CN204651234U - A kind of fixed five-prevention operation mechanism of QH2 type mesohigh - Google Patents
A kind of fixed five-prevention operation mechanism of QH2 type mesohigh Download PDFInfo
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- CN204651234U CN204651234U CN201520413709.4U CN201520413709U CN204651234U CN 204651234 U CN204651234 U CN 204651234U CN 201520413709 U CN201520413709 U CN 201520413709U CN 204651234 U CN204651234 U CN 204651234U
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- circuit breaker
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Abstract
The utility model discloses a kind of fixed five-prevention operation mechanism of QH2 type mesohigh, comprise casing assembly, close a floodgate and separating brake control assembly, wherein, casing assembly comprises front panel, middle fixed head and spacing base plate, middle fixed head comprises at least two, each middle fixed head is interconnected to form body structure, this body structure inside is cavity structure, so that setup control unit, front panel is arranged on the front side of middle fixed head, spacing base plate is fixedly installed on the rear side of middle fixed head, form the mounting structure of integration, spacing base plate is fixedly installed on high-voltage board casing, so that fixing whole casing assembly, to close a floodgate and separating brake control assembly card is established and is fixed on casing assembly, and with the isolation knife of middle-high voltage switch, cutter and circuit breaker be connected so that control isolation knife, the cut-offfing of cutter and circuit breaker, realize combined floodgate and the sub-switching operation of middle-high voltage switch.The utility model adopts integrated design, and structure is simple, and amount of parts is few, stable connection.Dismounting debugging is convenient and swift.Block the design of handle hole enclosed type, very clear.
Description
Technical field
The utility model relates to mesohigh power transmission and distribution field, refers in particular to a kind of fixed five-prevention operation mechanism of QH2 type mesohigh.
Background technology
" mechanical interlocking " of high-tension switch cabinet is the important measures guaranteed equipment and personal safety, prevent misoperation." five prevent " comprising: prevent on-load from dividing, close isolating switch stab contact; Prevent by mistake point, falsely close circuit breaker; Circuit breaker is closed when preventing earthed switch to be in make position; Prevent from closing earthed switch in charged mistiming; Prevent mistakenly entering into charged compartment, above-mentioned five contents preventing electric misoperation, are called for short " five prevent "." five prevent " device generally can be divided into machinery, electric and comprehensive three classes.
1, the interlocking of isolating switch and circuit breaker prevents on-load from dividing, closes isolating switch:
1, only have when breaker contacts device is in gate-dividing state, isolating switch just can carry out a point closing operation.
2, only have when isolating switch is at closing position, the electric control loop of isolating switch could be connected, and the interlocking simultaneously stoping breaker contacts device to close a floodgate could unlock, and breaker contacts device could close a floodgate.
3, when isolating switch open position, electric closing circuit and the combined floodgate machine driven system of breaker contacts device are all blocked, and breaker contacts device can not close a floodgate.
2, the interlocking of isolating switch and earthed switch prevent from being with ground cutter to close a floodgate, prevent charged close cutter:
1, only have when isolating switch is in open position, the interlocking that isolating switch stops switch cabinet grounding switch to close could unlock, and at this moment the earthed switch of switch cubicle could close a floodgate.
2, when earthed switch is in "on" position, the interlock on earthed switch operating axis will stop isolator operation, can not close a floodgate to make isolating switch.
3, between earthed switch and cable vault's cover plate, the interlocking of Xiamen prevents mistakenly entering into charged compartment: only have when earthed switch is in "on" position, and the Xiamen of switch cubicle just can be opened, and also only when cable vault and lower door termination, earthed switch just can separating brake.
Because of the fixed breaker of XGN15-12 cabinet type, isolation knife, the scheme of earthing combination can combine with on-load switch, its breaker protection function that is cheap and that have extensively is welcome by terminal use, because domestic XGN15-12 Medium Voltage Switchgear is in imitated state, and circuit breaker, isolating switch, earthed switch combination can be used for reference without ready-made five anti-technology, its five anti-mechanical chain is extremely simple and crude, be fixed on separately on casing by the part fallen apart when mounted, although can practical function, but not easily Installation and Debugging, easily stuck during use, market also have integrally-built, but the scheme adopted is not directly perceived, easily cause misoperation, damage interlocking gear.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and provide a kind of and adopt integrated design, structure is simple, and amount of parts is few, stable connection, and the fixed five-prevention operation mechanism of conveniently QH2 type mesohigh is debugged in dismounting.
The technical scheme that the utility model is taked is as follows: a kind of fixed five-prevention operation mechanism of QH2 type mesohigh, comprise casing assembly, close a floodgate and separating brake control assembly, wherein, above-mentioned casing assembly comprises front panel, middle fixed head and spacing base plate, middle fixed head comprises at least two, each middle fixed head is interconnected to form body structure, this body structure inside is cavity structure, so that setup control unit, front panel is arranged on the front side of middle fixed head, above-mentioned spacing base plate is fixedly installed on the rear side of middle fixed head, form the mounting structure of integration, spacing base plate is fixedly installed on high-voltage board casing, for the position of fixing isolating switch and earthed switch operating axis, make it point-blank, to be connected and fixed whole casing assembly, above-mentioned combined floodgate and separating brake control assembly card are established and are fixed on casing assembly, and are connected with the isolation knife of Medium Voltage Switchgear, earthing and circuit breaker, to control cut-offfing of isolation knife, earthing and circuit breaker, realize combined floodgate sub-switching operation and the interlock of high-voltage board.
Preferably, described combined floodgate and separating brake control assembly comprise interlock board, circuit breaker jam plate, earthing jam plate, isolation knife deciliter indicating dial, earthing deciliter indicating dial, dial rod, circuit breaker connecting rod and Xiamen connecting rod.
Preferably, described interlock board is platy structure, and interlock board is fixed on middle fixed head by rotating shaft, and interlock board rotates freely around the shaft; The both sides of interlock board are welded with lead respectively, and lead is inserted in the gathering sill of isolation knife deciliter indicating dial and earthing deciliter indicating dial.
Preferably, described circuit breaker jam plate and earthing jam plate offer chute respectively, be inserted with in both chutes and dial rod, dial rod through the chute of circuit breaker jam plate and earthing jam plate in case by circuit breaker jam plate and earthing jam plate spacing fixing, dial rod and be free to slide in chute.
Preferably, described isolation knife deciliter indicating dial and an earthing deciliter indicating dial are stereochemical structure, and both are separately positioned on the left and right sides of front panel, and both middle parts have handle hole.
Preferably, described isolation knife deciliter indicating dial and an earthing deciliter indicating dial are fixedly installed on operating axis respectively, and rotate with operating axis; Operating axis through above-mentioned middle fixed head and rear mounting panel, and is connected on middle fixed head and rear mounting panel by operating axis rear axle housing.
Preferably, described isolation knife deciliter indicating dial and an earthing deciliter indicating dial forward part are circular plate-like shape structure, both inner sides are provided with the connecting portion of arc, this connecting portion offers chute, chute extends along the side of connecting portion, form sliding space, above-mentioned lead is plugged in chute, and slides along the sliding space of chute with the rotation of isolation knife deciliter indicating dial and earthing deciliter indicating dial.
Preferably, two described operating axis are respectively equipped with the 3rd pendulum of the left and right sides, the 3rd pendulum is oval cam platy structure, and is fixedly installed with operating axis.
Preferably, the bottom of the 3rd pendulum in described left side is provided with circuit breaker connecting rod, the top of circuit breaker connecting rod is provided with the connecting plate of platy structure, the bottom of circuit breaker connecting rod is connected with circuit breaker lock, circuit breaker connecting rod cover has Compress Spring, 3rd pendulum presses connecting plate to make circuit breaker connecting rod move downward, and makes circuit breaker not carry out closing operation; The bottom of the 3rd pendulum on above-mentioned right side is provided with Xiamen connecting rod, the top of Xiamen connecting rod is provided with the connecting plate of platy structure, the bottom of Xiamen connecting rod is connected with Xiamen, Xiamen connecting rod cover has Compress Spring, 3rd pendulum presses connecting plate to make Xiamen connecting rod move downward, and the Xiamen of high-voltage board and a room can not be opened.
Preferably, the rearward end of the action bars on described right side is connected with earthing operating axis, earthing operating axis through high-voltage board casing, and is fixed on high-voltage board casing by stop collar; The bottom of earthing operating axis is connected with earthing connecting rod, and earthing operating axis rotarily drives earthing connecting rod and moves up and down, to control combined floodgate and the separating brake of earthing.
The beneficial effects of the utility model are:
The defect that the utility model exists for prior art and deficiency carry out reformed AHP, devise a kind of entirety and make five anti-interlocking devices, this mechanism is by the install bin body structure of a kind of entirety of design, each control assembly integration is assemblied in and installs in casing, during dismounting, only need unified for whole body structure dismounting or install, greatly decreasing dismounting difficulty; Simultaneously, adopt and the diverse transmission of prior art and control structure, reformed AHP in addition in mechanism driving principle, by have devised isolation knife deciliter indicating dial and the ground cutter deciliter indicating dial of similar uniquely, both are Circular plate structure, and inner side is respectively equipped with the connecting portion of arc, this connecting portion offer the chute extended along connecting portion side, have handle hole in the middle part of two indicating dials, and be connected with the action bars of inner side respectively; Corresponding indicating dial, devise a kind of interlock board originally, this interlock board is platy structure, and interlock board both sides are respectively equipped with lead, lead is plugged in chute, and be free to slide along chute, rotating operation axle, drive one of them indicating dial to rotate, lead is slided in chute, interlock board rotates around the shaft under the drive of lead, makes the other end of interlock board by the blocking of the handle hole of another indicating dial or opens, thus realizing interlock function; In addition, devise circuit breaker jam plate and earthing jam plate, two jam plates are also provided with chute, and rod is interspersed to be connected by dialling, circuit breaker deciliter band moved teasing bar, realizes the function of lock for circuit breaker isolation knife and earthing.In addition, operating axis is provided with the 3rd pendulum, and the 3rd pendulum bottom is provided with circuit breaker connecting rod or Xiamen connecting rod accordingly, and the 3rd pendulum is oval platy structure, it rotates voltage breaker connecting rod or Xiamen connecting rod at present, to realize the function controlling circuit breaker and Xiamen; The drive path hinge structure of package unit shortens dramatically, and substantially increases the instability of transmission stability and artificial installation factor.
Accompanying drawing explanation
Fig. 1 is the front view after the utility model removes header board.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is the end view of Fig. 2.
Fig. 4 is the structural representation of the utility model closing operation step 1.
Fig. 5 is the structural representation of the utility model closing operation step 2.
Fig. 6 is the structural representation of the utility model closing operation step 3.
The structural representation of step 1 when Fig. 7 is the utility model sub-switching operation.
The structural representation of step 2 when Fig. 8 is the utility model sub-switching operation.
The structural representation of step 3 when Fig. 9 is the utility model sub-switching operation.
In figure: 01, high-voltage board casing, 1, copper axle, 2, face is pasted, 3, front panel, 4, slide plate, 5, middle fixed head, 6, rear mounting panel, 7, spacing base plate, 8, guide plate, 9, operating axis, 10, isolation knife deciliter indicating dial, 11, earthing deciliter indicating dial, 12, operating axis rear axle housing, 13, first pendulum, 14, dial rod, 15, power transmission shaft, 16, second pendulum, 17, upper binding head, 18, circuit breaker pitman, 19, lower union joint, 20, pin, 21, ground cutter shaft, 22, ground cutter connecting rod, 23, stop collar, 24, Xiamen connecting rod, 25, circuit breaker connecting rod, 26, circuit breaker jam plate, 27, earthing jam plate, 28, pitman, 29, spring, 30, position-limiting tube, 31, 3rd pendulum, 32, interlock board, 33, chute, 34, lead.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1 to Figure 3, the technical scheme that the utility model is taked is as follows: a kind of fixed five-prevention operation mechanism of QH2 type mesohigh, comprise casing assembly, close a floodgate and separating brake control assembly, wherein, above-mentioned casing assembly comprises front panel 3, middle fixed head 5 and spacing base plate 7, middle fixed head 5 comprises at least two, each middle fixed head 5 is interconnected to form body structure, this body structure inside is cavity structure, so that setup control unit, front panel 3 is arranged on the front side of middle fixed head 5, above-mentioned spacing base plate 7 is fixedly installed on the rear side of middle fixed head 5, form the mounting structure of integration, spacing base plate 7 is fixedly installed on high-voltage board casing 01, for the position of fixing isolating switch and earthed switch operating axis, make it point-blank, to be connected and fixed whole casing assembly, above-mentioned combined floodgate and separating brake control assembly card are established and are fixed on casing assembly, and are connected with the isolation knife of Medium Voltage Switchgear, earthing and circuit breaker, to control cut-offfing of isolation knife, earthing and circuit breaker, realize combined floodgate sub-switching operation and the interlock of high-voltage board.
Combined floodgate and separating brake control assembly comprise interlock board 32, circuit breaker jam plate 26, earthing jam plate 27, isolation knife deciliter indicating dial 10, earthing deciliter indicating dial 11, dial rod 14, circuit breaker connecting rod 25 and Xiamen connecting rod 24.
Interlock board 32 is platy structure, and interlock board 32 is fixed on middle fixed head 5 by rotating shaft, and interlock board 32 rotates freely around the shaft; The both sides of interlock board 32 are welded with lead 34 respectively, and lead is inserted in the gathering sill of isolation knife deciliter indicating dial 10 and earthing deciliter indicating dial 11.
Circuit breaker jam plate 26 and earthing jam plate 27 offer chute respectively, be inserted with in both chutes and dial rod 14, dial rod 14 through the chute of circuit breaker jam plate 26 and earthing jam plate 27 in case by circuit breaker jam plate 26 and earthing jam plate 27 spacing fixing, dial rod 14 and be free to slide in chute.
Isolation knife deciliter indicating dial 10 and earthing deciliter indicating dial 11 are stereochemical structure, and both are separately positioned on the left and right sides of front panel 3, and both middle parts have handle hole.
Isolation knife deciliter indicating dial 10 and earthing deciliter indicating dial 11 are fixedly installed on operating axis 9 respectively, and rotate with operating axis 9; Operating axis 9 through above-mentioned middle fixed head 5 and rear mounting panel 6, and is connected on middle fixed head 5 and rear mounting panel 6 by operating axis rear axle housing 12.
Isolation knife deciliter indicating dial 10 and earthing deciliter indicating dial 11 forward part are circular plate-like shape structure, both inner sides are provided with the connecting portion of arc, this connecting portion offers chute 33, chute 33 extends along the side of connecting portion, form sliding space, above-mentioned lead is plugged in chute 33, and along chute 33 sliding space with isolation knife deciliter indicating dial 10 and earthing deciliter indicating dial 11 rotation and slide.
The 3rd pendulum the 31, three pendulum 31 two operating axis 9 being respectively equipped with the left and right sides is oval cam platy structure, and is fixedly installed with operating axis 9.
The bottom of the 3rd pendulum 31 in left side is provided with circuit breaker connecting rod 25, the top of circuit breaker connecting rod 25 is provided with the connecting plate of platy structure, the bottom of circuit breaker connecting rod 25 is connected with circuit breaker lock, circuit breaker connecting rod 25 cover has Compress Spring, 3rd pendulum 31 presses connecting plate to make circuit breaker connecting rod 25 move downward, and makes circuit breaker not carry out closing operation; The bottom of the 3rd pendulum 31 on above-mentioned right side is provided with Xiamen connecting rod 24, the top of Xiamen connecting rod 24 is provided with the connecting plate of platy structure, the bottom of Xiamen connecting rod 24 is connected with Xiamen, Xiamen connecting rod 24 cover has Compress Spring, 3rd pendulum 31 presses connecting plate to make Xiamen connecting rod 24 move downward, and the Xiamen of high-voltage board and a room can not be opened.
The rearward end of the action bars 9 on right side is connected with earthing operating axis 21, and earthing operating axis 21 through high-voltage board casing 01, and is fixed on high-voltage board casing 01 by stop collar 23; The bottom of earthing operating axis 21 is connected with earthing connecting rod 22, and earthing operating axis 21 rotarily drives earthing connecting rod 22 and moves up and down, to control combined floodgate and the separating brake of earthing 22.
Further, the utility model devises a kind of entirety and makes five anti-interlocking devices, this mechanism is by the install bin body structure of a kind of entirety of design, each control assembly integration is assemblied in and installs in casing, during dismounting, only need unified for whole body structure dismounting or install, greatly decreasing dismounting difficulty; Simultaneously, adopt and the diverse transmission of prior art and control structure, reformed AHP in addition in mechanism driving principle, by have devised isolation knife deciliter indicating dial and the ground cutter deciliter indicating dial of similar uniquely, both are Circular plate structure, and inner side is respectively equipped with the connecting portion of arc, this connecting portion offer the chute extended along connecting portion side, have handle hole in the middle part of two indicating dials, and be connected with the action bars of inner side respectively; Corresponding indicating dial, devise a kind of interlock board originally, this interlock board is platy structure, and interlock board both sides are respectively equipped with lead, lead is plugged in chute, and be free to slide along chute, rotating operation axle, drive one of them indicating dial to rotate, lead is slided in chute, interlock board rotates around the shaft under the drive of lead, makes the other end of interlock board by the blocking of the handle hole of another indicating dial or opens, thus achieving chain operation; In addition, devise circuit breaker jam plate and earthing jam plate, two jam plates are also provided with chute, and rod is interspersed to be connected by dialling, circuit breaker deciliter band moved teasing bar, realizes the function of lock for circuit breaker isolation knife and earthing.In addition, operating axis is provided with the 3rd pendulum, and the 3rd pendulum bottom is provided with circuit breaker connecting rod or Xiamen connecting rod accordingly, and the 3rd pendulum is oval platy structure, it rotates voltage breaker connecting rod or Xiamen connecting rod at present, to realize the function controlling circuit breaker and Xiamen; The drive path hinge structure of package unit shortens dramatically, and substantially increases transmission stability.
Further, as shown in Figures 4 to 6, for the step 1 of the utility model combined floodgate power transmission operation is to the structural representation of step 3, Fig. 4 is the step 1 of combined floodgate power transmission operation, in this step 1, initial state is, isolation knife is divided, earthing divides, circuit breaker divides, two handle holes of isolation knife indicating dial and earthing indicating dial are not all plugged, all can operate, 3rd pendulum presses down, circuit breaker can not close a floodgate, Xiamen can not be opened, under this initial state, operating grip is inserted in the handle hole of isolation knife indicating dial, and the operating axis in the left side that turns clockwise, make isolation knife indicating dial corresponding to conjunction state, the operating axis in left side drives the 3rd pendulum in left side to rotate simultaneously, 3rd pendulum rotates to upper left, release circuit breaker connecting rod, circuit breaker connecting rod under the action of the spring on move, circuit breaker unlocks, meanwhile, isolation knife indicating dial drives lead to slide by the chute in it, and lead drives interlock board to be rotated counterclockwise, and makes the right side of interlock board block handle hole on the earthing indicating dial on right side, forms the configuration state schematic diagram of the step 2 shown in Fig. 5, as shown in Figure 5, for the status architecture schematic diagram of the step 2 of combined floodgate power transmission operation, in this figure, isolation knife is closed, earthing divides, circuit breaker divides, east side operation hole is plugged, earthing can not operate, circuit breaker can close a floodgate, close circuit breaker in this condition, circuit breaker is driven moved teasing bar moved upward along vertical slot by connecting rod, the second pendulum, power transmission shaft, dialling rod drives circuit breaker jam plate and ground cutter jam plate to move upward by the chute on circuit breaker jam plate and earthing jam plate, and both rotating shafts around its top rotate and sheltered from by the handle hole of the left and right sides respectively, as shown in Figure 6, be the status architecture schematic diagram of the step 3 of combined floodgate power transmission operation, in this figure, isolation knife close, cutter divide, circuit breaker close, complete combined floodgate, circuit breaker jam plate and earthing jam plate block two handle holes in left and right respectively, and isolation knife and earthing all can not operate.
Further, as shown in Figure 7 to 9, for the step 1 of the utility model separating brake power operation is to the status architecture schematic diagram of step 3, be illustrated in figure 7 the status architecture schematic diagram of the step 1 of separating brake power operation, this figure is State Transferring shown in Fig. 6 again, breaker open operation, circuit breaker release is to the pressure dialling rod, dial rod to glide at spring 29, the handle hole of left and right sides is all opened, interlock board still blocks the earthing handle hole on right side, in this figure, isolation knife is closed, earthing divides, circuit breaker divides, breaker open operation, isolation knife can be divided, interlock board still blocks the earthing handle hole on right side, earthing can not operate, be illustrated in figure 8 the status architecture schematic diagram of the step 2 of separating brake power operation, in this figure, isolation knife is divided, cutter divides, circuit breaker divides, isolation knife is divided, and is switched to by the state of Fig. 7 to Fig. 8, operating grip is inserted in the handle hole in left side, isolation knife indicating dial is rotated counterclockwise, and lead is sliding in chute, drives interlock board to turn clockwise, the handle hole on right side is opened, can operational grounding cutter, as shown in Figure 9, be the status architecture schematic diagram of the step 3 of separating brake power-off inspection operation, in this figure, isolation knife is divided, cutter closes, circuit breaker divides, the handle hole in left side is blocked, and the handle hole on right side is opened, and is inserted by operating grip in east side operation hole, and drive operating axis to be rotated counterclockwise, earthing indicating dial is rotated counterclockwise, and lead is sliding in chute, drives interlock board to turn clockwise, the handle hole in left side is blocked, and isolation knife can not operate, drive simultaneously right side the 3rd pendulum rotate, the 3rd pendulum is progressively separated with Xiamen connecting rod, lose to Xiamen connecting rod to pressure, one time, Xiamen room door can be opened, carry out service work, open down behind the door, Xiamen connecting rod under the action of the spring on move, block earthing handle hole.
Embodiment of the present utility model just introduces its embodiment, does not lie in and limits its protection range.The technical staff of the industry can make some amendment under the inspiration of the present embodiment, therefore all equivalences done according to the utility model the scope of the claims change or modify, and all belong within the scope of the utility model Patent right requirement.
Claims (10)
1. the fixed five-prevention operation mechanism of QH2 type mesohigh, it is characterized in that: comprise casing assembly, close a floodgate and separating brake control assembly, wherein, above-mentioned casing assembly comprises front panel (3), middle fixed head (5) and spacing base plate (7), middle fixed head (5) comprises at least two, each middle fixed head (5) is interconnected to form body structure, this body structure inside is cavity structure, so that setup control unit, front panel (3) is arranged on the front side of middle fixed head (5), above-mentioned spacing base plate (7) is fixedly installed on the rear side of middle fixed head (5), form the mounting structure of integration, spacing base plate (7) is fixedly installed on high-voltage board casing (01), for the position of fixing isolating switch and earthed switch operating axis, make it point-blank, to be connected and fixed whole casing assembly, above-mentioned combined floodgate and separating brake control assembly card are established and are fixed on casing assembly, and are connected with the isolation knife of Medium Voltage Switchgear, earthing and circuit breaker, to control cut-offfing of isolation knife, earthing and circuit breaker, realize combined floodgate sub-switching operation and the interlock of high-voltage board.
2. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 1, is characterized in that: described combined floodgate and separating brake control assembly comprise interlock board (32), circuit breaker jam plate (26), earthing jam plate (27), isolation knife deciliter indicating dial (10), earthing deciliter indicating dial (11), dial rod (14), circuit breaker connecting rod (25) and Xiamen connecting rod (24).
3. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 2, it is characterized in that: described interlock board (32) is platy structure, interlock board (32) is fixed on middle fixed head (5) by rotating shaft, and interlock board (32) rotates freely around the shaft; The both sides of interlock board (32) are welded with lead (34) respectively, and lead is inserted in the gathering sill of isolation knife deciliter indicating dial (10) and earthing deciliter indicating dial (11).
4. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 3, it is characterized in that: described circuit breaker jam plate (26) and earthing jam plate (27) offer chute respectively, be inserted with in both chutes and dial rod (14), dial rod (14) through the chute of circuit breaker jam plate (26) and earthing jam plate (27) in case by circuit breaker jam plate (26) and earthing jam plate (27) spacing fixing, dial rod (14) and be free to slide in chute.
5. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 4, it is characterized in that: described isolation knife deciliter indicating dial (10) and earthing deciliter indicating dial (11) are stereochemical structure, both are separately positioned on the left and right sides of front panel (3), and both middle parts have handle hole.
6. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 5, it is characterized in that: described isolation knife deciliter indicating dial (10) and earthing deciliter indicating dial (11) are fixedly installed on operating axis (9) respectively, and rotate with operating axis (9); Operating axis (9) through above-mentioned middle fixed head (5) and rear mounting panel (6), and is connected on middle fixed head (5) and rear mounting panel (6) by operating axis rear axle housing (12).
7. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 6, it is characterized in that: described isolation knife deciliter indicating dial (10) and earthing deciliter indicating dial (11) forward part are circular plate-like shape structure, both inner sides are provided with the connecting portion of arc, this connecting portion offers chute (33), chute (33) extends along the side of connecting portion, form sliding space, above-mentioned lead is plugged in chute (33), and along chute (33) sliding space with isolation knife deciliter indicating dial (10) and earthing deciliter indicating dial (11) rotation and slide.
8. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 7, it is characterized in that: the 3rd pendulum (31) described two operating axis (9) being respectively equipped with the left and right sides, 3rd pendulum (31) is oval cam platy structure, and is fixedly installed with operating axis (9).
9. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 8, it is characterized in that: the bottom of the 3rd pendulum (31) in described left side is provided with circuit breaker connecting rod (25), the top of circuit breaker connecting rod (25) is provided with the connecting plate of platy structure, the bottom of circuit breaker connecting rod (25) is connected with circuit breaker lock, circuit breaker connecting rod (25) cover has Compress Spring, 3rd pendulum (31) presses connecting plate to make circuit breaker connecting rod (25) move downward, and makes circuit breaker not carry out closing operation; The bottom of the 3rd pendulum (31) on above-mentioned right side is provided with Xiamen connecting rod (24), the top of Xiamen connecting rod (24) is provided with the connecting plate of platy structure, the bottom of Xiamen connecting rod (24) is connected with Xiamen, Xiamen connecting rod (24) cover has Compress Spring, 3rd pendulum (31) presses connecting plate to make Xiamen connecting rod (24) move downward, and the Xiamen of high-voltage board and a room can not be opened.
10. a kind of fixed five-prevention operation mechanism of QH2 type mesohigh according to claim 9, it is characterized in that: the rearward end of the action bars (9) on described right side is connected with earthing operating axis (21), earthing operating axis (21) through high-voltage board casing (01), and is fixed on high-voltage board casing (01) by stop collar (23); The bottom of earthing operating axis (21) is connected with earthing connecting rod (22), and earthing operating axis (21) rotarily drives earthing connecting rod (22) and moves up and down, to control combined floodgate and the separating brake of earthing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413709.4U CN204651234U (en) | 2015-06-16 | 2015-06-16 | A kind of fixed five-prevention operation mechanism of QH2 type mesohigh |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413709.4U CN204651234U (en) | 2015-06-16 | 2015-06-16 | A kind of fixed five-prevention operation mechanism of QH2 type mesohigh |
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| CN204651234U true CN204651234U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520413709.4U Expired - Fee Related CN204651234U (en) | 2015-06-16 | 2015-06-16 | A kind of fixed five-prevention operation mechanism of QH2 type mesohigh |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613479A (en) * | 2020-04-17 | 2020-09-01 | 亨斯迈(杭州)电力技术有限公司 | Novel five-prevention locking method |
| CN114050497A (en) * | 2021-12-13 | 2022-02-15 | 福建森达电气股份有限公司 | Prevention type handcart ground knife interlocking device |
-
2015
- 2015-06-16 CN CN201520413709.4U patent/CN204651234U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613479A (en) * | 2020-04-17 | 2020-09-01 | 亨斯迈(杭州)电力技术有限公司 | Novel five-prevention locking method |
| CN111613479B (en) * | 2020-04-17 | 2022-05-06 | 亨斯迈(杭州)电力技术有限公司 | Novel five-prevention locking method |
| CN114050497A (en) * | 2021-12-13 | 2022-02-15 | 福建森达电气股份有限公司 | Prevention type handcart ground knife interlocking device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180627 Address after: 518106 Gongming street, Guangming New District, Shenzhen, Guangdong, will be the 1 building, 11 C, Shijiazhuang first industrial zone, Shixia. Patentee after: Shenzhen Qi Heng Electric Co., Ltd. Address before: 251700 62 Tung Jia village, Xindian Township, Huimin County, Binzhou, Shandong Patentee before: Dong Dianping |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20190616 |