CN214683965U

CN214683965U - Monitoring device of two-degree falling protection module

Info

Publication number: CN214683965U
Application number: CN202022493973.7U
Authority: CN
Inventors: 赵珊珊; 臧俊恺
Original assignee: World Precise Machinery China Co ltd
Current assignee: World Precise Machinery China Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-11-12
Anticipated expiration: 2030-11-02

Abstract

The utility model relates to a control system field, concretely relates to two degrees monitoring devices who falls protection module, including mechanical cam module and electron cam module, mechanical cam module with encoder in the electron cam module is connected the bent axle, the bent axle rotates and drives mechanical cam module with the encoder rotates, it is right mechanical cam module with the electron cam module carries out angle setting, if in mechanical cam angle scope or electron cam angle scope, does not detect proximity switch's signal, then output device stop signal lets equipment stop work, when two degrees fall protection module inefficacy, can detect out to the maintenance personal of being convenient for overhauls.

Description

Monitoring device of two-degree falling protection module

Technical Field

The utility model relates to a control system, concretely relates to two degrees monitoring devices that fall protection module.

Background

According to the requirements of the national standard GB 5226.1 mechanical electrical safety mechanical electrical equipment, redundancy technology and safety protection are required. Multiple devices or systems for ensuring that one path fails while the other path is able to effectively perform the required function; the use of safety devices protects personnel from hazards that cannot be reasonably eliminated or the risk cannot be adequately reduced by intrinsic safety design methods.

At present, the existing machine tool is additionally provided with a two-degree falling protection function, so that the machine tool is prevented from generating a secondary continuous flushing condition in a single operation mode, accidents of personnel in the using process are avoided, but the two-degree falling protection module is assembled and completed through a proximity switch and a mounting bracket, and if the two-degree falling protection module breaks down, and a PLC system does not detect, dangers are brought to the machine tool.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve among the prior art two degrees protection module that falls itself and break down the PLC system and not detect, still can cause the problem of incident, provide a two degrees protection module's monitoring devices that falls, can detect two degrees protection module, guarantee its normal work.

The utility model adopts the technical proposal that:

a monitoring device of a two-degree drop protection module, comprising:

the second-degree falling protection module comprises an induction plate, a first proximity switch and a support for supporting the first proximity switch, wherein the induction plate is arranged on the crankshaft, the first proximity switch is installed on the support, and the support is fixed on equipment;

the mechanical cam module rotates along with the crankshaft, the mechanical cam module comprises a mechanical cam controller and a second proximity switch, the mechanical cam controller is connected with the second proximity switch, and the mechanical cam module is provided with a mechanical cam angle;

the electronic cam module comprises a PLC assembly, a touch screen and an encoder, the encoder rotates along with the crankshaft, the PLC assembly is respectively connected with the first proximity switch, the mechanical cam controller, the touch screen and the encoder, and the electronic cam is provided with an electronic cam angle.

Further, the bracket of the first proximity switch is installed at the 15-degree position of the crankshaft.

Further, the mechanical cam angle is set to 340 ° -30 °.

Further, the electronic cam angle is set consistent with the mechanical cam angle range.

Further, if the first proximity switch signal is not detected within the mechanical cam angle and/or within the electronic cam angle, an output device stop signal is output.

Further, if the first proximity switch signal is detected within the mechanical cam angle and/or within the electronic cam angle, and then the first proximity switch signal is detected outside the mechanical cam angle and/or outside the electronic cam angle, an output device stop signal is output.

Further, the model number adopted by the mechanical cam controller is ZTL-04 BB.

Compared with the prior art, the utility model discloses a technological effect:

the utility model discloses be provided with mechanical cam module and electron cam module, mechanical cam module with encoder in the electron cam module is connected the bent axle, the crankshaft rotates and drives mechanical cam module with the encoder rotates, it is right mechanical cam module with electron cam module carries out the angle setting, if in mechanical cam angle within range or electron cam angle within range, does not detect first proximity switch's signal, then output device stop signal lets equipment stop work, when the two degrees protection module that falls became invalid, can detect out to the maintenance personal of being convenient for overhauls.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a two-level drop protection module according to an embodiment of the present invention;

fig. 2 is a schematic block diagram of a detection apparatus for a two-level drop protection module according to an embodiment of the present invention.

In the figure, 1 is a crankshaft, 2 is a sensing plate, 3 is a first proximity switch, 4 is a bracket, 5 is a mechanical cam controller, 6 is a PLC component, and 7 is an encoder.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The embodiment provides a monitoring device of a two-degree falling protection module, as shown in fig. 1 and fig. 2, the monitoring device of the two-degree falling protection module comprises a two-degree falling protection module, a mechanical cam module and an electronic cam module, wherein the two-degree falling protection module comprises an induction plate 2, a first proximity switch 3 and a bracket 4 for supporting the first proximity switch 3, the induction plate 2 is arranged on a crankshaft 1, the first proximity switch 3 is arranged on the bracket 4, the bracket 4 is fixed on a device, the mechanical cam module rotates along with the crankshaft 1, the mechanical cam module comprises a mechanical cam controller 5 and a second proximity switch, the mechanical cam controller 5 is connected with the first proximity switch, the mechanical cam module is provided with a mechanical cam angle, the electronic cam module comprises a PLC component 6, a touch screen and an encoder 7, the encoder 7 rotates along with the crankshaft 1, the PLC component 6 is respectively connected with the first proximity switch 3, the mechanical cam controller 5, the touch screen and the encoder 7, and the electronic cam is provided with an electronic cam angle.

It should be noted that, in the present embodiment, the PLC component 6 reads the real-time operation angle of the mechanical cam controller 5 in real time, that is, the mechanical cam angle; the PLC component 6 reads the second stroke data in the encoder 7 to further carry out calculation, and a real-time operation angle of the press machine, namely an electronic cam angle, can be obtained; if the first proximity switch 3 signal is not detected in the mechanical cam angle and/or the electronic cam angle, outputting a device stop signal to stop the device;

if the first proximity switch 3 signal is detected in the mechanical cam angle and/or the electronic cam angle, and then the first proximity switch 3 signal is detected outside the mechanical cam angle and/or outside the electronic cam angle, a device stop signal is output to stop the device, so that the device can still continue to work under the condition of the failure of the second-degree falling protection module, and the problem of safety accidents is avoided.

Further, the bracket 4 of the first proximity switch 3 is mounted at a 115 ° position of the crankshaft.

Further, the mechanical cam angle is set to 340 ° -30 °.

Further, the electronic cam angle is set to be consistent with the mechanical cam angle range, and in the embodiment, the electronic cam angle is set on the touch screen.

Further, the model number adopted by the mechanical cam controller 5 is ZTL-04 BB.

To sum up, in this embodiment the mechanical cam module with encoder 7 in the electronic cam module is connected bent axle 1, bent axle 1 rotates and drives mechanical cam module with encoder 7 rotates, it is right mechanical cam module with the electronic cam module carries out the angle setting, if in mechanical cam angle within range or electronic cam angle within range, does not detect first proximity switch 3's signal, then output device stop signal lets equipment stop work, when the two-degree fall protection module inefficacy, can detect to the maintenance personal of being convenient for overhauls.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a monitoring devices of two degrees protection module that fall which characterized in that includes:

the second-degree falling protection module comprises an induction plate (2), a first proximity switch (3) and a support (4) for supporting the first proximity switch (3), wherein the induction plate (2) is arranged on the crankshaft (1), the first proximity switch (3) is installed on the support (4), and the support (4) is fixed on equipment;

the mechanical cam module rotates along with the crankshaft (1), the mechanical cam module comprises a mechanical cam controller (5) and a second proximity switch, the mechanical cam controller (5) is connected with the second proximity switch, and the mechanical cam module is provided with a mechanical cam angle;

the electronic cam module comprises a PLC assembly (6), a touch screen and an encoder (7), wherein the encoder (7) rotates along with the crankshaft (1), the PLC assembly (6) is respectively connected with the first proximity switch (3), the mechanical cam controller (5), the touch screen and the encoder (7), and the electronic cam is provided with an electronic cam angle.

2. Monitoring device of a two-degree-fall protection module according to claim 1, characterized in that the bracket (4) of the first proximity switch (3) is mounted at 15 ° of the crankshaft (1).

3. A monitoring device of a two-degree-fall protection module according to claim 1, characterized in that the mechanical cam angle is set to 340-30 °.

4. A monitoring device of a two degree drop protection module as claimed in claim 3, wherein the electronic cam angle is set in line with the mechanical cam angle range.

5. A monitoring device of a two degree drop protection module according to claim 4, characterized in that an output device stop signal is output if the first proximity switch (3) signal is not detected within the mechanical cam angle and/or within the electronic cam angle.

6. A monitoring device of a two degree drop protection module according to claim 4, characterized in that an output device stops working signal if the first proximity switch (3) signal is detected within the mechanical cam angle and/or within the electronic cam angle and then the first proximity switch (3) signal is detected again outside the mechanical cam angle and/or outside the electronic cam angle.

7. Monitoring device of a two-degree drop protection module according to claim 1, characterized in that the mechanical cam controller (5) is of type ZTL-04 BB.