CN2173733Y - Disc brake state monitoring device - Google Patents
Disc brake state monitoring device Download PDFInfo
- Publication number
- CN2173733Y CN2173733Y CN 93237335 CN93237335U CN2173733Y CN 2173733 Y CN2173733 Y CN 2173733Y CN 93237335 CN93237335 CN 93237335 CN 93237335 U CN93237335 U CN 93237335U CN 2173733 Y CN2173733 Y CN 2173733Y
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- brake
- mouth
- oil pressure
- state monitoring
- monitoring apparatus
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- 238000012806 monitoring device Methods 0.000 title abstract description 3
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 5
- 230000015654 memory Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 230000010412 perfusion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
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Abstract
A state monitoring device of a disc brake comprises an oil pressure sensor arranged on an oil pressure pipeline, brake shoe monitoring probes arranged in the middle of brake shoes of each brake, a safe brake signal contact and a state monitor, wherein when the brake works, the monitor detects an actual brake positive pressure and a system total brake positive pressure of each brake according to an oil pressure signal and brake shoe brake sticking signals; detecting according to the safe braking power-off time and the brake sticking time of each brake to obtain the lost motion time of each brake in emergency braking; and the measured result is displayed and printed out, so that a reliable basis is provided for the working performance and fault analysis of the brake.
Description
The utility model relates to the online detection of mine hoist plate disc brake positive pressure and the on-line monitoring of drg brake positive pressure failure of removal state.
Plate disc brake is a kind of mechanical brake device that generally adopts on the present mine hoist, carries out the emergency braking emergency when it is normal ramp to stop of elevator system and et out of order, guarantees the important device of elevator system safe operation.The gig disk braking system by the elevator drum Die Scheibenbremse, some plate disc brake and Hydraulic Station three parts are formed, the braking principle of plate disc brake is to utilize the spring pressure of disk spring that brake shoe is acted on the brake disc gig is braked, and the pressure oil that utilizes Hydraulic Station to supply with declutches.The setting value of the required maximum braking force of drg is to regulate the maximum functional oil pressure given value of Hydraulic Station by oil pressure indicator, requires gap between each brake block and brake disc to be limited in simultaneously to determine within 2 millimeters.The glancing impact driver can regulate the size of operating oil pressure by the operation brake handle in the given oil pressure scope of maximum, thereby reaches the size of regulating real restricted power in the maximum braking force scope of setting.Yet in real-world operation, because the operating oil pressure value of oil pressure indicator can not be expressed the size of each drg disk spring to the actual brake positive pressure of brake disc effect, therefore when brake inside parts generation performance failure (as: fatigue failure of disk spring or fracture, other internal motion machine members, embroider erosion etc.) and when causing the actual braking potential of drg to descend, will cause because of gig and brake the malfunctioning great lifting accident that takes place.So solve the on-line condition monitoring of the existing actual braking potential of plate disc brake is to guarantee that the mine hoist safety operation has one of problem to be solved always.The disclosed a kind of plate disc brake positive pressure monitoring device of Chinese patent literature CN2051627U, be will be by four fixing round matrix force transducers of a kind of periphery that constitutes with the pool formula strain-gauge of temperature self-compensation, be placed in the backside trench of brake shoe, and exceed brake shoe 0.1mm; When the brake shoe pressurized, force transducer is exported the electric signal that is directly proportional with pressure, and is demonstrated the size of tested positive pressure by digital indicator.Because it is very high that this device on-site installation location dimension requires, and is difficult for satisfying, and easily causes the force transducer unbalance stress, makes this apparatus measures inaccurate.
Task of the present utility model is exactly not change existing plate disc brake original structure and do not influencing under the condition of its serviceability, a kind of later-model plate disc brake state monitoring apparatus is proposed, this device can carry out on-line performance to the empty moving time of the actual brake positive pressure of each drg in the gig disk braking system, the total brake positive pressure of system and each drg and detect and condition monitoring, and is shown and print.
The device of finishing above-mentioned task comprises: high precision oil pressure sensor, several brake shoes paste lock signal monitoring probe, a mine hoist safety brake switch signal detection joint and a state monitor.Oil pressure sensor is contained in gig braking system liquid and presses in the braking oil pressure pipeline at station, it can be serially connected on the total oil-pressure gauge pipe of Hydraulic Station by an oil pressure sensor, also can be contained in respectively on each oil pressure branch road that Hydraulic Station links to each other with each drg, constitute the operating oil pressure on each drg in the braking or the process that declutches is monitored by a plurality of oil pressure sensors.It is to bore an aperture on each brake block that each brake shoe pastes lock signal monitoring probe, then each brake shoe monitoring probe is packed in the aperture, and being fixed into one with brake shoe, its signal wire (SW) is drawn by brake shoe back side side direction, constitutes the brake block signal monitoring of the subsides lock time in braking procedure.Mine hoist safety brake switch signal contact is connected on the hoist control system safety return circuit emergency braking switch idle contact, constitutes the signal monitoring to the Hoist Emergency Braking power-off time.State monitor mainly is made up of 8031 micro controller systems, EPROM memory, 8155I/O interface, ADC0809A/D conv, AD522 op amp, 8279 chips, nixie display, annunciator and intelligent miniature chopping machine etc., realizes data acquisition process, demonstration, warning and printout to each incoming signal.
The utility model is to paste the lock signal time according to the fuel injection pressure signal in braking procedure and each brake block, measure the actual subsides lock oil pressure value of each drg, draw the actual brake positive pressure value that each drg glancing impact produces brake disc, and the total brake positive pressure value of brake system; According to the subsides lock time of safety arrestment power-off time and each drg, measure the moving time size of the sky of each drg when emergency braking.
The utlity model has sensing, detecting element installation simply, reliable operation, the structure of former brake system and performance such as are not influenced at characteristics, and, can make the fatigue failure of the degree of wear of brake block, disk spring or faulty conditions such as brake positive pressure between fracture and each brake shoe and action lack of balance and diagnose timely and discern according to its measured result.
Below in conjunction with accompanying drawing the utility model is described in detail, wherein:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that brake shoe of the present utility model pastes lock signal monitoring probe mounting position view.
Fig. 3 is a state monitor block diagram of the present utility model.
Fig. 4 is schematic circuit diagram of the present utility model.
Referring to Fig. 1 and Fig. 2, by elevator drum Die Scheibenbremse 1, some plate disc brakies 2 to disk spring 5 is housed, in the gig disk braking system by oil pipe 3 and drg 2 bonded assembly Hydraulic Stations 13 3 parts formation, be oil pressure sensor 10 to be contained in gig braking system liquid press on the braking oil pressure pipeline 3 at station 13, it can be serially connected on Hydraulic Station 13 total oil pressure indicator 4 pipelines 3 by an oil pressure sensor 10, also can be contained in respectively on Hydraulic Station 13 and each oil pressure branch road that each drg 2 links to each other, and 11 send state monitor 12 through going between the output of oil pressure sensor 10 by a plurality of oil pressure sensors 10; (the best is at the middle part) bores the aperture that diameter is φ 4mm on the brake shoe 6 of each drg 2, each brake shoe subsides lock signal monitoring probe 8 is packed in the aperture, and be integral admittedly with each brake shoe 6, the lead-in wire 9 that connects probe 8 is drawn by each brake shoe 6 back sides lead-in wire groove side direction and is sent state monitor 12; Mine hoist safety brake switch signal contact is connected on the hoist control system safety return circuit 7 emergency braking switch idle contact K, and send state monitor 12 by lead-in wire.Oil pressure sensor 10 is the BPRF resistance-strain bridge pressure sensors that adopt East China Electronics Co., Ltd instrument plant to produce, and its measurement range is 0～10MPa, when bridge circuit adds 6V voltage, and output 0～6mV electric signal.Probe 8 is to adopt metal easy rounding cylinders such as copper, aluminium, and also available tin is recorded and formed, and its number is identical with the number of drg 2, and the drg number is decided on actual required braking force size.
Referring to Fig. 3 and Fig. 4, by 8031 micro controller systems, EPROM memory 2764, the 8155I/O interface, the ADC0809 A and D converter, the AD522 op amp, 8279 chips, decoder 74LS138, actuator 7407,75451, nixie display LED, the state monitor 12 that annunciator and intelligent miniature chopping machine NP-16 etc. form, be with the input interface of 8155 chips as switching value, the lead-in wire 9 that connects each brake shoe subsides lock signal monitoring probe 8a～8i is linked into 8155 PA mouth and PB mouth, when brake shoe 6 sticked brake disc 1, the incoming signal of PA mouth and PB mouth was a low level; When brake shoe 6 left brake disc 1, incoming signal was a high level; 8031 micro controller systems are just known the folding condition of each brake shoe 6 by the mouth state of reading 8155PA mouth and PB mouth, and each brake shoe 6 precedence of pasting locks.Contact K is linked into 8155 PC
0Port, when gig begins emergency braking, during safety return circuit 7 outages, K closure, PC
0Mouthful become low level by high level, with 8155 bonded assemblys, 8031 micro controller systems according to 8155 PC
0This variation of mouth state starting timer T
0Clock,, note the empty stroke time of each lock respectively until each brake shoe 6 sticks brake disc 1.Oil pressure sensor 10(BPRF) Shu Chu 0～6mV electric signal send ADC0809 to carry out analogue to digital conversion after low noise high gain amplifier AD522 amplifies 800 times, and the digital signal of its output is sent 8031 micro controller systems by data bus D0～D7.Decoder 74LS138(1) by 8031 controls respectively to 8155,8279, ADC0809 chip and NP-16 chopping machine carry out the sheet choosing; Latch 74LS373 provides low eight bit address and provides A for 8279 for 2764
0Line; 2764 memories are used for depositing application programs such as control, data acquisition, computing, demonstration, printing; By the keyboard and the display interfaces 8279 of 8031 controls, through decoder 74LS138(2), (3) and actuator 75451 and 7407 manage six function key F
1～F
6And the automatic scan of 8 charactron LED shows.8031 micro controller systems are under software operation, by the detection of pasting the lock signal is matched with the detection of fuel injection pressure signal, measure the subsides lock oil pressure Pt of each lock, promptly become low level, brake shoe 6 by reaching that oil pressure constantly that closes from high level, be the subsides lock oil pressure of this lock whenever pasting the lock signal; Through formula N
1=PtS calculation process (S is known brake cylinder effective active area) draws the actual brake positive pressure N that each drg 2 glancing impact produces brake disc 1
1, and the total brake positive pressure N=of brake system ∑ N
iAnd under function key operation, show and print each observed reading that comprise: the sky of each drg when emergency braking moves the time size, the actual subsides lock oil pressure value of each drg, the actual brake positive pressure of each drg, the total brake positive pressure of brake system, each lock pastes the sequencing of lock etc.According to above-mentioned measured result, can make the fatigue failure of the degree of wear of brake block, disk spring or faulty conditions such as brake positive pressure between fracture and each brake shoe and action lack of balance and diagnose timely and discern, and by 8155 PC
1The mouth output alarm.
Claims (10)
1, a kind of plate disc brake state monitoring apparatus, be by elevator drum Die Scheibenbremse (1), some to plate disc brake (2) that disk spring (5) are housed, gig disk braking system by oil pipe (3) and drg (2) bonded assembly Hydraulic Station (13) three parts formation in, add that oil pressure sensor (10), several brake shoes paste lock signal monitorings probes (8), mine hoist safety brake switch signal detection joint and a state monitor (12), is characterized in that:
A. oil pressure sensor (10) is to be contained in gig braking system liquid to press on the braking oil pressure pipeline (3) at station (13), and its output signal send op amp in the state monitor (12) through lead-in wire (11);
B. go up at the brake shoe (6) of each drg (2) and bore an aperture, each brake shoe subsides lock signal monitoring probe (8) is packed in the aperture, and be integral admittedly with each brake shoe (6), (lead-in wire (9) of 8a～8i) is drawn PA mouth and the PB mouth that send the 8155I/0 interface in the state monitor (12) by each brake shoe (6) back side lead-in wire groove side direction to connect each probe;
C. mine hoist safety brake switch signal contact is connected on hoist control system safety return circuit (7) the emergency braking switch idle contact K, and send the PC of the 8155I/O interface in the state monitor (12) by lead-in wire
OPort;
D. the state monitor (12) that constitutes by 8031 micro controller systems, EPROM memory 2764,8155 I/O interfaces, ADC0809 A and D converter, AD522 op amp, 8279 chips, decoder 74LS138, actuator 7407,75451, nixie display LED, annunciator and intelligent miniature chopping machine NP-16 etc., be with the input interface of 8155 chips as switching value, its input interface PA mouth, PB mouth and PC
OThe mouth state variation of mouth is by data bus D
0～D
7Send 8031 micro controller systems to; The electric signal of oil pressure sensor (10) output send ADC0809 to carry out analogue to digital conversion after low noise, high gain amplifier AD522 amplify, and the digital signal of its output is by data bus D
0～D
7Send 8031 micro controller systems; Decoder 74LS138 (1) by 8031 controls respectively to 8155,8279, ADC0809, NP-16 carry out the sheet choosing; Latch 74LS373 provides low eight bit address and provides A for 8279 for 2764
0Line; By the keyboard and the display interface 8279 of 8031 controls, through decoder 74LS138 (2), (3) and actuator 75451 and six function key F of 7407 management
1～F
6And the automatic scan of 8 charactron LED shows.
2, plate disc brake state monitoring apparatus according to claim 1, it is characterized in that: oil pressure sensor (10) is to adopt BPRF resistance-strain bridge pressure sensor, its measurement range is 0～10MPa, when bridge circuit adds 6V voltage, and output 0～6mV electric signal.
3, plate disc brake state monitoring apparatus according to claim 1 and 2 is characterized in that: the magnification factor of the AD522 amplifier in the state monitor (12) is 800.
4, plate disc brake state monitoring apparatus according to claim 1 and 2, it is characterized in that: 1 oil pressure sensor (10) can be serially connected on total oil pressure indicator (4) pipeline of Hydraulic Station (13), also a plurality of oil pressure sensors (10) can be contained in respectively on Hydraulic Station (13) and each oil pressure branch road that each drg (2) links to each other.
5, plate disc brake state monitoring apparatus according to claim 1 and 2 is characterized in that: be the aperture that the diameter of drilled in middle at the brake shoe (6) of each drg (2) is 4mm; The probe (8) of packing in the aperture is to adopt metal easy rounding cylinders such as copper, lead, and also available tin perfusion forms.
6, plate disc brake state monitoring apparatus according to claim 1 and 2 is characterized in that: the number of probe (8) is identical with the number of drg (2).
7, plate disc brake state monitoring apparatus according to claim 5 is characterized in that: the number of probe (8) is identical with the number of drg (2).
8, plate disc brake state monitoring apparatus according to claim 1 and 2 is characterized in that: when each brake shoe (6) sticked brake disc (1), 8155 PA mouth, the incoming signal of PB mouth were low level; When each brake shoe (6) left brake disc (1), 8155 PA mouth, the incoming signal of PB mouth were high level; When gig begins emergency braking, during safety return circuit (7) outage, contact K closure, PC
0Mouth becomes low level by high level.
9, plate disc brake state monitoring apparatus according to claim 5 is characterized in that: when each brake shoe (6) sticked brake disc (1), 8155 PA mouth, the incoming signal of PB mouth were low level; When each brake shoe (6) left brake disc (1), 8155 PA mouth, the incoming signal of PB mouth were high level.
10, plate disc brake state monitoring apparatus according to claim 1 and 2 is characterized in that: 8155 PC in the state monitor (12)
1Mouth output device taking alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93237335 CN2173733Y (en) | 1993-07-22 | 1993-07-22 | Disc brake state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93237335 CN2173733Y (en) | 1993-07-22 | 1993-07-22 | Disc brake state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173733Y true CN2173733Y (en) | 1994-08-10 |
Family
ID=33812308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93237335 Expired - Fee Related CN2173733Y (en) | 1993-07-22 | 1993-07-22 | Disc brake state monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173733Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526833C (en) * | 2007-04-26 | 2009-08-12 | 中国矿业大学 | Disc type brake performance detection method and device |
| CN102134025A (en) * | 2006-03-16 | 2011-07-27 | 蒂森克虏伯电梯股份有限公司 | Elevator system with an electric motor |
| CN101001774B (en) * | 2004-08-12 | 2012-01-11 | 威伯科有限公司 | Brake-performance monitoring method |
| CN103072864A (en) * | 2013-02-05 | 2013-05-01 | 西安科技大学 | Idle motion time measurement sensor for digital mine hoist |
| CN103569808A (en) * | 2012-07-31 | 2014-02-12 | 上海冶金矿山机械厂 | Hydraulic station with circulating oil circuit for mine hoist |
| CN104389928A (en) * | 2014-11-11 | 2015-03-04 | 永大电梯设备（中国）有限公司 | Motor brake work state detection system |
| CN104487313A (en) * | 2012-08-21 | 2015-04-01 | 罗切咨询国际有限公司 | Device and method for measuring the pressing force of the brake linings on brake disks of rail vehicles |
| CN107215735A (en) * | 2017-07-10 | 2017-09-29 | 浙江理工大学 | A kind of detection method of elevator brake braking response time |
| CN110219916A (en) * | 2019-07-17 | 2019-09-10 | 雷沃重工股份有限公司 | A kind of monitoring method and system of clutch and brake switch operating state |
| CN110615332A (en) * | 2019-10-18 | 2019-12-27 | 苏州润吉驱动技术有限公司 | Simple detection device for measuring response time of tractor brake |
| CN110763445A (en) * | 2019-10-12 | 2020-02-07 | 西人马(西安)测控科技有限公司 | Brake monitoring method, device, equipment and storage medium |
| WO2023206932A1 (en) * | 2022-04-29 | 2023-11-02 | 中国矿业大学 | Multipoint synchronous braking control system for monorail crane, and use method therefor |
-
1993
- 1993-07-22 CN CN 93237335 patent/CN2173733Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001774B (en) * | 2004-08-12 | 2012-01-11 | 威伯科有限公司 | Brake-performance monitoring method |
| CN102134025B (en) * | 2006-03-16 | 2015-11-25 | 蒂森克虏伯电梯股份有限公司 | Driver of elevator, brake equipment and the supervision method for drg |
| CN102134025A (en) * | 2006-03-16 | 2011-07-27 | 蒂森克虏伯电梯股份有限公司 | Elevator system with an electric motor |
| CN100526833C (en) * | 2007-04-26 | 2009-08-12 | 中国矿业大学 | Disc type brake performance detection method and device |
| CN103569808A (en) * | 2012-07-31 | 2014-02-12 | 上海冶金矿山机械厂 | Hydraulic station with circulating oil circuit for mine hoist |
| CN104487313B (en) * | 2012-08-21 | 2017-01-18 | 罗切咨询国际有限公司 | Device and method for measuring the pressing force of the brake linings on brake disks of rail vehicles |
| CN104487313A (en) * | 2012-08-21 | 2015-04-01 | 罗切咨询国际有限公司 | Device and method for measuring the pressing force of the brake linings on brake disks of rail vehicles |
| CN103072864A (en) * | 2013-02-05 | 2013-05-01 | 西安科技大学 | Idle motion time measurement sensor for digital mine hoist |
| CN104389928A (en) * | 2014-11-11 | 2015-03-04 | 永大电梯设备（中国）有限公司 | Motor brake work state detection system |
| CN107215735A (en) * | 2017-07-10 | 2017-09-29 | 浙江理工大学 | A kind of detection method of elevator brake braking response time |
| CN107215735B (en) * | 2017-07-10 | 2019-01-29 | 浙江理工大学 | A kind of detection method of elevator brake braking response time |
| CN110219916A (en) * | 2019-07-17 | 2019-09-10 | 雷沃重工股份有限公司 | A kind of monitoring method and system of clutch and brake switch operating state |
| CN110219916B (en) * | 2019-07-17 | 2024-02-06 | 潍柴雷沃智慧农业科技股份有限公司 | Monitoring method and system for switching working states of clutch and brake |
| CN110763445A (en) * | 2019-10-12 | 2020-02-07 | 西人马(西安)测控科技有限公司 | Brake monitoring method, device, equipment and storage medium |
| CN110763445B (en) * | 2019-10-12 | 2022-05-06 | 西人马(西安)测控科技有限公司 | Brake monitoring method, device, equipment and storage medium |
| CN110615332A (en) * | 2019-10-18 | 2019-12-27 | 苏州润吉驱动技术有限公司 | Simple detection device for measuring response time of tractor brake |
| WO2023206932A1 (en) * | 2022-04-29 | 2023-11-02 | 中国矿业大学 | Multipoint synchronous braking control system for monorail crane, and use method therefor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |