KR102575362B1 - Rash separator with contaminants cutting function - Google Patents

Abstract

The present invention relates to a rake having an impurity cutting function and a damper using the same, and the cutting rake is configured to be movable by an elastic washer, thereby preventing overload and damage of end-let chains and drive units in the process of removing impurities. It is an object of the present invention to provide a rake having an impurity cutting function and a damper using the same to significantly increase the maintenance period for major parts.
The present invention for achieving the above object is a rake for removing impurities caught on a screen of a dust removal machine, comprising: a collecting rake installed to cross the screen and removing impurities caught on the screen while moving along the screen; A cutting rake installed so that one end partially overlaps with the collection rake, a plurality of installation holes are formed in the overlapped portion, and the other end is inserted between the screens to cut impurities; an elastic washer inserted into the installation hole of the cutting rake and configured to have elasticity so that the cutting rake has a clearance on the collection rake by elasticity, so that the cutting rake moves smoothly; A technical summary relates to a rake having an impurity cutting function and a damper using the same, characterized in that it is configured to include; a fastening member that integrally fastens the collection rake, the elastic washer, and the cutting rake.

Description

Rash separator with contaminants cutting function {Rash separator with contaminants cutting function}

The present invention relates to a damper having a function of cutting residual impurities, and to prevent overload and damage to an endless chain and a drive unit in the process of removing impurities by causing play to occur in the rake, and to reduce the maintenance period for major parts It relates to a damper having a residual contaminant cutting function that can significantly increase

In general, dust collectors are installed in waterways provided in water treatment facilities such as drainage pumping stations, wastewater treatment plants, and water intakes or water purification plants to filter and remove impurities contained in water flowing through the waterways. can be distinguished by

The hydraulic damper is configured to lift impurities caught on the screen to the upper part of the screen while the rake-type rake moves up and down by the operation of the cylinder, and has the advantage of easy maintenance, but has the ability to handle various types of impurities It has a disadvantage in that it is difficult to process quickly when the amount of impurities falls and the inflow of impurities is large.

The rotary dust remover is configured so that a plurality of rakes installed in an endless chain circulate around the screen to repeatedly remove impurities caught on the screen, and since the impurities can be continuously removed, a large amount of impurities can be quickly removed compared to a hydraulic dust remover. There are advantages to removing it.

1 is a perspective view of a conventional rotary damper, and FIG. 2 is a side view of a conventional rotary damper.

A conventional rotary damper includes a frame 1; Two guide rails (2) installed on the frame (1) to have a structure facing each other while being spaced apart from each other; a screen (3) installed between the two guide rails (2) to filter impurities flowing together with water through the waterway; a potential screen (4) installed on the floor so as to be located at the lower front portion of the screen (3); Two endless chains (5) installed on the two guide rails (2) and moving along the guide rails (2); a driving unit (6) connected to the endless chain (5) and allowing the endless chain (5) to move along the guide rail (2); and a plurality of rakes 7 coupled to both left and right ends of the two endless chains 5 and moving together with the endless chains 5 to lift impurities caught on the screen 3 upward.

Unexplained reference numeral 8 in the drawing is a sprocket for driving the endless chain 5, 9 is an apron formed on the upper end of the screen to protect the body of the damper from being polluted by the lifted debris, and 10 is the apron of the lifted debris. It is a conveyor for transportation.

The screen 3 is composed of a plurality of screen bars spaced apart from each other, and the plurality of screen bars are coupled to a horizontal frame arranged to cross the screen in the horizontal direction to form one screen.

In order to lift the impurities whose flow is blocked by the screen, a plurality of rakes are provided at the front and rear of the rake, the front rakes are mainly used to lift the general impurities upward, and the rear rakes are inserted between the screen bars to It is used to treat impurities caught in

In the rotary damper configured as described above, the endless chain moves along the guide rail by the operation of the driving unit, and at this time, the plurality of rake moves by the endless chain to lift various impurities caught on the screen to the top, and the plurality of rake The impurity to be lifted is discharged to the outside through the conveyor.

As described above, this rotary dust remover has the advantage of being able to quickly remove a large amount of impurities because a plurality of rakes repeatedly sweep over the screen to lift impurities caught on the screen.

On the other hand, lumpy impurities are lifted by the rake that repeatedly rotates around the screen and discharged immediately, whereas in the case of linear impurities such as ropes, the rake cannot be lifted smoothly and remains on the screen, causing damage to the screen or parts around it. get tangled up

When the amount of linear impurities entangled in the screen or its surrounding parts increases, the volume of lumps generated by the entanglement of the linear impurities increases, obstructing the flow of water flowing into the water treatment facility, and in severe cases, interfering with the movement of the rake There is a problem of increasing the load of the drive system while doing so.

Registered Patent No. 10-2258255

An object of the present invention to solve the above problems is to prevent overload due to friction between the cutting rake and the screen bar in the process of removing impurities by configuring the cutting rake to be movable by the elastic washer, and to prevent the end chain and It is an object of the present invention to provide a rake having an impurity cutting function that can prevent overload and damage to a driving unit and the like and significantly increase a maintenance period for major parts, and a damper using the same.

The present invention to achieve the object as described above and to eliminate the conventional drawbacks, the frame is fixedly installed in the structure forming the waterway; a screen made up of a plurality of screen bars having a structure spaced apart from each other and having cutting blades formed on the front thereof, and installed on the frame to have a structure crossing the waterway to block the flow of impurities; a collecting rake installed so as to cross the screen and moving along the screen to remove impurities caught on the screen; The collecting rake and one end are installed to partially overlap, a plurality of installation holes are formed in the overlapped portion, and a cutting groove is formed so that the other end can be inserted between the screen bars. A cutting rake that allows the caught impurity to be cut; an elastic washer inserted into the installation hole of the cutting rake and configured to have elasticity so that the cutting rake has a clearance on the collection rake by elasticity, so that the cutting rake moves smoothly; It is characterized in that it is configured to include; a fastening member for integrally fastening the collection rake, the elastic washer and the cutting rake.

In addition, the cutting blade is characterized in that teeth are formed.

In addition, the fastening member, a fastening bolt installed so as to protrude to the lower portion of the cutting rake through the collection rake and the elastic washer; A washer inserted into the fastening bolt to support the elastic washer and improve a tightening force; It is characterized by comprising a nut fastened to the fastening bolt.

In addition, the cutting rake, the body portion in which the installation holes are formed on one side; A plurality of cutting grooves formed concavely at regular intervals on the other side of the body and inserting the cutting blade so that impurities caught on the screen bar are cut by a shearing action; characterized in that it is configured to include.

As described above, according to the present invention, the rake is divided into a collection rake and a cutting rake, and the cutting rake is configured to have a certain gap on the collection rake by an elastic washer. In the process of removing impurities, the rake is caught in impurities and cannot be moved It has the effect of preventing breakage.

In addition, since the rake moves smoothly, it is a very useful invention that can reduce maintenance costs by preventing overload and damage of the driving unit that drives the rake.

1 is a perspective view of a conventional rotary damper;
2 is a side view of a conventional rotary damper;
Figure 3 is a perspective view showing the installation structure of the rake and the screen in the damper according to the present invention;
Figure 4 is an exploded perspective view showing the installation structure of the collection rake and the cutting rake according to the present invention;
5 is a cross-sectional view showing the installation structure of the collection rake and the cutting rake according to the present invention;
6 is a side view showing the structure of a damper according to the present invention;

Hereinafter, the configuration and operation of an embodiment of the present invention will be described in detail in connection with the accompanying drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

Figure 3 is a perspective view showing the installation structure of the rake and the screen in the dust removal machine according to the present invention, Figure 4 is an exploded perspective view showing the installation structure of the collection rake and the cutting rake according to the present invention, Figure 5 is the collection rake and A cross-sectional view showing the installation structure of the cutting rake, Figure 6 is a side view showing the structure of the damping tool according to the present invention,

As shown in the drawing, the damper of the present invention includes a frame 200 fixedly installed in a structure forming a waterway, and a plurality of screen bars 211 having a structure spaced apart from each other and having cutting blades 212 formed on the front surface. A screen 210 installed on the frame 200 to block the flow of impurities to have a structure crossing the waterway, and a screen 210 installed to cross the screen 210 and moving along the screen 210 A collection rake 110 that removes impurities on which the 210 is caught is installed so that one end of the collection rake 110 partially overlaps, and a plurality of installation holes 122 are formed in the overlapped portion, and the other end is a screen bar. Cutting groove 123 is formed so that it can be inserted between 211, and the shearing action of the cutting groove 123 and the cutting blade 212 cuts the impurities caught in the screen bar 211 Cutting rake 120 And, an elastic washer 130 inserted into the installation hole 122 of the cutting rake 120 and configured to have elasticity so that the cutting rake 120 has a play on the collection rake 110 by elasticity, It is configured to include a fastening member 140 that integrally fastens the collection rake 110, the elastic washer 130, and the cutting rake 120.

The frame 200 is a structure forming the basic structure of the damper, and is fixedly installed to a structure forming a waterway.

The frame 200 may be configured by connecting a beam and an iron plate in an appropriate structure, and is configured in various ways according to a structure forming a waterway or a specific structure of a damper, and detailed illustration and description are omitted.

The screen 210 is installed to have a structure crossing the waterway formed by the waterway structure to block the flow of impurities flowing together with the water through the waterway, and a plurality of screen bars 211 having a structure spaced apart from each other and a horizontal frame connecting the plurality of screen bars 211, and such a screen 210 is fixedly installed to the frame 200.

The collection rake 110 is formed on a body portion 111 in which a plurality of fastening holes 112 are formed to enable installation of the fastening member 140 and one side of the body portion 111 to remove impurities. It is configured to include a plurality of rakes 114 that do.

At the inlet of the fastening hole 112, a seating groove 113 is formed to have a larger diameter than the fastening hole 112 so that the head of the fastening bolt 141 of the fastening member 140 to be described later can be inserted. more formed

The collection rake 110 is configured to move by the operation of the endless chain 220 by being coupled with the endless chain 220 of the dust removal machine at both ends of the left and right sides.

The cutting rake 120 is formed concavely at regular intervals on the body portion 121 in which the installation holes 122 are formed and one side of the body portion 121 to form the screen 210. 211) is configured to include a cutting groove 123 into which is inserted.

In the process of moving the cutting rake 120, impurities caught in the screen bar 211 are cut by the shear action of the cutting blade 212 and the cutting groove 123 formed on the front surface of the screen bar 211.

The elastic washer 130 may be made of a rubber material, and a through hole 131 penetrating the center is formed so that the fastening member 140 can be installed, and is installed to be inserted into the installation hole 122 to cut the elastic washer 130. The rake 120 is between the cutting blade 212 formed on the front surface of the screen bar 211 on the collecting rake 110 and the cutting groove 123 of the cutting rake 120 by the elastic force of the elastic washer 130 to have a gap of

In this way, the elastic washer 130 allows the cutting rake 120 to flow and have a gap, so that the size of the impurity is very large in the process of cutting the impurity caught between the cutting rake 120 and the screen bar 211. Therefore, if it is impossible to be cut at once by the cutting rake 120 or if the cutting rake 120 interferes with the movement, the cutting rake 120 moves in the direction of the collection rake 110 due to play, so that the contact with impurities It prevents movement from becoming impossible due to interference, thereby reducing the load on the endless chain 220 or the drive unit 230 by smooth movement, and the friction between the cutting rake 120 and the screen bar 211 to prevent overload.

On the other hand, the fastening member 140 is inserted through the fastening hole 112 of the collection rake 110 and the through hole 131 of the elastic washer 130, and the fastening bolt installed so as to protrude to the lower part of the cutting rake 120 ( 141), and a washer 142 inserted into the fastening bolt 141 exposed to the lower portion of the cutting rake 120 to prevent the elastic washer 130 from being separated from the installation hole 122 and to improve the tightening force, It is configured to include a nut 143 fastened to the fastening bolt 141.

The fastening member 140 integrally connects and fixes the cutting rake 120, the collecting rake 110, and the elastic washer 130 while preventing the escape of the elastic washer 130, and the cutting rake 120 is an elastic washer ( 130) firmly supports the cutting rake 120 in the process of generating play by the elastic force.

Meanwhile, the damper of the present invention includes an endless chain 220 and a driving unit 230.

The endless chain 220 is connected to the rake 100 and the collecting rake 110 to move the rake 100, and is disposed at both left and right ends of the rake 100, respectively, and collects the rake 110 of the rake 100. ) and is configured to move together with the rake 100.

Meanwhile, a guide rail 250 guiding movement of the endless chain 220 is further provided on the frame 200 .

The drive unit 230 moves the endless chain 220 so that the rake 100 moves, and is connected to the sprocket 231 supporting the endless chain 220 to rotate the sprocket 231 to achieve the endless chain (220) will move.

The driving unit 230 may include a motor 233 and a chain 232 connecting the motor 233 and the sprocket 231 .

Meanwhile, since the above-described frame, screen 210, endless chain 220, and drive unit 230 are known components applied to a damper that is already widely used, detailed descriptions and illustrations of these components will be omitted. .

The damper of the present invention configured as described above includes the rake 100 having a function of cutting impurities configured as described above, and the damper using the same uses the screen 210 to remove impurities flowing along with water along the waterway, similarly to the widely used rotary dust remover. In this way, the impurities filtered out by the screen 210 are lifted up by the collection rake 110 of the rake 100, and then discharged to the outside through the conveyor, and the impurities caught on the screen 210 are It is cut by the cutting rake 120.

The movement of the rake 100 is performed by the operation of the driving unit 230, and specifically, the endless chain ( 220) is moved, and by the movement of the endless chain 220, the rake 100 moves around the screen 210 while lifting the impurities and discharging them to the conveyor.

At this time, the collecting rake 110 lifts the impurities, and the cutting rake 120 cuts the impurities caught on the screen 210. In the process of cutting the impurity material is cut while minimizing the load on the drive unit.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone having ordinary knowledge in the art to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, such changes are within the scope of the claims.

(100): rake (110): collection rake
(111): body part (112): fastening hole
(113): seating groove (114): snag rake
(120): cutting rake (121): body
(122): installation hole (123): cutting groove
(130): elastic washer (140): fastening member
(141): fastening bolt (142): washer
(143): nut (200): frame
(210): screen (211): screen bar
(212): cutting blade (213): teeth
(220): endless chain (230): driving unit
(231): Sprocket (232): Chain
(233): motor (250): guide rail

Claims (4)

A frame 200 fixedly installed to a structure forming a waterway;
It consists of a plurality of screen bars 211 having a structure spaced apart from each other and having cutting blades 212 formed on the front side, installed on the frame 200 to have a structure crossing the waterway to block the flow of impurities screen 210;
A collection rake 110 installed to cross the screen 210 and moving along the screen 210 to remove impurities caught on the screen 210;
The collection rake 110 and one end are installed to partially overlap, a plurality of installation holes 122 are formed in the overlapped portion, and the other end is formed with a cutting groove 123 so that it can be inserted between the screen bars 211 A cutting rake 120 that cuts impurities caught on the screen bar 211 by the shearing action of the cutting groove 123 and the cutting blade 212;
A through hole 131 penetrating the center is formed so that the fastening member 140 can be installed, and installed to be inserted into the installation hole 122, so that the cutting rake 120 is on the collection rake 110, the screen bar ( 211) between the cutting blade 212 formed on the front side and the cutting groove 123 of the cutting rake 120, an elastic washer 130 having a clearance equal to the elastic force of the elastic washer 130;
A fastening member 140 integrally fastening the collection rake 110, the elastic washer 130, and the cutting rake 120 together;
The fastening member 140 penetrates the collection rake 110 and the elastic washer 130 and is inserted into the fastening bolt 141 installed to protrude to the lower part of the cutting rake 120 and the fastening bolt 141. Rest, characterized in that it comprises a washer 142 for improving the tightening force while supporting the elastic washer 130 so that it does not depart from the installation hole 122, and a nut 143 fastened to the fastening bolt 141 A damper with an impurity cutting function. According to claim 1,
A damper having a residual contaminant cutting function, characterized in that the sawtooth 213 is formed on the cutting blade 212. delete According to claim 1
The cutting rake 120,
a body portion 121 in which the installation holes 122 are formed on one side;
A plurality of cutting grooves 123 concavely formed at regular intervals on the other side of the body portion 121 and cutting impurities caught on the screen bar 211 by shearing when the cutting blades 212 are inserted; A damper having a residual contaminant cutting function, characterized in that configured to include.

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