JPS6038731Y2 - dust remover - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a dust remover that scrapes up and removes dirt and the like caught on a screen surface for blocking dirt installed in a waterway.

Conventionally, dust removers that scrape up and remove dirt and debris captured on the sloped screen surface for preventing garbage dams installed in waterways are equipped with a pair of guide rails that slope along the screen on the upstream side of the sloped screen. The rake, which ascends and descends while being guided by the pair of guide rails, scrapes up dust and the like captured on the screen surface and discharges it to the outside.

At this time, if there is a large amount of dust trapped on the screen surface or a large amount of sediment such as dust has accumulated on the bottom of the waterway below the screen surface, the rake will always rise with a constant pulling blade. Therefore, when the rake scoops up the garbage, an overload is applied to the rake, which causes damage to the rake and other drive mechanisms.

This idea was developed from the above-mentioned point of view, and even if there is dust trapped on the screen surface or a large amount of sediment deposited on the bottom of the channel, the rake will not be overloaded, and the rake and its drive mechanism will not be overloaded. It provides a dust remover that will not be damaged, and includes a loop-shaped guide rail installed upstream of a screen that traps dust in the waterway, and a rake that scrapes up and removes the dust caught by the screen. a dust remover comprising a truck that can be freely raised and lowered along the guide rail;
A middle portion of a rake arm having a rake fixed to the tip thereof is pivotally attached to the pedestal arm via a link, and a base end of the rake arm is attached to a guide rail having one end pivoted to the pedestal arm. The rake is movably mounted along the rake arm, and is characterized in that a tension spring is provided between the base end of the rake arm and the rake, and the rake is pressed against the screen by the spring.

This invention will be explained by way of examples with reference to the drawings.

FIG. 1 shows a schematic side view of an embodiment of the dust remover of this invention.

As shown in the drawing, the dust remover 1 is installed on the upstream side of a screen 2 that is installed in a waterway at an angle across the flow, and guide rails 3 are installed on both sides of the screen 2 at an angle parallel to the screen 2. It is erected.

The guide rail 3 has a loop shape and consists of an upstream rail 3a, a downstream rail 3b, and an extension rail 3C extending above the upstream rail 3a.
A pin rack 4 made up of a large number of pins is formed in parallel with this.

Reference numeral 5 denotes a truck to which a rake 6 is attached, and to the truck 5 are attached a driving roller 7 and a driven roller 8 which are fitted to the guide rail 3 so as to be freely movable.

A pinion 9 is provided coaxially with the drive roller rough, and the pinion 9 is engaged with the pin rack 4.

The cart 5 is provided with a motor (not shown) that rotationally drives the pinion 9. As the motor drives the pinion 9, the pinion 9 rotates and engages the pins of the pin rack 4 one after another, thereby raising and lowering the cart 5. .

Reference numeral 10 denotes a frame arm that pivots the shaft of the drive roller 7 and the shaft of the driven roller 8, and 11 connects the shaft of the drive roller 7 and the rake arm 6a of the rake 6 to a pin attached to the shaft of the drive roller 7 and the rake arm 6a. These are links that are pivotally connected to each other by pins 12 provided in the .

Reference numeral 13 denotes a guide arm whose one end is pivotally connected to the pedestal arm 10 by a pin 14, the other end is attached with a chenos sprocket 15, and a guide groove 13a is formed in the longitudinal direction, and the base of the rake arm 6a is A roller 16 attached to the end is rotatably fitted into the guide groove 13a.

Reference numeral 17 denotes a stopper provided on the link 11 attachment side of the gantry arm 10, and the stopper 17 prevents the link 11 from rotating beyond a certain angle.

Reference numeral 18 denotes a tension spring whose base end is fixed to the middle part of the rake arm 6a, a chain 19 is fixed to the tip of the spring 18, and the tip of the chain 19 is fixed to the base end of the rake arm 6a via the sprocket 15. .

Reference numeral 20 denotes a gate whose upper end is pivotally connected to the connecting portion between the upstream rail 3a and the downstream rail 3b;
0 blocks the upstream rail 3a and the downstream rail 3b in a steady state, and when the truck 5 moves and the drive roller 7 comes into contact with the gate 20, it is pushed open by the drive roller 7 and the upstream rail 5a and the downstream rail 5b.

Next, the operation of the dust remover of this invention will be explained.

The drive roller 7 and the driven roller 8 fit into the upstream side rail 3a of the guide rail 3, and the truck 5 is guided by the upstream side rail 3a by the rotation of the pinion 9 that engages with the pin rack 4 and descends.

Then, when the driving roller 7 reaches the lower part of the upstream rail 3a, the driving roller 7 is guided to the downstream rail 3b, and the driven roller 8 is fitted to the upstream rail 3a, and the bogie 5
is guided by the upstream rail 5a and the downstream rail 3b and rises.

At this time, the tip of the rake 6 comes into contact with the surface of the screen 2, and scrapes up and removes dust and the like captured on the screen surface.

In this way, the truck 5 rises while being guided by the upstream rail 3a and the downstream rail 3b, and when the driving roller 7 reaches the vicinity of the upper end of the downstream rail 3b, the driven roller 8 moves to the upper end of the upstream rail 3a. The drive roller 5c then pushes open the gate 20 and is guided to the upstream rail 3a.

Then, both the driving roller 7 and the driven roller 8 are fitted into the upstream rail 3a again, and the above-described operation is repeated.

In the above-described operation, if sediment 21 has accumulated on the bottom of the waterway as shown in FIG. Since the rake arm 6a is pivotally connected to the pedestal arm 10 by pins at the link 11 and the guide arm 13, the trolley 5 continues to move with the rake 6 in contact with the sediment 21, and the rake arm 6a and the pedestal arm 1
0, the link 11, and the guide arm 13 are in a deformed parallelogram, and the drive roller 7 is guided to the downstream rail 3b.

Therefore, even if the precipitate 21 is deposited on the truck 5, the truck 5 can move on to the upward movement without overloading the rake 6.

In addition, as shown in Figure 3, a large amount of garbage 2 was left on the screen 2.
2 is attached, the tip of the rake 6 hits a large amount of dust 22 and movement of the rake 6 is temporarily blocked, but the rake arm 6a is pressed against the screen 2 by the chino 19 via the spring 18. Therefore, rake arm 6
a is the guide groove 13 of the guide arm 13 against the spring 18 with the pin 12 to which the link 11 is pivotally connected as a fulcrum.
The screen 2 is guided by the roller 16 fitted to the screen 2 and moves, thereby deforming the parallelogram.
The truck 5 continues to rise with the tip of the rake 6 separated from the surface of the vehicle.

Therefore, even if a large amount of dust 22 is attached to the screen 2, the cart 5 can continue to rise without overloading the rake 6.

In this way, the trolley 5 that has avoided the large amount of dust 22 on the screen 2 returns its rake arm 6a to its original position due to the elastic force of the spring 8, and returns to its original parallelogram state and moves. Continue.

As mentioned above, according to the dust remover of this invention, even if there is a large amount of dust trapped on the screen surface or sediment deposited on the bottom of the waterway, the rake will not be overloaded. It is possible to smoothly scrape up and remove dust etc. captured on the screen without damaging the screen or its drive mechanism.Moreover, by attaching the rake via a spring, a protrusion by a spring is attached to the upper part of the rake arm. Since no dust is formed, the opening of the pond in which the dust remover is installed can be made smaller, and this brings about excellent industrial effects such as easier deodorization measures.

[Brief explanation of the drawing]

FIG. 1 is a schematic side view of an embodiment of this invention, and FIGS. 2 and 3 are side views showing the operating mode of the embodiment. In the drawings, 1...dust remover, 2...
Screen, 3...Guide rail, 4...
...Pin rack, 5...Dolly, 6...
Rake, 6a...Rake arm, 7...
・Drive roller, tail...Followed roller, 9...
・Pinion, 10... Frame arm, 11...
...Link, 12...Pin, 13...
・Guide arm, 14...Pin, 15...
...Sprocket, 16...Roller, 17...
...stopper, 18------ panel, 19.
...Chain, 20...Gate, 21.
... Sediment, 22 ... Dust.

Claims (1)

[Scope of utility model registration request] A loop-shaped guide rail provided on the upstream side of a screen that captures dirt in a waterway, and a rake that scrapes up and removes the dirt captured by the screen, and is movable up and down along the guide rail. A dust remover comprising a truck, the truck having a pedestal arm provided with a drive roller that removably fits into the guide rail,
A middle portion of a rake arm having a rake fixed to the tip thereof is pivotally attached to the pedestal arm via a link, and a base end of the rake arm is attached to a guide rail having one end pivoted to the pedestal arm. A dust remover, characterized in that the rake is movably attached to the screen, and the rake is pressed against the screen by a tension spring provided between the proximal end of the rake arm and the rake.