JPH09253400A - Laundry system device in nuclear power plant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the carrying and moving operations of work clothes, to reduce personnels needed for monitoring and operations, to save manpower and to effectively utilize the installation space of a device. SOLUTION: This device is composed of a laundry monitor 1 and a folding machine 2. The laundry monitor 1 is provided with a monitoring conveyor 5 for mounting and moving the measurement object 4 of the work clothes, plural radiation detectors 6 inside the conveyor 5, an operation panel 8 near the conveyor 5, a read out control panel 9 and a microcomputer 10, etc. The folding machine 2 is provided with a sorting conveyor 15, plural moving conveyors, a clothes pressing mechanism, a clothes process congestion preventing mechanism, a clothes kind selecting mechanism and a clothes piling-up mechanism. Washed and dried work clothes are processed and sorted by the operation panel 8 of the laundry monitor 1. Defective items are sorted by the folding machine 2 by signals from the side of the monitor 1. Folded work clothes are automatically piled up and small clothes are dropped in a small article receiving wagon 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to clean working clothes worn in a nuclear power plant, dry them, check contamination with a land re-monitor, select working clothes after monitoring, and perform automatic folding work continuously. The present invention relates to a land re-system device in a nuclear power plant configured to perform.

[0002]

2. Description of the Related Art Radiation protective clothing worn during work in a radiation controlled area is collected in a laundry room of a Landry system after use to remove adhering radioactivity and dirt and used again for work. Radiation protection suits should be separated and washed according to their respective stains and shapes, such as those for the radiation control area and those in the radiation contaminated area.

In the work in the nuclear power plant, dedicated work clothes are obligatory for each work environment area, and these work clothes are subjected to washing and drying treatment in the landry system, and then the contamination level is checked by monitoring,
If there is no effect even if it is equipped on the body, it is reused.

These working clothes range from large items such as work clothes for connecting and underwear to small items such as gloves and socks. The number of clothes is several thousand at the time of periodic inspection of the nuclear power plant, and the monitoring work after washing is Land re-monitoring is performed, and folding work is performed by a folding machine. All these works are mechanized to save labor.

[0005]

SUMMARY OF THE INVENTION In the conventional landry system, the landry monitor and the folding machine are devices that operate independently. That is, after washing the work clothes, the clothes are put on a land re-monitor, checked for contamination, sorted by the sorting device connected to the land re-monitor into good products and defective products, and after this work, only the clothes are manually carried to the folding machine. There is. Therefore, transportation and movement of clothes from the land re-monitor to the folding machine relies on manual operation by the operator, and there is a problem that the work efficiency is extremely low.

[0006] Although there is no functional defect in the land re-monitor, in the folding machine, (1) non-defective clothes fall to the defective side when transferred to the second fold, (2) the second fold It is difficult to adjust because it keeps clothes in the air and folds, (3)
In the third folding, it is difficult to adjust because it is lifted and folded by the upper roller and belt. (4) Since the stacking method is a fall method, it is difficult to adjust the fall position, and there are problems such as collapse.

[0007] Further, there is a demand for a device which can be used separately as a countermeasure against a failure by separately manufacturing a device for large items such as a tie and underwear and a device for small items. Furthermore, since it is necessary to monitor and deploy personnel for each device, further labor saving is required.

The present invention has been made in order to solve the above problems and meet the above demands. The present invention aims to reduce the labor for carrying and moving work clothes, monitoring, and reducing the number of operating personnel, and save labor.
An object of the present invention is to provide a land re-system device in a nuclear power plant that can effectively utilize the installation space of equipment.

[0009]

According to the invention of claim 1, a land re-monitor for post-monitoring work clothes after being worn, cleaned and dried in a nuclear power plant, and a work in which presence or absence of contamination is confirmed by the land re-monitor. A folding machine for continuously folding clothes, the folding machine comprising a sorting conveyor, a clothing press machine, a clothing stroke congestion prevention mechanism, a clothing type selection mechanism and a clothing stacking mechanism, and the land re-monitor is It is characterized in that it comprises an operation panel for generating and operating a signal to the sorting conveyor and each mechanism of the folding machine.

The folding machine receives the work clothes information from the land re-monitor side and appropriately folds it. The sorting conveyor has a contamination determination function, a press mechanism having a clothes expansion prevention function, and a clothes stroke congestion prevention. It has a rubber lining as a mechanism, a conveyor bypass mechanism as a clothing type selection function, and a clothing stacking mechanism having a function of stacking a certain amount of clothing.

By thus providing all operation functions to the laundry monitor side, the operation panel of the folding machine can be reduced, and all clothes can be monitored only by operation and monitoring from the laundry monitor side. → Folding → Stacking series work can be automated and labor-saving.

The invention of claim 2 is characterized in that a piston of a pneumatic cylinder is attached to the sorting conveyor, and the pneumatic cylinder is operated by a signal from a detector of the land re-monitor.

According to a third aspect of the present invention, the clothes pressing mechanism includes a pair of opposing compression rollers, a roller shaft attached to the compression rollers, a bearing for supporting an end portion of the roller shaft, and the bearing. It is characterized by comprising a slide plate and a spring mechanism attached to the slide plate. According to a fourth aspect of the present invention, the clothing stroke congestion preventing mechanism is characterized in that the pressing roller is rubber-lined in cooperation with the clothing pressing mechanism.

According to a fifth aspect of the present invention, the clothing type selection mechanism is provided with a reflection photoelectric tube below the conveyor, and the first and second folding cylinders are installed in the apparatus frame of the folding machine. Each of the folding cylinders is provided with a sorter, and the tip ends of these sorters are arranged so as to be freely inserted and removed between the conveyors provided under the first and second folding cylinders to which the work clothes are transferred. .

According to a sixth aspect of the present invention, in the clothing stacking mechanism, a first catch arm is provided at a clothing outlet of a final conveyor, and the first catch arm is attached to a pneumatic cylinder so as to be movable up and down. It is characterized in that second and third catch arms, which are movable in the lateral direction, are arranged above the catch arms, and pneumatic cylinders for stacking are attached to the second and third catch arms, respectively. .

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a combined structure of a land remonitor and a folding machine according to the present invention will be described with reference to FIGS. 1 to 7. Figure 1 is a land monitor 1.
And the installation example of the folding machine 2 is schematically shown in an elevation view. In FIG. 1, a land re-monitor 1 includes a monitor conveyor 5 on which a worker (worker) 3 places and moves dry-cleaning and dried work clothes 4, and a plurality of radiations arranged around the monitor conveyor 5. Detector 6,
Entrance photoelectric switch 7 and operation panel 8 arranged above the entrance side of the monitor conveyor 5, lead-out control panel 9 and microcomputer (TOSMIC) 10 arranged in the central part from the entrance side of the monitor conveyor 5, and exit of the conveyor 5. An outlet photoelectric switch 11 arranged on the side and a motor 12 for driving the monitor conveyor 5 are provided. The roller 13 moves the monitor conveyor 5 in the direction of the arrow. A relay 14 is provided below the monitor conveyor 5.

On the other hand, the folding machine 2 has a sorting conveyor 15
Further, a control panel 16 including a clothes pressing mechanism (not shown), a clothes stroke congestion preventing mechanism, a clothes type selecting mechanism, and a clothes stacking mechanism (not shown) is provided in the device frame 18. A pneumatic cylinder 17 is connected to the sorting conveyor 15, and the sorting conveyor 15 and the pneumatic cylinder 17 are attached to the inlet side of the device frame 18.

A control board 16 is provided on the exit side of the apparatus frame 18, and the control board 16 and the microcomputer 10 in the landry monitor 1 are connected by a control signal cable 19. An NG receiving wagon 20 for receiving defective products is arranged between the outlet side of the land re-monitor 1 and the inlet side of the folding machine 2, and a small article receiving wagon 21 is arranged at the outlet side of the folding machine 2.

Here, in the laundry monitor 1, the work clothes 4
After the introduction of the above, the monitor conveyor 5 moves and the radiation detector 6 measures the contamination level to determine whether the product is a good product or a defective product. Defective products will fall onto the NG wagon 20, and good products will follow the process of folding by the folding machine 2.

That is, the measurer (worker) 3 uses the operation panel 8 of the landry monitor 1 to work clothes (measurement object) 4
Select the type, type, size, etc., and press the operation switch. The monitor conveyor 5 of the land monitor 1 and the sorting conveyor 15 of the folding machine 2 are activated.

The worker inserts the work clothes 4 one by one from the input port of the landry monitor 1, and the work clothes 4 are automatically moved by the conveyor 5 above and below the plurality of radiation detectors 6 in the landry monitor 1. Determines the contamination level. The non-contaminated work clothes which are determined to be non-contaminated are directly conveyed to the folding machine 2 and automatically folded.
The work clothes 4 to be processed are selected and input before being inserted. Also, small items such as socks, work gloves, and hats should not be folded.

The sorting conveyor 15 is for transferring the work clothes between the landry monitor 1 and the folding machine 2 for detecting the contamination, and the work clothes after washing and drying are automatically conveyed by the monitor conveyor 5 and the contamination is detected. After that, if the work clothes are contaminated, they are sorted by the sorting conveyor 15,
Carry work clothes to the NG receiving wagon 20. Further, the work clothes which are not contaminated are sent to the folding machine 2 as they are for automatic folding.

Structurally, the piston portion of the pneumatic cylinder 17 is attached to one end of the sorting conveyor 15 and the pneumatic cylinder 17 is attached to the apparatus frame 18. The other end of the sorting conveyor 15 is located inside the device frame 18.
The pneumatic cylinder 17 operates the sorting conveyor 15 in the vertical direction.

When there is no contamination signal from the radiation detector 6 in the land re-monitor 1, air is sent into the pneumatic cylinder 17, the piston is operated to maintain a normal state, and the sorting conveyor 15 is pushed up. Therefore, the work clothes are automatically conveyed from the landry monitor 1 to the folding machine 2.

On the other hand, when the contamination is recognized, the signal from the radiation detector 6 is received, the air to the pneumatic cylinder 17 is cut off, the piston is brought into an abnormal state, and the sorting conveyor 15 is lowered. Due to this, the work clothes whose contamination has not been removed are NG of the basket for storing the contaminants arranged below.
It falls to the receiving wagon 20 and is sorted.

The lead-out control panel 9 in the landry monitor 1 monitors the system and sets measurement parameters. The control action is used for operations other than normal operation such as system data setting, calibration, alarm, and reset. The relay 14 is a relay, and the original power is supplied to each device (printer, control panel, etc.) in the land monitor 1.
It is divided into

The device frame 18 refers to an outer frame and a skeleton for constructing the entire folding machine, and the sorting conveyor 15 is a collecting conveyor, and the working clothes that have passed through the land re-monitor 1 are good and defective (NG). Goods are passed through the folding machine side as they are, and defective products are not passed through the folding machine 2 because the pneumatic cylinder 17 operates downward.

Next, the clothes press mechanism installed in the folding machine 2 will be described with reference to FIGS. 2 and 3. 2 schematically shows the press mechanism 22, and FIG. 3 shows A- of FIG.
It is a top view shown by the partial cross section seen from the A'arrow direction. The press mechanism 22 is provided for continuous monitoring of clothes and prevention of process congestion during the folding process. Work clothes due to washing and drying have bulges and slight wrinkles, and if the shapes are not constant, there is a factor that problems such as congestion occur during the folding process. The press mechanism 22 is a kind of clothing stroke congestion prevention mechanism that eliminates the factor.

That is, as shown in FIG. 3, a compression roller
A roller shaft 24 is attached to 23, the roller shaft 24 is fixed to a roller bracket 25, and the roller bracket 25 is attached to the device frame 18. The roller shaft 24 is supported by a bearing 27, and this bearing 27
And the pressing mechanism 23 is pressed by the spring mechanism 28. By providing the spring mechanisms 28 symmetrically, compression force is applied from both sides. Therefore, a pair of compression rollers
Pressed by passing work clothes between 23 and 23.

The spring mechanism 28 includes a slide plate 30 to which the bearing 27 is attached, a spring cylinder 26 attached to the upper end of the slide plate 30, a spring 31 inserted in the spring cylinder 26, and a spring cylinder.
It consists of a compression adjustment bolt 32 attached to the end of 26.

When the clothes are fed between the rollers 23 of the belt conveyor 33 in each folding process of the folding machine 2, the rollers are used.
If 23 itself is made of metal, a sliding friction phenomenon may occur between the clothes and the clothes, which may cause congestion of the clothes. For this reason, the compression roller is one of the mechanisms to prevent traffic congestion in the clothing process.
By applying a rubber lining 29 to the surface of 23, clothes can be surely and smoothly flowed.

Further, by providing sorters 43, 54, 55 to be described later between the respective conveyors and inserting and removing them as appropriate, congestion of clothes can be prevented. In FIG. 2, reference numeral 33 is a first conveyor, 34
Is a second conveyor, 35, 36 are conveyor rollers, 37,
38 is a rotating shaft, 39 and 40 are rubber lugs, respectively.

Next, a clothing type selection mechanism (bypass mechanism) of the folding machine 2 will be described with reference to FIG. Since the folding machine 2 corresponds to the work clothes generated in the nuclear power plant, the folding system is set to two systems and the folding panel is operated by the operation panel 8 of the land re-monitor 1. Long work clothes such as coveralls are folded in the order of 1st fold → press, 2nd fold → 3rd fold → press (8 folds), but the length of underwear top / bottom that is worn in coveralls When the length is short, the volume (stacking height) increases when the number of folds is increased to 3
The clothes storage efficiency is poor. In other words, underwear collapses. Therefore, a clothing type selection mechanism for bypassing the second folding process and improving the storage efficiency is required.

That is, the first folding cylinder 41 and the second folding cylinder 42 are installed in the apparatus frame 18, and the small article bypass cylinder 43 is adjacent to the first folding cylinder 41,
A third conveyor moving cylinder 44 is adjacent to the second folding cylinder 42. The first folding cylinder 41 and the small article bypass cylinder 43, and the second folding cylinder 42 and the third conveyor moving cylinder 44 are covered with covers 45 and 46, respectively.

The small article bypass cylinder 43 is attached for the purpose different from the first folding, and a cylindrical pole descends from above so that small articles (work gloves, socks, hats, etc.) do not drop in the gaps between the rollers 35 and 36. It is a mechanism to come. The first and second folding cylinders 41 and 42 are provided with folding claws (not shown) so that they can move up and down.

A second sorter 54 is provided near the second folding cylinder 42.
Is provided. The second sorter 54 moves up and down as a folding claw (not shown) moves up and down. Below the first folding cylinder 41 is the first conveyor shown in FIGS. 2 and 3.
33 and a second conveyor 34, a pair of compression rollers 23 and a spring mechanism 28 (not shown) are arranged.

Below the pair of compression rollers 23, a third conveyor 47, which is a second fold, is disposed, and a fourth conveyor 48 is disposed so as to face the third conveyor 47, and a fourth conveyor is disposed.
Below the 48, a fifth conveyor 49 is arranged. The third conveyor 47 is attached in a state of being suspended from the device frame 18 by the third conveyor moving cylinder 45 via suspenders 50. Reference numeral 51 is a support.

The second folding bypass mechanism is structurally the reverse structure of the sorting conveyor 15, and when there is a signal of the type of clothes (underwear etc.) from the land re-monitor 1, the third conveyor moving cylinder 44 is activated. Push down the third conveyor 47. In the bypass mechanism, the second folding cylinder 42 is systematically operated (electrically controlled), and the undergarment is the second
After bypassing the fold, it flows to the sixth conveyor 52 which is the next third fold conveyor shown in FIG.

FIG. 5 shows the arrangement of the conveyors for explaining the folding procedure of the clothing type selecting mechanism in FIG. In FIG. 5, reference numeral 53 is a final conveyor, 43 is a first sorter, 54 is a second sorter, 55 is a third sorter, 56 is a reflective photoelectric tube, 57 is a garment for connecting M, L, LL sizes, etc.,
Reference numeral 58 indicates the underwear clothing, and arrows indicate the movement steps of the clothing 57, 58 in a folding manner.

Next, a stacking mechanism for folding clothes will be described with reference to FIGS. 6 and 7. Note that FIG. 6 is a schematic view of FIG. 7 viewed from above. In this folding clothes stacking mechanism, the work clothes 57 and 58 folded from the first folding to the third folding finally move to the stacking mechanism, and sequentially stack them. That is, as shown in FIGS. 6 and 7, a first catch arm 59 is provided at the clothes outlet of the final conveyor 53, and the first catch arm 59 is attached to the pneumatic cylinder 60 so that the first catch arm 59 can be moved vertically. Deploy.

The second and third catch arms 61 and 62, which are movable in the lateral direction, are arranged above the first catch arm 59. Stacking pneumatic cylinders 63, 64 are attached to the second and third catch arms 61, 62, respectively. A motor 65 is connected to the final conveyor 53 and is driven by the motor 65.

Then, the final (stacking) conveyor 53 in which the work clothes 57, 58 that have passed through the third folding and pressing process become the eighth conveyor from the sixth conveyor 52 to the seventh conveyor 66.
On the top. Then, when it comes out to the catch arm 59 of the clothes discharge port, the pneumatic cylinder 60 at the lower part pushes up the catch arm 59 and lifts the folding work clothes.

With the catch arm 59 raised,
The pneumatic cylinders 63 and 64 move the second and third catch arms 61 and 62 from the outside to the inside. Next, the pneumatic cylinder 60 is lowered, the first catch arm 59 is returned to its original position, and the clothes are placed on the second and third catch arms.
It is in the state of being held by 61 and 62.

This is a series of stacking steps, in which the folded work clothes flow in sequence, and the same operation is repeated to stack the work clothes. The stacking quantity is a unit that can be carried by workers, and the stacking height is detected by the reflection photoelectric tube 56 shown in FIG. 5 to limit the stacking quantity.

[0045]

According to the present invention, the folding machine is provided with the function of judging the contamination of the work clothes after the land re-monitoring, sorting the clothes according to the clothes, stacking after folding, and the like. By eliminating the work of transporting from the monitor to the folding machine, it is possible to save labor and improve space efficiency.

[Brief description of drawings]

FIG. 1 is a device layout view schematically showing an embodiment of a land re-system device in a nuclear power plant according to the present invention.

FIG. 2 is a plan view schematically showing a press mechanism of the folding machine in FIG.

FIG. 3 is a top view seen from the direction of arrows AA ′ in FIG.

FIG. 4 is an elevational view schematically showing a clothing type selection mechanism (conveyor, bypass mechanism) of the folding machine in FIG.

5 is a conveyor layout diagram for explaining a folding procedure of the work garment in FIG.

6 is a conveyor layout diagram for explaining a folding procedure of the work garment in FIG.

FIG. 7 is an elevation view of FIG.

[Explanation of symbols]

1 ... Land re-monitor, 2 ... Folding machine, 3 ... Measurer, 4
… Working clothes, 5… Monitor conveyor, 6… Radiation detector,
7 ... Entrance photoelectric switch, 8 ... Operation panel, 9 ... Readout control panel, 10 ... Microcomputer, 11 Exit photoelectric switch, 12 ... Motor, 13 ... Roller, 14 ... Relay, 15
… Sorting conveyor, 16… Control panel, 17… Pneumatic cylinder,
18 ... Device frame, 19 ... Control signal cable, 20 ... NG receiving wagon, 21 ... Small item receiving wagon, 22 ... Press mechanism, 23 ... Pressure roller, 24 ... Roller shaft, 25 ... Roller bracket, 26 ... Spring cylinder, 27 … Bearings, 28
... Spring mechanism, 29 ... Rubber lining, 30 ... Slide plate, 31 ... Spring, 32 ... Pressure adjusting bolt, 33 ... First
Conveyor, 34 ... second conveyor, 35, 36 ... conveyor rollers, 37, 38 ... rotary shaft, 39, 40 ... rubber lining,
41 ... 1st folding cylinder, 42 ... 2nd folding cylinder, 43 ... Small article bypass cylinder, 44 ... 3rd conveyor moving cylinder, 45,
46 ... Cover, 47 ... Third Conveyor, 48 ... Fourth Conveyor, 49 ... Fifth Cylinder, 50 ... Lifting Equipment, 51 ... Support, 52 ...
6th conveyor, 53 ... Final conveyor, 54 ... 2nd sorter, 55 ... 3rd sorter, 56 ... Reflective photoelectric tube, 57 ... Connection clothing, 58 ... Underwear clothing, 59 ... 1st catch arm, 60
... Pneumatic cylinder, 61, 62 ... Second and third catch arms, 63, 64 ... Pneumatic cylinder for stacking, 65 ... Motor, 66 ...
7th conveyor.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Nobuhisa Matsuda 66-2 Horikawa-cho, Saiwai-ku, Kawasaki-shi, Kanagawa Toshiba Engineering Co., Ltd. (72) Hiroyuki Daimon 1-6-2, Ohashi, Meguro-ku, Tokyo Stock companies Tokyo Senboshi Machinery Works

Claims (6)

[Claims] 1. A land re-monitor for monitoring the presence or absence of contamination of work clothes worn in a nuclear power plant, cleaned and dried, and a work for folding work clothes which has been confirmed to be contaminated by the land re-monitor. The folding machine comprises a sorting conveyor, a clothing press mechanism, a clothing stroke congestion prevention mechanism, a clothing type selection mechanism and a clothing stacking mechanism, and the land re-monitor is the sorting machine of the folding machine. A nuclear power plant landry system device comprising a conveyor and an operation panel for transmitting and operating a signal to each mechanism. 2. The nuclear power plant according to claim 1, wherein a piston of a pneumatic cylinder is attached to the sorting conveyor, and the pneumatic cylinder is operated by a signal of a detector attached to the land re-monitor. Landry system device. 3. The clothes pressing mechanism includes a pair of opposing compression rollers, a roller shaft attached to the compression rollers, a bearing for supporting an end portion of the roller shaft, a slide plate to which the bearing is attached, and The land re-system device in a nuclear power plant according to claim 1, further comprising a spring mechanism attached to the slide plate. 4. The land re-system device for a nuclear power plant according to claim 1, wherein the clothing travel congestion preventing mechanism has a rubber lining on the compression roller in cooperation with the clothing pressing mechanism. 5. The clothing type selection mechanism includes a reflection photoelectric tube provided below the clothing moving conveyor, first and second folding cylinders provided in an apparatus frame of the folding machine, and the first and second folding cylinders. The land re-system device in a nuclear power plant according to claim 1, further comprising a sorter provided in each of the above. 6. The clothes stacking mechanism comprises a first catch arm provided at a clothes outlet of a final conveyor, and a first catch arm.
A pneumatic cylinder for moving the catch arm of the first catch arm up and down, and second and third catch arms arranged above the first catch arm and movable in the lateral direction.
The land re-system device in a nuclear power plant according to claim 1, further comprising: stacking pneumatic cylinders attached to the second and third catch arms, respectively.