JP2001004793A - Transmitting and receiving device of pneumatic facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transmitting and receiving device of a pneumatic facility that can safely and securely carry out the transmitting and receiving work in sampling even under a high-level radioactive atmosphere where workers must not enter. SOLUTION: This device has a horizontal supporting plate 2 for supporting a pneumatic pipe 1 in a pneumatic facility with an end of the pipe 1 directed downward, a and receiving device 3 with a communication hole 11 that communicates with the end of the pneumatic pipe 1, a lever 4 for attaching the transmitting and receiving device 3 to and detaching it from the horizontal supporting plate 2 and an insertion and detachment mechanism 6 for inserting a sampling container 5 that is pneumatically transported in the pneumatic pipe 1 into a communicating hole 11 of the transmitting and receiving device 3 and detaching the container 5 from the hole 11. This enables the detachment and attachment of the transmitting and receiving device 3 and the transmitting and receiving work on the sampling container 5 through the remote control by a manipulator, so that the pneumatic transportation of sampling can be carried out securely even under a high-level radioactive atmosphere where workers must not enter.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmitter / receiver for a pneumatic facility installed in a nuclear fuel reprocessing facility or the like.

[0002]

2. Description of the Related Art Generally, in a reprocessing step in a nuclear fuel reprocessing facility or the like, for example, it is determined whether or not each step such as decontamination and vitrification is performed accurately. It is necessary to perform sampling as appropriate to investigate each time, but since each of these steps will be performed in a sealed solidified cell etc. to shield high-level radiation, sampling and sampling after sampling should be performed. Transport is a problem.

[0003] Of these, sampling can be performed by remote control using a plurality of manipulators installed in the cell in advance. However, in order to transfer the sampled sample to another cell, radiation must be collected. Various measures must be taken to prevent leaks and worker exposure, and the transport operation is not easy.

For this reason, cells are connected by a pneumatic pipe, and a sampling transceiver is provided at the end of the pneumatic pipe, like a pneumatic equipment for documents and the like which has been used in some fields for a long time. A method has been considered in which the sampling is provided in a sampling container, and is pneumatically sent to a predetermined position together with the sampling container via a pneumatic tube.

However, in the conventional pneumatic equipment used in some fields, the operation of transmitting and receiving the sampling container and the operation of exchanging the transmitter and receiver are all performed manually by humans. However, there is a problem that it cannot be directly applied to a solidified cell or the like which cannot enter directly.

Accordingly, the present invention has been devised in order to effectively solve such a problem, and its object is to perform sampling even in a solidified cell under a high-level radiation atmosphere in which no worker can enter. An object of the present invention is to provide a new transmitting / receiving device of a pneumatic facility capable of performing transmitting / receiving operations safely and reliably.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a horizontal support plate for supporting a pneumatic pipe end of a pneumatic facility downward, and communicating with the pneumatic pipe end. A transceiver having a communication hole, a detachable lever for attaching and detaching the transceiver to and from the lower surface side of the horizontal support plate, and a sampling container to be pneumatically fed through the air pipe are inserted into the communication hole from the bottom of the transceiver. And a detachable insertion / removal mechanism.

Therefore, the transceiver is gripped by the manipulator, and the communication pipe and the end of the pneumatic pipe are positioned on the lower surface of the horizontal support plate so that they communicate with each other. After being attached to the support plate side, the sampling container can be easily sent into the pneumatic tube by inserting the sampling container from the bottom of the transceiver into the communication hole by the insertion / removal mechanism.

[0009] A gripping hole for remotely gripping the transceiver with a manipulator is formed in the transceiver,
The detachable lever and the insertion / removal mechanism are provided with operation wires for gripping and operating the same with a manipulator, and a cutout is formed in the horizontal support plate to avoid interference of the manipulator when the transceiver is mounted. As a result, a series of these operations can be easily and reliably remote-controlled by a manipulator, so even if it is a solidified cell of a nuclear fuel reprocessing facility where workers cannot enter, sampling pneumatic transport is required. Can be transmitted and received.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a front view showing an embodiment of a transmission / reception device of a pneumatic facility according to the present invention, FIG. 2 is a side view thereof, and FIG.
Is a plan view thereof.

As shown in the figure, the transmitting / receiving apparatus comprises a horizontal support plate 2 for supporting an end of a pneumatic tube 1 of a pneumatic facility downward, and a transmitter / receiver 3 located on the lower surface of the horizontal support plate 2.
And a detachable lever 4 for attaching and detaching the transceiver 3 to and from the horizontal support plate 2, and an insertion / removal mechanism 6 for inserting and removing the sampling container 5 into and from the transceiver 3.

First, the horizontal support plate 2 has its end horizontally supported by a support stand 7 erected on the ground, and the end of the air pipe 8 together with the end of the air supply pipe 1. It is intended to be supported. Also, as shown in FIG.
A notch 9 extending in the direction of the support base 7 is formed at the center of the tip of the horizontal support plate 2, and a stopper 1 extending downward on both sides of the tip of the notch 9.
0 is provided. Further, both corners of the tip of the horizontal support plate 2 are cut so as to be narrowed at the center, and one end of the tip is extended so as to extend further forward than the other.

Next, the transmitter / receiver 3 located on the lower surface of the horizontal support plate 2 is formed in a rectangular shape, and has therein a communication hole 11 communicating with the end of the pneumatic tube 1; A communication hole 12 that branches off from the communication hole 11 and communicates with the air pipe 8 side is formed. The lower end of the communication hole 11 penetrates the transmitter / receiver 3 as it is.
It is designed to be inserted and removed inside. Further, a gripping hole 13 is formed at the center of the transceiver 3, so that it can be easily gripped by a manipulator (not shown).

A detachable lever 4 for attaching and detaching the transceiver 3
Are formed in a U-shape, and both lower ends thereof are respectively pin-coupled to the inside of a pair of connecting members 14 and 15 extending upward from the top of the side surface of the transceiver 3 so as to straddle the horizontal support plate 2. They are swingably connected. The upper end of the detachable lever 4 is bent in a direction opposite to the horizontal support plate 2, and the transmitter / receiver 3 is positioned on the lower surface of the horizontal support plate 2 as shown in FIG. Sometimes, it does not interfere with the pneumatic tube 1 and the air tube 8. Further, the detachable lever 4 is provided with an operation wire 16 connected in a ring shape so that it can be easily gripped by a manipulator (not shown).

The insertion / removal mechanism 6 is connected to the communication hole 1 of the transceiver 3.
1, a bracket 17 for supporting an end of the cradle 17 and a bracket 19 for supporting the shaft 18 so as to be able to penetrate from the side of the transceiver 3.
An operating lever 20 for raising and lowering the shaft 18 is provided. As shown in the drawing, after the sampling container 5 is inserted into the receiving cylinder 21 on the receiving base 17, the operating lever 20 is raised. Sampling container 5
Can be inserted into the communication hole 11 of the transceiver 3 from the lower end thereof. The operation lever 20
3 is rotatable in the horizontal direction about a shaft 18 as shown in FIG. 3. When the tip of the shaft 18 is turned in the direction of the transceiver 3, the tip of the shaft 18 is Is locked on one connecting member 15 that connects the two to prevent the falling.
Further, as shown in FIG. 4, a guide 22 that extends a part of the receiving cylinder 21 upward is provided on the back side (the support pedestal 7 side) of the receiving cylinder 21 into which the sampling container 5 is inserted. In addition, the mounting of the sampling container 5 is facilitated. The operation lever 20 is also provided with an operation wire 23 connected in a ring shape, so that the operation wire 23 can be easily gripped by a manipulator (not shown). Reference numeral 24 in FIGS. 1 and 4 denotes a sheet-like packing for keeping the airtightness when the sampling container 5 is inserted into the communication hole 11 of the transceiver 3.

The operation of the device of the present invention will be described above.

First, as shown in FIGS. 2 (1) and 3,
The whole of the transceiver 3 is gripped by a manipulator (not shown) using the holding hole 13 and the transceiver 3 is placed on the horizontal support plate so that the upper end surface of the transceiver 3 is located on the lower surface side of the horizontal support plate 2. 2 and the back surface thereof is brought into contact with a stopper 10 provided on the lower surface of the horizontal support plate 2.

As a result, the communication hole 11 on the transceiver 3 side
Pipe 1 and air pipe 8 on the side of horizontal support plate 2
Is in a state where they coincide with each other. In this movement, since both corners of the horizontal support plate 2 are cut off in a tapered shape as shown in FIG. 3, even if the position is slightly shifted left and right, the horizontal support plate 2 is cut along this notch. Since the positioning is automatically performed, the operation can be easily performed by remote control using a manipulator. Further, since the notch 9 is formed at the center of the horizontal support plate 2, the tip of the manipulator located in the gripping hole 13 of the transceiver 3 when the transceiver 3 moves is moved to the horizontal support plate 2. It can be smoothly and reliably moved to a predetermined position without interfering with the position. Also, since one end of the horizontal support plate 2 extends forward from the other, the transceiver 3 is moved and positioned using the extended end as a guide, so that the transceiver 3 can be accurately positioned. It is also possible to move to the position. In this movement, as shown in FIG. 2A, the attachment / detachment lever 4 is tilted forward in the moving direction so that the tip is positioned horizontally so that the tip is not in the way. .

Next, when the transceiver 3 is moved to a predetermined position in this manner, the detachable lever 4 is operated by another manipulator (not shown) using the operation wire 16 on the detachable lever 4 side. Is turned upward as shown in FIG. This allows the detachable lever 4
Is pivoted toward the horizontal support plate 2 and pressed against the upper surfaces on both sides thereof to lift the transceiver 3.
The upper surface of the horizontal support plate 2 is also pressed to the lower surface side, and at the same time, acts to fix it to the horizontal support plate 2 side. As a result, the communication holes 11 and the air holes 12 on the transceiver 3 side and the horizontal support plate 2 The ends of the pneumatic tube 1 and the air tube 8 on the side are coaxially and precisely coincident with each other, and the two are in a state of communicating with each other.

Next, when the transmitter / receiver 3 is mounted on the horizontal support plate 2 side as described above, as shown in FIGS. 1, 2 (2) and 3, the operation lever 20 of the insertion / removal mechanism 6 is moved. The manipulator (not shown) uses the operation wire 23 to rotate in the forward direction to release the engagement with the connecting member 15 and slide down as it is. The sampling container 5 is placed in the inside so as to be inserted from above by a manipulator (not shown). At this time, as described above, since the guide 22 is formed on the back side of the receiving cylinder 21, the sampling container 5 is positioned with reference to the guide 22 and lowered along the sampling container 5 to easily and reliably. The sampling container 5 can be accommodated in the receiving cylinder 21. Thereafter, the operation lever 20 is lifted again, and the operation lever 20 is rotated in the horizontal direction so that the tip end thereof is locked to the upper end of the connecting member 15. Communication hole 11 inside
Will be completely contained within.

In such a state, the air in the air supply pipe 1 is extracted by an exhaust fan (not shown) at the destination, so that the sampling container 5 accommodated in the transceiver 3 is connected to the communication hole. From 11, the air passes through the pneumatic tube 1 and is pneumatically fed to a predetermined position. When the sampling container 5 is received, the sampling container sent from this state is connected to the communication hole 1 as in the case of pneumatic feeding.
Since the operation lever 20 is in a state of being housed in the housing 1, the operation lever 20 can be easily taken out by releasing and lowering the operation lever 20. Further, when the transmitter / receiver 3 is to be exchanged, contrary to the above-mentioned mounting operation, the detachable lever 4 is tilted to the front side, and the distal end thereof is released from being pressed against the horizontal support plate 2 to easily remove it. be able to.

[0023]

In summary, according to the present invention, the work of attaching / detaching the transmitter / receiver of the sampling container and the work of transmitting / receiving can be easily performed, so that the work can be easily and reliably performed even by remote operation by the manipulator. . As a result, it can be installed in a solidified cell or the like of a nuclear fuel reprocessing facility where no worker can enter, and the work of transmitting and receiving sampling of high-level radioactive materials and the like can be easily performed.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a transmission / reception device of a pneumatic facility according to the present invention.

FIG. 2 (1) is a side view showing a state before the transceiver according to the present invention is mounted on the horizontal support plate side. (2)
FIG. 3 is a side view showing a state where the transceiver according to the present invention is mounted on the horizontal support plate side.

FIG. 3 is a plan view showing a state before the transceiver according to the present invention is mounted on the horizontal support plate side.

FIG. 4 is a side view showing the vicinity of a cradle of the insertion / removal mechanism according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pneumatic pipe 2 Horizontal support plate 3 Transceiver 4 Detachable lever 5 Sampling container 6 Insertion / removal mechanism 9 Notch 11 Communication hole 16,23 Operation wire

Claims (3)

[Claims] 1. A horizontal support plate for supporting a pneumatic tube end of a pneumatic facility downward, a transceiver having a communication hole communicating with the pneumatic tube end, and a horizontal support plate for supporting the transceiver. An air detachable lever which is attached to and detached from the lower surface side of the plate, and an insertion / removal mechanism which inserts and removes a sampling container which is supplied in the air supply pipe from the bottom of the transceiver into the communication hole. Transmission / reception equipment for transmission equipment. 2. The transmitting and receiving device has a gripping hole for remotely gripping the same with a manipulator, and the detachable lever and the insertion / removal mechanism have operating wires for gripping and operating the same with a manipulator. 2. A notch for avoiding interference of a manipulator when the transceiver is mounted on the horizontal support plate.
A transmission / reception device for a pneumatic facility according to claim 1. 3. The insertion / removal mechanism includes a receiving table having a cylindrical receiving tube on which the sampling container is mounted, a shaft supporting the receiving table, and vertically locking the shaft at an upper end thereof. 3. The pneumatic pump according to claim 1, further comprising an operation lever, and a guide for extending a part of the receiving cylinder upward to facilitate mounting of the sampling container. Equipment transmission / reception equipment.