JPH0458435U

JPH0458435U -

Info

Publication number: JPH0458435U
Application number: JP10241690U
Authority: JP
Priority date: 1990-09-28
Filing date: 1990-09-28
Publication date: 1992-05-19

Description

[Brief explanation of the drawing]

第１図〜第５図は本考案の一実施例を示し、第
１図はロータリジヨイントの平面図、第２図はそ
の縦断面図、第３図は警報回路を示す旋回ポスト
周辺の斜視図、第４図は作業車の側面図、第５図
は旋回ポスト及びブーム周辺の斜視図である。１……車体、４……荷台、６……旋回ポスト、
７……ブーム、１２……ロータリジヨイント、１
６ｃ……第３接触リング、１６ｄ……切欠き部（
絶縁部）、１７ｃ……第３カーボンブラシ。 Figures 1 to 5 show an embodiment of the present invention, with Figure 1 being a plan view of the rotary joint, Figure 2 being a longitudinal sectional view thereof, and Figure 3 being a perspective view of the area around the pivot post showing the alarm circuit. 4 is a side view of the working vehicle, and FIG. 5 is a perspective view of the swing post and the vicinity of the boom. 1... Vehicle body, 4... Loading platform, 6... Swivel post,
7...Boom, 12...Rotary joint, 1
6c...Third contact ring, 16d...Notch (
Insulating part), 17c...Third carbon brush.

補正平３．１１．１９考案の名称を次のように補正する。考案の名称荷役車両の旋回位置検出装置実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 3/11/19 The name of the invention is amended as follows. Title of the invention Turning position detection device for cargo handling vehicles The scope of the utility model registration claim and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】車体に回転自在に支持された旋回体と、該旋回体と車体との間に設けられ、少なくとも
電気系統を連繋するロータリジヨイントとを備え
た荷役車両において、前記ロータリジヨイントには接触リングと該接
触リングに対して通電可能に接触するブラシとよ
りなる給電手段が少なくとも１つ設けられ、前記接触リング及びブラシのいずれか一方は、
前記旋回体と回転一体に設けられており、前記接触リングには、その円周方向の所定位置
に該接触リングと前記ブラシとの間の通電を遮断
する絶縁部が設けられていることを特徴とする荷
役車両の旋回位置検出装置。[Claims for Utility Model Registration] A cargo handling vehicle comprising a revolving body rotatably supported by a vehicle body, and a rotary joint provided between the revolving body and the vehicle body and connecting at least an electrical system, comprising: The rotary joint is provided with at least one power supply means consisting of a contact ring and a brush that contacts the contact ring in an electrically conductive manner, and either the contact ring or the brush includes:
The contact ring is provided to rotate integrally with the revolving body, and the contact ring is provided with an insulating portion at a predetermined position in the circumferential direction to cut off current flow between the contact ring and the brush. A turning position detection device for cargo handling vehicles.

【図面の簡単な説明】第１図〜第５図は本考案の一実施例を示し、第
１図はロータリジヨイントの平面図、第２図はそ
の縦断面図、第３図は警報回路を示す旋回ポスト
周辺の斜視図、第４図はクレーン車の側面図、第
５図は旋回ポスト及びブーム周辺の斜視図である
。１……車体、６……旋回ポスト（旋回体）、１
２……ロータリジヨイント、１６ｃ……第３接触
リング、１６ｄ……切欠き部（絶縁部）、１７ｃ
……第３カーボンブラシ。[Brief Description of the Drawings] Figures 1 to 5 show an embodiment of the present invention, in which Figure 1 is a plan view of the rotary joint, Figure 2 is a longitudinal sectional view thereof, and Figure 3 is an alarm circuit. FIG. 4 is a side view of the crane vehicle, and FIG. 5 is a perspective view of the area around the swing post and boom. 1...Vehicle body, 6...Swivel post (swivel body), 1
2... Rotary joint, 16c... Third contact ring, 16d... Notch (insulating part), 17c
...Third carbon brush.

Claims

[Scope of Claim for Utility Model Registration] A swing post rotatably supported on the vehicle body, a boom mounted on the swing post such that it can rise and fall freely, and a boom that is disposed close to the boom and is mounted so as to be tiltable with respect to the vehicle body. A cargo handling vehicle, comprising: a cargo platform that is tilted; a platform driving means for tilting the cargo platform; and a rotary joint that is provided between the vehicle body and the swing post and that connects at least an electrical system. The int is provided with at least one power supply means consisting of a contact ring and a brush contacting the contact ring in an electrically conductive manner, the power supply means being connected to the platform driving means, and the contact ring having: A cargo handling vehicle, characterized in that an insulating part is provided for cutting off power supply to the platform driving means in a boom rotation area where the boom is located within a tilting range of the platform.