Heavy radiation protection door with stable opening and closing

Abstract

The present application relates to the technical field of safety equipment, in particular to a heavy radiation protection door with stable opening and closing, which comprises a door frame, symmetrical guide rails are fixedly connected to the upper and lower sides inside the door frame, a door plate is slidably connected to the inside of the door frame, a plurality of guide wheels are symmetrically rotatably connected to the surface of the door plate, and the guide wheels are slidably connected with the guide rails. The double-head motor drives the traction wheels to rotate, which drives the door plate to be pushed and pulled along the guide rails through the traction of the steel cable and the traction block. At the same time, the guide wheels roll along the guide rails to drive the cleaning wheels to clean the guide rails, and the surface of the door plate is wiped by the cleaning belt to remove the dirt accumulated on the surface, which can prevent the accumulation of sundries on the surface of the guide rails, affect the normal opening and closing of the door plate, prevent the corrosion and damage of the door plate caused by dirt, effectively prevent the isolation effect of the protection door on radiation, and greatly improve the safety of work.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safety equipment, in particular to a heavy radiation protection door with stable opening and closing. BACKGROUND

[0002] The protection door is widely used in construction operation and some special working places, and in the process of some industrial inspection operation, radiation operation is needed, which will produce corresponding broken radiation light. In order to ensure the safety of operation, the protection door made of lead door or composite material lead door is usually selected to block the radiation, and the protection door is relatively heavy.

[0003] However, the existing protection door often has the following problems in specific work: first, since the working environment of the industrial inspection operation place is relatively messy, there are gravel or other sundries on the ground, and since the push-pull type protection door has a corresponding push-pull rail, the gravel or other sundries will fall on the surface of the rail, which will affect the normal sliding of the protection door in the process of closing or opening, and will cause the protection door to be not closed tightly in the process of closing, and even scratch the door body, causing the protection function to decrease, and in serious cases, the protection may be completely lost, which may cause harm to the workers in the working environment; secondly, according to the operation regulations, the surface of the protection door needs to be cleaned, and since the working environment of the industrial inspection is relatively complex, the dust and other dirt on the surface or the corrosion, rust or other damage to the door body will seriously damage the protection performance of the protection door, greatly increasing the risk coefficient in the working process. SUMMARY

[0004] The present application relates to the technical field of safety equipment, in particular to a heavy radiation protection door with stable opening and closing.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] A heavy radiation protection door with stable opening and closing, comprising a door frame, the inside of the door frame is symmetrically fixedly connected with guide rails on the upper and lower sides, a door panel is slidably connected inside the door frame, a plurality of guide wheels are symmetrically rotatably connected to the surface of the door panel, and the guide wheels are slidably connected with the guide rails;

[0007] A double-head motor is fixedly connected inside the door frame, two traction mechanisms are symmetrically arranged on the upper and lower sides of the inside of the door panel, the traction mechanism comprises a traction wheel, a positioning wheel and a traction cable, the traction wheel and the positioning wheel are both rotatably connected inside the door panel, the traction wheel is fixedly connected with the output end of the double-head motor through a shaft coupling, traction blocks are symmetrically fixedly connected on the upper and lower sides of the door panel, and the traction blocks are fixedly connected with the traction cable;

[0008] The connecting wheel is rotatably connected to the inside of the door plate, a conical wheel is rotatably connected to the inside of the door plate, the conical wheel is connected to the connecting wheel through a belt transmission, the bottom of the conical wheel is engaged with a direction-changing tooth, the surface of the direction-changing tooth is engaged with a bottom tooth, the bottom tooth and the direction-changing tooth are both rotatably connected to the inside of the door plate, the top of the bottom tooth is fixedly connected with a cleaning wheel, the cleaning wheel is slidably connected with a guide rail, and the rotation of the guide wheel drives the connecting wheel to rotate in the inside of the door plate.

[0009] In the heavy radiation protection door, the two sides of the door frame are connected with cleaning boxes, two rotating rollers are rotatably connected in the inside of the cleaning box, rotating wheels are fixedly connected to the bottom of the rotating rollers, a connecting belt is transmission connected between the two rotating wheels, lock seats are fixedly connected to the surface of the connecting belt near the door plate, a connecting block is fixedly connected between the two lock seats, the surface of the connecting block is fixedly connected with the traction block below, a cleaning belt is slidably connected in the inside of the cleaning box, the cleaning belt is throughly arranged in the cleaning box and slidably connected with the surface of the door plate, and the two rotating rollers are rotatably connected with the cleaning belt.

[0010] In the heavy radiation protection door, four cleaning rollers are rotatably connected in the inside of the cleaning box, the four cleaning rollers are symmetrically distributed on the two sides of the cleaning belt, comb teeth are fixedly connected to the surface of the cleaning rollers, and the surface of the comb teeth is provided with a spray port, a water tank is fixedly connected to the surface of the door frame, the water tank is communicated with the cleaning rollers through a pipeline, and extrusion plates are symmetrically fixedly connected in the inside of the cleaning box.

[0011] In the heavy radiation protection door, a belt disc is fixedly sleeved on one side of the output end of the double-head motor, a steel belt is engaged with the surface of the belt disc, two connecting discs are symmetrically rotatably connected in the inside of the door frame, the connecting discs are engaged with the steel belt, a transmission wheel is rotatably connected to the bottom of the connecting disc, a transmission gear is transmission connected with the surface of the transmission wheel through a belt, a driven tooth is engaged with the surface of the transmission gear, the driven tooth is rotatably connected to the inside of the door frame, and the driven tooth is fixedly connected with the cleaning roller.

[0012] In the heavy radiation protection door, a balance block is fixedly connected to one side of the surface of the traction block, and the balance block is slidably connected with the surface of the traction cable.

[0013] In the heavy radiation protection door, a receiving groove is formed in the surface of the door plate, a contraction spring is fixedly connected in the inside of the receiving groove, a scraper is fixedly connected to the other end of the contraction spring, the scraper is slidably connected with the door plate through the receiving groove, and the scraper is slidably connected with the surface of the guide rail.

[0014] The surface of the door frame is fixedly connected with a pre-buried door rail, the surface of the pre-buried door rail is fixedly connected with a sealing strip, and the surface of the door plate close to the pre-buried door rail is provided with a sealing groove.

[0015] The inside of the rotating wheel is rotatably connected with a ratchet, and the ratchet is fixedly connected with the inside of the cleaning box.

[0016] Compared with the prior art, the heavy radiation protection door has the advantages that:

[0017] The double-head motor drives the traction wheel to rotate, forces the traction cable to pull the traction block, and drives the door plate to slide, the belt transmission effect drives the conical wheel to rotate, the cleaning wheel is driven by the change direction tooth belt to clean the guide rail, the surface of the guide rail is prevented from accumulating sundries, the door plate is prevented from being unable to normally slide open and closed, or being scratched, and the protection effect is prevented from being damaged;

[0018] During the process that the door plate is retracted into the door frame, the surface of the door plate is rubbed between the two sides and the cleaning belt, dirt on the surface of the door plate is removed, and during the process that the door plate is pushed out, the connecting block drives the two rotating rollers to rotate through the lock seat, the used cleaning belt is rotated into the cleaning box for cleaning, dirt accumulated on the surface of the door plate is effectively and automatically cleaned, the protection performance is prevented from being reduced due to damage of the door body, and the safety of work is further improved;

[0019] In summary, the double-head motor drives the traction wheel to rotate, the traction cable cooperates with the traction block to drive the door plate to slide along the guide rail, at the same time, the guide wheel rolls along the guide rail to drive the cleaning wheel to clean the guide rail, and the cleaning belt wipes the surface of the door plate to remove dirt accumulated on the surface of the door plate, the guide rail surface is prevented from accumulating sundries, the normal opening and closing work of the door plate is prevented, the door plate is prevented from being corroded and damaged by dirt, the isolation effect of the radiation protection door is effectively prevented, and the safety of work is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a perspective structural schematic diagram of the present application;

[0021] Figure 2 is a sectional view structural schematic diagram of the door frame of the present application;

[0022] Figure 3 is a sectional view structural schematic diagram of the mounting plate of the present application;

[0023] Figure 4 is a sectional view structural schematic diagram of the cleaning box of the present application;

[0024] Figure 5is a schematic view of a door plate three-dimensional structure of the present application;

[0025] Figure 6 is a schematic view of a door plate cross-sectional structure of the present application;

[0026] Figure 7 is a schematic view of a door plate three-dimensional structure of the present application; Figure 6 is a schematic view of a door plate three-dimensional structure of the present application;

[0027] Figure 8 is a schematic view of a door plate three-dimensional structure of the present application;

[0028] Figure 9 is a schematic view of a door plate three-dimensional structure of the present application;

[0029] Figure 10 is a schematic view of a door plate three-dimensional structure of the present application;

[0030] Figure 11 is a schematic view of a door plate three-dimensional structure of the present application; Figure 10 is a schematic view of a door plate three-dimensional structure of the present application;

[0031] In the figure: 1, door frame; 2, guide rail; 3, door plate; 4, guide wheel; 5, double-head motor; 6, traction mechanism; 601, traction wheel; 602, positioning wheel; 603, traction cable; 7, traction block; 8, connecting wheel; 9, tapered wheel; 10, direction-changing tooth; 11, bottom tooth; 12, cleaning wheel; 13, cleaning box; 14, rotating roller; 15, rotating wheel; 16, connecting belt; 17, lock seat; 18, connecting block; 19, cleaning belt; 20, cleaning roller; 21, comb tooth; 22, spout; 23, water tank; 24, extrusion plate; 25, belt disc; 26, steel belt; 27, connecting disc; 28, transmission wheel; 29, transmission gear; 30, driven tooth; 31, balancing block; 32, storage groove; 33, contraction spring; 34, scraper; 35, pre-buried door edge; 36, sealing strip; 37, sealing groove; 38, ratchet tooth. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] ReferenceFigures 1-11 The utility model provides a heavy -duty radiation protection door of opening and closing stability, including door frame 1, the inside symmetry fixed connection of upper and lower both sides of door frame 1 has guide rail 2, the inside sliding connection of door frame 1 has door plate 3, the surface symmetry of door plate 3 is connected with a plurality of guide wheels 4, and guide wheel 4 is connected with guide rail 2 slidingly, and the inside fixed connection of door frame 1 has double -end motor 5, and the inside symmetry of door plate 3 is provided with two traction mechanism 6, and traction mechanism 6 includes traction wheel 601, positioning wheel 602 and traction cable 603, and traction wheel 601 and positioning wheel 602 are all rotatably connected in the inside of door plate 3, and traction wheel 601 is fixedly connected with the output end of double -end motor 5 through the shaft coupling, and the inside symmetry of door plate 3 is fixedly connected with traction block 7, and the surface of traction block 7 is fixedly connected with traction cable 603, and connecting wheel 8 is rotatably connected in the inside of door plate 3, and the inside rotatable connection of door plate 3 has conical wheel 9, and conical wheel 9 is connected with connecting wheel 8 through belt transmission, and the bottom of conical wheel 9 is engaged with direction-changing tooth 10, and the surface of direction-changing tooth 10 is engaged with bottom tooth 11, and bottom tooth 11 and direction-changing tooth 10 are all rotatably connected in the inside of door plate 3, and the top of bottom tooth 11 is fixedly connected with cleaning wheel 12, and cleaning wheel 12 is connected with guide rail 2 slidingly, and the rotation of guide wheel 4 will drive connecting wheel 8 to rotate in the inside of door plate 3.

[0035] Wherein, through double -end motor 5 drive upper and lower two traction wheel 601 rotation, traction cable 603 will cooperate positioning wheel 602 rotation in the inside of door frame 1, because the fixed connection between one side of traction cable 603 and traction block 7, can drive traction block 7 to slide, to this along guide rail 2 form stable push and pull effect of door plate 3, in the process that door plate 3 slides along guide rail 2, its surface guide wheel 4 will also along guide rail 2 roll, on the one hand, guide wheel 4 can play the effect of supporting and auxiliary sliding of door plate 3, on the other hand, the rotation of guide wheel 4 will drive connecting wheel 8 to rotate in the inside of door plate 3, at this moment, connecting wheel 8 will drive conical wheel 9 to rotate through the belt, can drive direction-changing tooth 10 to rotate, through the meshing effect of bottom tooth 11 and direction-changing tooth 10, at this moment, cleaning wheel 12 will rotate, to this the surface of guide rail 2 is cleaned, can prevent foreign matter to accumulate on the surface of guide rail 2, influence the normal opening and closing of door plate 3, influence protection effect.

[0036] The surface of traction block 7 one side is fixedly connected with balance block 31, and balance block 31 is connected with the surface of traction cable 603 slidingly, wherein, because traction block 7 only has one side fixed with traction cable 603, with the auxiliary action of balance block 31, the stress balance of traction block 7 can be balanced, to prevent the side turning, ensure the normal sliding of traction block 7.

[0037] The surface of the door plate 3 is provided with a receiving groove 32, the inside of the receiving groove 32 is fixedly connected with a contraction spring 33, the other end of the contraction spring 33 is fixedly connected with a scraper 34, the scraper 34 is slidably connected with the door plate 3 through the receiving groove 32, and the scraper 34 is slidably connected with the surface of the guide rail 2, wherein, since the cleaning wheel 12 only cleans the groove of the guide rail 2, there will be sundries on the upper surface, which can be cleaned by the scraper 34, and the scraper 34 automatically retracts after contacting the embedded door edge 35.

[0038] The surface of the door frame 1 is fixedly connected with an embedded door edge 35, the surface of the embedded door edge 35 is fixedly connected with a sealing strip 36, the surface of the side of the door plate 3 close to the embedded door edge 35 is provided with a sealing groove 37, and the sealing strip 36 is inserted with the sealing groove 37, wherein, through the insertion effect between the sealing strip 36 and the sealing groove 37, the sealing effect of the door plate 3 after being closed can be further improved, so as to improve the effect of isolating the rays.

[0039] Referring to Figures 1-11 The two sides of the door frame 1 are both communicated with a cleaning box 13, the inside of the cleaning box 13 is rotatably connected with two rotating rollers 14, the bottom of the rotating roller 14 is fixedly connected with a rotating wheel 15, the two rotating wheels 15 are transmissionally connected with a connecting belt 16, the surface of the side of the connecting belt 16 close to the door plate 3 is fixedly connected with a lock seat 17, the two lock seats 17 are fixedly connected with a connecting block 18, the surface of the connecting block 18 is fixedly connected with the lower traction block 7, the inside of the cleaning box 13 is slidably connected with a cleaning belt 19, the cleaning belt 19 is penetratingly arranged in the cleaning box 13, and the surface of the cleaning belt 19 is slidably connected with the door plate 3, and the two rotating rollers 14 are rotatably connected with the cleaning belt 19.

[0040] Wherein, in the sliding process of the door plate 3, a certain friction effect will be generated between the surface of the door plate 3 and the cleaning belt 19, the surface of the door plate 3 is wiped and cleaned by the cleaning belt 19, and when the door plate 3 is pushed out, the lock seat 17 is driven by the sliding effect of the lower traction block 7 and the connecting block 18, so that the connecting belt 16 can slide, at this time, the ratchet 38 will not limit the rotation of the rotating wheel 15, so that the cleaning belt 19 can be rotated, the clean cleaning belt 19 can be replaced, the automatic cleaning effect can be ensured, the door plate 3 can be prevented from being damaged due to corrosion by dirt, and the protection performance of the door plate 3 can be avoided.

[0041] The inside of the cleaning box 13 is rotatably connected with four cleaning rollers 20, the four cleaning rollers 20 are symmetrically distributed on the two sides of the cleaning belt 19, the surface of the cleaning roller 20 is fixedly connected with a comb tooth 21, the surface of the comb tooth 21 is provided with a spray port 22, the surface of the door frame 1 is fixedly connected with a water tank 23, the water tank 23 is communicated with the cleaning roller 20 through a pipeline, the inside of the cleaning box 13 is symmetrically fixedly connected with an extrusion plate 24, and the cleaning belt 19 is slidably connected between the two extrusion plates 24.

[0042] When the door plate 3 is pushed out of the door frame 1, the lower traction block 7 drives the connection belt 16 to slide through the connection of the connecting block 18 and the lock seat 17, at this time, the ratchet 38 is in contact with the inside of the rotating wheel 15, and the sliding effect of the connection belt 16 drives the rotating wheel 15 to rotate, and the used cleaning belt 19 gradually passes through the cleaning roller 20, and the comb teeth 21 clean the surface of the cleaning belt 19 in the process of the rotation of the cleaning roller 20, and the nozzle 22 sprays the cleaning agent through the centrifugal force generated by the rotation of the cleaning roller 20, thereby automatically cleaning the cleaning belt 19, and then through the extrusion plate 24, the cleaning belt 19 is extruded by the extrusion plate 24, which can remove the excess water in the cleaning belt 19.

[0043] The output end of the double-head motor 5 is fixedly sleeved with a belt disc 25, the surface of the belt disc 25 is engaged with a steel belt 26, the inside of the door frame 1 is symmetrically and rotatably connected with two connecting discs 27, the connecting disc 27 is engaged with the steel belt 26, the bottom of the connecting disc 27 is rotatably connected with a transmission wheel 28, the surface of the transmission wheel 28 is drivingly connected with a transmission gear 29 through a belt, the surface of the transmission gear 29 is engaged with a driven tooth 30, the driven tooth 30 is rotatably connected to the inside of the door frame 1, and the driven tooth 30 is fixedly connected with the cleaning roller 20.

[0044] When the double-head motor 5 works, the rotation of the belt disc 25 can drive the two connecting discs 27 to rotate through the steel belt 26, so that the driven tooth 30 is driven to rotate through the transmission effect between the transmission wheel 28 and the transmission gear 29, that is, the cleaning roller 20 is driven to rotate in the cleaning box 13, thereby achieving the effect of cleaning the cleaning belt 19.

[0045] The inside of the rotating wheel 15 and the driven tooth 30 is rotatably connected with a ratchet 38, and the ratchet 38 is fixedly connected with the inside of the cleaning box 13, wherein when the door plate 3 is pushed out of the door frame 1, the ratchet 38 is in contact with the inside of the driven tooth 30 and the rotating wheel 15, at this time, the rotation effect of the rotating roller 14 and the cleaning roller 20 is no longer limited, if the door plate 3 is retracted into the door frame 1, at this time, the contact effect between the ratchet 38 and the rotating wheel 15 and the driven tooth 30 disappears, at this time, the rotating roller 14 and the cleaning roller 20 do not rotate.

[0046] The specific working principle and use method of the application are explained in detail as follows: in use, first, the door frame 1 is installed at a suitable working position according to the needs, and the embedded door rail 35 is embedded in the wall or the interior of other working buildings, the upper and lower traction wheels 601 are driven to rotate by the double-head motor 5, at this time, the traction cable 603 rotates in the interior of the door frame 1 in cooperation with the positioning wheel 602, since the traction cable 603 is fixedly connected with the traction block 7 on one side, the traction block 7 is driven to slide, thereby driving the door plate 3 to form a stable sliding effect along the guide rail 2, in the sliding process of the door plate 3 along the guide rail 2, the guide wheels 4 on the surface of the door plate 3 also roll along the guide rail 2, on the one hand, the guide wheels 4 can support and assist the sliding of the door plate 3, on the other hand, the rotation of the guide wheels 4 drives the connecting wheel 8 to rotate in the interior of the door plate 3, at this time, the connecting wheel 8 drives the bevel gear 9 to rotate through the belt, thereby driving the reversing gear 10 to rotate, through the meshing effect of the bottom gear 11 and the reversing gear 10, at this time, the cleaning wheel 12 rotates to clean the surface of the guide rail 2, and finally the side of the door plate 3 contacts the embedded door rail 35, and the sealing strip 36 is inserted into the sealing groove 37.

[0047] In the second step, in the working process of the door plate 3 being pushed out of the door frame 1, through the sliding effect of the lower traction block 7, the connecting band 16 is driven to slide by the connecting block 18 driving the lock seat 17, at this time, the ratchet teeth 38 are in contact with the interior of the rotating wheel 15, the sliding effect of the connecting band 16 drives the rotating wheel 15 to rotate, and the used cleaning belt 19 gradually passes through the cleaning roller 20, in the rotating process of the cleaning roller 20, the comb teeth 21 scrape the surface of the cleaning belt 19, and the nozzle 22 sprays the cleaning agent through the centrifugal force generated by the rotation of the cleaning roller 20, thereby automatically cleaning the cleaning belt 19, then through the extrusion of the extrusion plate 24, the extrusion plate 24 extrudes the cleaned cleaning belt 19, thereby achieving the purpose of replacing the clean cleaning belt 19.

[0048] In the third step, when the door plate 3 is retracted into the door frame 1, the contact effect between the ratchet teeth 38 and the rotating wheel 15 and the driven gear 30 disappears, at this time, the rotating roller 14 and the cleaning roller 20 do not rotate, at this time, the cleaning belt 19 in the static state rubs the door plate 3 in the sliding process, thereby wiping the dirt on the surface of the door plate 3, thereby achieving the purpose of automatic cleaning.

[0049] Further, the above-mentioned fixed connection should be understood in a broad sense unless otherwise specified and limited, for example, it can be welding, or gluing, or integrally formed, etc. The skilled in the art is familiar with the conventional means.

[0050] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A heavy-duty radiation shielding door with stable opening and closing, comprising a door frame (1), characterized in that: The door frame (1) is internally connected with guide rails (2) on the upper and lower sides symmetrically, the door frame (1) is internally connected with a door plate (3) in a sliding mode, the door plate (3) is symmetrically connected with a plurality of guide wheels (4) in a rotating mode on the surface, and the guide wheels (4) are connected with the guide rails (2) in a sliding mode; The door frame (1) is internally connected with a double-head motor (5), two traction mechanisms (6) are symmetrically arranged on the upper and lower sides of the door plate (3) internally, the traction mechanism (6) comprises a traction wheel (601), a positioning wheel (602) and a traction cable (603), the traction wheel (601) and the positioning wheel (602) are both connected in a rotating mode in the door plate (3), the traction wheel (601) is fixedly connected with the output end of the double-head motor (5) through a shaft coupling, the door plate (3) is symmetrically connected with traction blocks (7) on the upper and lower sides in a fixed mode, and the traction blocks (7) are fixedly connected with the traction cable (603). The connecting wheel (8) is rotatably connected to the inside of the door plate (3), the inside of the door plate (3) is rotatably connected with a conical wheel (9), the conical wheel (9) and the connecting wheel (8) are connected through a belt transmission, the bottom of the conical wheel (9) is engaged with a direction-changing tooth (10), the surface of the direction-changing tooth (10) is engaged with a bottom tooth (11), the bottom tooth (11) and the direction-changing tooth (10) are rotatably connected to the inside of the door plate (3), the top of the bottom tooth (11) is fixedly connected with a cleaning wheel (12), the cleaning wheel (12) is slidably connected with the guide rail (2), the rotation of the guide wheel (4) drives the connecting wheel (8) to rotate in the inside of the door plate (3); the door frame (1) is communicated with a cleaning box (13) on both sides, the inside of the cleaning box (13) is rotatably connected with two rotating rollers (14), the bottom of the rotating roller (14) is fixedly connected with a rotating wheel (15), the two rotating wheels (15) are transmissionally connected with a connecting belt (16), the surface of the connecting belt (16) near the door plate (3) side is fixedly connected with a lock seat (17), the two lock seats (17) are fixedly connected with a connecting block (18), the connecting block (18) is fixedly connected with the surface of the lower traction block (7), the inside of the cleaning box (13) is slidably connected with a cleaning belt (19), the cleaning belt (19) is provided through the cleaning box (13), and the surface of the cleaning belt (19) is slidably connected with the door plate (3), the two rotating rollers (14) are rotatably connected with the cleaning belt (19); the inside of the cleaning box (13) is rotatably connected with four cleaning rollers (20), the four cleaning rollers (20) are symmetrically distributed on both sides of the cleaning belt (19), the surface of the cleaning roller (20) is fixedly connected with a comb tooth (21), the surface of the comb tooth (21) is provided with a spray port (22), the surface of the door frame (1) is fixedly connected with a water tank (23), the water tank (23) is communicated with the cleaning roller (20) through a pipeline, the inside of the cleaning box (13) is fixedly connected with a pressing plate (24) in a symmetrical manner, and the cleaning belt (19) is slidably connected between the two pressing plates (24); the output end of the double-head motor (5) is fixedly sleeved with a belt disc (25) on one side, the surface of the belt disc (25) is engaged with a steel belt (26), the inside of the door frame (1) is symmetrically rotatably connected with two connecting discs (27), the connecting disc (27) is engaged with the steel belt (26), the bottom of the connecting disc (27) is rotatably connected with a transmission wheel (28), the surface of the transmission wheel (28) is transmissionally connected with a transmission gear (29) through a belt transmission, the surface of the transmission gear (29) is engaged with a driven tooth (30), the driven tooth (30) is rotatably connected to the inside of the door frame (1), and the driven tooth (30) is fixedly connected with the cleaning roller (20).

2. The heavy radiation shielding door according to claim 1, wherein: The surface of the traction block (7) is fixedly connected with a balance block (31), and the balance block (31) is slidably connected with the surface of the traction steel cable (603).

3. The heavy radiation shielding door according to claim 1, wherein: The surface of the door plate (3) is provided with a receiving groove (32), the inside of the receiving groove (32) is fixedly connected with a contraction spring (33), the other end of the contraction spring (33) is fixedly connected with a scraper (34), the scraper (34) is slidably connected with the door plate (3) through the receiving groove (32), and the scraper (34) is slidably connected with the surface of the guide rail (2).

4. The heavy radiation shielding door according to claim 1, wherein: The surface of the door frame (1) is fixedly connected with a pre-buried door rail (35), the surface of the pre-buried door rail (35) is fixedly connected with a sealing strip (36), the surface of the side, close to the pre-buried door rail (35), of the door plate (3) is provided with a sealing groove (37), and the sealing strip (36) is inserted into the sealing groove (37).

5. The heavy radiation shielding door according to claim 1, wherein: The inside of the rotating wheel (15) and the driven tooth (30) is rotatably connected with a ratchet (38), and the ratchet (38) is fixedly connected with the inside of the cleaning box (13).

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