JPH0784175B2 - Carrier - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for carrying a heavy load such as a high-pressure gas cylinder, a case or a bag filled with a heavy object that is difficult for a person to easily lift from a predetermined place, and use it as a bed for a truck or a carrier. The present invention relates to a transporter used for carrying up or unloading luggage from the bed of a truck or a carrier to transport it to a predetermined place.

[0002]

2. Description of the Related Art Conventionally, the problems to be solved by the invention
When loading heavy goods such as high-pressure gas cylinders and cases or bags filled with heavy things that are difficult for people to lift easily and that cannot be used by a forklift, to load them on a bed such as a truck or carrier, first When carrying a high-pressure cylinder or heavy luggage on a wheelbarrow or carrier and transporting it to a truck, and manually loading it by lifting it on the loading platform, or conversely unloading the luggage on the loading platform of the transportation vehicle, manually loading the luggage on the loading platform. Depending on the baggage, depending on the baggage, a soft mat-like object or an old tire-like object was laid on the ground and the baggage was dragged down from the luggage carrier on top of it, but these tasks are extremely labor intensive and an unreasonable posture. Since heavier objects are lifted and lowered while taking them, there is a lot of fatigue, which is a very dangerous work because it easily causes a so-called low back and hurts hands and feet.

Japanese Examined Patent Publication No. 56-1 for solving such problems
Lift carriers such as No. 273 have also been proposed,
According to the present invention, a brake mechanism for braking a wheel tire is interlocked with the lifting and lowering of a luggage support frame to automatically apply a brake to fix the wheel or release the brake to enable traveling, thereby ensuring safety and efficiency. Transporting heavy luggage
The purpose of the present invention is to provide a carrier that can unload and carry.

[0004]

The gist of the present invention will be described with reference to the accompanying drawings.

Wheels 3 are provided on the left and right sides of the lower part of a moving vehicle frame 2 having a push handle 1 projecting thereon, and a luggage support frame 4 is superposed on the moving vehicle frame 2 and an upper part 4'is pivotally attached to a lower part 4 ". It is rotatably provided up and down, a load receiving plate 5 is attached to a lower portion 4 "of the luggage supporting frame 4, a grounding portion 7 is provided below the moving vehicle frame 2, and the grounding portion 7 is grounded so that the moving vehicle frame 2 is a carrier vehicle. The locking portion 6 that locks the moving vehicle frame 2 to the loading platform edge a ′ when it is slid over the loading platform edge a ′ of the loading platform a is provided on the upper portion of the moving vehicle frame 2 to provide the moving vehicle frame 2 and the luggage support frame 4. A lifting mechanism 24 is provided, and when the luggage support frame 4 is lifted in a substantially horizontal state by the lifting mechanism 24, a brake mechanism 9 for pressing the brake body 8 against the tire 3'of the wheel 3 is provided in the moving vehicle frame 2, and the brake mechanism 9 is provided. Interlocking to interlock the brake operation of 9 with the lifting operation of the lifting mechanism 24 Those of the transporter, characterized in that a structure 25 to the brake mechanism 9.

[0006]

Function When carrying the luggage b, the luggage b is supported by the luggage support frame 4 and the cargo receiving plate 5, and the luggage is brought to an appropriate ground position with respect to the luggage carrier a of the carrier for carrying the luggage b by hand. b is transported, and the grounding portion 7 is grounded at that location, and the locking portion 6 provided on the upper portion of the moving vehicle frame 2 is engaged with the carrier edge a ', and the moving vehicle frame 2 is carried on the ground and the carrier edge a'of the carrier. Cross it diagonally in a stable condition.

Then, the lifting mechanism 24 provided on the moving vehicle frame 2 and the luggage supporting frame 4 pivots the lower portion 4 "of the luggage supporting frame 4 attached to the moving vehicle frame 2 in a stacked state upward to support the luggage. Since the frame 4 is lifted in a substantially horizontal state with respect to the loading platform a, and the brake mechanism 8 is operated by the interlocking mechanism 25 interlocking with its operation to press the brake body 8 against the tire 3'of the wheel 3 to fix the rotation of the wheel 3. , The worker can comfortably carry the luggage support frame 4
The upper luggage b can be carried up to the luggage carrier a while sliding.

On the contrary, when unloading the luggage b loaded on the carrier a of the carrier, the moving vehicle frame 2 is slanted over the ground and the carrier edge a'of the carrier and the lifting mechanism 2 is used, as described above.
The lower portion 4 "of the luggage supporting frame 4 is rotated upward by 4 to hold the luggage supporting frame 4 at a height substantially horizontal to the loading platform a, and at the same time, its operation is transmitted to the brake mechanism 9 by the interlocking mechanism 25 and the wheels 3 The rotation of is fixed, and the luggage b is placed on the upper portion 4'of the luggage support frame 4.
When the luggage b is slid in the direction of the lower portion 4 "of the luggage support frame 4 and received by the luggage support plate 5, the lower portion 4" of the luggage support frame 4 is the weight of the luggage b and the upper portion 4 of the luggage support frame 4 is loaded. Since the downward moment about the pivot point of the 'is added, the lower portion 4 "of the luggage support frame 4 is pushed downward with a force smaller than that at the time of carrying it up, and the luggage support frame 4 is moved to the moving vehicle frame 2 The above interlocking mechanism can be fixed on the polymerization state at the same time
The brake mechanism 9 is released via 25, and the brake body 8 pressing the tire 3'of the wheel 3 is separated by the tire 3 ', so that the operator can move the locking portion 6 of the carrier to the carrier edge a'of the carrier a. It is possible to remove the baggage b from the load receiving plate 5 by further removing it, carrying it by hand and carrying the transporter to a predetermined moving position.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show one embodiment of the present invention, in which a heavy bagg such as a high-pressure gas cylinder, a case filled with heavy objects, a bag pack, etc., which is difficult for a person to easily carry, is carried to a bed a of a carrier. The figure shows a carrier that is convenient when raising or conversely unloading from the loading platform a. Wheels 3 are provided on the left and right sides of the lower portion of the moving vehicle frame 2 having the push handle 1 projecting thereon. The luggage supporting frame 4 is superposed on the moving vehicle frame 2 and the upper portion 4'is pivotally attached to rotate the lower portion 4 "up and down. Freely set up, this luggage support frame 4
Is attached to the lower part 4 "of the vehicle, a grounding part 7 is provided at the bottom of the moving car frame 2, and the grounding part 7 is grounded so that the moving car frame is slanted over the carrier frame a of the carrier a of the carrier. When this is done, the locking portion 6 that locks the moving vehicle frame 2 to the platform edge a ′ is attached to the moving vehicle frame 2
Installed on top of.

Explaining the construction in which the moving vehicle frame 2 is hung on the ground and the carrier edge a'of the carrier, female screw portions 7'are provided at the left and right lower ends of the moving vehicle frame 2, and the female screw portion 7'has a bar shape. The base portion of the grounding portion 7 is screwed to project the tip toward the ground, the grounding portion 7 is grounded at a predetermined position, and the upper portion of the moving vehicle frame 2 is slanted to the loading platform edge a'of the loading platform a of the carrier. A locking portion 6 that locks to the bed edge a ′ of the moving vehicle frame 2 when it is bridged is provided on the upper portion of the moving vehicle frame 2, and the locking portion 6 is moved toward the upper portion of the moving vehicle frame 2 by the locking bolt 6 ′. Since it is freely locked and fixed, it is adjusted so that the moving vehicle frame 2 is hung at a stable angle in accordance with the height of the carrier edge a'of the carrier. Incidentally, a case where a lock nut is screwed onto the female screw portion 7'of the drawing is shown.

When the luggage support frame 4 is lifted to a substantially horizontal state by the lifting mechanism 24, the brake mechanism 9 that directly presses the brake body 8 against the tire 3'of the wheel 3 is moved to the moving frame 2.
The brake mechanism 9 is provided with an interlocking mechanism 25 for interlocking the brake operation of the brake mechanism 9 with the lifting operation of the lifting mechanism 24.

Referring to the lifting mechanism 24, the drawing illustrates the use of a gas spring 21 suitable as energy for the lifting mechanism 24. Bearings 18 and 18 are provided on the left and right of the rear surface slightly lower than the pivotal portion 20 of the luggage support frame 4, and connecting rods 19 are erected on the bearings 18 and 18, and arm rods 25 from the left and right wheel shafts 10 and 10. 25 is projected forward, and the connecting rod 19
Attach the head of the gas spring 21 to the
The piston rod of is attached to the arm rod 25.

A lock mechanism 22 for locking the upward rotation of the luggage support frame 4 is provided between the moving vehicle frame 2 and the luggage support frame 4,
When the lower part 4 "of the luggage support frame 4 is lifted while releasing the lock mechanism 22, the gas spring is compressed by the gas pressure of the compressed gas enclosed in the cylinder of the gas spring 21.
The piston rod in 21 projects and the bearing 18
Rotate upwards as shown in Fig. 1 around the
Since the load b is supported and lifted in a substantially horizontal state while being supported, the load b of the load support frame 4 is slid and loaded onto the loading platform a.

On the contrary, at the time of unloading, the lock mechanism 22 is released and the luggage support frame 4 is rotated upward, the luggage b is placed on the upper portion 4'of the luggage support frame 4, and the luggage b is loaded into the luggage support frame. 4 The lower part of the luggage support frame 4 which is received by the load receiving plate 5 while sliding on 4 "
When is pressed down, the compressed gas in the gas spring 21 is compressed by the piston, and the piston rod retracts and returns to the initial lockable state. Therefore, when the lock mechanism 22 locks that state, the luggage support frame 4 moves to the moving vehicle frame 2. Fixed. Usually, this operation is for unloading, so that the load b on the load receiving plate 5 attached to the lower part of the load bearing frame 4 can be used as an actuator and can be easily moved by the operation of pushing down the moving vehicle frame 2 to the original position. Can be set to state. Since the gas acts as a kind of cushion in this operation, the luggage b can be unloaded in a stable state without suddenly dropping. The vertical rotation speed of the luggage support frame 4 can be freely controlled by changing the gas passage amount by changing the diameter of the gas passage hole provided in the piston in the gas spring 21. .

Explaining the brake mechanism 9, vertical rods 11 are erected on the left and right on the wheel shaft 10, the upper portions thereof are fixedly attached to the moving vehicle frame 2, and a horizontal shaft 12 is horizontally provided slightly above the vertical rods 11. Then
The brake pipe 8 ₁ is fitted onto the horizontal shaft 12, and the base ends of the brake bodies 8 and 8 are fixed to the left and right ends of the brake pipe 8 ₁ , and the front end is bent forward in a key shape, The bent portions are formed so as to press the outer circumferences of the tires 3 ′ and 3 ′ of the left and right wheels 3 and 3 in the width direction, and a pair of continuous levers 8 ′ are projectingly provided at the center of the brake pipe 8 _1. The opening end of the U-shaped bifurcated joint 13 is attached to the installation lever 8 ′ by the shaft 26 on the continuous lever 8 ′, and the brake rod 14 is inserted into the through hole 13 ′ formed in the base of the bifurcated joint 13. Is slidably inserted, and a brake spring 15 is fitted on the brake rod 14 to lock the washer 16 at the base of the bifurcated joint 13 and the lower end of the brake rod 14.
And the adjustment nut 17 between them, and the upper end of the brake rod 14 is fixed to the hollow pipe 27 fitted to the connecting rod 19 provided on the bearings 18 and 18 on the back side of the luggage support frame 4 on the upper side and the back side. Make up 25.

When the luggage support frame 4 is lifted up to a substantially horizontal state by the lifting mechanism 24, the brake rod is moved by the interlocking mechanism 25.
The upper end of 14 also moves upward, and the locking washer 16 and adjusting nut 17 at the lower end of the brake rod 14 press the brake spring 15 in the bifurcated joint 13, and the pressing of the brake spring 15 causes the brake pipe 8 ₁ to move laterally. Since the shaft 12 is rotated counterclockwise in FIG. 2 as a fulcrum, the brake body 8 presses the outer circumferences of the left and right tires 3'in the width direction. The tire 3'is formed of an elastic material such as rubber, and since the tire 3'is filled with air, the brake body 8 firmly engages in the outer peripheral width direction of the tire 3'to rotate the wheel 3. Block. Since the downward movement also the upper end of the brake rod 14 by the interlocking mechanism 25 to move downward luggage support frame 4 in opposite, consecutively provided lever 8 of the brake pipe 8 ₁ by the brake spring 15 'brake member rotates in the clockwise direction in FIG. 2 8 separates from the outer periphery of the left and right tires 3 ', and the braking action is released. The force and timing of pressing the tire 3'of the brake body 8 is adjusted by vertically screwing an adjusting nut 17 screwed on the lower end of the brake rod 14. Reference numeral 23 is a guard.

[0017]

Since the present invention is constructed as described above, the luggage to be carried is placed on the luggage support frame, and the machine is moved to a position suitable for carrying it up to the carrier bed of the carrier, and the moving vehicle frame Is slanted over the ground and the carrier edge of the carrier, the lower part of the carrier support frame is rotated upward by the lifting mechanism, and the luggage on the carrier support frame is moved to the carrier carrier and carried on the carrier. Since it can be lifted, it is free from the heavy labor of lifting by hand or squeezing onto the shoulder as in the past.

On the contrary, when unloading a heavy load from the bed of the carrier, the moving vehicle frame is laid over the ground and the edge of the bed, and the lower portion of the luggage support frame is rotated upward by the lifting mechanism to support the luggage support substantially horizontally. Push the luggage onto the upper part of the frame and slide it towards the lower part of the luggage support frame to receive the luggage on the load receiving plate, and rotate the lower part of the luggage support frame downward to move the luggage support frame on the moving frame. It will be a transporter that can be carried up, unloaded, and transported with a safe and efficient load that can be carried to a predetermined position while gripping the hand-pushing handle by removing the machine body from the edge of the carrier by overlapping.

Further, a brake mechanism for pressing the brake body against the tires of the wheels when the luggage support frame is lifted in a substantially horizontal state by the lifting mechanism is provided in the moving vehicle frame, and the brake operation of this brake mechanism is lifted by the lifting mechanism. Since the brake mechanism is equipped with an interlocking mechanism that interlocks with, when the lower part of the luggage support frame is lifted to a substantially horizontal state by the lifting mechanism, the braking mechanism is operated by the interlocking mechanism that links the lifting mechanism and the brake mechanism. When the wheels are fixed or the luggage support frame is pushed down on the contrary, the interlocking mechanism releases the brake mechanism to free the wheels, so it is safe and easy to move when loading or unloading luggage. It is a carrier that excels in practicality.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a side view in which a part of a main part of a brake mechanism according to an embodiment of the present invention is cut away.

FIG. 3 is a rear view of a main part of the brake mechanism according to the exemplary embodiment of the present invention.

[Explanation of symbols]

 1 hand-push handle 2 moving vehicle frame 3 wheels 3'tire 4 luggage support frame 4'upper 4 "lower 5 load receiving plate 6 locking part 7 grounding part 8 brake body 9 braking mechanism 24 lifting mechanism 25 interlocking mechanism a loading platform a 'loading platform edge

Continuation of the front page (72) Inventor Toshihiro Suzuki 1-3-18 Wakihama-cho, Chuo-ku, Kobe-shi, Hyogo Welding rod division, Kobe Steel, Ltd. (56) References Japanese Patent Publication Sho 56-1273 (JP, B2)

Claims (1)

[Claims] 1. Wheels are provided on the left and right sides of a moving vehicle frame having a push handle protruding from the lower side, and a luggage support frame is superposed on the moving vehicle frame and the upper portion is pivotally attached to the lower portion so that the lower portion can rotate up and down. A load receiving plate is attached to the lower part of the luggage support frame, a grounding part is provided at the lower part of the moving vehicle frame, the grounding part is grounded, and the moving vehicle frame is slanted over the loading carrier edge of the carrier of the transport vehicle. An engaging portion for engaging the edge of the cargo bed is provided on the upper portion of the moving vehicle frame, and a lifting mechanism is provided for the moving vehicle frame and the luggage support frame,
The moving mechanism is provided with a brake mechanism that presses the brake body against the tires of the wheels when the luggage support frame is lifted to a substantially horizontal position by this lifting mechanism, and the brake operation of this brake mechanism is interlocked with the lifting operation of the lifting mechanism. A transporter characterized in that the brake mechanism is provided.