KR100595476B1 - Opening and shutting apparatus for radiation shielding door - Google Patents

Opening and shutting apparatus for radiation shielding door Download PDF

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Publication number
KR100595476B1
KR100595476B1 KR1020050009705A KR20050009705A KR100595476B1 KR 100595476 B1 KR100595476 B1 KR 100595476B1 KR 1020050009705 A KR1020050009705 A KR 1020050009705A KR 20050009705 A KR20050009705 A KR 20050009705A KR 100595476 B1 KR100595476 B1 KR 100595476B1
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KR
South Korea
Prior art keywords
guide
shielding door
door
fixed
vertical
Prior art date
Application number
KR1020050009705A
Other languages
Korean (ko)
Inventor
곽상근
홍용호
Original Assignee
케이비이엔지주식회사
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Priority to KR1020050009705A priority Critical patent/KR100595476B1/en
Application granted granted Critical
Publication of KR100595476B1 publication Critical patent/KR100595476B1/en

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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00Shielded cells or rooms
    • G21F7/06Structural combination with remotely controlled apparatus, e.g. with manipulators
    • G21F7/066Remotely manipulated tools
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00Shielding characterised by the composition of the materials
    • G21F1/02Selection of uniform shielding materials
    • G21F1/08Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
    • G21F1/085Heavy metals or alloys

Abstract

The present invention relates to a radiation shielding door opening and closing device. According to the present invention, a shielding plate (3) made of a solder material is installed on one surface, and upper and lower rollers (10, 11) are rotatably arranged on both sides of the upper and lower parts of the guide assembly (30) along the shield door guide (40). A moving shielding door 1; Front and rear rollers 21 and 22 are rotatably arranged in front and rear sides of the upper side, and the sliding door 20 moves along the sliding guide 60 of the guide assembly 30; And shielding door driving means (A) and sliding door driving means (B) for moving the shielding door 1 and the sliding door 20 along the shielding door guide 40 and the sliding guide 60. Drive means assembly 70 made; It is configured to include.
The present invention configured as described above, it is possible to install the shield door in a narrow space using the vertical and ceiling to the maximum.
In addition, when the shielding door is closed, the upper area is inclined to improve the sealing force of the shielding door, thereby minimizing the radiation dose rate of the radioisotope and waste containers stored therein, and the safety means operated hydraulically when the shielding door is opened. It is provided with an effect of preventing the heavy-weight shielding door to be forcibly closed.
Radiation, Shielding Door, Overhead Type, Switchgear

Description

OPENING AND SHUTTING APPARATUS FOR RADIATION SHIELDING DOOR}

1 is a plan view showing the radiation shielding door opening and closing apparatus according to the invention as a whole.

Figure 2 is a plan sectional view showing a state in which the first, second wire is wound around the first, second, third, fourth wire wheel of the radiation shielding door opening and closing device according to the present invention.

Figure 3 is a cross-sectional view showing a guide assembly of the radiation shielding door opening and closing apparatus according to the present invention.

4 is an enlarged cross-sectional view of the portion "A" of FIG.

5 is an enlarged sectional view taken along the line B-B in FIG.

Figure 6 is a block diagram of the shield door driving means of the radiation shielding door opening and closing apparatus according to the present invention.

Figure 7 is a block diagram of the sliding door driving means of the radiation shielding door opening and closing apparatus according to the present invention.

Figure 8 is a sliding door operating state of the radiation shielding door opening and closing apparatus according to the present invention.

Figure 9 is a shield door operating state of the radiation shielding door opening and closing apparatus according to the present invention.

FIG. 10 is an enlarged cross-sectional view taken along line “B” of FIG. 9.

11 is a cross-sectional view of a state in which the safety means of the radiation shielding door opening and closing device according to the present invention is installed.

Figure 12 is a cross-sectional view of the operating state of the safety means of the radiation shielding door opening and closing apparatus according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: shielding door 3: shielding plate

10,11: upper and lower rollers 20: sliding door

21,22: front and rear roller 30: guide assembly

40: shielding door guide 41: vertical beam

42: vertical bracket 43: upper slope guide

43a: slope guide groove 44: floor surface

45: lower vertical guide 45a: vertical guide groove

47: vertical wall surface 48: protrusion

49: slope 49a: reinforcement anchor

50: lower frame 60: sliding guide

62,64: Upper and lower guide 62a, 64a: First and second guide groove

70: drive means assembly 80, 80a: horizontal beam

81: connecting bracket 82: chain

83: Main weight balance 84,85,86: 1st, 3rd and 4th wire wheel

84a: vertical roller 84b: horizontal roller

85a, 85b: 1st, 2nd roller 87,89: 1st, 2nd wire

88: wire sprocket 90: second wire wheel

100: drive member 110,210: horizontal rotation shaft

120,220: Hydraulic motor 130,131: 1st, 2nd sprocket

200: connector 230,240: 1, 2 winding drum

400: the hole 410: the support base

420: rod 430: hydraulic cylinder

A: shielding door driving means B: sliding door driving means

C: safety measures

The present invention relates to a radiation shielding door opening and closing device, and more particularly, to a radiation shielding door opening and closing device that can be opened and closed by maximizing the vertical and ceiling spaces with the radiation shielding door.

In general, the radiation shielding door is installed to minimize the radiation dose rate, and the shielding door has a high specific gravity (11.4 g / cm 3) to contain lead, thereby lowering the radiation dose rate. Such shielding doors are provided in various types such as sliding, swinging and sliding types.

However, such a conventional radiation shielding door occupies a lot of horizontal space as it is mainly opened and closed by sliding, swinging, and sliding type, so that installation work and opening and closing are not easy in a narrow space, and thus it is not easy for a worker to enter and exit the work. There is a problem that it is not easy to measure the surface radiation dose rate, such as radioisotope and waste stored in the inside.

Accordingly, the present invention has been made to solve the above-described problems, the present invention is installed to enable the opening and closing of the radiation shielding door as an overhead type, it is possible to install the shielding door in a narrow space using the vertical and ceiling space. And, the purpose is to provide a radiation shielding door opening and closing device that minimizes the radiation dose rate.

The technical problem of the present invention for achieving the above object is that the shield plate 3 of the solder material is installed on one side, the upper and lower rollers 10, 11 are rotatably arranged on the upper and lower ends of the guide assembly ( A shielding door 1 moving along the shielding door guide 40 of 30; Front and rear rollers 21 and 22 are rotatably arranged in front and rear sides of the upper side, and the sliding door 20 moves along the sliding guide 60 of the guide assembly 30; And shielding door driving means (A) and sliding door driving means (B) for moving the shielding door 1 and the sliding door 20 along the shielding door guide 40 and the sliding guide 60. Drive means assembly 70 made; It is achieved by being configured to include.

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

As shown in Figures 1 to 12, the radiation shielding door opening and closing device according to the present invention comprises a shielding door (1), sliding door 20, guide assembly 30 and the drive means assembly 70 shielding door ( 1) and the sliding door 20 is opened and closed by the over-head type.

The shielding door 1 is formed in a rectangular shape, and a shielding plate 3 made of a solder material is installed on one surface thereof, and upper and lower rollers 10 and 11 are rotatably arranged on both upper and lower sides of the left and right ends thereof, and both upper and upper sides thereof. The connecting ring 5 is provided with each.

The sliding door 20 is formed in a rectangular shape, and the front and rear rollers 21 and 22 are rotatably arranged in front and rear sides of the upper sides, and the connecting rings 23 are provided at both rear ends thereof. At this time, the front roller 21 is arranged to be spaced apart from the front end of the sliding door 20, the rear roller 22 is arranged to be close to the rear end of the sliding door 20.

The guide assembly 30 includes a shielding door guide 40 for guiding opening and closing of the shielding door 1; The sliding door 20 is composed of a sliding guide 60 for guiding opening and closing.

The shielding door guide 40 includes a vertical beam 41 fixed to the upper slab in the width direction; A pair of upper inclined guides 43 are inclinedly fixed on the vertical beam 41 by a vertical bracket 42 and have inclined guide grooves 43a into which the upper roller 10 of the shielding door 1 is movably inserted. Wow; The bottom is vertically fixed to the lower frame 50 provided on the bottom surface 44 of the bottom layer, the upper region is intersected with the front region of the upper inclined guide 43, is connected to protrude to the upper, shielding door (1) It consists of a pair of lower vertical guides (45) formed with a vertical guide groove (45a) is inserted into the lower roller (11) to be movable.

At this time, the vertical bracket 42 has a long length in the front region of the vertical beam 41, a short length is fixed in the rear region, the upper inclined guide 43 is fixed inclined forward.

On the other hand, the front end of the upper slope guide 43 is tightly fixed to the inclined surface 49 of one surface of the protrusion 48 formed on the vertical wall surface 47. The inclined surface 49 is formed to be inclined downward by about 2.84 ° based on the vertical wall surface 47.

Therefore, the front end of the upper slope guide 43 in close contact with the inclined surface 49 is formed to be inclined at the same angle. At this time, the reinforcing anchor 49a is provided at the corner of the inclined surface 49 when the protrusion 48 is constructed.

The lower frame 50 has an insertion groove 52 formed to extend in the longitudinal direction on the bottom surface 44 during the construction of the bottom layer; A reinforcement angle 54 provided in the lengthwise direction of the insertion groove 52 and into which the lower end of the vertical guide 45 is fixed; Is installed in the insertion groove 52 is made of a buffer pad 56 for cushioning the shock applied to the lower end of the shielding door (1) when the shielding door (1) is closed.

The sliding guide 60 is provided with a pair of front end slanted to be inclined to the finish line of the ceiling, a pair of first guide grooves 62a in which the front roller 21 of the sliding door 20 is movably inserted. An upper guide 62; The upper guide 62 is provided to maintain a proper distance from the lower, the front end of the upper guide 62 and the front and rear rollers 21 and 22 so that the interval is maintained so that the interval between the rollers 21, 22, the sliding door It consists of a pair of lower guides 64, in which the second guide grooves 64a into which the rear rollers 22 of the 20 are movably inserted are formed.

The driving means assembly 70 includes shielding door driving means (A) such that the shielding door (1) is moved along the shielding door guide (40); Sliding door 20 is made of a sliding door driving means (B) to move along the sliding guide (60).

The shielding door driving means (A) is fixed to the upper slab in the longitudinal direction and the connecting bracket 81 is connected vertically to both sides of the horizontal beam (80) for connecting between the vertical beam 41 at the same height; A driving member 100 installed between the connection brackets 81; A central region connected to the driving member 100 to transmit rotational force of the driving member 100, and one end of the chain 82 fixed to the connection ring 5 of the shielding door 1; One end is fixed to the other end of the chain 82, the other end is fixed to the main weight 83, the central region on the first, third, fourth wire wheels (84) (85) (86) suspended by the electric wire The first wire 87 is sequentially wound.

The first wire wheel (84) comprises a vertical roller (84a) rotatably arranged so that the first wire (87) fixed to the other end of the chain (82) is wound; The first roller 87 is wound around the vertical roller 84a so as to be switched, and the horizontal roller 84b is rotatably arranged.

The third wire wheel 85 includes: a first roller 85a rotatably arranged so that the first wire 87 wound around the horizontal roller 84b is wound; The second roller 85b is rotatably arranged on the first roller 85a. At this time, the second wire 89 to be described later is wound around the second roller 85b.

Meanwhile, a wire sprocket 88 is formed on the lower roller 11 of the shielding door 1 on the same axis, and one end of the second wire 89 is fixed to the wire sprocket 88, and the second wire 89 is fixed. The central area of is sequentially wound on the second roller 85b of the second wire wheel 90 and the third wire wheel 85, and the other end is fixed to the auxiliary weight balance 91.

At this time, the second wire 89, one end of which is fixed to the wire sprocket 88, vertically penetrates the front end area of the upper inclined guide 43 so that the second wire wheel 90 and the third wire wheel 85 are formed. The rollers are sequentially wound on the rollers 85b.

In addition, the main weight balance 83 and the auxiliary weight balance 91 are respectively located inside the cases 94 and 95 installed on the bottom surface 44, and the main weight balance 83 is the auxiliary weight balance 91. It is preferable to set the weight more heavy.

The driving member 100 has a horizontal rotating shaft 110 is arranged horizontally rotatably between the connecting bracket (81); A hydraulic motor 120 provided at one outer diameter of the horizontal rotating shaft 110 to rotate the horizontal rotating shaft 110 forward and reverse; The first and second sprockets 130 and 131 are rotatably arranged on one side and the other side of the horizontal rotating shaft 110.

In this case, a plurality of bearing flanges 140 and a coupling 141 are rotatably arranged in the outer diameter of the horizontal rotation shaft 110 in which the first and second sprockets 130 and 131 are arranged.

The sliding door driving means (B) comprises a plurality of connectors 200 which are constructed while maintaining the same height in the horizontal beam (80a) connected to the lower portion between the vertical beam 41 in the rear region of the drive member (100); A horizontal rotation shaft 210 rotatably arranged between the connector 200; A hydraulic motor 220 arranged in one outer diameter of the horizontal rotating shaft 210 to rotate the horizontal rotating shaft 210 forward and reverse; One side and the other side of the horizontal rotating shaft 210 is rotatably arranged in the outer diameter, and consists of the first and second winding drums 230, 240 to rotate in accordance with the rotation of the hydraulic motor 220.

At this time, the other end of the sliding wire 300 is fixed to the connecting ring 23 of the sliding door 20, one end of the sliding wire 300 is fixed to the first and second winding drums 230, 240, the hydraulic motor According to the rotation of the 220, the sliding wire 300 is selectively wound on the first and second winding drums 230 and 240 to be unwound and the sliding door 20 is opened and closed.

Meanwhile, as shown in FIGS. 11 and 12, the shield door 1 is pivotally installed in the upper region of the lower vertical guide 45 of the shield door guide 40 so that the shield door 1 is downward when the shield door 1 is opened. Safety means (C) for preventing falling to the provided.

The safety means (C), and the rotation hole 400 is formed through the upper portion of the lower vertical guide 45; A rotation base 410 pivotally arranged below the rotation hole 400 to be rotatable in and out of the rotation hole 400; A rod 420 having one end fixed to the pivot support 410; The rod 420 is movably inserted, and an upper end is formed of a hydraulic cylinder 430 rotatably arranged in an upper region of the lower vertical guide 45.

At this time, when the rod 420 is stretched and moved upward by the operation of the hydraulic cylinder 430, the pivot support 410 is rotated into the pivot hole 400 so that the lower roller 11 of the shielding door 1 is rotated. By being caught, the shielding door 1 is prevented from falling downward.

On the other hand, the radiation-shielding door opening and closing device of the present invention described above as described above is installed in the underground connection passage and the like can be used as the opening and closing device of the door and the waterproof door to block the water flowing into the room. At this time, in order to use as the opening and closing device of the order door and the waterproof door, the shield plate of the lead material installed in the shield door should be removed, and the overall weight of the shield door is to be reduced.

Referring to the operating state of the present invention configured as described above, in order to close the shield door 1 as shown in Figure 8, first, the sliding door driving means (B) is operated.

Then, the hydraulic motor 210 constituting the sliding door drive means (B) is operated in the forward rotation, the connector is arranged in the horizontal beam (80a) connected between the vertical beam 41 in the rear region of the drive member (100) Horizontal rotation shaft 210 between the (200) is to be rotated forward. (See Fig. 7)

Accordingly, the connecting wire 23 of the sliding door 20 and the sliding wire 300 having both ends fixed on the first and second winding drums 230 and 240 are the first and second winding drums 230 and 240. By being wound on the sliding door 20 is moved backwards along the sliding guide 60 is opened.

That is, the first and second guide grooves 62a and 64a of the upper and lower guides 62 and 64 in which the front and rear rollers 21 and 22 of the sliding door 20 constitute the sliding guide 60. ), The hydraulic motor 210 is stopped at the same time as the sliding door 20 is separated from the ceiling finish line LL by moving completely backward along the side of the door.

In this state, in order to open the shield door 1 as in FIG. 9, the hydraulic motor 120 constituting the shield door driving means A is rotated forward.

Then, as the hydraulic motor 120 rotates forward, the horizontal rotating shaft 110 rotates forward, and the first and second sprockets 130, 131 and the bearing flange 140 coupled to both sides of the horizontal rotating shaft 110 are coupled. 141 rotates.

Accordingly, the chain 82 wound around the first and second sprockets 130 and 131 is fixed to the upper slab by moving the chain 82 in the same direction as the first and second sprockets 130 and 131. The central region is sequentially wound around the vertical roller 84a, the horizontal roller 84b of the first wire wheel 84, the first roller 85a and the fourth wire wheel 86 of the third wire wheel 85. The first wire 87 is moved to the rear, and the main weight 83 is moved to the upper portion of the case 94.

At the same time, the shielding door 1 having one end of the chain 82 fixed to the connecting ring 5 moves forward along the upper inclined guide 43 constituting the shielding door guide 40, and the lower vertical guide. It moves downward along 45.

That is, the upper portion of the shield door 1 along the inclined guide groove 43a of the pair of upper inclined guides 43 inclined by the vertical bracket 42 on the vertical beam 41 fixed in the width direction to the upper slab. The roller 10 is sequentially moved forward, the lower end is fixed to the reinforcement angle 54 provided in the longitudinal direction in the insertion groove 52 of the bottom surface 44 constituting the lower frame 50 The lower roller 11 of the shielding door 1 is sequentially moved downward along the vertical guide groove 45a of the pair of lower vertical guides 45.

At the same time, the upper roller 10 of the shielding door 1 is formed on one surface of the protrusion 48 of the vertical wall surface 47 where the front end of the upper inclined guide 43 is fixed by the weight of the shielding door 1. It comes in close contact with the reinforcing anchor 49a of 49.

Then, the lower roller 11 of the shielding door 1 is moved to the lower portion of the insertion groove 46 formed in the bottom surface 44 constituting the lower frame 50 so that the lower end of the shielding door 1 is a buffer pad (56). Close to) to cushion the impact.

At this time, the upper roller 10 of the shielding door (1) is moved along the inclined guide groove (43a) of the upper inclined guide 43, the lower roller 11 in close contact with the reinforcing frame (49a) of the inclined surface (49) Is generated inside the lower guide groove 45a of the lower vertical guide 45 by the angle of the inclined surface 49 so that the shielding door 1 is inclined downward (about 2.84 °) of the inclined surface 49. It is inclined along the close to close to the door frame (not shown) at the same time the operation of the hydraulic motor 120 is stopped.

Therefore, the radiation dose rate generated from the radioactive isotope and waste container (RT) stored inside is minimized.

On the other hand, one end is fixed to the wire sprocket 88 coaxially arranged on the lower roller 11 of the shielding door 1 inserted into the vertical guide groove 45a of the lower vertical guide 45, and the center region The second wire 89 is sequentially wound on the second roller 85b of the two wire wheel 90 and the third wire wheel 85, and the other end of the second wire 89 is fixed to the auxiliary weight balance 91, and the shielding door 1 The lower roller 11 is moved downward along the vertical guide groove 45a of the lower vertical guide 45 by the movement of. Accordingly, the auxiliary weight balance 91 is moved upward along the case 95.

In this state, in order to open the shield door 1, the hydraulic motor 120 of the shield door drive means (A) is reversed as shown in FIG. Then, the hydraulic motor 120 is reversely rotated so that the horizontal rotating shaft 110 is reversely rotated, and the first and second sprockets 130 and 131 and the bearing flange 140 are arranged on both sides of the horizontal rotating shaft 110. Coupling 141 is rotated.

Accordingly, as the chain 82 moves in the same direction as the first and second sprockets 130 and 131, the vertical rollers 84a and the horizontal rollers 84b of the first wire wheels 84 fixed to the upper slab are fixed. The first wire 87 is wound around the first roller 85a and the fourth wire wheel 86 of the third wire wheel 85 in order to move forward, and the main weight 83 Is moved to the bottom of the case 94.

At the same time, the shielding door 1 having one end fixed to the chain 82 moves backward along the upper inclined guide 43 of the shielding door guide 40 and moves upward along the lower vertical guide 45. do.

That is, a pair of upper rollers 10 of the shielding door 1 are sequentially moved backward along the inclined guide grooves 43a of the pair of upper inclined guides 43 and fixed to the reinforcing angles 54, and the lower ends thereof. The lower roller 11 of the shielding door 1 is sequentially moved upward along the vertical guide groove 45a of the lower vertical guide 45.

At the same time, the upper roller 10 of the shielding door 1 is inclined from the reinforcing anchor 49a of the inclined surface 49 formed on one surface of the protrusion 48 of the vertical wall surface 47, thereby inclining the upper slope guide 43. It moves upward along the guide groove 43a, and the lower roller 11 of the shielding door 1 is perpendicular to the lower vertical guide 45 while the lower end of the shielding door 1 is separated from the buffer pad 56. It moves upward along the guide groove 45a.

At this time, the upper roller 10 of the shielding door (1) is located at the top of the inclined guide groove (43a) of the upper inclined guide 43, the lower roller 11 is a vertical guide groove (45a) of the lower vertical guide 45 Located at the top of the), the shield door (1) is inclined to open the operation of the hydraulic motor 120 is stopped.

On the other hand, one end is fixed to the wire sprocket 88 which is arranged coaxially to the lower roller 11 of the shielding door 1, the center area is made of the second wire wheel 90 and the third wire wheel 85 The second wire 89, which is wound around two rollers 85b in sequence, and whose other end is fixed to the auxiliary weight balance 91, moves the shielding door 1 so that the lower roller 11 lowers the vertical guide 45. It is moved upward along the vertical guide groove 45a. Accordingly, the auxiliary weight balance 91 is moved downward along the case 95.

When the shield door 1 is closed in this way, the hydraulic motor 220 constituting the sliding door drive means (B) is operated in reverse rotation. Accordingly, the horizontal rotation shaft 210 is reversely rotated between the connector 200 which is vertically fixed to the horizontal beam 80a connected between the vertical beams 41 of the rear region of the driving member 100, so that the sliding wire 300 is rotated. The first and second winding drums 230 and 240 are loosened so that the sliding door 20 is moved forward along the sliding guide 60 and opened, and the hydraulic motor 220 is stopped.

That is, the first and second guide grooves 62a and 64a of the upper and lower guides 62 and 64 in which the front and rear rollers 21 and 22 of the sliding door 20 constitute the sliding guide 60. It is completely moved forward along) so that the sliding door 20 coincides with the ceiling finish line LL so that the shielding door 1 is not exposed to the outside (see FIG. 8).

At this time, the upper and lower guides 62 and 64 of the sliding guide 60 are installed side by side inclined side by side, but the front and rear rollers 21 and 21 between the front end of the upper guide 62 and the front end of the lower guide 64. The front end of the lower guide 64 is formed to be bent outward so that the interval is maintained by the interval of 22) so that the sliding door 20 is flush with the ceiling finish line LL of the ceiling.

And, as shown in Fig. 11 and 12, the safety means (C) for preventing the shielding door 1 from falling downward when the shielding door 1 is opened.

That is, when the shielding door 1 is opened, the hydraulic cylinder 430 is rotatably arranged in the upper region of the lower vertical guide 45 so that the rod 420 extends downward.

Accordingly, the rotation support 410 is rotated into the rotation hole 400 formed through the upper portion of the lower vertical guide 45 by the extended length of the rod 420, and the lower roller 11 lower portion of the shielding door 1 is rotated. By horizontally supporting the shielding door (1) is prevented from falling down along the lower vertical guide (45).

On the contrary, when the shielding door 1 is closed, the hydraulic cylinder 86 whose upper end is rotatably arranged in the upper region of the lower vertical guide 45 is operated so that the rod 420 is stretched upward.

Accordingly, the expansion and contraction of the rod 420 rotates the rotation support 410 to the outside of the rotation hole 400 formed in the upper portion of the lower vertical guide 45, from the lower roller 11 lower portion of the shielding door (1) Rotating base 410 is separated and the bearing force is released.

According to the present invention described above, as the radiation shielding door is installed in the overhead type, it is possible to install the shielding door in a narrow space by using the vertical and ceiling space to the maximum, and also the upper area when the shielding door is closed. By inclining at an appropriate angle (approx. 2.84 °), the sealing force of the shielding door is improved to minimize the radiation dose rate of the radioactive isotopes and waste containers stored inside, and safety means operated by hydraulic pressure when the shielding door is opened. By preventing the closing of the weight of the shield door is forcibly closed, there is an effect to prevent the safety accident.

While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically defined in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

Claims (7)

  1. A shielding plate 3 made of a brazing material is installed on one surface, and upper and lower rollers 10 and 11 are rotatably arranged at upper and lower ends thereof to move along the shielding door guide 40 of the guide assembly 30. Door 1;
    Front and rear rollers 21 and 22 are rotatably arranged in front and rear sides of the upper side, and the sliding door 20 moves along the sliding guide 60 of the guide assembly 30; And
    Shield door 1 and sliding door driving means (B) for moving the shielding door (1) and the sliding door 20 along the shielding door guide 40 and the sliding guide (60) Drive means assembly 70;
    Radiation shielding door opening and closing device, characterized in that comprising a.
  2. The method of claim 1, wherein the shield door guide 40,
    To guide the shielding door (1) to be moved by the shielding door driving means (A),
    A vertical beam 41 fixed to the upper slab in the width direction;
    A pair of upper inclinations fixed on the vertical beams 41 by an inclined bracket 42 to be inclined, and having an inclined guide groove 43a into which the upper roller 10 of the shielding door 1 is movably inserted. A guide 43; And
    The bottom is vertically fixed to the lower frame 50 provided on the bottom surface 44 of the bottom layer, the upper region is intersected with the front region of the upper inclined guide 43, is connected to protrude upward, the shielding door A pair of lower vertical guides 45 in which a vertical guide groove 45a into which the lower roller 11 of the (1) is movably inserted is formed;
    Radiation shielding door opening and closing device characterized in that consisting of.
  3. The front end of the upper inclined guide 43 is inclinedly fixed to the reinforcing anchor 49a provided at the corner of the inclined surface 49 on one surface of the protrusion 48 formed on the vertical wall surface 47, and the shielding is performed. Radiation shielding door opening and closing device, characterized in that the door (1) is maintained inclined closed.
  4. According to claim 1, The sliding guide 60,
    A pair of upper guides 62 having a first guide groove 62a through which the front roller 21 of the sliding door 20 is movably inserted; And
    It is provided in parallel with the upper guide 62, the front end of the upper guide 62 and the front end is curved outward so that the interval is maintained by the interval between the front and rear rollers (21, 22), the sliding door ( A pair of lower guides 64 having a second guide groove 64a through which the rear rollers 22 of the 20 are movably inserted;
    Radiation shielding door opening and closing device characterized in that consisting of.
  5. The method of claim 2, wherein the shielding door driving means (A),
    A connecting bracket 81 vertically connected to both sides of the horizontal beam 80 connecting the vertical beams 41;
    A horizontal rotation shaft 110 horizontally arranged rotatably between the connection brackets 81; A hydraulic motor 120 provided at one outer diameter of the horizontal rotating shaft 110 to rotate the horizontal rotating shaft 110 forward and reverse; A driving member (100) consisting of first and second sprockets (130, 131) rotatably mounted on one side and the other side of the horizontal rotating shaft (110);
    A chain 82 connected to the first and second sprockets 130 and 131 to transmit the rotational force of the driving member 100, one end of which is fixed to the shielding door 1;
    One end is fixed to the other end of the chain 82, the other end is fixed to the main weight balance 83, the vertical roller (84a) and the horizontal roller (84b) of the first wire wheel 84 is fixed to the electric wire A first wire 87 that is sequentially wound around the first roller 85a and the fourth wire wheel 86 of the third wire wheel 85;
    A wire sprocket 88 arranged coaxially with the lower roller 11 of the shielding door 1; And
    One end is fixed to the wire sprocket 88, vertically penetrates the front end region of the upper slope guide 43, the second roller 85b of the second wire wheel 90 and the third wire wheel 85. A second wire (89) wound sequentially on the other end and fixed to the auxiliary weight balance (91);
    Radiation shielding door opening and closing device characterized in that consisting of.
  6. According to claim 1, The sliding door driving means (B),
    A connector 200 arranged at the same height on the horizontal beam 80a;
    Horizontal rotating shaft 210 is rotatably arranged between the connector 200;
    A hydraulic motor 220 installed at one outer diameter of the horizontal rotating shaft 210 to rotate the horizontal rotating shaft 210 forward and reverse; And
    First and second winding drums 230 and 240 rotatably installed on one side and the other side of the horizontal rotating shaft 210 to rotate in accordance with the rotation of the hydraulic motor 220;
    Radiation shielding door opening and closing device characterized in that consisting of.
  7. The method of claim 2,
    A rotating hole 400 formed through the upper portion of the lower vertical guide 45;
    A rotation support 410 pivotally arranged below the rotation hole 400 so as to be able to pass through the rotation hole 400 in and out;
    A rod 420 having one end fixed to the pivot support 410; And
    A hydraulic cylinder 430 rotatably inserted in the rod 420 and having an upper end rotatably arranged in an upper region of the lower vertical guide 45; Safety means (C) consisting of the radiation shielding door opening and closing device characterized in that the lower vertical guide 45 is provided to be rotatable in the upper region.
KR1020050009705A 2005-02-02 2005-02-02 Opening and shutting apparatus for radiation shielding door KR100595476B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020050009705A KR100595476B1 (en) 2005-02-02 2005-02-02 Opening and shutting apparatus for radiation shielding door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050009705A KR100595476B1 (en) 2005-02-02 2005-02-02 Opening and shutting apparatus for radiation shielding door

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100907654B1 (en) 2009-02-05 2009-07-13 이붕희 Auto sliding rf shield door
KR100925005B1 (en) 2007-12-28 2009-11-06 (주)동광 Heavy weight door being albe to repair
KR100949721B1 (en) 2008-01-18 2010-03-29 한국수력원자력 주식회사 Adaption mechanism between hotcell door and container for transport of radioactive material
KR101580910B1 (en) * 2014-07-25 2015-12-31 삼성중공업 주식회사 Radioactive rays shielding device
KR101880061B1 (en) * 2016-12-06 2018-07-20 한국원자력연구원 Device for driving hot cell shielding door
KR102076670B1 (en) 2019-09-17 2020-02-12 케이비엔지니어링(주) Device to open close the shielded door manually in case of emergency power off

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100925005B1 (en) 2007-12-28 2009-11-06 (주)동광 Heavy weight door being albe to repair
KR100949721B1 (en) 2008-01-18 2010-03-29 한국수력원자력 주식회사 Adaption mechanism between hotcell door and container for transport of radioactive material
KR100907654B1 (en) 2009-02-05 2009-07-13 이붕희 Auto sliding rf shield door
KR101580910B1 (en) * 2014-07-25 2015-12-31 삼성중공업 주식회사 Radioactive rays shielding device
KR101880061B1 (en) * 2016-12-06 2018-07-20 한국원자력연구원 Device for driving hot cell shielding door
KR102076670B1 (en) 2019-09-17 2020-02-12 케이비엔지니어링(주) Device to open close the shielded door manually in case of emergency power off

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