JPH07189294A - Lift device of construction machine - Google Patents
Lift device of construction machineInfo
- Publication number
- JPH07189294A JPH07189294A JP35211593A JP35211593A JPH07189294A JP H07189294 A JPH07189294 A JP H07189294A JP 35211593 A JP35211593 A JP 35211593A JP 35211593 A JP35211593 A JP 35211593A JP H07189294 A JPH07189294 A JP H07189294A
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- counterweight
- lifting device
- link member
- counter weight
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Ladders (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、油圧ショベルなど建設
機械、産業車両に装備している昇降装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device equipped on construction machines such as hydraulic excavators and industrial vehicles.
【０００２】[0002]
【従来の技術】図６は、従来技術の昇降装置を装備した
油圧ショベルの要部側面図である。図において、１は上
部旋回体、２はキャブ、３はエンジン室、４はカウンタ
ウエイト、５はフュエルタンク、６はカバ−、７はステ
ップ、８は下部走行体、９はトラックリンクである。図
６に示すように上部旋回体１の左前部にキャブ２を、後
部にエンジン室３及びカウンタウエイト４を、右前部に
フュエルタンク５及びカバ−６を設け、また上部旋回体
１の右前端部に昇降用のステップ７を設けている。2. Description of the Related Art FIG. 6 is a side view of essential parts of a hydraulic excavator equipped with a conventional lifting device. In the figure, 1 is an upper swing body, 2 is a cab, 3 is an engine compartment, 4 is a counterweight, 5 is a fuel tank, 6 is a cover, 7 is a step, 8 is a lower traveling body, and 9 is a track link. As shown in FIG. 6, a cab 2 is provided on the left front part of the upper revolving structure 1, an engine compartment 3 and a counterweight 4 are provided on the rear part, a fuel tank 5 and a cover 6 are provided on the right front part, and the right front end of the upper revolving structure 1 is provided. A step 7 for raising and lowering is provided in the section.
【０００３】[0003]
【発明が解決しようとする課題】機械を長期間使用して
いく中で、エンジンあるいは油圧部品など機器類のメン
テナンスを上部旋回体の上面部にて実施することが多
い。このとき従来技術では、下部走行体のトラックリン
クの上に昇り、ステップ、カバ−を経由してフュエルタ
ンクの上面部すなわち上部旋回体の上面部に昇ることに
なる。しかしこれではエンジンなどのメンテナンスをす
るには遠回りとなり、交換部品、工具などの持運びに不
便である。本発明は、上記の問題点を解決することを目
的とする。While the machine is used for a long period of time, maintenance of equipment such as an engine or hydraulic parts is often carried out on the upper surface of the upper swing body. At this time, according to the conventional technique, the vehicle rises above the track link of the undercarriage and goes up to the upper surface of the fuel tank, that is, the upper surface of the upper revolving structure via the steps and the covers. However, this makes it a long way to carry out maintenance of the engine and the like, and it is inconvenient to carry replacement parts and tools. The present invention aims to solve the above problems.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するた
め、本発明では第１の手段として、カウンタウエイトの
後面側の上部及び下部に係止部を設け、その上部及び下
部の係止部に着脱自在に梯子を係止させるようにした。
第２の手段として、上記梯子をカウンタウエイト下部の
係止部に対し上下方向に回動できるように取付け、かつ
係止部が水平方向に回動できるようにした。第３の手段
として、上記梯子の上端部付近にリンク部材の一端を回
動自在に取付け、そのリンク部材の他端をカウンタウエ
イト上部の係止部に係止させるようにした。第４の手段
として、カウンタウエイト下部の係止部にリンク部材の
一端を上下方向に回動できるように連結し、そのリンク
部材の他端部に上記梯子を上下方向に回動自在に取付
け、また梯子の上端部付近にピンを設け、カウンタウエ
イト上部の係止部に、上記ピンを係止させるようにして
構成した。In order to achieve the above-mentioned object, as a first means of the present invention, engaging portions are provided on the upper and lower portions on the rear surface side of the counterweight, and the engaging portions on the upper and lower portions are provided. The ladder is detachably attached.
As a second means, the ladder is attached to the engaging portion at the lower part of the counterweight so as to be vertically rotatable, and the engaging portion is horizontally rotatable. As a third means, one end of a link member is rotatably attached near the upper end of the ladder, and the other end of the link member is locked to a locking portion above the counterweight. As a fourth means, one end of a link member is rotatably connected to a locking portion at the lower part of the counterweight, and the ladder is attached to the other end of the link member so as to be vertically rotatable. Further, a pin is provided near the upper end of the ladder, and the pin is locked to the locking part above the counterweight.
【０００５】[0005]
【作用】上記のように構成された昇降装置では、作業者
が梯子を使用するとき、カウンタウエイト下面部の係止
部材と梯子との連結部を中心として梯子を上方に回動さ
せてカウンタウエイトの後面側に立てる。その後梯子の
上端部に設けたリンク部材をカウンタウエイト上面部の
係止部材に係止させることにより、容易に梯子を使用可
能状態にセットすることができる。また梯子を使用した
後は、上記リンク部材を係止部材より取り外し、梯子を
後部に転倒させてほぼ水平な状態にし、カウンタウエイ
ト下面部に設けた垂直軸を中心として梯子をカウンタウ
エイト下面部の係止部材とともに水平方向に回動させ、
カウンタウエイトの下面部に収納させることができる。
あるいはまた、梯子をカウンタウエイトの後面部に立て
た後、梯子の左右外側面部の上端部付近に設けたピンを
カウンタウエイト後面側の上端部に設けた係止部材に係
止させ、梯子を使用可能状態にセットすることができ
る。In the lifting device configured as described above, when the operator uses the ladder, the counterweight is rotated by rotating the ladder upward about the connecting portion between the locking member on the lower surface of the counterweight and the ladder. Stand on the rear side. After that, the link member provided on the upper end of the ladder is locked to the locking member on the upper surface of the counterweight, so that the ladder can be easily set to the usable state. After using the ladder, the link member is removed from the locking member, and the ladder is tumbled to the rear to make it almost horizontal, and the ladder is attached to the lower surface of the counterweight about the vertical axis provided on the lower surface of the counterweight. Rotate horizontally with the locking member,
It can be stored on the lower surface of the counterweight.
Alternatively, after the ladder is erected on the rear surface of the counterweight, the pins provided near the upper ends of the left and right outer side surfaces of the ladder are locked to the locking members provided on the upper end of the counterweight rear surface, and the ladder is used. Can be set to enabled state.
【０００６】[0006]
【実施例】以下、本発明の実施例を図面に基づいて詳細
に説明する。図１は、本発明請求項１の昇降装置を装備
した油圧ショベルの要部側面図である。図において、従
来技術と同一構成要素を使用するものに対しては同符号
を付す。１０はカウンタウエイト、１１は梯子、１２，
１３はカウンタウエイト１０の後面側に設けたブラケッ
ト、１４はピン、１５は梯子１１を収納するためのブラ
ケットである。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a side view of essential parts of a hydraulic excavator equipped with the lifting device according to claim 1 of the present invention. In the figure, the same reference numerals are given to those using the same constituent elements as those in the prior art. 10 is a counterweight, 11 is a ladder, 12,
13 is a bracket provided on the rear surface side of the counterweight 10, 14 is a pin, and 15 is a bracket for accommodating the ladder 11.
【０００７】図２は、本発明請求項２及び請求項３の昇
降装置を装備した油圧ショベルの要部側面図である。図
において、１６はカウンタウエイト、１７はカウンタウ
エイト１６に設けた吊り桿、１８はカウンタウエイト１
６の下面部に設けた垂直軸、１９は係止部材、２０は梯
子、２１は梯子２０に取付けたリンク部材、２２はピン
である。図３は、図１のＡより見た昇降装置の使用状態
を示す要部後面図である。図において、２３はピンであ
る。図４は、図１のＡより見た昇降装置の収納状態を示
す要部後面図である。図において、２３は係止部材であ
る。FIG. 2 is a side view of the essential parts of a hydraulic excavator equipped with the lifting device according to claims 2 and 3 of the present invention. In the figure, 16 is a counterweight, 17 is a hanging rod provided on the counterweight 16, and 18 is a counterweight 1.
6 is a vertical shaft provided on the lower surface of the support 6, 19 is a locking member, 20 is a ladder, 21 is a link member attached to the ladder 20, and 22 is a pin. FIG. 3 is a rear view of the main parts showing the usage state of the lifting device as viewed from A of FIG. In the figure, 23 is a pin. FIG. 4 is a rear view of the essential parts showing the housed state of the lifting device as viewed from A of FIG. In the figure, 23 is a locking member.
【０００８】図５は、本発明請求項２及び請求項４の昇
降装置を示す要部側面図である。図において、２４はカ
ウンタウエイト、２５は係止部材、２６はリンク部材、
２７はカウンタウエイト２４に設けたブラケット、２８
は梯子、２９は梯子２８に固設したピン、３０はリンク
部材２６と梯子２８を連結するピンである。FIG. 5 is a side view of the essential portions showing the lifting device according to claims 2 and 4 of the present invention. In the figure, 24 is a counterweight, 25 is a locking member, 26 is a link member,
27 is a bracket provided on the counterweight 24, 28
Is a ladder, 29 is a pin fixed to the ladder 28, and 30 is a pin connecting the link member 26 and the ladder 28.
【０００９】次に、本発明の昇降装置の構成を図１〜図
５について述べる。請求項１の昇降装置は図１に示すよ
うに、カウンタウエイト１０の後面側にブラケット１２
及び１３を設け、梯子１１をピン１４にて係止してい
る。また梯子１１を使用しないときには、カウンタウエ
イト１０の下面部に設けたブラケット１５に保持、収納
するように構成している。請求項２及び請求項３の昇降
装置は、図２〜図３に示すように、カウンタウエイト１
６の下面部に係止部材１９を垂直軸１８を介して水平方
向に回動自在に取付け、その係止部材１９にピン２２を
介して梯子２２を上下方向に回動できるように連結して
いる。また梯子２０の上端部付近にリンク部材２１の一
端をピン２２を介して取付け、そのリンク部材２１の他
端をカウンタウエイト１６の上面部に設けた吊り桿１７
にピン２３を介して係止している。また図４に示すよう
に、梯子２０を転倒させ、垂直軸１８を中心として係止
部材１９とともに水平方向に回動させてカウンタウエイ
ト１６の下面部に収納し、係止部材２３にて保持するよ
う構成している。請求項２及び請求項４の昇降装置は、
図５に示すようにカウンタウエイト２４の下面部に係止
部材２５を垂直軸１８を介して水平方向に回動自在に取
付け、その係止部材２５にリンク部材２６及びピン３０
を介して梯子２８を上下方向に回動できるように連結し
ている。また梯子２８の左右外側面の上端部付近にピン
２９を設け、カウンタウエイト２４の後面側上部に設け
たブラケット２７に係止させている。梯子２８を使用し
ないときには、梯子２８を転倒させ、垂直軸１８を中心
として係止部材２５及びリンク部材２６とともに水平方
向に回動させ、カウンタウエイト２４の下面部に収納す
るように構成している。Next, the structure of the lifting device of the present invention will be described with reference to FIGS. As shown in FIG. 1, the lifting device according to claim 1 has a bracket 12 on the rear surface side of the counterweight 10.
And 13 are provided, and the ladder 11 is locked by the pin 14. Further, when the ladder 11 is not used, it is configured to be held and stored in a bracket 15 provided on the lower surface of the counterweight 10. As shown in FIGS. 2 and 3, the lifting device according to claim 2 and claim 3 includes a counterweight 1
A locking member 19 is attached to the lower surface of 6 rotatably in the horizontal direction via a vertical shaft 18, and a ladder 22 is connected to the locking member 19 via a pin 22 so as to be vertically rotatable. There is. Further, one end of a link member 21 is attached near the upper end portion of the ladder 20 via a pin 22, and the other end of the link member 21 is provided on the upper surface of the counterweight 16 and a hanging rod 17 is provided.
It is locked via a pin 23. Further, as shown in FIG. 4, the ladder 20 is turned over and horizontally rotated around the vertical shaft 18 together with the locking member 19 so as to be housed in the lower surface of the counterweight 16 and held by the locking member 23. Is configured as follows. The lifting device according to claim 2 and claim 4,
As shown in FIG. 5, the locking member 25 is attached to the lower surface of the counterweight 24 so as to be rotatable in the horizontal direction via the vertical shaft 18, and the link member 26 and the pin 30 are attached to the locking member 25.
The ladder 28 is connected via the so as to be rotatable in the vertical direction. Further, pins 29 are provided near the upper ends of the left and right outer surfaces of the ladder 28, and are engaged with a bracket 27 provided on the upper portion of the counterweight 24 on the rear surface side. When the ladder 28 is not used, the ladder 28 is turned over, horizontally rotated around the vertical shaft 18 together with the locking member 25 and the link member 26, and is stored in the lower surface of the counterweight 24. .
【００１０】[0010]
【発明の効果】本発明の昇降装置を使用するときは、カ
ウンタウエイトの下面部に収納している梯子を水平方向
に回動して後方に出して立て、その上端部をカウンタウ
エイトの上部に設けた係止部材に係止固定させて使用す
ることができる。これにより、上部旋回体の上面部への
昇降が容易になり、とくにエンジン等のメンテナンス性
の向上を図ることができる。When the elevating device of the present invention is used, the ladder accommodated in the lower surface of the counterweight is horizontally rotated to extend to the rear and stand upright, and the upper end of the ladder is placed above the counterweight. It can be used by being locked and fixed to the locking member provided. As a result, it becomes easy to move up and down to the upper surface of the upper swing body, and it is possible to improve the maintainability of the engine and the like.
【図１】本発明請求項１の昇降装置を装備した油圧ショ
ベルの要部側面図である。FIG. 1 is a side view of essential parts of a hydraulic excavator equipped with the lifting device according to claim 1 of the present invention.
【図２】本発明請求項２及び請求項３の昇降装置を装備
した油圧ショベルの要部側面図である。FIG. 2 is a side view of essential parts of a hydraulic excavator equipped with the lifting device according to claims 2 and 3 of the present invention.
【図３】図１のＡより見た昇降装置の使用状態を示す要
部後面図である。FIG. 3 is a rear view of the essential parts showing the usage state of the lifting device as viewed from A of FIG.
【図４】図１のＡより見た昇降装置の収納状態を示す要
部後面図である。FIG. 4 is a rear view of the main parts showing the housed state of the lifting device as viewed from A of FIG.
【図５】本発明請求項２及び請求項４の昇降装置の要部
側面図である。FIG. 5 is a side view of essential parts of the lifting device according to claims 2 and 4 of the present invention.
１ 上部旋回体 ３ エンジン室 ４，１０，１６，２４ カウンタウエイト ７ ステップ １１，２０，２８ 梯子 １２，１３，１５，２７ ブラケット １４，２２，２３，２９，３０ ピン １７ 吊り桿 １８ 垂直軸 １９，２５ 係止部材 ２１，２６ リンク部材 1 Upper revolving structure 3 Engine room 4, 10, 16, 24 Counterweight 7 Steps 11, 20, 28 Ladder 12, 13, 15, 27 Bracket 14, 22, 23, 29, 30 pin 17 Suspension rod 18 Vertical shaft 19, 25 locking member 21, 26 link member
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成６年７月４日[Submission date] July 4, 1994
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】図面の簡単な説明[Name of item to be corrected] Brief description of the drawing
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明請求項１の昇降装置を装備した油圧ショ
ベルの要部側面図である。FIG. 1 is a side view of essential parts of a hydraulic excavator equipped with the lifting device according to claim 1 of the present invention.
【図２】本発明請求項２及び請求項３の昇降装置を装備
した油圧ショベルの要部側面図である。FIG. 2 is a side view of essential parts of a hydraulic excavator equipped with the lifting device according to claims 2 and 3 of the present invention.
【図３】図１のＡより見た昇降装置の使用状態を示す要
部後面図である。FIG. 3 is a rear view of the essential parts showing the usage state of the lifting device as viewed from A of FIG.
【図４】図１のＡより見た昇降装置の収納状態を示す要
部後面図である。FIG. 4 is a rear view of the main parts showing the housed state of the lifting device as viewed from A of FIG.
【図５】本発明請求項２及び請求項４の昇降装置の要部
側面図である。FIG. 5 is a side view of essential parts of the lifting device according to claims 2 and 4 of the present invention.
【図６】従来技術の昇降装置を装備した油圧ショベルの
要部側面図である。FIG. 6 is a side view of a main part of a hydraulic excavator equipped with a lifting device according to the related art.
【符号の説明】 １ 上部旋回体 ３ エンジン室 ４，１０，１６，２４ カウンタウエイト ７ ステップ １１，２０，２８ 梯子 １２，１３，１５，２７ ブラケット １４，２２，２３，２９，３０ ピン １７ 吊り桿 １８ 垂直軸 １９，２５ 係止部材 ２１，２６ リンク部材[Explanation of Codes] 1 Upper revolving structure 3 Engine room 4, 10, 16, 24 Counterweight 7 Steps 11, 20, 28 Ladder 12, 13, 15, 27 Bracket 14, 22, 23, 29, 30 pin 17 Suspension rod 18 Vertical shaft 19,25 Locking member 21,26 Link member
Claims (4)
ンジン室及びカウンタウエイトを装備し、その上部旋回
体の上面部に昇るための昇降装置において、カウンタウ
エイトの後面側の上部及び下部に係止部を設け、その上
部及び下部の係止部に着脱自在に梯子を係止させるよう
にしたことを特徴とする建設機械の昇降装置。1. An elevator for equipping a front part of an upper revolving structure with a driver's cab, a rear part with an engine room and a counterweight, and an ascending / descending device for ascending to an upper surface part of the upper revolving structure. An elevating device for a construction machine, wherein a locking portion is provided at a lower portion, and the ladder is detachably locked to the upper and lower locking portions.
部に対し上下方向に回動できるように取付け、かつ係止
部が水平方向に回動できるようにしたことを特徴とす
る、請求項１記載の建設機械の昇降装置。2. The ladder according to claim 1, wherein the ladder is attached to an engaging portion below the counterweight so as to be vertically rotatable, and the engaging portion is horizontally rotatable. Lifting device for the described construction machine.
端を回動自在に取付け、そのリンク部材の他端をカウン
タウエイト上部の係止部に係止させるようにしたことを
特徴とする、請求項２記載の建設機械の昇降装置。3. One end of a link member is rotatably attached near the upper end of the ladder, and the other end of the link member is locked to a locking portion above the counterweight. The lifting device for a construction machine according to claim 2.
部材の一端を上下方向に回動できるように連結し、その
リンク部材の他端部に上記梯子を上下方向に回動自在に
取付け、また梯子の上端部付近にピンを設け、カウンタ
ウエイト上部の係止部に、上記ピンを係止させるように
したことを特徴とする、請求項２記載の建設機械の昇降
装置。4. One end of a link member is rotatably connected to an engaging portion at the lower part of the counterweight, and the ladder is attached to the other end of the link member so as to be vertically rotatable. The lifting device for a construction machine according to claim 2, wherein a pin is provided near an upper end of the ladder, and the pin is locked to a locking part on an upper part of the counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35211593A JPH07189294A (en) | 1993-12-27 | 1993-12-27 | Lift device of construction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35211593A JPH07189294A (en) | 1993-12-27 | 1993-12-27 | Lift device of construction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07189294A true JPH07189294A (en) | 1995-07-28 |
Family
ID=18421882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35211593A Pending JPH07189294A (en) | 1993-12-27 | 1993-12-27 | Lift device of construction machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07189294A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220144597A1 (en) * | 2020-11-06 | 2022-05-12 | Liebherr-Werk Nenzing Gmbh | Mobile crane having a folding walking platform |
| WO2023084963A1 (en) * | 2021-11-12 | 2023-05-19 | 株式会社小松製作所 | Work machine |
-
1993
- 1993-12-27 JP JP35211593A patent/JPH07189294A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220144597A1 (en) * | 2020-11-06 | 2022-05-12 | Liebherr-Werk Nenzing Gmbh | Mobile crane having a folding walking platform |
| US11873196B2 (en) * | 2020-11-06 | 2024-01-16 | Liebherr-Werk Nenzing Gmbh | Mobile crane having a folding walking platform |
| WO2023084963A1 (en) * | 2021-11-12 | 2023-05-19 | 株式会社小松製作所 | Work machine |
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