Transfer platform for nuclear accident rescue

Abstract

The invention provides a transfer platform for nuclear accident rescue, which belongs to the technical field of rescue equipment and comprises a movable support platform and a plurality of support units erected on the movable support platform in an array manner. Each supporting unit comprises a lifting assembly arranged at the top of the movable supporting platform; the bottom plate is driven by a lifting assembly to lift; the four telescopic rod assemblies are arranged at the four corners of the top of the bottom plate; one end of each telescopic rod assembly is matched with the corresponding bottom plate ball joint; the bottoms of the unit protection plates are matched with the ball joints at the other ends of the four sets of telescopic rod assemblies correspondingly; when the four sets of telescopic rod assemblies are in different extension states, the unit protection plates are in different inclined states, and when the symmetrical supporting units on the two sides are relatively inclined, and the inclination angles of the same row are the same, a body protection limiting area with the concave middle is formed. The platform provides a supporting unit to form various postures so that the wounded can be actively placed and the trunk can be passively limited, full-automatic transfer is achieved, and meanwhile the wounded can be prevented from being separated from the transfer platform during obstacle crossing.

Description

Technical Field

[0001] The invention relates to the technical field of nuclear accident rescue equipment, and in particular to a transfer platform for nuclear accident rescue. Background Art

[0002] Nuclear accidents are classified according to nuclear facilities and nuclear activities, including nuclear reactor accidents, nuclear fuel cycle facility accidents, radioactive waste management facility accidents, nuclear fuel or radioactive waste transportation and storage accidents, accidents involving the production, use, storage, processing and transportation of radioactive isotopes for agricultural, industrial, medical and related scientific research purposes, accidents involving the use of radioactive isotopes as a power source for space objects, and weapons depot accidents, mainly weapons, nuclear power plants, etc. Nuclear accident rescue refers to the emergency response measures taken when an accident occurs in a nuclear energy facility or a place where nuclear materials are used, in order to control the development of the accident, reduce the release of radioactive substances, and protect the public safety and the environment from radiation pollution.

[0003] When conducting nuclear accident rescue, it is usually necessary to transfer the wounded. The conventional way to transfer the wounded in nuclear accidents is for rescuers to use a stretcher structure to transfer them manually. Electric stretcher structures have gradually appeared in the prior art. However, even for electric stretchers, manual operation is still required for the placement and fixation of the wounded. The stretcher surface of the electric stretcher structure that is not manually placed and moves autonomously has a certain height, so there is a problem of self-placement of the wounded, and the shaking caused by obstacles makes it easy for the wounded to fall off the platform. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a transfer platform for nuclear accident rescue. The transfer platform enters the nuclear accident site through remote control, and provides a support unit to form a variety of postures to facilitate the active placement of the wounded and the passive limitation of the torso, so as to achieve fully automatic transfer and avoid detachment from the transfer platform when passing obstacles.

[0005] The present invention provides the following technical solutions.

[0006] A transfer platform for nuclear accident rescue, comprising a mobile support platform and a plurality of support units arrayed on the mobile support platform; each of the support units comprises:

[0007] A lifting assembly is arranged on the top of the mobile support platform;

[0008] A bottom plate, arranged on the lifting assembly, and driven to rise and fall by the lifting assembly;

[0009] Four sets of telescopic rod assemblies are arranged at the four corners of the top of the bottom plate; one end of each telescopic rod assembly is respectively matched with the ball joint of the bottom plate;

[0010] The unit guard plate has its bottom which cooperates with the ball joints at the other ends of the four groups of telescopic rod assemblies respectively; when the four groups of telescopic rod assemblies are in different extension states, the unit guard plate is in different tilted states, when the support unit on one side is driven to be lowered by the lifting assembly to form a climbing area, the middle part is lowered to form a recessed area, and the support unit on the other side is raised to form a protection area for the wounded to actively climb; when the support units symmetrical on both sides are relatively tilted, and the tilt angles of the support units in the same row are the same, a body protection limiting area with a recessed middle is formed.

[0011] Preferably, the mobile support platform comprises:

[0012] Support plate; the lifting assembly is arranged on the top of the support plate;

[0013] Shelf plates, symmetrically arranged in pairs at the bottom of the support plate;

[0014] Two differential bevel gears are respectively rotatably mounted on a set of two symmetrical frame plates through a first rotating shaft;

[0015] The transmission bevel gear is rotatably mounted between the other two symmetrical frame plates through the second rotating shaft and is respectively meshed with the two differential bevel gears;

[0016] Two height adjustment components are respectively rotatably matched with the ends of the two first rotating shafts at opposite ends; the height adjustment components move relative to the first rotating shafts in a direction perpendicular to the support plate;

[0017] Two sets of walking wheel structures are symmetrically arranged on the two height adjustment components.

[0018] Preferably, the lifting assembly comprises:

[0019] A driving motor is fixedly arranged on the top of the supporting plate;

[0020] A screw, one end of which is drivingly connected to the output shaft of the driving motor, and the other end of which passes through the bottom plate and is threadedly engaged with the bottom plate;

[0021] an end plate, rotatably connected to the other end of the screw;

[0022] A guide rod has one end fixedly connected to the end plate, and the other end passes through the bottom plate and is slidably matched with the bottom plate.

[0023] Preferably, the telescopic rod assembly is a cylinder; the telescopic end of the cylinder cooperates with the unit guard plate joint through a first ball joint, and the other end of the cylinder cooperates with the base plate joint through a second ball joint.

[0024] Preferably, the height adjustment assembly comprises:

[0025] A moving block, rotatably connected to an end of the first rotating shaft;

[0026] Sliding groove; the moving block slides in the groove of the sliding groove;

[0027] A lead screw passes through the moving block and is threadedly matched with the moving block; two ends of the lead screw are rotatably connected to two ends of the sliding groove body respectively;

[0028] The driving motor is fixedly arranged at one end of the sliding slot; the output shaft of the driving motor is drivingly connected to one end of the lead screw.

[0029] Preferably, the walking wheel structure includes two walking wheels, two walking wheel brackets and two walking wheel motors; one end of the two walking wheel brackets are respectively connected to the two ends of the sliding groove; the two walking wheels are respectively rotatably connected to one side of the other end of the two walking wheel brackets; the two walking wheel motors are fixedly arranged on the other side of the other end of the walking wheel bracket, and their output shafts are transmission-connected to the walking wheels.

[0030] Preferably, two anti-collision structures are further included, which are respectively arranged at the two ends of the support plate; the anti-collision structure includes a baffle rod and two support columns; the bottoms of the two ends of the baffle rod are respectively connected to the top of the support plate through the support columns.

[0031] Preferably, a flexible radiation-proof cloth is arranged between the two outer rows of unit guard plates; two ends of the radiation-proof cloth are fixedly connected to the two blocking rods, and one side thereof is fixedly connected to one row of unit guard plates.

[0032] Preferably, a sponge is provided on the top of the unit guard plate.

[0033] Beneficial effects of the present invention:

[0034] The present invention proposes a transfer platform for nuclear accident rescue, which is provided with a lifting assembly and four sets of telescopic rod assemblies in cooperation with ball joints to adjust the various postures of the unit guard plate. When the four sets of telescopic rod assemblies are in different elongation states, the unit guard plate is in different tilt states. When one side is tilted uniformly and a depression is formed in the middle, it is convenient for the active placement of the wounded. When the support units symmetrical on both sides are relatively tilted and the tilt angles of the support units in the same row are the same, a body protection limit zone with a depression in the middle is formed. Therefore, the combination with the mobile support platform can realize the autonomous transfer of the wounded, and even if there is shaking when passing obstacles, the wounded will not fall from the platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is an overall assembly structure diagram of a transfer platform for nuclear accident rescue according to an embodiment of the present invention;

[0036] Figure 2It is a schematic diagram of the partial structure of the support unit of the transfer platform for nuclear accident rescue according to an embodiment of the present invention;

[0037] Figure 3 This is a bottom-view overall assembly structure diagram of a transfer platform for nuclear accident rescue according to an embodiment of the present invention;

[0038] Figure 4 is a schematic structural diagram of a support unit of a transfer platform for nuclear accident rescue according to an embodiment of the present invention in a wrapped state;

[0039] Figure 5 It is a partial structure diagram A of a transfer platform for nuclear accident rescue according to an embodiment of the present invention.

[0040] Among them, 1. walking wheel; 2. support plate; 3. support column; 4. cylinder; 5. first ball joint; 6. unit guard plate; 7. stop rod; 8. screw; 9. walking wheel motor; 10. second ball joint; 11. walking wheel bracket; 12. sliding groove; 13. first rotating shaft; 14; frame plate; 15. differential bevel gear; 16. transmission bevel gear; 17. second rotating shaft; 18. moving block; 19. lead screw; 20. bottom plate; 21. driving motor; 22. guide rod; 23. end plate. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0042] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0044] Example

[0045] When conducting nuclear accident rescue, it is usually necessary to transfer the wounded. Conventional nuclear accident wounded transfer methods are for rescue workers to manually transfer them using a stretcher structure, and electric stretcher structures have gradually emerged in the prior art. However, even with electric stretchers, the placement and fixation of the wounded still requires manual operation, and rescue workers always need to enter and exit the nuclear accident site, which can easily cause additional nuclear contamination to the rescue workers, and the shaking caused by obstacles can easily cause the wounded to fall off the platform. To this end, this embodiment proposes a transfer platform for nuclear accident rescue, and the specific structure is as follows: Figure 1 As shown, Figure 1 It is a schematic diagram of the overall structure, including a mobile support platform and a plurality of support units arrayed on the mobile support platform; each support unit includes a lifting assembly, a base plate 20, a unit guard plate 6 and four groups of telescopic rod assemblies. The lifting assembly is arranged on the top of the mobile support platform; the base plate 20 is arranged on the lifting assembly, and is driven to lift and lower by the lifting assembly; four groups of telescopic rod assemblies are arranged at the four corners of the top of the base plate 20; one end of the telescopic rod assembly is respectively matched with the ball joint of the base plate 20; the bottom of the unit guard plate 6 is respectively matched with the ball joint of the other end of the four groups of telescopic rod assemblies; when the four groups of telescopic rod assemblies are in different elongation states, the unit guard plate 6 is in different inclination states, when the support unit on one side is lowered to form a climbing area, the middle part is lowered to form a recessed area, and the support unit on the other side is raised to form a protection area for the wounded to actively climb; when the symmetrical support units on both sides are relatively inclined, and the inclination angles of the support units in the same column are the same, a middle recessed body protection limit area is formed. As shown Figure 2As shown, each support unit has four groups of telescopic rods to provide adjustment of the angle and posture of the unit guard plate 6. Since the two ends of the telescopic rods are respectively matched with ball joints, when the lengths of the four groups of telescopic rods differ, the inclination angle of the unit guard plate 6 will change. Since the four groups of telescopic rods provide four support points for the unit guard plate 6, when the four groups of telescopic rods do not change in length, the unit guard plate 6 maintains the current state. When the entire device is in operation, it is necessary to consider the states of multiple adjacent support unit guard plates 6, especially the transition and coordination between adjacent plate edges of the unit guard plates 6, to avoid height differences between adjacent unit guard plates 6, resulting in unevenness of the support surface of the transfer platform. Multiple unit guard plates 6 combined with their corresponding lifting components can form a complete support plane, or a limiting plane with a certain curvature, and the whole has the functions of support and limitation.

[0046] like Figure 3 As shown, Figure 3 It is a structural diagram from the bottom perspective. The mobile support platform includes a support plate 2, a frame plate 14, a transmission bevel gear 16, two height adjustment components, two differential bevel gears 15 and two sets of running wheel structures. The lifting component is arranged on the top of the support plate 2; the frame plates 14 are symmetrically arranged at the bottom of the support plate 2; the two differential bevel gears 15 are respectively mounted on a group of two symmetrical frame plates 14 through the first rotating shaft 13; the transmission bevel gear 16 is mounted between another group of two symmetrical frame plates 14 through the second rotating shaft 17, and is respectively engaged with the two differential bevel gears 15; the two height adjustment components are respectively rotated and matched with the ends of the opposite ends of the two first rotating shafts 13; the height adjustment component moves relative to the first rotating shaft 13 in a direction perpendicular to the support plate 2; and the two sets of running wheel structures are respectively symmetrically arranged on the two height adjustment components. Furthermore, the walking wheel structure includes two walking wheels 1, two walking wheel brackets 11 and two walking wheel motors 9; one end of the two walking wheel brackets 11 is respectively connected to the two ends of the sliding groove 12; the two walking wheels 1 are respectively rotatably connected to one side of the other end of the two walking wheel brackets 11; the two walking wheel motors 9 are fixedly arranged on the other side of the other end of the walking wheel bracket 11, and their output shafts are transmission-connected with the walking wheels 1. Due to the existence of the differential structure, each set of walking wheel structures does not affect each other, that is, when one set of walking wheel structures produces a relative deflection angle around the axis relative to the other set of walking wheel structures, the mutual influence is reduced by the bevel gear differential. Therefore, each set of walking wheel structures does not affect the other set of walking wheel structures when overcoming obstacles, and when one end is lifted, the other end falls, and there are always three walking wheels 1 in contact with the ground, so they remain stable when overcoming obstacles.

[0047] Further, such as Figure 2As shown, the lifting assembly provides the height of the unit guard plate 6, further effectively improving the curvature range of the entire support surface, and the lifting assembly includes a drive motor 21, a screw rod 8, an end plate 23 and a guide rod 22. The drive motor 21 is fixedly arranged on the top of the support plate 2; one end of the screw rod 8 is drivingly connected to the output shaft of the drive motor 21, and the other end passes through the bottom plate 20 and is threadedly matched with the bottom plate 20; the end plate 23 is rotationally connected to the other end of the screw rod 8; one end of the guide rod 22 is fixedly connected to the end plate 23, and the other end passes through the bottom plate 20 and is slidingly matched with the bottom plate 20. Among them, the drive motor 21 drives the screw rod 8 to rotate. Due to the limit of the guide rod 22, the bottom plate 20 is restricted and cannot follow the rotation. Because of the threaded matching relationship between the bottom plate 20 and the screw rod 8, the bottom plate 20 moves along the length direction of the screw rod 8, thereby adjusting the height of the unit guard plate 6.

[0048] Preferably, the telescopic rod assembly is a cylinder 4; the telescopic end of the cylinder 4 is articulated with the unit guard plate 6 through a first ball joint 5, and the other end of the cylinder 4 is articulated with the base plate 20 through a second ball joint 10.

[0049] The height adjustment assembly includes a moving block 18, a sliding groove 12, a lead screw 19 and a drive motor. The moving block 18 is rotatably connected to the end of the first rotating shaft 13; the moving block 18 slides in the groove of the sliding groove 12; the lead screw 19 passes through the moving block 18 and is threadedly matched with the moving block 18; the two ends of the lead screw 19 are respectively rotatably connected to the two ends of the groove body of the sliding groove 12; the drive motor is fixedly arranged at one end of the sliding groove 12; the output shaft of the drive motor is transmission-connected to one end of the lead screw 19. The above-mentioned height adjustment assembly adjusts the height of each walking wheel bracket, that is, it can change the height of the overall support surface to facilitate the transfer of the injured. At the same time, when the distance between the support plate 2 and the ground is increased, the size of the obstacle allowed to pass is also effectively increased.

[0050] In order to improve stability and protection, two anti-collision structures are also included, which are respectively arranged at the two ends of the support plate 2; the anti-collision structure includes a baffle 7 and two support columns 3; the bottoms of the two ends of the baffle 7 are respectively connected to the top of the support plate 2 through the support columns 3. Sponge is arranged on the top of the unit guard plate 6. A flexible radiation-proof cloth is arranged between the two rows of unit guard plates 6 on the outside; the two ends of the radiation-proof cloth are fixedly connected to the two baffles 7, and one side is fixedly connected to a row of unit guard plates 6.

[0051] In this embodiment, the remote drive transfer platform performs the following operations:

[0052] First, the mobile support platform is remotely controlled to move to the injured person. At this time, due to the existence of the differential structure, each set of running wheel structures does not affect the other set of running wheel structures when overcoming obstacles, and when one end is lifted, the other end falls. There are always three running wheels 1 in contact with the ground, and it remains stable when overcoming obstacles. The transfer platform has a certain stable obstacle-overcoming ability.

[0053] Secondly, when arriving at the injured person, the injured person needs to transfer to the support unit of the platform on his own. First adjust the height adjustment components on both sides to lower the entire plane. The angle, height and posture of multiple unit guard plates 6 are adjusted by the lifting component in conjunction with the four telescopic rod components. Specifically, one side of the platform is lowered and the middle part is concave, which is convenient for the injured person to climb into the support plane. Furthermore, when a flexible radiation-proof cloth is provided, since the middle part is concave and the opening on one side is opened, the injured person can enter the flexible radiation-proof cloth. (After the subsequent support is limited, due to the elevation of the concave part, the flexible radiation-proof cloth is pulled to form a closed protection area with the transfer platform. At the same time, the flexible radiation-proof cloth can further realize the positioning of the injured person.)

[0054] Finally, the angle, height and posture of multiple unit guard plates 6 are adjusted again through the lifting assembly in conjunction with the four telescopic rod assemblies. When the symmetrical support units on both sides are relatively tilted and the inclination angles of the support units in the same row are the same, a concave body protection limiting area is formed in the middle to limit and fix the wounded. The limiting state is completed and the wounded is transported out of the contaminated area through a mobile support platform that can traverse obstacles.

[0055] In this embodiment, the platform is provided with a lifting assembly and a telescopic rod assembly with four sets of ball joints to adjust the various postures of the unit guard plate 6. When the four sets of telescopic rod assemblies are in different extension states, the unit guard plate 6 is in different tilt states. When one side is tilted uniformly and a depression is formed in the middle, it is convenient for the active placement of the wounded. When the support units symmetrical on both sides are relatively tilted and the tilt angles of the support units in the same row are the same, a body protection limit zone with a depression in the middle is formed. Therefore, the combination with the mobile support platform can realize the autonomous transfer of the wounded, and even if there is shaking when passing obstacles, the wounded will not fall off the platform.

[0056] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transfer platform for nuclear accident rescue, characterized in that: It includes a mobile support platform and a plurality of support units arrayed on the mobile support platform; Each of the support units comprises: A lifting assembly is arranged on the top of the mobile support platform; A bottom plate (20) is arranged on the lifting assembly and driven to rise and fall by the lifting assembly; Four groups of telescopic rod assemblies are arranged at the four corners of the top of the base plate (20); one end of each telescopic rod assembly is respectively matched with a ball joint of the base plate (20); The unit guard plate (6) has a bottom that cooperates with the ball joints at the other ends of the four groups of telescopic rod assemblies respectively; when the four groups of telescopic rod assemblies are in different elongation states, the unit guard plate (6) is in different tilt states. When the support unit on one side is driven to be lowered by the lifting assembly to form a climbing area, the middle part is lowered to form a recessed area, and the support unit on the other side is raised to form a protection area for the wounded to actively climb; when the support units symmetrical on both sides are relatively tilted, and the tilt angles of the support units in the same row are the same, a body protection limit area with a recessed middle is formed.

2. The nuclear accident rescue transfer platform according to claim 1, characterized in that: The mobile support platform comprises: A support plate (2); the lifting assembly is arranged on the top of the support plate (2); Shelf plates (14) are symmetrically arranged in pairs at the bottom of the support plate (2); Two differential bevel gears (15) are rotatably mounted on a set of two symmetrical frame plates (14) via the first rotating shaft (13); A transmission bevel gear (16) is rotatably mounted between another set of two symmetrical frame plates (14) via a second rotating shaft (17) and is respectively meshed with the two differential bevel gears (15); Two height adjustment components are respectively rotatably matched with the end portions of the two first rotating shafts (13) at opposite ends; the height adjustment components move relative to the first rotating shafts (13) in a direction perpendicular to the support plate (2); Two sets of walking wheel structures are symmetrically arranged on the two height adjustment components.

3. The nuclear accident rescue transfer platform according to claim 2, characterized in that: The lifting assembly comprises: A driving motor (21) is fixedly arranged on the top of the supporting plate (2); A screw rod (8), one end of which is drivingly connected to the output shaft of the driving motor (21), and the other end of which passes through the bottom plate (20) and is threadedly engaged with the bottom plate (20); an end plate (23) rotatably connected to the other end of the screw rod (8); A guide rod (22) has one end fixedly connected to the end plate (23), and the other end passes through the bottom plate (20) and is slidably matched with the bottom plate (20).

4. The nuclear accident rescue transfer platform according to claim 1, characterized in that: The telescopic rod assembly is a cylinder (4); the telescopic end of the cylinder (4) is articulated with the unit guard plate (6) via a first ball joint (5), and the other end of the cylinder (4) is articulated with the base plate (20) via a second ball joint (10).

5. The nuclear accident rescue transfer platform according to claim 2, characterized in that: The height adjustment assembly comprises: A moving block (18) rotatably connected to the end of the first rotating shaft (13); A sliding groove (12); the moving block (18) slides in the groove of the sliding groove (12); A lead screw (19) passes through the moving block (18) and is threadedly engaged with the moving block (18); two ends of the lead screw (19) are rotatably connected to two ends of the groove body of the sliding groove (12) respectively; A drive motor is fixedly arranged at one end of the sliding groove (12); an output shaft of the drive motor is drivingly connected to one end of the lead screw (19).

6. The nuclear accident rescue transfer platform according to claim 5, characterized in that: The walking wheel structure comprises two walking wheels (1), two walking wheel brackets (11) and two walking wheel motors (9); one end of the two walking wheel brackets (11) is respectively connected to the two ends of the sliding groove (12); the two walking wheels (1) are respectively rotatably connected to one side of the other end of the two walking wheel brackets (11); the two walking wheel motors (9) are fixedly arranged on the other side of the other end of the walking wheel bracket (11), and their output shafts are drivingly connected to the walking wheels (1).

7. The nuclear accident rescue transfer platform according to claim 1, characterized in that: It also comprises two anti-collision structures, which are respectively arranged at the two ends of the support plate (2); the anti-collision structure comprises a baffle rod (7) and two support columns (3); the bottoms of the two ends of the baffle rod (7) are respectively connected to the top of the support plate (2) through the support columns (3).

8. The nuclear accident rescue transfer platform according to claim 7, characterized in that: A flexible radiation-proof cloth is arranged between the two outer rows of unit guard plates (6); both ends of the radiation-proof cloth are fixedly connected to the two blocking rods (7), and one side thereof is fixedly connected to one row of unit guard plates (6).

9. The nuclear accident rescue transfer platform according to claim 1, characterized in that: A sponge is arranged on the top of the unit guard plate (6).

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