JP4184533B2 - Horizontal posture maintenance mechanism of transport cart - Google Patents

Horizontal posture maintenance mechanism of transport cart Download PDF

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JP4184533B2
JP4184533B2 JP11268799A JP11268799A JP4184533B2 JP 4184533 B2 JP4184533 B2 JP 4184533B2 JP 11268799 A JP11268799 A JP 11268799A JP 11268799 A JP11268799 A JP 11268799A JP 4184533 B2 JP4184533 B2 JP 4184533B2
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vehicle body
traveling
track
transport
transport cart
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JP2000264197A (en
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敏美 柴田
剛 山上
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日本ケーブル株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は地上に敷設された勾配が変化する傾斜区間を有する軌道上を走行するための搬送台車であって、搬送台車が軌道の傾斜区間を走行する場合においても人又は物を乗せた車体が水平になるようにするための搬送台車の水平姿勢維持機構に関するものである。
【0002】
【従来の技術】
図8は従来の搬送台車60の姿勢を水平に維持するための構造を示したものである。図示するように走行レール62が勾配θ1の傾斜をしている場合について、走行レール62と側面視で間隔e1を保って上下に平行に勾配θ1の傾斜をした別の走行レール63を敷設する。また、搬送台車60に具えた進行方向の一方側の走行輪61,61は走行レール62上を転動し、他方側の走行輪61,61は走行レール63上を転動するようにする。走行レール62が前記した勾配θ1より勾配θ2と急勾配になった場合には走行レール62と走行レール63の間隔を広げて間隔e2となるよう敷設する。このようにして、走行台車60の前側の走行輪61,61と後側の走行輪61,61が転動する走行レール62および走行レール63を別々に敷設して傾斜区間を通過する際の搬送台車60の水平姿勢を維持するようにしたものがある。
【0003】
又、図9は別の従来の技術を示したものである。搬送台車70は前後に走行論73,73と走行輪73,73を具えた台枠72上に車体71を一端側はヒンジ74で支持し、他端側は伸縮自在の直動形のアクチェータ75を介在して支持した構成のものである。搬送台車70が勾配θ1だけ傾斜した走行レール73上を走行する際には車体71が水平になるように前記したアクチェータ75を所定量だけ伸出する。さらに、図示するように勾配θ2の急傾斜した走行レール75を走行する際には同様にアクチェータ75が伸出して車体71が水平になるようにしたものがある。
【0004】
【発明が解決しようとする課題】
上記したように図8で示した搬送台車60の水平を維持する機構においては、傾斜した区間ではそれぞれ別々の走行レール62と走行レール63を敷設する必要があり走行レールを敷設するための費用および労力が必要になる。続いて、図9で示した走行レール76上を転動する走行輪73,73,…を具えた台枠72上に車体71の一端側をアクチェータ75で支承して走行レール76の勾配に対応させてアクチェータ75を伸縮させて車体71の水平を維持する構造のものではアクチェータ75で人又は物を搭載した車体71の重量を支持しながら走行レール76の勾配変化に対応させて伸縮の制御を行なわなければならず制御の方法および構造が複雑になり、結果として費用がかかり、故障が発生し易い問題があった。本発明の課題は前記したように傾斜した軌道を走行する搬送台車の水平姿勢を維持するための別途に走行レールを敷設する必要が無く、姿勢を維持するための直動形のアクチェータを用いず、より構造が簡単で制御の容易な搬送台車の水平姿勢維持機構を提供することを課題とする。
【0005】
【課題を解決すための手段】
前記した課題を解決するために、本発明は地上面に敷設された勾配区間を有する軌道上を走行する搬送台車であって、該搬送台車の水平姿勢維持機構は、
搬送台車の進行方向前後に配備した、搬送台車を支持して軌道上を転動する走行輪と、搬送台車を軌道に沿って誘導する誘導論と、搬送台車の軌条からの浮き上がりを防ぐ補助輪とを有した2組の走行台枠と、
該2組の走行台枠の間に搬送台車の進行方向に凹型に湾曲して形成し、平行にして渡架したガイドレールと、
該2組のガイドレールと係合する複数のガイドローラを底部に枢着した車体と前記2組のガイドレールと同芯円となるように凹型に湾曲して形成し、前記各々のガイドレールに固着したラックと、
前記車体に備えて前記各々のラックと噛み合うピニオンを軸に嵌着した油圧モータと、
該油圧モータを制御する制御装置とよりなり、
前記搬送台車が前記軌道の勾配区間を走行する時、前記車体が自重による復元力でガイドレール上を相対的に搬送台車の進行方向に摺動すると共に、前記ラックに噛み合ったピニオンを介しての油圧モータの回転を制御装置で制御することによって前記車体の揺動の速度を調節して、前記車体の水平姿勢を維持するようにし、前記制御装置として電磁弁と絞り弁とを備えた油圧回路を構成するようにする。
【0006】
【発明の実施の形態】
以下、本発明の実施の形態を図を用いて説明する。図1は本発明の水平姿勢維持機構を備えた搬送台車1が水平な軌道40上を走行する状態を説明した側面図であり、図2は図1の平面図、図3は正面図である。搬送台車1は車体2とガイドレール4,4および走行輪10,10,…を具えた走行台枠7,7とより構成されている。車体2は側面視で略卵形で底部は円弧状に形成されている。車体2の底部には図4で示すように内側の両側面に複数の軸受箱15,15,…と軸受箱15,15,…を側面視で左右に対称となる位置に固設する。軸受箱15,15,…と軸受箱15,15,…には水平方向に軸16,16,…および軸16,16,…を固着して延出し、ガイドローラ17,17,…とガイドローラ17,17,…を回転可能に枢着する。つぎに、車体2の底部であって側面視で中央位置にはプレート20,20を下方に突出し、制御装置21,21を具えた油圧モータ22,22を水平にして固着し、装備する。また油圧モータ22,22の軸22a,22aにはそれぞれピニオン18,18とを嵌着する。
【0007】
ガイドレール4,4は断面が”コ”の字形の形鋼を車体2の底部の円弧と同芯円の凹形円弧状に湾曲して形成し、搬送台車1の進行方向に2列平行に並べ、前後をステー5,5とで接続し、平面視で井桁状にガイドフレーム3を構成する。さらに、図1、2、4で示すようにガイドレール4,4の底部には各々のガイドレール4,4の底部と同じ曲率に湾曲して形成したラック18,18とを内側に向けて固着延出する。
【0008】
前記した車体2は、両側に枢着したガイドローラ17,17,…およびガイドローラ17,17,…をそれぞれガイドレール4,4の溝に転動可能に嵌め込む。同時に、車体2の中央に装備した油圧モータ22,22の軸22a,22aに嵌着したピニオン19,19をガイドレール4,4側に固着したラック18,18とに噛み合わせるようにする。
【0009】
つぎに、車体2に装備した油圧モータ22の回転を制御する制御装置21の構成を図5の油圧回路図で説明する。制御装置21は油圧モータ22の両ポートからのチェック弁25と止め弁28(エア抜き)を繋ぎ入れた回路Aと、同様にチェック弁25と止め弁28(エア抜き)を入れた回路Bとを接点fで繋ぐ。回路Aの接点aと回路Bの接点bとの間には電磁弁23と絞り弁24とを直列に繋いだ回路Cを構成し、接点cと接点dとの間にはチェック弁25とチェック弁25とを背向し、中間に接点eのある回路Dを構成する。さらに、接点fと回路Dの接点eの間にリリーフ弁26を入れ、一端に油圧計27と、他端にタンク29を具えた回路Eを構成する。
【0010】
前記した車体2を搬送台車1の進行方向に揺動自在に支承した2つの平行なガイドレール4,4を繋いだ進行方向前後のステー5,5の下部には旋回支持部6,6を構成する。旋回支持部6,6には走行台枠7,7を水平に旋回可能に繋ぐようにする。走行台枠7は角形鋼管を正面視で略門形に形成し、両下端部にはそれぞれ2輪の走行輪10,10と走行輪10,10を枢着したビーム9,9を固着する。さらに、図3の右側に示す様にビーム9より鍵状のブラケト11を下方に固着延出し、下端には垂直方向に回転可能に補助輪12を枢着する。これとは別に図3の左側に示す様にビーム11より内側にブラケット13を突出し、先端部に水平に回転する誘導輪14を具えたアーム13aをばね等で附勢した状態で上下に揺動自在に枢着する。
【0011】
搬送台車1が走行する軌道40は2本のH形鋼を用いた走行レール41,41を平行にして並べ、複数のステー43,43,…で繋ぎ、鋼管を用いた支持梁42を2本の走行レール41,41と平行で中央下部に位置させ、複数のステー44,44,…と斜材45,45,…で繋ぎ、トラス構造にして搬送台車1の重量を支持できる構成にする。
【0012】
図3で示すように搬送台車1が上記した構造の軌道40を走行する状態は、2つの走行レール41,41の上面を並列に並べた走行輪10,10,…が転動し、下部の補助輪12,12,…がH鋼の一方側の溝に嵌まり込み転動し、誘導輪14,14,…がH鋼の側面に当接して転動することで搬送台車1が軌道40の傾斜区間、屈曲区間を外れることなく走行できるようにしている。
【0013】
図6は本発明の水平姿勢維持機構を備えた搬送台車1が軌道40の水平区間40aを走行している状態を示したものであり、図7は軌道40の傾斜区間40bを走行する状態を説明したものである。軌道40の水平区間40aを走行する時には車体2は湾曲しール4,4の中央に位置している。続いて、図7で示す様に搬送台車1が軌道40の傾斜区間40bを走行する際には車体2は自重により車体2側へ2列平行に並べて取り付けたガイドローラ17,17,…およびガイドローラ17,17,…が、図4に示す”コ”の字形の形鋼を用いて形成したガイドレール4,4の溝に嵌まり込んだ状態で転動しながらガイドレール4,4上を矢印48方向に相対的に揺動する。この車体2の揺動作用で車体2側に取り付けた油圧モータ22,22の軸22a,22aに嵌着したピニオン19,19がガイドレール4,4の側面に固着したラック18,18に噛み合いながら回転し、油圧モータ22,22が回転する。この時、図5の油圧回路図で示すように油圧モータ22,22の回転を制御する制御装置21を構成する絞り弁24で油圧モータ22,22を流れる油の流量を調整することで車体2がガイドレール4,4を揺動する速度を調節し、車体2が円滑に水平姿勢を維持するようにする。従って、制御装置21の絞り弁24の調節だけで軌道40の様々な勾配に容易に対応することが可能となる。
【0014】
図示していないが軌道40に沿ってトロリーを敷設し、搬送台車1側に集電装置を取り付け、制御装置21へ給電するようにして電磁弁23を動作させることで、油圧モータ22,22の油流を遮断し回転を止めるようにすればガイドレール4,4のラック18,18に噛み合ったピニオン19,19を介して車体2がガイドレール4,4を揺動する動作を強制的に止めることができる。例えば、停留場で搬送台車1に乗客が乗降するような際には上記のように電磁弁23を作動させ車体2の揺動を止めて水平姿勢を維持することで乗客の安全な乗降が行えるようにする。尚、搬送台車は自身に駆動装置を装備した自走式の搬送台車や軌道に沿って移動する索条により牽引される形式の搬送台車に適用可能である。
【0015】
【発明の効果】
以上の様に、本発明においては、軌道40を走行する走行輪10,10,…を具えた走行台枠7,7には搬送台車1の進行方向に湾曲したガイドレール4,4を旋回支持部6,6を介在させて架設する。他方、車体2にはガイドレール4,4に係合して転動する複数のガイドローラ17,17,…を具え、ガイドレール4,4で車体2を搬送台車1の進行方向へ揺動自在に支承するようにする。さらに、ガイドレール4,4にはラック18,18を取り付け、車体2側にはこのラック18,18と噛み合うピニオン19,19を軸に嵌着した油圧モータ22,22と、該油圧モータの回転を制御するための制御装置21,21を具えるようにする。
【0016】
こうして、搬送台車1が軌道40の傾斜区間40bを通過すると、走行輪10,10,…を具えた走行台枠7,7およびガイドレール4,4は軌道40の勾配に従い傾斜した姿勢になるが、車体2は自重による復元力でガイドレール4,4上を揺動する。同時に車体2と共に油圧モータ22,22も揺動し、ガイドレール4,4に固着したラック18,18に噛み合うピニオン19,19を介して油圧モータ22,22も回転する。この時、油圧モータ22,22の回転が制御装置21,21で制御され、車体2の水平姿勢が円滑に維持されるものでる。さらに、停留場等で搬送台車1に乗降する場合には安全のために制御装置21,21で油圧モータ22,22の回転を止めればガイドレール4,4に対する相対的な車体2の揺動を止めることも可能にしている。
【0017】
以上、傾斜した軌道を走行する搬送台車で人や物を乗せる車体の水平姿勢を維持するための本発明の搬送台車の水平姿勢維持機構は車体の揺動運動をを回転運動に置換して制御しているので、従来の様な姿勢維持のための走行レールを必要とせず、また直動式のアクチェータも使用しないので、構造が簡単でしかも制御の容易な搬送台車の水平姿勢維持機構を提供することができる。
【図面の簡単な説明】
【図1】本発明の水平姿勢維持機構を具えた搬送台車の側面図である。
【図2】図1に示した搬送台車の平面図である。
【図3】図1に示した搬送台車の正面図である。
【図4】図1の搬送台車に具た水平姿勢維持機構の詳細な構成を示す正面図である。
【図5】図4の水平姿勢維持機構を制御する動作を説明した油圧回路図である
【図6】図1で示した搬送台車が軌道の水平区間を走行の状態を示す側面図である。
【図7】図1で示した搬送台車が軌道の傾斜区間を走行の状態を示す側面図である。
【図8】従来の走行台車の水平姿勢を維持する構造を示す側面図である。
【図9】別の従来の搬送台車の水平姿勢を維持する構造を示す側面図である。
【符号の説明】
1 搬送台車
2 車体
3 ガイドフレーム
4,4 ガイドレール
5,5 ステー
6,6 旋回支持部
7,7 走行台枠
8,8,… 脚部
9,9,… ビーム
10,10,… 走行輪
11,11,… ブラケット
12,12,… 補助輪
13,13,… ブラケット
13a,13a,… アーム
14,14,… 誘導輪
15,15,… 軸受箱
16,16,… 軸
17,17,… ガイドローラ
18,18 ラック
19,19 ピニオン
20,20 プレート
21,21 制御装置
22,22 油圧モータ
22a,22a 軸
23 電磁弁
24 絞り弁
25,25,… チェック弁
26 リリーフ弁
27 圧力計
28,28 止め弁(エア抜き)
29 タンク
40 軌道
40a 水平区間
40b 傾斜区間
41,41 走行レール
42 支持梁
43,43,… ステー
44,44,… ステー
45,45,… 斜材
46,47,48 矢印
60 搬送台車
61,61,… 走行輪
62,62 走行レール
63,63 走行レール
70 搬送台車
71 車体
72 台枠
73,73,… 走行輪
74 ヒンジ
75 アクチェータ
e1,e2 間隔
θ1,θ2 勾配
A,B,C,D,E 回路
a,b,c,d,e,f 接点
[0001]
BACKGROUND OF THE INVENTION
The present invention is a transport carriage for traveling on a track having an inclined section that is laid on the ground and changes in gradient, and the vehicle body on which a person or an object is placed even when the transport carriage travels on an inclined section of the track. The present invention relates to a horizontal posture maintaining mechanism of a transport carriage for making it horizontal.
[0002]
[Prior art]
FIG. 8 shows a structure for maintaining the posture of the conventional transport carriage 60 horizontally. As shown in the figure, when the traveling rail 62 is inclined with a gradient θ1, another traveling rail 63 with a gradient θ1 inclined in the vertical direction is laid in parallel with the traveling rail 62 while maintaining an interval e1 in a side view. Further, the traveling wheels 61 and 61 on one side in the traveling direction provided in the transport carriage 60 roll on the traveling rail 62, and the other traveling wheels 61 and 61 roll on the traveling rail 63. When the travel rail 62 becomes steeper than the above-described gradient θ1, the distance between the travel rail 62 and the travel rail 63 is widened to be the distance e2. In this manner, the traveling rails 61 and 61 on which the front traveling wheels 61 and 61 and the rear traveling wheels 61 and 61 of the traveling carriage 60 roll are separately laid and transported when passing through the inclined section. There is one in which the horizontal posture of the carriage 60 is maintained.
[0003]
FIG. 9 shows another conventional technique. The transport carriage 70 supports a vehicle body 71 on a frame 72 having travel theory 73 and 73 and traveling wheels 73 and 73 in the front and rear directions, with one end side supported by a hinge 74, and the other end side is a retractable linear motion actuator 75. It is the structure which supported by interposing. When the transport carriage 70 travels on the traveling rail 73 inclined by the gradient θ1, the actuator 75 described above is extended by a predetermined amount so that the vehicle body 71 becomes horizontal. Further, as shown in the figure, when the vehicle travels on a traveling rail 75 having a steep slope θ2, the actuator 75 is similarly extended so that the vehicle body 71 is horizontal.
[0004]
[Problems to be solved by the invention]
As described above, in the mechanism for maintaining the level of the transport carriage 60 shown in FIG. 8, it is necessary to lay separate traveling rails 62 and 63 in the inclined sections, and the cost for laying the traveling rails and Labor is required. Subsequently, one end side of the vehicle body 71 is supported by the actuator 75 on the frame 72 having the traveling wheels 73, 73,... Rolling on the traveling rail 76 shown in FIG. In the structure in which the actuator 75 is expanded and contracted to maintain the level of the vehicle body 71, the actuator 75 controls the expansion and contraction in response to the change in the gradient of the traveling rail 76 while supporting the weight of the vehicle body 71 on which a person or an object is mounted. The control method and structure that must be performed are complicated, resulting in high costs and the possibility of failure. The problem of the present invention is that there is no need to separately lay a traveling rail for maintaining the horizontal posture of the transport carriage traveling on the inclined track as described above, and a direct acting actuator for maintaining the posture is not used. Another object of the present invention is to provide a horizontal posture maintaining mechanism for a transport carriage that is simpler in structure and easier to control.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the present invention is a transport carriage that travels on a track having a gradient section laid on the ground surface, and the horizontal posture maintaining mechanism of the transport carriage includes:
A traveling wheel that supports the transport cart and rolls on the track in front of and behind the traveling direction of the transport cart, induction theory that guides the transport cart along the track, and an auxiliary wheel that prevents the transport cart from lifting from the rail Two sets of traveling frame with
A guide rail formed between the two sets of traveling carriage frames, which is curved in a concave shape in the traveling direction of the transport carriage, and is extended in parallel;
A plurality of guide rollers engaging with the two sets of guide rails are formed in a concave shape so as to be concentric with the vehicle body pivotally attached to the bottom and the two sets of guide rails. A fixed rack,
A hydraulic motor fitted on a shaft with a pinion that meshes with each of the racks in preparation for the vehicle body;
A control device for controlling the hydraulic motor,
When the transport cart travels on the gradient section of the track, the vehicle body slides relatively on the guide rail in the traveling direction of the transport cart with a restoring force due to its own weight, and via a pinion meshed with the rack. A hydraulic circuit comprising a solenoid valve and a throttle valve as the control device so as to maintain the horizontal posture of the vehicle body by adjusting the rotation speed of the vehicle body by controlling the rotation of the hydraulic motor with a control device. To configure.
[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 illustrating a state where a transport carriage 1 equipped with a horizontal posture maintaining mechanism of the present invention travels on a horizontal track 40, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a front view. . The transport carriage 1 includes a vehicle body 2, guide rails 4, 4 and travel frames 7, 7 having travel wheels 10, 10,. The vehicle body 2 has a substantially oval shape in a side view and a bottom portion formed in an arc shape. As shown in FIG. 4, a plurality of bearing boxes 15, 15,... And bearing boxes 15, 15,. The bearing housings 15, 15,... And the bearing housings 15, 15,... And the shafts 16, 16,. 17, 17,... Next, the plates 20 and 20 protrude downward in the center of the bottom of the vehicle body 2 as viewed from the side, and the hydraulic motors 22 and 22 including the control devices 21 and 21 are secured and installed horizontally. Pinions 18 and 18 are fitted on the shafts 22a and 22a of the hydraulic motors 22 and 22, respectively.
[0007]
The guide rails 4, 4 are formed by bending a cross section of “U” shaped steel bar into a concave arc shape concentric with the arc of the bottom of the vehicle body 2, and parallel to the traveling direction of the transport carriage 1 in two rows. The guide frames 3 are arranged in a cross-like shape in plan view by connecting the front and rear with stays 5 and 5. Further, as shown in FIGS. 1, 2, and 4, racks 18 and 18 formed to bend inward at the bottoms of the guide rails 4 and 4 are fixed to the bottoms of the guide rails 4 and 4 inwardly. Extend.
[0008]
In the vehicle body 2, the guide rollers 17, 17,... And the guide rollers 17, 17,. At the same time, the pinions 19 and 19 fitted to the shafts 22a and 22a of the hydraulic motors 22 and 22 installed in the center of the vehicle body 2 are engaged with the racks 18 and 18 fixed to the guide rails 4 and 4 side.
[0009]
Next, the configuration of the control device 21 that controls the rotation of the hydraulic motor 22 installed in the vehicle body 2 will be described with reference to the hydraulic circuit diagram of FIG. The control device 21 includes a circuit A in which a check valve 25 and a stop valve 28 (air release) are connected from both ports of the hydraulic motor 22, and a circuit B in which the check valve 25 and the stop valve 28 (air release) are similarly inserted. Are connected by contact f. A circuit C in which an electromagnetic valve 23 and a throttle valve 24 are connected in series is formed between the contact a of the circuit A and the contact b of the circuit B, and a check valve 25 and a check are connected between the contact c and the contact d. A circuit D having a contact point e in the middle with the valve 25 facing away is formed. Further, a relief valve 26 is inserted between the contact f and the contact e of the circuit D, and a circuit E having a hydraulic gauge 27 at one end and a tank 29 at the other end is formed.
[0010]
Swivel support portions 6 and 6 are formed at the lower portions of the stays 5 and 5 in the forward and backward directions connecting two parallel guide rails 4 and 4 that support the vehicle body 2 so as to be swingable in the forward direction of the transport carriage 1. To do. The traveling support frames 7 and 7 are connected to the turning support portions 6 and 6 so as to be turnable horizontally. The traveling frame 7 is formed of a square steel pipe having a substantially portal shape when viewed from the front, and two traveling wheels 10 and 10 and beams 9 and 9 pivotally attached to the traveling wheels 10 and 10 are fixed to both lower ends. Further, as shown on the right side of FIG. 3, a key-like bracket 11 is fixedly extended downward from the beam 9, and an auxiliary wheel 12 is pivotally attached to the lower end so as to be rotatable in the vertical direction. Apart from this, as shown on the left side of FIG. 3, the bracket 13 protrudes inward from the beam 11 and swings up and down in a state where an arm 13a having a guide wheel 14 that rotates horizontally at the tip is biased by a spring or the like. Pivot freely.
[0011]
The track 40 on which the transport carriage 1 travels has two traveling rails 41, 41 using H-shaped steel arranged in parallel, connected by a plurality of stays 43, 43,..., And two support beams 42 using steel pipes. Are connected to a plurality of stays 44, 44,... And diagonal members 45, 45,... So that the weight of the transport carriage 1 can be supported.
[0012]
As shown in FIG. 3, when the transport cart 1 travels on the track 40 having the above-described structure, the traveling wheels 10, 10,. The auxiliary wheels 12, 12,... Fit into the groove on one side of the H steel and roll, and the guide wheels 14, 14,. It is possible to travel without departing from the inclined section and the bent section.
[0013]
FIG. 6 shows a state in which the transport carriage 1 equipped with the horizontal posture maintaining mechanism of the present invention travels in the horizontal section 40a of the track 40, and FIG. 7 shows a state in which the transport cart 1 travels in the inclined section 40b of the track 40. Explained. When traveling on the horizontal section 40 a of the track 40, the vehicle body 2 is curved and is positioned at the center of the wheels 4 and 4. Subsequently, as shown in FIG. 7, when the transport carriage 1 travels on the inclined section 40b of the track 40, the vehicle body 2 is attached in parallel to the vehicle body 2 side by two rows in parallel with the guide rollers 17, 17,. The rollers 17, 17,... Roll on the guide rails 4 and 4 while rolling in a state of being fitted in the grooves of the guide rails 4 and 4 formed using the “U” shaped steel shown in FIG. It swings relatively in the direction of arrow 48. The pinions 19, 19 fitted to the shafts 22 a, 22 a of the hydraulic motors 22, 22 attached to the vehicle body 2 side by the swinging action of the vehicle body 2 are engaged with the racks 18, 18 fixed to the side surfaces of the guide rails 4, 4. The hydraulic motors 22 and 22 are rotated. At this time, as shown in the hydraulic circuit diagram of FIG. 5, the vehicle body 2 is adjusted by adjusting the flow rate of the oil flowing through the hydraulic motors 22, 22 by the throttle valve 24 constituting the control device 21 that controls the rotation of the hydraulic motors 22, 22. Adjusts the speed at which the guide rails 4 and 4 are oscillated, so that the vehicle body 2 is maintained in a smooth horizontal posture. Therefore, it is possible to easily cope with various gradients of the track 40 only by adjusting the throttle valve 24 of the control device 21.
[0014]
Although not shown, a trolley is laid along the track 40, a current collector is attached to the transport carriage 1, and the electromagnetic valve 23 is operated so as to supply power to the controller 21. If the oil flow is cut off and the rotation is stopped, the movement of the vehicle body 2 swinging the guide rails 4 and 4 through the pinions 19 and 19 engaged with the racks 18 and 18 of the guide rails 4 and 4 is forcibly stopped. be able to. For example, when passengers get on and off the transport carriage 1 at the stop, the passenger can safely get on and off by operating the electromagnetic valve 23 to stop the swinging of the vehicle body 2 and maintaining the horizontal posture as described above. Like that. In addition, a conveyance trolley is applicable to the self-propelled conveyance trolley equipped with the drive device in itself, and the conveyance trolley of the type pulled by the rope which moves along a track | orbit.
[0015]
【The invention's effect】
As described above, in the present invention, the guide rails 4 and 4 that are curved in the traveling direction of the transport carriage 1 are supported by the traveling frames 7 and 7 having the traveling wheels 10 that travel on the track 40. Installed with the parts 6 and 6 interposed. On the other hand, the vehicle body 2 is provided with a plurality of guide rollers 17, 17,... That are engaged with the guide rails 4, 4 to roll, and the vehicle body 2 can be swung in the traveling direction of the transport carriage 1 by the guide rails 4, 4. To support. Furthermore, racks 18 and 18 are attached to the guide rails 4 and 4, and hydraulic motors 22 and 22 are fitted on the vehicle body 2 side with pinions 19 and 19 meshing with the racks 18 and 18, and the rotation of the hydraulic motors. Are provided with control devices 21 and 21 for controlling.
[0016]
Thus, when the transport carriage 1 passes through the inclined section 40 b of the track 40, the traveling carriage frames 7, 7 and the guide rails 4, 4 including the traveling wheels 10, 10,. The vehicle body 2 swings on the guide rails 4 and 4 by a restoring force due to its own weight. At the same time, the hydraulic motors 22, 22 swing together with the vehicle body 2, and the hydraulic motors 22, 22 also rotate through pinions 19, 19 that mesh with the racks 18, 18 fixed to the guide rails 4, 4. At this time, the rotation of the hydraulic motors 22 and 22 is controlled by the control devices 21 and 21, so that the horizontal posture of the vehicle body 2 is maintained smoothly. Further, when getting on and off the transport carriage 1 at a stop or the like, if the rotation of the hydraulic motors 22 and 22 is stopped by the control devices 21 and 21 for safety, the vehicle body 2 is swung relative to the guide rails 4 and 4. It can also be stopped.
[0017]
As described above, the horizontal position maintaining mechanism of the transport carriage according to the present invention for maintaining the horizontal position of the vehicle body on which a person or an object is placed on the transport truck traveling on the inclined track is controlled by replacing the swing motion of the vehicle body with the rotational motion. Therefore, it does not require a running rail to maintain the posture as in the past, and it does not use a direct-acting actuator, providing a horizontal posture maintenance mechanism for a transport cart that is simple in structure and easy to control. can do.
[Brief description of the drawings]
FIG. 1 is a side view of a transport carriage provided with a horizontal posture maintaining mechanism of the present invention.
FIG. 2 is a plan view of the transport carriage shown in FIG.
FIG. 3 is a front view of the transport carriage shown in FIG.
4 is a front view showing a detailed configuration of a horizontal posture maintaining mechanism provided in the transport carriage of FIG. 1. FIG.
5 is a hydraulic circuit diagram illustrating an operation for controlling the horizontal posture maintaining mechanism of FIG. 4. FIG. 6 is a side view showing a state in which the transport carriage shown in FIG. 1 travels on a horizontal section of a track.
7 is a side view showing a state where the transport carriage shown in FIG. 1 travels on an inclined section of a track. FIG.
FIG. 8 is a side view showing a structure for maintaining a horizontal posture of a conventional traveling carriage.
FIG. 9 is a side view showing a structure for maintaining the horizontal posture of another conventional transport carriage.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Carriage 2 Car body 3 Guide frame 4, 4 Guide rail 5, 5 Stay 6, 6 Turning support part 7, 7 Traveling base frame 8, 8, ... Leg part 9, 9, ... Beam 10, 10, ... Running wheel 11 , 11, ... Brackets 12, 12, ... Auxiliary wheels 13, 13, ... Brackets 13a, 13a, ... Arms 14, 14, ... Guide wheels 15, 15, ... Bearing boxes 16, 16, ... Shafts 17, 17, ... Guides Rollers 18 and 18 Racks 19 and 19 Pinions 20 and 20 Plates 21 and 21 Controllers 22 and 22 Hydraulic motors 22a and 22a Shafts 23 Electromagnetic valves 24 Throttle valves 25 and 25, ... Check valves 26 Relief valves 27 Pressure gauges 28 and 28 Stops Valve (Air bleeding)
29 Tank 40 Track 40a Horizontal section 40b Inclined section 41, 41 Traveling rail 42 Support beam 43, 43, ... Stay 44, 44, ... Stay 45, 45, ... Diagonal material 46, 47, 48 Arrow 60 Transport carriage 61, 61, ... Traveling wheels 62, 62 Traveling rails 63, 63 Traveling rails 70 Carriage carriage 71 Car body 72 Base frame 73, 73, ... Traveling wheels 74 Hinge 75 Actuators e1, e2 Gradient A1, B, C, D, E Circuit a, b, c, d, e, f contact

Claims (1)

地上面に敷設された勾配区間を有する軌道上を走行する搬送台車であって、該搬送台車の水平姿勢維持機構は、
搬送台車の進行方向前後に配備した、搬送台車を支持して軌道上を転動する走行輪と、搬送台車を軌道に沿って誘導する誘導論と、搬送台車の軌条からの浮き上がりを防ぐ補助輪とを有した2組の走行台枠と、
該2組の走行台枠の間に搬送台車の進行方向に凹型に湾曲して形成し、平行にして渡架したガイドレールと、
該2組のガイドレールと係合する複数のガイドローラを底部に枢着した車体と前記2組のガイドレールと同芯円となるように凹型に湾曲して形成し、前記各々のガイドレールに固着したラックと、
前記車体に備えて前記各々のラックと噛み合うピニオンを軸に嵌着した油圧モータと、
該油圧モータを制御する制御装置とよりなり、
前記搬送台車が前記軌道の勾配区間を走行する時、前記車体が自重による復元力でガイドレール上を相対的に搬送台車の進行方向に摺動すると共に、前記ラックに噛み合ったピニオンを介しての油圧モータの回転を制御装置で制御することによって前記車体の揺動の速度を調節して、前記車体の水平姿勢を維持するようにし、前記制御装置として電磁弁と絞り弁とを備えた油圧回路を構成したことを特徴とする搬送台車の水平姿勢維持機構。
A transport carriage that travels on a track having a gradient section laid on the ground surface, and the horizontal posture maintaining mechanism of the transport carriage is:
A traveling wheel that supports the transport cart and rolls on the track in front of and behind the traveling direction of the transport cart, induction theory that guides the transport cart along the track, and an auxiliary wheel that prevents the transport cart from lifting from the rail Two sets of traveling frame with
A guide rail formed between the two sets of traveling carriage frames, which is curved in a concave shape in the traveling direction of the transport carriage, and is extended in parallel;
A plurality of guide rollers engaging with the two sets of guide rails are formed in a concave shape so as to be concentric with the vehicle body pivotally attached to the bottom and the two sets of guide rails. A fixed rack,
A hydraulic motor fitted on a shaft with a pinion that meshes with each of the racks in preparation for the vehicle body;
A control device for controlling the hydraulic motor,
When the transport cart travels on the gradient section of the track, the vehicle body slides relatively on the guide rail in the traveling direction of the transport cart with a restoring force due to its own weight, and via a pinion meshed with the rack. A hydraulic circuit comprising a solenoid valve and a throttle valve as the control device so as to maintain the horizontal posture of the vehicle body by adjusting the rotation speed of the vehicle body by controlling the rotation of the hydraulic motor with a control device. A horizontal posture maintaining mechanism for a transport carriage, characterized by comprising:
JP11268799A 1999-03-17 1999-03-17 Horizontal posture maintenance mechanism of transport cart Expired - Fee Related JP4184533B2 (en)

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Application Number Priority Date Filing Date Title
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KR100987985B1 (en) * 2008-09-08 2010-10-18 (주)로드닉스 Wire-Car In Tube
KR101220119B1 (en) 2012-08-24 2013-01-11 옥인호 Wheel block apparatus for conveying transformer
CN107600101A (en) * 2017-09-27 2018-01-19 重庆市瀚德高科机器人有限公司 A kind of miniature hanger rail type various dimensions steering mechanism

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