CN212131212U - Uninterrupted speed-regulating type hay cutting gearbox and hay cutting equipment thereof - Google Patents
Uninterrupted speed-regulating type hay cutting gearbox and hay cutting equipment thereof Download PDFInfo
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- CN212131212U CN212131212U CN202020408756.0U CN202020408756U CN212131212U CN 212131212 U CN212131212 U CN 212131212U CN 202020408756 U CN202020408756 U CN 202020408756U CN 212131212 U CN212131212 U CN 212131212U
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Abstract
The application provides a continuous speed regulating type hay cutting gearbox and hay cutting equipment thereof. The continuous speed regulating hay cutting gear box has power input shaft, transmission shaft and reverse transmission shaft supported inside the box, the transmission shaft is connected to the reverse transmission shaft in gear transmission, one transmission shaft is connected to the transmission shaft in gear transmission, one transmission gear pair is set between the transmission shaft and the transmission shaft, the power input shaft is connected to the transmission shaft via bevel gear pair, the driven bevel gear is set on the transmission shaft, one transmission shaft is also provided with clutch block sliding along the axial slideway and matching with the driven bevel gear, and the clutch block is controlled with the clutch handle outside the box. The technical scheme realizes the technical purpose of speed regulation and conversion without stopping, so that the electric equipment such as the motor and the like has longer service life.
Description
Technical Field
The application relates to a hay cutting device, in particular to a mechanical feeding transmission mechanism of the hay cutting device.
Background
The feeding mechanism of the hay cutter mainly comprises two feeding rollers for clamping hay and a transmission gearbox thereof, wherein the hay is clamped into a hay cutter area for continuous subsection hay cutting operation. In order to meet the requirement of the household for adjusting the lengths of different grass sections, a grass clamping operation variable speed adjusting mechanism is provided in part of the hay cutter. However, the speed change operation of the existing gearbox needs to be stopped, and the gearbox is started after being adjusted to a speed change gear by a speed change handle; reverse operation also requires a shutdown to complete. The stopping operation affects the progress of the hay cutting operation and the operation efficiency, and the repeated stopping and starting impact can damage the electrical equipment, particularly the motor and shorten the service life of the electrical equipment such as the motor.
Disclosure of Invention
The invention aims to solve the technical problem that the speed regulation operation of the conventional hay cutting equipment needs to be finished by stopping the machine, and provides a continuous speed regulation type hay cutting gearbox and the hay cutting equipment thereof.
The application provides a continuous speed governing type hay cutter gearbox technical scheme that does not have, its main technical content is: a non-intermittent speed-regulating straw cutting speed-changing box is characterized by that in the interior of box body a power input shaft, a transmission primary shaft, a transmission secondary shaft and a reverse transmission shaft are supported and mounted, in which the transmission secondary shaft is connected with the reverse transmission shaft by means of gear transmission, between the transmission primary shaft and transmission secondary shaft a speed-changing regulating gear transmission pair is set, said speed-changing regulating gear pair is operated by speed-changing handle outside the box body to change speed, and the power input shaft and transmission primary shaft are connected by means of bevel gear pair, and its driven bevel gear is freely set on the transmission primary shaft in the radial direction, and on the transmission primary shaft a clutch block which can be slided along axial slideway and matched with the clutch end of driven bevel gear is set, and said clutch block.
In a preferred technical means of the above-mentioned overall technical solution, the transmission pair of the variable-speed adjusting gear comprises a high-speed gear wheel, a low-speed gear pinion and a medium-speed gear wheel which are arranged on the transmission shaft to adjust the stroke interval and the speed-adjusting sequence from left to right, or a medium-speed gear wheel, a low-speed gear pinion and a high-speed gear wheel which are arranged on the transmission shaft to adjust the speed sequence from left to right, and further comprises a triple gear which is axially slidably arranged on the transmission shaft and is engaged with the three-speed ratio gear of the transmission shaft.
In a preferred technical means of the above-mentioned overall technical solution, a neutral gear is disposed between the high-speed gear and the low-speed gear of the transmission shaft in the speed regulating sequence from left to right, or between the middle-speed gear and the low-speed gear of the left to right speed regulating sequence.
In a preferred technical means of the above overall technical solution, a reverse shaft is supported in the box body, the reverse shaft is in transmission connection with a transmission shaft gear, the reverse shaft is provided with a reverse gear, and the reverse gear is arranged between a speed regulation stroke of a small gear and a middle gear in a speed regulation sequence from left to right of the transmission shaft, or between a speed regulation stroke of a small gear and a large gear in a speed regulation sequence from left to right of the transmission shaft.
The application also provides an assembly device the hay cutter equipment of the uninterrupted speed regulation type hay cutting gearbox.
The utility model discloses a no intermittent type speed governing type hay cutting gearbox and hay cutting equipment technical scheme thereof has realized each operation mode of continuous conversion, especially need not to shut down and implement the technical purpose of speed governing and reverse gear operation, and has the technical advantage that the structure is succinct, the simple operation makes electrical equipment such as motor have longer life.
Drawings
Fig. 1 and fig. 2 are the front view and the side view of the uninterrupted speed regulating type hay cutting gearbox of the patent application respectively.
Fig. 3, 4, 5, 6 and 7 are views of the expanded axes to clearly show the respective shaft drive engagement states of the high, neutral, low, reverse and medium gears, respectively, with the triple tooth projecting in the figures and the other structure lines shown in dashed lines.
Detailed Description
The utility model provides a no intermittent type speed governing type hay cutting gearbox that does not provide, support in the gearbox box 5 and install power input shaft 20, transmission axle 18, transmission axle 10 and reverse drive shaft 6, still be equipped with reverse gear axle 12 in the box 5.
The power input shaft 20 is perpendicular to the other parallel shaft bodies.
The power input shaft 20 is connected with the transmission shaft 18 through a bevel gear pair. The driven bevel gear 16 of the bevel gear pair is freely arranged on a transmission shaft 18 in the radial direction, a clutch block 17 which slides along an axial slideway 19 and is in clutch fit with the end face of the driven bevel gear 16 is also arranged on the transmission shaft 18, the clutch block 17 is operated by a clutch handle 2 outside the box body, slides along the transmission shaft 18, approaches and is combined with the end face of the driven bevel gear 16, the power of the power input shaft 20 is transmitted to the transmission shaft 18, or is far away from and separated from the driven bevel gear 16, so that the transmission shaft 18 is separated from the driving of the power input shaft 20.
The reverse transmission shaft 6 and the transmission secondary shaft 10 are respectively connected through the meshing transmission of the upper reverse gear 24 and the lower reverse gear 11, and are respectively connected with the upper feeding roller and the lower feeding roller in an output mode.
The power for the reverse shaft 12 is derived from a drive shaft 18. The reverse shaft 12 is in gear transmission connection with the transmission shaft 18, and when the straw chopping machine normally operates, the reverse shaft 12 idles.
A variable-speed adjusting gear transmission pair is arranged between the first transmission shaft 18 and the second transmission shaft 10, a clutch block 17 is operated by a clutch handle 2, after the clutch block 17 is separated from a driven bevel gear 16, the variable-speed adjusting gear transmission pair is operated by a variable-speed handle 3 in a free state of the first transmission shaft 18, the feeding speed of the chopped forage is switched among high speed, low speed and medium speed, the chopping length of a high-speed long section, a low-speed short section and a medium-speed middle section is adjusted or is adjusted to a reverse gear, and then the clutch handle 2 is operated to combine the clutch block 17 with the driven bevel gear 16 to implement reverse gear forage spitting operation. As shown in fig. 3, the transmission pair of the speed-changing and adjusting gear has three speed-adjusting gears, including a high-speed gear 21, a low-speed gear pinion 22 and a medium-speed gear 23 which are arranged on the transmission shaft 18 and adjust the stroke interval in the speed-adjusting sequence from left to right, or a medium-speed gear 23, a low-speed gear pinion 22 and a high-speed gear 21 which are arranged in the speed-adjusting sequence from left to right, the transmission shaft 10 is axially provided with a triple gear 15 which is engaged with the three-speed ratio gear of the transmission shaft 18 in a sliding manner, and the triple gear 15 is operated by the speed-changing handle 3 to realize the operation of adjusting the feeding speed. The transmission gear 14 of the reverse gear shaft 12 is meshed with the large gear 21 of the transmission shaft 18, and the reverse gear shaft 12 idles when the normal hay cutting operation is carried out; the reverse shaft 12 is provided with a reverse gear 13, and the reverse gear 13 is arranged between strokes of a small gear 22 and a middle gear 23 in a speed regulating sequence of the transmission shaft 18 from left to right, or between strokes of a small gear 22 and a large gear 21 in a speed regulating sequence of the middle gear 23, the low gear small gear 22 and the high gear large gear 21 from left to right.
FIG. 3 shows a high-speed gear in which the triple gear 15 is engaged with the large gear 21, and long grass section cutting is performed; fig. 4 shows that the triple gear 15 is operated by the shift handle 3 to move rightwards to a neutral position, that is, a neutral position stroke is formed between the large gear 21 and the small gear 22, and the running state of each part can be checked by using the neutral position; the triple gear 15 is operated by the speed changing handle 3 and continuously moves rightwards to the position shown in figure 5, and is a low-speed gear of the triple gear 15 meshed with the pinion 22, and short grass sections are cut off; the triple gear 15 is operated by the gear shift handle 3 to further move rightwards to the position shown in fig. 6, namely, a middle gear fluted disc of the triple gear 15 is meshed with the reverse gear 13, or a low gear fluted disc corresponding to the sequence of a middle gear 23, a low gear pinion 22 and a high gear bull gear 21 from left to right on a transmission shaft 18 is meshed with the reverse gear 13, so that reverse gear operation is implemented; the triple gear 15 is operated by the speed changing handle 3 to move rightwards again to the position shown in fig. 7, the triple gear 15 is a medium-speed gear engaged with the medium gear 23, medium-speed section cutting is implemented, and the reverse gear 13 is located in a vacant position between a medium-speed gear disc and a high-speed gear disc of the triple gear 15.
The uninterrupted speed regulating type hay cutting gearbox is assembled to be used as a feeding mechanism of hay cutting equipment, and the complete machine hay cutting machine is capable of achieving non-stop speed regulation and non-stop reverse operation.
Claims (6)
1. A non-interruption speed-regulating straw cutting gearbox, a power input shaft (20), a transmission shaft (18), a transmission shaft (10) and a reverse transmission shaft (6) are supported and installed in a gearbox body (5), wherein the transmission two-shaft (10) is in gear transmission connection with the reverse transmission shaft (6), a variable speed adjusting gear transmission pair is arranged between the transmission one-shaft (18) and the transmission two-shaft (10), the variable speed adjusting gear pair is operated by a variable speed handle (3) outside the box body to change speed, the power input shaft (20) is connected with the transmission one-shaft (18) by a bevel gear pair, the transmission device is characterized in that the driven bevel gear (16) is freely arranged on a transmission shaft (18) in the radial direction, a clutch block (17) which slides along an axial slideway (19) and is matched with the clutch end of the driven bevel gear (16) is also arranged on the transmission shaft (18), and the clutch block (17) is operated by a clutch handle (2) outside the box body.
2. The continuous speed regulating type hay cutting gearbox according to claim 1, characterized in that the transmission pair of the speed regulating gear comprises a high-speed gear (21), a low-speed gear (22) and a medium-speed gear (23) which are arranged on the transmission shaft (18) for regulating the stroke interval and are arranged in the speed regulating sequence from left to right, or the medium-speed gear (23), the low-speed gear (22) and the high-speed gear (21) which are arranged in the speed regulating sequence from left to right, and further comprises a triple gear (15) which is arranged on the transmission shaft (10) in an axial sliding manner and is engaged with the three-speed ratio gear of the transmission shaft (18).
3. The continuous speed regulating type hay cutting gearbox according to claim 2, characterized in that a neutral gear is arranged between the high gear big gear (21) and the low gear small gear (22) of the transmission shaft (18) in the speed regulating sequence from left to right, or between the middle gear (23) and the low gear small gear (22) in the speed regulating sequence from left to right.
4. The continuous speed regulating type hay cutting gearbox according to claim 1 or 2, characterized in that a reverse gear shaft (12) is supported in the box body, and the reverse gear shaft (12) is in gear transmission connection with the transmission shaft (18).
5. The continuous speed regulating type hay cutting gearbox according to claim 4, wherein the reverse shaft (12) is provided with a reverse gear (13), the reverse gear (13) is arranged between the speed regulating strokes of the small gear (22) and the middle gear (23) of the transmission shaft in the speed regulating sequence from left to right, or between the speed regulating strokes of the small gear (22) and the large gear (21) in the speed regulating sequence from left to right.
6. A hay cutting apparatus incorporating the continuous speed governing type hay cutting gearbox as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020408756.0U CN212131212U (en) | 2020-03-26 | 2020-03-26 | Uninterrupted speed-regulating type hay cutting gearbox and hay cutting equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020408756.0U CN212131212U (en) | 2020-03-26 | 2020-03-26 | Uninterrupted speed-regulating type hay cutting gearbox and hay cutting equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131212U true CN212131212U (en) | 2020-12-11 |
Family
ID=73672711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020408756.0U Expired - Fee Related CN212131212U (en) | 2020-03-26 | 2020-03-26 | Uninterrupted speed-regulating type hay cutting gearbox and hay cutting equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131212U (en) |
-
2020
- 2020-03-26 CN CN202020408756.0U patent/CN212131212U/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 |
Granted publication date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |