CN205454678U - Two -degree -of -freedom hugs careless arm driving device - Google Patents
Two -degree -of -freedom hugs careless arm driving device Download PDFInfo
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- CN205454678U CN205454678U CN201620043417.0U CN201620043417U CN205454678U CN 205454678 U CN205454678 U CN 205454678U CN 201620043417 U CN201620043417 U CN 201620043417U CN 205454678 U CN205454678 U CN 205454678U
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Abstract
The utility model discloses a two -degree -of -freedom hugs careless arm driving device, hug careless arm including table drive mechanism, carousel and a plurality of, the table drive establishment of institution is located hub cover dish downside at carousel upside, carousel. Hub cover dish central siphon upper portion is supported on the carousel through two support bearing, and the lower part is supported on walking wheel support. A plurality ofly hug careless arm and become radial equipartition in the carousel outer fringe, and a plurality ofly hug the careless arm axle congruence and hand over in the carousel axle center. The lower disk body of carousel and every are hugged to be equipped with between the careless arm front end and are hugged careless arm swing mechanism, it includes planar cam, roller, follower and swing cover to hug careless arm swing mechanism. The utility model discloses simple structure, reliability be high, use the maintenance very convenient. The planar cam who directly moves the heart and the driven lever mechanism of peripheral cam make hug careless arm have rotate with wobbling two -degree -of -freedom, it puts forage grass to together to swing in careless gathers in ground one side and piles up more incompact swath hugging around the rotation of vertical axis core wire to hug careless arm, avoids forage grass to get rid of the recovery and cedes territory.
Description
Technical field
This utility model relates to a kind of elastic claw type rake, particularly relates to one and hugs grass arm and can rotate around center of turntable, can hug careless arm driving means around its axis oscillating again, belong to animal husbandry field of mechanical technique.
Background technology
The development produced along with animal husbandry, grass making machinery obtains using the most widely, to improve working performance, reduces labor intensity.On the radially loading of rotary rake heart rotary part wherein several hug grass arm, hug on grass arm equipped with row's elastic claw, when hugging grass operation, tractor-drawn rake advances, the power output shaft of tractor drives multiple grass arm of hugging while hugging grass around rotating disk vertical central lines rotation (revolution), again around hugging grass arm axis oscillating (rotation), side, herbage that herbage is put together to harvesting ground, pile up looser swath, thus during avoiding hugging grass, herbage gets rid of go back to herbage harvesting ground and produces and hug the problem that grass is the cleanest.In order to realize hugging grass arm around its axis oscillating, rotating disk guide rail, rocking arm and roller are set in rotating disk specially, it is high that rotating disk guide rail is provided with the low opposite side in side, and the ring-shaped guide rail groove that opening side opposite side upward is down, its structure complicated difficult, with machining, increases the manufacturing cost of rotary rake.
Utility model content
The purpose of this utility model is to provide a kind of two degrees of freedom and hugs grass arm driving means, and this apparatus structure is simple, easy maintenance and can reduce manufacturing cost.
This utility model is achieved by the following technical programs:
A kind of two degrees of freedom hugs grass arm driving means, including rotary disc driving mechanism, rotating disk and multiple hug grass arm, rotary disc driving mechanism is arranged on the upside of rotating disk, including taper gear pair and cover dish, described taper gear pair includes the active conical gear being inclined in cover dish side and is fixed on the passive conical gear circle on the upside of rotating disk, and actively conical gear engages with passive conical gear circle；Rotating disk is positioned on the downside of cover dish；Described cover disk center extends cover dish central siphon downward vertically, and described cover dish central siphon passes perpendicularly through center of turntable, and cover dish central siphon top is supported on rotating disk by two spring bearings, and cover dish central siphon lower support is on road wheel bracing frame；The most vertically disposed several elastic claw upper ends respectively with hug that grass arm outer end is vertical fixing to be connected；Multiple grass arms of hugging become the radial rotating disk outer rim that is distributed on, and multiple grass arm axle congruence of hugging meets at disk axes；Described rotating disk includes being fixedly connected into the upper disk body of one and lower disk body, it is provided with Lou Cao arm swing mechanism between grass arm front end at lower disk body and each hugging, described Lou Cao arm swing mechanism includes plane cam, roller, follower and swing set, plane cam is positioned at lower wall body, is fixed on cover dish central siphon lower end；The uniform multiple radial holes of lower disk body radially outer edge, follower includes follower lever and stage clip, every follower lever front end is through corresponding radial hole, termination, follower lever front end is hinged with roller, compression spring sleeve is on follower lever front end, stage clip two ends bear against on the stop collar in radial hole outward flange and radial hole, and roller is resisted against in plane cam outer rim；Follower lever rear end outer peripheral face is provided with two helicla flutes, and every helicla flute has a gag lever post to coordinate with it；Swing set is enclosed within to be hugged on grass arm front end, swings set rear end and is connected with hugging careless arm front end and fixing, and gag lever post passes across both sides in the middle part of swing set respectively, and gag lever post upper end is connected with swinging to overlap to fix, and gag lever post lower end embeds in helicla flute.
The purpose of this utility model can also be realized further by techniques below measure.
Further, also include follower lever position-limit mechanism, described follower lever position-limit mechanism is arranged between lower disk body and follower lever front end, including lateral pin and the axial kidney slot of follower lever front end up/down perforation, described axial kidney slot is positioned at stage clip rear end, lateral pin passes across lower disk body and axial kidney slot, and the extreme position moving follower lever is spacing.
Further, described plane cam is fan-shaped, and described plane cam is connected by trip bolt and road wheel bracing frame are fixing；Fan angle alpha=54 ° of described sector～58 °；Radius ratio R/r=5:3 at described fan-shaped two ends；Described plane cam uses 45# steel surface hardening, surface hardening hardness HRC50-58.
Further, described gag lever post lower end is bulb, and described bulb is embedded in helicla flute.
This utility model simple in construction, reliability are high, use and maintenance is very convenient.The uniform multiple radial holes of lower disk body radially outer edge at rotating disk, every follower lever front end is through corresponding radial hole, rotating disk is driven to rotate by rotary disc driving mechanism, thus drive into the radial multiple grass arm of hugging of rotating disk outer rim that is distributed on and rotate (revolution) around rotating disk vertical central lines, again by the follower lever termination roller of Lou Cao arm swing mechanism against the rotation of plane cam outer rim, this utility model hugs grass arm around follower lever axial line swing (rotation) by the follower lever mechanism of the plane cam of heart direct acting and peripheral cam realizes every, make to hug grass arm and there is the two degrees of freedom rotating and swinging.Hug grass arm rotates around vertical central lines hug grass while carry out swinging side, harvesting ground of being put together to by herbage, pile up looser swath, thus avoid herbage to get rid of back to herd and gather in ground.
Advantage of the present utility model and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, it is only used as example referring to the drawings and is given.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the tooth-like rake of rotating missile；
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1；
Fig. 3 is I zoomed-in view of Fig. 1.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in FIG. 1 to 3, this utility model includes that rotary disc driving mechanism 1, rotating disk 2 and 10 hug grass arm 3, rotary disc driving mechanism 1 is arranged on the upside of rotating disk 2, including taper gear pair 11 and cover dish 4, described taper gear pair 11 includes the active conical gear 111 being inclined in cover dish 4 side and is fixed on the passive conical gear circle 112 on the upside of rotating disk 2, and actively conical gear 111 engages with passive conical gear circle 112.Rotating disk 2 is positioned on the downside of cover dish 4, and cover dish central siphon 41 is extended at cover dish 4 center downward vertically, and described cover dish central siphon 41 passes perpendicularly through rotating disk 2 center, and its top is supported on rotating disk 2 by two spring bearings 5, and its underpart is supported on road wheel bracing frame 6.
4 elastic claw 31 upper ends the most vertically disposed respectively with hug that grass arm 3 outer end is vertical fixing to be connected, hug grass arm 3 for 10 and become radial rotating disk 2 outer rim that is distributed on, and 10 are hugged careless arm 3 axis and intersect at rotating disk 2 axle center.Rotating disk 2 includes being fixedly connected into the upper disk body 21 of one and lower disk body 22, it is provided with Lou Cao arm swing mechanism 7 between grass arm 3 front end at lower disk body 22 and each hugging, described Lou Cao arm swing mechanism 7 includes plane cam 71, roller 72, follower 73 and swings set 74, and the plane cam 71 being positioned at lower disk body 22 is fixed on cover dish central siphon 41 lower end.The uniform multiple radial holes 221 of lower disk body 22 radially outer edge, follower 73 includes follower lever 731 and stage clip 732, every follower lever 731 front end is through corresponding radial hole 221, termination, follower lever 731 front end is hinged with roller 72, stage clip 732 is enclosed within follower lever 731 front end, stage clip 732 two ends bear against on the stop collar 222 in radial hole 221 outward flange and radial hole 221, and roller 72 is resisted against in plane cam 71 outer rim.Follower lever 731 rear end outer peripheral face is provided with two helicla flutes 733, and every helicla flute 733 has a gag lever post 75 to coordinate with it.Swing set 74 is enclosed within to be hugged on grass arm 3 front end, swings set 74 rear ends and hugs the weldering of careless arm 3 front end even, and gag lever post 75 passes across both sides in the middle part of swing set 74 respectively, and gag lever post 75 upper end is threadably secured with swing set 74 and is connected, and gag lever post 75 lower end embeds in helicla flute 733.
This utility model also includes being arranged on follower lever position-limit mechanism 76 between lower disk body 22 and follower lever 731 front end, including lateral pin 761 and the axial kidney slot 762 of follower lever 731 front end up/down perforation, described axial kidney slot 762 is positioned at stage clip 732 rear end, lateral pin 741 passes across lower disk body 22 and axial kidney slot 762, the extreme position moving follower lever 731 is spacing, it is ensured that the movable exact position of follower lever 731.
Plane cam 71 is fan-shaped, and described plane cam 71 is connected by trip bolt 77 is fixing with road wheel bracing frame 6, it is ensured that plane cam 71 maintains static.Fan-shaped fan angle alpha=54 °～58 °, preferably 56 °.Radius ratio R/r=5:3 at fan-shaped two ends makes follower lever 731 have enough impulse strokes.Plane cam 71 uses 45# steel surface hardening, its surface hardening hardness HRC50-58, it is ensured that plane cam 71 has longer working life.
The roller 72 of termination, follower lever 731 front end of the present utility model is resisted against in fixed plane cam 71 outer rim, hug grass arm 3 and rotate (revolution) by the follower lever 731 of its front end around rotating disk 2 vertical central lines, due to radius ratio R/r=5:3 in fan-shaped plan cam 71 two ends, follower lever 731 as peripheral cam helicla flute 732 thereon when rotating around plane cam 71 outer rim is produced move axially, swing set 74 swing being secured to connect is driven again by gag lever post 75, so that swing set 74 rear ends hug grass arm 3 around its axis oscillating (rotation), achieve and hug the grass binary function of arm 3.
In addition to the implementation, this utility model can also have the technical scheme that other embodiments, all employing equivalents or equivalent transformation are formed, and all falls within the protection domain of this utility model requirement.
Claims (6)
1. a two degrees of freedom hugs grass arm driving means, including rotary disc driving mechanism, rotating disk and multiple hug grass arm, rotary disc driving mechanism is arranged on the upside of rotating disk, including taper gear pair and cover dish, described taper gear pair includes the active conical gear being inclined in cover dish side and is fixed on the passive conical gear circle on the upside of rotating disk, and actively conical gear engages with passive conical gear circle；Rotating disk is positioned on the downside of cover dish；Described cover disk center extends cover dish central siphon downward vertically, and described cover dish central siphon passes perpendicularly through center of turntable, and cover dish central siphon top is supported on rotating disk by two spring bearings, and cover dish central siphon lower support is on road wheel bracing frame；The most vertically disposed several elastic claw upper ends respectively with hug that grass arm outer end is vertical fixing to be connected；It is characterized in that: multiple grass arms of hugging become the radial rotating disk outer rim that is distributed on, and multiple grass arm axle congruence of hugging meets at disk axes；Described rotating disk includes being fixedly connected into the upper disk body of one and lower disk body, it is provided with Lou Cao arm swing mechanism between grass arm front end at lower disk body and each hugging, described Lou Cao arm swing mechanism includes plane cam, roller, follower and swing set, plane cam is positioned at lower wall body, is fixed on cover dish central siphon lower end；The uniform multiple radial holes of lower disk body radially outer edge, follower includes follower lever and stage clip, every follower lever front end is through corresponding radial hole, termination, follower lever front end is hinged with roller, compression spring sleeve is on follower lever front end, stage clip two ends bear against on the stop collar in radial hole outward flange and radial hole, and roller is resisted against in plane cam outer rim；Follower lever rear end outer peripheral face is provided with two helicla flutes, and every helicla flute has a gag lever post to coordinate with it；Swing set is enclosed within to be hugged on grass arm front end, swings set rear end and is connected with hugging careless arm front end and fixing, and gag lever post passes across both sides in the middle part of swing set respectively, and gag lever post upper end is connected with swinging to overlap to fix, and gag lever post lower end embeds in helicla flute.
2. two degrees of freedom as claimed in claim 1 hugs grass arm driving means, it is characterized in that: also include follower lever position-limit mechanism, described follower lever position-limit mechanism is arranged between lower disk body and follower lever front end, including lateral pin and the axial kidney slot of follower lever front end up/down perforation, described axial kidney slot is positioned at stage clip rear end, lateral pin passes across lower disk body and axial kidney slot, and the extreme position moving follower lever is spacing.
3. two degrees of freedom as claimed in claim 1 hugs grass arm driving means, it is characterised in that: described plane cam is fan-shaped, and described plane cam is connected by trip bolt and road wheel bracing frame are fixing.
4. two degrees of freedom as claimed in claim 3 hugs grass arm driving means, it is characterised in that: fan angle alpha=54 ° of described sector～58 °；Radius ratio R/r=5:3 at fan-shaped two ends.
5. two degrees of freedom as claimed in claim 1 hugs grass arm driving means, it is characterised in that: described plane cam uses 45# steel surface hardening, surface hardening hardness HRC50-58.
6. two degrees of freedom as claimed in claim 1 hugs grass arm driving means, it is characterised in that: described gag lever post lower end is bulb, and described bulb is embedded in helicla flute.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620043417.0U CN205454678U (en) | 2016-01-18 | 2016-01-18 | Two -degree -of -freedom hugs careless arm driving device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620043417.0U CN205454678U (en) | 2016-01-18 | 2016-01-18 | Two -degree -of -freedom hugs careless arm driving device |
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| CN205454678U true CN205454678U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474886A (en) * | 2016-01-18 | 2016-04-13 | 中外合资沃得重工（中国）有限公司 | Two-freedom-degree pasture raking arm driving device |
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2016
- 2016-01-18 CN CN201620043417.0U patent/CN205454678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105474886A (en) * | 2016-01-18 | 2016-04-13 | 中外合资沃得重工（中国）有限公司 | Two-freedom-degree pasture raking arm driving device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201022 Address after: No.55 Guangyuan Road, Dantu new town, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU WODE HIGH-TECH AGRICULTURAL EQUIPMENT Co.,Ltd. Address before: 212143, No. 55, Guangyuan Road, Dantu Xincheng Road, Dantu District, Jiangsu, Zhenjiang Patentee before: SINO-FOREIGN JOINT VENTURE WORLD HEAVY INDUSTRY (CHINA) Co.,Ltd. |