阅读说明：本技术 一种防辐射混凝土屏蔽门及其施工工艺 (Radiation-proof concrete shield door and construction process thereof ) 是由 史轶君 史冬梅 岳涛 高小卫 刘娟 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种防辐射混凝土屏蔽门及其施工工艺,属于防辐射门领域,包括混凝土桩,所述混凝土桩的顶端固定安装有混凝土墙体,所述混凝土墙体的中间位置设置有中心通道,且中心通道的一侧设置有密封翻遍,密封翻遍外侧的混凝土墙体上设置有环形凹腔,所述混凝土墙体的侧壁上设置有八个装填口,且承重板块的一侧设置有卡合导杆,所述卡合导杆的其中一端设置有固定铰接块,固定铰接块和承重板块的侧壁固定连接,所述卡合导杆的另一端设置有活动铰接块,所述卡合导杆的中间设置有夹合门和对接门。本发明夹合门和对接门通过卡合导杆移动对接在一起,提高了屏蔽门内的密封性,避免放射性很强的辐射物质对人体造成伤害。(The invention discloses a radiation-proof concrete shield door and a construction process thereof, belonging to the field of radiation-proof doors and comprising a concrete pile, wherein a concrete wall body is fixedly arranged at the top end of the concrete pile, a central channel is arranged in the middle of the concrete wall body, one side of the central channel is provided with a sealing turnover, an annular concave cavity is arranged on the concrete wall body outside the sealing turnover, eight filling ports are arranged on the side wall of the concrete wall body, a clamping guide rod is arranged on one side of a bearing plate, a fixed hinge block is arranged at one end of the clamping guide rod and fixedly connected with the side wall of the bearing plate, a movable hinge block is arranged at the other end of the clamping guide rod, and a clamping door and a butt-joint door are arranged in the middle of the clamping guide rod. The clamping door and the butt-joint door are movably butted together through the clamping guide rod, so that the sealing performance in the shielding door is improved, and the harm of radiation substances with strong radioactivity to a human body is avoided.)

1. The utility model provides a radiation protection concrete shield door which characterized in that: the concrete pile comprises a concrete pile (1), a concrete wall (2) is fixedly installed at the top end of the concrete pile (1), the concrete wall (2) and the concrete pile (1) are perpendicular to each other, a central channel (3) is arranged in the middle of the concrete wall (2), one side of the central channel (3) is provided with a sealing turnover hole (301), an annular concave cavity (302) is arranged on the concrete wall (2) on the outer side of the sealing turnover hole (301), eight filling ports (11) are arranged on the side wall of the concrete wall (2), every four filling ports (11) form a group, a bearing plate block (9) is filled in the inner side of each filling port (11), a clamping guide rod (10) is arranged on one side of each bearing plate block (9), a fixed hinge block (1001) is arranged at one end of each clamping guide rod (10), and the fixed hinge block (1001) is fixedly connected with the side wall of each bearing plate block (9), the other end of the clamping guide rod (10) is provided with a movable hinge block (1002), the middle of the clamping guide rod (10) is provided with a clamping door (6) and a butt joint door (7), and the side walls of the clamping door (6) and the butt joint door (7) are fixedly connected with the movable hinge block (1002) through four connecting sheets (8).

2. The radiation protective concrete screen door of claim 1, wherein: the side of the clamping door (6) is provided with a clamping line groove (601), the side wall of the clamping door (6) is provided with a first sealing frame (602), the side edge of the butt joint door (7) is provided with a butt joint strip (701), the side wall of the butt joint door (7) is provided with a second sealing frame (702), and the first sealing frame (602) and the second sealing frame (702) are respectively matched with the sealing turnover door (301).

3. The radiation protective concrete screen door of claim 1, wherein: the inner sides of the clamping door (6) and the butt-joint door (7) are provided with mesh plates (704), one side of each mesh plate (704) is provided with soundproof cotton (706), the side wall of each soundproof cotton (706) is attached with one layer of flame retardant cloth (705), the mesh plates (704), the flame retardant cloth (705) and the soundproof cotton (706) are respectively provided with two groups, open holes of the two mesh plates (704) are staggered, and four edges of the lead metal plate (703) are bent inwards twice.

4. The radiation protective concrete screen door of claim 1, wherein: one side of the bearing plate block (9) is provided with a filling rod (901), the end of the filling rod (901) is provided with four divergent supports (902), the filling rod (901) and the divergent supports (902) are buried inside the filling port (11), and the filling rod (901) and the divergent supports (902) are fixedly connected with a cavity of the filling port (11) through secondary pouring concrete.

5. The radiation protective concrete screen door of claim 1, wherein: the concrete pile driving device is characterized in that a plane shaft seat (14) is fixedly installed at the bottom end of a concrete pile (1), a gear disc (1401) is arranged at the bottom end of the plane shaft seat (14), the gear disc (1401) is rotatably connected with the plane shaft seat (14), a reduction gear (1402) is arranged on one side of the gear disc (1401), the reduction gear (1402) is meshed with the gear disc (1401), the reduction gear (1402) is installed at the output end of a reduction motor (1403), the reduction motor (1403) is fixedly connected with the side wall of the concrete pile (1), a notch frame (16) is fixedly installed at the bottom end of the gear disc (1401), torsion openings (12) are formed in the concrete piles (1) on the two sides of the notch frame (16), a driving round rod (1201) penetrates through the inner side of each torsion opening (12), one clamping guide rod (10) at the top end of each driving round rod (1201) is fixedly connected, torsion pieces (1202) are arranged at the bottom end of each driving round rod (1201), the end of the torque sheet (1202) is provided with a propelling round rod (1203), the propelling round rod (1203) is inserted into the inner side of the notch frame (16), and the propelling round rod (1203) is connected with the notch frame (16) in a sliding mode.

6. The radiation protective concrete screen door of claim 1, wherein: concrete pile (1) bottom is provided with flagging support (15), one side of flagging support (15) is provided with second bevel gear (1602), and the opposite side of flagging support (15) is provided with vertical fluted disc (1603), be provided with first bevel gear (1601) on the bottom lateral wall of notch frame (16), first bevel gear (1601) and second bevel gear (1602) intermeshing, one side of vertical fluted disc (1603) is provided with rack (1301), rack (1301) and vertical fluted disc (1603) intermeshing, and be provided with on concrete pile (1) with rack (1301) assorted interlude square hole.

7. The radiation protective concrete screen door of claim 6, wherein: the top end of the rack (1301) is provided with an avoiding ejector rod (13), the middle of the avoiding ejector rod (13) is provided with an avoiding opening matched with the central channel (3), the top end of the avoiding ejector rod (13) is provided with an outward-turning square rod (1302), the end of the outward-turning square rod (1302) is provided with a vertical ejector rod (1303), and the top end of the vertical ejector rod (1303) is provided with a collision ball (1304).

8. The radiation protective concrete screen door of claim 1, wherein: the top fixed mounting of concrete pile (1) has two top guide rails (4), and the cover is equipped with delivery slider (401) on top guide rail (4), and delivery slider (401) and top guide rail (4) sliding connection, and the end fixed mounting of top guide rail (4) has turn-ups (402) that resets, and connect through reset spring (403) between turn-ups (402) and delivery slider (401) that reset, the bottom fixed mounting of delivery slider (401) has delivery plate block (5), and the top of delivery plate block (5) is provided with shelters from tile (502), and the bottom of sheltering from tile (502) is provided with three hornblocks (501), the lateral wall of three hornblocks (501) laminating conflict ball (1304).

9. The construction process of a radiation protection concrete screen door according to any one of claims 1 to 8, characterized by comprising the following steps:

s1, digging a foundation pit on the ground, tamping the foundation pit on the ground, pouring a concrete pile (1) in the foundation pit on the ground, reserving a certain rectangular cavity at the bottom end of the concrete pile (1), reserving a cavity of a central channel (3) in the middle of the concrete wall (2) when the concrete wall (2) is poured, reserving eight filling ports (11) on the side wall of the concrete wall (2), taking out eight bearing plate blocks (9) to be inserted into the filling ports (11), pouring concrete to the inner side of the filling ports (11), and forming the concrete inside the filling ports (11) and the concrete wall (2) in two times;

s2, taking out eight clamping guide rods (10), respectively mounting a fixed hinged block (1001) and a movable hinged block (1002) at two ends of each clamping guide rod (10), fixedly connecting the fixed hinged block (1001) with the side wall of a bearing plate block (9), connecting a clamping door (6) and a butt-joint door (7) through four connecting sheets (8) on the side walls of two groups of movable hinged blocks (1002), wherein a driving round rod (1201) is arranged at the bottom end of each clamping guide rod (10), when a gear disc (1401) is driven to rotate by a speed reducing motor (1403) through a speed reducing gear (1402), a notch frame (16) and the gear disc (1401) synchronously rotate, the notch frame (16) drives the clamping guide rods (10) to start rotating through the driving round rod (1201), the motion tracks of the clamping door (6) and the butt-joint door (7) at the moment are circular arcs taking the clamping guide rods (10) as the radius, and then the clamping door (6) and the butt-joint door (7) can be in butt-joint connection and separation together, the clamping line groove (601) and the butt joint strip (701) are butted and filled together, and the first sealing frame (602) and the second sealing frame (702) are respectively attached to the outer side wall of the sealing turnover part (301);

s3, notch frame (16) is in the rotatory while, first bevel gear (1601) and second bevel gear (1602) are also rotating, and then vertical fluted disc (1603) can drive rack (1301) and reciprocate, rack (1301) and dodge ejector pin (13) can be through three hornblocks (501) of conflict ball (1304 jack-up delivery plate piece (5) one side, and then it can extend forward to shelter from tile (502), nip door (6) and butt joint door (7) are when opening the door, it just stretches out to shelter from tile (502), in central passage (3) when people or article enter, the top of building can not the thing, if this kind of device is built in the great environment of dust, transport accurate instrument and equipment and just need shelter from tile (502) and block the sandy soil that probably drops at any time.

Technical Field

The invention relates to the field of radiation-proof doors, in particular to a radiation-proof concrete shielding door and a construction process thereof.

Background

With the development of industrial technology and the development of modern nuclear technology industry, radioactive substances have been widely used in various fields since their discovery, for example, some of them leak a certain amount of radiation into the environment, and the radiation dose to the human body exceeds a certain limit, and harmful effects can occur. In order to protect personnel from radiation, corresponding shielding facilities need to be built. The shielding facility generally comprises a shielding room and a shielding door, and the shielding door is divided into a metal (steel and lead) shielding door, a heavy-duty shielding door and a neutron shielding door according to materials aiming at different radiation protection requirements. For the heavy concrete shielding door, the door body formed by the steel framework and the concrete has huge depth and weight, and the door bodies of hundreds of tons and kilotons are not few for the requirements of different projects.

In order to meet the special requirements of radiation protection, a door body structure required by a protection process is selected, the precision requirement of the gap between a shielding door and a shielding door opening is very high, and the local radiation dose is easily increased due to the overlarge gap, so that the health of personnel is harmed.

Disclosure of Invention

The invention aims to provide a radiation-proof concrete shield door and a construction process thereof aiming at the defects of the prior art, wherein a certain gap is easily left between the prior radiation-proof door and a door frame, and the gap can allow air doped with nuclear radiation to flow out, thereby causing damage to medical staff and patients.

In order to solve the above problems, the present invention provides the following technical solutions: a radiation-proof concrete shield door comprises a concrete pile, a concrete wall body is fixedly arranged at the top end of the concrete pile, the concrete wall body and the concrete pile are mutually vertical, a central channel is arranged at the middle position of the concrete wall body, and one side of the central channel is provided with a sealing turnover, the concrete wall body at the outer side of the sealing turnover is provided with an annular concave cavity, eight filling ports are arranged on the side wall of the concrete wall body, every four filling ports form a group, a bearing plate block is filled on the inner side of each filling port, and one side of the bearing plate block is provided with a clamping guide rod, one end of the clamping guide rod is provided with a fixed hinge block, the fixed hinge block is fixedly connected with the side wall of the bearing plate block, the other end of the clamping guide rod is provided with a movable hinge block, the middle of the clamping guide rod is provided with a clamping door and a butt joint door, and the side walls of the clamping door and the butt joint door are fixedly connected through four connecting sheets and the movable hinge block.

Furthermore, be provided with the clamping wire casing on the side of clamping door, and be provided with first sealed frame on the lateral wall of clamping door, be provided with the butt joint strip on the side of butt joint door, and be provided with the sealed frame of second on the lateral wall of butt joint door, first sealed frame and the sealed frame of second turn over the phase-match with sealed respectively.

Further, the inboard of clamping door and butt joint door is provided with the mesh board, and one side of mesh board is provided with the soundproof cotton, the fire-retardant cloth of laminating one deck on the lateral wall of soundproof cotton, and mesh board, fire-retardant cloth and soundproof cotton are provided with two sets ofly respectively, and the trompil of two mesh boards staggers each other, and four edges of plumbous panel beating are bent twice to the inboard.

Furthermore, one side of bearing plate is provided with the filler rod, and the end of filler rod is provided with four and disperses the support, and the filler rod buries in the inboard of filling the mouth with dispersing the support, and the filler rod passes through secondary concreting fixed connection with the cavity of filling the mouth with dispersing the support.

Further, the bottom fixed mounting of concrete pile has the plane axle bed, and the bottom of plane axle bed is provided with the toothed disc, toothed disc and plane axle bed swivelling joint, and one side of toothed disc is provided with reducing gear, reducing gear and toothed disc intermeshing, and reducing gear installs on reducing motor's output, and reducing motor and concrete pile's lateral wall fixed connection, the bottom fixed mounting of toothed disc has the notch frame, is provided with on the concrete pile of notch frame both sides to twist reverse the opening, twists reverse the opening inboard and has alternate the drive round bar, and one of them block guide arm fixed connection in the top of drive round bar, the bottom of drive round bar is provided with the torsion piece, and the end of torsion piece is provided with impels the round bar, impels the round bar and alternates in the inboard of notch frame, and impels round bar and notch frame sliding connection.

Further, the concrete pile bottom is provided with flagging support, and one side of flagging support is provided with the second bevel gear, and the opposite side of flagging support is provided with vertical fluted disc, is provided with first bevel gear on the bottom lateral wall of notch frame, first bevel gear and second bevel gear intermeshing, and one side of vertical fluted disc is provided with the rack, rack and vertical fluted disc intermeshing, and be provided with on the concrete pile with rack assorted square hole that alternates.

Further, the top end of the rack is provided with an avoiding ejector rod, an avoiding opening matched with the central channel is formed in the middle of the avoiding ejector rod, an outwards-turned square rod is arranged at the top end of the avoiding ejector rod, a vertical ejector rod is arranged at the end of the outwards-turned square rod, and a collision ball is arranged at the top end of the vertical ejector rod.

Further, the top fixed mounting of concrete pile has two top guide rails, and the cover is equipped with the delivery slider on the top guide rail, delivery slider and top guide rail sliding connection, and top guide rail's end fixed mounting has the turn-ups that resets, and the connection through reset spring between turn-ups and the delivery slider that resets, the bottom fixed mounting of delivery slider has the delivery plate, and the top of delivery plate is provided with shelters from the tile, and the bottom of sheltering from the tile is provided with three hornblocks, the lateral wall of three hornblocks laminating conflict balls.

Further, the construction process of the radiation-proof concrete shield door comprises the following steps:

s1, digging a foundation pit on the ground, tamping the foundation pit on the ground, pouring a concrete pile into the foundation pit on the ground, reserving a certain rectangular cavity at the bottom end of the concrete pile, reserving a cavity of a central channel in the middle of the concrete wall when the concrete wall is poured, reserving eight filling ports on the side wall of the concrete wall, taking out eight bearing plates to penetrate into the filling ports, pouring concrete to the inner sides of the filling ports, and forming the concrete inside the filling ports and the concrete wall twice;

s2, taking out eight clamping guide rods, wherein two ends of each clamping guide rod are respectively used for hanging a fixed hinging block and a movable hinging block, the fixed hinging blocks are fixedly connected with the side walls of the bearing plate blocks, the side walls of the two groups of movable hinging blocks are connected with a clamping door and a butt joint door through four connecting pieces, the bottom ends of the two clamping guide rods are provided with driving round rods, when a gear wheel is driven by a speed reducing motor through a reduction gear to rotate, a notch frame and the gear wheel rotate synchronously, the notch frame drives the clamping guide rods to rotate through the driving round rods, the motion tracks of the clamping door and the butt joint door are arcs taking the clamping guide rods as radii, the clamping door and the butt joint door can be butted and separated together, the clamping wire grooves and the butt joint strips can be butted and filled together, and a first sealing frame and a second sealing frame are respectively attached to the outer side walls which are turned over in a sealing manner;

s3 the notch frame is in the rotation, first bevel gear and second bevel gear are also rotatory, and then vertical fluted disc can drive the rack and reciprocate, the rack with dodge the ejector pin and can be through the three hornblocks of conflict ball top jack-up transport support plate one side, and then it can extend forward to shelter from the tile, the clamping door is opening the door with the butt joint door when, it just stretches out to shelter from the tile, in the centre passage when entering people or article, the top of building can not the thing that falls, if the construction of this kind of device is in the great environment of dust, transport accurate instrument and equipment and just need shelter from the tile and block the sand and soil that probably dropped at any time.

The invention has the beneficial effects that:

one of the two methods is that a foundation pit is dug out on the ground, the foundation pit on the ground is tamped, a concrete pile is poured in the foundation pit on the ground, a certain rectangular cavity is reserved at the bottom end of the concrete pile, when a concrete wall is poured, a cavity of a central channel is reserved in the middle of the concrete wall, eight filling ports are reserved on the side wall of the concrete wall, eight bearing plates are taken out and inserted into the filling ports, concrete is poured towards the inner sides of the filling ports, the concrete and the concrete wall inside the filling ports are formed twice, then the bearing plates can be conveniently taken out from the filling ports to form a model which can be changed, the effect of conveniently and quickly changing the bearing plates is achieved, the sealing performance in a shielding door is improved, and the damage to a human body caused by radiation substances with strong radioactivity is avoided.

And secondly, wherein the bottom of two block guide rods is provided with the drive round bar, when gear motor drives the toothed disc rotation through reduction gear, notch frame and toothed disc synchronous revolution, the notch frame begins to rotate through drive round bar drive block guide rod, the trajectory of motion of the clamping door and the butt joint door at this moment is with the block guide rod as radial circular arc, and then the clamping door can be in the same place with the butt joint door butt joint, the clamping wire casing can be in the same place with the butt joint strip butt joint packing, first sealed frame and second sealed frame are laminated respectively at the sealed lateral wall that turns over, sealed effect has been realized.

The material of the radiation-proof door is made of lead materials, in order to reduce the weight of the radiation-proof door, the mesh plate is additionally arranged in the radiation-proof door, the material of the mesh plate is also lead, and the flame-retardant cloth and the soundproof cotton have the effect of protecting the door body, so that open fire or overlarge noise can be prevented from occurring on the outer side of the concrete wall body.

Drawings

Fig. 1 is a schematic view of a front view of a radiation-proof concrete screen door.

Fig. 2 is a schematic diagram of a side view of a radiation protective concrete screen door.

Fig. 3 is a schematic view of a top rail of a radiation protective concrete screen door.

Fig. 4 is a schematic view of a radiation-proof concrete shield door carrier plate.

Fig. 5 is a schematic sectional view of a radiation-proof concrete shield door.

Fig. 6 is a schematic sectional view of a concrete wall of a radiation-proof concrete shield door.

Fig. 7 is a schematic view of a radiation protection concrete shield door sandwich door.

Fig. 8 is a schematic view of a radiation-proof concrete screen door viewed from below.

Fig. 9 is a schematic view of the radiation-proof concrete screen door from a second bottom view.

Fig. 10 is a schematic view of a radiation protective concrete shield door load bearing panel.

Fig. 11 is a schematic view of a cross section of a radiation protection concrete shield door clamping door.

Description of reference numerals:

concrete pile 1, concrete wall 2, central channel 3, sealing overturn 301, annular cavity 302, top guide rail 4, carrying slide block 401, reset flanging 402, reset spring 403, carrying plate 5, triangular block 501, shielding tile 502, clamping door 6, clamping line groove 601, first sealing frame 602, butt door 7, butt strip 701, second sealing frame 702, lead sheet metal 703, mesh plate 704, flame retardant cloth 705, soundproof cotton 706, connecting sheet 8, bearing plate 9, filling rod 901, diverging bracket 902, clamping guide rod 10, fixed hinged block 1001, movable hinged block 1002, filling port 11, torsion opening 12, driving round rod 1201, torsion sheet 1202, pushing round rod 1203, avoiding ejector rod 13, rack 1301, everting square rod 1302, vertical ejector rod 1303, interference ball 1304, plane 14, gear disc 1401, reduction gear 1402, reduction motor, drooping bracket 15, notch bracket 1403, a first bevel gear 1601, a second bevel gear 1602, a vertical toothed disc 1603.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11, a radiation-proof concrete shield door includes a concrete pile 1, a concrete wall 2 is fixedly installed at a top end of the concrete pile 1, the concrete wall 2 and the concrete pile 1 are perpendicular to each other, a central passage 3 is provided at a middle position of the concrete wall 2, a sealing turnover 301 is provided at one side of the central passage 3, an annular cavity 302 is provided on the concrete wall 2 outside the sealing turnover 301, eight filling ports 11 are provided on a sidewall of the concrete wall 2, every four filling ports 11 form a group, a bearing plate block 9 is filled inside each filling port 11, a clamping guide rod 10 is provided at one side of the bearing plate block 9, a fixed hinge block 1001 is provided at one end of the clamping guide rod 10, and the fixed hinge block 1001 is fixedly connected with the sidewall of the bearing plate block 9, the other end of the clamping guide rod 10 is provided with a movable hinge block 1002, a clamping door 6 and a butt joint door 7 are arranged in the middle of the clamping guide rod 10, the side walls of the clamping door 6 and the butt joint door 7 are fixedly connected with the movable hinge block 1002 through four connecting sheets 8, when the clamping guide rod 10 operates simultaneously, the clamping door 6 and the butt joint door 7 lock the clamping guide rod 10 to operate, the motion tracks of the clamping door 6 and the butt joint door 7 are arcs with the length of the clamping guide rod 10 as the diameter, and the postures of the clamping door 6 and the butt joint door 7 are kept unchanged during operation.

The side of the clamping door 6 is provided with a clamping slot 601, the side wall of the clamping door 6 is provided with a first sealing frame 602, the side edge of the butt door 7 is provided with a butt joint strip 701, the side wall of the butt door 7 is provided with a second sealing frame 702, the first sealing frame 602 and the second sealing frame 702 are respectively matched with the sealing turnover 301, the clamping door 6 and the butt door 7 can be butted and clamped together, the clamping slot 601 and the butt joint strip 701 can be butted and filled together, the first sealing frame 602 and the second sealing frame 702 are respectively attached to the outer side wall of the sealing turnover 301, and the sealing effect is achieved.

The inside of clamping door 6 and butt joint door 7 is provided with mesh board 704, and one side of mesh board 704 is provided with soundproof cotton 706, laminating one deck fire-retardant cloth 705 on soundproof cotton 706's the lateral wall, mesh board 704, fire-retardant cloth 705 and soundproof cotton 706 are provided with two sets respectively, and the trompil of two mesh boards 704 staggers each other, four edges of plumbous panel beating 703 are bent towards the inboard twice, the material of radiation protection door is made with the lead material, in order to reduce the weight of radiation protection door, install mesh board 704 additional in radiation protection door, the material of mesh board 704 is also plumbous, fire-retardant cloth 705 and soundproof cotton 706 have the effect of the protection door body, can prevent that the concrete wall body outside from taking place the naked light, or have too big noise.

One side of bearing plate 9 is provided with filler rod 901, the end of filler rod 901 is provided with four and disperses support 902, filler rod 901 and support 902 of dispersing bury at the inboard of filling the mouth 11, filler rod 901 and support 902 of dispersing pass through secondary concreting fixed connection with the cavity of filling the mouth 11, dig out the foundation ditch subaerial, tamp the foundation ditch on the ground again, pour concrete pile 1 in the foundation ditch subaerial, and the bottom of concrete pile 1 leaves certain rectangle cavity, when pouring concrete wall 2, reserve the cavity of central channel 3 in the middle of concrete wall 2, leave eight filling the mouth 11 on the lateral wall of concrete wall 2, take out eight bearing plate 9 and alternate in filling the mouth 11 again, toward the inboard concreting of filling the mouth 11, the concrete and the concrete wall 2 of filling the inboard of mouth 11 divide twice into the shaping.

The bottom end of the concrete pile 1 is fixedly provided with a plane shaft seat 14, the bottom end of the plane shaft seat 14 is provided with a gear disc 1401, the gear disc 1401 is rotatably connected with the plane shaft seat 14, one side of the gear disc 1401 is provided with a reduction gear 1402, the reduction gear 1402 and the gear disc 1401 are mutually meshed, the reduction gear 1402 is installed on the output end of a reduction motor 1403, the reduction motor 1403 is fixedly connected with the side wall of the concrete pile 1, the bottom end of the gear disc 1401 is fixedly provided with a notch frame 16, the concrete piles 1 on two sides of the notch frame 16 are provided with torsion openings 12, driving round rods 1201 penetrate through the inner sides of the torsion openings 12, one of the clamping guide rods 10 at the top ends of the driving round rods 1201 is fixedly connected, the bottom end of the driving round rods 1201 is provided with torsion pieces 1202, the end of each torsion piece 1202 is provided with a propelling round rod 1203, the propelling round rods 1203 penetrate through the inner sides of the notch frame 16, and the propelling round rods 1203 are slidably connected with the notch frame 16, the bottom ends of the two clamping guide rods 10 are provided with driving round rods 1201, when the gear wheel 1401 is driven by the speed reducing motor 1403 through the speed reducing gear 1402 to rotate, the notch frame 16 and the gear wheel 1401 rotate synchronously, and the notch frame 16 drives the clamping guide rods 10 to rotate through the driving round rods 1201.

The concrete pile 1 bottom is provided with flagging support 15, and one side of flagging support 15 is provided with second bevel gear 1602, and the opposite side of flagging support 15 is provided with vertical fluted disc 1603, is provided with first bevel gear 1601 on the bottom lateral wall of notch frame 16, and first bevel gear 1601 and second bevel gear 1602 intermeshing, one side of vertical fluted disc 1603 is provided with rack 1301, rack 1301 and vertical fluted disc 1603 intermeshing, and be provided with on the concrete pile 1 with rack 1301 assorted square hole that alternates.

The top end of the rack 1301 is provided with an avoiding ejector rod 13, the middle of the avoiding ejector rod 13 is provided with an avoiding opening matched with the central channel 3, the top end of the avoiding ejector rod 13 is provided with an outward-turning square rod 1302, the end of the outward-turning square rod 1302 is provided with a vertical ejector rod 1303, the top end of the vertical ejector rod 1303 is provided with a collision ball 1304, the notch frame 16 rotates, the first bevel gear 1601 and the second bevel gear 1602 rotate, the vertical fluted disc 1603 can drive the rack 1301 to move up and down, and the rack 1301 and the avoiding ejector rod 13 can move up through the collision ball 1304.

The top end of the concrete pile 1 is fixedly provided with two top guide rails 4, the top guide rails 4 are sleeved with a carrying slide block 401, the carrying slide block 401 is in sliding connection with the top guide rails 4, the end heads of the top guide rails 4 are fixedly provided with reset flanges 402, the reset flanges 402 are connected with the carrying slide block 401 through reset springs 403, the bottom end of the carrying slide block 401 is fixedly provided with a carrying plate 5, the top end of the carrying plate 5 is provided with shielding tiles 502, the bottom end of each shielding tile 502 is provided with a triangular block 501, the triangular block 501 is attached to the outer side wall of a collision ball 1304, the collision ball 1304 collides with the triangular block 501 on one side of the carrying plate 5, the shielding tiles 502 extend forwards, the shielding tiles 502 extend out when the clamping door 6 and the butt door 7 are opened, the shielding tiles 502 in the central channel 3 enter people or articles, the top end of a building falls, and the device is constructed on a mountain body, transporting delicate instruments and equipment requires shielding tiles 502 to block the falling sand.

A construction process of a radiation-proof concrete shield door comprises the following steps:

s1, digging a foundation pit on the ground, tamping the foundation pit on the ground, pouring a concrete pile 1 into the foundation pit on the ground, reserving a certain rectangular cavity at the bottom end of the concrete pile 1, reserving a cavity of a central channel 3 in the middle of a concrete wall 2 when the concrete wall 2 is poured, reserving eight filling ports 11 on the side wall of the concrete wall 2, taking out eight bearing plate blocks 9 to be inserted into the filling ports 11, pouring concrete to the inner side of the filling ports 11, and forming the concrete inside the filling ports 11 and the concrete wall 2 in two times;

s2, taking out eight clamping guide rods 10, respectively mounting a fixed hinge block 1001 and a movable hinge block 1002 at two ends of each clamping guide rod 10, fixedly connecting the fixed hinge blocks 1001 with the side walls of the bearing plate blocks 9, connecting the side walls of the two groups of movable hinge blocks 1002 with a clamping door 6 and a butt door 7 through four connecting sheets 8, wherein, the bottom ends of the two clamping guide rods 10 are provided with a driving round rod 1201, when the gear wheel 1401 is driven by the speed reducing motor 1403 through the speed reducing gear 1402 to rotate, the notch frame 16 and the gear wheel 1401 rotate synchronously, the notch frame 16 drives the clamping guide rods 10 to rotate through the driving round rod 1201, the motion trails of the clamping door 6 and the butt door 7 at the moment are arcs taking the clamping guide rods 10 as the radius, the clamping door 6 and the butt door 7 are butted and opened together, the clamping line groove 601 and the butt strip 701 are butted and filled together, and the first sealing frame 602 and the second sealing frame 702 are respectively attached to the outer side wall of the sealing turnover 301;

s3. notch frame 16 is in the rotatory while, first bevel gear 1601 and second bevel gear 1602 are also rotating, and then vertical fluted disc 1603 can drive rack 1301 and reciprocate, rack 1301 and dodge ejector pin 13 can be through the triangular block 501 of conflict ball 1304 jack-up delivery plate 5 one side, and then shelter from tile 502 and can extend forward, clamping door 6 and butt joint door 7 are when opening the door, it just stretches out to shelter from tile 502, in the time of entering people or article in central passage 3, the top of building can not the thing that falls, this kind of device is if the construction is in the great environment of dust, it just need shelter from tile 502 to transport accurate instrument and equipment and blocks the sand and soil that probably dropped at any time.

Finally, when the clamping guide rod 10 operates simultaneously, the clamping guide rod 10 operates by locking the clamping door 6 and the butt door 7, the motion tracks of the clamping door 6 and the butt door 7 are arcs with the length of the clamping guide rod 10 as the diameter, the postures of the clamping door 6 and the butt door 7 are kept unchanged during operation, the clamping door 6 and the butt door 7 can be clamped together in a butt joint mode, the clamping line groove 601 and the butt joint strip 701 can be filled in a butt joint mode, the first sealing frame 602 and the second sealing frame 702 are respectively attached to the outer side wall of the sealing turnover 301, the sealing effect is achieved, the radiation-proof door is made of lead materials, in order to reduce the weight of the radiation-proof door, the mesh plate 704 is additionally arranged in the radiation-proof door, the mesh plate 704 is made of lead, the flame-retardant cloth 705 and the soundproof cotton 706 have the function of protecting the door body, and can prevent the outside of the concrete wall body from generating open noise or having overlarge noise, digging a foundation pit on the ground, tamping the foundation pit on the ground, pouring a concrete pile 1 in the foundation pit on the ground, reserving a certain rectangular cavity at the bottom end of the concrete pile 1, reserving a cavity of a central channel 3 in the middle of the concrete wall 2 when pouring the concrete wall 2, reserving eight filling ports 11 on the side wall of the concrete wall 2, taking out eight bearing plates 9 to penetrate into the filling ports 11, pouring concrete to the inner side of the filling ports 11, forming the concrete and the concrete wall 2 at the inner side of the filling ports 11 in two times, wherein the bottom ends of two clamping guide rods 10 are provided with driving round rods 1201, when a gear disc 1401 is driven by a speed reducing motor 1403 to rotate through a speed reducing gear 1402, a notch frame 16 and the gear disc 1401 synchronously rotate, the notch frame 16 drives the clamping guide rods 10 to rotate through the driving round rods, and the notch frame 16 rotates, first bevel gear 1601 and second bevel gear 1602 are also rotating, and then vertical fluted disc 1603 can drive rack 1301 and reciprocate, rack 1301 can move up through conflict ball 1304 with dodge ejector pin 13, conflict ball 1304 can conflict the triangular block 501 of carrying plate 5 one side, and then it can extend forward to shelter from tile 502, clamping door 6 and butt joint door 7 are when opening the door, shelter from tile 502 and just stretch out, in the time of people or article entering in central passage 3, the top of building can the thing that falls.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.