JPH092275A - Motor-driven dolly with lifting function - Google Patents
Motor-driven dolly with lifting functionInfo
- Publication number
- JPH092275A JPH092275A JP15738595A JP15738595A JPH092275A JP H092275 A JPH092275 A JP H092275A JP 15738595 A JP15738595 A JP 15738595A JP 15738595 A JP15738595 A JP 15738595A JP H092275 A JPH092275 A JP H092275A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- motor
- power
- arms
- elevating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Handcart (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は微小の力で大きい荷物や
重量のある荷物を容易に昇降させる機能を備えた電動運
搬車に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric transport vehicle having a function of easily raising and lowering a large load or a heavy load with a small force.
【0002】[0002]
【従来の技術】推進機能と荷台に昇降機能を備えた電動
運搬車は、実開昭57−159861号公報が知られている。2. Description of the Related Art Japanese Utility Model Laid-Open No. 57-159861 discloses an electric carrier having a propulsion function and a lifting / lowering function for a loading platform.
【0003】従来技術によれば荷台を昇降させるために
油圧ポンプを駆動し高圧のホースを介して荷台の昇降に
用いる油圧ジャッキに圧力を加え荷台の昇降を行うこと
が開示されている。According to the prior art, it is disclosed that a hydraulic pump is driven to raise and lower the loading platform and pressure is applied to a hydraulic jack used for lifting the loading platform through a high-pressure hose to raise and lower the loading platform.
【0004】[0004]
【発明が解決しようとする課題】従来技術は、ポンプを
駆動して油圧でジャッキの動力としているためポンプと
ジャッキを接続しているホースの劣化による損傷やポン
プ及びジャッキとの接続部の脱落等によりジャッキ内に
圧力がかからなくなり荷台の昇降ができなくなる。ま
た、昇降操作や荷物の積降しなどの作業を行っている際
に何らかの理由で油圧が抜けた場合、急激に荷台が下が
る可能性がある。In the prior art, since the pump is driven to hydraulically power the jack, the hose connecting the pump and the jack is damaged due to deterioration and the connecting portion between the pump and the jack is dropped. As a result, pressure will not be applied inside the jack, and it will not be possible to lift or lower the platform. Further, if the hydraulic pressure is released for some reason while performing operations such as lifting and lowering operations and loading and unloading of luggage, the cargo bed may suddenly lower.
【0005】本発明の目的は、荷台の中央付近に中心を
対称に螺旋状に溝を施したシャフトを配設し、外部の動
力で回転させ運搬車荷台の昇降を行うことで昇降用の動
力部が損傷した場合でも荷台が下降することなく作業時
の安全性が向上するリフト機能付き電動運搬車を提供す
ることにある。An object of the present invention is to provide a shaft for raising and lowering by arranging a shaft having a spiral groove symmetrically about the center of the carrier near the center of the carrier and rotating the carrier by external power to elevate the carrier carrier. An object of the present invention is to provide an electric transport vehicle with a lift function, in which the loading platform does not descend even if a part is damaged, and safety during work is improved.
【0006】[0006]
【課題を解決するための手段】本発明によるリフト機能
付き電動運搬車は、各々アームの一端を回動自在に支持
する一対のスライダと、前記スライダを螺合し、中心か
ら左右対称に螺旋状溝を施したシャフトを有し、前記シ
ャフトを回転させて荷台部分を上下動させることで達成
される。An electric transport vehicle with a lift function according to the present invention has a pair of sliders each rotatably supporting one end of an arm, and the sliders screwed together to form a spiral shape symmetrical with respect to the center. This is achieved by having a shaft with a groove and rotating the shaft to move the platform portion up and down.
【0007】[0007]
【作用】本発明によるリフト機能付き電動運搬車は、荷
台の中央付近に中心を左右対称に螺旋状に溝を施したシ
ャフトを配設し外部の動力で回転させ、シャフトに螺合
される一対のスライダがシャフトに対しスラスト方向に
往復運動する。スラスト方向の運動はスライダを介し荷
台の四隅に回動自在に取り付けられるアームでラジアル
方向の動力へと返還され、荷台を昇降させる。In the electric transport vehicle with lift function according to the present invention, a pair of shafts having spiral grooves grooved symmetrically with respect to the center in the vicinity of the center of the loading platform are rotated by external power and screwed to the shafts. The slider reciprocates in the thrust direction with respect to the shaft. The movement in the thrust direction is returned to the power in the radial direction by the arms rotatably attached to the four corners of the bed via the slider, and the bed is moved up and down.
【0008】[0008]
【実施例】図1は本発明による重量のある荷物や大きい
荷物を運搬あるいは昇降するための電動運搬車の機器構
成を示したものである。図1,図2,図3において、1
は荷物を運搬するための運搬車、2は運搬車と接続され
荷物を載せるための荷台、3は運搬車を駆動し推進させ
るための動力源であるモータ、4はモータ3の回転を減
速し運搬車の推進の必要な回転力を得るための減速倍力
装置、5は減速倍力装置4から得られた回転力を路面に
伝達し運搬車を推進させるための駆動車輪、6は運搬車
を支えるための固定車輪、7は運搬車を支えるためと運
搬車の方向を変えるための自由車輪、8は運搬車と荷台
を連結し荷台2の昇降動作を行うためのアーム、9は荷
台2を昇降させるためにアーム8に接続され中心を対称
に螺旋状に溝を施した昇降用シャフト、10は昇降用シ
ャフト9を回転させるための動力である昇降用モータ、
11はアーム8と昇降用シャフト9を接続するためのス
ライダ、12は昇降用モータ10と昇降用モータ10が
上下にスライド可能になるように接続されたスライドシ
ャフト、13は運搬車1を支えるためと方向を変えるた
めの取っ手、14は駆動用モータ3と昇降用モータ10
の動力源であるバッテリ、15はコントローラを介し駆
動用モータ3と昇降用モータ10の回転を調節するため
の速度調節ボリューム、16は走行及び昇降の動作を切
り換えるための切り換えスイッチ、17は駆動用モ−タ
3に通電され走行可能な状態になっていることを示す走
行ランプ、18は昇降用モータ10に通電され昇降可能
な状態になっていることを示す昇降ランプから構成され
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the equipment configuration of an electric carrier for carrying or lifting a heavy load or a large load according to the present invention. 1, 2 and 3, 1
Is a carrier for carrying luggage, 2 is a carrier for being connected to the carrier and for carrying luggage, 3 is a motor which is a power source for driving and propelling the carrier, and 4 is a motor for decelerating the rotation of the motor 3. A deceleration booster for obtaining the rotational force required for propelling the transport vehicle, 5 is a drive wheel for transmitting the rotational force obtained from the deceleration booster 4 to the road surface to propel the transport vehicle, and 6 is a transport vehicle A fixed wheel for supporting the carrier, 7 a free wheel for supporting the carrier and changing the direction of the carrier, 8 an arm for connecting the carrier and the carrier to perform the lifting operation of the carrier 2, and 9 a carrier 2 An elevating shaft which is connected to an arm 8 and is spirally grooved symmetrically about the center in order to elevate and lower the elevating shaft, 10 is an elevating motor which is a power for rotating the elevating shaft 9,
Reference numeral 11 is a slider for connecting the arm 8 and the lifting shaft 9, 12 is a lifting motor 10 and a slide shaft connected so that the lifting motor 10 can slide up and down, and 13 is for supporting the carrier 1. And a handle for changing the direction, 14 is a driving motor 3 and a lifting motor 10
Is a power source of the battery, 15 is a speed adjusting volume for adjusting the rotations of the driving motor 3 and the lifting motor 10 via the controller, 16 is a changeover switch for switching between traveling and lifting operations, and 17 is for driving The motor 3 is energized to indicate that the motor 3 is in a traveling state, and 18 is an elevating lamp that is energized by the elevating motor 10 to indicate that the vehicle is in an elevating state.
【0009】本発明によるリフト機能付き電動運搬車の
動作を図を用いて説明すると、切り換えスイッチ16が
走行側を示している場合、図5の実線で示したように走
行用モータ2側が閉回路となり通電され回転する。この
場合、駆動用モータ2により得られた推進力は、減速倍
力装置4で駆動に必要な推進力に増幅され駆動車輪5に
伝達される。そして駆動車輪5と路面の間に生じる摩擦
力により駆動車輪5は空転することなく運搬車を推進さ
せる。また運搬車を停止させる場合、速度調節ボリュー
ム15を反時計回りにいっぱいに回すことで電源である
バッテリ14からの電気の流れを断ち駆動用モータ2の
回転を止め停止させる。The operation of the electric transport vehicle with lift function according to the present invention will be described with reference to the drawings. When the changeover switch 16 indicates the traveling side, the traveling motor 2 side is a closed circuit as shown by the solid line in FIG. Next, it is energized and rotates. In this case, the propulsive force obtained by the drive motor 2 is amplified by the deceleration booster 4 into the propulsive force required for driving and transmitted to the drive wheels 5. Then, due to the frictional force generated between the drive wheel 5 and the road surface, the drive wheel 5 does not idle and propels the transport vehicle. When the transport vehicle is stopped, the speed adjusting volume 15 is fully turned counterclockwise to cut off the flow of electricity from the battery 14, which is the power source, and stop the rotation of the drive motor 2.
【0010】一方、切り換えスイッチ16が昇降側を示
している場合、図5の破線で示したように昇降用モータ
10側が閉回路となり通電され回転する。この場合、昇
降用モータ10から得られた動力は、昇降用モータ10
の先端に接続された昇降用シャフト9に伝達され昇降用
シャフト8は回転運動をする。昇降用シャフト8はシャ
フト中央を対称に螺旋状に溝が施してあり、またアーム
8と昇降用シャフト9を接続するためのスライダ11も
図6に示すように昇降用シャフト9と同一方向となるよ
うに溝を施す。この昇降用シャフト9とスライダ11
は、ねじの原理と同様に昇降用シャフト9が回転すると
スライダ11は昇降用シャフト9に対し図1の矢印で示
したように左右対称に動きスラスト方向の動力となる。
このスラスト方向の動力はアーム8cに伝達されアーム
8aとアーム8bによりスライダ11のスラスト方向の
動力が昇降用シャフト8に対し直角のラジアル方向の動
力へ変換される。アーム8aとアーム8bは8d部のよ
うに可動可能になるようにピンで接続されている。ラジ
アル方向に変換された動力は荷台2を昇降をする動力と
して使われる。しかし荷台2が昇降すると動力源である
昇降用モータ10は必然的に上下の動作を行うため昇降
用モータ10を上下方向に移動可能になるよう、図7に
示すように、スライド用シャフト12に接続する。また
荷台2を最低高で使用すると運搬車1及び荷台2と干渉
してしまうため図2の破線で示すように運搬車1及び荷
台2に昇降用モータ11の逃げの部分を設けることで荷
台2の最低位置で使用した場合でも昇降用モータ10と
は干渉せずに収納できる。この場合、昇降を行う動力と
してモータを用いて説明したがモータの代わりにハンド
ルを手で回す手動式や圧縮空気により駆動する方式等使
用目的や使用場所に応じて変えることができる。On the other hand, when the change-over switch 16 indicates the raising / lowering side, the raising / lowering motor 10 side becomes a closed circuit as shown by the broken line in FIG. In this case, the power obtained from the lifting motor 10 is the lifting motor 10
It is transmitted to the lifting shaft 9 connected to the tip of the lifting shaft 9, and the lifting shaft 8 rotates. The elevating shaft 8 is provided with a spiral groove in the center of the shaft symmetrically, and the slider 11 for connecting the arm 8 and the elevating shaft 9 is also in the same direction as the elevating shaft 9 as shown in FIG. To make a groove. The lifting shaft 9 and the slider 11
In the same manner as the screw principle, when the lifting shaft 9 rotates, the slider 11 moves symmetrically with respect to the lifting shaft 9 as shown by the arrow in FIG.
The power in the thrust direction is transmitted to the arm 8c, and the power in the thrust direction of the slider 11 is converted into the power in the radial direction perpendicular to the lifting shaft 8 by the arms 8a and 8b. The arm 8a and the arm 8b are connected by a pin so as to be movable like the portion 8d. The power converted in the radial direction is used as the power for moving the loading platform 2 up and down. However, when the loading platform 2 moves up and down, the lifting motor 10 that is a power source inevitably moves up and down. Therefore, as shown in FIG. Connecting. Further, when the loading platform 2 is used at the lowest height, it interferes with the transportation vehicle 1 and the loading platform 2, so that the loading vehicle 2 and the loading platform 2 are provided with an escape portion for the lifting motor 11 as shown by the broken line in FIG. Even when it is used at the lowest position, it can be stored without interfering with the lifting motor 10. In this case, the motor has been described as the power for raising and lowering, but it can be changed according to the purpose of use and the place of use, such as a manual type in which the handle is turned by hand instead of the motor or a system driven by compressed air.
【0011】この昇降用シャフト9を用いると複雑な油
圧ジャッキ及び油圧ポンプが不要となりメンテナンス性
が飛躍的に向上し、また装置重量が低減できることから
稼働時間が延長できる。そして昇降用シャフト9に施し
てある螺旋状の溝の間隔を小さくすることで小型の昇降
用モータで稼働可能となる。また同一モータを使用した
場合、より重量のある荷物を昇降可能とすることができ
る。逆に螺旋状の溝の間隔を大きくすると昇降時の速度
を速くすることができ作業時間の短縮ができる。When this elevating shaft 9 is used, complicated hydraulic jacks and hydraulic pumps are not required, the maintainability is dramatically improved, and the weight of the apparatus can be reduced, so that the operating time can be extended. Then, by reducing the interval between the spiral grooves formed on the lifting shaft 9, it becomes possible to operate with a small lifting motor. When the same motor is used, heavier loads can be lifted and lowered. On the contrary, if the interval between the spiral grooves is increased, the speed at the time of ascending and descending can be increased and the working time can be shortened.
【0012】[0012]
【発明の効果】本発明によるリフト機能付き電動運搬車
によれば、昇降用の動力が損傷しても荷台が下降するこ
とがなく作業時の安全性が向上する。According to the electric transport vehicle with a lift function according to the present invention, even when the power for raising and lowering is damaged, the loading platform does not descend and the safety during work is improved.
【図1】本発明によるリフト機能付き電動運搬車の側面
図。FIG. 1 is a side view of an electric carrier with a lift function according to the present invention.
【図2】リフト機能付き電動運搬車の正面図。FIG. 2 is a front view of an electric carrier with a lift function.
【図3】リフト機能付き電動運搬車の下部の正面図。FIG. 3 is a front view of a lower portion of the electric transport vehicle with a lift function.
【図4】コントロール操作部の正面図。FIG. 4 is a front view of a control operation unit.
【図5】モータを切り換えるための電気回路図。FIG. 5 is an electric circuit diagram for switching motors.
【図6】スライダの断面図。FIG. 6 is a sectional view of a slider.
【図7】モータとスライド用シャフトの斜視図。FIG. 7 is a perspective view of a motor and a slide shaft.
8…アーム、9…昇降用シャフト、10…昇降用モー
タ、11…スライダ、12…スライド用シャフト。8 ... Arm, 9 ... Elevating shaft, 10 ... Elevating motor, 11 ... Slider, 12 ... Sliding shaft.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 伊藤 敏勝 茨城県ひたちなか市東石川西古内3085番地 の5 日立カーエレクトロニクス株式会社 内 (72)発明者 二宮 孝行 茨城県ひたちなか市東石川西古内3085番地 の5 日立カーエレクトロニクス株式会社 内 (72)発明者 氏家 拓司 茨城県ひたちなか市東石川西古内3085番地 の5 日立カーエレクトロニクス株式会社 内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshikatsu Itoh 5 3085, Higashiishikawa Nishikouchi, Hitachinaka City, Ibaraki Prefecture Hitachi Car Electronics Co., Ltd. Car Electronics Co., Ltd. (72) Inventor Takuji Ujiie 5305, 3085 Higashiishikawa Nishikonai, Hitachinaka City, Ibaraki Hitachi Car Electronics Co., Ltd.
Claims (2)
と、前記台車を駆動し推進させるためのモータと、前記
モータの推進力を増幅させるための減速倍力装置と、前
記モータの電力源であるバッテリと、前記モータの推進
力を制御するためのコントローラと、一端を台車に回動
自在に支持する一対の第一のアームと、一端を荷台に回
動自在に支持する一対の第二のアームとから構成される
電動運搬車において、 前記アームの各々の他端を回動自在に支持する一対のス
ライダと、前記スライダを螺合し、中心から左右対称に
螺旋状溝を施したシャフトを有し、前記シャフトを回転
させて荷台部分を上下動させることを特徴とするリフト
機能付き電動運搬車。1. A trolley for loading, transporting and lifting loads, a motor for driving and propelling the trolley, a deceleration booster for amplifying the propulsive force of the motor, and a power source for the motor. A certain battery, a controller for controlling the propulsive force of the motor, a pair of first arms having one end rotatably supported by the carriage, and a pair of second arms having one end rotatably supported by the carrier. In an electric transport vehicle including an arm, a pair of sliders that rotatably support the other end of each of the arms and a shaft that is screwed with the slider and has a spiral groove formed symmetrically from the center. An electric transport vehicle with a lift function, characterized in that the shaft is rotated to vertically move a bed portion.
ムを前記荷台と前記台車の四隅に取り付けるリフト機能
付き電動運搬車。2. The electric transport vehicle with a lift function according to claim 1, wherein the two pairs of arms are attached to the four corners of the luggage carrier and the carriage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15738595A JPH092275A (en) | 1995-06-23 | 1995-06-23 | Motor-driven dolly with lifting function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15738595A JPH092275A (en) | 1995-06-23 | 1995-06-23 | Motor-driven dolly with lifting function |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH092275A true JPH092275A (en) | 1997-01-07 |
Family
ID=15648494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15738595A Pending JPH092275A (en) | 1995-06-23 | 1995-06-23 | Motor-driven dolly with lifting function |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH092275A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007134791A1 (en) * | 2006-05-18 | 2007-11-29 | Nokia Corporation | Bi-stable slider mechanism, associated devices and methods |
JP2010506785A (en) * | 2006-10-19 | 2010-03-04 | ゴットヴァルト ポート テクノロジー ゲーエムベーハー | Vehicles for transporting containers in particular |
JP2015134539A (en) * | 2014-01-17 | 2015-07-27 | トヨタ車体株式会社 | Lift bogie |
KR101966034B1 (en) * | 2017-10-17 | 2019-04-04 | 조민규 | Cargo lift for truck |
CN110834660A (en) * | 2019-11-21 | 2020-02-25 | 佛山鑫达智汇科技有限公司 | Battery installation handling device of new energy automobile |
CN112141187A (en) * | 2020-10-12 | 2020-12-29 | 河南工业贸易职业学院 | Environment-friendly bulk food conveying device based on electronic commerce and using method thereof |
-
1995
- 1995-06-23 JP JP15738595A patent/JPH092275A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007134791A1 (en) * | 2006-05-18 | 2007-11-29 | Nokia Corporation | Bi-stable slider mechanism, associated devices and methods |
JP2010506785A (en) * | 2006-10-19 | 2010-03-04 | ゴットヴァルト ポート テクノロジー ゲーエムベーハー | Vehicles for transporting containers in particular |
JP2015134539A (en) * | 2014-01-17 | 2015-07-27 | トヨタ車体株式会社 | Lift bogie |
KR101966034B1 (en) * | 2017-10-17 | 2019-04-04 | 조민규 | Cargo lift for truck |
CN110834660A (en) * | 2019-11-21 | 2020-02-25 | 佛山鑫达智汇科技有限公司 | Battery installation handling device of new energy automobile |
CN112141187A (en) * | 2020-10-12 | 2020-12-29 | 河南工业贸易职业学院 | Environment-friendly bulk food conveying device based on electronic commerce and using method thereof |
CN112141187B (en) * | 2020-10-12 | 2021-06-22 | 河南工业贸易职业学院 | Environment-friendly bulk food conveying device based on electronic commerce and using method thereof |
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