JPH01111697U

JPH01111697U -

Info

Publication number: JPH01111697U
Application number: JP584788U
Authority: JP
Priority date: 1988-01-19
Filing date: 1988-01-19
Publication date: 1989-07-27

Description

[Brief explanation of the drawing]

第１図乃至第５図は第１の実施例を表わす図面
であつて、第１図は本考案に係るアタツチメント
の取付け構造を具備するフオークリフトトラツク
におけるマスト装置の全体を表わす正面図、第２
図はアタツチメントとしてチエーンカバーを取り
付けた状態を表わすチエーンホイールサポート部
分の拡大図、第３図は同アタツチメント取付け部
分の分解図、第４図は同アタツチメントの側面図
、第５図は第２図におけるＡ―Ａ線断面図である
。第６図は第２の実施例を表わす図面であつて、
アタツチメントとして他のチエーンカバーを取り
付けた状態を表わすチエーンホイールサポート部
分の拡大図である。第７図は第３の実施例を表わ
す図面であつて、アタツチメントとしてチエーン
カバーとホースプーリを取り付けた状態を表わす
チエーンホイールサポート部分の拡大図である。
又、第８図乃至第１４図は従来構造を表わす図面
であつて、第８図はマスト装置の正面図、第９図
はアタツチメントとしてチエーンカバーを取り付
けた状態を表わすチエーンホイールサポート部分
の拡大図、第１０図は同平面図、第１１図はアタ
ツチメントとして上記チエーンカバーに加えて他
のチエーンカバーを取り付けた状態を表わすチエ
ーンホイールサポート部分の拡大図、第１２図は
第１１図におけるＢ―Ｂ線断面図、第１３図はア
タツチメントとしてチエーンカバーとホースプー
リを取り付けた状態を表わすチエーンホイールサ
ポート部分の拡大図、第１４図は第１３図におけ
るＣ―Ｃ線断面図である。１……マスト装置、２……アウターマスト、３
，４，５……タイビーム、６……インナーマスト
、７，８，９……タイビーム、１０……ブラケツ
ト、１１……リフトシリンダ、１１Ａ……シリン
ダチユーブ、１２……ブラケツト、１３……リフ
トシリンダ、１３Ａ……シリンダチユーブ、１３
Ｂ……ピストンロツド、１４……チエーンホイー
ルサポート、１４Ａ……サポート本体部、１４Ｂ
……支軸部、１５……チエーンホイール、１６…
…ベアリング、１７……チエーン、１８……螺子
穴、１９……ピン穴、２０……リフトブラケツト
、２１……フインガーバー、２２……チエーンカ
バー、２２Ａ……垂直部、２２Ｂ……水平部、２
３……通孔、２４……ボルト、２５……スプリン
グピン、２６……チエーンカバー、２６Ａ……垂
直部、２６Ｂ……水平部、２７……ボルト、２８
……頭部、２９……プーリ軸、３０……通孔、３
１……プーリ、３２……ホース。 1 to 5 are drawings showing a first embodiment, in which FIG. 1 is a front view showing the entire mast device in a forklift truck equipped with an attachment mounting structure according to the present invention, and FIG.
The figure is an enlarged view of the chain wheel support part with the chain cover attached as an attachment, Figure 3 is an exploded view of the attachment mounting part, Figure 4 is a side view of the attachment, and Figure 5 is the same as in Figure 2. It is a sectional view taken along the line AA. FIG. 6 is a drawing showing the second embodiment,
FIG. 3 is an enlarged view of the chain wheel support portion showing a state in which another chain cover is attached as an attachment. FIG. 7 is a drawing showing the third embodiment, and is an enlarged view of the chain wheel support portion showing a state in which a chain cover and a hose pulley are attached as attachments.
Furthermore, FIGS. 8 to 14 are drawings showing the conventional structure, with FIG. 8 being a front view of the mast device, and FIG. 9 being an enlarged view of the chain wheel support portion showing a state in which a chain cover is attached as an attachment. , FIG. 10 is a plan view of the same, FIG. 11 is an enlarged view of the chain wheel support part showing a state in which another chain cover is attached in addition to the above chain cover as an attachment, and FIG. 12 is a B-B in FIG. 11. 13 is an enlarged view of the chain wheel support portion showing a state in which a chain cover and a hose pulley are attached as attachments, and FIG. 14 is a sectional view taken along the line CC in FIG. 13. 1... Mast device, 2... Outer mast, 3
, 4, 5... Tie beam, 6... Inner mast, 7, 8, 9... Tie beam, 10... Bracket, 11... Lift cylinder, 11A... Cylinder tube, 12... Bracket, 13... Lift cylinder , 13A...Cylinder tube, 13
B...Piston rod, 14...Chain wheel support, 14A...Support body, 14B
...Spindle part, 15...Chain wheel, 16...
... Bearing, 17 ... Chain, 18 ... Screw hole, 19 ... Pin hole, 20 ... Lift bracket, 21 ... Finger bar, 22 ... Chain cover, 22A ... Vertical part, 22B ... Horizontal part, 2
3...Through hole, 24...Bolt, 25...Spring pin, 26...Chain cover, 26A...Vertical part, 26B...Horizontal part, 27...Bolt, 28
...Head, 29...Pulley shaft, 30...Through hole, 3
1...Pulley, 32...Hose.

Claims

[Scope of utility model registration request]

Consisting of a support body and a support shaft protruding from the end of the support body, the support body is fixed to the tip of a piston rod that is inserted into the cylinder tube of the lift cylinder so as to be able to move up and down. In a chain wheel support for a forklift truck in which a chain wheel is freely rotatably supported, a screw hole and a pin hole are bored in the end face of the support shaft, and the attachment corresponds to the screw hole. A through hole for the bolt is opened, a spring pin is provided protrudingly in correspondence with the pin hole, the bolt is inserted through the through hole, the threaded portion thereof is screwed into the screw hole, and the spring pin is inserted into the pin hole. A mounting structure for an attachment in a forklift truck chain wheel support that is inserted into a hole.