TWI549896B - Lifting equipment for power failure Safe decoupling escape switch - Google Patents

Description

Lifting equipment power failure safety decoupling escape conversion device

The present invention relates to a lifting device such as a lift or an elevator, in particular to a lifting vehicle connected between the top of the building and the lifting device for the purpose of lifting the vehicle and lifting the driving machine when there is no power supply such as power failure. The rope connecting piece is safely disengaged and the lifting device for safe lifting of the lifting vehicle is safely disconnected and escapes the escape conversion device.

The lifting device such as an elevator or an elevator currently installed in the building is composed of a lifting device 1 and an electric lifting and lowering driving unit 2, and the electric lifting and lowering driving unit 2 is fixed to a building. The top of the lift carrier 1 is capable of moving up and down in the building, and is provided as a car or the like for providing lift for the carrier. The electric lift drive main body 2 includes a rope drive implement 20, and the rope drive implement 20 A rope connecting member 22 is connected to the lower end of the rope 21, and the carrier connecting member 10 at the top of the lifting and lowering vehicle 1 is hooked by the rope connecting member 22. The lifting device such as the elevator or the elevator starts the electric lifting and lowering driving machine 2 by electronic control, and the rope-driven driving device 20 of the electric lifting and lowering driving machine drives the rope 21 to drive the lifting and lowering of the lifting and lowering device 1.

The lifting device such as the elevator or the elevator uses the electric lifting drive to drive the lifting and lowering vehicle to lift and lower. When there is no power supply such as power failure or human power failure, the lifting device cannot be lifted and lowered due to the locked state of the rope driving device. It is also hung on the rope connecting piece of the electric lifting drive mainframe. There is no other auxiliary device in the structure of the lifting device such as the existing elevator or elevator. It is difficult for the personnel to safely operate the lifting vehicle attached to the rope of the electric lifting drive main body. Elevate and escape.

The main purpose of this creation is to provide a safe decoupling escape conversion device for lifting equipment, thereby creating and solving the problem that the existing lifting equipment is not safely disconnected from the power supply when the power is off, and the rope connecting parts of the lifting and lifting drive mainframe are difficult to be safely separated and separated separately. The problem of lifting the lifting and lowering of the vehicle and allowing the person to escape safely.

In order to achieve the pre-existing purpose, the lifting device safety blackout escape escape conversion device proposed by the present invention comprises: a hook connector for connecting the rope connecting member of the lifting drive main body of a lifting device and the top of a lifting vehicle Between the carrier connectors, the hook includes at least one rigid safety hooking plate, the safety hooking plate includes a center line, and the lower part of the safety hooking plate is provided with a connecting hole for the center line to The grouping hole provides a hook connection of the carrier connector, and the hook portion of the safety hooking plate is respectively provided with a hooking groove and a pair of connecting holes on opposite sides of the center line, and the hooking groove provides hooking of the rope connecting piece, the hooking groove The inner end portion is a hooking portion, and when the connecting line between the hooking portion and the lower grouping connecting hole is a vertical line, the hooking groove is inclined downward; and a load sufficient to load and lower the weight of the carrier The manual lifting drive assembly is connected to the top of the building, the manual lifting drive assembly comprises a rope, a load connecting member is arranged at one end of the rope, the load connector is used for connecting the connecting hole of the safety hooking plate, and the other end of the rope is The rope operating portion, the rope operating portion can extend into the lifting and lowering vehicle, the manual lifting and driving assembly can manually operate the lifting and lowering device to lift and change the rotation direction of the safety hooking plate, and the safety hooking plate and the rope connecting member Decoupling.

The utility model is characterized in that the safety device of the lifting device is used for the safety of the hook-and-hook escape conversion device, which mainly provides the hook connection of the carrier connector by using the assembly hole of the lower part of the safety hooking plate, and provides the lifting drive by the hooking groove on one side of the upper hook plate. The rope connecting piece of the main machine is hooked, and the manual lifting driving component disposed on the top of the building is disposed on the top of the building, and the connecting connector at the other end of the rope is connected with the load connecting piece at one end of the rope, and the other end of the rope is connected. The rope operating portion extends to the lifting and lowering vehicle, so that the lifting vehicle can be driven by the original lifting and lowering driving main body, and when the lifting device is powered off or manually powered off, the personnel can manually install the lifting vehicle. Operate the manual lifting drive assembly to pull the side end of the safety hooking plate, so that the safety hooking plate rotates sideways, so that the notch of the hooking groove is turned upward, so that the rope connecting piece of the original lifting drive main body can be along the safety hooking plate The slanting upward hooking groove is slid and unhooked, and is converted into a manual lifting drive assembly load connection lifting vehicle, allowing a person to manually operate the manual lifting drive assembly to drive the hoist Vehicle safety lift and escape.

The creation of the lifting device safety blackout escape escape conversion device is provided with a safety tongue at the slot of the safety hooking plate adjacent to the hooking groove to ensure the safety of the safety hooking plate of the hooking device.

As shown in FIG. 1 , a preferred embodiment of the present invention discloses that the preferred embodiment of the power-off safety decoupling escape conversion device 3 is applied to a lifting device such as an elevator or an elevator. As can be seen from the drawings, the lifting device includes a lifting device. The vehicle 1 and an electric lifting and lowering drive unit 2 are fixed to the top of a building, and the lifting vehicle 1 is a car or the like, and can be moved up and down in the building. The electric lift drive main unit 2 includes a rope drive implement 20, a rope 21, and a rope connecting member 22 connected to the lower end of the rope 21. The top of the lift carrier 1 is provided with a carrier connecting member 10.

As shown in FIG. 1 and FIG. 2, the lifting device power-off safety decoupling escape conversion device 3 is connected between the top of the building and the lifting vehicle 1 , and the lifting device power-off safety decoupling escape conversion device 3 includes a The hook 3A and a manual lift drive assembly 40.

The hooking device 3A includes at least one safety hooking plate 30. As shown in FIG. 1 , the safety hooking plate 30 is made of a steel plate or the like having high rigidity and high toughness. The connector 30 can be connected between the rope connecting member 22 of the electric lifting drive main body 2 of a lifting device such as a lift or an elevator and the carrier connecting member 10 at the top of a lifting vehicle 1. As shown in FIG. 3, the safety hooking plate 30 includes a center line 31. The lower portion of the safety hooking plate 30 is provided with a connecting hole 32 through which the center line 31 passes. The grouping hole 32 is provided for providing The carrier connector 10 at the top of the lifting and lowering device 1 is assembled. The upper portion of the safety hooking plate 30 is respectively provided with a hooking groove 33 and a set of connecting holes 35 on opposite sides of the center line 31, and the hooking is performed. The slot 33 is used to provide a hooking of the cord connector 22 of the electric lift drive mainframe 2, and the set of holes 35 is used to provide a manual lift drive assembly 40 assembly.

In the foregoing, the inner end portion of the hooking groove 33 of the safety hooking plate 30 is a hooking portion 331. As shown in FIG. 4, the hooking groove 33 is inclined upward with the notch 332 facing the center line 31. When the line 36 between the upper hook portion 331 and the lower group hole 32 is in a vertical line, the hook groove 33 is inclined downward. As shown in FIG. 2 and FIG. 3, the safety hooking plate 30 can also be provided with a safety tongue 34 adjacent to the notch 332 of the hooking groove 33. The safety tongue 34 can be hooked by the groove 33. The inner side pushes the rotation outward.

The hooking device 3A can also add a safety hooking plate 30 according to actual needs. As shown in FIG. 5, it is disclosed that the hooking device 3A has two safety hooking plates 30, but the hooking device 3A The safety hooking plate 30 is not limited to one or two pieces. When the hook 3A has a plurality of safety hooking plates 30, the safety hooking plates 30 can be joined together side by side. Alternatively, as shown in the preferred embodiment of FIG. 5, the plurality of safety hooking plates 30 are arranged at a relatively spaced relationship such that the assembly holes 32 of the safety hooking plates 30 together provide the carrier connector 10 at the top of the lifting and lowering device 1. The hooking slots 33 of the safety hooking plates 30 together provide the hookings 22 of the electric lifting drive main body 2, and the assembling holes 35 of the safety hooking plates 30 together provide a manual lifting and driving assembly. A load connector 41 of 40 is assembled. As shown in FIG. 5, in the foregoing, in order to ensure the safety of hooking or uncoupling between the rope connecting member 22 and the safety hooking plates 30, the rope connecting member 22 is an axial both ends of a rod-shaped body. Each of the limiting protrusions 221 has an upwardly convexly outwardly inclined position, so that the wire connecting member 22 is hooked and connected to the safety hooking plates 30, and the limiting protrusions 221 are located outside the safety hooking plate 30 to prevent the position. The rope connector 22 slides axially to be unhooked from the safety hooking plate 30.

As shown in FIG. 1 and FIG. 2, when the carrier connector 10, the cable connector 22, and the load connector 41 are configured to match the hook 3A as a safety hooking plate 30, the carrier connector 10 and the rope are provided. The connector 22 and the load connector 41 are of a hook type. As shown in FIG. 5, when the hook 3A is a structure in which a plurality of safety hooking plates 30 are arranged in a space, the carrier connector 10, the rope connecting member 22, and the load connecting member 41 are required to be structurally changed. Rod-shaped connector construction and the like.

As shown in FIG. 1 and FIG. 2, the manual lifting drive assembly 40 is a safety rope assembly that is manually operated and is sufficient to load and lift the weight of the carrier. As shown in FIGS. 1 and 2, the manual lifting drive assembly 40 is optional. A rope type manual lifting drive assembly including a chain or a cable, the rope type manual lifting drive assembly 40 has a load connecting member 41 at one end of the rope, and a rope operating portion 42 at the other end of the rope. The manual lifting drive assembly 40 is suspended. Hanging on the top of the building, the load connecting piece 41 is connected to the assembling hole 35 of the safety hooking plate 30, and the rope operating portion 42 is extended into the lifting and lowering carrier 1. The load connector 41 can be a hook with a safety tab to ensure the safety of the load connector 41 to hook the safety hooking plate 30. In the preferred embodiment, the manual lifting drive assembly 40 further includes a storage box 43 for mounting in the top of the lifting and lowering device 1 and receiving the storage box 43 into the lifting and lowering device 1 The rope operating portion 42 can manually operate the lifting and lowering device 1 to lift and change the rotation direction of the safety hooking plate 30, and the safety hooking plate 30 and the rope connecting member of the electric lifting and lowering driving main body 2 22 decoupling.

As shown in FIG. 1 and FIG. 2, when the power-saving safety hook-and-hook escape conversion device of the present invention is used in combination with a lifting device such as an elevator or an elevator, the carrier connector 10 at the top of the lifting vehicle 1 is pivotally connected to the hook 3A. At the assembly hole 32 of the safety hooking plate 30, the rope connecting member 22 is hooked into the hooking groove 33 of the safety hooking plate 30, and the load connecting member 41 of one end of the rope of the manual lifting driving assembly 40 is connected. a set hole 35 of the safety hooking plate 30, wherein the rope operating portion 42 at the other end of the rope of the manual lifting drive assembly 40 extends into the lifting and lowering device 1 to be in an unstressed state, so that the hook 3A is The safety hooking plate 30 has a side end of the fixing hole 35 which is naturally sagged, and is biased on the side of the safety hooking plate 30 by the hooking groove 33, and the safety hooking plate 30 is connected to the rope connecting member 22 and the carrier. Between the connecting members 10, the safety hooking plate 30 of the hooking device 3A is subjected to the gravity of the lifting and lowering device 1, so that the position of the safety hooking plate 30 of the hooking device 3A is at the upper hooking portion 331 and the position. The line connecting the lower grouping holes 32 is a vertical line, so that the hooking groove 33 is inclined downward, and the rope connecting member 22 That is, the hook portion 331 is hooked to the inner end of the hooking groove 33 of the safety hooking plate 30, so that the rope connecting member 22 and the safety hooking plate 30 of the hooking device 3A are hooked and connected, and the safety hooking plate 30 is The notch 332 adjacent to the hooking groove 33 is provided with a safety tongue 34 to prevent the rope connecting member 22 from being detached from the safety hooking plate 30 of the hooking device 3A, and the electric lifting and lowering driving main body 2 can control the lifting and lowering of the lifting and lowering vehicle 1 .

As shown in FIG. 6, when there is no power supply such as power failure of the lifting device, the person wants to unhook the lifting carrier 1 from the rope connecting member 22 of the electric lifting drive main body 2 and separately operate the lifting and lowering device 1 to lift and lower, the personnel can lift and lower In the carrier 1, the rope operating portion 42 of one end of the storage box 43 of the lifting and lowering device 1 is taken out from the rope of the manual lifting and driving unit 40, and the rope operating portion 42 of the manual lifting and driving unit 40 is manually operated. The safety hooking plate 30 of the hooking device 3A has an upward pulling force on one side end of the assembling hole 35, and the safety hooking plate 30 of the hooking device 3A is laterally rotated toward the other side direction, and simultaneously pulls up and down. The carrier 1 is raised by an appropriate distance, and the rope connecting member 22 is used to abut the hooking groove 33 of the upper portion of the safety hooking plate 30. When the safety hooking plate 30 is rotated laterally, the notch of the hooking groove 33 is rotated. Upward, the cord connector 22 can be slid away along the upwardly hooked slot 33 of the safety hooking plate 30. The safety hooking plate 30 is provided with a safety tongue 34 at the notch 332 of the hooking groove 33. The safety tongue 34 on the safety hooking plate 30 can be pushed from the inside to the outside by the hooking groove 33 to open the notch 332. Therefore, the rope connecting member 22 can be detached from the inside of the hooking groove 33 and pushed away from the safety tongue 34. Therefore, the manual lifting and driving assembly 40 is further operated to drive the lifting and lowering vehicle 1 to descend, even if the electric lifting drive drives the rope of the main body 2 The connector 22 can be detached from the hooking groove 33 of the safety hooking plate 30, and the transfer is connected by the manual lifting drive assembly 40 via the safety hooking plate 30 to the lifting carrier 1. Thereafter, the person can manually operate the manual lifting drive assembly 40 to drive the lifting vehicle 1 to safely lift and escape.

The creation of the lifting device safety blackout escape escape conversion device can be applied to other escape devices in addition to the aforementioned lifting device, and the utility model is very simple and easy to use, and the general personnel can In addition to the operation, it can be used for the disabled.

1‧‧‧lifting vehicle
10‧‧‧Carriage connector
2‧‧‧Electric lifting drive host
20‧‧‧Roll-type drive tools
21‧‧‧ rope
22‧‧‧ rope connecting parts
221‧‧‧Limited convex
3‧‧‧ Lifting equipment power failure safety decoupling escape conversion device
3A‧‧‧ hooks
30‧‧‧Safe hook board
31‧‧‧ center line
32‧‧‧Group holes
33‧‧‧ hook slot
331‧‧‧ hooking
332‧‧‧ notch
34‧‧‧Safety tongue
35‧‧‧Group holes
36‧‧‧Connection of the hooking part to the set hole
40‧‧‧Manual lifting drive assembly
41‧‧‧Load connectors
42‧‧‧rope operation department
43‧‧‧ storage box

1 is a schematic plan view showing a preferred embodiment of the present invention for applying a power-off safety decoupling escape conversion device to a lifting device. FIG. 2 is a partially enlarged schematic view showing the preferred embodiment of the lifting device safe decoupling escape conversion device of the lifting device shown in FIG. 1 applied to the lifting device. 3 is a plan view showing the safety hooking plate in the preferred embodiment of the power-off safety decoupling escape conversion device of the lifting device shown in FIG. 1 and FIG. 4 is a plan view showing the safety hook plate shown in FIG. 3 rotated to a line perpendicular to the line connecting the hook portion and the assembly hole. FIG. 5 is a perspective view showing another preferred embodiment of the hooking device in the power-saving safety decoupling escape conversion device of the present invention. FIG. 6 is a schematic diagram of the operation of the preferred embodiment of the power-off safety decoupling escape conversion device of the lifting device shown in FIG. 1 and FIG. 2 applied to the power-saving lifting device. Figure 7 is a plan view of the lifting device of the existing building installation.

1‧‧‧lifting vehicle

10‧‧‧Carriage connector

2‧‧‧Electric lifting drive host

20‧‧‧Roll-type drive tools

21‧‧‧ rope

22‧‧‧ rope connecting parts

3‧‧‧ Lifting equipment power failure safety decoupling escape conversion device

3A‧‧‧ hooks

30‧‧‧Safe hook board

32‧‧‧Group holes

33‧‧‧ hook slot

35‧‧‧Connection hole

40‧‧‧Manual lifting drive assembly

41‧‧‧Load connectors

42‧‧‧rope operation department

43‧‧‧ storage box

Claims (3)

The utility model relates to a power-saving safety decoupling escape conversion device for a lifting device, comprising: a hook connector for connecting between a rope connecting member of a lifting drive main body of a lifting device and a carrier connecting member at a top of a lifting vehicle, The hooking device comprises at least one rigid safety hooking plate, the safety hooking plate comprises a center line, and the lower part of the safety hooking plate is provided with a connecting hole passing through the center line, and the connecting hole is provided for the carrier connecting piece connection a hooking groove and a set of connecting holes are respectively disposed on the two sides of the safety hooking plate section with respect to the center line, and the hooking groove provides a hooking of the rope connecting piece, wherein the inner end of the hooking groove is a hooking portion, and The hooking groove is inclined downward when the connecting line between the hooking portion and the lower grouping hole is in a vertical line; and a manual lifting and driving assembly sufficient to load and lower the weight of the carrier is used for connecting At the top of the building, the manual lifting drive assembly comprises a rope, and a load connecting member is arranged at one end of the rope, the load connecting member is used for connecting the connecting hole of the safety hooking plate, and the other end of the rope is a rope operating portion, and the rope operating portion Extending to the lift carrier, the manual operation of the lift drive assembly is manually lifting and elevating the carrier to change the rotation of the security plate hooking, plate hooking the safety connection member and the cord decoupling. The lifting device safety blackout escape switching device according to claim 1, wherein the safety hooking plate is provided with a safety tongue at a slot adjacent to the hooking groove. The lifting device safety blackout escape switching device according to claim 1 or 2, wherein the load connecting member of the manual lifting drive assembly is a hook having a safety tongue.