CN205841584U - Dish with self-checking function is stopped control system - Google Patents
Dish with self-checking function is stopped control system Download PDFInfo
- Publication number
- CN205841584U CN205841584U CN201620649736.6U CN201620649736U CN205841584U CN 205841584 U CN205841584 U CN 205841584U CN 201620649736 U CN201620649736 U CN 201620649736U CN 205841584 U CN205841584 U CN 205841584U
- Authority
- CN
- China
- Prior art keywords
- bit triplet
- valve
- electromagnetic valve
- pressure switch
- air inlet
- Prior art date
- 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.)
- Expired - Fee Related
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- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses the dish of a kind of band self-checking function to stop control system, including two-bit triplet electromagnetic valve one and two-bit triplet electromagnetic valve two, two-bit triplet electromagnetic valve one connects with source of the gas with the air inlet of two-bit triplet electromagnetic valve two simultaneously, and the gas outlet of two-bit triplet electromagnetic valve two is connected with the air inlet of two-bit triplet Pneumatic valve；The gas outlet of two-bit triplet electromagnetic valve one connects with a side-inlet of shuttle valve, the opposite side air inlet of shuttle valve and anti-collision gas communication；Two-way is divided in the gas outlet of shuttle valve, and a road is connected with the air inlet of pressure switch two, and another road is connected to the control mouth of two-bit triplet Pneumatic valve, and the gas outlet of two-bit triplet QI KOU valve is connected with the air inlet of pressure switch one.Of the present utility model, shorten and send the lag time that brake signal performs to brake；Can detect in advance control element whether can normally work, as long as and have one control loop be normal, it becomes possible to realize brake function, improve reliability and safety.
Description
Technical field
This utility model belongs to petroleum machinery equipment and controls technical field, relates to the dish of a kind of band self-checking function and stops control system
System.
Background technology
It is the main brake gear of oil-well rig that dish is stopped, and the reliability of its work is related to oil-well rig and operator
Safety.Owing to brake reaction is too slow, cause delayed or due to components and parts fault of braking, causing brake not to perform or malfunction
Make all may cause the generation of security incident, in some instances it may even be possible to cause great security incident.
Utility model content
The purpose of this utility model is to provide the dish of a kind of band self-checking function and stops control system, solves prior art mid-game
Control system of the stopping response time is slow, and components and parts fault cannot find in time, the problem easily causing brake accident.
This utility model be employed technical scheme comprise that, the dish of a kind of band self-checking function is stopped control system, including two three
Three-way electromagnetic valve one and two-bit triplet electromagnetic valve two, the air inlet of two-bit triplet electromagnetic valve one and two-bit triplet electromagnetic valve two simultaneously with
Source of the gas connects, and the gas outlet of two-bit triplet electromagnetic valve two is connected with the air inlet of two-bit triplet Pneumatic valve；Two-bit triplet electromagnetic valve
The gas outlet of one connects with a side-inlet of shuttle valve, the opposite side air inlet of shuttle valve and anti-collision gas communication；Giving vent to anger of shuttle valve
Mouthful point two-way, a road is connected with the air inlet of pressure switch two, and another road is connected to the control mouth of two-bit triplet Pneumatic valve, two
The gas outlet of three blow vent valves is connected with the air inlet of pressure switch one；
The control coil of two-bit triplet electromagnetic valve one is connected with the control end 1# mouth of PLC, the control of two-bit triplet electromagnetic valve two
Coil processed is connected with the control end 2# mouth of PLC；Pressure switch two passes sequentially through pressure switch one, the normally opened contact of relay one
RL1 is connected with positive source, and the normally opened contact RL1 of relay one is also by the control of normally opened contact RL2 Yu PLC of relay two
End 4# mouth connects；Pressure switch two other end lead up to relay two coil after be connected with power cathode；Pressure switch two
Being stopped by danger button and dish and be connected with power cathode after electromagnetic valve in the other end the second tunnel, stop electromagnetic valve and dish of dish is stopped mechanism controls
Connect；Coil one end of relay one is connected with power cathode, and the coil other end of relay one connects with the control end 3# mouth of PLC
Connect.
The dish of band self-checking function of the present utility model is stopped control system, is further characterized in that:
PLC uses Programmable Logic Controller.
The beneficial effects of the utility model are, by increasing ventilation brake function, shorten and send brake signal to brake
The lag time performed；By increasing control system self-checking function, it is possible to detection in advance controls whether element can normally work,
As long as and it is normal for having one to control loop, it becomes possible to realize brake function, improve reliability and the safety of brake function
Property.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model device.
In figure, 1. two-bit triplet electromagnetic valve one, 2. two-bit triplet electromagnetic valve two, 3. two-bit triplet Pneumatic valve, 4. pressure is opened
Guan Yi, 5. pressure switch two, 6. relay one, 7. relay two, 8. danger button, 9. dish is stopped electromagnetic valve, 10. shuttle valve, 11. gas
Source, 12.PLC,
It addition, RL1 is the normally opened contact of relay 1, RL2 is the normally opened contact of relay 27.
Detailed description of the invention
With detailed description of the invention, this utility model is described in detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, structure of the present utility model is, including two-bit triplet electromagnetic valve 1 and two-bit triplet electromagnetic valve 22,
Two-bit triplet electromagnetic valve 1 connects with source of the gas 11 with the air inlet of two-bit triplet electromagnetic valve 22 simultaneously, two-bit triplet electromagnetic valve two
The gas outlet (working hole) of 2 is connected with the air inlet of two-bit triplet Pneumatic valve 3；The gas outlet of two-bit triplet electromagnetic valve 1 and shuttle
One side-inlet connection of valve 10, (anti-collision gas is that other equipment are sent out for the opposite side air inlet of shuttle valve 10 and anti-collision gas communication
The anti-collision signal gone out)；Two-way is divided in the gas outlet of shuttle valve 10, and a road is connected with the air inlet of pressure switch 25, and another road is connected to
The control mouth of two-bit triplet Pneumatic valve 3, the gas outlet of two-bit triplet QI KOU valve 3 is connected with the air inlet of pressure switch 1；
The control coil of two-bit triplet electromagnetic valve 1 is connected with the control end 1# mouth of PLC12, two-bit triplet electromagnetic valve 22
Control coil be connected with the control end 2# mouth of PLC12；Pressure switch 25 passes sequentially through pressure switch 1, relay 1
Normally opened contact RL1 is connected with positive source, and the normally opened contact RL1 of relay 1 is also by the normally opened contact RL2 of relay 27
It is connected with the control end 4# mouth of PLC12；Pressure switch 25 other end lead up to relay 27 coil after with power cathode
Connect；Being stopped by danger button 8 and dish and be connected with power cathode after electromagnetic valve 9 in pressure switch 25 other end the second tunnel, dish is stopped electricity
Magnet valve 9 mechanism controls of stopping with dish is connected；Coil one end of relay 1 is connected with power cathode, the coil of relay 1 another
End is connected with the control end 3# mouth of PLC12.
PLC12 uses Programmable Logic Controller, PLC12 respectively by different control end 1# mouths, 2# mouth or 3# mouth export or
Cut off supply two-bit triplet electromagnetic valve 1, two-bit triplet electromagnetic valve 22 or the signal of telecommunication of relay 1；Pressure switch 1, pressure
Power switch 25, danger button 8, dish are stopped and are connected by cable between electromagnetic valve 9, relay 1, relay 27 and PLC12.
Structure of the present utility model, it is possible to realize following functions:
1, when PLC12 needs to control the brake of Pan Sha mechanism, it is accomplished by:
1.1) the 1# mouth energising of PLC12, makes two-bit triplet electromagnetic valve 1 switching supply, and compressed air passes through two-bit triplet
Two-way it is divided into: a road drives pressure switch 25, makes pressure switch 25 disconnect, thus cut-out dish is stopped after electromagnetic valve 1, shuttle valve 10
The power supply of electromagnetic valve 9, Shi Pansha mechanism brakes；Another road drives two-bit triplet Pneumatic valve 3, makes two-bit triplet Pneumatic valve 3 switch,
Cut off the compressed air feeding to pressure switch 1, make pressure switch 1 reset, the power supply of electromagnetic valve 9 thus cut-out dish is stopped, make
Pan Sha mechanism brakes, it is achieved ventilation brake function.
1.2) the 2# mouth power-off of PLC12, makes two-bit triplet electromagnetic valve 22 reset aerofluxus, thus cuts off and feed to pressure switch
The compressed air of 1, makes pressure switch 1 reset, the power supply of electromagnetic valve 9 thus cut-out dish is stopped, and Shi Pansha mechanism brakes, it is achieved
Break brake function.
1.3) the 3# mouth power-off of PLC12, makes the RL1 of relay 1 reset, and the power supply of electromagnetic valve 9 thus cut-out dish is stopped makes
Pan Sha mechanism brakes.
2, sending anti-collision signal when other system, the anti-collision signal port end of shuttle valve 10 has compressed air to input, compressed air
By being divided into two-way after shuttle valve 10: a road drives pressure switch 25, makes pressure switch 25 disconnect, the electromagnetic valve thus cut-out dish is stopped
The power supply of 9, Shi Pansha mechanism brakes；Another road drives two-bit triplet Pneumatic valve 3, makes two-bit triplet Pneumatic valve 3 switch, and cuts off and supplies
To the compressed air of pressure switch 1, pressure switch 1 is made to reset, the power supply of electromagnetic valve 9 thus cut-out dish is stopped, make dish stop machine
Structure brakes.
3, operator are in case of emergency by pressing danger button 8, and cut-out dish is stopped the power supply of electromagnetic valve 9, makes dish stop
Mechanism brakes.
4, there is self-checking function, detect each components and parts the most working properly.Concrete operations are as follows:
4.1) the 1# mouth making PLC12 is energized, 2# mouth is energized, the energising of 3# mouth.Two-bit triplet electromagnetic valve 1 switching under this state
Supply.The state of the 4# mouth detection relay 27 of PLC12, thus judge two-bit triplet electromagnetic valve 1, shuttle valve 10, pressure switch
25, two-bit triplet Pneumatic valve 3, pressure switch 1 are the most normal.
4.2) the 1# mouth power-off of PLC12,2# mouth power-off, the energising of 3# mouth are made.Two-bit triplet electromagnetic valve 22 power-off under this state
Aerofluxus, pressure switch 1 reset.The state of the 4# mouth detection relay 27 of PLC12, thus the most just judge pressure switch 1
Often.
4.3) making the 1# mouth power-off of PLC12, the energising of 2# mouth, 3# mouth power-off, the normally opened contact RL1 of relay 1 resets,
The state of the 4# mouth detection relay 27 of PLC12, thus judge that relay 1 is the most normal.
Claims (2)
1. the dish of a band self-checking function is stopped control system, it is characterised in that: include two-bit triplet electromagnetic valve one (1) and two three
Three-way electromagnetic valve two (2), the air inlet of two-bit triplet electromagnetic valve one (1) and two-bit triplet electromagnetic valve two (2) simultaneously with source of the gas (11)
Connection, the gas outlet of two-bit triplet electromagnetic valve two (2) is connected with the air inlet of two-bit triplet Pneumatic valve (3)；Two-bit triplet electromagnetism
The gas outlet of valve one (1) connects with a side-inlet of shuttle valve (10), and the opposite side air inlet of shuttle valve (10) is with anti-collision gas even
Logical；Two-way is divided in the gas outlet of shuttle valve (10), and a road is connected with the air inlet of pressure switch two (5), and another road is connected to two three
The control mouth of logical Pneumatic valve (3), the gas outlet of two-bit triplet QI KOU valve (3) is connected with the air inlet of pressure switch one (4)；
The control coil of two-bit triplet electromagnetic valve one (1) is connected with the control end 1# mouth of PLC (12), two-bit triplet electromagnetic valve two
(2) control coil is connected with the control end 2# mouth of PLC (12)；Pressure switch two (5) passes sequentially through pressure switch one (4), continues
The normally opened contact RL1 of electrical equipment one (6) is connected with positive source, and the normally opened contact RL1 of relay one (6) is also by relay two
(7) the control end 4# mouth of normally opened contact RL2 with PLC (12) is connected；Pressure switch two (5) other end leads up to relay two
(7) it is connected with power cathode after coil；Stopped electromagnetism by danger button (8) and dish in pressure switch two (5) other end the second tunnel
Valve (9) is connected with power cathode afterwards, and dish electromagnetic valve (9) mechanism controls of stopping with dish of stopping is connected；Coil one end of relay one (6) with
Power cathode connects, and the coil other end of relay one (6) is connected with the control end 3# mouth of PLC (12).
The dish of band self-checking function the most according to claim 1 is stopped control system, it is characterised in that: described PLC (12) adopts
Use Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620649736.6U CN205841584U (en) | 2016-06-27 | 2016-06-27 | Dish with self-checking function is stopped control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620649736.6U CN205841584U (en) | 2016-06-27 | 2016-06-27 | Dish with self-checking function is stopped control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841584U true CN205841584U (en) | 2016-12-28 |
Family
ID=57620694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620649736.6U Expired - Fee Related CN205841584U (en) | 2016-06-27 | 2016-06-27 | Dish with self-checking function is stopped control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841584U (en) |
-
2016
- 2016-06-27 CN CN201620649736.6U patent/CN205841584U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |