JPS61186606A - Automatic dust remover for water channel and the like - Google Patents

Abstract

PURPOSE:To prevent flow-out of refuse through simple constitution, by a method wherein an automatic dust remover is lifted up by a lifting device, and when lifted down, an auxiliary screen can be stretched for disposition between a main screen and a water bottom. CONSTITUTION:When a main screen 1 is lifted up by a lift-up device, a contact lever 18 is rotated centering around a support shaft 25, and is raised as an auxiliary screen 19 is pushed down. The pushed down auxiliary screen 19 is already rotated into a state in that it has moment in a front direction, and maintains a fall-down state. When the main screen 1 is immersed in a channel, the contact lever 18 is rotated as it pushes an arm 23, protruded in an inclined state, until moment of the auxiliary screen 19 is reversed. Thereafter, the auxiliary screen 19 is rotated for standing upright by means of a weight part 24, and the upper end of the back of the auxiliary screen 19 is forced into contact with the main screen 1 for a stop.

Description

[Detailed Description of the Invention] [Industrial Application Field] Taibanmoe is used to remove garbage and large solids captured by the dust removal screen provided to the Ichita *Kanike TFL, *Feast's filth. This invention relates to an automatic dust remover as a device for scraping and removing dirt.

[Prior art]

In this type of dust removal device, a chain drive is used to raise a scraping piece to scrape up and remove dirt and other debris that is caught on the surface of a main screen that is installed in the waterway with a steep slope that is close to vertical. An auxiliary screen is provided on the main screen or the waterway bottom to prevent debris from flowing downstream of the main screen from the gap between the lower end of the main screen and the water bottom.

[Problems with conventional technology]

When this auxiliary screen is attached to the main screen, if the main screen is configured to be pulled up from the waterway when not in use, the weight of the auxiliary screen will be applied when the main screen is pulled up and immersed, resulting in energy loss. was there.

In addition, when the auxiliary screen was attached to the bottom of the waterway, it became an obstacle to lifting and lowering the main screen.

It is conceivable to displace the attitude of the auxiliary screen in response to the raising and lowering of the main screen, but doing so manually is cumbersome, and it is not easy to manufacture and manage the auxiliary screen with a special displacement mechanism. There is a problem.

The present invention solves the above-mentioned conventional problems by displacing the auxiliary screen by lifting and lowering the main screen and immersing it in the movement.The present invention has a very hourly configuration and also maximizes the function of preventing the outflow of garbage. The purpose of the present invention is to provide an automatic dust remover with an auxiliary screen that can be used to remove dust.

[Means for solving problems]

The present invention includes a main screen provided in a waterway, an auxiliary screen supported in a gap between the main screen and the bottom of the water so that it can rise and fall, and an auxiliary screen that can be raised and lowered along the screen via an endless chain. In an automatic dust remover, the main screen is rotatably supported and can be lifted up by a lifting device. This is an automatic dust remover for waterways, etc., characterized in that the auxiliary screen can be placed between the main screen and the bottom of the water.

〔Example〕

An embodiment of the present invention will be described with reference to the drawings.

The frame 2.2 on which the main screen 1 consisting of a bar screen is attached is mounted on bases 3.2 on the bases on both sides of the waterway.
For example, a hanging roller 5 of a hoisting lobe 4, which is rotatably supported on a shaft and connected to a hoisting device (not shown) provided on a base, is placed at the lower upstream side (rotatable into a waterway). Main screen from the waterway to the atmosphere, and conversely from the atmosphere to the waterway.
It is movable.

Further, along the main screen 1, a rake 6 made of a steel plate as a scraping piece for garbage is arranged so as to be able to rise and fall via an endless chain 7, and its drive 9.9 is a frame 2.
Sprocket wheels 10, 11 for guiding the chain are provided at the upper end of the sprocket wheels 10, 11, which are always in the atmosphere.
Guide rails 12, 13, 14 are respectively provided on both frames 2.2. The chain 7 is arranged so that the rake 6 attached to the chain 7 makes the upstream side (front) of the main screen 1 the forward path (upward movement) and the downstream side (backward) of the main screen 1 the backward path (downward movement). It is hung and is made to run almost horizontally at the top by a sprocket wheel 10. That is, the guide rail 12.13 has an upper end connected to the upper sprocket wheel 10 and a lower end connected to the chain 7.
The guide rails 14 are provided on both sides to sandwich the chain 7 facing the lower sprocket wheel 11 for reversing the main screen 1 and on the upstream side of the main screen 1. It is provided on one side so as to support the chain 7 on the road.

Rake 6 is installed on guide rails 12, 13, and 14 w+q
Je J/l 2 M,! :, 11: 2? +Female Suz Knee --i 7 /TII+ '/Fixed to the chain 7, it circulates together with the chain 7, but its shape is similar to that of a comb-shaped part inserted between the bars of the main screen 1 on the downstream side during the outward trip. Formed at 16.

The upstream side is made of a bent flat plate with a large number of slits 17 formed therein.

Furthermore, abutting rods 18, 18 of an auxiliary screen 19, which will be described below, are provided protruding from the lower ends of the frames 2, 2.

An auxiliary screen 19 is rotatably supported by a base 20 at the bottom of the upstream side of the main screen 1 when it is rotatably disposed in the waterway. This auxiliary screen 19 is made of a steel plate with a large number of slits 21, and has a height and a width that can open and close the gap between the water channel bottom and the lower part of the main screen 1 when standing up (when operating). The upper end is bent toward the front side, and the back surface is formed into a curved part 22 (here,
When the auxiliary screen 19 is erected, the upstream side is called the front, and the downstream side is called the back). Furthermore, an arm 23 is provided at the base of the auxiliary screen 19 to project from the rear side of the auxiliary screen 19 at an acute angle θ, and a weight portion 24 is fixed to the tip of the arm 23.

The contact rod I8 rotates the auxiliary screen 19 from a position where its back surface contacts the front surface of the main screen 1 to a position where its back surface contacts the outer edge of the trajectory of the rake 6 in the operating state shown by the solid line in FIG. When the main screen 1 is pulled up and moved from the allowed and operating state to the rest state shown by the two-dot chain line in FIG.
It has a mounting position and shape. That is, auxiliary screen 1
9 is rotated by the abutting rod 18 to a position where a moment is generated toward the front side by the weight portion 24 when the main screen 1 is pulled up, and a moment is generated toward the rear side by the weight portion 24 when the main screen 1 is immersed. This is a configuration that is restrained in position.

In the figure, reference numerals 25 and 26 refer to a shaft support, 27 a shaft movement adjustment portion of the drive shaft 8, 28 a shaft cover, and 29 a stopper protruding from the side wall of the waterway, which is provided so as to be able to come into contact with the frame 2. 30 is a horizontal beam, and 31 is a recess provided at the bottom of the waterway.

It should be noted that a discharge mechanism is provided at the site where the debris falls from the rake 6, but is not shown in the figure.

In the operating state shown in FIG. 1, when the rake 6 is reversed by the sprocket wheel 11 and begins to rise, the rake 6 pushes the auxiliary screen 19 from behind against the restoring force of the weight part 24 with its front edge and rotates. Move,
A gap is formed through which the rake 6 passes. After the rake 2 has passed, the auxiliary screen 19 is closed again by the weight part 24. In this case, the curved portion 22 causes less shock when the auxiliary screen 19 returns, and even if the chain 7 is reversed, the curved portion also allows the lower member of the rake 6 to slide, allowing the rake 6 to pass downward. .

Furthermore, since the contact rod 18 also functions as a stopper that restricts the rotation range of the weight section 24, the auxiliary screen 19 always has a restoring force in the closing direction, and +/-h (knee 1+<
3:mI Nana-&f, 2/7'l:II:a-b-A<
There is no risk of snacking &'eTh.

Next, to explain the operation when pulling up and dipping the main screen 1, when the main screen 1 is pulled up by the lifting device,
The abutment rod 18 rotates around the support shaft 25 and rises while pushing down the auxiliary screen 19. The pushed-down auxiliary screen 19 has already been rotated to a state where it has a moment in the front direction, and maintains the fallen state. When the main screen 1 is immersed in the waterway, the abutting rod 18 rotates while pushing the arm 23 projecting in an inclined state toward the upstream side until the moment of the auxiliary screen 19 is reversed.

Thereafter, the auxiliary screen 19 is rotated and raised by the weight part 24, and the rear upper end of the auxiliary screen 19 comes into contact with the main screen 1 and stops, completing the deployment.

〔Effect of the invention〕

According to the present invention, it is possible to provide an automatic dust remover that lowers and raises an auxiliary screen by pulling up and lowering the main screen, with an extremely simple structure, and has great practical effects.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a side view, FIG. 2 is a cross-sectional view taken along the line II in FIG. 1, and FIG. 3 is a view taken along arrow A in FIG. 1- Main screen, 2- Frame, 3- Base, 4-
Rope, 5 - Roller, 6 - Rake, 7 - Chain, 8 - Drive shaft, 9, 10. 11 - Sprocket wheel, 15 - Roller, 16 - Comb-shaped part, 17 - Slit, 18 - Contact rod, 19 - Auxiliary screen, 20 - Base, 21 - Slit, 22 - Curved part, 23 - Arm, 2
4.-Weight section. Patent applicant Omote Iron Works Co., Ltd. Patent attorney
Masayuki Takagi, Patent Attorney, Yakushi Minoru, Patent Attorney, Yori 1) Takatsugu, Part 2, Figure 3

Claims (1)

[Claims] 1. A main screen provided in the waterway, an auxiliary screen supported so as to be able to rise and fall in the gap between the main screen and the bottom of the water, and an endless chain extending along the screen. In an automatic dust remover, the main screen is rotatably supported and can be lifted up by a lifting device. An automatic dust remover for waterways, etc., characterized in that the auxiliary screen can be installed between the main screen and the bottom of the water when raising or lowering the water. 2. The automatic dust remover according to claim 1, wherein the main screen is a bar screen, guided by the scraping piece, and rotatably mounted on a shaft. 3. The automatic dust remover according to claim 1 or 2, wherein the auxiliary screen has a steel plate structure with a large number of slits. 4. The automatic dust remover according to any one of claims 1 to 3, wherein the auxiliary screen is provided so that the front edge of the rake slides on the back surface of the screen plate when the rake passes. 5. A patent in which the auxiliary screen is rotatably supported by a support shaft and is provided with a weight part via an arm, and can be held upright on the main screen side by the weight of the weight part. An automatic dust remover according to any one of claims 1 to 4. 6. The scraping piece according to any one of claims 1 to 5, wherein only the main screen side has a comb shape, and the upstream side of the waterway has a steel plate structure with many slits. Automatic dust remover.