JP3072512B2 - Lift truck - Google Patents
Lift truckInfo
- Publication number
- JP3072512B2 JP3072512B2 JP10316849A JP31684998A JP3072512B2 JP 3072512 B2 JP3072512 B2 JP 3072512B2 JP 10316849 A JP10316849 A JP 10316849A JP 31684998 A JP31684998 A JP 31684998A JP 3072512 B2 JP3072512 B2 JP 3072512B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- hose
- pressure hose
- hydraulic cylinder
- joint
- 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.)
- Expired - Lifetime
Links
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は例えば荷物を積んだ
パレットをフォーク形荷台に載せて運搬するリフトトラ
ックに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lift truck for transporting, for example, pallets loaded with goods on a fork-type carrier.
【０００２】[0002]
【発明が解決しようとする課題】従来、荷台を支える油
圧シリンダに高圧ホースを固定させて油圧ポンプを接続
させる場合、油圧シリンダ軸芯回りに後輪を方向転換さ
せることにより、高圧ホースが押引変形していたから、
前記高圧ホースの短尺化並びに損傷防止などを容易に行
い得ない等の問題がある。Conventionally, when a high-pressure hose is fixed to a hydraulic cylinder supporting a loading platform and a hydraulic pump is connected, the high-pressure hose is pushed and pulled by turning the rear wheel around the hydraulic cylinder axis. Because it was deformed,
There is a problem that the length of the high-pressure hose cannot be shortened and damage prevention cannot be easily performed.
【０００３】[0003]
【課題を解決するための手段】然るに、本発明は、荷台
の支持部に内設する上昇用油圧ポンプと、操向輪を操向
ハンドルとに連結する荷台昇降用油圧シリンダと、これ
ら油圧ポンプ及びシリンダ間を油圧接続する高圧ホース
とを備え、前記油圧シリンダのピストン上端を半球体を
介し回動自在に支持部の受圧頭に当接支持させ、前記ピ
ストン上端部でピストン軸芯回りに回転自在に継手ブラ
ケットを取付け、前記高圧ホース一端側のホース継手を
継手ブラケットに接続させると共に、支持部の固定座に
ホース継手を連結させたもので、操向ハンドルによって
操向輪を方向転換することにより、油圧シリンダ及びピ
ストンが回転されても、高圧ホースが略一定姿勢に維持
されるから、油圧ポンプとピストン間の最短距離で高圧
ホースを配置し得、高圧ホースの短尺化による配管油圧
抵抗の低減並びに高圧ホースの機体内側格納による損傷
防止などを容易に行い得ると共に、ホース継手を荷台の
支持部に固定座を介して連結させることにより、荷台の
略一定位置に略一定姿勢で高圧ホースを支持し得、前記
ホース継手と高圧ホース間の接続部に引張り力などが作
用して油漏れ等の不具合が生じるのを容易に防止し得、
耐久性向上並びにメンテナンス作業などの簡略化を容易
に図り得るものである。Means for Solving the Problems] However, the present invention is the loading platform
Lift hydraulic pump and steering wheel installed inside the support section
Hydraulic cylinder for lifting and lowering the loading platform connected to the handle and this
High pressure hose for hydraulic connection between hydraulic pump and cylinder
And the upper end of the piston of the hydraulic cylinder is a hemisphere.
Rotatably supports the pressure receiving head of the support section through the
A joint bra that can rotate freely around the piston axis at the upper end of the stone
Attach the bracket and connect the hose joint at one end of the high-pressure hose.
Connect to the joint bracket and to the fixed seat of the support
A high-pressure hose is maintained in a substantially constant posture even when the hydraulic cylinder and piston are rotated by turning the steered wheels with the steering handle. the shortest distance to place the high pressure hose resulting reduction of the pipe hydraulic resistance by shortening of and damage prevention by inboard storage of high pressure hose and the like with obtaining easily perform high-pressure hose, the hose fitting bed of the
The Rukoto is connected via a fixed seat support part, obtained by supporting a high pressure hose at a substantially constant posture substantially constant position of the loading platform, such as tensile force in the connection between the hose coupling and the high-pressure hose acts oil Leaks and other problems can be easily prevented,
It is possible to easily improve durability and simplify maintenance work and the like.
【０００４】また、荷台の支持部上面に停止操作具を設
け、停止操作具を上方から加圧操作して緊急停止スイッ
チをオンとさせるとき電源を切にするように構成したも
ので、電気配線の短絡などによって誤動作しても、作業
者が停止操作具を上方から叩くだけで緊急停止させ得、
不測事態の発生に対して作業者が機敏に対応して作業を
速やかに中止させ得るものである。Further, a stop operation tool is provided on the upper surface of the support portion of the carrier, and the stop operation tool is pressed from above to perform an emergency stop switch.
When the switch is turned on, the power is turned off.Even if a malfunction occurs due to a short circuit in the electric wiring, etc., the operator can stop the emergency operation only by hitting the stop operation tool from above,
The operator can respond promptly to the occurrence of an unexpected situation and quickly stop the operation.
【０００５】[0005]
【発明の実施の形態】以下本発明の実施例を図面に基づ
いて詳述する。図１は全体の側面図、図２は同平面図、
図３は油圧シリンダ部の断面図であり、荷物（Ａ）を載
せるフォーク形荷台（１）のフォーク（１ａ）先端部に
左右前輪（２）を装設させると共に、電動上昇モータ
（３）によって駆動する油圧ポンプ（４）並びにバッテ
リ（５）などを荷台（１）後部の山形支持部（６）に内
設させる。Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an overall side view, FIG. 2 is a plan view of the same,
FIG. 3 is a cross-sectional view of the hydraulic cylinder section, in which left and right front wheels (2) are mounted at the tip of a fork (1a) of a fork-type carrier (1) on which a load (A) is placed, and an electric motor (3) is used. The hydraulic pump (4) to be driven, the battery (5), and the like are provided inside the chevron support (6) at the rear of the carrier (1).
【０００６】さらに、ピストン（７）を上方に出入させ
る単動型油圧シリンダ（８）を略垂直に立設させ、油圧
シリンダ（８）下部に操向輪（９）を取付け、また前輪
（２）を荷台（１）昇降と連動して下方に出入させるリ
ンク（１０）を油圧シリンダ（８）に連結させると共
に、前記油圧シリンダ（８）に支点フレーム（１１）を
介して操向ハンドル（１２）を起伏自在に取付け、バネ
（１３）によって操向ハンドル（１２）を起立させる。
そして、操向ハンドル（１２）を後方に倒して油圧シリ
ンダ（８）回りに左右に揺動させ、操向輪（９）を左右
に方向転換させるように構成している。Further, a single-acting hydraulic cylinder (8) for vertically moving the piston (7) up and down is set up substantially vertically, and a steering wheel (9) is mounted below the hydraulic cylinder (8). ) Is connected to a hydraulic cylinder (8) and a steering handle (12) is connected to the hydraulic cylinder (8) via a fulcrum frame (11). ) Is mounted so as to be able to move up and down, and the steering handle (12) is erected by the spring (13).
Then, the steering wheel (12) is tilted backward to swing left and right around the hydraulic cylinder (8), and the steering wheel (9) is turned left and right.
【０００７】また、前記荷台（１）の山形支持部（６）
に受圧頭（１４）を一体固定させ、受圧頭（１４）に下
方側から半球体（１５）を介してピストン（７）上端を
当接させ、ピストン（７）の出入によって山形支持部を
昇降させ、かつ前記リンク（１０）によって前輪（２）
を出入させ、荷台（１）を略水平に保ち乍ら昇降させ
る。[0007] The chevron support (6) of the carrier (1).
The pressure receiving head (14) is integrally fixed to the pressure receiving head (14), the upper end of the piston (7) is brought into contact with the pressure receiving head (14) from below through a hemisphere (15), and the chevron support is moved up and down by the piston (7) coming in and out. And the front wheel (2) by the link (10)
And the platform (1) is raised and lowered while keeping the carrier (1) substantially horizontal.
【０００８】また、前記ピストン（７）上端部外周に継
手ブラケット（１６）を回転自在に嵌着させ、継手ブラ
ケット（１６）にホース継手（１７）を螺着固定させ、
ホース継手（１７）に可撓性高圧ホース（１８）の一端
側を接続固定させると共に、前記山形支持部（６）に一
体固定させた固定座（１９）にホース継手（１７）を連
結させ、前記ピストン（７）の軸芯回りの回転に対して
継手ブラケット（１６）を遊転支持させるもので、前記
ピストン（７）内部に油路（２０）を形成し、該油路
（２０）を介して油圧シリンダ（８）内部のシリンダ室
（２１）に高圧ホース（１８）を油圧接続させている。
そして、操向ハンドル（１２）によって操向輪（９）を
方向転換させることにより、油圧シリンダ（８）及びピ
ストン（７）が軸芯回りに回転したとき、継手ブラケッ
ト（１６）に対してピストン（７）が空転し、ホース継
手（１７）及び高圧ホース（１８）が略一定位置に略一
定姿勢で支持されると共に、固定座（１９）の連結によ
ってホース継手（１７）及び高圧ホース（１８）が山形
支持部（６）に対して相対位置及び相対姿勢が常に略一
定に保たれるように構成している。A joint bracket (16) is rotatably fitted to the outer periphery of the upper end of the piston (7), and a hose joint (17) is screwed and fixed to the joint bracket (16).
One end of a flexible high-pressure hose (18) is connected and fixed to the hose joint (17), and the hose joint (17) is connected to a fixing seat (19) integrally fixed to the chevron support (6). An oil passage (20) is formed inside the piston (7) to allow the joint bracket (16) to freely rotate with respect to the rotation of the piston (7) around its axis. A high-pressure hose (18) is hydraulically connected to a cylinder chamber (21) inside the hydraulic cylinder (8) via the same.
The steering wheel (9) is turned by the steering handle (12), so that when the hydraulic cylinder (8) and the piston (7) rotate around the axis, the piston moves relative to the joint bracket (16). (7) idles, the hose joint (17) and the high-pressure hose (18) are supported at a substantially constant position in a substantially constant posture, and the hose joint (17) and the high-pressure hose (18) are connected by the connection of the fixed seat (19). ) Is configured such that the relative position and the relative attitude with respect to the chevron support (6) are always kept substantially constant.
【０００９】上記から明らかなように、荷物（Ａ）を載
せる荷台（１）に油圧ポンプ（４）を設け、荷台（１）
を昇降自在に支持させる油圧シリンダ（８）に操向ハン
ドル（１２）及び操向輪（９）を取付けるリフトトラッ
クにおいて、前記油圧ポンプ（４）と油圧シリンダ
（８）を油圧接続させる高圧ホース（１８）及びホース
継手（１７）を設け、前記荷台（１）に連結させる油圧
シリンダ（８）のピストン（７）上端部でピストン
（７）軸芯回りに回転自在に前記ホース継手（１７）を
取付けている。そして、操向ハンドル（１２）によって
操向輪（９）を方向転換することにより、油圧シリンダ
（８）及びピストン（７）が回転されても、高圧ホース
（１８）が略一定姿勢に維持され、油圧ポンプ（４）と
ピストン（７）間の最短距離で高圧ホース（１８）を配
置し、高圧ホース（１８）の短尺化による配管油圧抵抗
の低減並びに高圧ホース（１８）の機体内側格納による
損傷防止などを行うと共に、ホース継手（１７）を荷台
（１）に固定座（１９）を介して連結させ、荷台（１）
の略一定位置に略一定姿勢で高圧ホース（１８）を支持
し、前記ホース継手（１７）と高圧ホース（１８）間の
接続部に引張り力などが作用して油漏れ等の不具合が生
じるのを防止し、耐久性向上並びにメンテナンス作業な
どの簡略化を図るように構成している。As is apparent from the above, the hydraulic pump (4) is provided on the loading platform (1) on which the load (A) is placed, and the loading platform (1) is provided.
In a lift truck in which a steering wheel (12) and a steering wheel (9) are mounted on a hydraulic cylinder (8) that supports the hydraulic cylinder (8) so that the hydraulic pump (4) and the hydraulic cylinder (8) can be freely lifted and lowered, a high-pressure hose ( 18) and a hose joint (17) are provided, and the hose joint (17) is rotatable around the axis of the piston (7) at the upper end of the piston (7) of the hydraulic cylinder (8) connected to the carrier (1). Installed. By turning the steered wheels (9) with the steering handle (12), the high-pressure hose (18) is maintained in a substantially constant posture even when the hydraulic cylinder (8) and the piston (7) are rotated. The high pressure hose (18) is arranged at the shortest distance between the hydraulic pump (4) and the piston (7), the piping hydraulic resistance is reduced by shortening the high pressure hose (18), and the high pressure hose (18) is stored inside the body. In addition to preventing damage, the hose joint (17) is connected to the carrier (1) via the fixing seat (19), and the carrier (1)
The high-pressure hose (18) is supported at a substantially constant position in a substantially constant position, and a tensile force or the like acts on a connection between the hose joint (17) and the high-pressure hose (18) to cause problems such as oil leakage. And to improve durability and simplify maintenance work and the like.
【００１０】さらに、図４に示す如く、前記荷台（１）
を昇降させる上昇及び下降スイッチ（２２）（２３）
と、前記荷台（１）を前後走行移動させる前進及び後進
スイッチ（２４）（２５）と、緊急停止スイッチ（２
６）と、前記バッテリ（５）と、前記油圧ポンプ（４）
を作動させて油タンク（２７）の作動油を油圧シリンダ
（８）に供給させる上昇モータ（３）と、電磁下降バル
ブ（２８）を開動させて油圧シリンダ（８）の作動油を
油タンク（２７）に戻す電磁下降ソレノイド（２９）
と、前記操向輪（９）を正逆転させて荷台（１）を前後
進させる電動走行モータ（３０）を、荷役コントローラ
（３１）に電気接続させる。[0010] Further, as shown in FIG.
Up and down switches (22) (23)
Forward and backward switches (24) and (25) for moving the loading platform (1) back and forth, and an emergency stop switch (2).
6), the battery (5), and the hydraulic pump (4)
Is operated to supply the hydraulic oil in the oil tank (27) to the hydraulic cylinder (8), and the electromagnetic lowering valve (28) is opened to move the hydraulic oil in the hydraulic cylinder (8) to the oil tank (8). Electromagnetic descending solenoid returning to 27) (29)
Then, the electric traveling motor (30) for rotating the steered wheels (9) forward and backward to move the carrier (1) forward and backward is electrically connected to the cargo handling controller (31).
【００１１】また、前記の上昇及び下降スイッチ（２
２）（２３）並びに前進及び後進スイッチ（２４）（２
５）を操向ハンドル（１２）上端部の操作ボックス（３
２）に設けると共に、荷台（１）の山形支持部（６）上
面に停止操作具（３３）と前記緊急停止スイッチ（２
６）を設け、作業者が停止操作具（３３）を上方から叩
いて緊急停止スイッチ（２６）をオンにしたとき、図示
しないブレーカリレーを作動させ、前記各スイッチ（２
２）（２３）（２４）（２５）操作に対して優先させて
前記各モータ（３）（３０）及びソレノイド（２９）を
オフ保持する。このように、荷台（１）の油圧シリンダ
（８）連結部上面に停止操作具（３３）を設け、停止操
作具（３３）を上方から加圧操作して電源を切にするも
ので、電気配線の短絡などによって誤動作しても、作業
者が停止操作具（３３）を上方から叩くだけで緊急停止
させ、不測事態の発生に対して作業者が機敏に対応して
作業を速やかに中止させるように構成している。なお、
図４中において、（３４）は油圧ポンプ（４）吐出側に
設けるリリーフ弁、（３５）は走行モータ（３０）のオ
フによって操向輪（９）を制動するブレーキであり、モ
ータ（３０）オンによってブレーキ（３５）が解除され
る。The above-mentioned up / down switch (2)
2) (23) and forward and reverse switch (24) (2
5) Connect the operation box (3) at the upper end of the steering handle (12).
2) and a stop operation tool (33) and the emergency stop switch (2) on the upper surface of the chevron support (6) of the loading platform (1).
6) is provided, and when the operator hits the stop operation tool (33) from above to turn on the emergency stop switch (26), a breaker relay (not shown) is operated, and each of the switches (2) is activated.
2) The motors (3) and (30) and the solenoid (29) are kept off in preference to the operations of (23), (24) and (25). As described above, the stop operation tool (33) is provided on the upper surface of the connection portion of the hydraulic cylinder (8) of the loading platform (1), and the stop operation tool (33) is pressurized from above to turn off the power. Even if a malfunction occurs due to a short circuit in the wiring or the like, the worker simply stops the operation by hitting the stop operation tool (33) from above, and promptly stops the work in response to the occurrence of an unexpected situation. It is configured as follows. In addition,
In FIG. 4, (34) is a relief valve provided on the discharge side of the hydraulic pump (4), (35) is a brake for braking the steered wheels (9) by turning off the traveling motor (30), and the motor (30) The brake (35) is released by turning on.
【００１２】本実施例は上記の如く構成するもので、作
業者が操向ハンドル（１２）を握って後方に傾倒させ乍
ら、前進及び後進スイッチ（２４）（２５）の操作によ
って前後進させ、操向ハンドル（１２）を左右に揺動さ
せて操向輪（９）を方向転換させ、走行進路を決定する
と共に、上昇及び下降スイッチ（２２）（２３）の操作
によって油圧シリンダ（８）を作動させて荷台（１）を
昇降させ、荷物（Ａ）を荷台（１）に積み降す作業を行
うThis embodiment is constructed as described above, and while the operator grips the steering handle (12) and leans backward, the operator moves forward and backward by operating the forward and reverse switches (24) and (25). The steering wheel (12) is swung right and left to change the direction of the steered wheels (9) to determine the traveling course, and the hydraulic cylinder (8) is operated by operating the up / down switches (22) and (23). Is operated to raise and lower the loading platform (1), and carry out the work of loading and unloading the luggage (A) on the loading platform (1).
【００１３】[0013]
【発明の効果】以上実施例から明らかなように本発明
は、荷台（１２）の支持部（６）に内設する上昇用油圧
ポンプ（４）と、操向輪（９）を操向ハンドル（１２）
とに連結する荷台昇降用油圧シリンダ（８）と、これら
油圧ポンプ（４）及びシリンダ（８）間を油圧接続する
高圧ホース（１８）とを備え、前記油圧シリンダ（８）
のピストン（７）上端を半球体（１５）を介し回動自在
に支持部（６）の受圧頭（１４）に当接支持させ、前記
ピストン（７）上端部でピストン（７）軸芯回りに回転
自在に継手ブラケット（１６）を取付け、前記高圧ホー
ス（１８）一端側の ホース継手（１７）を継手ブラケッ
ト（１６）に接続させると共に、支持部（６）の固定座
（１９）にホース継手（１７）を連結させたもので、操
向ハンドル（１２）によって操向輪（９）を方向転換す
ることにより、油圧シリンダ（８）及びピストン（７）
が回転されても、高圧ホース（１８）が略一定姿勢に維
持されるから、油圧ポンプ（４）とピストン（７）間の
最短距離で高圧ホース（１８）を配置でき、高圧ホース
（１８）の短尺化による配管油圧抵抗の低減並びに高圧
ホース（１８）の機体内側格納による損傷防止などを容
易に行うことができると共に、ホース継手（１７）を荷
台（１２）の支持部（６）に固定座（１９）を介して連
結させることにより、荷台（１）の略一定位置に略一定
姿勢で高圧ホース（１８）を支持でき、前記ホース継手
（１７）と高圧ホース（１８）間の接続部に引張り力な
どが作用して油漏れ等の不具合が生じるのを容易に防止
でき、耐久性向上並びにメンテナンス作業などの簡略化
を容易に図ることができるものである。As is apparent from the above embodiments, the present invention provides a lifting hydraulic pressure installed in the support portion (6) of the carrier (12).
Pump (4) and steering wheel (9) with steering handle (12)
Bed lifting hydraulic cylinders (8) connected to
Hydraulic connection between hydraulic pump (4) and cylinder (8)
A high-pressure hose (18);
The upper end of the piston (7) is rotatable via the hemisphere (15)
Abutting against the pressure receiving head (14) of the supporting portion (6),
Rotation around the axis of the piston (7) at the upper end of the piston (7)
Attach the joint bracket (16) freely, and
(18) Connect the hose joint (17) at one end
(16) and a fixing seat for the support (6).
The hydraulic cylinder (8) and the piston (7) are connected by connecting a hose joint (17) to the (19) and turning a steered wheel (9) by a steering handle (12).
Even if is rotated, the high-pressure hose (18) is maintained in a substantially constant posture, so that the high-pressure hose (18) can be arranged at the shortest distance between the hydraulic pump (4) and the piston (7), and the high-pressure hose (18) with reduction of the pipe hydraulic resistance by shortening of well and damage prevention by inboard storing high-pressure hose (18) can be easily performed, fix the hose coupling (17) supporting part of the bed (12) to (6) the Rukoto is connected via a seat (19), a substantially constant orientation can support a high pressure hose (18), the connection between the hose coupling (17) and high pressure hose (18) in a substantially fixed position of the loading platform (1) It is possible to easily prevent a problem such as oil leakage due to a tensile force or the like acting on the portion, and to easily improve durability and simplify maintenance work and the like.
【００１４】また、荷台（１）の支持部（６）上面に停
止操作具（３３）を設け、停止操作具（３３）を上方か
ら加圧操作して緊急停止スイッチ（２６）をオンとさせ
るとき電源を切にするように構成したもので、電気配線
の短絡などによって誤動作しても、作業者が停止操作具
（３３）を上方から叩くだけで緊急停止させることがで
き、不測事態の発生に対して作業者が機敏に対応して作
業を速やかに中止させることができるものである。Further, a stop operation tool (33) is provided on the upper surface of the support portion (6 ) of the loading platform (1), and the stop operation tool (33) is pressed from above to turn on the emergency stop switch (26).
The power supply is turned off when the power supply is turned off, so that even if a malfunction occurs due to a short circuit in the electric wiring or the like, the operator can stop the emergency operation only by hitting the stop operation tool (33) from above. The operator can promptly stop the work in response to the occurrence.
【図１】全体の側面図。FIG. 1 is an overall side view.
【図２】同平面図。FIG. 2 is a plan view of the same.
【図３】油圧シリンダ部の断面図。FIG. 3 is a sectional view of a hydraulic cylinder unit.
【図４】制御回路図。FIG. 4 is a control circuit diagram.
（１） 荷台 （４） 油圧ポンプ（６） 支持部 （７） ピストン （８） 油圧シリンダ （９） 操向輪 （１２） 操向ハンドル（１５） 半球体 （１６） 継手ブラケット （１７） ホース継手 （１８） 高圧ホース （１９） 固定座（２６） 緊急停止スイッチ （３３） 停止操作具(1) Carrier (4) Hydraulic pump (6) Support (7) Piston (8) Hydraulic cylinder (9) Steering wheel (12) Steering handle (15) Hemisphere (16) Joint bracket (17) Hose joint (18) High-pressure hose (19) Fixed seat (26) Emergency stop switch (33) Stop operation tool
フロントページの続き (56)参考文献 実開 昭64−43095（ＪＰ，Ｕ) 実開 昭53−133982（ＪＰ，Ｕ) 実開 昭57−174499（ＪＰ，Ｕ) 実開 昭62−161200（ＪＰ，Ｕ) 実開 昭63−142395（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B66F 9/06 B66F 9/08 B66F 9/22 Continuation of the front page (56) References Japanese Utility Model Showa 64-43095 (JP, U) Japanese Utility Model Showa 53-133982 (JP, U) Japanese Utility Model Showa 57-174499 (JP, U) Japanese Utility Model Showa 62-161200 (JP) , U) Shokai Sho 63-142395 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) B66F 9/06 B66F 9/08 B66F 9/22
Claims (2)
昇用油圧ポンプ（４）と、操向輪（９）を操向ハンドル
（１２）とに連結する荷台昇降用油圧シリンダ（８）
と、これら油圧ポンプ（４）及びシリンダ（８）間を油
圧接続する高圧ホース（１８）とを備え、前記油圧シリ
ンダ（８）のピストン（７）上端を半球体（１５）を介
し回動自在に支持部（６）の受圧頭（１４）に当接支持
させ、前記ピストン（７）上端部でピストン（７）軸芯
回りに回転自在に継手ブラケット（１６）を取付け、前
記高圧ホース（１８）一端側のホース継手（１７）を継
手ブラケット（１６）に接続させると共に、支持部
（６）の固定座（１９）にホース継手（１７）を連結さ
せたことを特徴とするリフトトラック。1. An apparatus which is installed in a support portion (6) of a carrier (1).
Lift hydraulic pump (4) and steering wheel (9) steering handle
(8) A hydraulic cylinder (8) for lifting and lowering the loading platform connected to (12)
Oil between the hydraulic pump (4) and the cylinder (8).
And a high-pressure hose (18) for pressure connection.
The upper end of the piston (7) of the cylinder (8) is interposed through the hemisphere (15).
And rotatably abuts and supports the pressure receiving head (14) of the support part (6).
And the piston (7) shaft center at the upper end of the piston (7)
Attach the joint bracket (16) so that it can rotate freely, and
The high pressure hose (18) is connected to the hose joint (17) on one end.
Connect to hand bracket (16) and support
Connect the hose joint (17) to the fixed seat (19) of (6).
Lift truck, characterized in that allowed.
作具（３３）を設け、停止操作具（３３）を上方から加
圧操作して緊急停止スイッチ（２６）をオンとさせると
き電源を切にするように構成したことを特徴とする請求
項１に記載のリフトトラック。2. A stop operation is performed on the upper surface of the support portion (6) of the loading platform (1).
A tool (33) is provided, and the stop operation tool (33) is applied from above.
Pressure operation to turn on the emergency stop switch (26)
The lift truck according to claim 1, wherein the power is turned off when the lift truck is turned on .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10316849A JP3072512B2 (en) | 1998-10-19 | 1998-10-19 | Lift truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10316849A JP3072512B2 (en) | 1998-10-19 | 1998-10-19 | Lift truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000118974A JP2000118974A (en) | 2000-04-25 |
| JP3072512B2 true JP3072512B2 (en) | 2000-07-31 |
Family
ID=18081612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10316849A Expired - Lifetime JP3072512B2 (en) | 1998-10-19 | 1998-10-19 | Lift truck |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3072512B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6713154B1 (en) | 1997-06-06 | 2004-03-30 | Nippon Zeon Co., Ltd. | Insulating material containing cycloolefin polymer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4999591B2 (en) * | 2007-07-30 | 2012-08-15 | 株式会社小松製作所 | Piping arrangement structure in the truck frame |
-
1998
- 1998-10-19 JP JP10316849A patent/JP3072512B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6713154B1 (en) | 1997-06-06 | 2004-03-30 | Nippon Zeon Co., Ltd. | Insulating material containing cycloolefin polymer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000118974A (en) | 2000-04-25 |
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