CN215495482U

CN215495482U - Teaching device for safety interlocking training

Info

Publication number: CN215495482U
Application number: CN202120702079.8U
Authority: CN
Inventors: 李证宇; 胡建; 程磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2022-01-11
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a teaching device for safety interlocking training, which relates to the technical field of safety interlocking training and aims at solving the problems that a planarized teaching material in the prior art cannot vividly show the internal structure and control logic of safety interlocking, the training effect is poor and the waste utilization rate is low. The teaching device has the advantages that the parts of the waste equipment are utilized, the circuit is designed and assembled automatically, the cost is extremely low, the training effect can be greatly improved, the demonstration effect is realized, and the learning initiative is improved.

Description

Teaching device for safety interlocking training

Technical Field

The utility model relates to the technical field of safety interlocking training, in particular to a teaching device for safety interlocking training.

Background

In the past, more safety interlocking training is performed by using slides and video teaching, and the internal structure and control logic of the safety interlocking cannot be visually displayed by planar teaching materials, so that the training effect is poor. In addition, with the change of technologies and the expiration of the service life, a plurality of devices in the production line are eliminated, and the direct scrapping is also great waste.

After a lot of equipment in a production line is scrapped, the safety interlocking device can not be reasonably utilized after being disassembled from the equipment, and therefore, a teaching device for safety interlocking training is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a planarized teaching material cannot visually display the internal structure and the control logic of a safety interlock, the training effect is poor, and the waste utilization rate is low.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a teaching device for safety interlocking training comprises an installation frame body and transparent acrylic plates fixed on the inner side of the installation frame body, wherein adjustable supports are further installed on the left side and the right side of the installation frame body, and an air circuit breaker, a power supply, a safety grating control circuit, an EMO-safety interlocking control circuit and an EMO-plug pin type Interlock control circuit which are mutually and electrically connected are installed on each transparent acrylic plate;

the safety grating control loop comprises a grating fixed on the transparent acrylic plate, a reset button and a first fan, and the grating, the reset button and the first fan are connected through leads;

the EMO-safety interlocking control circuit comprises a safety interlock, a first EMO emergency stop button, a wire connector and a second fan, wherein the safety interlock, the first EMO emergency stop button, the wire connector and the second fan are fixed on a transparent acrylic plate and are electrically connected through conducting wires.

Preferably, the EMO-latch Interlock control circuit comprises a latch Interlock device, a door closing detector, a third fan and a second EMO emergency stop button which are fixed on the transparent acrylic plate, and the latch Interlock device, the door closing detector, the third fan and the second EMO emergency stop button are electrically connected through a lead.

Preferably, the safety interlock is electrically connected with the power supply, the first fan, the third fan and the second fan.

Preferably, the first EMO emergency stop button and the safety interlock are in an exposed state, wherein the first EMO emergency stop button is in a normally open connection method, the second EMO emergency stop button is in a normally closed connection method, and the first EMO emergency stop button and the safety interlock are provided with plug connectors.

Preferably, the front side of the installation frame body is hinged with a blocking cover, and the bottom side of the blocking cover is fastened and fixed with the installation frame body through a buckle structure.

Preferably, the power supply adopts a 24V power supply, and the blocking cover is made of a low-density polyethylene material.

The utility model has the beneficial effects that:

the teaching device has the advantages that 1, the circuit is designed and assembled automatically by utilizing accessories of waste equipment, the cost is extremely low, and the training effect can be greatly improved by the teaching device;

2, the utility model controls the operation of the fan by using the safety interlock through an autonomous design circuit. After the staff operates the safety interlock, the staff can manage the control principle and the control logic for unlocking the safety interlock by taking the running state of the fan as feedback.

3, the utility model is shown in a transparent way, has clear and visible internal structure and excellent demonstration effect, is provided with an electric leakage protection function, has a main body with 24V voltage and is safe and reliable.

Drawings

Fig. 1 is a schematic structural diagram of a teaching device for safety interlock training according to the present invention.

Fig. 2 is a schematic structural diagram of a safety grating control circuit, an EMO-safety Interlock control circuit, and an EMO-plug Interlock control circuit according to the present invention.

Reference numbers in the figures: the emergency door locking device comprises an adjustable support 1, a mounting frame 2, a blocking cover 3, an air circuit breaker 4, a power supply 5, a safety grating control loop 6, an EMO-safety interlocking control loop 7, an EMO-bolt type Interlock control loop 8, a transparent acrylic plate 9, a grating 61, a reset button 62, a first fan 63, a safety interlocking 71, a first EMO emergency stop button 72, a wire connector 73, a second fan 74, a bolt type Interlock device 81, a door closing detector 82, a third fan 83 and a second EMO emergency stop button 84.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a teaching device for safety Interlock training comprises an installation frame body 2 and transparent acrylic plates 9 fixed on the inner side of the installation frame body 2, adjustable supports 1 are further installed on the left side and the right side of the installation frame body 2, and an air circuit breaker 4, a power supply 5, a safety grating control loop 6, an EMO-safety Interlock control loop 7 and an EMO-plug type Interlock control loop 8 which are electrically connected with each other are installed on the transparent acrylic plates 9;

the safety grating control circuit 6 comprises a grating 61, a reset button 62 and a first fan 63 which are fixed on the transparent acrylic plate 9, and the grating 61, the reset button 62 and the first fan 63 are connected through conducting wires;

the EMO-safety interlock control circuit 7 includes a safety interlock 71 fixed on the transparent acrylic plate 9, a first EMO emergency stop button 72, a connector 73, and a second fan 74, and the safety interlock 71, the first EMO emergency stop button 72, the connector 73, and the second fan 74 are electrically connected by a wire.

In an alternative embodiment, the EMO-latch Interlock control circuit 8 includes a latch Interlock device 81 fixed on the transparent acrylic plate 9, a door closing detector 82, a third fan 83 and a second EMO emergency stop button 84, and the latch Interlock device 81, the door closing detector 82, the third fan 83 and the second EMO emergency stop button 84 are electrically connected through wires.

In an alternative embodiment, the safety interlock 71 is electrically connected to the power supply 5, the first fan 63, the third fan 83, and the second fan 74.

In an alternative embodiment, the connections of the first EMO emergency stop button 72 and the safety interlock 71 are exposed, wherein the first EMO emergency stop button 72 is normally open, the second EMO emergency stop button 84 is normally closed, and both are provided with plug connectors.

In an alternative embodiment, the front side of the mounting frame 2 is hinged with the blocking cover 3, and the bottom side of the blocking cover 3 is fastened and fixed with the mounting frame 2 through a buckling structure.

In an alternative embodiment, the power supply 5 is a 24V power supply, and the cover 3 is made of a low density polyethylene material.

The working principle is as follows:

demonstrating and controlling a safety grating control loop;

after the power supply 5 supplies power, the first fan 63 operates, an object is used for blocking during training, after the grating 61 is triggered, the first fan 63 stops, the reset button 62 is arranged, after the reset button 62 is pressed, the first fan 63 resumes operation, key parameters such as the safety clearance and the response time of the grating 61 can be introduced by changing the size of the object, and the reset button 62 is used for explaining that the grating is not automatically reset;

demonstrating and controlling an EMO-safety interlocking control loop;

when the first EMO emergency stop button 72 or the safety interlock 71 is triggered, the reset button 62, the second fan 74 and the third fan 83 in the running state stop running, in the device, the second EMO emergency stop button 84 and the cover plate of the safety interlock 71 are detached, the internal structure and wiring are shown, and staff can observe the change condition of the triggered circuit, so that the principle can be deeply understood, and the power supply 5 is 24V safe voltage, so that the safety and the reliability are realized;

demonstrating and controlling an EMO-bolt type Interlock control loop;

when the bolt type Interlock device 81 is in a locked state, the third fan 83 can operate, after the bolt of the bolt type Interlock device 81 is locked, a worker can insert and pull the bolt, experience pretightening force and operate a door opening process, and the Interlock is used for executing LOTO;

one of the first EMO emergency stop button 72 and the second EMO emergency stop button 84 in the EMO-safety interlocking control circuit 7 and the EMO-bolt type Interlock control circuit 8 is normally open connected, the other one is normally closed connected, a plug connector is arranged, accidental disconnection in the operation process of the equipment is simulated, and staff experience is facilitated.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The teaching device for the safety interlocking training is characterized by comprising an installation frame body (2) and a transparent acrylic plate (9) fixed on the inner side of the installation frame body (2), wherein adjustable supports (1) are further installed on the left side and the right side of the installation frame body (2), and an air circuit breaker (4), a power supply (5), a safety grating control loop (6), an EMO-safety interlocking control loop (7) and an EMO-bolt type Interlock control loop (8) which are electrically connected with each other are installed on the transparent acrylic plate (9);

the safety grating control circuit (6) comprises a grating (61), a reset button (62) and a first fan (63), wherein the grating (61), the reset button (62) and the first fan (63) are fixed on a transparent acrylic plate (9), and the grating (61), the reset button (62) and the first fan (63) are connected through conducting wires;

the EMO-safety interlocking control circuit (7) comprises a safety interlocking device (71), a first EMO emergency stop button (72), a wire connector (73) and a second fan (74), wherein the safety interlocking device (71), the first EMO emergency stop button (72), the wire connector (73) and the second fan (74) are fixed on a transparent acrylic plate (9) and are electrically connected through wires.

2. The teaching device for safety Interlock training according to claim 1, wherein the EMO-latch Interlock control circuit (8) comprises a latch Interlock device (81), a door closing detector (82), a third fan (83) and a second EMO emergency stop button (84) fixed on the transparent acrylic plate (9), and the latch Interlock device (81), the door closing detector (82), the third fan (83) and the second EMO emergency stop button (84) are electrically connected through wires.

3. The teaching apparatus for safety interlock training according to claim 2, wherein the safety interlock (71) is electrically connected to the power supply (5), the first fan (63), the third fan (83), and the second fan (74).

4. The teaching device for the safety interlock training according to claim 2, wherein the wiring of the first EMO emergency stop button (72) and the safety interlock (71) are both exposed, wherein the first EMO emergency stop button (72) is normally open, the second EMO emergency stop button (84) is normally closed, and the first EMO emergency stop button and the second EMO emergency stop button are both provided with plug connectors.

5. The teaching device for the safety interlocking training as claimed in claim 1, wherein a blocking cover (3) is hinged to the front side of the installation frame body (2), and the bottom side of the blocking cover (3) is fastened and fixed with the installation frame body (2) through a buckling structure.

6. The teaching apparatus for safety interlock training according to claim 5, wherein the power supply (5) is a 24V power supply, and the cover (3) is made of a low density polyethylene material.