Flexible and convenient elevator emergency rescue evacuation device
By designing an elevator emergency rescue evacuation device including rope clamping device, rope retraction device, operating handle and tension spring, the problem of the inability to rescue the elevator in the machine room is solved and the emergency evacuation of the elevator is achieved.
Patent Information
- Application Number
- CN202421240687.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-03
AI Technical Summary
When the elevator in the machine room is faulty, it cannot be rescued through electrical control or trolley because the weight of the wire ropes on both sides of the traction machine is almost equal, which makes the elevator unable to move.
An elevator emergency rescue evacuation device including a rope clamping device, a rope retraction device, an operating handle and a tension spring is designed. The elevator speed limiter wire rope is clamped by a rope clamping device, and the rope retraction device and tension spring are used to adjust the tension of the wire rope, breaking the balance of the elevator and allowing the car to move.
It has achieved emergency rescue in case of failure of machine room elevators to ensure that trapped passengers can be evacuated safely.
Smart Images
Figure CN222454185U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of elevator evacuation devices, and in particular relates to a flexible and convenient elevator emergency rescue evacuation device. Background Art
[0002] For elevators with machine rooms, when the elevator runs to the middle of the shaft, if the elevator breaks down and people are trapped, emergency rescue is usually carried out through electrical control or turning the gear.
[0003] However, these methods cannot achieve the rescue purpose for an elevator without a machine room, that is, the weight on the wire ropes on both sides of the traction machine is almost equal, so when the brake is released by electrical control, the elevator will not move.
[0004] Therefore, there is no machine room and it is impossible to rescue by turning the elevator. At this time, a device is needed to break the balance of the elevator to achieve the purpose of rescue. Utility Model Content
[0005] The purpose of the utility model is to solve the problem that these methods cannot achieve the rescue purpose for those without a machine room, that is, the weight on the steel wire ropes on both sides of the traction machine is almost equal, so when the brake is released by electrical control, the elevator will not move, and a flexible and convenient elevator emergency rescue and evacuation device is proposed.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a flexible and convenient elevator emergency rescue and evacuation device, including a rope clamping device, a rope collecting device, an operating handle and a tension spring, the limiter wire rope is clamped in the rope clamping device, the rope collecting device and the rope clamping device are connected by an upper hook, a hanging wire rope is arranged at the bottom of the rope collecting device, the hanging wire rope is collected into the rope collecting device through a pulley member, the operating handle is inserted into the rope collecting device, the tension spring is connected between the pulley member and the fixing device, and the guide rail is connected to the fixing device.
[0007] As a further description of the above technical solution:
[0008] The pulley member comprises a movable pulley and a lower hook, wherein the movable pulley and the lower hook are both connected to a support plate, and the lower hook is connected to the tension spring.
[0009] As a further description of the above technical solution:
[0010] The tension spring is connected to the end of the fixing device.
[0011] As a further description of the above technical solution:
[0012] The rope collecting device includes a fixed support, a first gear, an axle, a first anti-reverse buckle and a first return spring. The axle is rotatably connected between the fixed supports, the first gear is connected to the axle, the first anti-reverse buckle abuts against the first gear, the first return spring is connected between the first anti-reverse buckle and the fixed support, and the suspension wire rope extends through the movable pulley and is wrapped around the axle.
[0013] As a further description of the above technical solution:
[0014] The operating handle includes a handle, a double-wing bolt, a second gear, a shaft, a second return spring and a second anti-reverse buckle. The second gear is connected in the handle, the shaft is connected in the middle of the second gear and extends to be inserted into the rope collecting device, the double-wing bolt is fixed on the shaft, the second anti-reverse buckle is arranged in the handle, the second anti-reverse buckle abuts against the second gear, and the second anti-reverse buckle is connected to the handle through the second return spring.
[0015] As a further description of the above technical solution:
[0016] The support plate is provided with an anti-rope-off rod.
[0017] As a further description of the above technical solution:
[0018] The rope collecting device is provided with a single-eye bolt, the top of the upper hook is hung on the rope clamping device, and the bottom is hung on the single-eye bolt.
[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0020] The utility model discloses a kind of utility model, when using, the end of fixing device is fixed on the guide rail by guide rail clamp, then one end of tension spring is fixed on the end of fixing device, the other end of tension spring is hung on the hook of movable pulley, after movable pulley hook and tension spring are fixed, the upper hook of rope collecting device is connected with rope clamping device; when using, the rope clamping device clamps elevator speed limiter steel rope, the operating handle is inserted into rope collecting device, fixed by double wing bolt on the handle, then the gear on rope collecting device is driven to rotate by the rotation of handle, the rope collecting device collects the hanging steel rope into the rope collecting device, thereby adjusting the length of tension spring, so that the speed limiter steel rope is pulled by the tension spring which is continuously extended; when the spring reaches a certain extension, the operating handle is removed, then the person leaves the elevator shaft pit, then the traction machine brake is released by the electrical device, at this time, due to the pulling force of tension spring, the speed limiter steel rope is pulled, thereby breaking the balance state of elevator, so that the car starts to move, when the car moves to the hall door position, the car door and hall door can be opened to evacuate the trapped passengers. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 It is a flexible and convenient three-dimensional elevator emergency rescue evacuation device. Figure 1 .
[0023] Figure 2 The utility model is a front view of a flexible and convenient elevator emergency rescue and evacuation device.
[0024] Figure 3 The diagram is a side view of a flexible and convenient elevator emergency rescue and evacuation device.
[0025] Figure 4 It is a flexible and convenient three-dimensional elevator emergency rescue evacuation device. Figure 2 .
[0026] Figure 5 It is a flexible and convenient three-dimensional elevator emergency rescue evacuation device. Figure 3 .
[0027] Figure 6 The diagram is a structural diagram of a pulley member in a flexible and convenient elevator emergency rescue and evacuation device.
[0028] Figure 7 The present invention is a three-dimensional diagram of a pulley member in a flexible and convenient elevator emergency rescue and evacuation device.
[0029] Figure 8 A three-dimensional operating handle for a flexible and convenient elevator emergency rescue and evacuation device Figure 1 .
[0030] Fig. 9 A three-dimensional operating handle for a flexible and convenient elevator emergency rescue and evacuation device Figure 2 .
[0031] Fig.10 The invention discloses a half-section diagram of an operating handle in a flexible and convenient elevator emergency rescue and evacuation device.
[0032] Legend:
[0033] 1-Rope clamping device; 2-Rope collecting device; 21-Fixed support; 22-First gear; 23-Axle; 24-First anti-reverse buckle; 25-First return spring; 3-Operating handle; 31-Handle; 32-Double-wing bolt; 33-Second gear; 34-Axle; 35-Second return spring; 36-Second anti-reverse buckle; 4-Tension spring; 5-Limiter wire rope; 6-Upper hook; 7-Suspension wire rope; 8-Pulley; 81-Moving pulley; 82-Lower hook; 9-Fixed device; 10-Guide rail; 11-Support plate; 12-Rope-off prevention rod; 13-Single-eye bolt. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0038] In the description of the embodiments of the present utility model, it should be noted that the terms "upper", "inner", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.
[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0040] See also Figure 1-10 The utility model provides a technical solution: a flexible and convenient elevator emergency rescue and evacuation device, including a rope clamping device 1, a rope collecting device 2, an operating handle 3 and a tension spring 4, a limiter wire rope 5 is clamped in the rope clamping device 1, the rope collecting device 2 and the rope clamping device 1 are connected by an upper hook 6, a hanging wire rope 7 is arranged at the bottom of the rope collecting device 2, the hanging wire rope 7 is received in the rope collecting device 2 through a pulley member 8, the operating handle 3 is inserted into the rope collecting device 2, the tension spring 4 is connected between the pulley member 8 and the fixing device 9, and a guide rail 10 is connected to the fixing device 9.
[0041] The pulley member 8 comprises a movable pulley 81 and a lower hook 82, wherein the movable pulley 81 and the lower hook 82 are both connected to the support plate 11, and the lower hook 82 is connected to the tension spring 4. The movable pulley is adopted, which can achieve a certain labor-saving effect during operation.
[0042] The tension spring 4 is connected to the end of the fixing device 9 and does not affect the up and down movement of the guide rail.
[0043] The rope collecting device 2 includes a fixed support 21, a first gear 22, a wheel axle 23, a first anti-reverse buckle 24 and a first return spring 25. The wheel axle 23 is rotatably connected between the fixed supports 21, the first gear 22 is connected to the wheel axle 23, the first anti-reverse buckle 24 abuts against the first gear 22, the first return spring 25 is connected between the first anti-reverse buckle 24 and the fixed support 21, and the suspension wire rope 7 extends through the movable pulley 81 and is wound around the wheel axle 23.
[0044] The operating handle 3 includes a handle 31, a double-wing bolt 32, a second gear 33, a shaft 34, a second return spring 35 and a second anti-reverse buckle 36. The second gear 33 is connected in the handle 31. The shaft 34 is connected in the middle of the second gear 33 and extends to be inserted into the rope collecting device 2. The double-wing bolt 32 is fixed on the shaft 34. The second anti-reverse buckle 36 is arranged in the handle 31. The second anti-reverse buckle 36 abuts against the second gear 33. The second anti-reverse buckle 36 is connected in the handle 31 through the second return spring 35.
[0045] The support plate 11 is provided with an anti-rope-stripping rod 12 to prevent the wire rope from escaping.
[0046] The rope collecting device 2 is provided with a single eye bolt 13, the top of the upper hook 6 is hung on the rope clamping device 1, and the bottom is hung on the single eye bolt 13, so that the connection is stable.
[0047] The handle is composed of two mounting plates connected by a pin. The handle can be disassembled by disassembling the pin, so that the internal structure thereof can be adjusted or repaired.
[0048] Working principle: When in use, fix the end of the fixing device to the guide rail through the guide rail clamp, then fix one end of the tension spring to the end of the fixing device, and hang the other end of the tension spring on the hook of the movable pulley. After the movable pulley hook is fixed to the tension spring, connect the upper hook of the rope collecting device to the rope clamping device; when in use, clamp the elevator speed limiter wire rope with the rope clamping device, insert the operating handle into the rope collecting device, fix it through the double-wing bolts on the handle, and then drive the gear on the rope collecting device to rotate by rotating the handle, and the rope collecting device will collect the hanging wire rope into the rope collecting device, thereby adjusting the length of the tension spring, so that the speed limiter wire rope is pulled by the continuously extending tension spring; when the spring reaches a certain elongation, remove the operating handle, and then leave the elevator shaft pit, and then release the traction machine brake through the electrical device. At this time, the tension of the tension spring pulls the speed limiter wire rope, thereby breaking the balance of the elevator, causing the car to start moving. When the car moves to the hall door position, the car door and the hall door can be opened to evacuate the trapped passengers.
[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A flexible and convenient elevator emergency rescue evacuation device, characterized in that: It includes a rope clamping device, a rope collecting device, an operating handle and a tension spring. The limiter wire rope is clamped in the rope clamping device. The rope collecting device and the rope clamping device are connected by an upper hook. A hanging wire rope is arranged at the bottom of the rope collecting device. The hanging wire rope is collected into the rope collecting device through a pulley. The operating handle is inserted into the rope collecting device. The tension spring is connected between the pulley and the fixing device. The guide rail is connected to the fixing device.
2. A flexible and convenient elevator emergency rescue and evacuation device according to claim 1, characterized in that: The pulley member comprises a movable pulley and a lower hook, wherein the movable pulley and the lower hook are both connected to a support plate, and the lower hook is connected to the tension spring.
3. A flexible and convenient elevator emergency rescue and evacuation device according to claim 2, characterized in that: The tension spring is connected to the end of the fixing device.
4. A flexible and convenient elevator emergency rescue and evacuation device according to claim 3, characterized in that: The rope collecting device includes a fixed support, a first gear, an axle, a first anti-reverse buckle and a first return spring. The axle is rotatably connected between the fixed supports, the first gear is connected to the axle, the first anti-reverse buckle abuts against the first gear, the first return spring is connected between the first anti-reverse buckle and the fixed support, and the suspension wire rope extends through the movable pulley and is wrapped around the axle.
5. A flexible and convenient elevator emergency rescue and evacuation device according to claim 4, characterized in that: The operating handle includes a handle, a double-wing bolt, a second gear, a shaft, a second return spring and a second anti-reverse buckle. The second gear is connected in the handle, the shaft is connected in the middle of the second gear and extends to be inserted into the rope collecting device, the double-wing bolt is fixed on the shaft, the second anti-reverse buckle is arranged in the handle, the second anti-reverse buckle abuts against the second gear, and the second anti-reverse buckle is connected to the handle through the second return spring.
6. A flexible and convenient elevator emergency rescue and evacuation device according to claim 2, characterized in that , an anti-rope-off rod is arranged on the support plate.
7. A flexible and convenient elevator emergency rescue and evacuation device according to claim 1, characterized in that , A single-eye bolt is provided on the rope collecting device, the top of the upper hook is hung on the rope clamping device, and the bottom is hung on the single-eye bolt.