CN-122009250-A - Passageway over-and-under type safety device

CN122009250ACN 122009250 ACN122009250 ACN 122009250ACN-122009250-A

Abstract

The invention provides a platform lifting type safety protection device which comprises a shell upright post, wherein two secondary lifting cylinders and two groups of lifting assemblies are arranged on the shell upright post, each lifting assembly comprises a lifting driving assembly and a self/manual switching assembly, the lifting driving assembly is connected with one secondary lifting cylinder, the lifting driving assembly is detachably connected with the self/manual switching assembly, a plurality of pull ropes extend out from bottom to top on the opposite sides of the two secondary lifting cylinders, one end of each pull rope is connected with a sliding assembly which is arranged in the secondary lifting cylinder in a sliding mode, and the sliding assembly is driven by the secondary lifting cylinder to synchronously lift with the secondary lifting cylinder through a power transmission assembly. The platform lifting type safety protection device is innovatively integrated with the original double-base design, combines the two designs into a whole, achieves a double-side traction function under the condition of the same occupied area, and can unlock equipment by an operator only by means of a self/manual switching assembly, so that quick and accurate opening of an evacuation channel is achieved.

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: 20260512
Application Date: 20260331

Claims (10)

1. A platform lifting type safety protection device is characterized by comprising a shell upright post, wherein two secondary lifting cylinders and two groups of lifting assemblies are arranged on the shell upright post, each lifting assembly comprises a lifting driving assembly and a self/manual switching assembly, the lifting driving assembly is connected with one secondary lifting cylinder, the lifting driving assembly is detachably connected with the self/manual switching assembly so as to realize switching between an automatic driving mode and a manual driving mode of the lifting driving assembly, a plurality of pull ropes extend out of the two sides of the two secondary lifting cylinders, which are away from each other, one end of each pull rope is connected with a sliding assembly which is arranged inside the two secondary lifting cylinders in a vertical sliding mode, and the sliding assembly is driven by the two secondary lifting cylinders to synchronously lift the two secondary lifting cylinders through a power transmission assembly.
2. The platform lifting safety protection device according to claim 1, wherein the lifting driving assembly comprises a counterweight assembly, a traction belt and an automatic power assembly, wherein the counterweight assembly, the traction belt and the automatic power assembly are arranged on the inner side wall of the shell upright in a vertically sliding mode, one end of the traction belt is fixedly connected with the counterweight assembly, the other end of the traction belt bypasses the automatic power assembly to be fixedly connected with the sliding side face of the secondary lifting cylinder, the automatic power assembly drives the counterweight assembly and the secondary lifting cylinder to lift through the traction belt, the automatic/manual switching assembly is detachably connected with the automatic power assembly, and the weight of the counterweight assembly is larger than the total weight of the secondary lifting cylinder and all parts on the secondary lifting cylinder.
3. The platform lift safety device of claim 2, wherein the automatic power assembly comprises a motor provided on the housing column, the motor is connected with a driving gear, the driving gear is toothed with a driven gear, the driven gear is coaxially connected with a synchronous pulley through a spline driven shaft, and the traction belt bypasses the synchronous pulley.
4. The platform lifting safety device according to claim 3, wherein the self/manual switching assembly comprises a clutch fixed jaw and a clutch fixed jaw displacement assembly, a sleeve is coaxially and fixedly connected to the clutch fixed jaw, the sleeve is located on one side, away from the driven gear, of the clutch fixed jaw, the clutch fixed jaw and the sleeve are coaxially arranged in a penetrating mode, and are slidably arranged with each other, a clutch fixed plate is coaxially fixed to the sleeve, the clutch fixed jaw displacement assembly is fixedly connected with the clutch fixed plate, and the clutch fixed jaw and the clutch fixed plate axially move along the spline driven shaft to achieve detachable connection of the clutch fixed jaw and the opposite side of the driven gear.
5. The platform lifting safety protection device according to claim 4, wherein the clutch fixed jaw displacement assembly comprises a frame connecting seat and a manual driving assembly, the frame connecting seat and one side surface of the clutch fixed jaw far away from the clutch fixed jaw are fixedly connected, the manual driving assembly is rotatably arranged in the shell upright post and 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 jaw is connected with the driven gear, the sliding roller is tightly attached to and in rolling arrangement with an arc-shaped inner rail surface arranged on one side of the frame connecting seat far away from the clutch fixed plate, and in this state, when the upper eccentric connecting rod shaft and the lower eccentric connecting rod shaft drive the sliding roller to be fixed along the arc-shaped inner rail surface, the clutch fixed jaw and the driven gear can be separated, the manual state is switched to an automatic state, and the upper vertical rod is rotatably connected with a shaft wheel fixed on the connecting plate.
6. The platform lift type safety device according to claim 5, wherein the clutch fixed jaw displacement assembly further comprises a reset spring sleeved on the spline driven shaft, and two ends of the reset spring are fixedly connected with the sleeve and a baffle plate positioned at one end of the spline driven shaft away from the driven gear.
7. The platform lifting safety device according to claim 1, wherein the power transmission assembly comprises a stroke compensation mechanism and a pulling assembly, the pulling assembly comprises a secondary lifting belt top wheel, a secondary lifting belt bottom wheel and a secondary lifting belt encircling between the secondary lifting belt top wheel and the secondary lifting belt bottom wheel, which are respectively fixed in the shell upright, the sliding assembly positioned at the lowest part is connected with the secondary lifting belt, the stroke compensation mechanism is arranged in the shell upright, fixedly connected with the inner wall of the shell upright and fixedly connected with one side of the secondary lifting belt, and when the secondary lifting drum moves up and down, the stroke compensation mechanism pulls the secondary lifting belt to drive the sliding assembly to move in the same direction as the secondary lifting drum.
8. The platform lifting safety device according to claim 7, wherein the travel compensation mechanism comprises a lifting connection plate, one end of the lifting connection plate is connected with the inner side wall of the upright post of the shell, the other end of the lifting connection plate is provided with a locking plate horizontally extending to the position of the secondary lifting belt from the left side to the right side, one end of the locking plate is fixedly connected with the lifting connection plate, the other end of the locking plate is provided with at least one cloth belt link plate, a cloth belt pressing plate is detachably connected to the vertical side surface of the cloth belt link plate, and the secondary lifting belt is fixed between the cloth belt pressing plate and the cloth belt link plate.
9. The platform lifting type safety protection device according to claim 1, wherein the sliding assembly comprises a self-adaptive tension compensation mechanism, the self-adaptive tension compensation mechanism is in sliding connection with the sliding rail through a linear sliding block, the self-adaptive tension compensation mechanism comprises a link piece frame, a connecting shaft horizontally extending in the left-right direction of the secondary lifting cylinder is arranged in the link piece frame, one end of the connecting shaft sequentially penetrates through the link piece frame and the secondary lifting cylinder and then is connected with a rope connection structure, the other end of the connecting shaft is movably arranged in the link piece frame, a spring is sleeved on the connecting shaft in the link piece frame, one end of the spring, which is close to the rope connection structure, is directly or indirectly fixedly connected with the link piece frame, the other end of the spring is directly or indirectly connected with the connecting shaft, and a positioning mechanism of the sliding assembly is arranged on the link piece frame.
10. The platform lifting safety device according to claim 9, wherein the rope connecting structure comprises a rope connecting seat which is far away from one side of the link element frame and is of an open structure, a rope connecting piece is embedded on the rope connecting seat, one side of the rope connecting piece extends out of the open structure, at least one pull rope is fixedly connected with the rope connecting piece, and the connecting shaft is fixedly connected with the rope connecting seat.

Description

Passageway over-and-under type safety device Technical Field The invention belongs to the technical field of railway passenger transport platform safety protection, and particularly relates to a channel lifting type safety protection device. Background Along with the high-quality development of the domestic railway industry, the running speed of the train is continuously improved, the riding comfort is obviously optimized, the station coverage network is continuously perfect, the core advantages of economy and convenience are added, and the railway becomes the preferred mode of travel of most passengers. However, the continuous increase of the passenger flow and the diversification of travel demands also bring serious challenges to railway passenger departments, namely the increase of the difficulty of passenger flow guidance, the prominent pressure of platform safety management, and the enhancement of safety precaution and operation efficiency become an important direction of industry development. Disclosure of Invention In view of the above problems, the present invention provides a lifting safety device for a passageway. In order to achieve the above purpose, the present invention adopts the following technical scheme: A platform lifting type safety protection device comprises a shell upright post, wherein two secondary lifting cylinders and two groups of lifting assemblies are arranged on the shell upright post, each lifting assembly comprises a lifting driving assembly and a self/manual switching assembly, the lifting driving assembly is connected with one secondary lifting cylinder, the lifting driving assembly is detachably connected with the self/manual switching assembly to realize switching between an automatic driving mode and a manual driving mode of the lifting driving assembly, a plurality of pull ropes extend from bottom to top on the side surface, facing away from the two secondary lifting cylinders, of each pull rope, one end of each pull rope is connected with a sliding assembly which is arranged inside the corresponding secondary lifting cylinder in a sliding mode, and each sliding assembly is driven by the corresponding secondary lifting cylinder to synchronously lift through a power transmission assembly. Further, the lifting driving assembly comprises a counterweight assembly, a traction belt and an automatic power assembly, wherein the counterweight assembly, the traction belt and the automatic power assembly are arranged on the inner side wall of the upright post of the shell in a vertical sliding mode, one end of the traction belt is fixedly connected with the counterweight assembly, the other end of the traction belt bypasses the automatic power assembly to be fixedly connected with the sliding side face of the secondary lifting cylinder, the automatic power assembly drives the counterweight assembly and the secondary lifting cylinder to lift through the traction belt, the automatic/manual switching assembly is detachably connected with the automatic power assembly, and the weight of the counterweight assembly is larger than the total weight of the secondary lifting cylinder and all parts of the secondary lifting cylinder. Further, the automatic power assembly comprises a motor arranged on the shell upright post, the motor is connected with a driving gear, the driving gear is in toothed connection with a driven gear, the driven gear is coaxially connected with a synchronous pulley through a spline driven shaft, and the traction belt bypasses the synchronous pulley. Further, the self/manual switching assembly comprises a clutch fixed claw disc and a clutch fixed claw disc displacement assembly, a sleeve is coaxially and fixedly connected to the clutch fixed claw disc, the sleeve is located on one side, far away from the driven gear, of the clutch fixed claw disc, the spline 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 to 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 spline driven shaft to achieve separable 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 jaw, of the clutch fixed jaw, the manual driving assembly is rotatably arranged inside the shell upright post and 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 jaw is connected with the driven gear, the sliding