CN203871215U - Five-prevention interlocking device of high-voltage ring main unit - Google Patents
Five-prevention interlocking device of high-voltage ring main unit Download PDFInfo
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- CN203871215U CN203871215U CN201420205695.2U CN201420205695U CN203871215U CN 203871215 U CN203871215 U CN 203871215U CN 201420205695 U CN201420205695 U CN 201420205695U CN 203871215 U CN203871215 U CN 203871215U
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Abstract
The utility model discloses a five-prevention interlocking device of a high-voltage ring main unit. The five-prevention interlocking device comprises an installing plate and a cabinet door. A grounding switch-isolation switch interlocking mechanism, a vacuum switch-isolation switch interlocking mechanism and a cabinet door-grounding switch interlocking mechanism are arranged on the installing plate. According to the utility model, all the interlocking mechanisms are arranged on the same installing plate, so the interlocking device is novel and compact in structure, and occupies less space; the parts are interlocked stably and reliably; five-prevention requirements provided by the high-voltage ring main unit are effectively achieved; potential safety hazards are eliminated; and safety of life and property of a worker is ensured.
Description
Technical field
The utility model relates to high voltage electric equipment field, is specifically a kind of high-voltage ring main unit five-prevention interlocking device.
Background technology
The safe operation of system is always attached great importance in electric power system, but annual always generation, because of all kinds of accidents that electric operation causes, causes unnecessary loss.In order effectively to prevent from moving the person and the substantial equipment accident that misoperation of electrical equipment causes, China has just proposed the requirement of electric equipment " five is anti-" as far back as nineteen ninety, and has specified management, operation, the design and use principle of error-proof device with the form of regulation.
High-voltage ring main unit five-prevention interlocking device is the important component part of high-voltage ring main unit, and its safety to electric equipment and operating personnel plays decisive role.Traditional each interlocking device of high-voltage ring main unit five-prevention interlocking device is distributed in the different parts of high-voltage ring main unit, relatively disperse, each interlocking device is relatively independent, rely on each other some linkages to interlock, interlock parts are more, the more open complexity of structure, interlocking stability is each other not high, easy break-down.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of novel structure, compactness are provided, the reliable and stable high-voltage ring main unit five-prevention interlocking device of interlocking each other.
To achieve these goals, the technical solution of the utility model is as follows: a kind of high-voltage ring main unit five-prevention interlocking device, comprise mounting panel and cabinet door, described mounting panel is provided with earthed switch and isolating switch interlocking device, vacuum switch and isolating switch interlocking device, cabinet door and earthed switch interlocking device, described earthed switch and isolating switch interlocking device comprise ground connection rotating shaft, isolation rotating shaft, earthed crank arm, isolation connecting lever, axle sleeve one, axle sleeve two, back-moving spring one and back-moving spring two, axle sleeve one and axle sleeve two are arranged in juxtaposition, and vertically run through and be fixed on mounting panel simultaneously, ground connection rotating shaft is placed in axle sleeve one center, on the input of ground connection rotating shaft, be socketed with synchronize with ground connection rotating shaft rotate ground connection plug, ground connection plug and ground connection rotating shaft axial sliding fit, ground connection plug is placed between ground connection rotating shaft and the inwall of axle sleeve one, the output of ground connection rotating shaft is provided with earthed crank arm, in axle sleeve one, be provided with cascaded surface one, back-moving spring one is enclosed within ground connection rotating shaft, one end of back-moving spring one and cascaded surface one offset, the bottom of the other end and ground connection plug offsets, isolation rotating shaft is placed in axle sleeve two centers, isolation rotating shaft input on be socketed with isolate rotating shaft synchronize rotation isolation plug, isolation plug and isolation rotating shaft axial sliding fit, isolation plug is placed between isolation rotating shaft and the inwall of axle sleeve two, the output of isolation rotating shaft is provided with isolation connecting lever, in axle sleeve two, be provided with cascaded surface two, back-moving spring two is enclosed within isolation rotating shaft, one end of back-moving spring two and cascaded surface two offset, the other end offsets with the bottom of isolation plug, ground connection rotating shaft is provided with latch lever one, latch lever one extends radially out ground connection plug and axle sleeve one, on the sidewall of the sidewall of axle sleeve two and isolation plug, offer respectively for latch lever one and screw in to limit isolation plug arcuate socket two and deep-slotted chip breaker two in axial sliding in isolation rotating shaft, isolation rotating shaft is provided with latch lever two, latch lever two extends radially out isolation plug and axle sleeve two, on the sidewall of the sidewall of axle sleeve one and ground connection plug, offer respectively for latch lever two and screw in to limit ground connection plug arcuate socket one and deep-slotted chip breaker one in axial sliding in ground connection rotating shaft, described vacuum switch and isolating switch interlocking device comprise latch lever three, rotating shaft and for driving the shifting block of latch lever three axial motions, latch lever three is movably arranged on the right side of isolation plug, rotating shaft vertically runs through and is rotatably assorted on mounting panel, one end of rotating shaft is provided with switch output toggle arm, on shifting block, alongst offer strip through-hole one, one end of shifting block is fixedly connected with the other end of rotating shaft, latch lever three is provided with bearing pin one, bearing pin one embeds in strip through-hole one and is slidably matched with strip through-hole one, on the right side wall of axle sleeve two, offer the hole of passing and being slidably matched for latch lever three, on the sidewall of isolation plug, offer for latch lever three and insert to limit isolation plug chain hole one in axial sliding in isolation rotating shaft, described cabinet door and earthed switch interlocking device comprise swingle, torsion spring, push rod, plate and latch lever four, latch lever four is movably arranged on the left side of ground connection plug, swingle is longitudinally arranged on the back side of mounting panel, push rod is vertically located on swingle, torsion spring set is on swingle, the lower end of torsion spring is fixed on mounting panel, and upper end is stuck on push rod.Push rod is parallel with the plate face of mounting panel, the top of swingle is provided with the stripe board vertical with swingle, in stripe board, alongst offer strip through-hole two, the lower surface of plate and the upper surface of stripe board are bonded to each other and be slidably matched, one end of plate is fixedly connected with latch lever four, the other end is provided with bearing pin two, bearing pin two embeds in strip through-hole two and is slidably matched with strip through-hole two, on mounting panel, offer for plate pass and horizontally slip cooperation bar hole, on cabinet door, the position corresponding with push rod is provided with the pushing block for promoting push rod rotation, on mounting panel, the position corresponding with pushing block offers the square opening passing for pushing block, on the left side wall of axle sleeve one, offer the hole of passing and being slidably matched for latch lever four, on the sidewall of ground connection plug, offer for latch lever four and insert to limit ground connection plug chain hole two in axial sliding in ground connection rotating shaft, described cabinet door and earthed switch interlocking device also comprise connecting rod one, connecting rod two, rotating shaft, hook plate, hook plate seat, hook plate seat is fixed on the back side of mounting panel, earthed crank arm is provided with projection, one end of connecting rod one is hinged on projection, one end of the other end and connecting rod two is hinged, the other end of connecting rod two is fixedly connected with one end of rotating shaft, hook plate is hinged on hook plate seat by rotating shaft, on hook plate seat, offer circular groove, the region overlapping that the rotary area of hook plate and circular groove are shared, on cabinet door, the position corresponding with circular groove is provided with the coupler body that cooperatively interacts to pin cabinet door with hook plate, on mounting panel, the position corresponding with coupler body offers the circular port passing for coupler body.
Adopt after technique scheme, the utility model compared with prior art, have the following advantages: the utility model high-voltage ring main unit five-prevention interlocking device all focuses on each interlocking device on a mounting panel, novel structure, compactness, take up room little, and interlocking is each other reliable and stable, effectively realizes high-voltage ring main unit " five is anti-" requirement, eliminate safe hidden trouble, ensured staff's life security and property safety.
Brief description of the drawings
Accompanying drawing 1 be the utility model high-voltage ring main unit five-prevention interlocking device face structural representation (cabinet door open mode).
Accompanying drawing 2 be the utility model high-voltage ring main unit five-prevention interlocking device face structural representation (cabinet door closure state).
Accompanying drawing 3 is perspective view of the utility model high-voltage ring main unit five-prevention interlocking device.
Accompanying drawing 4 is perspective view of another angle of the utility model high-voltage ring main unit five-prevention interlocking device.
Accompanying drawing 5 is A-A sectional structure schematic diagrames in accompanying drawing 1.
Accompanying drawing 6 is B-B sectional structure schematic diagrames in accompanying drawing 5.
Accompanying drawing 7 is perspective view that the utility model high-voltage ring main unit five-prevention interlocking device middle part sub-unit cooperatively interacts.
Accompanying drawing 8 is perspective view that the utility model high-voltage ring main unit five-prevention interlocking device middle part sub-unit cooperatively interacts.
Accompanying drawing 9 is perspective view that the utility model high-voltage ring main unit five-prevention interlocking device middle part sub-unit cooperatively interacts.
Accompanying drawing 10 is perspective view that the utility model high-voltage ring main unit five-prevention interlocking device middle part sub-unit cooperatively interacts.
Accompanying drawing 11 is perspective view that the utility model high-voltage ring main unit five-prevention interlocking device middle part sub-unit cooperatively interacts.
Accompanying drawing 12 is perspective view that the utility model high-voltage ring main unit five-prevention interlocking device middle part sub-unit cooperatively interacts.
Accompanying drawing 13 is perspective view of ground connection plug in the utility model high-voltage ring main unit five-prevention interlocking device.
Accompanying drawing 14 is the perspective view of isolating plug in the utility model high-voltage ring main unit five-prevention interlocking device.
Accompanying drawing 15 is perspective view of cabinet door in the utility model high-voltage ring main unit five-prevention interlocking device.
Shown in figure: 1, mounting panel 2, cabinet door 3, ground connection rotating shaft 4, isolation rotating shaft 5, earthed crank arm 6, isolation connecting lever 7, axle sleeve 1, axle sleeve 29, back-moving spring 1, back-moving spring 2 11, ground connection plug 12, isolation plug 13, cascaded surface 1, cascaded surface 2 15, latch lever 1, latch lever 2 17, arcuate socket 1, deep-slotted chip breaker 1, arcuate socket 2 20, deep-slotted chip breaker 2 21, latch lever 3 22, rotating shaft 23, shifting block 24, strip through-hole 1, bearing pin 1, switch output toggle arm 27, stop block 1, chain hole 1, swingle 30, torsion spring 31, push rod 32, plate 33, latch lever 4 34, stop block 2 35, stripe board 36, bearing pin 2 37, strip through-hole 2 38, bar hole 39, square opening 40, pushing block 41, chain hole 2 42, connecting rod 1, connecting rod 2 44, rotating shaft 45, hook plate seat 46, circular groove 47, hook plate 48, projection 49, circular port 50, coupler body 51, U-shaped breach 1, U-shaped breach two.
embodiment
Below by drawings and Examples, the utility model is further elaborated.
As shown in Figures 1 to 6: a kind of high-voltage ring main unit five-prevention interlocking device, comprises mounting panel 1 and cabinet door 2.Described mounting panel 1 is provided with earthed switch and isolating switch interlocking device, vacuum switch and isolating switch interlocking device, cabinet door and earthed switch interlocking device.Described earthed switch and isolating switch interlocking device comprise for the ground connection rotating shaft 3 of earthed switch, isolation rotating shaft 4 for isolating switch, earthed crank arm 5, isolation connecting lever 6, axle sleeve 1, axle sleeve 28, back-moving spring 1 and back-moving spring 2 10.Axle sleeve 1 and axle sleeve 28 are arranged in juxtaposition, and the formation one kidney-shaped structure that is close together, and vertically run through and be fixed on mounting panel 1 simultaneously.Ground connection rotating shaft 3 is placed in axle sleeve one 7 centers.On the input of ground connection rotating shaft 3, be socketed with synchronize with ground connection rotating shaft 3 rotate ground connection plug 11, that is to say that ground connection plug 11 can only rotate together along with ground connection rotating shaft 3, ground connection plug 11 and ground connection rotating shaft 3 can not relatively rotate.When concrete enforcement, axially cut out two parallel planes at the input of ground connection rotating shaft 3, ground connection plug 11 center offers the through hole matching with the shape of cross section of ground connection rotating shaft 3 inputs, and ground connection plug 11 is socketed in ground connection rotating shaft 3 by this through hole.The input of the above ground connection rotating shaft 3 refers to one end for outer operating grip operation in ground connection rotating shaft 3.Ground connection plug 11 and ground connection rotating shaft 3 axial sliding fits.Ground connection plug 11 is placed between ground connection rotating shaft 3 and the inwall of axle sleeve 1.The output of ground connection rotating shaft 3 is provided with earthed crank arm 5.In axle sleeve 1, be provided with cascaded surface 1.Back-moving spring 1 is enclosed within ground connection rotating shaft 3.One end of back-moving spring 1 and cascaded surface 1 offset, and the bottom of the other end and ground connection plug 11 offsets.Isolation rotating shaft 4 is placed in axle sleeve 28 centers, isolation rotating shaft 4 input on be socketed with isolate rotating shaft 4 synchronize rotation isolation plug 12, that is to say that isolation plug 12 can only rotate together along with isolation rotating shaft 4, isolation plug 12 and isolation rotating shaft 4 can not relatively rotate.When concrete enforcement, axially cut out two parallel planes at the input of isolation rotating shaft 4, isolation plug 12 center offers the through hole matching with the shape of cross section of isolating rotating shaft 4 inputs, and isolation plug 12 is socketed in isolation rotating shaft 4 by this through hole.The input of the above isolation rotating shaft 4 refers to one end for outer operating grip operation in isolation rotating shaft 4.Isolation plug 12 and isolation rotating shaft 4 axial sliding fits.Isolation plug 12 is placed between isolation rotating shaft 4 and the inwall of axle sleeve 28.The output of isolation rotating shaft 4 is provided with isolation connecting lever 6.In axle sleeve 28, be provided with cascaded surface 2 14, back-moving spring 2 10 is enclosed within isolation rotating shaft 4.One end of back-moving spring 2 10 and cascaded surface 2 14 offset, and the other end offsets with the bottom of isolation plug 12.Ground connection rotating shaft 3 is provided with latch lever 1.One end of latch lever 1 is fixed in ground connection rotating shaft 3, and the other end of latch lever 1 extends radially out ground connection plug 11 and axle sleeve 1.On the sidewall of ground connection plug 11, offer the U-shaped breach 1 passing for latch lever 1, as shown in figure 13.Another effect of U-shaped breach 1 is to slide for latch lever one 15 front and back, so that ground connection plug 11 can be along ground connection rotating shaft 3 axial motions.On the sidewall of the sidewall of axle sleeve 28 and isolation plug 12, offer respectively for latch lever 1 and screw in to limit isolation plug 12 arcuate socket 2 19 and deep-slotted chip breaker 2 20 in axial sliding in isolation rotating shaft 4.Isolation rotating shaft 4 is provided with latch lever 2 16.One end of latch lever 2 16 is fixed in isolation rotating shaft 4, and the other end of latch lever 2 16 extends radially out isolation plug 12 and axle sleeve 28.On the sidewall of isolation plug 12, offer the U-shaped breach 2 52 passing for latch lever 2 16, as shown in figure 14.Another effect of U-shaped breach 2 52 is to slide for latch lever 2 16 front and back, so that isolation plug 12 can be along isolation rotating shaft 4 axial motions.On the sidewall of the sidewall of axle sleeve 1 and ground connection plug 11, offer respectively for latch lever 2 16 and screw in to limit ground connection plug 11 arcuate socket 1 and deep-slotted chip breaker 1 in axial sliding in ground connection rotating shaft 3.Arcuate socket 1 and arcuate socket 2 19 are set up in parallel and are interconnected.Arcuate socket 1 also has all the other two effects: the one, and for latch lever one 15 rotations, the 2nd, cooperatively interact to limit ground connection plug 11 with latch lever 1, avoid ground connection plug 11 to eject under the effect of back-moving spring 1.In the time that outer operating grip does not operate, the leading section of the leading section of ground connection rotating shaft 3 and ground connection plug 11 flushes.Arcuate socket 2 19 also has all the other two effects: the one, and for latch lever 2 16 rotations, the 2nd, cooperatively interact to limit isolation plug 12 with latch lever 2 16, avoid isolating plug 12 and eject under the effect of back-moving spring 2 10.The locking of isolating switch: outer operating grip inserts the input of ground connection rotating shaft 3, rotation ground connection rotating shaft 3, ground connection rotating shaft 3 drives latch lever 1 to screw in arcuate socket 2 19 and deep-slotted chip breaker 2 20, earthed switch is in closing state, now isolate plug 12 cannot along isolation rotating shaft 4 slide axially, and now isolate rotating shaft 4 leading section and isolation plug 12 leading section flush, outer operating grip cannot insert isolation rotating shaft 4 input operate, isolating switch is locked, cannot operate.The locking of earthed switch: outer operating grip inserts the input of isolation rotating shaft 4, rotation isolation rotating shaft 4, isolation rotating shaft 4 drives latch lever 2 16 to screw in arcuate socket 1 and deep-slotted chip breaker 1, isolating switch is in closing state, now ground connection plug 11 cannot slide axially along ground connection rotating shaft 3, and the leading section of the leading section of now ground connection rotating shaft 3 and ground connection plug 11 flushes, and the input that outer operating grip cannot insert ground connection rotating shaft 3 operates, earthed switch is locked, cannot operate.
As shown in Fig. 1, Fig. 3 and Fig. 7: as described in vacuum switch and isolating switch interlocking device comprise latch lever 3 21, rotating shaft 22 and for driving the shifting block 23 of latch lever 3 21 axial motions.Latch lever 3 21 is movably arranged on the right side of isolation plug 12, as shown in Figure 1.On mounting panel 1, be also provided with and limit 3 21 stop blocks 1 of moving vertically of latch lever.Latch lever 3 21 axial sliding fits are on guide vane end stop one.Rotating shaft 22 vertically runs through and is rotatably assorted on mounting panel 1.One end of rotating shaft 22 is provided with switch output toggle arm 26, specifically refers to that rotating shaft 22 is positioned at the one end at mounting panel 1 back side.On shifting block 23, alongst offer strip through-hole 1.One end of shifting block 23 is fixedly connected with the other end of rotating shaft 22.Latch lever 3 21 is provided with bearing pin 1, specifically, cuts out a platform on latch lever 3 21, and platform is provided with bearing pin 1.Shifting block 23 is bonded to each other and be slidably matched with platform, and bearing pin 1 embeds in strip through-holes 1 and is slidably matched with strip through-hole 1.In the time that shifting block 23 rotates, bearing pin one 25 meetings and strip through-hole one 24 relative slidings, to drive latch lever 3 21 to axially move.On the right side wall of axle sleeve 28, offer the hole of passing and being slidably matched for latch lever 3 21, the position in this hole is corresponding with the position of latch lever 3 21.On the sidewall of isolation plug 12, offer for latch lever 3 21 and insert to limit isolation plug 12 chain hole 1 in axial sliding in isolation rotating shaft 4.Chain hole 1 has two, and two chain holes 1 an angle of 90 degrees of being separated by the sidewall of isolation plug 12 distributes, and that is to say, when isolating switch has respectively a chain hole 1 to match with locking isolating switch with latch lever 3 21 in the time closing state and point state.The locking of isolating switch: in the time that vacuum switch closes a floodgate, drive rotating shaft 22 to rotate by switch output toggle arm 26, rotating shaft 22 drives shifting block 23 to rotate, shifting block 23 drives latch lever 3 21 to insert in chain hole 1 again, now isolate plug 12 cannot along isolation rotating shaft 4 slide axially, and now isolate rotating shaft 4 leading section and isolation plug 12 leading section flush, outer operating grip cannot insert isolation rotating shaft 4 input operate, isolating switch is locked, cannot operate.Because offering two chain holes 1 on isolation plug 12, so when isolating switch is in the time dividing state, latch lever 3 21 can insert in a chain hole of isolation plug 12, so that isolating switch cannot carry out closing operation, when isolating switch is in the time closing state, latch lever 3 21 can insert in another chain hole of isolation plug 12, so that isolating switch cannot divide operation.
As shown in Figure 1, Figure 3 and Figure 4: described cabinet door 2 and earthed switch interlocking device comprise swingle 29, torsion spring 30, push rod 31, latch lever 4 33 and for driving the plate 32 of latch lever 4 33 axial motions.Latch lever 4 33 is movably arranged on the left side of ground connection plug 11, as shown in Figure 4.On mounting panel 1, be also provided with and limit 4 33 stop blocks 2 34 of moving vertically of latch lever.Latch lever 4 33 axial sliding fits are on guide vane end stop two.Swingle 29 is longitudinally arranged on the back side of mounting panel 1, and push rod 31 is vertically located on swingle 29, forms a decussate texture with swingle 29.Torsion spring 30 is enclosed within on swingle 29, and the lower end of torsion spring 30 is fixed on mounting panel 1, and upper end is stuck on push rod 31, is specifically that the reverse arm of upper end is stuck on push rod 31.Push rod 31 is parallel with the plate face of mounting panel 1, says definitely, is that push rod 31 is parallel with the plate face of mounting panel 1 when cabinet door 2 is during in open mode, and when cabinet door 2 is during in closure state, push rod 31 forms an angle with the plate face shape of mounting panel 1.In the present embodiment, the bottom of described swingle 29 is cylindrical-shaped structure, and top is list structure.The top of swingle 29 is provided with the stripe board vertical with swingle 29 35, that is to say, it is the bent plate of 90 degree that stripe board 35 has formed an angle with the top of swingle 29.In stripe board 35, alongst offer strip through-hole 2 37, as shown in figure 12.The upper surface of the lower surface of plate 32 and stripe board 35 is bonded to each other and be slidably matched.One end of plate 32 is fixedly connected with latch lever 4 33, and the other end is provided with bearing pin 2 36, and bearing pin 2 36 embeds in strip through-hole 2 37 and is slidably matched with strip through-hole 2 37.In the time that swingle 29 drives stripe board 35 to rotate to a side, bearing pin 2 36 meetings and strip through-hole 2 37 relative slidings, to drive plate 32 to a contrary lateral movement, plate 32 drives latch lever 4 33 to axially move again.On mounting panel 1, offer for plate 32 pass and horizontally slip cooperation bar hole 38, as shown in Figure 4.On cabinet door 2, the position corresponding with push rod 31 is provided with the pushing block 40 rotating for promoting push rod 31, as shown in figure 15.On mounting panel 1, the position corresponding with pushing block 40 offers the square opening 39 passing for pushing block 40.On the left side wall of axle sleeve 1, offer leading to of passing and be slidably matched for latch lever 4 33, the position in this hole is corresponding with the position of latch lever 4 33.On the sidewall of ground connection plug 11, offer for latch lever 4 33 and insert to limit ground connection plug 11 chain hole 2 41 in axial sliding in ground connection rotating shaft 3.In the time that cabinet door is closed, pushing block 40 on cabinet door 2 pushes push rod 31 in cabinet, push rod 31 driven rotary bars 29 rotate, swingle 29 drives the stripe board 35 at top to rotate, stripe board 35 rotarily drive plate 32 to a contrary lateral movement, namely, to a lateral movement at stop block 2 34 places, shifting block 23 drives latch lever 4 33 to axially move again, latch lever 4 33 is extracted from the chain hole 2 41 of ground connection plug 11, as shown in Fig. 2 and Figure 11.Now ground connection plug 11 can slide axially along ground connection rotating shaft 3, and the input that outer operating grip can insert ground connection rotating shaft 3 operates, and earthed switch can divide closing operation.In the time that cabinet door is opened, push rod 31 and swingle 29 rotate and return to original position under the effect of torsion spring 30, and latch lever 4 33 inserts in the chain hole 2 41 of ground connection plug 11, as shown in Fig. 1 and Figure 10 under the cooperatively interacting of stripe board 35 and plate 32.Now ground connection plug 11 cannot slide axially along isolation rotating shaft 4, and the leading section of the leading section of now ground connection rotating shaft 3 and ground connection plug 11 flushes, the input that outer operating grip cannot insert ground connection rotating shaft 3 operates, and earthed switch is locked, and earthed switch cannot operate.
As shown in Figure 1, Figure 3 and Figure 4: described cabinet door 2 and earthed switch interlocking device also comprise connecting rod 1, connecting rod 2 43, rotating shaft 44, hook plate 47, hook plate seat 45.Hook plate seat 45 is fixed on the back side of mounting panel 1.Earthed crank arm 5 is provided with projection 48, and one end of connecting rod 1 is hinged on projection 48, and one end of the other end and connecting rod 2 43 is hinged, and the other end of connecting rod 2 43 is fixedly connected with one end of rotating shaft 44.Hook plate 47 is hinged on hook plate seat 45 by rotating shaft 44, and specifically, one end of hook plate 47 is fixedly connected with the other end of rotating shaft 44, and hook plate 47 can rotate along with the rotation of rotating shaft 44.An end face towards mounting panel 1 on hook plate seat 45 offers circular groove 46.The region overlapping that the rotary area of hook plate 47 and circular groove 46 are shared, that is to say, hook plate 47 can screw in the opening part of circular groove 46 to shelter from the subregion of circular groove 46 openings.When earthed switch timesharing, earthed crank arm 5 rotates, and rotates by connecting rod 1, connecting rod 2 43 driven rotary axles 44, rotating shaft 44 rotarily drives hook plate 47 and rotates, make hook plate 47 screw in the opening part of circular groove 46, now hook plate 47 covers the subregion of circular groove 46 openings, as shown in Figure 9.In the time that earthed switch closes, earthed crank arm 5 rotates, and rotates by connecting rod 1, connecting rod 2 43 driven rotary axles 44, rotating shaft 44 rotarily drives hook plate 47 and rotates, make hook plate 47 screw out the opening part of circular groove 46, now hook plate 47 does not cover the opening of circular groove 46, as shown in Figure 8.On cabinet door 2, the position corresponding with circular groove 46 is provided with the coupler body 50 that cooperatively interacts to pin cabinet door 2 with hook plate 47, as shown in figure 15.On mounting panel 1, the position corresponding with coupler body 50 offers the circular port 49 passing for coupler body 50.Cabinet door 2 closures, the coupler body 50 on cabinet door 2 stretches in the circular groove 46 on hook plate seat 45.When earthed switch is in the time dividing state, hook plate 47 screws in the opening part of circular groove 46, and now the coupler body 50 on cabinet door 2 hooks hook plate 47, and cabinet door 2 cannot be opened.When earthed switch is in the time closing state, hook plate 47 screws out the opening part of circular groove 46, and cabinet door 2 can be opened.
The utility model high-voltage ring main unit five-prevention interlocking device all focuses on each interlocking device on a mounting panel 1, novel structure, compactness, take up room little, and interlocking is each other reliable and stable, effectively realize high-voltage ring main unit " five is anti-" requirement, eliminate safe hidden trouble, ensured staff's life security and property safety.
The above is enlightenment according to embodiment, and by above-mentioned description, relevant staff can, not departing from the scope of this invention thought, carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine according to claim scope the scope of its protection.
Claims (1)
1. a high-voltage ring main unit five-prevention interlocking device, comprises mounting panel and cabinet door, it is characterized in that: described mounting panel is provided with earthed switch and isolating switch interlocking device, vacuum switch and isolating switch interlocking device, cabinet door and earthed switch interlocking device, described earthed switch and isolating switch interlocking device comprise ground connection rotating shaft, isolation rotating shaft, earthed crank arm, isolation connecting lever, axle sleeve one, axle sleeve two, back-moving spring one and back-moving spring two, axle sleeve one and axle sleeve two are arranged in juxtaposition, and vertically run through and be fixed on mounting panel simultaneously, ground connection rotating shaft is placed in axle sleeve one center, on the input of ground connection rotating shaft, be socketed with synchronize with ground connection rotating shaft rotate ground connection plug, ground connection plug and ground connection rotating shaft axial sliding fit, ground connection plug is placed between ground connection rotating shaft and the inwall of axle sleeve one, the output of ground connection rotating shaft is provided with earthed crank arm, in axle sleeve one, be provided with cascaded surface one, back-moving spring one is enclosed within ground connection rotating shaft, one end of back-moving spring one and cascaded surface one offset, the bottom of the other end and ground connection plug offsets, isolation rotating shaft is placed in axle sleeve two centers, isolation rotating shaft input on be socketed with isolate rotating shaft synchronize rotation isolation plug, isolation plug and isolation rotating shaft axial sliding fit, isolation plug is placed between isolation rotating shaft and the inwall of axle sleeve two, the output of isolation rotating shaft is provided with isolation connecting lever, in axle sleeve two, be provided with cascaded surface two, back-moving spring two is enclosed within isolation rotating shaft, one end of back-moving spring two and cascaded surface two offset, the other end offsets with the bottom of isolation plug, ground connection rotating shaft is provided with latch lever one, latch lever one extends radially out ground connection plug and axle sleeve one, on the sidewall of the sidewall of axle sleeve two and isolation plug, offer respectively for latch lever one and screw in to limit isolation plug arcuate socket two and deep-slotted chip breaker two in axial sliding in isolation rotating shaft, isolation rotating shaft is provided with latch lever two, latch lever two extends radially out isolation plug and axle sleeve two, on the sidewall of the sidewall of axle sleeve one and ground connection plug, offer respectively for latch lever two and screw in to limit ground connection plug arcuate socket one and deep-slotted chip breaker one in axial sliding in ground connection rotating shaft, described vacuum switch and isolating switch interlocking device comprise latch lever three, rotating shaft and for driving the shifting block of latch lever three axial motions, latch lever three is movably arranged on the right side of isolation plug, rotating shaft vertically runs through and is rotatably assorted on mounting panel, one end of rotating shaft is provided with switch output toggle arm, on shifting block, alongst offer strip through-hole one, one end of shifting block is fixedly connected with the other end of rotating shaft, latch lever three is provided with bearing pin one, bearing pin one embeds in strip through-hole one and is slidably matched with strip through-hole one, on the right side wall of axle sleeve two, offer the hole of passing and being slidably matched for latch lever three, on the sidewall of isolation plug, offer for latch lever three and insert to limit isolation plug chain hole one in axial sliding in isolation rotating shaft, described cabinet door and earthed switch interlocking device comprise swingle, torsion spring, push rod, plate and latch lever four, latch lever four is movably arranged on the left side of ground connection plug, swingle is longitudinally arranged on the back side of mounting panel, push rod is vertically located on swingle, torsion spring set is on swingle, the lower end of torsion spring is fixed on mounting panel, upper end is stuck on push rod, push rod is parallel with the plate face of mounting panel, the top of swingle is provided with the stripe board vertical with swingle, in stripe board, alongst offer strip through-hole two, the lower surface of plate and the upper surface of stripe board are bonded to each other and be slidably matched, one end of plate is fixedly connected with latch lever four, the other end is provided with bearing pin two, bearing pin two embeds in strip through-hole two and is slidably matched with strip through-hole two, on mounting panel, offer for plate pass and horizontally slip cooperation bar hole, on cabinet door, the position corresponding with push rod is provided with the pushing block for promoting push rod rotation, on mounting panel, the position corresponding with pushing block offers the square opening passing for pushing block, on the left side wall of axle sleeve one, offer the hole of passing and being slidably matched for latch lever four, on the sidewall of ground connection plug, offer for latch lever four and insert to limit ground connection plug chain hole two in axial sliding in ground connection rotating shaft, described cabinet door and earthed switch interlocking device also comprise connecting rod one, connecting rod two, rotating shaft, hook plate, hook plate seat, hook plate seat is fixed on the back side of mounting panel, earthed crank arm is provided with projection, one end of connecting rod one is hinged on projection, one end of the other end and connecting rod two is hinged, the other end of connecting rod two is fixedly connected with one end of rotating shaft, hook plate is hinged on hook plate seat by rotating shaft, on hook plate seat, offer circular groove, the region overlapping that the rotary area of hook plate and circular groove are shared, on cabinet door, the position corresponding with circular groove is provided with the coupler body that cooperatively interacts to pin cabinet door with hook plate, on mounting panel, the position corresponding with coupler body offers the circular port passing for coupler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205695.2U CN203871215U (en) | 2014-04-25 | 2014-04-25 | Five-prevention interlocking device of high-voltage ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205695.2U CN203871215U (en) | 2014-04-25 | 2014-04-25 | Five-prevention interlocking device of high-voltage ring main unit |
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| Publication Number | Publication Date |
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| CN203871215U true CN203871215U (en) | 2014-10-08 |
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| CN201420205695.2U Expired - Lifetime CN203871215U (en) | 2014-04-25 | 2014-04-25 | Five-prevention interlocking device of high-voltage ring main unit |
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| CN (1) | CN203871215U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186413A (en) * | 2015-09-22 | 2015-12-23 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning protection junction cabinet |
| CN105702518A (en) * | 2016-04-08 | 2016-06-22 | 南阳市鑫特电气有限公司 | Disconnecting switch and earthing switch interlocking misoperation preventing mechanism of high voltage switch cabinet |
| CN106531506A (en) * | 2016-12-08 | 2017-03-22 | 浙江容大电力设备制造有限公司 | Auxiliary clamp for positioning and installing GN30 switch crank arm and application method of auxiliary clamp |
| US20230043360A1 (en) * | 2021-04-22 | 2023-02-09 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
-
2014
- 2014-04-25 CN CN201420205695.2U patent/CN203871215U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186413A (en) * | 2015-09-22 | 2015-12-23 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning protection junction cabinet |
| CN105702518A (en) * | 2016-04-08 | 2016-06-22 | 南阳市鑫特电气有限公司 | Disconnecting switch and earthing switch interlocking misoperation preventing mechanism of high voltage switch cabinet |
| CN105702518B (en) * | 2016-04-08 | 2018-12-11 | 南阳市鑫特电气有限公司 | High-voltage switch cabinet isolation switch and earthing switch interlock error operation proof mechanism |
| CN106531506A (en) * | 2016-12-08 | 2017-03-22 | 浙江容大电力设备制造有限公司 | Auxiliary clamp for positioning and installing GN30 switch crank arm and application method of auxiliary clamp |
| CN106531506B (en) * | 2016-12-08 | 2018-05-11 | 浙江容大电力设备制造有限公司 | GN30 switchs the auxiliary clamp and its application method of connecting lever location and installation |
| US20230043360A1 (en) * | 2021-04-22 | 2023-02-09 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
| US11984289B2 (en) * | 2021-04-22 | 2024-05-14 | Rockwell Automation Technologies, Inc. | Maintenance grounding device in motor control center with integrated interlock system |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20141008 |