47 results about "Radiation protection door" patented technology

A particle therapy system that includes at least one irradiation chamber, in which an object is irradiated with a treatment beam, an antechamber, which is screened off from radiation occurring in the irradiation chamber and from which access is made to the irradiation chamber, and an access area, which leads to the irradiation chamber and connects the irradiation chamber to the antechamber, is provided. A support for a patient moves along a path of travel from the antechamber, through the access area, to the irradiation chamber. A radiation protection door is arranged in the access area, and the access area is configured geometrically in such a way that the path of travel in the access area is substantially rectilinear.

The invention relates to a rotating type multi-sample automatic sampling system in the technical field of analysis and testing, which comprises a sample stand, a stepper motor, a rotary sample disc, a photoelectric sensing switch, a control box, sample loading holes, a rotary sample disc central hole, a photoelectric sensing opening and a supporting frame, wherein the sample stand is provided with the supporting frame; the stepper motor and the photoelectric sensing switch are fixed on the supporting frame and connected with the control box respectively; the photoelectric sensing switch is arranged below the rotary sample disc which is arranged on a bearing of the stepper motor; the radius of an equal distance to the central hole on the rotary sample disc is arrayed with a plurality of the sample loading holes; the edge of the rotary sample disc is provided with the photoelectric sensing opening; and the rotary sample disc is also provided with a central hole, and a stepper motor shaft passes through the central hole. The sampling system can load a plurality of samples once, and avoid repeatedly opening and closing an instrument radiation protection door. At the same time of improving the working efficiency, the sampling system also increases the safety of staff.

The invention discloses a chest radiography anti-radiation X-ray camera system suitable for the indoor radiology department. The chest radiography anti-radiation X-ray camera system comprises a machine room, wherein a front isolation board and a rear isolation board are arranged in the machine room side by side, a front window is formed in the front isolation board, a rear window is formed in the rear isolation board, an emission area is formed in rear of the rear window, a physical examination area is formed between the front isolation board and the rear isolation board, an anti-radiation door of the physical examination area is arranged in the physical examination area, a DR flat-panel box is arranged in the physical examination area, a lifting box is arranged on the bottom of the DR flat-panel box, an X-ray area with the trapezoidal section is formed between the front isolation board and the top wall of the machine room, an X-ray bulb tube is arranged in the X-ray area, the X-ray bulb tube fixed to the rear wall of the machine room through a cushion plate, a light beam limiter is arranged at the emission end of the X-ray bulb tube, and the cross central lines of the light beam limiter, the front window, the DR flat-panel box and the rear window are overlapped. For the system provided by the invention, X-ray shooting is carried out on the position of an examined area by lifting an examined person, and the trapezoid-type lead plate protection of the X-ray area can effectively limit the emission direction of complement lines on the periphery of a main shooting beam of the X-rays; the X-rays penetrating through the rear window emit towards the tail and the bottom of the compartment after entering the emission area, and thus the integral protection quality is promoted.

The invention relates to a seamless leakproof radiation protection door comprising a radiation protection door body; a track is arranged under the radiation protection door body; a translation lifting assembly is matched in the track; the front end and rear end of track are provided with wedges; the bottom of the translation lifting assembly is provided with connecting ports matched with the wedges; the connecting port is provided with a connecting rod; the top of the translation lifting assembly is provided with a stop piece. The bottom of the seamless leakproof radiation protection door is leakproof; the seamless leakproof radiation protection door is easy to enter, and reasonable in structure design.

The invention relates to a door, and discloses a radiation protection door for a hospital. The radiation protection door for the hospital comprises a door body, wherein the door body is fixedly connected with a rotating shaft; the rotating shaft is fixedly connected with a gear; the gear is meshed with a rack; one side of the rack is connected with a cylinder; a hollow upper door frame is arranged above the door body; a hollow lower door frame is arranged below the door body; an elastic piece is arranged between the inside of the lower door frame and the door body; one end, which is far away from the lower door frame, of the elastic piece is connected with a buffering block; and the buffering block is abutted to the door body. The problem that a radiation protection door in the prior art is over high in opening degree is solved. The radiation protection door for the hospital is moderate in opening degree.

The invention provides a radiation protection door manufacturing method and system. The method comprises the steps of (1), measuring the size of a pre-installed door body, preparing a substrate with the same size, uniformly placing nuclear radiation sensors on the substrate, and testing the nuclear radiation intensity of a pre-installation position of the door body; (2) calculating the lead wall thickness required by the corresponding position of each nuclear radiation sensor according to the nuclear radiation intensity information measured by the nuclear radiation sensors, and taking the leadwall thickness as thickness unit information; (3) completing virtual modeling of an added plate according to the thickness unit information, and constructing a mold corresponding to the added plate according to the virtual modeling of the added plate; and (4) manufacturing the added plate by using the mold, and combining the added plate with the substrate to form a radiation protection door. According to the radiation protection door manufacturing method and the system, the thickness specification of the protection door can be adjusted according to the actual density degree of radioactive rays in the environment, and accurate protection is achieved.

The invention concerns a radiation protection curtain including at least two layers arranged parallel to each other, for use with a means of transporting objects to be scanned on a production line in a direction through the radiation protection curtain. At least one first layer is configured as a radiation protection layer. This at least one first radiation protection layer is preceded in the transport direction outwards by at least one additional separate stand-alone layer. This at least one additional layer is configured as a mechanical protection layer for the purpose of protecting the radiation protection layer behind it from mechanical effects, and the at least one additional mechanical protection layer includes at least one segment that is located on an already-installed radiation protection layer at predefined positions in such a way that it can be replaced individually.

The invention discloses a civil air defense door capable of being quickly converted into a radiation protection door, and belongs to the technical field of civil air defense. The civil air defense door capable of being quickly converted into the radiation protection door includes a frame, a sliding door, a revolving door, a hoist, a moving lead plate and racks. The sliding door is installed on guide rails on a door frame through rolling wheels. The racks are arranged on both sides of a first lead plate moving groove, and electric gears are arranged on both sides of the moving lead plate. The moving lead plate can be controlled to move up and down on the racks through the meshing of the electric gears and the racks. The revolving door is installed on the sliding door through bolts and boltholes, and can be rotated to be opened or closed on the sliding door. The hoist is installed on the door frame for retracting and releasing the moving lead plate. When the civil air defense door needsto be in a radiation protection state, the moving lead plate moves down from the hoist into the revolving door; and when no radiation protection work is required, the moving lead plate moves up to the hoist and then is wound up together by the hoist.

The invention discloses an anti-radiation concrete shielding door and a construction technology thereof, and belongs to the field of anti-radiation doors. The anti-radiation concrete shielding door comprises a concrete pile, wherein a concrete wall body is fixedly mounted at the top end of the concrete pile, a center channel is formed in the middle of the concrete wall body, a sealing flange is arranged on one side of the center channel, the concrete wall body on the outer side of the sealing flange is provided with an annular concave cavity, the side wall of the concrete wall body is provided with eight filling ports, 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, 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. According to the anti-radiation concrete shielding door, the clamping door and the butt joint door are movably connected together in a butt joint mode through the clamping guide rod, the sealing performance in the shielding door is improved, and the situation that a human body is injured by radiation substances with high radioactivity is avoided.

The invention relates to a radiation protection door with a fireproof function and a manufacturing technology of the radiation protection door. The radiation protection door comprises a protection door leaf which comprises a framework and a protection lead plate, wherein the framework is stuck and wrapped with the protection lead plate. The outer surfaces of a front face plate and a rear face plate of the protection lead plate are each provided with a veneer which is composited through a hot-pressing technology, and a space formed by the framework inside the protection lead plate is filled with a fireproof material. According to the radiation protection door, the structural design is reasonable, leakproofness of protection and fireproof functions is ensured, mounting is easy and convenient, the construction period is greatly shortened, meanwhile, the invest cost is also saved, and the safety property is improved.

The invention belongs to the technical field of medical doors and particularly relates to a novel plate-inserting type anti-radiation door and a manufacturing method thereof. The novel plate-insertingtype anti-radiation door comprises a door frame; dividing keels are disposed in the door frame at intervals; the dividing keels uniformly divide the door frame into a plurality of areas; honeycomb plates fill in the positions between the adjacent dividing keels and between the dividing keels and the door frame; inserting protrusions are disposed on one sides of the dividing keels; steel plates are disposed on the sides, far away from the inserting protrusions, of the dividing keels and on the sides, far away from the dividing keels, of the inserting protrusions; lead plates are arranged between the adjacent inserting protrusions and between the inserting protrusions and the door frame; the lead plates are connected between the adjacent inserting protrusions and between the inserting protrusions and the door frame in an inserting mode; auxiliary lead plates are disposed on the sides, far away from the inserting protrusions, of the dividing keels; and grooves for placement of the auxiliary lead plates are formed in the dividing keels. By means of the novel plate-inserting type anti-radiation door and the manufacturing method thereof, the weight of a single product during machining and transportation is lowered, machining and transportation are convenient, and the guarantee is provided for yield increasing and efficiency improving of enterprises.

The invention discloses a novel chain lifting driving radiation protection door, and relates to the technical field of radiation protection doors. The novel chain lifting driving radiation protection door comprises a shell, the inner side of the shell is provided with a radiation protection door, the left side of the shell is fixedly connected with a case, the inner wall of the upper part of the shell is fixedly provided with a top plate, a first rotating shaft is rotatably mounted on the upper surface of one side of the top plate, a second rotating shaft is rotatably mounted on the upper surface of the other side of the top plate, first chain wheels fixedly sleeve the outer wall of the first rotating shaft and the outer wall of the second rotating shaft, and first chains sleeve the outer walls of the first chain wheels. According to the novel chain lifting driving radiation protection door, compared with a traditional push-pull protection door, a rail groove is formed in the bottom of the traditional push-pull type protective door, obstacles or inconvenience is easily formed for pedestrians and vehicles entering and exiting through the groove, however, the radiation protective door is designed in a lifting mode, formation of the rail groove is avoided, and the pedestrians or objects can pass through the rail groove more conveniently.

The invention discloses an r knife radiation protection door. The r knife radiation protection door comprises a door body (1), a lower rail (2) and an upper rail (3), wherein a door wheel box assembly (4) which is positioned on the lower rail (2) is arranged at the lower end of the door body (1); an offset resistance wheel (5) which is embedded in the upper rail (3) is arranged at the top end of the door body (1); and the upper rail (3) is fixedly arranged on a wall. By adoption of stainless steel panels, wood boards and lead plates, and forming a closed cavity between the lead plates, the door body is assembled, radiation protection fillers of wax and borax are arranged in the closed cavity, so that gamma ray radiation caused by an r knife can be effectively prevented; and the upper rail and the lower rail ensure that the door body can move freely. The r knife radiation protection door has the characteristics of simple structure and easy opening and closing, and is suitable for popularization.

The invention discloses a preparation method of a light anti-radiation interlayer of an explosion door and used slurry liquid, and the slurry liquid for manufacturing the light anti-radiation interlayer of the explosion door is prepared by mixing modified inorganic expansion material powder, a lead compound, a solvent A, dicalcium phosphate and hydroxy propyl distarch phosphate, the mass ratio of the modified inorganic expansion material powder to the lead compound to the solvent A is (10-20): 1: (5-10); the mass ratio of the lead compound to the dicalcium phosphate to the hydroxy propyl distarch phosphate is (40-80): (20-40): 1. The density of the light anti-radiation interlayer prepared from the slurry liquid is far smaller than that of a lead plate interlayer used by a traditional anti-radiation door, and the light anti-radiation interlayer has excellent anti-radiation capacity, meets the strength requirement and can effectively resist shock wave pressure generated by explosion.

The invention discloses a high-stability medical anti-radiation door with an air exchange function. The high-stability medical anti-radiation door with the air exchange function comprises a wall body.An anti-radiation door cavity with a rightward opening is formed in the left side of the wall body, and a channel is formed in the right end of the anti-radiation door cavity in a communicating modeand allows pedestrians to pass through. A rolling wheel cavity is formed in the lower side of the anti-radiation door cavity in a communicating mode, and an anti-radiation door which can be opened andclosed leftwards and rightwards is arranged inside the anti-radiation door cavity. According to the high-stability medical anti-radiation door with the air exchange function, the function that rolling wheels on the lower side of the anti-radiation door jump up and down is utilized, and therefore the phenomenon that due to the obstruction of stones, the opening and closing work of the anti-radiation door is affected can be effectively reduced, and smooth opening and closing operation of the anti-radiation door can be achieved; due to the fact that an observation window is added inside the anti-radiation door, a doctor can observe the state of a patient in real time advantageously, and an accident is prevented from happening; and the indoor air exchange work can be accomplished through an air exchange device and a stone collection device inside the anti-radiation door, and therefore the radiation damage to personnel is reduced.

The invention discloses a method capable of quickly switching between a radiation prevention door and a civil defense door and belongs to the technical field of civil defense. Equipment applied to themethod capable of quickly switching between the radiation prevention door and the civil defense door comprises a frame, a push-and-pull door, a rotating door, a winch, a movable lead plate and a rack, wherein the push-and-pull door is mounted on the frame; the rotating door is mounted on the push-and-pull door; the winch is mounted at the upper end of the frame; the rack is divided into a plurality of splicing parts which are respectively located in grooves in the winch, the frame, the push-and-pull door and the rotating door; the movable lead plate is mounted on the rack and is capable of moving up and down on the rack; a system structurally comprises an input module and a CPU control center; the input module is connected with an infrared detector I, an infrared detector II, a contact switch and a pressure sensor and is used for receiving signal input of a connecting part; and the CPU control center is connected with an electromagnetic clamping block I, an electromagnetic clamping block II, an electric gear, an alarm and a winch and is used for controlling actions of an actuating mechanism.

The invention discloses a radiation protection door safe and convenient to use for a radiology department. The radiation protection door safe and convenient to use for the radiology department comprises an upper mounting seat and a lower mounting seat. The upper mounting seat and the lower mounting seat are symmetrically arranged up and down. The upper mounting seat is fixed on a wall. The lower mounting seat is fixed on the ground. Two sets of radiation protection door bodies are movably connected between the upper mounting seat and the lower mounting seat. The two sets of radiation protection door bodies are symmetrically arranged left and right. The upper mounting seat is connected to the top portions of the radiation protection door bodies through a first sliding mechanism. According to the radiation protection door safe and convenient to use for the radiology department, the radiation protection door bodies and the upper mounting seat are assembled through sliding connection between a first sliding rail and a first sliding groove, the radiation protection door bodies and the lower mounting seat are assemble through sliding connection between the first sliding rail and the first sliding groove, the stability is good, the radiation protection door bodies can be opened and closed conveniently, and rationality of the design is ensured.

The invention relates to the technical field of radiation protection in the radiology department, in particular to an intelligent radiation protection device for the radiology department, which comprises two radiation protection doors and a supporting frame, the top of the supporting frame is provided with two driving belt wheels, the two driving belt wheels are in transmission connection through a transmission belt, one driving belt wheel is connected with a driving motor, and the other driving belt wheel is connected with a driving motor. A first driving frame and a second driving frame are fixed to the top and the bottom of the transmission belt respectively, the first driving frame and the second driving frame are connected with the two anti-radiation doors respectively, the two anti-radiation doors do reverse reciprocating linear motion along the transmission belt, a CPU is fixed to the supporting frame, and the CPU is electrically connected with the driving motor. The intelligent anti-radiation device for the radiology department is convenient to control opening or closing of the door leaf, high in intelligent degree, convenient to transmit information to a patient, capable of avoiding radiation leakage, convenient to collect basic information of the patient and convenient to monitor the temperature and humidity of the radiology department, and is used for overcoming the defects in the prior art.

The invention discloses radiation protection door shielding performance detection equipment, and relates to the field of radiation detection equipment. The radiation protection door shielding performance detection equipment comprises a support frame provided with a radiation detector at one end, wherein a storage battery is mounted in the radiation detector, the radiation detector is connected with a detection device through a data line, a threaded pipe is arranged at the other end of the support frame, a threaded rod is arranged in the threaded pipe, and a radioactivity generation device is mounted on the threaded rod. The radiation protection door shielding performance detection equipment can perform systematic and accurate detection on each position of the radiation protection door, isflexible and convenient to operate, and is comprehensive in detection.

The invention relates to an X-ray irradiation protection box with an anti-radiating ventilating device. A main body comprises a box body, a radiation protection door arranged on the primary side of the box body and an X-ray entrance port arranged on a box body top plate. A irradiation treatment cavity ventilating system is additionally arranged on the box body and comprises an air inlet mechanism and an air outlet mechanism, wherein the air inlet mechanism is formed by an air inlet and an anti-radiating multiple retracing type air inlet channel; and the air outlet mechanism is formed by an air outlet, a transition connection pipe, a small electric exhaust fan and an anti-radiating multiple retracing type air outlet channel. The main body section of the multiple retracing type air inlet channel / multiple retracing type air inlet channel is in a flat rectangle shape, and the multiple retracing type air inlet channel / multiple retracing type air inlet channel is made of a lead-containing material. When the X-ray irradiation protection box works, the electric exhaust fan sucks air outwards, the air inlet mechanism supplements fresh air into a room, air in an irradiation treatment cavity is renewed continuously, so that quality of the air in the irradiation treatment cavity is improved, irradiated biological samples are subjected to less irritation, and accuracy of test data and personal safety of operators are guaranteed.

The invention discloses an anti-radiation multifunctional composite door, and relates to the technical field of anti-radiation doors. The anti-radiation multifunctional composite door comprises a doorbody, radiation monitoring systems, video call systems, an outer cabin and an air circulation system, wherein the door body comprises an outer door plate, an inner door plate, an anti-radiation innercore and power supplies, the outer anti-radiation inner core is fixedly connected between the outer door plate and the inner door plate, and the outer door plate and the inner door plate are both fixedly connected with the power supplies, the radiation monitoring systems and the video call systems, each radiation monitoring system comprises a radiation measuring instrument and an electronic screen, the outer cabin comprises an outer cabin door, and the air circulation system is installed at the top of the outer cabin and communicates with air inside the outer cabin, so that the problems thatan existing anti-radiation door can only achieve a simple ant-radiation effect, cannot monitor radiation values of the environment and cannot prevent radiation leakage effectively when a door is opened and closed, a common anti-radiation door is thicker, and people inside and outside the door are difficult to communicate in case of an accident are solved.