Single-hook and double-hook anti-falling device for flexible lifting gate
The anti-fall component using a double-hook linkage method solves the problem that the fixed pulley opening and closing method cannot lift heavy doors, achieving an unrestricted safety anti-fall effect and improving the applicability and safety of flexible lifting doors.
Patent Information
- Application Number
- CN202520082710.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The existing fixed pulley opening and closing method cannot effectively lift gates weighing more than 10 tons, which increases the difficulty of operation and safety risks, and limits the application scope and flexibility of flexible lifting gates.
The anti-fall device, which adopts a double-hook linkage mechanism, includes an anti-fall hook, a linkage rod, a tension spring, and a failure device. Through the cooperation of the failure cylinder and the support spring, it ensures that the fixing rod is quickly engaged when the wire rope slackens, preventing the gate from falling and adapting to heavier gates and complex environments.
It achieves gate safety against falling regardless of age, doorway size, weight, or external force, improving the safety and flexibility of flexible lifting gates while reducing cost and complexity.
Smart Images
Figure CN223724405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of overhead door, concretely relates to a single hook, double hook anti-falling device of flexible overhead door. BACKGROUND
[0002] The flexible overhead door is also called flexible door or flexible lifting door, which is a special door with multiple excellent properties, and the following is the detailed introduction of the flexible overhead door: safe and reliable: the flexible overhead door is designed with anti-breaking lock and safety protection device, which ensures that the door body will not fall and cause injury in the event of wire rope breaking and other accidents, at the same time, the bottom is provided with a safety airbag, which will bounce immediately when encountering obstacles, thus ensuring the safety of personnel and equipment, easy to open: the flexible overhead door can easily realize lifting operation through the main machine lifting mechanism composed of motor, speed reducer and winding drum, and the opening and closing speed can reach 6-15 m / min, which meets the needs of different environments, small floor area: the flexible overhead door is installed inside the hole, and will be stacked above the hole after opening, thus not occupying indoor space, for the case of larger hole, multiple movable guide rails can be arranged to divide the flexible door into several independent flexible doors, thus further shortening the space occupation, light weight: compared with other types of doors, the flexible overhead door is lighter in weight, which reduces the requirement for the strength of the top of the door hole, wind pressure resistance: the flexible overhead door is usually composed of two layers of door cloth and aluminum or steel cross beams, which has high wind resistance, and the specially designed flexible overhead door can resist wind pressure above 10 levels, thus ensuring safe use in bad weather, sound insulation, heat preservation, moisture and dust resistance: the double-layer base cloth design and sealing performance of the flexible overhead door make it have good sound insulation, heat preservation, moisture and dust resistance, and it is suitable for various industrial environments.
[0003] Although the hook type steel anti-falling device performs well in door safety, the existing fixed pulley opening and closing mode has certain technical limitations, specifically, the fixed pulley opening and closing mode is mainly suitable for lifting the flexible door with a weight below 10 tons, for the door with a weight exceeding this limit, the fixed pulley may not provide enough lifting force and stability, thus increasing the operation difficulty and safety risk, this technical defect limits the use range and flexibility of the door, when a heavier door needs to be lifted, other more powerful lifting methods or additional support structures must be found, which not only increases the cost, but also may affect the overall performance and safety of the door. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a single hook, double hook anti-falling device of flexible overhead door, which aims at solving the problems proposed in the background art.
[0005] A single hook, double hook anti-falling device of flexible overhead door, comprising,
[0006] The lower crossbeam, the guide rail and the fixing rod are arranged on the inner wall of the guide rail.
[0007] The anti-falling assembly is arranged on the outer wall of the lower crossbeam, wherein the anti-falling assembly comprises anti-falling hooks, a linkage rod, a tension spring and a failure assembly.
[0008] Further, the failure assembly comprises a mounting table, a failure cylinder, a supporting spring and a driving rod.
[0009] Further, the mounting table is arranged on the outer wall of the lower crossbeam, and the failure cylinder is arranged in the inner wall of the mounting table.
[0010] Further, the supporting spring is arranged on the outer wall of the output end of the failure cylinder.
[0011] Further, one end of the supporting spring is arranged on the outer wall of the driving rod.
[0012] Further, one end of the driving rod is arranged on the outer wall of the output end of the failure cylinder, and the driving rod is arranged on the outer wall of the linkage rod.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] The anti-falling assembly is arranged on the outer wall of the lower crossbeam, wherein the anti-falling assembly comprises anti-falling hooks, a linkage rod, a tension spring and a failure assembly. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model.
[0016] Fig. 1 It is a perspective view of the utility model;
[0017] Fig. 2 It is a perspective view of the failure cylinder of the utility model;
[0018] Fig. 3 It is the perspective view of the supporting spring of the utility model.
[0019] In the figure: 1, the lower crossbeam; 2, guide rail; 3, fixed rod; 4, anti-falling hook; 5, linkage rod; 6, mounting table; 7, failure cylinder; 8, supporting spring; 9, tension spring; 10, drive rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] Please refer to Figs. 1-3 The technical solutions provided by the embodiment are as follows:
[0024] A flexible lifting gate single-hook and double-hook anti-falling device, comprising,
[0025] The lower crossbeam 1, the guide rail 2 and the fixed rod 3 are fixedly arranged on the inner wall of the guide rail 2, and the guide rail 2 is arranged on the outer wall of the lower crossbeam 1.
[0026] The anti-falling assembly is arranged at the outer wall of the lower cross beam 1, wherein: the anti-falling assembly comprises anti-falling hooks 4, a linkage rod 5, a tension spring 9 and a failure assembly, the two anti-falling hooks 4 are respectively rotatably arranged at the outer wall of the lower cross beam 1, the two ends of the linkage rod 5 are respectively rotatably sleeved with nuts at the outer wall of one end of the anti-falling hook 4, the tension spring 9 is fixedly arranged at the outer wall of one end of one of the anti-falling hooks 4, and the failure assembly is arranged at the outer wall of the lower cross beam 1.
[0027] In the embodiment of the utility model, the anti-falling assembly is configured with double anti-falling hooks 4, adopts a double-hook linkage mode for braking, and once the steel wire rope is relaxed, the control power main machine stops running immediately and pulls the tension spring 9, so that the double anti-falling hooks 4 are linked, and the clamping of the fixed rod 3 is completed, which is not limited by the service life, the door opening size and the door weight, is not affected by external wind pressure and external force, and ensures the safety of the door in the true sense of falling.
[0028] Specifically, the failure assembly comprises a mounting table 6, a failure cylinder 7, a supporting spring 8 and a driving rod 10.
[0029] In the embodiment of the utility model, the failure assembly can avoid the failure of the tension spring 9 and the inability to drive the anti-falling hook 4.
[0030] Specifically, the mounting table 6 is fixedly arranged at one side of the outer wall of the lower cross beam 1, and the failure cylinder 7 is embedded in the inner wall of the mounting table 6.
[0031] In the embodiment of the utility model, the failure cylinder 7 is embedded in the inner wall of the mounting table 6, so that the stability of installation can be ensured.
[0032] Specifically, the supporting spring 8 is sleeved on the outer wall of the output end of the failure cylinder 7.
[0033] In the embodiment of the utility model, the supporting spring 8 is sleeved on the outer wall of the output end of the failure cylinder 7, so that the resetting effect can be ensured.
[0034] Specifically, one end of the supporting spring 8 is attached to the outer wall of the driving rod 10.
[0035] In the embodiment of the utility model, one end of the supporting spring 8 is attached to the outer wall of the driving rod 10, so that the stretching effect can be ensured.
[0036] Specific, one end of the drive rod 10 is fixedly arranged at the output end of the invalid cylinder 7 outer wall, drive rod 10 rotationally inserted in the outer wall of the linkage rod 5.
[0037] In the embodiments of the utility model, the drive rod 10 is rotationally inserted in the outer wall of the linkage rod 5, so that the driving effect can be ensured.
[0038] Working principle:
[0039] The anti-falling assembly is configured with double anti-falling hooks 4, adopts a double-hook linkage mode for braking, once the steel wire rope is relaxed, the lower limit device installed at the side end of the rope wheel receives a signal, controls the power main machine to lose power and immediately stops running and pulls the tension spring 9, so that the double anti-falling hooks 4 are linked, the clamping of the fixed rod 3 is completed, is not limited by age, is not limited by door size and door weight, is not affected by external wind pressure and external force, and the safety of the door is ensured in a true sense. The lower cross beam 1 is installed on the outer walls of the flexible lifting door, once the limit aging fails or is accidentally impacted by external force, the tension spring 9 is pulled, the linkage rod 5 is driven to rise, the anti-falling hook 4 is quickly rotated, the clamping of the fixed rod 3 is completed, when the tension spring 9 fails, the invalid cylinder 7 is quickly started, the drive rod 10 drives the linkage rod 5 to rise, the anti-falling hook 4 is quickly rotated, the invalid cylinder 7 is pulled back to the original position by the supporting spring 8, and the anti-falling hook 4 is prevented from being accidentally rotated.
[0040] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement is carried out to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A flexible overhead door single hook, double hook anti-drop device, characterized in that, Including, The lower crossbeam (1), the guide rail (2), the fixed rod (3), the fixed rod (3) is fixedly arranged at the inner wall of the guide rail (2), and the guide rail (2) is arranged at the outer wall side of the lower crossbeam (1); The anti-falling assembly is arranged at the outer wall of the lower crossbeam (1), wherein: the anti-falling assembly includes anti-falling hooks (4), linkage rods (5), tension springs (9) and failure assemblies, two anti-falling hooks (4) are respectively rotatably inserted into the outer wall of the lower crossbeam (1), the two ends of the linkage rod (5) are rotatably sleeved on the outer wall of one end of the anti-falling hook (4) through the nut, the tension spring (9) is fixedly arranged on the outer wall of one end of the anti-falling hook (4), the failure assembly is arranged at the outer wall of the lower crossbeam (1), and the anti-falling hook (4) and the fixed rod (3) are matched with each other.
2. A flexible overhead door single hook, double hook anti-drop device according to claim 1, characterized in that, The failure assembly includes a mounting table (6), a failure cylinder (7), a supporting spring (8) and a driving rod (10).
3. A flexible overhead door single hook, double hook anti-drop device according to claim 2, characterized in that, The mounting table (6) is fixedly arranged at the outer wall side of the lower crossbeam (1), and the failure cylinder (7) is embedded in the inner wall of the mounting table (6).
4. A flexible overhead door single hook, double hook anti-drop device according to claim 3, characterized in that, The supporting spring (8) is sleeved on the output end outer wall of the failure cylinder (7).
5. A flexible overhead door single hook, double hook anti-drop device according to claim 4, characterized in that, One end of the supporting spring (8) is attached to the outer wall of the driving rod (10).
6. A flexible overhead door single hook, double hook anti-drop device according to claim 5, characterized in that, One end of the driving rod (10) is fixedly arranged on the output end outer wall of the failure cylinder (7), and the driving rod (10) is rotatably inserted into the outer wall of the linkage rod (5).