JP2809259B2 - Construction work machine for connector - Google Patents

Construction work machine for connector

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Publication number
JP2809259B2
JP2809259B2 JP8117493A JP8117493A JP2809259B2 JP 2809259 B2 JP2809259 B2 JP 2809259B2 JP 8117493 A JP8117493 A JP 8117493A JP 8117493 A JP8117493 A JP 8117493A JP 2809259 B2 JP2809259 B2 JP 2809259B2
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JP
Grant status
Grant
Patent type
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
Application number
JP8117493A
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Japanese (ja)
Other versions
JPH06272272A (en )
Inventor
利之 久野
誠一 坂戸
智昭 山田
利文 戸嶋
邦彦 松居
勇 永吉
正幸 浅井
信夫 渡辺
Original Assignee
株式会社坂戸工作所
Priority date (The priority date 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 date listed.)
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Publication date
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • E02F3/3609Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3645Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with auto-engagement means for automatic snap-on of the tool coupler part
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • E02F3/3609Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3627Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with a hook and a longitudinal locking element
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • E02F3/3609Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3668Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where engagement is effected by a mechanical lever or handle
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • E02F3/3609Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3672Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where disengagement is effected by a mechanical lever or handle

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、油圧ショベル等の作業用ブームを有する建設用車両のブーム先端に破砕機,バケット等の種々の作業用アタッチメントを簡易且つ迅速に取り付けたり、或いは外したりすることができる建設作業機械用連結具に関する。 BACKGROUND OF THE INVENTION This invention crusher boom tip construction for a vehicle having a working boom such as a hydraulic excavator, or mounted easily and quickly various working attachment such as a bucket, or or off it related to the construction machine for a connector that can.

【0002】 [0002]

【従来の技術】従来より、油圧ショベル等の作業用ブームを有する建設用車両のブーム先端に破砕機,バケット等の種々の作業用アタッチメントを取り付けたり、或いは外したりするために連結具が使用されている。 Conventionally, crusher boom tip construction for a vehicle having a working boom such as a hydraulic excavator, coupling is used to mounting or various working attachment such as a bucket, or or off ing.

【0003】その連結具の主なる構造としては、連結具が建設作業用ブーム先端側に装着するブーム側連結具と、バケット,破砕機等のアタッチメント側に装着するアタッチメント側連結具の二部材から構成されるものであって、そのブーム側連結具とアタッチメント側連結具とが軸とこれに係合する可動式の鉤状の爪とからなり、 [0003] As the Lord structure of the connector, and the boom-side connector which connector is mounted on the boom distal end side for construction work, the bucket from two members of the attachment side connector to be attached to the attachment side of the crusher or the like be those that are configured, it consists of a hook-shaped pawl movable to its boom side coupler and the attachment-side connecting member is engaged with this and the shaft,
ブーム側の操作により爪が適宜に動いて軸に係合するものとなっている。 Nail by the boom side operations have been assumed to be engaged in the axial move appropriately.

【0004】その爪は、油圧シリンダ或いはスプリングにより可動するものが多く、特に油圧シリンダはブーム側と連動している。 [0004] The claws are often those which movable by a hydraulic cylinder or a spring, in particular a hydraulic cylinder is integrated with the boom side.

【0005】 [0005]

【発明が解決しようとする課題】上記連結具の多くは、 [SUMMARY OF THE INVENTION Many of the connector,
ブーム側連結具とアタッチメント側連結具とのいずれかに爪を形成し、他方に軸を設け、その爪を相手側の軸に係止するものであるが、このような構造によれば、ブーム側連結具とアタッチメント側連結具とが確実に連結したか否かを確認するためには、建設用車両の運転席からでは確認することが極めて困難であり、確認するための作業員が必要となる。 Forming a pawl in either the boom side coupler and the attachment-side connecting member and the other to provide a shaft, but is intended to lock the pawl in the axial mating, according to such a structure, the boom in order to confirm whether or not the side connector and the attachment side connector has been securely consolidated, than from the driver's seat of the construction vehicles is extremely difficult to verify, and requires workers to confirm Become.

【0006】さらに、また上述のように可動式の爪と軸による係止においては、その係止状態が極めて緩くなりがちであり、それゆえに振動、衝撃に対して極めて弱く、作業中においてアタッチメントがブームから外れてしまう危険性も充分ある。 Furthermore, also in the locking by the claw and the shaft of the movable as described above, the tend locked state is extremely loose, vibration hence, very weak against impact, the attachment during work risk that deviates from the boom also enough.

【0007】さらに、上記爪は、油圧機構により動かすタイプのものも存在し、この場合には、確かに油圧による強力な連結が可能となるが、装置全体が複雑となり、 Furthermore, the claw may also present a type moving the hydraulic mechanism, in this case, certainly strong connection by hydraulic Although it is possible, the entire apparatus becomes complex,
従って極めて高価となるのみならず、一端油圧機構が故障したときには、即座に修理が出来ない等の不都合な問題があった。 Thus not only is extremely expensive, when one hydraulic mechanism fails, there is immediate inconvenient problem that can not be repaired.

【0008】 [0008]

【課題を解決するための手段】そこで、発明者は、上記課題を解決すべく、鋭意研究を重ねた結果、本発明を略く字状に屈伸自在とし、且つ弾性体にて伸び状態に付勢した屈伸部を設けたロック体と、屈伸部の屈伸方向に移動且つ押圧可能な押圧揺動体を設け、該押圧揺動体を押圧螺子杆の軸方向移動にて可動可能としたロック解除手段とを設けた主連結体と、被連結体とからなり、主連結体と被連結体との接触にてロック体先端が被連結体側に突出且つ貫通して弾発結合してなる建設作業機械用連結具としたことにより、油圧ショベル等の作業用ブームを有する建設用車両のブーム先端に破砕機,バケット等の種々の作業用アタッチメントを簡易且つ迅速に取り付けたり、或いは外したりすることができ、且つその取付状態を極めて強固な Therefore SUMMARY OF THE INVENTION The inventor, in order to solve the above problems, the results of extensive research, a freely bending and stretching the present invention in a substantially dogleg shape, and with the growth state of an elastic body a locking body provided with a bending portion which is energized and moves the bending direction of the bending portion provided depressible push oscillator, and unlocking means which enables moving the pressing 圧揺 body in axial movement of the pressing screw rod a main connecting body provided with, consists of a target coupling body, the main coupling body and a locking member tip at the contact with the to-be-connected body formed by bonding elastic protrude and penetrate into the connected side construction machine for by having a coupling, it can be or or or disconnect mounted crusher boom tip construction for a vehicle having a working boom such as a hydraulic excavator, the various working attachment such as a bucket simply and quickly, and extremely strong the mounting state ものにすることができ、上記課題を解決したものである。 It can be those, which solves the above problems.

【0009】 [0009]

【実施例】以下、本発明の実施例を図面に基づいて説明すると、本発明は主連結体Aと被連結体Bとから構成されるものであって、その主連結体Aはショベル等の建設用車両の建設作業用のブームb先端に装着され、被連結体Bは掘削用バケット,破砕機等のアタッチメントa側に装着され、ブームbとアタッチメントaとの連結を主連結体Aと被連結体Bとを介して行うものである。 EXAMPLES The following will be described on the basis of an embodiment of the present invention with reference to the drawings, the present invention is composed of a main connecting member A and the coupled body B, the main coupling body A is such as excavators mounted on the boom b tip for construction work of construction vehicles, the coupled body B is excavating bucket mounted on the attachment a side of the crusher or the like, the main connecting member a the connection between the boom b and the attachment a it is performed via a coupling member B.

【0010】その主連結体Aは、図1等に示すように、 [0010] The main connecting member A, as shown in FIG. 1 or the like,
主基板1の一側面にロック体A1 ,ロック解除手段A2 Lock body A1 on one side of the main substrate 1, the unlocking means A2
等が装着され、他側面には建設用車両のブームb先端に装着する主装着部18が形成されている。 Etc. are mounted, a main mounting portion 18 is formed to be mounted on the boom b tip construction for a vehicle on the other side.

【0011】そのロック体A1 は、図3,図4等に示すように、主に円筒形状のロック頭部2と屈伸部4とからなり、ロック頭部2と屈伸部4とはロック側連接部3にて回動自在に枢支連結され、屈伸部4と主基板1側とは固定側連接部5にて連接されている。 [0011] The lock body A1 is 3, as shown in FIG. 4 or the like, mainly the lock head 2 of cylindrical consists flexions 4 which, lock side connecting the locking head 2 and the bending portion 4 is pivotally rotatably connected with part 3, it is articulated at a fixed-side connecting portion 5 and the bending portion 4 and the main substrate 1 side.

【0012】その屈伸部4は、揺動リンク4aと連接リンク4bとから構成され、その揺動リンク4aと連接リンク4bとがピン等により回動自在に枢支連結され、さらに前記連接リンク4bがロック側連接部3にてロック頭部2に回動自在に連結され、揺動リンク4aが固定側連接部5にて主基板1に回動自在に連結され、その屈伸部4の揺動リンク4aと連接リンク4bとの屈伸動作により、ロック頭部2が軸方向に往復移動することができる構造となっている。 [0012] The bending section 4 is composed of a swing link 4a and the connecting link 4b, the rocking link 4a and the connecting link 4b is pivotally supported rotatably connected by a pin or the like, the connecting link 4b There is pivotably connected at the locking side connecting portion 3 to the lock head 2, the swing link 4a is rotatably connected to the main substrate 1 at a fixed side connecting portion 5, the swing of the bending portion 4 the bending and stretching operations of the link 4a and the connecting link 4b, the locking head 2 has a structure which can reciprocate in the axial direction.

【0013】そのロック体A1 は、図1に示すように、 [0013] The lock body A1, as shown in FIG. 1,
軸方向が主基板1の面上と略平行で、且つ軸方向に摺動自在となる構成となっており、ロック体A1 に屈伸部4 Axially substantially parallel to the on the surface of the main substrate 1, has a slidable become configured and axially, flexions 4 to the lock body A1
が設けられている。 It is provided.

【0014】その屈伸部4には弾性体7が設けられており、具体的には弾性体7はコイルスプリングが使用され、図3又は図5の実施例では揺動リンク4aに弾性体7が設けられているが、連接リンク4b側に弾性体7を設けても構わない。 [0014] is provided with an elastic member 7 is in its flexions 4, the elastic member 7 is specifically a coil spring is used, the elastic body 7 in the swing link 4a in the embodiment of FIG. 3 or FIG. 5 It is provided, but may be an elastic body 7 provided in the connecting link 4b side.

【0015】該弾性体7により屈伸部4は、図3に示すように、常時揺動リンク4aと連接リンク4bとが略一直線状となるように付勢されており、即ち屈伸部4の揺動リンク4aと連接リンク4bとが屈伸しても、外力を除去した状態では、即座に伸びた状態に復元する構造となっている。 The flexions 4 by the elastic member 7, as shown in FIG. 3, is biased so as to constantly and swing link 4a and the connecting link 4b becomes substantially straight, i.e. the bending portion 4 rocking It is a dynamic link 4a and the connecting link 4b is bent and stretched, in a state in which removal of the external force, and has a structure to be restored to an extended state immediately.

【0016】また、ロック体A1 には被係止部6が設けられており、該被係止部6の具体的な実施例としては両ロック側連接部3,3間に軸杆形状の被係止部6が設けられたものであり、該被係止部6に係止用アーム8が係止して、ロック体A1 をロック解除状態に維持する構造となっている。 Further, the lock member A1 is provided with engaging portion 6, the axes 杆形 shape between 該被 locking portion 6 specific embodiment both lock side articulation Examples 3,3 are those engaging portion 6 is provided, the locking arm 8 to said locking portion 6 is engaged, it has a structure to maintain the lock member A1 in the unlocked state.

【0017】その係止用アーム8は、図4,図5等に示すように、長手方向の端部側に切欠き形状の係止用凹部8aが形成され、該係止用凹部8aがロック体A1 に設けた被係止部6に係止し、ロック体A1 を前記弾性体7 [0017] The latching arm 8, as shown in FIGS. 4, 5, etc., are locking recesses 8a of the notch shape on the end side in the longitudinal direction is formed, engaging recess 8a is locked locked to the locked portion 6 provided in the body A1, the lock body A1 elastic body 7
の弾性力に抗して、所定位置に停止させることができる。 Against the elastic force, it can be stopped at a predetermined position.

【0018】また、前記係止用アーム8には、その長手方向の適宜の個所に被当接部8bが形成され、該被当接部8bが外部より押圧されることにより、係止用アーム8が枢支点8pを中心に回動し、ロック体A1 の被係止部6から外れ、弾性体7の弾性力にて軸方向に移動し、 Further, the locking arm 8 is abutted portion 8b is formed in the appropriate locations in the longitudinal direction, by 該被 contact portion 8b is pressed from the outside, arm locking 8 is rotated about the pivot point 8p, disengaged from the engaging portion 6 of the locking member A1, and move in the axial direction in the elastic force of the elastic body 7,
前記被連結体Bとの連結が行われ、前記被当接部8b The connection between the connecting member B is performed, the abutted portion 8b
は、後述する被連結体Bの解除用押上部21が当接且つ押圧するようになっている。 Is releasing the push-up portion 21 of the connecting member B to be described later is adapted to abut and press.

【0019】その係止用アーム8は、主基板1との間に、図1,図4等に示すように、係止用バネ9が設けられ、該係止用バネ9により、係止用アーム8の係止用凹部8aがロック体A1 の被係止部6に押圧状態にて係止することができるように常時付勢されている。 [0019] The latching arm 8, between the main board 1, as shown in FIGS. 1, 4, etc., the locking spring 9 is provided, the locking spring 9, the locking locking recess 8a of the arm 8 is always biased to be able to lock in a pressed state to the engaged portion 6 of the lock body A1.

【0020】次に、ロック解除手段A2 は、主に押圧揺動体10と押圧螺子杆11及び螺子杆受12から構成されており、押圧揺動体10は前記屈伸部4を押圧して屈伸動作を行わせるものであって、その押圧揺動体10は屈伸部4と固定側連接部5との枢支個所とともに枢支部10aを介して設けられている。 Next, unlocking means A2 is mainly pressed oscillator 10 are composed of a pressing screw rod 11 and the screw 杆受 12, pressing the oscillator 10 is bending and stretching operation by pressing the bending part 4 be those causing, the pressing oscillator 10 is provided through the pivot portion 10a with pivot 支個 plant and the fixed-side connecting portion 5 and the bending portion 4.

【0021】その押圧揺動体10は、前記枢支部10a [0021] the pressing oscillator 10, the pivot portion 10a
と押圧体10bとが、図4等に示すように、二枚のフレーム板10d,10dの間に設けられており、押圧体1 A pressing member 10b and is, as shown in FIG. 4 or the like, two of the frame plate 10d, is provided between the 10d, the pressing member 1
0bが屈伸部4の揺動リンク4aに当接し、且つ押圧して屈伸部4に屈伸動作を与えるものである。 0b abuts the swing links 4a of the bending portion 4 is intended to provide a bending and stretching operation in the bending unit 4 and pressed.

【0022】上記枢支部10a及び押圧体10bは、円筒状に形成され、枢支部10aは屈伸部4の揺動リンク4aと固定側連接部5との枢支と同一中心となるように納まっており、押圧揺動体10は枢支部10aを中心にして旋回し、その押圧体10bも前記枢支部10aを中心にして円弧上を往復移動するものである。 [0022] The pivot portion 10a and the pressing member 10b is formed in a cylindrical shape, pivot portion 10a is accommodated so as to be pivoted and identical to the center of the fixed-side connecting portion 5 and the swing link 4a of the bending portion 4 cage, pressing the oscillator 10 pivots about the pivot portion 10a, in which the pressing member 10b also reciprocally moves on an arc around the said pivot portion 10a.

【0023】また、主基板1上には押圧螺子杆11及び該押圧螺子杆11を螺合支持する螺子杆受12が設けられており、該螺子杆受12は内螺子12aが形成され、 Further, on the main substrate 1 is screw 杆受 12 is provided to be screwed supporting the pressing screw rod 11 and the push 圧螺Ko rod 11, 該螺Ko 杆受 12 internal threads 12a are formed,
該内螺子12aに押圧螺子杆11の外螺子軸部11bが螺合し、螺子杆受12に対して押圧螺子杆11が軸方向に移動することができる。 Screwed outer threaded shaft portion 11b of the pressing screw rod 11 to the internal screw 12a, the pressing screw rod 11 with respect to the screw 杆受 12 can be moved in the axial direction.

【0024】その螺子杆受12は、図7に示すように、 [0024] The screw 杆受 12, as shown in FIG. 7,
上下両端に旋回中心部12b,12bが形成され、該旋回中心部12bは具体的には円筒突起状に形成されたもので、該旋回中心部12b,12bが主連結体Aの所定個所に回動自在に挿入し、螺子杆受12が主連結体Aの水平面上を旋回自在となっている。 Upper and lower ends to the pivot center 12b, 12b are formed, orbiting center 12b is specifically one which is formed in a cylindrical protruding, orbiting center 12b, 12b are times in a predetermined position of the main connecting member A moving freely inserted, the screw 杆受 12 becomes pivotable in a horizontal plane of the main coupling body a.

【0025】その押圧螺子杆11が軸周方向に回動自在となるように前記押圧揺動体10に連結しており、その具体的な構造の実施例としては、押圧揺動体10のフレーム板10d,10dにて回動自在となるようにして螺子杆接続部10cが設けられており、該螺子杆接続部1 [0025] the pressing screw rod 11 is coupled to the pressing oscillator 10 so as to be rotatable in the axial peripheral direction, as an embodiment of the concrete structure, frame plate 10d of the pressing oscillator 10 is provided with a screw rod connecting portion 10c so as to be rotatable at 10d, 該螺Ko rod connecting portion 1
0cに押圧螺子杆11の球体形状の接続先端部11a遊挿状態に設けられ、図5のP−P矢視断面箇所、即ち図6に示すように、押圧螺子杆11と螺子杆接続部10c It provided connecting the distal end portion 11a loosely fitted state of the spherical shape of the pressing screw rod 11 0c, P-P sectional view taken along the line portion in FIG. 5, i.e. as shown in FIG. 6, the pressing screw rod 11 and the screw rod connecting portion 10c
とが外れないようにかしめが施されている。 Door caulking is applied so as not to come off.

【0026】その押圧螺子杆11を主連結体Aの外部より作動具13を介して所定方向に回転させることで、螺子杆受12に対して軸方向に移動し、該押圧螺子杆11 [0026] The pressing screw rod 11 is rotated in a predetermined direction via the operation device 13 from the outside of the main coupling body A, to move axially relative to the screw 杆受 12, pressing 圧螺Ko rod 11
の接続先端部11aが押圧揺動体10の螺子杆接続部1 Screw rod connecting portions 1 of the connection tip portion 11a of the pressing oscillator 10
0cを押圧し、これによって押圧揺動体10に枢支部1 Pressing the 0c, pivot portion 1 whereby the pressing oscillator 10
0aを中心として旋回させることで、押圧体10bが屈伸部4に当接し、且つ押圧して屈伸動作を与えるものである。 0a By pivoting about the one in which the pressing member 10b is brought into contact with the bending portion 4, and pressed to give a bending operation.

【0027】また、押圧螺子杆11が軸方向に移動し、 [0027] In addition, pressing the screw rod 11 is moved in the axial direction,
押圧揺動体10に旋回動作を与えるときに、螺子杆受1 When impart a swirling operation by the pressing oscillator 10, screw 杆受 1
2もその旋回中心部12b,12bを中心にして、適宜に旋回し、螺子杆受12が押圧螺子杆11の軸方向に一致できるようになっている。 2 also around its pivot center 12b, and 12b, pivoted appropriate screw 杆受 12 is enabled to match the axial direction of the pressing screw rod 11.

【0028】上記のロック体A1 及びロック解除手段A [0028] The lock body A1 and unlocking means A
2 等の主基板1上に設けられた装置は、図2に示すように、被覆体A3 にて被覆保護されており、具体的には被覆体A3 は立方体箱形状に形成された筺体部14がロック体A1 及びロック解除手段A2 を覆うようにして主基板1上に形成されるものであって、その筺体部14には、図1及び図3等に示すように、ロック頭部2が摺動自在となるようにロック頭部ガイド貫通孔15が形成されている。 The device provided on the main substrate 1 of 2, etc., as shown in FIG. 2, are covered and protected by the cover member A3, specifically covering body A3 is housing portion formed in a cubic box shape 14 there be one that is formed so as to cover the lock body A1 and unlocking means A2 on the main substrate 1, the the housing portion 14, as shown in FIGS. 1 and 3 or the like, the lock head 2 lock head guide through hole 15 so as to be slidable is formed.

【0029】さらに、筺体部14のロック頭部ガイド貫通孔15が形成された側壁板には、図1等に示すように、後述する被連結体Bのロック用連結板20が遊挿自在となる偏平挿入用溝16が形成されている。 Furthermore, the side wall plate of the lock head guide through hole 15 is formed in the housing portion 14, as shown in FIG. 1 or the like, locking the connecting plate 20 of the connecting member B to be described later freely movably inserted flat insertion groove 16 is formed composed.

【0030】また、筺体部14の頂部板上には、解除用貫通孔17が形成され、該解除用貫通孔17の形成個所に対応する位置に前記係止用アーム8の被当接部8bが存在し、その解除用貫通孔17を介して被連結体Bの解除用押上部21が挿入して係止用アーム8の被当接部8 Further, on the top plate of the housing portion 14, is formed released through holes 17, the contact portion 8b of the locking arm 8 at a position corresponding to the formation positions of the releasing holes 17 there exists, abutted portion 8 of the locking arm 8 is inserted releasing push-up portion 21 of the connecting member B via the releasing holes 17
bを押圧可能な構造となっている。 It has become a pressing structure capable b.

【0031】その主連結体Aの主基板1には、前述したように、主装着部18が設けられており、具体的には、 [0031] The main board 1 of the main connecting member A, as described above, a main mounting portion 18 is provided, specifically,
図2に示すように、主装着部18は主基板1の幅方向両側端に装着板18a,18aが形成され、該装着板18 As shown in FIG. 2, the main mounting portion 18 mainly both width-directional side end to the mounting plate 18a of the substrate 1, 18a are formed, said mounting plate 18
a,18aには装着孔18b,18bが形成されたものであって、ブームb先端に装着するときには、連結用軸をその装着孔18b,18bに貫通させてブームb先端に装着されるものである。 a, the 18a be one mounting hole 18b, 18b is formed, when attached to boom b tip, the mounting hole 18b of the connecting shaft, passed through the 18b and intended to be mounted on the boom b tip is there.

【0032】次に、被連結体Bでは従基板19の一側面上にロック用連結板20が形成され、該ロック用連結板20には前記ロック体A1 のロック頭部2が挿入自在となるロック用連結孔20aが形成されている。 Next, locking the connecting plate 20 is formed on one side surface of the sub-base 19 in the coupled body B, the locking head 2 of the locking body A1 is insertable in the locking connection plate 20 connecting hole 20a is formed for locking.

【0033】具体的には、被連結体Bと主連結体Aとを適正な連結状態としたときに、そのロック用連結板20 [0033] More specifically, when the main connecting member A to be coupled body B and a proper connection state, the locking connecting plate 20
が、図3に示すように、ロック体A1 の軸方向と直交し、且つロック用連結孔20aはロック頭部2に対向した状態となり、ロック体A1 が軸方向に移動したときに、ロック頭部2がロック用連結孔20aに貫通することができるように、そのロック用連結板20が従基板1 But, as shown in FIG. 3, perpendicular to the axial direction of the lock body A1, and locking the coupling hole 20a becomes a state of being opposed to the lock head 2, when the lock member A1 is moved in the axial direction, the locking head as can be part 2 penetrates the locking coupling hole 20a, the locking connecting plate 20 is sub-base 1
9に設けられたものである。 And it is provided in 9.

【0034】また、従基板19には、図2に示すように、解除用押上部21が形成され、該解除用押上部21 Further, the sub-base 19, as shown in FIG. 2, releasing the push-up section 21 is formed, the releasing push-up section 21
が主連結体Aの被覆体A3 方向に移動し、該被覆体A3 It is moved to the covering body A3 direction of the main connecting member A, the covering member A3
の解除用貫通孔17を介して、図10に示すように、前記係止用アーム8の被当接部8bを押圧することができる構成となっている。 Through the release through hole 17, as shown in FIG. 10, has a configuration which can press the abutted portion 8b of the locking arm 8.

【0035】また、従基板19には従装着部22が形成され、具体的には、図2に示すように、従装着部22は従基板19の幅方向両側端に従装着板22a,22aが形成され、該従装着板22a,22aには従装着孔22 Further, the sub-base 19 is formed 従装 attachment part 22, specifically, as shown in FIG. 2, 従装 deposition plate 22a 従装 attachment part 22 in the width direction both side ends of the sub-base 19, 22a There is formed, 従装 the driven mounting plate 22a, the 22a is Chakuana 22
b,22bが形成されたものであって、アタッチメントaに装着するときには、連結用軸をその従装着孔22 b, be one 22b is formed, when attached to the attachment a, the 従装 Chakuana the connecting shaft 22
b,22bに貫通させてアタッチメントaに装着されるものである。 b, it is intended to be attached to the attachment a by penetrating 22b.

【0036】その主連結体A及び被連結体Bには係合体A4 が設けられ、該係合体A4 の一実施例としては、連結用軸杆23とフック24とからなるものであり、主連結体Aと被連結体Bのいずれか一方に連結用軸杆23が設けられ、他方には前記連結用軸杆23に係合自在、且つ挿入開放部24aが形成されたフック24が設けられたものである。 [0036] As the main connecting member A and the coupled body B is engaging member A4 is provided, as an embodiment of the engagement polymer A4, and made of a connecting shaft rod 23 and the hook 24. The main connection coupling shaft rod 23 is provided on one of the body a and the connecting member B, and the other engageable in the coupling shaft rod 23, and the insertion opening hook 24 which 24a is formed is provided it is intended.

【0037】図1,図2等の実施例では、主連結体A側に連結用軸杆23が設けられ、被連結体Bにフック24 [0037] Figure 1, in the embodiment of such Figure 2, the connecting shaft rod 23 is provided in the main connecting body A side, the hook 24 in the coupled body B
が設けられたものであり、その連結用軸杆23は大径に形成され、主基板1のロック体A1 及びロック解除手段A2 が設けられている同一面に設置されたものであって、軸支持板25,25にて主基板1の面から適宜の間隔をおいて設置されたものである。 Are those that are provided, the connecting shaft rod 23 is formed in a large diameter, there is a lock body A1 and unlocking means A2 of the main substrate 1 is placed on the same plane provided, the shaft at the support plate 25, 25 in which is installed at appropriate distance from the surface of the main substrate 1.

【0038】本発明の建設作業機械用連結具の作用については、先ず、主連結体Aを建設用車両のブームb側先端に装着し、被連結体Bをショベル,破砕機等のアタッチメントa側に装着する。 [0038] For the action of the construction machine for coupling of the present invention, firstly, the main coupling body A is attached to the boom b side tip of construction vehicles, excavators and the coupled body B, the attachment a side of the crusher or the like in order to mount. このとき、主連結体Aでは、 At this time, the main coupling body A,
図1に示すように、ロック体A1 は係止用アーム8にてロック解除位置に固定した状態にしておく。 As shown in FIG. 1, the locking member A1 is left in the state of being fixed to the lock release position by the locking arm 8.

【0039】次に、図8(a)に示すように、アタッチメントa側を地上に固定し、建設用車両の運転室からブームbを操作して、主連結体Aのフック24をアタッチメントaの被連結体Bの連結用軸杆23個所に誘導し、 Next, as shown in FIG. 8 (a), to secure the attachment a side on the ground, by operating the boom b from the cab of a construction vehicle, the hook 24 of the main coupling body A of the attachment a induces the coupling shaft rod 23 points of connected bodies B,
フック24の挿入開放部24aから連結用軸杆23を挿入する。 Inserting the coupling shaft rod 23 from the insertion opening 24a of the hook 24.

【0040】次に、ブームbを操作して、図9に示すように、主連結体Aを連結用軸杆23を中心にして、主連結体Aが被連結体Bと略平行となるまで回動を続け、主連結体Aが被連結体Bに対して略平行に接触すると、被連結体Bのロック用連結板20が主連結体Aの偏平挿入用溝16内に収まり、且つロック用連結孔20aとロック頭部2とが対向し、ロック頭部2がロック用連結孔2 Next, by operating the boom b, as shown in FIG. 9, the main coupling body A around the connecting shaft rod 23, until the main coupling body A is substantially parallel to the coupled body B continued rotation, the main coupling body a is substantially parallel to contact with the connecting body B, the locking coupling plate 20 of the connecting member B is fit into a flat insertion groove 16 of the main coupling body a, and the lock and use the coupling hole 20a and the lock head 2 faces, the coupling hole 2 for locking the head 2 is locked
0aに挿入可能な状態になる。 Become can be inserted state to 0a.

【0041】これと略同時に、被連結体B側の解除用押上部21が、図10に示すように、主連結体Aの被覆体A3 に形成した解除用貫通孔17に挿入し、その解除用押上部21が係止用アーム8の被当接部8bに当たって、係止用アーム8をロック体A1 の被係止部6から外し、ロック体A1 の固定が解除されると、屈伸部4が弾性体7の弾性力にて一直線状に伸び、ロック頭部2がロック用連結孔20aに挿入し、主連結体Aと被連結体B [0041] At the substantially same time, releasing the push-up portion 21 of the connecting member B side, as shown in FIG. 10, is inserted into release through-hole 17 formed in the covering member A3 of the main connecting body A, the release use the push-up unit 21 against the contacted portion 8b of the locking arm 8, remove the locking arm 8 from the engaged portion 6 of the locking member A1, the fixing of the locking body A1 is released, flexions 4 There extends in a straight line at the elastic force of the elastic body 7, the locking head 2 is inserted into the locking coupling hole 20a, the main coupling body a and the connecting member B
との連結作業が完了する。 Consolidated working with is completed.

【0042】次に、連結状態の主連結体Aと被連結体B Next, the main coupling body A and the connecting member B of the connection state
とを分離するには、アタッチメントaを地上に置いて安定した状態とし、ロック解除手段A2 の押圧螺子杆11 To separate the bets, and a stable state at an attachment a terrestrial, pressing the unlocking means A2 screw rod 11
を主連結体Aの外部より作動具13を介して回転させ、 Is rotated via the operation device 13 from the outside of the main coupling body A,
押圧揺動体10,10にて屈伸部4を押圧し、該屈伸部4を屈伸させることにより、ロック頭部2をロック用連結孔20aから外すとともに、ロック体A1 の被係止部6と係止用アーム8とを係止させてロック解除状態を確保する。 Pressing the bending portion 4 at pressing oscillator 10, 10, by bending and stretching the 該屈 Shin portion 4, together with the unlocking head 2 from the locking connection hole 20a, engagement with the engaged portion 6 of the lock member A1 It is engaged and the locking arm 8 to ensure the unlocked state.

【0043】また、再度主連結体Aを被連結体Bに連結するためには、押圧螺子杆11を作動具13を介して回転させ、押圧揺動体10の押圧体10bを屈伸部4より離れた位置に移動させる。 [0043] Further, for connection to the connecting member B of the main coupling body A again, the pressing screw rod 11 is rotated via the operation device 13, leaves the pressing body 10b of the pressure oscillator 10 from the bending portion 4 It was moved to the position.

【0044】なお、上述したように主連結体Aはブームb先端に装着され、被連結体Bはアタッチメントa側に装着されることが多いが、必ずしも該実施例に限定されるものではなく、主連結体Aがアタッチメントaに装着され、被連結体Bがブームb先端に装着されることもある。 [0044] The main connecting body A as described above is mounted on the boom b tip, although the coupled body B is often attached to the attachment side a not necessarily limited to the examples, the main coupling body a is mounted on the attachment a, sometimes the coupled body B is mounted on the boom b tip.

【0045】また、主連結体A及び被連結体Bは、図8 [0045] The main connecting member A and the coupled body B is 8
(b)に示すように、予めブームb先端及びアタッチメントaに一体的に形成することもある。 (B), the also be integrally formed in advance boom b tip and the attachment a.

【0046】さらに、ロック体A1 には二基のロック頭部2,2が設けらていることが多いが、そのロック体A [0046] Furthermore, it is often locked head 2,2 of the two groups are found provided on the locking body A1, but the lock member A
1 のロック頭部2が一基設けられる実施例も存在する(図11参照)。 Examples 1 lock head 2 is provided one group is also present (see FIG. 11).

【0047】 [0047]

【発明の効果】本発明においては、略く字状に屈伸自在とし、且つ弾性体7にて伸び状態に付勢した屈伸部4を設けたロック体A1 と、屈伸部4の屈伸方向に移動且つ押圧可能な押圧揺動体10を設け、該押圧揺動体10を押圧螺子杆11の軸方向移動にて可動可能としたロック解除手段A2 とを設けた主連結体Aと、被連結体Bとからなり、主連結体Aと被連結体Bとの接触にてロック体A1 先端が被連結体B側に突出且つ貫通して弾発結合してなる建設作業機械用連結具としたことにより、主連結体Aと被連結体Bとの連結が瞬時にできるとともに、そのロックの解除を簡単にすることができるし、第2に構造を極めて簡単にすることができる。 In the present invention according to the present invention mobile, and freely bending and stretching in a substantially dogleg shape, and a locking member A1 having a bending portion 4 which is biased to extend state of an elastic member 7, the bending direction of the bending portion 4 the pressable pressing oscillator 10 provided and a main connecting body a provided the unlocking means A2 which enables movable pressing 圧揺 body 10 in the axial direction movement of the pressing screw rod 11, and the connecting member B consists, by which a main connecting member a and the coupled body B lock body A1 tip at contact formed by bonding elastic protrude and penetrate into the connecting body B side of the construction machine for coupling, with the connection between the main coupling body a and the connecting member B can be instantly, to be able to simplify the release of the lock can be extremely simplified structure to second.

【0048】上記効果を詳述すると、主連結体Aに設けたロック体A1 は、主連結体Aと、被連結体Bとの接触時にロック体A1 が被連結体B側に突出し、貫通することにより、主連結体Aと被連結体Bとの連結が略瞬時にできる。 [0048] More specifically the above effects, the lock member A1 provided in the main connecting body A is mainly coupling body and A, protrudes into the lock body A1 is the coupled body B side upon contact with the connecting body B, through it makes the connection between the main coupling body a and the connecting member B can substantially instantaneously.

【0049】さらに、主連結体Aと被連結体Bとの連結作業は、主連結体Aと被連結体Bとを単に接触させるのみにてロック体A1 が被連結体B側に突出且つ貫通するものであり、その操作は極めて簡単にすることができ、 [0049] Furthermore, connection work between the main coupling body A and the connecting member B is projected and through the lock body A1 is in the coupled body B side at only to simply contact the main coupling body A and the object to be coupled body B is intended to, it is possible that the operation is very simple,
且つ確実な連結が可能なので連結状態を確認する必要もなく、それに携わる作業員も不要にできる。 It is not necessary to check the connection state so capable and reliable connection can workers also unnecessary to engage in it.

【0050】また、その連結状態は主連結体Aに設けたロック体A1 が被連結体B側に突出して貫通し、連結を行っているので、ロック体A1 の軸方向に水平方向及び垂直方向の振動衝撃に対して極めて強固であり、従来の爪と軸による係止タイプのものに比べて振動,衝撃に対して極めて強く、耐久性を有するものにできる。 [0050] Further, the connecting state locking member A1 provided in the main connecting member A penetrates to protrude the connecting member B side, since doing connection, horizontal and vertical to the axial direction of the lock body A1 is extremely robust to vibration shock, vibration than that of the locking type by conventional claw and the shaft, very strong against impact, can be provided with a durability.

【0051】次に、ロック体A1 は屈伸部4を弾性体7 Next, the lock body A1 elastic body 7 a bending section 4
を使用して伸び状態に常時付勢しているので、ロック体A1 を一旦ロック状態とすると、そのロックを解除するまで、極めて強固なるロック状態を維持することができる。 Because it is always urged state growth using, and once locked state of the lock body A1, until you release the lock, it is possible to maintain the Naru extremely strong lock state.

【0052】さらに、ロック体A1 は、略く字状に屈伸自在で、且つ弾性体7にて伸び状態に付勢した屈伸部4 [0052] Furthermore, the lock body A1 is freely bending and stretching in a substantially dogleg shape, and bending section 4 which is biased to extend state an elastic body 7
を設けたものであり、またロック解除手段A2 は前記屈伸部4を押圧自在な押圧揺動体10に押圧螺子杆11の端部を回動自在に連結し、さらに押圧螺子杆11を水平面上に旋回自在な螺子杆受12にて螺合支持したものであり、押圧揺動体10は前記屈伸部4の屈伸部分に沿って当接且つ押圧可能となる。 The are those provided, also unlocking means A2 is rotatably connected to the end of the pressing screw rod 11 the bending portion 4 pressing freely pressing oscillator 10, further pressing screw rod 11 on a horizontal surface It is obtained by screwing supported by pivotable screw 杆受 12, pressing the oscillator 10 abutting and the depressible along a bending portion of the bending portion 4.

【0053】それゆえに、主連結体Aと被連結体Bとが連結し、そのロック体A1 が被連結体B側に突出且つ貫通した状態で、被連結体B側から受ける荷重にて強く圧接したときにロック体A1 が被連結体B側から抜けにくくなる場合が生じ、そのロック体A1 を被連結体Bより抜き出すのに大きな力が必要となるが、ロック体A1の屈伸部4に対して、押圧揺動体10の押圧力が屈伸部4 [0053] Therefore, the main coupling body A and connecting it with the coupling body B, in a state where the lock member A1 is projected and through the object to be coupled body B side, strongly pressed by the load received from the coupling body B side and when the lock member A1 is less likely to escape from the coupling body B side occur when the, a large force to the lock body A1 to withdraw from the connecting member B is required, with respect to flexions 4 of the lock body A1 Te, flexions 4 pressing force of the pressing oscillator 10
の屈伸と略同一方向に押圧するものであり、比較的僅かな力でロックの解除ができ、作業員の負担を減少させることができる。 The bending and is intended to press in substantially the same direction, can unlock a relatively slight force, it is possible to reduce the burden of the operator.

【0054】次に、屈伸部4を押圧自在な押圧揺動体1 Next, press freely pressing the bending portion 4 the oscillator 1
0に押圧螺子杆11の端部を回動自在に連結し、該押圧螺子杆11を旋回自在な螺子杆受12にて螺合支持することにより、その押圧螺子杆11が螺子杆受12に螺合していることにより、その押圧螺子杆11を回動することで、押圧螺子杆11の軸方向の力が直接押圧揺動体1 0 the ends of the pressing screw rod 11 rotatably connected to, by screwing supported by pressing 圧螺Ko rod 11 freely turning a screw 杆受 12, the pressing screw rod 11 to screw 杆受 12 by screwed, the pressing screw rod 11 by rotating, axial force is directly pressed oscillator 1 of the pressing screw rod 11
0に伝わり、且つ螺子杆受12を旋回自在としたことで押圧螺子杆11には軸方向以外に無理な荷重がかかることなく、軸方向に移動し極めて確実なるロック体A1 のロック解除ができる。 Transmitted to 0, and the pressing screw rod 11 by the pivotable screw 杆受 12 without consuming excessive load other than the axial direction can unlock very reliable Naru locking body A1 moves in the axial direction .

【0055】 [0055]

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】主連結体及び被連結体の縦断側面図 Figure 1 is a longitudinal side view of the main coupling body and the coupling body

【図2】主連結体と被連結体とを分離した状態の斜視図 2 is a perspective view of a separated state and the main connecting body and the connecting body

【図3】本発明の縦断平面図 Longitudinal plan view of the invention; FIG

【図4】ロック体及びロック解除手段を示す要部断面図 [4] cross sectional view showing a lock body and a lock releasing means

【図5】本発明の要部平面図 Fragmentary plan view of the present invention; FIG

【図6】図5のP−P矢視断面図 [6] P-P cross-sectional view taken along the line of FIG. 5

【図7】図5のQ−Q矢視断面図 [7] Q-Q cross-sectional view taken along the line of FIG. 5

【図8】(a)はブーム先端にアタッチメントを装着する状態を示す略示図 (b)は被連結体をアタッチメントに一体的に設けた略示図 8 (a) schematic view provided integrally with the attachment of the schematic view (b) is the coupling body showing the state of mounting the attachment to the boom tip

【図9】主連結体と被連結体とを前後方向一端にて係合した状態を示す縦断側面図 Figure 9 is a longitudinal side view showing the engagement between the main coupling member and the coupled body in the front-rear direction end

【図10】係止用アームがロック体から外れロックする状態を示す要部縦断側面図 Main part longitudinal sectional side view of Figure 10 locking arm showing a state in which the lock out from the lock body

【図11】ロック体を一基とした縦断平面図 FIG. 11 is a longitudinal plan view of the Ichiki the lock body

【符号の説明】 DESCRIPTION OF SYMBOLS

A…主連結体 A1 …ロック体 4…屈伸部 7…弾性体 B…被連結体 A2 …ロック解除手段 10…押圧揺動体 11…押圧螺子杆 A ... The main connecting body A1 ... lock body 4 ... flexions 7 ... elastic body B ... the connected member A2 ... unlocking means 10 ... pressing oscillator 11 ... pressing screw rod

───────────────────────────────────────────────────── フロントページの続き (72)発明者 松居 邦彦 千葉市花見川区千種町314番地 株式会 社坂戸工作所内 (72)発明者 永吉 勇 千葉市花見川区千種町314番地 株式会 社坂戸工作所内 (72)発明者 久野 利之 千葉市花見川区千種町314番地 株式会 社坂戸工作所内 (72)発明者 浅井 正幸 千葉市花見川区千種町314番地 株式会 社坂戸工作所内 (72)発明者 戸嶋 利文 千葉市花見川区千種町314番地 株式会 社坂戸工作所内 (56)参考文献 実開 昭60−96374(JP,U) (58)調査した分野(Int.Cl. 6 ,DB名) E02F 3/40 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Kunihiko Matsui Chiba Hanamigawa-ku Chikusa-cho, 314 address stock Company Sakado work-house (72) inventor Isamu Eikichi Chiba Hanamigawa-ku Chikusa-cho, 314 address stock Company Sakado work-site ( 72) inventor Toshiyuki Kuno Chiba Hanamigawa-ku Chikusa-cho, 314 address stock Company Sakado work-house (72) inventor Masayuki Asai Chiba Hanamigawa-ku Chikusa-cho, 314 address stock Company Sakado work-house (72) inventor Toshifumi Toshima Chiba Hanamigawa-ku Chikusa-cho, 314 address stock Company Sakado work-house (56) references JitsuHiraku Akira 60-96374 (JP, U) (58 ) investigated the field (Int.Cl. 6, DB name) E02F 3/40

Claims (1)

    (57)【特許請求の範囲】 (57) [the claims]
  1. 【請求項1】 略く字状に屈伸自在とし、且つ弾性体にて伸び状態に付勢した屈伸部を設けたロック体と、屈伸部の屈伸方向に移動且つ押圧可能な押圧揺動体を設け、 [Claim 1] to freely bending and stretching in a substantially dogleg shape, and a locking body provided with a bending portion which is biased to extend state, the mobile and can press the pressing oscillator in the bending direction of the bending portion provided and an elastic member ,
    該押圧揺動体を押圧螺子杆の軸方向移動にて可動可能としたロック解除手段とを設けた主連結体と、被連結体とからなり、主連結体と被連結体との接触にてロック体先端が被連結体側に突出且つ貫通して弾発結合してなることを特徴とした建設作業機械用連結具。 Lock pressing 圧揺 elements and main connecting body provided with a lock release means which enables movable in the axial direction movement of the pressing screw rod at the contact between it and a target coupling body, a main connection member to be coupled body the construction machine for coupling that characterized in that the body tip formed by bonding elastic protrude and penetrate into the coupled side.
JP8117493A 1993-03-17 1993-03-17 Construction work machine for connector Expired - Lifetime JP2809259B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8117493A JP2809259B2 (en) 1993-03-17 1993-03-17 Construction work machine for connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8117493A JP2809259B2 (en) 1993-03-17 1993-03-17 Construction work machine for connector

Publications (2)

Publication Number Publication Date
JPH06272272A true JPH06272272A (en) 1994-09-27
JP2809259B2 true JP2809259B2 (en) 1998-10-08

Family

ID=13739107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8117493A Expired - Lifetime JP2809259B2 (en) 1993-03-17 1993-03-17 Construction work machine for connector

Country Status (1)

Country Link
JP (1) JP2809259B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7975944B2 (en) * 1999-10-15 2011-07-12 John R. Ramun Modular system for connecting attachments to a construction machine
FR2809779B1 (en) * 2000-05-31 2002-07-19 Alain Husson A safety device for quick coupler for attaching a tool at the tip of the arm of a loader or the like

Also Published As

Publication number Publication date Type
JPH06272272A (en) 1994-09-27 application

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