CN101059183A - Magnetic valve with open-close display device and its production method - Google Patents
Magnetic valve with open-close display device and its production method Download PDFInfo
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- CN101059183A CN101059183A CN 200610137068 CN200610137068A CN101059183A CN 101059183 A CN101059183 A CN 101059183A CN 200610137068 CN200610137068 CN 200610137068 CN 200610137068 A CN200610137068 A CN 200610137068A CN 101059183 A CN101059183 A CN 101059183A
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Abstract
A magnetic valve with opening and closing degree display device and its manufacturing method. The external force acts at the hand wheel to provide power for the rotation of external rotor. The rotation of external rotor provides power for the rotation of in rotor. The external rotor and the in rotor are acts each other through magnetic coupling force. The rotation of inner rotor makes the inner operation state of the magnetic valve with opening and closing degree display device obvious. The rotation of magnetic pulse inductive magnet provides the signal source for magnetic pulse inductive probe collecting magnet inductive signals; the external gear rotor is engaged with the display disc through gears and racks; the rotation of external rotor provides power for the display disc rotating and the pointer indexing valve plate ( valve flap) opening and closing degree. The realization of the opening and closing degree displaying function of the magnetic valve with opening and closing degree display device is determined by the rotation of inner rotor. The displaying effect is determined by the display of magnetic pulse induction, the display of display disc pointer and the display of lifter rod lifting.
Description
Affiliated technical field
The invention discloses a kind of magnetic drives valve and manufacture method, particularly a kind of with the Magnetic valves and the manufacture method that open and close degree display device.
Background technique
At present, known magnetic drives valve mainly contains magnetic drives gate valve, stop valve, ball valve, butterfly valve, sampling cock etc.The main application fields of magnetic drives valve exists: to the open and close of valve and be sealed with strict demand, there are fields such as oil that high temperature, high pressure, inflammable, explosive, hypertoxic medium and high vacuum require, chemical industry, pharmacy, nuclear energy application in application.
At present, known Magnetic valves patent and correlation technique, as the patent No. is " the magnetic transmission full-sealing valve " of (94201537.1), the patent No. is (96201380.3) " Magnetic Cooperate Globe Valves ", the patent No. is the disclosed Magnetic valves such as " no filler permanent magnetism drive valves " of (03269314.1) " safety type magnetic drives valve " and the publication of " valve " magazine first phase in 1997, all have common deficiency: do not have the display unit of Magnetic valves open and close degree, this can cause following adverse consequences:
1, Magnetic valves open, close the transmission media of moment be cannot see, can not touch, non-rigidity, the magnetic coupling force that is flexible coupling, add Magnetic valves not radially the pressurization filler and the frictional force between the valve rod, this just make Magnetic valves open, feel is very light when closing, so, the operator can't judge and control the switch degree of Magnetic valves as the open and close conventional valves with feel, sense of rotation and the rotation number of turns.
2, the valve rod of Magnetic valves is sealed in the seal isolation cover and cannot see, if only with rotating handwheel, the operator is difficult to judge the present unlatching of Magnetic valves or closes situation and degree.
3, the torque ratio of magnetic drives transmission is more limited.When rotating handwheel or transmission device, when if external force surpasses moment that the magnetic transmission can transmit and torque limit, after particularly Magnetic valves inside went wrong, it handwheel or transmission device can occur skidded or removes motionless phenomenon, and this just can't realize open and close operation of Magnetic valves.If disregard cost, the driving force of magnetic driver is enough big apart from accomplishing, the volume of Magnetic valves will be very big, and this does not have practical significance in real world applications.
4, magnetic material is subjected to extraneous influence as high temperature, highfield, electromagnetic field easily, can cause the decreased performance or the inefficacy of magnetic material.The transmission of Magnetic valves inside is sealed in the seal isolation cover with magnetic material and cannot see, and the operator is difficult to judge magnetic property decline or lost efficacy to the switching situation of Magnetic valves and the influence of degree.
5, can't realize that Magnetic valves opens and closes the metering and the demonstration of situation and degree, inconvenience realizes the open and close of Magnetic valves and the remote detection and the control of opening degree.
When 6, the magnetic force stop valve moved under high pressure conditions, the inlet/outlet pressure difference was very big, the master of transmission when causing the magnetic coupling transmission easily, by the phase angle differences of transmission object, influence operation.
7, the tenon type valve plate of magnetic force gate valve, the meeting moment appearance that is in operation is stuck because of the tenon type valve plate that reasons such as foreign material are arranged in temperature, the medium cause.The operator can't judge the open and close and the operation failure of Magnetic valves as the open and close conventional valves with feel like this.
Summary of the invention
For overcoming the deficiency that existing Magnetic valves exists, the present invention discloses a kind of with the Magnetic valves and the manufacture method that open and close degree display device, it can not only solve the external leakage problem of valve, and can show the open and close state of Magnetic valves and the degree of switching intuitively, thereby guarantee the safe handling of Magnetic valves.
Solving the problems of the technologies described above the concrete technological scheme that is adopted is: on the valve body of being with the Magnetic valves that opens and closes degree display device, with the flange clamping bolt one isolation flange is installed.Between isolation flange and valve body sealing gasket is arranged.On isolation flange, a separation sleeve and a supporting disk are installed.Separation sleeve will be separated into inside and outside two parts with the Magnetic valves that opens and closes degree display device.
In the outside of separation sleeve, external rotor, mounting disc, external gear rotor, lifting bar chute dish are installed.On A, B, C three places and the friction top of separation sleeve outside, stationary gland, setscrew nut, hold-down bolt, process screw thread respectively, and interconnect by screw thread and separation sleeve.External rotor compresses the location with friction top by C place screw thread, shows that mounting disc compresses the location with stationary gland by B place screw thread, and external gear rotor compresses the location with setscrew nut by A place screw thread.Lifting bar chute dish is installed on the separation sleeve with hold-down bolt.On lifting bar chute dish, lifting bar is installed.
In the inside of separation sleeve, with fixing bolt one supporting disk is installed on isolation flange, internal rotor is installed on the supporting disk.Location axle sleeve, axle sleeve are set on the internal rotor, to rotation of inner rotor, with position indirect connection of separation sleeve.
The valve rod lifting nut firmly is housed on internal rotor.T type lifting screw thread is arranged on valve rod lifting nut and the valve rod, and interconnect by T type lifting screw thread.
Internal rotor magnet pack big envelope is the internal rotor magnet, the internal rotor magnetism resistent ring, and the internal rotor heat insulation loop firmly is encapsulated on the internal rotor; Show that the inner magnet envelope will show inner magnet, shows the inner magnet magnetism resistent ring, show that the inner magnet heat insulation loop firmly is encapsulated on the internal rotor; Magnetic pulse sensor magnet envelope firmly is encapsulated in magnetic pulse sensor magnet, magnetic pulse sensor magnet magnetism resistent ring, magnetic pulse sensor magnet heat insulation loop on the internal rotor; Lifting inner magnet envelope firmly is encapsulated in the lifting inner magnet on the valve rod.
External rotor magnet pack big envelope is the external rotor magnet, the external rotor magnetism resistent ring, and the external rotor heat insulation loop firmly is encapsulated on the external rotor; Show that the outer magnet envelope will show outer magnet, shows the outer magnet magnetism resistent ring, show that the outer magnet heat insulation loop firmly is encapsulated on the external gear rotor; Lifting outer magnet envelope firmly is encapsulated in lifting outer magnet, lifting outer magnet magnetism resistent ring, lifting outer magnet heat insulation loop on the lifting bar.
On external rotor and the internal rotor, on internal rotor and the external gear rotor, be separately installed with permanent-magnet material on valve rod and the lifting bar, their magnetic properties are identical, number of magnets is identical with the number of magnetic poles correspondence, interact by magnetic coupling force each other.
Handwheel is arranged on the external rotor.External force acts on that the rotation for external rotor provides power on the handwheel.External rotor and internal rotor interact by magnetic coupling force, and the rotation of external rotor provides power for rotation of inner rotor.Rotation of inner rotor provides power for the rotation of valve rod lifting nut, the rotation that shows inner magnet, the rotation of external gear rotor, the rotation of magnetic pulse sensor magnet.The rotation of valve rod lifting nut provides power for the lifting of valve rod and interior lifting magnet.Rotation of inner rotor is also rotated the magnetic pulse sensor magnet thereupon.The rotation of magnetic pulse sensor magnet changes the magnetic polarity of responding on the electromagnetic induction coil on the magnetic pulse inductive probe.The rotation of magnetic pulse sensor magnet is gathered the magnetic induction signal for the magnetic pulse inductive probe signal source is provided.External gear rotor and display panel are meshing with each other by gear, tooth bar.The rotation of external gear rotor is that display panel rotates and the degree of the open-and-shut demonstration valve plate of pointer (lobe) switch provides power.
In mounting disc, the magnetic pulse inductive probe is installed, the pointer bar is installed with the pointer clamping bolt with magnetic pulse inductive probe fixing bolt.Pointer shaft, pointer, display panel are installed on the pointer bar.
Accompanying drawing 1 is a structural representation of the present invention
Accompanying drawing 2 is that valve rod lifting nut of the present invention and internal rotor synthesize one and the structural representation that installs concentrating flux sleeve additional
Accompanying drawing 3 is mounting structure generalized sections that the present invention installs anti-rotor and permanent-magnet
Accompanying drawing 4 is the present invention processes fixed groove when using on the valve rod on stop valve structure and generalized sections
Accompanying drawing 5 is main plan structure schematic representation that lifting bar of the present invention is installed in lifting chute dish
Accompanying drawing 7 is magnetic pulse sensor magnet of the present invention wave mode schematic representation of signal after the induced magnetism pulse on the magnetic pulse inductive probe when clockwise rotating
Accompanying drawing 8 is magnetic pulse sensor magnet of the present invention wave mode schematic representation of signal after the induced magnetism pulse on the magnetic pulse inductive probe when rotating counterclockwise
Accompanying drawing 9 is structural representations that the present invention uses the lifting bar Presentation Function separately
Accompanying drawing 10 is structural representations that the present invention uses magnetic pulse induction Presentation Function separately
Accompanying drawing 11 is structural representations that the present invention uses the display panel Presentation Function separately
In the accompanying drawing:
1, valve plate 2, valve rod lifting nut 3, isolation flange 4, supporting disk 5, external rotor seals 6, internal rotor magnet 7, magnetism resistent ring 8, heat insulation loop 9, axle sleeve 10, handwheel 11, friction top 12, magnetic pulse sensor magnet envelope 13, clamping bolt 14, hand rest 15, pointer bar 16, pointer shaft 17, pointer 18, display panel 19, location axle sleeve 20, internal rotor 21, valve rod 22, separation sleeve 23, hold-down bolt 24, lifting chute dish 25, lifting bar 26, lifting inner magnet 27, lifting inner magnet envelope 28, lifting outer magnet 29, lifting outer magnet envelope 30, setscrew nut 31, external gear rotor 32, show inner magnet envelope 33, show inner magnet 34, show outer magnet envelope 35, show outer magnet 36, stationary gland 37, magnetic pulse inductive probe fixing bolt 38, mounting disc 39, magnetic pulse inductive probe 40, magnetic pulse transfer line 41, magnetic pulse sensor magnet 42, external rotor 43, external rotor heat insulation loop 44, external rotor magnetism resistent ring 45, external rotor magnet 46, internal rotor magnet pack big envelope 47, flange clamping bolt 48, pad 49, sealing gasket 50, supporting disk fixing bolt 51, valve body 52, magnetic pulse sensor magnet magnetism resistent ring 53, magnetic pulse sensor magnet heat insulation loop 54, show inner magnet magnetism resistent ring 55, show inner magnet heat insulation loop 56, lifting inner magnet magnetism resistent ring 57, lifting inner magnet heat insulation loop 58, concentrating flux sleeve 59, anti-rotor 60, flap 61, no magnetic cushion block 62, show outer magnet magnetism resistent ring 63, show outer magnet heat insulation loop 64, lifting outer magnet magnetism resistent ring 65, lifting outer magnet heat insulation loop
Below in conjunction with accompanying drawing concrete technological scheme of the present invention, manufacture method and processing technology are further illustrated:
1, the material of isolation flange (3) manufactured materials should be identical with the material of valve body (51), as carbon steel, and materials such as cast steel.When specific (special) requirements such as withstand voltage, corrosion-resistant, the manufacturing material of isolation flange (3), valve body (51) can adopt made such as titanium alloy, plastics, stainless steel.The manufacturing consistency of thickness of the adpting flange on the manufacturing thickness of isolation flange (3) and the valve body (51).On isolation flange (3), process the locating slot that is connected usefulness with separation sleeve (22).
Being connected of isolation flange (3) and separation sleeve (22) with gas protection weldering welding.The outside of separation sleeve during welding (22) is by the inboard location of the locating slot on the isolation flange (3), and maintenance isolation flange (3) is vertical with separation sleeve (22), promptly isolation flange (3) and separation sleeve (22) are had concentricity requirement, Concentricity tolerance is below 10MM during manufacturing.Elder generation is after spot welding locates during welding, then welding fabrication.Separation sleeve (22) and isolation flange (3) are made respectively.The permission if create conditions, what also can be integrally combined carries out whole machine shaping.The magnetic conduction part of separation sleeve (22), the maximum ga(u)ge of material is below 50MM, and Concentricity tolerance is below 10MM.
2, the manufacturing material of separation sleeve (22), internal rotor magnet pack big envelope (46), external rotor magnet pack big envelope (5), demonstration outer magnet envelope (41), demonstration inner magnet envelope (32), lifting inner magnet envelope (27), lifting outer magnet envelope (29), magnetic pulse sensor magnet envelope (12) is necessary for no magnetic or non-ferromagnetic material, and the one-tenth-value thickness 1/10 of material is below 50MM.Selection commonly used also can be selected titanium alloy, aluminium, copper, plastics etc. for low magnetic stainless steel such as 1Cr18Ni9Ti.
Concrete manufacturing process flow is:
Metallic material: selection → blank forges or rough-cast → check → rough turn → pincers worker line, perforating, tapping → check.
Section bar → check → rough turn → check → finish turning → check →
Do manufactured materials as aluminium or copper, available precision casting moulding.
Nonmetallic material: as select for use plastics to do manufactured materials, available injection machine single injection-molded.
3, the manufacturing of internal rotor (20) will be selected different manufacturing materials for use according to the different medium that flows through in the valve body (51), as Cast Steel, plain steel.To corrosion-resistant requirement is arranged, can select stainless steel for use, titanium alloy, plastic or other material.Generally, select the material manufacturing identical for use with valve rod (21).
When internal rotor (20) with low magnetic or do not have the stainless steel of magnetic, when plastics are made, for guaranteeing the magnetic pole path of internal rotor magnet (6) mounted thereto, magnetic pulse sensor magnet (41), demonstration inner magnet (33), concentrating flux sleeve (58) must be installed additional, shown in (accompanying drawing 2) on internal rotor (20).Concentrating flux sleeve (58) is below the 50MM with pure iron or low carbon steel manufacturing, one-tenth-value thickness 1/10.Usually the thickness of concentrating flux sleeve (58) is identical with the thickness of magnet material of installation on it.In the present invention, when other position that magnet is installed is hanged down magnetic as usefulness or do not had the stainless steel of magnetic, plastics manufacturing,, all should install concentrating flux sleeve (58) additional for guaranteeing the magnetic pole path of magnet, the thickness of concentrating flux sleeve (58) is identical with the thickness of the magnet material installed on it, and installation form is shown in (accompanying drawing 2).
Go up internal rotor magnet (6), magnetic pulse sensor magnet (41), the demonstration inner magnet (33) installed and on internal rotor (20) or concentrating flux sleeve (58), trackslip for preventing internal rotor (20), when making internal rotor (20), should on internal rotor (20) or concentrating flux sleeve (58), open a galleyproof type stria, install anti-rotor (59) additional, as (accompanying drawing 3), anti-rotor (59) must be selected carbon-free or low carbon materials for use, as stainless steel, titanium alloy, copper, aluminum alloy, its thickness should be below 50MM.Other is equipped with the position of magnet, also can install anti-rotor (59) as required additional, and its thickness should be below 50MM, and installation form is shown in (accompanying drawing 3).
The Placement of internal rotor (20) and internal rotor magnet pack big envelope (46), demonstration inner magnet envelope (32), magnetic pulse sensor magnet envelope (12), metallic material is made, weld with argon arc welding, nonmetallic material are made, with thermal weld or bonding, by this technological means internal rotor magnet (6), demonstration inner magnet (33), magnetic pulse sensor magnet (41) are sealed on the internal rotor (20), prevent that their contact special medias are oxidized or be corroded appearance demagnetization or magnetic property inefficacy.Various envelopes also should be installed in this way for guaranteeing the magnetic property of magnet in other position that magnet is installed.
For preventing the magnetic property of the temperatures involved internal rotor magnet (6) of generation when internal rotor (20) welds with internal rotor magnet pack big envelope (46), heat insulation loop (8) should be installed.For shielding, the outside leakage field of blocking-up internal rotor magnet (6), magnetism resistent ring (7) should be installed.The manufacturing one-tenth-value thickness 1/10 of heat insulation loop (8) and magnetism resistent ring (7) is below the 50MM, selects stainless steel, titanium alloy, copper, aluminum alloy material manufacturing usually for use.Various heat insulation loop and magnetism resistent ring also should be installed in this way for guaranteeing the magnetic property of magnet in other position that magnet is installed.Installation form is shown in (accompanying drawing 3).
4, internal rotor (20) and valve rod lifting nut (2) be when manufacturing one, and as (accompanying drawing 1), the screw thread latus rectum and the pitch of processing respectively on valve rod lifting nut (2) and the valve rod (21) are identical, and helical all is a T type left-hand thread screw thread.Valve rod lifting nut (2) can manufacture one with internal rotor (20) as required, shown in (accompanying drawing 2).When manufacturing one, internal rotor (20) is identical with screw thread latus rectum and pitch that valve rod (21) is gone up processing, and helical all is a T type left-hand thread screw thread.Generally speaking, the latus rectum of screw thread is different and different according to the bore of valve with pitch.
5, carrying out internal rotor magnet pack big envelope (46), show inner magnet envelope (32), when magnetic pulse sensor magnet envelope (12) welds with internal rotor (20), should note internal rotor magnet (6), show inner magnet (33), the cooling of magnetic pulse sensor magnet (41), the high temperature that produces when preventing to weld makes the magnet demagnetization, internal rotor magnet with the metal material manufacturing is sealed (46), show inner magnet envelope (32), magnetic pulse sensor magnet envelope (12) will adopt the immersion cooling when welding, single-sided welding, take out oven dry, immersion cooling again, the technological process of another side welding.The temperature of drying room is below 350 ℃ in the drying course, and drying time should be decided according to the moisture situation that retains after the immersion, generally below 48 hours.Various envelopes also should be welded in this way for guaranteeing the magnetic property of magnet in other position that magnet is installed.
6, internally the magnet block of rotor magnet (6), lifting inner magnet (26), lifting outer magnet (28), demonstration inner magnet (33), demonstration outer magnet (35), magnetic pulse sensor magnet (41), external rotor magnet (45) should be selected the permanent-magnet material manufacturing for use, and its surface carried out not damaged and anti-oxidation preservative treatment, usually its surface is carried out zinc-plated, titanizing, chromium plating, mopping, wrapped up in and processing method such as mould.
Higher and for medium temperature to the more sensitive occasion of temperature requirement, if any occasions such as superheated vapors, should select for use the higher high temperature permanent magnetic material of heatproof coefficient to do the transmission magnet material.
Magnet is processed into the arc type tile sheet generally speaking, and magnetizing direction is a radial magnetizing, and generally below 80MM, arc angle α is not more than 180 ° to tile thickness.The number of pole-pairs of magnet is an even number, and under magnetic material performance same case, the size of the required magnetic coupling force of magnetic transmission depends on the thickness of magnet and the number of plies that axial magnet is arranged, and the magnetic force of the big more transmission of the number of plies, thickness is apart from just big more.
The number of pole-pairs of internal rotor magnet (6) and external rotor magnet (45), the number of plies that shows inner magnet (33) and thickness that shows magnet block quantity with lifting outer magnet (28) of outer magnet (35), lifting inner magnet (26), permanent-magnet material and axial magnet arrangement, magnet is corresponding identical.Their concrete mounting points are similar to (accompanying drawing 3) with form, and except that identical one group of correspondence, their difference is not corresponding each identical group, and the number of plies that the thickness of magnet block quantity, permanent-magnet material and axial magnet are arranged, the number of poles of magnet have nothing in common with each other.
7, the manufactured materials of location axle sleeve (19) and axle sleeve (9) should be selected ptfe plastic for use, spheroidal graphite cast iron, copper material, signal bronze, stainless steel, nylon etc., they with the fit tolerance of each face for being slidingly matched.
When 8, the present invention used on stop valve, stop valve had only flap (60) to be installed on the valve rod (21), shown in (accompanying drawing 4) owing to there is not valve plate (1).The valve rod of stop valve (21) when internal rotor (20) rotates, owing to there is not obstacle to rotate, therefore needs to process fixed groove F on valve rod (21), shown in (accompanying drawing 4) F that upward the D-D section is indicated.On supporting disk (4), process boss E, shown in the E that is indicated on (accompanying drawing 4).Boss E can slide up and down in the fixed groove F on the valve rod (21), and fixed groove F planted agent is smooth, and the degree of depth is below 50MM, and width is below 40MM.Fixed groove F is adding man-hour, can not damage the T type screw thread on the valve rod (21), can select first turner processing left-hand thread T type screw thread for use, and the back mills out the processing technology of fluted body fixed groove F with milling machine.
9, all be processed with wheel tooth on external gear rotor (31) and display panel (18), they are meshing with each other by wheel tooth, backward rotation, and its intermeshing gear ratio is decided according to valve aperture and mounting point etc.Usually display panel (18) Magnetic valves that opens and closes degree display device from band is opened to and closes the displacement angle α that rotation is rotated, and should satisfy 360 °＞α＞10 °.
Keep flat or the placement of tilting rotating into before and after the display panel (18), can realize the observation of different direction, external gear rotor (31) will change with the last meshed gears profile of tooth of display panel (18) like this, become the tooth bar engagement as straight-tooth change helical teeth or gear engagement, at this moment, pointer bar (15) is also along with straight-bar becomes knee.
10, external gear rotor (31) is cogged when processing thereon the plane, display panel (18) is kept flat, external gear rotor (31) still is gear transmission with display panel (18), but backward rotation separately, pointer bar (15) straight-bar becomes knee.
11, the Manufacturing material of handwheel can be cylinder iron, cast steel, plastics, Ordinary Steel, stainless steel etc.As required, handwheel can be made as one and select different Manufacturing material for use with external rotor (42).As plastics handwheel steel external rotor, they can single injection-molded.
12, magnetic pulse sensor magnet of the present invention (41) is set is arranged as O, the N utmost point, the S utmost point, internal rotor (20) is when clockwise rotating, the magnetic pulse signal that the magnetic pulse inductive probe of setting (39) is gone up induction is O, the N utmost point, the S utmost point, internal rotor (20) is when rotating counterclockwise, the magnetic pulse signal that magnetic pulse inductive probe (39) is gone up induction is the S utmost point, the N utmost point, O, shown in (accompanying drawing 6).Magnetic pulse inductive probe (39) is gone up the wave mode of the magnetic pulse signal of responding to shown in (accompanying drawing 7, accompanying drawing 8).
13, lifting bar (25) is installed on lifting chute dish (24).Lifting bar (25) is located with lifting chute dish (24), and slides up and down in lifting chute dish (24).
The distinguishing feature that the present invention is different from existing product is: the inside that opens and closes the Magnetic valves of degree display device from band provides the active force that realizes Presentation Function, the outside open and close state that shows.The rotation of internal rotor (20) is depended in the realization of the open and close degree Presentation Function of the Magnetic valves of band switching degree display device.The effect that shows depends on that the magnetic pulse induction shows, the display panel pointer shows, lifter rod lifting shows.
Adopt the obtained effect of the present invention to be: when external force was rotated the external rotor (42) of the Magnetic valves of band switching degree display device, by the interaction of magnetic coupling force, internal rotor (20) rotated synchronously.The internal operation state that the rotation of internal rotor (20) makes band open and close the Magnetic valves of degree display device comes into plain view.And can satisfy the needs of numerous different departments.
Magnetic pulse induction, display panel pointer show, the lifting bar oscilaltion is moved and shown that these three kinds of Presentation Functions can use in the lump simultaneously, also can use respectively separately.No matter be to use simultaneously in the lump, when still using Presentation Function respectively separately, do not influence the switching manipulation of the Magnetic valves of being with the switching degree display device and the realization of open and close degree Presentation Function.
Claims (2)
1, a kind of with the Magnetic valves that opens and closes degree display device, it is characterized in that:
(1), open and close the demonstration of degree, depend on rotation of inner rotor, realize the demonstration of effect, depend on the collection of magnetic pulse induced signal, indication that display panel rotates backpointer, lifting bar moving up and down;
(2), rotation of inner rotor provides power for the lifting of rotation, valve rod and the lifting inner magnet of the rotation of internal rotor magnet, the rotation that shows inner magnet, magnetic pulse sensor magnet, the rotation of magnetic pulse sensor magnet is gathered the magnetic induction signal for the magnetic pulse inductive probe signal source is provided; The rotation of external gear rotor is that the rotation of display panel and the degree of pointer indication valve plate (lobe) switching provide power;
(3), external gear rotor and display panel be meshing with each other by gear, tooth bar, its total number of teeth in engagement beguine is according to valve aperture and mounting point and decide;
(4), magnetic pulse induction demonstration, display panel and pointer demonstration, lifting bar oscilaltion are moved three kinds of display formats of demonstration and can be used simultaneously in the lump, also can use respectively separately, use simultaneously in the lump no matter be, still use respectively separately, do not influence the switching manipulation of the Magnetic valves of being with the switching degree display device and the realization of open and close degree Presentation Function.
2, a kind of manufacture method with the Magnetic valves that opens and closes degree display device is characterized in that:
(1), isolation flange and being connected of separation sleeve be that Concentricity tolerance is below 10MM during welding with gas protection argon arc welding welding, separation sleeve and isolation flange can be made respectively, what also can be integrally combined carries out whole machine shaping;
(2), internal rotor and other magnet is installed the position with low magnetic or do not have the stainless steel of magnetic, when plastics are made, must install the concentrating flux sleeve made from pure iron or low carbon steel thereon additional, the thickness of concentrating flux sleeve is below 50MM, and usually thickness is identical with the thickness of magnet material of installation on it;
Internal rotor and other are equipped with the position of magnet, should open a galleyproof type stria thereon, install additional with anti-rotor carbon-free or that low carbon materials is made, and its thickness should be below 50MM;
Internal rotor and internal rotor magnet pack big envelope, show being connected of inner magnet envelope, magnetic pulse sensor magnet envelope, with gas protection argon arc welding welding, nonmetallic material are with thermal weld or bonding;
When valve rod lifting nut and internal rotor manufactured one, screw thread of processing was a T type left-hand thread screw thread on it;
(3), the magnetism resistent ring and the heat insulation loop of installing at the position that magnet is installed, make thickness below 50MM, select stainless steel, titanium alloy, copper, aluminum alloy material manufacturing for use;
(4), weld at the position that magnet is installed, the technological process of should adopt immersion cooling, single-sided welding, take out oven dry, immersion cooling again, another side being welded, the temperature of drying room is below 350 ℃, and drying time is below 48 hours;
(5), on the valve rod of stop valve, to process fixed groove F, on supporting disk, process boss E, boss E can slide up and down in the fixed groove F on valve rod, the degree of depth of fixed groove F is below 50MM, width is below 40MM, fixed groove F is adding man-hour, selects for use turner earlier behind the processing left-hand thread T type screw thread, mills out the processing technology of fluted body fixed groove F with milling machine;
(6), to be arranged as the magnetic pulse signal mode of responding on the magnetic pulse inductive probe when clockwise rotating be O, the N utmost point, the S utmost point for the setting of magnetic pulse sensor magnet, when rotating counterclockwise, is the S utmost point, the N utmost point, O.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610137068 CN101059183A (en) | 2006-10-16 | 2006-10-16 | Magnetic valve with open-close display device and its production method |
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| CN 200610137068 CN101059183A (en) | 2006-10-16 | 2006-10-16 | Magnetic valve with open-close display device and its production method |
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| CN102661429A (en) * | 2012-05-18 | 2012-09-12 | 江苏大学 | Opening control method of electric ball valve and control circuit |
| CN102661429B (en) * | 2012-05-18 | 2013-12-18 | 江苏大学 | Opening control method of electric ball valve and control circuit |
| CN104903638A (en) * | 2012-11-30 | 2015-09-09 | 石油阀门有限责任公司 | Continuous magnetic motion position indicator |
| US9671040B2 (en) | 2012-11-30 | 2017-06-06 | Petrolvalves S.R.L. | Continuous magnetic motion position indicator |
| CN104903638B (en) * | 2012-11-30 | 2018-03-27 | 澎巍股份有限责任公司 | Continuous magnetic movement position indicator |
| CN104847297A (en) * | 2015-04-30 | 2015-08-19 | 顾军锋 | Flashboard locking state display device of blowout preventer |
| CN105972234A (en) * | 2016-05-03 | 2016-09-28 | 浙江石化阀门有限公司 | Opening type spherical surface sluice valve and special processing technology thereof |
| CN105972234B (en) * | 2016-05-03 | 2018-05-04 | 浙江石化阀门有限公司 | Prop open type ball surface gate valve and its special processing process |
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