CN-224198977-U - Cage door linkage device for construction elevator

CN224198977UCN 224198977 UCN224198977 UCN 224198977UCN-224198977-U

Abstract

The utility model relates to a cage door linkage device for a construction lifter, which comprises a door frame, a cage door assembly, an error opening prevention assembly and a linkage assembly, wherein the door frame can be installed on a cage in the use process of the actual construction lifter, when the construction lifter is in a closed state, a magnetic attraction piece is in an operating state, and simultaneously drives a fixed block to be adsorbed to the lower part of the door frame, so that the cage door assembly cannot be opened, when the cage reaches a designated position, the magnetic attraction piece stops operating, the cage door assembly is in a movable state, then a driving assembly is operated, the driving assembly drives a door picking plate to slide and extend, and then the door picking plate is driven to pick up a layer door corresponding to the cage door when the cage door assembly is opened, so that the cage door of the construction lifter can be better prevented from being opened by error, the cage door can be better linked with the layer door, and the cage door is convenient to use.

Inventors

LAI FENGLIANG
WU JIAWEI
FANG XUQIANG

Assignees

福建省三明华丰机械有限公司

Dates

Publication Date: 20260505
Application Date: 20250509

Claims (8)

1. The cage door linkage device for the construction elevator is characterized by comprising a door frame, a cage door assembly, an error opening prevention assembly and a linkage assembly, wherein the cage door assembly is connected with the door frame, the lower part of the cage door assembly is detachably connected with the lower part of the door frame of the error opening prevention assembly, and the linkage assembly is arranged at the lower part of the cage door assembly; The anti-false-opening assembly comprises a fixed block and a magnetic attraction piece, wherein the fixed block is fixedly connected to the lower part of the cage door assembly, and the lower part of the fixed block is detachably connected with the lower part of the door frame through the magnetic attraction piece; the linkage assembly comprises a driving assembly and a picking door plate, wherein the picking door plate is slidably connected with the lower part of the cage door assembly, and the driving assembly is in driving connection with the picking door plate.
2. The cage door linkage device for the construction elevator, as set forth in claim 1, wherein the cage door assembly comprises a lifting assembly, a first cage door and a second cage door, wherein a first sliding groove is formed in one side of the inside of the door frame, a second sliding groove is formed in the other side of the inside of the door frame, the first cage door is slidably connected with the first sliding groove, the second cage door is slidably connected with the second cage door, the lower portion of the second cage door is in a closed shape, the fixed blocks are arranged on two sides of the lower portion of the first cage door, a sliding hole is formed in the lower portion of the first cage door, the picking door plate is slidably connected with the sliding hole, the lifting assembly is mounted on the upper portion of the door frame, and the lifting assembly is in driving connection with the first cage door.
3. The cage door linkage for the construction elevator of claim 2, wherein the door picking plate is fixedly connected with a limiting block, and the limiting block is used for limiting the movement range of the door picking plate.
4. The cage door linkage for a construction elevator as set forth in claim 3, wherein the lifting assembly comprises a mounting plate, a hanging member and a connecting member, the hanging member is mounted on an upper portion of the door frame through the mounting plate, and the hanging member is connected with the first cage door through the connecting member.
5. The cage door linkage for a construction elevator as set forth in claim 4, further comprising a protection pad provided at an upper portion of the fixing block.
6. The cage door linkage for the construction elevator, as set forth in claim 1, wherein the driving assembly comprises a rotation driving member and a driving wheel, wherein the lower portion of the door frame is provided with a receiving groove, the rotation driving member is installed in the receiving groove, the rotation driving member is in driving connection with the driving wheel, the driving wheel is disposed below the door picking plate, a tooth slot is disposed on a surface of the door picking plate, which is close to the driving wheel, and the driving wheel is meshed with the door picking plate through the tooth slot.
7. The cage door linkage for a construction elevator as set forth in claim 1, further comprising a mounting bracket, wherein a plurality of said mounting brackets are fixedly attached to an outer side of said door frame.
8. The cage door linkage for a construction elevator as set forth in claim 1, further comprising a controller electrically connected to said cage door assembly, said false opening prevention assembly and said linkage assembly, respectively.

Description

Cage door linkage device for construction elevator Technical Field The utility model relates to the technical field of construction elevators, in particular to a cage door linkage device for a construction elevator. Background The construction elevator is called as a construction elevator for a building, can also be an outdoor elevator, can be used for lifting a lifting cage on a construction site, is used as transportation equipment for carrying people and goods, and is widely applied to the field of building engineering. The construction hoist is mainly used in various buildings of urban high-rise and super high-rise, because the building height is very difficult to finish the operation by using the derrick and the portal frame. The construction lifter is a man-carrying and cargo-carrying construction machine which is frequently used in buildings, and is mainly used for the construction of the inner and outer decoration of high-rise buildings, bridges, chimneys and other buildings. The landing door and the cage door of the traditional construction hoist are manually opened and closed by constructors, but the situation that the landing door is not opened and closed in place often occurs in the operation process, the phenomenon of false opening often occurs, potential safety hazards are caused, and the normal operation of the construction hoist is seriously influenced. Disclosure of utility model First, the technical problem to be solved In order to solve the problems in the prior art, the utility model provides the cage door linkage device for the construction lifter, which can better prevent the cage door of the construction lifter from being opened by mistake, and can enable the cage door to be linked with the landing door better, so that the cage door linkage device is convenient to use. (II) technical scheme In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps: The cage door linkage device for the construction elevator comprises a door frame, a cage door assembly, an error opening prevention assembly and a linkage assembly, wherein the cage door assembly is connected with the door frame, the lower part of the cage door assembly is detachably connected with the lower part of the door frame of the error opening prevention assembly through the lower part of the door frame of the error opening prevention assembly, and the linkage assembly is arranged at the lower part of the cage door assembly; The anti-false-opening assembly comprises a fixed block and a magnetic attraction piece, wherein the fixed block is fixedly connected to the lower part of the cage door assembly, and the lower part of the fixed block is detachably connected with the lower part of the door frame through the magnetic attraction piece; the linkage assembly comprises a driving assembly and a picking door plate, wherein the picking door plate is slidably connected with the lower part of the cage door assembly, and the driving assembly is in driving connection with the picking door plate. Further, the cage door subassembly includes lifting unit, first cage door and second cage door, one side of door frame inside is provided with first spout, the opposite side of door frame inside is provided with the second spout, first cage door with but first spout sliding connection, second cage door with but second cage door sliding connection, the lower part of second cage door is the closure form, the both sides of first cage door lower part all are provided with the fixed block, the lower part of first cage door is provided with the slide opening, the door leaf of picking with slide opening sliding connection, lifting unit install in the upper portion of door frame, lifting unit with first cage door drive connection. Further, a limiting block is fixedly connected to the picking door plate and used for limiting the moving range of the picking door plate. Further, the lifting assembly comprises a mounting plate, a lifting piece and a connecting piece, wherein the lifting piece is mounted on the upper portion of the door frame through the mounting plate, and the lifting piece is connected with the first cage door through the connecting piece. Further, the device further comprises a protection pad, and the protection pad is arranged on the upper portion of the fixed block. Further, the drive assembly comprises a rotary driving piece and a driving wheel, an accommodating groove is formed in the lower portion of the door frame, the rotary driving piece is installed in the accommodating groove, the rotary driving piece is in driving connection with the driving wheel, the driving wheel is arranged below the picking door plate, a tooth groove is formed in one surface, close to the driving wheel, of the picking door plate, and the driving wheel is meshed with the picking door plate through the tooth groove. Further, still include the mounting bracket, the outside fixedly connected with of