Safety elevator with falling locking function

Abstract

The utility model provides a safety elevator with a falling locking function, which comprises a hoistway, an elevator car movably mounted in the hoistway, a lifting steel wire rope fixedly connected to the top of the elevator car, a speed sensor fixedly mounted on the top of the elevator car, and a limiting component arranged on the outer surface of the rear end of the elevator car. The speed reduction assembly is arranged in the limiting assembly, the blocking assembly is arranged in the hoistway, and the buffering assembly is arranged on the surface of the blocking assembly. According to the safety elevator with the falling locking function, when the elevator car falls rapidly, the speed sensor senses that the running speed of the elevator car is increased, a signal is transmitted to the controller, the speed reduction assembly is controlled to be started through the controller, and therefore one end of the speed reduction assembly makes contact with the inner surface of the limiting assembly, and the falling locking function is achieved. And the stopping assembly starts to rotate, the elevator car is prevented from continuing to fall, meanwhile, the buffering assembly can conduct buffering and damping on the elevator car, and harm to human bodies caused by sudden stop is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a safety elevator with a falling lock. Background Art

[0002] The elevator is connected to the car and counterweight at both ends through the traction rope, which is wrapped around the traction wheel and guide wheel. The traction motor drives the traction wheel to rotate after the speed is changed by the reducer. The traction force generated by the friction between the traction rope and the traction wheel is used to realize the lifting and lowering movement of the car and counterweight to achieve the transportation purpose.

[0003] When the car and the counterweight are extremely unbalanced, the brake is not adjusted properly, the brake shoes are severely worn, and the traction sheave rope groove is severely worn, the elevator may fall rapidly. During the rapid fall of the elevator, inertia and gravity acceleration may cause the human body to collide with the top of the elevator, thus affecting personal safety.

[0004] Therefore, it is necessary to provide a safety elevator with a fall-down locking device to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model provides a safety elevator with a falling lock, which solves the problem that people may hit the top of the elevator due to the high speed during the falling process of the elevator, thus affecting personal safety.

[0006] In order to solve the above technical problems, the utility model provides a safety elevator with a fall lock, comprising: a hoistway, an elevator car is movably installed inside the hoistway, a lifting wire rope is fixedly connected to the top of the elevator car, and a speed sensor is fixedly installed on the top of the elevator car;

[0007] A limit assembly, the limit assembly being arranged on the outer surface of the rear end of the elevator car;

[0008] A deceleration component, wherein the deceleration component is arranged inside the limiting component;

[0009] A blocking component, the blocking component is arranged inside the well;

[0010] A buffer component is arranged on the surface of the blocking component.

[0011] Preferably, the limiting assembly comprises a guide rail, the guide rail is fixedly mounted on the inner surface of the rear end of the hoistway, a sliding block is movably connected inside the guide rail, and the sliding block is fixedly connected to the outer surface of the rear end of the elevator car.

[0012] Preferably, the deceleration assembly includes a bidirectional electric telescopic rod, which is fixedly installed inside the sliding block, and both ends of the bidirectional electric telescopic rod are movably connected with push-pull rods, and the other end of the push-pull rod is movably connected with a deceleration wheel, and the deceleration wheel is movably connected to the inner surface of the guide rail.

[0013] Preferably, the blocking assembly includes a baffle, one end of which is movably connected to the surfaces at both ends of the interior of the well, and a hydraulic rod is movably connected to the surface of the baffle near the other end, and the other end of the hydraulic rod is movably connected to the inner surfaces at both ends of the well.

[0014] Preferably, the buffer assembly includes a shock absorber, one end of the shock absorber is fixedly connected to the surface of the baffle, and the other end of the shock absorber is fixedly connected to the buffer plate.

[0015] Preferably, a protection component is provided inside the elevator car, and the protection component includes a sloping top beam, the sloping top beam is fixedly connected to the inner surface of the top of the elevator car, and a safety airbag is fixedly installed inside the sloping top beam.

[0016] Compared with the related art, the safety elevator with fall lock provided by the utility model has the following beneficial effects:

[0017] The utility model provides a safety elevator with a falling lock. When the elevator car falls rapidly, the speed sensor senses that the running speed of the elevator car is accelerated, and transmits a signal to the controller, and the controller controls the deceleration component to start, so that one end of the deceleration component contacts the inner surface of the limit component, thereby reducing the falling speed, and the blocking component starts to rotate to prevent the elevator car from continuing to fall. At the same time, the buffer component can buffer and reduce shock to the elevator car, thereby reducing the harm to people caused by sudden stops. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a first embodiment of a safety elevator with a fall lock provided by the utility model;

[0019] Figure 2 for Figure 1 The side cross-sectional structural schematic diagram shown;

[0020] Figure 3 for Figure 2 An enlarged schematic diagram of part A is shown;

[0021] Figure 4 for Figure 2 An enlarged schematic diagram of part B is shown;

[0022] Figure 5The present invention is a schematic structural diagram of a second embodiment of a safety elevator with a fall lock provided by the present invention.

[0023] Numbers in the figure: 1, hoistway, 2, elevator car, 3, lifting wire rope, 4, speed sensor,

[0024] 5. Limiting assembly, 51. Guide rail, 52. Sliding block,

[0025] 6. Speed ​​reduction assembly, 61. Two-way electric telescopic rod, 62. Push-pull rod, 63. Speed ​​reduction wheel,

[0026] 7. Blocking assembly, 71. Baffle, 72. Hydraulic rod,

[0027] 8. Buffer assembly, 81. Shock absorber, 82. Buffer plate,

[0028] 9. Protection components, 91. Sloped top beam, 92. Airbag. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0030] First embodiment

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a safety elevator with a fall lock provided by the utility model; Figure 2 for Figure 1 The side cross-sectional structural schematic diagram shown; Figure 3 for Figure 2 An enlarged schematic diagram of part A is shown; Figure 4 for Figure 2 The enlarged schematic diagram of part B is shown. A safety elevator with a fall lock comprises: a hoistway 1, an elevator car 2 is movably installed inside the hoistway 1, a lifting wire rope 3 is fixedly connected to the top of the elevator car 2, and a speed sensor 4 is fixedly installed on the top of the elevator car 2;

[0032] A limit assembly 5, wherein the limit assembly 5 is arranged on the outer surface of the rear end of the elevator car 2;

[0033] A deceleration component 6, wherein the deceleration component 6 is arranged inside the limiting component 5;

[0034] A blocking component 7, wherein the blocking component 7 is arranged inside the hoistway 1;

[0035] The buffer component 8 is arranged on the surface of the blocking component 7.

[0036] The function of the lifting wire rope 3 is to drive the elevator car 2 to move up and down by driving it through the elevator. The function of the speed sensor 4 is to sense the running speed of the elevator car 2. When the running speed of the elevator car 2 is too fast, it will convey the signal to the controller for control. The function of the limit component 5 is to limit the position. The function of the deceleration component 6 is to reduce the falling speed of the elevator car 2 when the elevator car 2 falls. The function of the blocking component 7 is to block and stop the elevator car 2. The function of the buffer component 8 is shock absorption and buffering.

[0037] The limiting assembly 5 includes a guide rail 51 , which is fixedly mounted on the inner surface of the rear end of the shaft 1 , and a sliding block 52 is movably connected inside the guide rail 51 , and the sliding block 52 is fixedly connected to the outer surface of the rear end of the elevator car 2 .

[0038] There are two guide rails 51, and two sliding blocks 52 are embedded inside each guide rail 51. The two sets of sliding blocks 52 are respectively fixedly connected to the rear ends of the elevator car 2 near the left and right ends. When the elevator car 2 moves up and down, the elevator car 2 is prevented from shaking, thereby achieving the role of limiting.

[0039] The deceleration assembly 6 includes a bidirectional electric telescopic rod 61, which is fixedly installed inside the sliding block 52. Both ends of the bidirectional electric telescopic rod 61 are movably connected with push-pull rods 62, and the other end of the push-pull rod 62 is movably connected with a deceleration wheel 63. The deceleration wheel 63 is movably connected to the inner surface of the guide rail 51.

[0040] A deceleration assembly 6 is provided inside each limit assembly 5. There are two telescopic rods in the two-way electric telescopic rod 61, and each deceleration assembly 6 includes two push-pull rods 62. One end of the two push-pull rods 62 is rotatably connected to the outer end of the two telescopic rods. The deceleration wheel 63 is composed of a roller installed rotatably inside the block. The other ends of the two push-pull rods 62 are rotatably connected to the outer surface of the block. When the elevator car 2 falls, the controller controls the two-way electric telescopic rod 61 to retract inward, and the push-pull rod 62 pushes the deceleration wheel 63 to move outward and connect to the inner surface of the guide rail 51, thereby achieving the deceleration effect.

[0041] The blocking assembly 7 includes a baffle 71, one end of which is movably connected to the surfaces at both ends of the inside of the well 1, and the surface of the baffle 71 close to the other end is movably connected to a hydraulic rod 72, and the other end of the hydraulic rod 72 is movably connected to the inner surfaces at both ends of the well 1.

[0042] A groove is provided at both ends of the shaft 1 on each floor, one end of the baffle 71 is rotatably connected to the inside of the two grooves, and the other ends of the two hydraulic rods 72 are rotatably connected to the inside of the two grooves, and one end is rotatably connected to the bottom of the other end of the baffle 71 when it is in a horizontal state. Through the extension and rotation of the hydraulic rod 72, the baffle 71 is driven to rotate to support the elevator car 2.

[0043] The buffer assembly 8 includes a shock absorber 81 , one end of which is fixedly connected to the surface of the baffle 71 , and the other end of which is fixedly connected to a buffer plate 82 .

[0044] When the baffle 71 is in a horizontal state, the shock absorber 81 is fixedly connected to the surface of the top of the baffle 71, and there are multiple shock absorbers 81, and the buffer plate 82 is fixedly connected to the top of the shock absorber 81. When the elevator car 2 falls to the top of the buffer plate 82, the shock absorber 81 plays a role of shock absorption and buffering.

[0045] The working principle of a safety elevator with fall locking provided by the utility model is as follows:

[0046] When the elevator car 2 suddenly falls, the speed sensor 4 senses that the running speed of the elevator car 2 has accelerated, and transmits the signal to the controller. The controller controls the two-way electric telescopic rod 61 to start, and the two-way electric telescopic rod 61 drives one end of the two push-pull rods 62 to retract inward, the angle of the push-pull rod 62 changes, and the other end pushes the reduction wheel 63 outward. The surface of the reduction wheel 63 is connected and rubbed with the inner surface of the guide rail 51, thereby achieving the effect of slowing down the elevator car 2. In this process, the controller controls the hydraulic rod 72 in the nearest layer of the elevator car 2 to extend and rotate outward, and one end pushes the baffle 71 to rotate outward to a horizontal state. The elevator car 2 slowly moves downward to the buffer plate 82 on the top of the baffle 71, stopping the elevator car 2, and the shock absorber 81 reduces the vibration caused by the impact force of the elevator car 2.

[0047] Compared with the related art, the safety elevator with fall lock provided by the utility model has the following beneficial effects:

[0048] The utility model provides a safety elevator with a falling lock. When the elevator car 2 falls rapidly, the speed sensor 4 senses that the running speed of the elevator car 2 is accelerated, and transmits a signal to the controller, and the deceleration component 6 is started by the controller, so that one end of the deceleration component 6 contacts the inner surface of the limit component 5, thereby reducing the falling speed, and the blocking component 7 starts to rotate to prevent the elevator car 2 from continuing to fall. At the same time, the buffer component 8 can buffer and reduce shock to the elevator car 2, thereby reducing the harm to people caused by sudden stops.

[0049] Second embodiment

[0050] Please refer to Figure 5 Based on the safety elevator with a fall lock provided by the first embodiment of the present application, the second embodiment of the present application proposes another safety elevator with a fall lock. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0051] Specifically, the second embodiment of the present application provides a safety elevator with a fall lock, which is different in that a protection component 9 is provided inside the elevator car 2, and the protection component 9 includes a sloped top beam 91, and the sloped top beam 91 is fixedly connected to the inner surface of the top of the elevator car 2, and a safety airbag 92 is fixedly installed inside the sloped top beam 91.

[0052] The surface at the bottom of the inclined top beam 91 is a conical surface. There are two airbags 92, which are respectively installed inside the two inclined surfaces of the inclined top beam 91. When the elevator car 2 falls rapidly, the controller controls the airbag 92 to open, and the airbag inside the airbag 92 is inflated and popped out.

[0053] The working principle of a safety elevator with fall locking provided by the utility model is as follows:

[0054] When the elevator car 2 suddenly falls, the controller controls the airbag 92 to open, and the airbag inside the airbag 92 impacts and pops out from the inside of the inclined top beam 91, and the human body hits the surface of the airbag, which has good elasticity and cushioning properties, thereby reducing personal injury.

[0055] Compared with the related art, the safety elevator with fall lock provided by the utility model has the following beneficial effects:

[0056] The utility model provides a safety elevator with a falling lock. A protection component 9 is arranged on the top of the elevator car 2. When the elevator car 2 falls rapidly, the airbag 92 can be opened to have a buffering effect and reduce the risk of people hitting the surface of the elevator car 2 and getting injured.

[0057] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A safety elevator with a fall lock, characterized in that: include: A hoistway, wherein an elevator car is movably installed inside the hoistway, a lifting wire rope is fixedly connected to the top of the elevator car, and a speed sensor is fixedly installed on the top of the elevator car; A limit assembly, the limit assembly is arranged on the outer surface of the rear end of the elevator car, the limit assembly includes a guide rail, the guide rail is fixedly installed on the inner surface of the rear end of the hoistway, a sliding block is movably connected inside the guide rail, and the sliding block is fixedly connected to the outer surface of the rear end of the elevator car; A deceleration assembly, the deceleration assembly is arranged inside the limit assembly, the deceleration assembly includes a bidirectional electric telescopic rod, the bidirectional electric telescopic rod is fixedly installed inside the sliding block, both ends of the bidirectional electric telescopic rod are movably connected with a push-pull rod, the other end of the push-pull rod is movably connected with a deceleration wheel, and the deceleration wheel is movably connected to the inner surface of the guide rail; A blocking component, the blocking component is arranged inside the well; A buffer component is arranged on the surface of the blocking component.

2. A safety elevator with fall lock according to claim 1, characterized in that: The blocking assembly includes a baffle, one end of which is movably connected to the surfaces at both ends of the interior of the well, and a hydraulic rod is movably connected to the surface of the baffle near the other end, and the other end of the hydraulic rod is movably connected to the inner surfaces at both ends of the well.

3. A safety elevator with fall lock according to claim 2, characterized in that: The buffer assembly comprises a shock absorber, one end of which is fixedly connected to the surface of the baffle, and the other end of which is fixedly connected to a buffer plate.

4. A safety elevator with fall lock according to claim 1, characterized in that: A protection component is arranged inside the elevator car, and the protection component includes an inclined top beam, the inclined top beam is fixedly connected to the inner surface of the top of the elevator car, and a safety airbag is fixedly installed inside the inclined top beam.

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