CN-121976725-A - Platform lifting safety door hand/automatic lifting power mechanism

CN121976725ACN 121976725 ACN121976725 ACN 121976725ACN-121976725-A

Abstract

The invention provides a platform lifting safety door hand/automatic lifting power mechanism, which comprises an automatic driving component and a self/manual switching component, wherein the automatic driving component is detachably connected with the self/manual switching component so as to realize the switching between an automatic driving mode and a manual driving mode of the lifting driving component, the manual mode is a manual mode when the manual/automatic switching component is connected with the automatic driving component, and the automatic mode is an automatic mode when the manual/automatic switching component is separated from the automatic driving component. By adopting the platform lifting safety door hand/automatic lifting power mechanism, an operator can unlock the equipment by only rotating the knob, so that the evacuation channel can be quickly and accurately opened. The position change of the wrench is visual and striking, and the current mode switching state can be fed back accurately.

Inventors

Bian Zhuofan
TAN KAI
LIU JIABO
LIU DEBEI
GUO JING
Hou Guanjie

Assignees

江苏尚呈研创科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260331

Claims (10)

1. The platform lifting safety door hand/automatic lifting power mechanism is characterized by comprising an automatic driving component and a self/manual switching component, wherein the automatic driving component is detachably connected with the self/manual switching component so as to realize switching between an automatic driving mode and a manual driving mode of the lifting driving component, the manual mode is a manual mode when the hand/automatic switching component is connected with the automatic driving component, and the automatic mode is an automatic mode when the hand/automatic switching component is separated from the automatic driving component.
2. The platform lifting safety door handle/automatic lifting power mechanism according to claim 1, wherein the automatic driving assembly comprises a motor, the motor is connected with a driving gear, the driving gear is connected with a driven gear in a toothed manner, the driven gear is connected with a coaxially arranged synchronous pulley through a driven shaft, a traction belt with two ends respectively connected with a lifting assembly and a counterweight assembly in the lifting safety door is wound on the synchronous pulley, and the automatic/manual switching assembly moves in the axial direction of the driven gear so as to be detachably connected with the driven gear.
3. The platform lifting safety door handle/automatic lifting power mechanism according to claim 2, wherein the automatic/manual switching component comprises a clutch fixed claw disc and a clutch fixed claw disc displacement component, a sleeve is fixedly connected to the clutch fixed claw disc coaxially, the sleeve is located on one side, away from the driven gear, of the clutch fixed claw disc, the clutch fixed claw disc and the sleeve are coaxially penetrated through the driven shaft and are arranged in a sliding mode, a clutch fixed plate is coaxially fixed to the sleeve, the clutch fixed claw disc displacement component is fixedly connected with the clutch fixed plate, and the clutch fixed claw disc and the clutch fixed plate move along the axial direction of the driven shaft to realize separable connection of opposite sides of the clutch fixed claw disc and the driven gear.
4. The platform lift safety door handle/automatic lift power mechanism of claim 3, wherein the clutch fixed jaw displacement assembly comprises a frame connecting seat and a manual driving assembly, wherein the frame connecting seat is fixedly connected with a side surface of the clutch fixed plate, which is far away from the clutch fixed jaw, and the manual driving assembly is in contact with the frame connecting seat and is used for realizing the axial movement of the frame connecting seat along the driven shaft.
5. The platform lifting safety door handle/automatic lifting power mechanism according to claim 4, wherein the manual driving assembly comprises a rotating shaft, the rotating shaft is an upper eccentric connecting rod shaft and a lower eccentric connecting rod shaft, a sliding roller is coaxially fixed at the lower end of the rotating shaft, when the clutch fixed claw disc is connected with the driven gear, the sliding roller is tightly attached to and rolls on an arc-shaped inner rail surface arranged on one side of the frame connecting seat, far away from the clutch fixed plate, and when a clamping table is arranged on the inner side of the arc-shaped inner rail, when the upper eccentric connecting rod shaft and the lower eccentric connecting rod shaft drive the sliding roller to roll on the arc-shaped inner rail surface, the clutch fixed claw disc and the driven gear can be separated, the manual state is switched to the automatic state, and an upper vertical rod of the rotating shaft is rotationally connected with a shaft wheel fixed on the connecting plate.
6. The platform lift safety door handle/automatic lift power mechanism of claim 5, wherein the clutch fixed jaw displacement assembly further comprises a return spring sleeved on the driven shaft, and two ends of the return spring are fixedly connected with the sleeve and a baffle plate positioned at one end of the driven shaft far away from the driven gear respectively.
7. The platform lift safety door handle/automatic lift power mechanism of claim 4, wherein a wrench is fixedly connected to the top end of the rotation shaft.
8. The platform lift safety door handle/automatic lift power mechanism of claim 2, wherein the weight assembly is slidably disposed up and down, the weight of the weight assembly being greater than the weight of the lift assembly.
9. The platform lifting safety door handle/automatic lifting power mechanism according to claim 3, wherein the clutch fixed claw disc comprises a disc body, a plurality of fixed claws are uniformly distributed on one side surface of the disc body, which is close to the driven gear, and a plurality of through holes for the fixed claws to extend into are formed in the driven gear.
10. A platform lift gate handle/automatic lift power mechanism according to claim 3, characterized in that a guide plate extending in the axial direction thereof away from the driven gear is fixed to the top end of the clutch fixing plate, the guide plate being slidingly connected with a guide member fixed in the platform lift gate.

Description

Platform lifting safety door hand/automatic lifting power mechanism Technical Field The invention belongs to the technical field of railway passenger platform safety protection, and particularly relates to a platform lifting safety door hand/automatic lifting power mechanism. Background In urban rail transit scenes, platform safety doors are required to adapt to the switch control requirements under multiple conditions. When the electric control or power system is invalid due to equipment failure (such as motor failure and circuit failure) or emergency (such as fire disaster and train failure), a worker or a passenger is required to rapidly open and close the door in a manual mode, so that the development of a manual and automatic switching mechanical structure is promoted. However, the prior related equipment has complicated and redundant structure, unstable phenomena such as loosening, clamping stagnation and the like are easy to occur when the gear is switched, the difficulty and cost of later maintenance are greatly improved, meanwhile, the prior switching structure is integrated in the equipment body, the physical gear identification of the mode change-over switch is ambiguous, an effective misoperation protection mechanism is lacked, and misoperation is easy to occur. Disclosure of Invention In order to solve the problems, the invention provides a platform lifting safety door handle/automatic lifting power mechanism. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a platform lift emergency exit hand/automatic lifting power unit, includes automatic drive subassembly and from/manual switching component, automatic drive subassembly with from/manual switching component detachable connection is in order to realize the switching between lift drive subassembly's the automatic drive mode and the manual drive mode, is manual mode when manual/automatic switching component with automatic drive subassembly is connected, is automatic mode when manual/automatic switching component with automatic drive subassembly separates. Further, the automatic driving assembly comprises a motor, the motor is connected with a driving gear, the driving gear is connected with a driven gear in a toothed manner, the driven gear is connected with a synchronous pulley which is coaxially arranged through a driven shaft, a traction belt with two ends respectively connected with a lifting assembly and a counterweight assembly in a lifting safety door is wound on the synchronous pulley, and the automatic/manual switching assembly moves in the axial direction of the driven gear so as to be detachably connected with the driven gear. Further, the self/manual switching assembly comprises a clutch fixed claw disc and a clutch fixed claw disc displacement assembly, wherein a sleeve is coaxially and fixedly connected to the clutch fixed claw disc, the sleeve is positioned on one side, far away from the driven gear, of the clutch fixed claw disc, the driven shaft coaxially penetrates through the clutch fixed claw disc and the sleeve and is arranged in a sliding mode, a clutch fixed plate is coaxially fixed on the sleeve, the clutch fixed claw disc displacement assembly is fixedly connected with the clutch fixed plate, and the clutch fixed claw disc and the clutch fixed plate axially move along the driven shaft to realize detachable connection of opposite sides of the clutch fixed claw disc and the driven gear. Further, the clutch fixed jaw displacement assembly comprises a frame connecting seat and a manual driving assembly, wherein the frame connecting seat is fixedly connected with one side surface of the clutch fixed jaw, which is far away from the clutch fixed plate, and the manual driving assembly is in contact with the frame connecting seat and is used for realizing that the frame connecting seat axially moves along the driven shaft. Further, the manual driving assembly comprises a rotating shaft, the rotating shaft is an upper eccentric connecting rod shaft and a lower eccentric connecting rod shaft, a sliding roller is coaxially fixed at the lower end of the rotating shaft, when the clutch fixing claw disc is connected with the driven gear, the sliding roller is tightly attached to and rolls on an arc-shaped inner rail surface arranged on one side, far away from the clutch fixing plate, of the frame connecting seat, a clamping table is arranged on the inner side of the arc-shaped inner rail, when the upper eccentric connecting rod shaft and the lower eccentric connecting rod shaft drive the sliding roller to roll on the arc-shaped inner rail surface, separation of the clutch fixing claw disc and the driven gear can be achieved, the clutch fixing claw disc is switched to an automatic state from a manual state, and an upper vertical rod of the rotating shaft is rotationally connected with a shaft wheel fixed on the connecting plate. Further, the clutch fixed jaw d