KR200478692Y1 - the door structure of radioactivity workings - Google Patents

the door structure of radioactivity workings Download PDF

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Publication number
KR200478692Y1
KR200478692Y1 KR2020150006041U KR20150006041U KR200478692Y1 KR 200478692 Y1 KR200478692 Y1 KR 200478692Y1 KR 2020150006041 U KR2020150006041 U KR 2020150006041U KR 20150006041 U KR20150006041 U KR 20150006041U KR 200478692 Y1 KR200478692 Y1 KR 200478692Y1
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KR
South Korea
Prior art keywords
door
radiation
rail
upper rail
door panel
Prior art date
Application number
KR2020150006041U
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Korean (ko)
Inventor
황일곤
Original Assignee
성일검사기술 주식회사
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Priority to KR2020150006041U priority Critical patent/KR200478692Y1/en
Application granted granted Critical
Publication of KR200478692Y1 publication Critical patent/KR200478692Y1/en

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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Abstract

The present invention relates to a new structure of a radiation workshop door structure that does not require disassembly or assembly of rail rails.
The door structure of the radiation workshop according to the present invention comprises a support frame 10 provided to extend laterally in front of the radiation work station 1 and a support frame 10 extending in the lateral direction on the upper side of the support frame 10 and the radiation worker A pair of upper rails 20 provided parallel to each other so as to extend to the upper rail 20 and an upper rail 30 which is raised on the upper rail 20 and is laterally transported along the upper rail 20, And a door panel 40 which is provided at a lower side of the door 30 and slides laterally together with the upper rail 30 to open and close the door 2. When the upper rail 30 is transported laterally, The door panel 40 is slid sideways together with the upper truck 30 to open and close the door 2.
Therefore, unlike the conventional door mounted on the guide rail provided on the floor surface 5, the upper rail 20 for supporting the door is provided at the upper end of the support frame 10 and the radiation work station 1, The rail on which the truck is mounted is not interfered with the upper rail 20, and there is no need to separate the middle part of the rail or reassemble the separated rail.

Description

The door structure of the radioactivity workings

The present invention relates to a new structure of a radiation workshop door structure that does not require disassembly or assembly of rail rails.

Generally, a radiation workshop used for storing radiation or radiation contaminated objects in a drum or the like is a closed type structure made of a wall made of a thick concrete material so that radiation can not be leaked out. .

A door is provided at the entrance.

The door is installed on a guide rail provided to extend laterally on a lower bottom surface of the entrance in front of the doorway, and is installed in a lateral direction So that the door can be opened and closed by sliding.

On the other hand, in the case of such a radiation workshop, the object to be worked is supplied to the inside of the radiation workshop by using the bogie, or the work is completed to be carried out.

To this end, a rail for rails extending outwardly from the inside of the workplace through the doorway is provided in the workplace. In this case, the rails for rails interfere with the guide rails.

Therefore, conventionally, the guide rail is installed so as to be embedded in the floor surface, and the intermediate portion of the rail for rails can be separated, so that the rail for rails can be assembled to move the railroad car when moving the railroad car.

Therefore, there is a problem that the operation of moving the truck is very troublesome.

Therefore, there is a need for a new method to solve such a problem.

Patent No. 10-0605039

It is an object of the present invention to provide a door structure of a radiation workshop with a new structure that does not require disassembling or assembling a rail for rails.

In order to achieve the above object, the present invention provides a door of a radiation work station provided in an entrance (2) formed in a front surface of a radiation work station (1) to open and close the entrance (2) A pair of upper rails 20 disposed parallel to each other so as to extend laterally above the front surface of the support frame 10 and the radiation worker, An upper rail 30 which is raised on the upper rail 20 and is laterally transported along the upper rail 20 and a lower rail 30 which is provided on the lower side of the upper rail 30 to slide laterally together with the upper rail 30, And a door panel 40 for opening and closing the door 2. The door panel 40 is expanded on the circumferential surface of the door panel 40 when air is supplied thereto to open the door panel 40 and the bottom surface 5 or the door panel 40. [ (40) and the radiation work area (1) And a window tube 50. The upper truck 30 includes a main body 31, a conveyance belt 37 slidably coupled to the main body 31 in the lateral direction, A driven wheel 35 mounted on the upper rail 20 and a drive wheel 34 mounted on the feed rail 37 and raised on the upper rail 20, A driving motor 36 for driving the driving wheel 34; an elastic member 38 connected to the conveying table 37 to press the conveying table 37 toward the door opening; And is connected to the expansion tube 50 so that when the conveyance table 37 is advanced to the side where the entrance 2 is closed, air is supplied to the expansion tube 50 to expand the expansion tube 50, And a piston pump (39) for causing the tube (50) to expand

According to another feature of the present invention, the main body 31 includes a top plate 31a and a side plate 31b extending downward from the periphery of the top plate 31a. And a supporting bar 41 extending from the supporting bar 41 to be coupled to the through hole 31c formed in the upper plate 31a. A thread 42 is formed on the circumferential surface of the supporting bar 41, Is fixed to an upper plate (31a) of the main body (31) by a nut member (43) which is formed by a nut member (43).

The door structure of the radiation workshop according to the present invention comprises a support frame 10 provided to extend laterally in front of the radiation work station 1 and a support frame 10 extending in the lateral direction on the upper side of the support frame 10 and the radiation worker A pair of upper rails 20 provided parallel to each other so as to extend to the upper rail 20 and an upper rail 30 which is raised on the upper rail 20 and is laterally transported along the upper rail 20, And a door panel 40 which is provided at a lower side of the door 30 and slides laterally together with the upper rail 30 to open and close the door 2. When the upper rail 30 is transported laterally, The door panel 40 is slid sideways together with the upper truck 30 to open and close the door 2.

Therefore, unlike the conventional door mounted on the guide rail provided on the floor surface 5, the upper rail 20 for supporting the door is provided at the upper end of the support frame 10 and the radiation work station 1, The rail on which the truck is mounted is not interfered with the upper rail 20, and there is no need to separate the middle part of the rail or reassemble the separated rail.

1 is a front view showing a door structure of a radiation workplace according to the present invention;
2 is a plan sectional view showing a door structure of a radiation workplace according to the present invention,
FIG. 3 is a side sectional view showing a door structure of a radiation workplace according to the present invention,
FIG. 4 is a side cross-sectional view showing the decomposition state of the door structure of the radiation workplace according to the present invention,
FIGS. 5 and 6 are reference views for explaining the operation of the door structure of the radiation workplace according to the present invention,
Fig. 7 is a front sectional view showing a door structure of a radiation workshop according to a second embodiment of the present invention,
8 is a side sectional view showing a second embodiment of a door structure of a radiation workshop according to the present invention,
Fig. 9 is a plan sectional view showing the upper vehicle of the second embodiment of the door structure of the radiation workplace according to the present invention, Fig.
10 is a reference view for explaining the action of the piston pump of the second embodiment of the door structure of the radiation workplace according to the present invention;
11 and 12 are reference views for explaining the operation of the second embodiment of the door structure of the radiation workplace according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 6 show a door of a radiation workshop according to the present invention. The radiation workshop 1 is composed of a closed structure made of a wall made of a thick concrete material so that radiation can not flow out.

According to the present invention, the door comprises a support frame 10 provided to extend laterally in front of the radiation work station 1, and a support frame 10 extending laterally above the support frame 10 and the front surface of the radiation operator A pair of upper rails 20 provided in parallel to each other so as to extend from the upper rail 20 to the upper rail 20 and an upper rail 30 transported laterally along the upper rail 20, And a door panel 40 which is provided on the lower side of the door 30 and slides laterally together with the upper rail 30 to open and close the door 2. [

The support frame 10 includes a vertical frame 11 spaced forward from both sides of the front face of the radiation work station 1 and a support frame 10 extending laterally from the upper end of the vertical frame 11 And a horizontal frame 12 which is made up of a plurality of frames.

At this time, the vertical frame 11 is provided on both sides of the front face of the radiation work station 1 so that the entrance 2 is not covered by the vertical frame 11.

The upper rail 20 is provided in parallel with the upper surface of the horizontal frame 12 and the upper surface of the front surface of the radiation workshop 1.

At this time, a stepped portion 3 is formed at the upper end of the front face of the radiation workshop 1 and an upper frame 4 for supporting the upper rail 20 is formed on the upper face of the stepped portion 3 in the lateral direction Respectively.

The upper rail 30 includes a main body 31 formed by welding a metal plate having high strength and a pair of drive shafts 32 and a driven shaft 33 coupled to the main body 31, A driving wheel 34 and a driven wheel 35 coupled to both ends of the driven shaft 33 and lifted by the upper rail 20 and a driven wheel 32 connected to the driving shaft 32, When the driving wheel 34 is rotated in the forward and reverse directions by the driving motor 36, the entire upper rail 30 is slid sideways along the upper rail 20 .

The main body 31 is configured to have a top plate 31a and a side plate 31b extending downward from the periphery of the top plate 31a.

The door panel 40 is formed of a thick concrete panel and is positioned between the radioactive work station 1 and the support frame 10 so as to cover the front of the entrance 2, (41) fixed to the main body (31) of the main body (30).

The supporting bar 41 is fixed at the lower end to be embedded in the upper surface of the door panel 40. The supporting bar 41 is formed with a thread 42 at the upper end thereof and extends upward through the through hole 31c formed in the upper plate 31a. And is fixed to the upper plate 31a by a nut member 43 engaged with the thread 42. [

Therefore, the height of the door panel 40 can be adjusted by tightening or loosening the nut member 43.

That is, in order to slide the door panel 40 in the lateral direction by using the upper rail 30, as shown in FIG. 3, the lower end of the door panel 40 is moved from the bottom surface 5 to the upper side The nut member 43 may be tightened or loosened to adjust the height at which the lower end of the door panel 40 is separated from the bottom surface 5.

Therefore, when the driving motor 36 is driven to slide the upper truck 30 in the lateral direction, the door panel 40 can be slid sideways so that the door 2 can be opened and closed.

The door structure of the radiation workshop thus constructed comprises a support frame 10 provided to extend laterally in front of the radiation work station 1 and a support frame 10 extending laterally above the support frame 10 and the front surface of the radiation worker A pair of upper rails 20 provided in parallel to each other so as to extend from the upper rail 20 to the upper rail 20 and an upper rail 30 transported laterally along the upper rail 20, And a door panel 40 which is provided on the lower side of the door 30 and slides laterally together with the upper truck 30 to open and close the door 2. As shown in Figures 5 and 6, The door panel 40 is slid sideways together with the upper rail 30 to open and close the door 2.

Therefore, unlike the conventional door mounted on the guide rail provided on the floor surface 5, the upper rail 20 for supporting the door is provided at the upper end of the support frame 10 and the radiation work station 1, The rail on which the truck is mounted is not interfered with the upper rail 20, and there is no need to separate the middle portion of the rail or reassemble the separated rail.

The main body 31 includes a top plate 31a and a side plate 31b extending downward from the periphery of the top plate 31a. The top plate 31a extends upward from the top of the door panel 40, And a nut member 43 formed on the circumferential surface of the support bar 41 and coupled to the thread 42. The nut member 43 is formed with a thread 42 on the circumferential surface of the support bar 41, And is fixed to the upper plate 31a of the main body 31 by a bolt.

The distance between the lower end of the door panel 40 and the bottom surface 5 can be precisely controlled by rotating the nut member 43 to elevate the support bar 41 and the door panel 40 There are advantages.

In other words, it is preferable to seal the doorway 2 as completely as possible, since the radiation worker will handle an object emitting radioactivity. However, the door panel 40 is fixed to the upper car 30 So that the lower end thereof is spaced apart from the bottom surface 5.

The nut member 43 is rotated so that the support bar 41 and the door panel 40 are raised and lowered so that the lower end of the door panel 40 is at least spaced apart from the bottom surface 5. [ Thereby, there is an advantage that the gap between the lower end of the door panel 40 and the bottom surface 5 can be minimized.

7 to 12 illustrate another embodiment according to the present invention. When the air is supplied to the inside of the door panel 40, particularly, the lower end of the door panel 40, the door panel 40 is inflated, ) And the bottom surface (5).

The inflation tube 50 is made of a resilient synthetic resin material and is inserted into the coupling groove 44 formed on the lower side of the door panel 40 as shown in FIG.

The upper rail 30 includes a main body 31, a conveyance belt 37 slidably coupled to the main body 31 in the lateral direction, A drive wheel 34 provided on the conveyance table 37 and lifted up to the upper rail 20 and a drive wheel 34 connected to the drive wheel 34 to drive the drive wheel 34, An elastic member 38 connected to the conveying table 37 to press the conveying table 37 toward the opening side of the conveying table 37; And is connected to the expansion tube 50 so that when the conveyance table 37 is advanced to the side where the door 2 is closed, air is supplied to the expansion tube 50 so that the expansion tube 50 is inflated And a piston pump 39 for supplying a fluid to the piston.

The main body 31 is constructed in the same manner as the main body 31 of the first embodiment described above.

The conveying table 37 is formed in a box shape having a lower side opened by engaging a metal plate having high strength, and is slidably coupled to the inside of the main body 31 in the lateral direction.

The driven wheel 35 is coupled to both ends of a driven shaft 33 rotatably coupled to the main body 31.

The driving wheel 34 is coupled to both ends of a driving shaft 32 rotatably coupled to the conveying table 37.

The driving motor 36 is connected to the driving shaft 32 so as to rotate the driving shaft 32 and the driving wheel 34 in normal and reverse directions.

A slot 31d through which the drive shaft 32 passes is formed in the side plate 31b of the main body 31 so as to extend in the lateral direction and the top plate 31a of the main body 31 is provided with the feed table 37 (Not shown).

9 (a) and 9 (b), in a state where the conveying table 37, the drive shaft 32, and the drive wheel 34 are coupled to the main body 31, As shown in Fig.

The elastic member 38 uses a compression coil spring provided between the conveyance table 37 and the main body 31 so that the elastic member 38 is positioned in the advancing direction of the conveyance table 37, that is, And is compressed when the conveying table 37 is advanced to elastically press the conveying table 37 toward the door opening direction.

10, the piston pump 39 includes a cylinder 39a, a piston 39c slidably coupled to the inside of the cylinder 39a, and a piston 39c slidably coupled to the cylinder 39a And a piston rod 39c extending to one side of the conveying table 37. The conveying table 37 is provided between the conveying table 37 and the main body 31 so as to be positioned in the advancing direction of the conveying table 37, And the ends of the piston rod 39c are fixed to the side plate 31b and the conveyance belt 37, respectively.

At this time, the cylinder 39a is connected to the expansion tube 50 through the air supply pipe 39c.

12, when the conveyance belt 37 is advanced, the piston pump 39 is compressed, so that the air inside the cylinder 39a is compressed and expanded through the air cylinder 39c, And is supplied to the tube 50 so that the expansion tube 50 is inflated.

The operation of the door structure of such a radiation workshop will be described as follows.

First, when the drive motor 36 is driven to rotate the drive shaft 32 and the drive wheel 34 in opposite directions, the transfer table 37 is caught by the engagement protrusion 31e to push the main body 31 outward The upper door 30 and the door panel 40 are retracted outward to open the door 2 as shown in Fig.

At this time, the conveying table 37 is retracted outward from the inside of the main body 31, so that the piston pump 39 is extended and the inflation tube 50 is kept in a contracted state.

When the drive shaft 36 and the drive wheel 34 are rotated forward by driving the drive motor 36 to close the entrance 2, the conveyance belt 37 is advanced in the closing direction, The main body 31 is pushed through the member 38 so that the upper truck 30 and the door panel 40 are advanced toward the closed position.

11, when the door panel 40 is brought into close contact with each other and the door 2 is completely closed, the main body 31 is prevented from further advancing. As shown in FIG. 12, When the drive motor 36 is further driven, only the conveyance belt 37 is advanced in a state where the main body 31 is stopped and the elastic member 38 and the piston pump 39 are compressed.

When the piston pump 39 is compressed as described above, the air inside the piston pump 39 is supplied to the expansion tube 50 through the air supply pipe 39c. As a result, as shown in Fig. 8 and Fig. 10, As shown in the drawing, the expansion tube 50 is inflated to close a gap between the bottom end of the door panel 40 and the bottom surface 5.

When the driving shaft 32 and the driving wheel 34 are rotated in the reverse direction by using the driving motor 36, the elastic member 38 is extended and the door panel 40 is retracted, At this time, as the piston pump 39 is extended, the air inside the expansion tube 50 is sucked into the piston pump 39, whereby the expansion tube 50 is contracted.

When the conveying table 37 is retracted until it is caught by the latching jaw 31e, the entire upper rail 30 and the door panel 40 are retracted outward together with the conveying table 37, 2) is opened.

According to the door structure of the radiation workplace having such a structure, when the doorway 2 is closed, the piston pump 39 is compressed and the expansion tube 50 provided in the door panel 40 is inflated and the door panel 40 and the floor It is possible to prevent the radioactive material or radioactive contaminated material from interfering with the gap between the door panel 40 and the bottom surface 5 when the inside of the radioactive work area 1 is closed by sealing the gap between the door panel 5 and the surface 5. [ It is possible to more effectively prevent leakage to the outside.

The packing is provided only at the lower end of the door panel 40 so as to seal the gap between the door panel 40 and the bottom surface 5. However, It is also possible to provide the packing so that the gap between the door panel 40 and the radiation workshop 1 is sealed by the packing when the door 2 is closed.

10. Support frame 20. Top rail
30. Upper car 40. Door panel
50. Tube

Claims (3)

A door of a radiation workplace provided in an entrance (2) formed in a front surface of a radiation work station (1) to open and close the entrance (2)
A support frame (10) provided to extend laterally in front of the radiation workshop (1);
A pair of upper rails (20) provided parallel to each other so as to extend laterally above the support frame (10) and the front surface of the radiation worker;
An upper rail 30 mounted on the upper rail 20 and laterally transported along the upper rail 20;
A door panel 40 provided on the lower side of the upper truck 30 to slide laterally together with the upper truck 30 to open and close the door 2;
≪ / RTI >
The peripheral surface of the door panel 40 is inflated when air is supplied to the interior of the door panel 40 so as to seal the gap between the door panel 40 and the floor panel 5 or between the door panel 40 and the radiation work area 1 50,
The upper bogie (30)
A main body 31;
A conveyance belt 37 slidably coupled to the main body 31 in the lateral direction;
A driven wheel 35 provided on the main body 31 and raised on the upper rail 20;
A driving wheel (34) provided on the conveyance table (37) and raised on the upper rail (20);
A driving motor (36) connected to the driving wheel (34) to drive the driving wheel (34);
An elastic member (38) connected to the conveyance table (37) and pressing the conveyance table (37) toward the door opening side;
The inflating tube 50 is provided to extend from the conveying table 37 toward the closed side of the entrance 2 and is connected to the inflating tube 50 so that when the conveying table 37 is advanced to the closed side of the entrance 2, A piston pump 39 for supplying air to the expansion tube 50 to expand the expansion tube 50;
And a door structure for the radiation work area.
The method according to claim 1,
The main body 31 includes a top plate 31a and a side plate 31b extending downward from the periphery of the top plate 31a,
A support bar 41 extending upward from the upper end of the door panel 40 and coupled to a through hole 31c formed in the upper plate 31a,
Wherein the support bar 41 is fixed to the upper plate 31a of the main body 31 by means of a nut member 43 having a thread 42 formed on the circumferential surface of the support bar 41 and coupled to the thread 42. [ Door structure of the workshop.
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KR2020150006041U 2015-09-10 2015-09-10 the door structure of radioactivity workings KR200478692Y1 (en)

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KR2020150006041U KR200478692Y1 (en) 2015-09-10 2015-09-10 the door structure of radioactivity workings

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101679715B1 (en) 2016-09-08 2016-11-25 최승규 Closure apparatus of construction for waste storage
KR101679707B1 (en) 2016-09-08 2016-11-25 최승규 Closure apparatus of construction for waste storage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101679715B1 (en) 2016-09-08 2016-11-25 최승규 Closure apparatus of construction for waste storage
KR101679707B1 (en) 2016-09-08 2016-11-25 최승규 Closure apparatus of construction for waste storage

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