CN114593167A - Friction plate loss alarm system based on optical signal - Google Patents
Friction plate loss alarm system based on optical signal Download PDFInfo
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- CN114593167A CN114593167A CN202210305296.2A CN202210305296A CN114593167A CN 114593167 A CN114593167 A CN 114593167A CN 202210305296 A CN202210305296 A CN 202210305296A CN 114593167 A CN114593167 A CN 114593167A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 80
- 239000013307 optical fiber Substances 0.000 claims abstract description 69
- 230000000007 visual effect Effects 0.000 claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 38
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/028—Apparatus for indicating wear using electrical detection or indication means with non-electrical sensors or signal transmission, e.g. magnetic, optical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a friction plate loss alarm system based on optical signals, which relates to the technical field of real-time monitoring and alarming and comprises a fixed seat, a limiting component and a touch component, wherein the outer side of the bottom of the fixed seat is connected with a first electric push rod, the outer side of the bottom of the first electric push rod is provided with a connecting seat, and the outer side of the bottom of the connecting seat is connected with a brake pad. The friction loss is judged by adopting a mode of judging whether the replaceable contact optical fiber is broken by reading an optical signal, the cost for laying the camera can be reduced compared with a visual method, the replaceable contact optical fiber and the touch component are integrated on the surface of the brake pad, so that the system can be operated in various narrow and complex environments, the use range of equipment can be enlarged, various defects caused by manual detection can be avoided compared with a sound judging method, and the power-on of a brake piece can be avoided compared with an electric loop method, so that the brake piece range which can be adapted by the loss alarm system is wider.
Description
Technical Field
The invention relates to the technical field of real-time monitoring and alarming, in particular to a friction plate loss alarming system based on optical signals.
Background
In a braking system, a mode that a friction plate is in contact with a plane of a rotating part to lose kinetic energy is generally used, the friction plate is lost in the braking process, the thickness of the friction plate is slowly reduced for a long time, and after the thickness of the friction plate is reduced to a certain thickness, the braking performance of the friction plate is reduced, so that the performance of the whole braking system is influenced, and the safety of the braking system is influenced.
In the common detection methods in the market, the visual inspection method is a method of manual inspection or long-term monitoring by a camera, the method is time-consuming and labor-consuming, and is extremely difficult to operate in a narrow environment, the sound judgment is that a poking sheet and the like are arranged at the position of the wear limit point of the friction sheet, when the loss reaches a certain limit value, the friction poking sheet gives out sharp sound for judgment, but the method needs manual detection, the electric loop method is more used at present, the principle is that the on-off of an electric loop is used for judging, an electric loop probe is usually arranged on the side surface of a friction plate, by making or breaking the electrical circuit by rubbing the electrical circuit probe, this method requires the electrical conductivity of the braked member, but also the entire brake system, which makes it more difficult to use brakes that cannot be energized, the brake system with wide application range, simple detection and wide application range is lacked in the market.
Disclosure of Invention
The invention aims to provide a friction plate loss alarm system based on optical signals, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a friction plate loss alarm system based on optical signals comprises a fixed seat, a limiting component and a touch component, wherein the outer side of the bottom of the fixed seat is connected with a first electric push rod, the outer side of the bottom of the first electric push rod is provided with a connecting seat, the outer side of the bottom of the connecting seat is connected with a brake pad, the two ends of the outer part of the first electric push rod are provided with the limiting component, the outer end of the top of the brake pad is connected with the touch component, the touch component comprises an upper shell, a lower shell, an ejection block, a butt joint rod, a spring seat and a contact element, the outer side of the bottom of the upper shell is provided with the lower shell, the middle end of the inner side of the lower shell is connected with the ejection block, the inner side of the ejection block is provided with the butt joint rod, the outer end of the butt joint rod is provided with the spring seat, the outer side of the bottom of the butt joint rod is connected with the contact element, a contact optical fiber is arranged between the upper shell and the outer end of the lower shell is connected with the butt joint plate, the outer end of the contact optical fiber is electrically connected with an extension optical cable.
Furthermore, the outer surface of the brake pad on the inner surface of the connecting seat is attached to the outer surface of the brake pad, and the brake pad is fixedly connected with the upper shell through bolts.
Furthermore, the contact optical fiber is connected with the upper shell and the lower shell in a clamping manner, and the outer surface of the contact optical fiber is attached to the upper surface of the ejection block.
Furthermore, the butt joint rod is in threaded connection with the ejection block, and the butt joint rod is in sleeve connection with the spring seat.
Furthermore, the ejection block is elastically connected with the spring seat through a butt joint rod, the butt joint rod and the contact piece are integrated, and the contact piece is semicircular.
Furthermore, spacing subassembly includes telescopic link, second electric push rod and inserts the round pin, the outer end of telescopic link is connected with second electric push rod, and the outside of second electric push rod is provided with inserts the round pin.
Furthermore, the connecting seat is connected with the brake block in a clamping mode through the inserting pin, and the inserting pin and the brake block are vertically distributed.
Furthermore, the extension optical cable is electrically connected with an optical signal output/receiving module, the optical signal output/receiving module is electrically connected with a computer, and the computer is electrically connected with an audible and visual alarm.
Further, the contact optical fiber is electrically connected in series with the extension optical cable, and the extension optical cable is in a spring shape.
Further, the optical signal output/reception module is electrically connected in parallel with the extension optical cable, and the optical signal output/reception module is electrically connected in parallel with the computer.
The invention provides a friction plate loss alarm system based on optical signals, which has the following beneficial effects that the friction loss is judged by adopting a mode of reading the optical signals to judge whether a replaceable contact optical fiber is broken, compared with a visual method, the cost of laying a camera can be reduced, the replaceable contact optical fiber and a touch component are integrated on the surface of a brake pad, so that the system can be operated in various narrow and complex environments, the use range of equipment can be improved, compared with a sound judgment method, various defects caused by manual detection can be avoided, meanwhile, the influence of factors such as external noise and the like on the detection accuracy can be avoided, compared with an electric loop method, the electrification on the brake piece can be avoided, the adaptable brake piece range of the loss alarm system is wider, and the design of a spring seat can absorb the vibration caused by the contact between a contact piece and a rotating piece, the situation that the replaceable contact optical fiber is broken before the brake pad reaches the friction loss limit due to the fact that the ejection distance of the ejection block is too long due to too large vibration of the rotating piece can be avoided, the situation that the device does not generate false alarm in a vibration environment can be guaranteed, and meanwhile, waste of the replaceable contact optical fiber can be avoided.
1. In the process that the brake pad is contacted with an external rotating member, the contact member is also attached to the external rotating member, the contact member exerts upward force on the ejection block under the action of external force, at the moment, the ejection block exerts pressure on the replaceable contact optical fiber until the replaceable contact optical fiber is broken, after the replaceable contact optical fiber is broken, the optical signal disappears, the extension optical cable is responsible for transmitting the optical signal of the replaceable contact optical fiber to the optical signal output/receiving module, the computer can read the data received by the optical signal output/receiving module, when the computer cannot read the optical signal of the replaceable contact optical fiber, the breakage of the replaceable contact optical fiber can be judged, and the computer can control the audible and visual alarm to give an alarm to remind that the friction loss of the brake pad reaches the limit.
2. The friction loss is judged by adopting a mode of judging whether the replaceable contact optical fiber is broken by reading the optical signal, the cost for laying the camera can be reduced compared with a visual method, the replaceable contact optical fiber and the touch component are integrated on the surface of the brake pad, so that the system can be operated in various narrow and complex environments, the use range of the equipment can be enlarged, various defects caused by manual detection can be avoided compared with a sound judging method, the influence of factors such as external noise and the like on the detection accuracy can be avoided, and compared with an electric circuit method, the power-on the brake can be avoided, the brake range which can be adapted by the loss alarm system is wider, and the use range of the equipment can be effectively enlarged.
3. The contact surface of the contact element and the rotating element is spherical, the contact area of the contact element and the rotating element can be greatly reduced by adopting the spherical shape, the scratch damage of the rotating element caused in the contact process of the hard contact element and the rotating element can be avoided, in addition, the vibration absorption caused by the contact between the contact element and the rotating element can be realized by the design of the spring seat, the overlong ejection distance of the ejection block caused by overlarge vibration of the rotating element can be avoided, the occurrence of the situation that the replaceable contact optical fiber is broken before the brake pad reaches the friction loss limit can be avoided, the false alarm can be ensured to be not generated in the vibration environment, meanwhile, the waste of the replaceable contact optical fiber can be ensured, in addition, the spring seat can also ensure that the soft contact is formed between the contact element and the rotating element to reduce the friction, and the use safety of the equipment can be further improved.
4. The extension optical cable is in a spring shape, and can be straightened when the first electric push rod drives the brake pad to displace, so that the situation that the replaceable contact optical fiber is directly stretched and broken due to overlarge displacement force can be effectively avoided.
5. When the brake pad reaches the wear limit and needs to be replaced, the second electric push rod works to drive the insertion pin to move, so that the insertion pin can withdraw from the clamping hole between the connecting seat and the brake pad, the clamping limit of the brake pad can be relieved by equipment, the brake pad can be quickly replaced, the replacement convenience of the brake pad can be improved, in addition, the upper shell and the brake pad can be separated by unscrewing the fixing bolt at the top of the upper shell, the touch sensing component can be disassembled and recycled, the broken contact optical fiber in the touch sensing component can be replaced by disassembling the upper shell and the lower shell, and the detection cost of the equipment can be greatly reduced by the repeated utilization of the touch sensing component and the disassembly and replacement of the contact optical fiber
Drawings
FIG. 1 is a schematic view of an overall front-view structure of a friction plate wear alarm system based on optical signals according to the present invention;
FIG. 2 is a schematic structural diagram of a limiting assembly of a friction plate wear warning system based on optical signals according to the present invention;
FIG. 3 is a schematic diagram of an overall structure of a touch sensing assembly of a friction plate wear alarm system based on optical signals according to the present invention;
FIG. 4 is a schematic diagram of an external configuration of a touch sensing assembly of a friction plate wear warning system based on optical signals according to the present invention;
fig. 5 is a schematic diagram of a sensing process of the friction plate wear warning system based on optical signals.
In the figure: 1. a fixed seat; 2. a first electric push rod; 3. a connecting seat; 4. a brake pad; 5. a limiting component; 501. a telescopic rod; 502. a second electric push rod; 503. inserting a pin; 6. a tactile member; 601. an upper housing; 602. a lower housing; 603. ejecting a block; 604. a docking rod; 605. a spring seat; 606. a contact member; 7. contacting the optical fiber; 8. a connector tile; 9. extending the optical cable; 10. an optical signal output/reception module; 11. a computer; 12. an audible and visual alarm.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: a friction plate loss alarm system based on optical signals comprises a fixed seat 1, a limiting component 5 and a touch component 6, wherein the outer side of the bottom of the fixed seat 1 is connected with a first electric push rod 2, the outer side of the bottom of the first electric push rod 2 is provided with a connecting seat 3, the outer side of the bottom of the connecting seat 3 is connected with a brake pad 4, the two ends of the outer part of the first electric push rod 2 are provided with the limiting components 5, the outer end of the top of the brake pad 4 is connected with the touch component 6, the touch component 6 comprises an upper shell 601, a lower shell 602, an ejection block 603, a butt joint rod 604, a spring seat 605 and a contact piece 606, the outer side of the bottom of the butt joint rod 604 is provided with the contact piece 606, a contact optical fiber 7 is arranged between the upper shell 601 and the lower shell 602, and the outer ends of the upper shell 601 and the lower shell 602 are connected with a connecting plate 8, and the outer end of the contact optical fiber 7 is electrically connected with an extension optical cable 9.
Referring to fig. 1, 3, 4 and 5, the inner surface of the connecting seat 3 is attached to the outer surface of the brake pad 4, the brake pad 4 is fixedly connected to the upper housing 601 through a bolt, the contact optical fiber 7 is connected to the upper housing 601 and the lower housing 602 in a snap-fit manner, the outer surface of the contact optical fiber 7 is attached to the upper surface of the ejection block 603, the docking rod 604 is connected to the ejection block 603 in a threaded manner, the docking rod 604 is connected to the spring seat 605 in a sleeved manner, the ejection block 603 is elastically connected to the spring seat 605 through the docking rod 604, the docking rod 604 is integrated with the contact 606, the contact 606 is in a semicircular shape, the extension optical cable 9 is electrically connected to the optical signal output/reception module 10, the optical signal output/reception module 10 is electrically connected to the computer 11, the computer 11 is electrically connected to the audible and visual alarm 12, the contact optical fiber 7 is electrically connected to the extension optical cable 9 in series, and the extension optical cable 9 is in a spring shape, the optical signal output/reception module 10 is electrically connected in parallel with the extension optical cable 9, and the optical signal output/reception module 10 is electrically connected in parallel with the computer 11;
the brake system comprises a fixed seat 1, a first electric push rod 2, a connecting seat 3, a brake pad 4, a contact piece 606, a contact piece 603 and an optical fiber 7, wherein the first electric push rod 2 is arranged at the outer end of the fixed seat 1, the brake pad 4 is made of hard rubber, the brake pad 4 is made of rubber and can be rapidly stopped rotating by extruding and rubbing the rotating object through the rubber, the contact piece 606 can be attached to an external rotating member in the contact process of the brake pad 4 and the external rotating member, the contact piece 606 can apply upward force to the contact piece 603 under the action of external force, and the contact piece 603 can apply pressure to the optical fiber 7, until the contact optical fiber 7 is broken, the optical signal disappears after the contact optical fiber 7 is broken, the extension optical cable 9 is responsible for transmitting the optical signal of the contact optical fiber 7 to the optical signal output/receiving module 10, the computer 11 can read the data received by the optical signal output/receiving module 10, when the computer 11 cannot read the optical signal of the contact optical fiber 7, the contact optical fiber 7 can be judged to be broken, the computer 11 can control the audible and visual alarm 12 to give an alarm to remind the brake pad 4 that the friction loss reaches the limit, the friction loss is judged by adopting the mode of judging whether the contact optical fiber 7 is broken by reading the optical signal, compared with a visual method, the cost of laying a camera can be reduced, the contact optical fiber 7 and the touch sensing component 6 are integrated on the surface of the brake pad 4, and the system can be operated in various narrow and complex environments, this can promote the application range of the apparatus, and compare with the sound judging method, can remove the various disadvantages that the manual detection produces, can also remove the influence that factors such as the external noise causes to the detection accuracy from at the same time, and compare with the electric loop method, can remove the circular telegram on the stopper, this makes the braking part scope that the loss alarm system can be adapted wider, thus can promote the application range of the apparatus effectively, the contact surface of contact member 606 and rotating member is the ball, through adopting the ball, can greatly reduce the contact area of contact member 606 and rotating member, this can avoid the hard contact member 606 and rotating member to contact and cause the rotating member to scrape the flower and damage, in addition the design of spring seat 605 can absorb the shock that the contact between contact member 606 and rotating member causes, this can avoid the rotating member shakes too big and makes the ejecting distance of ejecting block 603 too long, cause the condition that the contact optic fibre 7 breaks before the brake block 4 reaches the friction loss limit, the device can be ensured not to generate false alarm in a vibration environment, and simultaneously the contact optical fiber 7 can be ensured not to be wasted, in addition, the spring seat 605 can also ensure that the contact piece 606 and the rotating piece form soft contact to reduce friction, so that the use safety of the device can be further improved, the extension optical cable 9 is in a spring shape, in the process that the first electric push rod 2 drives the brake pad 4 to displace, the spring-shaped extension optical cable 9 can be straightened, the situation that the contact optical fiber 7 is directly snapped due to overlarge displacement force can be effectively avoided, in addition, the upper shell 601 and the lower shell 602 can be fixed into a whole by the connecting plate 8, in the process that the upper shell 601 and the lower shell 602 fix the contact optical fiber 7, the two ends of the contact optical fiber 7 can be clamped, the contact optical fiber 7 in the upper shell 601 and the lower shell 602 can be always in a straight state, and the sensitivity of ejection breaking of the device can be ensured, the both ends of contact optic fibre 7 are carried out the centre gripping outward in addition, can effectively guarantee that it can not take place the skew in the use, and this makes the job stabilization nature of equipment can effectively be ensured.
Referring to fig. 1 and 2, the limiting assembly 5 includes an extension rod 501, a second electric push rod 502 and an insertion pin 503, the outer end of the extension rod 501 is connected with the second electric push rod 502, the outer side of the second electric push rod 502 is provided with the insertion pin 503, the connecting seat 3 is connected with the brake pad 4 through the insertion pin 503 in a clamping manner, and the insertion pin 503 and the brake pad 4 are vertically distributed;
the operation is as follows, when the brake block 4 reaches the wear limit, and the brake block 4 needs to be replaced, the second electric push rod 502 works to enable the second electric push rod 502 to drive the insertion pin 503 to move, which enables the insertion pin 503 to withdraw from the clamping hole between the connecting seat 3 and the brake block 4, thereby enabling the clamping limit of the equipment on the brake block 4 to be released, which enables the brake block 4 to be replaced quickly, which can improve the replacement convenience of the brake block 4, in the process that the first electric push rod 2 drives the brake block 4 to move, the telescopic rod 501 can drive the insertion pin 503 to move synchronously, which can ensure that the insertion pin 503 can clamp and fix the brake block 4 all the time, in addition, by unscrewing the fixing bolt at the top of the upper shell 601, the upper shell 601 can be separated from the brake block 4, which enables the tactile component 6 to be detached and recycled, and the broken contact optical fiber 7 in the touch sensing component 6 can be replaced by disassembling the upper shell 601 and the lower shell 602, and the detection cost of the equipment can be greatly reduced by recycling the touch sensing component 6 and disassembling and replacing the contact optical fiber 7.
In conclusion, when the friction plate loss alarm system based on the optical signal is used, firstly, the system can control the first electric push rod 2 at the outer end of the fixed seat 1 to push out in the braking process, the first electric push rod 2 can enable the connecting seat 3 to drive the brake pad 4 to displace in the pushing-out process, so that the brake pad 4 can be in contact with a rotating object, the brake pad 4 is made of hard rubber, and the rotating object can be rapidly stopped rotating by extrusion friction of the rubber material and the rotating object, so that the braking purpose is realized;
then, after the brake pad 4 is used for a long time, the thickness of the brake pad 4 is gradually reduced due to friction, when the brake pad 4 is worn and the contact member 606 is in a horizontal position, the contact member 606 is attached to an external rotating member in the process of contacting the brake pad 4 with the external rotating member, the contact member 606 applies upward force to the ejection block 603 under the action of external force, at this time, the ejection block 603 applies pressure to the contact optical fiber 7 until the contact optical fiber 7 is broken, the optical signal disappears after the contact optical fiber 7 is broken, the extension optical cable 9 is responsible for transmitting the optical signal of the contact optical fiber 7 to the optical signal output/receiving module 10, the computer 11 can read data received by the optical signal output/receiving module 10, when the computer 11 cannot read the optical signal of the contact optical fiber 7, it can be judged that the contact optical fiber 7 is broken, and the computer 11 can control the audible and visual alarm 12 to give an alarm, reminding the brake pad 4 that the friction loss reaches the limit, judging the friction loss by adopting a mode of reading an optical signal to judge whether the contact optical fiber 7 is broken, compared with a visual method, the cost for laying a camera can be reduced, and the contact optical fiber 7 and the touch sensing component 6 are integrated on the surface of the brake pad 4, so that the system can be operated in various narrow and complicated environments, the use range of equipment can be enlarged, compared with a sound judgment method, various defects caused by manual detection can be avoided, meanwhile, the influence of factors such as external noise on the detection accuracy can be avoided, compared with an electric circuit method, the electrification on a braking part can be avoided, the adaptable braking part range of the loss alarm system is wider, and the use range of the equipment can be effectively enlarged;
then, in the process of contacting the contact member 606 with the rotating member, the design of the spring seat 605 can absorb the shock caused by the contact between the contact member 606 and the rotating member, which can avoid the situation that the rotating member shakes too much to cause the ejection distance of the ejection block 603 to be too long, so that the contact optical fiber 7 is broken before the brake pad 4 reaches the friction loss limit, which can ensure that the equipment does not generate false alarm in the vibration environment, and can also ensure that the contact optical fiber 7 is not wasted, in addition, the spring seat 605 can also cause the contact member 606 and the rotating member to form soft contact to reduce friction, in addition, the surface of the contact member 606 is spherical, by adopting the spherical shape, the contact area of the contact member 606 and the rotating member can be greatly reduced, which can avoid the scratch damage of the rotating member in the process of contacting the hard contact member 606 with the rotating member, and further improve the use safety of the equipment;
then, in the process that the first electric push rod 2 drives the brake pad 4 to displace, the spring-shaped extension optical cable 9 can be stretched straight, which can effectively avoid the situation that the contact optical fiber 7 is directly stretched and broken due to overlarge displacement force, in addition, the upper shell 601 and the lower shell 602 can be fixed into a whole by the connecting plate 8, so that the two ends of the contact optical fiber 7 can be clamped in the fixing process of the contact optical fiber 7 by the upper shell 601 and the lower shell 602, which can ensure that the contact optical fiber 7 in the upper shell 601 and the lower shell 602 is always in a stretched straight state, thereby ensuring the sensitivity of the ejection stretching and breaking of the equipment, in addition, the two ends of the contact optical fiber 7 are clamped, which can effectively ensure that the contact optical fiber does not deviate in the using process, and thus the working stability of the equipment can be effectively ensured;
finally, when the brake pad 4 reaches the wear limit and needs to be replaced, the second electric push rod 502 works to enable the second electric push rod 502 to drive the insertion pin 503 to move, so that the insertion pin 503 can be withdrawn from the clamping hole between the connecting seat 3 and the brake pad 4, the clamping limit of the equipment on the brake pad 4 can be released, the brake pad 4 can be replaced quickly, the replacement convenience of the brake pad 4 can be improved, the telescopic rod 501 can drive the insertion pin 503 to move synchronously in the process that the first electric push rod 2 drives the brake pad 4 to move, so that the insertion pin 503 can be guaranteed to clamp and fix the brake pad 4 all the time, in addition, the upper shell 601 and the brake pad 4 can be separated by unscrewing the fixing bolt at the top of the upper shell 601, so that the touch sensing assembly 6 can be disassembled and recycled, and the broken contact optical fiber 7 in the touch sensing assembly 6 can be replaced by disassembling the upper shell 601 and the lower shell 602, by recycling the touch sensing assembly 6 and replacing the contact optical fiber 7 for disassembly, the detection cost of the device can be greatly reduced.
Claims (10)
1. A friction plate loss alarm system based on optical signals is characterized by comprising a fixed seat (1), a limiting component (5) and a touch component (6), wherein the outer side of the bottom of the fixed seat (1) is connected with a first electric push rod (2), the outer side of the bottom of the first electric push rod (2) is provided with a connecting seat (3), the outer side of the bottom of the connecting seat (3) is connected with a brake pad (4), the limiting component (5) is arranged at two ends of the outer part of the first electric push rod (2), the outer end of the top of the brake pad (4) is connected with the touch component (6), the touch component (6) comprises an upper shell (601), a lower shell (602), an ejection block (603), a butt joint rod (604), a spring seat (605) and a contact piece (606), the outer side of the bottom of the upper shell (601) is provided with the lower shell (602), and the middle end of the inner side of the lower shell (602) is connected with the ejection block (603), the inner side of the ejection block (603) is provided with a butt joint rod (604), the outer end of the butt joint rod (604) is provided with a spring seat (605), the outer side of the bottom of the butt joint rod (604) is connected with a contact piece (606), a contact optical fiber (7) is arranged between the upper shell (601) and the lower shell (602), the outer ends of the upper shell (601) and the lower shell (602) are connected with a connecting plate (8), and the outer end of the contact optical fiber (7) is electrically connected with an extension optical cable (9).
2. A friction plate wear warning system based on optical signals, according to claim 1, characterized in that the inner surface of the connecting seat (3) is attached to the outer surface of the brake block (4), and the brake block (4) is fixedly connected with the upper shell (601) through bolts.
3. A friction plate wear alarm system based on optical signals, according to claim 1, characterized in that the contact optical fiber (7) is connected with the upper shell (601) and the lower shell (602) in a snap-fit manner, and the outer surface of the contact optical fiber (7) is attached to the upper surface of the ejection block (603).
4. A friction plate wear warning system based on optical signals, according to claim 1, characterized in that the butt joint rod (604) is in threaded connection with the ejection block (603), and the butt joint rod (604) is in socket connection with the spring seat (605).
5. A friction plate wear warning system based on optical signals, according to claim 1, characterized in that the ejection block (603) is elastically connected with the spring seat (605) through the butt rod (604), the butt rod (604) and the contact member (606) are integrated, and the contact member (606) is semicircular.
6. A friction plate wear warning system based on optical signals as claimed in claim 1, characterized in that the limiting component (5) comprises a telescopic rod (501), a second electric push rod (502) and an insertion pin (503), the second electric push rod (502) is connected to the outer end of the telescopic rod (501), and the insertion pin (503) is arranged outside the second electric push rod (502).
7. A friction plate wear warning system based on optical signals according to claim 6, characterized in that the connecting seat (3) is connected with the brake block (4) in a clamping way through an inserting pin (503), and the inserting pin (503) is vertically distributed with the brake block (4).
8. An optical signal based friction plate loss alarm system according to claim 1, wherein the extension optical cable (9) is electrically connected with an optical signal output/receiving module (10), the optical signal output/receiving module (10) is electrically connected with a computer (11), and the computer (11) is electrically connected with an audible and visual alarm (12).
9. A friction plate wear alarm system based on optical signals according to claim 1, characterized in that the contact optical fiber (7) is electrically connected in series with the extension optical cable (9), and the extension optical cable (9) is spring-shaped.
10. An optical signal based friction plate wear warning system according to claim 8, characterized in that the optical signal output/receiving module (10) is electrically connected in parallel with the extension optical cable (9), and the optical signal output/receiving module (10) is electrically connected in parallel with the computer (11).
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| CN202210305296.2A CN114593167B (en) | 2022-03-25 | 2022-03-25 | Friction plate loss alarm system based on optical signals |
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|---|---|---|---|---|
| JP2000018295A (en) * | 1998-07-01 | 2000-01-18 | Nisshinbo Ind Inc | Abrasion warning device for frictional material |
| EP1243808A1 (en) * | 2001-03-23 | 2002-09-25 | ROBERT BOSCH GmbH | Friction lining wear sensor and procedure for the detection of wear by such a sensor |
| JP2008144914A (en) * | 2006-12-12 | 2008-06-26 | Toyota Motor Corp | Wear alarm device of disk brake device |
| JP2009299714A (en) * | 2008-06-10 | 2009-12-24 | Akebono Brake Ind Co Ltd | Abrasion detection device of brake shoe, brake shoe having the same and abrasion detection system |
| CN109027072A (en) * | 2018-08-27 | 2018-12-18 | 上海新奥林汽车传感器有限公司 | A kind of brake block wear sensor |
| CN213628614U (en) * | 2020-09-25 | 2021-07-06 | 恒大新能源汽车投资控股集团有限公司 | Excessive wear alarm system for pressing block friction plate of steering gear and automobile |
-
2022
- 2022-03-25 CN CN202210305296.2A patent/CN114593167B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018295A (en) * | 1998-07-01 | 2000-01-18 | Nisshinbo Ind Inc | Abrasion warning device for frictional material |
| EP1243808A1 (en) * | 2001-03-23 | 2002-09-25 | ROBERT BOSCH GmbH | Friction lining wear sensor and procedure for the detection of wear by such a sensor |
| JP2008144914A (en) * | 2006-12-12 | 2008-06-26 | Toyota Motor Corp | Wear alarm device of disk brake device |
| JP2009299714A (en) * | 2008-06-10 | 2009-12-24 | Akebono Brake Ind Co Ltd | Abrasion detection device of brake shoe, brake shoe having the same and abrasion detection system |
| CN109027072A (en) * | 2018-08-27 | 2018-12-18 | 上海新奥林汽车传感器有限公司 | A kind of brake block wear sensor |
| CN213628614U (en) * | 2020-09-25 | 2021-07-06 | 恒大新能源汽车投资控股集团有限公司 | Excessive wear alarm system for pressing block friction plate of steering gear and automobile |
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| CN114593167B (en) | 2023-10-31 |
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