CN201655703U - Handle driving mechanism of low-voltage breaker - Google Patents

Abstract

The utility model is a handle driving mechanism of a low-voltage breaker. The mechanism is composed of a handle operation driver, a handle robot manipulator, a handle switching detector and a handle stop, wherein a frame is fixed on the bottom board, a motor is fixed on the frame, the shaft of the motor and the gear are connected by the key, the other end of the gear is fixed in the through-hole in the medium of the left end plane of the frame, the toothed rack is meshed with the gear, the shifting shaft base is at the front of the toothed rack, an upper shifting shaft and a lower shifting shaft are installed at the right side of the shifting shaft base, the terminals of the on position sensor and the off position sensor are connected with the on/off position testing circuits respectively. The upper and the lower parts of the strip spacing through-hole at the left end plane of the frame is fixed with the on/off stopper respectively, and the off spacing bolt is screwed into the threaded hole of the off stopper by the nut. The handle driving mechanism of the utility model implements non impact operation and non damage smooth contact of the low-voltage breaker, resolves the problems of low efficiency and non safety of the manual electric appliance experiment.

Description

Handle-driving mechanism of low-pressure breaker

Technical field:

The utility model belongs to one of important component part in the test detection technique of a kind of electric equipment products (low-voltage circuit breaker), is specially a kind of handle-driving mechanism of low-pressure breaker.

Background technology:

Low-voltage circuit breaker is the important component part of electrical equipment industry, mainly is meant: " being used for exchanging the various circuit breakers that 50Hz, rated voltage 1200V and following or dc rated voltage 1500V and following circuit play effects such as break-make, control or protection "., be complete sets of basic equipment spare in the mechanical industry, mainly constitute at distribution system mesolow switchgear assembly by various low-voltage circuit breaker elements, the function and the performance of low-voltage circuit breaker play crucial effects to low-voltage complete switch equipment.In industrial automation system, the also various control flows that need constitute by low-voltage circuit breaker, control desk, controller etc.The market capacity of low-voltage circuit breaker is closely to link to each other with the development of electric utility.Using by the low-voltage circuit breaker distribution more than 80% of electric energy that generating equipment is sent.The low-voltage circuit breaker industry has about 1500 families of manufacturing enterprise at present.10,000 kilowatts of generating equipments of every increase need about 20,000 all kinds of low-voltage circuit breakers supporting with it approximately.Along with electric power system increase-volume amount constantly increases, supporting according to experience than calculating, need about 480,000 of low pressure frame-type circuit breaker every year, 4,820,000 of breaker of plastic casing.As the main switch of low-voltage distribution branch road, the protection component of distribution system, low-voltage circuit breaker is used widely in the safe distribution in fields such as industry, agricultural, communications and transportation, national defence, culture and education, health, finance, commerce, tourist service and people's lives; Its service behaviour and reliability direct relation national product normally carry out personal safety with operating personnel.Therefore, very urgent and necessary to the experimental technique and the detection technique research of low-voltage circuit breaker.

For the low-voltage circuit breaker test, the method that domestic and international experiment station generally adopts is: 1) manual mode of operation, its shortcoming are that the operation element amount is big, and test efficiency is low, and is unfavorable to personal safety; 2) pneumatic operation mode, its shortcoming is that test product is had impact, source of the gas is not easy to solve; 3) hydraulic operation mode, its shortcoming are that operating mechanism is huge, complicated.Disclosed number of patent application is that 200520038184.7 residual current circuit breaker is manually utilized the combination of motor-driven turbine worm to finish the circuit breaker on/off switch with the automatic closing device to operate, and the handle and the circuit breaker handle of driving mechanism connect together.Disclosed number of patent application is to utilize the combination of motor-driven cam follower to finish the operation of circuit breaker on/off switch in 02202818.8 the miniature circuit breaker handle electric actuator.Its shortcoming is that the combinations thereof quality of fit is wayward, and the action consistency that drives circuit breaker handle is relatively poor.Disclosed number of patent application is that 02242287.0 dual-purpose closing device of residual current circuit breaker pulley-type and disclosed number of patent application are that 02259345.4 residual current circuit breaker automatic closing device has all designed zoetrope and the pulley combination in a kind of Electric Machine Control clutch, finishes the on/off switch operation by the closed stay cord that passes circuit breaker handle.Its shortcoming is that stay cord has certain damage to circuit breaker handle, and the intensity of stay cord is had very high requirement, and damage probability is higher, unsuitable frequent operation.Disclosed number of patent application is that 02284818.5 Leakage Circuit Breaker Dual-Use Switch Rack Device utilizes the wheel and rack combination in the Electric Machine Control clutch that circuit breaker handle is carried out on/off switch.Its shortcoming need be regulated by clutch for the wheel and rack spacing, and repetitive operation consistency difficulty is big; Platypelloid type tooth bar intensity is lower, and subject to damage when wheel and rack meshes is to the tooth requirement of strength height of tooth bar; Tooth bar can revolve active connection by band and directly be connected with circuit breaker handle, easily circuit breaker handle is caused frictional property damage and extra tension during operation.Disclosed number of patent application is to utilize Electric Machine Control slide block and two draw back plates motion at regular intervals thereof in 200620025394.7 the integrated test bench for creepage breaker on/off switch device, thereby stirs the circuit breaker handle on/off switch that is placed in the middle of the draw back plate.Its shortcoming is that flat strip draw back plate easily produces the frictional property damage when stirring handle; Motor drives slide block movement by leading screw, and the accuracy of mesh of leading screw and slide block requires high, easily produces motion and blocks.This shows that in process of the test, how realizing that microcomputer automatic control does not have impacts lever operated function, thereby improve test efficiency, reduce labour intensity and do not increase artificial unreliable factor again simultaneously and become one of key technology.

The utility model content:

The utility model mainly solves one of key technology in a kind of manual electrical equipment (voltage circuit breakers) test, realizes that promptly micro-processor controlled test product handle does not have impact and closes automatically/the sub-switching operation function.The utility model utilization reaches the design of shifting shaft Outer cylindrical plastic bushing, has realized that the no blasting operation of low-voltage circuit breaker smoothly contacts with not damaged, the gentle operation of anthropomorphic dummy's have gentle hands well; The utility model handle closes/and separating brake is in the design of bit detector, and the adjustment of the matching relationship by stroke magnet steel seat and position transducer can realize the electronic closing/sub-switching operation of test product handle, and frequency of operation is adjustable.Thus, the utility model has the manual electrical apparatus test efficient of raising, reduces labour intensity, protection operating personnel's effects such as personal safety.

The technical solution of the utility model is as follows:

The structure of handle-driving mechanism of low-pressure breaker is, and by lever operated driver, lever operated manipulator, handle close/and separating brake forms to bit detector and lever operated stop four parts;

Wherein the structure of lever operated driver is, the support body inside bottom is equipped with the lower surface, support body is packed in the later half position of base plate, motor is packed in the middle part of support body its right end face, the axle of motor is bonded together with an end of gear, the other end of gear is packed in the through hole at support body left end face middle part through bearing and circlip for hole, with gears engaged together be the tooth bar of vertically installing, the two ends up and down of tooth bar are set in 2 covers, and 2 covers are packed in the through hole at the upper and lower end face of support body middle part.The structure of lever operated manipulator is: stir the place ahead that axle bed is packed in the tooth bar middle part, the right side of stirring axle bed is installed with shifting shaft and following shifting shaft.Handle closes/and separating brake to the structure of bit detector is, the minor face of " L " type locating rack is packed in the position, upper back of the left end face inboard of support body, there is a bar shaped position probing through hole on the long limit of locating rack, the dead ahead correspondence of through hole be cylinder bodily form stroke magnet steel seat, magnet steel seat is fixed in the screwed hole of tooth bar rear side teeth tops.The closing position transducer is packed in closing position and adjusts in the through hole of piece, and the adjustment screw is solidly installed by the screwed hole and the closing position adjustment piece at rear portion, support body upper surface; The separating brake position transducer is packed in the separating brake position and adjusts in the through hole of piece, and the rank piece is packed in the lower end of bar shaped position probing through hole on the long limit of " L " type locating rack, adjusts screw precession from the screwed hole of rank piece and is solidly installed with separating brake position adjustment piece.The induction of signal end of closing position transducer and separating brake position transducer is inserted into the upper and lower position in the bar shaped position probing through hole on the long limit of locating rack respectively; The terminals of closing position transducer and separating brake position transducer respectively with close, the separating brake position detecting circuit links to each other.The structure of lever operated stop is, the upper and lower position of anterior bar shaped limiting through hole, support body left side is installing combined floodgate guide vane end stop and separating brake guide vane end stop respectively, the combined floodgate caging bolt is by in the screwed hole of nut precession combined floodgate guide vane end stop, and the separating brake caging bolt is by in the screwed hole of nut precession separating brake guide vane end stop.

The last shifting shaft of described lever operated manipulator is identical with the structure of following shifting shaft, passes the through hole of stirring on the axle bed for screw and is locked at through spring shim, pad by nut and stirs on the axle bed.The screw top is with the cylindrical plastic sleeve pipe.

The structure of described tooth bar is, global shape is a cylinder, and corresponding position with gear, middle-end rear portion is one section rack structure, and the tooth pitch of tooth bar matches with the tooth pitch of gear; The upper rear of tooth bar is installing cylinder bodily form stroke magnet steel seat; The left side, lower end of tooth bar is installing buting iron, and buting iron passes the basifacial bar shaped limiting through hole of support body left end.

The height of described bar shaped limiting through hole is identical with the height that locating rack is grown bar shaped position probing through hole on the limit.

Described handle closes/and separating brake is a kind of fluting long cylinder screw to the adjustment screw in the bit detector, and pin embeds in the groove of adjusting screw itself and combined floodgates/separating brake position adjustment piece is solidly installed.

Described stroke magnet steel seat is a cylindrical workpiece, and an end is a threaded screws, is packed in the rear portion of tooth bar upper end, and other end middle part embeds a little magnetic cylinder.

Described closing position transducer and separating brake position transducer adopt general Hall element, and an end is the magnetic signal induction end, and facing to the stroke magnet steel seat in the place ahead, the other end is terminals, with close, the separating brake position detecting circuit links to each other.

The utility model compared with prior art has following characteristics:

1. be provided with the manual lever operated manipulator of anthropomorphic dummy in the utility model, shifting shaft moves up and down in the process, the cylindrical plastic sleeve pipe of shifting shaft contacts with handle, softly stir handle, the no blasting operation of having realized low-voltage circuit breaker smoothly contacts with not damaged, low, the uneasy congruent problem of efficient that has existed when having solved the manual electrical apparatus test of long-term puzzlement electrical apparatus industry.

2. the utility model is adjusted the shifting shaft spacing if axle bed and shifting shaft are stirred in replacing, can take into account the various model low-voltage circuit breakers of similar structures, has certain versatility.

3. the utility model utilizes cooperating of stroke magnet steel seat and position transducer, ECDC, separating brake position detecting circuit can obtain manipulator exactly and close/the separating brake signal that puts in place, realize the electronic closing/sub-switching operation of test product handle through the running of control circuit control motor, frequency of operation is adjustable.

4. the matching relationship between the utility model test product handle and shifting shaft can change between stroke magnet steel seat and position transducer the position by spacing adjustment piece and concern and realize, has advantages such as simple operation, efficient height, stable and safety.

Description of drawings:

Fig. 1 is the right view of the utility model handle-driving mechanism of low-pressure breaker, wherein is the respective outer side edges of display unit 26-33, and motor 61 is omitted, and has only shown the position of motor shaft;

Fig. 2 is the vertical view of the utility model handle-driving mechanism of low-pressure breaker; Wherein in order to show gear 43 parts such as grade, with the support body upper surface and overlap 22 etc. accordingly and omit, show the vertical view of inner each parts of support body, simultaneously for the reason of page Butut, the view dextrorotation turn 90 degrees;

Fig. 3 is the front view of the utility model handle-driving mechanism of low-pressure breaker;

Fig. 4 is a shifting shaft view in the utility model handle-driving mechanism of low-pressure breaker;

Fig. 5 is the utility model handle-driving mechanism of low-pressure breaker middle rack view; (a) figure is a upward view, and (b) figure is a front view, and (c) figure is a vertical view; (d) view of tooth bar rear side middle part teeth; (e) be used for fixing the cutaway view of the screwed hole of magnet steel seat; B point position is the fixing screwed hole of buting iron 37; The C point is the cutaway view that is used for fixing the screwed hole of magnet steel seat 23;

Fig. 6 is the detector arrangement figure that puts in place that closes a floodgate in the utility model handle-driving mechanism of low-pressure breaker, and wherein a is overall structure figure, and b is a decomposition view;

Fig. 7 is the separating brake detector arrangement figure that puts in place in the utility model handle-driving mechanism of low-pressure breaker, and wherein a is overall structure figure, and b is a decomposition view;

Fig. 8 is the view of magnet steel seat in the utility model handle-driving mechanism of low-pressure breaker;

Fig. 9 is the view of the utility model handle-driving mechanism of low-pressure breaker middle gear;

Figure 10 is " L " type locating rack and a rank piece view in the utility model handle-driving mechanism of low-pressure breaker, and wherein a is a front view, and b is a left view, and c is a vertical view;

Figure 11 is the utility model handle-driving mechanism of low-pressure breaker system controlled by computer computer programme flow diagram.

Embodiment:

The structure of handle-driving mechanism of low-pressure breaker such as Fig. 1, Fig. 2, shown in Figure 3, Fig. 4, Fig. 5 are the views of shifting shaft and tooth bar, Fig. 6, Fig. 7 be close, separating brake is to bit detector integral body and decomposition view, Fig. 8, Fig. 9, Figure 10 are the views of magnet steel seat, gear and " L " type locating rack, rank piece.

Handle-driving mechanism is mainly by lever operated driver, and lever operated manipulator, handle close/and separating brake forms to bit detector and lever operated stop four parts.The structure of lever operated driver is, " several " font support body 42 is fixed on the later half position of base plate 1 by symmetrical 4 screws 47, inner distance bottom 3 centimeters of support body 42 are equipped with the lower surface, motor 61 is fastened on the middle part of support body 42 its right end face by 4 screws 62, the axle of motor 61 is bonded together with an end of gear 43, and the other end of gear 43 is packed in the through hole at support body 42 left end face middle part through bearing 44 and circlip for hole 45.What mesh together with gear 43 is the tooth bar of vertically installing 21, insert respectively in the hole of 2 covers 22 at the two ends up and down of tooth bar 21, overlap 22 profiles for falling " protruding " type hollow cylinder body structure, the upper end external diameter is greater than the through-hole diameter of support body 42 end faces, the lower end external diameter is identical with through-hole diameter, and 2 covers 22 are fixed in the manhole at support body 42 upper and lower end face middle parts respectively tightly by the mode of clamping; The diameter of tooth bar 21 matches with the aperture of cover 22, to guarantee that tooth bar 21 is under gear 43 drives, its upper and lower side does not have frictional resistance when moving up and down in cover 22, while, 2 covers 22 defined the movement locus of tooth bar 21, prevent from when tooth bar 21 from moving up and down the offset of all around and inclination etc. takes place and influence the good engagement of tooth bar 21 and gear 43, cause lever operated inaccurate.The structure of lever operated manipulator is that " protruding " type is stirred axle bed 20 is fixed on tooth bar 21 middle parts by 2 screws 19 the place ahead, the right side that " protruding " type is stirred axle bed 20 is installed with shifting shaft 18 and following shifting shaft 17, and the spacing of last shifting shaft 18 and following shifting shaft 17 is 3 centimetres.Handle closes/and separating brake to the structure of bit detector is: and the minor face of " L " type locating rack 28 is fixed on the position, upper back of the left end face inboard of support body 42 by 2 screws 41, there is a bar shaped position probing through hole on the long limit of locating rack 28, the dead ahead correspondence of through hole be cylinder bodily form stroke magnet steel seat 23, magnet steel seat 23 is fixed in the screwed hole of tooth bar 21 rear side teeth tops.Closing position transducer 26 is packed in closing position through 2 nuts 15 and adjusts in the through hole of piece 27, and adjustment screw 24 is solidly installed by the screwed hole and the closing position adjustment piece 27 at rear portion, support body 42 upper surface; Separating brake position transducer 30 is packed in the separating brake position through 2 nuts 16 and adjusts in the through hole of piece 29, rank piece 32 is welded on the lower end of bar shaped position probing through hole on the long limits of " L " type locating rack 28, adjusts screw 33 precession from the screwed hole of rank piece 32 and is solidly installed with separating brake position adjustment piece 29.The induction of signal end of closing position transducer 26 and separating brake position transducer 30 is inserted into the upper and lower position in the bar shaped position probing through hole on the locating rack 28 long limits respectively; The terminals of closing position transducer 26 and separating brake position transducer 30 respectively with close, the separating brake position detecting circuit links to each other.The structure of lever operated stop is, the upper and lower position of anterior bar shaped limiting through hole, support body 42 left sides is being welded combined floodgate guide vane end stop 38 and separating brake guide vane end stop 36 respectively, combined floodgate caging bolt 40 is by in the screwed hole of nut 39 precession combined floodgate guide vane end stops 38, and separating brake caging bolt 34 is by in the screwed hole of nut 35 precession separating brake guide vane end stops 36.

The last shifting shaft 18 of described lever operated manipulator is identical with the structure of following shifting shaft 17, be: screw 58 passes the through hole of stirring on the axle bed 20 and is locked at through spring shim 56, pad 57 by nut 60 and stirs on the axle bed 20, screw 58 tops are with cylindrical plastic sleeve pipe 59, can avoid damage when stirring the test product handle, simulate the flexible operation of staff well handle.

The structure of described tooth bar 21 is, global shape is a cylinder, and the middle-end rear portion is one section rack structure with gear 43 corresponding positions, and the tooth pitch of tooth bar 21 matches with the tooth pitch of gear 43; The screwed hole internal fixation of tooth bar 21 rear side teeth top cylinder bodily form stroke magnet steel seat 23, installing buting iron 37 in the screwed hole in the left side, lower end of tooth bar 21, buting iron 37 passes the basifacial bar shaped limiting through hole of support body 42 left ends, and the height of bar shaped limiting through hole is identical with the height that locating rack 28 is grown bar shaped position probing through hole on the limits.

Described handle closes/and separating brake is in bit detector and lever operated stop, by adjusting the spacing between screw 24 and adjustment screw 33 scalable closing position transducers 26 and the separating brake position transducer 30, the spacing between combined floodgate caging bolt 40 and separating brake caging bolt 34 afterbodys is also adjustable; Close/spacing between the separating brake position transducer with close/spacing between separating brake caging bolt afterbody should be consistent.Magnet steel seat 23 moves up and down with tooth bar 21, and its upper limit of movement position and lower position are respectively closing position transducer 26 and separating brake position transducer 30 residing horizontal levels; When buting iron 37 moved up and down with tooth bar 21, its upper limit of movement position and lower position were respectively the afterbody of combined floodgate caging bolt 40 and separating brake caging bolt 34.During operate as normal, when magnet steel seat 23 moved to upper limit position/lower position with tooth bar 21, the test product handle had been finished combined floodgate/sub-switching operation, and at this moment, motor 61 is answered stall, and tooth bar 21 stops to continue upwards/motion down, in order to avoid excessive operation is damaged the handle of test product; If not stop motion of tooth bar 21, this moment, buting iron 37 also arrived its upper limit position/lower position, and combined floodgate guide vane end stop 38/ separating brake guide vane end stop 36 will block buting iron 37, stoped tooth bar 21 to continue upwards/motion down by force, and protection test product handle is not damaged.Thus, handle close/separating brake coordinates to finish the processing that puts in place of handle combined floodgate/separating brake to bit detector and lever operated stop are common.

Described handle closes/and that separating brake is adjusted screw 24 in the bit detector is identical with screw 33 structures, is a kind of fluting long cylinder screw, and pin 25 embeds in the groove of adjusting screws 24 itself and closing position adjustment piece 27 is solidly installed; Pin 31 embeds in the groove of adjusting screw 33 itself and separating brake position adjustment piece 29 is solidly installed.

Described stroke magnet steel seat 23 is the special workpiece of cylinder, and an end is a threaded screws, is packed in the screwed hole of tooth bar 21 upper rear, and other end middle part embeds a little magnetic cylinder.

Described closing position transducer 26 and separating brake position transducer 30 adopts general Hall element, and an end is the magnetic signal induction end, and facing to the stroke magnet steel seat 23 in the place ahead, the other end is terminals, with close, the separating brake position detecting circuit links to each other.

The structure of described gear 23 is, global shape is a cylinder, mainly is divided into three parts, and top bodies is a cylinder, and the thin cylinder of the band groove of 1-2 centimeter length is arranged foremost, is used for bearing set 44 and nested circlip for hole 45; The middle part is the teeth structure; Afterbody is a cylinder, and its diameter is identical with the top, and inside has the hole of band groove, and its geomery matches with the profile of the axle of motor 61, so that the axle tightening key of gear 23 afterbodys and motor 61 is lumped together.

One of the utility model work operational mode is as follows: Figure 11 is the utility model handle-driving mechanism of low-pressure breaker system controlled by computer computer programme flow diagram.Used microcomputer is the general industry controller.Control circuit gives motor 61 energisings, motor 61 is just changeing, and drives the gear 43 that links to each other with motor and makes clockwise circular motion, and the tooth bar 21 that is meshed with gear 43 is moving linearly upwards, be packed in the also moving linearly upwards of shifting shaft on the tooth bar 21, stir the test product handle and carry out closing operation; Handle closes a floodgate and does not put in place, and shifting shaft continues to move upward; When the cylinder bodily form stroke magnet steel seat 23 that installs on the tooth bar 21 moves upward to when being in same horizontal level with closing position transducer 26, handle closes a floodgate and puts in place, close, the separating brake position detecting circuit detects the handle signal of telecommunication that puts in place that closes a floodgate, control circuit gives motor 61 outages, the motor stall, the handle operation mechanism stop motion, handle remains on "on" position, and the handle closing operation is finished.Wait for the sub-switching operation order, when not receiving the sub-switching operation order, handle remains on "on" position; If receive the sub-switching operation order, control circuit gives motor 61 energisings again, motor 61 counter-rotatings, the gear 43 that drive links to each other with motor is made counterclockwise circular motion, the tooth bar 21 downward moving linearlies that are meshed with gear 43, be packed in the also downward moving linearly of shifting shaft on the tooth bar 21, stir the test product handle and carry out sub-switching operation; The handle separating brake does not put in place, and shifting shaft continues to move downward; When the cylinder bodily form stroke magnet steel seat 23 that installs on the tooth bar 21 moves downward when being in same horizontal level with separating brake position transducer 30, the handle separating brake puts in place, close, the separating brake position detecting circuit detects the handle separating brake signal of telecommunication that puts in place, control circuit gives motor 61 outages, the motor stall, the handle operation mechanism stop motion, handle remains on gate-dividing state, and the handle sub-switching operation is finished.Wait for next on/off switch operational order, do not receive operational order, control circuit withdraws from the control to handle-driving mechanism, and handle remains on gate-dividing state; If receive next on/off switch operational order, control circuit will repeat above-mentioned on/off switch operating process.

The utility model handle-driving mechanism has been realized the gentle action of stirring handle of anthropomorphic dummy's have gentle hands well, and to single test product handle combined floodgate, sub-switching operation process, required time is consistent with people's manual manipulation; But low-voltage circuit breaker is manual electrical equipment, and the traditional experiment method is the manual operation handle, and labour intensity is very big, and handle-driving mechanism can greatly reduce experimenter's labour intensity after substituting manual operation; In addition, handle-driving mechanism is operated by system controlled by computer, can realize that many bench teat product test simultaneously, thereby improves test efficiency.

The utility model is not addressed part and is applicable to prior art.

Claims (6)

1. a handle-driving mechanism of low-pressure breaker is characterized by this mechanism by lever operated driver, and lever operated manipulator, handle close/and separating brake forms to bit detector and lever operated stop four parts;

Wherein the structure of lever operated driver is, the support body inside bottom is equipped with the lower surface, support body is packed in the later half position of base plate, motor is packed in the middle part of support body its right end face, the axle of motor is bonded together with an end of gear, the other end of gear is packed in the through hole at support body left end face middle part through bearing and circlip for hole, with gears engaged together be the tooth bar of vertically installing, the two ends up and down of tooth bar are set in 2 covers, and 2 covers are packed in the through hole at the upper and lower end face of support body middle part; The structure of lever operated manipulator is: stir the place ahead that axle bed is packed in the tooth bar middle part, the right side of stirring axle bed is installed with shifting shaft and following shifting shaft.Handle closes/and separating brake to the structure of bit detector is, the minor face of " L " type locating rack is packed in the position, upper back of the left end face inboard of support body, there is a bar shaped position probing through hole on the long limit of locating rack, the dead ahead correspondence of through hole be cylinder bodily form stroke magnet steel seat, magnet steel seat is fixed in the screwed hole of tooth bar rear side teeth tops; The closing position transducer is packed in closing position and adjusts in the through hole of piece, and the adjustment screw is solidly installed by the screwed hole and the closing position adjustment piece at rear portion, support body upper surface; The separating brake position transducer is packed in the separating brake position and adjusts in the through hole of piece, and the rank piece is packed in the lower end of bar shaped position probing through hole on the long limit of " L " type locating rack, adjusts screw precession from the screwed hole of rank piece and is solidly installed with separating brake position adjustment piece; The induction of signal end of closing position transducer and separating brake position transducer is inserted into the upper and lower position in the bar shaped position probing through hole on the long limit of locating rack respectively; The terminals of closing position transducer and separating brake position transducer respectively with close, the separating brake position detecting circuit links to each other.The structure of lever operated stop is, the upper and lower position of anterior bar shaped limiting through hole, support body left side is installing combined floodgate guide vane end stop and separating brake guide vane end stop respectively, the combined floodgate caging bolt is by in the screwed hole of nut precession combined floodgate guide vane end stop, and the separating brake caging bolt is by in the screwed hole of nut precession separating brake guide vane end stop.

2. handle-driving mechanism of low-pressure breaker according to claim 1, the last shifting shaft that it is characterized by described lever operated manipulator is identical with the structure of following shifting shaft, pass the through hole of stirring on the axle bed for screw and be locked at through spring shim, pad by nut and stir on the axle bed, the screw top is with the cylindrical plastic sleeve pipe.

3. handle-driving mechanism of low-pressure breaker according to claim 1, the structure that it is characterized by described tooth bar be, global shape is a cylinder, and corresponding position with gear, middle-end rear portion is one section rack structure, and the tooth pitch of tooth bar matches with the tooth pitch of gear; The upper rear of tooth bar is installing cylinder bodily form stroke magnet steel seat; The left side, lower end of tooth bar is installing buting iron, and buting iron passes the basifacial bar shaped limiting through hole of support body left end.

4. the height of bar shaped position probing through hole is identical on the handle-driving mechanism of low-pressure breaker according to claim 1, the height that it is characterized by the bar shaped limiting through hole and the long limit of locating rack.

5. handle-driving mechanism of low-pressure breaker according to claim 1, it is characterized by described handle to close/separating brake is a kind of fluting long cylinder screw to the adjustment screw in the bit detector, pin embeds in the groove of adjusting screw itself and combined floodgate/separating brake position adjustment piece is solidly installed.

6. handle-driving mechanism of low-pressure breaker according to claim 1, it is characterized by described stroke magnet steel seat is cylindrical workpiece, and an end is a threaded screws, is packed in the rear portion of tooth bar upper end, and other end middle part embeds a little magnetic cylinder.

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