JP3295644B2 - Safety equipment for construction machinery - Google Patents
Safety equipment for construction machineryInfo
- Publication number
- JP3295644B2 JP3295644B2 JP12221998A JP12221998A JP3295644B2 JP 3295644 B2 JP3295644 B2 JP 3295644B2 JP 12221998 A JP12221998 A JP 12221998A JP 12221998 A JP12221998 A JP 12221998A JP 3295644 B2 JP3295644 B2 JP 3295644B2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- winch
- lock
- indicator
- construction machine
- 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 - Fee Related
Links
Landscapes
- Jib Cranes (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、移動式クレーン
や杭打機等建設機械の安全装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety device for a construction machine such as a mobile crane and a pile driver.
【０００２】[0002]
【従来の技術】移動式クレーンや杭打機等の建設機械に
は、主巻用、補巻用、ブーム起伏用など複数のウインチ
が搭載されており、各ウインチのワイヤロープの巻き取
りドラムにはクラッチやブレーキが備えられているが、
運転者の誤操作などによって不意にワイヤロープが巻き
出されたりすることのないようにするため、ドラムロッ
ク装置が設けられている。このドラムロック装置は、機
体側に設けたロック部材を油圧シリンダ等によってウイ
ンチドラムに係止させる手段が採られている。2. Description of the Related Art A construction machine such as a mobile crane or a pile driver is equipped with a plurality of winches for main winding, auxiliary winding, and boom undulation. Has clutches and brakes,
A drum lock device is provided to prevent the wire rope from being unexpectedly unwound due to a driver's erroneous operation or the like. This drum lock device employs means for locking a lock member provided on the machine body side to a winch drum by a hydraulic cylinder or the like.
【０００３】[0003]
【発明が解決しようとする課題】クレーン等の運転手と
玉掛け作業者など機械回りでの作業者とは意志の疎通を
図りながら慎重に作業が行われているが、意志の疎通を
完全に図ることは難しい。 とくに、現在どのウインチ
がドラムロック状態であるか不明であるので、玉掛け作
業者にとっては常に不安があり、緊張した作業となって
いる。Although a driver such as a crane and a worker around a machine such as a slinging worker are working carefully while trying to communicate with each other, the communication between the drivers is completely attempted. It is difficult. In particular, since it is unknown which winch is currently in the drum locked state, the rigging worker is always worried and nervous.
【０００４】そこで本発明は、玉掛け作業者等が現在各
ウインチのドラムロック装置の投入状態を予め簡便に自
分で確認でき、不安なく作業できる安全装置を提供する
ことを目的とするものである。Accordingly, an object of the present invention is to provide a safety device which enables a slinging worker or the like to easily and in advance check the current state of the drum lock device of each winch by himself and work without worry.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、請求項１の発明では、次の手段を採った。即ち、ウ
インチドラムをロック部材によってワイヤロープの巻出
し方向への回動を係止するようにしたドラムロック装置
を備えたウインチを複数搭載したクレーンや杭打機等の
建設機械において、該複数のウインチの各ドラムロック
装置の投入を検知する検知器をロック部材に係合してそ
れぞれ設けるとともに、該各ドラムロック装置が投入さ
れているか否かを玉掛け作業者などに報知するため、各
検知器毎にそれぞれ対応した表示灯を一体のケースに収
めた表示器を運転室前方の機体正面部に設け、かつ、各
表示灯はそれぞれ異なる色で表示することを特徴として
いる。また、請求項２の発明は、請求項１の発明におい
て、前記表示器は機体正面の運転室下部に各表示灯を横
並びに配置して取り付けたことを特徴としている。 Means for Solving the Problems In order to achieve the above object, the invention of claim 1 employs the following means. That is, in a construction machine such as a crane or a pile driver equipped with a plurality of winches equipped with a drum lock device that is configured to lock the rotation of the winch drum in the unwinding direction of the wire rope by a lock member , provided with each engaging a detector for detecting the insertion of each drum lock device winch to the lock member, for informing whether respective drum locking device is turned like rigging workers, each
Indicator lights corresponding to each detector are stored in a single case.
Provided meta indicator fuselage front portion of the cab forward, and each
The indicator lights are displayed in different colors . The invention of claim 2 is the invention according to claim 1.
The indicator lights each indicator light below the cab in front of the fuselage.
It is characterized by being arranged and attached.
【０００６】[0006]
【発明の実施の形態】以下本発明を図面に示す実施形態
例に基づいて説明する。建設機械の一種である移動式ク
レーンは、図４に示すように履帯を備えた下部走行体１
に上部旋回体２を旋回可能に設け、該上部旋回体２にブ
ーム３を起伏可能に設けるとともに荷物を吊持搬送する
ための主巻きウインチ６、ブームを起伏するためのブー
ム起伏ウインチ７、補助的に吊り作業を行うための補巻
きウインチ８など複数のウインチが搭載されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in the drawings. As shown in FIG. 4, a mobile crane, which is a type of construction equipment, includes a lower traveling body 1 having crawler tracks.
The main swing winch 6 for suspending and transporting the load, the boom hoisting winch 7 for hoisting and lowering the boom, and the auxiliary A plurality of winches such as an auxiliary winding winch 8 for performing a suspending operation are mounted.
【０００７】各ウインチのウインチドラムはクラッチを
介して油圧モータと連結され、油圧モータの正転または
逆転によって、ワイヤロープの巻き取り・巻き出しが行
われる。各ウインチドラムには、爪車１１が固設されて
おり、機体側に設けたドラムロック装置１０と係合して
ワイヤロープの巻き出し方向にはウインチドラムが回動
しないように構成されている。[0007] The winch drum of each winch is connected to a hydraulic motor via a clutch, and the wire rope is wound and unwound by forward or reverse rotation of the hydraulic motor. Each winch drum is fixedly provided with a ratchet wheel 11, which is engaged with the drum lock device 10 provided on the machine body side so that the winch drum does not rotate in the unwinding direction of the wire rope. .
【０００８】このドラムロック装置１０は、図２に示す
ように機体側に設けた受台１４にロック部材１２がピン
１２ａで回動自在に設けられ、シリンダ１３によってロ
ック部材１２がウインチドラムの爪車１１に係脱される
構成となっている。そして、ドラムロック装置１０に
は、ロック部材１２が爪車１１に係合していることを検
知するための検知器１５が設けられている。この検知器
１５としてはロック部材１２が爪車１１に係合した位置
でＯＮに切り換わるリミットスイッチを用いている。な
お、シリンダ１３は送油したときにロック部材１２が爪
車１１から解放されるようにし、送油されていないとき
はバネでシリンダロッドが伸長するものを用いている。In this drum lock device 10, as shown in FIG. 2, a lock member 12 is rotatably provided by a pin 12a on a support 14 provided on the machine body side, and a lock member 12 is provided by a cylinder 13 so that the lock member 12 is provided on a winch It is configured to be disengaged from the car 11. The drum lock device 10 is provided with a detector 15 for detecting that the lock member 12 is engaged with the ratchet wheel 11. As the detector 15, a limit switch that is turned ON at a position where the lock member 12 is engaged with the ratchet wheel 11 is used. The cylinder 13 is configured such that the lock member 12 is released from the ratchet wheel 11 when oil is supplied, and the cylinder rod is extended by a spring when oil is not supplied.
【０００９】図３は電気系統を示す図であり、各ウイン
チドラムのドラムロック装置１０に設けた検知器１５
は、表示器２０にそれぞれ接続されており、ロック部材
１２が爪車１１に係合しているウインチドラムの対応す
る表示灯２１、２２、２３、２４が点灯される。例え
ば、２１はブーム起伏用ウインチ、２２はオプション仕
様で設けたサードウインチ、２３は主巻ウインチ、２４
は補巻ウインチに対応した表示灯とすればよい。FIG. 3 is a diagram showing an electric system, and a detector 15 provided in the drum lock device 10 of each winch drum.
Are respectively connected to the indicators 20, and the corresponding indicator lights 21, 22, 23, 24 of the winch drum in which the lock member 12 is engaged with the ratchet wheel 11 are turned on. For example, 21 is a winch for raising and lowering a boom, 22 is a third winch provided as an optional specification, 23 is a main winch, 24
May be an indicator light corresponding to the auxiliary winch.
【００１０】表示器２０は表示灯２１、２２、２３、２
４を一体のケースに収め、玉掛け作業者等が見やすく配
線が容易な機体正面の運転室下部に、各表示灯２１、２
２、２３、２４を横並びにして取付られている。そし
て、表示器２０のカバーは、ブームウインチを緑、主巻
ウインチを赤、補巻ウインチを青、サードウインチを黄
のように各表示灯２１、２２、２３、２４に対応して着
色されている。The display 20 has indicator lights 21, 22, 23, 2
4 are housed in an integral case, and each indicator light 21, 2
2, 23, 24 are mounted side by side . The cover of the indicator 20 is colored corresponding to the indicator lights 21, 22, 23, and 24, such as green for the boom winch, red for the main winch, blue for the auxiliary winch, and yellow for the third winch. I have.
【００１１】このように構成されているので、玉掛け作
業者など機械の回りでの作業者は一目でどのウインチが
ドラムロックの投入状態にあるか判別できるので、不安
が解消される。なお、それぞれのウインチに対応して操
作レバー、ブレーキペタルなどが運転室に配置されてい
るが、これらも前記色彩と同じく着色しておけば、運転
者の誤操作を防げるだけでなく、機械を取り扱う作業者
にとっても解り易いので、安全上の効果が期待できる。With this configuration, an operator around the machine, such as a slinging operator, can determine at a glance which winch is in the state in which the drum lock is inserted, thereby eliminating anxiety. In addition, operation levers, brake petals, etc. are arranged in the driver's cab corresponding to each winch, but if these are also colored in the same manner as the above-mentioned colors, not only can the erroneous operation of the driver be prevented, but also the machine is handled. Since it is easy for an operator to understand, a safety effect can be expected.
【００１２】[0012]
【発明の効果】以上説明したように、本発明の建設機械
の安全装置は、複数のウインチの各ドラムロック装置の
投入を検知する検知器をロック部材に係合してそれぞれ
設けるとともに、該各ドラムロック装置が投入されてい
るか否かを玉掛け作業者などに報知するため、各検知器
毎にそれぞれ対応した表示灯を一体のケースに収めた表
示器を運転室前方の機体正面部に設け、かつ、各表示灯
はそれぞれ異なる色で表示するようにしたので、玉掛け
作業者等はどのウインチドラムがロックされているかを
一目で判断できるので、予め心の準備ができ安全な作業
が効率よくできるばかりでなく、常に緊張した作業を強
いられることがなく精神的疲労を減少できる。As described above, according to the present invention, the safety system for a construction machine of the present invention, provided with each engaging a detector for detecting the insertion of each drum lock device of a plurality of winches on the locking member, each of said In order to notify the slinging worker etc. whether or not the drum lock device is turned on , each detector
An indicator which accommodates the corresponding indicator light in an integrated case is provided in the front of the fuselage in front of the cab , and each indicator light is provided .
Are displayed in different colors, so that the slinging worker etc. can determine at a glance which winch drum is locked, so that not only can the mind be prepared in advance and safe work can be performed efficiently, but also always Mental fatigue can be reduced without being nervous.
【図１】本発明の一実施形態としての安全装置の表示器
の取付状態を示す図である。FIG. 1 is a diagram showing an attached state of an indicator of a safety device as one embodiment of the present invention.
【図２】本実施形態のドラムロック装置の検知装置を示
す図である。FIG. 2 is a diagram illustrating a detection device of the drum lock device according to the embodiment.
【図３】本実施形態の安全装置の電気系統図である。FIG. 3 is an electric system diagram of the safety device of the embodiment.
【図４】本実施形態の移動式クレーンの全体を示す側面
図である。FIG. 4 is a side view showing the entire movable crane of the present embodiment.
１…下部走行体 ２…上部旋回体 ３…ブーム ６…主巻ウインチ ７…ブーム起伏ウインチ ８…補巻ウインチ １０…ドラムロック装置 １１…爪車 １２…ロック部材 １２ａ…ピン １３…シリンダ １４…受台 １５…検知器 ２０…表示器 ２１、２２、２３、２４…表示灯 DESCRIPTION OF SYMBOLS 1 ... Lower running body 2 ... Upper revolving superstructure 3 ... Boom 6 ... Main winch 7 ... Boom raising / lowering winch 8 ... Supplementary winch 10 ... Drum lock device 11 ... Claw wheel 12 ... Lock member 12a ... Pin 13 ... Cylinder 14 ... Receiving Table 15 ... Detector 20 ... Display 21,22,23,24 ... Indicator light
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B66C 23/88 B66D 1/54 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) B66C 23/88 B66D 1/54
Claims (2)
イヤロープの巻出し方向への回動を係止するようにした
ドラムロック装置を備えたウインチを複数搭載したクレ
ーンや杭打機等の建設機械において、該複数のウインチ
の各ドラムロック装置の投入を検知する検知器をロック
部材に係合してそれぞれ設けるとともに、該各ドラムロ
ック装置が投入されているか否かを玉掛け作業者などに
報知するため、各検知器毎にそれぞれ対応した表示灯を
一体のケースに収めた表示器を運転室前方の機体正面部
に設け、かつ、各表示灯はそれぞれ異なる色で表示する
ことを特徴とする建設機械の安全装置。1. A construction machine such as a crane or a pile driver having a plurality of winches equipped with a drum lock device having a drum lock device configured to lock a rotation of a winch drum in a winding direction of a wire rope by a lock member. The plurality of winches
Charged provided with respectively engaged with the lock member detector for detecting the respective drum locking device, for informing whether respective drum locking device is turned like rigging workers, each detector Indicator lights corresponding to
A safety device for a construction machine , wherein an indicator housed in an integrated case is provided in a front part of a fuselage in front of a driver's cab , and each indicator light is displayed in a different color .
表示灯を横並びに配置して取り付けたことを特徴とする
請求項１記載の建設機械の安全装置。2. The display is provided at the lower part of the cab in front of the fuselage.
The safety device for a construction machine according to claim 1, wherein the indicator lights are arranged side by side and mounted .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12221998A JP3295644B2 (en) | 1998-05-01 | 1998-05-01 | Safety equipment for construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12221998A JP3295644B2 (en) | 1998-05-01 | 1998-05-01 | Safety equipment for construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11314884A JPH11314884A (en) | 1999-11-16 |
| JP3295644B2 true JP3295644B2 (en) | 2002-06-24 |
Family
ID=14830505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12221998A Expired - Fee Related JP3295644B2 (en) | 1998-05-01 | 1998-05-01 | Safety equipment for construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3295644B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100392228B1 (en) * | 2000-11-14 | 2003-07-22 | 미래산업 주식회사 | Safety Apparatus for Manipulator of Handler |
| JP5468430B2 (en) * | 2010-03-16 | 2014-04-09 | 新日鐵住金株式会社 | Work gondola fall prevention mechanism |
| JP2011241014A (en) * | 2010-05-17 | 2011-12-01 | Nippon Sharyo Seizo Kaisha Ltd | Construction machine |
| JP2021107267A (en) * | 2019-12-27 | 2021-07-29 | コベルコ建機株式会社 | Crane and crane control method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0540290U (en) * | 1991-11-05 | 1993-05-28 | 株式会社神戸製鋼所 | Wheeled crane |
| JPH0930781A (en) * | 1995-07-13 | 1997-02-04 | Komatsu Ltd | Drum lock safety device of winch, and control method thereof |
-
1998
- 1998-05-01 JP JP12221998A patent/JP3295644B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11314884A (en) | 1999-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11053105B2 (en) | Crane vehicle | |
| EP3231762B1 (en) | Mobile crane | |
| JP3295644B2 (en) | Safety equipment for construction machinery | |
| US5992655A (en) | Caterpillar sideboom replacement assembly | |
| EP1634847B1 (en) | Crane | |
| US2321549A (en) | Sheave mounting for hoisting booms | |
| JP6243746B2 (en) | Hydraulic gathering machine | |
| EP3360840B1 (en) | Operating machine | |
| JP3214062U (en) | Work safety confirmation device | |
| CN210103316U (en) | Multifunctional vehicle operating device and multifunctional vehicle | |
| JP6202665B2 (en) | External power supply connection device for work machines | |
| JP5800481B2 (en) | Pile driver | |
| JP3096886B2 (en) | Construction machinery | |
| JPH11314885A (en) | Safety device for construction equipment | |
| KR20080101489A (en) | Excavator of having hook attachment possibility with working apparatus | |
| JP2011168381A (en) | Walking crane | |
| JP3724980B2 (en) | Leader pile driver | |
| JPS6011907Y2 (en) | Damage prevention device for hook block storage device on truck with crane | |
| JPH0820493A (en) | Safety device for construction machine | |
| JPS586863Y2 (en) | Brake non-operation warning device for winch | |
| JPS606062Y2 (en) | Detent mechanism release device | |
| JPS6139447B2 (en) | ||
| JPH0367893A (en) | Winch device in crane truck | |
| JPS5842387Y2 (en) | Mobile crane counterweight holding device | |
| JP2002145582A (en) | Boom derricking gear for work machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080405 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090405 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090405 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100405 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110405 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120405 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130405 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130405 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140405 Year of fee payment: 12 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |