JP2001235411A - Pressure testing device of pressure container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pressure testing device of a pressure container constituted compactly and miniaturized as a whole as compared with a conventional pressure testing device, and capable of shortening the transfer distance of the pressure container in a work process to enhance work efficiency. SOLUTION: The pressure testing device of a pressure container is equipped with a water injection device 1 for injecting water in the pressure container A stood upright at a predetermined water injection position 5, a pressure measuring instrument 2 for measuring the pressure of the pressure container A in which water is fully injected, and a drain device 3 for discharging the water in the pressure container A stood upright at a predetermined drain position 6 after the measurement of pressure. A transfer device 20 is provided for hanging up the pressure container A with water fully injected at the water injection position 5 to transfer the same to the pressure measuring instrument 2, and hanging up the pressure container A after the measurement of pressure to transfer the same upright to the drain position 6. The water injection device 1 and the drain device 3 are constituted so as to be movable laterally from the water injection position 5 and the drain position 6 so as to avoid the interference with the transfer device 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for testing pressure resistance of a pressure vessel such as a compressed gas or a liquefied gas. The present invention relates to an apparatus for testing the pressure resistance of a pressure vessel which is configured to perform the test in a state where the pressure is raised.

[0002]

2. Description of the Related Art Heretofore, with respect to this type of pressure test apparatus for a pressure vessel, a loading apparatus which carries a pressure vessel up to a predetermined water injection position with the pressure vessel upright, and a water injection which pours water into the pressure vessel carried into the water injection position. An apparatus, a pressure measuring device for measuring the pressure resistance by submerging the pressure vessel filled with water in a water jacket and measuring the pressure resistance, and water in the pressure vessel in a state where the pressure vessel is set up at a predetermined drainage position after the pressure measurement. And a discharge device for discharging the wastewater from the drainage position to a predetermined discharge position are disclosed in, for example, JP-A-7-11 developed by the present applicant.
No. 0292, Japanese Unexamined Patent Publication No. Sho 64-43741, and the like are already known.

[0003] However, the above-mentioned conventional pressure test apparatus is configured such that a separate carrier is provided for each of the water injection device, the pressure measuring device, and the drainage device, and the pressure vessels are sequentially transferred through the carrier in the order of processes. As a result, not only the entire apparatus becomes longer and larger, but also the transfer distance of the pressure vessel becomes longer, which causes a problem in terms of work efficiency.

[0004] In addition, when draining in a state in which a pressure vessel having a bottom recessed so as to be self-supporting, such as a seamless vessel, is standing, it is only necessary to insert a drain pipe of a drainage device into the pressure vessel and lower the same to the bottom. However, water remains in the concave portion formed on the peripheral side of the bottom in the pressure vessel, and it is difficult to completely drain and dry the pressure vessel.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has a compact and compact structure as a whole, compared to a conventional withstand voltage test apparatus of this type. It is an object of the present invention to provide a pressure vessel withstand pressure test device capable of improving the work efficiency by shortening the transfer distance of the pressure vessel in the work process.

Further, according to the present invention, the water in the container can be efficiently drained and dried efficiently in a state in which a pressure container having a concave portion on the inner side of the bottom like a seamless container is set up. It is an object of the present invention to provide a pressure vessel pressure test device provided with a drainage device.

[0007]

In order to achieve the above-mentioned object, the present invention provides a water injection device for injecting water into a pressure vessel carried in a state where it is set up at a predetermined water injection position, and a pressure container which is filled with water. A pressure vessel withstand pressure measurement device for measuring the pressure resistance, and a drainage device for discharging water in the pressure vessel in a state where the pressure vessel is set up at a predetermined drainage position after the withstand pressure measurement, the pressure vessel withstand pressure test device comprising: A transfer device is provided for lifting the pressure vessel filled with water at the water filling position, transferring the pressure container to the pressure resistance measuring device, lifting the pressure container after measuring the pressure resistance, and transferring the pressure container to the drainage position in an upright state, wherein the water filling device is provided. Is configured to be movable sideways from the water injection position to avoid interference with the transfer device, and the drainage device is laterally moved from the drainage position to avoid interference with the transfer device. Configured to be movable It is characterized in that is.

[0008] A clamp device is provided for holding the pressure vessel at the water injection position and the drain position.

In the pressure vessel pressure test apparatus according to the present invention, the distal end portion of a drain pipe that is vertically slidably mounted through a drain fitting of the drain device is urged so as to bend in a radial direction. Is constituted by a flexible nozzle. Further, stopper means are provided for restricting upward movement of the drainage pipe with respect to the drainage fitting.

Specifically, the drainage device has an air or steam supply passage, and is supported slidably in a vertical direction by a column via a floating mechanism that allows a slight movement in a horizontal plane; A drain fitting that can be pressed against the cap of the pressure vessel, a seal packing that is attached to a lower end of the drain fitting and seals the cap of the pressure vessel, and that is vertically slidably mounted through the drain fitting; A drain pipe that can be inserted into the bottom of the pressure vessel through the base, and is connected to a lower end of the drain pipe, is bent in a radial direction, and is urged to abut on a bottom peripheral side wall in the pressure vessel. Flexible nozzle and stopper means for restricting upward movement of the drainage pipe with respect to the drainage fitting.

The drain pipe has a main part made of a rigid pipe material such as a steel pipe, and a lower end part of which is connected to a flexible nozzle made of a resin tube urged to bend in a radial direction. However, the drainage pipe may be constituted by a resin-made flexible tube which is urged to bend in the radial direction. In this case, the flexible tube is slidably penetrated up and down through the drainage metal while guiding it in a straight line via a plurality of guide rollers disposed at a predetermined interval above the drainage metal. Attached.

The flexible nozzle and the resin flexible tube are preferably made of a resin material having excellent heat resistance, such as nylon or Teflon.

[0013] The seal packing is provided with a tapered surface extending outward on the inner peripheral surface, and the drainage fitting is centered with respect to the base by the tapered surface, and the base is sealed. , And can also be used for centering.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic plan view showing an apparatus for testing the pressure resistance of a pressure vessel according to the present invention, and FIG. 2 is a schematic front view thereof. The water injection device 1, the pressure resistance measuring device 2, and the drainage device 3
As shown in the drawing, they are arranged in parallel in the order of the processes, and a water injection position 5 and a drainage position 6 are set before and after in a transfer direction of the pressure vessel A with a water jacket 4 forming a main body of the pressure resistance measuring device 2 interposed therebetween. . The water injection position 5 is provided at the end of the carry-in conveyor 7 for carrying the pressure container A such as a compressed gas or a liquefied gas to be subjected to the pressure test, and the drain position 6 is located next to the pressure container A which has completed the pressure test. It is provided at the starting end of the unloading conveyor 8 for unloading the process. At the water injection position 5, a clamping device 1 having a pair of grip pads 11, 11 disposed opposite to each other in a direction orthogonal to the direction in which the carry-in conveyor 7 is carried in.
0 and 10 are provided. The gripping pads 11, 11 have a V-shaped contact surface that fits the outer peripheral surface of the pressure vessel A, and are operated by air cylinders 12, 12 so as to approach and separate from each other. Is held at a predetermined position. Also, at the drain position 6, clamp devices 13, 13 having a pair of gripping pads 14, 14 arranged opposite to each other in a direction orthogonal to the unloading direction of the unloading conveyor 8 are provided. Both gripping pads 14, 14 also gripping pad 1
The air cylinder 1 has a V-shaped contact surface similar to
The pressure vessels A and 5 are operated so as to approach and separate from each other, and hold the pressure vessel A conveyed to the drain position 6 at the predetermined position when approaching. Further, an extruding device 16 is provided adjacent to the start end side of the unloading conveyor 8. The push-out device 16 has a pusher 18 which is protruded and retracted in the carrying-out direction by an air cylinder 17, and the draining process is completed.
The pressure vessel A, which has been released from the clamping by the pressure, is pushed out in the unloading direction and is sequentially unloaded.

On the other hand, the water injection device 1 and the lid 21 for sealing the water jacket 4 of the pressure-resistant measuring device 2 and the base a of the pressure vessel A are screwed into the base a to seal the base a while the pressure vessel A is suspended. A transfer body portion 20 including a retaining threaded joint 22;
Each of the drainage devices 3 is movably mounted in a horizontal direction on a frame 30 erected in a direction parallel to the water injection position 5, the water jacket 4, and the drainage position 6, that is, parallel to the transfer direction of the pressure vessel A.

As shown in FIGS. 2 to 5, the frame 30 is provided with two guide rails 31, 31 extending in parallel to the lateral direction.
At 31, a column 33 of the water injection device 1, a column 34 of the transfer unit 20 of the pressure resistance measuring device 2, and a column 35 of the drainage device 3 are slidably mounted in the horizontal direction via linear bearings 32, 32, respectively. . And column 3 of water injection device 1
Numeral 3 is movable sideways from a position facing the water injection position 5 by an air cylinder 36. The column 34 of the measuring device 2 is moved from the test position where the water jacket 4 is installed by the double-type air cylinder 37 to a position facing the water injection position 5, from the water injection position 5 to the test position, and further from the test position to the drain position. 6 can be reciprocated. The column 35 of the drainage device 3 can be moved laterally from a position facing the drainage position 6 by an air cylinder 38.

As shown in FIGS. 3 and 6, an arm 41 for mounting a water injection fitting 40 is attached to the column 33 of the water injection device 1 so as to be able to move up and down.
1 is raised and lowered by an air cylinder 42 fixed to the column 33.

The water injection fitting 40 has a nozzle 43 at a lower end thereof.
In order to position it on the base a and automatically center it,
It is attached to the distal end of the arm 41 via the floating mechanism 44 so as to be able to move slightly in a horizontal plane.

As shown in FIG. 6, the floating mechanism 44 is provided on a supporting frame 45 fixed to the arm 41.
The coil spring 4 is supported by a disk 46 fixed to the upper end of the support frame 45 via a roller 47 so as to allow a slight movement in a horizontal plane, and interposed between the support frame 45 and the drainage fitting 40.
8, the drainage fitting 40 is urged to always return to the center position with respect to the support frame 45.

The provision of such a floating mechanism 44 allows the clamp device 1 to be carried into the water injection position 5 and
Even if the nozzle 43 of the water injection fitting 40 is slightly displaced with respect to the base a of the pressure vessel A held by 0 and 10,
The nozzle 43 is automatically centered with the lowering of the water injection fitting 40, so that the nozzle 43 can be smoothly inserted into the base a and water can be injected into the pressure vessel A.

The transfer member 20 of the pressure-resistant measuring device 2 is shown in FIG.
As shown in, it is attached to the column 34 so as to be able to move up and down,
And it is raised and lowered by a lifting device 50 attached to the column 34. The elevating device 50 includes two sprocket wheels 51, which are supported side by side at the upper end of the column 34.
One end of an operation chain 55 hung between a wheel 52 and a sprocket wheel 54 movably supported by an air cylinder 53 fixedly mounted on the column 34 is fixed to the column 34, and the other end is transferred to the column 34. When the sprocket wheel 54 is moved up and down by the air cylinder 53 and is connected to the
, So that it can be lifted and lowered.

A rotary drive 56 for the threaded joint 22 is provided on the transfer part 20. The rotary driving device 56 is the same as that described in the above-mentioned Japanese Patent Application Laid-Open No. Hei 7-110292 developed by the present applicant, and details thereof will be omitted. Is inserted into the base a of the pressure vessel A, the rotary drive 56
And screwed into the base a, the base a is sealed with the screw joint 22, and the pressure vessel A is transferred to the transfer body portion 20 via the screw joint 22 in a suspended state.

As shown in FIG. 5, the column 35 of the drainage device 3 has a first arm 6 on which a drainage fitting 60 is mounted in the middle stage.
The first arm 61 is mounted so as to be able to move up and down.
Is raised and lowered by an air cylinder 63 provided on a bracket 62 projecting from the column 35. A second arm 64 that supports the upper end of the drain pipe 70 is attached to the upper part of the column 35 so as to be able to move up and down.
4 is raised and lowered by an air cylinder 65 provided at a lower portion of the column 35.

As shown in FIG. 7, the drainage fitting 60 has a through hole 66 through which a drainage pipe 70 penetrates and is slidably mounted at a central portion, and an air or steam supply passage 67 at a side portion.
Is provided. Also, at the lower end of the drainage fitting 60,
A seal packing 68 that is pressed against the base a of the pressure vessel A to hermetically seal is provided so as to surround the lower end opening 69 of the supply passage 67. The lower end opening 69 is provided concentrically with the through hole 66.

The drainage fitting 60 is positioned at the base a of the pressure vessel A transferred to the drainage position 6 and automatically centered, so that the drainage pipe 70 is smoothly inserted into the base a. The floating mechanism 44 is provided at the tip of one arm 61.
It is mounted in a floating state that allows a slight movement in the horizontal plane via the. Since the floating mechanism 44 is the same as that of the water injection device 1 described above, the same components are denoted by the same reference numerals and description thereof will be omitted.

The drain pipe 70 has a steel pipe 71 as a main part, and a flexible nozzle 72 made of a resin material having excellent heat resistance such as nylon or Teflon is connected to a lower end of the steel pipe 71. The flexible nozzle 72 is biased so as to bend in the radial direction, and is configured to bend in the radial direction and abut on the inner wall surface of the pressure vessel A when inserted into the pressure vessel A through the mouthpiece a. Have been.

The drain pipe 70 is connected to a drain pipe connecting fitting 73 by suspending the upper end of a steel pipe 71 constituting a main part.
A flexible nozzle 72 penetrates the through hole 66 of the drainage fitting 60, and is attached in a state where the tip extends to near the lower end opening 69.

As shown in FIG. 7, a drain pipe connection fitting 73 communicates with a drain pipe 70 and opens to a drain passage 74 which opens to the side.
have. The drain connection fitting 73 is connected to the second arm 64.
Is mounted to the tip of the device via a floating mechanism 75 in a state in which a slight movement is allowed in a horizontal plane. The floating mechanism 75 has a pusher 7 which is loosely fitted with a support plate 76 fixed to the second arm 64 in a concave portion formed above the connection fitting 73 and is urged upward by a compression spring 78.
7 and a pusher 80 which is loosely fitted in a concave portion of the cover body 79 and urged downward by a compression spring 81 via a roller 82 to connect the connection fitting 73 and the cover body 79 to each other. The screw shaft 83 passes through a through hole 84 provided in the support plate 76, and a lower end portion is pivotally connected to a connection fitting 73 via a pin 85, and an upper end portion has a through hole 86 provided in a cover body 79. A nut 87 is screwed into the penetrating and projecting screw portion, and is fixed to the cover body 79. The provision of such a floating mechanism 75 allows the drain pipe connection fitting 73 to slightly move in the horizontal plane, and therefore the drain pipe 70 follows the drain fitting 60 displaced for centering. Then, it is smoothly inserted into the base a of the pressure vessel A.

A stopper rod 90 for restricting the upward movement of the drainage pipe 70 with respect to the drainage fitting 60 is provided in parallel with the drainage pipe 70. The stopper rod 90 has screw portions 91 and 92 at both upper and lower ends, and the lower end screw portion 91 is connected to the arm 61.
The upper end screw portion 92 penetrates the locking cylinder 93 fixed to the arm 64, and a lock nut 94 is screwed to the protruding upper end screw portion 92, as shown in FIG. As described above, the upward movement of the drain pipe 70 is restricted at the position where the locking cylinder 93 contacts the lock nut 94, and the lower end of the drain pipe 70, that is, the tip opening 72 a of the flexible nozzle 72 is sealed at this upper limit position. It is set so as to be located above the packing 68 (see FIG. 8).

The seal packing 68 is provided with a tapered surface 68a extending outward on the inner peripheral surface. As shown in FIG. 8, when the pressure vessel A is small, the diameter of the base a is small. The tapered surface 68a is positioned so as to be pressed against the outer peripheral surface of the base a, and the base a is sealed while performing centering as shown by a virtual line, and the drainage pipe 70 is smoothly inserted into the pressure vessel A through the base a. It is to be inserted.

Next, the pressure vessel A constructed as described above
The working process of the withstand voltage test device will be described.

FIGS. 1 and 2 show that the water injection device 1 has a water injection position 5.
From the drain position 6 to the side from the drain position 6. When the pressure vessel A is carried into the water injection position 5 by the carry-in conveyor 7, the clamping device 1
0 and 10 operate to position and hold the pressure vessel A at the water injection position 5. In this state, the water injection device 1 moves to the water injection position 5, and as shown in FIG. 3, the water injection fitting 40 facing the pressure vessel A descends, and the nozzle 43 is inserted into the base a to inject water into the pressure vessel A. . At this time, the pressure vessel A and the water injection fitting 4
Although 0 is positioned at a predetermined position, a slight displacement is inevitable. Such a slight displacement is absorbed by the floating mechanism 44,
The nozzle 43 is automatically centered and inserted smoothly into the base a.

When the water injection step is completed, the water injection device 1 is turned on as shown in FIG.
And to the side shown in FIG.

Next, the transfer part 20 of the pressure-resistant measuring device 2 moves to the water injection position 5 along the guide rails 31,31.
The transfer body part 20 moved to the water injection position 5 is the water injection device 1
The screw joint 22 is screwed into the base a of the pressure vessel A which is filled with water at the water injection position 5 to seal the base a. Subsequently, the transfer body portion 20 is lifted to lift the pressure vessel A via the screw joint 22 and transfer the pressure vessel A to the pressure measurement position where the water jacket 4 is installed.
At the pressure resistance measurement position, the transfer body section 20 descends to sink the pressure vessel A into the water jacket 4, and the pressure vessel A is closed by the pressurizing device (not shown) while the water jacket 4 is closed by the lid 21. Apply pressure and measure the amount of expansion. When the measurement is completed, the transfer body section 20 rises again, and the pressure vessel A is lifted from the water jacket 4, suspended in an upright state, and transferred to the drain position 6. At this time, since the drainage device 3 is moving to the side as shown in FIG. 1, the transfer body portion 20 descends at the drainage position 6 without interfering with the drainage device 3, and
The pressure vessel A can be placed at the upper predetermined position.
When the pressure vessel A is placed at the drain position 6, the screw joint 22
Is removed from the base a, and the transfer body portion 20 returns to the pressure-resistance measuring position above the water jacket 4.

On the other hand, the pressure vessel A transferred to the drain position 6
Is held at a predetermined position by the clamp devices 13 and 13, and is positioned at the drain position 6 below the drain fitting 60 as shown in FIG. In this state, the air cylinder 6
When the drainage fitting 60 is lowered via the first arm 61 by 3, the seal packing 68 is pressed against the base a of the pressure vessel A to seal the base a and the flexible nozzle 72.
Is inserted into the base a. At this time, even if the flexible nozzle 72 is slightly displaced with respect to the base a, such a slight displacement is absorbed by the floating mechanism 44 and the upper end of the drain pipe 70 is connected in a suspended state. Since the drain pipe connection fitting 73 follows and interlocks with the drain fitting 60 via the floating mechanism 75, the flexible nozzle 72 forming the distal end of the drain pipe 70 is smoothly inserted into the base a. Therefore, there is no possibility that the tip portion of the flexible nozzle 72 is damaged or deformed by the screw portion of the base a. When the distal end portion of the flexible nozzle 72 is inserted into the base a in this manner, the air cylinder 65 operates, and as shown in FIG.
Then, the drainage pipe 70 is lowered through the nozzle 4 until the tip of the flexible nozzle 72 reaches the bottom of the pressure vessel A. Since the flexible nozzle 72 inserted into the pressure vessel A is urged to bend in the radial direction, the flexible nozzle 72 descends to the bottom surface in a posture in which the tip abuts on the side wall in the vessel. Therefore, as shown in the figure, even if the pressure vessel A is a seamless vessel and the bottom is recessed and the bottom has a circular recess 90 around the bottom inside the vessel, the tip opening 72a of the flexible nozzle 72 is 90 can be reached. When air or steam is injected through the supply passage 67 of the drainage fitting 60 in this lowered state, water in the concave portion 90 on the bottom of the container is sucked up from the tip of the flexible nozzle 72, and the upper end of the drainage pipe 70 is connected. It is discharged through the drainage passage 74 of the connection fitting 73.

In the above embodiment, the water injection step, the pressure measurement step, and the drainage step are individually described. However, in the actual operation, the water injection step, the pressure measurement step, and the drainage step are performed simultaneously. Only when the part 20 moves to the water injection position 52 or the drainage position 6, the water injection device 1 or the drainage device 3 moves to the side to avoid interference with the transfer body part 20.

FIGS. 9 and 10 show an embodiment in which the entire drainage pipe 70 is integrally formed by a flexible tube 100 urged in a radial direction. Flexible tube 100
Similar to the flexible nozzle 72, a tube made of a resin material having excellent heat resistance such as nylon or Teflon (registered trademark) is preferable.

In this embodiment, since the entire drainage pipe 70 is flexible, a guide body 101 for guiding the drainage pipe 70 is fixedly provided on the upper part of the drainage fitting 60.
The guide body 101 has a C-shaped cross section open on the side (see FIG. 10), and guide rollers 102, 10 opposed to the inside.
A plurality of sets 2 are arranged at regular intervals in the vertical direction, and the drain pipe 70 (100)
It is configured to move up and down along the guide body 101 while being linearly guided while passing between the two. Also in this case, as in the previous embodiment, the distal end portion of the drainage pipe 70 made of the flexible tube 100 penetrating through the drainage fitting 60 and inserted into the pressure vessel A through the mouthpiece a is bent in the radial direction, Descend to the bottom in a position in contact with the side wall in the container,
Drainage and drying work is performed.

[0040]

As described above, according to the pressure test apparatus of the present invention, the water injection device and the drainage device avoid interference with the moving part (including the lid, the screw joint and the driving means thereof) of the pressure test device. Because it is configured to be able to move to the side,
It is now possible to set the water injection position and the drainage position of the pressure vessel close to the pressure resistance measuring device. Therefore, not only can the entire device be made compact to reduce its size,
This has the effect that the transfer distance of the pressure vessel in the work process between the water injection position and the drainage position can be shortened, and the work efficiency can be improved.

Further, according to the third aspect of the present invention, since the distal end portion of the drain pipe of the drain device is constituted by the flexible nozzle which is urged to bend in the radial direction,
The flexible nozzle of the drain pipe inserted into the pressure vessel can be lowered to the bottom while abutting the inner wall of the vessel. Therefore, even in a pressure vessel in which a concave portion is formed in the peripheral portion inside the bottom portion like a seamless container with a concave bottom portion,
It can be completely drained and dried upright.

[Brief description of the drawings]

FIG. 1 is a schematic plan view of an apparatus for testing pressure resistance of a pressure vessel according to the present invention.

FIG. 2 is a schematic front view of the same.

FIG. 3 is a side view of the water injection device.

FIG. 4 is a side view of the withstand voltage measuring device.

5A and 5B are side views of the drainage device, wherein FIG. 5A shows a state before the drainage pipe is inserted, and FIG. 5B shows a state where the drainage pipe is inserted.

FIG. 6 is a vertical sectional front view of a main part of the water injection fitting.

FIG. 7 is a vertical sectional front view of a main part of the drainage device.

FIG. 8 is an explanatory view showing a use state in which the drainage fitting is applied to a small container.

FIG. 9 is a longitudinal sectional front view of a main part showing another embodiment of the drainage device.

FIG. 10 is a plan view of a main part of FIG. 9;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 water injection device 2 pressure resistance measurement device 3 drainage device 4 water jacket 5 water injection position 6 drainage position 10,13 clamp device 16 extrusion device 20 transfer body part of pressure resistance measurement device 2 21 lid 22 screw joint 30 frame 31 guide rail 32 linear bearing 33 Column of the water injection device 1 34 Column of the transfer body part 20 35 Column of the drainage device 3 40 Water injection fitting 43 Nozzle 44 Floating mechanism 50 Lifting device 60 Drainage fitting 68 Seal packing 68a Taper surface of seal packing 68 70 Drain pipe 71 Steel pipe 72 Possible Flexible nozzle 73 Drainage pipe fitting 75 Floating mechanism 90 Stopper rod 100 Flexible tube (drainage pipe) 101 Guide 102 Guide roller

Claims (7)

[Claims] 1. A water injection device for injecting water into a pressure vessel carried in a standing state at a predetermined water injection position, a pressure resistance measurement device for measuring pressure resistance of a pressure container filled with water, A drainage device for discharging water in the pressure vessel in a state where the pressure vessel is set up, and a pressure-resistant test device for the pressure vessel, comprising: lifting the pressure vessel filled with water at the water filling position,
A transfer device is provided for transferring to the pressure-resistant measuring device, lifting the pressure vessel after the pressure-resistant measurement, and transferring the pressure container to the drainage position in an upright state, wherein the water injection device is used to avoid interference with the transfer device. A pressure vessel configured to be movable from the position to the side, and the drainage device is configured to be movable from the drainage position to the side to avoid interference with the transfer device. Pressure test equipment. 2. A pressure vessel test apparatus according to claim 1, further comprising a clamp device for holding said pressure vessel at said water injection position and said drainage position. 3. A water injection device for injecting water into a pressure vessel carried in a standing state at a predetermined water injection position, a pressure resistance measurement device for measuring pressure resistance of a pressure container filled with water, and a pressure measurement device at a predetermined drain position after the pressure measurement. A drainage device for discharging water in the pressure vessel with the pressure vessel standing, comprising: a drainage device slidably mounted vertically slidably through a drainage fitting of the drainage device. An apparatus for testing pressure resistance of a pressure vessel, comprising a flexible nozzle which is urged so that a distal end portion of a pipe is bent in a radial direction. 4. A pressure vessel pressure test apparatus according to claim 3, further comprising stopper means for restricting upward movement of said drainage pipe with respect to said drainage fitting. 5. The drainage device has an air or steam supply passage, is vertically slidably supported by a column via a floating mechanism that allows a slight movement in a horizontal plane, and includes a pressure vessel. A drain fitting that can be pressed against a base; a seal packing attached to a lower end of the drain fitting to seal the base of the pressure vessel; and a vertically slidable mounting penetrating the drain fitting, and through the base. A drain pipe that can be inserted up to the bottom in the pressure vessel, connected to a lower end of the drain pipe, and bent in a radial direction,
A flexible nozzle urged to abut against a bottom peripheral side wall in the pressure vessel, and stopper means for restricting upward movement of the drainage pipe with respect to the drainage fitting are provided. The pressure test apparatus for a pressure vessel according to claim 3. 6. The drainage pipe and the flexible nozzle are integrally formed by a flexible tube urged to bend in a radial direction, and the flexible tube includes the drainage fitting. 6. The drainage fitting is slidably mounted vertically through a plurality of guide rollers disposed at a predetermined interval above the drainage member. Pressure vessel pressure test equipment. 7. The seal packing has an outer peripheral tapered surface on an inner peripheral surface, and the drain metal fitting is centered with respect to the base by the tapered surface, and the base is sealed. 7. A pressure test apparatus for a pressure vessel according to claim 5, wherein