JPH10266266A - Turning stand - Google Patents

Turning stand

Info

Publication number
JPH10266266A
JPH10266266A JP7303897A JP7303897A JPH10266266A JP H10266266 A JPH10266266 A JP H10266266A JP 7303897 A JP7303897 A JP 7303897A JP 7303897 A JP7303897 A JP 7303897A JP H10266266 A JPH10266266 A JP H10266266A
Authority
JP
Japan
Prior art keywords
support members
boom
bottom plate
parts
pair
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.)
Granted
Application number
JP7303897A
Other languages
Japanese (ja)
Other versions
JP3616704B2 (en
Inventor
Takahiro Nagashima
隆洋 長嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aichi Corp
Original Assignee
Aichi Corp
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.)
Filing date
Publication date
Application filed by Aichi Corp filed Critical Aichi Corp
Priority to JP07303897A priority Critical patent/JP3616704B2/en
Publication of JPH10266266A publication Critical patent/JPH10266266A/en
Application granted granted Critical
Publication of JP3616704B2 publication Critical patent/JP3616704B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Component Parts Of Construction Machinery (AREA)
  • Jib Cranes (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a turning stand on which an interval between upper end parts of a pair of support parts can be enlarged without increasing weight or without complicating the part constitution. SOLUTION: Bottom parts of respective members (first side parts 21a, 22a to third side parts 21c, 22c) to constitute left and right support parts 21 and 22 to support a boom, are joined to a bottom plate 25 by welding or the like, and in an installing condition, these are set in the same degree as a conventional width on a width of the bottom parts of a turning stand 20 on the bottom plate 25, and are inclined outside relative to the bottom plate 25. Connecting plates 23 and 24 are arranged between lower parts of these left and right support parts 21 and 22, and these are joined to the left and right support parts 21 and 22 by welding or the like.

Description

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

【0001】[0001]

【発明の属する技術分野】本発明は、作業車の車体に旋
回自在に設けられた旋回基部に取り付けられ、ブームを
起伏自在に支持する旋回台に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a swivel base mounted on a swivel base rotatably provided on a vehicle body of a work vehicle, for supporting a boom up and down freely.

【0002】[0002]

【従来の技術】ブームを有する作業車においては、車体
上に旋回基部が旋回自在に設けられており、この旋回基
部には旋回台が取り付けられている。旋回台の上部には
伸縮自在なブーム(3)が起伏自在に取り付けられてお
り、このブーム(3)先端には、例えば高所作業車にお
いては作業台が設けられ、例えば穴掘建柱車においては
アースオーガ手段が設けられている。
2. Description of the Related Art In a working vehicle having a boom, a turning base is rotatably provided on a vehicle body, and a turning table is attached to the turning base. An extensible boom (3) is attached to the upper part of the swivel so as to be able to move up and down. At the tip of the boom (3), for example, a work platform is provided for an aerial work vehicle. Are provided with earth auger means.

【0003】このようにブーム(3)を起伏自在に支持
する旋回台は、図6に示すように、底板25上に左右一
対の支持部材31,32が取り付けられた構成となって
おり、底板25を旋回基部に固定することにより車体に
取り付けられるようになっている。支持部材31(3
2)は、図6および図8からもわかるように、平板状の
第1側板31a(32a)と、平板状の第2側板31b
(32b)と、断面がL字状の第3側板31c(32
c)とにより四方が囲まれて、上方に延びた中空の柱状
体となっており、支持部材31,32のそれぞれの上端
部には上板26が取り付けられている。
As shown in FIG. 6, the swivel table for supporting the boom (3) so as to be able to move up and down has a structure in which a pair of left and right support members 31 and 32 are mounted on a bottom plate 25. 25 is fixed to the turning base so that it can be attached to the vehicle body. Support member 31 (3
2), as can be seen from FIGS. 6 and 8, a flat first side plate 31a (32a) and a flat second side plate 31b.
(32b) and the third side plate 31c (32
c) form a hollow columnar body extending upward and surrounded on all sides, and upper plates 26 are attached to the upper ends of the support members 31 and 32, respectively.

【0004】図8からもわかるように、左右支持部材3
1,32において、第1側板31a,32aはともに内
側の側壁をなしており、第2側板31b,32bはとも
に奥側の側壁をなしている。右側支持部材31におい
て、(右側)第3側板31cは右側側壁および手前側側
壁をなしており、左側支持部材32において、(左側)
第3側板32cは左側側壁および手前側側壁をなしてい
る。なお、第3側板31c,32cにおいて手前側の側
壁をなす部分および第2側板32bの上部の幅は、図6
および図7からわかるように下部よりも小さくなってお
り、かつ第1側板31a,32aは、下方から上方にか
けて折り曲げられた形状となっている。
[0004] As can be seen from FIG.
In 1 and 32, both the first side plates 31a and 32a form inner side walls, and the second side plates 31b and 32b both form inner side walls. In the right support member 31, the (right) third side plate 31c forms a right side wall and a near side wall, and in the left support member 32 (left side).
The third side plate 32c forms a left side wall and a near side wall. The width of the third side plates 31c, 32c forming the side wall on the near side and the upper part of the second side plate 32b are shown in FIG.
As can be seen from FIG. 7 and FIG. 7, the first side plates 31a and 32a are bent from the lower side to the upper side.

【0005】これにより、左右支持部材31,32にお
いて上端部の幅を小さくしてこれらの間の間隔を大きく
し、左右支持部材31,32間においてこれらに支持さ
れるブーム3の幅をある程度大きな所定幅にしてブーム
3の所定強度を確保している。なお、左右支持部材3
1,32の下部間には、図6からわかるように、その手
前側および奥側に平板状の連結板33,34が溶接等に
より結合している。
Thus, the width of the upper ends of the left and right support members 31 and 32 is reduced to increase the space therebetween, and the width of the boom 3 supported by the left and right support members 31 and 32 is increased to some extent. A predetermined width is used to secure a predetermined strength of the boom 3. The left and right support members 3
As can be seen from FIG. 6, flat connecting plates 33, 34 are connected to the front and rear sides of the lower portions of the first and second portions 32 by welding or the like.

【0006】[0006]

【発明が解決しようとする課題】ところで、ブーム13
においてはさらに幅を大きくしてさらに強度を上げるこ
とが求められており、このためには、旋回台30におい
て左右支持部材31,32間の間隔をさらに大きくする
必要がある。
The boom 13
It is required to further increase the width to further increase the strength. For this purpose, it is necessary to further increase the interval between the left and right support members 31 and 32 in the swivel 30.

【0007】しかしながら、強度上、支持部材31,3
2の上端部の幅をこれ以上小さくすることはできない。
このため、下部を含めて旋回台30の幅を全体的に大き
くするという対策案も考えられるが、この案によると大
幅な重量増加となるという問題がある。
However, in view of strength, the support members 31, 3
The width of the upper end of 2 cannot be reduced any more.
For this reason, a countermeasure for enlarging the width of the swivel 30 including the lower portion as a whole is conceivable. However, according to this plan, there is a problem that the weight is significantly increased.

【0008】これに対し、大幅に重量が増加しないよう
に、底板25上における旋回台30の底部の幅を従来の
幅Wと同程度とするとともに左右支持部材31,32に
おいて上部全体を外側に曲げた形状(図9および図10
に示す左右支持部材41,42の形状)とする対策案が
考えられる。しかし、このように上部全体が外側に曲が
った形状の支持部材41,42においては、従来の第3
側板31c,32cを第3側板41c,42cと第4側
板41d,42dとに分割し、かつこの分割された第3
側板41c,42cを下方から上方にかけて曲げられた
形状にしなければならないなど、部品構成が複雑になる
という問題がある。
On the other hand, the width of the bottom of the swivel base 30 on the bottom plate 25 is set to be substantially the same as the conventional width W so that the weight is not greatly increased, and the entire upper part of the left and right support members 31, 32 is directed outward. The bent shape (FIGS. 9 and 10)
(The shapes of the left and right support members 41 and 42 shown in FIG. 1) can be considered. However, in the support members 41 and 42 having such a shape that the entire upper portion is bent outward, the conventional third member is used.
The side plates 31c and 32c are divided into third side plates 41c and 42c and fourth side plates 41d and 42d.
There is a problem that the component configuration becomes complicated, for example, the side plates 41c and 42c need to be bent from below to above.

【0009】本発明は、このような問題に鑑みてなされ
たものであり、重量を増加させたり部品構成を複雑にす
ることなく、一対の支持部材の上端部間の間隔を大きく
することが可能な旋回台を提供することを目的としてい
る。
The present invention has been made in view of such a problem, and it is possible to increase the distance between the upper end portions of a pair of support members without increasing the weight or complicating the component configuration. The purpose is to provide a simple swivel.

【0010】[0010]

【課題を解決するための手段】上記の目的を達成するた
めに、本発明の旋回台は、ブームを有した作業車の車体
に旋回自在に設けられた旋回基部に取り付けられる底板
と、この底板上に上方に延びて設けられた一対の支持部
材とを備え、一対の支持部材の各々の上端部間にブーム
を位置させて、一対の支持部材によりブームを起伏自在
に支持する旋回台であって、一対の支持部材が、下方か
ら上方にかけてこの一対の支持部材間の間隔が大きくな
るように外方に傾斜して底板上に設けられている。
In order to achieve the above object, a swivel base of the present invention comprises a bottom plate attached to a swivel base rotatably provided on a vehicle body of a work vehicle having a boom, and the bottom plate. A swivel base comprising: a pair of support members extending upwardly; a boom positioned between upper ends of the pair of support members; and the boom supported by the pair of support members so that the boom can be raised and lowered. The pair of support members are provided on the bottom plate so as to be inclined outward so that the distance between the pair of support members increases from below to above.

【0011】このような構成によれば、底板上における
旋回台の底部の幅を従来と同程度とし、かつ一対の支持
部材の各々の上端部の幅を従来と同程度とする条件下に
おいて、下方から上方にかけて一対の支持部材間の間隔
が大きくなるように、一対の支持部材の各々を傾斜して
底板上に設けて旋回台を構成した場合においても、一対
の支持部材の上端部間の間隔を大きくすることができ
る。
[0011] According to such a configuration, under the condition that the width of the bottom of the swivel base on the bottom plate is approximately the same as the conventional one and the width of the upper end of each of the pair of support members is approximately the same as the conventional one, Even when a pair of support members are inclined and provided on a bottom plate to form a swivel base such that the interval between the pair of support members increases from below to above, even between the upper end portions of the pair of support members. The spacing can be increased.

【0012】[0012]

【発明の実施の形態】以下、本発明の好ましい実施形態
について図を参照して説明する。図4および図5には、
本発明の旋回台を備えた作業車として穴掘建柱車10の
構成を示している。この穴掘建柱車10においては、車
体11に旋回基部12が旋回自在に設けられており、こ
の旋回基部12は、旋回モータ(図示せず)により旋回
作動するようになっている。この旋回基部12上には旋
回台20が取り付けられており、この旋回台20の上部
には、入れ子式に伸縮自在に構成されたブーム13が起
伏自在に取り付けられている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. 4 and 5 show:
1 shows a configuration of a digging pole wheel 10 as a working vehicle provided with a turning table of the present invention. In this digging column car 10, a turning base 12 is provided to be able to turn on a vehicle body 11, and the turning base 12 is turned by a turning motor (not shown). A swivel 20 is mounted on the swivel base 12, and a boom 13, which is telescopically configured to extend and retract, is mounted on the upper part of the swivel 20 so as to be able to move up and down.

【0013】なお、このブーム13は、起伏シリンダ1
4により起伏作動するようになっており、起伏シリンダ
14は、旋回基部12に揺動自在に取り付けられて旋回
台20内に配設され、その先端は基端ブーム13aに枢
結している。また、ブーム13の伸縮作動は、伸縮シリ
ンダ15によりなされるようになっている。
Note that the boom 13 is used to
The up / down cylinder 14 is mounted on the swivel base 20 so as to be swingable on the swivel base 12, and the tip thereof is pivotally connected to the base boom 13a. The expansion and contraction operation of the boom 13 is performed by an expansion and contraction cylinder 15.

【0014】ブーム13先端部には、オーガブラケット
16がスライド移動可能に取り付けられており、このオ
ーガブラケット16には、アースオーガ手段17が揺動
自在に取り付けられている。また、車体11の側部に
は、作業時において穴掘建柱車10を支持するためのア
ウトリガジャッキ18が、前後左右の4箇所に設けられ
ている。
An auger bracket 16 is attached to the end of the boom 13 so as to be slidable. A ground auger means 17 is attached to the auger bracket 16 so as to be swingable. Outrigger jacks 18 are provided on four sides of the vehicle body 11 for supporting the digging pillar truck 10 at the time of work, in front, rear, left and right.

【0015】このように構成された穴掘建柱車10によ
れば、アウトリガジャッキ18を張り出してこれにより
車両10を安定支持した状態において、ブーム13の旋
回・起伏・伸縮作動等を行ってアースオーガ手段17を
穴掘り位置に移動し、このアースオーガ手段17により
地盤Gの穴掘り作業を行うことができる。
According to the digging pillar car 10 constructed as described above, in a state where the outrigger jack 18 is overhanging and the vehicle 10 is stably supported by this, the boom 13 is turned, undulated, extended / contracted, etc., and grounded. The auger unit 17 is moved to the digging position, and the earth auger unit 17 can dig a hole in the ground G.

【0016】このように、穴掘り作業は、ブーム13を
起伏・伸縮等をさせた状態において使用するため、ブー
ム13には所定強度が要求されており、当該例において
は、ブーム13において幅を従来よりも大きくしてその
強度を確保している。このため、本発明の旋回台20
は、このように幅広に形成されたブーム13を支持する
ことが可能な構成となっている。
As described above, in order to use the hole excavation work in a state where the boom 13 is raised and contracted, the boom 13 is required to have a predetermined strength. The strength is secured by making it larger than before. For this reason, the swivel 20 of the present invention is used.
Has a configuration capable of supporting the boom 13 formed in such a wide manner.

【0017】以下、この旋回台20の詳細構成について
説明する。この旋回台20は、図1〜図3に示すよう
に、従来と同様の底板25上に左右一対の支持部材2
1,22が取り付けられた構成となっており、底板25
を旋回基部12に固定することにより車両10に取り付
けられるようになっている。支持部材21,22は、互
いに対称な形状となっており、これらは互いに対称な形
状に形成された部材により構成されている。支持部材2
1(22)は、図1および図3からもわかるように、従
来と同様に平板状の第1側板21a(22a)と、平板
状の第2側板21b(22b)と、断面がL字状の第3
側板21c(22c)とにより四方が囲まれて、上方に
延びた中空の柱状体となっており、これら支持部材2
1,22のそれぞれの上端部には上板26が取り付けら
れている。
Hereinafter, a detailed configuration of the swivel 20 will be described. As shown in FIGS. 1 to 3, the swivel base 20 is provided on a bottom plate 25 similar to a conventional one, and a pair of left and right support members 2 is provided.
1 and 22 are attached.
Is fixed to the turning base 12 so as to be attached to the vehicle 10. The support members 21 and 22 have shapes symmetrical to each other, and are formed by members formed in shapes symmetrical to each other. Support member 2
As can be seen from FIGS. 1 and 3, 1 (22) has a plate-shaped first side plate 21a (22a), a plate-shaped second side plate 21b (22b), and a L-shaped cross section as in the prior art. The third
The support member 2 is a hollow columnar body which is surrounded on four sides by the side plate 21c (22c) and extends upward.
An upper plate 26 is attached to the upper end of each of the first and second 22.

【0018】図3からもわかるように、左右支持部材2
1,22において、第1側板21a,22aはともに内
側の側壁をなしており、第2側板21b,22bはとも
に奥側の側壁をなしている。右側支持部材21におい
て、(右側)第3側板21cは右側側壁および手前側側
壁をなしており、左側支持部材22において、(左側)
第3側板22cは左側側壁および手前側側壁をなしてい
る。そして、これらは溶接等により結合して柱状体を形
成している。なお、第3側板21c,22cにおいて手
前側の側壁をなす部分および第2側板22bの上部の幅
は下部よりも小さくなって、その幅は従来と同程度とな
っており、第1側板21a,22aは、下方から上方に
掛けて折り曲げられた形状となっている。
As can be seen from FIG.
In 1 and 22, both the first side plates 21a and 22a form inner side walls, and the second side plates 21b and 22b both form inner side walls. In the right support member 21, the (right) third side plate 21c forms a right side wall and a near side wall, and in the left support member 22, (left side)
The third side plate 22c forms a left side wall and a near side wall. These are combined by welding or the like to form a columnar body. The widths of the third side plates 21c, 22c, which form the side walls on the near side, and the upper portion of the second side plate 22b are smaller than the lower portion, and the width is almost the same as that of the related art. 22a is a shape bent from below to above.

【0019】図2に示すように、左右支持部材21,2
2を構成する各部材(第1側部21a,22a〜第3側
部21c,22c)の底部は溶接等により底板25に結
合しており、取付状態においてこれらは、底板25上に
おける旋回台20の底部の幅を従来の幅Wと同程度とす
るとともに、底板25に対してαの角度をなすように外
側に傾斜している。これにより、左右支持部材21,2
2間の間隔は下方から上方にかけて大きくなるようにな
っており、その上端部間の間隔T2 は、従来における左
右支持部材31,32の上端部間の間隔T1 よりも大き
くなっている。
As shown in FIG. 2, the left and right support members 21 and
The bottoms of the members (the first side portions 21a and 22a to the third side portions 21c and 22c) of the member 2 are connected to the bottom plate 25 by welding or the like. Has a width substantially the same as the conventional width W, and is inclined outward so as to form an angle α with the bottom plate 25. Thereby, the left and right support members 21 and
Spacing between 2 is adapted to increase toward the upper from the lower interval T 2 of the between the upper portion is greater than the distance T 1 of the between the upper ends of the left and right supporting members 31, 32 in the prior art.

【0020】さらに、左右支持部材21,22の下部間
には、図1からわかるように、その手前側および奥側に
平板状の連結板23,24が設けられており、これら
は、それぞれ、左右の第1側部21a,22aに溶接等
により結合している。
As shown in FIG. 1, flat connecting plates 23 and 24 are provided between the lower portions of the left and right support members 21 and 22, respectively. The left and right first side portions 21a and 22a are joined by welding or the like.

【0021】このように構成された旋回台20によれ
ば、図2に示すように、左右支持部材21,22の上端
部間に従来よりも幅が大きいブーム13を位置させて、
左右支持部材21,22によりこれを支持することが可
能となっている。このとき、支持したブーム13の荷重
により、左右支持部材21,22には、これらを外側に
倒れさせる方向に力が作用することになるが、これら支
持部材21,22の底面は底板25に溶接等により結合
しており、さらに左右の第1側板21a,22aの下部
間には連結板23,24が溶接等により結合しているの
で、旋回台20は、このブーム13を支持するのに十分
な強度を有している。
According to the swivel 20 configured as described above, as shown in FIG. 2, the boom 13 having a larger width than the conventional one is positioned between the upper end portions of the left and right support members 21 and 22.
This can be supported by the left and right support members 21 and 22. At this time, due to the load of the supported boom 13, a force acts on the left and right support members 21 and 22 in a direction to cause them to fall outward, but the bottom surfaces of these support members 21 and 22 are welded to the bottom plate 25. Since the connecting plates 23 and 24 are connected by welding or the like between the lower portions of the left and right first side plates 21a and 22a, the swivel base 20 is sufficient to support the boom 13. High strength.

【0022】以上説明したように、本発明の旋回台20
においては、底板25上における旋回台20の底部の幅
を従来の幅と同程度とするとともに、左右支持部材2
1,22を外側に傾斜させて底板25に取り付けている
ので、重量を増加させたり構成を複雑にすることなく、
左右支持部材21,22の上端部間の間隔T2 を従来に
おける間隔T1 よりも大きくすることができ、これによ
り従来よりも幅の大きなブーム13を支持することが可
能となっている。
As described above, the swivel 20 of the present invention is used.
In this case, the width of the bottom of the swivel table 20 on the bottom plate 25 is made substantially the same as the conventional width, and the left and right support members 2
Since the components 1 and 22 are inclined outward and attached to the bottom plate 25, the weight and the configuration are not increased without increasing the weight.
The interval T 2 of the between the upper ends of the left and right supporting members 21 and 22 can be made larger than the interval T 1 in conventionally thereby making it possible to support the large boom 13 in the width than the conventional.

【0023】なお、当該例においては、本発明の旋回台
を穴掘建柱車に適用した例について説明したが、これは
穴掘建柱車のみに適用されるものでなく、ブームを支持
する旋回台を車体上に備えた作業車全般に適用可能であ
る。
In this embodiment, an example is described in which the swivel base of the present invention is applied to a digging column car. However, this is not limited to the digging column car but supports a boom. The present invention is applicable to all work vehicles having a swivel on a vehicle body.

【0024】[0024]

【発明の効果】以上のように、本発明の旋回台によれ
ば、一対の支持部材の各々が、下方から上方にかけてそ
の間隔が大きくなるように傾斜して底板上に設けられる
ので、重量を増加させたり部品構成を複雑にすることな
く一対の支持部材の上端部間の間隔を大きくすることが
できる。したがって、この一対の支持部材により、従来
よりも幅の大きなブームを支持することが可能となる。
As described above, according to the swivel according to the present invention, each of the pair of support members is provided on the bottom plate at an angle from the bottom to the top so that the distance between the support members increases. The distance between the upper end portions of the pair of support members can be increased without increasing the number of components or complicating the component configuration. Therefore, the pair of support members can support a boom having a larger width than before.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の旋回台の構成を示す斜視図である。FIG. 1 is a perspective view showing a configuration of a swivel base according to the present invention.

【図2】図1の矢視IIによる正面図である。FIG. 2 is a front view taken along arrow II in FIG.

【図3】図2のIII−III線による断面図である。FIG. 3 is a sectional view taken along line III-III in FIG. 2;

【図4】本発明の旋回台を備えた穴掘建柱車の構成を示
す側面図である。
FIG. 4 is a side view showing the configuration of a digging column car provided with the swivel base of the present invention.

【図5】図4の穴掘建柱車の平面図である。FIG. 5 is a plan view of the digging pole wheel of FIG. 4;

【図6】従来の旋回台の構成を示す斜視図である。FIG. 6 is a perspective view showing a configuration of a conventional swivel base.

【図7】図6の矢視VIIによる正面図である。FIG. 7 is a front view taken along a line VII in FIG. 6;

【図8】図7のVIII−VIII線による断面図であ
る。
FIG. 8 is a sectional view taken along line VIII-VIII in FIG. 7;

【図9】図6の旋回台に対し左右支持部材31,32に
おいて上部全体を外側に曲げた形状とした旋回台の構成
を示す正面図である。
9 is a front view showing the configuration of the revolving base in which the entire upper part of the left and right support members 31, 32 is bent outward with respect to the revolving base of FIG.

【図10】図9のX−X線による断面図である。FIG. 10 is a sectional view taken along line XX of FIG. 9;

【符号の説明】[Explanation of symbols]

3,13 ブーム 10 穴掘建柱車(作業車) 11 車体 12 旋回基部 20,30,40 旋回台 21,31,41 (右側)支持部材 22,32,42 (左側)支持部材 23,24,33,34 連結板 25 底板 3, 13 Boom 10 Drilling Pillar Truck (Work Vehicle) 11 Body 12 Swivel Base 20, 30, 40 Swivel Base 21, 31, 41 (Right) Support Member 22, 32, 42 (Left) Support Member 23, 24, 33,34 Connecting plate 25 Bottom plate

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ブームを有した作業車の車体に旋回自在
に設けられた旋回基部に取り付けられる底板と、この底
板上に上方に延びて設けられた一対の支持部材とを備
え、前記一対の支持部材の各々の上端部間に前記ブーム
を位置させて、前記一対の支持部材により前記ブームを
起伏自在に支持する旋回台であって、 前記一対の支持部材が、下方から上方にかけて前記一対
の支持部材間の間隔が大きくなるように外方に傾斜して
前記底板上に設けられることを特徴とする旋回台。
1. A bottom plate attached to a turning base portion rotatably provided on a vehicle body of a work vehicle having a boom, and a pair of supporting members extending upward and provided on the bottom plate. A turntable that positions the boom between upper ends of the support members and supports the boom so that the boom can be raised and lowered by the pair of support members, wherein the pair of support members are arranged such that the pair of support members extend from below to above. The swivel base is provided on the bottom plate so as to be inclined outward so as to increase the distance between the support members.
JP07303897A 1997-03-26 1997-03-26 Swivel Expired - Fee Related JP3616704B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07303897A JP3616704B2 (en) 1997-03-26 1997-03-26 Swivel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07303897A JP3616704B2 (en) 1997-03-26 1997-03-26 Swivel

Publications (2)

Publication Number Publication Date
JPH10266266A true JPH10266266A (en) 1998-10-06
JP3616704B2 JP3616704B2 (en) 2005-02-02

Family

ID=13506802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07303897A Expired - Fee Related JP3616704B2 (en) 1997-03-26 1997-03-26 Swivel

Country Status (1)

Country Link
JP (1) JP3616704B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016158771A1 (en) * 2015-03-31 2016-10-06 株式会社タダノ Rotating post for vehicle-mounted crane
CN110480200A (en) * 2019-06-28 2019-11-22 武汉船用机械有限责任公司 The manufacturing method of rotating platform of crane structural member

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016158771A1 (en) * 2015-03-31 2016-10-06 株式会社タダノ Rotating post for vehicle-mounted crane
CN107406242A (en) * 2015-03-31 2017-11-28 株式会社多田野 Vehicle boarded type tool for crane rotary column
JPWO2016158771A1 (en) * 2015-03-31 2018-01-25 株式会社タダノ Swivel post for on-board crane
KR20190103494A (en) * 2015-03-31 2019-09-04 가부시기가이샤다다노 Rotating post for vehicle-mounted crane
CN110790151A (en) * 2015-03-31 2020-02-14 株式会社多田野 Rotary column for vehicle-mounted crane
CN110480200A (en) * 2019-06-28 2019-11-22 武汉船用机械有限责任公司 The manufacturing method of rotating platform of crane structural member
CN110480200B (en) * 2019-06-28 2021-08-24 武汉船用机械有限责任公司 Method for manufacturing structural member of rotary table of crane

Also Published As

Publication number Publication date
JP3616704B2 (en) 2005-02-02

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