CN108120539A - Paper machine rope sheave paper injection pressure detecting and fault processing system and method - Google Patents

Paper machine rope sheave paper injection pressure detecting and fault processing system and method Download PDF

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Publication number
CN108120539A
CN108120539A CN201711114355.3A CN201711114355A CN108120539A CN 108120539 A CN108120539 A CN 108120539A CN 201711114355 A CN201711114355 A CN 201711114355A CN 108120539 A CN108120539 A CN 108120539A
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China
Prior art keywords
control system
rope
paper
carrier rope
tension
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Granted
Application number
CN201711114355.3A
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Chinese (zh)
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CN108120539B (en
Inventor
苏立波
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Valmet China Co Ltd
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Valmet China Co Ltd
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Priority to CN201711114355.3A priority Critical patent/CN108120539B/en
Publication of CN108120539A publication Critical patent/CN108120539A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04Apparatus 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
    • G01L5/10Apparatus 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
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00Other details of machines for making continuous webs of paper
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0061Force sensors associated with industrial machines or actuators

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

The present invention relates to paper machine rope sheave paper injection pressure detecting and fault processing system and methods.The system comprises pressure sensor, clipping apparatus, control systems, it is characterized in that, the pressure sensor, the clipping apparatus are all in the rope sheave paper-carrying system of paper machine, the tension of the pressure sensor detection carrier rope, it is sent to the control system, when the control system judges that the carrier rope breaks down according to the tension received, the operating or paper machine operating on paper injection circle road where the control system control stops the carrier rope breaking portion or the control clipping apparatus cut the carrier rope.The application of the present invention can detect the tension of the carrier rope of paper machine rope sheave paper-carrying system, according to the variation of the tension at any time, find that carrier rope knots, is broken or is involved in other component failures in time, timely processing failure reduces injury, extends the paper machine service life.

Description

Paper machine rope sheave paper injection pressure detecting and fault processing system and method
Technical field
The invention belongs to pulp technology for making paper, more particularly to paper machine rope sheave paper injection pressure detecting and fault processing system And method.
Background technology
The semi-finished product of paper or paper, which are guided to the process of predeterminated position, at present in paper industry, after start is called paper injection process, Much use rope sheave paper injection.
During rope sheave paper injection, the carrier rope being usually oriented to by rope sheave applies clamping force guiding page to predeterminated position.
Since the speed of paper injection is very fast, so the speed of service of rope sheave and carrier rope is also very fast, rope sheave or carrier rope The own tension born is also bigger, and when carrier rope is surprisingly broken, carrier rope can be because itself tension and original high speed Inertia flies in the directionless unrest of high speed, usually knots at leading rope pulley or is involved in other parts, injure other zero Component.
In order to reduce the injury of this failure, extend the service life of paper machine, the present invention intends proposing following paper machine rope Take turns paper injection pressure detecting system and method.
The content of the invention
The present invention is reduced since paper machine carrier rope knots, be broken or is involved in it to extend the service life of paper machine The injury to other parts caused by his parts proposes following paper machine rope sheave paper injection pressure detecting and fault processing system And method.
The object of the present invention is to provide a kind of paper machine rope sheave paper injection pressure detecting and fault processing system, the system bag Include pressure sensor, clipping apparatus, control system, which is characterized in that
The pressure sensor, the clipping apparatus are all mounted in the rope sheave paper-carrying system of paper machine,
The tension of the pressure sensor detection carrier rope, is sent to the control system,
When the control system judges that the carrier rope breaks down according to the tension received, the control system control The operating on paper injection circle road where stop stops the carrier rope breaking portion or paper machine operating or the control clipping apparatus are cut The disconnected carrier rope.
Further, the pressure sensor includes usual pressure sensor, capacitive displacement transducer, pressure switch three One or more in kind.
Further, what the usual pressure sensor was sent to the control system is analog signals, the condenser type What displacement sensor was sent to the control system is frequency quantity signal, and what the pressure switch was sent to the control system is number Measure signal.
Further, the usual pressure sensor mounting means is as follows:Leading rope pulley pedestal is mounted on pressure sensor On.
Further, the capacitive displacement transducer, including two spaced current potential plates, mounted on the rope sheave system On the pedestal of system, according to piezoelectric effect, sent using the distance change of two current potential plates to measure the tension of the carrier rope To the control system.
Further, the pressure switch is installed through the carrier rope, and the pressure switch includes guide rail, pressing plate, bullet Spring, limit switch have square hole on the pressing plate, can make the guide rail by the way that the pressing plate is with the face that the carrier rope contacts Fox face, the pressing plate slide up and down, institute under the elastic force effect of the pulling force and the spring of the carrier rope along the guide rail When stating the distance of pressing plate and the limit switch and reaching setting value, the limit switch triggering.
Further, the clipping apparatus includes upper slitter and cutting, the control system control the upper slitter and it is described under Knife contacts, and cuts the carrier rope.
The paper machine rope sheave paper injection pressure detecting and failure system are utilized it is a further object of the present invention to provide a kind of Paper machine rope sheave paper injection pressure detecting and the method for troubleshooting are carried out, the described method comprises the following steps:
Step S1, the carrier rope of paper machine are passed by after the rope sheave paper-carrying system pulling motion using the pressure Sensor detects the tension of the carrier rope, is sent to the control system;
Step S2, when the tension that the pressure sensor detects is less than the first setting value, the control system judges institute It states carrier rope to be surprisingly broken, the operating on paper injection circle road where the control system control stops the carrier rope breaking portion, such as Fruit paper also not by the paper injection circle road being broken, then stops paper machine operating;
Step S3, it is described when the tension that the pressure sensor detects first becomes smaller and becomes larger compared with the first setting value Control system judges that the carrier rope is involved in other parts, and the control system sends signal and triggers the clipping apparatus, Cut the carrier rope;
Step S4, it is described during more than the second setting value when the tension that the pressure sensor detects also is continuing to become larger Control system judges that the carrier rope is involved in the length increase of other parts, and the control system control stops paper machine fortune Turn.
Further, in the step S1, the mode that capacitive displacement transducer measures the paper injection rope tension is included such as Lower step:
When the capacitive displacement transducer is subject to the pulling force of the carrier rope, the distance between described two current potential plates hair Raw minor variations;
The distance change corresponds to the electric capacitance change between described two current potential plates;
The electric capacitance change respective frequencies variation, the control system receives the frequency, according to the condenser type position The frequency and the relational expression of tension that the specification of displacement sensor is informed calculate the tension of the carrier rope.
Further, in the step S1, the mode that pressure switch measures the paper injection rope tension includes the following steps:
The carrier rope drive the pressing plate along the guide rail between the spring and the limit switch on glide It is dynamic;
When the pressing plate is less than the elastic force of the spring by the pulling force of the carrier rope, the pressing plate slide downward is slided To when being less than the first setting value with limit switch distance, the limit switch is closed;
When the pressing plate is more than the elastic force of the spring by the pulling force of the carrier rope, the pressing plate upward sliding slides To when being more than the second setting value with limit switch distance, the limit switch disconnects;
The opening and closing signal of the limit switch is sent to the control system, and then completes pressure measurement.
Beneficial effects of the present invention are as follows:
The present invention can detect the tension of the carrier rope of paper machine rope sheave paper-carrying system at any time, according to the tension Variation finds that carrier rope knots, is broken or is involved in other component failures in time, and timely processing failure reduces injury, extends Paper machine service life.
Description of the drawings
Fig. 1 is present system schematic diagram.
Fig. 2 is usual pressure sensor scheme of installation.
Fig. 3 is capacitive displacement transducer scheme of installation.
Fig. 4 is pressure switch scheme of installation.
Fig. 5 is cutting carrier rope schematic diagram.
Specific embodiment
With reference to the accompanying drawings and embodiments, the specific embodiment of the present invention is described in more details, so as to energy The advantages of enough more fully understanding the solution of the present invention and its various aspects, however, specific embodiments described below is only The purpose rather than limitation of the present invention of explanation.
The present invention provides paper machine rope sheave paper injection pressure detecting and fault processing system and methods, and specific embodiment is such as Under,
As shown in Figure 1, the system comprises pressure sensor, control system 2, clipping apparatus 3.
The pressure sensor, the clipping apparatus 3 are all in the rope sheave paper-carrying system of paper machine.The pressure passes Sensor detects the tension of the carrier rope 4, is sent to the control system 2.The control system 2 is sentenced according to the tension received When the fixed carrier rope 4 breaks down, paper injection circle road where the control of control system 2 stops the carrier rope breaking portion Operating or paper machine operating or the control clipping apparatus cut the carrier rope.
The pressure sensor includes usual pressure sensor 11, capacitive displacement transducer 12,13 3 kinds of pressure switch In one or more.What the usual pressure sensor 11 was sent to the control system 2 is analog signals, the electricity What appearance formula displacement sensor 12 was sent to the control system 2 is frequency quantity signal, and the pressure switch 13 is sent to the control system System 2 is digital quantity signal.
11 mounting means of usual pressure sensor is as follows:Leading rope pulley pedestal is mounted on the usual pressure sensor On 11.
The capacitive displacement transducer 12, including two spaced current potential plates 121 and 122, mounted on the rope sheave On the pedestal of system, according to piezoelectric effect, the paper injection is measured using the distance change of two current potential plates 121 and 122 The tension of rope is sent to the control system 2.
The pressure switch 13 is installed through the carrier rope 4, the pressure switch 13 include guide rail 131, pressing plate 132, Spring 133, limit switch 134 have square hole on the pressing plate 132, can make the guide rail 131 by, the pressing plate 132 with it is described The face of carrier rope contact for fox face, the pressing plate 132 under the elastic force effect of the pulling force and the spring 133 of the carrier rope 4, It is slided up and down along the guide rail 131, when the distance of the pressing plate 132 and the limit switch 134 reaches setting value, the limit Bit switch 134 triggers.
The clipping apparatus 3 includes upper slitter 31 and cuts 32, and the control system controls the upper slitter 31 and described cuts 32 contacts, cut the carrier rope 4.
The paper machine rope sheave paper injection pressure detecting and failure system are utilized it is a further object of the present invention to provide a kind of Paper machine rope sheave paper injection pressure detecting and the method for troubleshooting are carried out, the described method comprises the following steps:
Step S1, the carrier rope 4 of paper machine are passed by after the rope sheave paper-carrying system pulling motion using the pressure Sensor detects the tension of the carrier rope 4, is sent to the control system 2;
When step S2, the tension X that the pressure sensor detects are less than the first setting value X1, the control system 2 is sentenced The fixed unexpected fracture of the carrier rope 4, paper injection circle road where the control of control system 2 stops 4 breaking portion of carrier rope Operating, if paper stops paper machine operating also not by the paper injection circle road being broken;
Step S3, the tension X that the pressure sensor detects first becomes smaller and becomes larger compared with the first setting value X1, described Control system 2 judges that the carrier rope 4 is involved in other parts, and the control system 2 sends described cut of signal triggering and fills 3 are put, cuts the carrier rope 4;
Step S4, the tension X that the pressure sensor detects also are continuing to become larger, during more than the second setting value X2, institute It states control system 2 and judges that the carrier rope 4 is involved in the length increase of other parts, the control of control system 2 stops papermaking Machine operates.
Further, in the step S1, the mode that capacitive displacement transducer 12 measures the paper injection rope tension includes Following steps:
When the capacitive displacement transducer 12 is subject to the pulling force of the carrier rope 4, described two current potential plates 121 and 122 The distance between occur minor variations;
The distance change corresponds to the electric capacitance change between described two current potential plates;
The electric capacitance change respective frequencies variation, the control system 2 receives the frequency, according to the condenser type position The frequency and the relational expression of tension that the specification of displacement sensor 12 is informed calculate the tension of the carrier rope 4.
Further, in the step S1, the mode that pressure switch 13 measures 4 tension of carrier rope includes following step Suddenly:
The carrier rope 4 drives the pressing plate 132 along the guide rail 131 in the spring 133 and the limit switch It is slided up and down between 134;
When the pressing plate 132 is less than the elastic force of the spring 133 by the pulling force of the carrier rope 4, the pressing plate 132 is downward It slides, when sliding into the limit switch 134 apart from less than the first setting value, the limit switch 134 is closed;
When the pressing plate 132 is more than the elastic force of the spring 133 by the pulling force of the carrier rope 4, the pressing plate 132 is upward It slides, when sliding into the limit switch 134 apart from more than the second setting value, the limit switch 134 disconnects;
The opening and closing signal of the limit switch 134 is sent to the control system 5, and then completes pressure measurement.
Embodiment 1
The present embodiment 1 as shown in Figure 1, the paper machine rope sheave paper injection pressure detecting and fault processing system include, pressure Sensor 11, control system 2, clipping apparatus 3.
As shown in figure 3, the pressure sensor 11 belongs to usual pressure sensor, the usual pressure sensor 11 is installed Mode is as follows:Leading rope pulley pedestal is mounted on the usual pressure sensor 11.
The mode that the pressure sensor 11 measures pressure is:Suffered power is become into analog telecommunications using piezoelectric effect The control system 2 number is transmitted to, completes pressure measurement.
The method that paper machine rope sheave paper injection pressure detecting and troubleshooting are carried out using the system is included the following steps:
After the rope sheave paper-carrying system draws the movement of carrier rope 4, the pressure sensor 11 detects the carrier rope 4 Tension, the tension of the carrier rope 4 is become by analog electrical signal by piezoelectric effect and is sent to the control system 2;
The control system 2 receives the analog electrical signal, is converted into tension value;
When the tension value X is less than the first setting value X1, the control system 2 judges the unexpected fracture of the carrier rope 4, institute The operating on paper injection circle road where the control of control system 2 stops 4 breaking portion of carrier rope is stated, if paper does not pass through fracture also Paper injection circle road, then stop paper machine operating;
When the tension value X first becomes smaller and becomes larger compared with the first setting value X1, the control system 2 judges the paper injection Rope 4 is involved in other parts, and the control system 2 sends signal and triggers the clipping apparatus 3, cuts the carrier rope 4;
Continue to detect, the tension value X is also when continuing to become larger, and during more than the second setting value X2, the control system 2 is sentenced The length that the fixed carrier rope 4 is involved in other parts increases, and the control of control system 2 stops paper machine operating.
Embodiment 2
The present embodiment 2 is as shown in Figure 1, the paper machine rope sheave paper injection pressure detecting and fault processing system are passed including pressure Sensor 12, control system 2, clipping apparatus 3.
As shown in figure 3, the pressure sensor 12 is capacitive displacement transducer, including two spaced current potential plates 121st, current potential plate 122, on the pedestal of the sheave sys-tem.
The mode that the capacitive displacement transducer 12 measures 4 tension of carrier rope includes the following steps:
When the capacitive displacement transducer 12 is subject to the pulling force of the carrier rope 4, the current potential plate 121, current potential plate 122 The distance between occur minor variations;
The distance change corresponds to the electric capacitance change between described two current potential plates;
The electric capacitance change respective frequencies variation, the control system 2 receives the frequency, according to the condenser type position The frequency and the relational expression of tension that the specification of displacement sensor 12 is informed calculate the tension of the carrier rope 4.
The method that paper machine rope sheave paper injection pressure detecting and troubleshooting are carried out using the system is included the following steps:
After the rope sheave paper-carrying system draws the movement of carrier rope 4, the pressure sensor 12 detects the carrier rope 4 Tension, obtained electrical signal of the frequency is sent to the control system 2;
The control system 2 receives the frequency signal, is converted into tension value;
When the tension value X is less than the first setting value X1, the control system 2 judges the unexpected fracture of the carrier rope 4, institute The operating on paper injection circle road where the control of control system 2 stops 4 breaking portion of carrier rope is stated, if paper does not pass through fracture also Paper injection circle road, then stop paper machine operating;
When the tension value X first becomes smaller and becomes larger compared with the first setting value X1, the control system 2 judges the paper injection Rope 4 is involved in other parts, and the control system 2 sends signal and triggers the clipping apparatus 3, cuts the carrier rope 4;
Continue to detect, the tension value X is also when continuing to become larger, and during more than the second setting value X2, the control system 2 is sentenced The length that the fixed carrier rope 4 is involved in other parts increases, and the control of control system 2 stops paper machine operating.
Embodiment 3
The present embodiment is as shown in Figure 1, the paper machine rope sheave paper injection pressure detecting and fault processing system are passed including pressure Sensor 13, control system 2, clipping apparatus 3.
The pressure sensor 13 is pressure switch, and mounting means is as shown in Figure 4.The pressure switch include guide rail 131, Pressing plate 132, spring 133, limit switch 134 have square hole on the pressing plate 132, can pass through the guide rail 131.
The mode that the pressure switch measures 4 tension of carrier rope includes the following steps:
The carrier rope 4 drives the pressing plate 132 along the guide rail 131 in the spring 133 and the limit switch It is slided up and down between 134;
When the pressing plate 132 is less than the elastic force of the spring 133 by the pulling force of the carrier rope 4, the pressing plate 132 is downward It slides, when sliding into the limit switch 134 apart from less than the first setting value, the limit switch 134 is closed;
When the pressing plate 132 is more than the elastic force of the spring 133 by the pulling force of the carrier rope 4, the pressing plate 132 is upward It slides, when sliding into the limit switch 134 apart from more than the second setting value, the limit switch 134 disconnects;
The opening and closing signal of the limit switch 134 is sent to the control system 2, and then completes pressure measurement.
The method that paper machine rope sheave paper injection pressure detecting and troubleshooting are carried out using the system is included the following steps:
After the rope sheave paper-carrying system draws the movement of carrier rope 4, the pressure sensor 13 detects the carrier rope 4 Tension, obtained switched electrical signal is sent to the control system 2;
When the limit switch 134 is closed, the control system 2 judges the unexpected fracture of the carrier rope 4, the control system The operating on paper injection circle road where 2 control of system stops 4 breaking portion of carrier rope, if paper does not pass through the paper injection circle being broken also Road then stops paper machine operating;
The limit switch 134 be first closed again disconnect when, the control system 2 judge the carrier rope 4 be involved in other zero In component, the control system 2 sends signal and triggers the clipping apparatus 3, cuts the carrier rope 4;
Continue to detect, the limit switch 134, which continues to disconnect, not to be closed, and the control system 2 judges the carrier rope volume 4 Entering the length of other parts increases, and the control of control system 2 stops paper machine operating.
Finally it should be noted that:The above embodiment is merely an example for clearly illustrating the present invention, and is not pair The restriction of embodiment.For making other variations or changes in different ways on the basis of the above description, still in this hair Among bright protection domain.

Claims (10)

1. a kind of paper machine rope sheave paper injection pressure detecting and fault processing system the system comprises pressure sensor, cut dress It puts, control system, which is characterized in that
The pressure sensor, the clipping apparatus are all mounted in the rope sheave paper-carrying system of paper machine,
The tension of the pressure sensor detection carrier rope, is sent to the control system,
When the control system judges that the carrier rope breaks down according to the tension received, the control system control stops Only the operating on paper injection circle road where the carrier rope breaking portion or paper machine operating or the control clipping apparatus cut institute State carrier rope.
2. system according to claim 1, which is characterized in that the pressure sensor includes usual pressure sensor, electricity One or more in appearance formula displacement sensor, three kinds of pressure switch.
3. according to the system described in claim 1 and claim 2, which is characterized in that the usual pressure sensor is sent to institute State control system is analog signals, and what the capacitive displacement transducer was sent to the control system is frequency quantity signal, What the pressure switch was sent to the control system is digital quantity signal.
4. according to the system described in claim 1 and claim 2, which is characterized in that the usual pressure sensor installation side Formula is as follows:Leading rope pulley pedestal is mounted on pressure sensor.
5. according to the system described in claim 1 and claim 2, which is characterized in that the capacitive displacement transducer, including Two spaced current potential plates on the pedestal of the sheave sys-tem, according to piezoelectric effect, utilize two current potential plates Distance change be sent to the control system to measure the tension of the carrier rope.
6. according to the system described in claim 1 and claim 2, which is characterized in that the pressure switch, through the paper injection Rope installation, the pressure switch include guide rail, pressing plate, spring, limit switch, have square hole on the pressing plate, can make the guide rail It is fox face by, the face that the pressing plate is contacted with the carrier rope, pulling force and the spring of the pressing plate in the carrier rope Elastic force effect under, slided up and down along the guide rail, when the distance of the pressing plate and the limit switch reaches setting value, institute State limit switch triggering.
7. system according to claim 1, which is characterized in that the clipping apparatus includes upper slitter and cuts, the control System control the upper slitter and it is described cut contact, cut the carrier rope.
8. a kind of system using described in claim 1 to 7 carries out the side of paper machine rope sheave paper injection pressure detecting and troubleshooting Method the described method comprises the following steps:
Step S1, the carrier rope of paper machine utilize the pressure sensor by after the rope sheave paper-carrying system pulling motion The tension of the carrier rope is detected, is sent to the control system;
Step S2 when the tension that the pressure sensor detects is less than the first setting value, draws described in the control system judgement Paper string is surprisingly broken, the operating on paper injection circle road where the control system control stops the carrier rope breaking portion, if paper Head also not by the paper injection circle road being broken, then stops paper machine operating;
Step S3, when the tension that the pressure sensor detects first becomes smaller and becomes larger compared with the first setting value, the control System judges that the carrier rope is involved in other parts, and the control system sends signal and triggers the clipping apparatus, cuts The carrier rope;
Step S4, when the tension that the pressure sensor detects also is continuing to become larger, during more than the second setting value, the control System judges that the carrier rope is involved in the length increase of other parts, and the control system control stops paper machine operating.
9. according to the method described in claim 8, it is characterized in that, in the step S1, the capacitive displacement transducer is surveyed The mode for measuring the paper injection rope tension includes the following steps:
When the capacitive displacement transducer is subject to the pulling force of the carrier rope, the distance between described two current potential plates occur micro- Small variation;
The distance change corresponds to the electric capacitance change between described two current potential plates;
The electric capacitance change respective frequencies variation, the control system receive the frequency, are passed according to the capacitive displacement The frequency and the relational expression of tension that the specification of sensor is informed calculate the tension of the carrier rope.
10. according to the method described in claim 8, it is characterized in that, in the step S1, draw described in the pressure switch measurement The mode of paper string tension includes the following steps:
The carrier rope drives the pressing plate to be slided up and down along the guide rail between the spring and the limit switch;
The pressing plate by the carrier rope pulling force be less than the spring elastic force when, the pressing plate slide downward, slide into When the limit switch distance is less than the first setting value, the limit switch is closed;
The pressing plate by the carrier rope pulling force be more than the spring elastic force when, the pressing plate upward sliding, slide into When the limit switch distance is more than the second setting value, the limit switch disconnects;
The opening and closing signal of the limit switch is sent to the control system, and then completes pressure measurement.
CN201711114355.3A 2017-11-13 2017-11-13 Paper machine rope wheel paper guide pressure detection and fault processing system and method Active CN108120539B (en)

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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
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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CN108120539A true CN108120539A (en) 2018-06-05
CN108120539B CN108120539B (en) 2020-07-07

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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