CN108120539B - Paper machine rope wheel paper guide pressure detection and fault processing system and method - Google Patents
Paper machine rope wheel paper guide pressure detection and fault processing system and method Download PDFInfo
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- CN108120539B CN108120539B CN201711114355.3A CN201711114355A CN108120539B CN 108120539 B CN108120539 B CN 108120539B CN 201711114355 A CN201711114355 A CN 201711114355A CN 108120539 B CN108120539 B CN 108120539B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
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- Analytical Chemistry (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention relates to a system and a method for detecting paper guiding pressure of a rope pulley of a paper machine and processing faults. The system comprises a pressure sensor, a shearing device and a control system, and is characterized in that the pressure sensor and the shearing device are installed in a rope pulley paper leading system of a paper machine, the pressure sensor detects the tension of a paper leading rope and sends the tension to the control system, and the control system controls to stop the operation of a paper leading loop where the broken part of the paper leading rope is located or the operation of the paper machine or controls the shearing device to shear the paper leading rope when judging that the paper leading rope breaks down according to the received tension. The application of the invention can detect the tension of the paper leading rope of the paper machine rope pulley paper leading system at any time, and can find the faults of knotting, breaking or winding other parts of the paper leading rope in time according to the change of the tension, so as to process the faults in time, reduce the damage and prolong the service life of the paper machine.
Description
Technical Field
The invention belongs to the technical field of papermaking, and particularly relates to a system and a method for detecting paper guide pressure and processing faults of a rope pulley of a paper machine.
Background
In the paper making industry at present, the process of guiding a semi-finished product of paper or paper to a preset position after starting is called a paper guiding process, and most of the paper is guided by using rope pulleys.
When the rope wheel draws paper, a clamping force is usually applied by a paper guide rope guided by the rope wheel to guide the paper to a preset position.
Because the speed of paper guiding is very fast, the running speed of the rope wheel and the paper guiding rope is also very fast, the self tension borne by the rope wheel or the paper guiding rope is also relatively large, when the paper guiding rope is accidentally broken, the paper guiding rope flies disorderly at a high speed due to the self tension and the original high-speed inertia, and knots are often generated at the position of the paper guiding rope wheel, or other parts are involved, so that other parts are injured.
In order to reduce the damage of the fault and prolong the service life of the paper machine, the invention proposes the following system and method for detecting the paper guide pressure of the rope pulley of the paper machine.
Disclosure of Invention
The invention provides a system and a method for detecting the paper guide pressure of a rope pulley of a paper machine and processing faults, which aim to prolong the service life of the paper machine and reduce the damage to other parts caused by knotting, breaking or winding of paper guide ropes of the paper machine into other parts.
The invention aims to provide a paper guiding pressure detection and fault processing system for a rope pulley of a paper machine, which comprises a pressure sensor, a cutting device and a control system and is characterized in that,
the pressure sensor and the cutting device are both arranged in a rope wheel paper guiding system of a paper machine,
the pressure sensor detects the tension of the paper guiding rope and sends the tension to the control system,
and when the control system judges that the paper leading rope has a fault according to the received tension, the control system controls to stop the operation of a paper leading loop or a paper machine where the broken part of the paper leading rope is located, or controls the cutting device to cut off the paper leading rope.
Further, the pressure sensor comprises one or more of a common pressure sensor, a capacitance displacement sensor and a pressure switch.
Further, the common pressure sensor sends an analog quantity signal to the control system, the capacitance displacement sensor sends a frequency quantity signal to the control system, and the pressure switch sends a digital quantity signal to the control system.
Further, the common pressure sensor is installed as follows: the paper guide rope wheel base is arranged on the pressure sensor.
Furthermore, the capacitance type displacement sensor comprises two potential plates with intervals, the two potential plates are arranged on a base of the rope wheel system, and the tension of the paper guiding rope is measured by using the distance change of the two potential plates according to the piezoelectric effect and is sent to the control system.
Furthermore, the pressure switch penetrates through the paper guide rope to be installed, the pressure switch comprises a guide rail, a pressing plate, a spring and a limit switch, a square hole is formed in the pressing plate, the guide rail can pass through the square hole, the surface of the pressing plate, which is in contact with the paper guide rope, is a fox surface, the pressing plate slides up and down along the guide rail under the action of the tensile force of the paper guide rope and the elastic force of the spring, and the limit switch is triggered when the distance between the pressing plate and the limit switch reaches a set value.
Further, the cutting device comprises an upper cutter and a lower cutter, and the control system controls the upper cutter to be in contact with the lower cutter to cut the paper guiding rope.
Another object of the present invention is to provide a method for detecting paper machine rope sheave paper-leading pressure and processing faults by using the system for detecting paper machine rope sheave paper-leading pressure and processing faults, which comprises the following steps:
step S1, after the paper guide rope of the paper machine is drawn by the rope wheel paper guide system, the tension of the paper guide rope is detected by the pressure sensor and sent to the control system;
step S2, when the tension detected by the pressure sensor is smaller than a first set value, the control system judges that the paper leading rope is accidentally broken, the control system controls to stop the operation of a paper leading loop where the broken part of the paper leading rope is located, and if the paper head does not pass through the broken paper leading loop, the paper machine stops operating;
step S3, when the tension detected by the pressure sensor is smaller and larger than a first set value, the control system judges that the paper guiding rope is wound into other parts, and the control system sends a signal to trigger the cutting device to cut the paper guiding rope;
and step S4, when the tension detected by the pressure sensor continues to become larger than a second set value, the control system judges that the length of the paper leading rope wound into other parts is increased, and the control system controls to stop the operation of the paper machine.
Further, in step S1, the method for measuring the tension of the paper guiding rope by using the capacitive displacement sensor includes the following steps:
when the capacitive displacement sensor is subjected to the pulling force of the paper guiding rope, the distance between the two potential plates is slightly changed;
the distance change corresponds to the capacitance change between the two potential plates;
and the capacitance change corresponds to the frequency change, the control system receives the frequency, and the tension of the paper guiding rope is calculated according to a relational expression between the frequency and the tension, which is informed by the specification of the capacitive displacement sensor.
Further, in step S1, the manner that the pressure switch measures the tension of the paper guiding rope includes the following steps:
the paper guide rope drives the pressing plate to slide up and down between the spring and the limit switch along the guide rail;
when the tension of the paper guiding rope on the pressure plate is smaller than the elastic force of the spring, the pressure plate slides downwards, and when the distance between the pressure plate and the limit switch is smaller than a first set value, the limit switch is closed;
when the tension of the paper guiding rope on the pressure plate is greater than the elastic force of the spring, the pressure plate slides upwards, and when the distance between the pressure plate and the limit switch is greater than a second set value, the limit switch is switched off;
and the opening and closing signals of the limit switch are sent to the control system, so that the pressure measurement is completed.
The invention has the following beneficial effects:
the invention can detect the tension of the paper leading rope of the paper machine rope pulley paper leading system at any time, and can find the faults of knotting, breaking or rolling into other parts of the paper leading rope according to the change of the tension, so as to process the faults in time, reduce the damage and prolong the service life of the paper machine.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a schematic view of a conventional pressure sensor.
Fig. 3 is a schematic view of the installation of the capacitive displacement sensor.
Fig. 4 is a schematic view of the pressure switch installation.
Fig. 5 is a schematic view of a cutting paper-guiding rope.
Detailed Description
The following detailed description of the present invention will be provided in conjunction with the accompanying drawings and examples to better understand the aspects of the present invention and its advantages in various aspects, however, the following detailed description is provided for illustrative purposes only and is not intended to limit the present invention.
The invention provides a paper machine rope wheel paper guide pressure detection and fault processing system and a method thereof, and the specific implementation mode is as follows,
as shown in fig. 1, the system comprises a pressure sensor, a control system 2, and a cutting device 3.
The pressure sensor and the cutting device 3 are both arranged in a rope wheel paper guide system of a paper machine. The pressure sensor detects the tension of the paper guiding rope 4 and sends the tension to the control system 2. And when the control system 2 judges that the paper-leading rope 4 has a fault according to the received tension, the control system 2 controls to stop the operation of a paper-leading loop or the operation of a paper machine in which the broken part of the paper-leading rope is positioned, or controls the cutting device to cut off the paper-leading rope.
The pressure sensor comprises one or more than one of a common pressure sensor 11, a capacitance displacement sensor 12 and a pressure switch 13. The common pressure sensor 11 sends an analog quantity signal to the control system 2, the capacitance displacement sensor 12 sends a frequency quantity signal to the control system 2, and the pressure switch 13 sends a digital quantity signal to the control system 2.
The common pressure sensor 11 is installed as follows: the base of the paper guide rope wheel is arranged on the common pressure sensor 11.
The capacitance displacement sensor 12 comprises two potential plates 121 and 122 with intervals, is arranged on a base of the rope wheel system, and measures the tension of the paper guiding rope according to the piezoelectric effect and the distance change of the two potential plates 121 and 122 to send the tension to the control system 2.
The pressure switch 13 penetrates through the paper guide rope 4 to be installed, the pressure switch 13 comprises a guide rail 131, a pressing plate 132, a spring 133 and a limit switch 134, a square hole is formed in the pressing plate 132, the guide rail 131 can pass through the square hole, the surface of the pressing plate 132, which is in contact with the paper guide rope, is a fox surface, the pressing plate 132 slides up and down along the guide rail 131 under the action of the tensile force of the paper guide rope 4 and the elastic force of the spring 133, and when the distance between the pressing plate 132 and the limit switch 134 reaches a set value, the limit switch 134 is triggered.
The cutting device 3 comprises an upper knife 31 and a lower knife 32, and the control system controls the upper knife 31 and the lower knife 32 to contact and cut the paper guiding rope 4.
Another object of the present invention is to provide a method for detecting paper machine rope sheave paper-leading pressure and processing faults by using the system for detecting paper machine rope sheave paper-leading pressure and processing faults, which comprises the following steps:
step S1, after the paper guiding rope 4 of the paper machine is drawn by the rope pulley paper guiding system, the tension of the paper guiding rope 4 is detected by the pressure sensor and sent to the control system 2;
step S2, when the tension X detected by the pressure sensor is smaller than a first set value X1, the control system 2 judges that the paper guide rope 4 is accidentally broken, the control system 2 controls to stop the operation of a paper guide loop where the broken part of the paper guide rope 4 is located, and if the paper head does not pass through the broken paper guide loop, the paper machine stops operating;
a step S3 in which the tension X detected by the pressure sensor is first reduced and then increased as compared with a first set value X1, the control system 2 determines that the paper feed rope 4 is wound into another component, and the control system 2 sends a signal to trigger the cutting device 3 to cut the paper feed rope 4;
and step S4, when the tension X detected by the pressure sensor continues to increase and is larger than a second set value X2, the control system 2 judges that the length of the paper guide rope 4 wound into other parts is increased, and the control system 2 controls to stop the operation of the paper machine.
Further, in step S1, the method for measuring the tension of the paper guiding rope by the capacitive displacement sensor 12 includes the following steps:
when the capacitive displacement sensor 12 is under the tension of the paper guiding rope 4, the distance between the two potential plates 121 and 122 changes slightly;
the distance change corresponds to the capacitance change between the two potential plates;
the capacitance change corresponds to a frequency change, the control system 2 receives the frequency, and the tension of the paper guiding rope 4 is calculated according to a relational expression between the frequency and the tension, which is informed by the specification of the capacitive displacement sensor 12.
Further, in the step S1, the manner of measuring the tension of the paper guiding rope 4 by the pressure switch 13 includes the following steps:
the paper guiding rope 4 drives the pressing plate 132 to slide up and down along the guide rail 131 between the spring 133 and the limit switch 134;
when the pulling force of the paper guiding rope 4 on the pressing plate 132 is smaller than the elastic force of the spring 133, the pressing plate 132 slides downwards, and when the distance between the pressing plate 132 and the limit switch 134 is smaller than a first set value, the limit switch 134 is closed;
when the tension of the paper guiding rope 4 on the pressing plate 132 is greater than the elastic force of the spring 133, the pressing plate 132 slides upwards, and when the distance between the pressing plate 132 and the limit switch 134 is greater than a second set value, the limit switch 134 is turned off;
the opening and closing signals of the limit switch 134 are sent to the control system 5, and pressure measurement is further completed.
Example 1
In this embodiment 1, as shown in fig. 1, the system for detecting the paper guiding pressure and handling the failure of the rope sheave of the paper machine includes a pressure sensor 11, a control system 2, and a cutting device 3.
As shown in fig. 3, the pressure sensor 11 belongs to a common pressure sensor, and the common pressure sensor 11 is installed as follows: the base of the paper guide rope wheel is arranged on the common pressure sensor 11.
The pressure sensor 11 measures the pressure in the following manner: the force is converted into an analog electric signal by utilizing the piezoelectric effect and is transmitted to the control system 2, and the pressure measurement is completed.
The method for detecting the paper guiding pressure of the rope pulley of the paper machine and processing the faults by using the system comprises the following steps:
after the rope wheel paper guiding system pulls the paper guiding rope 4 to move, the pressure sensor 11 detects the tension of the paper guiding rope 4, and the tension of the paper guiding rope 4 is converted into an analog electric signal through a piezoelectric effect and is sent to the control system 2;
the control system 2 receives the analog electric signal and converts the analog electric signal into a tension value;
when the tension value X is smaller than a first set value X1, the control system 2 judges that the paper-guiding rope 4 is accidentally broken, the control system 2 controls to stop the operation of a paper-guiding loop where the broken part of the paper-guiding rope 4 is located, and if the paper head does not pass through the broken paper-guiding loop, the paper machine stops operating;
when the tension value X is smaller and larger than a first set value X1, the control system 2 determines that the paper-guiding rope 4 is wound into another component, and the control system 2 sends a signal to trigger the cutting device 3 to cut the paper-guiding rope 4;
when the tension value X is detected continuously and is larger than a second set value X2, the control system 2 judges that the length of the paper guide rope 4 wound into other parts is increased, and the control system 2 controls to stop the operation of the paper machine.
Example 2
In this embodiment 2, as shown in fig. 1, the system for detecting the paper guiding pressure and handling the failure of the rope sheave of the paper machine includes a pressure sensor 12, a control system 2, and a cutting device 3.
As shown in fig. 3, the pressure sensor 12 is a capacitive displacement sensor, and includes two potential plates 121 and 122 with a gap therebetween, and is mounted on the base of the sheave system.
The mode of measuring the tension of the paper guiding rope 4 by the capacitance displacement sensor 12 comprises the following steps:
when the capacitive displacement sensor 12 is under the tension of the paper guiding rope 4, the distance between the potential plate 121 and the potential plate 122 changes slightly;
the distance change corresponds to the capacitance change between the two potential plates;
the capacitance change corresponds to a frequency change, the control system 2 receives the frequency, and the tension of the paper guiding rope 4 is calculated according to a relational expression between the frequency and the tension, which is informed by the specification of the capacitive displacement sensor 12.
The method for detecting the paper guiding pressure of the rope pulley of the paper machine and processing the faults by using the system comprises the following steps:
after the rope wheel paper guiding system pulls the paper guiding rope 4 to move, the pressure sensor 12 detects the tension of the paper guiding rope 4, and an obtained frequency electric signal is sent to the control system 2;
the control system 2 receives the frequency signal and converts the frequency signal into a tension value;
when the tension value X is smaller than a first set value X1, the control system 2 judges that the paper-guiding rope 4 is accidentally broken, the control system 2 controls to stop the operation of a paper-guiding loop where the broken part of the paper-guiding rope 4 is located, and if the paper head does not pass through the broken paper-guiding loop, the paper machine stops operating;
when the tension value X is smaller and larger than a first set value X1, the control system 2 determines that the paper-guiding rope 4 is wound into another component, and the control system 2 sends a signal to trigger the cutting device 3 to cut the paper-guiding rope 4;
when the tension value X is detected continuously and is larger than a second set value X2, the control system 2 judges that the length of the paper guide rope 4 wound into other parts is increased, and the control system 2 controls to stop the operation of the paper machine.
Example 3
In this embodiment, as shown in fig. 1, the system for detecting the paper guiding pressure and handling the failure of the rope sheave of the paper machine includes a pressure sensor 13, a control system 2 and a cutting device 3.
The pressure sensor 13 is a pressure switch, and the installation mode is shown in fig. 4. The pressure switch comprises a guide rail 131, a pressure plate 132, a spring 133 and a limit switch 134, wherein a square hole is formed in the pressure plate 132, and the guide rail 131 can pass through the square hole.
The mode of measuring the tension of the paper guiding rope 4 by the pressure switch comprises the following steps:
the paper guiding rope 4 drives the pressing plate 132 to slide up and down along the guide rail 131 between the spring 133 and the limit switch 134;
when the pulling force of the paper guiding rope 4 on the pressing plate 132 is smaller than the elastic force of the spring 133, the pressing plate 132 slides downwards, and when the distance between the pressing plate 132 and the limit switch 134 is smaller than a first set value, the limit switch 134 is closed;
when the tension of the paper guiding rope 4 on the pressing plate 132 is greater than the elastic force of the spring 133, the pressing plate 132 slides upwards, and when the distance between the pressing plate 132 and the limit switch 134 is greater than a second set value, the limit switch 134 is turned off;
the opening and closing signals of the limit switch 134 are sent to the control system 2, and pressure measurement is further completed.
The method for detecting the paper guiding pressure of the rope pulley of the paper machine and processing the faults by using the system comprises the following steps:
after the rope wheel paper guiding system pulls the paper guiding rope 4 to move, the pressure sensor 13 detects the tension of the paper guiding rope 4, and the obtained switching electric signal is sent to the control system 2;
when the limit switch 134 is closed, the control system 2 judges that the paper-guiding rope 4 is accidentally broken, the control system 2 controls to stop the operation of the paper-guiding loop where the broken part of the paper-guiding rope 4 is located, and if the paper head does not pass through the broken paper-guiding loop, the paper machine stops operation;
when the limit switch 134 is turned on and off, the control system 2 judges that the paper leading rope 4 is wound into other parts, and the control system 2 sends a signal to trigger the cutting device 3 to cut the paper leading rope 4;
and continuously detecting, wherein the limit switch 134 is continuously opened and not closed, the control system 2 judges that the length of the paper guiding rope 4 wound into other parts is increased, and the control system 2 controls to stop the operation of the paper machine.
Finally, it should be noted that: the above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments. It is within the scope of the present invention to provide other variations and modifications based on the above description.
Claims (10)
1. A paper machine rope wheel paper guide pressure detection and fault processing system comprises a pressure sensor, a cutting device and a control system, and is characterized in that,
the pressure sensor and the cutting device are both arranged in a rope pulley paper guiding system of a paper machine;
the pressure sensor detects the tension of the paper guiding rope and sends the tension to the control system;
when the tension detected by the pressure sensor is smaller than a first set value, the control system judges that the paper leading rope is accidentally broken, controls to stop the operation of a paper leading loop path where the broken part of the paper leading rope is located, and stops the operation of a paper machine if the paper head does not pass through the broken paper leading loop path;
when the tension detected by the pressure sensor is smaller and larger than a first set value, the control system judges that the paper leading rope is wound into other parts, and sends a signal to trigger the shearing device to shear the paper leading rope;
and when the tension detected by the pressure sensor continues to become larger than a second set value, the control system judges that the length of the paper leading rope wound into other parts is increased, and the control system controls the paper machine to stop running.
2. The system of claim 1, wherein the pressure sensor comprises one or more of a common pressure sensor, a capacitive displacement sensor, and a pressure switch.
3. The system of claim 2, wherein the common pressure sensor sends an analog quantity signal to the control system, the capacitive displacement sensor sends a frequency quantity signal to the control system, and the pressure switch sends a digital quantity signal to the control system.
4. The system of claim 2, wherein the common pressure sensor is mounted as follows: the paper guide rope wheel base is arranged on the pressure sensor.
5. The system of claim 2, wherein the capacitive displacement sensor comprises two spaced potential plates mounted on a base of the sheave system, and wherein the change in distance between the two potential plates is used to measure the tension of the paper guide rope based on the piezoelectric effect and sent to the control system.
6. The system according to claim 2, wherein the pressure switch is installed through the paper guiding rope, the pressure switch comprises a guide rail, a pressing plate, a spring and a limit switch, a square hole is formed in the pressing plate, the guide rail can pass through the square hole, the contact surface of the pressing plate and the paper guiding rope is a fox surface, the pressing plate slides up and down along the guide rail under the action of the tensile force of the paper guiding rope and the elastic force of the spring, and the limit switch is triggered when the distance between the pressing plate and the limit switch reaches a set value.
7. The system of claim 1, wherein the cutting device comprises an upper knife and a lower knife, and the control system controls the upper knife and the lower knife to contact and cut the paper guide rope.
8. A method for paper machine sheave pick-up pressure detection and fault handling using the system of any of claims 1 to 7, the method comprising the steps of:
step S1, after the paper guide rope of the paper machine is drawn by the rope wheel paper guide system, the tension of the paper guide rope is detected by the pressure sensor and sent to the control system;
step S2, when the tension detected by the pressure sensor is smaller than a first set value, the control system judges that the paper leading rope is accidentally broken, the control system controls to stop the operation of a paper leading loop where the broken part of the paper leading rope is located, and if the paper head does not pass through the broken paper leading loop, the paper machine stops operating;
step S3, when the tension detected by the pressure sensor is smaller and larger than a first set value, the control system judges that the paper guiding rope is wound into other parts, and the control system sends a signal to trigger the cutting device to cut the paper guiding rope;
and step S4, when the tension detected by the pressure sensor continues to become larger than a second set value, the control system judges that the length of the paper leading rope wound into other parts is increased, and the control system controls to stop the operation of the paper machine.
9. The method according to claim 8, wherein when the pressure sensor comprises a capacitive displacement sensor, the capacitive displacement sensor measures the tension of the paper guiding rope in step S1 by comprising the following steps:
when the capacitive displacement sensor is subjected to the pulling force of the paper guiding rope, the distance between the two potential plates is slightly changed;
the distance change corresponds to the capacitance change between the two potential plates;
and the capacitance change corresponds to the frequency change, the control system receives the frequency, and the tension of the paper guiding rope is calculated according to the relational expression of the frequency and the tension of the capacitive displacement sensor.
10. The method according to claim 8, wherein when the pressure sensor comprises a pressure switch, the manner of measuring the tension of the paper guide rope by the pressure switch in the step S1 comprises the following steps:
the paper leading rope drives the pressing plate to slide up and down between the spring and the limit switch along the guide rail;
when the tension of the paper guiding rope on the pressure plate is smaller than the elastic force of the spring, the pressure plate slides downwards, and when the distance between the pressure plate and the limit switch is smaller than a first set value, the limit switch is closed;
when the tension of the paper guiding rope on the pressure plate is greater than the elastic force of the spring, the pressure plate slides upwards, and when the distance between the pressure plate and the limit switch is greater than a second set value, the limit switch is switched off;
and the opening and closing signals of the limit switch are sent to the control system, so that the pressure measurement is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711114355.3A CN108120539B (en) | 2017-11-13 | 2017-11-13 | Paper machine rope wheel paper guide pressure detection and fault processing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711114355.3A CN108120539B (en) | 2017-11-13 | 2017-11-13 | Paper machine rope wheel paper guide pressure detection and fault processing system and method |
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| CN108120539B true CN108120539B (en) | 2020-07-07 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5992721A (en) * | 1997-01-06 | 1999-11-30 | Mec Enterprises, Inc. | Rodless cylinder rope tensioning apparatus |
| CN101405455B (en) * | 2006-03-23 | 2012-10-10 | 安德里茨技术资产管理有限公司 | A method and a device for transferring a tail |
| CN202626743U (en) * | 2012-06-06 | 2012-12-26 | 安徽华邦特种纸业有限公司 | Automatic paper injecting device |
| CN104594101A (en) * | 2014-12-29 | 2015-05-06 | 浙江景兴纸业股份有限公司 | Threading tape shaping device and method |
| CN204589702U (en) * | 2015-03-27 | 2015-08-26 | 邹平北方起重机设备有限公司 | Carrier rope stretcher |
-
2017
- 2017-11-13 CN CN201711114355.3A patent/CN108120539B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5992721A (en) * | 1997-01-06 | 1999-11-30 | Mec Enterprises, Inc. | Rodless cylinder rope tensioning apparatus |
| CN101405455B (en) * | 2006-03-23 | 2012-10-10 | 安德里茨技术资产管理有限公司 | A method and a device for transferring a tail |
| CN202626743U (en) * | 2012-06-06 | 2012-12-26 | 安徽华邦特种纸业有限公司 | Automatic paper injecting device |
| CN104594101A (en) * | 2014-12-29 | 2015-05-06 | 浙江景兴纸业股份有限公司 | Threading tape shaping device and method |
| CN204589702U (en) * | 2015-03-27 | 2015-08-26 | 邹平北方起重机设备有限公司 | Carrier rope stretcher |
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