CN214987989U - Coal conveying belt deviation preventing mechanism - Google Patents
Coal conveying belt deviation preventing mechanism Download PDFInfo
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- CN214987989U CN214987989U CN202120994910.1U CN202120994910U CN214987989U CN 214987989 U CN214987989 U CN 214987989U CN 202120994910 U CN202120994910 U CN 202120994910U CN 214987989 U CN214987989 U CN 214987989U
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- deviation
- conveying belt
- coal conveying
- angle
- control module
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Abstract
The utility model relates to a coal conveying belt deviation prevention mechanism, which is provided with two groups of deviation switches symmetrically arranged on two sides of a coal conveying belt and a control module, wherein the information of the deflection angles measured by the two groups of deviation switches is input into the control module, and three angle gear monitoring modes of a home position angle, a primary switch angle and a secondary switch angle corresponding to the deviation switches are arranged in the control module; the automatic deviation rectifying actuating mechanisms of the coal conveying belts are respectively arranged corresponding to each group of deviation switches, each group of automatic deviation rectifying actuating mechanisms of the coal conveying belts are arranged at one side of the corresponding deviation switches in a neighboring mode, each automatic deviation rectifying actuating mechanism of the coal conveying belts is provided with an electric push rod, and a deviation rectifying baffle is arranged on the front end head of each electric push rod; the utility model discloses a make the improvement on the basis of traditional belt off tracking switch, adopted machinery, automatically controlled form that combines together, overall structure improves though simple, but the practicality is strong, and the mechanism reaction is sensitive, causes the belt to shut down because of the off tracking problem for the reduction and provides the powerful guarantee.
Description
Technical Field
The utility model belongs to the technical field of power plant electricity generation raw materials conveying equipment technique and specifically relates to a coal conveyor belt prevents off tracking mechanism.
Background
At present, a large amount of fire coal is used in a thermal power plant, a coal conveying belt is used for conveying the fire coal, the coal conveying belt is in operation process, the quantity of the fire coal of each part is difficult to ensure to be balanced, load on the coal conveying belt is unbalanced, the belt is always deviated to one side under the action of the gravity of the coal, belt deviation switches are arranged on two symmetrical positions of two sides of a plurality of coal conveying belts at this time, the deviation switches are extruded by side pressure opposite rollers to form an inclined angle, the inclined angle is transmitted to control equipment to reflect whether the belt is deviated, and under the common condition, the deviation switches are only used for quantifying the deviation degree of the belt, and then prompt an operator to stop for maintenance and cannot automatically perform deviation correcting operation.
Disclosure of Invention
The utility model aims at providing a coal conveyor belt prevents off tracking mechanism to above-mentioned condition, should prevent off tracking mechanism and adopt machinery, automatically controlled form that combines together to monitor the coal conveyor belt and rectify, and the reaction is sensitive fast.
The utility model has the following concrete scheme: a coal conveying belt deviation prevention mechanism is provided with two groups of deviation switches symmetrically arranged on two sides of a coal conveying belt, and is also provided with a control module, deflection angle information measured by the two groups of deviation switches is input into the control module, and three angle gear monitoring modes of an in-situ angle, a primary switch angle and a secondary switch angle corresponding to the deviation switches are arranged in the control module; the automatic deviation rectifying device comprises a coal conveying belt, a deviation rectifying device and a deviation rectifying device, wherein the deviation rectifying device is arranged on the coal conveying belt, and the deviation rectifying device is arranged on the coal conveying belt.
Further, the utility model discloses in the baffle cuboid that rectifies is cubic, sets horizontal rectangular arc surface to with the side of coal conveyor belt contact on the baffle that rectifies, and the axial of this arc surface sets up with coal conveyor belt's marginal parallel and level.
Further, in the utility model discloses in control module has the PLC controller, still is equipped with time relay among the control module, time relay monitors the angle deflection duration of one-level switch angle and second grade switch angle.
The utility model discloses a make the improvement on the basis of traditional belt off tracking switch, adopted machinery, automatically controlled form that combines together, overall structure improves though simply, but the practicality is strong, and the mechanism reaction is sensitive, for reducing to cause the belt to shut down because of the off tracking problem and provide the powerful guarantee, has fine in-service use and spreading value.
Drawings
Fig. 1 is a schematic view of the structure of the main view direction 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 direction structure schematic diagram of the automatic deviation rectifying actuating mechanism of the middle coal conveying belt.
In the figure: the automatic deviation correction device comprises a belt rubber roller 1, a coal conveying belt 2, a home position angle 3, a primary switch angle 4, a secondary switch angle 5, a coal conveying belt automatic deviation correction executing mechanism 6, a deviation switch 7, an electric push rod 8, a deviation correction baffle 9, a control module 10, a time relay 11 and an arc surface 12.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model relates to a coal conveying belt deviation prevention mechanism, which is provided with two sets of deviation switches 7 symmetrically arranged on two sides of a coal conveying belt and a control module 10, wherein deflection angle information measured by the two sets of deviation switches is input into the control module, and the control module is provided with three angle gear monitoring modes of a home position angle 3, a primary switch angle 4 and a secondary switch angle 5 corresponding to the deviation switches; the coal conveying belt automatic deviation rectifying device is characterized in that a coal conveying belt automatic deviation rectifying executing mechanism 6 is arranged corresponding to each group of deviation switches respectively, each group of coal conveying belt automatic deviation rectifying executing mechanism is arranged on one side of the corresponding deviation switch in a neighboring mode, the coal conveying belt automatic deviation rectifying executing mechanism is provided with an electric push rod 8, a deviation rectifying baffle 9 is arranged on the front end of the electric push rod, and the deviation rectifying baffle is arranged opposite to the edge of an upper coal supporting belt of the coal conveying belt 2.
Further, in this embodiment the side that the baffle cuboid of rectifying is cubic, on the baffle of rectifying and coal conveying belt contact sets up into horizontal rectangular arc surface 12, and the axial of this arc surface sets up with coal conveying belt's edge parallel and level.
Further, in this embodiment, the control module has a PLC controller, and the control module is further provided with a time relay 11, which monitors the angular deflection duration of the primary switching angle and the secondary switching angle.
In order to reduce the condition of belt halt caused by the deviation problem, the deviation switch is reformed into a device with an automatic deviation rectifying function, when the deflection angle of a vertical roller of the deviation switch reaches a primary switch angle, a signal is sent to a control module, a time relay in the control module monitors the duration time of the primary switch angle and delays for a certain time, then an electric push rod in an automatic deviation rectifying actuating mechanism of the coal conveying belt on the deviation side is started, a deviation rectifying baffle plate presses the edge of the belt to slowly rectify the position of the belt, the position cannot be too forcefully too violent, the belt is slowly rectified, and when the deviation switch monitors that the belt returns to a normal in-situ angle, the electric push rod retracts and resets.
The control module is internally provided with a time relay for timing work in the deviation rectifying process, so that the automatic deviation rectifying actuating mechanism of the coal conveying belt is prevented from being protected when the deviation rectifying actuating mechanism cannot timely and effectively rectify deviation due to overlarge deflection force of a vertical rod in the deviation rectifying switch.
If the deviation of the coal conveying belt is serious, when the coal conveying belt reaches the angle of the secondary switch, the fault is serious at the moment, the automatic deviation correction cannot be carried out simply through the deviation correction executing mechanism, manual interference is needed, the fault reason of the conveying equipment is checked, and the fault is timely eliminated, so that the deviation switch sends a stop signal, and the automatic stop of the deviation fault of the coal conveying belt is realized.
The control module in the embodiment has the functions of monitoring and calculating information conditions and issuing instructions; the utility model provides a deviation switch then is the prior art product of direct purchase on the market, take to use can.
The utility model discloses a make the improvement on the basis of traditional belt off tracking switch, adopted machinery, automatically controlled form that combines together, overall structure improves though simply, but the practicality is strong, and the mechanism reaction is sensitive, for reducing to cause the belt to shut down because of the off tracking problem and provide the powerful guarantee, has fine in-service use and spreading value.
Claims (3)
1. The utility model provides a coal-conveying belt prevents off tracking mechanism, has two sets of off tracking switches of symmetrical arrangement in coal-conveying belt both sides, its characterized in that: the deflection angle monitoring system is characterized by also comprising a control module, wherein deflection angle information measured by the two groups of deflection switches is input into the control module, and the control module is internally provided with three angle gear monitoring modes, namely an in-situ angle, a primary switch angle and a secondary switch angle, which correspond to the deflection switches; the automatic deviation rectifying device comprises a coal conveying belt, a deviation rectifying device and a deviation rectifying device, wherein the deviation rectifying device is arranged on the coal conveying belt, and the deviation rectifying device is arranged on the coal conveying belt.
2. The deviation preventing mechanism of the coal conveying belt as claimed in claim 1, wherein: the side face of the deviation-correcting baffle, which is in contact with the coal conveying belt, is arranged into a transverse strip-shaped arc surface, and the axial direction of the arc surface is parallel and level to the edge of the coal conveying belt.
3. The deviation preventing mechanism of the coal conveying belt as claimed in claim 1, wherein: the control module is provided with a PLC controller, and a time relay is further arranged in the control module and used for monitoring the angle deflection duration of the primary switch angle and the secondary switch angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994910.1U CN214987989U (en) | 2021-05-11 | 2021-05-11 | Coal conveying belt deviation preventing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994910.1U CN214987989U (en) | 2021-05-11 | 2021-05-11 | Coal conveying belt deviation preventing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214987989U true CN214987989U (en) | 2021-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120994910.1U Expired - Fee Related CN214987989U (en) | 2021-05-11 | 2021-05-11 | Coal conveying belt deviation preventing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214987989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158975A (en) * | 2022-07-07 | 2022-10-11 | 河南理工大学 | Monitoring equipment convenient for real-time monitoring of mineral transportation equipment |
-
2021
- 2021-05-11 CN CN202120994910.1U patent/CN214987989U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158975A (en) * | 2022-07-07 | 2022-10-11 | 河南理工大学 | Monitoring equipment convenient for real-time monitoring of mineral transportation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |