JP3391476B2 - Power lift truck - Google Patents
Power lift truckInfo
- Publication number
- JP3391476B2 JP3391476B2 JP21867092A JP21867092A JP3391476B2 JP 3391476 B2 JP3391476 B2 JP 3391476B2 JP 21867092 A JP21867092 A JP 21867092A JP 21867092 A JP21867092 A JP 21867092A JP 3391476 B2 JP3391476 B2 JP 3391476B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- loading platform
- compressed gas
- air cylinder
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
- F17C13/085—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use on wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/037—Orientation with sloping main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0157—Details of mounting arrangements for transport
- F17C2205/0161—Details of mounting arrangements for transport with wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0157—Details of mounting arrangements for transport
- F17C2205/0165—Details of mounting arrangements for transport with handgrip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Handcart (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、手押運搬車におい
て、荷台の昇降を動力で行う動力リフト式手押運搬車に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power lift type hand truck for raising and lowering a loading platform by power in a hand truck.
【０００２】[0002]
【従来の技術】この種の動力リフト式手押運搬車の基本
構造は、例えば図８で示すように構成されている。それ
は荷台１０１と、荷台１０１の昇降ガイド１０５と、荷
台１０１を昇降する昇降駆動手段１１０と、上記昇降ガ
イド１０５及び昇降駆動手段１１０を搭載した手押車台
１２０とを備えている。なお、図８中の符号１２１は手
押車台１２０を構成する基台、１２２・１２３は車輪、
１２４は手押運搬用の取っ手である。2. Description of the Related Art The basic structure of a power lift type hand truck of this type is constructed, for example, as shown in FIG. It comprises a loading platform 101, a lifting guide 105 for the loading platform 101, a lifting drive means 110 for lifting the loading platform 101, and a hand truck platform 120 on which the lifting guide 105 and the lifting drive means 110 are mounted. In addition, reference numeral 121 in FIG. 8 is a base that constitutes the hand cart 120, 122 and 123 are wheels,
Reference numeral 124 is a handle for carrying by hand.
【０００３】そして荷台１０１を昇降する昇降駆動手段
１１０は、従来では上記荷台１０１を昇降する油圧シリ
ンダ１１１と、油圧シリンダ１１１に圧油を供給する圧
油供給装置１１４と、圧油供給装置１１４を作動させる
電動モータ１１５と、電動モータ１１５を駆動するバッ
テリ１１６と、電動モータ１１５を駆動制御する制御器
１１８とから成る。なお、上記油圧シリンダ１１１の出
力ロッドの１１２の先端部には、滑車１２５が設けら
れ、この滑車１２５にワイヤ１２６を巻掛けてその一端
は荷台１０１に、その他端は昇降ガイド１０５のワイヤ
固定具１０６に固定されている。The lift drive means 110 for raising and lowering the platform 101 conventionally includes a hydraulic cylinder 111 for raising and lowering the platform 101, a pressure oil supply device 114 for supplying pressure oil to the hydraulic cylinder 111, and a pressure oil supply device 114. It includes an electric motor 115 to be operated, a battery 116 to drive the electric motor 115, and a controller 118 to drive and control the electric motor 115. A pulley 125 is provided at the tip of the output rod 112 of the hydraulic cylinder 111, and a wire 126 is wound around the pulley 125, one end of which is the loading platform 101, and the other end of which is a wire fixture of the elevating guide 105. It is fixed at 106.
【０００４】[0004]
【発明が解決しようとする課題】上記従来技術では、以
下のような難点がある。
イ．この従来例では、昇降駆動手段１１０として油圧シ
リンダ１１１の他に、圧油供給装置１１４、電動 モー
タ１１５、バッテリ１１６を搭載しているので構造が複
雑で重く、メンテナンスに手間取り、製造コストが高く
つく。
ロ．作動中に振動等によりバッテリ液や作動油の漏れが
生じ、汚染が生じ易い。
ハ．この種の手押運搬車は、積荷とともにトラックに積
み込み、現地において動力リフト式手押運搬車として使
用されることがあるが、この従来例では、上記のように
重くてトラックへの積み下ろしが容易でない。
ニ．横積みにするとバッテリ液が漏れ出たり、そのまま
の縦向姿勢でこの動力リフト式手押運搬車を積み込むと
きは、背丈が高くなるため、トラック輸送中に転倒する
おそれがあり危険である。
ホ．作動油が非圧縮性であることから、荷台が昇降する
際に障害物に接当すると、衝撃が緩和されず荷台又は接
当物等が破損する。The above-mentioned prior art has the following problems. I. In this conventional example, in addition to the hydraulic cylinder 111 as the lifting drive means 110, the pressure oil supply device 114, the electric motor 115, and the battery 116 are mounted, so that the structure is complicated and heavy, the maintenance is time-consuming, and the manufacturing cost is high. . B. During operation, vibration or the like causes leakage of battery fluid or hydraulic oil, which easily causes contamination. C. This type of hand truck may be loaded onto a truck together with a load and used locally as a power lift type hand truck.In this conventional example, however, it is heavy and easy to load and unload on a truck. Not. D. If they are stacked horizontally, the battery fluid will leak out, or if this power lift type hand cart is loaded in the vertical position as it is, the height will be high and there is a danger that it may fall down during truck transportation, which is dangerous. E. Since the hydraulic oil is incompressible, if the load is brought into contact with an obstacle when the load is moved up and down, the impact is not relieved and the load or the contact is damaged.
【０００５】そこで上記不都合を解消するため、先に図
７で示すような動力リフト式手押運搬車を考案した（以
下先考案例という）。この先考案例は、従来の基本構造
を備える動力リフト式手押運搬車において、昇降駆動手
段１０が、荷台１の昇降ガイド５を兼用するとともに、
荷台１を昇降する左右一対のエアシリンダ１１と、小型
のエアコンプレッサー３０と、エアコンプレッサー３０
を駆動する小型エンジン３１と、エアコンプレッサー３
０で圧縮したエアを蓄える補助タンク３２と、補助タン
ク３２からエアシリンダ１１へ供給する圧縮エアを供給
制御する気体制御器（図示せず）とから成る。Therefore, in order to solve the above-mentioned inconvenience, a power lift type hand truck as shown in FIG. 7 was previously devised (hereinafter referred to as a prior invention example). In this prior invention example, in the power lift type hand truck having the conventional basic structure, the lifting drive means 10 also serves as the lifting guide 5 of the loading platform 1, and
A pair of left and right air cylinders 11 for raising and lowering the platform 1, a small air compressor 30, and an air compressor 30.
Small engine 31 that drives the car, and air compressor 3
The auxiliary tank 32 stores the air compressed at 0, and a gas controller (not shown) that controls the supply of the compressed air supplied from the auxiliary tank 32 to the air cylinder 11.
【０００６】なお、図７中の符号２０は手押車台２０で
あり、この手押車台２０は、基台２１と、基台２１を支
える車輪２２と、基台２１にその一端が固設された手押
運搬用取手２４を兼用する機枠とから成る。また、上記
荷台１は、各エアシリンダ１１のシリンダ外筒１３の基
端部（図上では下端部）に、各連結金具４・連結ピン３
及び各荷台支持杆２を介して組付けられている。Reference numeral 20 in FIG. 7 denotes a hand cart 20. The hand cart 20 has a base 21, wheels 22 for supporting the base 21, and one end fixed to the base 21. And a machine frame that also serves as the hand-pushing and carrying handle 24. In addition, the cargo bed 1 has the connecting fittings 4 and the connecting pins 3 at the base end portion (the lower end portion in the drawing) of the cylinder outer cylinder 13 of each air cylinder 11.
And each loading platform support rod 2 is attached.
【０００７】この先考案例は、前記ロ．ハ．ホの不都合
をある程度解消するものであるが、なお以下のような難
点がある。
ヘ．荷台１を昇降する昇降駆動手段１０としてエアシリ
ンダ１１の他に、小型のエアコンプレッサー３０、小型
エンジン３１、補助タンク３２を必要とするため、構造
が複雑でメンテナンスに手間取り、製造コストも高くつ
く。
ト．動力リフト式手押運搬車をトラックに載せて移動す
るときなど、横積みするとエンジン３１の燃料やオイル
等が漏れ出るので横積みにできない。また、そのままの
縦向姿勢でこの動力リフト式手押運搬車を積み込むとき
は、背丈が高くなるため、トラック輸送中に転倒するお
それがある。本発明はこのような事情を考慮してなされ
たもので、上記イ〜ヘの難点を解消することを技術課題
とする。This prior invention example is based on the above-mentioned b. C. Although it eliminates the inconvenience of e to some extent, it still has the following drawbacks. F. In addition to the air cylinder 11, a small air compressor 30, a small engine 31, and an auxiliary tank 32 are required as the elevating and lowering driving means 10 for elevating and lowering the loading platform 1. Therefore, the structure is complicated, the maintenance is time-consuming, and the manufacturing cost is high. G. When a power lift type hand truck is placed on a truck and moved horizontally, the fuel and oil of the engine 31 leaks out, so that the vehicle cannot be placed horizontally. Further, when the power lift type hand truck is loaded in the vertical position as it is, the height becomes high, and therefore there is a risk of falling during truck transportation. The present invention has been made in consideration of such circumstances, and an object of the present invention is to solve the above problems (1) to (6).
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するもの
として、本発明が採用した手段は、前記基本構造を備え
る動力リフト式手押運搬車において、上記昇降駆動手段
１０は、上記荷台１を昇降するエアシリンダ１１と、圧
縮ガスを充填した圧縮ガスボンベ１９と、圧縮ガスボン
ベ１９からエアシリンダ１１へ供給する圧縮気体を供給
制御する気体制御器１８とから成り、上記エアシリンダ
ー１１の出力ロッド１２を下向きに立設して上記昇降ガ
イド５を構成し、上記エアシリンダー１１の外筒１３に
固定した連結金具４、上記外筒１３に沿う荷台支持杆
２、及び上記連結金具４と荷台支持杆２とを連結する連
結ピン３を介して荷台１を上記外筒１３に連結し、上記
荷台支持杆２にあけた複数のピン挿入孔３ａのいずれか
に上記連結ピン３を挿入して上記荷台１の高さを選択可
能に構成したことを特徴とするものである。Means for Solving the Problems In order to solve the above-mentioned problems, the means adopted by the present invention is a power lift type hand truck having the above-mentioned basic structure. an air cylinder 11 for vertically, compressed gas cylinder 19 filled with compressed gas, Ri formed compressed gas supplied from the compressed gas cylinder 19 to the air cylinder 11 from the gas controller 18 which controls the supply, the air cylinder
-11, the output rod 12 is erected downward, and
The outer cylinder 13 of the air cylinder 11 is constituted by the id 5
Fixed connecting fitting 4, loading platform support rod along the outer cylinder 13
2, and a connecting member for connecting the connecting fitting 4 and the luggage carrier supporting rod 2 to each other.
The loading platform 1 is connected to the outer cylinder 13 via the connecting pin 3,
Any of the plurality of pin insertion holes 3a formed in the platform support rod 2.
The height of the carrier 1 can be selected by inserting the connecting pin 3 into
It is characterized by being configured into Noh .
【０００９】[0009]
【発明の作用】本発明は、上記構成により以下のように
作用する。上記荷台１は一対の昇降ガイド５に沿ってに
昇降するが、この荷台１の昇降操作は、操作者がエアシ
リンダ１１に供給する圧縮気体を気体制御器１８で制御
することにより行う。つまり、圧縮ガスを充填した圧縮
ガスボンベ１９が従来技術のバッテリ、電動モータ、圧
油供給装置や、先考案例のエアコンプレッサー３０、小
型エンジン３１、補助タンク３２に代わって、昇降駆動
源として機能する。また、エアシリンダー１１の出力ロ
ッド１２を下向きに立設して上記昇降ガイド５を構成
し、上記エアシリンダー１１の外筒１３に荷台１を連結
して昇降させるが、荷台支持杆２にあけた複数のピン挿
入孔３ａのいずれかに連結ピン３を挿入して上記荷台１
の高さを選択可能に構成したことから、例えば地上から
トラックの荷台等へ荷上げし、トラックの荷台等から地
上へ荷下ろしする場合に、その高さに応じて荷台１の高
さを適宜選択できる。 The present invention operates as follows with the above construction. The loading platform 1 moves up and down along the pair of lifting guides 5. The lifting operation of the loading platform 1 is performed by the operator controlling the compressed gas supplied to the air cylinder 11 with the gas controller 18. That is, the compressed gas cylinder 19 filled with the compressed gas functions as a lifting drive source in place of the battery, electric motor, pressure oil supply device of the prior art, the air compressor 30, the small engine 31, and the auxiliary tank 32 of the prior art example. . Also, the output of the air cylinder 11
The lifting guide 5 is constructed by vertically standing the head 12 downward.
Then, connect the carrier 1 to the outer cylinder 13 of the air cylinder 11.
And lift it up and down, but insert a plurality of pins opened in the platform support rod 2.
Insert the connecting pin 3 into any one of the entry holes 3a to insert the loading platform 1
Since the height of can be selected, for example from the ground
Load the cargo onto the truck bed, etc.
When unloading upward, the height of the loading platform 1 is increased according to the height.
The size can be appropriately selected.
【００１０】[0010]
【発明の効果】これにより、以下の効果を奏する。
イ．荷台１を昇降する昇降駆動手段１０において、圧縮
ガスボンベ１９が従来技術のバッテリ、電動モータ、圧
油供給装置に代わって機能し、また先考案例のエアコン
プレッサー３０、小型エンジン３１、補助タンク３２に
代わって機能するので、構造が簡単かつ軽量で、メンテ
ナンスが容易、しかも、製造コストが安くつく。
ロ．作動中に振動等により万一圧縮ガスが漏れても、バ
ッテリ液や作動油のような汚染が生じることもない。
ハ．動力リフト式手押運搬車をトラック等に載せて移動
するとき、横積みしても従来例のようにバッテリ液が漏
れ出たり、先考案例のように燃料やオイル等が漏れる出
ることも無いので横積みにできる。
ニ．また横積みにできるので、トラックへの積み下ろし
が容易で、移動中に転倒することもなく安全である。
ホ．しかも、作動気体が圧縮性であるから、荷台が昇降
する際に障害物に接当した場合でも、衝撃が緩和され荷
台又は接当物等が破損するおそれは無い。
ヘ．荷上げや荷下ろしする場合に、その高さに応じて荷
台１の高さを適宜選択で きるので至便である。 As a result, the following effects are obtained. I. In the ascending / descending driving means 10 for ascending / descending the loading platform 1, the compressed gas cylinder 19 functions in place of the battery, electric motor, and pressure oil supply device of the prior art, and the air compressor 30, the small engine 31, and the auxiliary tank 32 of the previously devised example. Since it works instead, it has a simple and lightweight structure, is easy to maintain, and is inexpensive to manufacture. B. Even if the compressed gas leaks during operation due to vibration or the like, contamination such as battery fluid or hydraulic oil does not occur. C. When moving a power lift type hand truck to a truck etc. and moving it horizontally, there is no leakage of battery liquid as in the conventional example or leakage of fuel or oil as in the previous invention. So you can stack them horizontally. D. In addition, because they can be stacked horizontally, they can be easily loaded and unloaded from trucks and are safe from falling over while moving. E. Moreover, since the working gas is compressible, even if the working bed comes into contact with an obstacle when moving up and down, there is no risk of the impact being relieved and the carrying bed or the contacting object being damaged. F. When loading or unloading, load according to its height.
Is convenient because wear height of the platform 1 with appropriately selected.
【００１１】[0011]
【実施例】以下本発明の実施例を図面に基づいてさらに
詳しく説明する。図１は本発明の実施例に係る動力リフ
ト式手押運搬車の手押運搬時の状態を示す側面図、図２
はその動力リフト式手押運搬車の停止状態を示す側面
図、図３はその平面図、図４はその正面図である。Embodiments of the present invention will now be described in more detail with reference to the drawings. FIG. 1 is a side view showing a state of a power lift type hand truck according to an embodiment of the present invention at the time of hand carriage.
Is a side view showing the stopped state of the power lift type hand truck, FIG. 3 is a plan view thereof, and FIG. 4 is a front view thereof.
【００１２】この動力リフト式手押運搬車は図１〜図４
で示すように、荷台１と、荷台１を昇降ガイドする一対
の昇降ガイド５と、荷台１を昇降する昇降駆動手段１０
と、上記昇降ガイド５・昇降駆動手段１０を搭載した手
押車台２０とを備えて成る。上記手押車台２０は、基台
２１と、基台２１を支える車輪２２と、基台２１にその
一端が固設された手押運搬用取手２４を兼用する機枠
と、機枠２４の下半部に取着されたキャスター２３とか
ら成り、基台２１上には昇降ガイド５として左右一対の
エアシリンダ１１・１１が立設され、このエアシリンダ
１１を作動させる駆動源として圧縮ガスボンベ１９が搭
載されている。This power lift type hand truck is shown in FIGS.
As shown in FIG. 1, the loading platform 1, a pair of lifting guides 5 for guiding the loading platform 1 up and down, and lifting drive means 10 for lifting the loading platform 1
And a hand cart 20 on which the lifting guide 5 and the lifting drive means 10 are mounted. The hand cart 20 includes a base 21, wheels 22 that support the base 21, a machine frame that also serves as a hand-carrying handle 24 having one end fixed to the base 21, and a machine frame 24. A pair of left and right air cylinders 11 and 11 are erected on the base 21 as a lifting guide 5, and a compressed gas cylinder 19 is used as a drive source for operating the air cylinder 11. It is installed.
【００１３】この動力リフト式手押運搬車を手押運搬し
て荷物Ｗを運搬する際には、図１で示すように、上記車
輪２２とキャスター２３とで基台２１を斜めに支え、ま
た、荷物Ｗを上げ下ろしする際には、図２で示すよう
に、基台２１を接地させてエアシリンダ１１を垂直にす
るとともに、上記キャスター２３を跳ね上げておく。な
お、このとき図示しないバネの拘引力でキャスター２３
を図２で示す跳ね上げ状態に維持するように構成されて
いる。When carrying the load W by carrying the power lift type hand cart by hand, as shown in FIG. 1, the wheel 22 and casters 23 support the base 21 obliquely, and When raising and lowering the luggage W, as shown in FIG. 2, the base 21 is grounded to make the air cylinder 11 vertical and the casters 23 are flipped up. At this time, the caster 23 is pulled by the pulling force of a spring (not shown).
Is configured to be maintained in the flip-up state shown in FIG.
【００１４】上記各エアシリンダ１１は、その出力ロッ
ド１２の先端部（図上では下端部）が上記基台２１の上
面に固設され、出力ロッド１２を進退作動させることに
より、シリンダ外筒１３が昇降するように構成されてい
る。そして上記荷台１は、各シリンダ外筒１３の基端部
（図上では下端部）に固定した連結金具４、上記外筒１
３に沿う荷台支持杆２、及び上記連結金具４と荷台支持
杆２とを連結する連結ピン３を介して上記外筒１３に組
付けられ、連結金具４にあけたピン挿入孔（図示せず）
に対して、荷台支持杆２にあけた複数のピン挿入孔３ａ
のいずれかに上記連結ピン３を挿入することにより荷台
１を適当な高さに位置選択できるように構成されてい
る。In each of the air cylinders 11, the tip end portion (lower end portion in the figure) of the output rod 12 is fixedly mounted on the upper surface of the base 21, and the output rod 12 is moved forward and backward to move the cylinder outer cylinder 13 Is configured to move up and down. The loading platform 1 includes a connecting fitting 4 fixed to a base end portion (lower end portion in the drawing) of each cylinder outer cylinder 13 , the outer cylinder 1
3 along with the loading platform support rod 2, and the above-mentioned connecting fitting 4 and the loading platform support
A pin insertion hole (not shown) that is assembled to the outer cylinder 13 through the connecting pin 3 that connects the rod 2 and is opened in the connecting fitting 4.
, The plurality of pin insertion holes 3a formed in the carrier support rod 2
By inserting the connecting pin 3 into any of the above, the loading platform 1 can be positioned at an appropriate height.
【００１５】本実施例では左右一対の昇降ガイド５・５
は、上記のようにエアシリンダー１１・１１で兼用し、
また、昇降駆動手段１０は、上記荷台１を昇降させる上
記各エアシリンダ１１と、圧縮ガスを充填した圧縮ガス
ボンベ１９と、圧縮ガスボンベ１９から各エアシリンダ
１１に供給する圧縮気体を供給制御する気体制御器１８
とにより構成されており、圧縮ガスボンベ１９から供給
される圧縮気体を気体制御器１８で制御することによ
り、エアシリンダー１１を作動させて荷台１を昇降する
ように構成されている。In this embodiment, a pair of left and right elevating guides 5, 5
Is also used as the air cylinder 11, 11 as described above,
Further, the elevating / lowering drive means 10 controls the supply and control of each of the air cylinders 11 for elevating and lowering the loading platform 1, the compressed gas cylinder 19 filled with compressed gas, and the compressed gas supplied from the compressed gas cylinder 19 to each air cylinder 11. Bowl 18
The compressed gas supplied from the compressed gas cylinder 19 is controlled by the gas controller 18 to operate the air cylinder 11 to move the loading platform 1 up and down.
【００１６】上記気体制御器１８は、圧縮気体供給用の
操作ハンドル１８ａと、エアシリンダー１１内の圧縮気
体を放出する大気連通弁１８ｂとを備えて成り、左右の
いずれかの取っ手２４に付設されており、この操作ハン
ドル１８ａと大気連通弁１８ｂとを操作することによ
り、圧縮ガスボンベ１９から供給される圧縮気体を制御
して、上記エアシリンダー１１の出力ロッド１２を伸長
・収縮させ、荷台１を適当な高さに位置させることがで
きる。The gas controller 18 is provided with an operating handle 18a for supplying compressed gas and an atmosphere communication valve 18b for discharging the compressed gas in the air cylinder 11, and is attached to one of the left and right handles 24. By operating the operation handle 18a and the atmosphere communication valve 18b, the compressed gas supplied from the compressed gas cylinder 19 is controlled, and the output rod 12 of the air cylinder 11 is expanded / contracted to move the loading platform 1 It can be located at any suitable height.
【００１７】図５はこの動力リフト式手押運搬車の荷台
の上昇状態を示す側面図であり、この場合、荷物Ｗの積
み下ろしの高さ等を考慮して、連結金具４に対して荷台
支持杆２の最下位を連結してある。この図５は例えば地
上から荷物Ｗをトラックの荷台等に積み上げる際の、典
型的な使用態様を示す。図６はこの動力リフト式手押運
搬車の荷台の下降状態を示す側面図であり、この場合、
上記連結金具４に対して荷台支持杆２の最上位を連結し
てある。この図６は例えばトラックの荷台等から荷物Ｗ
を積み下ろす際の、典型的な使用態様を示す。FIG. 5 is a side view showing the lifted state of the bed of the power lift type hand truck. In this case, in consideration of the height of loading and unloading of the cargo W, the bed is supported on the connecting metal fitting 4. The bottom of the rod 2 is connected. FIG. 5 shows a typical mode of use when, for example, the loads W are stacked on the bed of a truck from the ground. FIG. 6 is a side view showing the lowered state of the bed of this power lift type hand truck. In this case,
The uppermost part of the luggage carrier support rod 2 is connected to the connecting fitting 4. FIG. 6 shows, for example, luggage W from a truck bed .
The typical usage mode at the time of unloading is shown.
【００１８】上記実施例においては、エアシリンダー１
１で左右一対の昇降ガイドを兼用させ、連結金具４に対
して荷台支持杆２を適当に位置させるように構成したの
で、以下のような多くの利点を有する。従来例の昇降ガ
イドを実質的に省略して、軽量で構造が簡素、取り扱い
が便利、製造コスト安価、前方の視界が良くなる。しか
も、荷上げや荷下ろしする場合に、その高さに応じて荷
台１の高さを適宜選択できるので至便であり、荷上げや
荷降ろしの高さを十分確保しつつも、背丈（全高）を低
くして、天井の低い場所等にも荷物を運搬することがで
きる。In the above embodiment, the air cylinder 1
Since the pair of left and right elevating guides is also used as 1 and the luggage carrier support rod 2 is appropriately positioned with respect to the connecting fitting 4, there are many advantages as follows . By substantially omitting the lifting guide of the conventional example, it is lightweight, has a simple structure, is easy to handle, has a low manufacturing cost, and has a good front view. Moreover, when loading or unloading, the load
It is convenient because the height of the platform 1 can be selected as appropriate, and while maintaining a sufficient height for loading and unloading, it is also possible to lower the height (total height) and carry the luggage to a place with a low ceiling. You can
【００１９】[0019]
【図１】本発明の実施例に係る動力リフト式手押運搬車
の手押運搬時の状態を示す側面図である。FIG. 1 is a side view showing a state of a power lift type hand guided vehicle according to an embodiment of the present invention during hand carrying.
【図２】その動力リフト式手押運搬車の停止状態を示す
側面図である。FIG. 2 is a side view showing a stopped state of the power lift type hand truck.
【図３】その動力リフト式手押運搬車の停止状態を示す
平面図である。FIG. 3 is a plan view showing a stopped state of the power lift type hand truck.
【図４】その動力リフト式手押運搬車の停止状態を示す
正面図である。FIG. 4 is a front view showing a stopped state of the power lift type hand truck.
【図５】その動力リフト式手押運搬車の荷台の上昇状態
を示す側面図である。FIG. 5 is a side view showing the raised state of the bed of the power lift type hand truck.
【図６】その動力リフト式手押運搬車の荷台の下降状態
を示す側面図である。FIG. 6 is a side view showing a lowered state of the bed of the power lift type hand truck.
【図７】先考案例に係る図２相当図である。FIG. 7 is a view corresponding to FIG. 2 according to the previously devised example.
【図８】従来例に係る動力リフト式手押運搬車の荷台の
上昇状態を示す側面図である。FIG. 8 is a side view showing a lifted state of a loading platform of a power lift type hand truck according to a conventional example.
１…荷台、 ５…昇降ガイド、 １０…昇
降駆動手段、１１…エアシリンダー、 １８…気体制御
器、 １９…圧縮ガスボンベ、２０…手押車台。DESCRIPTION OF SYMBOLS 1 ... Loading platform, 5 ... Elevating guide, 10 ... Elevating drive means, 11 ... Air cylinder, 18 ... Gas controller, 19 ... Compressed gas cylinder, 20 ... Hand cart.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平６−9037（ＪＰ，Ａ) 特開 平５−254442（ＪＰ，Ａ) 実開 昭63−39093（ＪＰ，Ｕ) 実開 昭59−82594（ＪＰ，Ｕ) 実開 昭58−877（ＪＰ，Ｕ) 実公 昭50−9701（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) B62B 1/06 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-6-9037 (JP, A) JP-A-5-254442 (JP, A) Actually open 63-39093 (JP, U) Actually open 59- 82594 (JP, U) Actual development Sho 58-877 (JP, U) Actual public Sho 50-9701 (JP, Y1) (58) Fields investigated (Int.Cl. 7 , DB name) B62B 1/06
Claims (2)
昇降ガイド(５)と、荷台(１)を昇降する昇降駆動手段(1
0)と、上記昇降ガイド(５)及び昇降駆動手段(10)を搭載
した手押車台(20)とを備える動力リフト式手押運搬車に
おいて、 上記昇降駆動手段(10)は、上記荷台(１)を昇降するエア
シリンダ(11)と、圧縮ガスを充填した圧縮ガスボンベ(1
9)と、圧縮ガスボンベ(19)からエアシリンダ(11)へ供給
する圧縮気体を供給制御する気体制御器(18)とから成
り、 上記のエアシリンダ(11)の出力ロッド(12)を下向きに立
設して上記昇降ガイド(５)を構成し、上記のエアシリン
ダ(11)の外筒(13)に固定した連結金具(4)、上記外筒(1
3)に沿う荷台支持杆(2)、及び上記連結金具(4)と荷台支
持杆(2)とを連結する連結ピン(3)を介して荷台(１)を上
記外筒(13)に連結し、上記荷台支持杆(2)にあけた複数
のピン挿入孔(3a)のいずれかに上記連結ピン(3)を挿入
して上記荷台(1)の高さを選択可能に構成した、ことを
特徴とする動力リフト式手押運搬車。1. A loading platform (1), a lifting guide (5) for raising and lowering the loading platform (1), and a lifting drive means (1) for lifting the loading platform (1).
0) and a hand truck (20) equipped with the elevating guide (5) and the elevating drive means (10), wherein the elevating drive means (10) is the loading platform (20). 1) Air cylinder (11) for moving up and down, and compressed gas cylinder (1
9) and a gas controller (18) that controls the supply of the compressed gas supplied from the compressed gas cylinder (19) to the air cylinder (11) .The output rod (12) of the air cylinder (11) is directed downward. It stands upright to form the lifting guide (5), and the air cylinder
Connector (4) fixed to the outer cylinder (13) of the da (11), the outer cylinder (1)
The load carrier (1) is connected to the outer cylinder (13) through the load carrier support rod (2) along the line (3) and the connecting pin (3) that connects the connecting metal fitting (4) and the load carrier support rod (2). Then, the height of the platform (1) can be selected by inserting the connecting pin (3) into any of the plurality of pin insertion holes (3a) formed in the platform support rod (2). Power lift type hand truck that is characterized by.
と圧縮ガスボンベ(19)を搭載する基台(21)と、この基台
(21)を支える車輪(22)と、その基台(21)にその一端が固
設された機枠(24)と、その機枠(24)の下半部に取着され
たキャスター(23)とから成り、荷物運搬時には、上記車
輪(22)とキャスター(23)とで基台(21)を斜めに支え、荷
物昇降時には、上記基台(21)を接地させてエアシリンダ
(11)を垂直にして、上記キャスター(23)を跳ね上げるよ
うに構成した、ことを特徴とする請求項１に記載の動力
リフト式手押運搬車。2. The handcart (20) comprises an air cylinder (11).
And a base (21) equipped with a compressed gas cylinder (19), and this base
Wheels (22) supporting (21), machine frame (24) having one end fixed to the base (21), and casters (23 attached to the lower half of the machine frame (24). ), The wheel (22) and casters (23) diagonally support the base (21) when carrying a load, and the base (21) is grounded when the load is lifted and lowered.
The power lift type hand truck according to claim 1, characterized in that the caster (23) is flipped up with the (11) vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21867092A JP3391476B2 (en) | 1992-07-24 | 1992-07-24 | Power lift truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21867092A JP3391476B2 (en) | 1992-07-24 | 1992-07-24 | Power lift truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0648301A JPH0648301A (en) | 1994-02-22 |
| JP3391476B2 true JP3391476B2 (en) | 2003-03-31 |
Family
ID=16723587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21867092A Expired - Fee Related JP3391476B2 (en) | 1992-07-24 | 1992-07-24 | Power lift truck |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3391476B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101460496B1 (en) * | 2014-04-14 | 2014-11-20 | (주) 지엔씨에너지 | Refrigerant Charging Apparatus for Blast Resistance |
| CN110778885B (en) * | 2019-12-03 | 2024-06-18 | 苏州有单互联网科技有限公司 | Monitoring device for internet of things |
-
1992
- 1992-07-24 JP JP21867092A patent/JP3391476B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648301A (en) | 1994-02-22 |
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| LAPS | Cancellation because of no payment of annual fees |