Elevator anti-falling device for irradiation test box
By installing buffer and locking devices on the irradiation test chamber elevator, the safety and accuracy issues of the elevator in special environments were solved, and the safety protection of the equipment was achieved.
Patent Information
- Application Number
- CN202520091537.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing fall protection technologies cannot fully meet the safety and accuracy requirements of irradiation test chamber elevators in special environments, posing risks of equipment damage and safety hazards.
A fall prevention device for a hoist, comprising a buffer device and a locking device, was designed. The buffer device uses a spring to cushion the fall, and the locking device quickly locks the hoisting rope during a fall to prevent further descent and improve safety.
It effectively reduces the impact force on the equipment during a fall, prevents equipment damage, and improves the safety and reliability of the irradiation test chamber elevator.
Smart Images
Figure CN223852171U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical equipment protection technology, specifically a fall prevention device for a hoist on an irradiation test chamber. Background Technology
[0002] Irradiation test chambers are typically used to house irradiation equipment and samples. During testing, the samples and equipment may need to be moved up and down using a hoist. Traditional hoists, during use, may experience malfunctions, operational errors, or other unforeseen circumstances that cause the load to fall, endangering the safety of operators or damaging the equipment. Therefore, to ensure the safety of the hoist during operation and prevent its load from falling, an effective fall protection device must be designed.
[0003] While some fall protection technologies exist on the market, they are mostly used in ordinary hoists and lifting platforms. For hoists operating in special environments such as irradiation test chambers, existing fall protection technologies are insufficient and fail to fully meet the requirements for safety, precision, and equipment protection. Therefore, there is an urgent need for a fall protection device specifically designed for hoists used in this type of equipment. Utility Model Content
[0004] This utility model provides a fall prevention device for the hoist of an irradiation test chamber. It can cushion the equipment with springs when it falls by setting a buffer device, so that the equipment is less affected by the impact force during the fall and is less likely to be damaged. Furthermore, it can quickly lock the transmission belt when it falls, so that the hoisting rope is locked and cannot continue to descend. Multiple locks are provided for locking, which effectively improves the safety of the equipment.
[0005] To achieve the above objectives, a fall protection device for a hoist in an irradiation test chamber is provided, comprising a mounting plate, a protective box fixedly connected to the upper surface of the mounting plate, a hinge fixedly connected to the upper surface of the protective box, an opening / closing cover fixedly connected to the front surface of the hinge, a handle fixedly connected to the upper surface of the opening / closing cover, a buffer device provided on the upper surface of the mounting plate, a drive motor fixedly connected to the upper surface of the mounting plate, a support column fixedly connected to the upper surface of the drive motor, and a locking device provided on the upper surface of the support column. The protective box facilitates radiation protection for personnel, the handle facilitates opening and closing the cover, and the drive motor facilitates rotation of the support column.
[0006] According to the aforementioned anti-fall device for a hoist in an irradiation test chamber, the buffer device includes an elastic plate, a spring plate, a buffer spring, a buffer plate, and a spring sleeve, wherein the elastic plate is fixedly connected to the upper surface of the mounting plate. The elastic plate is provided to facilitate the installation of the spring plate.
[0007] According to the lifting machine anti-falling device for the irradiation test box, the spring plate is fixedly connected to the upper surface of the elastic plate, the buffer spring is fixedly connected to the upper surface of the spring plate, the buffer plate is fixedly connected to the upper end of the buffer spring, and the spring sleeve is fixedly connected to the annular surface of the spring plate.
[0008] According to the lifting machine anti-falling device for the irradiation test box, the locking device comprises a connecting plate, a fixed plate, a winder, a transmission belt, a clamping block, a mounting ring, a rotating rod, a buckle, an extension column, an extender, a mounting block, a bearing, a rotating shaft, a crane, a lifting rope and a platform, and the connecting plate is fixedly connected to the upper surface of the supporting column.
[0009] According to the lifting machine anti-falling device for the irradiation test box, the fixed plate is fixedly connected to the upper surface of the connecting plate, the winder is fixedly connected to the upper surface of the fixed plate, the transmission belt is rotatably connected to the annular surface of the winder, and the clamping block is fixedly connected to the lower surface of the transmission belt.
[0010] According to the lifting machine anti-falling device for the irradiation test box, the mounting ring is fixedly connected to the upper surface of the fixed plate, the rotating rod is rotatably connected to the inner annular surface of the rotating ring, the buckle is fixedly connected to the annular surface of the rotating rod, the extension column is movably connected to the rear surface of the buckle, the extender is fixedly connected to the rear surface of the extension column, and the mounting block is fixedly connected to the lower surface of the extender.
[0011] According to the lifting machine anti-falling device for the irradiation test box, the bearing is fixedly connected to the upper surface of the connecting plate, the rotating shaft is rotatably connected to the inner surface of the bearing, the crane is fixedly connected to the lower surface of the connecting plate, the lifting rope is fixedly connected to the lower surface of the crane, and the platform is fixedly connected to the other end of the lifting rope.
[0012] The lifting machine anti-falling device for the irradiation test box has the advantages that the buffer device is arranged to buffer the equipment with the spring when the equipment falls, so that the impact force received by the equipment during falling is smaller and the equipment is less likely to be damaged; the locking device is arranged to quickly clamp the transmission belt when falling, so that the lifting rope is locked and cannot continue to descend; and multiple buckles are arranged to lock, thereby effectively improving the safety of the equipment.
[0013] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0014] The present application will be further described below in conjunction with the drawings and examples;
[0015] Fig. 1 It is a whole structure schematic view of the present application for the anti-falling device of the elevator on the irradiation test box;
[0016] Fig. 2 It is a whole structure front view of the present application for the anti-falling device of the elevator on the irradiation test box;
[0017] Fig. 3 It is a locking device schematic view of the present application for the anti-falling device of the elevator on the irradiation test box;
[0018] Fig. 4 It is a buffer device schematic view of the present application for the anti-falling device of the elevator on the irradiation test box;
[0019] Fig. 5 It is a partial structure enlarged view of the present application for the anti-falling device of the elevator on the irradiation test box.
[0020] LEGEND:
[0021] 1, mounting plate; 2, protection box; 3, hinge; 4, open and close cover; 5, handle; 6, buffer device; 601, elastic plate; 602, spring plate; 603, buffer spring; 604, buffer plate; 605, spring sleeve; 7, drive machine; 8, support column; 9, locking device; 901, connecting plate; 902, fixed plate; 903, winder; 904, transmission belt; 905, clamping block; 906, mounting ring; 907, rotating rod; 908, buckle; 909, telescopic column; 910, extender; 911, mounting block; 912, bearing; 913, rotating shaft; 914, crane; 915, lifting rope; 916, platform. DETAILED DESCRIPTION
[0022] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.
[0023] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 do not indicate or imply 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; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0024] Referring to Figs. 1 to 4 The utility model discloses a kind of lifting machine anti-falling devices for irradiation test box, it includes mounting plate 1, the upper surface of mounting plate 1 is fixedly connected with protection box 2, the upper surface of protection box 2 is fixedly connected with hinge 3, the front surface of hinge 3 is fixedly connected with open-close cover 4, the upper surface of open-close cover 4 is fixedly connected with handle 5, the upper surface of mounting plate 1 is provided with buffer device 6, the upper surface of mounting plate 1 is fixedly connected with drive machine 7, the upper surface of drive machine 7 is fixedly connected with support column 8, the upper surface of support column 8 is provided with locking device 9, drive machine 7 can be combined with support column 8 to rotate in certain amplitude to change the position of platform 916.
[0025] Buffer device 6 includes elastic plate 601, spring plate 602, buffer spring 603, buffer plate 604 and spring sleeve 605, elastic plate 601 is fixedly connected on the upper surface of mounting plate 1. Spring plate 602 is fixedly connected on the upper surface of elastic plate 601, buffer spring 603 is fixedly connected on the upper surface of spring plate 602, buffer plate 604 is fixedly connected on the upper end of buffer spring 603, spring sleeve 605 is fixedly connected on the annular surface of spring plate 602, spring sleeve 605 is simultaneously connected on the upper surface of elastic plate 601, for the guide of fixed buffer spring 603.
[0026] The locking device 9 comprises a connecting plate 901, a fixed plate 902, a winding device 903, a transmission belt 904, a clamping block 905, a mounting ring 906, a rotating rod 907, a buckle 908, an extension column 909, an extender 910, a mounting block 911, a bearing 912, a rotating shaft 913, a crane 914, a lifting rope 915 and a platform 916, and the connecting plate 901 is fixedly connected to the upper surface of the supporting column 8. The fixed plate 902 is fixedly connected to the upper surface of the connecting plate 901, the winding device 903 is fixedly connected to the upper surface of the fixed plate 902, the transmission belt 904 is rotatably connected to the annular surface of the winding device 903, and the clamping block 905 is fixedly connected to the lower surface of the transmission belt 904. The mounting ring 906 is fixedly connected to the upper surface of the fixed plate 902, the rotating rod 907 is rotatably connected to the inner annular surface of the mounting ring 906, the buckle 908 is fixedly connected to the annular surface of the rotating rod 907, the extension column 909 is movably connected to the rear surface of the buckle 908, the extender 910 is fixedly connected to the rear surface of the extension column 909, and the mounting block 911 is fixedly connected to the lower surface of the extender 910. The bearing 912 is fixedly connected to the upper surface of the connecting plate 901, the rotating shaft 913 is rotatably connected to the inner surface of the bearing 912, the crane 914 is fixedly connected to the lower surface of the connecting plate 901, the lifting rope 915 is fixedly connected to the lower surface of the crane 914, the platform 916 is fixedly connected to the other end of the lifting rope 915, the transmission belt 904 is formed by winding the lifting rope 915 together through the inside of the crane 914, and the transmission belt at the last end connected with the clamping block 905 will not enter the crane 914.
[0027] Working principle: in use, first, the opening and closing cover 4 is opened through the handle 5, then the required sample or instrument is placed on the platform, then the winding machine 903 is opened, the winding machine 903 drives the transmission belt 904 to wind, the transmission belt 904 is dispersed into four lifting ropes 915 through the crane 914, the winding transmission belt 904 drives the lifting rope 915 to move upward, at this time the extension column 909 moves away from the buckle 908 under the action of the extender 910, so that the clamping block 905 below the transmission belt 904 can pass through the buckle 908, after the clamping block 905 passes through the buckle 908, the extender 910 drives the extension column 909 to clamp the outer end of the buckle 908, if falling occurs during the rising process, the transmission belt 904 quickly slides forward, but after sliding a distance, the clamping block 905 below the transmission belt 904 will be clamped on the buckle 908 and cannot move, and the platform 916 will fall on the buffer plate 604 when quickly descending, the buffer spring 603 below the buffer plate 604 will buffer the platform, so that the descending speed of the platform and the impact received are greatly reduced, finally the sample or instrument to be taken out can be taken out.
[0028] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.
Claims
1. A fall arrest device for an elevator on an irradiation test chamber, comprising a mounting plate (1), characterized in that, The upper surface of the mounting plate (1) is fixedly connected with a protection box (2), the upper surface of the protection box (2) is fixedly connected with a hinge (3), the front surface of the hinge (3) is fixedly connected with an opening and closing cover (4), the upper surface of the opening and closing cover (4) is fixedly connected with a handle (5), the upper surface of the mounting plate (1) is provided with a buffer device (6), the upper surface of the mounting plate (1) is fixedly connected with a driving machine (7), the upper surface of the driving machine (7) is fixedly connected with a supporting column (8), and the upper surface of the supporting column (8) is provided with a locking device (9).
2. A fall arrest device for an elevator in an irradiation test chamber according to claim 1, characterized in that The buffer device (6) comprises elastic plates (601), spring plates (602), buffer springs (603), buffer plates (604) and spring sleeves (605), and the elastic plates (601) are fixedly connected to the upper surface of the mounting plate (1).
3. A fall arrest device for an elevator in an irradiation test chamber according to claim 2, wherein The spring plates (602) are fixedly connected to the upper surface of the elastic plates (601), the buffer springs (603) are fixedly connected to the upper surface of the spring plates (602), the buffer plates (604) are fixedly connected to the upper end of the buffer springs (603), and the spring sleeves (605) are fixedly connected to the annular surface of the spring plates (602).
4. A fall arrest device for an elevator in an irradiation test chamber according to claim 1, wherein The locking device (9) comprises a connecting plate (901), a fixed plate (902), a winder (903), a transmission belt (904), a clamping block (905), a mounting ring (906), a rotating rod (907), a buckle (908), an extension column (909), an extender (910), a mounting block (911), a bearing (912), a rotating shaft (913), a crane (914), a lifting rope (915) and a platform (916), and the connecting plate (901) is fixedly connected to the upper surface of the supporting column (8).
5. A fall arrest device for an elevator in an irradiation test chamber according to claim 4, wherein The fixed plate (902) is fixedly connected to the upper surface of the connecting plate (901), the winder (903) is fixedly connected to the upper surface of the fixed plate (902), the transmission belt (904) is rotatably connected to the annular surface of the winder (903), and the clamping block (905) is fixedly connected to the lower surface of the transmission belt (904).
6. A fall arrest device for an elevator in an irradiation test chamber according to claim 5, wherein The mounting ring (906) is fixedly connected to the upper surface of the fixed plate (902), the rotating rod (907) is rotatably connected to the inner annular surface of the mounting ring (906), the buckle (908) is fixedly connected to the annular surface of the rotating rod (907), the extension column (909) is movably connected to the rear surface of the buckle (908), the extender (910) is fixedly connected to the rear surface of the extension column (909), and the mounting block (911) is fixedly connected to the lower surface of the extender (910).
7. A fall arrest device for an elevator in a radiation test chamber according to claim 4, wherein The bearing (912) is fixedly connected to the upper surface of the connecting plate (901), the rotating shaft (913) is rotatably connected to the inner surface of the bearing (912), the crane (914) is fixedly connected to the lower surface of the connecting plate (901), the lifting rope (915) is fixedly connected to the lower surface of the crane (914), and the platform (916) is fixedly connected to the other end of the lifting rope (915).