CN114162524B - Automatic correcting mechanism for belt of mining conveyor - Google Patents
Automatic correcting mechanism for belt of mining conveyor Download PDFInfo
- Publication number
- CN114162524B CN114162524B CN202111297333.1A CN202111297333A CN114162524B CN 114162524 B CN114162524 B CN 114162524B CN 202111297333 A CN202111297333 A CN 202111297333A CN 114162524 B CN114162524 B CN 114162524B
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- belt
- magnetorheological
- piston rod
- shell
- damper
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000005065 mining Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 230000008859 change Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/10—Arrangements of rollers
- B65G39/12—Arrangements of rollers mounted on framework
- B65G39/16—Arrangements of rollers mounted on framework for aligning belts or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
- B65G2203/0283—Position of the load carrier
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses an automatic correcting mechanism for a belt of a mining conveyor, which comprises a roller, a support column, a support plate, a magnetorheological damper, a base, a pressure sensor, magnetorheological fluid, a return spring, a coil, an inner cavity, a piston rod and a shell. The invention is provided with a mounted magneto-rheological damper, the inner cavity of the magneto-rheological damper is filled with magneto-rheological fluid, when the conveyor normally works, the magneto-rheological fluid is in a solid state under the action of an external magnetic field, and under the condition, a piston rod cannot move. Once the conveyer belt takes place the off tracking phenomenon, the external magnetic field is removed, and magnetorheological suspensions becomes liquid state fast, and the piston rod can move, makes the attenuator obtain certain flexible volume, can adjust the conveyer belt fast through controlling magnetorheological dampers when the conveyer belt off tracking for the conveyer normally works.
Description
Technical Field
The invention relates to a conveyor belt correcting mechanism, in particular to an automatic correcting mechanism for a conveyor belt for a mine, and belongs to the technical field of coal mine transportation.
Background
Coal is one of energy mainly used by human beings, the storage capacity of the coal in China is large, and the coal is transported by using a belt conveyor after being mined. However, the deviation of the conveyor belt often occurs during the use process, so that the deviation of the belt is corrected by a belt conveyor deviation correcting device.
The traditional manual adjustment has the problems of untimely and incomplete manual adjustment, high labor intensity and the like, the automatic correction mechanism of the belt conveyor gradually replaces the manual adjustment, the labor intensity of workers can be reduced, meanwhile, the safety is enhanced, the labor productivity is improved, but the accuracy and the sensitivity of the existing automatic correction mechanism are poor, in the using process, the response time is long, and the correction cannot be carried out in time.
The magnetic rheological liquid is one new kind of intelligent material and consists of mainly dispersed grains, base carrier liquid and additive. The magnetorheological fluid has excellent controllability, can rapidly show the controllable change of viscosity and shear stress under the action of an external magnetic field, and the size of the magnetorheological fluid is related to the strength of the external magnetic field; after the external magnetic field is removed, the liquid can be quickly transformed into Newtonian fluid from a solid-like state. The change process is reversible and quick in response, and can be completed within a few milliseconds, so that the automatic correction mechanism for the belt of the mining conveyor is designed in order to further improve the accuracy and the sensitivity of the automatic correction mechanism, and the magneto-rheological damper can greatly shorten the response time of the correction mechanism.
Disclosure of Invention
The invention aims to provide an automatic correcting mechanism for a belt of a mine conveyor, aiming at solving the problems.
The invention realizes the purpose through the following technical scheme: automatic correcting mechanism for belt of mining conveyor, comprising
The base is in a square frame shape and forms a supporting main body structure of the automatic correction mechanism;
the rollers are arranged below the conveyor belt in a group two by two and are rotatably connected to the supporting plate above the base;
the magnetorheological damper is arranged on the inner side of the base, positioned on two sides of the roller and composed of a shell fixedly connected with the base, a piston rod arranged in the shell and magnetorheological fluid filled in an inner cavity of the shell.
As a still further scheme of the invention: and a connecting rod is rotatably connected between the outer ends of the two piston rods, and the center of the lower plate surface of the supporting plate is fixedly connected with the center part of the connecting rod through a strut.
As a still further scheme of the invention: a plurality of coils are arranged on the inner wall of the inner cavity of the magnetorheological damper, and the coils are in a power-on state when the conveyor normally works.
As a still further scheme of the invention: and a pressure sensor is arranged at the joint of the outer side end of the piston rod and the connecting rod, and a pressure change signal sensed by the pressure sensor is transmitted to the magnetorheological damper.
As a still further scheme of the invention: and a return spring for supporting the inner side end of the piston rod is arranged in the shell of the magnetorheological damper.
As a still further scheme of the invention: the two sides of the supporting plate are arranged in an upward inclined manner.
The beneficial effects of the invention are: the magnetorheological damper is arranged, the magnetorheological fluid is filled in the inner cavity of the magnetorheological fluid damper, when the conveyor normally works, the magnetorheological fluid is in a solid state under the action of an external magnetic field, and under the condition, the piston rod cannot move. Once the conveyer belt takes place the off tracking phenomenon, the external magnetic field is removed, and magnetorheological suspensions becomes liquid state fast, and the piston rod can move, makes the attenuator obtain certain flexible volume, can adjust the conveyer belt fast through controlling magnetorheological dampers when the conveyer belt off tracking for the conveyer normally works.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of a magnetorheological damper of the present invention.
In the figure: 1. the magnetorheological damper comprises a roller, 2, a strut, 3, a supporting plate, 4, a magnetorheological damper, 5, a base, 6, a pressure sensor, 7, magnetorheological fluid, 8, a return spring, 9, a coil, 10, an inner cavity, 11, a piston rod, 12 and a shell.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, an automatic belt correction mechanism for a mining conveyor comprises
A base 5 which is in a square frame shape and forms a supporting main body structure of the automatic correction mechanism;
the rollers 1 are arranged below the conveyor belt in a group two by two and are rotatably connected to a support plate 3 above the base 5;
the magnetorheological damper 4 is arranged on the inner side of the base 5 and positioned on two sides of the roller 1, and is composed of a shell 12 fixedly connected with the base 5, a piston rod 11 arranged in the shell 12 and magnetorheological fluid 7 filled in an inner cavity 10 of the shell 12.
In the embodiment of the invention, the connecting rods are rotatably connected between the outer ends of the two piston rods 11, the center of the lower plate surface of the supporting plate 3 is fixedly connected with the center part of the connecting rod through the strut 2, and when a conveyor belt deviates, the piston rods 11 of the magnetorheological dampers 4 can be controlled to stretch and retract, so that the conveyor belt can be rapidly adjusted, and the conveyor can normally work.
In the embodiment of the invention, two sides of the supporting plate 3 are arranged in an upward inclined manner, so that a conveyor belt above the roller 1 is arranged in a concave manner, and the transportation is convenient.
Example two
Referring to fig. 1 to 3, an automatic belt correction mechanism for a mining conveyor comprises
A base 5 which is in a square frame shape and forms a supporting main body structure of the automatic correction mechanism;
the rollers 1 are arranged below the conveyor belt in a group two by two manner and are rotatably connected to the supporting plate 3 above the base 5;
the magnetorheological damper 4 is arranged on the inner side of the base 5 and positioned on two sides of the roller 1, and is composed of a shell 12 fixedly connected with the base 5, a piston rod 11 arranged in the shell 12, and magnetorheological fluid 7 filled in an inner cavity 10 of the shell 12.
In the embodiment of the invention, the inner wall of the inner cavity 10 of the magnetorheological damper 4 is provided with the plurality of coils 9, and the coils 9 are in an electrified state when the conveyor normally works, so that the magnetorheological fluid 7 is in a solid state under the action of an external magnetic field generated by electrifying the coils 9 when the conveyor normally works, and under the condition, the piston rod 11 cannot move.
In the embodiment of the invention, the pressure sensor 6 is arranged at the joint of the outer end of the piston rod 11 and the connecting rod, and a pressure change signal sensed by the pressure sensor 6 is transmitted to the magnetorheological damper 4, so that the coil 9 in the magnetorheological damper 4 is powered off, the magnetorheological fluid 7 is changed into a fluid state, the piston rod 11 obtains a certain expansion amount, the correcting mechanism can rotate, and the position of the belt can be corrected.
In the embodiment of the invention, the shell 12 of the magnetorheological damper 4 is internally provided with the return spring 8 for supporting the inner side end of the piston rod 11, after the belt returns to the initial position, the return spring 8 arranged in the magnetorheological damper 4 pushes the piston rod 11 back to the initial position, the coil 9 is electrified, and the magnetorheological fluid 7 is changed from a liquid state to a solid state, so that the piston rod 11 cannot stretch out and draw back, and the initial state is maintained.
The automatic correction mechanism is arranged at a position where a conveyor belt is easy to deviate, when the conveyor normally works, a coil 9 in the magnetorheological damper 4 is electrified, magnetorheological fluid 7 is solid, a piston rod 11 cannot move, and the correction mechanism is in an initial state. When a conveyer belt deviates, the stress condition of the piston rod 11 is changed due to uneven pressure on the left side and the right side, the pressure sensor 6 at the tail end of the piston rod 11 senses the change and transmits a signal to the magnetorheological damper 4, so that the coil 9 in the magnetorheological damper 4 is powered off, the magnetorheological fluid 7 becomes in a fluid state, the piston rod 11 obtains a certain amount of expansion, the correcting mechanism can rotate, and the position of the belt is corrected. After the belt returns to the initial position, the piston rod 11 is pushed back to the initial position by the reset spring 8 arranged in the magnetorheological damper 4, the coil 9 is electrified, and the magnetorheological fluid 7 is changed from a liquid state to a solid state, so that the piston rod 11 cannot stretch out and draw back, and the initial state is maintained.
Taking a belt left deflection as an example, when the belt is left deflected, the pressure sensor 6 detects the change of pressure, so that the coil 9 in the right magnetorheological damper 4 is powered off, the piston rod 11 can stretch and retract, the whole correcting mechanism rotates clockwise for a certain angle, the position of the belt is corrected, after the belt returns to the initial position, the piston rod 11 is pushed back to the initial position by the reset spring 8 arranged in the magnetorheological damper 4, the coil 9 is powered on, the magnetorheological fluid 7 is changed from a liquid state to a solid state, so that the piston rod 11 cannot stretch and retract, and the initial state is maintained; and if the belt is deviated to the right, the pressure sensor 6 detects the change of the pressure when the belt is deviated to the right, so that the coil 9 in the magnetorheological fluid damper 4 on the left side is powered off, the piston rod 11 can stretch and retract, the whole correcting mechanism rotates anticlockwise by a certain angle, and the position of the belt is corrected.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an automatic mechanism of correcting of mining conveyer belt which characterized in that: comprises that
A base (5) which is in a square frame shape and forms a supporting main body structure of the automatic correction mechanism;
the rollers (1) are arranged below the conveyor belt in a group two by two manner and are rotatably connected to the supporting plate (3) above the base (5);
the magnetorheological dampers (4) are arranged on the inner side of the base (5), are positioned on two sides of the roller (1) and consist of a shell (12) fixedly connected with the base (5), a piston rod (11) placed in the shell (12) and magnetorheological fluid (7) filled in an inner cavity (10) of the shell (12); a connecting rod is rotatably connected between the outer ends of the two piston rods (11), and the center of the lower plate surface of the support plate (3) is fixedly connected with the center of the connecting rod through a strut (2).
2. The automatic correcting mechanism for the belt of the mining conveyor according to claim 1, characterized in that: a plurality of coils (9) are arranged on the inner wall of an inner cavity (10) of the magnetorheological damper (4), and the coils (9) are in a power-on state when the conveyor normally works.
3. The automatic correcting mechanism for the belt of the mining conveyor according to claim 1, characterized in that: and a pressure sensor (6) is arranged at the joint of the outer side end of the piston rod (11) and the connecting rod, and a pressure change signal sensed by the pressure sensor (6) is transmitted to the magnetorheological damper (4).
4. The automatic correcting mechanism for the belt of the mining conveyor according to claim 1, characterized in that: a return spring (8) for supporting the inner side end of the piston rod (11) is arranged in a shell (12) of the magnetorheological damper (4).
5. The automatic correcting mechanism for the belt of the mining conveyor according to claim 1, characterized in that: the two sides of the supporting plate (3) are arranged in an upward inclined shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297333.1A CN114162524B (en) | 2021-11-04 | 2021-11-04 | Automatic correcting mechanism for belt of mining conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297333.1A CN114162524B (en) | 2021-11-04 | 2021-11-04 | Automatic correcting mechanism for belt of mining conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114162524A CN114162524A (en) | 2022-03-11 |
| CN114162524B true CN114162524B (en) | 2022-07-22 |
Family
ID=80478007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111297333.1A Active CN114162524B (en) | 2021-11-04 | 2021-11-04 | Automatic correcting mechanism for belt of mining conveyor |
Country Status (1)
| Country | Link |
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| CN (1) | CN114162524B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244777A (en) * | 2007-02-15 | 2008-08-20 | 上海海事大学 | Apparatus and method for automatically correcting error of conveyer belt |
| CN203294672U (en) * | 2013-05-31 | 2013-11-20 | 四川省自贡运输机械集团股份有限公司 | Curve belt conveyer hydraulic automatic control carrier roller |
| EP2691318A2 (en) * | 2010-12-21 | 2014-02-05 | Laitram, LLC | Closed-loop magnetic positioning of conveyor belts |
| CN104386414A (en) * | 2014-10-24 | 2015-03-04 | 河北工程大学 | Automatic deviation detecting and rectifying device for mining belt conveyor |
| CN204872499U (en) * | 2015-01-29 | 2015-12-16 | 中煤张家口煤矿机械有限责任公司 | Magnetic power is from tuningout belt conveyor |
| CN108438809A (en) * | 2018-05-30 | 2018-08-24 | 武汉理工大学 | Low energy consumption self-picketing bias tyre magnetic supporting ribbon conveyer |
| JP2019038640A (en) * | 2017-08-23 | 2019-03-14 | 株式会社Ｊｒｃ | Device for correcting belt meandering in belt conveyor |
| EP3546394A1 (en) * | 2018-03-16 | 2019-10-02 | Movex S.p.A. | Support structure with improved fastening means for an articulated-link conveyor |
-
2021
- 2021-11-04 CN CN202111297333.1A patent/CN114162524B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244777A (en) * | 2007-02-15 | 2008-08-20 | 上海海事大学 | Apparatus and method for automatically correcting error of conveyer belt |
| EP2691318A2 (en) * | 2010-12-21 | 2014-02-05 | Laitram, LLC | Closed-loop magnetic positioning of conveyor belts |
| CN203294672U (en) * | 2013-05-31 | 2013-11-20 | 四川省自贡运输机械集团股份有限公司 | Curve belt conveyer hydraulic automatic control carrier roller |
| CN104386414A (en) * | 2014-10-24 | 2015-03-04 | 河北工程大学 | Automatic deviation detecting and rectifying device for mining belt conveyor |
| CN204872499U (en) * | 2015-01-29 | 2015-12-16 | 中煤张家口煤矿机械有限责任公司 | Magnetic power is from tuningout belt conveyor |
| JP2019038640A (en) * | 2017-08-23 | 2019-03-14 | 株式会社Ｊｒｃ | Device for correcting belt meandering in belt conveyor |
| EP3546394A1 (en) * | 2018-03-16 | 2019-10-02 | Movex S.p.A. | Support structure with improved fastening means for an articulated-link conveyor |
| CN108438809A (en) * | 2018-05-30 | 2018-08-24 | 武汉理工大学 | Low energy consumption self-picketing bias tyre magnetic supporting ribbon conveyer |
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| Publication number | Publication date |
|---|---|
| CN114162524A (en) | 2022-03-11 |
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