JPH0967003A - Carrying vehicle having elevating/lowering cargo carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the labor of workers, and to eliminate dangerous works by erecting a pair of right and left masts on a carrying vehicle body 2, and fitting a cargo carrying device on a mast in an elevatable manner. SOLUTION: After an equipment block 21 is loaded on a cargo carrying chain 19 of a cargo carrying device 1, a side handle 22, etc., of a pair of masts 3, etc., is operated to move a carrying vehicle to the prescribed place by wheels 25, 26. A motor 27 is driven by an operation panel provided in the vicinity of the handle 22 to rotate a drive sprocket 30 through a driving chain 28. The drive sprocket 30 is interlocked with a driven sprocket 32 through an elevatable chain 33, and a base end part of an elevatable arm 7 is fixed to the elevatable chain 33. The elevatable arm 7 is elevated along a pair of masts 3, etc., by driving the motor 27 in the forward/reverse direction. The equipment block can be carried in and carried out in a safer manner.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carrier with a lifting / lowering device for loading and unloading equipment blocks to and from a storage shelf having a plurality of stages.

[0002]

2. Description of the Related Art In the conventional transportation method, a mast for raising and lowering a transporting vehicle is provided with a luggage stand for raising and lowering, a space for an operator to ride is also provided, and an equipment block is manually lifted on the luggage stand for work. However, depending on the weight of the baggage, a great deal of labor is required and there is a risk of injury or damage due to dropping. Further, when the bottom surface of the device block has a protrusion, the protrusion prevents the stable mounting of the device block, which causes the device block to fall.

[0003]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to reduce the labor of an operator, to eliminate dangerous work, and to carry out a stable loading / unloading work even if a projection is present on the bottom surface of an equipment block. It is an object of the present invention to provide a carrier with an elevator load feeder that can be smoothly operated.

[0004]

Means for Solving the Problems Hereinafter, referring to the reference numerals in the accompanying drawings, in a transport vehicle with a load feeding device of the present invention, a pair of left and right masts 3 and 4 are erected on a transport vehicle main body 2, The load feeding device 1 is mounted on the masts 3 and 4 so as to be vertically movable. The intermediate frame 10 is arranged on the upper surface side of the elevating arm 7 which is vertically moved along the pair of left and right masts 3, 4, and the support frame 17 of the load feeding device 1 is arranged on the upper surface side of the intermediate frame 10. One end of the intermediate frame 10 in the left-right direction is pivotally attached to the bearing base 40 of the elevating arm 7 by a horizontal pivot 37 in the front-rear direction, and the vertical position adjusting bolt 9 rotatably attached to the elevating arm 7 is attached to the other end of the intermediate frame 10. It is screwed into the screw hole portion 8 provided on the bottom surface side. The shaft holes 12 are provided in the left and right wall portions 13 of the intermediate frame 10, and the support frame 17 is provided.
The connecting portion 16 is provided on the bottom surface side of the connecting portion 16, and the left / right position adjusting bolt 18 screwed into the screw hole 15 in the left / right direction of the connecting portion 16 is fitted into the shaft hole 12 so that the left / right position adjusting bolt 18 does not move in the left / right direction. Thus, the wall 13 is supported. The cargo transport chain 19 of the cargo transport device 1 has a plurality of cargo receivers 5, 5.
5 is provided at right angles to the traveling direction. In addition, the grooved roller 20 is provided on the delivery side of the device feeder 1 with the device block storage shelf.
Is provided.

As shown in FIG. 1, after the equipment block 21 is placed on the load-feeding chain 19 of the load-feeding device 1, the side grips 22 and 23 of the masts 3 and 4 are operated, so that the carrier truck has wheels 25 and 25. It is moved to a predetermined place by 26.
After the carrier is stopped and fixed at a predetermined position, the motor 27 is rotated by the operation panel 24 provided near the handle 22. The rotational force of the motor 27 is transmitted to the lower shaft 29 by the drive chain 28, and the drive sprocket 30 connected to the lower shaft 29 rotates.

The upper shaft 3 is provided at the upper ends of the masts 3 and 4.
1 is provided, and the driven sprocket 32 is continuously provided to the upper shaft 31. The driving sprocket 30 and the driven sprocket 32 are linked by a lifting chain 33. The base end of the elevating arm 7 is fixed to the elevating chain 33, and the roller 34 attached to the base end of the elevating arm 7 is guided by the guide rails on the inner side surfaces of the masts 3 and 4 to roll. Thus, as the motor chain 33 rotates 27 forward and backward, the lifting arm 7 moves to the mast 3,
Go up and down along 4.

When the horizontal position adjusting bolt 18 is rotated,
The support frame 17 is moved in the left-right direction by the screw feed mechanism including the bolt 18 and the screw hole 15 of the connecting portion 16, and the horizontal position of the load feeding device 1 with respect to the left and right masts 3 and 4 is adjusted. Further, when the vertical position adjusting bolt 9 is rotated, the intermediate frame 10 is rotated about the horizontal pivot 37 by the screw feeding mechanism by the bolt 18 and the screw hole portion 8 of the intermediate frame 10, and the load feeding device 1 for the elevating arm 7 is rotated. The vertical position of the can be adjusted to set the loader to the required horizontal angle.

When the drum 6 is rotated in a predetermined direction by the operation handle 36 of the load feeding device 1, the load feeding chain 19 wound around the drums 6 and 6 is driven, and the equipment block 21 is fed so as to protrude forward. Loading device 1
Guided by the grooved roller 20 provided at the front end of the device, it is sent to a predetermined equipment block storage shelf.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION In the embodiment shown in FIGS. 1 to 4, the load receiver 5 attached to the load feeding chain 19 of the load feeding device 1 has an L-shaped vertical cross section. FIG.
In the embodiment shown in (1), the vertical cross section of the cargo receiver 5 is formed in a square shape. Further, a grooved roller 20 is provided on an extension line of the loading surface of the load feeding chain 19 on the front side of the load feeding device 1, that is, on the delivery side with the equipment block storage shelf. The screw hole portion 8 of the intermediate frame 10 is provided by a nut body 35 fixed to the bottom surface of the intermediate frame 10. A play gap is set between the vertical position adjusting bolt 9 and the receiving hole portion 43 on the elevating arm 7 side so that the bolt 9 slightly swings when the intermediate frame 10 rotates about the pivot 37. Has been done. ,

The pair of left and right masts 3 and 4 which are erected on the main body 2 of the transport vehicle have a U-shaped horizontal cross section. Auxiliary plate part 3 connecting the upper and lower parts of the masts 3 and 4
8 and 39 are provided, and a reel 40 for connecting to a power source is provided below the mast 3. The vertical position adjusting bolts 9 are provided at two front and rear positions, and a rotary operation handle 41 is connected to the lower end of the bolts 9. An escape groove 11 is provided at the center of the front and rear walls 13 of the intermediate frame 10.
The connecting portions 16 of the support frame 17 with the intermediate frame 10 are provided at two places on the left and right. Guide legs 14 are provided on the bottom surfaces of both ends of the support frame 17 in a protruding manner.

[0011]

EFFECTS OF THE INVENTION As described above, in the transport vehicle with the lifting / lowering load feeding device of the present invention, the pair of left and right masts 3 are provided on the transport vehicle body 2.
4 is provided upright and the load feeding device 1 is provided so as to be able to move up and down along the masts 3 and 4, so that an operator does not have to manually lift the equipment block 21 to perform work, and the loading and unloading work of the equipment block is further facilitated. You can do it safely.

Further, according to the present invention, one end portion of the intermediate frame 10 in the left-right direction is pivotally attached to the bearing base 40 of the elevating arm 7 by the horizontal pivot shaft 37 in the front-rear direction, and the vertical position adjusting bolt rotatably mounted on the elevating arm 7. 9 is screwed into a screw hole portion 8 provided on the bottom surface side of the other end of the intermediate frame 10, shaft holes 12 are provided in the left and right wall portions 13 of the intermediate frame 10, and the shaft 9 is connected to the bottom surface side of the support frame 17 of the load feeding device 1. The left and right position adjusting bolts 18 are provided in the shaft hole 12 so that the right and left position adjusting bolts 18 are not moved in the left and right direction. Thirteen
Since the bolts 9 and 18 are rotated, the positions of the intermediate frame 10 and the support frame 17 are adjusted by rotating the bolts 9 and 18, so that the equipment block 21 mounted on the cargo feeder 1 is properly aligned on the equipment block storage shelf. Can be fed along the position.

A plurality of load receiving plates 5 and 5 are provided on the load feeding chain 19 of the load feeding device 1 so as to project at right angles to the traveling direction,
The bottom surface of the device block 21 is brought into contact with the upper ends of the load receivers 5 and 5, while the device block 21 is placed in the space between the load receivers 5 and 5.
By dropping the protrusion 42 on the bottom surface side of the device block 21, the device block 21 can be stably mounted on the load feeding device 1, and the device block 21 can be prevented from slipping down and the work can be carried in and out more safely. .

Furthermore, by providing the grooved rollers 20 on the delivery side of the device feeder 1 with the equipment block storage rack, the loading / unloading operation of the equipment block 21 can be carried out more reliably and smoothly.

[Brief description of drawings]

FIG. 1 is a right side view of a carrier with an elevator load feeder according to an embodiment of the present invention.

FIG. 2 is a rear view of the carrier with the lifting / lowering load feeder.

FIG. 3 is an enlarged right side view of a load feeding device portion of the transport vehicle with the lifting load feeding device.

FIG. 4 is an enlarged rear view of the portion of the load feeding device.

FIG. 5 is an enlarged right side view of a load feeding device portion according to another embodiment.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 cargo feeder 2 carrier main body 3 mast 4 mast 5 cargo receiver 6 drum 7 lifting frame 8 screw hole portion 9 vertical position adjusting bolt 10 intermediate frame 11 escape groove portion 12 shaft hole 13 intermediate frame wall portion 14 intermediate frame guide leg Part 15 Screw hole 16 Connection part of support frame 17 Support frame 18 Horizontal position adjustment bolt 19 Load chain 20 Grooved roller 21 Equipment block 22 Handle 23 Handle 24 Operation panel 25 Rear wheel 26 Front wheel 27 Motor 28 Drive chain 29 Lower shaft 30 Drive sprocket 31 Upper shaft 32 Driven sprocket 33 Lifting chain 34 Roller 35 Nut body 36 Operation handle 37 Horizontal pivot 38 Upper auxiliary plate part 39 Lower auxiliary plate part 40 Reel for power supply 41 Operation handle 42 Projection of equipment block Part 43 receiving hole portion of the vertical position adjusting bolt

Claims (4)

[Claims] 1. A pair of left and right masts 3 and 4 mounted on the carrier body 2.
And a load-carrying device-equipped transport vehicle in which the load-carrying device 1 is vertically mounted on the masts 3 and 4. 2. An intermediate frame 10 is arranged on the upper surface side of an elevating arm 7 which is vertically driven along a pair of left and right masts 3, and a support frame 17 of the load feeding device 1 is arranged on the upper surface side of the intermediate frame 10. Then, one end of the intermediate frame 10 in the left-right direction is pivotally attached to the bearing base 40 of the elevating arm 7 by the horizontal pivot shaft 37 in the front-rear direction, and the vertical position adjusting bolt 9 rotatably attached to the elevating arm 7 is attached to the intermediate frame 10. The shaft hole 12 is provided in the left and right wall portions 13 of the intermediate frame 10 by screwing into the screw hole portion 8 provided on the bottom surface side of the other end portion, and the connection portion 16 is provided on the bottom surface side of the support frame 17. Left and right position adjustment bolt 18 screwed into the screw hole 15 in the left and right direction of the
2. The transport vehicle with a lifting / lowering load feeding device according to claim 1, wherein the horizontal position adjusting bolt 18 is supported by the wall portion 13 so as not to move in the left-right direction. 3. The carrier with an elevator load feeder according to claim 1, wherein a plurality of load receivers 5, 5 are provided on the load feed chain 19 of the load feeder 1 at right angles to the traveling direction. 4. The carrier with a lifting / lowering load feeder according to claim 1, wherein a grooved roller 20 is provided on a delivery side of the load feeder 1 with a device block storage shelf.