JPS6264772A - Hopper with weight measuring mechanism of content - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] 1 (Field of Application in Industry-1): The present invention relates to a hopper with a measuring mechanism for the contents, which allows the weight of the contents remaining in the hopper to be measured. It is something.

(Prior Art) Conventional hoppers with which the remaining amount of contents can be ascertained include those provided with a vertically long window or connected with a transparent communication pipe.

<Problems to be solved by the invention> However, since the above-mentioned hopper determines the remaining amount of contents at the content level, it is not possible to accurately determine the contents in units of weight, and the hopper is relatively small. Limited to hoppers.

If the remaining amount of the contents can only be determined by volume, it may not be possible to manage the storage amount rationally. For example, at a poultry farm, feed stored in a hopper is taken out and fed manually or automatically by a feeding robot to a predetermined weight, so it is necessary to know the remaining amount of feed in the hopper in units of weight. It is hoped that

<First Step for Solving the Problems> The present invention was proposed in view of item 1-1, in which the lower portions of a plurality of columns fixed to the hopper are each fixed to a movable base, and In this method, a plurality of swinging rods are arranged to be swingably supported by a fixed base part, and the force point part provided on each swinging rod is pivotally connected to the movable base indicated by L, and the application point part provided on the swinging rod is A load concentration mechanism is provided which comes into contact with the pressure receiving members provided on the fixed base, and the pressure receiving members of the load concentration mechanism are connected to a pressure sensor.

<Function> The present invention collects the load of the hopper and contents distributed on each support column onto a pressure receiving member using a load concentration mechanism, and electrically processes a signal from a pressure sensor operated by the pressing force of this pressure receiving member. , the content remaining in the hopper is determined in weight units.

<Example> The present invention will be described below based on an example in which the present invention is used as a feed hopper for storing feed in a poultry farm.

The hopper body 1 of the bait hopper shown in FIG.
It is connected to a feeding device (not shown) in the poultry house via a chute 4 connected to the poultry house.

5. Four pipe-shaped supports that support the main body of the pump.
5... is a force part, a part of which is fixed by welding or the like to the outer surface of the main body of the pump, and a part of the steel material is fixed as shown in FIG.
C+ assembled in a - shape (each fixed to the end of the moving base 6 by a fixture 7 such as a U-shaped bolt. Therefore,
The entire load of the hopper body l and its contents is applied to the movable base 6. The load applied to the movable base 6 is collected and detected at a location by a load concentration mechanism 9 provided on the fixed foundation 8, h installed on the ground.

The fixed foundation part 8 consists of four foundation columns 10, to..., one end of which is buried in foundation concrete poured into the ground.
The ends of a fixed base 11 made of steel in a 1-shape are fixed with fixtures 12 made of U-shaped bolts, etc. By installing each foundation column 10 below the pillar 5 of the hopper body 1, the fixed base 11 is fixed. 11 and the movable base 6 are arranged to face each other downward with a gap between them.

The load concentration mechanism 9 provided in the fixed base part 8-h includes a horizontally long swinging rod 13 having a length S of approximately half of each base 6.11 in the gap between the fixed base 11 and the movable base 6. base 6
．． Four swinging rods 11 are arranged radially around the intersection of the two swinging rods 11, and the middle of the length of each swinging rod 13 is connected to the fixed base 11, and the outer end of each swinging rod 13 is connected to the movable base 6. A point of action 14 in the form of a protrusion extending toward the L direction provided at the inner end of each swinging rod 13 is in contact with the lower surface of the plate-shaped pressure receiving portion 16 of the pressure receiving member 15, respectively. The force point gB17 connecting the movable base 6 and the swinging rod 13 is provided by a pair of force point stays 18°18 having a through hole vertically disposed from one side of the movable base 6, and the above-mentioned force point gB18 is provided on the side surface of the swinging rod 13. A through hole with a slightly larger diameter than the hole is opened, and the outer end of the swinging rod 13 faces between the force point stays 18 and 18, and the support shaft 1 has an edge portion inside the through hole and the through hole.
It passes through 9. In addition, the fulcrum part 20 that supports the swinging rod 13 in the middle of its length has a pair of fulcrum stays 21.21 having through holes installed on the two sides of the fixed base 11, and the fulcrum stays 21.21 of the fulcrum stays 21. A support shaft 22 having an edge portion is passed through the through hole and the through hole of the swinging rod 13. When the swinging rod 13 is supported by the support shafts 19 and 22 that connect the edge portion 41 in this way, the frictional resistance of the support shafts, etc. is reduced when the swinging rod 13 swings, and accurate load is transmitted. Weighing accuracy can be improved. Note that the ratio of the length from the force point part 17 to the fulcrum part 20 and the length from the fulcrum part 20 to the action point part 14 is 1.
It is set to 10. Therefore, when a load is applied to the force point part 17 of the swinging rod 13 from the support 5, etc., the force with which the force point part 14 of the swinging rod I3 presses the pressure receiving part 16 is applied to the force point part 17 due to the principle of leverage. It becomes one-tenth of the applied force.

The pressure receiving member 15 integrates the forces of the application point portions 14 of each swinging rod 13 and applies them to the pressure sensor 23. A rotary rod 25 is rotatably supported in the middle of its length, a pressure receiving part 16 is fixed to the tip of the rotary rod 25, and a pressure sensor 23 senses the pressure part 26 at the rear end of the rotary rod 25. It is in contact with the pressure part. Note that the portion that rotatably supports the rotating rod 25 is the support shaft 2 having an edge portion, similar to the swinging rod 13.
7 to reduce rotational resistance. In the embodiment shown in the drawings, the ratio of the length of the pressure receiving part 16 to the shaft support part and the length of the shaft support part to the pressing part 26 is set to 1:7.
It is set to .

Therefore, the pressure receiving member 15 presses the pressure sensor 23 with one-seventh of the force concentrated on the pressure receiving portion 16 based on the principle of leverage.

The pressure sensor 23 can be a known sensor that sends out an electrical signal corresponding to the force pressed by the pressing part 26 of the pressure receiving member 15, and is installed on the beam 28L constructed between the foundation columns 10. It is electrically connected to a known electrical control device (not shown) such as a microcomputer having an arithmetic function.

-1- In the bait hopper having the configuration described above, the input port 2
When bait is put into the hopper body 1, the total weight of the loaded bait and the weight of the hopper body 1 is distributed to the four wooden supports 5, and the load applied to each support 5 and the movable base 6 1/4 of the weight acts on the force point portion 17 of each swinging rod 13 and is supported by the fulcrum portion 20. therefore,
The hopper main body 1, the four wooden supports 5, and the movable base 6 are supported and stabilized by the four force points 17 spaced apart in a rectangular manner, and will not fall down due to earthquakes, typhoons, or the like.

As described above, the load applied to the force point portion 17 of each swinging rod 13 is reduced to one-tenth by the lever principle, and the direction is changed to press the lower surface of the pressure receiving portion 16 in the opposite direction.

Since the application point portions 14 of all four swing rods 13 are in contact with the pressure receiving portion 16, the load is integrated into a load corresponding to the total force of the hopper and contents, etc., which were distributed at four locations. . That is, a force of 1/10 of the total load of the weight of the fed bait, the weight of the hopper body 1, and the weight of the movable base 6 is applied to the pressure receiving portion 16. The load applied to the pressure receiving part 16 is reduced to one-seventh by the pressure receiving member 15 and its direction is changed, thereby pressurizing the pressure sensor 23. That is, pressure sensor 2
3 is pressed with a force that is 1/70th of the total load of the weight of the fed bait, the weight of the hopper body 1, and the weight of the movable base 6. The pressed pressure sensor 23 outputs a signal according to the pressure and sends it to the electrical control device. The electric control device that receives this signal calculates the weight of the bait in the hopper body 1 according to a preset program, and displays it digitally or prints it out. Therefore, it is possible to grasp the amount of bait put into the hopper body l in units of weight.

When the feeding device is operated to feed the chickens in the poultry house, the amount of food in the hopper body 1 gradually decreases, but the weight of the food in the hopper body 1, the weight of the hopper body 1, and the support 5 Since the pressure sensor 23 outputs an electric signal according to the total load of the weight and the weight of the movable base 60, the amount of bait remaining in the hopper body 1 can always be accurately grasped in weight units.

In addition, the swinging rod 13 may be provided with a fulcrum portion 20 at its outer end and a force point portion 17 in the middle of its length. In this case, the swinging rod 1
Since the action point portion 14 provided at the inner tip of the swing rod 3 acts downward, the pressing portion of each swinging rod 13 may be brought into contact with the -L surface of the pressure receiving portion 16. In short, any structure may be used as long as the directions of the pressure receiving surfaces of the pressure receiving member 15 and the pressure sensor 23 are set in accordance with the direction of the load.

Further, although the above embodiment is a case of a newly installed hopper, the present invention can be easily applied to an existing hopper in which the lower end portion of the column supporting the hopper body is buried in the foundation concrete. In this case, after completing the work such as attaching the fixed base 11 and movable base 6 to the lower part of the column and installing the load concentration mechanism 9 between the movable base 6 and fixed base 11, it is buried in the foundation concrete. What is necessary is to cut the lower part of the support column between the fixture of the movable base 6 and the fixture of the fixed base 11.

<Effects of the Invention> As explained above, according to the present invention, the amount of content remaining in the hopper body can be determined in weight units. Therefore, in feed storage hoppers at poultry farms, etc.,
The remaining amount of contents can be determined in weight units, allowing accurate and rational management at all times.

Furthermore, the present invention has an extremely wide range of applications because the contents may be liquid, powder, or granular.

Furthermore, since the hopper according to the present invention supports the side portions of the plurality of supports, it has excellent stability, and moreover, the load of the hopper and the contents inside the hopper, which is distributed over the plurality of supports, can be concentrated by the load concentration mechanism. Since the pressure sensor is caused to act on the pressure sensor, the sensitivity to weight changes can be made more acute than when a pressure sensor is provided for each support.

Furthermore, the present invention can be implemented regardless of whether it is newly installed or an existing installation, so it has extremely high practical value.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a perspective view, Fig. 2 is a perspective view of the main parts, Fig. 3 is a side view of the load concentration mechanism, and Fig. 4 is shown in Fig. 2. Partially cutaway plan view of main parts 5th
The figure is an enlarged view of the section AA in FIG. 4. l...hopper body, 3...outlet, 5...post,
6... Movable base, 8... Fixed foundation part, 9... Load concentration mechanism, 10... Foundation column, ll... Fixed base, 13... Swinging rod, 14... Action Point part, 15...
Pressure receiving member, 16... Pressure receiving part, 17... Force point part, 23
...Pressure sensor, 25...Rotating rod.

Claims (1)

[Claims] In a hopper that discharges contents from an outlet, the lower portions of a plurality of columns fixed to the hopper body are each fixed to a movable base, and a fixed foundation is provided below the movable base. A plurality of horizontally elongated swinging rods are arranged so as to be swingably supported by a section, the force point of each swinging rod is pivotally connected to the movable base, and the action point of the swinging rod is provided on the fixed base. A load concentration mechanism is provided which contacts each of the pressure receiving members, the pressure receiving members of the load concentration mechanism are connected to a pressure sensor, and the weight of the contents in the hopper is measured by an electric signal from the pressure sensor. A hopper with a mechanism for measuring the weight of contents.