JPS6246403Y2 - - Google Patents
Info
- Publication number
- JPS6246403Y2 JPS6246403Y2 JP7253479U JP7253479U JPS6246403Y2 JP S6246403 Y2 JPS6246403 Y2 JP S6246403Y2 JP 7253479 U JP7253479 U JP 7253479U JP 7253479 U JP7253479 U JP 7253479U JP S6246403 Y2 JPS6246403 Y2 JP S6246403Y2
- Authority
- JP
- Japan
- Prior art keywords
- chain wheel
- chain
- fulcrum
- balance arm
- wheel
- 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
- 238000007790 scraping Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Chain Conveyers (AREA)
Description
【考案の詳細な説明】
本考案は沈砂掻揚装置に係り、特にバケツトコ
ンベアのチエーン緊張装置を備えた沈砂掻揚装置
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sand raking device, and more particularly to a sand raking device equipped with a chain tension device of a bucket conveyor.
従来、池上を走行しながら台車に設けられたバ
ケツトコンベアによつて池底に堆積した沈砂を掻
揚げる走行式の沈砂掻揚装置は一般に知られてい
る。そして、バケツトコンベアはアームに支持さ
れて回転し、アームの揺動に伴なつて上下に揺動
できるように構成されている。 BACKGROUND ART Conventionally, a traveling type sand raking device is generally known, which lifts up sediment accumulated on the bottom of a pond using a bucket conveyor installed on a truck while traveling on a pond. The bucket conveyor is supported by an arm, rotates, and is configured to be able to swing up and down as the arm swings.
しかしながらこの種の装置においては、アーム
は一端が機枠にピン支持されかつ他端に鎖車が装
着され、バケツトコンベアのチエーンはこの鎖車
を介して張設され、アームが池底に下降している
状態でチエーンの張力が一定になるように構成さ
れている。このため、池底に沈砂が異常堆積して
いるとアームの角度が変わつてチエーンの張りが
不均一になり、この状態でバケツトコンベアを運
転するとチエーンが鎖車より脱落して沈砂の掻揚
が不可能になるという難点がある。 However, in this type of device, one end of the arm is supported by pins on the machine frame and a chain wheel is attached to the other end, and the chain of the bucket conveyor is stretched through this chain wheel, and the arm is lowered to the bottom of the pond. The structure is such that the tension in the chain remains constant when the For this reason, if there is abnormal accumulation of sediment on the pond bottom, the angle of the arm changes and the tension of the chain becomes uneven, and if the bucket conveyor is operated in this condition, the chain will fall off the chain wheel and scrape up the sediment. The problem is that it becomes impossible.
本考案はかかる従来の難点を解決するために創
案されたもので、その目的とするところは、アー
ム揺動範囲内のがいかなる位置にあつてもバケツ
トコンベアのチエーンが脱落することがない沈砂
掻揚装置を提供するにある。 The present invention was devised in order to solve these conventional difficulties, and its purpose is to prevent the chain of the bucket conveyor from falling off no matter what position it is within the swing range of the arm. To provide a raking device.
上記目的を達成するために本考案は、池上を走
行する走行台車と、前記走行台車に取付けられて
中心から偏心した位置を支点として上下方向に揺
動可能にされたバランスアームと、前記バランス
アームの支点に近い端部に回転可能に取付けられ
て前記バランスアームと共に移動可能にされた第
１の鎖車と、前記バランスアームの支点から遠い
端部に回転可能に取付けられて前記バランスアー
ムと共に移動可能にされた第２の鎖車と、上方に
最大量移動した前記第１の鎖車の位置の略直上に
位置するように前記走行台車に回転可能に取付け
られた第３の鎖車と、前記バランスアームの支点
と前記第１の鎖車との間の距離と略等しい距離前
記支点より離れかつ前記支点を通る水平線より上
方に位置するように前記走行台車に回転可能に取
付けられた第４の鎖車と、複数のバケツトを備え
ると共に前記第１の鎖車と前記第２の鎖車とが内
側に位置しかつ前記第３の鎖車と前記第４の鎖車
とが外側に位置するように前記第１の鎖車、前記
第２の鎖車、前記第３の鎖車および前記第４の鎖
車に張設された無端状主務チエーンと、を含んで
構成したものである。 In order to achieve the above object, the present invention includes a traveling trolley that travels on a pond, a balance arm that is attached to the traveling trolley and is capable of vertically swinging around a position eccentric from the center as a fulcrum, and the balance arm. a first chain wheel rotatably mounted on an end close to the fulcrum of the balance arm so as to be movable together with the balance arm; and a first chain wheel rotatably mounted on an end far from the fulcrum of the balance arm so as to be movable together with the balance arm. a third chain wheel that is rotatably attached to the traveling truck so as to be located substantially directly above the position of the first chain wheel that has moved upward the maximum amount; A fourth wheel rotatably attached to the traveling truck so as to be separated from the fulcrum by a distance approximately equal to the distance between the fulcrum of the balance arm and the first chain wheel and located above the horizontal line passing through the fulcrum. a chain wheel, and a plurality of buckets, the first chain wheel and the second chain wheel are located on the inside, and the third chain wheel and the fourth chain wheel are located on the outside. The chain wheel includes an endless main chain stretched between the first chain wheel, the second chain wheel, the third chain wheel, and the fourth chain wheel.
次に本考案の作用を実施例に対応する第３図を
参照して説明する。バランスアームは、その中心
から偏心した位置を支点９として揺動可能にされ
ており、この支点９に近い端部には第１の鎖車１
５が回転自在に取付けられ、また支点９から遠い
端部には第２の鎖車１４が回転自在に取付けられ
ている。従つて、バランスアームが支点９を中心
として上下方向に揺動するとき、第１の鎖車１５
と第２の鎖車１４とは逆方向に移動する。また、
走行台車には、上方に最大量移動した第１の鎖車
の位置の略直上に位置するように第３の鎖車１１
が取付けられていると共に、支点９と鎖車１５と
の間の距離と略等しい距離支点９より離れかつ支
点９を通る水平線より上方に位置するように第４
の鎖車１３が取付けられている。そして、第１の
鎖車１５と第２の鎖車１４とが内側に位置しかつ
第３の鎖車１１と第４の鎖車１３とが外側に位置
するように、これらの鎖車に無端状の主務チエー
ンが張設されている。 Next, the operation of the present invention will be explained with reference to FIG. 3, which corresponds to an embodiment. The balance arm is swingable with a fulcrum 9 at a position eccentric from its center, and a first chain wheel 1 is attached to the end near the fulcrum 9.
5 is rotatably attached, and a second chain wheel 14 is rotatably attached to the end farthest from the fulcrum 9. Therefore, when the balance arm swings vertically about the fulcrum 9, the first chain wheel 15
and the second chain wheel 14 move in the opposite direction. Also,
A third chain wheel 11 is installed on the traveling truck so as to be located approximately directly above the position of the first chain wheel that has moved upward by the maximum amount.
is attached to the fulcrum 9, and is located at a distance approximately equal to the distance between the fulcrum 9 and the chain wheel 15, and located above the horizontal line passing through the fulcrum 9.
A chain wheel 13 is attached. Then, these chain wheels are endless so that the first chain wheel 15 and the second chain wheel 14 are located on the inside, and the third chain wheel 11 and the fourth chain wheel 13 are located on the outside. The main chain is set up in a similar manner.
ここで、バランスアームが基準位置に位置する
ときの鎖車１１，１５間の主務チエーンの長さを
l3、バランスアームが基準位置に位置するときの
鎖車１３，１４間の主務チエーンの長さをl2、バ
ランスアームが基準位置より第３図の時計方向に
揺動したときの鎖車１１，１５間の主務チエーン
の長さをl4、バランスアームが基準位置より第３
図の時計方向に揺動したときの鎖車１３，１４間
の主務チエーンの長さをl1とすると、バランスア
ームが第３図の時計方向に揺動するとき鎖車１
１，１５間の主務チエーンはl3−l4だけ弛み、鎖
車１３，１４間の主務チエーンはl1−l2だけ緊張
することになる。一方、バランスアームが第３図
の反時計方向に揺動するときには、鎖車１１，１
５間の主務チエーンが緊張し、鎖車１３，１４間
の主務チエーンが弛むことになる。 Here, the length of the main chain between chain wheels 11 and 15 when the balance arm is located at the reference position is
l 3 , the length of the main chain between the chain wheels 13 and 14 when the balance arm is at the reference position is l 2 , and the length of the chain wheel 11 when the balance arm is swung clockwise from the reference position in the clockwise direction in Fig. 3; , 15, the length of the main chain between l 4 and the balance arm is 3rd from the reference position.
If the length of the main chain between the chain wheels 13 and 14 when the balance arm swings clockwise in the figure is l 1 , then when the balance arm swings clockwise in the figure 3, the chain wheel 1
The main chain between chain wheels 1 and 15 is slackened by l 3 - l 4 , and the main chain between chain wheels 13 and 14 is tensed by l 1 - l 2 . On the other hand, when the balance arm swings counterclockwise in FIG.
The main chain between chain wheels 13 and 14 becomes tense, and the main chain between chain wheels 13 and 14 becomes slack.
また、第３の鎖車１１は、上方に最大量移動し
た第１の鎖車１５の略直上に位置している。従つ
て、第３図からも理解されるように、第１の鎖車
１５の移動量と、第３の鎖車１１と第１の鎖車１
５との間の主務チエーンの長さの変化量とは略等
しくなる。一方、バランスアームが揺動するとき
第２の鎖車１４は第１の鎖車１５より大きく移動
するが、第３図に示すように、支点９と第１の鎖
車１５との間の距離と略等しい距離支点９より離
れた位置に第４の鎖車１３が配置されているた
め、第４の鎖車１３と第２の鎖車１４との間の主
務チエーンの長さの変化量と、第３の鎖車１１と
第１の鎖車１５との間の主務チエーンの長さの変
化量と、が略等しくなる。そして、主務チエーン
が無端状にされており、鎖車１５側の主務チエー
ンが弛んだとき鎖車１４側の主務チエーンが緊張
しかつ鎖車１５側の主務チエーンが緊張したとき
鎖車１４側の主務チエーンが弛むため、主務チエ
ーンの弛み量と緊張量とが打消し合い、揺動範囲
内のいかなる位置にバランスアームが位置しても
無端状の主務チエーンの弛み量は全体として略一
定になる。 Further, the third chain wheel 11 is located substantially directly above the first chain wheel 15, which has moved upward by the maximum amount. Therefore, as can be understood from FIG. 3, the amount of movement of the first chain wheel 15, the third chain wheel 11 and the first chain wheel 1
The amount of change in length of the main chain between the length of the main chain and the length of the main chain is approximately equal. On the other hand, when the balance arm swings, the second chain wheel 14 moves more than the first chain wheel 15, but as shown in FIG. Since the fourth chain wheel 13 is located at a distance from the fulcrum 9 that is approximately equal to the amount of change in length of the main chain between the fourth chain wheel 13 and the second chain wheel 14, , the amount of change in length of the main chain between the third chain wheel 11 and the first chain wheel 15 are approximately equal. The main chain is endless, and when the main chain on the chain wheel 15 side becomes slack, the main chain on the chain wheel 14 side becomes tense, and when the main chain on the chain wheel 15 side becomes tense, the main chain on the chain wheel 14 side becomes tense. Since the main chain slackens, the amount of slack and tension in the main chain cancel each other out, and the amount of slack in the endless main chain becomes approximately constant as a whole no matter where the balance arm is located within the swing range. .
以下本考案を図示する一実施例に基づいて説明
する。 The present invention will be described below based on an illustrated embodiment.
図において１は複数並設された池であり、これ
らの池１上には、各池１の巾方向に亘つて縦行ガ
ーダ２が配設され、このガーダ２には、横行台車
３がガーダ２にそつて移動可能に載置されてい
る。そして、縦行ガーダ２は、その両端部に設け
られたサドル４および車輪５を介して、レール６
にそつて池１の長手方向に移動可能に構成されて
いる。 In the figure, reference numeral 1 indicates a plurality of ponds arranged in parallel. On these ponds 1, a longitudinal girder 2 is disposed across the width direction of each pond 1, and a transverse bogie 3 is mounted on the girder 2. It is placed movably along 2. The longitudinal girder 2 is connected to the rail 6 via saddles 4 and wheels 5 provided at both ends thereof.
It is configured to be movable along the longitudinal direction of the pond 1.
前記横行台車３には、第２図に示すように池１
の巾方向に所要間隔で対向する機枠７が下方に向
かつて突設され、この機枠７には、バランスアー
ム８の中間部が支点９を介して池１の長手方向に
上下に揺動可能に枢着されている。そして、横行
台車３およびバランスアーム８の両端部には、第
１図に示すように鎖車１０，１１，１２，１３，
１４および１５がそれぞれ装着され、これらの間
には、バケツト１６を有する主務チエーン１７が
無端状に張設されている。ここで、鎖車１１は上
方に最大量移動した鎖車１５の位置の略直上に回
転可能に取付けられ、鎖車１３は支点９と鎖車１
５との間の距離と略等しい距離支点９から離れか
つ水平方向に位置したバランスアーム８より上方
に位置するように取付けられている。このバケツ
ト１６によつて池底の沈砂が連続的に掻揚げられ
るようになつている。 The transverse truck 3 has a pond 1 as shown in FIG.
Machine frames 7 are protruded downward and are opposed to each other at a required interval in the width direction of the pond. It is pivoted as possible. As shown in FIG. 1, chain wheels 10, 11, 12, 13,
14 and 15 are respectively attached, and a main chain 17 having a bucket 16 is stretched endlessly between them. Here, the chain wheel 11 is rotatably mounted approximately directly above the position of the chain wheel 15 that has moved upward by the maximum amount, and the chain wheel 13 is connected to the fulcrum 9 and the chain wheel 1.
The balance arm 8 is located away from the fulcrum 9 by a distance approximately equal to the distance between the balance arm 5 and the balance arm 5, and is located above the balance arm 8, which is located in the horizontal direction. The bucket 16 allows the sand on the bottom of the pond to be continuously scraped up.
このように構成されたバランスアーム８は、ア
ーム８中間部に一端が固定されたロープ１８を介
して横行台車３上のドラム１９によつて揺動可能
になつている。 The balance arm 8 configured in this way is made swingable by a drum 19 on the traversing carriage 3 via a rope 18 whose one end is fixed to the intermediate portion of the arm 8.
なお、図において２０は、横行台車３上に設け
られた運転室である。 In addition, in the figure, 20 is a driver's cab provided on the traversing truck 3.
次に作用について説明する。 Next, the effect will be explained.
第３図に示すように、バランスアーム８の掻揚
作業時と上昇時との主務チエーン１７の弛み側の
弛み代は、
l1−l2であり、
主務チエーン１７の緊張側の緊張代は、
（l5＋l3）−（l5＋l4）＝l3−l4である。 As shown in FIG. 3, the slack allowance on the slack side of the main chain 17 when the balance arm 8 is raking and rising is l 1 - l 2 , and the tension allowance on the tension side of the main chain 17 is , ( l5 + l3 )-( l5 + l4 )= l3 - l4 .
ここに
l1； 掻揚作業時の鎖車１３，１４間の主務チ
エーン１７の長さ
l2； 上昇時の鎖車１３，１４間の主務チエーン
１７の長さ
l3； 上昇時の鎖車１１，１５間の主務チエーン
１７の長さ
l4； 掻揚作業時の鎖車１１，１５間の主務チエ
ーン１７の長さ
l5； 支点９と鎖車１５との間の主務チエーン１
７の長さ
である。Here, l 1 ; Length of the main chain 17 between the chain wheels 13 and 14 during raking work l 2 ; Length of the main chain 17 between the chain wheels 13 and 14 during lifting l 3 ; Length of the main chain 17 between the chain wheels 13 and 14 during lifting Length l 4 of main chain 17 between chain wheels 11 and 15; Length l 5 of main chain 17 between chain wheels 11 and 15 during raking work; Main chain 1 between fulcrum 9 and chain wheel 15
The length is 7.
支点９、鎖車１１，１４の位置関係は、上記の
ように定めてあるので、l1−l2≒l3−l4になる。ま
た、本実施例では、支点９と鎖車１５との関係位
置は、支点９と鎖車１５との間の主務チエーン１
７の長さl5の値がl1−l2またはl3−l4と略等しくな
るように定めてある。 Since the positional relationship between the fulcrum 9 and the chain wheels 11, 14 is determined as described above, l1 - l2≈l3 - l4 . In addition, in this embodiment, the relative position between the fulcrum 9 and the chain wheel 15 is the main chain 1 between the fulcrum 9 and the chain wheel 15.
The value of the length l5 of 7 is determined to be approximately equal to l1 - l2 or l3 - l4 .
上記のように支点９、鎖車１１，１４の位置関
係を定めれば、l1−l2≒l3−l4となり、バランスア
ーム８の掻揚作業時と上昇時との中間位置でも鎖
車１１，１５間の長さ、バランスアームの長さお
よび鎖車１３，１４間の長さの和は、掻揚作業時
と上昇時との上記和に略等しくなり、従つて主務
チエーン全体の弛み量が略一定となる。 If the positional relationship between the fulcrum 9 and the chain wheels 11 and 14 is determined as described above, l 1 - l 2 ≒ l 3 - l 4 , and the chain will work even in the intermediate position between when the balance arm 8 is lifting and when it is ascending. The sum of the lengths between the wheels 11 and 15, the length of the balance arm, and the length between the chain wheels 13 and 14 is approximately equal to the above sum during the raking operation and during the lifting operation, and therefore, the length of the entire main chain. The amount of slack becomes approximately constant.
通常、バランスアーム８は、第１図に鎖線で示
すように水平状態に引上げられている。この状態
で縦行ガーダ２および横行台車３を移動させ、バ
ランスアーム８を沈砂掻揚げ位置に配置する。 Normally, the balance arm 8 is pulled up to a horizontal position as shown by the chain line in FIG. In this state, the longitudinal girder 2 and the transverse truck 3 are moved, and the balance arm 8 is placed at the sand raking position.
バケツト１６によつて池底の沈砂を掻揚げる場
合には、ドラム１９を回転させてロープ１８を巻
戻す。すると、バランスアーム８先端の鎖車１４
は下降し、これに伴ない鎖車１５は支点９を中心
に上昇する。そして、チエーン全体の弛み量が略
一定になるようにバランスアーム８が揺動する。 When the bucket 16 is used to scrape up sediment from the pond bottom, the drum 19 is rotated and the rope 18 is rewound. Then, the chain wheel 14 at the tip of the balance arm 8
is lowered, and the chain wheel 15 is accordingly raised about the fulcrum 9. Then, the balance arm 8 swings so that the amount of slack of the entire chain is approximately constant.
以上説明したように本実施例によれば、バラン
スアームがいかなる位置にあつても主務チエーン
全体の弛み量は略一定であるので、池底にどのよ
うに沈砂が堆積していても、主務チエーンが鎖車
から脱落して沈砂の掻揚が不可能になることはな
い。 As explained above, according to this embodiment, the slack amount of the main chain as a whole is approximately constant regardless of the position of the balance arm, so no matter how much sediment is deposited on the pond bottom, the main chain is It will not fall off from the chain wheel and make it impossible to rak the sand.
なお、前記実施例ではバランスアーム８に２組
の鎖車１４，１５を設けたものについて説明した
が、これ以上設けるようにしてもよい。 In the above embodiment, the balance arm 8 is provided with two sets of chain wheels 14 and 15, but more than two sets of chain wheels 14 and 15 may be provided.
以上本考案を好適な実施例に基づいて説明した
が、本考案によれば、バランスアームが揺動範囲
内のいかなる位置にあつてもバケツトコンベアの
チエーンが脱落することはない。したがつて、池
底にどのような高さに沈砂が堆積していても、そ
の掻揚げが可能である。 The present invention has been described above based on the preferred embodiments, and according to the present invention, the chain of the bucket conveyor will not fall off no matter where the balance arm is located within the swing range. Therefore, no matter what height the sediment is deposited on the pond bottom, it is possible to scrape it up.
第１図は本考案の一実施例を示す正面図、第２
図は同側面図である。第３図は、主務チエーンの
長さの変化の説明図である。
１……池、３……横行台車、８……バランスア
ーム、１４，１５……鎖車、１６……バケツト、
１７……主務チエーン。
Figure 1 is a front view showing one embodiment of the present invention;
The figure is the same side view. FIG. 3 is an explanatory diagram of changes in the length of the main chain. 1... Pond, 3... Traverse trolley, 8... Balance arm, 14, 15... Chain wheel, 16... Bucket,
17... Responsible chain.
Claims (1)
付けられて中心から偏心した位置を支点として上
下方向に揺動可能にされたバランスアームと、前
記バランスアームの支点に近い端部に回転可能に
取付けられて前記バランスアームと共に移動可能
にされた第１の鎖車と、前記バランスアームの支
点から遠い端部に回転可能に取付けられて前記バ
ランスアームと共に移動可能にされた第２の鎖車
と、上方に最大量移動した前記第１の鎖車の位置
の略直上に位置するように前記走行台車に回転可
能に取付けられた第３の鎖車と、前記バランスア
ームの支点と前記第１の鎖車との間の距離と略等
しい距離前記支点より離れかつ前記支点を通る水
平線より上方に位置するように前記走行台車に回
転可能に取付けられた第４の鎖車と、複数のバケ
ツトを備えると共に前記第１の鎖車と前記第２の
鎖車とが内側に位置しかつ前記第３の鎖車と前記
第４の鎖車とが外側に位置するように前記第１の
鎖車、前記第２の鎖車、前記第３の鎖車および前
記第４の鎖車に張設された無端状主務チエーンと
を含む沈砂掻揚装置。 A running trolley that travels on a pond; a balance arm that is attached to the running trolley and is capable of vertically swinging around a position eccentric from the center as a fulcrum; and a balance arm that is rotatably attached to an end of the balance arm near the fulcrum. a first chain wheel that is rotatably attached to an end of the balance arm remote from the fulcrum and is movable together with the balance arm; a third chain wheel rotatably attached to the traveling truck so as to be located substantially directly above the position of the first chain wheel that has moved upward by the maximum amount; a fulcrum of the balance arm; a fourth chain wheel rotatably attached to the traveling truck so as to be located away from the fulcrum by a distance substantially equal to the distance between the vehicle and the fulcrum and above a horizontal line passing through the fulcrum, and a plurality of bucket carts; The first chain wheel and the second chain wheel are arranged so that the first chain wheel and the second chain wheel are located on the inside, and the third chain wheel and the fourth chain wheel are located on the outside. A sand-settling and scraping device comprising two chain wheels, an endless main chain stretched between the third chain wheel and the fourth chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7253479U JPS6246403Y2 (en) | 1979-05-31 | 1979-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7253479U JPS6246403Y2 (en) | 1979-05-31 | 1979-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55174908U JPS55174908U (en) | 1980-12-15 |
| JPS6246403Y2 true JPS6246403Y2 (en) | 1987-12-15 |
Family
ID=29306187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7253479U Expired JPS6246403Y2 (en) | 1979-05-31 | 1979-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246403Y2 (en) |
-
1979
- 1979-05-31 JP JP7253479U patent/JPS6246403Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55174908U (en) | 1980-12-15 |
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