JPH10147499A - Hydraulic device of reach type forklift - Google Patents
Hydraulic device of reach type forkliftInfo
- Publication number
- JPH10147499A JPH10147499A JP32109996A JP32109996A JPH10147499A JP H10147499 A JPH10147499 A JP H10147499A JP 32109996 A JP32109996 A JP 32109996A JP 32109996 A JP32109996 A JP 32109996A JP H10147499 A JPH10147499 A JP H10147499A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- hydraulic
- reach
- cargo handling
- handling device
- 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
Links
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、荷役装置に接続された
油圧配管の損傷や破裂を事前に防止するリーチ式フォー
クリフトの油圧装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic device for a reach-type forklift for preventing damage or rupture of a hydraulic pipe connected to a cargo handling device in advance.
【０００２】[0002]
【従来の技術】従来の技術においては、車体内部にオイ
ルタンク、運転席から操作可能な制御弁、油圧ポンプを
備えた油圧モータ、リーチシリンダのボトム側を備え、
荷役装置にリーチシリンダのシリンダ側、リフトシリン
ダ、ティルトシリンダが備えられ、各々を油圧配管にて
接続していた。2. Description of the Related Art In the prior art, an oil tank, a control valve operable from a driver seat, a hydraulic motor having a hydraulic pump, and a bottom side of a reach cylinder are provided in a vehicle body.
The cargo handling apparatus was provided with a cylinder side of a reach cylinder, a lift cylinder, and a tilt cylinder, and each was connected by hydraulic piping.
【０００３】[0003]
【発明が解決しようとする課題】前述のように油圧装置
が車体側と荷役装置側に分かれていると、荷役装置の前
後移動時に油圧配管が摩擦や噛み込みにより損傷したり
破裂したりしていた。さらに損傷や破裂などによりオイ
ルが漏れた場合、床面のみならず、フォーク上の荷にも
影響し、損害は単なる配管交換だけでは済まないことが
多々あった。As described above, when the hydraulic device is divided into the vehicle body side and the cargo handling device side, the hydraulic piping is damaged or ruptured due to friction or biting when the cargo handling device moves back and forth. Was. Further, when oil leaks due to damage or rupture, it affects not only the floor surface but also the load on the fork, and the damage was often not simply obtained by replacing the piping.
【０００４】[0004]
【課題を解決するための手段】本発明においては、車体
および該車体前方のストラドルレッグ、該ストラドルレ
ッグに沿って車体前後方向に移動する荷役装置からな
り、前記荷役装置は基台となるリーチキャリッジ、リー
チキャリッジ前方に立設した左右一対のマスト材、マス
ト材に沿って上下動するリフトブラケット、リフトブラ
ケット前方に係止されたフォークを配し、マスト材には
オイルタンク、リーチキャリッジ上面には運転席から操
作可能な電磁制御弁および油圧ポンプを備えた油圧モー
タ、リーチキャリッジ下面にはシリンダ側を車体に固定
したリーチシリンダのボトム側を備え、荷役装置にリフ
トブラケットを上下動させるリフトシリンダ、フォーク
を前後傾させるティルトシリンダを備え、各々を油圧配
管にて接続してなるリーチ式フォークリフトの油圧装置
とし上述の課題を解決する。According to the present invention, there is provided a vehicle body, a straddle leg in front of the vehicle body, and a cargo handling device which moves in the longitudinal direction of the vehicle along the straddle leg, wherein the cargo handling device is a reach carriage serving as a base. , A pair of left and right mast materials erected in front of the reach carriage, a lift bracket that moves up and down along the mast material, a fork locked in front of the lift bracket, an oil tank on the mast material, and a top surface of the reach carriage A hydraulic motor equipped with an electromagnetic control valve and a hydraulic pump operable from the driver's seat, a bottom surface of a reach cylinder having a cylinder side fixed to a vehicle body on a lower surface of a reach carriage, and a lift cylinder for vertically moving a lift bracket on a cargo handling device; Equipped with a tilt cylinder that tilts the fork back and forth, and each is connected by hydraulic piping A hydraulic device over switch Forklift solve the problems described above.
【０００５】[0005]
【実施例】以下本発明の実施の形態を図面に基づき説明
する。図３において１がリーチ式フォークリフト、２が
リーチ式フォークリフト１の車体、３が車体２前方に突
出した左右一対のストラドルレッグ、４車体上方にて乗
員を保護するヘッドガード、５がストラドルレッグ３に
沿って車体前後方向に移動する荷役装置を示す。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 3, 1 is a reach type forklift, 2 is a body of the reach type forklift 1, 3 is a pair of left and right straddle legs protruding forward of the body 2, 4 a head guard for protecting an occupant above the body, and 5 is a straddle leg 3. 2 shows a cargo handling device that moves along the vehicle body front and rear direction.
【０００６】荷役装置５は図１および図２のように、下
方に基台となるリーチキャリッジ６、リーチキャリッジ
６前方に立設した左右一対のマスト材７、マスト材７に
沿って上下動するリフトブラケット８、リフトブラケッ
ト８前方に係止した左右一対のフォーク９から主に形成
される。As shown in FIGS. 1 and 2, the loading / unloading device 5 moves vertically along a reach carriage 6 serving as a base below, a pair of left and right mast members 7 erected in front of the reach carriage 6, and a mast member 7. The lift bracket 8 is mainly formed by a pair of left and right forks 9 locked in front of the lift bracket 8.
【０００７】荷役装置５は車体２に配した油圧レバー１
０の操作により各油圧シリンダによって移動する。各油
圧シリンダにはリーチシリンダ１１、リフトシリンダ１
２、ティルトシリンダ１３が有り、例えば、荷取り時に
はリフトシリンダ１２によってリフトブラケット８を上
昇させ、リーチシリンダ１１によって荷役装置５全体を
車体２前方に移動させ、ティルトシリンダ１３によって
フォーク９を後傾させ、さらにリーチシリンダ１１によ
って荷役装置５全体を車体２後方に移動させる。The cargo handling device 5 includes a hydraulic lever 1 disposed on the vehicle body 2.
The operation is performed by each hydraulic cylinder by the operation of 0. Each hydraulic cylinder has a reach cylinder 11 and a lift cylinder 1
2. There is a tilt cylinder 13. For example, at the time of unloading, the lift bracket 8 is raised by the lift cylinder 12, the entire cargo handling device 5 is moved forward by the reach cylinder 11, and the fork 9 is tilted backward by the tilt cylinder 13. Further, the entire cargo handling device 5 is moved rearward of the vehicle body 2 by the reach cylinder 11.
【０００８】油圧レバー１０は各油圧シリンダ毎に設置
し、油圧レバー１０の操作により、オイルタンク１４、
油圧ポンプ１５を備えた油圧モータ１６、電磁制御弁１
７、各油圧シリンダへとオイルが伝わる構造である。The hydraulic lever 10 is installed for each hydraulic cylinder, and the operation of the hydraulic lever 10 causes the oil tank 14,
Hydraulic motor 16 with hydraulic pump 15, electromagnetic control valve 1
7. The structure is such that oil is transmitted to each hydraulic cylinder.
【０００９】本発明の特徴は主に各装置の取付位置にあ
り、一例を説明すると左右一対のマスト材７の左外側に
オイルタンク１４、リーチキャリッジ６の上面に油圧モ
ータ１６、油圧ポンプ１５、電磁制御弁１７、リーチキ
ャリッジ６下面にリーチシリンダ１１のボトム側をそれ
ぞれ固着している。また、リーチシリンダ１１のシリン
ダ側は車体２下部に固着しており、その他の各シリンダ
は従来と同じ方法でそれぞれ固着されている。The feature of the present invention is mainly in the mounting position of each device. For example, an oil tank 14 is provided on the left outside of a pair of left and right mast members 7, a hydraulic motor 16, a hydraulic pump 15 is provided on an upper surface of the reach carriage 6. The bottom side of the reach cylinder 11 is fixed to the electromagnetic control valve 17 and the lower surface of the reach carriage 6, respectively. The cylinder side of the reach cylinder 11 is fixed to the lower part of the vehicle body 2, and the other cylinders are fixed to each other in the same manner as in the related art.
【００１０】この様に荷役装置５に固着された各装置は
もちろん油圧配管にて接続されており、さらに油圧モー
タ１６や電磁制御弁１７は車体２側の油圧レバー１０と
電気的に接続されている。The devices fixed to the cargo handling device 5 in this way are connected by hydraulic piping, and the hydraulic motor 16 and the electromagnetic control valve 17 are electrically connected to the hydraulic lever 10 on the vehicle body 2 side. I have.
【００１１】したがって、荷役装置５と車体２の間には
全く油圧配管は無く、荷役装置５を何度動かしても油圧
配管は損傷や破裂どころか磨耗すらすることがないもの
である。さらには油圧配管が無くなることにより、配管
抵抗も大幅に減少する。Therefore, there is no hydraulic piping between the cargo handling device 5 and the vehicle body 2, and even if the cargo handling device 5 is moved many times, the hydraulic piping is not damaged, ruptured, or even worn. In addition, the elimination of the hydraulic piping significantly reduces the piping resistance.
【００１２】[0012]
【発明の効果】叙上の如く本発明を実施すると荷役装置
と車体の間には電気配線のみとなり油圧配管は全くなく
なる。従って当然荷役装置の前後移動の際に油圧配管が
摩擦や噛み混みにより損傷したり破裂したりすることが
皆無となり、破裂による床面や、フォーク上の荷に損害
を与えることもなくなるものである。また、荷役装置を
前方に移動すれば油圧モータ、油圧ポンプ、電磁制御弁
など油圧機器のメンテナンスが容易に出来るという波及
効果も絶大な物がある。As described above, when the present invention is carried out, only electric wiring is provided between the cargo handling device and the vehicle body, and no hydraulic piping is required. Therefore, the hydraulic piping is naturally not damaged or ruptured due to friction or jamming when the loading / unloading device is moved back and forth, and the rupture does not damage the floor surface or the load on the fork. . Further, moving the cargo handling device forward has a great ripple effect that maintenance of hydraulic equipment such as a hydraulic motor, a hydraulic pump, and an electromagnetic control valve can be easily performed.
【図１】本発明を実施した荷役装置を示す側面図であ
る。FIG. 1 is a side view showing a cargo handling device embodying the present invention.
【図２】本発明を実施した荷役装置を示す前面図であ
る。FIG. 2 is a front view showing a cargo handling device embodying the present invention.
【図３】リーチ式フォークリフトを示す側面図である。FIG. 3 is a side view showing a reach type forklift.
１ リーチ式フォークリフト ２ 車体 ３ ストラドルレッグ ４ ヘッドガード ５ 荷役装置 ６ リーチキャリッジ ７ マスト材 ８ リフトブラケット ９ フォーク １０ 油圧レバー １１ リーチシリンダ １２ リフトシリンダ １３ ティルトシリンダ １４ オイルタンク １５ 油圧ポンプ １６ 油圧モータ １７ 電磁制御弁 DESCRIPTION OF SYMBOLS 1 Reach type forklift 2 Body 3 Straddle leg 4 Head guard 5 Cargo handling device 6 Reach carriage 7 Mast material 8 Lift bracket 9 Fork 10 Hydraulic lever 11 Reach cylinder 12 Lift cylinder 13 Tilt cylinder 14 Oil tank 15 Hydraulic pump 16 Hydraulic motor 17 Electromagnetic control valve
Claims (1)
グ、該ストラドルレッグに沿って車体前後方向に移動す
る荷役装置からなり、 前記荷役装置は基台となるリーチキャリッジ、リーチキ
ャリッジ前方に立設した左右一対のマスト材、マスト材
に沿って上下動するリフトブラケット、リフトブラケッ
ト前方に係止されたフォークを配し、 マスト材にはオイルタンク、リーチキャリッジ上面には
運転席から操作可能な電磁制御弁および油圧ポンプを備
えた油圧モータ、リーチキャリッジ下面にはシリンダ側
を車体に固定したリーチシリンダのボトム側を備え、荷
役装置にリフトブラケットを上下動させるリフトシリン
ダ、フォークを前後傾させるティルトシリンダを備え、
各々を油圧配管にて接続してなるリーチ式フォークリフ
トの油圧装置。The present invention comprises a vehicle body, a straddle leg in front of the vehicle body, and a cargo handling device moving in the vehicle longitudinal direction along the straddle leg, wherein the cargo handling device is a reach carriage serving as a base, and left and right standing in front of the reach carriage. A pair of mast material, a lift bracket that moves up and down along the mast material, a fork locked in front of the lift bracket, an oil tank on the mast material, and an electromagnetic control valve that can be operated from the driver's seat on the top of the reach carriage And a hydraulic motor with a hydraulic pump, a bottom surface of a reach cylinder with the cylinder side fixed to the vehicle body on the lower surface of the reach carriage, a lift cylinder for moving the lift bracket up and down on the cargo handling device, and a tilt cylinder for tilting the fork forward and backward. ,
A hydraulic device for reach-type forklifts, each of which is connected by hydraulic piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32109996A JP3432095B2 (en) | 1996-11-15 | 1996-11-15 | Reach forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32109996A JP3432095B2 (en) | 1996-11-15 | 1996-11-15 | Reach forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10147499A true JPH10147499A (en) | 1998-06-02 |
| JP3432095B2 JP3432095B2 (en) | 2003-07-28 |
Family
ID=18128814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32109996A Expired - Fee Related JP3432095B2 (en) | 1996-11-15 | 1996-11-15 | Reach forklift |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3432095B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219499A (en) * | 1999-01-27 | 2000-08-08 | Kaup Gmbh & Co Kg G Fuer Maschinenbau | Additionally installed equipment for floor conveyor with elevating mast |
| JP2011225286A (en) * | 2010-04-15 | 2011-11-10 | Nippon Yusoki Co Ltd | Forklift |
| JP2011225287A (en) * | 2010-04-15 | 2011-11-10 | Nippon Yusoki Co Ltd | Forklift |
| CN103359660A (en) * | 2012-03-26 | 2013-10-23 | 株式会社伊丹精机 | Lifting hydraulic cylinder and forklift having the same |
| KR20220076909A (en) * | 2020-12-01 | 2022-06-08 | (주)엠텍 | Pallet Truck |
-
1996
- 1996-11-15 JP JP32109996A patent/JP3432095B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219499A (en) * | 1999-01-27 | 2000-08-08 | Kaup Gmbh & Co Kg G Fuer Maschinenbau | Additionally installed equipment for floor conveyor with elevating mast |
| JP2011225286A (en) * | 2010-04-15 | 2011-11-10 | Nippon Yusoki Co Ltd | Forklift |
| JP2011225287A (en) * | 2010-04-15 | 2011-11-10 | Nippon Yusoki Co Ltd | Forklift |
| CN103359660A (en) * | 2012-03-26 | 2013-10-23 | 株式会社伊丹精机 | Lifting hydraulic cylinder and forklift having the same |
| CN103359660B (en) * | 2012-03-26 | 2016-12-14 | 株式会社伊丹精机 | Lifting hydraulic cylinder and possess its fork truck |
| KR20220076909A (en) * | 2020-12-01 | 2022-06-08 | (주)엠텍 | Pallet Truck |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3432095B2 (en) | 2003-07-28 |
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