Anti-falling device for loading and unloading, fixed frame mechanism and movable frame mechanism
By using a fall arrestor with a sliding hook and rope tensioner in high-altitude operations, the problems of easy tangling of safety ropes and cumbersome gantry frames are solved, enabling free movement and quick locking of safety ropes, thus improving the safety and efficiency of high-altitude operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-03-31
AI Technical Summary
Existing safety protection devices for working at heights have drawbacks such as safety ropes being easily tangled, inconvenient operation, and cumbersome gantry frame construction that occupies a large space, making it difficult to meet the needs of multiple people working at heights.
The fall arrestor uses a sliding hook and rope tensioner. The safety rope, hook and rope tensioner are connected by a support, which allows the safety rope to move freely and lock quickly. Combined with a fixed frame and a mobile frame mechanism, it can adapt to different working environments.
It eliminates the problem of safety ropes crossing and tangling, improves the flexibility and safety of operators, significantly reduces injuries from falls from heights, and improves work efficiency and safety.
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Figure CN224056495U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of protective equipment, specifically relates to a kind of loading and unloading anti-falling device, fixed frame mechanism and mobile frame mechanism. BACKGROUND
[0002] The existing anti-falling measure needs operating personnel to use high-altitude operation safety protection device, and the existing high-altitude operation safety protection device usually fixes one end of safety rope at the high point position of factory building, and the other end is connected with waistband and tied on the body of operating personnel, when multiple operating personnel carry out cargo handling on truck, safety rope is prone to winding between them, which affects normal operation, and once operating personnel fall, it is easy to be pulled, when operating personnel are located outdoors and carry out high-altitude operation, a special higher portal frame needs to be specially built, and the hook is hung on the portal frame, so as to protect the high-altitude operation of operating personnel, however, the portal frame is more complicated to build, occupies large space, and is not easy to move, the utility model provides a new solution to the above problems. SUMMARY
[0003] The utility model discloses in order to overcome at least one of the above-mentioned shortcomings, provide a kind of loading and unloading anti-falling device, fixed frame mechanism and mobile frame mechanism.The purpose of the utility model can be achieved by adopting the following technical solutions:
[0004] The first aspect of the application provides a kind of loading and unloading anti-falling device, including support and protection device, the protection device is movably connected to support, and the protection device includes:
[0005] Safety rope, the safety rope is connected with hook, and the hook can slide along the support;
[0006] Tight rope device, the tight rope device is connected with safety rope, and the tight rope device can lock the safety rope subjected to more than preset tension;
[0007] Safety belt, the safety belt is connected with the safety rope, for tying on the body of operating personnel.
[0008] In an implementable manner, the number of protection devices is one, two, three or other integer.
[0009] In an implementable manner, the support is transversely arranged and fixed at high point position at both ends.
[0010] In an implementable manner, the support is provided with a blocking piece, the blocking piece is used to form a stop for the protection device moving along the support, and the blocking piece is provided between adjacent protection devices.
[0011] In an embodiment, the hook is connected to the rope tightener, one end of the safety rope is connected to the rope tightener, and the other end of the safety rope is connected to the safety belt.
[0012] In an embodiment, the safety rope comprises:
[0013] a main rope, one end of the main rope being connected to the hook, and the other end of the main rope being connected to the rope tightener;
[0014] at least two auxiliary ropes, one end of each auxiliary rope being connected to the rope tightener, and the other end of each auxiliary rope being connected to the safety belt, the rope tightener being capable of locking the auxiliary rope subjected to a force exceeding a preset force.
[0015] In a second aspect of the present application, a fixing frame mechanism is provided, comprising any one of the load / unload anti-falling devices of the first aspect, and a fixing frame body, the fixing frame body comprising a plurality of corresponding beams and struts, the beams being arranged on the struts, and the support member being connected to the beams.
[0016] In a third aspect of the present application, a mobile frame mechanism is provided, comprising any one of the load / unload anti-falling devices of the first aspect, the mobile frame mechanism comprising a mobile frame body, the bottom of the mobile frame body being provided with mobile wheels.
[0017] In an embodiment, the mobile frame body is in a non-foldable structure, the mobile frame body comprising a plurality of corresponding beams and struts, the beams being arranged on the struts, and a plurality of the beams being assembled to form a horizontal frame body, and the support member being connected to the frame body.
[0018] In an embodiment, the mobile frame body is in a foldable structure, the mobile frame body comprising a plurality of vertical frame bodies, a plurality of the vertical frame bodies being foldable through a folding connection structure, each vertical frame body comprising corresponding beams and struts, the beams being arranged on the struts, and the support member being connected to a plurality of the frame bodies.
[0019] The load / unload anti-falling device according to the present disclosure can eliminate the problem of cross-winding of multiple safety ropes by arranging a support member at a high position and enabling the safety rope to move freely along the support member through the sliding hook, and the operator can move flexibly on a truck or an aerial platform, thereby avoiding the risk of restricted movement or secondary injury caused by rope winding, the rope tightener can quickly lock the safety rope to achieve buffer-type emergency braking at the moment of falling, compared with the traditional rigid fixing method, most of the impact force can be reduced, the injury caused by high-altitude falling can be significantly reduced, and the work efficiency and safety can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] In the drawings, the following is shown by way of example and without limitation:
[0021] Figure 1 A structure diagram of a fall protection device for loading and unloading is shown;
[0022] Figure 2 A structure diagram of another fall protection device for loading and unloading is shown;
[0023] Figure 3 A structure diagram of a fixed frame mechanism is shown;
[0024] Figure 4 A structure diagram of a moving frame mechanism is shown;
[0025] Figure 5 A structure diagram of another moving frame mechanism at one angle of expansion is shown;
[0026] Figure 6 A structure diagram of another moving frame mechanism at another angle of expansion is shown;
[0027] Figure 7 A structure diagram of another moving frame mechanism at one angle of folding is shown;
[0028] Figure 8 A structure diagram of another moving frame mechanism at another angle of folding is shown.
[0029] In the drawings:
[0030] 1, protection device; 2, cross beam; 3, support column; 4, moving wheel; 5, diagonal reinforcing rib; 6, transverse reinforcing rib; 7, folding connection structure; 8, lasso piece;
[0031] 11, hook; 12, safety rope; 13, rope tightener; 14, safety belt; 15, support piece; 16, blocking piece;
[0032] 121, main rope; 122, auxiliary rope. DETAILED DESCRIPTION
[0033] In the following detailed disclosure, the drawings are referred to, and the embodiments are fully described, so that the technical solution of the present application is more clear and explicit to those skilled in the art. The following description of the embodiments is not limited to the following, and the present application will be further described in detail in combination with the embodiments and drawings.
[0034] In the utility model, the terms "first", "second", "third" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "multiple" refers to two or more than two, unless otherwise explicitly limited. The terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connection" can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0035] In the description of the utility model, it should be understood that the directions or position relations indicated by the terms "upper", "lower", "left", "right", "front", "rear" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.
[0036] The first aspect of the present application, as shown in Figures 1-8 A loading and unloading anti-falling device is provided, comprising a support 11 and a protective device 1, the protective device 1 being movably connected to the support 11, the protective device 1 comprising a safety rope 12, a rope tightener 13 and a safety belt 14, the safety rope 12 being connected to a hook 11, the hook 11 being capable of sliding along the support 11, the rope tightener 13 being connected to the safety rope 12, the rope tightener 13 being capable of locking the safety rope 12 subjected to a preset tension, and the safety belt 14 being connected to the safety rope 12 and being used for being tied on the body of an operator.
[0037] The loading and unloading anti-falling device provided by the embodiment can eliminate the problem of cross-winding of multiple safety ropes 12, can cover simultaneous operation of multiple operators, and the operators can move flexibly on a truck or an aerial platform, thereby avoiding movement limitation or secondary injury risk caused by rope winding.
[0038] The loading and unloading anti-falling device provided by the embodiment can quickly lock the safety rope 12 at the moment of falling, can realize buffer type emergency braking through a preset tension threshold (such as 1.5-2 times of human body falling impact force), can reduce more than 80% of impact force transmission compared with a traditional rigid fixing mode, can significantly reduce injuries such as sprain and fracture caused by high-altitude falling, and can improve operation efficiency and safety.
[0039] In one implementation manner, as shown in Figure 1 The number of protective devices 1 is one, two, three or other integer.
[0040] Wherein, a plurality of protection devices 1 are slidably connected on the support 11, and each protection device 1 is complete and functionally independent.
[0041] Wherein, the protection device 1 includes a hook 11, a safety rope 12, a rope tensioner 13 and a safety belt 14, the hook 11 can slide on the support 11 while maintaining sufficient stability to prevent falling during operation.
[0042] Wherein, the rope tensioner 13 is connected with the safety rope 12, and is used to automatically tighten the safety rope 12 in the case of falling of the operator exceeding the preset tension, and the rope tensioner 13 can be provided with a spring, a ratchet or other mechanical structure inside to realize fast response and reliable tightening.
[0043] Further, the rope tensioner 13 can be provided with a tension adjusting device to allow the preset tension value to be adjusted according to the working environment and the weight of the operator.
[0044] The dismounting anti-falling device provided by the embodiment not only solves the problems of easy entanglement and inconvenient operation of the safety rope 12 in the traditional high-altitude operation safety protection device 1, but also improves the reliability and effectiveness of safety protection through the rope tensioner 13. In specific implementation, the position and number of the support 11 and the configuration of the protection device 1 can be flexibly adjusted according to the needs of the working environment and the operator to meet the safety needs of different high-altitude operation scenes.
[0045] In an implementable manner, the support 11 is horizontally arranged and both ends are fixed at high point positions.
[0046] Wherein, the indoor fixed support 11 is used, and the indoor operation can directly use the building structure as the fixed support 11, such as factory beam 2, special guide rail, etc., which reduces the installation cost, and the outdoor operation can also directly use the building structure as the fixed support 11, such as factory high point, outdoor wall, etc., and the rod, sling or frame structure can also be used, which can cover multiple operators working at the same time.
[0047] Wherein, the support 11 is made of metal or metal alloy, which has good weather resistance and corrosion resistance to adapt to use in different environments, and has strong reusability.
[0048] In an implementable manner, as shown in Figure 1 The support 11 is provided with a blocking piece, and the blocking piece is used to stop the protection device 1 moving along the support 11, and the blocking piece is arranged between adjacent protection devices 1.
[0049] Wherein, several barriers are arranged on the support 11, which can limit the movement range of the protection device 1, and when the protection device 1 moves along the support 11, it will be blocked by the adjacent barriers, so as to ensure that each hook 11 can only move in its independent sliding range, which not only avoids the direct collision between the protection devices 1, but also greatly reduces the possibility of entanglement between the safety ropes 12, and improves the operation efficiency and safety.
[0050] It can be understood that the barriers can be adjusted according to the specific operation environment and requirements, and the shape, position and number of the barriers can be flexibly set according to the number and distribution of the operators and the length and shape of the support 11, so as to meet the safety requirements of different aerial work scenes.
[0051] In an implementable manner, as shown in Figure 1 The hook 11 is connected with the rope tightener 13, one end of the safety rope 12 is connected with the rope tightener 13, and the other end of the safety rope 12 is connected with the safety belt 14.
[0052] Wherein, each protection device 1 is functionally independent, and the protection device 1 comprises a hook 11 which is slidably connected to the support 11, one end of the safety rope 12 is firmly connected with the safety belt 14, and the rope tightener 13 is connected with the safety rope 12 to selectively lock the safety rope 12, which is suitable for the operators to work individually within a certain range, and can ensure the independent operation space of each operator.
[0053] In an implementable manner, as shown in Figure 2 The safety rope 12 comprises a main rope 121 and at least two auxiliary ropes 122, one end of the main rope 121 is connected with the hook 11, the other end of the main rope 121 is connected with the rope tightener 13, one end of the auxiliary rope 122 is connected with the rope tightener 13, and the other end of the auxiliary rope 122 is connected with the safety belt 14, and the rope tightener 13 can lock the auxiliary rope 122 subjected to a force exceeding a preset tension.
[0054] Wherein, the main rope 121 serves as the main bearing and connecting part, which is connected with the support 11 through the hook 11, so as to ensure that the operator is always connected with the support 11 during movement or operation, and the rope tightener 13 serves as a safety locking function, and the auxiliary rope 122 serves as a part connecting the rope tightener 13 and the safety belt 14, which can bear sufficient tension, and when the auxiliary rope 122 is subjected to a force exceeding a preset tension, the rope tightener 13 can quickly respond and lock the auxiliary rope 122 to prevent the operator from being injured due to falling.
[0055] The safety rope 12 includes a main rope 121 and a plurality of auxiliary ropes 122 connected to the main rope 121, the main rope 121 forms a main trunk passage along the high-altitude support 11, and the auxiliary ropes 122 are connected to the operator downwardly with the tightener 13 as a node to form a tree network, which can avoid the problem of cross winding of the safety rope 12 when multiple people work.
[0056] The number of tighteners 13 corresponding to the auxiliary ropes 122 can be set, or one tightener 13 capable of matching a plurality of auxiliary ropes 122 can be set, when the force acting on the auxiliary rope 122 exceeds a preset threshold (such as 1.5 times the weight of the human body, about 1.2kN), the locking action can be completed in a short time, and at the same time the main rope 121 continues to absorb the remaining energy through elastic deformation, the two-stage buffering mechanism can shorten the falling distance and reduce the risk of secondary collision in high-altitude hovering, and is especially suitable for scenarios such as truck loading and unloading, steel structure installation, and the like which need to frequently change workstations.
[0057] Due to limited storage space, some goods need to be stacked on an open yard and covered with a tarpaulin, and during the operation process, both stacking and covering the tarpaulin are prone to falling accidents.
[0058] The second aspect of the present application, as shown in Figure 3 The second aspect of the present application, as shown in
[0059] The fixed frame body can be fixed on the carrier and can be composed of a plurality of inverted L-shaped supports, the inverted L-shaped supports are rigidly connected by vertical support columns 3 and horizontal beams 2 fixed to the ground, and a diagonal reinforcing rib 5 can be arranged between the vertical support columns 3 and the horizontal beams 2 to improve the connection stability, the fixed frame body has simple structure and high stability, and is suitable for loading, unloading and other operations of fixed workstations, and is especially suitable for fixed workstations on the roadside.
[0060] The third aspect of the present application, as shown in Figures 4-8 The third aspect of the present application, as shown in
[0061] The mobile frame body is the main part of the mobile frame mechanism, and the bottom is usually provided with a mobile wheel 4, so that the mobile frame body can move to adapt to different working environments and requirements, and is suitable for outdoor operation.
[0062] The mobile wheel 4 can be a self-locking universal wheel, which can move in all directions on a flat ground and can also be locked for fixation.
[0063] The mobile frame mechanism can further be provided with a lifting rod for adjusting the height of the mobile frame mechanism to meet the needs of work protection at different heights.
[0064] The mobile frame body is provided with the protection device 1, thereby providing safety protection for the operator.
[0065] During work, the mobile frame mechanism can be pulled by the oil pressure vehicle to the side of the truck, the protection device 1 is hung, the motor switch is pressed to tighten the safety rope 12, the lifting rod is lifted to the appropriate height, the operator wears the safety belt 14, and then the loading and unloading work can be performed. The height can be freely adjusted, multiple people can unload the goods, and the electric device is adopted, thereby saving labor and being convenient and effectively preventing falling.
[0066] In an implementation manner, as shown in Figure 4 the mobile frame body is a non-foldable structure, the mobile frame body includes a plurality of corresponding beams 2 and struts 3, the beams 2 are arranged on the struts 3, a plurality of beams 2 are assembled to form a horizontal frame body, and the support 11 is connected to the frame body.
[0067] The plurality of beams 2 are assembled to form a horizontal frame body, the struts 3 are vertically arranged at the bottom of the horizontal frame body, and the struts 3 play a role in supporting the entire horizontal frame body. The mobile frame body is usually made of high-strength steel material, thereby ensuring sufficient strength and stability.
[0068] The struts 3 and the beams 2 are connected together through bolts and inclined reinforcing ribs 5, and the struts 3 can also be connected together through transverse reinforcing ribs 6, thereby forming an overall structure and ensuring the stability and load capacity of the structure.
[0069] A plurality of supports 11 can be arranged on the horizontal frame body, and the plurality of supports 11 can be arranged in parallel or at an angle, thereby supporting the protection device 1 to move in multiple directions and supporting multiple people to work without interference.
[0070] In an implementation manner, as shown in Figures 5-8 the mobile frame body is a foldable structure, the mobile frame body includes a plurality of vertical frame bodies, the plurality of vertical frame bodies are foldable through a folding connection structure 7, each vertical frame body includes corresponding beams 2 and struts 3, the beams 2 are arranged on the struts 3, and the support 11 is connected to the plurality of frame bodies.
[0071] The beams 2 and the struts 3 are assembled to form a vertical frame body, and the plurality of vertical frame bodies are arranged at intervals. Adjacent vertical frame bodies can be fixedly connected together through transverse reinforcing ribs 6 to improve the structural stability. Adjacent vertical frame bodies can also be foldable through the folding connection structure 7, that is, X-shaped folding joints with self-locking buckles are arranged between adjacent vertical frame bodies to realize folding, thereby ensuring the node stiffness in the unfolded state and adjusting the prosthesis length and the occupied space after folding.
[0072] The electric push rod can be arranged between the vertical frame bodies, and the frame body can be automatically unfolded or folded, time and labor are saved, and automation is improved.
[0073] The lasso piece 8 can be arranged at a high position of the vertical frame body, and the lasso piece 8 can be a ring sleeve, so that the supporting piece 11 can pass through the coaxial lasso pieces 8 of the plurality of vertical frame bodies, and the structural stability is improved.
[0074] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "a specific embodiment" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0075] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
[0076] In view of the above detailed description, these and other changes can be made to the embodiments, and the written description includes the best mode of the embodiments to disclose the present application. The patent scope obtained by the present application is defined by the claims, and the claims are not limited by the disclosure, the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which is within the protection scope of the present application.
Claims
1. A fall arrest device for use in loading and unloading, characterized in that The device comprises a support (11) and a guard device (1) which is movably connected to the support (11), wherein the guard device (1) comprises: a safety rope (12) which is connected to a hook (11) capable of sliding along the support (11); a rope tightener (13) connected to the safety rope (12) capable of locking the safety rope (12) when the safety rope (12) is subjected to a preset tension; a safety belt (14) connected to the safety rope (12) for being tied to the operator.
2. The fall arrest device of claim 1, wherein, The number of the guard devices (1) is one, two, three or other integer.
3. The fall arrest device of claim 2, wherein, The support (11) is horizontally arranged and fixed at both ends to high points.
4. The fall arrest device of claim 3, wherein, The support (11) is provided with a blocking member for stopping the guard device (1) moving along the support (11), and the blocking member is arranged between adjacent guard devices (1).
5. The handling and fall arrest device according to any one of claims 1 to 4, characterized in that The hook (11) is connected to the rope tightener (13), one end of the safety rope (12) is connected to the rope tightener (13), and the other end of the safety rope (12) is connected to the safety belt (14).
6. The fall arrest device according to any one of claims 1 to 4, wherein The safety rope (12) comprises: a main rope (121) with one end connected to the hook (11) and the other end connected to the rope tightener (13); at least two auxiliary ropes (122) with one end connected to the rope tightener (13) and the other end connected to the safety belt (14), and the rope tightener (13) is capable of locking the auxiliary rope (122) when the auxiliary rope (122) is subjected to a preset tension.
7. A fixture mechanism, characterized by The device comprises the loading and unloading guard device according to any one of claims 1-6, and a fixed frame body comprising a plurality of corresponding arranged cross beams (2) and support columns (3), wherein the support (11) is connected to the cross beams (2).
8. A mobile frame mechanism characterized by, The device comprises the loading and unloading guard device according to any one of claims 1-6, and a movable frame mechanism comprising a movable frame body provided with movable wheels (4) at the bottom.
9. The carriage mechanism of claim 8, wherein, The movable frame body is a non-foldable structure, and comprises a plurality of corresponding arranged cross beams (2) and support columns (3), wherein the cross beams (2) are arranged on the support columns (3), and a plurality of the cross beams (2) are assembled to form a horizontal frame body, and the support (11) is connected to the frame body.
10. The carriage mechanism of claim 8, wherein, The movable frame body is a foldable structure, and comprises a plurality of vertical frame bodies which are foldable through a folding connection structure (7), wherein each vertical frame body comprises a corresponding arranged cross beam (2) and support column (3), the cross beam (2) is arranged on the support column (3), and the support (11) is connected to a plurality of the frame bodies.