JPH08261213A - Installation device for vessel - Google Patents

Abstract

PURPOSE: To improve the workability of fixing a cylindrical vessel by remote control make easy the work for releasing installation of the vessel, and improve applicability even if the installation atmosphere is narrow and radiation atmosphere. CONSTITUTION: This device is provided with a sole plate 3 arranged in a fixed state on an inner bottom part of a narrow part, an engaging part 21 arranged at an outer bottom part of a cylindrical vessel 2 and engaged with the circumference of the plate 3, a pin fitting hole 31 arranged at the plate 3, and a lock pin 6 inserted in the hole 31 at installation, in the case where the vessel 2 is erected at the narrow part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container installation device, and more particularly to a technique for installing and releasing a cylindrical container on a narrow portion by remote control.

[0002]

2. Description of the Related Art When a cylindrical container is installed upright,
When the installation location is inside the cylindrical hole, the workability of installation of the cylindrical container is significantly affected by the presence or absence of a working space between the inner wall of the cylindrical hole and the outer wall of the cylindrical container.

When a sufficient working space is secured, for example, a method of fixing a cylindrical container to a base plate arranged on the installation floor with bolts, nuts or the like is adopted.

On the other hand, when the installation location of the cylindrical container is a narrow part such as the inside of a cylindrical hole where it is difficult to secure a working space, or when the installation location is in a radiation atmosphere,
Chemical anchors are used instead of bolts and nuts.

[0005]

However, with the fixing method using the chemical anchor, when it is necessary to pull up the cylindrical container after fixing, it becomes difficult to dismantle the fixed portion, and the narrow portion and radiation If it is an atmosphere, dismantling work will be extremely difficult.

The present invention has been made in view of such circumstances, and achieves the following objects. Securely fix the cylindrical container by remote control. To improve workability when installing a cylindrical container. To make it possible to easily perform the dismounting work of the cylindrical container. To improve the applicability of the cylindrical container installation environment under adverse conditions where the space is narrow and the atmosphere is radiation.

[0007]

[Means for Solving the Problems] When a cylindrical container is erected on a narrow part in a standing state, a sole plate fixedly arranged on the inner bottom part of the narrow part and a lower part on the outer bottom part of the cylindrical container. An engaging portion that is arranged in a protruding state and that engages around the sole plate, a pin housing hole that is arranged in the sole plate along the radial direction, and a lock pin that is inserted into the pin housing hole during installation The configuration is adopted. An elastic member for ejecting the inserted lock pin to the outer peripheral surface position by elastic force is arranged in the pin receiving hole in the sole plate, and the elastic member is pinned by moving downward around the cylindrical container. A lock operation member to be inserted into the storage hole is arranged.
It is preferable that the lock operation member has a ring shape that is externally fitted to the cylindrical container and has a tapered shape in which the lower portion is widened. In place of the restraint means by the pin housing hole and the lock pin in the above, an engaging portion which is arranged in a protruding state downward on the outer bottom portion of the cylindrical container and engages around the sole plate, and the engaging portion can be horizontally rotated. The lock arm disposed on the outer circumference of the sole plate, the operation arm disposed at a position of approximately 90 degrees with respect to the lock arm integrally with the outer circumference of the outer bottom of the cylindrical container in a projecting state, And a top wall portion that allows the tip end portion of the lock arm to rotate horizontally and restrains the upward movement of the lock arm.
The operation arm has a bifurcated shape, and is set such that one operation arm maintains a state in which it projects outward from the engagement portion both during installation and release thereof. Further, instead of the above-mentioned restraint means, in a cylindrical container placed upright in the narrow portion, a locking uneven portion formed on the inner surface of the narrow portion and a protruding state on the outer surface of the cylindrical container. A configuration including a shape memory alloy engaging member that suppresses vertical and horizontal movements by being arranged and transformed into a memory shape when the cylindrical container is installed and engaging with the locking concave and convex portions is adopted.

[0008]

[Function] With the inner bottom of the narrow part and the sole plate fixed by chemical anchors or the like, the cylindrical container is inserted into the narrow part, and the lock pin of the engaging part at the outer bottom of the cylindrical container is locked. , In the state of being aligned with the pin receiving hole of the sole plate, by inserting the lock pin into the pin receiving hole, the upward movement of the cylindrical container is restrained and the horizontal direction of the cylindrical container is restricted. Restrain movement. At this time, the weight support of the cylindrical container is performed by the sole plate and fixed in an upright state. When the elastic member is arranged in the pin storage hole of the sole plate,
In the natural state, the lock pin protrudes from the outer peripheral surface of the sole plate due to the elastic force, and the lock operation member is operated to push the lock pin against the elastic force at the tapered portion, thereby fixing the cylindrical container. Done. When pulling out the cylindrical container from the narrow part, the lock operation member is raised to move the lock pin outward by the elastic force, and the engagement part of the cylindrical container and the sole plate are released. In this state, the cylindrical container is moved upward. The vertical movement of the cylindrical container and the lock operating member is performed by remote control using a manipulator or the like. When a structure including a lock arm, an operation arm, and an upper wall portion is adopted instead of the restraining means by the pin housing hole and the lock pin, the operation arm in a protruding state is horizontally rotated on the outer peripheral surface of the outer bottom portion. Then, the tip end portion of the lock arm is aligned with the lower position of the upper wall portion, and the upward movement is restrained by the contact between the tip end portion of the lock arm and the upper wall portion. The fixation of the cylindrical container is released by horizontally rotating the bifurcated operation arm and removing the lock arm from the sole plate. Further, in place of the above-mentioned restraint means, when the engaging concave and convex portion and the shape memory alloy engaging member are provided, the heating fluid is sprayed onto the shape memory alloy engaging member, or the contents of the cylindrical container are stored. Depending on whether heat is transferred to the shape memory alloy engaging member to heat it, it is transformed into a memory shape, and the engaging concave-convex portion and the shape memory alloy engaging member are brought into an engaged state to move vertically and horizontally. Suppress. In this case, the fixation of the cylindrical container is released by forcibly deforming the shape memory alloy engaging member into a shape that can be released by mechanical force, or by cutting the shape memory alloy engaging member.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a container mounting apparatus according to the present invention will be described below with reference to FIGS. In the figure, reference numeral 1 is a concrete structure, 2 is a cylindrical container, 3 is a sole plate, 4 is a fixing means, 5 is a restraining means, 6 is a lock pin, 7 is a lock operating member, and G is a narrow portion.

The concrete structure 1 is an existing one formed for installing a cylindrical container 2 in a radiation control area, for example, and an inner bottom portion 12 of a cylindrical hole 11 formed in the concrete structure 1 is provided. Then, the cylindrical container 2 is placed upright. Then, when the diameter of the cylindrical hole 11 is set to be slightly larger than the outer diameter of the cylindrical container 2, the narrow portion G is formed between the cylindrical container 2 and the cylindrical hole 11. To be done.

As shown in FIG. 3, the cylindrical container 2 is arranged in an upright state in a cylindrical hole 11 for accommodating a radioactive substance and the like. The sole plate 3 is placed on the inner bottom portion 12 in a fixed state by the fixing means 4 in advance, and as shown in FIGS. 1 and 2,
A cylindrical engaging portion 21 that projects downward is disposed on the outer bottom portion, and, as shown in FIG. 3, an inward flange 22 used during suspension is disposed on the upper edge portion. In addition, the pin insertion holes 2 in a state of penetrating in the radial direction are provided at a plurality of positions of the engaging portion 21.
3 is formed.

As shown in FIGS. 2 and 3, the sole plate 3 is arranged in a fixed state by the fixing means 4 on the inner bottom portion 12 of the narrow portion G, and has the above-mentioned pin insertion on the outer peripheral surface. A plurality of pin accommodating holes 31 are formed along the radial direction corresponding to the positions where the holes 23 are formed, and a step portion 32 having a larger diameter in a radially outward protruding state is arranged at a lower position.

In the fixing means 4, a cylindrical hole 11
It is sufficient that the inner bottom portion 12 and the sole plate 3 can be integrally fixed, and if the concrete structure 1 and the cylindrical hole 11 are existing ones, a chemical anchor is suitable. It should be noted that the fixing means 4 is not limited to a chemical anchor, but, for example, an anchor bolt may be embedded in the inner bottom portion 12 of the cylindrical hole 11 and the nut may be remotely rotated to be fastened. There is no big difference.

In the restraint means 5, the cylindrical container 2
Engaging portion 21 and the pin receiving hole 31 of the sole plate 3
And the lock pin 6 which is arranged in the pin insertion hole 23 so as to be movable in the radial direction in the normal state in a normal state, and is arranged so as to be movable in the pin storage hole 31. Movable plate 33, a spring installation hole 34 formed in the inner part of the pin housing hole 31, and a movable plate 33 which is disposed between the spring installation hole 34 and the movable plate 33 to open the movable plate 33 by an opening edge 31a.
It has a resilient member 35 that is always pressed against.

The lock operating member 7 is formed in a ring shape and is arranged so as to be fitted around the cylindrical container 2 so as to be movable up and down, and the lower end thereof is spread downward. At the same time, a taper portion 7a for contacting the outer end portion of the lock pin 6 and moving the lock pin 6 inwardly is formed, and a taper portion that is suspended by the operation wire 7b and is vertically moved is applied.

In the container mounting device thus constructed, when a new cylindrical container 2 is installed inside the cylindrical hole 11 which is the narrow portion G, the sole plate 3 is prepared. Then, as shown in FIG.
After the cylindrical container 2 is fixed to the inner bottom portion 12 by the fixing means 4, the cylindrical container 2 is installed. On the other hand, in the cylindrical container 2, a pin insertion hole 23 is formed in the engaging portion 21, and then the cylindrical container 2 is hung in the cylindrical hole 11 to make the cylindrical container 2 Installation work is carried out.

In the natural state, the elastic member 35.
Because the moving plate 33 is pushed outward by the elastic force of the moving plate 33, the moving plate 33 is pressed against the opening edge portion 31a, and its outer position is flush with the outer peripheral surface of the cylindrical container 2. The inner end of the lock pin 6 does not enter the pin storage hole 31 and the vertical movement of the cylindrical container 2 is not hindered.

Insert the cylindrical container 2 into the cylindrical hole 11,
When the lock pin 6 of the engagement portion 21 is aligned with the pin storage hole 31 of the sole plate 3, the weight support of the cylindrical container 2 and the vertical alignment of the lock pin 6 are cylindrical. The outer bottom portion of the container 2 is placed on the sole plate 3, and thereafter, the cylindrical container 2 is supported in an upright state.

Then, the lock operating member 7 is lowered to
As shown in FIGS. 1 and 2, the elastic member 3 is formed by the tapered portion 7a.
When the lock pin 6 is inserted all the way into the pin housing hole 31 against the resilience of No. 5, the upward movement of the cylindrical container 2 is restrained and the movement is restrained even in each horizontal direction. It becomes fixed. Then, as shown in FIG. 2, when the operating member 7 is located outside the lock pin 6, the lock pin 6 does not move carelessly and the fixed state of the cylindrical container 2 is maintained.

On the other hand, when the cylindrical container 2 is pulled out from the cylindrical hole 11, it is carried out by the reverse procedure of the insertion described above. That is, when the lock operation member 7 is pulled up by the operation wire 7b to open the outside of the pin insertion hole 23,
The elastic member 35 moves the lock pin 6 outward, the lock pin 6 is disengaged from the pin storage hole 31, and the cylindrical container 2 and the sole plate 3 are disengaged from each other. It is possible to pull up by moving up. The vertical movement of the cylindrical container 2 and the lock operation member 7 is performed by remote control using a manipulator, a crane or the like.

Next, a second embodiment of the container mounting apparatus according to the present invention will be described with reference to FIGS. In the second embodiment, instead of the restraining means 5 by the pin housing hole 31 and the lock pin 6 in the first embodiment, a mounting hole 24 formed in the engaging portion 21 in a radially penetrating state is provided. A concave portion 36 formed on the outer peripheral surface of the sole plate 3 and facing the mounting hole 24 when engaged, an upper wall portion 37 located above the concave portion 36, and a horizontal rotation in the mounting hole 24 by a support shaft 51. It has a lock arm 52 and an operation arm 53 that are arranged as possible.

The lock arm 52 and the operation arm 5
As shown in FIG. 5, the reference numerals 3 and 3 are integrally arranged at positions of approximately 90 degrees, and the operation arm 53 has a bifurcated shape so that the cylindrical container 2 can be installed and released. One operation arm 53 at any time
Is set so as to maintain a state in which it projects outward from the engaging portion 21. In the support shaft 51, the screw portion 51
The lock arm 52 is attached to the engaging portion 21 by a.
Also, collars 54 are provided on the upper and lower sides of the operation arm 53 to improve the slippage during rotation.

Further, the recess 36 of the sole plate 3 is formed in a size that allows the tip end portion of the lock arm 52 to rotate horizontally, and the upper wall portion 37 is provided with the lock arm 52 upward. It is supposed to come into contact during movement and restrain upward movement.

According to the restraint means 5 of the examples of FIGS. 4 and 5, the recess 36 and the upper wall portion 37 are formed in the sole plate 3 and the lock arm 52, the operation arm 53 and the like are provided in the engaging portion 21. When the cylindrical container 2 is installed (when the engagement is disengaged), the lock arm 52 is prevented from protruding to the inner peripheral surface of the engagement portion 21 as shown in FIG. 5A. In a standby state, the cylindrical container 2 is inserted into the cylindrical hole 11 so that the mounting hole 24 of the engaging portion 21 and the recess 36 of the sole plate 3 are aligned with each other, and then the locking operation member having a rod shape or the like. When the operation arm 53 is pushed and rotated by 7, the lock arm 52 is projected into the recess 36 as shown in FIGS. 5 (a) to 5 (b). To a fixed state where movement to That. The horizontal movement restraint at this time is performed by the engagement portion 21 being fitted onto the sole plate 3 externally. On the other hand, when pulling out the cylindrical container 2 from the cylindrical hole 11, FIG.
Since the reverse procedure of rotating the operation arm 53 to the state is performed, the description thereof will be omitted. These cylindrical containers 2
The installation, fixing, and pulling out of the container are relatively simple in terms of the vertical movement of the cylindrical container 2 and the rotational movement of the operation arm 53, and therefore can be performed remotely using a manipulator or the like. When the installation location of the cylindrical container 2 is in a radiation atmosphere, it is desirable to perform remote control.

A supplementary explanation of the other embodiment of the above-mentioned second embodiment will be made. As shown in FIGS. 5 (a) and 5 (b), the lock arm 52 and the operating arm 53 are not engaged or disengaged. Since it suffices to rotate approximately 90 degrees between the two, the part of the recessed portion 36 is indicated by a chain line X so that one of the bifurcated operation arms 53 does not rotate rightward from the position shown in FIG. It is desirable to make it small.

On the other hand, FIGS. 6 and 7 show a third embodiment of the container mounting apparatus according to the present invention. Instead of the restraint means 5 of the first and second embodiments, the narrow portion G is used. At a plurality of appropriate positions on the inner surface of the cylindrical hole 11 of the concrete structure 1 to be used, for example, a square-hole-shaped locking uneven portion 13
And a plurality of projecting shape memory alloy engaging members 25 are integrally arranged on the outer surface of the cylindrical container 2, and when the cylindrical container 2 is installed, as shown in FIG. The shape memory alloy engaging members 25 are aligned so as to face the locking concave-convex portions 13, and an appropriate heating means,
For example, the shape memory alloy engagement is performed by a method of blowing a high temperature gas to the shape memory alloy engagement member 25 or a method of storing a high temperature fluid inside the cylindrical container 2 and transmitting the heat to the shape memory alloy engagement member 25. The member 25 is transformed into a memorized shape, and as shown in FIGS. 6 and 7, the tip of the shape memory alloy engaging member 25 is inserted into the locking concave and convex portion 13 and the vertical and horizontal movements are performed in the engaged state. It is a restrained restraint state.

In the restraint means 5 of the third embodiment,
The upper and lower edges of the shape memory alloy engaging member 25 are the locking concave and convex portions 13.
The vertical movement is suppressed by contacting the upper and lower surfaces of the upper and lower surfaces, and the distal end of the shape memory alloy engaging member 25 contacts the inner part of the locking concave-convex portion 13 to suppress the radial, that is, horizontal movement. Will be done. 6 and 7, the shapes of the locking concave-convex portion 13 and the shape memory alloy engaging member 25 are not limited, and for example, the locking concave-convex portion 13 is formed from the inner surface of the cylindrical container 2. A protruding technique can be applied.

When releasing the fixation of the cylindrical container 2 in the examples of FIGS. 6 and 7, for the restraint means 5, the shape memory alloy engaging member 25 is forcibly deformed to a shape that can be released by mechanical force. A method such as closing or cutting the shape memory alloy engaging member 25 is adopted.

[0029]

According to the container mounting apparatus of the present invention, the following effects can be obtained. (1) A sole plate arranged on the inner bottom of the narrow space,
By providing an engaging portion arranged on the outer bottom portion of the cylindrical container and engaging around the sole plate, a pin accommodating hole arranged in the sole plate, and a lock pin inserted into the pin accommodating hole It is possible to securely fix the cylindrical container by operating the lock pin by remote control. (2) By disposing the elastic member that discharges the lock pin to the outer peripheral surface position of the sole plate, the cylindrical container can be easily moved up and down, and the fixing workability at the time of installation can be improved. (3) According to the above, even when the installation of the cylindrical container is released, the fixed portion can be released and the cylindrical container can be pulled out freely. (4) By operating the lock pin with the taper portion of the lock operating member, the cylindrical container can be quickly placed in the upright state in the narrow portion only by moving the lock operating member downward. (5) A lock arm horizontally rotatably arranged in the engaging portion, an operation arm integrally arranged in the lock arm, and an upper wall portion for restraining upward movement of the tip end of the lock arm. By adopting the configuration, it is possible to select the engaged state and the disengaged state by rotating the operation arm, simplify the operation, and enhance remote operability. (6) As described above, since the lock arm can be forcibly rotated, the occurrence of failure can be reduced, and the applicability can be enhanced even in a work environment in a narrow space and a radiation atmosphere. (7) As the restraint means, by utilizing the engaging concave and convex portion formed on the inner surface of the narrow portion and the shape memory alloy engaging member arranged on the outer surface of the cylindrical container in a protruding state, It is possible to achieve simplification and cost reduction, and it is possible to reliably perform fixing when the cylindrical container is installed.

[Brief description of drawings]

FIG. 1 is a front sectional view in a non-engaged state showing a first embodiment of a container mounting device according to the present invention.

FIG. 2 is a front sectional view of a container mounting device according to a first embodiment of the present invention in an engaged state.

FIG. 3 is a front cross-sectional view showing an upright state of the cylindrical container in the first embodiment of the container installation device according to the present invention.

FIG. 4 is a front cross-sectional view showing a second embodiment of the container mounting device according to the present invention in a non-engaged state.

5 is a plan sectional view showing the engaged and disengaged states of the restraint means of FIG. 4. FIG.

FIG. 6 is a front cross-sectional view of a third embodiment of the container mounting device according to the present invention in a disengaged state and an engaged state.

FIG. 7 is a horizontal cross-sectional view showing a third embodiment of the container mounting device according to the present invention, in which a part of the disengaged state and the engaged state is omitted.

[Explanation of symbols]

 G Narrow part 1 Concrete structure 2 Cylindrical container 3 Sole plate 4 Fixing means 5 Restraint means 6 Lock pin 7 Lock operating member 7a Tapered part 7b Operating wire 11 Cylindrical hole 12 Inner bottom 13 Locking uneven part 21 Engaging part 22 Inward flange 23 Pin insertion hole 24 Mounting hole 25 Shape memory alloy engaging member 31 Pin storage hole 31a Opening edge part 32 Step part 33 Moving plate 34 Spring installation hole 35 Repulsion member 36 Recess 37 Upper wall part 51 Support shaft 51a Screw part 52 lock arm 53 operation arm 54 color

Claims (4)

[Claims] 1. A cylindrical container (2) vertically arranged on a narrow part (G), wherein a sole plate (3) fixedly arranged on an inner bottom part (12) of the narrow part, An engaging portion (21) which is arranged to protrude downward on the outer bottom portion of the cylindrical container and engages around the sole plate; and a pin accommodating hole (31) which is arranged in the sole plate along the radial direction. An installation device for a container, comprising: a lock pin (6) to be inserted into the pin housing hole during installation. 2. A pin receiving hole (3) for the sole plate (3).
An elastic member (35) for ejecting the inserted lock pin (6) to the outer peripheral surface position by elastic force is arranged in 1), and elastically moves by moving downward around the cylindrical container (2). 2. The container installation device according to claim 1, further comprising a lock operating member (7) for inserting the member into the pin receiving hole (31). 3. A cylindrical container (2) arranged upright in a narrow part (G), the sole plate (3) fixedly arranged in an inner bottom part (12) of the narrow part, An engaging portion (21) which is arranged on the outer bottom portion of the cylindrical container so as to project downward and engages around the sole plate; a lock arm (52) which is horizontally rotatably arranged on the engaging portion; An operation arm (53) which is integrally arranged at a position of approximately 90 degrees with respect to the lock arm and which is arranged in a protruding state on the outer peripheral surface of the outer bottom of the cylindrical container.
And a top wall portion (37) arranged on the outer peripheral portion of the sole plate to allow horizontal rotation of the tip end portion of the lock arm and restrain upward movement of the lock arm. 4. A cylindrical container (2) arranged upright in a narrow portion (G), wherein a locking uneven portion (13) formed on the inner surface of the narrow portion and a cylindrical container. A shape memory alloy engaging member (25) which is arranged in a protruding state on the outer surface and transforms into a memory shape when the cylindrical container is installed and engages with the locking concave and convex portion to suppress vertical and horizontal movement. An apparatus for installing a container, characterized by comprising: