CN219981517U - Transplanting machine - Google Patents
Transplanting machine Download PDFInfo
- Publication number
- CN219981517U CN219981517U CN202320807662.4U CN202320807662U CN219981517U CN 219981517 U CN219981517 U CN 219981517U CN 202320807662 U CN202320807662 U CN 202320807662U CN 219981517 U CN219981517 U CN 219981517U
- Authority
- CN
- China
- Prior art keywords
- continuously variable
- variable transmission
- belt
- gear pump
- wheel
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 239000003921 oil Substances 0.000 claims abstract description 25
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 13
- 235000009566 rice Nutrition 0.000 claims abstract description 13
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 241000209094 Oryza Species 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Motor Power Transmission Devices (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The utility model discloses a rice transplanter, comprising: the vehicle frame is provided with a diesel engine, an HST continuously variable transmission and a hydraulic oil tank, a medium wheel is arranged between the diesel engine and the HST continuously variable transmission, the medium wheel is provided with two belt wheel grooves, and the two belt wheel grooves are respectively connected with the diesel engine and the HST continuously variable transmission in a belt transmission way: the intermediate wheel is fixedly connected with a power input end of the gear pump, the gear pump is arranged on the frame, an oil inlet of the gear pump is communicated with the hydraulic oil tank, and an oil outlet of the gear pump is communicated with an oil inlet of the HST continuously variable transmission. According to the utility model, the intermediate wheel is additionally arranged between the belt wheel of the diesel engine and the belt wheel of the HST continuously variable transmission, so that the number of the belt is changed from one belt to two, the length of the belt is halved, and the phenomenon of belt shaking during working is eliminated. In addition, the gear pump is driven to run when the intermediate wheel rotates, the gear pump independently supplies oil to the HST continuously variable transmission, the oil inlet pressure of the HST continuously variable transmission is increased, the flow is stable, the output power of the HST continuously variable transmission is stable and increased, and the running function of the transplanter is good.
Description
Technical Field
The utility model belongs to the technical field of rice transplanting machines.
Background
At present, a diesel engine on a four-wheel steering rice transplanter drives two gear pumps, and one gear pump supplies hydraulic oil for lifting of a rear working part of the rice transplanter; another gear pump provides the required hydraulic oil for a hydraulic steering gear and an HST continuously variable transmission (HST is derived from "Hydro Static Transmission", meaning a hydrostatic continuously variable transmission).
Because the full hydraulic steering gear and the HST continuously variable transmission share one gear pump, when the rice transplanter turns from field operation to ground, the pressure p of an oil inlet of the HST continuously variable transmission and the flow Q of the oil inlet are caused to fluctuate when the full hydraulic steering gear works, the output power of the HST continuously variable transmission fluctuates, the driving force is insufficient, and the running function of the rice transplanter is poor.
In addition, due to the structure, the belt pulley of the diesel engine is far away from the belt pulley of the HST continuously variable transmission, so that the belt distance is long, even if a tensioning device is arranged, the belt still shakes very severely and the noise is large during working.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the utility model are as follows: the rice transplanter can fully supply oil to the HST continuously variable transmission, the output of the HST continuously variable transmission is stable, and the running function of the rice transplanter is good.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a rice transplanter comprising: a frame, wherein the frame is provided with a diesel engine, an HST continuously variable transmission and a hydraulic oil tank,
the diesel engine with be equipped with the idle wheel between the HST continuously variable transmission, the idle wheel is equipped with two pulley grooves, one the pulley groove is used for the idle wheel with belt drive between the diesel engine is connected, another the pulley groove is used for the idle wheel with belt drive between the HST continuously variable transmission is connected:
the intermediate wheel is fixedly connected with the power input end of the gear pump, the gear pump is mounted on the frame, an oil inlet of the gear pump is communicated with the hydraulic oil tank, and an oil outlet of the gear pump is communicated with an oil inlet of the HST continuously variable transmission.
Preferably, the frame is provided with a intermediate wheel mounting seat, the intermediate wheel mounting seat comprises a U-shaped support and two pressing covers respectively fixed at two ends of the U-shaped support, the U-shaped support is fixed on the frame, a bearing mounting hole is formed between the pressing cover and the U-shaped support, a rotating bearing is mounted in the bearing mounting hole, and a wheel shaft of the intermediate wheel extends into an inner hole of the rotating bearing.
After the technical scheme is adopted, the utility model has the beneficial effects that:
according to the utility model, the intermediate wheel is additionally arranged between the belt wheel of the diesel engine and the belt wheel of the HST continuously variable transmission, the diesel engine is connected with the intermediate wheel through belt transmission, and the intermediate wheel is connected with the HST continuously variable transmission through belt transmission, so that the number of the belt is changed from one belt to two, the length of the belt is halved, and the phenomenon of belt shaking during working is eliminated. In addition, the gear pump is driven to run when the intermediate wheel rotates, and the gear pump independently supplies oil to the HST continuously variable transmission, so that the pressure p of an oil inlet of the HST continuously variable transmission and the flow Q of the oil inlet become stable, the pressure p of the oil inlet of the HST continuously variable transmission is increased, the volume rate of a plunger pump in the HST continuously variable transmission is improved, the output power is stable and increased, and the running function of the transplanter is good.
Drawings
FIG. 1 is a schematic view of a rice transplanter according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a schematic diagram of an assembled configuration of a scale wheel and fuel injection pump;
in the figure: 1. a frame; 2. a diesel engine; 21. a diesel engine belt pulley; 3. an HST continuously variable transmission; 31. a transmission pulley; 4. intermediate wheel; 41. a pulley groove; 42. a wheel axle; 5. a first belt; 6. a second belt; 7. a gear pump; 71. a power input shaft; 8. intermediate wheel mounting seats; 81. a U-shaped support; 82. a gland; 83. and (5) rotating the bearing.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2 together, a rice transplanter includes: the vehicle frame 1, the vehicle frame 1 is provided with a diesel engine 2, an HST continuously variable transmission 3 and a hydraulic oil tank, the output end of the diesel engine 2 is provided with a diesel engine belt pulley 21, and the input end of the HST continuously variable transmission 3 is provided with a transmission belt pulley 31;
a idle wheel 4 is arranged between the diesel engine 2 and the HST continuously variable transmission 3, the idle wheel 4 is provided with two belt wheel grooves 41, a first belt 5 is wound on the diesel engine belt wheel 21 and one belt wheel groove 41, and a second belt 6 is wound on the other belt wheel groove 41 and the transmission belt wheel 31:
the intermediate wheel 4 is fixedly connected with a power input shaft 71 of the gear pump 7, for example, a wheel shaft 42 of the intermediate wheel 4 is in spline connection with the power input shaft 71 of the gear pump 7, the gear pump 7 is arranged on the frame 1, an oil inlet of the gear pump 7 is communicated with a hydraulic oil tank through a pipeline, and an oil outlet of the gear pump 7 is communicated with an oil inlet of the HST continuously variable transmission 3 through a pipeline.
When the diesel engine 2 works, the intermediate wheel 4 is driven to rotate by the first belt 5, the intermediate wheel 4 drives the HST continuously variable transmission 3 to operate by the second belt 6, the number of the belts is changed from one to two, the length of the belts is halved, and the phenomenon of belt shake during working is eliminated. In addition, when the intermediate wheel 4 rotates, the gear pump 7 is driven to rotate, the gear pump 7 supplies hydraulic oil in a hydraulic oil tank to the HST continuously variable transmission 3, and as the gear pump 7 supplies oil to the HST continuously variable transmission 3 independently, the pressure p of an oil inlet of the HST continuously variable transmission 3 and the flow Q of the oil inlet become stable, the pressure p of the oil inlet of the HST continuously variable transmission 3 is increased, so that the volume ratio of a plunger pump in the HST continuously variable transmission 3 is improved, the output power is stable and increased, and the walking function of the transplanter is good.
As shown in fig. 3, the frame 1 is provided with a intermediate wheel mounting seat 8, the intermediate wheel mounting seat 8 comprises a U-shaped support 81 and two pressing covers 82 respectively fixed at two ends of the U-shaped support 81, the U-shaped support 81 is fixed on the frame 1, a bearing mounting hole is formed between the pressing cover 82 and the U-shaped support 81, a rotary bearing 83 is mounted in the bearing mounting hole, and a wheel shaft 42 of the intermediate wheel 4 extends into an inner hole of the rotary bearing 83.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (2)
1. A rice transplanter comprising: the frame, diesel engine, HST continuously variable transmission and hydraulic tank are installed to the frame, its characterized in that:
the diesel engine with be equipped with the idle wheel between the HST continuously variable transmission, the idle wheel is equipped with two pulley grooves, one the pulley groove is used for the idle wheel with belt drive between the diesel engine is connected, another the pulley groove is used for the idle wheel with belt drive between the HST continuously variable transmission is connected:
the intermediate wheel is fixedly connected with the power input end of the gear pump, the gear pump is mounted on the frame, an oil inlet of the gear pump is communicated with the hydraulic oil tank, and an oil outlet of the gear pump is communicated with an oil inlet of the HST continuously variable transmission.
2. The rice transplanter as defined in claim 1, wherein: the frame is equipped with the intermediate wheel mount pad, the intermediate wheel mount pad includes U type support and is fixed in respectively two glands at U type support both ends, the U type support is fixed in on the frame, the gland with form the bearing mounting hole between the U type support, install rolling bearing in the bearing mounting hole, the shaft of intermediate wheel stretches into in the hole of rolling bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320807662.4U CN219981517U (en) | 2023-04-07 | 2023-04-07 | Transplanting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320807662.4U CN219981517U (en) | 2023-04-07 | 2023-04-07 | Transplanting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219981517U true CN219981517U (en) | 2023-11-10 |
Family
ID=88611706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320807662.4U Active CN219981517U (en) | 2023-04-07 | 2023-04-07 | Transplanting machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219981517U (en) |
-
2023
- 2023-04-07 CN CN202320807662.4U patent/CN219981517U/en active Active
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