JPH0252509U - - Google Patents

Info

Publication number
JPH0252509U
JPH0252509U JP13045988U JP13045988U JPH0252509U JP H0252509 U JPH0252509 U JP H0252509U JP 13045988 U JP13045988 U JP 13045988U JP 13045988 U JP13045988 U JP 13045988U JP H0252509 U JPH0252509 U JP H0252509U
Authority
JP
Japan
Prior art keywords
casing
arm
main shaft
cylindrical part
lift
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.)
Granted
Application number
JP13045988U
Other languages
Japanese (ja)
Other versions
JPH0729775Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP13045988U priority Critical patent/JPH0729775Y2/en
Publication of JPH0252509U publication Critical patent/JPH0252509U/ja
Application granted granted Critical
Publication of JPH0729775Y2 publication Critical patent/JPH0729775Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のリフトアーム支持構造を示す断
面図、第２図は本考案に係る一実施例の昇降装置
を搭載した農用作業車の一部斜視図、第３図は該
昇降装置におけるリフトアームの支持構造を示す
側断面図、第４図は第３図の―断面図である
。 １…油圧シリンダ、１ａ…ケーシング、１ｂ…
円筒部、２…ピストン、３…コンロツド、４…カ
ラー、５…主軸、５ａ…中央スプライン軸、５ｂ
…端部スプライン軸、６…クランクアーム、６ａ
…円筒部、７…ワツシヤ、８…枢軸、９…リフト
アーム、９ａ…基端部、１０…ワツシヤ、１１…
止板、１２…ボルト、１３…ダストシール、５０
…農用作業車、５１…後輪、５２…後方ボデイ、
５３…ロータリ耕耘機、５４…ブラケツト、５５
…アツパーリンク、５６…ロワーリンク、５７…
連結リンク、５８…シリンダ、５９…ロツド。 Fig. 1 is a sectional view showing a conventional lift arm support structure, Fig. 2 is a partial perspective view of an agricultural vehicle equipped with an elevating device according to an embodiment of the present invention, and Fig. 3 is a lift in the elevating device. FIG. 4 is a side cross-sectional view showing the support structure of the arm, and FIG. 4 is a cross-sectional view taken from FIG. 1...Hydraulic cylinder, 1a...Casing, 1b...
Cylindrical part, 2...Piston, 3...Conrod, 4...Collar, 5...Main shaft, 5a...Central spline shaft, 5b
...End spline shaft, 6...Crank arm, 6a
... Cylindrical portion, 7... Washer, 8... Pivot, 9... Lift arm, 9a... Base end portion, 10... Washer, 11...
Stop plate, 12... Bolt, 13... Dust seal, 50
...Agricultural work vehicle, 51...Rear wheel, 52...Rear body,
53... Rotary tiller, 54... Bracket, 55
...Upper link, 56...Lower link, 57...
Connection link, 58... cylinder, 59... rod.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ケーシングに回動自在に支持された主軸の中央
にクランクアームがスプライン嵌合され、前記ケ
ーシングより左右へ突出して主軸両端にリフトア
ームがスプライン嵌合されるリフトアームの支持
構造において、クランクアームとリフトアームと
の間でケーシングが円筒部を形成して主軸を支持
し、同円筒部の内側面とクランクアームの嵌合部
側面との間にワツシヤを介在させ、前記ケーシン
グの円筒部の外側面とリフトアームの嵌合部内側
面との間にワツシヤを介在させたことを特徴とす
るリフトアームの支持構造。 In a lift arm support structure, a crank arm is spline-fitted to the center of a main shaft rotatably supported by a casing, and lift arms projecting left and right from the casing are spline-fitted to both ends of the main shaft. The casing forms a cylindrical part between the arm and supports the main shaft, a washer is interposed between the inner surface of the cylindrical part and the side surface of the fitting part of the crank arm, and the outer surface of the cylindrical part of the casing A support structure for a lift arm, characterized in that a washer is interposed between the inner surface of a fitting part of the lift arm.
JP13045988U 1988-10-06 1988-10-06 Lift arm support structure Expired - Lifetime JPH0729775Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13045988U JPH0729775Y2 (en) 1988-10-06 1988-10-06 Lift arm support structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13045988U JPH0729775Y2 (en) 1988-10-06 1988-10-06 Lift arm support structure

Publications (2)

Publication Number Publication Date
JPH0252509U true JPH0252509U (en) 1990-04-16
JPH0729775Y2 JPH0729775Y2 (en) 1995-07-12

Family

ID=31385647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13045988U Expired - Lifetime JPH0729775Y2 (en) 1988-10-06 1988-10-06 Lift arm support structure

Country Status (1)

Country Link
JP (1) JPH0729775Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007506907A (en) * 2003-06-24 2007-03-22 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Bearings between components in construction civil machinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007506907A (en) * 2003-06-24 2007-03-22 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Bearings between components in construction civil machinery

Also Published As

Publication number Publication date
JPH0729775Y2 (en) 1995-07-12

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