KR20230057870A - Drum screen equipped with screen mesh of one-touch coupling method - Google Patents

Abstract

The present invention relates to a drum screen provided with a one-touch coupling type screen net, and more specifically, to a drum screen comprising: a drum frame including a circular member, partition members which are connected to both ends of the circular member and are arranged to be separated at a predetermined interval along a circumferential direction, and installation space parts which are formed on separation spaces by the partition members; a screen frame which includes a screen net arranged on the installation space parts of the drum frame and is mounted on the drum frame; and a coupling unit which is formed on the circular member of the drum frame and the screen frame, and is configured to couple and separate the screen frame to and from the drum frame in a one-touch manner by applying an elastic force. That is, the present invention suggests a drum screen provided with a one-touch coupling type screen net, which enables a plurality of screen frames equipped with the screen net to be individually separated from and coupled to the drum frame in a one-touch manner, thereby easily and conveniently separating the screen net from the drum screen, and thus increasing work efficiency such as maintenance of the screen net or the drum screen.

Description

Drum screen equipped with screen mesh of one-touch coupling method}

The present invention makes it possible to separate and combine a plurality of screen frames equipped with screen nets from the drum frame in a one-touch manner, so that the screen net can be easily and conveniently separated from the drum screen, thereby maintaining the screen net or drum screen. It relates to a drum screen equipped with a screen network of a one-touch coupling method that can increase work efficiency such as maintenance.

Typically, drum screens are used in inflow facilities such as wastewater treatment plants and are a first-stage facility for separating and removing solid materials and sludge.

In this drum screen, wastewater containing sludge flows into the inside, and sludge adheres to the inner surface of the screen net. The attached sludge is dropped by spraying water from the outside of the rotating drum screen to the screen net, and then filtered through the sludge discharge pipe.

In this case, if the screen net is damaged or oily or viscous substances among impurities adhere to the screen net, the screen net is clogged and water and impurities cannot be separated smoothly. do.

In this process, the screen network must be separated. In the existing drum screen, the screen network is fastened to the drum frame by fasteners such as bolts, so the separation of the screen network is inconvenient and cumbersome.

In order to solve this problem, there is an urgent need to develop a product that can easily, conveniently and quickly separate the screen network from the drum frame.

Republic of Korea Patent Registration No. 10-1866266 (2018.06.04. Registration)

The present invention has been made to solve the above problems,

By allowing a plurality of screen frames equipped with screen nets to be individually separated and combined from the drum frame in a one-touch manner, the screen nets can be easily and conveniently separated from the drum screen, thereby providing maintenance for the screen nets or drum screens. An object of the present invention is to provide a drum screen equipped with a screen network of a one-touch coupling method that can increase work efficiency.

A drum screen equipped with a screen network of a one-touch coupling method according to the present invention includes a circular member, a partition member connected to both ends of the circular member and spaced apart at predetermined intervals along the circumferential direction, and a space separated by the partition member. A drum frame including an installation space formed thereon; a screen frame provided with a screen network disposed in the installation space of the drum frame and mounted on the drum frame; and coupling means formed on the circular member of the drum frame and the screen frame and configured to couple and separate the screen frame from the drum frame by one-touch by applying elastic force.

The coupling means according to the present invention includes a body provided in the screen frame, an operation unit disposed inside the body, a coupling protrusion connected to the operation unit and configured to be drawn out and retracted from the body, and the circular shape. It is formed in a member and includes a coupling hole corresponding to the coupling protrusion and an elastic member embedded in the body to provide elastic force to the operating unit, and when coupling and separating the drum frame and the screen frame, When an external force is applied to the operating unit, the elastic member is compressed and the coupling protrusion is discharged from the coupling hole. characterized in that it is inserted.

The operation unit of the coupling means according to the present invention is disposed on the inner space of the body, and is formed on a movable plate to which the coupling protrusion is connected to one side and the elastic member is connected to the other side, and is formed on the movable plate, It is characterized in that it comprises a guide portion interviewing the inner wall, and a pressing portion connected to the guide portion and exposed to the outside of the body.

The screen frame according to the present invention is coupled to the body and both ends of the coupling means, and includes two pairs of joint members so that both sides of the screen net are mounted, and the body is formed with through holes for withdrawing the coupling protrusions. and a first body member connected to both ends of a pair of joint members, an exposed portion for protruding the pressing part of the operating unit to the outside on one side, and a second body connected to both ends of another pair of joint members. It is characterized by including a member.

The first body member according to the present invention is characterized in that when the drum frame and the screen frame are coupled, a hooking portion protrudingly formed so that the screen frame can be placed in the correct position is further provided.

The second body member according to the present invention may further include a fitting part spaced apart from the hooking part to form an fitting space for inserting the screen net.

According to the present invention, the drum screen equipped with a screen network of one-touch coupling method employs one-touch coupling means instead of fastening means such as bolts and nuts between the drum frame and the screen frame, so that mutual coupling and separation operations can be easily and conveniently performed. Not only that, but it can drastically reduce the working time.

In addition, the present invention not only saves labor in that the combination and separation between the drum frame and the screen frame can be performed by only one worker, but also maximizes work efficiency in that even an unskilled person can perform the work in a short time. can make it

1 is a side view showing a drum scrim equipped with a lower one-touch coupling type screen net according to the present invention;
2 is an exploded perspective view showing a drum screen according to the present invention;
3 is a perspective view showing a screen frame according to the present invention;
4 is an exploded perspective view showing a screen frame and coupling means according to the present invention;
Figure 5 is a cross-sectional view showing the operation of the coupling means according to the present invention;
Figure 6 is a perspective view showing the installed state of the drum screen according to the present invention.

In order to explain the present invention and the operational advantages of the present invention and the objectives achieved by the practice of the present invention, the following describes a preferred embodiment of the present invention and references it.

First, the terms used in this application are used only to describe specific embodiments, and are not intended to limit the present invention, and singular expressions may include plural expressions unless the context clearly indicates otherwise. In addition, in this application, terms such as "comprise" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other It should be understood that the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof is not precluded.

In describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted.

As shown in FIGS. 1 to 5, the drum screen provided with the screen network of the one-touch coupling method according to the present invention includes a drum frame 10, a screen frame 20 mounted on the drum frame 10, and a drum frame ( From 10), the screen frame 20 is configured to include a coupling means 30 enabling coupling and separation in a one-touch manner.

First, as shown in FIGS. 1, 2 and 5, the drum frame 10 according to the present invention forms the skeleton of the drum screen DS so that the screen frame 20 equipped with the screen net 21 is mounted. It consists of

To this end, the drum frame 10 includes two circular members 11 having a donut shape and a plurality of partition members 13 having both ends connected to each circular member 11. In this case, the partition member 13 is made of a plate-like member and is spaced apart at regular intervals along the circumferential direction, and an installation space portion in which a screen frame 20 to be described later can be mounted on the space separated by the partition member 13 ( 15) is formed.

In the accompanying drawings, six partition members 13 are formed to form six installation space parts 15, which is only one embodiment, and the number of partition members 13 is increased or decreased to increase or decrease the installation space part 15. can make it In this case, the number of installed screen frames 20 can also be increased or decreased accordingly.

Next, as shown in FIGS. 1 to 5, the screen frame 20 is mounted in the installation space 15 of the drum frame to form a drum-shaped drum screen DS.

In general, the screen frame 20 is formed in the shape of a square frame of a substantially rectangular shape, and is configured by mounting a slope of the screen net 21 on the inside. That is, the screen frame 20 is connected by a plurality of long joint members 23 and another short joint member 23 connected to both ends of the joint member 23 .

The screen frame 20 configured as described above is mounted by fastening to the drum frame 10 using a plurality of bolts and nuts. Conversely, during maintenance work, the screen frame 20 is separated from the drum frame 10 by loosening bolts and nuts.

In a general drum screen, wastewater containing sludge flows into the inside, and sludge adheres to the inner surface of the screen net. The attached sludge is dropped by spraying water from the outside of the rotating drum screen to the screen net (21), and then filtered through the sludge discharge pipe.

In this case, if the screen net 21 is damaged or an oily or viscous substance among impurities adheres to the screen net 21, the screen net 21 is clogged and the water and impurities are not separated smoothly. Cleaning, such as brushing and removing deposits, is required.

In this process, the screen net 21 must be separated. As described above, in the existing drum scrim, the screen frame 20 equipped with the screen net 21 and the drum frame 10 are fastened with a plurality of bolts and nuts. In order to shake off the attachments of the screen net 21, that is, the screen frame 20 must be separated from the drum frame 10 when work such as maintenance of the screen net 21 is required. Since the bolts and nuts have to be loosened one by one, the separation work is not only inconvenient, but also cumbersome. In addition, since a plurality of bolts and nuts must be fastened in order to mount the screen frame 20 on the drum frame 10 after the maintenance work as described above, the coupling work is also inconvenient and takes a lot of time.

Therefore, in the present invention, in order to solve the conventional inconvenience, a coupling means 30 is introduced so that the drum frame 10 and the screen frame 20 can be coupled and separated in a one-touch manner. Reference will be described in detail with respect to the coupling means 30, which is a key technical idea of the present invention.

As shown in FIGS. 1 to 5, the coupling means 30 according to the present invention is configured so that coupling and separation of the drum frame 10 and the screen frame 20 can be implemented in a one-touch manner by applying elastic force.

The coupling means 30 according to the present invention for this purpose is connected to the body 31 provided in the screen frame 20, the operating unit 32 disposed inside the body 31, and the operating unit 32, , The coupling protrusion 33 configured to be drawn in and out of the body 31, the coupling hole 34 formed on the circular member 11 and corresponding to the coupling protrusion 33, and the inside of the body 31 It is built in and includes an elastic member 35 providing elastic force to the operating unit 32.

First, the coupling means 30 is made of a structure that is arranged to replace the short joint member 23 in the screen frame 20, and the body 31 of the coupling means 30 is placed on both ends of the long joint member 23. ) are connected to each other. In this case, the joint member 23 is made of two pairs, and each body 31 is made of first and second body 31 members. A first body member 31a is connected to both ends of the pair of joint members 23 to form a first assembly, and a first body member 31b is connected to both ends of another pair of joint members 23. to form the second assemblage. When the first and second assemblies configured as described above are combined, bodies 31 are formed at both ends of the joint member 23, and both sides of the screen net 21, that is, the length, are formed between each pair of joint members. The long side is inserted and mounted. In this case, it is also preferable to firmly mount the joint members 23 corresponding to each other to fix the screen net 21 using bolts or pins.

More specifically, the first body member 31a is configured in an approximate 'b' shape with reference to FIG. 5, and the first body member 31b is configured in an approximately 'b' shape rotated 180 degrees around a vertical axis. By combining the first and second bodies 31 units, a body 31 having a substantially rectangular box shape may be formed in cross section.

An operating unit 32 is provided in the inner space of the body 31 configured as described above, and the operating unit 32 is formed of a movable plate 32a, a guide unit 32b, and a pressing unit 32c. On the movable plate 32a of the operating unit 32, a coupling protrusion 33 is formed in the right direction as shown in FIG. 5, and in this case, the coupling protrusion 33 can be drawn in and out of the first body member 31a. A through hole 31c is formed so as to be. In addition, the guide part 32b of the operating part 32 is connected to both ends of the movable plate 32a and is configured to come into contact with the inner wall surface of the body 31, so that the movable plate ( It serves as a guide to guide the operation of 32a) to be stably maintained. In addition, the pressing portion 32c of the operating unit 32 is exposed to the outside of the body 31 through the exposed portion 31d formed on the first body member 31b to apply an external force to the operating unit 32. do.

As described above, the coupling protrusion 33 of the operating unit 32 is disposed on the right side of the movable plate 32a of the operating unit 32, and enters and exits through the through hole 31c of the first body member 31b. can be withdrawn. Correspondingly, the coupling hole 34 is formed in the circular member 11 so that the coupling protrusion 33 is drawn in and out through the through hole 31c.

In addition, the elastic member 35 of the operating unit 32 is composed of a coil spring as shown in FIG. 5, and both ends are formed by the body 31, that is, the first body member 31b so as to provide elastic force to the operating unit 32. ) It is configured to come into contact with the inner surface of the operation unit 32 and the movable plate 32a. In this case, in order to fix the position of the elastic member 35, a fixing protrusion 38 is provided on the inner surface of the first body member 31b and one side of the movable plate 32a so as to face each other, so that the elastic member 35, that is, Since both ends of the coil spring are inserted and fixed, a stable support structure can be implemented.

The coupling means 30 according to the present invention configured as described above separates the screen frame 20 from the drum frame 10 in order to shake off the attachments or sticking substances of the screen net 21, or the screen net 21 After the maintenance work, the work of coupling the screen frame 20 to the drum frame 10 can be performed in a one-touch manner.

To this end, when a worker applies an external force in one direction by gripping the pressing portion 32c of the operating portion 32 for coupling between the drum frame 10 and the screen frame 20, the movable plate 32a of the operating portion 32 ), the elastic member 35 is in a state where the coil spring is compressed while the coupling protrusion 33 is drawn into the body 31 through the through hole 31c. In this state, when the coupling position, that is, the screen frame 20 is arranged in the installation space 15 of the drum frame 10, the coupling hole 34 is arranged so that the coupling protrusion 33 can be inserted, and then the operation When the external force applied to the pressing portion 32c of the portion 32 is removed, the elastic member 35 in a compressed state exerts elasticity to push the movable plate 32a of the operating portion 32, and at this time, the coupling protrusion ( 33) is also pulled out through the through hole 31c and inserted into the coupling hole 34, so that the screen frame 20 can be coupled to the drum frame 10 in a one-touch manner.

Conversely, in the separation operation of the screen frame 20 from the drum frame 10, when the operator applies an external force to the pressing part 32c of the operating part 32 in the other direction in the coupled state, the movable plate 32a As the elastic member 35 is compressed again by this, the coupling protrusion 33 is discharged from the coupling hole 34 and introduced into the body 31 through the through hole 31c. When the coupling protrusion 33 is discharged from the coupling hole 34 in this way, the screen frame 20 is separated from the drum frame 10 to perform the necessary work.

In this case, it is efficient to allow one worker to perform the coupling and separation work between the drum frame 10 and the screen frame 20. As shown in FIG. 6, the coupling means 30 is the screen frame 20 ) is symmetrically arranged at both ends of the operation unit 32, so that the operator can hold the movable part of the operation unit 32 with both hands and simply open or close it in opposite directions to each other, thereby improving work efficiency.

In addition, when the drum frame 10 and the screen frame 20 are coupled to each other, the first body member 31a may be provided with a protruding hook 36 so that the screen frame 20 can be placed in the correct position. The stiffening part is formed by bending the upper end of the first body 31 in the right direction based on the illustration of FIG. 5 . Therefore, when the screen frame 20 is placed in the installation space 15 and placed on the drum frame 10, the locking portion 36 is caught on the outer end of the circular member 11, and the screen frames 20 are coupled to each other. It can be placed in the right place for.

In addition, it is preferable that the first body member (31b) is provided with a fitting part (37) in the form of a protrusion to form an fitting space for inserting the screen net (21) and spaced apart from the hooking part (36). That is, both ends of the short length of the screen net 21 are inserted into and mounted in the fitting space between the hooking part 36 and the fitting part 37, and both sides of the long length of the screen net 21 are connected to each pair of joint members ( 23) are inserted and mounted. In this case, when the locking part 36 and the fitting part 37 are pressed inward, respectively, it is preferable in that the screen net 21 can be mounted more firmly.

The drum screen DS according to the present invention configured as described above adopts a one-touch coupling means 30 instead of a bolt and a nut between the drum frame 10 and the screen frame 20 as in the prior art. Mutual coupling and separation work can be done easily and conveniently, and work time can be drastically shortened. In addition, labor can be reduced in that combining and separating work can be performed by only one worker, and work efficiency can be maximized in that even an unskilled person can perform the work in a short time.

As such, the present invention has been described with reference to one embodiment shown in the drawings, but this is only exemplary, and those skilled in the art can make various modifications and equivalent other embodiments therefrom. will understand

Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

DS: drum screen
10: drum frame
11: circular member 13: partition member
15: installation space
20: screen frame
21: screen network 23: joint member
30: coupling means
31: body 31a: first body member
31b: second body member 31c: through hole
31d: exposed part 32: operating part
32a: movable plate 32b: guide part
32c: pressing part 33: coupling protrusion
34: coupling hole 35: elastic member
36: hanging part 37: fitting part
38: fixed protrusion

Claims (6)

A circular member 11, a partition member 13 connected to both ends of the circular member 11 and spaced apart at predetermined intervals along the circumferential direction, and a partition member 13 formed on the spaced apart space by the partition member 13 A drum frame 10 including an installation space 15;
a screen frame 20 equipped with a screen network 21 disposed in the installation space 15 of the drum frame 10 and mounted on the drum frame 10; and
It is formed on the circular member 11 of the drum frame 10 and the screen frame 20, and provides elastic force so that the screen frame 20 can be coupled and separated from the drum frame 10 by a one-touch method. configured coupling means 30;
A drum screen equipped with a screen network of a one-touch coupling method comprising a.
The method of claim 1, wherein the coupling means (30)
A body 31 provided on the screen frame 20;
An operating unit 32 disposed inside the body 31;
A coupling protrusion 33 connected to the operating unit 32 and configured to be drawn in and out of the body 31;
A coupling hole 34 formed in the circular member 11 and corresponding to the coupling protrusion 33;
It includes an elastic member 35 built inside the body 31 to provide elastic force to the operating unit 32,
When combining and separating the drum frame 10 and the screen frame 20,
When an external force is applied to the operating unit 32, the elastic member 35 is compressed and the coupling protrusion 33 is discharged from the coupling hole 34.
When the external force applied to the operating unit 32 is removed, the elastic member 35 exhibits elasticity and the coupling protrusion 33 is inserted into the coupling hole 34, characterized in that the screen mesh of the one-touch coupling method Drum screen provided.
The method of claim 2, wherein the operating unit 32 of the coupling means 30
A movable plate 32a disposed on the inner space of the body 31, to which the coupling protrusion 33 is connected to one side and to which the elastic member 35 is connected to the other side;
A guide portion 32b formed on the movable plate 32a and interviewing the inner wall of the body 31;
A drum screen with a one-touch coupling type screen net, characterized in that it comprises a pressing portion (32c) connected to the guide portion (32b) and exposed to the outside of the body (31).
According to claim 3,
The screen frame 20 includes two pairs of joint members 23 so that both ends are coupled to the body 31 of the coupling means 30 and both sides of the screen net 21 are mounted,
The body 31 includes a first body member 31a having a through hole 31c for the insertion and withdrawal of the coupling protrusion 33 and connected to both ends of the pair of joint members 23, and one side thereof. An exposed portion 31d for protruding the pressing portion 32c of the operating portion 32 to the outside is formed, and the first body member 31b connected to both ends of another pair of joint members 23 A drum screen equipped with a screen network of a one-touch coupling method, characterized in that it comprises a.
According to claim 4,
When the drum frame 10 and the screen frame 20 are coupled to each other, the first body member 31a further includes a hooking portion 36 protruding so that the screen frame 20 can be placed in the correct position. A drum screen equipped with a screen network of a one-touch coupling method.
According to claim 4,
The one-touch coupling method characterized in that the first body member (31b) is further provided with a fitting part (37) spaced apart from the hooking part (36) to form a fitting space for inserting the screen net (21). A drum screen equipped with a screen network of

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