KR101158754B1 - Pressuring apparatus of rotation cutting off type and blind flange fixing apparatus for pressure test using same - Google Patents

Abstract

The present invention is for a device for fastening the blind flange for the pressure test, in particular to move the rotary moving part by the rotation and the moving pressing unit which is moved by the rotation moving part but does not rotate by the anti-rotation port to press the gasket. To prevent the deformation of the gasket and also to terminate the operation in one fastening when the test flange and the blind flange are coupled to the test flange is equipped with a pressure test member and a blind flange fastening device for pressure test using the same It is related.

Description

Pressing apparatus of rotation cutting off type and blind flange fixing apparatus for pressure test using same

The present invention is for a device for fastening the blind flange for the pressure test, in particular to move the rotary moving part by the rotation and the moving pressing unit which is moved by the rotation moving part but does not rotate by the anti-rotation port to press the gasket. To prevent the deformation of the gasket and to terminate the operation in one fastening when the test flange and the blind flange are combined with the pressure flange and the blind flange fastening device for pressure test using the same. It is related.

In general, for pressure testing of an article such as a pressure test member such as a pipe, a test flange (TF) and a blind flange (BF) equipped with a pressure test member (T), for example, a pipe, as shown in FIG. The test flange (TF) and the blind flange (BF) are fixed to each other through an old fixture (F) having a gasket (G) disposed therebetween.

Subsequently, while applying pressure to the test member T, it is tested whether the test member T can withstand a predetermined pressure value.

However, in the conventional case, as described above, the test flange TF and the blind flange BF are fixed by a plurality of fasteners F installed in the circumferential direction, and the forces mounted for the fasteners F are different. Do.

Therefore, there is a problem that the force acting on the gasket (G) is different and the airtight state may not be complete.

In addition, in the related art, when the test flange TF and the blind flange BF are fixed to each other, the blind flange BF may be rotated. In this case, the gasket G rotates the blind flange BF. There is a problem that can be dried by being damaged or not tightly adhered to the airtight incomplete confidentiality.

In addition, as described above, a plurality of fasteners F for fixing the test flange TF and the blind flange BF are required, and thus there is a problem in that much time and effort are required for assembly.

The present invention is to solve the above-described problems, while pressing the gasket in a non-rotating state when pressing the gasket to be pressed with a uniform force to prevent deformation of the gasket to achieve a complete airtight while easy blind flange It is an object of the present invention to provide a rotation block pressurization device that can be secured and a blind flange fastening device for pressure test using the same.

The present invention for achieving the above object is a rotary moving part 110 that moves by rotation, and a moving pressing unit attached to the rotary moving part 110 to move in conjunction with the movement of the rotary moving part 110 ( 130 and a rotation preventing device 120 having a bearing disposed between the rotation moving part 110 and the moving pressing part 130 to prevent rotation of the moving pressing part 130. There is one feature of the rotation block pressurization device.

In addition, the moving moving part 110 and the moving moving part 130 attached to the rotary moving part 110 to move in conjunction with the movement of the rotary moving part 110 and rotated by the rotation moving part ( It is disposed between the 110 and the moving pressing unit 130 includes a rotation preventing device 120 to prevent the rotation of the moving pressing unit 130, the rotary moving unit 110 is a cylindrical moving unit main body 111 ), A space portion 113 formed to be recessed in the end surface of the pressurizing portion 130 side of the moving portion main body 111, and a circumference around the side of the moving portion main body 111 on which the space portion 113 is formed. And a protruding disk 112 protruding in a low disk shape, wherein the moving pressing unit 130 protrudes from the disk-shaped pressing unit body 131 and the pressing unit main body 131 which are in contact with the protruding disk 112. And an insertion protrusion 133 rotatably inserted into the space 113, and the rotation Earth 120 is a further feature to the rotate block-type pressing device comprises a bearing disposed between the projecting disc 112 with the pressurizing portion main body 131. The

At this time, the moving part main body 111 further includes an inner bearing 140 disposed in the space portion 113, the outer ring of the inner bearing 140 is fixed to the space portion 113, the inner bearing The inner ring of 140 may be fixed to the insertion protrusion 133.

In addition, the present invention is attached to the rotary moving unit 110 and the rotary moving unit 110 to move by the rotation movement moving unit 130 and the rotation moving in conjunction with the movement of the rotary moving unit 110 Is disposed between the moving unit 110 and the moving pressing unit 130 includes a rotation preventing device 120 to prevent the rotation of the moving pressing unit 130, the rotary moving unit 110 is a cylindrical moving unit The main body 111, the space portion 113 is formed so as to be recessed in the end surface of the pressure moving portion 130 of the moving portion main body 111, and the rotational movement portion on the inner surface of the space portion 113 A moving direction groove 111b formed to be recessed along the moving direction of 110, a rotating direction groove 111c formed to be recessed along the rotational direction of the rotary moving part 110, and the space part 113. It includes a protruding disk 112 protruding in a disk shape around the side of the moving body main portion 111 is formed The moving pressing unit 130 protrudes from the disk-shaped pressing unit main body 131 and the pressing unit main body 131 which is in contact with the protruding disk 112, and is rotatably inserted into the space 113. Rotation blocking type comprising an insertion protrusion 133 and an insertion piece 134 protruding from one side of the insertion protrusion 133 and inserted into the movement direction groove 111b or the rotation direction groove 111c. There is another feature of the pressurization device.

In this case, the anti-rotation hole 120 may be any one of a ball bearing, a roller bearing, or a pitch bearing disposed between the protruding disk 112 and the pressing unit body 131.

In addition, the protruding disk 112 and the pressing unit main body 131 further includes grooves 112a and 131a recessed in an arc shape or a circular shape so that the ball or roller of the ball bearing or roller bearing is mounted. It is also possible.

In addition, the present invention is a device for fastening the blind flange using the rotation block pressurizing device 100, a test flange (TF) is inserted, the test member is inserted, the rotation block type pressing device 100 is a device And a blind flange (BF) into which the rotary moving part 110 is inserted, a gasket (G) disposed between the test flange (TF) and the rotation blocking type pressurizing device (100), and the test flange (TF). ) And a fixture 300 penetrating through the blind flange (BF), the moving pressing portion 130 of the rotation block type pressing device 100 is disposed toward the test flange (TF) side and the rotary moving portion 110 ) Is another feature of the blind flange fastening device for pressure test using a rotation blocking type pressurizing device, characterized in that arranged to the blind flange (BF) side.

At this time, the screw portion (111a) is formed on the outside of the moving part main body 111 of the rotary moving part 110, and the screw part formed in the portion coupled to the moving part main body 111 inside the blind flange (BF) ( BF1) may be further included.

In addition, the moving part main body 111 of the rotary moving part 110 may further include a holding part 115 protruding from the blind flange (BF) side end surface.

In addition, the fastener 300 is a bar-shaped fixture body 310 penetrating through the test flange (TF) and the blind flange (BF) and the groove portion 320 formed to be recessed at one end of the fixture body 310. It includes, but it is also possible to further include a clamp 200 to be fixed to the groove portion 320 so that the fixture 300 is fixed.

According to the present invention described above it is possible to press the gasket in a non-rotating state while pressing it with a uniform force to prevent deformation of the gasket to achieve a complete airtight while easily fixing the blind flange It works.

1 is a conceptual diagram showing a fixing structure of a conventional test flange and a blind flange.
2 and 3 is a conceptual diagram showing an embodiment of a rotation block pressurization device according to the present invention.
Figure 4 is a conceptual diagram showing an embodiment of a blind flange fastening device for pressure test using a rotational block pressurization device of the present invention.

Before describing the various embodiments of the present invention in detail, it will be appreciated that the application is not limited to the details of construction and arrangement of components described in the following detailed description or illustrated in the drawings.

The invention may be embodied and carried out in other embodiments and carried out in various ways.

In addition, device or element orientation (e.g., "front", "back", "up", "down", "top", "bottom" The expressions and predicates used herein with respect to terms such as "," left "," right "," lateral ", etc. are used merely to simplify the description of the present invention, It will be appreciated that the element does not simply indicate or mean that it should have a particular direction.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

The present invention is a rotation block type pressurizing device 100 and a blind flange fastening device 400 for pressure test using the same.

As shown in FIGS. 2 and 3, the rotation blocking type pressurizing device 100 is attached to the rotation moving part 110 and the rotation moving part 110 by the rotation moving part 110. Rotation to prevent the rotation of the moving pressing unit 130 is provided with a moving pressing unit 130 moving in conjunction with the movement of the rotating movement unit 110 and the moving pressing unit 130, the movement pressing unit 130 Prevention device (120).

The rotation movement unit 110 is moved by rotation, for example, the rotation movement unit 110 may move to the left side in the drawing while rotating in the counterclockwise direction.

The moving pressing unit 130 moves in conjunction with the rotating moving unit 110. For example, when the rotating moving unit 110 moves to the left side, the moving pressing unit 130 is pushed to move to the left side. do.

At this time, the rotation preventing unit 120 is provided between the rotation moving unit 110 and the moving pressing unit 130.

The anti-rotation tool 120 is provided with a bearing to prevent the rotation of the rotary moving part 110 from being transmitted to the moving pressing part 130.

By such a configuration, the moving pressing unit 130 compresses the gasket to be described later. At this time, the gasket is compressed without being rolled because the moving pressing unit 130 compresses the gasket in a stopped state without rotation. It is compressed evenly.

By this action, airtightness is completed as will be described later.

Hereinafter, the rotation blocking type pressurizing device 100 of the present invention will be described in more detail with reference to the following examples.

Example 1

Rotation block type pressurizing device 100 of the present invention is attached to the rotary moving part 110 and the rotary moving part 110 to move by rotation as shown in Figure 2 the movement of the rotary moving part 110 It includes a rotation preventing mechanism 120 is disposed between the moving pressing unit 130 and the rotating moving unit 110 and the moving pressing unit 130 moving in conjunction with the movement to prevent the rotation of the pressing unit 130. do.

The rotary moving part 110 is a cylindrical moving part main body 111, a space portion 113 formed to be recessed in the end surface of the pressure moving part 130 side of the moving part main body 111, and the space And a protruding disc 112 protruding in a disk shape around the side of the moving part main body 111 on which the portion 113 is formed.

In addition, the moving pressing portion 130 is protruded from the disk-shaped pressing portion main body 131 and the pressing portion main body 131 in contact with the protruding disk 112 is rotatably inserted into the space 113. An insertion protrusion 133.

That is, the right side surface of the pressing unit body 131 of the moving pressing unit 130 is in contact with the left surface of the protruding disk 112 of the rotary moving unit 110.

At this time, the rotation moving part 110 is moved in the state where the insertion protrusion 133 is inserted into the space portion 113 of the rotation moving part 110, thereby moving the moving pressing part 130 to the left. do.

The anti-rotation port 120 is provided with a bearing or the like disposed between the protruding disk 112 and the pressing unit body 131.

That is, even when the rotation moving part 110 rotates, the rotation is blocked by the rotation preventing device 120 having the bearing or the like.

Therefore, the movement pressing unit 130 does not rotate and moves to the left side in the drawing.

In addition, since the insertion protrusion 133 is also rotatably fixed inside the rotational moving part 110, the transmission of the rotation is blocked in the movement pressing part 130.

On the other hand, it is also possible to include an internal bearing 140 so that the insertion protrusion 133 can be rotatably fixed in the space portion 113 of the rotary moving part 110.

In this case, the outer ring 141 of the inner bearing 140 may be fixed to the space 113, and the inner ring 142 of the inner bearing 140 may be fixed to the insertion protrusion 133.

That is, since the insertion protrusion 133 is fixed to the inner ring 142 of the bearing 140 and the outer ring 141 of the bearing 140 is fixed to the space 113, the rotation moving part ( Even if 110 is rotated, rotation is not transmitted to the insertion protrusion 133 and the pressing unit body 131 connected to the insertion protrusion 133, so that the moving pressing unit 130 is stopped without being rotated. Keep it.

In addition, since the insertion protrusion 133 is fixed to the inner ring 142, the moving pressing part 130 is fixed without being separated from the rotation moving part 110.

In other words, the moving pressing unit 130 is fixed to the rotary moving unit 110, but the transmission of the rotation is blocked to maintain a stopped state.

The anti-rotation hole 120 may use a ball bearing, a roller bearing, or a pitch bearing disposed between the protruding disk 112 and the pressing unit body 131. .

That is, since the protruding disk 112 of the rotary moving unit 110 rotates on the bearing, the rotation is blocked from being transmitted to the moving pressing unit 130.

Meanwhile, the protrusion disk 112 and the pressing unit body 131 further include grooves 112a and 131a recessed in an arc shape or a circular shape so that the ball or roller of the ball bearing or roller bearing is mounted. It is also possible.

That is, the ball or roller rotates to block the rotation transfer as described above, wherein the ball or roller includes grooves 112a and 131a on which the ball or roller can be seated. Can be driven.

Example 2

As shown in FIG. 3, the rotation blocking type pressurizing device 100 to be described in this embodiment is attached to the rotation moving part 110 and the rotation moving part 110 which are moved by rotation as shown in FIG. 3. Rotation prevention device 120 is disposed between the moving pressing unit 130 and the rotary moving unit 110 and the moving pressing unit 130 to move in conjunction with the movement of the movement preventing portion 130 to prevent rotation ).

That is, similar to the first embodiment, but in the case of the present embodiment, the internal bearing 140 described in the first embodiment is not used.

That is, the rotary moving part 110 is a cylindrical moving part main body 111, the space part 113 is formed to be recessed in the end surface of the pressure moving part 130 of the moving part main body 111, In the inner surface of the space portion 113 is formed to be grooved along the direction of rotation of the moving direction groove 111b, which is formed to be grooved along the moving direction of the rotary moving unit 110, the rotary moving unit 110. And a protruding disk 112 that protrudes in a disk shape around the side of the moving part main body 111 on which the space portion 113 is formed.

In addition, the moving pressing portion 130 is protruded from the disk-shaped pressing portion main body 131 and the pressing portion main body 131 in contact with the protruding disk 112 is rotatably inserted into the space 113. An insertion protrusion 133 and an insertion piece 134 protruded from one side of the insertion protrusion 133 and inserted into the movement direction groove 111b or the rotation direction groove 111c.

In other words, the insertion piece 134 of the movement pressing portion 130 is inserted into the movement direction groove 111c of the rotation movement portion 110 and then moved to fit along the rotation direction groove 111b.

That is, since the insertion piece 134 is inserted into the rotary groove 111b while the moving pressing part 130 is fitted to the rotary moving part 110, the rotary moving part 110 is rotated. The moving pressing unit 130 is not rotated, but moves in conjunction with the movement of the rotary moving unit 110.

Otherwise, the description is the same as in the first embodiment, and overlapping description is omitted.

Example 3

In the present embodiment will be described with reference to Figure 4 with respect to the blind flange fastening device 400 for the pressure test using the rotation block type pressing device 100 described above.

That is, the blind flange fastening device 400 for the pressure test is a device for fastening the blind flange using the rotation block type pressurizing device 100 described above, the test flange is inserted, the test flange (TF), and the As the rotation blocking pressurization device 100 is installed, a blind flange BF into which the rotation moving part 110 is inserted, and a gasket disposed between the test flange TF and the rotation blocking pressurization device 100. (G) and a fixture 300 penetrating the test flange TF and the blind flange BF.

That is, the test flange (TF) and the blind flange (BF) to which the test member, for example, a pipe, which is subjected to the pressure test, are fixed to each other, and a gasket is formed between the test flange (TF) and the blind flange (BF). (G) and the rotation blocking type pressurizing device 100 described above are installed.

At this time, the moving pressing portion 130 of the rotation block type pressing device 100 is disposed to the test flange (TF) side and the rotary moving portion 110 is disposed to the blind flange (BF) side.

Thereafter, pressure test is performed on the test member.

On the other hand, the screw portion (111a) formed on the outside of the moving part main body 111 of the rotary moving part 110,

The blind flange BF further includes a screw portion BF1 formed at a portion to which the moving part main body 111 is coupled.

That is, when the moving part main body 111 rotates, the rotating moving part 110 moves to the left side in the drawing by mutual coupling of the screw parts 111a and BF1.

When the rotatable moving unit 110 moves, the gasket G is compressed by interlocking with the rotatable moving unit 110.

At this time, the rotation of the rotation moving part 110 is prevented from being transmitted to the moving pressing part 130 by the rotation preventing part 120.

In other words, the gasket G is pressed in the state in which the moving pressurizing unit 130 is not rotated and stopped so that the gasket G is not dried, and thus the gasket G is uniformly compressed. Strong confidentiality can be secured.

At this time, it is also preferable to further include a holding part 115 protruding from the moving part main body 111 of the rotary moving part 110 to the blind flange (BF) side end surface.

Since the rotary movement unit 110 is moved by rotation in the state inserted into the inside of the blind flange (BF) as described above, the rotary unit main body 111 of the rotary movement unit 110 by the holding unit 115 It can facilitate the rotation.

Meanwhile, the fixture 300 includes a bar-shaped fixture body 310 penetrating through the test flange TF and the blind flange BF, and a recess 320 formed to be recessed at one end of the fixture body 310. It includes, it is also possible to further include a clamp 200 to be fixed to the groove portion 320 so that the fixture 300 is fixed.

If the clamp 200 is installed in the recess 320 of the fastener 300 and the fastener 300 is to be fixed, it is natural that all of the clamp 200 belong to the scope of the present invention.

In this configuration, when the rotary moving part 110 is inserted into the blind flange BF and rotated, the gasket G can be easily compressed as described above.

That is, in the related art, since a plurality of fasteners passing through the test flange TF and the blind flange BF are mounted to compress the gasket as described above, many processes are required for the operation.

However, in the case of the present invention, as described above, by simply inserting the rotary moving unit 110 and rotating the device, the operation can be facilitated.

100: rotation block type pressurization device 110: rotation moving part
120: anti-rotation unit 130: moving pressing unit
200: clamp 300: fixing part
400: blind flange fastening device for pressure test

Claims (10)

delete The moving pressing unit 130 and the rotating moving unit 110 attached to the rotating moving unit 110 and the rotating moving unit 110 to move in association with the movement of the rotating moving unit 110 move by rotation. And a rotation preventing device 120 disposed between the moving pressing unit 130 and preventing the rotation of the moving pressing unit 130.
The rotary moving part 110 is a cylindrical moving part main body 111, a space portion 113 is formed to be recessed in the end surface of the moving pressing unit 130 side of the moving part main body 111, and the space It includes a protruding disk 112 protruding in a disk shape around the side of the moving unit main body 111 is formed,
The moving pressing part 130 is an insertion protrusion protruding from the disk-shaped pressing part main body 131 and the pressing part main body 131 that is in contact with the protruding disk 112 and rotatably inserted into the space 113. Including 133,
The anti-rotation tool 120 is a rotation blocking type pressurizing device, characterized in that it comprises a bearing disposed between the protruding disk 112 and the pressing unit body (131). The method of claim 2,
Further comprising an inner bearing 140 disposed in the space portion 113 of the moving part main body 111,
The outer ring of the inner bearing 140 is fixed to the space portion 113, the inner ring of the inner bearing 140 is fixed to the rotation blocking type pressure device, characterized in that fixed to the insertion protrusion (133). The moving pressing unit 130 and the rotating moving unit 110 attached to the rotating moving unit 110 and the rotating moving unit 110 to move in association with the movement of the rotating moving unit 110 move by rotation. And a rotation preventing device 120 disposed between the moving pressing unit 130 and preventing the rotation of the moving pressing unit 130.
The rotary moving part 110 is a cylindrical moving part main body 111, a space portion 113 is formed to be recessed in the end surface of the moving pressing unit 130 side of the moving part main body 111, and the space A moving direction groove 111b formed to be recessed along the moving direction of the rotary moving part 110 on the inner side of the part 113 and a rotating direction to be recessed along the rotating direction of the rotary moving part 110. A groove 111c and a protruding disk 112 protruding in a disk shape around a side of the moving part main body 111 on which the space portion 113 is formed,
The moving pressing part 130 is an insertion protrusion protruding from the disk-shaped pressing part main body 131 and the pressing part main body 131 that is in contact with the protruding disk 112 and rotatably inserted into the space 113. 133 and an insertion piece 134 protruding from one side of the insertion protrusion 133 and inserted into the movement direction groove 111b or the rotation direction groove 111c. . The method according to claim 2 or 4,
The rotation preventing device 120 is any one of a ball bearing, a roller bearing or a pitch bearing disposed between the protruding disk (112) and the pressing unit body (131). The method of claim 5,
Further comprising grooves 112a and 131a recessed in an arc shape or a circular shape in the protruding disk 112 and the pressing part main body 131,
Rotation block type pressurizing device characterized in that the ball or roller of the ball bearing or roller bearing is mounted.
An apparatus for fastening a blind flange using the rotation blocking type press device 100 according to any one of claims 2 and 4,
A test flange (TF) into which the test member is inserted and mounted,
Blind flange (BF) to which the rotational movement unit 110 is inserted as the rotation block type pressing device 100 is installed,
A gasket (G) disposed between the test flange (TF) and the rotation blocking pressurization device (100);
Including the fixture 300 passing through the test flange (TF) and the blind flange (BF),
The rotation pressing unit 130 of the rotation blocking type pressurizing device 100 is disposed at the test flange TF side, and the rotation moving unit 110 is disposed at the blind flange BF side. Blind flange fastening device for pressure test using pressurization device. The method of claim 7, wherein
A screw portion 111a formed outside the moving unit body 111 of the rotary movement unit 110,
The blind flange fastening device for pressure test using a rotation blocking type pressurizing device, characterized in that it further comprises a threaded portion (BF1) formed inside the blind flange (BF) to which the moving part main body 111 is coupled. The method of claim 7, wherein
A blind for pressure test using a rotation blocking type pressurizing device further comprising a holding part 115 protruding from the moving part main body 111 of the rotary moving part 110 to the blind flange (BF) side end surface. Flange fasteners. The method of claim 7, wherein
The fixture 300 includes a bar-shaped fixture body 310 penetrating through the test flange TF and the blind flange BF and a recess 320 formed to be recessed at one end of the fixture body 310. But
The blind flange fastening device for the pressure test, characterized in that it further comprises a clamp (200) which is installed in the groove portion 320 to fix the fixture (300).

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