CN202118359U - Quick electronic controlled cutoff valve - Google Patents
Quick electronic controlled cutoff valve Download PDFInfo
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- CN202118359U CN202118359U CN2011202023264U CN201120202326U CN202118359U CN 202118359 U CN202118359 U CN 202118359U CN 2011202023264 U CN2011202023264 U CN 2011202023264U CN 201120202326 U CN201120202326 U CN 201120202326U CN 202118359 U CN202118359 U CN 202118359U
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Abstract
The utility model relates to a quick electronic controlled cutoff valve, which consists of a valve body, a valve plate, a valve shaft, a cantilever, a counterweight, a counterweight arm and an electromagnetic locking mechanism. An electric actuating mechanism and a mechanical transmission mechanism are arranged on the quick electronic controlled cutoff valve. The mechanical transmission mechanism comprises a mechanical transmission case, an electromagnetic clutch, a transmission shaft, a driving gear, a sector gear and a valve in-place off travel switch, wherein the center angle of the sector gear is not less than 120 degrees, the sector gear is fastened onto the valve shaft, the transmission shaft is mounted in the mechanical transmission case, the electric actuating mechanism and an electromagnet of the electromagnetic clutch are fastened onto the mechanical transmission case, a driving disc of the electromagnetic clutch is fastened onto the transmission shaft, a gap is reserved between the driving disc and the electromagnet, the driving gear is sleeved on the transmission shaft, limited by a positioning retainer ring axially and capable of rotating on the transmission shaft and sliding along the same, a driven disc of the electromagnetic clutch is fastened with the driving gear, and the valve in-place off travel switch is mounted at the bottom of the mechanical transmission case. The quick electronic controlled cutoff valve can be started automatically.
Description
Technical field
The utility model relates to a kind of electric-controlled type repid cut-off valve.
Background technique
Now coal gas is popularized, and gas pipe line occurs leaking, catches fire, coal gas low pressure, should close the electric-controlled type repid cut-off valve that is installed in gas pipe line immediately, the source of the gas of cut-out gas pipe line.Existing coal gas electric-controlled type repid cut-off valve; " electric-controlled type repid cut-off valve " like the patent No. 200620023486.1; The unlatching of cut-off valve needs artificial execute-in-place valve; Can not realize the needs of the automatic control system that ask for something is higher, still can not satisfy the requirement of gas pipe line fast shut-off.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing electric-controlled type repid cut-off valve, the utility model provides a kind of electric-controlled type repid cut-off valve that can open automatically.
This electric-controlled type cut-off valve is to set up electric actuator and mechanical transmission mechanism on the basis of the patent No. 200620023486.1 " electric-controlled type repid cut-off valve "; Drive the valve shaft of the installation pressing plate of repid cut-off valve with electric actuator, reach the effect of automatic unlatching.
This electric-controlled type repid cut-off valve comprises valve body, valve plate, valve shaft, cantilever, weight, weight arm and electromagnetic locking mechanism, and valve shaft is installed on the axle bed of valve body, and has one to bring out outside the valve body.Cantilever and valve shaft tighten together; Valve plate is hinged on the cantilever by hinged seat in the valve pocket of valve body; The lower end of weight arm and valve shaft stretch out the outer end of valve body and tighten together, and weight has a through hole, and weight is through the top of weight arm by through hole; And be limited in the top of weight arm by two position limit pins, under the weight of weight arm, fixing stop pin.Electromagnetic locking mechanism is installed in outside the valve body and the corresponding position of stop pin of weight arm by mounting plate; Electromagnetic locking mechanism has ring electromagnet, electromagnetic coil, torque spring, rotating shaft and U-shaped fork; Ring electromagnet is fastened on mounting plate, and electromagnetic coil is enclosed within on the ring electromagnet, and an end of rotating shaft is through in the ring electromagnet and fastening pressing plate; Pressing plate is laminated on ring electromagnet through backing plate, and torque spring is enclosed within the rotating shaft.One through hole is arranged on mounting plate, fastening axle sleeve in this through hole, rotating shaft is installed in the axle sleeve; End face at axle sleeve is being provided with curve bath, is the center of circle with the axis of rotating shaft, and the central angle of curve bath is 50 °-60 °; Tighten the set locating stud in rotating shaft, an end of locating stud reaches curve bath.The two ends of torque spring are connected with pressing plate with axle sleeve respectively, and the U-shaped fork is fastened on an end of rotating shaft, and the stop pin of weight arm is stuck in the prong of U-shaped fork.At mounting plate valve is installed and reaches a position limit switch, fixing descend plumbing bar in the lower end of U-shaped fork, under the state of 20 ° ± 5 ° of the inclinations of the relative vertical direction of weight arm, the following plumbing bar of U-shaped fork and valve reach stirring of a position limit switch and contact.
The characteristic of this electric-controlled type repid cut-off valve is that electric actuator and mechanical transmission mechanism also are being set.Mechanism driving mechanism comprises that mechanical gear, magnetic clutch, transmission shaft, driving gear, central angle are not less than 120 ° tooth sector and valve and close the position limit switch that puts in place.Tooth sector is fastened on valve shaft; Transmission shaft is installed in mechanical gear; The electromagnet of electric actuator and magnetic clutch is fastened on mechanical gear; The rotating shaft of electric actuator and propeller shaft couplings together, the driving disc of magnetic clutch be fastened on transmission shaft and and electromagnet between gapped, driving gear is enclosed within the position of transmission shaft by the positioning retainer ring limit axial; Driving gear can rotate at transmission shaft also can be along transmission shaft slip 1mm, and the driven disc and the driving gear of magnetic clutch tighten together.Valve closes the bottom that the position limit switch that puts in place is installed in mechanical gear, and is corresponding with weight arm up and down.
Above-mentioned electric-controlled type repid cut-off valve; It is characterized in that also being provided with control circuit, control circuit comprises the instruction of air-break switch ZK, valve open intermediate relay ZJ 1, electric actuator contactor KM, switch power DY, interlocked changeover switch AA, opens cut-off valve button AN1, valve closing intermediate relay ZJ 2, valve reach an intermediate relay ZJ 3, external signal OPEN switch DCS1, close cut-off valve button AN2, close cut-off valve button AN3, valve closes the intermediate relay ZJ 4 that puts in place, external signal out code switch DCS2, valve reach a tutorial light LD, valve close put in place tutorial light HD be connected lead.The input termination 220V power supply of air-break switch ZK; Two output terminals are connected with two input ends of electric power conversion apparatus DY; The first pair of normally opened contact of valve open instruction intermediate relay ZJ 1 is with after the coil of electric actuator contactor KM is connected; Be connected with two output terminals of air-break switch ZK, two terminal of the motor M of electric actuator are respectively contacted behind a pair of main contact of electric actuator contactor KM, are connected with two output terminals of air-break switch ZK.
Electric power conversion apparatus DY has two direct current 24V output terminals.Valve is connected with two output terminals of electric power conversion apparatus DY after reaching the normally opened contact of a position limit switch and coil that valve reaches an intermediate relay ZJ 3 polyphone.After the coil that the normally opened contact that valve closes the position limit switch that puts in place and valve close the intermediate relay ZJ 4 that puts in place is contacted, be connected with two output terminals of electric power conversion apparatus DY.After the first pair of normally opened contact and the valve that valve reaches an intermediate relay ZJ 3 reaches a tutorial light LD polyphone, be connected with two output terminals of electric power conversion apparatus DY.The normally opened contact that valve closes the intermediate relay ZJ 4 that puts in place and valve close after the tutorial light HD that puts in place contacts, and are connected with two output terminals of electric power conversion apparatus DY.After the electromagnetic coil of the first pair of normally-closed contact and electromagnetic locking mechanism that the second pair of normally opened contact, valve that valve reaches an intermediate relay ZJ 3 closes first pair of normally-closed contact, the valve closing intermediate relay ZJ 2 of the intermediate relay ZJ 4 that puts in place is contacted successively, be connected with two output terminals of electric power conversion apparatus DY.After second pair of normally opened contact of valve open instruction intermediate relay ZJ 1 contacted with the electromagnetic coil of magnetic clutch, be connected with two output terminals of electric power conversion apparatus DY.
The output terminal of electric power conversion apparatus DY is connected with contact 2A with the contact 1A of two pairs of contacts of interlocked changeover switch AA; Contact 1A is first pair of corresponding contact with contact 1B; Contact 2A is second pair of corresponding contact with contact 2B; After the coil of opening the second pair of normally-closed contact and the valve open instruction intermediate relay ZJ 1 of normally-closed contact that cut-off valve button AN1, valve reach an intermediate relay ZJ 3, valve closing intermediate relay ZJ 2 is contacted successively and connect, be connected between another output terminal of the second couple of contact 2B and electric power conversion apparatus DY of interlocked changeover switch AA.The 3rd pair of normally opened contact of valve open instruction intermediate relay ZJ 1 be connected electric power conversion apparatus DY connection interlocked changeover switch AA output terminal and open cut-off valve button AN1 and valve reaches between the tie point of normally-closed contact of an intermediate relay ZJ 3.External signal OPEN switch DCS1 is connected first couple of contact 1B of interlocked changeover switch AA and opens cut-off valve button AN1 and valve reaches between the tie point of normally-closed contact of an intermediate relay ZJ 3.After the second pair of normally-closed contact that close cut-off valve button AN2, close cut-off valve button AN3, valve closes the intermediate relay ZJ 4 that puts in place contacted with the coil of valve closing intermediate relay ZJ 2, be connected between the second couple of contact 2B and another output terminal of electric power conversion apparatus DY of interlocked changeover switch AA.The normally opened contact of valve closing intermediate relay ZJ 2 be connected electric power conversion apparatus DY connection interlocked changeover switch AA output terminal and close cut-off valve button AN3 and valve closes between the tie point of second pair of normally-closed contact of the intermediate relay ZJ 4 that puts in place.The normally opened contact of external signal out code switch DCS2 is connected first couple of contact 1B of interlocked changeover switch AA and closes cut-off valve button AN3 and valve closes between the tie point of second pair of normally-closed contact of the intermediate relay ZJ 4 that puts in place.
This electric-controlled type cut-off valve is set up electric actuator and mechanical transmission machine mechanism on the basis of " the electric-controlled type repid cut-off valve " of the patent No. 200620023486.1; Drive the valve shaft of the installation pressing plate of repid cut-off valve with electric actuator; Be installed in closing and opening of electric-controlled type repid cut-off valve on the gas pipe line in the control room with regard to remote controlled; Realize remotely-controlled effect, gas pipe line is opened and cut off to remote auto.
Description of drawings
Fig. 1 is this electric-controlled type repid cut-off valve embodiment's a plan view, among the figure along transmission shaft partly cut-away.
Fig. 2 is and the corresponding right elevation of Fig. 1.
Fig. 3 is the structural drawing of valve body, the first half partly cut-away among the figure.
Fig. 4 is the mutual alignment figure that reaches a position limit switch at opening state U-shaped fork and stop pin and valve.
Fig. 5 is the structural drawing of electromagnetic locking mechanism, remove shell among the figure after, cut open along the rotating shaft of locked with electromagnet mechanism.
Fig. 6 is the mutual alignment that closed condition U-shaped fork and stop pin and valve reach a position limit switch.
Fig. 7 is the mechanical transmission mechanism structural drawing, partly cut-away among the figure.
Fig. 8 is the partial sectional view along A-A line among Fig. 7, takes down valve and closes the position limit switch that puts in place.
Fig. 9 is the control circuit reference drawing of present embodiment.
Figure 10 is and the corresponding subregion of Fig. 9 hurdle.
Wherein the relative Fig. 1 of Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 amplifies.
Among Fig. 1 and Fig. 2:
1-position limit pin 2-weight arm 3-weight 4-through hole 5-position limit pin
6-stop pin 7-U shape fork 8-rotating shaft 9-shell 10-electromagnetic locking mechanism
11-mounting plate 12-valve reaches a position limit switch 13-adapter sleeve
14-valve shaft 15-axle bed 16-mechanical gear 17-flange
18-valve body 19-electric actuator 20-valve plate 21-seal ring
Among Fig. 3 and Fig. 4:
Plumbing bar under the 22-cantilever 23-hinged seat 24-prong 25-
26-stirs a 27-push rod
Among Fig. 5 and Fig. 6:
28-bonnet 29-pressing plate 30-backing plate 31-electromagnetic coil 32-ring electromagnet
33-axle sleeve 34-locating stud 35-curve bath 36-torque spring 37-through hole
Among Fig. 7 and Fig. 8:
38-transmission shaft 39-magnetic clutch 40-driving gear 41-tooth sector
42-mechanical transmission mechanism 43-driven disc 44-driving disc 45-gap
46-electromagnetic coil 47-electromagnet
48-connecting plate 49-valve closes the position limit switch that puts in place
Among Fig. 9 and Figure 10:
ZK-air-break switch ZJ1-valve open instruction auxiliary reclay
The motor of KM-electric actuator contactor M-electric actuator
1B-contact, DY-switch power AA-interlocked changeover switch 1A-contact
2B-contact, 2A-contact
(contact 1A and contact 1B are first pair of contact, and contact 2A and contact 2B are second pair of contact)
AN1-opens cut-off valve button ZJ2-valve closing auxiliary reclay
The ZJ3-valve reaches an auxiliary reclay DCS1-external signal OPEN switch
AN2-closes the cut-off valve button
AN3-closes cut-off valve button ZJ4-valve and closes the auxiliary reclay that puts in place
DCS2-external signal out code switch LD-valve reaches a tutorial light
The HD-valve closes tutorial light (the 1)-power switch that puts in place
(2)-the electric actuator contactor
(3)-and electric actuator (4)-electric power conversion apparatus (5)-concentrate/this cabinet throw over switch
(6)-this cabinet control opens (7)-self-locking (8)-external signal OPEN
(9)-this cabinet control closes the out code of (10)-external signal
(11)-opened (the 12)-valve of valve closes (13)-valve open indication
(14)-valve closing indication (15)-electromagnetic locking mechanism coil (16)-magnetic clutch coil
Embodiment
Below in conjunction with the embodiment of embodiment and this electric-controlled type of accompanying drawing detailed description repid cut-off valve thereof, but the embodiment of this electric-controlled type repid cut-off valve is not limited to following embodiment.
Embodiment
The electric-controlled type repid cut-off valve that Fig. 1 and Fig. 2 describe comprises valve body 18, valve plate 20, valve shaft 14, cantilever 22, weight 3, weight arm 2 and electromagnetic locking mechanism 10; Valve shaft 14 is installed on the axle bed of valve body 18 as on the axle bed 15, and an end is arranged is that right-hand member among Fig. 1 stretches out outside the valve body 18.Cantilever 22 tightens together with valve shaft 14; Valve plate 20 is hinged on the cantilever 22 by hinged seat 23 in the valve pocket of valve body 18, sees Fig. 3, and the lower end of weight arm 2 and valve shaft 14 stretch out valve body 18 outer ends and tighten together; Weight 3 has a through hole 4; Weight 3 is through the top of weight arm 2 by through hole 4, and is limited in the top of weight arm 2 by position limit pin 1 and position limit pin 5, under the weight 3 of weight arm 2, is fixing stop pin 6.Electromagnetic locking mechanism 10 is seen Fig. 5; Electromagnetic locking mechanism 10 is installed in outside the valve body 18 and the stop pin 6 corresponding positions of weight arm 2 by mounting plate 11; Electromagnetic locking mechanism 10 has ring electromagnet 32, electromagnetic coil 31, torque spring 36, rotating shaft 8 and U-shaped fork 7, and ring electromagnet 32 is fastened on mounting plate 11, and electromagnetic coil 31 is enclosed within on the ring electromagnet 32; One end of rotating shaft 8 is through in the ring electromagnet 32 and fastening pressing plate 29; Pressing plate 29 is laminated on ring electromagnet 32 through backing plate 30, and torque spring 36 is enclosed within the rotating shaft 8, sees Fig. 5.One through hole is arranged on mounting plate 11; Fastening axle sleeve 33 in this through hole, rotating shaft 8 is installed in the axle sleeve 33, at the end face of axle sleeve 33 curve bath 35 is being set; Axis with rotating shaft 8 is the center of circle; The central angle of curve bath 35 is 55 °, tightens set locating stud 34 in rotating shaft 8, and an end of locating stud 34 reaches curve bath 35.The two ends of torque spring 36 are connected with pressing plate 29 with axle sleeve 33 respectively, and U-shaped fork 7 is fastened on an end of rotating shaft 8, and the stop pin 6 of weight arm 2 is stuck in the prong 24 of U-shaped fork 7, sees Fig. 4.At mounting plate 11 valve is installed and reaches a position limit switch 12; Plumbing bar 25 is being fixed in lower end at U-shaped fork 7; Under 20 ° of states of inclination of weight arm 2 relative vertical directions, the following plumbing bar 25 of U-shaped fork 7 and valve reach stirring of a position limit switch 12 and 26 contact.
The characteristic of this electric-controlled type repid cut-off valve is that electric actuator 19 and mechanical transmission mechanism 42 also are being set.The structure of mechanical transmission mechanism 42 is seen Fig. 7 and Fig. 8, and mechanism driving mechanism comprises that mechanical gear 16, magnetic clutch 39, transmission shaft 38, driving gear 40, central angle are that 120 ° tooth sector 41 closes the position limit switch 49 that puts in place with valve.Tooth sector 41 is fastened on valve shaft 14; Transmission shaft 38 is installed in mechanical gear 16; Electric actuator 19 is fastened on mechanical gear 16 with the electromagnet 47 of magnetic clutch 39; The rotating shaft of electric actuator 19 and transmission shaft 38 be linked together, the driving disc 44 of magnetic clutch 39 be fastened on transmission shaft 38 and and electromagnet 47 between gapped, (electromagnet 47 can rotate with driving disc 44 each other) driving gear 40 is enclosed within the position of transmission shaft 38 by the positioning retainer ring limit axial; Driving gear 40 can rotate at transmission shaft 38 also can be along transmission shaft slip 1mm, and the driven disc 43 and the driving gear 40 of magnetic clutch tighten together.Valve closes the bottom that the position limit switch 49 that puts in place is installed in mechanical gear 16, and is corresponding with weight arm 2 up and down.
This electric-controlled type repid cut-off valve is taked said structure; Reaching a position limit switch 12, valve at electric actuator 19, the electromagnetic coil 46 of magnetic clutch 39, valve closes the position limit switch 49 that puts in place and is connected lead and control corresponding switch with the electromagnetic coil 31 of electromagnetic locking mechanism 10; Can realize closing and opening of distant control valve (specifically being valve plate 20), just can telecontrol in the control room be installed in closing and opening of electric-controlled type repid cut-off valve on the gas pipe line.For the ease of implementing the utility model, the utility model provides a kind of control circuit of reference.
The control circuit of present embodiment is seen Fig. 9; The input termination 220V power supply of air-break switch ZK; Two output terminals are connected with two input ends of electric power conversion apparatus DY; The first pair of normally opened contact of valve open instruction intermediate relay ZJ 1 is with after the coil of electric actuator contactor KM is connected; Be connected with two output terminals of air-break switch ZK, two terminal of the motor M of electric actuator are respectively contacted behind a pair of main contact of electric actuator contactor KM, are connected with two output terminals of air-break switch ZK.
Electric power conversion apparatus DY has two direct current 24V output terminals.Valve is connected with two output terminals of electric power conversion apparatus DY after reaching the normally opened contact of a position limit switch 12 and coil that valve reaches an intermediate relay ZJ 3 polyphone.After the coil that the normally opened contact that valve closes the position limit switch 49 that puts in place and valve close the intermediate relay ZJ 4 that puts in place is contacted, be connected with two output terminals of electric power conversion apparatus DY.After the first pair of normally opened contact and the valve that valve reaches an intermediate relay ZJ 3 reaches a tutorial light LD polyphone, be connected with two output terminals of electric power conversion apparatus DY.The normally opened contact that valve closes the intermediate relay ZJ 4 that puts in place and valve close after the tutorial light HD that puts in place contacts, and are connected with two output terminals of electric power conversion apparatus DY.After the electromagnetic coil 31 of the first pair of normally-closed contact and electromagnetic locking mechanism 10 that the second pair of normally opened contact, valve that valve reaches an intermediate relay ZJ 3 closes first pair of normally-closed contact, the valve closing intermediate relay ZJ 2 of the intermediate relay ZJ 4 that puts in place is contacted successively, be connected with two output terminals of electric power conversion apparatus DY.After second pair of normally opened contact of valve open instruction intermediate relay ZJ 1 contacted with the electromagnetic coil 46 of magnetic clutch 39, be connected with two output terminals of electric power conversion apparatus DY.
The output terminal of electric power conversion apparatus DY is that left end is connected with contact 2A with the contact 1A of two pairs of contacts of interlocked changeover switch AA among Fig. 9; Contact 1A is first pair of corresponding contact with contact 1B; Contact 2A is second pair of corresponding contact with contact 2B; After the coil of opening the second pair of normally-closed contact and the valve open instruction intermediate relay ZJ 1 of normally-closed contact that cut-off valve button AN1, valve reach an intermediate relay ZJ 3, valve closing intermediate relay ZJ 2 was contacted successively and connect, second couple of contact 2B (i.e. another contact of second pair of contact) and another output terminal of electric power conversion apparatus DY of being connected interlocked changeover switch AA were between the right-hand member among Fig. 9.The 3rd pair of normally opened contact of valve open instruction intermediate relay ZJ 1 is connected the output terminal (also being connected with contact 1A and contact 2A) of the connection interlocked changeover switch AA of electric power conversion apparatus DY and opens cut-off valve button AN1 and valve reaches between the tie point of normally-closed contact of an intermediate relay ZJ 3.External signal OPEN switch DCS1 is connected first couple of contact 1B (i.e. another contact of first pair of contact) of interlocked changeover switch AA and opens cut-off valve button AN1 and valve reaches between the tie point of normally-closed contact of an intermediate relay ZJ 3.After the second pair of normally-closed contact that close cut-off valve button AN2, close cut-off valve button AN3, valve closes the intermediate relay ZJ 4 that puts in place contacted with the coil of valve closing intermediate relay ZJ 2, be connected between the second couple of contact 2B and another output terminal of electric power conversion apparatus DY of interlocked changeover switch AA.The normally opened contact of valve closing intermediate relay ZJ 2 be connected electric power conversion apparatus DY connection interlocked changeover switch AA output terminal and close cut-off valve button AN3 and valve closes between the tie point of second pair of normally-closed contact of the intermediate relay ZJ 4 that puts in place.The normally opened contact of external signal out code switch DCS2 is connected first couple of contact 1B of interlocked changeover switch AA and closes cut-off valve button AN3 and valve closes between the tie point of second pair of normally-closed contact of the intermediate relay ZJ 4 that puts in place.
Working procedure below in conjunction with embodiment's simple declaration the utility model.
The repid cut-off valve original state is in closed condition, and the valve closing tutorial light HD that puts in place is bright, and the motor M of electric actuator does not rotate; By opening cut-off valve button AN1, valve open instruction intermediate relay ZJ 1 electronic work and self-locking, its auxiliary contact move then two pairs of main contacts actions of electric actuator contactor KM; The motor M of electric actuator gets electric rotation, and the auxiliary contact of the intermediate relay ZJ 1 of valve open instruction are simultaneously connected the electromagnetic coil 46 of magnetic clutch 39, the driving disc 44 and driven disc 43 adhesives of magnetic clutch 39; Thereby electric actuator 19 drives valve plate 20 rotations by mechanical transmission mechanism 42 and opens the fast shut-off valve; After valve plate 20 forwarded the position to, the following plumbing bar 25 of U-shaped fork 7 was run into the push rod 27 that valve reaches a position limit switch 12, and the normally opened contact that valve reaches a position limit switch 12 is closed; Make valve reach an intermediate relay ZJ 3 actions; The auxiliary contact of this relay are connected the electromagnetic coil 31 of electromagnetic locking mechanism, electromagnetic locking mechanism 10 adhesives, the position that valve plate 20 is stayed open; It is bright that the while valve reaches a signaling lamp LD; Valve open instruction intermediate relay ZJ 1 dead electricity resets, the coil losing electricity of electric actuator contactor KM, and electric actuator contactor KM main contact resets.The motor M of electric actuator stops operating, and often opening of ZJ1 assists electric shock owing to the dead electricity of ZJ1 is broken off simultaneously, and electromagnetic coil 46 dead electricity of magnetic clutch 39 are broken off, and so far the valve open process finishes, and valve plate 20 is held open state.
According to circumstances, be at cut-off valve (being actually valve plate 20) and open or all can close cut-off valve during intermediateness.Press simultaneously and close cut-off valve button AN2 and close cut-off valve button AN3 (for preventing what misoperation was provided with), valve closing intermediate relay ZJ 2 gets electronic work and self-locking, its auxiliary contact action; The electromagnetic coil 31 of electromagnetic locking mechanism breaks off with electromagnetic coil 46 dead electricity of magnetic clutch 39, and electromagnet 32 loses magnetic force and unlocks, during position that U-shaped fork 7 turns among Fig. 6; Stop pin 6 state that goes out of lock, valve plate 20 quick closedowns are closed the back weight arm 2 that puts in place and are run into valve and close the position limit switch 49 that puts in place; The normally opened contact that valve closes the position limit switch 49 that puts in place is closed; Valve closes the intermediate relay ZJ 4 that puts in place and gets electronic work, the auxiliary contact contact of this relay, and it is bright that valve closes the signaling lamp HD that puts in place; The valve plate 20 of cut-off valve closes closed procedure to be finished, and valve plate 20 is in closed condition.
Valve open described in the present specification is meant opening and closing of valve plate 20 with closing.First pair of contact of described first pair of normally opened contact, the first pair of normally-closed contact and interlocked changeover switch AA is meant when mounted or many contact marked for distinguishing when describing circuit.The contact 1A of interlocked changeover switch AA, contact 1B, contact 2A and contact 2B mark for the ease of the annexation of describing circuit.
Claims (2)
1. electric-controlled type repid cut-off valve, it comprises valve body, valve plate, valve shaft, cantilever, weight, weight arm and electromagnetic locking mechanism, valve shaft is installed on the axle bed of valve body, and has one to bring out outside the valve body; Cantilever and valve shaft tighten together; Valve plate is hinged on the cantilever by hinged seat in the valve pocket of valve body; The lower end of weight arm and valve shaft stretch out the outer end of valve body and tighten together, and weight has a through hole, and weight is through the top of weight arm by through hole; And be limited in the top of weight arm by two position limit pins, under the weight of weight arm, fixing stop pin; Electromagnetic locking mechanism is installed in outside the valve body and the corresponding position of stop pin of weight arm by mounting plate; Electromagnetic locking mechanism has ring electromagnet, electromagnetic coil, torque spring, rotating shaft and U-shaped fork; Ring electromagnet is fastened on mounting plate, and electromagnetic coil is enclosed within on the ring electromagnet, and an end of rotating shaft is through in the ring electromagnet and fastening pressing plate; Pressing plate is laminated on ring electromagnet through backing plate, and torque spring is enclosed within the rotating shaft; One through hole is arranged on mounting plate, fastening axle sleeve in this through hole, rotating shaft is installed in the axle sleeve; End face at axle sleeve is being provided with curve bath, is the center of circle with the axis of rotating shaft, and the central angle of curve bath is 50 °-60 °; Tighten the set locating stud in rotating shaft, an end of locating stud reaches curve bath; The two ends of torque spring are connected with pressing plate with axle sleeve respectively, and the U-shaped fork is fastened on an end of rotating shaft, and the stop pin of weight arm is stuck in the prong of U-shaped fork; At mounting plate valve is installed and reaches a position limit switch, fixing descend plumbing bar in the lower end of U-shaped fork, under the state of 20 ° ± 5 ° of the inclinations of the relative vertical direction of weight arm, the following plumbing bar of U-shaped fork and valve reach stirring of a position limit switch and contact;
It is characterized in that: electric actuator and mechanical transmission mechanism also are being set, and mechanism driving mechanism comprises that mechanical gear, magnetic clutch, transmission shaft, driving gear, central angle are not less than 120 ° tooth sector and valve and close the position limit switch that puts in place; Tooth sector is fastened on valve shaft; Transmission shaft is installed in mechanical gear; The electromagnet of electric actuator and magnetic clutch is fastened on mechanical gear; The rotating shaft of electric actuator and propeller shaft couplings together, the driving disc of magnetic clutch be fastened on transmission shaft and and electromagnet between gapped, driving gear is enclosed within the position of transmission shaft by the positioning retainer ring limit axial; Driving gear can rotate at transmission shaft also can be along transmission shaft slip 1mm, and the driven disc and the driving gear of magnetic clutch tighten together; Valve closes the bottom that the position limit switch that puts in place is installed in mechanical gear, and is corresponding with weight arm up and down.
2. electric-controlled type repid cut-off valve according to claim 1; It is characterized in that also being provided with control circuit, control circuit comprises the instruction of air-break switch (ZK), valve open auxiliary reclay (ZJ1), electric actuator contactor (KM), switch power (DY), interlocked changeover switch (AA), opens cut-off valve button (AN1), valve closing auxiliary reclay (ZJ2), valve reach an auxiliary reclay (ZJ3), external signal OPEN switch (DCS1), close cut-off valve button (AN2), close cut-off valve button (AN3), valve closes the auxiliary reclay (ZJ4) that puts in place, external signal out code switch (DCS2), valve reach a tutorial light (LD), valve close put in place tutorial light (HD) be connected lead; Two output terminals of air-break switch (ZK) are connected with two input ends of electric power conversion apparatus (DY); The first pair of normally opened contact of valve open instruction auxiliary reclay (ZJ1) is with after the coil of electric actuator contactor (KM) is connected; Be connected with two output terminals of air-break switch (ZK); Two terminal of the motor of electric actuator (M) are respectively contacted behind a pair of main contact of electric actuator contactor (KM), are connected with two output terminals of air-break switch (ZK);
Electric power conversion apparatus (DY) has two direct currents (24V) output terminal, and valve is connected with two output terminals of electric power conversion apparatus (DY) after reaching the normally opened contact of a position limit switch (12) and coil that valve reaches an auxiliary reclay (ZJ3) polyphone; After the coil that the normally opened contact that valve closes the position limit switch (49) that puts in place and valve close the auxiliary reclay (ZJ4) that puts in place is contacted, be connected with two output terminals of electric power conversion apparatus (DY); After the first pair of normally opened contact and the valve that valve reaches an auxiliary reclay (ZJ3) reaches a tutorial light (LD) polyphone, be connected with two output terminals of electric power conversion apparatus (DY); The normally opened contact that valve closes the auxiliary reclay (ZJ4) that puts in place and valve close after the tutorial light (HD) that puts in place contacts, and are connected with two output terminals of electric power conversion apparatus (DY); After the electromagnetic coil (31) of the first pair of normally-closed contact and electromagnetic locking mechanism (10) that the second pair of normally opened contact, valve that valve reaches an auxiliary reclay (ZJ3) closes first pair of normally-closed contact, the valve closing auxiliary reclay (ZJ2) of the auxiliary reclay (ZJ4) that puts in place is contacted successively, be connected with two output terminals of electric power conversion apparatus (DY); After second pair of normally opened contact of valve open instruction auxiliary reclay (ZJ1) contacted with the electromagnetic coil (46) of magnetic clutch (39), be connected with two output terminals of electric power conversion apparatus (DY);
An output terminal of electric power conversion apparatus (DY) is connected with contact (2A) with the contact (1A) of two pairs of contacts of interlocked changeover switch (AA); Contact (1A) is first pair of corresponding contact with contact (1B); Contact (2A) is second pair of corresponding contact with contact (2B); After the coil of opening the second pair of normally-closed contact and the valve open instruction auxiliary reclay (ZJ1) of normally-closed contact that cut-off valve button (AN1), valve reach an auxiliary reclay (ZJ3), valve closing auxiliary reclay (ZJ2) is contacted successively and connect, be connected between another output terminal of second pair of contact (2B) and electric power conversion apparatus DY of interlocked changeover switch (AA); The 3rd pair of normally opened contact of valve open instruction auxiliary reclay (ZJ1) be connected electric power conversion apparatus (DY) connection interlocked changeover switch (AA) output terminal and open cut-off valve button (AN1) and valve reaches between the tie point of normally-closed contact of an auxiliary reclay (ZJ3); External signal OPEN switch (DCS1) is connected first pair of contact (1B) of interlocked changeover switch (AA) and opens cut-off valve button (AN1) and valve reaches between the tie point of normally-closed contact of an auxiliary reclay (ZJ3); After the second pair of normally-closed contact that close cut-off valve button (AN2), close cut-off valve button (AN3), valve closes the auxiliary reclay (ZJ4) that puts in place contacted with the coil of valve closing auxiliary reclay (ZJ2), be connected between the second pair of contact (2B) and another output terminal of electric power conversion apparatus (DY) of interlocked changeover switch (AA); The normally opened contact of valve closing auxiliary reclay (ZJ2) be connected electric power conversion apparatus (DY) connection interlocked changeover switch (AA) end output terminal and close cut-off valve button (AN3) and valve closes between the tie point of second pair of normally-closed contact of the auxiliary reclay (ZJ4) that puts in place; The normally opened contact of external signal out code switch (DCS2) is connected first pair of contact (1B) of interlocked changeover switch (AA) and closes cut-off valve button (AN3) and valve closes between the tie point of second pair of normally-closed contact of the auxiliary reclay (ZJ4) that puts in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202023264U CN202118359U (en) | 2011-06-16 | 2011-06-16 | Quick electronic controlled cutoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202023264U CN202118359U (en) | 2011-06-16 | 2011-06-16 | Quick electronic controlled cutoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118359U true CN202118359U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202023264U Expired - Fee Related CN202118359U (en) | 2011-06-16 | 2011-06-16 | Quick electronic controlled cutoff valve |
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| CN (1) | CN202118359U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103882168A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Emergency shutdown system of gas cut-off valve |
| CN103939658A (en) * | 2014-04-29 | 2014-07-23 | 天津福得士阀门有限公司 | Valve with electromagnetic rapid closing control function |
| CN105841938A (en) * | 2016-03-25 | 2016-08-10 | 吴忠仪表有限责任公司 | Safety shut-off valve reliability test device and application thereof |
| CN106076987A (en) * | 2016-06-22 | 2016-11-09 | 刘德平 | A kind of inside of plastic tubes high-efficiency washing device |
| CN109243093A (en) * | 2018-09-17 | 2019-01-18 | 虫极科技（北京）有限公司 | A kind of Intelligent cargo cabinet and the method for controlling Intelligent cargo cabinet door lock state |
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| CN110260024A (en) * | 2019-05-08 | 2019-09-20 | 重庆全飞汽车零部件有限公司 | A kind of intelligent electromagnetic valve |
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- 2011-06-16 CN CN2011202023264U patent/CN202118359U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882168A (en) * | 2014-03-25 | 2014-06-25 | 济钢集团有限公司 | Emergency shutdown system of gas cut-off valve |
| CN103882168B (en) * | 2014-03-25 | 2015-09-02 | 济钢集团有限公司 | A kind of gas stop valve emergency shutdown system |
| CN103939658A (en) * | 2014-04-29 | 2014-07-23 | 天津福得士阀门有限公司 | Valve with electromagnetic rapid closing control function |
| CN105841938A (en) * | 2016-03-25 | 2016-08-10 | 吴忠仪表有限责任公司 | Safety shut-off valve reliability test device and application thereof |
| CN105841938B (en) * | 2016-03-25 | 2018-01-26 | 吴忠仪表有限责任公司 | Safety cut-off valve reliability test and its application |
| CN106076987A (en) * | 2016-06-22 | 2016-11-09 | 刘德平 | A kind of inside of plastic tubes high-efficiency washing device |
| CN109243093A (en) * | 2018-09-17 | 2019-01-18 | 虫极科技（北京）有限公司 | A kind of Intelligent cargo cabinet and the method for controlling Intelligent cargo cabinet door lock state |
| CN109243093B (en) * | 2018-09-17 | 2024-01-30 | 虫极科技（北京）有限公司 | Intelligent container and method for controlling state of door lock of intelligent container |
| CN109823611A (en) * | 2018-12-28 | 2019-05-31 | 贵州工程应用技术学院 | A kind of quantitative package automatic material taking system |
| CN109823611B (en) * | 2018-12-28 | 2024-03-26 | 贵州工程应用技术学院 | Automatic material taking system for quantitative packaging |
| CN110260024A (en) * | 2019-05-08 | 2019-09-20 | 重庆全飞汽车零部件有限公司 | A kind of intelligent electromagnetic valve |
| CN113819926A (en) * | 2021-10-15 | 2021-12-21 | 九江精密测试技术研究所 | Protection system for opening incubator door by misoperation of double-shaft rotary table with incubator |
| CN113819926B (en) * | 2021-10-15 | 2023-11-24 | 九江精密测试技术研究所 | Protection system for misoperation of refrigerator door with incubator and double-shaft turntable |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20170616 |