JPS6139701Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a continuous unloader, and more particularly to an improvement in the scraping section at the tip of the boom in the unloader.

Figure 1 shows the scraping section at the tip of the boom in a conventional continuous unloader. A horizontal screw 4 for scraping bulk material is attached to a shaft 5 at the lower end of the vertical frame 2.
The screw 4 is driven by a drive device 6 installed at one end of the transverse beam 3 through appropriately arranged wheels 7 and chains 8. Furthermore, a conveyor belt 10 with a lug is looped between a pulley 9 attached to the other end of the horizontal frame 3 and a pulley on the upper end of the boom 1. A loop-shaped seal belt 11 is attached along the carrier side of the conveyor belt 10, and further inside the seal belt 11, a portion of the conveyor belt 10 in contact with the carrier side is pushed toward the carrier side of the conveyor belt 10. A suitable number of support rollers 12 are provided for attachment, so that the bulk material received by the conveyor belt 10 can be conveyed upward without falling. 13 is a guide roller of the conveyor belt 10.

However, when using such a continuous unloader to carry out grain loading and unloading operations, Milo,
In the case of relatively fluid grains such as maize, it can be scraped smoothly with the horizontal screw 4, but in the case of difficult-to-flow grains such as soybean meal, there are gaps on both sides of the horizontal screw 4. This caused the horizontal screw 4 to spin idly, making it impossible to scrape as desired. Therefore, a device has been developed that is equipped with a scraping and scraping device that scrapes the bulk material on both sides of the horizontal screw 4 and scrapes the scraped bulk material in the direction of the horizontal screw 4. However, in general, the amount of soybean meal handled is often very small compared to milo, maize, etc., and having a constant scraping and scraping device installed would be disadvantageous in terms of capacity, workability, safety, etc. .

In view of these circumstances, the present invention was devised to provide a continuous unloader equipped with a scraping and scraping device that can be easily attached and detached on site depending on the type of material being handled. In a continuous unloader that scrapes bulk material with a pick-up tool and transports the scraped bulk material to the boom base side using a conveying device, on both sides of the scraping tool,
Scraping paddles for scraping the bulk material and raking it toward the scraping tool are disposed facing each other via a connecting arm, and the lower ends of support rods are attached to both ends of the connecting arm, respectively. It is characterized in that the upper end and the intermediate part of the connecting arm are detachably supported at an appropriate position at the tip of the boom using a pin, and the scraping and scraping tool can be driven.

Hereinafter, an embodiment of the present invention will be described based on FIG. In FIG. 2, the same reference numerals as in FIG. 1 indicate the same parts.

In the bulk material scraping section of the continuous unloader shown in FIG. 1, paddles 14a are provided on both sides of the horizontal screw 4 for scraping the bulk materials located on both sides of the horizontal screw 4 and scraping them toward the horizontal screw 4. , 14b facing each other, and both ends of the paddle shafts 15a, 15b of the paddles 14a, 14b are supported and connected to a connecting arm 17 having an intermediate portion removably attached to a lower end of the vertical frame 2 with a pin 16. , and one end of support rods 18a, 18b is attached to both ends of the connecting arm 17, and the other ends of the support rods 18a, 18b are provided as brackets 19a, 19b protruding from appropriate positions on both sides of the vertical frame 2.
Pins 20a and 20b are removably attached to the paddles 14a and 14b to form an attachment system.
In the figure, 21 is a paddle protector.

The drive mechanism for the paddles 14a, 14b is as shown in FIGS. 3 and 4. That is, at the end of the horizontal screw shaft 5, a drive side sprocket 22a,
22b are removably arranged in parallel using a wedge-type coupling 25, and one driving side sprocket 22b and one driven side sprocket 23b attached to one paddle shaft 15b are connected by a driving chain 24b, and the other driving side sprocket 22b is connected to a driven side sprocket 23b attached to one paddle shaft 15b. 22a is connected to a driven sprocket 23a provided adjacent to the other paddle shaft 15a using a drive chain 24a, and a reversing gear 26 is provided on the shaft of the driven sprocket 23a, and the gear 26 is connected to the paddle shaft 15a.
The paddle 14 is meshed with the gear 27 attached to the horizontal screw 4, and the paddle 14 is
a, 15a are constructed so that they can be rotated together.

With this configuration, when the drive device 6 is driven, the horizontal screw 4 rotates via each wheel 7 and chain 8, and at the same time, the drive side sprocket 22a attached to the horizontal screw shaft 5 rotates the chain 24a, the driven side sprocket 23a,
The paddle 14a can be driven through the gears 26 and 27, and the paddle 14b can be driven by the other driving sprocket 22b attached to the horizontal screw shaft 5 through the chain 24b and the driven sprocket 23b.

Therefore, even if the bulk cargo to be handled is a difficult-to-flow grain such as soybean meal, since the paddles 14a and 14b are arranged on both sides of the horizontal screw 4, the bulk cargo located on both sides of the horizontal screw 4 can be handled by the paddles. 14a and 14b, the bulk material can be scraped one after another toward the horizontal screw 4, and no gap is formed on the outer periphery of the horizontal screw 4, as in the conventional case, and the bulk material can be scraped off smoothly.

If the bulk material to be handled has fluidity, the pin 16 at the center of the connecting arm 17 should be pulled out from the lower end of the vertical frame 2, and the support rod 18 should be removed.
Remove the pins 20a, 20b at the ends a, 18b from the brackets 19a, 19b, and then attach the drive side sprocket 22a, which is attached to the 5 end of the horizontal screw shaft.
22b by loosening each bolt of the wedge-type coupling 25, and in this way remove the paddles 14a, 14.
b can be removed from the tip of the unloader, and cargo handling operations can be carried out in the same manner as the conventional one as shown in FIG. In other words, normally, bulk materials that are handled in large quantities and have a high flowability are handled in the same manner as before, and bulk materials that are difficult to flow are handled on-site by connecting the connecting arm 17. The central part is attached to the lower end of the vertical frame 2 using a pin 16, and each support rod 18
Work is carried out with the ends of sprockets a and 18b mounted and supported on brackets 19a and 19b using pins 20a and 20b, and drive side sprockets 22a and 22b using wedge-type couplings 25, respectively.

In the case of the present invention, since the paddles 14a, 14b, etc. are attached to the tip of the boom 1 using an attachment method, the work of attaching the drive side sprockets 22a, 22b to the horizontal screw shaft 5 can be simplified and facilitated. Although necessary, this problem is solved by the flexibility of the chains 24a, 24b themselves and the centering mechanism of the wedge-type coupling 25. At this time, if the mutual misalignment of the shafts is large, an automatic tightener (a device that automatically adjusts the amount of chain deflection) may be provided in the chains 24a and 24b to deal with the problem.

By the way, in the above embodiment, by receiving the driving force from the driving device 6 for the horizontal screw 4 and using the reversing gear 26, the paddles 14a,
14b is rotated (reversely), but the drive chain 24a may be wound around in a figure 8 shape without using the reversing gear 26.
It goes without saying that a completely separate drive device may be used, and that various other changes may be made without departing from the gist of the present invention.

As mentioned above, according to the present invention, the scraping paddle for scraping bulk materials and raking them toward the scraping tool is removably attached to the tip of the boom using an attachment method, making it easier to handle bulk materials. Correspondingly, the scraping paddles can be attached and removed on site, and when attached, the paddles are placed on both sides of the scraping tool, so they can effectively scrape bulk materials located on both sides of the scraping tool. It can be broken down and scraped together,
It can produce excellent effects such as being advantageous in terms of capacity, workability, safety, etc. compared to the conventional method.

[Brief explanation of the drawing]

Fig. 1 is a side view showing the scraping section of a conventional continuous unloader, Fig. 2 is a side view showing the scraping section of the continuous unloader of the present invention, and Fig. 3 is an explanatory side view of the paddle drive mechanism. , FIG. 4 is a plan view of FIG. 3. 1...Boom, 2...Vertical frame, 4...Horizontal screw, 10...Transport belt, 14a, 14
b...Paddle, 16, 20a, 20b...Pin,
17... Connection arm, 18a, 18b... Support rod, 22a, 22b... Drive side sprocket,
23a, 23b...driven side sprocket, 24
a, 24b...Drive side chain.

Claims (1)

[Scope of utility model registration request] In a continuous unloader, the bulk material is scraped off by a bulk material scraping device provided at the tip of the boom, and the scraped bulk material is transported to the boom base side by a conveying device. In addition, scraping and scraping paddles for scraping the bulk material and scraping it toward the scraping tool are arranged facing each other via a connecting arm, and lower ends of support rods are attached to both ends of the connecting arm, respectively. A continuous unloader characterized in that the upper end of each support rod and the intermediate portion of the connecting arm are detachably supported at an appropriate position at the tip of the boom using pins, and the paddle is driven.