JPS5936050B2 - Sieve residue scraping device for waterway dust remover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sieve sludge scraping device for a waterway dust remover installed in a sewage channel, an irrigation canal, or the like.

Conventionally used dust removers can be roughly divided into three types: surface scraping type, medium scraping type, and full diameter type, depending on the positional relationship of the sieve residue scraping device to the dust removal grid installed across the flow path. being classified.

Among these, the so-called full-diameter type has a sieve residue scraping device installed downstream of the dust removal grid, so it is difficult to scrape up the dust in the flow path.
C. It's convenient.

However, there are cases in which the garbage has various properties such as hardness, softness, shape, etc., and does not easily come off even after being scraped up by the scraping device, making it extremely difficult to discharge it.

For this reason, a wiper device that slides into contact with the rake that constitutes the raking device is often installed, or a pendulum-type gravity lever set is often used.

Such a pendulum-type [[lever set] is made by moving the rake, causing one end of the lever to collide with one end of the wiper scraping blade, and lifting the wiper that slides against the rake to scrape the wiper over the rake. The blade part slides in the direction in which the sieve residue falls.

The scraping contact trajectory can be set freely, and the mechanism is simple, so it is inexpensive and takes up little space, so it is widely used.

However, due to the hardness, shape, degree of adhesion, etc. of the sieve residue on the rake, the wiper tip does not always come into contact with the rake soil surface and often rides directly on the sieve.

Also, depending on the size of the object that has been completely ridden, the remaining circumference will be i:
~ is often possible.

Furthermore, since the wiper scraper blade slides on the rake, the sieve residue is pressed against the rake.
There is a drawback that flat cloth, paper, vinyl, etc., or string-like objects become entangled or wrap around the rake, making it extremely difficult to wipe the sieve residue.

SUMMARY OF THE INVENTION An object of the present invention is to provide a device for smoothly removing sieve residue from a dust removal grate and a scraping rake.

This invention will be explained with reference to figures of embodiments.

FIG. 1 shows a view of the upper part of the dust remover during scraping of sieve residue, and FIG. 2 shows a view of the swinging arm away from the grid.

The screen par 1 is vertically tensioned with the bottom of the channel by means of tension bolts 3 attached to an upper frame 2 provided horizontally above the channel, and is disposed within the waterway mountain to form a bar screen.

. The water flow in the water channel is directed from the A side of Screen Par 1 to the B side, and the sieve residue 4 is blocked on the A side (front side) of Screen Par 1.
Chikuru.

On the B side (rear side) of the screen par 1, the rake 5 is fixed to the rake frame 6, and the rake frame 6 is connected to the swinging guide arm 7.
It is fitted so that it can be raised and lowered freely.

A lifting rope 8 is connected to the rake frame 6, and this lifting rope 8
Wrap it around the rope sheep 9.

The rope sheep 9 and the swing guide arm 7 are rotatably fitted onto the support shaft 10.

An electric cylinder is provided on the rear side of the bar screen, and the swinging guide arm 7 is swung by this cylinder.

On the A side of screen par 1, a chute 11 is installed above the water surface so as to be swingable via a hinge 12.
Always lean one edge of 1 against screen par 1.

Wiping bars 13 arranged in rows in a rake shape are provided above the chute 11 so that their tips pass through the gap between the screeners 1.

The base of this wiping bar 13 is implanted in parallel to the lower part of the lever 15 through which the support shaft 14 passes.

The upper end of the upper end lever 15 (C) connects one end of the connecting lever 17 via the pin 16 in a flexible manner.

On the other hand, above the swinging guide arm 7! - The piece 19 is fixed, and the piece 19 and the connecting lever 17 are bent and connected via the pin 18.

The hinge 12 and the support shaft 14 are fixed to a frame cover 20 provided on the upstream side of the screener 1.

The sieve residue 4 in the flowing water of the channel is blocked by the screener 1 or its A side.

A rake frame 6 is pulled by a rope 8 and raised by guiding an arm 7 arranged substantially parallel to the screen par 1.

By the rising rake frame 6, the tip of the rake 5 scrapes upward the sieve residue 4 blocked by the screener 1.

When the rake 5 and the rake frame 6 reach the upper end of their ascending and descending strokes, the traction by the rope 8 is stopped and the arm 7 is swung away from position C in FIG. 1 to position D in FIG. 2.

The tilting arm 7 can retract the tip of the rake 5 protruding upstream of the screen par 1 in the downstream direction, so that the sieve residue 4 on the rake 5 can be swept away by the screen par 1, and the rake 5 can be removed when descending. Prevent interference with chute 11.

The swinging wiping bar 13 wipes off the sieve residue 4 attached to the screen 1.

The chute 11 allows the ascending rake 5 for lifting up the sieve sludge 4 to pass freely, and guides the sieve sludge 4 swept away from the sumo wrestler to a place away from the screener 1.

After the arm 7 is tilted to the D position by the electric cylinder, when the rope 8 is loosened, the rake 5 and the rake frame 6 are pushed down by the arm 7 due to their own weight.

When the rake frame 6 reaches the lowering end, the arm 7 is tilted in the direction C, and the rake 5 penetrates into the gap between the screeners 1.

The sieve residue 4 is removed by repeating the above action.

As described above, in this invention, a vehicle type dust remover is provided with a rotary chute that contacts the upstream side of the screener and a swingable rake guide arm, so that when the rake rises, the chute is tilted and the rake descends. Since the rake is retracted during the screener in a cyclical motion, it is now possible to automatically discharge the sieve residue onto the chute.

[Brief explanation of the drawing]

FIG. 1 is a view of the upper part of the dust remover according to the embodiment of the present invention while sieve residue is being scraped up, and FIG. 2 is a view of the above-mentioned swing arm being tilted. 1... Screen par, 5... Rake, 6... Rake frame, 7... Arm, 11... Shoot, 13...
...Wiping bar, 14...shaft, 15...upper end lever.

Claims (1)

[Claims] 1. A horizontal beam installed in the soil of the channel at almost right angles to the channel,
A bar screen consisting of a plurality of bars stretched vertically with tension from the horizontal beam to the bottom of the flow channel at approximately equal intervals; a guide arm provided on the downstream side (rear side) of the flow channel with respect to the bar screen; It consists of a rake truck that moves up and down at 7G on a guide arm, and a chute for discharging sieve residue installed on the downstream side (front side) of the flow path with respect to the bar screen.
A rake installed on a rake truck protrudes from the rear side of the bar screen to the front side through the gap, and as the rake truck rises, the rake moves 7G to the bar screen and rises, thereby scraping the sieve residue that has adhered to the front surface of the bar screen. In the case where the discharge chute is swingably held by a rotating shaft provided in front of the bar screen, one free end of the chute is usually held by the bar screen, and the chute soil surface is placed in front of the bar screen. A sieve sludge scraper of a waterway dust remover characterized in that the sieve sludge in the chute is discharged by the tip of the rake pushing up the lower part of the free end of the chute as the rake rises. Lifting device.