Buffering safety type falling protector
By designing a buffer-locking protection mechanism and a line retraction mechanism, the buffer-safe fall arrestor solves the problems of injury to users caused by inertial sudden stops and reduced durability of the safety rope, thus improving both safety and convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-24
AI Technical Summary
Existing fall arrestors are prone to causing injury to users when they encounter danger due to sudden stops caused by inertia. Furthermore, the durability of the safety rope decreases after prolonged use, resulting in irregular damage and posing a safety hazard.
A buffer-type safety fall arrestor was designed, which includes a buffer locking protection mechanism and a line retraction mechanism. The buffer spring and limit block provide buffering during inertial emergency stop to prevent injury to the user, and the return spring and locking fixing gear automatically reset after emergency stop to prevent damage to the safety rope.
It effectively prevents users from being injured during emergency stops, extends the service life of the safety rope, reduces safety hazards, and improves the ease of use and safety of the device.
Smart Images
Figure CN224024085U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of buffering safety type's fall arresters technical field, specifically a kind of buffering safety type's fall arresters. BACKGROUND
[0002] Fall arrester is also called speed difference device, which is a protective product that can quickly brake and lock the falling object within a limited distance, suitable for cargo hoisting, protecting the life safety of ground operators and preventing damage to the hoisted workpiece object. Fall arrester uses the speed difference of the falling object for self-control, and is used high and low. With the popularization of fall arrester, optimizing the performance of fall arrester has become the main target to overcome.
[0003] However, most of the existing fall arresters on the market can cause harm to the user due to inertia when they are in danger and perform clamping, which reduces the user experience of the fall arrester. Long-term inertia and sudden stop can reduce the durability of the safety rope, and after long-term use, irregular damage may occur on the safety rope, posing a safety hazard. UTILITY MODEL CONTENTS
[0004] The utility model provides a kind of buffering safety type's fall arrester, can effectively solve the problem that most of the user experience of the fall arrester is reduced due to the harm caused by inertia when they are in danger and perform clamping in the above background art, and the durability of the safety rope is reduced due to long-term inertia and sudden stop. After long-term use, irregular damage may occur on the safety rope, posing a safety hazard.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of buffering safety type's fall arrester, including protective shell, the buffer clamping protection mechanism is placed in the inside of the protective shell;
[0006] The buffer clamping protection mechanism includes a wire box, a wire roller, a connecting frame, a buffer rod, a limiting groove seat, a buffer spring, a push-in clamping seat, a rotating shaft, a fixed stake, a turnover seat, a limiting clamping block and a return spring.
[0007] The wire box is placed inside the protective shell, two wire rollers are clamped inside the wire box, a connecting frame is welded to the top end of the wire box, a buffer rod is welded to the top end of the connecting frame, a limiting groove seat is welded inside the protective shell, a buffer spring is clamped inside the limiting groove seat, a push-in clamping seat is welded to one end of the wire box, a rotating shaft is welded to the bottom end of the limiting groove seat on one end surface inside the protective shell, a fixed stake is welded to the top end of the rotating shaft on one end surface inside the protective shell, a turnover seat is sleeved outside the rotating shaft inside the protective shell, a limiting clamping block is welded to one end of the turnover seat, and a return spring is connected to one end of the fixed stake.
[0008] Preferably, the other end of the reset spring is connected with one end of the inside of the turnover seat, one end of the limiting block is clamped in the inside of the pushing block, and the shape of the turnover seat presents two ends high and middle low.
[0009] Preferably, one end of the buffer rod is slidably embedded in the inside of the limiting groove seat, the surface of one end of the buffer rod is connected with the buffer spring, and the diameters of the two wire rollers are large and small.
[0010] Preferably, the inside of the protective shell is connected with a take-up mechanism.
[0011] The take-up mechanism comprises a wire roller, a clamped fixed gear, a fixed rope, a buffer roller, a connecting ring, a fixed hook, a closed cover, a power spring, a rotating shaft sleeve, limiting folding teeth, inner clamping teeth and an extension tooth rod.
[0012] The inside of the protective shell is connected with the wire roller, one end of the wire roller is clamped with the rotating shaft sleeve, the inside of the rotating shaft sleeve is clamped with a plurality of limiting folding teeth, the inside of the rotating shaft sleeve is clamped with the inner clamping teeth, one end of the inner clamping teeth is welded with the extension tooth rod, the surface of one end of the wire roller is welded with the clamped fixed gear, the other end of the wire roller is wound with the power spring, the inside of the wire roller is wound with the fixed rope, the bottom end of the rotating shaft of the inside of the protective shell is clamped with two buffer rollers, the bottom end of the fixed rope is connected with the connecting ring, the top end of the protective shell is welded with the fixed hook, and the surface of one end of the protective shell is clamped with the closed cover.
[0013] Preferably, the bottom end of the fixed rope sequentially passes through the two wire rollers and the two buffer rollers, and the outside diameter of the wire roller is larger than the outside diameter of the clamped fixed gear.
[0014] Preferably, one end of the inner clamping teeth is welded with the wire roller, one end of the rotating shaft sleeve is welded with the inside surface of the protective shell, the plurality of tooth openings of the tooth surface of the clamped fixed gear are obliquely arranged, and the limiting block is engaged with the tooth opening of the clamped fixed gear.
[0015] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, safe and convenient to use,
[0016] 1. The wire box, the wire roller, the connecting frame, the buffer rod, the limiting groove seat and the buffer spring are arranged, buffer can be provided in the emergency stop after the user loses and drops, the user can be prevented from being injured, and long-time inertia emergency stop can damage the clamped fixing device in the device, thereby causing a safety hazard to the user, and after a plurality of emergency stops, the safety rope can also reduce the durability, the rope body can be damaged in multiple places, and a safety hazard can also be caused.
[0017] 2, the setting has the pivot, the fixed stake, the turnover seat, the limit card block and the reset spring, can when the user's line speed is too fast, to line roll carries on the card embedding, make the device no longer line, can when the safety rope is not by external force, the internal device resets through the spring, make the device use more convenient.
[0018] 3, the setting has the line roll, the card embedding fixed gear, the fixed rope, the retardation cylinder, the connecting ring, the fixed hook, the closure cover and the power spring, can after use, automatically collect the line, can after the device internal fault, quickly repair and check, can increase the device use convenience. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application.
[0020] In the drawings:
[0021] Figure 1 is the three-dimensional structure schematic diagram of the present application;
[0022] Figure 2 is the power spring installation structure schematic diagram of the present application;
[0023] Figure 3 is the buffer card embedding protection mechanism structure schematic diagram of the present application;
[0024] Figure 4 is the take-up and pay-off mechanism structure schematic diagram of the present application;
[0025] Figure 5 is the rotating shaft sleeve section structure schematic diagram of the present application;
[0026] Marked in the figure: 1, protective shell;
[0027] 2, buffer card embedding protection mechanism;201, wire box;202, wire rolling cylinder;203, connecting frame;204, buffer rod;205, limit groove seat;206, buffer spring;207, push card seat;208, rotating shaft;209, fixed stake;210, turnover seat;211, limit card block;212, reset spring;
[0028] 3, take-up and pay-off mechanism;301, line roll;302, card embedding fixed gear;303, fixed rope;304, retardation cylinder;305, connecting ring;306, fixed hook;307, closure cover;308, power spring;309, rotating shaft sleeve;310, limit folding tooth;311, inner card tooth;312, extension dial tooth rod. DETAILED DESCRIPTION
[0029] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.
[0030] Embodiment: as Figures 1-5 The utility model provides a kind of technical scheme, a buffer safety type's anti-falling device, including protective shell 1, protective shell 1 inside is placed with buffer card embedding protection mechanism 2;
[0031] Buffer card embedding protection mechanism 2 includes twisted wire box 201, twisted wire roller 202, connecting frame 203, buffer rod 204, limiting groove seat 205, buffer spring 206, push card seat 207, pivot 208, fixed pile 209, turnover seat 210, limiting card block 211 and reset spring 212;
[0032] To provide buffer protection for device, protective shell 1 inside is placed with twisted wire box 201, two twisted wire rollers 202 are embedded in the inside of twisted wire box 201, connecting frame 203 is welded at the top of twisted wire box 201, buffer rod 204 is welded at the top of connecting frame 203, limiting groove seat 205 is welded in the inside of protective shell 1, buffer spring 206 is embedded in the inside of limiting groove seat 205, one end of buffer rod 204 is slidably embedded in the inside of limiting groove seat 205, the surface of one end of buffer rod 204 is connected with buffer spring 206, the diameter of two twisted wire rollers 202 is big and small, push card seat 207 is welded at one end of twisted wire box 201, pivot 208 is welded on the surface of one end of protective shell 1 at the bottom of limiting groove seat 205, fixed pile 209 is welded on the surface of one end of protective shell 1 at the top of pivot 208, turnover seat 210 is sleeved on the outside of pivot 208 in the inside of protective shell 1, limiting card block 211 is welded at one end of turnover seat 210, reset spring 212 is connected at one end of fixed pile 209, the other end of reset spring 212 is connected with one end of the inside of turnover seat 210, one end of limiting card block 211 is embedded in the inside of push card seat 207, the shape of turnover seat 210 presents two ends high and middle low;
[0033] Protective shell 1 is connected with take-up mechanism 3 in the inside;
[0034] Take-up mechanism 3 includes line roll 301, embedded fixed gear 302, fixed rope 303, buffer roller 304, connecting ring 305, fixed hook 306, closure cover 307, power spring 308, rotating shaft sleeve 309, limiting folding tooth 310, inner card tooth 311 and extension dialing tooth rod 312;
[0035] In order to make the device more convenient for maintenance and maintenance, the inside of the protective shell 1 is connected with the wire roll 301, one end of the wire roll 301 is clamped with the rotating shaft sleeve 309, a plurality of limiting folding teeth 310 are clamped in the inside of the rotating shaft sleeve 309, the inside of the rotating shaft sleeve 309 is clamped with the inner clamping tooth 311, one end of the inner clamping tooth 311 is welded with the extension tooth lever 312, the outer surface of one end of the wire roll 301 is welded with the clamping fixed gear 302, the other end of the wire roll 301 is wound with the power spring 308, the inside of the wire roll 301 is wound with the fixed rope 303, the inside of the protective shell 1 is clamped with two speed cylinders 304 at the bottom end of the rotating shaft 208, the bottom end of the fixed rope 303 passes through two wire rollers 202 and two speed cylinders 304 in sequence, the outer diameter of the wire roll 301 is greater than the outer diameter of the clamping fixed gear 302, the bottom end of the fixed rope 303 is connected with the connecting ring 305, the top end of the protective shell 1 is welded with the fixed hook 306, one end surface of the protective shell 1 is clamped with the sealing cover 307, one end of the inner clamping tooth 311 is welded with the wire roll 301, one end of the rotating shaft sleeve 309 is welded with the inside surface of the protective shell 1, the tooth surface of the clamping fixed gear 302 is inclined at an angle, and the limiting block 211 is engaged with the tooth gap of the clamping fixed gear 302.
[0036] The working principle and use process of the utility model: first, the operator fixes the device at a high place through the fixed hook 306 welded at the top end, then the operator fixes the hook carried by himself outside the connecting ring 305, then the operator can carry out subsequent high-altitude operation, when the operator falls off, the wire roll 301 will rotate quickly because the fixed rope 303 is pulled, the inner clamping tooth 311 inside the wire roll 301 will also rotate quickly, the extension tooth lever 312 welded with the inner clamping tooth 311 will also rotate quickly, the extension tooth lever 312 will be thrown from the folded state to the straight state due to the centrifugal force, the straightened extension tooth lever 312 will be pushed, the limiting folding tooth 310 clamped in the rotating shaft sleeve 309 will be engaged with the inner clamping tooth 311 and the wire roll 301 stops rotating, so that the effect of protecting the user is achieved, and after the user finds the stress point, the power spring 308 will reel after the tension of the fixed rope 303 disappears, the wire roll 301 drives the inner clamping tooth 311 to rotate reversely, the limiting folding tooth 310 and the extension tooth lever 312 are reset, and the device can be used again.
[0037] Meanwhile, the fixed rope 303 will increase the traction force on the wire roller 202 inside the wire box 201, during which the wire box 201 will pull the buffer rod 204 at the top end of the wire box 201, so that the buffer rod 204 slides inside the limiting groove seat 205, and the buffer spring 206 inside the limiting groove seat 205 can reduce the inertia caused by the sudden stop of the fixed rope 303, and can reduce the probability of injury to the operator during use, and then the pushing seat 207 welded at one end of the wire box 201 will push the turnover seat 210, and the turnover seat 210 will be turned up due to the shaft 208, and the limiting block 211 welded at one end of the turnover seat 210 will be embedded in the embedded fixed gear 302, so that the embedded fixed gear 302 stops rotating, and the embedded fixed gear 302 can limit the rotation of the wire roller 301. By buffering the sudden stop, the user can be prevented from being injured, and long-term inertia sudden stop will damage the embedded fixing device inside the device, thereby causing safety hazards to the user, and after many sudden stops, the safety rope will also reduce the durability, and the rope body will be damaged in many places, which will also cause safety hazards. Two limiting positions make the protection more comprehensive.
[0038] When the operator finds the stress point again, the fixed rope 303 is no longer tight, and then the fixed rope 303 will first lose the traction force on the wire roller 202, at which time the buffer spring 206 inside the limiting groove seat 205 will push the buffer rod 204, so that the buffer rod 204 pushes the wire box 201, and then the wire box 201 will drive the pushing seat 207 to translate backward, so that the pushing seat 207 loses the limiting of the turnover seat 210, at which time the turnover seat 210 will be pulled by the reset spring 212 at one end of the fixed stake 209 to reset the turnover seat 210, so that the limiting block 211 at one end of the turnover seat 210 is separated from the tooth gap of the embedded fixed gear 302, so that the device returns to normal.
[0039] Finally, it should be noted that: the above is only a preferred example of the present application and does not limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A cushioned safety fall arrestor, comprising a protective shell (1), characterized in that: A buffer snap-fit protection mechanism (2) is placed inside the protective shell (1); The buffer clamping protection mechanism (2) includes a stranded wire box (201), a stranded wire roller (202), a connecting frame (203), a buffer rod (204), a limiting slot seat (205), a buffer spring (206), a pusher seat (207), a rotating shaft (208), a fixing post (209), a flipping seat (210), a limiting block (211), and a return spring (212); A stranded wire box (201) is placed inside the protective shell (1). Two stranded wire rollers (202) are embedded inside the stranded wire box (201). A connecting frame (203) is welded to the top of the stranded wire box (201). A buffer rod (204) is welded to the top of the connecting frame (203). A limiting slot (205) is welded to the inside of the protective shell (1). A buffer spring (206) is embedded inside the limiting slot (205). A pusher is welded to one end of the stranded wire box (201). The card holder (207) has a rotating shaft (208) welded to the bottom end of the limiting groove seat (205) on one side of the inner surface of the protective shell (1). A fixing post (209) is welded to the top end of the rotating shaft (208) on one side of the inner surface of the protective shell (1). A flipping seat (210) is sleeved on the outer side of the rotating shaft (208) on the inner side of the protective shell (1). A limiting block (211) is welded to one end of the flipping seat (210). A reset spring (212) is connected to one end of the fixing post (209).
2. The cushioned safety fall arrestor according to claim 1, characterized in that, The other end of the reset spring (212) is connected to one end of the inner side of the flip seat (210), and one end of the limiting block (211) is embedded in the inner side of the push seat (207). The flip seat (210) has a shape that is high at both ends and low in the middle.
3. A cushioned safety fall arrestor according to claim 1, characterized in that, One end of the buffer rod (204) is slidably embedded in the inner side of the limiting groove seat (205), and the surface of one end of the buffer rod (204) is connected to the buffer spring (206). The diameters of the two stranded rollers (202) are different sizes.
4. A cushioned safety fall arrestor according to claim 1, characterized in that, The protective shell (1) is connected to a wire take-up and take-down mechanism (3) on its inner side; The take-up and release mechanism (3) includes a line roller (301), a locking and fixing gear (302), a fixing rope (303), a slowing roller (304), a connecting ring (305), a fixing hook (306), a closing cover (307), a power spring (308), a rotating bushing (309), a limiting folding tooth (310), an inner locking tooth (311), and an extension toothed rod (312); The protective shell (1) has a wire roller (301) connected to its inner side. One end of the wire roller (301) is fitted with a rotating bushing (309). The rotating bushing (309) has several limiting folding teeth (310) fitted inside its inner side. The rotating bushing (309) also has an inner locking tooth (311) fitted inside its inner side. One end of the inner locking tooth (311) is welded with an extension tooth lever (312). A locking and fixing gear (302) is welded to the outer surface of one end of the wire roller (301). The other end of the roller (301) is wound with a power spring (308), the inner side of the roller (301) is wound with a fixing rope (303), the inner side of the protective shell (1) is fitted with two slow rollers (304) at the bottom of the rotating shaft (208), the bottom end of the fixing rope (303) is connected with a connecting ring (305), the top of the protective shell (1) is welded with a fixing hook (306), and one end of the protective shell (1) is fitted with a sealing cap (307).
5. A cushioned safety fall arrestor according to claim 4, characterized in that, The bottom end of the fixing rope (303) passes through two stranded rollers (202) and two slow rollers (304) in sequence, and the outer diameter of the roller (301) is larger than the outer diameter of the locking fixing gear (302).
6. A cushioned safety fall arrestor according to claim 4, characterized in that, One end of the inner locking tooth (311) is welded to the wire roller (301), one end of the rotating bushing (309) is welded to the inner surface of the protective shell (1), several tooth openings of the tooth surface of the locking fixed gear (302) are inclined, and the limiting block (211) meshes with the tooth openings of the locking fixed gear (302).