CN214269830U

CN214269830U - Movable stopping device for shallow pit elevator

Info

Publication number: CN214269830U
Application number: CN202023125546.XU
Authority: CN
Inventors: 李达; 乐凡; 唐丽娟
Original assignee: Asia Fuji Elevator Co ltd
Current assignee: Asia Fuji Elevator Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-24
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a portable stop device of shallow pit elevator, it belongs to the elevator field, and it includes the elevator buffer, the elevator buffer syntropy is installed on buffer seat, buffer seat lower extreme articulates on the installation department, be provided with on the installation department and be used for detecting buffer seat and be in the switch that targets in place or stand to target in place that crouches down. The utility model aims at providing a portable stop device of shallow pit elevator, simple structure is applicable to the shallow pit elevator.

Description

Movable stopping device for shallow pit elevator

Technical Field

The utility model relates to an elevator field specifically is portable stop device of shallow pit elevator.

Background

The demand of installing new elevators in the existing buildings (old buildings) is increased rapidly in recent years, the market of installing elevators in old buildings in China is increased in a blowout mode, more than twenty provincial governments have provided supporting and encouraging policies, and the demand of about 250-300 thousands of elevators in the market with the building area exceeding 1 hundred million square meters is related. But is limited by the influences of the structure, the surrounding environment and the like of the existing building, and the pit with the elevator cannot reach the pit depth required by the safety technical specification and cannot be additionally installed, so that the regret is brought to many people who urgently need to use the additionally installed elevator. The national special standard is as follows: GB28621-2012 "New Elevator manufacturing and installation safety Specification installed in existing buildings" provides a technical standard level of approval foundation for installing elevators. Namely: "mechanical device allowing free movement of elevator between terminals in normal operation state, when personnel enter the pit, the device limits the travel of the car and ensures that the pit has enough safety space" (GB 28621 § 2012 & 3.2). Therefore, when the distance between the elevator pits in the depth direction is insufficient (limited to the existing building), the movable stop device is arranged to ensure the safety of elevator maintenance personnel.

In the prior art, a shallow pit stopping device is usually provided with a lifting buffer, an electric jack, a rail clamping device, an additional stopping clamp and the like in an elevator pit, and the above mode has the disadvantages of complex mechanism and high manufacturing cost; additional electromechanical facilities are needed, so that a lot of building space is occupied and the method is difficult to adopt in practice; and some designs need to be used or shared with elevator safety components (such as rail clamping devices, buffers, safety tongs and the like), so that evaluation risks are increased invisibly, and the requirements of the elevator safety components are difficult to meet, so that few professional manufacturers can provide the elevator safety components, and the practical value is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide the portable stop device of shallow pit elevator, simple structure is applicable to the shallow pit elevator.

In order to realize the purpose, the utility model adopts the technical proposal that the movable stopping device of the shallow pit elevator comprises an elevator buffer which is installed on a buffer seat in the same direction; the lower end of the buffer seat is hinged to the mounting part at the bottom of the pit, the buffer seat is kept in a standing state when maintenance service is carried out, the elevator buffer is located at the upper end of the buffer seat, the buffer seat is in a horizontal state when the elevator normally runs, and the mounting part is provided with an in-place switch for detecting whether the buffer seat is in a horizontal state or in a standing state.

Further, in order to ensure safety, the in-place switches are UST switches, and two groups of the in-place switches are arranged to be respectively matched with the buffer seat in the horizontal position and in the vertical position.

Furthermore, in order to facilitate the maintenance personnel to push down or pull up the buffer seat when the landing door is opened, the buffer seat further comprises a hook, and the buffer seat is further provided with a hanging ring matched with the hook.

Furthermore, in order to ensure that the buffer seat cannot topple over in the maintenance process, a positioning column is vertically inserted into the mounting part and is matched with a positioning groove at the lower end of the buffer seat.

Furthermore, in order to enable the positioning column to lift, the lower end of the positioning column is arranged on the lifting seat, the lifting seat is in sliding fit with a lifting groove vertically formed in the bottom of the pit, and a spring is arranged between the lifting seat and the lifting groove.

Furthermore, in order to control the lifting of the positioning column, a horizontally sliding guide column is arranged in the bottom of the pit, one end of the guide column is connected with a pushing plate, and the upper end of the pushing plate penetrates through a waist-shaped hole in the mounting part to be higher than the upper end surface of the mounting part; the other end of the guide post extends towards the lifting seat and is in sliding fit with a guide post hole in the side wall of the lifting seat, and the bottom wall of the guide post hole is downwards inclined at one side of the pushing plate.

The utility model has the advantages that: the device has simple structure, the elevator buffer and the buffer seat are in a horizontal state when the elevator works normally, and the requirement on the depth of a pit can be reduced; when the elevator buffer is overhauled, the elevator buffer and the buffer seat stand up, and the safety of operation of maintenance personnel in a pit is met.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the top view structure of the present invention.

Fig. 3 is a side view of the hook.

The text labels in the figures are represented as: 1. an elevator buffer; 2. a buffer seat; 3. an installation part; 4. an in-place switch; 5. a hook; 6. a hoisting ring; 7. a positioning column; 8. a lifting seat; 9. a spring; 10. a guide post; 11. a push plate; 12. and (4) a guide pillar hole.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Embodiment 1, as shown in fig. 1-2, the structure of this embodiment is: the elevator buffer device comprises an elevator buffer 1, wherein the elevator buffer 1 can adopt a polyurethane buffer, and the elevator buffer 1 is installed on a buffer base 2 in the same direction; the lower end of the buffer seat 2 is connected with a mounting part 3 at the bottom of the pit through a hinge, two groups of in-place switches 4 are arranged on the mounting part 3, each group of in-place switches 4 comprises at least one UST switch which can be in contact with the side edge of the buffer seat 2 and is used for judging the position of the buffer seat 2, when the buffer seat 2 is in a standing state, the buffer seat 2 presses the first group of in-place switches 4, at the moment, the second group of in-place switches 4 are in a closed state, and the elevator can only carry out maintenance operation; when the buffer seat 2 is in a horizontal state, the buffer seat 2 presses the second set of in-place switches 4, at the moment, the first set of in-place switches 4 are in a closed state, and the elevator can normally run; when the two sets of in-place switches 4 are simultaneously turned off or simultaneously turned on, the control system of the elevator judges that the elevator is in an abnormal state at the moment and the elevator cannot run.

The concrete during operation: under the normal running state of the elevator, the buffer seat 2 and the elevator buffer 1 are in a horizontal state, the side wall of the buffer seat 2 props against a second set of in-place switches 4 far away from the hinge, a control system of the elevator receives data, and the elevator runs normally; when the pit is overhauled, under the premise that a compartment door and the like are opened, the buffer seat 2 is pulled up to be in a standing state, the buffer seat 2 is separated from the second set of in-place switches 4 and is contacted with the first set of in-place switches 4, at the moment, a control system of the elevator receives data, and the elevator stops running.

Embodiment 2, as shown in fig. 1-3, this embodiment is based on embodiment 1, but in this embodiment, it further includes a hook 5, the hook 5 is independent of the stopping device, so as to be convenient for the service personnel to carry with them, when the service is to be performed, the hook 5 is extended into the pit to hook the hanging ring 6 arranged on the buffer base 2, so as to pull up the buffer base 2, and after the service is completed, the buffer base 2 is pushed down from the outside of the pit.

Embodiment 3, this embodiment is based on embodiment 1, but in this embodiment, a positioning column 7 is vertically inserted into the mounting portion 3, and the positioning column 7 is inserted into a positioning groove at the lower end of the buffer seat 2 when extending; the lower end of the positioning column 7 is arranged on a lifting seat 8, the lifting seat 8 is in sliding fit with a lifting groove vertically arranged at the bottom of the pit, and a spring 9 is arranged between the lifting seat 8 and the lifting groove; a guide pillar 10 which slides horizontally is arranged in the bottom of the pit, a limiting part which enables the guide pillar 10 to only slide horizontally but not move vertically is arranged in the bottom of the pit, one end of the guide pillar 10 is connected with a push plate 11, and the upper end of the push plate 11 penetrates through a waist-shaped hole in the mounting part 3 to be higher than the upper end face of the mounting part 3; the other end of the guide post 10 extends towards the lifting seat 8 and is in sliding fit with a guide post hole 12 on the side wall of the lifting seat 8, and the bottom wall of the guide post hole 12 is inclined downwards at one side of the push plate 11.

The concrete during operation: when the buffer seat 2 is in a standing state, the guide post 10 is separated from the guide post hole 12, and the positioning post 7 ascends and is inserted into the positioning groove so as to prevent the buffer seat 2 from toppling; after the maintenance is finished, the guide pillar 10 is pushed to the guide pillar hole 12 through the pushing plate 11, the guide pillar 10 is in contact with the bottom wall of the guide pillar hole 12, and the bottom wall of the guide pillar hole 12 is inclined downwards on one side of the pushing plate 11, so that a force for pressing the guide pillar hole 12 downwards is generated along with the horizontal movement of the guide pillar 10, so that the positioning pillar 7 moves downwards to be separated from the positioning groove, and the buffer seat 2 can be pushed down at the moment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are practically unlimited specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features described above can also be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The movable stopping device for the elevator with the shallow pit comprises an elevator buffer (1), wherein the elevator buffer (1) is installed on a buffer seat (2) in the same direction, and is characterized in that the lower end of the buffer seat (2) is hinged to an installation part (3) at the bottom of the shallow pit, and an in-place switch (4) used for detecting whether the buffer seat (2) is in place horizontally or in place vertically is arranged on the installation part (3).

2. Shallow pit elevator movable stop device according to claim 1, characterized in that the in-place switches (4) are UST switches, and two sets of the in-place switches (4) are provided to respectively fit the buffer base (2) in the horizontal position and in the vertical position.

3. Shallow pit elevator movable stop arrangement according to any of claims 1 or 2, characterized in that it further comprises a hook (5) for pushing down the buffer base (2) or pulling up the buffer base (2).

4. The movable stopping device of the shallow pit elevator as claimed in any one of claims 1 or 2, characterized in that a positioning column (7) is vertically inserted in the mounting part (3), and the positioning column (7) is matched with a positioning groove at the lower end of the buffer base (2).

5. The shallow pit elevator movable stop device of claim 4, characterized in that the lower end of the positioning column (7) is arranged on a lifting seat (8), the lifting seat (8) is in sliding fit with a lifting groove vertically arranged at the bottom of the pit, and a spring (9) is arranged between the lifting seat (8) and the lifting groove.

6. The movable stopping device of the shallow pit elevator in claim 5, characterized by that, a guide post (10) sliding horizontally is set in the bottom of the pit, one end of the guide post (10) is connected with a pushing plate (11), the upper end of the pushing plate (11) passes through a kidney-shaped hole on the mounting part (3) to be higher than the upper end surface of the mounting part (3); the other end of the guide post (10) extends towards the lifting seat (8) and is in sliding fit with a guide post hole (12) in the side wall of the lifting seat (8), and the bottom wall of the guide post hole (12) is downwards inclined at one side of the push plate (11).