CN209557670U - A kind of control system of inflatable seal device - Google Patents
A kind of control system of inflatable seal device Download PDFInfo
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- CN209557670U CN209557670U CN201822254106.0U CN201822254106U CN209557670U CN 209557670 U CN209557670 U CN 209557670U CN 201822254106 U CN201822254106 U CN 201822254106U CN 209557670 U CN209557670 U CN 209557670U
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Abstract
The utility model relates to a kind of Hydraulic Field and automate automatically controlled control field more particularly to a kind of control system of inflatable seal device.This control system, including sealing device, its control system includes two-way air pump assembly, controller and energy agency, two-way air pump assembly includes air exhaust pump and inflator pump, air exhaust pump is connected with venting solenoid valve, inflator pump is connected by check valve with inflation solenoid valve and air accumulator, and inflation solenoid valve is connected with solenoid electric valve, and solenoid electric valve is connected with the charge and discharge gas nozzle of sealing device.Compared with prior art, there are intelligent pressure maintaining, inflation/deflation operation control system and spare emergency function；Guarantee sealing system safe operation, in time when sealing deficiency occur or when inflation source problem, there is time enough to allow and operate carry out operation, then power cut-off；Realize security system maintenance.
Description
Technical field
The utility model relates to a kind of Hydraulic Field and automate automatically controlled control field more particularly to a kind of inflatable seal
The control system of device.
Background technique
With the development of science and technology, the update of technology, inflation sealing device is in a variety of mechanical equipments, new energy nuclear power station
Ground vehicle, each field such as fire fighting truck and deep-water subsurface maintenance are widely used；Especially in extraordinary hydraulic draining Operation Van, draining
Seal for pipe joints is even more mainly based on inflatable seal technology；The inflatable seal of traditional drainage car drainage pipeline, generally
Use soft rubber for material, hollow sealing element is arranged in the seal groove of fluting, utilizes the flexible characteristic of rubber itself, normality
It is hidden in groove, buckling distortion occurs for when inflation, and distal portion bulges outward, is in close contact with inner wall tube, reaches sealing effect
Fruit；However sealing system is in high load for a long time, under inner wall phase mutual friction, and severe high and low temperature environment, can make rubber bullet
Property it is insufficient, under normal pressure, sealing element can not completely disengage contact surface, and hydraulic draining pipeline is caused to grind sealing element in stretching operation
Damage damage failure, to cannot achieve sealing.
Moreover, during replacing sealing element, need to separate the inside and outside drainage pipeline to stretch, by inner tube rear end from outer tube
Front end detaches, and old sealing element is removed from the inner tube rear end in telescopic drain road, the sealing element more renewed, again by separating step
Reduction；Project amount is big in this way, and dismounting and change is extremely inconvenient, takes time and effort；And drainage car is in drainage works operational process, because
Drainage pipeline play and covibration are easy that sealing element air pressure inside is made to be unable to maintain that normal sealing air pressure, lead to flexible draining
Pipeline resonance is serious, is seriously worn, deformation occurs, safety hazards occurs.
Inflatable seal (publication No. CN104100722A) is the closed loop sealing element of a monoblock type, in the place of sealing
The seal groove for marking rectangular shape, by being inflated to sealing ring so that sealing ring expands, the gap that filling need to seal reaches close
Pass through pressure retaining valve pressure maintaining after sealing index；Although gas-tight seal and pressure maintaining, the simple cost of structure may be implemented in this sealing structure circle
It is low, but replacement replacement is extremely inconvenient, and sealing element could be replaced by needing to dismantle internal and external casing, be taken time and effort；Once positive system
When insufficient pressure maintaining or caoutchouc elasticity deficiency occurs in system, sealing deficiency is equally existed, sealing element problem is seriously worn.
The patent of Publication No. CN106763800A discloses a kind of gas-flow closure circle, is that one kind is filled on ring structure
Integrally open circular ring structure, sealing ring both ends are correspondingly provided with compatible first hierarchic structure of shape and the second ladder for gas inner cavity
Structure, is equipped with plug and socket mechanism corresponding with plug in the first hierarchic structure and the second hierarchic structure, plug and
Closed circular ring structure is formed after socket grafting；When installation, fixed seal ring one end be located at inserting mouth outside, the other end from dismounting mouth
Along corresponding expanding square installation cavity track, rotate about and returned at dismounting mouth after a week, by the plug at sealing ring both ends and
Associated socket forms sealed annulus, and then gas-flow closure after corresponding to grafting；The invention is solved without dismounting flexible inner-outer sleeve
Pipe is easy to operate with regard to fast changeable sealing, but not can avoid because play causes sealing ring to be protected in telescoping tube drainage procedure
Pressure is insufficient and the plug and respective socket at sealing ring both ends loosen, and is detached from sealing ring track into seal clearance, and then and inner tube
Abrasion, deformation occurs.
Therefore, it is necessary to a kind of structure is simple, the service life is long, securely and reliably, replacement easy to disassemble, the sealing dress of reasonable Arrangement
It sets, and there is intelligent pressure maintaining, inflation/deflation is convenient, airtight sealing control system easy to operate.
Summary of the invention
The utility model is aiming at the demand of market and client, and it is an object of the present invention to provide a kind of intelligence pressure maintaining, inflation/deflation side
Just, hermetic seal operating system easy to operate.
The utility model is realized in this way a kind of control system of inflatable seal device, including sealing device, it is special
Sign is: the control system includes two-way air pump assembly, controller and energy agency, and the two-way air pump assembly includes
Air exhaust pump and inflator pump, the air exhaust pump are connected with venting solenoid valve, the inflator pump by check valve and inflation solenoid valve and
Air accumulator is connected, and the inflation solenoid valve is connected with solenoid electric valve, the charge and discharge gas nozzle of the solenoid electric valve and sealing device
It is connected.
A kind of control system of inflatable seal device, it is characterised in that: the controller and two-way air pump assembly and electricity
Magnetic control valve is connected, and can control solenoid valve and the work of two-way air pump assembly by issuing dependent instruction.
The check valve is connected with safety valve.
The energy agency is vehicle-mounted 24/12v lead-acid battery, and provides the energy for controller and associated solenoid valve.
The utility model has the beneficial effects that: having intelligent pressure maintaining, inflation/deflation operation control system and spare emergency
Function；Guarantee sealing system safe operation, in time occur sealing it is insufficient when or when inflation source problem, there is time enough to allow behaviour
Make carry out operation, then power cut-off；Realize security system maintenance.
Detailed description of the invention
Fig. 1 is that the utility model relates to a kind of sealing device structure perspective views of the control system of inflatable seal device；
Fig. 2 is the utility model and a kind of sealing device structure main view of the control system of inflatable seal device；
Fig. 3 is that the structure installed on telescoping tube the utility model relates to a kind of control system of inflatable seal device is shown
It is intended to；
Fig. 4 is the A of Fig. 2 to structural schematic diagram；
Fig. 5 is the B of Fig. 3 to structural schematic diagram；
Fig. 6 is sealing element inflation state of pressure keeping figure；
Fig. 7 is sealing element normal pressure state figure；
Fig. 8 is sealing element pumping emptying state figure；
Fig. 9 is that the utility model relates to a kind of air pressure schematic diagrams of the control system of inflatable seal device.
Shown in attached drawing, wherein 1, sealing element；2, charge and discharge port；3, charge and discharge gas nozzle；4, tongue plug；5, groove socket；6,
Connector；7, slot is buckled；8, outer telescopic tube；9, telescoping inner；10, stop flange；11, sealing element installation cavity； 111,
The rectangular notch of installation cavity；112, installation slotted eye；113, trajectory ramp；12, seal clearance；13, inverted triangle wall pipe；131, skew wall end
Face；14, rectangular thin-wall tube；141, semicircle small boss；15, sealing element inner cavity；16, sealing element executing agency；17, Electromagnetic Control
Valve；18, solenoid valve is inflated；19, air accumulator；20, safety valve；21, check valve；22, two-way air pump assembly；23, controller；24,
Energy agency；25, venting solenoid valve.
Specific embodiment
As shown in Figures 1 to 9, a kind of control system of inflatable seal device, including sealing device, control system packet
Two-way air pump assembly 22, controller 23 and energy agency 24 are included, two-way air pump assembly 22 includes air exhaust pump and inflator pump, is put
Air pump is connected with venting solenoid valve 25, and inflator pump is connected by check valve 21 with inflation solenoid valve 18 and air accumulator 19, inflation electricity
Magnet valve 18 is connected with solenoid electric valve 17, and solenoid electric valve 17 is connected with the charge and discharge gas nozzle 3 of sealing device.
A kind of control system of inflatable seal device, controller 23 and two-way air pump assembly 22 and solenoid electric valve 17
It is connected, and can control solenoid valve and the work of two-way air pump assembly 22 by issuing dependent instruction.
Check valve 21 is connected with safety valve 20.
Energy agency 24 is vehicle-mounted 24/12v lead-acid battery, and provides energy for controller 23 and associated solenoid valve 17,18,25
Source.
As shown in figure 9, draining telescopic pipes seal operation system includes sealing element executing agency 16, pilot pressure electromagnetism
Control valve 17, inflation two-position two-way solenoid valve 18, air accumulator 19, safety valve 20, check valve 21, two-way air pump assembly 22, control
Device 23, energy agency 24, deflation two-position two-way solenoid valve 25.Its pilot pressure control valve 17 is mainly given by pressure sensor signal
It is fixed, it is the testing agency of the internal gas load pressure of sealing element executing agency 16, constantly by the pressure value of internal system gas
It is transmitted in controller 23 by voltage analog magnitude；It is programmed and is arranged by 23 logic software of controller, it is (low to issue dependent instruction
Level signal) control associated solenoid valve mechanism element and the work of two-way air pump assembly 22.
Air accumulator 19 is gas storage structure, as gas storage, emergency gas storage equipment, when 16 seal operation of sealing element executing agency
When, two-way air pump assembly 22 can be caused inflation/deflation not work normally, also opened to pass through gas storage to avoid because of certain external reason
19 emergency of tank carries out ending processing operation related work, shortens detection time, keep away offer enough crash times to worker
Exempt from accident.
Safety valve 20 is system pressure safeguard protection effect, guarantees that air pressure inside keeps setup pressure value 0.9MPa；Unidirectionally
Valve 21, which plays pressure maintaining effect, prevents air pressure when inflation from flowing back；Two-way air pump assembly 22, to there is the driving source of inflation and deflation, clockwise
It rotates and is inflated to internal system, the air pressure value inside sealing element 1 is quickly down to room temperature setting value when rotation counterclockwise
0MPa；Two-way air pump assembly 22 is executed starting by the order of controller 23, when the pressure value of air accumulator 19 is down to 0.4MPa value, control
Device 23 processed issues two-way air pump assembly 22 and rotates clockwise, shutdown when 19 pressure value of air accumulator reaches 1MPa；Energy agency 24 is
Controller 23 and associated solenoid valve 17,18,25 provide electric power energy (generally automobile-used 24/12v lead-acid battery), deflate two two
Three-way electromagnetic valve 25 and inflation two-position two-way solenoid valve 18, as serving.
The control method on drainage car of the sealing control system has following three kinds of states:
It inflates working condition: when 1 system of sealing element needs gas-flow closure to work (suction pump motor operations), inflating two two
Three-way electromagnetic valve 18 is opened, when pressure reaches the pressure value 0.9MPa of the setting of pilot pressure electromagnetism control 17, pilot pressure electromagnetism control
Valve 17 processed is closed, in operational process when the pressure value of air accumulator 19 is less than setting lowest starting pressure value 0.8MPa, two-way gas
Pump assembly 22 starts clockwise, until two-way air pump assembly 22 stops when the pressure value of air accumulator 19 reaches setting pressure 1MPa
Work, moment guarantee that air accumulator 19 is in load pressure value, provide enough gas sources for the subsequent seal operation of operation again.
Pressure maintaining working condition: when sealing element executing agency 16, which inflates, to complete, cause because of drainage pipeline play and resonance in
When portion's system pressure declines in draining operational process, controller 23 constantly receives pilot pressure solenoid electric valve 17 and sends
Pressure value signal be again turned on inflation two-position two-way solenoid valve 18 when detected value is less than setting 0.8MPa, allow sealing element 1
Internal pressure reaches setup pressure value 0.9MPa again, in operational process, if the pressure value of air accumulator 19 be less than set it is minimum
When starting pressure value 0.8MPa, the two-way starting clockwise of air pump assembly 22, until the pressure value of air accumulator 19 reaches setting pressure
When 1MPa, two-way air pump assembly 22 stops working, and guarantees that system pressure is constant, good seal, intelligent measurement control.
Deflation operations state: when detecting that telescopic arm pipe needs working condition, deflation two-position two-way solenoid valve 28 is opened, double
To the rotation exhaust counterclockwise of air pump assembly system 25, realize that 1 internal pressure of sealing element quickly reduces, it will not be because of 1 rubber of sealing element
Glue elasticity is insufficient, can not restore, lead to insufficient problem of deflating, when 1 internal pressure of sealing element reaches normality setup pressure value 0MPa,
Two-way air pump assembly 22 stops working, and deflation two-position two-way solenoid valve 25 is closed.
The specific control method on drainage car of the sealing control system: when operator manipulates master control borad, determining is needed
When carrying out telescopic arm pipe stretching motion, the telescopic oil cylinder for pressing master control borad advances or backspace button, master control borad receive this
After action command instruction, low level starting letter is directly transmitted to the venting solenoid valve of sealing control system 18 and air exhaust pump respectively
Number, it is also simultaneously emitted by run signal to the balanced solenoid valve of the oil cylinder of telescopic arm pipe, but answer the PLC inner setting logic of master control borad
After 3s being postponed, just transmits a signal on telescopic arm pipe oil cylinder on balanced solenoid valve, make its movement.
Mesh must be after guaranteeing that sealing device is allowed first to deflate, and telescopic arm pipe oil cylinder just acts, and protects sealing element 1 not with telescopic arm
Movement abrasion；In deflation course, system pressure value is constantly fed back to master control by the pressure sensor signal of venting solenoid valve 25
On plate, when master control borad continuity receives digital pressure values≤0MPa of 10 frames, master control borad will be automatically stopped and send a signal to
In venting solenoid valve 25 and air exhaust pump, venting solenoid valve 25 is closed, deflation air pump inoperative；The same reception of controller 23 at this time
Come to the pressure value signal of air accumulator 19, and feed back on master control borad PLC, persistently receives the pressure data of the air accumulator 19 of 10 frames
When value < 1MPa, master control borad will send operation low level instruction automatically, allow and inflate pump work；Until 19 the blowing pressure of air accumulator
When value >=1MPa, inflator pump be will turn off.
Flexible limit point is also had with this simultaneous retractable oil cylinder, once reaching this limit point, passes through limit induction signal
Feedback, the directly movement of stopping telescopic oil cylinder, and signal lamp prompt is issued to reach extreme position；Such as run in not up to extreme position
When, directly manipulate master control borad telescopic boom cylinder stop button, it will balanced valve on interrupt operation signal to telescopic arm pipe oil cylinder
Solenoid valve；To realize expanding-contracting action, the stopping movement of telescopic oil cylinder.
When carry out draining draw water operation when, essence be exactly Water-pumping motor work, press master control borad Water-pumping motor transport
Row button after master control borad receives command instruction, will directly transmit inflation solenoid valve 18 from low level to sealing device and inflator pump
Enabling signal inflates the pressure sensor signal of solenoid valve 18, system pressure value is constantly fed back to master control in gas replenishment process
On plate, when master control borad continuity receives digital pressure values >=0.9MPa of 10 frames, master control borad will be automatically stopped transmission signal
To inflation solenoid valve, inflation solenoid valve 18 is closed.
System equally also also issues movement command signal to the balanced solenoid valve of suction pump at this time, and Water-pumping motor works, into
Capable operation of drawing water；At present guarantee drainage procedure in, sealing element 1 shift to an earlier date pressure maintaining sealing, prevent each sealing element mechanism not because of pressure not
Foot leads to sealing not enough, leak occurs and fierce play phenomenon occurs.As long as after the pump stop button of drawing water for operating master control borad,
The operation low level signal can be interrupted；Equally also reception comes to the pressure value signal of air accumulator system before, and feeds back to
On master control borad PLC, when persistently receiving pressure data signal >=1MPa of 10 frame air accumulators, master control borad will interrupt transmission fortune automatically
Row instruction, allows inflator pump to stop working.
When Water-pumping motor is continued working, solenoid valve 18 is inflated at this time and is reached via previous confidential paper device pressure value
It stops working after to 0.9MPa, but the pressure sensor for inflating solenoid valve 18 still constantly issues voltage analog signal, is sent to master
Control plate on, once detect pressure value continuously less than 10 frame data values be≤0.8MPa, inflator pump and inflation solenoid valve 18 will open
Open, the pressure value in lift-off seal device, until confidential paper device pressure value be >=0.9MPa after, by stop inflate solenoid valve 18
Work.
The same reception of controller 23 comes to the pressure value signal of air accumulator 19, and feeds back on master control borad plc, continues
When receiving the pressure data signal < 1MPa of 10 frame air accumulators 19, master control borad will send operation low level instruction automatically, allow and fill
Air pump work；Until inflator pump is automatically closed when 19 the blowing pressure value of air accumulator >=1MPa；Guarantee 19 moment of air accumulator storage foot
The gas of pressure is measured, so as to subsequent operation operation, plays pressure maintaining effect.
Using control system and the control method of this inflatable seal device, it can be achieved that sealing element 1 firmly installs, safely
Reliability service, the service life is long, and maintenance cost is low, guarantees telescoping tube function smoothly；Shorten operation time；Greatly improve emergency
Rescue efficiency, lifting means stability.
Embodiment described above, only one kind of the utility model more preferably specific embodiment, the skill of this field
The usual variations and alternatives that art personnel carry out within the scope of technical solutions of the utility model should all be included in the guarantor of the utility model
It protects in range.
Claims (4)
1. a kind of control system of inflatable seal device, including sealing device, it is characterised in that: the control system includes
Two-way air pump assembly, controller and energy agency, the two-way air pump assembly include air exhaust pump and inflator pump, the air exhaust pump
It is connected with venting solenoid valve, the inflator pump is connected by check valve with inflation solenoid valve and air accumulator, the inflation solenoid valve
It is connected with solenoid electric valve, the solenoid electric valve is connected with the charge and discharge gas nozzle of sealing device.
2. a kind of control system of inflatable seal device according to claim 1, it is characterised in that: the controller with
Two-way air pump assembly and solenoid electric valve are connected, and can control solenoid valve and two-way air pump assembly work by issuing dependent instruction
Make.
3. a kind of control system of inflatable seal device according to claim 2, it is characterised in that: the check valve with
Safety valve is connected.
4. a kind of control system of inflatable seal device according to claim 1, it is characterised in that: the energy agency
For vehicle-mounted 24/12v lead-acid battery, and the energy is provided for controller and associated solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254106.0U CN209557670U (en) | 2018-12-29 | 2018-12-29 | A kind of control system of inflatable seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254106.0U CN209557670U (en) | 2018-12-29 | 2018-12-29 | A kind of control system of inflatable seal device |
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| Publication Number | Publication Date |
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| CN209557670U true CN209557670U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822254106.0U Active CN209557670U (en) | 2018-12-29 | 2018-12-29 | A kind of control system of inflatable seal device |
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| CN (1) | CN209557670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232495A (en) * | 2021-06-23 | 2021-08-10 | 十堰震科工业科技有限公司 | Combined type sealing device with automatic inflation and deflation functions |
-
2018
- 2018-12-29 CN CN201822254106.0U patent/CN209557670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232495A (en) * | 2021-06-23 | 2021-08-10 | 十堰震科工业科技有限公司 | Combined type sealing device with automatic inflation and deflation functions |
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