CN206943558U - A kind of split type pneumatic actuator for flotation Valve controlling - Google Patents
A kind of split type pneumatic actuator for flotation Valve controlling Download PDFInfo
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- CN206943558U CN206943558U CN201720697162.4U CN201720697162U CN206943558U CN 206943558 U CN206943558 U CN 206943558U CN 201720697162 U CN201720697162 U CN 201720697162U CN 206943558 U CN206943558 U CN 206943558U
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Abstract
The utility model patent provides a kind of split type pneumatic actuator for flotation Valve controlling, including filtering pressure reducing valve (1), intelligent positioner (2), 2/2-way valve (3), air ducts (4), gas with case (5), cylinder (6) and flange (7)；Cylinder (6) is fixed on flange (7), gas is fixed on cylinder (6) side with case (5), and filtering pressure reducing valve (1), intelligent positioner (2) and 2/2-way valve (3) are fixed on gas with being connected in case (5) and by air ducts (4)；Intelligent positioner (2) detects the position of the piston rod of cylinder (6) by built-in sensors, controls flotation valve.Maintenance usually is reduced, makes smaller executing agency's volume, more compact structure, production cost lower；Using split type scheme, realize that cylinder block, locator, source of the gas pipeline separate, be easy to later maintenance and parts replacement.
Description
Technical field
Pneumatic Control Technology field is the utility model is related to, it is specially a kind of for the split type pneumatic of flotation Valve controlling
Executing agency.
Background technology
Flotation technology as a kind of new and effective technique of preparing coloured and ferrous metal mineral, coal, it is nonmetallic and
The application in chemical industry sorting mineral field constantly extends.In floatation process, the height of mineral pulp level is sampled to concentrate in flotation cell
There is direct influence with indexs such as the rate of recovery, the control to liquid level is entered generally by the valve for being located at tailing tank or intermediate box
OK, operating personnel quickly realize control to liquid level by the regulation to valve, therefore select suitable valve actuator pair
It is extremely important for flotation.
Currently used flotation Valve controlling scheme has manually that control, Electronic control and pneumatic control etc. are several, simple
Manual control valve is now rarely found, and passes through prolonged practice test, and pneumatic actuator is because of easy to use, control
Flexibly, reliability is high, is adapted to frequent operation and can be easy to be applied to the features such as automatically controlling, and selects factory to obtain widely should each
With.
It is a kind of existing pneumatic actuator shown in Fig. 1, the position of piston rod is determined by sensor to control flotation
Valve.The bottom of its cylinder 6 is fixed with valve fixture, and intelligent positioner 2 is consolidated by support and plate respectively with filtering pressure reducing valve
The upper end of cylinder 6 is scheduled on, the valve applied such as two-bit triplet Pneumatic valve 21 and two-bit triplet magnetic valve 22 are connected by tracheae
Connect and be individually fixed on cylinder 6.The top of cylinder 6 sets handwheel 23, and handwheel 23 is connected by connector with cylinder piston rod, leads to
The extension elongation of cylinder piston rod can be controlled by crossing rotation hand wheel 23.Slide plate 24 is provided with the piston rod of the upper end of cylinder 6, with
The swing arm 25 that slide plate 24 is flexibly connected is together with the axis connection of intelligent positioner 2, using this mechanical structure by piston rod
Position feeds back to the sensor of intelligent positioner 2, and then controls flotation valve.Air inlet pneumatic supply connects filtering pressure reducing valve first,
Input bleed pressure is adjusted by filtering pressure reducing valve.
Following defect at least be present in this pneumatic actuator：
1st, the piston rod of cylinder 6 realizes that position is anti-by swing arm and the axis connection of intelligent positioner 2 using mechanical structure formula
Feedback, if because external force causes swing arm or bending shaft, easily cause position inaccurate or even can not act.
2nd, outside, this there is following hidden danger for intelligent positioner 2 and a whole set of source of the gas pipeline：Installing or transporting rank
Section, easily because the external force factors such as collision cause locator or source of the gas conduit failure；In service stage, because of flotation site pervasive environments
Compare badly, a large amount of dust, steam, or even corrosive gas etc. be present, easily corrode and arrive locator or channel interior, cause member
The damage of part, greatly reduce the service life of equipment.
3rd, using hand wheel type structure, cause pneumatic actuator overall volume bigger than normal, not readily transportable or installation.In addition,
Service stage must often add lubrication oil processing to handwheel screw, otherwise easy bite, be not easy to safeguard.
4th, the element such as intelligent positioner, source of the gas pipeline is fully integrated on cylinder, and it is very inconvenient to change spare part.
The content of the invention
The technical problems to be solved in the utility model and the technical assignment proposed are to make up the deficiencies in the prior art, there is provided one
Split type pneumatic actuator of the kind for flotation Valve controlling, solves hidden danger existing for mechanical mechanism formula position feedback device；
Using enclosed construction, solve the problems, such as locator and gas source pipe road is chronically exposed to outer, increase the protection of pneumatic actuator
Grade；Using without handwheel, maintenance usually is reduced, makes smaller executing agency's volume, more compact structure, production cost more
It is low；Using split type scheme, realize that cylinder block, locator, source of the gas pipeline separate, be easy to later maintenance and spare part more
Change.
The purpose of this utility model is achieved through the following technical solutions：
A kind of split type pneumatic actuator for flotation Valve controlling, including filtering pressure reducing valve 1, intelligent positioner 2,
2/2-way valve 3, air ducts 4, gas are with case 5, cylinder 6 and flange 7；
Cylinder 6 is fixed on flange 7, and gas is fixed on the side of cylinder 6, filtering pressure reducing valve 1, intelligent positioner 2 and two with case 5
Position two-way valve 3, which is fixed on gas, matches somebody with somebody in case 5 and is connected by air ducts 4；
Intelligent positioner 2 detects the position of the piston rod of cylinder 6 by the sensor built in cylinder 6, controls flotation valve.
Described gas is provided with water joint 9, gas source connector 10 and discharge outlet 11 with the tank wall of case 5；
From gas with the outer end of gas source connector 10 is connected outside case 5, gas source connector 10 is inner to be connected external air source by airway tube 4
The air inlet of pressure-reducing valve 1 is filtered, the gas outlet of filtering pressure reducing valve 1 connects the air inlet of intelligent positioner 2 by airway tube 4, intelligence
First gas outlet OUT1 of locator 2 is connected to the rodless cavity of cylinder 6 by airway tube 4 all the way after the first threeway 17, another
Road is connected to the first import 3A of 2/2-way valve 3 by airway tube 4, and the second gas outlet OUT2 of intelligent positioner 2 passes through second
It is connected to the rod chamber of cylinder 6 after threeway 18 by airway tube 4 all the way, another way is connected to the of 2/2-way valve by airway tube 4
Two import 3B；
The delivery port connection discharge outlet 11 of filtering in described filtering pressure reducing valve 1；Discharge outlet 11 located at gas with the bottom of case 5 and
Positioned at the lower section of filtering pressure reducing valve 1；
The Electric Wires ＆ Cables of described intelligent positioner 2 outside water joint 9 by connecting output.
Sensor built in described cylinder 6 uses BTL7 micropulses line wiping sensor-rod-type.
One kind that the utility model embodiment provides it can be seen from above-mentioned technical scheme provided by the utility model is used for
The split type pneumatic actuator of flotation Valve controlling, solves hidden danger existing for mechanical mechanism formula position feedback device；Using envelope
Closed type structure, solves the problems, such as locator and gas source pipe road is chronically exposed to outer, increases the degree of protection of pneumatic actuator；Adopt
With without handwheel, maintenance usually is reduced, makes smaller executing agency's volume, more compact structure, production cost lower；Using
Split type scheme, realize that cylinder block, locator, source of the gas pipeline separate, be easy to later maintenance and parts replacement.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, on the premise of not paying creative work, can also be according to these accompanying drawings for one of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the split type pneumatic actuator for flotation Valve controlling of prior art；
Fig. 2 is the structure for the split type pneumatic actuator for flotation Valve controlling that the utility model embodiment provides
Schematic diagram one；
Fig. 3 is the structure for the split type pneumatic actuator for flotation Valve controlling that the utility model embodiment provides
Schematic diagram two；
Fig. 4 is the structure for the split type pneumatic actuator for flotation Valve controlling that the utility model embodiment provides
Schematic diagram three；
Fig. 5 is the gas circuit for the split type pneumatic actuator for flotation Valve controlling that the utility model embodiment provides
Schematic diagram.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.Based on embodiment of the present utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment is described in further detail below in conjunction with accompanying drawing.
As shown in Fig. 2 to Fig. 4, a kind of split type pneumatic actuator for flotation Valve controlling, including filtering decompression
Valve 1, intelligent positioner 2,2/2-way valve 3, air ducts 4, gas are with case 5, cylinder 6 and flange 7；
Cylinder 6 is fixed on flange 7, and flange 7 is fixed on the corresponding control position of flotation valve.Gas is fixed on case 5
The side of cylinder 6, specific gas are fixed on the side of cylinder 6 with case 5 by nut 8.Filtering pressure reducing valve 1, intelligent positioner 2 and two
Two-way valve 3, which is fixed on gas, matches somebody with somebody in case 5 and is connected by air ducts 4.Go out be exactly in addition to cylinder 6 all valves and component it is equal
Located at gas with case 5.Intelligent positioner 2 detects the piston rod position of cylinder 6 by the sensor built in cylinder 6, controls flotation
Valve.
The built-in sensor is using micropulse line wiping sensor.The waveguide of sensor is inserted into piston rod
Portion, magnet ring are fixed on the piston rod, and when the piston rod of cylinder 6 moves up and down, magnet ring moves therewith, is examined by magnetic induction principle
The actual displacement of piston rod is measured, and is converted into electric signal and sends intelligent positioner 2 to.Sensor is entirely sealed in by the program
Inside cylinder 6, only realized by an electric interfaces on the top of cylinder 6 and transmitted with the signal of intelligent positioner 2.Sensor type
Number：Baruch husband, BTL7 micropulses line wiping sensor-rod-type.
In this example, gas described in reference diagram 5 is provided with water joint 9, gas source connector 10 and discharge outlet 11 with the tank wall of case 5；
For external air source from gas with the outer end of gas source connector 10 is connected outside case 5, gas source connector 10 is inner to connect filtering pressure reducing valve by airway tube 4
1 air inlet, the gas outlet of filtering pressure reducing valve 1 connect the air inlet of intelligent positioner 2, that is, intelligent positioning by airway tube 4
Device air inlet IN, the first gas outlet OUT1 of intelligent positioner 2 are connected to cylinder by airway tube 4 all the way after the first threeway 17
6 rodless cavity, that is, B chambers in Fig. 5, another way are connected to the first import 3A of 2/2-way valve 3 by airway tube 4, and intelligence is fixed
Second gas outlet OUT2 of position device 2 is connected to the rod chamber of cylinder 6 by airway tube 4 all the way after the second threeway 18, that is,
A chambers in Fig. 5, another way are connected to the second import 3B of 2/2-way valve by airway tube 4；Filtered in described filtering pressure reducing valve 1
Delivery port connection discharge outlet 11；Discharge outlet 11 matches somebody with somebody the bottom of case 5 located at gas, and positioned at the lower section of filtering pressure reducing valve 1, filtering pressure reducing valve
The water of filtering is discharged by discharge outlet 11 in 1；The Electric Wires ＆ Cables of described intelligent positioner 2 connect output outside by water joint 9,
Connect external control devices.
Operation principle：When electricity ventilation is working properly on filtering pressure reducing valve 1, intelligent positioner 2,2/2-way valve 3 and cylinder 6
When, 4-20mA signals are given by peripheral control unit, control intelligent positioner 2 to drive by the Electric Wires ＆ Cables connected at water joint 9
Dynamic executing agency's action, while pass through the actual displacement amount of the sensor feedback executing agency built in cylinder 6, it is ensured that valve moves
Make normal.When executing agency's normal work, the P mouths and B mouths of 2/2-way valve 3 are in closed state, and the upper and lower cavity of cylinder 6 is not
Conducting, it is ensured that cylinder 6 acts normally.Work as system cut-off, and without the situation of external air source input, the dead electricity of 2/2-way valve 3, P mouths
Turned on B mouths, make the upper and lower cavity of cylinder 6 in the conduction state, the air pressure between two chambers reaches balance, can now use hand push
Draw cylinder valve rod.The purpose for the arrangement is that in order to reduce equipment in installation and debugging or the operation difficulty in maintenance stage.
The utility model, dynamic executing agency use split-type structural, and gas separates with case 5 and the cylinder body of cylinder 6, user Ke Gen
Mounting means, while the replacing for spare part of being more convenient for are selected according to on-site actual situations.The piston rod of cylinder 6 is without situation of the gas without electricity
Under, piston rod can be stretched manually, reduce the installation and debugging difficulty of equipment at the scene.
The pneumatic actuator overall volume is smaller, degree of protection is higher, installation is simple and easy, suitable for a variety of environment
Use scene.
The advantages of the utility model：
1st, pneumatic actuator of the invention employs built-in sensor, straight without mechanical mechanism, position feed back signal
The interface connected on cylinder is connected to intelligent positioner, and which can preferably protect feedback device not by external force or severe
The damage of environment, can steady operation.
2nd, the component such as intelligent positioner, filtering pressure reducing valve, tracheae centralized configuration improves security protection etc. in gas with case
Level, component corrosion or damage caused by under adverse circumstances are avoided, improves service life of equipment, while also allow for spare part more
Change.
3rd, designed using split-type structural, gas may be mounted on cylinder with case, pacify after can also pulling down in other positions
Dress, adapts to different field demands.
4th, cylinder piston rod without gas without in the case of electricity can manual telescopic, be easily installed debugging.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by the protection domain of claims.
Claims (3)
- A kind of 1. split type pneumatic actuator for flotation Valve controlling, it is characterised in that：Including filtering pressure reducing valve (1), Intelligent positioner (2), 2/2-way valve (3), air ducts (4), gas are with case (5), cylinder (6) and flange (7)；Cylinder (6) is fixed on flange (7), and gas is fixed on cylinder (6) side, filtering pressure reducing valve (1), intelligent positioning with case (5) Device (2) and 2/2-way valve (3) are fixed on gas with being connected in case (5) and by air ducts (4)；Intelligent positioner (2) detects the position of the piston rod of cylinder (6) by the sensor built in cylinder (6), controls flotation valve Door.
- 2. the split type pneumatic actuator according to claim 1 for flotation Valve controlling, it is characterised in that described Gas be provided with water joint (9), gas source connector (10) and discharge outlet with case (5) tank wall（11）；External air source connects gas source connector (10) outer end outside from gas with case (5), and gas source connector (10) is inner to be connected by airway tube (4) The air inlet of filtering pressure reducing valve (1) is connect, the gas outlet of filtering pressure reducing valve (1) connects intelligent positioner (2) by airway tube (4) Air inlet, the first gas outlet (OUT1) of intelligent positioner (2) are connected to by airway tube (4) all the way after the first threeway (17) The rodless cavity of cylinder (6), another way are connected to the first import (3A) of 2/2-way valve (3), intelligent positioner by airway tube (4) (2) the second gas outlet (OUT2) is connected to the rod chamber of cylinder (6) by airway tube (4) all the way after the second threeway (18), Another way is connected to the second import (3B) of 2/2-way valve by airway tube (4)；The delivery port connection discharge outlet (11) of filtering in described filtering pressure reducing valve (1)；Discharge outlet (11) is matched somebody with somebody under case (5) located at gas Portion, and below filtering pressure reducing valve (1)；The Electric Wires ＆ Cables of described intelligent positioner (2) outside water joint (9) by connecting output.
- 3. according to claim 1 or the described split type pneumatic actuator for flotation Valve controlling, it is characterised in that Sensor built in described cylinder (6) uses BTL7 micropulses line wiping sensor-rod-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697162.4U CN206943558U (en) | 2017-06-15 | 2017-06-15 | A kind of split type pneumatic actuator for flotation Valve controlling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697162.4U CN206943558U (en) | 2017-06-15 | 2017-06-15 | A kind of split type pneumatic actuator for flotation Valve controlling |
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| Publication Number | Publication Date |
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| CN206943558U true CN206943558U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720697162.4U Active CN206943558U (en) | 2017-06-15 | 2017-06-15 | A kind of split type pneumatic actuator for flotation Valve controlling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963749A (en) * | 2020-08-07 | 2020-11-20 | 宁波富仕达电力工程有限责任公司 | Novel box-type pneumatic actuating mechanism |
-
2017
- 2017-06-15 CN CN201720697162.4U patent/CN206943558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963749A (en) * | 2020-08-07 | 2020-11-20 | 宁波富仕达电力工程有限责任公司 | Novel box-type pneumatic actuating mechanism |
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