JPH0270615U

JPH0270615U -

Info

Publication number: JPH0270615U
Application number: JP14898088U
Authority: JP
Priority date: 1988-11-14
Filing date: 1988-11-14
Publication date: 1990-05-29

Description

[Brief explanation of drawings]

第１図は、実施例の平面図。第２図は、実施例
の側面図。第３図は、部品４の一部省略拡大図。
第４図は、従来例のトラクタ前輪分担荷重を表す
図。第５図は、本考案のトラクタ前輪分担荷重を
表す図。第６図は、従来例の平面図。１は被牽引車、２は入力軸、３，３ａはユニバ
ーサル伝動軸、４は等速ジヨイント部、５は被牽
引桿、６，６ａは連結軸、７，７ａは中間伝動軸
、８は連結フレーム、９はヒツチ、１０はトラク
タ駆動部、１１はロアリンクピン、１２はロアリ
ンク、１３は連結軸部、１４，１５，１６はシン
グルジヨイント、１７はトラクタ後輪、１８はヨ
ーク、１９はクロスジヤーナル、２０は軸受アツ
センブリー、２１は中央ハウジング、２３は伝動
軸、ｃ，ｅは間隔、ｄ，ｆはトラクタホイールベ
ース、ｈはユニバーサル伝動軸、ｉは前輪分担荷
重、ｊは前輪分担荷重。 FIG. 1 is a plan view of the embodiment. FIG. 2 is a side view of the embodiment. FIG. 3 is a partially omitted enlarged view of the component 4.
FIG. 4 is a diagram showing the load shared by the front wheels of a conventional tractor. FIG. 5 is a diagram showing the load shared by the front wheels of the tractor according to the present invention. FIG. 6 is a plan view of a conventional example. 1 is the towed vehicle, 2 is the input shaft, 3, 3a are the universal transmission shafts, 4 is the constant velocity joint, 5 is the towed rod, 6, 6a are the connection shafts, 7, 7a are the intermediate transmission shafts, 8 is the connection Frame, 9 is a hitch, 10 is a tractor drive unit, 11 is a lower link pin, 12 is a lower link, 13 is a connecting shaft, 14, 15, 16 are single joints, 17 is a tractor rear wheel, 18 is a yoke, 19 is the cross journal, 20 is the bearing assembly, 21 is the central housing, 23 is the transmission shaft, c, e are the spacing, d, f are the tractor wheel base, h is the universal transmission shaft, i is the front wheel shared load, j is the front wheel shared load .

Claims

[Scope of utility model registration request]

A towed vehicle 1 having a tractor and working equipment is connected to a connecting frame 8 having an intermediate transmission shaft 7 and a connecting shaft portion 13.
The drive unit 10 of the tractor and the intermediate transmission shaft 7 are connected via a transmission shaft 23 to drive the working equipment, and the intermediate transmission shaft 7 and the towed vehicle input shaft 2 connected by a universal transmission shaft 3,
The connection shaft portion 13 is formed close to the rear end portion of the intermediate transmission shaft 7 of the connection frame 8, and the universal transmission shaft 3 has a constant velocity joint portion 4 that connects the intermediate transmission shaft 7 and the towed vehicle 1. A tractor coupling device characterized in that a speed joint portion 4 is provided so as to substantially coincide with the bending point of the coupling shaft 6.