JP2003312482A - Operation device for carriage provided with function for taking-in and lifting - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily conduct a taking-in operation and a carrying operation for a grain bag or the like on a measuring table. <P>SOLUTION: A pair of left and right travel wheels 2, 2 is provided in an open-in-front and U-shaped body frame 1 rear part, treading bodies 3, 3 are provided in left and right tips of the body frame 1, a lift frame 4 is erected in the rear central part of the body frame 1, a fork 6 projected frontwards in an elevatable elevating body 5 front face along the lift frame 4, a pair of left and right handlevers 7, 7 for manipulation brought into a substantially horizontal condition in travel under where a body frame 1 front part is lifted up, and a pair of left and right handgrips 8, 8, for taking a mounted load in, brought into a substantially horizontal condition in installation in which the treading bodies 3, 3 are grounded are provided in the body rear part to facilitate the taking-in, the carrying operation and the taking-out of the mounted load. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating device for a transporting vehicle which is constructed so that a grain bag mounted on, for example, a weighing table can be directly taken in and transported by a transporting vehicle having a fork at the front. is there.

[0002]

2. Description of the Related Art As a vehicle having this kind of loading function, the applicant of the present invention has already developed the utility model 4-15601.
There is one described in the publication. In this conventional technology,
In addition to having a fork in the front part that can take in grain bags, etc., it is equipped with single-axis left and right wheels and an operation handle, and the operation of the handles makes it easy to take in and transport the grain bags on the weighing platform with a simple configuration. Is something that can be done. However, with this technology, it is only possible to take in and carry the grain bag, and after carrying it, it is necessary to bend over and lift the grain bag to be mounted on the fork at a low position, which is a weak work. It was a tough task for the person.

[0003]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned drawbacks of the prior art, and provides a lift function to a carrier having a loading function to take out a grain bag after transportation. The purpose of the present invention is to improve the operability in spite of the fact that the subsequent processing is easily performed and the machine body weight is increased due to the lift function.

[0004]

According to a first aspect of the present invention, a pair of left and right running wheels 2 and 2 are provided at a rear portion of a body frame 1 having a front opening U shape, and a grounding body is provided at left and right ends of the body frame 1. 3 and 3 are provided, and a lift frame 4 is erected in the center of the rear part of the machine body frame 1, and a fork 6 projecting forward is provided on the front surface of an elevating body 5 which is vertically movable along the lift frame 4.
A pair of left and right steering handles 7 and 7, which are substantially horizontal when traveling with the front part of the body frame 1 being lifted, and the front grounding bodies 3 and 3 are grounded, are substantially horizontal when installed. The operating device for a transporting vehicle is provided with a loading and lifting function, which is provided with a pair of left and right loading handles 8,8. According to the second aspect of the invention, the interval between the pair of left and right intake handles 8, 8 is narrower than the interval between the pair of left and right steering handles 7, 7.

[0005]

When carrying the work of the grain bag 12 to be weighed in a grain sorting and weighing machine, for example, the bag supporting convex portion 11 and the fork projecting upward on the weighing platform 9 for weighing. 6
The bag cradle 10 having the recess 13 into which the bag can be inserted is placed to carry out the weighing bag packing work, and then the fork 6 of the carrier A is put into the bag cradle 1
The fork 6 is slightly floated while the grain bag 12 is taken in on the fork 6 while being inserted into the recess 13 of 0. When this is taken in, the transport vehicle A is driven by the rolling of a pair of left and right traveling wheels 2 and 2 mounted on the rear of the body frame 1 having a U-shaped front opening.
Is moved forward, and the fork 6 provided on the front surface of the elevating body 5 which can be raised and lowered along the lift frame 4 standing upright on the rear portion of the machine body frame 1 is inserted into the recess 13 of the bag receiving base 10 described above. Next, the fork 6 is floated and the grain bag 12 is taken in on the fork 6. The grain bag 12 usually has a weight of 30 kg, and in some regions 60 kg. Requires a large operating force.

At the start of taking-in, that is, when the U-shaped machine body frame 1 is in a stationary state where the grounding bodies 3, 3 at the left and right ends are grounded, the operator holds the taking-in handles 8, 8 in a substantially horizontal state in a natural posture. The machine body frame 1 is rotated around the traveling wheels 2 and 2 by pushing down and pushing down, the grain bag 12 which is a heavy load is loaded on the fork 6, and the grounding body 3,
3 can be lifted from the ground plane. In this state, the carrier A is pulled backward and separated from the weighing platform 9, and the bag mouth of the grain bag 12 is closed. Next, at the time of carrying out the transportation work, as in the above, the take-in handles 8 and 8 are pushed down to rotate the machine body frame 1 around the traveling shafts 2 and 2 and the front part of the machine body is floated. The grain bag 12 mounted on the fork 6 is tilted backward, and the center of gravity of the entire machine body is moved to a position above the traveling wheels 2 and 2 to maintain a front-rear balance. With the rearward tilting of the machine, the upper steering handles 7, 7 move to a horizontal position suitable for operation. Therefore, an operator switches from the take-in handles 8, 8 to the steering handles 7, 7 to move heavy objects. It can be easily transported.

During this transportation or after transportation to a predetermined position, the lifting / lowering body 5 is raised to raise the grain bag 12 on the fork 6 provided on the front surface thereof to a predetermined height, which is a heavy object. The grain bag 12 is positioned at the waist level of the worker or at the shoulder level without bending the waist.
Can be taken out. The grounding bodies 13 and 13 support the front part of the machine body. However, if the grounding bodies 13 and 13 are composed of wheels, the work of inserting the fork 6 into the recess 13 of the bag receiving base 10 can be easily performed by a manual pushing operation. .

[0008]

Since the present invention is configured as described above, it is possible to take in a loaded object on the fork 6 and carry it by hand, and further to drive the elevating body 5 to take out the loaded object with a high height. By lifting it up, the worker can work in a comfortable posture without bending his or her waist. or,
At the rear of the fuselage, the body frame 1 is a pair of left and right steering handles 7, 7 that are substantially horizontal when the front portion is lifted and the grounding bodies 3 and 3 at the front are grounded. Since the take-in handles 8 and 8 are provided, a heavy weight can be easily taken in on the fork 6 when the operator puts his / her weight on the take-up handles 8 and 8 and pushes down the take-in handles 8 and 8 at the time of taking in. In addition, when transporting the aircraft by tilting it backward, the steering handles 7, 7 that are substantially horizontal at this time
It is possible to carry out stable transportation work while holding. According to the second aspect of the invention, the left and right intake handles 8,
Since the interval of 8 is made narrower than the interval of the steering handles 7 and 7, it is easier to push down the intake handles 8 and 8 with weight.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described by taking an example of a work of transporting a grain bag after weighing bags in a vertical grain sorting and weighing machine. The vertical grain sorting and weighing machine B is a conventionally known one, which feeds unpolished brown rice from the hopper 16 and, while lifting the grain by the internal fried helix, leaks waste grains from the surrounding sorting net. Only the sized grain is fried and fed to the upper tank 17, and the grain bag 12 on the weighing platform 9 is filled and fed. Further, when the filling amount becomes a predetermined weight, the shutter 18 is closed, the sized grain to be fried is stored in the tank 17, and the grain bag 12 is taken out from the weighing platform 9 during that period. Reference numeral 19 is a pair of left and right caster wheels, and 20 is an adjuster bolt for leveling. On the weighing table 9, flat convex portions 11 for supporting the bag that project upward are provided at the center, left and right,
Further, the concave portion 13 into which the fork 6 can be inserted is provided with the central convex portion 11
The bag holders 10 on the left and right are mounted. 21 is an adjuster bolt for leveling out, which is provided at the four corners of the bottom surface.

Next, the structure of the transport vehicle A will be described. The plane-shaped front body U-shaped machine frame 1 is the rear frame 1
a and the left and right side frames 1 with a wider space than the weighing platform 9
The b and 1b are integrally formed by bending a round pipe material. Also, the left and right side frames 1b, 1b, which are slightly spaced from the rear frame 1a, are attached to the mounting brackets 22, 22.
And the wheel pipe 23 is welded between the brackets 22 and 22 to reinforce the machine body frame 1, and the wheel pipes 23 rotatably support the left and right running wheels 2 and 2. The tip ends of the side frames 1b, 1b are bent downward, and their lower ends are grounding bodies 3,3.
In the illustrated example, the grounding bodies 3 and 3 are connected to the side frames 1b and 1b.
It is composed of front wheels 3 and 3 which are pivotally supported by b. Further, the front wheels 3 and 3 are located outside the traveling wheels 2 and 2. Therefore, the front wheels 3 and 3 are located on the outermost side of the machine body, and the driving operation is easy.

Reference numerals 24 and 24 denote connecting plates, which form a frame between the rear frame 1a and the foil pipe 23, and the lower part of the lift frame 4 is welded and erected between the left and right connecting plates 24 and 24. The lift frame 4
A square pipe frame 25 in the front part and a U-shaped frame 26 in the rear part are placed by vertically arranging a moving space 28 such as a chain between them and welding the lower parts to the connecting plates 24, 24. The upper ends are connected by a connecting frame 29. The upper rear surface of the connecting frame 29 has a slanting cut surface 57 so that it does not hinder the cord tying work of the bag mouth, which will be described later, from the rear of the machine body. Reference numeral 30 is a motor, and 31 is a reduction gear box, both of which are integrally connected, and the gear box 31 is attached to a connection plate 32 between the rear frame 1a and the wheel pipe 23. The output of the motor 30 is decelerated by the worm wheel deceleration mechanism in the gear box 31, and its output shaft 33 is connected to the connecting plate 2
A pipe 34, which is welded between the Nos. 4 and 32, penetrates through the pipe 34 so that its end is located between the connecting plates 24, 24, and a drive sprocket 35 is axially attached. Further, the connecting frame 29 above the lift frame 4 is formed in an upper lid shape, and the driven sprocket 36 is mounted on the shaft.

The elevating body 5 moves up and down along the square pipe frame 25, and two rolls 38, 38 with collars are provided at two upper and lower positions on the front side and the upper rear side of an elevating frame 37 surrounding the square pipe 25.
Is rotatably mounted on the square pipe frame 25 so as to be rollable along the front and rear faces of the square pipe frame 25 so that it can be moved up and down. A chain 27 is wound between the drive sprocket 35 and the driven sprocket 36, one end of the chain 27 is connected to the rear connecting frame 39 of the elevating frame 37 from above, and the other end of the chain 27 is elevating the frame 3.
It is connected to the bottom of 7. The specific configuration will be described. A sliding rod 41 is inserted from below into a U-shaped mounting frame 40 attached to the lower part of the elevating frame 37, and a spring 42 is interposed to direct the sliding rod 41 upward. The spring 27 is connected to the chain 27 at the lower end of the sliding rod 41.
By the elastic force of 2, it is configured to be able to absorb the shock during up-and-down driving.

On the front surface of the elevating frame 37, the base of the fork 6 is attached by bending it upward. The fork 6 has a narrow left and right support rod 4 whose tip is bent into a U shape by a rod.
In addition to being constituted by 3, 43, a pair of left and right is provided on both sides of the elevating frame 37. Further, the forward projection length of the forks 6 and 6 is such that the tip of the side frame 1b extends to the substantially central position of the weighing table 9 while the bag receiving table placed on the weighing table 9 is placed. The length of the grain bag 12 is set to correspond to the entire length of the bag 10, and the grain bag 12 can be taken in from below by inserting it into the recess 13 of the bag holder 10. 56 is a cover, fork 6
The mounting part of is covered. Reference numeral 44 denotes a bag receiving rod, which is an elevating frame 3
7 is bent and extended forward and upward from both upper ends, and its receiving portion is formed in a curved shape along the shape of the grain bag 12.

On one side of the U-shaped frame 26, the lifting body 5 is raised,
An upper limit switch 45 and a lower limit switch 46 that detect the descending end position and intermittently drive the motor 30;
An intermediate limit switch 47 is provided for detecting the bag tie position suitable for closing the bag mouth of the grain bag 12 and cutting off the drive of the motor 30. Reference numeral 48 denotes a cam plate for operating the limit switch which projects from the rear part of the elevating frame 37. The limit switches 45, 46, 47 are configured such that their vertical mounting height positions can be changed according to working conditions. Again 4
Reference numerals 9 and 49 denote covers, which are formed in a box shape and cover the right and left outer sides of the square pipe frame 25, the moving space 28, and the U-shaped frame 26. A start switch 50 starts the motor 30 and continues driving until the limit switches 45, 46, 47 are detected. In addition, 51 is a battery for power supply, which sandwiches the lift frame 4 in the center,
0 and the left and right sides of the gear box 31. or,
The battery 51, the motor 30, and the gear box 31, which are these heavy objects, are arranged at a low position on the wheel pipe 23 that pivotally supports the traveling wheels 2 and 2, and are configured to maintain the front-rear balance even when the machine body tilts. I am doing it. A control box 52 for control is mounted on a mounting frame 53 on the motor 30.

The pair of left and right steering handles 7, 7 are formed integrally by bending a pipe rod, and the center thereof is fixed to the upper rear surface of the lift frame 4 by a stopper 53. The steering handles 7 and 7 are wide as wide as the aircraft to open rearward to facilitate the steering operation, and are inclined rearward and upward when the aircraft is in a stationary state in which the front wheels 2 and 3 are grounded. The control handle 7, which has been extended, is used when the vehicle is tilted backward with the traveling wheels 2, 2 as the center and the front wheels 3, 3 are floated.
7 is configured to be substantially horizontal. Steering wheel 7,
Intake handles 8, 8 are welded to the lower surface near the base portion of 7, and the intake handles 8, 8 extend horizontally from the mounting portion to the rear side and in parallel to the left and right. .
Therefore, the intake handles 8, 8 are
The width is narrower than that of 7, and horizontally protrudes rearward when the machine body is stationary, so that the operator can easily push down the handles 8 by applying weight.

The front wheels 3 and 3 are cast products, and the left and right side frames 1b, 1b are substantially below the side frames 1b, 1b.
Weights 54, 5 made of cast thick plates similar to 1b width
4 is attached. Front wheels 3,3 made of these castings
The weights 54, 54 prevent the machine body from toppling backward due to the reaction when the grain bag 12 that is lifted to a position where the operator can easily take it out by the lifting of the lifting body 5 is picked up. As shown in FIGS. 7 to 9, the stoppers 14 and 14 are provided at the front and rear central portions of the weighing platform 9, and are suitable for the front wheels 3 and 3 of the forward traveling vehicle A to be in a predetermined position, that is, to take in the grain bag 12. The vehicle is stopped at the position, and the collision of the carrier A with the weighing platform 9 can be prevented. The stoppers 14, 1
4 is a narrow mounting plate 5 whose bases are fastened together to the left and right adjuster bolts 20, 20 of the vertical grain sorting and weighing machine B.
It is composed of a round bar which is welded to the front ends of the wheels 5, 55 at right angles to the front wheels 3, 3. The stoppers 14, 14 may be attached to other members such as the weighing platform 9.

10 and 11, the stoppers 14 and 14 are provided with arc-shaped guide members 15 and 15 for bending a flat plate at the tips of the mounting plates 55 and 55. The bodies 15 and 15 regulate and guide the rising height of the front wheels 3 and 3 when the grain bag 12 is taken in,
The excessive rearward leaning of the carrier A is regulated, and the grain bag 12 on the fork 6 is prevented from coming into contact with the shutter 18 or the like of the vertical grain weighing and sorting machine B. The guide plate 15 may also function as the stopper 14.

For example, when the grain bag 12 to be packed in a weighing bag is carried by a grain sorting and weighing machine, the weighing platform 9 for weighing is used.
A bag holder 10 provided with a convex portion 11 for supporting a bag protruding upward and a concave portion 13 into which the fork 6 can be inserted is placed for weighing bag filling work, and then the fork 6 of the carrier A is held on the bag holder. 10
The fork 6 is slightly floated while the grain bag 12 is taken in on the fork 6. When this is taken in, the carrier A is moved forward by rolling a pair of left and right traveling wheels 2 and 2 which are mounted on the rear portion of the body frame 1 having a front opening U shape, and a lift frame 4 standing upright on the rear portion of the body frame 1. The fork 6 provided on the front surface of the elevating body 5 which can be raised and lowered along the above is inserted into the concave portion 13 of the bag receiving base 10 described above. next,
The fork 6 is floated and the grain bag 12 is taken in on the fork 6, but the grain bag 12 usually has a weight of 30 kg, and in some regions 60 kg, and the weight of the lifting body 5 is also added, which is large for the taking-in work. Requires operating power.

At the start of taking-in, that is, when the U-shaped body frame 1 is in a stationary state where the grounding bodies 3 and 3 at the left and right ends are grounded, the operator holds the taking-in handles 8 and 8 in a substantially horizontal state in a natural posture. The machine body frame 1 is rotated around the traveling wheels 2 and 2 by pushing down and pushing down, the grain bag 12 which is a heavy load is loaded on the fork 6, and the grounding body 3,
3 can be lifted from the ground plane. In this state, the carrier A is pulled backward and separated from the weighing platform 9, and the bag mouth of the grain bag 12 is closed. Next, at the time of carrying out the transportation work, as in the above, the take-in handles 8 and 8 are pushed down to rotate the machine body frame 1 around the traveling shafts 2 and 2 and the front part of the machine body is floated. The grain bag 12 mounted on the fork 6 is tilted backward, and the center of gravity of the entire machine body is moved to a position above the traveling wheels 2 and 2 to maintain a front-rear balance. With the rearward tilting of the machine, the upper steering handles 7, 7 move to a horizontal position suitable for operation. Therefore, an operator switches from the take-in handles 8, 8 to the steering handles 7, 7 to move heavy objects. It can be easily transported. During this transportation, or after transportation to a predetermined position, the lifting / lowering body 5 is raised to raise the grain bag 12 on the fork 6 provided on the front surface thereof to a predetermined height, and the grain bag which is a heavy weight bag. Position the fork 12 at the waist level of the worker or the shoulder level and bend the waist without bending the fork 6
It can be taken out from above.

[Brief description of drawings]

FIG. 1 is a side view.

FIG. 2 is a plan view.

FIG. 3 is a front view.

FIG. 4 is a side sectional view.

FIG. 5 is an enlarged side sectional view of a main part.

FIG. 6 is a front view of a main part.

FIG. 7 is a side view showing a working state.

FIG. 8 is a side view showing a working state.

FIG. 9 is a side view showing a transportation work state.

FIG. 10 is a side view showing another embodiment.

FIG. 11 is a plan view thereof.

[Explanation of symbols]

1 Airframe frame 2 running wheels 3 grounding body 4 lift frame 5 Lifting body 6 forks 7 Steering handle 8 Handle for taking in A carrier B Vertical grain sorting and weighing machine

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kazuyoshi Kawamoto             1-2-5 Kinzan, Matsuyama-shi, Ehime Co., Ltd.             In Atex (72) Inventor Hirokazu Sakai             1-2-5 Kinzan, Matsuyama-shi, Ehime Co., Ltd.             In Atex F term (reference) 3D050 AA01 BB06 BB23 BB26 DD01                       EE08 EE15 EE18 GG00 HH06                 3F333 AA03 AB07 BD05 CA19 DA02                       DA08

Claims (2)

[Claims] 1. A pair of left and right running wheels (2) and (2) are provided at the rear of a machine body frame (1) having a front opening U shape, and ground bodies (3) and (2) are provided at the left and right ends of the machine body frame (1). 3) is provided, and also
A lift frame (4) is provided upright in the center of the rear part of the machine body frame (1), and a fork (6) projecting forward is provided on the front surface of an elevating body (5) that can be raised and lowered along the lift frame (4). At the same time, a pair of left and right steering handles (7) and (7), which are substantially horizontal when traveling with the front portion of the body frame (1) being lifted, and the grounding bodies (3) and (3) on the front portion are provided in the rear portion of the body. An operating device for a transporting vehicle having a loading and lifting function, which is provided with a pair of right and left loaded object loading handles (8) and (8) that are substantially horizontal when installed on the ground. 2. A pair of right and left intake handles (8),
The interval of (8) is set to the pair of left and right steering handles (7),
The operating device for a transporting vehicle having a loading and lifting function according to claim 1, wherein the operating device is narrower than the interval (7).