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JP3733464B2 - Outrigger device for cart - Google Patents
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JP3733464B2 - Outrigger device for cart - Google Patents

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JP3733464B2
JP3733464B2 JP2002208890A JP2002208890A JP3733464B2 JP 3733464 B2 JP3733464 B2 JP 3733464B2 JP 2002208890 A JP2002208890 A JP 2002208890A JP 2002208890 A JP2002208890 A JP 2002208890A JP 3733464 B2 JP3733464 B2 JP 3733464B2
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carriage
rotating body
ground
support arm
taper hole
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JP2004050908A (en
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勇記 大和
袈裟男 傳田
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和光機械工業株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、土木工事現場やイベント催場などの夜間照明に使用される投光機等を載置する台車に用いられる台車用アウトリガー装置に関する。
【従来の技術】
従来、この種の台車用アウトリガー装置は、台車の後端部の左右両側に、左右一対の取付ブラケットをそれぞれ台車の斜め外方へ向けてに固定し、これら取付ブラケットにそれぞれ回動自在に軸支された回動体にそれぞれ張り出し部材の基端を連結固定し、これら張り出し部材の先端に接地板を固設して構成されている。
【0002】
そして、前記左右一対の張り出し部材の先端接地板を地面の高さに合わせる左右の接地高さ位置調整は、前記記取付ブラケットと回動体との間に設けられた係合ピンの係脱によって行われている。
【発明が解決しようとする課題】
しかしながら、上記従来の台車用アウトリガー装置では、取付ブラケットと回動体とを係脱する係合ピンがストレートのノブボルトピンで構成されているため、台車を設置する際、台車の平行出しを行うときに、地面に凹凸がある場合、張り出し部材の係止が不十分になる恐れがあり、台車の平行出しが困難になるという問題があった。
【0003】
そこで、本発明は、支持アームを地面に接地するときに、地面に凹凸がある場合でも、支持アームの接地板を確実に地面に接地させることができ、台車の平行出しを簡単、容易に行なうことにより台車を安定した状態で地面上に設置することができる台車用アウトリガー装置の提供を目的としている。
【課題を解決するための手段】
上記目的を達成するために、請求項1の発明は、台車の後端部の左右両側に、それぞれ台車の外方へ向けて八の字状に固定された左右一対の取付ブラケットと、これら取付ブラケットにそれぞれ回動自在に軸支された半円形状の回動体と、これら回動体にそれぞれ基端を連結固定され、先端に接地板を有する左右の支持アームとを備え、前記取付ブラケットと回動体との間に配設され、前記回転体に連結固定された支持アームの先端の接地板の高さ位置を地面の高さに合わせてそれぞれ自動調整し、台車の平行出しを行う接地高さ自動動整機構を設けてなることを特徴とする。
【0004】
請求項2の発明は、請求項1記載の台車用アウトリガー装置であって、前記接地高さ自動調整機構が、前記取付ブラケットと前記回動体との間に配設され、前記回動体に、支持アームを収納位置に固定する収納位置決めテーパー孔と、支持アームの接地板の接地高さ位置を自動的に調整して台車の平行出しを行う調整位置決めテーパー孔とを設け、一方取付ブラケットには、回動体に形成された収納位置決めテーパー孔と調整位置決めテーパー孔とに、それぞれ係脱自在に係合可能なテーパー係止体を備えた係止装置を設けてなることを特徴とする。
【0005】
請求項3の発明は、請求項2記載の台車用アウトリガー装置であって、前記係止装置が、テーパー係止体を連結する作動軸と、該作動軸を介してテーパー係止体を回動体の収納位置決めテーパー孔と調整位置決めテーパー孔に向けて付勢する付勢部材と、これらテーパー係止体、作動軸及び付勢部材が収容されるケースとからなることを特徴とする。
【0006】
【発明の実施の形態】
以下、本発明の実施形態について、図面を用いて説明する。
図1は、本発明の実施形態に係る台車用アウトリガー装置を備えたバルーン照明機を示す側面図、図2は、台車用アウトリガー装置の支持アームを張り出した状態を示す背面図、図3は、台車用アウトリガー装置の支持アームを収納した状態を示す背面図、図4は、台車用アウトリガー装置の接地高さ自動調整機構を示す斜視図、図5は、台車用アウトリガー装置の支持アームの張り出し状態における接地高さ自動調整機構の作用を説明する側面図、図6は、台車用アウトリガー装置の支持アームの張り出し状態における接地高さ自動調整機構を示す図5のA−A線矢視断面図、図7は、接地高さ自動調整機構の作用状態を示す断面図、図8は、台車用アウトリガー装置の支持アームを収納した状態を示す側面図である。
【0007】
図1は、本発明の実施形態に係る台車用アウトリガー装置をバルーン照明機1に装着した例を示している。
【0008】
上記バルーン照明機1は、左右一対の前輪2と後輪3とを備え、移動自在の台車4と、この台車4上に設けられた伸縮可能な昇降装置5と、この昇降装置5の上端に取り付けられた照明バルーン6と、この照明バルーン6に電気を供給する発電機7とを備えている。
【0009】
また、台車4には、前後輪2、3の方向変換用の操向ハンドル8と、後輪3を制動するブレーキ装置9と、左右一対のアウトリガー装置10が設けられている。
【0010】
つぎに、本発明の実施形態に係るアウトリガー装置10について、図2〜図8を用いて説明する。
【0011】
この実施形態に係るアウトリガー装置10は、図2及び図3に示すように、台車4の後端部の左右両側に、それぞれ台車の外方へ向けて八の字状に固定された左右一対の取付ブラケット11と、これら取付ブラケット11にそれぞれ回動自在に軸支された半円形状の回動体12と、これら回動体12にそれぞれ基端を連結固定され、先端に接地板13aを有する左右の支持アーム13と、前記取付ブラケット11と回動体12との間に配設され、支持アームム13の先端に設けられた接地板13aの高さ位置を地面の高さに合わせてそれぞれ自動調整し、台車4の平行出しを行う接地高さ自動調整機構14とから構成されている。
【0012】
前記取付ブラケット11は、詳細を図4に示すように、それぞれ台車4上に取り付けられる底板11aと、この底板11aに連接された左右一対の側板11b、11cとからなり、これら両側板11b、11c間に上方と前後に上方開口部11dと前後開口部11e,11fとが形成されている。
【0013】
前記回動体12は、それぞれ前記取付ブラケット11の両側板11b、11c間に支持軸17を介して回動自在に軸支されている。
【0014】
前記支持アーム13は、基端を前記回動体12に連結固定されると共に前端に接地板13aが設けられ、台車4の外方へ向けて八の字状に張り出し自在で、且つ、それぞれの先端に設けられた接地板11aが接地自在な形状に形成されている。
【0015】
つぎに、接地高さ自動調整機構14の構成について説明する。
【0016】
この接地高さ自働調整機構12は、図4〜図7に示すように、前記取付ブラケット13と前記回動体12との間に配設されている。
【0017】
回動体12には、支持アーム13を収納位置に固定する収納位置決めテーパー孔15と、支持アーム13の接地板13aの地面への接地高さの位置を自動的に調整して台車4の平行出しを行う調整位置決めテーパー孔16とが設けられ、取付ブラケット11の両側板11b,11c間に支持軸17を介して回動自在に軸支されている。
【0018】
一方取付ブラケット11の台車4外側の側板11bには、回動体12に形成された収納位置決めテーパー孔15に対応する位置と調整位置決めテーパー孔16とに、それぞれ係脱自在に係合可能なテーパー係止体18を備えた係止装置19が固設されている。
【0019】
上記係止装置19は、テーパー係止体18と、このテーパー係止体18を連結する作動軸20と、テーパー係止体18と作動軸20が配設される円筒状のケース21と、このケース21内に収容されて前記テーパー係止体18を作動軸20を介して前記回動体12に形成された固定位置決めテーパー孔15と調整位置決めテーパー孔16に向けて付勢するコイルバネ等からなる付勢部材22とから構成されている。
【0020】
そして、作動軸20の一端側は、ケース21の外側に突出されており、先端部には操作握持体23が係脱可能に螺着されている。
【0021】
また、取付ブラケット11の左右一対の側板11b、11cには、前記テーパー係止体18のテーパー部24の大径部24aを、それぞれ挿通可能とする挿通孔25が同心上に開口されている。
【0022】
なお、台車4の内側の側板11cに形成された挿通孔25は、係止装置19のテーパー係止体18を、台車4の外側の側板11bの外面に固設されたケース21に組み込む際に利用されるものである。
【0023】
次ぎに、上記アウトリガー装置10の作用について説明する。
【0024】
台車4を地面上に設置する場合には、まず、係止装置19の握持部23をもって作動軸20をケース21の外方へ移動させてテーパー係止体18を回動体12の収納位置決めテーパー孔15から引き抜いて、支持アーム13を収納状態から下方へ向けて回動操作して台車4の外方へ張り出すと共に、回動体12の調整位置決めテーパー孔16に挿入して付勢部材22によって付勢する。
この状態における接地高さ自動調整機構14は、図7(a)に示されるように、
、係止装置19のテーパー係止体18を回動体12に形成された調整位置決めテーパー孔16内に完全に挿入させて支持アーム13を支持している。
【0025】
そして、台車4を設置する地面が平担な場合には、左右一対の支持アーム13、13の接地板13a、13aが両方とも図5及び図6に示すS1の位置で同高さに接地され、これにより台車4が平行に支持されるので、台車4は安定した状態で地面上に設置される。
【0026】
また、台車4を設置する地面に凹凸がある場合には、一方の支持アーム13の接地板13aが図5及び図6に示すS1(地面の凹部)の位置で接地され、他方の支持アーム13の接地板13aが図5及び図6に示すS2(地面の凸部)の位置で接地され、左右の支持アーム13の接地板13aの地面への接地高さの位置を、接地高さ自動調整機構14が自動的に調整して台車4の平行出しが行なわれる。これにより車台4は安定した状態で地面上に設置される。
【0027】
この状態における接地高さ自動調整機構14は、一方の支持アーム13が図7(a)に示されるように、係止装置19のテーパー係止体18が回動体12に形成された調整位置決めテーパー孔16内に完全に挿入状態で支持されており、また、他方の支持アーム13は図7(b)に示されるように、該支持アーム13の上向き移動により回動体12が支持軸17を介して上向きに回動されて、係止装置19のテーパー係止体18が回動体12に形成された調整位置決めテーパー孔16の下面半分のテーパー部24で支持されている。
【0028】
また、台車4を設置する地面の凹凸の段差が更に大きい場合には、一方の支持アーム13の接地板13aが図5及び図6に示すS1(地面の凹部)の位置で接地され、他方の支持アーム13の接地板13aが図5及び図6に示すS3(地面の凸部)の位置で接地され、左右の支持アーム13の接地板13aの地面への接地高さの位置を、接地高さ自動調整機構14が自動的に調整して台車4の平行出しが行なわれる。これにより台車4は安定した状態で地面上に設置される。
【0029】
この状態における接地高さ自動調整機構14は、一方の支持アーム13が図7(a)に示されるように、係止装置19のテーパー係止体18が回動体12に形成された調整位置決めテーパー孔16内に完全に挿入状態で支持されており、また、、他方の支持アーム13は図7(c)に示されるように、該支持アーム13の上向き移動により回動体12が支持軸17を介して更に上向きに回動されて係止装置19のテーパー係止体18が回動体12に形成された調整位置決めテーパー孔16の下面半分及び外側半分のテーパー部24で支持されている。
【0030】
上記のように、本発明の台車用アウトリガー装置によれば,左右の支持アーム13の接地板13aの地面への接地高さの位置を、接地高さ自動調整機構14が自動的に調整して台車4の平行出しが行なわれるので、支持アーム13を地面に接地するときに、地面に凹凸がある場合でも、支持アーム13の接地板13aを確実に地面に接地させることができるため、台車の平行出しを簡単、容易に行なうことができ、これにより台車4を安定した状態で地面上に設置することができる。
【0031】
また、本発明の台車用アウトリガー装置によれば、接地高さ自動調整機構の構造を簡単にすることができ、製作コストの低減を図ることができる。
【0032】
【発明の効果】
以上の説明より明らかなように、請求項1の発明によれば、台車の後端部の左右両側に、それぞれ台車の外方へ向けて八の字状に固定された左右一対の取付ブラケットと、これら取付ブラケットにそれぞれ回動自在に軸支された半円形状の回動体と、これら回動体にそれぞれ基端を連結固定され、先端に接地板を有する左右の支持アームとを備え、前記取付ブラケットと回動体との間に配設され、前記回転体に連結固定された支持アームの先端の接地板の高さ位置を地面の高さに合わせてそれぞれ自動調整し、台車の平行出しを行う接地高さ自動調整機構を設けたことにより、支持アームを地面に接地するときに、地面に凹凸がある場合でも、支持アームの接地高さ位置を接地高さ自動調整機構が確実に自動調整するので、台車の平行出しを簡単、容易に行なうことができ、これにより台車を安定した状態で地面上に設置することができる。
【0033】
請求項2の発明によれば、前記接地高さ自動調整機構が、前記取付ブラケットと前記回動体との間に配設され、前記回動体に、支持アームを収納位置に固定する収納位置決めテーパー孔と、支持アームの接地板の接地高さ位置を自動的に調整して台車の平行出しを行う調整位置決めテーパー孔とを設け、一方取付ブラケットには、回動体に形成された収納位置決めテーパー孔と調整位置決めテーパー孔とに、それぞれ係脱自在に係合可能なテーパー係止体を備えた係止装置を設けたことにより、台車4を設置する地面の凹凸の段差の大小に関わりなく係止装置が回動体に形成された調整位置決めテーパー孔で支持されるので、台車を安定した状態で地面上に設置することができる。
【0034】
請求項3の発明によれば、前記係止装置が、テーパー係止体を連結する作動軸と、該作動軸を介してテーパー係止体を回動体の収納位置決めテーパー孔と調整位置決めテーパー孔に向けて付勢する付勢部材と、これらテーパー係止体、作動軸及び付勢部材が収容されるケースとから構成しているので、接地高さ自働調整機構の構造を簡単することができ、製作コストの低減を図ることができる。
【図面の簡単な説明】
【図1】本発明の実施形態に係る台車用アウトリガー装置を備えたバルーン照明機を示す側面図である。
【図2】台車用アウトリガー装置の支持アームを張り出した状態を示す背面図である。
【図3】台車用アウトリガー装置の支持アームを収納した状態を示す背面図である。
【図4】台車用アウトリガー装置の接地高さ自動調整機構を示す斜視図である。
【図5】台車用アウトリガー装置の支持アームの張り出し状態における接地高さ自動調整機構の作用を説明する側面図である。
【図6】台車用アウトリガー装置の支持アームの張り出し状態における接地高さ自動調整機構を示す図5のA−A線矢視断面図である。
【図7】接地高さ自動調整機構の作用状態を示す断面図である。
【図8】台車用アウトリガー装置の支持アームを収納した状態を示す側面図である。
【符号の説明】
1 バルーン照明機
4 台車
11 取付ブラケッット
12 回動体
13 支持アーム
13a 接地板
14 接地高さ自動調整機構
15 収納位置決めテーパー孔
16 調整位置決めテーパー孔
18 テーパー係止部
19 係止装置
20 作動軸
21 ケース
22 付勢部材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a trolley outrigger device used for a trolley on which a projector or the like used for night illumination at a civil engineering work site or an event venue is placed.
[Prior art]
Conventionally, this type of trolley outrigger device has a pair of left and right mounting brackets fixed to the left and right sides of the rear end of the trolley so as to be diagonally outward of the trolley. The base end of each projecting member is connected and fixed to each of the supported rotating bodies, and a grounding plate is fixed to the distal end of each projecting member.
[0002]
And the left and right grounding height position adjustment to match the tip grounding plate of the pair of left and right projecting members to the height of the ground is performed by engaging and disengaging the engaging pins provided between the mounting bracket and the rotating body. It has been broken.
[Problems to be solved by the invention]
However, in the above conventional cart outrigger device, the engaging pin that engages and disengages the mounting bracket and the rotating body is composed of a straight knob bolt pin. Therefore, when installing the cart, when paralleling the cart, If the ground surface is uneven, there is a risk that the locking of the overhanging member may be insufficient, making it difficult to parallelly move the carriage.
[0003]
Therefore, according to the present invention, when the support arm is grounded to the ground, the ground plate of the support arm can be surely grounded to the ground even when the ground is uneven, and the carts can be easily parallelized. Accordingly, it is an object of the present invention to provide an outrigger device for a carriage that can be installed on the ground in a stable state.
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention of claim 1 includes a pair of left and right mounting brackets fixed to the left and right sides of the rear end portion of the carriage in the shape of an eight character toward the outside of the carriage, and these attachments. A semicircular rotary body pivotally supported by the brackets, and left and right support arms having base ends connected and fixed to the rotary bodies and having grounding plates at the distal ends, respectively. A grounding height that automatically adjusts the height position of the grounding plate at the tip of the support arm, which is arranged between the moving body and fixedly connected to the rotating body, according to the height of the ground to parallelize the carriage. An automatic adjustment mechanism is provided.
[0004]
The invention according to claim 2 is the cart outrigger device according to claim 1, wherein the automatic contact height adjustment mechanism is disposed between the mounting bracket and the rotating body, and is supported by the rotating body. The storage positioning taper hole that fixes the arm in the storage position and the adjustment positioning taper hole that automatically adjusts the grounding height position of the grounding plate of the support arm to parallelize the carriage are provided. The storage positioning taper hole and the adjustment positioning taper hole formed in the rotating body are each provided with a locking device provided with a taper locking body that can be engaged and disengaged.
[0005]
According to a third aspect of the present invention, there is provided the outrigger device for a carriage according to the second aspect, wherein the locking device is configured such that an operating shaft that connects the tapered locking body, and the tapered locking body is rotated via the operating shaft. The housing positioning taper hole and the biasing member biasing toward the adjustment positioning taper hole, and a case in which the taper locking body, the operating shaft and the biasing member are housed.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side view showing a balloon illuminator equipped with a cart outrigger device according to an embodiment of the present invention, FIG. 2 is a rear view showing a state in which a support arm of the cart outrigger device is projected, and FIG. FIG. 4 is a rear view showing a state in which the support arm of the cart outrigger device is housed, FIG. 4 is a perspective view showing an automatic contact height adjustment mechanism of the cart outrigger device, and FIG. 5 is a projecting state of the support arm of the cart outrigger device FIG. 6 is a side view for explaining the operation of the automatic contact height adjustment mechanism in FIG. 6, FIG. 6 is a cross-sectional view taken along line AA in FIG. FIG. 7 is a cross-sectional view showing an action state of the automatic contact height adjustment mechanism, and FIG. 8 is a side view showing a state in which the support arm of the cart outrigger device is stored.
[0007]
FIG. 1 shows an example in which a cart outrigger device according to an embodiment of the present invention is mounted on a balloon illuminator 1.
[0008]
The balloon illuminator 1 includes a pair of left and right front wheels 2 and a rear wheel 3, a movable cart 4, a telescopic lifting device 5 provided on the cart 4, and an upper end of the lifting device 5. An attached illumination balloon 6 and a generator 7 for supplying electricity to the illumination balloon 6 are provided.
[0009]
Further, the cart 4 is provided with a steering handle 8 for changing the direction of the front and rear wheels 2 and 3, a brake device 9 for braking the rear wheel 3, and a pair of left and right outrigger devices 10.
[0010]
Next, an outrigger device 10 according to an embodiment of the present invention will be described with reference to FIGS.
[0011]
As shown in FIGS. 2 and 3, the outrigger device 10 according to this embodiment has a pair of left and right sides fixed to the left and right sides of the rear end portion of the carriage 4 in the shape of an eight character toward the outside of the carriage. Mounting brackets 11, semicircular rotating bodies 12 pivotally supported by the mounting brackets 11, and left and right sides having base ends connected and fixed to the rotating bodies 12 and having grounding plates 13a at the distal ends. The height position of the grounding plate 13a disposed between the support arm 13, the mounting bracket 11 and the rotating body 12 and provided at the tip of the support arm 13 is automatically adjusted according to the height of the ground. It is composed of a ground contact height automatic adjusting mechanism 14 for parallelly moving the cart 4.
[0012]
As shown in detail in FIG. 4, the mounting bracket 11 includes a bottom plate 11a attached to the carriage 4 and a pair of left and right side plates 11b and 11c connected to the bottom plate 11a. An upper opening 11d and front / rear openings 11e and 11f are formed between the upper and the rear.
[0013]
The rotating body 12 is pivotally supported via a support shaft 17 between both side plates 11b and 11c of the mounting bracket 11, respectively.
[0014]
The support arm 13 has a base end connected and fixed to the rotating body 12 and a grounding plate 13a provided at the front end thereof, and can be projected outwardly from the carriage 4 in an eight-letter shape. The grounding plate 11a provided in is formed in a shape allowing grounding.
[0015]
Next, the configuration of the ground contact height automatic adjustment mechanism 14 will be described.
[0016]
As shown in FIGS. 4 to 7, the ground height automatic adjustment mechanism 12 is disposed between the mounting bracket 13 and the rotating body 12.
[0017]
The rotating body 12 automatically adjusts the position of the storage positioning taper hole 15 for fixing the support arm 13 at the storage position and the height of the ground contact of the support arm 13 to the ground surface of the ground plate 13a. An adjustment positioning taper hole 16 is provided, and is pivotally supported between both side plates 11b, 11c of the mounting bracket 11 via a support shaft 17.
[0018]
On the other hand, the side plate 11b outside the carriage 4 of the mounting bracket 11 has a taper engagement that can be removably engaged with a position corresponding to the storage positioning taper hole 15 formed in the rotating body 12 and an adjustment positioning taper hole 16. A locking device 19 having a stop 18 is fixed.
[0019]
The locking device 19 includes a tapered locking body 18, an operating shaft 20 that connects the tapered locking body 18, a cylindrical case 21 in which the tapered locking body 18 and the operating shaft 20 are disposed, Attached in a case 21 is formed of a coil spring or the like that urges the taper locking body 18 toward the fixed positioning taper hole 15 and the adjustment positioning taper hole 16 formed in the rotating body 12 via the operating shaft 20. It is comprised from the urging member 22.
[0020]
One end side of the operating shaft 20 protrudes to the outside of the case 21, and an operation gripping body 23 is removably screwed to the tip portion.
[0021]
The pair of left and right side plates 11b and 11c of the mounting bracket 11 are concentrically opened with insertion holes 25 through which the large-diameter portion 24a of the tapered portion 24 of the tapered locking body 18 can be inserted.
[0022]
The insertion hole 25 formed in the inner side plate 11 c of the carriage 4 is used when the tapered locking body 18 of the locking device 19 is incorporated in the case 21 fixed to the outer surface of the outer side plate 11 b of the carriage 4. It is what is used.
[0023]
Next, the operation of the outrigger device 10 will be described.
[0024]
When the carriage 4 is installed on the ground, first, the operating shaft 20 is moved outward of the case 21 by the gripping portion 23 of the locking device 19, and the taper locking body 18 is moved to the storage positioning taper of the rotating body 12. Withdrawing from the hole 15, the support arm 13 is rotated downward from the stored state to project outward from the carriage 4, and inserted into the adjustment positioning taper hole 16 of the rotating body 12 by the biasing member 22. Energize.
As shown in FIG. 7A, the ground contact height automatic adjustment mechanism 14 in this state is
The support arm 13 is supported by completely inserting the taper locking body 18 of the locking device 19 into the adjustment positioning taper hole 16 formed in the rotating body 12.
[0025]
When the ground on which the carriage 4 is installed is flat, the ground plates 13a and 13a of the pair of left and right support arms 13 and 13 are both grounded at the same height at the position S1 shown in FIGS. Thus, since the carriage 4 is supported in parallel, the carriage 4 is placed on the ground in a stable state.
[0026]
Further, when the ground on which the carriage 4 is installed is uneven, the ground plate 13a of one support arm 13 is grounded at the position of S1 (the concave portion of the ground) shown in FIGS. The grounding plate 13a is grounded at the position of S2 (the convex portion of the ground) shown in FIGS. 5 and 6, and the grounding height position of the grounding plate 13a of the left and right support arms 13 to the ground is automatically adjusted. The mechanism 14 automatically adjusts so that the carriage 4 is parallelized. Thereby, the chassis 4 is installed on the ground in a stable state.
[0027]
In this state, the contact height automatic adjustment mechanism 14 has an adjustment positioning taper in which the taper locking body 18 of the locking device 19 is formed on the rotating body 12 so that the one support arm 13 is shown in FIG. The other support arm 13 is supported in the hole 16 in a completely inserted state, and as shown in FIG. 7B, the rotating body 12 is moved via the support shaft 17 by the upward movement of the support arm 13. The taper locking body 18 of the locking device 19 is supported by a taper portion 24 on the lower half of the adjustment positioning taper hole 16 formed in the rotation body 12.
[0028]
When the unevenness of the ground on which the carriage 4 is installed is further larger, the grounding plate 13a of one support arm 13 is grounded at the position of S1 (recessed portion of the ground) shown in FIGS. The grounding plate 13a of the support arm 13 is grounded at the position of S3 (the convex portion of the ground) shown in FIGS. 5 and 6, and the position of the grounding height of the grounding plate 13a of the left and right support arms 13 to the ground is determined as the grounding height. The automatic adjustment mechanism 14 automatically adjusts so that the cart 4 is parallelized. Thereby, the carriage 4 is installed on the ground in a stable state.
[0029]
In this state, the contact height automatic adjustment mechanism 14 has an adjustment positioning taper in which the taper locking body 18 of the locking device 19 is formed on the rotating body 12 so that the one support arm 13 is shown in FIG. The other support arm 13 is supported in a completely inserted state in the hole 16, and the rotating body 12 supports the support shaft 17 by the upward movement of the support arm 13 as shown in FIG. Further, the taper locking body 18 of the locking device 19 is supported by the lower half and the outer half taper portion 24 of the adjustment positioning taper hole 16 formed in the rotation body 12.
[0030]
As described above, according to the cart outrigger device of the present invention, the ground contact height automatic adjustment mechanism 14 automatically adjusts the position of the ground contact height of the ground support plate 13a of the left and right support arms 13 to the ground. Since the carriage 4 is paralleled, the grounding plate 13a of the support arm 13 can be reliably grounded to the ground even when the ground is uneven when the support arm 13 is grounded. Paralleling can be performed easily and easily, whereby the carriage 4 can be placed on the ground in a stable state.
[0031]
Moreover, according to the cart outrigger device of the present invention, the structure of the automatic contact height adjustment mechanism can be simplified, and the production cost can be reduced.
[0032]
【The invention's effect】
As apparent from the above description, according to the invention of claim 1, a pair of left and right mounting brackets fixed to the left and right sides of the rear end portion of the carriage in the shape of an eight character toward the outside of the carriage, respectively. A semicircular rotary body pivotally supported by each of the mounting brackets, and left and right support arms having base ends connected to and fixed to the rotary bodies and having a grounding plate at the tip. The height of the grounding plate at the tip of the support arm, which is arranged between the bracket and the rotating body and is connected and fixed to the rotating body, is automatically adjusted according to the height of the ground to parallelize the carriage. The ground contact height automatic adjustment mechanism ensures that the ground contact height automatic adjustment mechanism automatically adjusts the ground contact height position of the support arm even when the ground is uneven when the support arm is grounded. So, make the cart parallel Single, can be easily performed, thereby a stable state the dolly may be placed on the ground.
[0033]
According to the second aspect of the present invention, the automatic contact height adjustment mechanism is disposed between the mounting bracket and the rotating body, and the storage positioning taper hole for fixing the support arm to the storage position on the rotating body. And an adjustment positioning taper hole for automatically adjusting the ground contact height position of the grounding plate of the support arm to parallelize the carriage, while the mounting bracket includes a storage positioning taper hole formed in the rotating body. Regardless of the size of the uneven surface of the ground on which the carriage 4 is installed, the locking device is provided with the locking device having the taper locking body that can be detachably engaged with the adjustment positioning taper hole. Is supported by the adjustment positioning taper hole formed in the rotating body, so that the carriage can be installed on the ground in a stable state.
[0034]
According to the invention of claim 3, the locking device includes an operating shaft for connecting the taper locking body, and the taper locking body via the operating shaft into the storage positioning taper hole and the adjustment positioning taper hole of the rotating body. Since it is composed of an urging member that urges toward the head, and a case in which these taper locking body, operating shaft, and urging member are accommodated, the structure of the ground contact height automatic adjustment mechanism can be simplified. The production cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a side view showing a balloon illuminator provided with an outrigger device for a cart according to an embodiment of the present invention.
FIG. 2 is a rear view showing a state in which a support arm of the outrigger device for a cart is extended.
FIG. 3 is a rear view showing a state in which a support arm of a cart outrigger device is housed.
FIG. 4 is a perspective view showing an automatic contact height adjustment mechanism of a cart outrigger device.
FIG. 5 is a side view for explaining the operation of the ground contact height automatic adjustment mechanism when the support arm of the cart outrigger device is extended.
6 is a cross-sectional view taken along line AA of FIG. 5 showing an automatic contact height adjustment mechanism in a state where a support arm of the outrigger device for a carriage is extended.
FIG. 7 is a cross-sectional view showing the operating state of the ground contact height automatic adjustment mechanism.
FIG. 8 is a side view showing a state in which the support arm of the cart outrigger device is housed.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Balloon illumination machine 4 Carriage 11 Mounting bracket 12 Rotating body 13 Support arm 13a Grounding plate 14 Grounding height automatic adjustment mechanism 15 Storage positioning taper hole 16 Adjustment positioning taper hole 18 Taper locking part 19 Locking device 20 Actuating shaft 21 Case 22 Biasing member

Claims (2)

台車の後端部の左右両側に、それぞれ台車の外方へ向けて八の字状に固定された左右一対の取付ブラケットと、これら取付ブラケットにそれぞれ回動自在に軸支された半円形状の回動体と、これら回動体にそれぞれ基端を連結固定され、先端に接地板を有する左右の支持アームとを備え、前記取付ブラケットと回動体との間に配設され、前記回動体に連結固定された支持アームの先端の接地板の高さ位置を地面の高さに合わせてそれぞれ自動調整し、台車の平行出しを行う左右の接地高さ自動調整機構を設けた台車用アウトリガー装置において、前記接地高さ自動調整機構が、前記取付ブラケットと前記回動体との間に配設され、前記回動体に、支持アームを収納位置に固定する収納位置決めテーパー孔と、支持アームの接地板の接地高さ位置を自動的に調整して台車の平行出しを行う調整位置決めテーパー孔とを設け、一方取付ブラケットには、回動体に形成された収納位置決めテーパー孔と調整位置決めテーパー孔とに、それぞれ係脱自在に係合可能なテーパー係止体を備えた係止装置を設けてなることを特徴とする台車用アウトリガー装置。  A pair of left and right mounting brackets fixed to the left and right sides of the rear end of the carriage, and a semicircular shape pivotally supported by these mounting brackets. Rotating bodies and left and right support arms each having a base end connected and fixed to each of the rotating bodies and having a grounding plate at the tip are disposed between the mounting bracket and the rotating body, and are connected and fixed to the rotating body. In the cart outrigger device provided with left and right ground height automatic adjustment mechanisms for automatically adjusting the height position of the grounding plate at the tip of the support arm according to the height of the ground and paralleling the cart, A grounding height automatic adjustment mechanism is disposed between the mounting bracket and the rotating body. The rotating body has a storage positioning taper hole for fixing the support arm to the storage position, and a grounding height of the grounding plate of the support arm. Position An adjustment positioning taper hole that automatically adjusts the carriage to parallelize the carriage is provided, while the mounting bracket is detachably connected to the storage positioning taper hole and the adjustment positioning taper hole formed in the rotating body. An outrigger device for a carriage, comprising a locking device including a taper locking body that can be engaged. 請求項1記載の台車用アウトリガー装置であって、前記係止装置が、テーパー係止体を連結する作動軸と、該作動軸を介してテーパー係止体を回動体の収納位置決めテーパー孔と調整位置決めテーパー孔に向けて付勢する付勢部材と、これらテーパー係止体、作動軸及び付勢部材が収容されるケースとからなることを特徴とする台車用アウトリガー装置。  2. The outrigger device for a carriage according to claim 1, wherein the locking device adjusts the taper locking body with the storage positioning taper hole of the rotating body via the operation shaft for connecting the taper locking body. An outrigger device for a carriage comprising an urging member that urges toward a positioning taper hole, and a case in which the taper locking body, the operating shaft, and the urging member are accommodated.
JP2002208890A 2002-07-17 2002-07-17 Outrigger device for cart Expired - Fee Related JP3733464B2 (en)

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WO2017028203A1 (en) * 2015-08-18 2017-02-23 北京艾肯拓科技有限公司 Method and device for generating geographic coordinates
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