JPH0224734B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention is a method for storing lumps such as coal, granular materials such as grains, and powdery materials (hereinafter referred to as stored materials) in a storage facility such as a silo. This invention relates to a dispensing device that moves back and forth in a straight line for dispensing from.

[Prior art] A movable stored material dispensing device having a discharge port at the bottom and repeating linear reciprocating motion is provided at the discharge port, and the stored material discharged by the dispensing device is conveyed below the dispensing device. The present applicant previously filed a patent application for a storage facility equipped with a conveyor or other conveyance device for the purpose of carrying out this process (see Japanese Patent Laid-Open Publication No. 158079/1983).

According to this technology, the stored material can be discharged stably without clogging the discharge port unlike conventional stored material equipment in which the discharge port is provided with an on-off valve or the like.

[Problems to be solved by the invention] By the way, in the stored material equipment for which the patent application was previously applied, the transport device such as a conveyor is operated at a constant speed in one direction (forward direction), whereas the mobile stored material dispensing device is operated at a constant speed in one direction (forward direction). Since the device is operated at a constant speed in two directions (forward and reverse directions), the relative speed of the mobile accumulated material dispensing device to the transport device during forward and reverse transport is different, and therefore the transport capacity of the transport device is should be constant because it is a constant speed, but the current situation is that the conveying load capacity of the conveying device at the dispensing port is different when the mobile stored material dispensing device is in normal operation and in reverse operation. .

For this reason, in conventional apparatuses, in order to ensure the conveying capacity of the conveying apparatus at the dispensing port, the capacity of the conveying apparatus is determined according to the slower relative speed.
However, if the speed of the transport device is constant, the transport capacity of the transport device must be changed by changing the transport width. For example, if the speed of the transport device is 60 m/
min, and in an actual machine where the speed of the mobile stored material dispensing device is 10 m/min, the relative speed ratio of the mobile stored material dispensing device to the conveying device during forward and reverse operation is 1.4, so the belt width is made 1.4 times wider. There must be. And the captain of the transport device is generally 50 to 100
The length of the conveyor belt is as long as 1.5 m, which inevitably leads to an increase in price and an increase in installation space due to the increase in conveyance width, resulting in a significant loss.

[Structure of the Invention] The present invention has been made to solve the above-mentioned conventional problems, and does not require any modification to a conveyor or other conveyor for transporting stored materials discharged by a mobile stored matter dispensing device. By simply adding a mechanism that changes the dispensing amount of the mobile accumulated material dispensing device in relation to its reciprocating motion, the capabilities of the conveying device can be fully utilized during both the forward and backward movements of the dispensing device. This is how it was done.

That is, according to the present invention, the silo body has a discharge port at the bottom and a cone extending in the longitudinal direction above the discharge port, and the silo body has a cone extending in the longitudinal direction above the discharge port, and the silo body repeats linear reciprocating motion along the rail at the top of the discharge port. A storage facility equipped with a mobile stored material dispensing device that discharges stored material to a discharge port, and a conveying device that runs in one direction to convey the discharged stored material below the mobile stored material dispensing device. The material equipment is equipped with a pair of planar dog-shaped scrapers that mutually rotate at the bending part so that one end opens at the dispensing position and the other end closes at the neutral position. Dispensing amount control means is provided to at least increase the dispensing amount during forward movement in the same direction as the transporting direction, and to increase the dispensing amount during backward movement in the opposite direction to the traveling direction of the conveying device.

Further, in carrying out the present invention, when the dispensing amount control means moves in the same direction as the traveling direction of the conveying device 5, the opening angle of the scrapers 8a and 8b is made small to reduce the dispensing amount. When the scrapers 8a and 8b are moved in the opposite direction to the traveling direction, the opening angle of the scrapers 8a and 8b is increased to increase the dispensing amount.

Furthermore, in the embodiment of the present invention, the height of the scrapers 8a and 8b on the backward movement side, in which the dispensing amount control means moves in the opposite direction to the traveling direction of the conveying device 5, moves in the same direction as the traveling direction of the conveying device 5. The height of the scrapers 8a and 8b on the forward moving side is set higher than that of the scrapers 8a and 8b, and the dispensing device 4 is configured such that the dispensing amount when the dispensing device 4 moves in the backward direction is larger than the dispensing amount when moving in the forward direction. This includes scrapers 8a and 8b.
Height adjusting plates 15a, 15b may be attached to the plates 15a, 15b so as to be adjustable, so that the heights of one side and the other side of the scrapers 8a, 8b can be changed.

[Operation of the invention] The conveyance device 4 such as a conveyor travels in one direction (forward direction) at a constant speed. On the other hand, the mobile stored product dispensing device 4 moves at a constant speed in two directions (forward and reverse directions). The scrapers 8a and 8b of the dispensing device 4 are opened on the moving direction side of the dispensing device 4 and set to the dispensing position, and the stored materials are discharged from the stored material equipment 1 such as a silo, and the stored materials discharged by the dispensing device 4 are transferred to the conveying device 5. It falls and is transported by the transport device 5 to an appropriate location outside the storage equipment 1.

When the moving direction of the dispensing device 4 is in the same direction as the traveling direction of the conveying device 5 as shown in FIG. few. Furthermore, when the dispensing device 4 moves in the opposite direction as shown in FIG. There will be more. This means that the scrapers 8a and 8 shown in FIG.
This can also be achieved by changing the height of the scrapers 8a, 8b between the forward moving side and the reverse moving side of the dispensing device 4 using height adjusting plates 15a, 15b attached to the dispensing device 4. As a result, even in the storage facility 1 equipped with the reciprocating storage material dispensing device 4 in which the relative speeds of the dispensing device 4 with respect to the transport device 5 during forward and reverse travel are different, the capability of the transport device 5 can be fully utilized.

[Examples] Examples of the present invention will be described below with reference to the drawings.

Fig. 1 shows a stored material facility with a built-in mobile stored material dispensing device, where 1 is a silo main body with a discharge port at the bottom, 2 is a cone provided at the top of the discharge port, and is a cone that extends in the longitudinal direction of the silo 1. It extends, and a pair of running rails 3a and 3b are installed therein.
What is generally indicated by 4 is a mobile stored material dispensing device, which is connected to traveling rails 3a, 3b via its traveling wheels.
It is suspended from the sky and travels back and forth. Reference numeral 5 denotes a conveyor, and the conveyor 5 is installed below the dispensing device 4, and is adapted to convey the accumulated material dispensed by the dispensing device 4, and moves in the direction of the arrow.

FIG. 2 and FIG. 3 show the details of the mobile stored material dispensing device 4, and the traveling wheels 6 that move on the traveling rails 3a and 3b are driven by a traveling motor 7, and the traveling motor 7 is in an inverted position when a limit switch, etc. The rotation is switched between normal and reverse rotation, so that the dispensing device 4 reciprocates.

A pair of planar dog-shaped scrapers 8a, 8b are provided at the bottom of the mobile stored material dispensing device 4, and constitute a dispensing means. They are each fixed to shafts 9a and 9b rotatably supported by the machine frame. Furthermore, sector gears 10a and 10b that mesh with each other are fixed to the shafts 9a and 9b, and further an adjustment arm 1 is attached to one of the shafts, for example, the shaft 9b.
1 is fixed. A rope 12 is connected to the tip of the adjustment arm 11.
2 is wound around drums 13a and 13b provided on both sides of the dispensing device 4, respectively.
a and 13b are adapted to be rotated by motors 14a and 14b, respectively. These axes 9
a, 9b, sector gears 10a, 10b, adjustment arm 11, rope 12, drums 13a, 13b, and motors 14a, 14b constitute a dispensing amount control means as described later. Therefore, in FIG. 3, when one drum 13a rotates in the direction to wind up the rope 12, the right half of the scrapers 8a, 8b is opened via the adjusting arm 11, the shaft 9b, and the sector gears 10a, 10b that are meshed with each other. It becomes the payout position, and the left half is closed to become the neutral position. When the other drum 13b winds up the rope 12, the left half of the scrapers 8a, 8b is opened to be in the dispensing position, and the right half is closed to be in the neutral position.

Of course, the side of the dispensing position where the scrapers 8a and 8b are open is the side in the moving direction of the mobile stored material dispensing device 4, but this switching is
This is done in conjunction with the switching from the forward direction to the reverse direction and from the reverse direction to the forward direction. This includes the dispensing device 4
The motors 14a and 14b of the scrapers 8a and 8b are alternately moved in the direction of winding the rope 12 in conjunction with the movement of the travel motor 7 which is switched from forward rotation to reverse rotation and from reverse rotation to forward rotation by a limit switch or the like in the reverse position. Just rotate it.

By the way, as mentioned above, the conveyor 5 is operated at a constant speed in one direction (forward direction), whereas the mobile stored material dispensing device 4 is operated at a constant speed in two directions (forward and reverse directions). , the relative speed of the dispensing device 4 during forward and reverse operation with respect to the conveyor 5 is different,
For this reason, the conveyance capacity of the conveyor 5 at the dispensing port section is different when the dispensing device 4 is operated in the forward direction and when it is operated in the reverse direction.

That is, when the mobile stored material dispensing device 4 moves in the forward direction (the direction in which the conveyor runs), the relative speed with respect to the conveyor 5 is small, and when the dispensing device 4 moves in the opposite direction (in the direction opposite to the direction in which the conveyor runs), the relative speed is small. The relative speed with the conveyor 5 increases.
Now, the payout amount of the payout device 4 is the same during the reciprocation, and the conveyance capacity of the conveyor 5 is the same as that of the payout device 4.
If the conveyance capacity is set to the conveyance capacity when moving in the forward direction (the running direction of the conveyor), the conveyance capacity of the conveyor 5 is too large when the dispensing device 4 moves in the reverse direction (the direction opposite to the running direction of the conveyor), which is uneconomical. Furthermore, if the conveyance capacity of the conveyor 5 is set to the conveyance capacity when the dispensing device 4 moves in the reverse direction, the dispensing amount will exceed the conveying capacity of the conveyor 5 when the dispensing device 4 moves in the forward direction.

Therefore, as shown in FIG.
The opening angle (opening width) of the scrapers 8a and 8b is changed. That is, the dispensing device 4 shown in FIG.
When the scrapers 8a and 8b move in the same direction as the traveling direction of the conveying device 5, the opening angles of the scrapers 8a and 8b are made small, and the scrapers 8a and 8b take out a relatively small width X with the accumulated material, and the amount taken out is relatively small. Further, when the dispensing device 4 shown in FIG.
Increase the opening angle of scraper 8b, and scraper 8a, 8
In b, the stored material is dispensed with a relatively large width Y, and the dispensed amount is relatively large. In this way, scraper 8
To change the opening angle of a and 8b, use the drum 13
The amount of winding of the rope 12 by a and 13b may be changed in relation to the movement of the dispensing device 4 in the forward and reverse directions.

In addition, in order to change the dispensing amount of the mobile stored material dispensing device 4 in relation to its forward and reverse movement, a height adjusting plate 1 is attached to the scrapers 8a and 8b as shown in FIG.
5a and 15b are installed, and the adjustment plate 15
This can be done by changing the heights of a and 15b. The height adjusting plates 15a and 15b constitute a dispensing amount control means. In other words, the dispensing device 4
Adjustment plates 15a and 15 adjust the height of the scraper on the opposite direction moving side, which moves in the opposite direction to the traveling direction of the conveying device 5.
By b, the height of the scraper on the forward moving side where the dispensing device 4 moves in the same direction as the traveling direction of the conveyance device 5 is set higher, and the dispensing amount is increased. In this case, the opening angles of the scrapers 8a and 8b can be made the same both when the dispensing device 4 moves in the forward and reverse directions. The height adjustment of the adjustment plates 15a, 15b may be performed manually or automatically.

[Effects of the Invention] As explained above, according to the present invention, the mobile stored material dispensing device reduces the dispensing amount when it moves in the same direction as the traveling direction of the conveying device, and reduces the dispensing amount. Since the payout amount is increased when moving in the opposite direction to the traveling direction,
Even if the relative speed of the dispensing device with respect to the conveyance device during forward and reverse movement is different, the stored matter can always be discharged with the conveying capacity of the conveyance device at its full, and the stored matter can be efficiently conveyed. In this case, according to the present invention, it is possible to change the dispensing amount in the forward and reverse movement directions by simply providing the dispensing amount control means on the scraper without making any modifications to the conveying device, and even with a simple mechanism, it is possible to change the dispensing amount in the forward and reverse directions. It is possible to achieve the objectives of

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view of a stored material facility incorporating a mobile stored material dispensing device;
Figures 2 and 3 show details of the mobile stored material dispensing device, with Figure 2 being a front view, Figure 3 being a plan view, and Figure 4 being a top view.
Figures A and B are plan views showing how the scraper of the mobile stored material dispensing device operates. 1...silo, 2...cone, 2'...cone support beam,
3a, 3b... Traveling rail, 4... Mobile stored material dispensing device, 5... Conveying device, 6... Traveling wheel, 7... Traveling motor, 8a, 8b... Scraper, 9a, 9b...
Shaft, 10a, 10b... Sector gear, 11... Adjustment arm, 12... Rope, 13a, 13b... Drum,
14a, 14b...Scraper operating motor, 15
a, 15b...height adjustment plate, 16a, 16b... pin rack, 17a, 17b... drive sprocket.

Claims (1)

[Claims] 1. A silo body having a discharge port at the bottom and a cone extending in the longitudinal direction above the discharge port, and a silo that repeats linear reciprocating motion along a rail above the discharge port. A storage facility equipped with a mobile stored material dispensing device that discharges stored material to a discharge port, and a conveying device that runs in one direction to convey the discharged stored material below the mobile stored material dispensing device. The material equipment is equipped with a pair of planar dog-shaped scrapers that mutually rotate at the bending part so that one side opens to a dispensing position and the other side closes to a neutral position. Dispensing amount control means is provided to reduce the dispensing amount during forward movement in the same direction, and to increase the dispensing amount during backward movement in the opposite direction to the traveling direction of the conveying device. Mobile stored material dispensing device. 2. When the dispensing amount control means moves in the same direction as the traveling direction of the conveying device, the opening angle of the scraper is made small to reduce the dispensing amount, and when the dispensing amount control means moves in the opposite direction to the traveling direction of the conveying device, it reduces the dispensing amount. 2. The mobile stored material dispensing device according to claim 1, wherein the device is configured to increase the amount of dispensing by increasing the opening angle of the scraper during movement. 3. The height of the scraper on the backward moving side in which the payout amount control means moves in the opposite direction to the traveling direction of the conveying device is higher than the height of the scraper on the forward moving side that moves in the same direction as the traveling direction of the conveying device. The accumulated material dispensing device according to claim 1, wherein the dispensing device is configured such that the dispensing amount when the dispensing device moves in the backward direction is larger than the dispensing amount when the dispensing device moves in the forward direction. .