CN109578553A - Belt pulley, Bo He mechanism and harvester - Google Patents
Belt pulley, Bo He mechanism and harvester Download PDFInfo
- Publication number
- CN109578553A CN109578553A CN201710893384.8A CN201710893384A CN109578553A CN 109578553 A CN109578553 A CN 109578553A CN 201710893384 A CN201710893384 A CN 201710893384A CN 109578553 A CN109578553 A CN 109578553A
- Authority
- CN
- China
- Prior art keywords
- working face
- moving plate
- price fixing
- belt
- face
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 230000004308 accommodation Effects 0.000 claims description 30
- 238000010586 diagram Methods 0.000 description 4
- 241001124569 Lycaenidae Species 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/04—Harvesting of standing crops of rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
- A01D57/02—Devices for leading crops to the mowing apparatus using reels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The present invention relates to agricultural machinery technological fields, more particularly, to a kind of belt pulley, Bo He mechanism and harvester.The belt pulley, including price fixing and Moving plate；Moving plate includes the first working face and the second working face being oppositely arranged；First working face of Moving plate can form belt grooves between the working face of price fixing；Overturning Moving plate can make to form belt grooves between the second working face of Moving plate and the working face of price fixing.The Bo He mechanism, including the belt pulley.The harvester, including the Bo He mechanism.The present invention has stronger practicability, and is conducive to increase speed adjustable range.
Description
Technical field
The present invention relates to agricultural machinery technological fields, more particularly, to a kind of belt pulley, Bo He mechanism and harvester.
Background technique
Currently, existing crawler type rice machine is in order to meet upright, part lodging and completely lodging etc. Different Crop
Normal harvesting under state needs that the revolving speed of winder is adjusted, and the revolving speed of winder is by speed change gear tune mostly
Section, and existing speed regulation device is realized by the combination of single-stage or the belt wheel of two-stage different-diameter, in speed regulation device, three
Cuticle band is connect with the belt wheel transmission of winder end, and by adjusting the working diameter of belt wheel, adjustable V belt is being adjusted
Working diameter in speed variator to realize the rotational speed regulation to belt wheel, and then adjusts the revolving speed of winder, but this speed regulation fills
It sets and haves the shortcomings that practicability is poor, adjustable speed range is small.
Summary of the invention
The purpose of the present invention is to provide a kind of belt pulley, Bo He mechanism and harvesters, to solve to exist in the prior art
Speed regulation device there are practicabilities poor, the small technical problem of adjustable speed range.
The present invention provides a kind of belt pulleys, including price fixing and Moving plate；The Moving plate includes the first work being oppositely arranged
Face and the second working face；First working face of the Moving plate can form belt grooves between the working face of the price fixing；
Overturning the Moving plate can make to form belt grooves between second working face of the Moving plate and the working face of the price fixing.
Further, the width size of the belt grooves formed between the price fixing and the Moving plate can be adjusted.
Further, the first accommodation groove is offered on first working face and/or second working face, for accommodating
The setting section of the working face of the price fixing is big with the width for adjusting the belt grooves formed between the price fixing and the Moving plate
It is small.
Further, the second accommodation groove is offered on the working face of the price fixing, worked for accommodating the Moving plate first
The setting section of second working face of the setting section and/or receiving Moving plate in face, to adjust the price fixing and the Moving plate
Between the width size of belt grooves that is formed.
Further, when offering the first accommodation groove on first working face, first accommodation groove is located at described the
The middle part of one working face.
Further, when offering the first accommodation groove on second working face, first accommodation groove is located at described the
The middle part of two working faces.
Further, washer is clamped between first working face and the working face of the price fixing of the Moving plate；
Or, being clamped with washer between second working face and the working face of the price fixing of the Moving plate.
Further, the working face of the price fixing includes Moving plate contact surface and the first belt contacts face；First belt
Contact surface is around Moving plate contact surface edge；
First working face of the Moving plate includes the second belt contacts face to match with first belt contacts face.
Further, the working face of the price fixing includes Moving plate contact surface and the first belt contacts face；First belt
Contact surface is around Moving plate contact surface edge；
Second working face of the Moving plate includes the third belt contacts face to match with first belt contacts face.
The present invention also provides a kind of Bo He mechanisms, including the belt pulley.
The present invention also provides a kind of harvesters, including the Bo He mechanism.
Compared with prior art, the invention has the benefit that
Belt pulley provided by the invention, including price fixing and Moving plate；Moving plate includes the first working face and second being oppositely arranged
Working face；First working face of Moving plate can form belt grooves between the working face of price fixing；Overturning Moving plate can make Moving plate
Belt grooves are formed between second working face and the working face of price fixing.After two faces of Moving plate are designed as working face, just
In the processing to Moving plate, and make Moving plate that there is stronger practicability；In addition, since Moving plate is designed to two working faces,
Therefore the adjusting of speed is realized convenient for changing the structure of two working faces, to be conducive to increase speed adjustable range.
The present invention also provides Bo He mechanism, including the belt pulley.It is based on above-mentioned analysis it is found that provided by the invention
Bo He mechanism has stronger practicability, and is conducive to increase speed adjustable range.
The present invention also provides harvester, including the Bo He mechanism.It is based on above-mentioned analysis it is found that provided by the invention
Harvester has stronger practicability, and is conducive to increase speed adjustable range.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural representation when the second contact surface of Moving plate in the embodiment of the present invention one is in contact with the contact surface of price fixing
Figure；
Fig. 2 is clamped with structural schematic diagram when washer for Moving plate in the embodiment of the present invention one with price fixing；
Fig. 3 be the first accommodation groove of Moving plate in the embodiment of the present invention one towards Moving plate when folder structural schematic diagram；
Fig. 4 is clamped with another structural schematic diagram when washer for Moving plate in the embodiment of the present invention one with price fixing；
Fig. 5 is provided with structural representation when the first accommodation groove for two working faces of Moving plate in the embodiment of the present invention one
Figure；
Fig. 6 offers structural schematic diagram when working face for the working face of price fixing in the embodiment of the present invention two.
In figure:
101- price fixing；102- Moving plate；The first working face of 103-；The second working face of 104-；105- belt grooves；106- first holds
Set slot；107- washer；108- Moving plate contact surface；The first belt contacts of 109- face；The second belt contacts of 110- face；111- third skin
Band contact surface；114- price fixing contact surface；115- bolt；The second accommodation groove of 116-；117- support shaft；118- V belt.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Referring to figs. 1 to 5, the embodiment of the present invention one provides a kind of belt pulley, including price fixing 101 and Moving plate 102；
Moving plate includes the first working face 103 and the second working face 104 being oppositely arranged, that is to say, that the first working face 103 and the second work
Make face 104 and is respectively facing opposite direction；First working face 103 of Moving plate can form belt grooves between the working face of price fixing
105；Overturning Moving plate can make to form belt grooves 105 between the second working face 104 of Moving plate and the working face of price fixing.
Specifically, in use, the first working face 103 of Moving plate can be made opposite with the working face of price fixing to be formed and be held
The belt grooves 105 of V belt are set, the second working face 104 can also be kept opposite with the working face of price fixing by overturning Moving plate, with
The belt grooves 105 of accommodating V belt 118 are formed, belt grooves 105 are tapered, that is to say, that the groove width of belt grooves 105 is by notch
It is gradually reduced to slot bottom.
Belt pulley provided in an embodiment of the present invention, after two faces of Moving plate are designed as working face, convenient for dynamic
The processing of disk, and make Moving plate that there is stronger practicability；In addition, since Moving plate is designed to two working faces, just
The adjusting of speed is realized in the structure for changing two working faces, to be conducive to increase speed adjustable range.
In the optional scheme of the embodiment, the width size of the belt grooves 105 formed between the price fixing and the Moving plate
It can adjust.
Specifically, the first accommodation groove 106 is offered on the first working face 103 and/or the second working face 104, for holding
Receive price fixing working face setting section, to adjust the width size of the belt grooves 105 formed between price fixing and Moving plate.It needs bright
, in the embodiment, when being by adjusting, will increase or reduce the spacing between price fixing and Moving plate, so belt grooves 105 are not
The groove width to exist together can become larger or reduce accordingly.
In the embodiment, the first accommodation groove 106 is offered on the first working face 103, in this way when the first working face 103 and calmly
When the working face of disk is opposite, the setting section of the working face of price fixing can convex the first accommodation groove into the first working face 103
106, it just can effectively reduce the belt grooves 105 formed between the working face of price fixing and the first working face 103 of Moving plate in this way
Groove width can realize and the revolving speed of winder is adjusted so that the working diameter of V belt also changes accordingly
Section.
It should be noted that the first accommodation groove 106 can also be offered on the second working face 104 in the embodiment,
That is in two working faces of Moving plate, it can be to there is the first accommodation groove 106 on only one working face, it can also two work
There is the first accommodation groove 106 (shown in Figure 5) on face.In addition, price fixing can also be fixed there are two working face in the embodiment
It can also also slot on disk, the structure of two disks of price fixing and Moving plate can be identical, so during installation, can not have to consider price fixing
The case where filling position position with Moving plate only need to install and both can be used, and can the groove width to belt grooves 105 more adjusted
Leeway.
In the optional scheme of the embodiment, the first accommodation groove 106 is located at the middle part of the first working face 103, that is to say, that the
The middle part of the disk positioned at Moving plate of one accommodation groove 106.
It should be noted that first accommodation groove 106 is located at when offering the first accommodation groove 106 on the second working face 104
The middle part of second working face 104.
In the optional scheme of the embodiment, washer is clamped between the first working face 103 and the working face of price fixing of Moving plate
107；Or, being clamped with washer 107 between the second working face 104 and the working face of price fixing of Moving plate.
Specifically, passing through the first work in Moving plate when the first working face 103 of Moving plate is opposite with the working face of price fixing
Make the washer 107 that different number is clamped between face 103 and the working face of price fixing, with what is formed between realization adjusting price fixing and Moving plate
The width size of belt grooves 105；When the second working face 104 of Moving plate is opposite with the working face of price fixing, by the of Moving plate
The washer 107 of different number is clamped between two working faces 104 and the working face of price fixing, adjusts shape between price fixing and Moving plate to realize
At belt grooves 105 width size.Washer 107 can be Model For The Bush-axle Type Parts.
In the optional scheme of the embodiment, the working face of price fixing includes Moving plate contact surface 108 and the first belt contacts face
109, the first belt contacts face 109 is around 108 edge of Moving plate contact surface；It is fixed when washer 107 is not added between price fixing and Moving plate
The Moving plate contact surface 108 of disk can be in contact with the first working face 103 of Moving plate, or 104 phase of the second working face with Moving plate
Contact.First belt contacts face 109 can be in contact with the inclined-plane of V belt.
In the optional scheme of the embodiment, the first working face 103 of Moving plate includes matching with the first belt contacts face 109
The second belt contacts face 110；Second belt contacts face 110 can be in contact with another inclined-plane of V belt.
In the optional scheme of the embodiment, the second working face 104 of Moving plate includes matching with the first belt contacts face 109
Third belt contacts face 111；Second belt contacts face 110 can be in contact with another inclined-plane of V belt.The of Moving plate
Two working faces 104 further include price fixing contact surface 114, when washer 107 is not added between price fixing and Moving plate, the second working face of Moving plate
104 price fixing contact surface 114 can be in contact with the working face of price fixing.
It should be noted that when offering the first accommodation groove 106 on the second working face 104, and do not have on the first working face
When the first accommodation groove, the first working face 103 of Moving plate further includes price fixing contact surface 114.In the embodiment, Moving plate and price fixing can be
Other shapes that can be realized two-sided speed regulation degree.
In the embodiment, the second belt contacts face 110 of Moving plate with 111 inclined direction of third belt contacts face on the contrary, and
Second belt contacts face 110, third belt contacts face 111 are inclined to set with the axis of Moving plate respectively, for making the disk of Moving plate
The thickness of edge is gradually reduced from inside to outside.
In the optional scheme of the embodiment, the setting section of the working face of price fixing includes at least Moving plate contact surface 108.
In the optional scheme of the embodiment, price fixing is fixedly connected with Moving plate by fastener, which can be bolt
115, or U-shaped card hoop can also use other screw tightenings.In addition, when fastener is bolt 115, and it is tight using nut
Gu when, nut can be Fast dismountable screw nut.
Embodiment two
Belt pulley in the present embodiment is improvement on the basis of embodiment one, and technology contents disclosed in embodiment one are not
Repeated description, one disclosure of embodiment also belong to the present embodiment disclosure.
It is shown in Figure 6, in the embodiment, the second accommodation groove 116 is offered on the working face of price fixing, for accommodating Moving plate
The setting section of second working face 104 of the setting section and/or receiving Moving plate of the first working face 103, to adjust price fixing and move
The width size of the belt grooves 105 formed between disk.By opening up the second accommodation groove 116, Ke Yizeng on the working face of price fixing
The width adjustable extent of big belt grooves 105 to be conducive to have biggish speed adjustable range in making belt wheel specifically, namely meets and receives
The speed regulation requirement of different conditions crop is obtained, failure rate is reduced, reduces cost.
Embodiment three
The embodiment also provides a kind of belt pulley, the belt pulley of the embodiment describe the price fixing and the Moving plate it
Between another implementation that can adjust of the width size of belt grooves that is formed, the technical solution of embodiment one in addition to this
The embodiment is also belonged to, is not repeated to describe.
In the embodiment, the second accommodation groove is offered on the working face of price fixing, for accommodating setting for the first working face of Moving plate
The setting section of fixed part and/or the second working face for accommodating Moving plate, to adjust the belt grooves formed between price fixing and Moving plate
Width size.It should be noted that two working faces of Moving plate can be without the first accommodation groove in the embodiment.
In conclusion the belt pulley that the embodiment provides, is capable of increasing the adjustable speed range of belt wheel, meets and harvest different shapes
The speed regulation requirement of state crop, simplifies structure, reduces failure rate, reduce cost；In addition, the belt pulley reduces difficulty of processing, weight
Amount is light, improves utilization rate and service life, has the characteristics that practical.
Example IV
The embodiment of the present invention four provides a kind of Bo He mechanism, including any embodiment into embodiment three of embodiment one mentions
The belt pulley of confession.Bo He mechanism further includes support shaft 117 (shown in Figure 1), and belt pulley is fixed in support shaft 117.
Embodiment five
The embodiment of the present invention five provides a kind of harvester, the Bo He mechanism provided including example IV.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other implementations
Certain features rather than other feature included by example, but the combination of the feature of different embodiments means in the present invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed
It is one of any can in any combination mode come using.
Claims (10)
1. a kind of belt pulley, which is characterized in that including price fixing and Moving plate；The Moving plate include the first working face for being oppositely arranged and
Second working face；First working face of the Moving plate can form belt grooves between the working face of the price fixing；Overturning
The Moving plate can make to form belt grooves between second working face of the Moving plate and the working face of the price fixing.
2. belt pulley according to claim 1, which is characterized in that first working face and/or second working face
On offer the first accommodation groove, the setting section of the working face for accommodating the price fixing, to adjust the price fixing and described dynamic
The width size of the belt grooves formed between disk.
3. belt pulley according to claim 1 or 2, which is characterized in that offer the second appearance on the working face of the price fixing
Slot is set, for accommodating the setting of the setting section of first working face of Moving plate and/or the second working face of the receiving Moving plate
Part, to adjust the width size of the belt grooves formed between the price fixing and the Moving plate.
4. belt pulley according to claim 2, which is characterized in that offer the first accommodation groove on first working face
When, first accommodation groove is located at the middle part of first working face.
5. belt pulley according to claim 2, which is characterized in that offer the first accommodation groove on second working face
When, first accommodation groove is located at the middle part of second working face.
6. belt pulley according to claim 1 or 2, which is characterized in that first working face of the Moving plate with it is described
Washer is clamped between the working face of price fixing；
Or, being clamped with washer between second working face and the working face of the price fixing of the Moving plate.
7. belt pulley according to claim 1 or 2, which is characterized in that the working face of the price fixing includes Moving plate contact surface
With the first belt contacts face；First belt contacts face is around Moving plate contact surface edge；
First working face of the Moving plate includes the second belt contacts face to match with first belt contacts face.
8. belt pulley according to claim 1 or 2, which is characterized in that the working face of the price fixing includes Moving plate contact surface
With the first belt contacts face；First belt contacts face is around Moving plate contact surface edge；
Second working face of the Moving plate includes the third belt contacts face to match with first belt contacts face.
9. a kind of Bo He mechanism, which is characterized in that including belt pulley such as of any of claims 1-8.
10. a kind of harvester, which is characterized in that including Bo He mechanism as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893384.8A CN109578553A (en) | 2017-09-28 | 2017-09-28 | Belt pulley, Bo He mechanism and harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893384.8A CN109578553A (en) | 2017-09-28 | 2017-09-28 | Belt pulley, Bo He mechanism and harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578553A true CN109578553A (en) | 2019-04-05 |
Family
ID=65912539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710893384.8A Pending CN109578553A (en) | 2017-09-28 | 2017-09-28 | Belt pulley, Bo He mechanism and harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578553A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH223593A (en) * | 1941-01-13 | 1942-09-30 | Colombes Goodrich Pneumatique | Variable diameter pulley. |
| CH256917A (en) * | 1946-05-31 | 1948-09-15 | Salvatico Giovanni | Pulley with multiple V-belts with variable diameter. |
| FR960911A (en) * | 1950-04-27 | |||
| FR998062A (en) * | 1949-09-28 | 1952-01-14 | Improvements to variable diameter grooved pulleys | |
| GB739508A (en) * | 1953-01-17 | 1955-11-02 | Fahr Ag Maschf | Vee-belt pulley, especially for vee-belt drives in reaper-threshers and like machines |
| US4391595A (en) * | 1982-02-18 | 1983-07-05 | The J. B. Foote Foundry Co. | Variable speed, multiple component pulley |
| US20040171443A1 (en) * | 2003-01-24 | 2004-09-02 | Lombardini S.R.L. | Automatic, mechanical, continuously variable transmission, particularly for a heavy-duty vehicle |
| TW201105879A (en) * | 2009-03-10 | 2011-02-16 | Pan-Chien Lin | Self-tensioning pulley apparatus for belt drive |
| CN105697695A (en) * | 2016-03-02 | 2016-06-22 | 九方泰禾国际重工(青岛)股份有限公司 | Harvester fan speed adjusting device with tensioning function and speed adjusting method |
| CN106958630A (en) * | 2017-05-17 | 2017-07-18 | 河南瑞创通用机械制造有限公司 | One kind has grade adjustable straps wheel and a pulley tensioner |
| CN207178634U (en) * | 2017-09-28 | 2018-04-03 | 雷沃重工股份有限公司 | Belt pulley, Bo He mechanisms and harvester |
-
2017
- 2017-09-28 CN CN201710893384.8A patent/CN109578553A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR960911A (en) * | 1950-04-27 | |||
| CH223593A (en) * | 1941-01-13 | 1942-09-30 | Colombes Goodrich Pneumatique | Variable diameter pulley. |
| CH256917A (en) * | 1946-05-31 | 1948-09-15 | Salvatico Giovanni | Pulley with multiple V-belts with variable diameter. |
| FR998062A (en) * | 1949-09-28 | 1952-01-14 | Improvements to variable diameter grooved pulleys | |
| GB739508A (en) * | 1953-01-17 | 1955-11-02 | Fahr Ag Maschf | Vee-belt pulley, especially for vee-belt drives in reaper-threshers and like machines |
| US4391595A (en) * | 1982-02-18 | 1983-07-05 | The J. B. Foote Foundry Co. | Variable speed, multiple component pulley |
| US20040171443A1 (en) * | 2003-01-24 | 2004-09-02 | Lombardini S.R.L. | Automatic, mechanical, continuously variable transmission, particularly for a heavy-duty vehicle |
| TW201105879A (en) * | 2009-03-10 | 2011-02-16 | Pan-Chien Lin | Self-tensioning pulley apparatus for belt drive |
| CN105697695A (en) * | 2016-03-02 | 2016-06-22 | 九方泰禾国际重工(青岛)股份有限公司 | Harvester fan speed adjusting device with tensioning function and speed adjusting method |
| CN106958630A (en) * | 2017-05-17 | 2017-07-18 | 河南瑞创通用机械制造有限公司 | One kind has grade adjustable straps wheel and a pulley tensioner |
| CN207178634U (en) * | 2017-09-28 | 2018-04-03 | 雷沃重工股份有限公司 | Belt pulley, Bo He mechanisms and harvester |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Applicant after: Weichai leiwo Heavy Industry Co.,Ltd. Address before: 261000 No.192, Beihai South Road, Fangzi District, Weifang City, Shandong Province Applicant before: LOVOL HEAVY INDUSTRY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Applicant after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Applicant before: Weichai leiwo Heavy Industry Co.,Ltd. |
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| CB02 | Change of applicant information |