High-altitude falling protector with winding function
By introducing the rolling function and positioning components into the high-altitude fall-proof device, combined with the L-type rotary groove structure and ratchet system, the problem that the existing fall-proof device cannot be rescued is solved, the safety and convenience are improved, and the cost is reduced. Suitable for a variety of high-altitude work scenarios.
Patent Information
- Application Number
- CN202420988046.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing high-altitude fall-proof device lacks the ability to wind up, resulting in the inability to carry out effective rescue in the event of a failure, which may lead to hand injuries, and has high structural complexity and cost.
A high-altitude fall-proof device with winding function was designed. Through the matching combination of positioning components and protection components, the cable is fixed and active, and combined with the L-type rotary groove structure and ratchet system to achieve safety and convenience. sex.
It improves the safety and convenience of use in high-altitude operations, reduces costs, realizes effective rescue in failure situations, and is suitable for various high-altitude operations scenarios.
Smart Images
Figure CN222286261U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of high-altitude fall arrester devices, in particular to a high-altitude fall arrester with a winding function. Background Art
[0002] When workers perform aerial work, they need to use a fall arrester as a protective device. After massive searches, it is found that the typical existing fall arrester is patented as: CN201920061887.3, a fall arrester, which includes a shell body with an accommodating cavity, a rotating shaft installed in the center of the shell body, and a brake disc, a brake disc, a rotating wheel, and a volute spring installed on the rotating shaft from left to right, the outer end of the volute spring is clamped on the second shell body, the structure is simple, the assembly is convenient, and the manufacturing cost is reduced.
[0003] The existing fall arrester usually uses centrifugal force to pop out a pawl, and the pawl cooperates with the ratchet to lock the rotating shaft. The existing fall arrester does not have an auxiliary winding function. When the fall arrester fails due to a malfunction, the user can only be suspended in the air, and the staff nearby cannot rescue the fallen and suspended person. Directly pulling the wire rope of the fall arrester may cause hand injuries to the rescue staff. Therefore, a high-altitude fall arrester with a winding function is provided. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, the utility model provides a high-altitude fall arrester with a winding function, a new positioning component and a protection component, which are matched and combined through the existing side frame, and the cables are fixed and actively gathered. The existing two sets of functional structures are merged and adjusted through the positioning component, which has the effect of reducing costs and increasing efficiency, and is suitable for various high-altitude operations.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-altitude fall arrester with a winding function, comprising two groups of side frames, the two groups of side frames are arranged opposite to each other, and a winding roller is arranged between the two groups, a rotation groove is opened on the outer side of one side of the side frame, and an outer shell is fixed to the outer side of the side frame on this side, the outer shell consists of an outer plate and a top plate fixed to the top end of the outer side of the outer plate, a ratchet is arranged in the middle of the outer plate, an arc groove is opened in the middle of one side of the top plate, a positioning component is arranged in the arc groove, and the top plate A protection component is provided on the outer side of the top end, and the protection component includes a positioning block, a side connecting rod fixed to the outer side of the positioning block, a connecting rod fixed to the bottom end of the side connecting rod and a pawl fixed to the bottom end of the connecting rod. A positioning hole structure is opened in the middle of the front end of the pawl, and a positioning component is provided in the positioning hole. The positioning component includes a lifting block, a connecting rod fixed to the bottom end of the lifting block, a locking nut sleeved on the outer side of the connecting rod and a slider fixed to the bottom end of the connecting rod. The slider is set in the rotating groove, and the locking nut is set at the top of the arc groove.
[0006] As a preferred technical solution of the utility model, the cross-section of the rotating groove is an L-shaped structure, and the rotating groove is composed of an upper and lower layer of groove body structures, and the inner diameter of the bottom groove body is larger than that of the top groove body.
[0007] As a preferred technical solution of the utility model, a rotating rod is fixed to the middle of the ratchet wheel, and the rotating rod passes through the side frame and is fixedly connected to the middle of the focusing roller.
[0008] As a preferred technical solution of the utility model, a notch is opened at one end of the outer plate, the pawl is arranged in the notch, the rotating rod passes through the side frames on both sides and is fixedly connected to the middle part of the focusing roller, and the other end of the rotating rod is fixedly connected to the hand wheel.
[0009] As a preferred technical solution of the utility model, a return spring is sleeved on the outer side of the connecting rod, and the two ends of the return spring are fixedly connected to the side connecting rod and the pawl respectively.
[0010] As a preferred technical solution of the present utility model, the connecting rod is a threaded rod structure, and the connecting rod is a slider combination into an L-shaped structure.
[0011] As a preferred technical solution of the utility model, the ratchet sleeve is arranged on the outside of the rotating rod.
[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0013] 1. In this device, through the outer shell structure set up, the focusing roller and the ratchet wheel of the internal rotating rod can be connected and fixed to form a combined structure, and the internal focusing roller can be driven to rotate by the ratchet wheel on the inside. Since the focusing roller structure with active rotation function can change the height position of the wearer, it is convenient for on-site use. Specifically, one end of the ratchet wheel is meshed and fixed with the pawl, so when the ratchet teeth are engaged with it, the user can determine the position of the positioning component to achieve the engagement of the front end position of the pawl with the ratchet wheel, and then stop the rotation of the ratchet wheel (due to the fixed connection relationship between the outer plate and the side plate), which has a positioning effect, and the position of the positioning component can be rotated in the arc groove. When the front end of the pawl is locked with the ratchet wheel, the position of the connecting rod in the arc groove can be determined by the locking nut, so as to achieve a locking effect and improve safety.
[0014] 2. In this device, through the positioning component structure, when active winding is required, the locking nut can be loosened first through the position of the positioning component in the arc groove, and the position of the pawl can be moved along the arc groove to its bottom end through the connecting rod, thereby canceling the matching relationship between the ratchet and the pawl. At this time, the ratchet, the rotating rod and the gathering roller are all free to rotate, and then the user can drive through the handwheel on the side panel on the other side, and rotate the gathering roller to rotate, so as to gather the cable on the gathering roller and achieve the effect of active winding. Considering the problem of structural stability, the L-shaped turning groove structure opened on the side frame of this device can be movably clamped through the bottom slider structure of the connecting rod to facilitate the rotation of the slider.
[0015] 3. In this device, the new positioning component and protection component are matched and combined through the existing side frame to fix and actively gather the cables, merge the existing two sets of functional structures, and adjust them through the positioning component, so as to achieve the effect of reducing costs and increasing efficiency, and is suitable for various high-altitude operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is one of the structural diagrams of the utility model;
[0017] Figure 2 This is the second structural diagram of the utility model;
[0018] Figure 3 This is a structural breakdown diagram of the utility model;
[0019] Figure 4 This is a disassembled diagram of the outer shell and protective component structure of the utility model;
[0020] Figure 5 This is a structural disassembly diagram of the protection component of the utility model;
[0021] Figure 6 This is a structural disassembly diagram of the positioning component of the utility model;
[0022] Figure 7 It is a schematic diagram of the structure of the positioning component of the utility model.
[0023] Among them: 1. side frame; 11. rotating groove; 12. hand wheel; 2. focusing roller; 3. outer shell; 31. outer plate; 32. top plate; 33. arc groove; 34. ratchet; 35. rotating rod; 4. positioning assembly; 41. lifting block; 42. connecting rod; 43. locking nut; 44. slider; 5. protection assembly; 51. positioning block; 52. side connecting rod; 53. pawl; 54. connecting rod; 55. reset spring. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.
[0025] Embodiment:
[0026] like Figure 1-7 As shown, the utility model provides a high-altitude fall arrester with a winding function, including two sets of side frames 1, the two sets of side frames 1 are arranged opposite to each other, and a winding roller 2 is arranged between the two sets of side frames, a rotating groove 11 is opened on the outer side of one side frame 1, an outer shell 3 is fixed on the outer side of the side frame 1, and the outer shell 3 is composed of an outer plate 31 and a top plate 32 fixed to the top end of the outer side of the outer plate 31, a ratchet 34 is arranged in the middle of the outer plate 31, an arc groove 33 is opened in the middle of one side of the top plate 32, a positioning component 4 is arranged in the arc groove 33, and a protective component 4 is arranged on the outer side of the top of the top plate 32. Part 5, the protection component 5 includes a positioning block 51, a side connecting rod 52 fixed to the outside of the positioning block 51, a connecting rod 54 fixed to the bottom end of the side connecting rod 52 and a pawl 53 fixed to the bottom end of the connecting rod 54, a positioning hole structure is opened in the middle of the front end of the pawl 53, and a positioning component 4 is arranged in the positioning hole, the positioning component 4 includes a lifting block 41, a connecting rod 42 fixed to the bottom end of the lifting block 41, a locking nut 43 sleeved on the outside of the connecting rod 42 and a slider 44 fixed to the bottom end of the connecting rod 42, the slider 44 is arranged in the rotating groove 11, and the locking nut 4 3 is arranged at the top of the arc groove 33; through the structure of the outer shell 3, the internal rotating rod 35 can be connected and fixed to the focusing roller 2 and the ratchet 34 to form a combined structure, and the internal focusing roller 2 can be driven to rotate by the ratchet 34 inside. Due to the focusing roller 2 structure with active rotation function, the height position of the wearer can be changed, which is convenient for on-site use. Specifically, one end of the ratchet 34 is meshed and fixed with the pawl 53, so when the ratchet is engaged with it, the user can determine the position of the positioning component 4 to achieve the effect of the pawl 53. 3, the front end position of the pawl 53 engages with the ratchet 34, thereby stopping the rotation of the ratchet 34 (due to the fixed connection between the outer plate 31 and the side plate), which plays a positioning effect, and the position of the positioning component 4 can be rotated in the arc groove 33. When the front end of the pawl 53 is locked with the ratchet 34, the position of the connecting rod 42 in the arc groove 33 can be determined by the locking nut 43, so as to achieve a locking effect and improve safety; the rotating rod 35 passes through the side frames 1 on both sides and is fixedly connected to the middle part of the focusing roller 2, and the other end of the rotating rod 35 is fixedly connected to the hand wheel 12.
[0027] In other embodiments, the cross-section of the rotating groove is an L-shaped structure, and the rotating groove is composed of an upper and lower layer of groove body structure, and the inner diameter of the bottom groove body is larger than that of the top groove body; a rotating rod is fixed in the middle of the ratchet, and the rotating rod passes through the side frame and is fixedly connected to the middle of the focusing roller; a notch is opened at one end of the outer plate, and the ratchet is arranged in the notch; the new positioning component 4 and protection component 5 are matched and combined through the existing side frame 1 to fix and actively focus the focusing cable, merge the existing two sets of functional structures, and adjust through the positioning component 4, so as to achieve the effect of reducing costs and increasing efficiency, and are suitable for various high-altitude operations.
[0028] A return spring is sleeved on the outer side of the connecting rod, and the two ends of the return spring are fixedly connected to the side connecting rod and the pawl respectively; the connecting rod is a threaded rod structure, and the connecting rod is a slider combination into an L-shaped structure; the ratchet is sleeved on the outer side of the rotating rod; through the positioning component 4 structure, when active winding is required, the locking nut 43 can be loosened first through the position of the positioning component 4 in the arc groove 33, and the position of the pawl 53 can be moved toward its bottom end along the arc groove 33 through the connecting rod 42, and the matching relationship between the ratchet 34 and the pawl 53 is cancelled. At this time, the ratchet 34, the rotating rod 35 and the gathering roller 2 are all free to rotate, and then the user can drive it through the handwheel on the side panel on the other side, and the rotation drives the gathering roller 2 to rotate, and the cable is gathered on the gathering roller 2 to achieve the effect of active winding. Considering the problem of structural stability, the L-shaped rotating groove 11 structure opened on the side frame 1 of the present device can be movably clamped through the bottom slider 44 structure of the connecting rod 42, so as to facilitate the rotation of the slider 44.
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A high altitude fall arrester with a reeling function, comprising two sets of side frames (1), characterized in that: The two groups of side frames (1) are arranged opposite to each other, and a convergence roller (2) is arranged between the two groups. A rotation groove (11) is provided on the outer side of one side of the side frame (1). An outer shell (3) is fixed on the outer side of the side frame (1). The outer shell (3) is composed of an outer plate (31) and a top plate (32) fixed to the top end of the outer side of the outer plate (31). A ratchet (34) is arranged in the middle of the outer plate (31). An arc groove (33) is provided in the middle of one side of the top plate (32). A positioning component (4) is arranged in the arc groove (33). A protection component (5) is arranged on the outer side of the top end of the top plate (32). The protection component (5) includes a positioning block (51), a fixing member (52) and a fixing member (53). A side connecting rod (52) is fixed on the outside of the positioning block (51), a connecting rod (54) is fixed to the bottom end of the side connecting rod (52), and a pawl (53) is fixed to the bottom end of the connecting rod (54). A positioning hole structure is opened in the middle of the front end of the pawl (53), and a positioning component (4) is arranged in the positioning hole. The positioning component (4) includes a lifting block (41), a connecting rod (42) fixed to the bottom end of the lifting block (41), a locking nut (43) sleeved on the outside of the connecting rod (42), and a slider (44) fixed to the bottom end of the connecting rod (42). The slider (44) is arranged in the rotating groove (11), and the locking nut (43) is arranged at the top end of the arc groove (33).
2. The high-altitude fall arrester with a reeling function according to claim 1, characterized in that: The cross section of the rotating groove (11) is an L-shaped structure. The rotating groove (11) is composed of two layers of groove body structures, the upper and lower layers, and the inner diameter of the groove body at the bottom is larger than that of the groove body at the top.
3. The high-altitude fall arrester with a reeling function according to claim 1, characterized in that: A rotating rod (35) is fixed in the middle of the ratchet wheel (34), and the rotating rod (35) passes through the side frames (1) on both sides and is fixedly connected to the middle of the convergence roller (2), and the other end of the rotating rod (35) is fixedly connected to the hand wheel (12).
4. The high-altitude fall arrester with a reeling function according to claim 1, characterized in that: A notch is formed at one end of the outer plate (31), and the ratchet (53) is arranged in the notch.
5. The high-altitude fall arrester with a reeling function according to claim 1, characterized in that: A return spring (55) is sleeved on the outer side of the connecting rod (54), and two ends of the return spring (55) are fixedly connected to the side connecting rod (52) and the ratchet pawl (53) respectively.
6. The high-altitude fall arrester with a reeling function according to claim 1, characterized in that: The connecting rod (42) is a threaded rod structure, and the connecting rod (42) is combined with a slider (44) to form an L-shaped structure.
7. The high-altitude fall arrester with a reeling function according to claim 1, characterized in that: The ratchet wheel (34) is sleeved on the outer side of the rotating rod (35).