JPS5917037B2 - Lift/truck mast mounting device - Google Patents
Lift/truck mast mounting deviceInfo
- Publication number
- JPS5917037B2 JPS5917037B2 JP49122347A JP12234774A JPS5917037B2 JP S5917037 B2 JPS5917037 B2 JP S5917037B2 JP 49122347 A JP49122347 A JP 49122347A JP 12234774 A JP12234774 A JP 12234774A JP S5917037 B2 JPS5917037 B2 JP S5917037B2
- Authority
- JP
- Japan
- Prior art keywords
- lift
- pivot pin
- mast
- hanger bracket
- truck
- 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
Links
- 238000009434 installation Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
- B66F9/082—Masts; Guides; Chains inclinable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32861—T-pivot, e.g., wrist pin, etc.
- Y10T403/32893—T-pivot, e.g., wrist pin, etc. including distinct pin retainer
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
【発明の詳細な説明】
本発明はリフトマストアセンブリをフォータリフトドラ
ックに回動可能に支持するマスト取付装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mast mounting system for rotatably supporting a lift mast assembly to a fortalift truck.
フォータリフトドラックにリフトマストアセンブリを取
付けるためには、取付中はリフトマストのキャリニジを
上方位置としてリフトマストを保持して取付を行なう必
要があり、著しく時間がかかり、危険も多い。In order to install a lift mast assembly on a fortalift truck, it is necessary to hold the lift mast with its carriage in the upper position during installation, which is extremely time consuming and dangerous.
出願人が先の提案による、ブラケットの一方を鈎型にす
る型式は取付時間を著しく短縮し得るが、キャリニジを
上方位置としてリフトマストの前方からりテーナーピン
を取付ける必要がある。The applicant's previous proposal in which one side of the bracket is hook-shaped can significantly shorten the installation time, but it is necessary to install the retainer pin from the front of the lift mast with the carriage in the upper position.
即ち、現在迄のマスト取付装置はリフトマストの取付の
ためにはキャリニジ及びリフトフォークを上方位置に支
持する必要があり、作業が困難で危険も多い。That is, in order to attach the lift mast to the existing mast mounting apparatus, it is necessary to support the carriage and the lift fork in an upper position, which makes the work difficult and dangerous.
本発明の目的は、既知の取付装置の上述の問題点を解決
するフォークリフトトラックのマスト取付装置を提供す
る。An object of the present invention is to provide a forklift truck mast mounting device that solves the above-mentioned problems of known mounting devices.
本発明の他の目的はリフトマストとフォークリフトトラ
ックとの間て溶湯に操作を行なうことができるマスト取
付装置を提供する。Another object of the present invention is to provide a mast mounting system that can manipulate molten metal between a lift mast and a forklift truck.
本発明はキャリニジを下方位置とし、リフトフォークを
地上に接触させた状態でリフトマストの背後で上方から
取付を行ない得る取付装置を提供する。The present invention provides a mounting device that can be mounted from above behind a lift mast with the carriage in the lower position and the lift fork in contact with the ground.
本発明によるマスト取付装置は枢支ピンを設け、フォー
クリフトトラックに取付けたノ・ンガーブラケットのス
ロット内に抑え装置によってこの枢支ピンを釈放できる
よう保持し、リフトマストとフォークリフトトラックと
の間で枢支ピンの上方からこの抑え装置に容易に接近し
得るようにする。The mast mounting device according to the present invention includes a pivot pin, which is releasably held in a slot of a knocker bracket mounted on a forklift truck by means of a restraining device, and is mounted between the lift mast and the forklift truck. This holding device can be easily accessed from above the support pin.
本発明を明らかにするため実施例並びに図面について説
明する。In order to clarify the present invention, examples and drawings will be described.
図面特に第１図に本発明によるマスト取付装置１０をフ
ォークリフトトラック１１に組合せて示す。The drawings, particularly FIG. 1, show a mast mounting device 10 according to the invention in combination with a forklift truck 11. FIG.
フォータリフトドラック１１のシャーシ１２の機関室１
４内に図示しないモータ等の原動機を収容する。Engine room 1 of chassis 12 of fortalift truck 11
4 accommodates a prime mover such as a motor (not shown).
運転席１６は例えばロールオーバー型の環１８等によっ
て保護する。The driver's seat 16 is protected, for example, by a rollover ring 18 or the like.
地面に掛合する駆動前輪２０と後輪２２とを通常のよう
に取付けて地上を走行するようこのフォークリフトトラ
ックを支持する。Ground-engaging drive front wheels 20 and rear wheels 22 are mounted in a conventional manner to support the forklift truck for traveling on the ground.
リフトマストアセンブリ２４は１対の垂直に抜差しでき
るリフトマフ）２６，２Ｂによってキャリニジ３０を可
動に支持する。The lift mast assembly 24 movably supports the carriage 30 by a pair of vertically removable lift muffs 26 and 2B.
キャリニジ３０に１対のリフトフォーク３２を通常の通
りに取付ける。A pair of lift forks 32 are attached to the carriage 30 in the usual manner.
本発明のマスト取付装置１０によってこのリフトマスト
アセンブリ２４をフォークリフトトラック１１に取付け
る。The lift mast assembly 24 is attached to the forklift truck 11 by the mast attachment device 10 of the present invention.
リフトマストアセンブリ２４をマスト取付装置１０を中
心として前後方向に傾けるために１対の液圧ジヤツキ３
６（図面には１個のみ示す）をフォークリフトトラック
１１のシャーシ１２とリフトマストアセンブリ２４との
間に枢着する。A pair of hydraulic jacks 3 are provided for tilting the lift mast assembly 24 forward and backward about the mast attachment device 10.
6 (only one shown in the drawing) is pivotally mounted between the chassis 12 of the forklift truck 11 and the lift mast assembly 24.
第２図に明示するように、マスト取付装置１００１対の
同形の互に離間した枢支装置３８，３９をデファレンシ
ャルハウジング４００両側でこのデファレンシャルハウ
ジングに隣接し、シャーシ１２の先端に取付ける。As best seen in FIG. 2, a pair of identical spaced apart pivot assemblies 38, 39 of the mast mount 1001 are attached to the distal end of the chassis 12 adjacent the differential housing 400 on opposite sides thereof.
各枢支装置はリフトマストアセンブリ２４と、フロント
アクスルアセンブリの横方向の部分４２とに取付ける。Each pivot device attaches to the lift mast assembly 24 and to a lateral portion 42 of the front axle assembly.
この部材４２はシャーシの両側を相互に連結しており、
シャーシ上にデファレンシャルハウジング４０を支持す
る。This member 42 interconnects both sides of the chassis.
A differential housing 40 is supported on the chassis.
枢支装置３Ｂ、３９は同形であるため、一方のみについ
て以下詳述する。Since the pivot devices 3B and 39 have the same shape, only one will be described in detail below.
第３，４図に示す通り、枢支装置３９のほぼフック型の
バンガーブラケット４４の上向きに開口した長方形のス
ロット４６内に後述する枢支ピン６０を収容する。As shown in FIGS. 3 and 4, a pivot pin 60, which will be described later, is accommodated in an upwardly opening rectangular slot 46 of a generally hook-shaped banger bracket 44 of the pivot device 39.
リフトマストアセンブリ２４のリフトマスト冗にマスト
ブラケット５０を固着する。A mast bracket 50 is secured to the lift mast of the lift mast assembly 24.
マストブラケット５０の１対の腕５２をベース５４から
延長させる。A pair of arms 52 of a mast bracket 50 extend from a base 54.
第４図に示す通り、夫々の腕５２の外方端部に形成した
１対の孔５６を同一軸線とし、枢支ピン６０を支持する
。As shown in FIG. 4, a pair of holes 56 formed at the outer ends of each arm 52 are coaxial and support a pivot pin 60.
即ち、孔５６に嵌着したスリーブ軸受５８のような軸受
内に回動可能に枢支ピン６０を支承する。That is, pivot pin 60 is rotatably supported within a bearing, such as sleeve bearing 58, fitted in bore 56.
腕５２の両側部に隣接してピン６０の外周縁に形成した
離間した環状溝内にゴムのような弾性材料製の１対の０
リング６２を収容する。A pair of zeros made of an elastic material such as rubber are located in spaced annular grooves formed in the outer periphery of the pin 60 adjacent to both sides of the arm 52.
A ring 62 is housed therein.
０リング６２はスリーブ軸受５８の潤滑剤を保持すると
共にスリーブ軸受内に砂等の異物が入るのを防くｔ枢支
ピン６０の中央部６４を方形断面にし、この方形の中央
部６４０寸法をバンガーブラケット４４の長方形のスロ
ット４６内に収容できる寸法にし、枢支ピン６０とバン
ガーブラケット４４との間の相対回転を防ぐ。The O-ring 62 holds the lubricant of the sleeve bearing 58 and prevents foreign matter such as sand from entering the sleeve bearing. It is dimensioned to fit within the rectangular slot 46 of the banger bracket 44 to prevent relative rotation between the pivot pin 60 and the banger bracket 44.
またこの場合方形断面の中央部を除く枢支ピン６００両
端部は円筒軸であってスリーブ軸受５８内に支承する。Further, in this case, both ends of the pivot pin 600 excluding the central portion of the square cross section are cylindrical shafts and are supported within the sleeve bearing 58.
抑え装置６６はほぼ長方形の板６８から成り、ボルト７
０によって所定位置に固着する。The restraining device 66 consists of a generally rectangular plate 68, and the bolt 7
0 locks it in place.
板６８の下縁を枢支ピン６０の中央部６４の上面にほぼ
接触させて使用中に枢支ピン６０が外れるのを防ぐ。The lower edge of plate 68 substantially contacts the upper surface of central portion 64 of pivot pin 60 to prevent pivot pin 60 from dislodging during use.
第３図に示した例では、バンガーブラケット４４に設け
たねじ孔７２にボルト７０をねじこんで板６８をバンガ
ーブラケット４４に固着する。In the example shown in FIG. 3, a bolt 70 is screwed into a screw hole 72 provided in the banger bracket 44 to secure the plate 68 to the banger bracket 44.
枢支ピン６０の方形断面の中央部６４をバンガーブラケ
ット４４の長方形のスロット４６内に係合させることに
よって、リフトマスト２６の傾きに際して枢支ピン６０
０両端とスリーブ軸受５８との間のみの回動になる。By engaging the rectangular cross-sectional central portion 64 of the pivot pin 60 within the rectangular slot 46 of the banger bracket 44, the pivot pin 60 locks during tilting of the lift mast 26.
0 and the sleeve bearing 58 only.
枢支ピン６０の中央部と両端部との境界部分に段差によ
り生じた肩部と、バンガーブラケット４４０両側面とを
衝合させることによってピンの軸線方向の動きを制限す
る。Movement of the pin in the axial direction is restricted by abutting shoulders formed by a step at the boundary between the central portion and both ends of the pivot pin 60 and both side surfaces of the banger bracket 440.
前述した通り、抑え装置６６はリフトトラックの使用中
に枢支ピン６０がバンガーブラケット４４から外れるの
な防ぐ。As previously discussed, the restraint device 66 prevents the pivot pin 60 from becoming dislodged from the banger bracket 44 during use of the lift truck.
リフトマストアセンブリを・ヘンガーブラケットから取
外す場合には、スパナヲリフトマスト２６とフロントア
クスルアセンブリの部材４２との間に入れて枢支ピン６
０の上方のボルト７０を外し、板６８を取去ればリフト
マストアセンブリを簡単に取外すことができる。When removing the lift mast assembly from the Henger bracket, insert a wrench between the lift mast 26 and the front axle assembly member 42 and tighten the pivot pin 6.
The lift mast assembly can be easily removed by removing bolts 70 above 0 and removing plate 68.
これによって、リフトマストアセンブリの前又は下から
取付ボルトを外すためにキャリニジ３０を上げる必要は
なくなり、リフトマストアセンブリの取外し取付けは著
しく簡単になる。This eliminates the need to raise the carriage 30 to remove mounting bolts from the front or bottom of the lift mast assembly, greatly simplifying the removal and installation of the lift mast assembly.
本発明は種々の変型が可能であり、実施例並びに図面は
例示であって発明を限定するものではなｔゝ。The present invention can be modified in various ways, and the embodiments and drawings are illustrative and do not limit the invention.
第１図は本発明によるマスト取付装置を有するフォーク
リフトトラックの側面図、第２図は第１図の■−■線に
沿う平面図、第３図は第２図の■−ｍ線に沿う拡大断面
図、第４図は第１図のｒＶ−■線に沿う拡大断面図であ
る。
１０・・・マスト取付装置、１１・・・フォークリフト
トラック、１２・・・シャーシ、１４・・・機関室、１
６・・・運転席、１８・・・覆、２０・・・駆動前輪、
２２・・・後輪、２４・・・リフトマストアセンブリ、
２６，２８・・・リフトマスト、３０・・・キャリニジ
、３２・・・リフトフオータ、３６・・・液圧ジヤツキ
、３Ｂ、３９・・・枢支装置、４０・・・デファレンシ
ャルハウジング、４２・・・部材、４４・・・ハンガー
ブラケット、４６・・・スロット、５０・・・マストブ
ラケット、５２・・・腕、５４・・・ベース、５６・・
・孔、５８・・・スリーブ軸受、６０・・・枢支ピン、
６４・・・中央部、６６・・・抑え装置、６８・・・板
、７０・・・ボルト、７２・・・ねじ孔。Fig. 1 is a side view of a forklift truck having a mast attachment device according to the present invention, Fig. 2 is a plan view taken along the line ■-■ in Fig. 1, and Fig. 3 is an enlarged view taken along the line ■-m in Fig. 2. 4 is an enlarged sectional view taken along the line rV-■ in FIG. 1. DESCRIPTION OF SYMBOLS 10... Mast attachment device, 11... Forklift truck, 12... Chassis, 14... Engine room, 1
6... Driver's seat, 18... Cover, 20... Drive front wheel,
22... Rear wheel, 24... Lift mast assembly,
26, 28... Lift mast, 30... Carriage, 32... Lift footer, 36... Hydraulic jack, 3B, 39... Pivot device, 40... Differential housing, 42... Member, 44...Hanger bracket, 46...Slot, 50...Mast bracket, 52...Arm, 54...Base, 56...
・Hole, 58...Sleeve bearing, 60...Pivot pin,
64... Central portion, 66... Holder, 68... Plate, 70... Bolt, 72... Screw hole.
Claims (1)
トマスト２６，２Ｂを連結するためのフォータリフトド
ラック１１のマスト取付装置１０において、 上方に開口するスロット４６をそれぞれ有し前記シャー
シ１２に連結されたほぼフック型の離間する１対のハン
ガーブラケット４４と、 前記１対のハンガーブラケット４４の前記スロット４６
にそれぞれ嵌合することによって前記ハンガーブラケッ
ト４４に対する相対回転を防ぐほぼ方形断面の中央部６
４と円筒形の両端部とをそれぞれ有する２個の枢支ピン
６０とを具え、これ等２個の枢支ピン６０の前記中央部
６４を前記スロットにそれぞれ嵌合したとき、前記枢支
ピン６０の前記両端部と前記中央部との段差による肩部
と前記ハンガ−ブラケット４４０両側面とによって前記
枢支ピンがその軸線方向に前記ハンガーブラケット４４
に対して移動するのを防止し、前記枢支ピン６０の前記
円筒形の両端部をそれぞれ回転自在に支持し前記リフト
マス） ２６．２８に取付けられた離間する１対のマス
トブラケット５０と、 前記枢支ピン６０を前記スロット４６内に保持するよう
前記枢支ピンの前記中央部に掛合して前記ハンガーブラ
ケット４４に連結された着脱自在の抑え装置６６とを具
えたことを特徴とするフォークリフトトラックのマスト
取付装置。[Scope of Claims] 1. A mast mounting device 10 for a fortalift truck 11 for connecting lift masts 26, 2B to a chassis 12 of a fortalift truck 11, each of which has a slot 46 opening upward; a pair of generally hook-shaped spaced apart hanger brackets 44 connected to the slots 46 of the pair of hanger brackets 44;
a central portion 6 of substantially square cross section which prevents relative rotation with respect to said hanger bracket 44 by fitting respectively into said hanger bracket 44;
4 and two cylindrical end portions, and when the central portions 64 of these two pivot pins 60 are respectively fitted into the slots, the pivot pins The shoulder portion formed by the step between both ends and the center portion of the hanger bracket 440 and both side surfaces of the hanger bracket 440 allow the pivot pin to move toward the hanger bracket 44 in the axial direction.
a pair of spaced apart mast brackets 50 which are attached to the lift mass (26.28) and rotatably support both ends of the cylindrical shape of the pivot pin 60; a forklift truck comprising a removable restraint device 66 coupled to the hanger bracket 44 and engaging the central portion of the pivot pin 60 to retain the pivot pin 60 within the slot 46. mast mounting device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US443293 | 1974-02-19 | ||
| US443293A US3915324A (en) | 1974-02-19 | 1974-02-19 | Lift truck mast mounting arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50114767A JPS50114767A (en) | 1975-09-08 |
| JPS5917037B2 true JPS5917037B2 (en) | 1984-04-19 |
Family
ID=23760214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49122347A Expired JPS5917037B2 (en) | 1974-02-19 | 1974-10-23 | Lift/truck mast mounting device |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3915324A (en) |
| JP (1) | JPS5917037B2 (en) |
| BE (1) | BE825316A (en) |
| CA (1) | CA1009186A (en) |
| FR (1) | FR2261218B1 (en) |
| GB (2) | GB1473272A (en) |
| IT (1) | IT1029750B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126208A (en) * | 1977-08-12 | 1978-11-21 | Towmotor Corporation | Adjustable lock for mast hanger |
| US4126209A (en) * | 1977-08-12 | 1978-11-21 | Towmotor Corporation | Mast mounting |
| JPS6116315Y2 (en) * | 1979-09-07 | 1986-05-20 | ||
| US4711614A (en) * | 1985-02-24 | 1987-12-08 | Caterpillar Industrial Inc. | Lift mast mounting arrangement and method for removal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478910A (en) * | 1968-02-01 | 1969-11-18 | Case Co J I | Tilt mechanism for mast assembly |
| US3782571A (en) * | 1972-04-24 | 1974-01-01 | Towmotor Corp | Lift truck mast-mounting arrangement |
-
1974
- 1974-02-19 US US443293A patent/US3915324A/en not_active Expired - Lifetime
- 1974-10-23 JP JP49122347A patent/JPS5917037B2/en not_active Expired
-
1975
- 1975-01-09 CA CA217,607A patent/CA1009186A/en not_active Expired
- 1975-02-07 BE BE153178A patent/BE825316A/en unknown
- 1975-02-13 GB GB3723876A patent/GB1473272A/en not_active Expired
- 1975-02-13 GB GB618975A patent/GB1473271A/en not_active Expired
- 1975-02-17 IT IT48196/75A patent/IT1029750B/en active
- 1975-02-18 FR FR7505045A patent/FR2261218B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1029750B (en) | 1979-03-20 |
| FR2261218B1 (en) | 1980-04-30 |
| GB1473272A (en) | 1977-05-11 |
| BE825316A (en) | 1975-08-07 |
| GB1473271A (en) | 1977-05-11 |
| CA1009186A (en) | 1977-04-26 |
| FR2261218A1 (en) | 1975-09-12 |
| US3915324A (en) | 1975-10-28 |
| AU7720875A (en) | 1976-07-15 |
| JPS50114767A (en) | 1975-09-08 |
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