CN204253694U - The gradient device of real-time detection disc type brake two-stage emergency braking time - Google Patents
The gradient device of real-time detection disc type brake two-stage emergency braking time Download PDFInfo
- Publication number
- CN204253694U CN204253694U CN201420346607.0U CN201420346607U CN204253694U CN 204253694 U CN204253694 U CN 204253694U CN 201420346607 U CN201420346607 U CN 201420346607U CN 204253694 U CN204253694 U CN 204253694U
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- CN
- China
- Prior art keywords
- oil pressure
- emergency braking
- brake
- time
- pressure sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to mining elevator technical field, disclose the gradient device of a kind of real-time detection disc type brake two-stage emergency braking time, be arranged on the oil pressure sensor on B road binders pipe, capture card/PLC, industrial computer and gate control system, described brake disc is distributed with N number of stopping brake, the B road binders pipe of each flexible stopping brake oil cylinder is provided with oil pressure sensor; Oil pressure sensor on each B road binders pipe is connected with industrial computer input end by capture card/PLC first input end; Industrial computer output terminal is connected with flexible stopping brake by gate control system, and the electrical signal that wherein gate control system controls stopping brake flexible is connected with capture card/PLC second input end.The utility model is compared with existing two-stage emergency braking time measurement device, have the accurate precision of survey data high, error is little, realizes convenient and simple, do not need to add any additional device, accurately can detect each phases-time of two-stage emergency braking in real time online.
Description
Technical field
The utility model relates to mining elevator technical field, particularly relates to the gradient device of a kind of real-time detection disc type brake two-stage emergency braking time.
Background technique
Winder Disk Brake hydraulic station has two road binders pipe-A road binders pipes and B road binders pipe, all breaks on hydraulic oil supply brake disc 7A in A road binders pipe, all breaks on hydraulic oil supply brake disc 7B in B road binders pipe, in the Winder Disk Brake adopting two-stage emergency braking, oil pressure in A road binders pipe during generation emergency braking, be called for short oil pressure in A pipe oil pressure and B road binders pipe, the change being called for short B pipe oil pressure is different, A pipe oil pressure falls back to rapidly close to 0 MPa residual voltage, the all stopping brakes positive pressure that act on brake disc 7A on relevant to brake disc 7A reaches maximum, and the change of B pipe oil pressure is divided into two stages, first stage drops to a moderate oil pressure, continue one period of stabilization time---the one-phase endurance, then just fall back to close to 0 MPa residual voltage.One-phase stable endurance, can not be too short for the braking effect important role that emergency braking in well occurs, again can not be oversize, and explicitly call for this in the industry, General Requirements is not less than 8 seconds.
Adopting hydraulic station A road and the B road binders pipe of two-stage emergency braking, each installation oil pressure sensor, just in lifting process, when producing emergency braking, emergency braking in well, under emergency brake signal effect, B pipe oil pressure is by two-stage change in process, all stopping brakes positive pressure acted on brake disc 7B of brake disc 7B is also be divided into the two-stage, just can become maximum in second stage.
The one-phase endurance in two-stage emergency braking is generally less than n second, when there is emergency braking each time, oil pressure sensor data (n≤10 gathering n second are needed to B pipe oil pressure, whole two phase data can be included), 10f sample frequency data composition B pipe two-stage oil pressure course curve altogether.
After the data capture of n B second pipe oil pressure is complete, computer calculates the forward gradient of each point on the B pipe oil pressure course curve of emergency braking each time according to real-time forward gradient method, judge and find out the sampled point sequence number of B, C, D and E point, calculate the time in each stage thus.
After the data capture of n B second pipe oil pressure is complete, computer also can calculate the reverse gradient of each point on the B pipe oil pressure course curve of emergency braking each time according to real-time reverse gradient method, judge and find out the sampled point sequence number of E, D, C and B point, calculate the time in each stage thus.
The current measurement disc type brake two-stage emergency braking time generally adopts indirect mode measuring device, the physical behavio(u)r feature of each period of stopping brake two-stage emergency braking can not be reflected completely and accurately, validity is lower, and error is comparatively large, generally also needs additional firmware facility.
Summary of the invention
The purpose of this utility model is the deficiency for existing disc type brake two-stage emergency braking time measurement, provides the gradient device of a kind of real-time detection disc type brake two-stage emergency braking time.
For achieving the above object, the utility model adopts following technological scheme:
A kind of gradient device detecting emergency braking time disc type brake two-stage, comprise: be arranged on oil pressure sensor 6B, capture card/PLC, industrial computer and the gate control system on the second road binders pipe B, brake disc 7B is distributed with N number of stopping brake 2, the second road binders pipe B of each flexible stopping brake 2 oil cylinder 5 be communicated with hydraulic station 11 is provided with oil pressure sensor 6B; Oil pressure sensor 6B on second road binders pipe B is connected with industrial computer input end by capture card/PLC first input end; Industrial computer output terminal is connected with flexible stopping brake 2 by gate control system, and the electrical signal that wherein gate control system controls stopping brake 2 flexible is connected with second input end of capture card/PLC by signaling line.
Owing to adopting technological scheme as above, the utility model has following superiority:
The gradient device of real-time detection disc type brake two-stage emergency braking time is the physical behavio(u)r feature according to two-stage emergency braking stopping brake oil pressure, directly measures the gradient device of each phases-time of two-stage emergency braking.
The utility model, by being arranged on the oil pressure sensor on hydraulic station B road binders pipe, under lock control controls, can being used forward gradient method and reverse gradient method, realize the time of measuring the emergency braking of disc type brake two-stage in real time.Meet the physical behavio(u)r feature of emergency braking time stopping brake two-stage, compared with existing two-stage emergency braking time measurement device, there is survey data accurate, precision is high, error is little, realize convenient and simple, do not need to add any additional device, accurately can detect each phases-time of two-stage emergency braking in real time online.
Accompanying drawing explanation
Fig. 1 is the disc-like brake structure schematic diagram measuring emergency braking time two-stage in real time;
Fig. 2 is the circuit block diagram measuring disc type brake two-stage emergency braking time gradient device in real time;
Fig. 3 measures emergency braking time two-stage in real time to B pipe oil pressure sensor sampling oil pressure course plotted curve;
In figure: 1. disk type braker; 2. stopping brake; 3. piston; 4. disc spring; 5. oil cylinder; 6A.A road binders pipe oil pressure sensor; 6B.B road binders pipe oil pressure sensor; 7A. brake disc A; 7B. brake disc B; 8. roller; 9. cage/Tau-Kok struggles against; 10. wire rope; 11. hydraulic stations; P-oil pressure; N number of stopping brake altogether; W-working cell, S---stater.
In Fig. 3: F: the stable state that declutches oil pressure; G: one-phase transient state oil pressure; H: one-phase stable state oil pressure; K: two-stage transient state oil pressure; L: combined floodgate stable state oil pressure; YY-oil pressure.
Embodiment
With reference to the accompanying drawings the present invention and model utility embodiment example are described below.
As shown in Figure 1, 2, 3, the gradient device of a kind of real-time detection disc type brake two-stage emergency braking time, comprise: be arranged on oil pressure sensor 6B, capture card/PLC, industrial computer and the gate control system on the second road binders pipe B, described brake disc 7B is distributed with N number of stopping brake 2, the B road binders pipe of each flexible stopping brake 2 oil cylinder 5 be communicated with hydraulic station 11 is provided with oil pressure sensor 6B; Oil pressure sensor 6B on each second road binders pipe B is connected with industrial computer input end by capture card/PLC first input end; Industrial computer output terminal is connected with flexible stopping brake 2 by gate control system, and the electrical signal that wherein gate control system controls stopping brake 2 flexible is connected with capture card/PLC second input end.
The utility model detects the gradient device of emergency braking time disc type brake two-stage in real time as the oil pressure sensor in Fig. 1, capture card/PLC, industrial computer and lock control, and lock control is that disk type braker online monitoring system is called for short lock control or gate control system.When there is two-stage emergency braking, under lock control controls, capture card/PLC gives computer with the oil pressure value of designated period T or frequency f continuous acquisition oil pressure sensor, and the oil pressure value composition two-stage emergency braking oil pressure course curve of sampling, as Fig. 3.
In real-time forward gradient method, in Fig. 3 from sampled point sequence number 0, along the sampling order of oil pressure sensor oil pressure value, to each its forward gradient of point-to-point measurement on oil pressure course curve, by comparison forward graded, measure position (the sampled point sequence number m from forward gradient < α to the forward joint B point of gradient>=α
b), from forward gradient>=α to position (the sampled point sequence number m of the forward joint C point of gradient < α
c), from forward gradient < α to position (the sampled point sequence number m of the forward joint D point of gradient>=α
d), and from forward gradient>=α to position (the sampled point sequence number m of the forward joint E point of gradient < α
e) measure the time T of each section of stopping brake two-stage emergency braking thus
bc=(m
c-m
b) T, T
cd=(m
d-m
c) T, T
de=(m
e-m
d) T.
In real-time reverse gradient method, in Fig. 3 from sampled point sequence number m, against the sampling order of oil pressure sensor oil pressure value, to each its reverse gradient of point-to-point measurement on oil pressure course curve, by the reverse graded of comparison, measure position (the sampled point sequence number m of the joint E point from reverse gradient < α to reverse gradient>=α
e), position (the sampled point sequence number m of the joint D point from reverse gradient>=α to reverse gradient < α
d), position (the sampled point sequence number m of the joint C point from reverse gradient < α to reverse gradient>=α
c), position (the sampled point sequence number m of the joint B point from reverse gradient>=α to reverse gradient < α
b), measure the time T of each section of stopping brake two-stage emergency braking thus
de=(m
e-m
d) T, T
cd=(m
d-m
c) T, T
bc=(m
c-m
b) T.
Claims (1)
1. one kind is detected the gradient device of emergency braking time disc type brake two-stage in real time, it is characterized in that: comprising: be arranged on oil pressure sensor (6B), capture card/PLC, industrial computer and the gate control system on the second road binders pipe B, brake disc (7B) is distributed with N number of stopping brake (2), the second road binders pipe B of each flexible stopping brake (2) oil cylinder (5) be communicated with hydraulic station (11) is provided with oil pressure sensor (6B); Oil pressure sensor (6B) on each second road binders pipe B is connected with industrial computer input end by capture card/PLC first input end; Industrial computer output terminal is connected with flexible stopping brake (2) by gate control system, and the electrical signal that the stopping brake (2) that wherein gate control system controls stretches is connected with second input end of capture card/PLC by signaling line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346607.0U CN204253694U (en) | 2014-06-27 | 2014-06-27 | The gradient device of real-time detection disc type brake two-stage emergency braking time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346607.0U CN204253694U (en) | 2014-06-27 | 2014-06-27 | The gradient device of real-time detection disc type brake two-stage emergency braking time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253694U true CN204253694U (en) | 2015-04-08 |
Family
ID=52958005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420346607.0U Withdrawn - After Issue CN204253694U (en) | 2014-06-27 | 2014-06-27 | The gradient device of real-time detection disc type brake two-stage emergency braking time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088939A (en) * | 2014-06-27 | 2014-10-08 | 洛阳中重自动化工程有限责任公司 | Gradient method and apparatus for detecting two-stage emergency braking time of disc brake |
-
2014
- 2014-06-27 CN CN201420346607.0U patent/CN204253694U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088939A (en) * | 2014-06-27 | 2014-10-08 | 洛阳中重自动化工程有限责任公司 | Gradient method and apparatus for detecting two-stage emergency braking time of disc brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150408 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150408 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |