KR101219843B1 - Vertical Installed Type Parallel Gate Valve Contact Check Tool - Google Patents

Abstract

According to the present invention, after performing a sheet lapping operation using a lapping device when the balance gate valve seat installed vertically in a flow path system is damaged, a heavy disk is mounted on a contact inspection tool to apply blue ink to a disk contact surface, and then studs and pushes. The present invention relates to a tool for gate valve seat contact inspection which allows the disk to be pushed in the seat direction to check the contact state between the disk and the seat by using a nut.
The present invention is a disk holder for performing a sealing function in contact with the valve body inner seat, a disk holder for coupling the disk and coupling the stud, and a lift holder for lifting the device is coupled to the disk holder and a lift bar is installed on the top; , A stud coupled with the pushing nut and generating a pressing force during the contact inspection, a pushing nut pressing the disc to press the sheet, and a sheet paper having a rubber sheet attached to the sheet at an opposite position of the sheet to perform a supporting function. Provided is a tool device for gate valve seat contact inspection including a jiba.

Description

Vertical Installed Type Parallel Gate Valve Contact Check Tool}

According to the present invention, after performing a sheet lapping operation using a lapping device when the balance gate valve seat installed vertically in a flow path system is damaged, a heavy disk is mounted on a contact inspection tool to apply blue ink to a disk contact surface, and then studs and pushes. It relates to a vertical installation type balanced gate valve seat contact inspection tool for pushing the disc toward the seat using a nut to check the contact state between the disc and the seat and to check the wrapping state.

In general, in the case of disassembly and maintenance of the gate valve, it is very difficult to manually hold the disk and insert it into the seat in the body for contact inspection. If the weight of the disk is heavy, there is a risk of safety accidents to the maintenance personnel. Due to the fact that the deep and most discs are rounded, it is difficult to maintain the balance of the blue ink-coated discs in close contact with the sheet. Failure to perform contact inspection has been a factor in reducing or weakening maintenance reliability.

The present invention has been accomplished in order to solve the problems of the prior art, and has the following objectives.

It is an object of the present invention to develop and provide a separate tool device for checking whether the lapping operation is properly performed after the lapping of the seat is completed during the maintenance work of the gate valve to prevent the inclination during the contact inspection of the seat and apply to the disk The contact inspection can be easily and accurately made while the inspection blue ink does not adhere to the sheet, and is intended to provide a safer environment for the operator.

It is another object of the present invention to provide a tool device for gate valve seat contact inspection which is simple in structure and easy to manufacture and can be easily operated by an operator.

In order to achieve the above object, the present invention provides a disk for sealing the inner surface of the valve body to perform a sealing function, a disk holder for coupling with the disk and coupling the stud, and the lift bar is coupled to the disk holder and installed thereon A lift holder for lifting the device, a stud coupled with the pushing nut and generating a force for contact inspection, a pushing nut for pressing the disc to press the seat, and a seat in an opposite position of the seat for supporting functions And a sheet support bar to which a rubber plate is attached, wherein the disc is made of a body smaller than the diameter of the sheet and a protrusion support provided at the center of the body is integrally formed with the body, and the disc holder has a center. In the front position of the large diameter of the front opening is formed so that the protruding support of the disk In the rear position of the center, a small diameter rear thread opening is formed so that the studs can be coupled, and a lift bar is installed at the top to lift the device. The protrusion is fitted to form a hole in the lift bar is fixed to the top, the stud is formed with a threaded portion around the screw threaded to each other with the rear screw opening of the disk holder in the front position, the pushing nut is screwed in the rear position When the pushing nut is screwed with the stud and turned using a wrench, the pushing nut serves to push the disk toward the seat and press or relax the device to separate the device from the seat, and the seat support bar of the seat is the diameter of the seat. Vertically installed balanced gate valve that is longer and has a hole in the top A tool device for seat contact inspection is provided.

Thus, according to the present invention, the disc holder is manufactured by inserting the disc and engaging the disc holder with the lift holder to prevent the disc from tilting during contact inspection so that the blue ink applied to the disc does not adhere to the sheet and the chain block is provided on the lift bar. Lifting equipment such as a heavy lifting disk and a contact tool assembly can be lifted, a stud is inserted into the disk holder, and a pushing nut is combined to push the pushing nut toward the seat support bar installed on the exit seat with a wrench. In order to check the contact with the seat and to check whether the lapping has been done properly after the lapping of the seat is completed during the maintenance work of the gate valve, it is possible to prevent the inclination during the contact inspection of the seat and apply it to the disk. Do not let blue ink get on the sheet In addition, the contact inspection can be done easily and accurately, providing a safer working environment for the operator, and at the same time, the structure is simple, easy to manufacture, and easy to operate by the operator. Securing contact inspection technology ensures reliability and good quality of the valve maintenance, and checks the seating state of the seat through contact inspection of the valve seat to secure the original function of the valve and stabilize the system. Will have

1 is a schematic cross-sectional view showing a preferred example of the present invention;
Figure 2 is an exploded perspective view of the main part of the present invention illustrated in Figure 1,
3 is a use state diagram of the present invention illustrated in FIG.

Hereinafter, with reference to the accompanying drawings will be described in more detail and in detail with respect to the present invention.

According to a preferred embodiment of the present invention, a disk (2) in contact with the inner seat (7) of the valve body (1) to perform a sealing function, and a disk holder for fitting to the disk (2) and coupled to the stud (5) (3), the lift bar (4) coupled to the disk holder (3) and installed on the upper part of the lift holder (4) for lifting the device, and the pushing nut (7) is combined with the force to press the test A stud (5) for generating a pressure, a pushing nut (6) for pressing the disc (2) to press the sheet (7), and an opposite position sheet (7) of the sheet (7) for supporting function And it is made to include a sheet support bar (8) attached to the rubber plate (80).

At this time, the disk 2 for performing a sealing function in contact with the inner seat 7 of the valve body 1 is provided in the center of the main body 20 and the main body 20 made smaller than the diameter of the seat (7) Protruding support 22 is formed integrally with the main body 20 is in contact with the sheet 7 to perform a sealing function.

Next, the disk holder 3 which is coupled to the disk 2 and couples the studs 5 has a large diameter front opening 30 formed at the center of the front position so that the protruding support 22 of the disk 2 is mutually different. The rear screw opening 32 of the small diameter is formed in the rear position of the center so that the stud 5 can be coupled so that the front opening 30 and the rear screw opening 32 are formed to penetrate each other. Protruding portion 34 is fitted to the lift holder (4) in position to hold the disk (2) to perform the function of engaging the stud (6).

In addition, the lift holder 4 is coupled to the disk holder 3 and the lift bar 40 is installed at the top of the lift holder 4 to lift the device, and a cylindrical coupling hole 42 is formed at the center of the disk holder 3. The protrusions 34 are fitted to each other, and the device is lifted using the chain block by the holes 44 of the lift bar 40 fixed to the upper portion, and the device 34 is brought into close contact with the disk 2 to balance the device at the time of contact inspection. It will perform the function of maintaining it.

In addition, the stud (5) coupled to the pushing nut (6) to generate a force to be pressed during the contact test is formed with a threaded portion 50 on the periphery of the rear screw opening 32 of the disk holder (3) in the front position The screw is coupled, the pushing nut (6) in the rear position serves to generate a pushing force during the contact inspection.

In addition, the pushing nut 6 which presses the disk 2 to press the seat 7 is screwed with the stud 5 and turned by using a wrench to push the disk 2 toward the seat 7 side. Pressure contact or relaxation serves to separate the device from the seat (7).

Next, the seat supporting bar 8 having the support plate 7 attached to the seat 7 to be positioned at the opposite position of the seat 7 and having a rubber plate 80 is configured to be longer than the diameter of the seat 7. A hole 82 is formed in the upper portion so that the chain block or the operator's hand can be used to lift or position the hole 82 on the opposite side of the seat 7 on which the inspection surface is located. In the contact test, the support function is performed and the rubber sheet 80 is brought into contact with the opposing side sheet 7 so as to prevent direct damage to the sheet 7 when the contact test is performed.

Next will be described the process of the operation of the present invention made as described above.

First, the protrusion 34 of the disc holder 3 is fitted into the engaging hole 42 of the lift holder 4, and the protrusion support 22 of the disc 2 is opened in the front opening 30 of the disc holder 3. And screw the threaded portion 50 of the stud 5 into the rear threaded opening 32 of the disk holder 3, and then push the nut 6 to the threaded portion 50 from the rear of the stud 5; Screw it together.

Next, the sheet support bar 8 is installed on the sheet 7 positioned on one side and on the opposite side of the sheet 7 for contact inspection so that the rubber plate 80 is positioned on the sheet 7 side. Apply the blue ink for inspection to the main body 20 of the disc 2 and move the tool device assembled as above using the chain block to the inside of the valve body 1 so as to check the disc 2 for the inspection ( 7) Perform the work to align to the side.

At this time, while the blue ink for contact inspection does not touch the seat 7, perform the work of making a close contact with the disc 2, and turn the pushing nut 6 with a wrench to turn the seat support bar 8 in the opposite direction to the disc 2; As the pushing nut 6 presses the sheet support bar 8 by moving in the direction of), the disk 2 also comes into contact with the sheet 7 to be in close contact with each other.

As described above, it is confirmed how the blue ink applied to the disk 2 is changed in close contact with the sheet 7 with respect to the portion where the sheet 7 is wrapped by the adhesion between the disk 2 and the sheet 7. In order to loosen the pushing nut 6 again, the pushing nut 7 and the seat support bar 8 are relaxed with each other, and the seat 7 and the disc 2 are also relaxed. 44) by lifting the whole assembly with the seat support bar (8) to the outside of the valve body (1) to check the contact test of the blue ink applied to the disk (2).

Next, if the disc 2, the disc holder 3, the lift holder 4, the stud 5, the pushing nut 6 and the seat support bar 8 are stored separately from each other and need to be inspected, the above-described procedure is required. According to the contact inspection work.

Accordingly, according to the present invention, the disc holder 3 is manufactured by fitting the disc 2 to each other and the disc holder 3 to the lift holder 4 to prevent the disc 2 from tilting during the contact inspection. (2) to prevent the blue ink applied to the sheet (7), the lifting bar 40 is provided with a lifting tool such as a chain block to lift the heavy disk (2) and the contact tool assembly, disc holder ( 3) Insert the studs (5) and the pushing nut (6) is combined with a wrench to push the pushing nut (6) toward the seat support bar (8) installed in the outlet seat (7) by the disk (2) seat (7) is in contact with the contact inspection is carried out so that the lapping work after the lapping work of the seat (7) during the maintenance work of the gate valve can be confirmed whether the wrapping work is done properly, tilting during the contact inspection of the seat (7) Prevent loads and discs (2) Contact inspection can be done easily and accurately while preventing the correct blue ink from adhering to the sheet (7), providing a safer working environment for the operator, and having a simple structure that is easy to manufacture and can be easily operated by the operator. It is convenient and secures the reliability and good quality of the valve maintenance by the contact inspection technology that can inspect the vertical balanced gate valve, and checks the lapping process of the seat through the contact inspection of the valve seat (7). It has excellent effects such as securing the original function and achieving stabilization of the system.

1: valve body, 2: disc,
3: disc holder, 4: lift holder,
5: stud, 6: pushing nut,
7: seat, 8: seat support bar,
20: main body, 30: front opening,
32: rear screw opening, 34: protrusion,
40: lift bar, 42: coupling hole,
44: hole, 80: rubber sheet,
82: hole

Claims (2)

A disk (2) contacting the inner seat (7) of the valve body (1) and performing a sealing function;
A disk holder (3) for engaging with the disk (2) and for coupling a stud (5);
A lift holder 4 coupled to the disc holder 3 and having a lift bar 40 installed thereon to lift the device;
A stud (5) coupled to the pushing nut (7) and generating a pressing force during contact inspection;
A pushing nut 6 for pressing the disk 2 to press the sheet 7, and
Installed in the opposite position sheet (7) of the sheet (7) performs a supporting function and is made of a sheet support bar (8) attached to the rubber plate 80,
The disc 2 is made of a body 20 made smaller than the diameter of the sheet 7 and a protrusion support 22 provided at the center of the body 20 is integrally formed with the body 20,
The disk holder 3 has a large diameter front opening 30 in the front position of the center, so that the projecting support portions 22 of the disk 2 are coupled to each other, and the rear screw opening 32 of the small diameter in the rear position of the center. Is formed so that the stud 5 can be coupled,
A lift bar 40 is installed on the upper part, and the lift holder 4 for lifting the device has a cylindrical coupling hole 42 formed at the center thereof, and the protrusion 34 of the disk holder 3 is fitted into the upper part of the lift holder 4. A hole 44 is formed in the lift bar 40 fixed to the
The stud (5) is formed with a threaded portion 50 on the periphery of the rear screw opening 32 of the disk holder (3) in the front position screwed with each other, the pushing nut (6) is screwed in the rear position,
When the pushing nut 6 is screwed with the stud 5 and turned using a wrench, the pushing nut 6 pushes the disk 2 toward the seat 7 and presses or relaxes the device to separate the device from the seat 7. Then,
The seat support bar (8) of the seat (7) is configured to be longer than the diameter of the seat (7) and vertically mounted balanced gate valve seat contact tool tool characterized in that the hole is formed in the upper portion. delete

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