JPH0213390Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Industrial application field] The present invention is designed to store 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. The present 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 has 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 conveyor or other conveyance device 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 Since it is a constant speed, it should be constant, but in reality, the conveyance load amount of the conveyance device at the dispensing port section 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. Must have. The length of the transport device is generally 50 to 100 m.
This increases the conveyance width, resulting in an increase in price and an increase in installation space, resulting in a huge loss.

[Structure of the invention] The present invention has been made to solve the above-mentioned conventional problems.According to the present invention, the stored material discharged by the scraper is placed below the scraper of the mobile stored material dispensing device. A falling reverse feed device is provided, so that even if the dispensing device reciprocates, the stored items fall from one location that is virtually immovable with respect to the conveyance device. transport using its full capacity.

That is, according to the present invention, a discharge port is provided at the bottom of the silo, and a cone is provided at the top of the discharge port,
A dispensing device is provided that repeatedly reciprocates in a straight line over the discharge port to discharge the stored material with a scraper, and the device travels in one direction below the dispensing device to convey the stored material discharged by the dispensing device. In a mobile stored material dispensing device equipped with a conveyance device, a traveling trolley is installed which travels while being guided by a pair of traveling rails, and the lower part of the traveling trolley has a bending section that rotates mutually and one side is open. At the dispensing position, there is a pair of flat dog-shaped scrapers whose other side closes to become a neutral position, and a pair of scrapers are provided below the scrapers, and the stored material discharged by the scrapers falls and the traveling cart moves in the forward direction. A reversing device is provided which repeats the reciprocating motion at the same speed as the traveling trolley in the opposite direction when moving in the opposite direction, and when the traveling trolley moves in the backward direction at the same speed as the traveling trolley in the opposite direction. , the reversing device consists of a conveyor that repeatedly moves back and forth.

[Operation of the invention] The conveyance device 5, 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 9a and 9b 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.

At this time, the stored items discharged by the scrapers 9a and 9b of the dispensing device 4 first fall onto the reverse feed device 16 before falling onto the conveyance device 5. Reverse feed device 16
is running in the opposite direction at the same speed as the dispensing device 4, so the stored material is transported to the transport device 5, which is virtually stationary.
It will fall from place. Therefore, when the dispensing device 4 travels back and forth, the dispensing device 5 can perform dispensing to the full capacity of the dispensing device 5, which is traveling in a fixed direction at a constant speed.

[Embodiments] Hereinafter, embodiments of the present invention will be described 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 conveying device, that is, a conveyor. The conveyor 5 is installed below the dispensing device 4, and is adapted to convey the stored items dispensed by the dispensing device 4, and moves in the direction of the arrow.

FIG. 2 and FIG. 3 show details of the mobile stored material dispensing device 4, and the dispensing device 4 is connected to traveling rails 3a, 3b.
It has a traveling trolley 6 equipped with traveling wheels 7 that roll on top, and the traveling wheels 7 are driven by a traveling motor 8,
Then, the traveling motor 8 is switched between normal and reverse rotation by a limit switch or the like in the reverse position, so that the dispensing device 4 reciprocates.

A pair of scrapers 9a and 9b in a dogleg shape are provided at the bottom of the traveling cart 6, and constitute a dispensing means. freely supported shaft 1
0a and 10b, respectively. Further, the shafts 10a and 10b have sector gears 1 that mesh with each other.
1a and 11b are fixed, and further an adjustment arm 12 is fixed to one of the shafts, for example, shaft 10b. A rope 13 is connected to the tip of the adjustment arm 12, and the rope 13 is connected to the drums 1 provided on both sides of the dispensing device 4.
4a, 14b, and is wound around the drums 14a, 14b.
14b are adapted to be rotated by motors 15a and 15b, respectively. Therefore, in FIG. 3, when one drum 14a rotates in the direction to wind up the rope 13, the adjustment arm 12 and the shaft 10
b, sector gears 11a, 1 meshing with each other;
The right half of the scrapers 9a and 9b are opened via 1b to take the dispensing position, and the left half thereof is closed to take the neutral position. When the other drum 14b winds up the rope 13, the left half of the scrapers 9a, 9b 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 9a and 9b 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 times 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 15a and 15b of the scrapers 9a and 9b are alternately moved in the direction of winding the rope 13 in conjunction with the motor 8 that runs the motor 8 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
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.
A reverse feed device 16 is provided below b to allow the stored materials discharged by the scrapers 9a and 9b to fall. The reverse feed device is a reverse conveyor 16 in the embodiment shown in FIGS. . This switching may be done by reversing the direction of rotation of the motor pulley 17 of the reverse feed conveyor 16 in conjunction with the reversal of the traveling direction of the traveling carriage 6 by a limit switch or the like. In this way, reverse feed conveyor 1
6 and run in the opposite direction at the same speed as the traveling trolley 6, so that even if the dispensing device 4 reciprocates, the accumulated material disposed of by the scrapers 9a and 9b will not move toward the transport conveyor 5. During the forward and backward movements, it is as if they are falling at one place each, and the forward and backward movement of the dispensing device 4 with respect to the transport conveyor 5 is made.
Even if the relative speeds during reverse travel are different, the conveyor 5 can always deliver to its full capacity.

[Effects of the invention] As explained above, according to the invention, the mobile stored material dispensing device is provided with a reverse feed device through which the stored materials discharged by the scraper fall; Since the vehicle travels at the same speed and in the opposite direction as the traveling vehicle equipped with Even if the dispensing device travels at a constant speed in a fixed direction, the dispensing device can always perform dispensing with the full capacity of the conveying device even if the dispensing device repeats reciprocating operations, and the accumulated materials can be efficiently disbursed and conveyed. Further, the intended purpose can be achieved by simply adding a reverse feed device to the dispensing device without modifying the conveying device.

[Brief explanation of the drawing]

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 show the reversing device, where A is a plan view and B is a side view. DESCRIPTION OF SYMBOLS 1... Silo, 2... Cone, 2'... Cone support beam, 3a, 3b... Traveling rail, 4... Mobile stored material dispensing device, 5... Conveyor, 6... Running cart, 7... ...Traveling wheel, 8... Traveling motor, 9
a, 9b...scraper, 10a, 10b...
Shaft, 11a, 11b... Sector gear, 12... Adjustment arm, 13... Rope, 14a, 14b...
Drum, 15a, 15b...Scraper operating motor, 16...Reverse feed conveyor, 17...Motor pulley, 18a, 18b...Pin rack, 19a,
19b...Drive sprocket.

Claims (1)

[Scope of utility model registration request] A discharge port is provided at the bottom of the silo, a cone is provided above the discharge port, and a dispensing device is provided that repeatedly reciprocates in a straight line over the discharging port to discharge the accumulated material with a scraper. In a mobile stored material dispensing device equipped with a conveying device that travels in one direction to transport stored materials dispensed by the dispensing device, a traveling cart is provided that travels while being guided by a pair of traveling rails. A pair of flat dog-shaped scrapers are installed below the traveling cart, and the scrapers rotate with each other at the bending part, and one side opens to the dispensing position and the other side closes to the neutral position. When the stored material discharged by the scraper falls and the traveling trolley moves in the forward direction, it moves at the same speed as the traveling trolley in the opposite direction, and when the traveling trolley moves in the backward direction, it moves at the same speed as the running trolley. A mobile stored material dispensing device characterized in that it is provided with a reverse feeding device that repeats reciprocating motion in the opposite forward direction, and that the reverse feeding device is a conveyor that repeats reciprocating motion.