CN107352241B - Lifting device with belt breakage early warning function and function implementation method thereof - Google Patents
Lifting device with belt breakage early warning function and function implementation method thereof Download PDFInfo
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- CN107352241B CN107352241B CN201710588252.4A CN201710588252A CN107352241B CN 107352241 B CN107352241 B CN 107352241B CN 201710588252 A CN201710588252 A CN 201710588252A CN 107352241 B CN107352241 B CN 107352241B
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- belt
- acquisition instrument
- data acquisition
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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
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/06—Control devices, e.g. for safety, warning or fault-correcting interrupting the drive in case of driving element breakage; Braking or stopping loose load-carriers
-
- 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
-
- 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)
- B65G2203/0275—Damage on the load carrier
-
- 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
- B65G2203/04—Detection means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides a lifting device with a belt breakage early warning function and a function implementation method thereof, wherein the lifting device comprises a roller and a belt, the belt bypasses the roller, one end of the belt is connected with a counterweight assembly, the other end of the belt is connected with a bearing platform, the counterweight assembly and the bearing platform can do lifting movement, one side of the counterweight assembly is provided with a magnetic grid, magnetic heads matched with the magnetic grid are respectively arranged near the highest point and the lowest point of a movement track of the counterweight assembly, and the magnetic heads are connected into a data acquisition instrument. According to the method, the magnetic grid sensor is matched with the data acquisition instrument, the elongation of the belt is obtained according to the highest height position information or the lowest height position information of the counterweight assembly, whether the elongation of the belt is in a safety range at the moment or not can be judged, whether the risk of fracture exists or not is judged, and the early warning of the fracture of the belt can be sent out.
Description
Technical Field
The invention relates to the field of continuous conveying, in particular to a lifting device with a belt breakage early warning function and a function implementation method thereof.
Background
On the automobile production line, the elevator is commonly applied to continuous carrying and conveying equipment, and the service life, the failure rate and the like of the elevator have great influence on conveying efficiency. The belt drive has the advantages of cleanliness, environmental protection and the like compared with the traditional chain drive, so that the belt lifter is widely used. In the belt elevator, the belt plays the effect of connecting counter weight subassembly and load-bearing platform, and the belt fracture will influence the operation of elevator, influences production efficiency, and at present to this problem of belt fracture, the method of usually adopting is that the controller carries out scram operation to the elevator when detecting the belt fracture, however this kind of technical scheme lacks early warning function in advance, and the security performance is relatively poor.
Disclosure of Invention
The invention aims to solve the problems in the background technology, and provides a lifting device with high safety performance and a belt breakage early warning function and a function implementation method thereof.
According to the technical scheme provided by the invention, the lifting device with the belt breakage early warning function comprises a roller and a belt, wherein the belt bypasses the roller, one end of the belt is connected with a counterweight assembly, the other end of the belt is connected with a bearing platform, the counterweight assembly and the bearing platform can do lifting motion, one side of the counterweight assembly is provided with a magnetic grid, magnetic heads matched with the magnetic grid are respectively arranged near the highest point and the lowest point of the motion track of the counterweight assembly, and the magnetic heads are connected into a data acquisition instrument.
Further, the magnetic heads are respectively arranged near the highest point and the lowest point of the motion trail of the counterweight component through fixed mounting seats.
A method for pre-warning of belt breakage of a lifting device, the apparatus comprising: the device comprises a roller and a belt, wherein the belt bypasses the roller, one end of the belt is connected with a counterweight assembly, the other end of the belt is connected with a bearing platform, the counterweight assembly and the bearing platform can do lifting motion, one side of the counterweight assembly is provided with a magnetic grid, magnetic heads matched with the magnetic grid are respectively installed near the highest point and the lowest point of the motion track of the counterweight assembly through fixed installation seats, and the magnetic heads are connected into a data acquisition instrument;
the method for early warning of belt breakage of the lifting device comprises the following steps:
step one: the magnetic head senses the real-time position of the magnetic grid;
step two: the data acquisition instrument periodically acquires data information of the magnetic head;
step three: when the data acquired by the data acquisition instrument is stable, the data acquisition instrument calculates to obtain the elongation of the belt;
step four: the data acquisition instrument judges whether the elongation of the belt is in a normal range;
step five: the data acquisition instrument judges whether to start an alarm function according to the elongation of the belt.
Further, in the second step, the data information transmitted to the data acquisition instrument by the magnetic head is real-time height position information of the magnetic grid.
In the third step, the stable data information collected by the data collector is the highest position information or the lowest position information of the magnetic grid.
And further, the data acquisition instrument in the third step compares the acquired stable data information with preset data information in the data acquisition instrument and obtains the elongation of the belt at the moment.
Further, the preset data information in the data acquisition instrument includes: when the belt is not deformed, the highest position information when the magnetic grating is raised to the highest position and the lowest position information when the magnetic grating is lowered to the lowest position.
The invention has the beneficial effects that: according to the invention, the magnetic grid sensor is matched with the data acquisition instrument, the elongation of the belt is obtained according to the highest height position information or the lowest height position information of the counterweight assembly, whether the elongation of the belt is in a safety range or not can be judged, and whether the belt is broken or not is dangerous or not can be judged, and the early warning of belt breakage can be sent out, so that maintenance personnel can maintain equipment in a sufficient and safe time range, the equipment failure rate is reduced, and the loss caused by belt breakage is avoided.
Drawings
Fig. 1 is a schematic structural view of a lifting device according to the present invention.
Fig. 2 is a flow chart of the method of the present invention.
1. The device comprises a fixed mounting seat, a magnetic head, a magnetic grid, a counterweight component, a bearing platform and a digital acquisition instrument.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a lifting device with a belt breakage early warning function comprises a roller and a belt, wherein the belt bypasses the roller, one end of the belt is connected with a counterweight component 4, the other end of the belt is connected with a bearing platform 5, the fixed shaft of the roller rotates to drive the belt to move, under the connection of the belt, the counterweight component 4 and the bearing platform 5 do lifting movement, if the bearing platform 5 descends, the counterweight component 4 ascends, if the bearing platform 5 ascends, the counterweight component 4 descends, one side of the counterweight component 4 is provided with a magnetic grid 3, magnetic heads 2 matched with the magnetic grid 3 are respectively arranged near the highest point and the lowest point of the movement track of the counterweight component 4, a first magnetic head is arranged near the highest point of the movement track of the counterweight component 4, a second magnetic head is arranged near the lowest point of the movement track of the counterweight component 4, and both the first magnetic head and the second magnetic head are connected with a data acquisition instrument 6.
The magnetic grating 3 and the magnetic head 2 are component parts of a magnetic grating sensor respectively, and the first magnetic head and the second magnetic head are arranged near the highest point and the lowest point of the motion track of the counterweight component 4 respectively through the fixed mounting seat 1. When the magnetic grating 3 moves to a position corresponding to the magnetic head 2, the gap distance between the magnetic grating 3 and the magnetic head 2 is about 0.01mm.
As shown in fig. 2, a method for early warning of belt breakage of a lifting device, the apparatus used includes: the device comprises a roller and a belt, wherein the belt bypasses the roller, one end of the belt is connected with a counterweight component 4, the other end of the belt is connected with a bearing platform 5, the roller is fixedly pivoted to drive the belt to move, under the connection of the belt, the counterweight component 4 and the bearing platform 5 do lifting movement, if the bearing platform 5 descends, the counterweight component 4 ascends, if the bearing platform 5 ascends, the counterweight component 4 descends, one side of the counterweight component 4 is provided with a magnetic grid 3, magnetic heads 2 matched with the magnetic grid 3 are respectively arranged near the highest point and the lowest point of the movement track of the counterweight component 4 through a fixed mounting seat 1, a first magnetic head is arranged near the highest point of the movement track of the counterweight component 4, a second magnetic head is arranged near the lowest point of the movement track of the counterweight component 4, and the first magnetic head and the second magnetic head are both connected with a data acquisition instrument 6; the method for early warning of belt breakage of the lifting device comprises the following steps:
when the counterweight assembly 4 is raised to the vicinity of the first head:
step one: the magnetic grid 3 on the counterweight component 4 can trigger the first magnetic head, and the first magnetic head senses the real-time position of the magnetic grid 3;
step two: the data acquisition instrument 6 periodically acquires data information of a first magnetic head at a time interval of delta t, wherein the data information of the first magnetic head is real-time height position information of the magnetic grating 3, and the data information of the first magnetic head is in a change state before the magnetic grating 3 reaches the highest height position;
step three: when the data acquired by the data acquisition instrument 6 is stable, the data acquisition instrument 6 calculates to obtain the elongation of the belt; when the bearing platform 5 descends to the lowest height position, the counterweight assembly 4 ascends to the highest height position, the first magnetic head senses that the real-time position of the magnetic grid 3 is stable, and the data acquisition instrument 6 acquires the data of the first magnetic head;
step four: the data acquisition instrument 6 judges whether the elongation of the belt at this time is in a normal range by comparing the calculated elongation of the belt with the normal elongation of the belt;
step five: the data acquisition instrument 6 judges whether to start the alarm function according to whether the elongation of the belt is in a normal range, and once the elongation of the belt exceeds the normal range, the belt is in danger of breaking, and the alarm function is started at the moment.
And in the third step, the data acquisition instrument 6 compares the acquired stable data information with the preset data information in the data acquisition instrument 6 to obtain the elongation of the belt at the moment. The preset data information in the data acquisition instrument 6 is as follows: when the belt is not deformed, the magnetic grid 3 is raised to the highest position.
When the counterweight assembly 4 is lowered to the vicinity of the second head:
step one: the magnetic grid 3 on the counterweight component 4 can trigger the second magnetic head, and the second magnetic head senses the real-time position of the magnetic grid 3;
step two: the data acquisition instrument 6 periodically acquires data information of a second magnetic head at a time interval of delta t, wherein the data information of the second magnetic head is real-time height position information of the magnetic grating 3, and the data information of the second magnetic head is in a change state before the magnetic grating 3 reaches the lowest height position;
step three: when the data acquired by the data acquisition instrument 6 is stable, the data acquisition instrument 6 calculates to obtain the elongation of the belt; when the bearing platform 5 ascends to the highest height position, the counterweight assembly 4 descends to the lowest height position, the second magnetic head senses that the real-time position of the magnetic grid 3 is stable, and the data acquisition instrument 6 acquires the data of the second magnetic head to be stable;
step four: the data acquisition instrument 6 judges whether the elongation of the belt at this time is in a normal range by comparing the calculated elongation of the belt with the normal elongation of the belt;
step five: the data acquisition instrument 6 judges whether to start the alarm function according to whether the elongation of the belt is in a normal range, and once the elongation of the belt exceeds the normal range, the belt is in danger of breaking, and the alarm function is started at the moment.
And in the third step, the data acquisition instrument 6 compares the acquired stable data information with the preset data information in the data acquisition instrument 6 to obtain the elongation of the belt at the moment. The preset data information in the data acquisition instrument 6 is as follows: the lowest height position information when the magnetic grid 3 is lowered to the lowest position when the belt is not deformed.
Claims (2)
1. A method for warning of belt breakage of a lifting device, characterized in that the device used comprises: the device comprises a roller and a belt, wherein the belt bypasses the roller, one end of the belt is connected with a counterweight assembly (4), the other end of the belt is connected with a bearing platform (5), the counterweight assembly (4) and the bearing platform (5) can do lifting motion, one side of the counterweight assembly (4) is provided with a magnetic grid (3), magnetic heads (2) matched with the magnetic grid (3) are respectively installed nearby the highest point and the lowest point of the motion trail of the counterweight assembly (4) through a fixed installation seat (1), and the magnetic heads (2) are connected into a data acquisition instrument (6);
the method for early warning of belt breakage of the lifting device comprises the following steps:
step one: the magnetic head (2) senses the real-time position of the magnetic grid (3);
step two: the data acquisition instrument (6) periodically acquires data information of the magnetic head (2);
step three: when the data acquired by the data acquisition instrument (6) is stable, the data acquisition instrument (6) calculates to obtain the elongation of the belt;
step four: the data acquisition instrument (6) judges whether the elongation of the belt is in a normal range;
step five: the data acquisition instrument (6) judges whether to start an alarm function according to the elongation of the belt;
and thirdly, comparing the stable data information acquired by the data acquisition instrument (6) with the preset data information in the data acquisition instrument (6) to obtain the elongation of the belt at the moment, wherein the preset data information in the data acquisition instrument (6) comprises the following components: when the belt is not deformed, the highest position information when the magnetic grid (3) rises to the highest position and the lowest position information when the magnetic grid (3) falls to the lowest position;
in the third step, the stable data information collected by the data collector (6) is the highest position information or the lowest position information of the magnetic grid (3).
2. The method for pre-warning belt breakage of lifting device according to claim 1, wherein in the second step, the data information transmitted from the magnetic head (2) to the data acquisition instrument (6) is real-time height position information of the magnetic grid (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588252.4A CN107352241B (en) | 2017-07-19 | 2017-07-19 | Lifting device with belt breakage early warning function and function implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588252.4A CN107352241B (en) | 2017-07-19 | 2017-07-19 | Lifting device with belt breakage early warning function and function implementation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107352241A CN107352241A (en) | 2017-11-17 |
| CN107352241B true CN107352241B (en) | 2023-09-01 |
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| CN201710588252.4A Active CN107352241B (en) | 2017-07-19 | 2017-07-19 | Lifting device with belt breakage early warning function and function implementation method thereof |
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| US6003843A (en) * | 1996-07-31 | 1999-12-21 | Elephant Chain Block Co., Ltd. | Belt hoist |
| JP2002356283A (en) * | 2001-05-24 | 2002-12-10 | Otis Elevator Co | Rope elongation detecting device and safe operating method for elevator |
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| Publication number | Publication date |
|---|---|
| CN107352241A (en) | 2017-11-17 |
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