Elevator anti-falling device
By designing brake discs and braking mechanisms in elevators, the risk of elevator falls is eliminated, achieving elevator safety and preventing falls, thus protecting passenger safety.
Patent Information
- Application Number
- CN202422943485.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Elevators pose a risk of falling, threatening the lives of passengers.
An elevator anti-fall device was designed, including a brake disc, a braking mechanism, and a deceleration guide rail. The braking mechanism is activated when the elevator falls at high speed to limit the rotation of the brake disc and prevent the elevator car from falling.
Effectively prevents elevator falls and protects passenger safety by using a rapid braking mechanism and friction to slow down the elevator and avoid injuries caused by high-speed falls.
Smart Images
Figure CN223687885U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator technical field, specifically point to a kind of elevator anti-falling device. BACKGROUND
[0002] Elevator refers to serve in building several specific floors, its car runs in at least two columns vertical to level or with plumb line inclination angle less than 15 ° of rigid track movement permanent transport equipment, vertical lift has a car, runs in at least two columns vertical or inclination angle less than 15 ° between rigid guide rail. Car size and structural form facilitate passenger access or loading and unloading goods, since elevator is usually arranged in higher floor, therefore, the safety of elevator is crucial, once failure, it is very easy to have falling risk, to the passenger in elevator has brought serious life threat. SUMMARY
[0003] (I) technical problem solved
[0004] The technical problem to be solved by the utility model is that elevator is prone to falling risk, which greatly threatens the life safety of passengers.
[0005] (II) technical scheme
[0006] To solve the above technical problem, the utility model provides a technical scheme of elevator anti-falling device, which comprises an elevator car and two sides of corresponding arrangement of deceleration guide rail, the bottom surface of the elevator car is fixedly connected with two sides of corresponding arrangement of mounting plate, one side of the mounting plate is fixedly connected with a check ring, one side of the mounting plate is rotatably connected with a brake disc located in the check ring, the other side of the mounting plate is rotatably connected with a first linkage wheel synchronously rotating with the brake disc, both sides of the elevator car are fixedly connected with a support frame, the support frame is rotatably connected with a brake gear for driving the brake gear to rotate, a transmission belt is arranged between the first linkage wheel and the second linkage wheel, a fixed shaft is fixedly connected in the center of the brake disc, a brake mechanism matched with the brake disc is arranged on one side of the fixed shaft, and uniform arrangement of deceleration gear blocks matched with the gear is arranged on both sides of the deceleration guide rail.
[0007] As an improvement, the brake mechanism comprises a connecting rod fixedly connected to one side of the fixed shaft, a connecting sleeve is slidably sleeved on the outer wall of the connecting rod, a flinger is fixedly connected to one end of the connecting sleeve, not less than one brake check piece is fixedly connected to the inner wall of the check ring, a cavity is arranged in the connecting rod, sliding holes communicating with the cavity are arranged on both sides of the connecting rod, a sliding plate is slidably connected in the cavity, sliding blocks slidably connected in the sliding holes are fixedly connected between both ends of the sliding plate and the inner wall of the connecting sleeve, and a first spring is fixedly connected to the upper end of the sliding plate.
[0008] As improvement, one side of the connecting sleeve is fixedly connected with a fixed box, a fixed block extending into the fixed box is slidably inserted into the connecting sleeve, a second spring matched with the fixed block is fixedly connected in the fixed box, and a fixed socket matched with the fixed block is arranged on the upper end of the connecting rod.
[0009] As improvement, one end of the fixed block is rotatably connected with a sliding ball.
[0010] As improvement, one side of the speed reduction guide rail is provided with a groove matched with the tooth block, and a third spring matched with the tooth block is fixedly connected in the groove.
[0011] (Three) beneficial effects
[0012] Compared with the prior art, when the elevator falls from a high place, the gear rapidly rotates along the speed reduction guide rail, the brake disc detects that the falling speed is too fast, starts the brake mechanism to limit the brake disc, so that the brake disc cannot rotate, the gear cannot rotate, and thus the brake is realized, and the elevator car is prevented from falling. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is an explosion view of the elevator anti-falling device.
[0014] Figure 2 is a structural schematic view of the elevator anti-falling device.
[0015] Figure 3 is a structural schematic view of the brake disc of the elevator anti-falling device.
[0016] Figure 4 is a sectional view of the brake disc of the elevator anti-falling device.
[0017] Figure 5 is a sectional view of the connecting sleeve of the elevator anti-falling device.
[0018] As shown in the drawings: 1, elevator car; 2, speed reduction guide rail; 3, mounting plate; 4, check ring; 5, brake disc; 6, support frame; 7, gear; 8, speed reduction tooth block; 9, first linkage wheel; 10, second linkage wheel; 11, transmission belt; 12, fixed shaft; 13, connecting rod; 14, connecting sleeve; 15, flail block; 16, brake check piece; 17, groove; 18, third spring; 19, fixed box; 20, fixed block; 21, second spring; 22, sliding ball; 23, fixed socket; 24, sliding block; 25, sliding hole; 26, sliding plate; 27, first spring. DETAILED DESCRIPTION
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0020] like Figures 1 to 5 As shown, an elevator fall prevention device includes an elevator car 1 and deceleration guide rails 2 arranged on both sides. The bottom surface of the elevator car 1 is fixedly connected to mounting plates 3 arranged on both sides. A retaining ring 4 is fixedly connected to one side of the mounting plate 3. A brake disc 5 located inside the retaining ring 4 is rotatably connected to one side of the mounting plate 3. A first linkage wheel 9 that rotates synchronously with the brake disc 5 is rotatably connected to the other side of the mounting plate 3. Support frames 6 are fixedly connected to both sides of the elevator car 1. A brake gear 7 is rotatably connected inside the support frame 6. A second linkage wheel 10 that drives the brake gear 7 to rotate is rotatably connected to one side of the support frame 6. A transmission belt 11 is provided between the first linkage wheel 9 and the second linkage wheel 10.
[0021] A fixed shaft 12 is fixedly connected to the center of the brake disc 5. A brake mechanism that cooperates with the brake disc 5 is provided on one side of the fixed shaft 12. The brake mechanism includes a connecting rod 13 fixedly connected to one side of the fixed shaft 12. A connecting sleeve 14 is slidably sleeved on the outer wall of the connecting rod 13. A swing block 15 is fixedly connected to one end of the connecting sleeve 14. At least one brake pad 16 is fixedly connected to the inner wall of the retaining ring 4. A cavity is provided inside the connecting rod 13. Sliding holes 25 communicating with the cavity are provided on both sides of the connecting rod 13. A sliding plate 26 is slidably connected inside the cavity. A slider 24 that is slidably connected in the sliding holes 25 is fixedly connected between the two ends of the sliding plate 26 and the inner wall of the connecting sleeve 14. A first spring 27 is fixedly connected to the upper end of the sliding plate 26. Reduction gear blocks 8 that cooperate with the gear 7 are evenly arranged on both sides of the reduction guide rail 2. A groove 17 that cooperates with the gear blocks is provided on one side of the reduction guide rail 2. A third spring 18 that cooperates with the gear blocks is fixedly connected in the groove 17.
[0022] The connecting sleeve 14 is fixedly connected with a fixed box 19 on one side, the connecting sleeve 14 is slidably connected with a fixed block 20 extending into the fixed box 19, the fixed box 19 is fixedly connected with a second spring 21 matched with the fixed block 20, the connecting rod 13 is provided with a fixed socket 23 matched with the fixed block 20 on the upper end, the fixed block 20 is rotatably connected with a sliding ball 22 on one end, under the action of centrifugal force, the flail 15 pulls the connecting sleeve 14 to slide upwards along the outer wall of the connecting rod 13, so that the flail 15 is arranged between the brake flaps 16 on both sides, and the fixed block 20 is moved to one side of the fixed socket 23, under the restoring force of the second spring 21, the fixed block 20 is inserted into the fixed socket 23, so that the position of the connecting sleeve 14 is fixed, and the connecting sleeve 14 is prevented from returning.
[0023] In specific use, during the descending process of the elevator, the gears 7 on both sides roll downwards along the deceleration guide rails 2 on both sides, the gears 7 drive the second linkage wheel 10 to rotate, the second linkage wheel 10 drives the first linkage wheel 9 to rotate through the transmission belt 11, and the first linkage wheel 9 drives the brake disc 5 to rotate, when the elevator suddenly descends, due to the lack of pulling force, the elevator can descend at high speed, so that the brake disc 5 rotates at high speed, under the action of centrifugal force, the connecting sleeve 14 slides outwards along the outer wall of the connecting rod 13, the connecting sleeve 14 drives the sliding blocks 24 on both sides to slide along the sliding holes 25, so that the centrifugal force overcomes the elastic force of the first spring 27, and the first spring 27 is compressed to deform, the flail 15 extends to between the two brake flaps 16, under the rotation of the brake disc 5, the flail 15 abuts against one side of the brake flap 16, so that the brake disc 5 cannot rotate, the brake disc 5 stops rotating, so that the gears 7 cannot rotate, the outer wall of the gears 7 continuously presses the deceleration gear 7 to slide into the groove 17, and the third spring 18 is compressed to deform, so that the elevator car 1 is prevented from suddenly stopping to cause harm to passengers, under the elastic force of the third spring 18 and the friction force between the deceleration gear 7 and the gears 7, the speed of the elevator car 1 is gradually reduced and finally stopped, so that the high-speed falling of the elevator is prevented.
[0024] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.
[0025] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0026] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.
[0027] The above description of the present application and its embodiments has been described, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creating a similar structure and embodiment of the technical solution, which should belong to the protection scope of the present application.
Claims
1. An elevator anti-falling device, comprising an elevator car (1) and two sides of the corresponding arrangement of deceleration guide rails (2), characterized in that: The bottom surface of the elevator car (1) is fixedly connected with two sides of the corresponding arrangement of mounting plates (3), one side of the mounting plate (3) is fixedly connected with a check ring (4), one side of the mounting plate (3) is rotatably connected with a brake disc (5) located in the check ring (4), the other side of the mounting plate (3) is rotatably connected with a first linkage wheel (9) which rotates synchronously with the brake disc (5), both sides of the elevator car (1) are fixedly connected with a support frame (6), the support frame (6) is rotatably connected with a brake gear (7) inside, one side of the support frame (6) is rotatably connected with a second linkage wheel (10) which drives the brake gear (7) to rotate, a transmission belt (11) is arranged between the first linkage wheel (9) and the second linkage wheel (10), a fixed shaft (12) is fixedly connected at the center of the brake disc (5), one side of the fixed shaft (12) is provided with a brake mechanism matched with the brake disc (5), and the two sides of the deceleration guide rail (2) are provided with uniformly arranged deceleration tooth blocks (8) matched with the gear (7).
2. An elevator anti-falling device according to claim 1, characterized in that: The brake mechanism comprises a connecting rod (13) fixedly connected to one side of the fixed shaft (12), a connecting sleeve (14) slidably sleeved on the outer wall of the connecting rod (13), a flinger (15) fixedly connected to one end of the connecting sleeve (14), not less than one brake flake (16) fixedly connected to the inner wall of the check ring (4), a cavity provided in the connecting rod (13), sliding holes (25) provided on both sides of the connecting rod (13) and communicating with the cavity, a sliding plate (26) slidably connected in the cavity, sliding blocks (24) fixedly connected between both ends of the sliding plate (26) and the inner wall of the connecting sleeve (14) and slidably connected in the sliding holes (25), and a first spring (27) fixedly connected to the upper end of the sliding plate (26).
3. An elevator anti-falling device according to claim 2, characterized in that: One side of the connecting sleeve (14) is fixedly connected with a fixed box (19), a fixed block (20) slidably inserted into the connecting sleeve (14) extends into the fixed box (19), a second spring (21) fixedly connected with the fixed block (20) is fixedly connected in the fixed box (19), and a fixed jack (23) matched with the fixed block (20) is arranged on the upper end of the connecting rod (13).
4. An elevator anti-falling device according to claim 3, characterized in that: One end of the fixed block (20) is rotatably connected with a sliding ball (22).
5. The elevator anti-falling device according to claim 1, characterized in that: One side of the deceleration guide rail (2) is provided with a groove (17) matched with the tooth block, and a third spring (18) matched with the tooth block is fixedly connected in the groove (17).