CN105351453A - Gear box of hay cutter - Google Patents
Gear box of hay cutter Download PDFInfo
- Publication number
- CN105351453A CN105351453A CN201510871142.XA CN201510871142A CN105351453A CN 105351453 A CN105351453 A CN 105351453A CN 201510871142 A CN201510871142 A CN 201510871142A CN 105351453 A CN105351453 A CN 105351453A
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- CN
- China
- Prior art keywords
- gear
- shaft
- driven
- driven shaft
- driving shaft
- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to a gear box of a hay cutter. The gear box comprises a gear box body, a gear box cover, a driving shaft gear assembly, a driven shaft gear assembly, an output shaft assembly, a first gear change lever and a second gear change lever. On the basis that the speed of a driving shaft is changed through the second gear change lever, the speed of a driven shaft is changed through the first gear change lever, so that transformation output of four rotation speeds of the driven shaft and an output shaft is achieved, and the use requirements for transformation of various hay cutting lengths are fully met.
Description
Technical field
What the present invention relates to is agricultural hay cutter gearbox, enters especially for hay cutter the gearbox that material roller carries out speed governing.
Background technique
Agricultural hay cutter material entrance place is provided with a pair feed roller, adjusts feed rate by the rotating speed adjusting feed roller, i.e. the careless length of adjustment hand hay cutter.
The transmission gear shift regulating device of prior art hay cutter feed roller is had nothing in common with each other.
CN022742379 patent open a kind of " speed change gear of feed hay cutter ", see accompanying drawing 1, shown in Fig. 2, it includes gearbox casing a1, driving shaft a3, driven shaft a2, gear shift cover a5, be fixedly mounted on the umbrella gear a4 on driving shaft a3, driving shaft gearwheel a6, driving shaft small gear a10, be rotatably installed in the driven shaft small gear a13 on driven shaft a2, driven shaft gearwheel a11, be fixedly mounted on the driven shaft output gear a17 on driven shaft a2, be arranged on the first gear change hand lever a7 on gear shift cover a5, be connected to the shifting block on the first gear change hand lever a7, feather key coordinates the speed change clutch slider a12 be arranged on driven shaft a2, be located at the output shaft a9 on gear shift cover a5, be fixedly mounted on the driven gear a8 on output shaft a9.
Above-mentioned prior art, bevel pinion a15 on cutter head of ensilage cutter main shaft a15 end coordinates with the umbrella gear a4 of driving shaft and drives driving shaft a3 to rotate, by moving left and right being connected in conjunction with pin a16 on the speed change clutch slider a12 on driven shaft a2 and the driven shaft small gear a13 on driven shaft a2 or driven shaft gearwheel a11, driven shaft small gear a13 or driven shaft gearwheel a11 and driven shaft a2 is made to realize being in transmission connection, realize driven shaft a2: fast-empty-slow, speed change, then by the output shaft gear a8 on driven shaft output gear a17 transmission output shaft a9, output shaft a9 is driven to rotate.
Above-mentioned prior art can only realize the speed change between two rotating speeds, output shaft a9 driven feed roll adjustment rotating speed, thus adjustment feed rate.It can only adjust the careless length of hand hay cutter and select between two length, can not meet the functional need to the multiple conversion of the careless length of hand hay cutter.
Summary of the invention
The object of the invention is, for above-mentioned the deficiencies in the prior art, to improve, the hay cutter gearbox having more grades of velocity transformations that a kind of structure is simple, easily manufactured is provided.
The present invention includes gearbox casing 1, driving shaft 3, driven shaft 2, gear shift cover 5, be arranged on the umbrella gear 4 on driving shaft 3, be fixedly mounted on the driving shaft gearwheel 6 on driving shaft 3, driving shaft small gear 10, be rotatably installed in the driven shaft small gear 13 on driven shaft 2, driven shaft gearwheel 11, be fixedly mounted on the driven shaft output gear 17 on driven shaft 2, be arranged on the first gear change hand lever 7 on gear shift cover 5, be connected to the shifting block 71 on the first gear change hand lever 7, feather key between driven shaft small gear 13 and driven shaft gearwheel 11 coordinates the speed change clutch slider 12 be arranged on driven shaft 2, be located at the output shaft 9 on gear shift cover 5, be fixedly mounted on the driven gear 8 on output shaft 9.
Bevel pinion on cutter spindle end coordinates with the umbrella gear 4 on driving shaft 3 and drives the umbrella gear 4 on driving shaft 3 to rotate.
The driving shaft gearwheel 6 be fixedly mounted on driving shaft 3 engages with the driven shaft small gear 13 be rotatably installed on driven shaft 2, and the driving shaft small gear 10 be fixedly mounted on driving shaft 3 engages with the driven shaft gearwheel 11 be rotatably installed on driven shaft 2.
Driven gear 8 on output shaft 9 on gear shift cover 5 engages with the driven shaft output gear 17 be fixedly mounted on driven shaft 2.
The first gear change hand lever 7 be installed on gear shift cover 5 moves left and right speed change clutch slider 12 and being connected in conjunction with pin 16 on driven shaft small gear 13 or driven shaft gearwheel 11 by shifting block 71, drive driven shaft small gear 13 or driven shaft gearwheel 11 to be in transmission connection with driven shaft 2, realize fast-empty-slow speed change of driven shaft 2.
It is characterized in that: be fixedly connected with on driving shaft 3 and be provided with the second largest gear c1 of driving shaft and driving shaft second small gear c2.
The umbrella gear 4 of driving shaft 3 is integrally fixedly connected with driving gear c3, and umbrella gear 4 and driving gear c3 and driving shaft 3 are coordinated by bearing element to be installed.
On driven shaft 2, fixed installation is provided with driven shaft driven gear c4, and driven shaft driven gear c4 engages with the driving gear c3 on driving shaft 3.
Driven shaft 2 is slidably installed and is provided with duplicate gear c5, duplicate gear c5 is by gearwheel c51, connecting sleeve c53, small gear c52 and be fixedly installed the driving pin c54 be connected in gearwheel c51 end face outside and form, and driven shaft driven gear c4 has pin-and-hole c40 and driving pin c54 and is slidably matched and drives duplicate gear c5 to rotate with driven shaft driven gear c4.
Gear shift cover 5 is provided with the second gear change hand lever c6 and is connected to the shifting block c60 on second gear change hand lever c6 the inner, the groove c56 formed between the shifting block c60 of the second gear change hand lever c6 with the gearwheel c51 of duplicate gear c5 and small gear c52 coordinates, duplicate gear c5 is driven to horizontally slip, engaged with the driving shaft second small gear c2 on driving shaft 3 by the gearwheel c51 of duplicate gear c5, or nibbled by the second largest gear c1 of driving shaft on the small gear c52 of duplicate gear c5 and driving shaft 3.
During work: the second gear change hand lever c6 drives duplicate gear c5 to move left and right by the shifting block c60 on its inner.
Be neutral gear when the duplicate gear c5 on driven shaft 2 and speed change clutch slider 12 all mediate, the umbrella gear 4 on driving shaft 3 dallies, and driving shaft 3, driven shaft 2 do not turn.
When duplicate gear c5 moves right, when the gearwheel c51 of duplicate gear c5 engages with driving shaft second small gear c2, driving shaft 3 is driven to rotate.
When duplicate gear c5 is moved to the left, driving shaft 3 is driven to rotate when the small gear c52 of duplicate gear c5 engages with the second largest gear c1 of driving shaft, driving shaft 3 speed change.
At above-mentioned second gear change hand lever c6 on the basis of driving shaft 3 speed change, the first gear change hand lever 7 pairs driven shaft 2 carries out speed change, makes driven shaft 2 and output shaft 9 realize 4 transformation of speed and exports.
Structure of the present invention is simple, easily manufactured.Driving shaft 3 also serves as Jie's axle, realizes 4 rotating speed output transforms, fully meets the user demand of the multiple conversion of the careless length of hand hay cutter.
Accompanying drawing explanation
Accompanying drawing 1,2 is prior art structural representations, and wherein Fig. 2 is the plan view removing gear shift cover 5 of Fig. 1.
Fig. 3 is embodiment of the present invention constructional appearance schematic perspective view.
Fig. 4 is embodiment of the present invention structural representation.
Fig. 5 is Fig. 4 driving shaft 3 modular construction schematic diagram.
Fig. 6 is Fig. 4 driven shaft 2 modular construction schematic diagram.
Embodiment
The present invention includes gearbox casing 1, driving shaft 3, driven shaft 2, gear shift cover 5, be arranged on the umbrella gear 4 on driving shaft 3, be fixedly mounted on the driving shaft gearwheel 6 on driving shaft 3, driving shaft small gear 10, be rotatably installed in the driven shaft small gear 13 on driven shaft 2, driven shaft gearwheel 11, be fixedly mounted on the driven shaft output gear 17 on driven shaft 2, be arranged on the first gear change hand lever 7 on gear shift cover 5, be connected to the shifting block 71 on the first gear change hand lever 7, feather key between driven shaft small gear 13 and driven shaft gearwheel 11 coordinates the speed change clutch slider 12 be arranged on driven shaft 2, be located at the output shaft 9 on gear shift cover 5, be fixedly mounted on the driven gear 8 on output shaft 9, bevel pinion on cutter spindle end coordinates with the umbrella gear 4 on driving shaft 3 and drives the umbrella gear 4 on driving shaft 3 to rotate, the driving shaft gearwheel 6 be fixedly mounted on driving shaft 3 engages with the driven shaft small gear 13 be rotatably installed on driven shaft 2, and the driving shaft small gear 10 be fixedly mounted on driving shaft 3 engages with the driven shaft gearwheel 11 be rotatably installed on driven shaft 2, driven gear 8 on output shaft 9 on gear shift cover 5 engages with the driven shaft output gear 17 be fixedly mounted on driven shaft 2, the first gear change hand lever 7 be installed on gear shift cover 5 moves left and right speed change clutch slider 12 and being connected in conjunction with pin 16 on driven shaft small gear 13 or driven shaft gearwheel 11 by shifting block 71, drive driven shaft small gear 13 or driven shaft gearwheel 11 to be in transmission connection with driven shaft 2, realize fast-empty-slow speed change of driven shaft 2.
It is characterized in that being fixedly connected with on driving shaft 3 and be provided with the second largest gear c1 of driving shaft and driving shaft second small gear c2; The umbrella gear 4 of driving shaft 3 is integrally fixedly connected with driving gear c3, and umbrella gear 4 and driving gear c3 and driving shaft 3 are coordinated by bearing element to be installed.
On driven shaft 2, fixed installation is provided with driven shaft driven gear c4, and driven shaft driven gear c4 engages with the driving gear c3 on driving shaft 3; Driven shaft 2 is slidably installed and is provided with duplicate gear c5, duplicate gear c5 is by gearwheel c51, connecting sleeve c53, small gear c52 and be fixedly installed the driving pin c54 be connected in gearwheel c51 end face outside and form, and driven shaft driven gear c4 has pin-and-hole c40 and driving pin c54 and is slidably matched and drives duplicate gear c5 to rotate with driven shaft driven gear c4.
Gear shift cover 5 is provided with the second gear change hand lever c6 and is connected to the shifting block c60 on second gear change hand lever c6 the inner, the groove c56 formed between the shifting block c60 of the second gear change hand lever c6 with the gearwheel c51 of duplicate gear c5 and small gear c52 coordinates, duplicate gear c5 is driven to horizontally slip, engaged with the driving shaft second small gear c2 on driving shaft 3 by the gearwheel c51 of duplicate gear c5, or engaged with the second largest gear c1 of the driving shaft on driving shaft 3 by the small gear c52 of duplicate gear c5.
During work, the second gear change hand lever c6 drives duplicate gear c5 to move left and right by the shifting block c60 on its inner.
Be neutral gear when the duplicate gear c5 on driven shaft 2 and speed change clutch slider 12 all mediate, the umbrella gear 4 on driving shaft 3 dallies, and driving shaft 3, driven shaft 2 do not turn.
When duplicate gear c5 moves right, when the gearwheel c51 of duplicate gear c5 engages with driving shaft second small gear c2 (the driven shaft driven gear c4 on driven shaft 2 drives duplicate gear c5 power transmission driving shaft second small gear c2 by driving pin c54), driving shaft 3 is driven to rotate.
When duplicate gear c5 is moved to the left, when the small gear c52 of duplicate gear c5 engages with driving shaft second largest gear c1 (the driven shaft driven gear c4 on driven shaft 2 drives the second largest gear c1 of duplicate gear c5 power transmission driving shaft by driving pin c54), driving shaft 3 is driven to rotate, driving shaft 3 speed change.
At above-mentioned second gear change hand lever c6 on the basis of driving shaft 3 speed change, the first gear change hand lever 7 pairs driven shaft 2 carries out speed change, makes driven shaft 2 and output shaft 9 realize 4 transformation of speed and exports.
Claims (1)
1. hay cutter gearbox, include gearbox casing (1), driving shaft (3), driven shaft (2), gear shift cover (5), be arranged on the umbrella gear (4) on driving shaft (3), be fixedly mounted on the driving shaft gearwheel (6) on driving shaft (3), driving shaft small gear (10), be rotatably installed in the driven shaft small gear (13) on driven shaft (2), driven shaft gearwheel (11), be fixedly mounted on the driven shaft output gear (17) on driven shaft (2), be arranged on the first gear change hand lever (7) on gear shift cover (5), be connected to the shifting block (71) on the first gear change hand lever (7), the feather key be positioned between driven shaft small gear (13) and driven shaft gearwheel (11) coordinates the speed change clutch slider (12) be arranged on driven shaft (2), be located at the output shaft (9) on gear shift cover (5), be fixedly mounted on the driven gear (8) on output shaft (9),
Bevel pinion on cutter spindle end coordinates with the umbrella gear (4) on driving shaft (3) and drives the umbrella gear (4) on driving shaft (3) to rotate;
The driving shaft gearwheel (6) be fixedly mounted on driving shaft (3) engages with the driven shaft small gear (13) be rotatably installed on driven shaft (2), and the driving shaft small gear (10) be fixedly mounted on driving shaft (3) engages with the driven shaft gearwheel (11) be rotatably installed on driven shaft (2);
Driven gear (8) on output shaft (9) on gear shift cover (5) engages with the driven shaft output gear (11) be fixedly mounted on driven shaft (2);
The first gear change hand lever (7) be installed on gear shift cover (5) moves left and right speed change clutch slider (12) and being connected in conjunction with pin (16) on driven shaft small gear (13) or driven shaft gearwheel (11) by shifting block (71), drive driven shaft small gear (13) or driven shaft gearwheel (11) to be in transmission connection with driven shaft (2), realize fast-empty-slow speed change of driven shaft (2);
It is characterized in that: be fixedly connected with on driving shaft (3) 3 and be provided with the second largest gear of driving shaft (c1) and driving shaft second small gear (c2);
The umbrella gear (4) of driving shaft (3) is integrally fixedly connected with driving gear (c3), and umbrella gear (4) and driving gear (c3) and driving shaft (3) are coordinated by bearing element to be installed;
Be provided with driven shaft driven gear (c4) in the upper fixed installation of driven shaft (2), driven shaft driven gear (c4) engages with the driving gear (c3) on driving shaft (3);
Driven shaft (2) is slidably installed and is provided with duplicate gear (c5), duplicate gear (c5) is by gearwheel (c51), connecting sleeve (c53), small gear (c52) and be fixedly installed the driving pin (c54) be connected in gearwheel (c51) end face outside and form, and driven shaft driven gear (c4) has pin-and-hole (c40) and is slidably matched with driving pin (c54) and drives duplicate gear (c5) to rotate with driven shaft driven gear (c4);
Gear shift cover (5) is provided with the second gear change hand lever (c6) and is connected to the shifting block (c60) on the second gear change hand lever (c6) the inner, the shifting block (c60) of the second gear change hand lever (c6) coordinates with the groove (c56) formed between the gearwheel (c51) of duplicate gear (c5) and small gear (c52), duplicate gear (c5) is driven to horizontally slip, engaged with driving shaft second small gear (c2) on driving shaft (3) by the gearwheel (c51) of duplicate gear (c5), or engaged with the second largest gear of driving shaft (c1) on driving shaft (3) by the small gear (c52) of duplicate gear (c5),
During work: the second gear change hand lever (c6) drives duplicate gear (c5) to move left and right by the shifting block (c60) on its inner:
Be neutral gear when the duplicate gear (c5) on driven shaft (2) and speed change clutch slider (12) all mediate, umbrella gear (4) idle running on driving shaft (3), driving shaft (3), driven shaft (2) do not turn;
When duplicate gear (c5) moves right, driving shaft (3) when the gearwheel (c51) of duplicate gear (c5) engages with driving shaft second small gear (c2), is driven to rotate;
When duplicate gear (c5) is moved to the left, driving shaft (3) is driven to rotate when the small gear (c52) of duplicate gear (c5) engages with the second largest gear of driving shaft (c1), driving shaft (3) speed change;
Above-mentioned second gear change hand lever (c6) on the basis of driving shaft (3) speed change, the first gear change hand lever (7) carries out speed change to driven shaft (2), makes driven shaft (2) and output shaft (9) realize 4 transformation of speed and exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871142.XA CN105351453B (en) | 2015-12-02 | 2015-12-02 | Hay cutter gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871142.XA CN105351453B (en) | 2015-12-02 | 2015-12-02 | Hay cutter gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351453A true CN105351453A (en) | 2016-02-24 |
| CN105351453B CN105351453B (en) | 2017-09-26 |
Family
ID=55327489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510871142.XA Active CN105351453B (en) | 2015-12-02 | 2015-12-02 | Hay cutter gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351453B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195140A (en) * | 2016-08-30 | 2016-12-07 | 嘉善金亿精密铸件有限公司 | The drive mechanism that a kind of electric rotating aperture apparatus uses |
| CN113153985A (en) * | 2021-04-16 | 2021-07-23 | 凤城市草河机械制造有限公司 | Chopping and cutting feed transmission and application thereof in chopping and cutting machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210451U (en) * | 1987-08-18 | 1988-10-26 | 凤城满族自治县东风机械厂 | Hay and vegetable cutter |
| CN2367071Y (en) * | 1999-05-24 | 2000-03-08 | 石寿欣 | Hay cutter |
| CN2553615Y (en) * | 2002-07-18 | 2003-06-04 | 关晓丹 | Speed-transformation of feed cutting machine |
| DE102006037880A1 (en) * | 2006-08-11 | 2008-02-14 | Claas Selbstfahrende Erntemaschinen Gmbh | Self-propelled agricultural harvester, with a drive and cooling system, has a take-off to a crop handling unit with the air flow from its rotating gears passed to a heat carrier |
| CN201027923Y (en) * | 2006-11-22 | 2008-02-27 | 海盐县森泰工具制造有限公司 | Compact high-power speed transmission |
| CN201496485U (en) * | 2009-09-25 | 2010-06-02 | 山东时风（集团）有限责任公司 | Variable speed driving device for wheeled tractor |
| CN104728357A (en) * | 2015-03-25 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | Seven-gear single-box three-countershaft transmission |
| CN205331331U (en) * | 2015-12-02 | 2016-06-22 | 凤城市盛翔机械制造有限公司 | Hay cutter gearbox |
-
2015
- 2015-12-02 CN CN201510871142.XA patent/CN105351453B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210451U (en) * | 1987-08-18 | 1988-10-26 | 凤城满族自治县东风机械厂 | Hay and vegetable cutter |
| CN2367071Y (en) * | 1999-05-24 | 2000-03-08 | 石寿欣 | Hay cutter |
| CN2553615Y (en) * | 2002-07-18 | 2003-06-04 | 关晓丹 | Speed-transformation of feed cutting machine |
| DE102006037880A1 (en) * | 2006-08-11 | 2008-02-14 | Claas Selbstfahrende Erntemaschinen Gmbh | Self-propelled agricultural harvester, with a drive and cooling system, has a take-off to a crop handling unit with the air flow from its rotating gears passed to a heat carrier |
| CN201027923Y (en) * | 2006-11-22 | 2008-02-27 | 海盐县森泰工具制造有限公司 | Compact high-power speed transmission |
| CN201496485U (en) * | 2009-09-25 | 2010-06-02 | 山东时风（集团）有限责任公司 | Variable speed driving device for wheeled tractor |
| CN104728357A (en) * | 2015-03-25 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | Seven-gear single-box three-countershaft transmission |
| CN205331331U (en) * | 2015-12-02 | 2016-06-22 | 凤城市盛翔机械制造有限公司 | Hay cutter gearbox |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195140A (en) * | 2016-08-30 | 2016-12-07 | 嘉善金亿精密铸件有限公司 | The drive mechanism that a kind of electric rotating aperture apparatus uses |
| CN113153985A (en) * | 2021-04-16 | 2021-07-23 | 凤城市草河机械制造有限公司 | Chopping and cutting feed transmission and application thereof in chopping and cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351453B (en) | 2017-09-26 |
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