CN216524860U

CN216524860U - Reaction detection experimental device for closing elevator door and shielding by foreign matters

Info

Publication number: CN216524860U
Application number: CN202220105696.4U
Authority: CN
Inventors: 查道鹏; 黄奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2022-05-13
Anticipated expiration: 2032-01-16

Abstract

The utility model provides a reaction detection experimental device for shielding a closed elevator door by foreign matters, which comprises a base, wherein the upper end of the base is provided with an installation platform, one side of the installation platform is respectively provided with an upper installation strip and a lower installation strip, the inside of the upper installation strip is rotatably provided with a screw rod, a T-shaped moving block is in threaded connection with the screw rod, the other end of the moving block is provided with an electric push rod, the other end of the electric push rod is provided with a detection frame, two sides of the detection frame are respectively provided with a pressure detection plate, and the inside of the detection frame is provided with a pressure sensor in telecommunication connection with the pressure detection plate; the inside draw-in groove that is equipped with of lower mounting bar, and the inside follow-up piece that slides of draw-in groove has two "T" shapes, and the telescopic link is all installed to every follow-up piece other end, and the detection disk is installed to the telescopic link other end, and the installation has photoelectric sensor and dysmorphism electromagnetism absorption piece to detect the disk opposite side inlay. The utility model can detect the reaction that the elevator door is closed and is shielded by foreign matters, thereby reducing the labor capacity of workers and improving the working efficiency.

Description

Reaction detection experimental device for closing elevator door and shielding by foreign matters

Technical Field

The utility model mainly relates to the technical field of elevator door detection, in particular to a reaction detection experimental device for detecting the condition that an elevator door is closed and is shielded by foreign matters.

Background

An elevator door for passengers to get in and out is provided at an entrance and an exit of the elevator car or an entrance and an exit of the elevator hall. Generally, the elevator doors are configured such that two elevator doors are overlapped, and when the elevator doors are closed, one elevator door is moved to a position contacting with a closed side end surface of the doorway, and the other elevator door is moved to a half position, thereby closing the doorway. When the elevator doors are opened, one of the elevator doors and the other elevator door are moved to the opening side end surface of the doorway, and in this state, the one elevator door and the other elevator door are overlapped with each other, so that the doorway is in a fully opened state.

The elevator is widely applied to daily life of people, so the safety of the elevator is extremely high. The elevator is installed in production, should detect the lift-cabin door to ensure that the elevator is in safe state, and do not have to close to the elevator door and receive the detection device that the foreign matter sheltered from the reaction, lean on the staff to detect by oneself at present, not only increased staff's amount of labour, still can't guarantee the detection effect.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a reaction detection experimental device for detecting the closing of an elevator door and blocking the closing of the elevator door by foreign matters, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a reaction detection experimental device for preventing an elevator door from being closed by foreign matters comprises a base, wherein an installation table is installed at the upper end of the base, an upper installation strip and a lower installation strip are installed on one side of the installation table respectively, a screw rod is rotatably installed in the upper installation strip, a T-shaped moving block is connected to the screw rod in a threaded mode, an electric push rod is installed at the other end of the moving block, a detection frame is installed at the other end of the electric push rod, pressure detection plates are installed on two sides of the detection frame respectively, and a pressure sensor in telecommunication connection with the pressure detection plates is arranged in the detection frame; the inside draw-in groove that is equipped with of lower mounting bar, just the inside follow-up piece that slides of draw-in groove has two "T" shapes, every the follow-up piece other end all installs the telescopic link, the detection circle piece is installed to the telescopic link other end, it has photoelectric sensor and special-shaped electromagnetic adsorption piece to inlay the installation to detect the circle piece opposite side.

Preferably, a controller is mounted on the mounting table.

Preferably, a plurality of universal auto-lock wheels are installed to the base lower extreme.

Preferably, the top ends of the upper mounting bar and the lower mounting bar are provided with scales, and the upper ends of the moving block and the two follow-up blocks are provided with pointing needles.

Preferably, one side of the upper mounting bar is provided with a stepping motor, and the output end of the stepping motor is connected with the axis of the screw rod.

Preferably, the photoelectric sensor is located at an eccentric position of the detection round block far away from the other detection round block.

Preferably, a timer is mounted on the lower mounting bar.

Compared with the prior art, the utility model has the beneficial effects that the follow-up block is moved firstly, the distance of the telescopic rod is adjusted, the detection round block is tightly attached to the inner side wall of the elevator door frame, the special-shaped electromagnetic adsorption block is started, the stepping motor and the electric push rod are started, the detection frame is arranged between two elevator doors, the elevator doors are slowly closed, the photoelectric sensor is shielded, the timer starts to time, the special-shaped electromagnetic adsorption block is adsorbed on the elevator doors due to the starting of the special-shaped electromagnetic adsorption block and moves along with the movement of the elevator doors until the sensor of the elevator doors detects the detection frame, the elevator doors send an alarm and prepare for resetting, the time of the timer and the moving distance of the follow-up block at the moment are recorded, and the detection of the reaction that the closing of the elevator doors is shielded by foreign matters is realized; the elevator door is slowly closed, then the electric push rod is started, so that the detection frame is quickly sent between the elevator doors, the elevator doors can firstly apply pressure to the pressure detection plate, then the elevator doors give an alarm and prepare for resetting, and the stress analysis of the pressure detection plate is obtained through the pressure sensor, so that the depth detection of the shielding reaction of the elevator doors due to foreign matters is realized; the device not only ensures the detection result, but also is convenient and quick to use.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the upper mounting bar of the present invention;

FIG. 3 is a perspective view of the lower mounting bar of the present invention;

FIG. 4 is an enlarged view of the present invention at A.

In the figure: 1. a base; 11. an installation table; 12. calibration; 13. a pointing needle; 14. a universal self-locking wheel; 2. mounting a strip; 21. a screw; 22. a moving block; 23. a stepping motor; 24. an electric push rod; 25. a detection frame; 26. a pressure detection plate; 27. a pressure sensor; 3. a lower mounting bar; 31. a card slot; 32. a follower block; 33. a telescopic rod; 34. detecting a round block; 35. a photosensor; 36. a special-shaped electromagnetic adsorption block; 37. a timer; 4. and a controller.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a reaction detection experimental apparatus that lift-cabin door closed and is sheltered from by foreign matter, includes base 1, mount table 11 is installed to base 1 upper end, mount table 11 installs mounting bar 2 and lower mounting bar 3 respectively in one side, it all is equipped with scale 12 with 3 tops of lower mounting bar to go up mounting bar 2, just directional needle 13 is all installed to movable block 22 and two follow-up pieces 32 upper ends, through scale 12 and directional needle 13, can carry out real-time the accuse to the displacement distance of movable block 22 and follow-up piece 32, is convenient for adjust, increases the practicality.

Please refer to fig. 1 and 2 again, a screw 21 is rotatably installed inside the upper mounting bar 2, a T-shaped moving block 22 is connected to the screw 21 in a threaded manner, an electric push rod 24 is installed at the other end of the moving block 22, a detection frame 25 is installed at the other end of the electric push rod 24, pressure detection plates 26 are respectively installed at two sides of the detection frame 25, a pressure sensor 27 in telecommunication connection with the pressure detection plates 26 is installed inside the detection frame 25, a stepping motor 23 is installed at one side of the upper mounting bar 2, and the output end of the stepping motor 23 is connected with the axis of the screw 21. The stepping motor 23 is started to drive the screw 21 to rotate, so that the position of the moving block 22 is changed, and the position of the moving block 22 is adjusted.

Please refer to fig. 1, 3 and 4 again, a slot 31 is arranged inside the lower mounting bar 3, two T-shaped follower blocks 32 are arranged inside the slot 31 in a sliding manner, an expansion link 33 is arranged at the other end of each follower block 32, a detection round block 34 is arranged at the other end of the expansion link 33, a photoelectric sensor 35 and a special-shaped electromagnetic adsorption block 36 are embedded at the other side of the detection round block 34, the photoelectric sensor 35 is located at an eccentric position of the detection round block 34 away from the other detection round block 34, a timer 37 is arranged on the lower mounting bar 3, the special-shaped electromagnetic adsorption block 36 can be adsorbed on the elevator door and moves along with the movement of the elevator door, the photoelectric sensor 35 is shielded, the timer 37 is started, and the timer 37 records the movement time of the elevator door.

Please refer to fig. 1-4 again, the lower end of the base 1 is provided with a plurality of universal self-locking wheels 14, the universal self-locking wheels 14 facilitate the movement and fixation of the device, the mounting table 11 is provided with a controller 4, the controller 4 can be a controller with a model of NUC120, a signal output end of the controller 4 is electrically connected with all electric devices of the device, a power input end of the controller 4 is connected with a mains supply, and the device is powered by the mains supply, and the detailed connection means is a known technique in the art and is not described herein.

The specific operation mode of the utility model is as follows:

when the worker uses the elevator, firstly, the follow-up block 32 is moved, the distance of the telescopic rod 33 is adjusted, the detection round block 34 is tightly attached to the inner side wall of the elevator door frame, then the special-shaped electromagnetic absorption block 36 is started, then the stepping motor 23 is started, the screw rod 21 is driven to rotate, the position of the movable block 22 is changed, the electric push rod 24 is started, the detection frame 25 is placed between two elevator doors, the elevator door is closed, when the elevator door comes out from a door gap, the photoelectric sensor 35 is shielded, the timer 37 starts to time, meanwhile, the special-shaped electromagnetic absorption block 36 is absorbed on the elevator door due to the starting of the special-shaped electromagnetic absorption block 36 and moves along with the movement of the elevator door until the sensor of the elevator door detects the detection frame 25, the elevator door gives an alarm and prepares to reset, the time of the timer 37 and the moving distance of the follow-up block 32 at the moment are recorded, and the detection of the response that the elevator door is shielded by foreign matters is realized, then, the device and the elevator door are reset, the elevator door is closed slowly, then the electric push rod 24 is started, so that the detection frame 25 is sent between the elevator doors quickly, the elevator door applies pressure to the pressure detection plate 26 firstly, then the elevator door gives an alarm to prepare for resetting, the stress analysis of the pressure detection plate 26 is obtained through the pressure sensor 27, and the depth detection of the shielding reaction of the elevator door closed by foreign matters is realized.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a reaction that lift-cabin door closed and is sheltered from by foreign matter detects experimental apparatus, includes base (1), its characterized in that: the device comprises a base (1), and is characterized in that a mounting table (11) is mounted at the upper end of the base (1), an upper mounting bar (2) and a lower mounting bar (3) are respectively mounted on one side of the mounting table (11), a screw rod (21) is rotatably mounted in the upper mounting bar (2), a T-shaped moving block (22) is in threaded connection with the screw rod (21), an electric push rod (24) is mounted at the other end of the moving block (22), a detection frame (25) is mounted at the other end of the electric push rod (24), pressure detection plates (26) are respectively mounted on two sides of the detection frame (25), and a pressure sensor (27) which is in telecommunication connection with the pressure detection plates (26) is arranged in the detection frame (25);

lower mounting bar (3) inside is equipped with draw-in groove (31), just draw-in groove (31) inside slip has follow-up block (32) of two "T" shapes, every follow-up block (32) other end all installs telescopic link (33), detection circle piece (34) are installed to the telescopic link (33) other end, it inlays and is installed photoelectric sensor (35) and special-shaped electromagnetic adsorption piece (36) to detect circle piece (34) opposite side.

2. The experimental device for reaction detection of the closing of elevator door blocked by the foreign matter as claimed in claim 1, wherein: and the mounting table (11) is provided with a controller (4).

3. The experimental device for reaction detection of the closing of elevator door blocked by the foreign matter as claimed in claim 1, wherein: the lower end of the base (1) is provided with a plurality of universal self-locking wheels (14).

4. The experimental device for reaction detection of the closing of elevator door blocked by the foreign matter as claimed in claim 1, wherein: the top ends of the upper mounting bar (2) and the lower mounting bar (3) are provided with scales (12), and the upper ends of the moving block (22) and the two follow-up blocks (32) are provided with pointing needles (13).

5. The experimental device for reaction detection of the closing of elevator door blocked by the foreign matter as claimed in claim 1, wherein: go up mounting bar (2) one side and be equipped with step motor (23), just step motor (23) output and screw rod (21) axle center are connected.

6. The experimental device for reaction detection of the closing of elevator door blocked by the foreign matter as claimed in claim 1, wherein: the photoelectric sensor (35) is positioned at the eccentric position of the detection round block (34) far away from the other detection round block (34).

7. The experimental device for reaction detection of the closing of elevator door blocked by the foreign matter as claimed in claim 1, wherein: and a timer (37) is arranged on the lower mounting bar (3).