JPH0777867B2 - 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 carrier used for carrying up or unloading luggage from the bed of a truck or a carrier and transporting 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 lifting and loading it on the loading platform, or conversely unloading the luggage on the loading platform of the transport vehicle, manually load 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 it on top of it, but these tasks were extremely hard work and an unreasonable posture was taken. However, since heavier objects are lifted and lowered, there is a lot of fatigue, and this is a very dangerous work because it easily causes a so-called low back and hurts hands and feet.

The present invention solves the above problems and provides a transporter capable of safely and efficiently carrying up, unloading and transporting heavy loads.

[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 portion of a moving vehicle frame 2 provided with a push-pushing handle 1, and a luggage support frame 4 is superposed on the moving vehicle frame 2 and an upper portion 4'is pivotally attached to a lower portion 4 ".
Is provided rotatably up and down, and a luggage support body 8 for loading luggage is provided on the upper surface of the luggage support frame 4 so as to be slidable along the luggage support frame 4 so that the luggage support frame 4 approaches a horizontal state. A holding mechanism 25 for holding is provided between the moving vehicle frame 2 and the luggage support frame 4, a load receiving plate 5 is attached to the lower portion of the luggage support body 8, and a grounding portion 7 is provided at the lower portion of the moving vehicle frame 2 to provide the grounding. When the portion 7 is grounded and the moving vehicle frame 2 is slanted over the loading platform edge a ′ of the carrier platform a of the transport vehicle, the locking portion 6 that locks the moving vehicle frame 2 to the loading platform edge a ′ is provided on the upper portion of the moving vehicle frame 2. A lock mechanism 9 is provided on the luggage support 8 to prevent the luggage support 8 from sliding in the direction of the luggage carrier. When the lock mechanism 9 is released, the luggage bearing body 8 holds the luggage bearing body 8 against the luggage carrier a.
A pushing mechanism 10 that pushes to the side is provided on the load bearing body 8, and a compressing body 11 that is compressed by applying an external pressure to the pushing mechanism 10 is provided.
Is provided to hold the luggage support frame 4 in a horizontal state by the holding mechanism 25, and when the locking mechanism 9 is released, the luggage support body 8 on which the luggage b is placed by the restoring force of the compression body 11 is directed toward the loading platform. The present invention relates to a transporting machine, characterized in that the pushing mechanism 10 is configured by setting the elasticity of the compression body 11 so as to urge the pushing force.

[0006]

When the load b is carried on the load a, the load b is supported by the load support 8 and the load receiving plate 5, and the equipment is grounded at the optimum position of the load a of the carrier to carry the load b by hand. The locking portion 6 provided on the upper portion of the moving vehicle frame 2 by grounding the portion 7
Is engaged with the luggage carrier edge a ′, and the moving vehicle frame 2 is slid over the ground and the luggage carrier edge a ′ of the carrier in a stable state.

In this state, the lower portion 4 "of the luggage support frame 4 is rotated upward, and the holding mechanism 25 holds the luggage support frame 4 to the loading platform a.
When the lock mechanism 9 provided on the load bearing body 8 is released, the compression body 11 provided on the pushing mechanism 10 is held.
Due to the restoring force, the luggage support 8 supporting the luggage a is urged in the direction of the loading platform a. While utilizing this inertia, the load b is carried on the load a while sliding the load support 8 on the load support frame 4 by applying human power.

On the contrary, the luggage b loaded on the carrier a of the carrier
When unloading, the moving vehicle frame 2 is slanted over the ground and the carrier edge a'of the carrier, and the lower portion 4 "of the luggage supporting frame 4 is rotated upwards to dismount the luggage supporting frame 4 as described above. The load bearing support 8 on the load bearing frame 4 is released by releasing the lock mechanism 9 holding the compression body 11 in a compressed state by holding the compression body 11 close to the horizontal state.
When the luggage b is placed on the luggage support body 8 in the state of moving in the direction of the loading platform a and the lower portion 4 ″ of the luggage support frame 4 is rotated downward, the compression body 11 is compressed and the lock mechanism 9 is locked. The luggage b is supported on the cargo receiving plate 5 of the luggage support 8. At this time, when the luggage b is placed on the luggage supporting body 8 and the luggage support 8 is slid to the load receiving plate 5 side, the lock mechanism 9 is locked. Is also good.

In any case, since the load bearing frame 4 receives a downward moment with the weight of the load b as a fulcrum about the pivot portion, the load support frame 4 is rotated downward and moved with less force than when carrying the load. The luggage support frame 4 can be installed on the vehicle frame 2 in a stacked state.

Next, the engaging portion 6 of the machine body c is disengaged from the carrier edge a'of the carrier a, the hand-pushing handle 1 is grasped and the carrier is manually pushed to carry the load b to a predetermined moving position, and the load-receiving plate 5 Unload baggage b.

[0011]

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 a moving vehicle frame 2 having a push handle 1 projecting from it. A luggage support frame 4 is superposed on the moving vehicle frame 2 and an upper portion 4'is pivotally attached to a lower portion 4 ".
Is provided rotatably up and down, and a luggage support 8 for loading luggage is provided on the upper surface of the luggage support frame 4 so as to be slidable along the luggage support frame 4, and the luggage support frame 4 is held close to a horizontal state. A holding mechanism 25 is provided between the moving vehicle frame 2 and the luggage support frame 4, and a cargo receiving plate 5 is attached to the lower portion of the luggage support 8.
A grounding portion 7 is provided below the moving vehicle frame 2, and the grounding portion 7
Is provided on the upper portion of the moving vehicle frame 2 to lock the moving vehicle frame 2 on the platform edge a'of the carrier a of the transport vehicle when the vehicle frame 2 is grounded. The luggage support 8 is provided with a lock mechanism 9 for preventing the luggage support 8 from sliding in the direction of the loading platform, and when the locking mechanism 9 is released, the luggage support 8 is moved toward the loading platform a with respect to the luggage support frame 4. A pushing mechanism 10 for pushing is provided on the luggage support body 8, a compression body 11 is provided which is compressed by applying an external pressure to the pushing mechanism 10, and the holding mechanism 25 holds the luggage support frame 4 close to a horizontal state. And when the lock mechanism 9 is released, the compression body
The pushing mechanism 10 is configured by setting the elasticity of the compression body 11 so that the luggage support 8 on which the luggage b is placed is biased by the restoring force of 11 toward the bed.

Further, the grounding portion 7 and the locking portion 6 which are configured to bridge the moving vehicle frame 2 on the ground and the carrier edge a'of the carrier will be described.

Female screw portions are provided at the left and right lower ends of the moving vehicle frame 2, and male screw portions at the base of the ground portion 7 having a ground plate at the lower end are screwed into the female screw portions, and the ground portion 7 is placed at a predetermined position. When the upper portion of the moving vehicle frame 2 is slanted over the loading platform edge a ′ of the carrier platform a of the transport vehicle, the locking portion 6 that locks the moving vehicle frame 2 to the loading platform edge a ′ is attached to the upper portion of the moving vehicle frame 2. Set up. As shown in the figure, since the locking portion 6 is movably locked and fixed to the upper part of the moving vehicle frame 2 by the locking bolt 6 ', it is adjusted to the height of the carrier edge a'of the carrier. And adjust so that the moving vehicle frame 2 is bridged at a stable angle. Reference numeral 7'denotes a lock nut.

Next, in the embodiment, the vertical rod 12 of the luggage support frame 4
12 is formed in the shape of a hollow short section, and the vertical pieces of the key-shaped L-shaped pieces 14 and 14 are fixed to both outer sides of the vertical rods 12 and 12 so as to face each other, and the horizontal pieces are attached to the upper surface of the vertical rods 12. At a predetermined interval 13 and project inward.

The left and right subordinate vertical rods 16 and 16 of the luggage support 8 are formed in a hollow short sectional shape, and the central support vertical pipe of the luggage support 8 is formed.
30 is formed of a hollow tube, and the supporting vertical tube 30 and the auxiliary vertical rod 16
A plurality of horizontal rods 31 are installed between 16 and the conveyor rollers 19 are rotatably juxtaposed by using the horizontal rods 31 to form a luggage support 8, and guides are provided on the upper and lower portions of the luggage support 8. The rod 15 is fixed to the outside in a protruding state, the guide rod 15 is fitted into the predetermined space 13 of the L-shaped piece 14, and the L-shaped piece 13 is used as a guide to mount the luggage support 8 on the luggage support frame 4. The load receiving plate 5 is attached to the lower portion of the load bearing support 8 so as to be slidable along it.

Next, the pushing mechanism 10 will be described in detail. In the drawing, the luggage support 8 on which the luggage is placed by the restoring force of the compression body 11 such as the gas spring 34 which is suitable as an energy source of the pushing mechanism 10 is the loading platform. The case where it is constituted so as to push and urge in the direction is illustrated.

The cylinder portion of the gas spring 34 is inserted into the bearing vertical pipe 30 of the luggage support frame 4 and is axially attached by the pin 18, and the tip of the piston rod 34 'of this gas spring 34 is attached to the lower portion of the luggage support frame 4. It is pivotally attached to the provided bearing 17.

A lock mechanism 9 is provided between the luggage support frame 4 and the luggage support body 8. When the luggage support body 8 is pushed toward the loading platform a while releasing the lock mechanism 9, the gas spring 34 is placed in the cylinder. The piston rod 34 ′ of the gas spring 34 is generated by the restoring force of the compressed gas as the enclosed compression body 11.
Of the gas spring 34, the luggage support 8 locked to the bearing 17 at the cylinder end of the gas spring 34 slides on the upper surface of the luggage support frame 4 using the L-shaped piece 14 as a guide, and the upper portion 4 of the luggage support frame 4 Is pushed to '. Using the inertia of this pushing motion, the worker manually pushes the load b up to the loading platform a.
At this time, the conveyor roller 19 provided on the side rod 31 of the luggage support 8
Since the above conveyor action is also used, the load b can be easily pushed up to the loading platform a.

In the opposite case, the lower portion 4 "of the luggage support frame 4 is pivoted upward to hold the luggage support frame 4 in a horizontal state close to the loading platform a, and then the lock mechanism 9 is released, whereby the luggage support frame 8 is opened. By the restoring force of the compression body 11 of the pushing mechanism 10, the luggage support frame 4 is pushed and urged in the direction of the loading platform a, and in this state the luggage b is placed on the upper portion of the luggage support 8 and the luggage support 8 is loaded. When the support frame 4 is rotated in the lower 4 "direction, external pressure is applied to the compression body 11 of the pushing mechanism 10 and the compressed gas of the gas spring 34 is pressed by the piston to compress the compressed gas. When the support 8 is returned to its original position, the luggage support 8 is locked on the luggage support frame 4 in a superposed state by the self-locking action of the lock mechanism 9. Normally, this operation is for unloading, so that the weight of the luggage b can be used as an actuator by operating in parallel with the lower movement of the luggage support frame 4, so that the luggage support 8 can be easily set to the original position. can do.

The pushing speed of the pushing mechanism 10 can be changed by changing the diameter of the gas passage hole provided in the piston in the gas spring 34 to change the gas passage amount. .

In the drawing, the gas spring 34 suitable as the energy source of the pushing mechanism 10 is adopted, but other means such as a hand-operated hydraulic / pneumatic cylinder accumulator combined cylinder, a coil spring and the like are used. Can be designed with.

The lock mechanism 9 shown in detail will be described in detail. A lock pin is provided on the lower rear surface of the auxiliary vertical rod 16 on the left side of the luggage support 8.
29 is provided in a projecting manner, a locking hook 20 is provided on the upper surface of the lower horizontal rail 32 of the luggage support frame 4, and the base of the locking hook 20 is axially attached to the lower horizontal rail 32 by a locking hook pin 21. A return spring 23 is stretched between the central left side portion of the 20 and the vertical rod 12 on the left side, and the hook portion of the locking hook 20 engages with the lock pin 29 by the urging force of the return spring 23 so that the upper portion of the luggage support 8 To prevent movement to

A lock handle 22 is projected on the locking hook 20, and when the lock handle 22 is pulled, the locking hook 20 rotates about the locking hook pin 21 as a fulcrum, and the hook of the locking hook 20 is pulled from the lock pin 29. When released, the lock mechanism 9 is released and the pushing mechanism 10 causes the luggage support 8 to slide on the luggage support frame 4.

When the luggage support 8 descends, the tip of the hook portion of the locking hook 20 is pushed away by the lock pin 29, and the return spring 23 automatically engages and locks the hook portion with the lock pin 29. .

Further, reference numeral 24 is a pivoting portion for pivotally mounting the luggage support frame 4 on the moving vehicle frame 2 in a superposed state, and reference numeral 33 is a luggage by a holding mechanism 25 provided between the moving vehicle frame 2 and the luggage support frame 4. It is a gas spring that holds the support frame 4 in a state in which it is almost horizontal, and has the same structure as the gas spring 34 of the pushing mechanism 10. Further, reference numeral 26 is a brake mechanism for fixing the rotation of the wheels 3 by a link mechanism in cooperation with the holding mechanism 25, and reference numeral 27 is a lower portion 4 "of the luggage support frame 4 by locking the luggage support frame 4 to the moving vehicle frame 2. Reference numeral 28 is a guard that locks the upward rotation of the.

[0027]

Since the present invention is constructed as described above, the luggage to be carried is placed on the luggage support, and the machine is moved to an optimum position for carrying the machine to the carrier bed of the carrier to move the vehicle frame. It is slanted over the ground and the carrier edge of the carrier, the lower part of the luggage support frame is rotated upwards, and the holding mechanism holds the luggage support frame in a horizontal state close to the carrier, and the lock mechanism is released to function as a pushing mechanism. Utilizing the restoring force of the provided compression body, it pushes and urges the luggage support in the direction of the loading platform, and using this inertia, the luggage support is pushed in the direction of the loading platform while supporting the luggage to load the luggage. Since the load on the support can be carried up to the bed of the carrier, it is free from the heavy labor of lifting by hand or squeezing onto the shoulder as in the past.

On the other hand, when unloading a heavy load from the carrier bed of the carrier, the moving vehicle frame is bridged between the ground and the carrier edge, and the lower part of the luggage carrier frame is rotated upward to bring the luggage carrier frame to a horizontal state close to the carrier platform. Hold it in place, push the luggage support on the luggage support frame toward the bed, place the luggage on top of this luggage support and slide the luggage support on the luggage support plate to receive the luggage and engage the lock mechanism. Stop, rotate the lower part of the luggage support frame downward and move the luggage support frame over the vehicle frame.After that, remove the machine from the carrier edge and carry the luggage to the specified position while grasping the hand push handle. It is an economical and excellent transporter that can carry, unload, and carry heavy luggage safely and efficiently.

[Brief description of drawings]

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

FIG. 2 is a partially cutaway side view showing the operation of the embodiment of the present invention.

FIG. 3 is a side sectional view of an essential part of the pushing mechanism according to the embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a structure in which the luggage support frame of one embodiment of the present invention slides on the luggage support.

FIG. 5 is a perspective view showing a lock mechanism according to an embodiment of the present invention.

[Explanation of symbols]

 a cargo bed a'cargo edge 1 handwheel 2 moving vehicle frame 3 wheels 4 luggage support frame 4'upper 4 "lower 5 cargo receiving plate 6 locking portion 7 grounding portion 8 luggage bearing body 9 locking mechanism 10 pushing mechanism 11 compression body 25 pushing up mechanism

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshihiro Suzuki 1-3-18, Wakihama-cho, Chuo-ku, Kobe-shi, Hyogo Kobe Steel Works, Welding Rod Division (56) References Japanese Patent Publication No. 56-1273 (JP) , B2) JP-B-57-24266 (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 luggage support for loading luggage is provided on the upper surface of the luggage support frame so as to be slidable along the luggage support frame, and a holding mechanism for holding the luggage support frame close to a horizontal state is provided for the moving vehicle frame and the luggage support frame. , A load receiving plate is attached to the lower part of the luggage support, a grounding part is provided at the lower part of the moving car frame, and the grounding part is grounded, and the moving car frame is slanted over the carrier edge of the carrier bed. At this time, a locking portion for locking the moving vehicle frame to the edge of the luggage carrier is provided on the upper portion of the moving vehicle frame, and the luggage support is provided with a lock mechanism for preventing the luggage carrier from sliding in the luggage carrier direction. When released, luggage support for luggage support frame The luggage support is provided with a pushing mechanism that pushes the body toward the loading platform, and a compression body that is compressed by applying external pressure to this pushing mechanism is provided, and the holding mechanism holds the luggage support frame close to the horizontal state. Further, when the lock mechanism is released, the elastic force of the compression body is set so as to urge the load bearing body on which the load is placed toward the loading platform by the restoring force of the compression body, thereby configuring the pushing mechanism. A transporter characterized by doing