ditching machine, the power distribution box comprises a box body, the box rotates and is connected with the power input shaft, be provided with in the box with power input shaft complex walking power transmission assembly and operation power transmission assembly, operation power transmission assembly is provided with the operation clutching mechanism who is used for controlling operation power break-make. The scheme solves the problem that in the prior art, when the ditcher turns and other operations, the power needs to be disconnected by operating the gear shifting mechanism, so that the ditcher is difficult to operate.
Description
Technical Field
The utility model relates to a ditching machine specifically is a transmission case for ditching machine.
Background
The transmission case of the ditcher is a power transmission device which transmits the power of an engine to a walking mechanism and an operating mechanism (a ploughing knife). When the ditching machine works, the transmission case outputs walking power to the walking mechanism to enable the ditching machine to walk, and the transmission case outputs operation power to the operation mechanism to enable the operation mechanism to conduct ditching operation.
Chinese patent document CN215648159U discloses a ditcher gearbox assembly, which comprises a gearbox and two ditcher walking assemblies, wherein a speed change mechanism is arranged in the gearbox, and the ditcher gearbox assembly is characterized in that: the speed change mechanism comprises a main shaft assembly, a ditching pair assembly, a second driving bevel gear assembly, a walking pair assembly and a first driving bevel gear assembly, wherein the ditching pair assembly and the walking pair assembly are respectively positioned at two sides of the main shaft assembly, the main shaft assembly is in transmission fit with the ditching pair assembly through gears, the ditching pair assembly is in transmission fit with the walking pair assembly through gears, the first driving bevel gear assembly is in transmission fit with the walking pair assembly through gears, and the second driving bevel gear assembly is in transmission fit with the ditching pair assembly through gears; the two ditching machine walking assemblies are respectively in transmission fit with the first driving bevel gear and the second driving bevel gear.
Walking power and ditching operation power integration have been on a gearbox among this prior art, the ditching machine is when using, walking and ditching operation are driven simultaneously, when the ditching machine needs the turn around, in order to avoid the incident, need make the sword stall of ploughing, just need make ditching auxiliary assembly lose power and make the sword stall of ploughing through the gearshift of operation connection in gearbox power input end this moment, and the handrail of gearshift generally apart from the ditching machine grips the position than far, it is more troublesome to lead to the operation, influence the simple operation nature of ditching machine. Meanwhile, when the ditching pair assembly loses power, the walking pair assembly also loses power, and the ditching machine needs to be rotated and turned around manually, so that the turning around operation of the ditching machine is difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transmission case for ditching machine to when solving among the prior art ditching machine and turning etc. operation, need realize the disconnection of power through operating gearshift, thereby lead to the problem of ditching machine operation difficulty.
In order to achieve the purpose, the utility model discloses a basic scheme provides a transmission case for ditching machine, the power distribution box comprises a box body, the box rotates and is connected with the power input shaft, be provided with in the box with power input shaft complex walking power transmission assembly and operation power transmission assembly, operation power transmission assembly is provided with the operation clutching mechanism who is used for controlling operation power break-make.
The beneficial effect of this basic scheme lies in: by adopting the arrangement, the on-off of the operation power of the transmission case is controlled by the operation clutch mechanism, so that the disconnection of the operation power is realized without operating a gear shifting mechanism, the rotation of the tillage cutter is stopped when the ditcher keeps walking, and the operation convenience of the ditcher is improved; meanwhile, when the ditcher turns and other operations are carried out, the operation difficulty of the ditcher is reduced, and the safety is improved.
Furthermore, the operation power transmission assembly comprises an operation power input gear statically connected with the power input shaft, and the operation power transmission assembly also comprises an operation auxiliary shaft and an operation main shaft which are rotationally connected with the box body; the operation clutch mechanism comprises an operation first transmission first gear rotationally connected with the operation countershaft and a clutch block connected with the operation countershaft through a spline, the clutch block is in clutch fit with the operation first transmission first gear, and the operation first transmission first gear is meshed with the operation power input gear; the operation auxiliary shaft is in transmission connection with the operation main shaft through the operation first transmission gear set and the operation second transmission gear set. By adopting the arrangement, the on-off of the operation power can be realized by controlling the clutch matching of the clutch block and the first operation transmission gear, thereby being beneficial to ensuring that the structure of the whole operation power transmission assembly is simpler and the operation is convenient.
Furthermore, the operation first transmission gear set comprises an operation first transmission second gear rotationally connected with the operation countershaft and an operation first transmission third gear in splined connection with the operation countershaft, the operation first transmission second gear is in clutch fit with the operation first transmission third gear, and the operation second transmission gear set comprises an operation second transmission first gear meshed with the operation first transmission second gear and an operation second transmission second gear in clutch fit with the operation first transmission third gear. By adopting the arrangement, two operation transmission speeds are provided between the operation auxiliary shaft and the operation main shaft, thereby improving the practicability of the transmission case.
Furthermore, an operation reverse transmission gear which is in clutch fit with the operation first transmission gear set is rotationally connected in the box body, and an operation reverse output gear which is normally meshed with the operation reverse gear is statically connected to the operation main shaft. By adopting the arrangement, the transmission case has the function of reversely rotating the operation cutter, thereby further improving the practicability of the transmission case.
Further, the walking power transmission assembly comprises a walking power input first gear, a walking power input second gear and a walking power input third gear which are connected with the power input shaft through splines, the diameters of the walking power input first gear, the diameters of the walking power input second gear and the diameters of the walking power input third gear are different, a walking auxiliary shaft is rotatably connected in the box body, and a walking first transmission gear set is statically connected on the walking auxiliary shaft; the first walking transmission gear set comprises a first walking transmission first gear in clutch fit with the first walking power input gear, a first walking transmission second gear in clutch fit with the second walking power input gear, and a first walking transmission third gear in clutch fit with the third walking power input gear. By adopting the arrangement, the walking power transmission assembly of the transmission case has three different power input transmission ratios, namely, quick, medium-speed and slow-speed transmission, so that walking power can be selected as required, and the practicability of the transmission case is improved.
Further, a walking main shaft is rotatably connected in the box body, a walking second transmission gear is connected to the walking main shaft through a spline and is in clutch fit with the walking first transmission gear set, a walking reverse transmission gear which is normally meshed with the walking first transmission gear set is rotatably connected in the box body, and the walking second transmission gear is in clutch fit with the walking reverse transmission gear. By adopting the arrangement, the walking second transmission gear is combined with the walking first transmission gear set, the forward walking power with three transmission ratios can be realized, and when the walking second transmission gear is combined with the walking reverse transmission gear, the reverse walking power with three transmission ratios can be realized, so that the whole transmission case can realize six walking powers with different gears, and the practicability of the transmission case is improved.
Further, the walking reverse transmission gear and the operation reverse transmission gear are coaxially arranged. By adopting the arrangement, the structure of the transmission case is more compact, so that the volume of the transmission case is further reduced, and the convenience in installation and use is improved.
Furthermore, a supporting shaft is connected in the box body in a static mode, and the walking reverse transmission gear and the operation reverse transmission gear are connected with the supporting shaft in a rotating mode. By adopting the arrangement, the arrangement is beneficial to the coaxial assembly of the reverse transmission gear convenient to walk and the reverse transmission gear convenient to operate, thereby facilitating the assembly operation.
Further, be provided with the chain drive mechanism who is used for exporting operation power in the box, chain drive mechanism is connected with operation main shaft transmission, the both sides that are located chain drive mechanism in the box are provided with chain tensioning strip. By adopting the arrangement, the structure of the transmission case is further simplified, the service life of the chain is prolonged, and the power transmission reliability is improved.
Drawings
FIG. 1 is a schematic view of an embodiment of a transmission case for a ditcher of the present invention;
FIG. 2 is a sectional view taken along line B-B of FIG. 1;
FIG. 3 is a cross-sectional view taken at C-C of FIG. 1;
FIG. 4 is a cross-sectional view taken along line D-D of FIG. 1;
fig. 5 is a cross-sectional view taken along line E-E of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
in this scheme, "first", "second", and "third" do not indicate an order, but merely serve to distinguish the names of the features to facilitate the description of the scheme.
Reference numerals in the drawings of the specification include: the device comprises a box body 1, a power input shaft 2, a traveling auxiliary shaft 3, a traveling main shaft 4, a support shaft 5, an operation auxiliary shaft 6, an operation main shaft 7, a traveling power input first gear 8, a traveling power input second gear 9, a traveling power input third gear 10, an operation power input gear 11, a traveling first transmission first gear 12, a traveling first transmission second gear 13, a traveling first transmission third gear 14, an operation reverse transmission gear 15, a traveling reverse transmission gear 16, a traveling second transmission gear 17, an operation first transmission first gear 18, a clutch block 19, an operation first transmission second gear 20, an operation first transmission third gear 21, an operation second transmission first gear 22, an operation second transmission second gear 23, an operation reverse output gear 24, a chain transmission mechanism 25 and a chain tensioning bar 26.
The embodiment is substantially as shown in the accompanying figures 1 to 5: a transmission case for a ditcher comprises a case body 1, wherein in the embodiment, the case body 1 is in an inverted L shape. The box body 1 is rotatably connected with a power input shaft 2, and a walking power transmission assembly and an operation power transmission assembly which are matched with the power input shaft 2 are arranged in the box body 1. The walking power transmission assembly comprises a walking power input gear set connected with the power input shaft 2 through a spline, in the embodiment, the walking power input gear set comprises a walking power input first gear 8, a walking power input second gear 9 and a walking power input third gear 10, the diameters of the walking power input first gear 8, the walking power input second gear 9 and the walking power input third gear 10 are sequentially arranged along the axial direction of the power input shaft 2, and the diameters of the walking power input first gear, the walking power input second gear and the walking power input third gear 10 are sequentially reduced.
The walking power transmission assembly further comprises a walking auxiliary shaft 3 which is rotationally connected with the box body 1, and a walking first transmission gear set matched with the walking power input gear set is statically connected to the walking auxiliary shaft 3. In this embodiment, the first traveling transmission gear set includes a first traveling transmission gear 12 that is in clutch engagement with the first traveling power input gear 8, a first traveling transmission second gear 13 that is in clutch engagement with the second traveling power input gear 9, and a first traveling transmission third gear 14 that is in clutch engagement with the third traveling power input gear 10, and the first traveling transmission gear 12, the first traveling transmission second gear 13, and the first traveling transmission third gear 14 are all linked to the traveling counter shaft 3.
The walking power transmission assembly further comprises a walking main shaft 4 which is rotatably connected with the box body 1, and a walking second transmission gear 17 which is in clutch fit with the walking first transmission gear set is connected to the walking main shaft 4 through a spline. In this embodiment, the second traveling transmission gear 17 is in clutch engagement with the third traveling transmission gear 14. Specifically, the third traveling gear 14 is a duplicate gear, and the gear portion 141 having a large diameter is in clutch engagement with the third traveling gear 10, and the gear portion 142 having a small diameter is in clutch engagement with the second traveling gear 17.
The walking power transmission assembly further comprises a walking reverse transmission gear 16 which is rotatably arranged with the box body 1, in the embodiment, a supporting shaft 5 is fixedly connected in the box body 1, and the walking reverse transmission gear 16 is rotatably connected with the supporting shaft 5. The traveling reverse transmission gear 16 is a duplicate gear, and the gear portion 161 with a larger diameter is constantly meshed with the traveling first transmission gear 12, and the gear portion 162 with a smaller diameter is in clutch engagement with the traveling second transmission gear 17.
The working power transmission assembly comprises a working power input gear 11 which is in static connection with the power input shaft 2, in this embodiment, the static connection is preferably in a key connection. The operation power transmission assembly further comprises an operation auxiliary shaft 6 which is rotationally connected with the box body 1, and an operation clutch mechanism used for controlling the on-off of operation power is arranged on the operation auxiliary shaft 6. In the present embodiment, the working clutch mechanism includes a working first transmission first gear 18 rotatably connected to the working countershaft 6 and a clutch block 19 spline-connected to the working countershaft 6, the clutch block 19 is in clutch engagement with the working first transmission first gear 18, and the working first transmission first gear 18 is engaged with the working power input gear 11. The power on-off between the operation first transmission first gear 18 and the operation countershaft 6 is realized through the combination and separation of the clutch block 19 and the operation first transmission first gear 18.
The operation countershaft 6 is connected with an operation first transmission gear set, in the embodiment, the operation first transmission gear set comprises an operation first transmission second gear 20 rotationally connected with the operation countershaft 6 and an operation first transmission third gear 21 in spline connection with the operation countershaft 6, and the operation first transmission second gear 20 is in clutch fit with the operation first transmission third gear 21, so that the power on-off between the operation first transmission second gear 20 and the operation countershaft 6 is realized through the combination and separation between the operation first transmission second gear 20 and the operation first transmission third gear 21.
The operation power transmission assembly further comprises an operation main shaft 7 which is rotatably connected with the box body 1, and an operation second transmission gear set which is in clutch fit with the operation first transmission gear set is statically connected to the operation main shaft 7. In this embodiment, the second operation transmission gear set includes a first operation transmission gear 22 engaged with the second operation transmission gear 20 and a second operation transmission gear 23 engaged with the third operation transmission gear 21, and both the first operation transmission gear 22 and the second operation transmission gear 23 are connected to the operation spindle 7.
An operation reverse transmission gear 15 which is in clutch fit with the operation first transmission gear set is rotationally connected in the box body 1. In this embodiment, the operation reverse transmission gear 15 is rotatably connected to the support shaft 5, thereby realizing the coaxial arrangement of the operation reverse transmission gear 15 and the traveling reverse transmission gear 16; the work reverse drive gear 15 is in clutching engagement with the work first drive third gear 21. The operation main shaft 7 is fixedly connected with an operation reverse output gear 24 which is normally meshed with the operation reverse gear. Specifically, the work reverse drive gear 15 is a double gear including a first gear portion 151 having a relatively large diameter and a second gear portion 152 having a relatively small diameter, the first gear portion 151 is engaged with and disengaged from the work first drive third gear 21 to transmit and disconnect power, and the second gear portion 152 is kept in a constant mesh state with the work reverse output gear 24. In this embodiment, the work reversal output gear 24 is preferably keyed to the work spindle 7.
A chain transmission mechanism 25 for outputting operation power is arranged in the box body 1, the chain transmission mechanism 25 is in transmission connection with the operation main shaft 7, and specifically, a driving chain wheel key of the chain transmission mechanism 25 is connected to the operation main shaft 7. Chain tensioning strips 26 are arranged on two sides of the chain transmission mechanism 25 in the box body 1.
The specific implementation process is as follows: by adjusting the walking power input gear set through axial movement along the power input shaft 2, the walking power input gear set and the walking first transmission gear set can be independently combined by the walking power input first gear 8 and the walking first transmission first gear 12, the walking power input second gear 9 and the walking first transmission second gear 13 or the walking power input third gear 10 and the walking first transmission third gear 14, so that three different transmission ratios are realized. When the second traveling transmission gear 17 on the traveling main shaft 4 is combined with the third traveling transmission gear 14, the transmission case can output forward power of three different gears.
The walking reverse transmission gear 16 on the supporting shaft 5 is meshed with the walking first transmission first gear 12 on the walking auxiliary shaft 3 to obtain power with three different transmission ratios, and when the walking second transmission gear 17 on the walking main shaft 4 is combined with the walking reverse gear, the steering of the walking main shaft 4 is changed, and the transmission case outputs retreating power of three different gears.
The working countershaft 6 is made to receive the power transmitted by the working power input gear 11 through the working first transmission first gear 18 by controlling the clutch piece 19 to engage with the working first transmission first gear 18. The control of the clutch block 19 can be realized by arranging a shifting fork which slides with the box body 1, and the clutch block 19 is driven to move by the sliding of the shifting fork. When the working first transmission third gear 21 is combined with the working second transmission second gear 23 on the working main shaft 7, the transmission box outputs a working positive rotating force with a transmission ratio; when the operation first transmission third gear 21 is combined with the operation first transmission second gear 20, the power of the operation auxiliary shaft 6 is transmitted to the operation main shaft 7 through the operation first transmission third gear 21, the operation first transmission second gear 20 and the operation second transmission first gear 22 in sequence, so that the transmission case outputs operation positive rotating power with another transmission ratio; when the work first transmission third gear 21 is engaged with the first gear part 151 of the work reverse transmission gear 15 on the support shaft 5, the power of the work sub-shaft 6 is transmitted to the work main shaft 7 through the work first transmission third gear 21, the work reverse transmission gear 15, and the work reverse output gear 24 in this order, so that the transmission case outputs a kind of work reverse power. Namely, the transmission case can output the working positive rotating power with two transmission ratios and the working reverse rotating power with one transmission ratio.
Through adopting the utility model discloses a scheme makes the transmission case of ditching machine have and gos forward, reverse the fender function and control and plough sword power break-make function, conveniently carries out the operation of turning around, can make the compact structure of transmission case and have multiple fender position simultaneously and select.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the schemes is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the structure of the invention, several variants and modifications can be made, which should also be regarded as the scope of protection of the invention, which will not affect the effectiveness of the implementation of the invention and the utility of the patent.
Claims (9)
1. The utility model provides a transmission case for ditching machine, includes the box, the box rotates and is connected with power input shaft, be provided with in the box with power input shaft complex walking power transmission assembly and operation power transmission assembly, its characterized in that: the operation power transmission assembly is provided with an operation clutch mechanism for controlling the on-off of operation power.
2. The drive housing for a ditcher as set forth in claim 1, wherein: the operation power transmission assembly comprises an operation power input gear statically connected with the power input shaft, an operation auxiliary shaft rotationally connected with the box body and an operation main shaft; the operation clutch mechanism comprises an operation first transmission first gear rotationally connected with the operation countershaft and a clutch block connected with the operation countershaft through a spline, the clutch block is in clutch fit with the operation first transmission first gear, and the operation first transmission first gear is meshed with the operation power input gear; the operation auxiliary shaft is in transmission connection with the operation main shaft through the operation first transmission gear set and the operation second transmission gear set.
3. A drive housing for a ditcher as defined in claim 2, wherein: the operation first transmission gear set comprises an operation first transmission second gear rotationally connected with the operation countershaft and an operation first transmission third gear in splined connection with the operation countershaft, the operation first transmission second gear is in clutch fit with the operation first transmission third gear, and the operation second transmission gear set comprises an operation second transmission first gear meshed with the operation first transmission second gear and an operation second transmission second gear in clutch fit with the operation first transmission third gear.
4. A drive housing for a ditcher as claimed in claim 2 or 3, wherein: an operation reverse transmission gear in clutch fit with the operation first transmission gear set is rotatably connected in the box body, and an operation reverse output gear in constant meshing with the operation reverse gear is statically connected to the operation main shaft.
5. A drive housing for a trencher as defined in claim 4 wherein: the walking power transmission assembly comprises a walking power input first gear, a walking power input second gear and a walking power input third gear which are in splined connection with a power input shaft, the diameters of the walking power input first gear, the walking power input second gear and the walking power input third gear are different from each other, a walking counter shaft is rotatably connected in the box body, and a walking first transmission gear set is statically connected to the walking counter shaft; the first walking transmission gear set comprises a first walking transmission first gear in clutch fit with the first walking power input gear, a first walking transmission second gear in clutch fit with the second walking power input gear, and a first walking transmission third gear in clutch fit with the third walking power input gear.
6. A drive housing for a trencher as defined in claim 5 wherein: the box is internally and rotatably connected with a walking main shaft, a walking second transmission gear is connected to the walking main shaft through a spline and is in clutch fit with the walking first transmission gear set, a walking reverse transmission gear which is normally meshed with the walking first transmission gear set is rotatably connected to the box, and the walking second transmission gear is in clutch fit with the walking reverse transmission gear.
7. The drive housing for a ditcher as set forth in claim 6, wherein: the walking reverse transmission gear and the operation reverse transmission gear are coaxially arranged.
8. The drive housing for a ditcher as set forth in claim 7, wherein: a supporting shaft is fixedly connected in the box body, and the walking reverse transmission gear and the operation reverse transmission gear are rotatably connected with the supporting shaft.
9. The drive housing for a ditcher as set forth in claim 8, wherein: be provided with the chain drive who is used for exporting operation power in the box, chain drive is connected with the transmission of operation main shaft, the both sides that are located chain drive in the box are provided with chain tensioning strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223253349.5U CN218718667U (en) | 2022-12-06 | 2022-12-06 | Transmission case for ditcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223253349.5U CN218718667U (en) | 2022-12-06 | 2022-12-06 | Transmission case for ditcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718667U true CN218718667U (en) | 2023-03-24 |
Family
ID=85625654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223253349.5U Active CN218718667U (en) | 2022-12-06 | 2022-12-06 | Transmission case for ditcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718667U (en) |
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2022
- 2022-12-06 CN CN202223253349.5U patent/CN218718667U/en active Active
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