CN102684102A - Seven-loop load switch inflatable cabinet - Google Patents
Seven-loop load switch inflatable cabinet Download PDFInfo
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- CN102684102A CN102684102A CN2012101490333A CN201210149033A CN102684102A CN 102684102 A CN102684102 A CN 102684102A CN 2012101490333 A CN2012101490333 A CN 2012101490333A CN 201210149033 A CN201210149033 A CN 201210149033A CN 102684102 A CN102684102 A CN 102684102A
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Abstract
The invention relates to a seven-loop load switch inflatable cabinet, belonging to the technical field of gas insulation switching devices. The seven-loop load switch inflatable cabinet comprises a stainless steel gas tank, wherein wall thickness of the gas tank is 3mm, the gas tank is internally provided with seven load switches, the gas tank is formed by connecting a front plate, a rear plate, two side plates shapes of which are in bilateral symmetry and a top plate, the front plate is composed of a first front plate, an inverted L-shaped connecting plate which bends inward and a base plate, the inner sides of the front plate and the rear plate, the inner sides of the two side plates and the inner side of the top plate are respectively provided with a plurality of reinforcing ribs, and the seven load switches are arranged in the gas tank at linear intervals from left to right. The seven-loop load switch inflatable cabinet disclosed by the invention has the advantages that structural strength of the gas tank is high, and seven load switches can be arranged in the gas tank.
Description
Technical field
The present invention relates to a kind of gas-insulated switchgear device, refer to a kind of seven loop on-load switch inflation cabinets especially.
Background technology
On-load switch inflation cabinet comprises gas tank and is installed on several on-load switches in the gas tank.Existing on-load switch inflation cabinet has 4 loop on-load switch inflation cabinets, 5 loop on-load switch inflation cabinets and 6 loop on-load switch inflation cabinets.
The gas tank of existing these on-load switch inflation cabinets all is to be processed by stainless steel material.The gas tank thickness of built-in 4 loop on-load switches is 2mm; The gas tank thickness of built-in 6 loop on-load switches is 3mm.The structures shape of stainless steel gas tank what of feeder number, if because the gas tank structural strength is not enough, the inflation cabinet is in the process that vacuumizes and inflate; The stainless steel gas tank can be out of shape; The distortion back influences the operation of spring operation, causes on-load switch to refuse separating brake or refuse to close a floodgate, and has an accident.The gas tank of existing inflation cabinet is built-in 6 loop on-load switches at most.The gas tank of existing inflation cabinet is a rectangular box, if built-in 7 loop on-load switches, gas tank is difficult to satisfy the distortion under the blowing pressure because structural strength is not enough.
Summary of the invention
The object of the present invention is to provide a kind of seven loop on-load switch inflation cabinets, its gas tank is on the basis of assurance and existing gas tank wall thickness, and its structural strength is high, can arrange seven on-load switches in the gas tank.
To achieve these goals; Technical solution of the present invention is: a kind of seven loop on-load switch inflation cabinets; Comprise the stainless steel gas tank, the wall thickness of said gas tank is 3mm, is furnished with several on-load switches in the said gas tank; Wherein said gas tank is connected to form by forward and backward plate, symmetrical two side plates of shape and top board; Said header board is made up of the L shaped connecting plate of inversion and the base plate of first header board, inside folding, and the medial surface of the medial surface of said forward and backward plate, two side plates and the medial surface of top board are respectively equipped with several reinforcements, and the lower plate of said connecting plate is provided with several second through holes that is installed into the outlet terminals; Said on-load switch is set to seven, and seven said on-load switches are in-line from left to right and are arranged at intervals in the gas tank.
The present invention's seven loop on-load switch inflation cabinets are respectively equipped with first observation window that at least one can be observed an on-load switch operating state on first wherein corresponding with each the said on-load switch position header board, and said first observation window is processed by the PC material.
The present invention's seven loop on-load switch inflation cabinets; The medial surface of wherein corresponding with the left and right sides position of each said on-load switch said first header board is respectively equipped with first a vertical reinforcement; Be provided with two level second reinforcements between adjacent two said first reinforcements; The medial surface of said connecting plate is arranged at intervals with several three reinforcements vertical with the connecting plate length direction along its length; The medial surface of said base plate is interval with several four reinforcements vertical with the floor length direction along its length; The medial surface of said back plate is provided with the 5th reinforcement that it is vertical that several are parallel to each other, and the medial surface of two said side plates is respectively equipped with the 6th reinforcement of several levels that are parallel to each other, and said top board medial surface is provided with the 7th reinforcement that it is vertical that several are parallel to each other.
The present invention's seven loop on-load switch inflation cabinets; Wherein seven said on-load switches comprise main shaft and switch skeleton by operating mechanism control respectively; Said switch skeleton comprises second header board and the second back plate that upper and lower contact bearing of being processed by insulating material and the metal material that is connected in the forward and backward side of upper and lower contact bearing are processed; Said second header board is connected fixing with said header board through bolt; The front end of said upper and lower contact bearing is connected with first reinforcement on the said header board through bolt respectively; Respectively by three the upper and lower conducting rods that are equipped with at vertical behind the forward direction and interval, three said upward conducting rods are corresponding up and down with three following conducting rod positions, link together through copper bar between the conducting rod on the phase homophase of each on-load switch on the said upper and lower contact bearing; Three lower ends of going up conducting rod of each on-load switch connect three upper static contacts respectively; The tops of three said down conducting rods are respectively equipped with down fixed contact, and said fixed contact down is by the following stationary contact that is connected with following conducting rod upper end, constituting to the connecting plate of upper right side inclination and the grounding contact end that is positioned on the connecting plate of being connected with following stationary contact, three said under fixed contact all parallel with second header board; The lower end of each said conducting rod down is connected with turnover line terminals through bus; Each said turnover line terminals vertically is installed on said connecting plate bottom respectively, connects the earth lug that metal material is processed between the said second forward and backward plate left upper portion, and the medial surface of said earth lug is connected with three grounding contacts after by forward direction at interval; Line between the grounding contact end of suspend end and each time fixed contact of each said grounding contact is crossed the axis of main shaft; And with the axis normal of main shaft, said main shaft is installed between the upper and lower contact bearing, and the front and back ends of said main shaft is supported on respectively on the second forward and backward plate; On the said main shaft by vertically and at interval being connected with three moving contacts behind the forward direction; The upper and lower end of each said moving contact passes the above and below of main shaft respectively, and each said moving contact all passes through the axis of main shaft, and the two ends of each said moving contact equal the distance of each upper static contact to main shaft to the distance of main shaft; Equal the following stationary contact, grounding contact end of each time fixed contact distance to main shaft; Equal the distance of each grounding contact to main shaft, the said second header board top offers second observation window that can see upper static contact, grounding contact, and the position of said second observation window is corresponding with the front and back, position of first observation window.
The present invention's seven loop on-load switch inflation cabinets, wherein said upper static contact is the 20-120 degree to the vertical line and the grounding contact end of main-shaft axis to angle between the vertical line of main-shaft axis.
The present invention's seven loop on-load switch inflation cabinets; The front end sleeve of wherein said main shaft is on preceding supporting bead; Supporting bead is installed on second header board before said, and the rear end of said main shaft is installed on rear flange and supports, and said rear flange supports through bolt on the second back plate.
The present invention's seven loop on-load switch inflation cabinets; On the wherein said main shaft by being interval with three rectangular through-hole behind the forward direction; The center line of each said through hole and the axis normal of main shaft; Symmetry connects two making leaf springs on the front and back walls of each said through hole, fixing said moving contact between two said making leaf springs.
The present invention's seven loop on-load switch inflation cabinets; Wherein said moving contact is made up of the sheet metal that two front and back symmetries are in contact with one another; Arc first brace of arranging about each said sheet metal is by two and second brace that is connected between two first braces are formed; The trailing flank upper and lower end of the leading flank upper and lower end of two first braces of the said sheet metal in front side and two first braces of backside metal sheet is respectively equipped with groove; The longitudinal section of said making leaf spring is c-shaped, and the upper and lower end of said making leaf spring is respectively equipped with two fork sheets that are left and right layout, and the sheet of respectively pitching on two said making leaf springs is fastened in respectively in each groove on two sheet metals.
The present invention's seven loop on-load switch inflation cabinets; Wherein each said through hole upper and lower end is respectively equipped with the hole seat; Two making leaf spring upper and lower ends of each said moving contact upper and lower end and chucking moving contact lay respectively at each hole seat inner chamber, are provided with several reinforcements between said main shaft and the hole seat.
The present invention's seven loop on-load switch inflation cabinets, wherein three said grounding contacts are connected on the earth lug through bolt respectively, and three said upper and lower conducting rods are connected on the upper and lower contact bearing through bolt respectively.
After adopting such scheme; The present invention's seven loop on-load switches inflation cabinets improve the air pressure resistance intensity of gas tank through on the medial surface of the front and back panels of gas tank, two side plates and top board, several reinforcements being set respectively, and gas tank is on the basis of 3mm when constant keeping thickness; Can guarantee in gas tank, to pack into seven be the on-load switch that in-line arranges after; When in gas tank, being full of gas, gas tank can not be out of shape, and the structural strength of gas tank improves greatly.
Description of drawings
Fig. 1 is the front view that the present invention's seven loop on-load switch inflation cabinets are not installed into the outlet terminals;
Fig. 2 is that cutaway view is looked on the left side of the present invention's seven loop on-load switch inflation cabinets;
Fig. 3 is the gas tank header board rearview of the present invention's seven loop on-load switch inflation cabinets;
Fig. 4 is that enlarged drawing is looked on the gas tank header board left side of the present invention's seven loop on-load switch inflation cabinets;
Fig. 5 is the rearview of plate behind the gas tank of the present invention's seven loop on-load switches inflation cabinets;
Fig. 6 is the left view of plate behind the gas tank of the present invention's seven loop on-load switches inflation cabinets;
Fig. 7 is the front view of the gas tank left plate of the present invention's seven loop on-load switch inflation cabinets;
Fig. 8 is the left view of the gas tank left plate of the present invention's seven loop on-load switch inflation cabinets;
Fig. 9 is the lower surface configuration sketch map of the gas tank top board of the present invention's seven loop on-load switch inflation cabinets;
Figure 10 is the upward view of Fig. 9;
Figure 11 is the structure for amplifying sketch map of the on-load switch closing position of Fig. 2;
Figure 12 is the front view of the single on-load switch of the present invention's seven loop on-load switch inflation cabinets at closing position;
Figure 13 is the vertical view of the single on-load switch of the present invention's seven loop on-load switch inflation cabinets at closing position;
Figure 14 is the front view of the single load of the present invention's seven loop on-load switch inflation cabinets in the separating brake position;
Figure 15 is the front view of single load when earthing position of the present invention's seven loop on-load switch inflation cabinets;
Figure 16 is the annexation front view between intraskeletal main shaft of the switch of each on-load switch of the present invention and the moving contact;
Figure 17 is the annexation vertical view between intraskeletal main shaft of the switch of each on-load switch of the present invention and the moving contact;
Figure 18 is the annexation left view between intraskeletal main shaft of the switch of each on-load switch of the present invention and the moving contact;
Figure 19 is the sheet metal structure front view of the moving contact of each on-load switch of the present invention;
Figure 20 is the sheet metal structure right view of the moving contact of each on-load switch of the present invention;
Figure 21 is the making leaf spring structural front view of each on-load switch of the present invention;
Figure 22 is the making leaf spring structure side view of each on-load switch of the present invention.
Below in conjunction with accompanying drawing, the present invention is done further explanation through embodiment.
Embodiment
See also illustrated in figures 1 and 2ly, the present invention's seven loop on-load switches inflation cabinets comprise stainless steel gas tank 1.Gas tank 1 by header board 31, back plate 32, symmetrical two side plates 33 of shape are connected through bolt with top board 34 and be welded to form.The wall thickness of gas tank 1 is 3mm.That also can do is thicker, is furnished with seven in the gas tank 1 and is the on-load switch 2 that in-line is arranged.
In conjunction with Fig. 1, Fig. 3 and shown in Figure 4, the header board 31 of gas tank 1 is by first header board 35, inwardly the L shaped connecting plate 36 of inversion and base plate 37 one of folding constitute.Be separately installed with three first observation windows 5 that can be observed on-load switch 2 operating states on first header board 35 corresponding with each on-load switch 2 position.First observation window 5 is processed by the PC material.The medial surface of first header board 35 corresponding with the left and right sides position of each on-load switch 2 welds first a vertical reinforcement 38 respectively.Be welded with second reinforcement 39 of two levels between adjacent two first reinforcements 38.The medial surface of connecting plate 36 is welded with several three reinforcements 40 vertical with connecting plate 36 length directions along its length at interval.Be processed with second through hole 48 that several are used to be installed into outlet terminals 47 on the lower plate of connecting plate 36.The medial surface of base plate 37 is welded with several four reinforcements 41 vertical with base plate 37 length directions along its length at interval.
In conjunction with Fig. 5 and shown in Figure 6, several the 5th vertical reinforcements 42 that are parallel to each other of the medial surface of back plate 32 welding.
In conjunction with Fig. 7 and shown in Figure 8, the medial surface of two side plates 33 is welded with the 6th reinforcement 43 of several levels that are parallel to each other respectively.
In conjunction with Fig. 9 and shown in Figure 10, top board 34 medial surfaces are welded with several the 7th vertical reinforcements 44 that is parallel to each other.
In conjunction with Fig. 2, Figure 11, Figure 12 and shown in Figure 13, each on-load switch is at the structural representation of closing position.Each on-load switch 2 comprises the main shaft 6 and switch skeleton 7 by operating mechanism control respectively.Switch skeleton 7 comprises the upper contact head bearing 8 processed by insulating material, contact bearing 9 and be connected in upper contact head bearing 8, second header board 45 and the second back plate processed of the metal material of contact bearing 9 forward and backward sides down through bolt down.Second header board 45 is connected fixing with header board 31 through bolt.Upper contact head bearing 8, down the front end of contact bearing 9 is connected with first reinforcement 38 on the header board 31 through bolt respectively.Be connected with three upward conducting rod 10 and three following conducting rods 11 by the bolt that passes through vertical behind the forward direction and at interval respectively on upper contact head bearing 8, the following contact bearing 9.Three upward conducting rod 10 is corresponding up and down with three following conducting rod 11 positions.Link together through copper bar 30 between the conducting rod 10 on the phase homophase of each on-load switch 2.Three lower ends of going up conducting rod 10 of each on-load switch 2 connect three upper static contacts 12 respectively.The top of three following conducting rods 11 is respectively equipped with down fixed contact 13.Following fixed contact 13 is made up of the following stationary contact 50 that is connected with following conducting rod 11 upper ends, the connecting plate 51 that tilts to the upper right side that is connected with following stationary contact 50 and grounding contact end 52 one that are positioned at connecting plate 51 upper ends.Three following fixed contacts 13 are parallel with second header board 45.Upper static contact 12 is 20 degree-120 degree to the vertical join line of main shaft 6 axis and the grounding contact end 52 of following fixed contact 13 to the angle between the vertical join line of main shaft 6 axis.The lower end of each time conducting rod 11 is connected with turnover line terminals 47 through bus 46.Each passes in and out in each second through hole 48 of lower plate that line terminals 47 vertically are installed on connecting plate 36 respectively.
The top of second header board 45 offers second observation window 18 that can see upper static contact 12, grounding contact 15.The position of second observation window 18 is corresponding with the front and back, position of first observation window 5.Be welded with the earth lug 14 that metal material is processed between second header board, 45 left upper portion and the second back plate left upper portion.The medial surface of earth lug 14 by forward direction after at interval the bolt that passes through be connected with three grounding contacts 15.Line between the grounding contact end 52 of each grounding contact 15 and the grounding contact end 52 of each time fixed contact 13 is crossed the axis of main shaft 6, and with the axis normal of main shaft 6.Main shaft 6 is installed between upper contact head bearing 8 and the following contact bearing 9.The front end sleeve of main shaft 6 is on preceding supporting bead 19, and preceding supporting bead 19 is embedded in the hole of second header board 45.The rear end of main shaft 6 is installed on rear flange and supports on 20, and rear flange supports 20 and passes through bolt on the second back plate.
In conjunction with Figure 16, Figure 17 and shown in Figure 180, be processed with three rectangular through-hole 21 by interval behind the forward direction on the main shaft 6 of each on-load switch 2.The axis normal of the center line of each through hole 21 and main shaft 6.Symmetry connects fixing moving contact 17 between 22, two making leaf springs 22 of two making leaf springs on the front and back walls of each through hole 21.The upper and lower end of each moving contact 17 passes the above and below of main shaft 6 and the axis of process main shaft 6 respectively.The two ends of each moving contact 17 equal the distance of each upper static contact 12 to main shaft 6 to the distance of main shaft 6, equal the following stationary contact 50 of each time fixed contact 13, the distance that grounding contact end 52 arrives main shaft 6, equal the distance of each grounding contact 15 to main shaft 6.The upper and lower end of each through hole 21 is connected with the hole seat 28 that cross section is a rectangle respectively.The upper and lower end of two making leaf springs 22 of each moving contact 17 upper and lower end and chucking moving contact 17 lays respectively at each hole seat 28 inner chamber.Be connected with several reinforcements 29 between main shaft 6 and the hole seat 28, to improve the intensity of main shaft.
In conjunction with Figure 19 and shown in Figure 20, moving contact 17 is made up of the sheet metal 23 that two front and back symmetries are in contact with one another.Arc first brace of arranging about each sheet metal 23 is by two 24 and second brace 25 that is connected between two first braces 24 are formed.Leading flank upper and lower end and the trailing flank upper and lower end of two first braces 24 that is positioned at the sheet metal 23 of rear side of two first braces 24 that is positioned at the sheet metal 23 of front side is processed with groove 26 respectively.In conjunction with Figure 11, Figure 21 and shown in Figure 22, the longitudinal section of making leaf spring 22 is c-shaped.The upper and lower end of making leaf spring 22 is processed with two fork sheets 27 that are left and right layout respectively.The sheet 27 of respectively pitching on two making leaf springs 22 is fastened in respectively in each groove 26 on two sheet metals 23.
During combined floodgate, with shown in Figure 12, the upper end of three moving contacts 17 of each on-load switch 2 contacts with three upper static contacts 12 respectively with reference to figure 1, and the lower end of three moving contacts 17 contacts with the link of three following fixed contacts 13 respectively.
When main shaft 6 clockwise rotates 50-60 when spending under the operating mechanism effect; Three moving contacts 17 that main shaft 6 drives on it clockwise rotate the 50-60 degree; The lower end of 12, three moving contacts 17 of the upper end of three moving contacts 17 three upper static contacts of disengaging breaks away from fixed contact 13 down at this moment.Shown in figure 14, this moment, each on-load switch 2 became the separating brake position by closing position.
When main shaft 6 continued to clockwise rotate under the operating mechanism effect, three moving contacts 17 that main shaft 6 drives on it clockwise rotated, and the two ends of three moving contacts 17 can contact with grounding contact end 52 and three grounding contacts 15 of three following fixed contacts 13 respectively.Shown in figure 15, this moment, each on-load switch 2 became earthing position by the separating brake position.
When the operating mechanism action; When driving main shaft 6 and rotating counterclockwise about 50-60 and spend; When being position shown in Figure 14, the two ends of three moving contacts 17 on the main shaft 6 break away from three grounding contacts 15 and three following fixed contacts 13 respectively, make each on-load switch 2 become the separating brake position by earthing position.
When the operating mechanism action, when drive main shaft 6 continued to rotate counterclockwise, the two ends of three moving contacts 17 on the main shaft 6 contacted with three upper static contacts 12 with three following fixed contacts 13 respectively.This moment is shown in figure 12, for each on-load switch 2 becomes closing position by the separating brake position.
The present invention's seven loop on-load switches inflation cabinets through header board 31 medial surfaces at gas tank 1 first reinforcement 38, second reinforcement 39, the 3rd reinforcement 40 and the 4th reinforcement 41 are set, the medial surface of plate 32 is provided with the 5th reinforcement 42, the 6th reinforcement 43 is set and at top board 34 medial surfaces the 7th reinforcement 44 is set at the medial surface of two side plates 33 in the back; Can improve the structural strength of gas tank 1; In the time of can guaranteeing to be full of air pressure in the gas tank 1, gas tank 1 can not be out of shape; Be installed in the gas tank 1 through seven on-load switches 2 that are the in-line distribution; Each on-load switch 2 respectively through switch skeleton 7, be installed on the inner and main shaft 6 that rotate by operating mechanism control of switch skeleton 7, be fixed in three moving contacts 17 on the main shaft 6, as switch skeleton 7 parts and be used to connect conducting rod 10 upper contact head bearing 8, connect under the following contact bearing 9, the grounding contact 15 that is connected in upper static contact 12 on the conducting rod 10, is connected in down the following fixed contact 13 on the conducting rod 11 and is installed on earth lug 14 medial surfaces of conducting rod 11 form; It is simple in structure, parts are few; The small and exquisite layout of its overall volume is succinct, can be positioned in the gas tank 1 of advantages of small volume, saved the cost cost; Second observation window 18 corresponding with first observation window, 5 positions is set being provided with on the gas tank header board 31 on first observation window 5, second header board 45 at switch skeleton 7; Can just can not see three service positions of each on-load switch 2 in the gas tank 1, i.e. closing position, separating brake position and earthing position through outer light source.
The above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (10)
1. a loop on-load switch is inflated cabinet; Comprise stainless steel gas tank (1); Be furnished with several on-load switches (2) in the said gas tank (1); It is characterized in that: said gas tank (1) is connected to form by forward and backward plate (31,32), symmetrical two side plates of shape (33) and top board (34); Said header board (31) is made up of first header board (35), the L shaped connecting plate of inwardly rolling over of inversion (36) and base plate (37), and the medial surface of the medial surface of said forward and backward plate (31,32), the medial surface of two side plates (33) and top board (34) is respectively equipped with several reinforcements, and the lower plate of said connecting plate (36) is provided with several second through holes (48) that is installed into outlet terminals (47); Said on-load switch (2) is set to seven, and seven said on-load switches (2) are in-line from left to right and are arranged at intervals in the gas tank (1).
2. seven loop on-load switch inflation cabinets as claimed in claim 1; It is characterized in that: be respectively equipped with first observation window (5) that at least one can be observed an on-load switch (2) operating state on said first header board (35) corresponding with each said on-load switch (2) position, said first observation window (5) is processed by the PC material.
3. seven loop on-load switch inflation cabinets as claimed in claim 2; It is characterized in that: the medial surface of first header board (35) corresponding with the left and right sides position of each said on-load switch (2) is respectively equipped with vertical first reinforcement (38); Be provided with two level second reinforcements (39) between adjacent two said first reinforcements (38); The medial surface of said connecting plate (36) is arranged at intervals with several three reinforcements (40) vertical with connecting plate (36) length direction along its length; The medial surface of said base plate (37) is interval with several four reinforcements (41) vertical with base plate (37) length direction along its length; The medial surface of said back plate (32) is provided with the 5th reinforcement (42) that it is vertical that several are parallel to each other; The medial surface of two said side plates (33) is respectively equipped with the 6th reinforcement (43) of several levels that are parallel to each other, and said top board (34) medial surface is provided with the 7th reinforcement (44) that it is vertical that several are parallel to each other.
4. seven loop on-load switch inflation cabinets as claimed in claim 3; It is characterized in that: seven said on-load switches (2) comprise main shaft (6) and the switch skeleton (7) by operating mechanism control respectively; Said switch skeleton (7) comprises the upper and lower contact bearing of being processed by insulating material (8; 9) and be connected in upper and lower contact bearing (8; 9) second header board (45) processed of the metal material of forward and backward side and the second back plate, said second header board (45) is connected with said header board (31) through bolt fixes said upper and lower contact bearing (8; 9) front end is connected with first reinforcement (38) on the said header board (31) through bolt respectively; Respectively by three upward conducting rod (10) and three the following conducting rods (11) of being equipped with at vertical behind the forward direction and interval, three said upward conducting rods (10) are corresponding up and down with three following conducting rods (11) position on the said upper and lower contact bearing (8,9); Link together through copper bar (30) between the conducting rod (10) on the phase homophase of each on-load switch (2); Three of each on-load switch (2) lower ends of going up conducting rod (10) connect three upper static contacts (12) respectively, and three said tops of conducting rod (11) down are respectively equipped with down fixed contact (13), said fixed contact (13) down by the following stationary contact (50) that is connected with following conducting rod (11) upper end, be connected with following stationary contact (50) to the connecting plate (51) of upper right side inclination and be positioned at grounding contact end (52) formation on the connecting plate (51); Three said following fixed contacts (13) are all parallel with second header board; The lower end of each said conducting rod (11) down is connected with turnover line terminals (47) through bus (46), and each said turnover line terminals (47) vertically is installed on said connecting plate (36) bottom respectively, connects the earth lug (14) that metal material is processed between the said second forward and backward plate left upper portion; The medial surface of said earth lug (14) is connected with at interval three grounding contacts (15) after by forward direction; The line between the end and the grounding contact end (52) of each time fixed contact (13) of suspending of each said grounding contact (15) is crossed the axis of main shaft (6), and with the axis normal of main shaft (6), said main shaft (6) is installed on upper and lower contact bearing (8; 9) between; The front and back ends of said main shaft (6) is supported on respectively on the second forward and backward plate, and said main shaft (6) is gone up by vertically and at interval being connected with three moving contacts (17) behind the forward direction, and the upper and lower end of each said moving contact (17) passes the above and below of main shaft (6) respectively; Each said moving contact (17) all passes through the axis of main shaft (6); The two ends of each said moving contact (17) equal the distance of each upper static contact (12) to main shaft (6) to the distance of main shaft (6), equal the following stationary contact (50) of each time fixed contact (13), the distance that grounding contact end (52) arrives main shaft (6), equal the distance of each grounding contact (15) to main shaft (6); The said second header board top offers second observation window (18) that can see upper static contact (12), grounding contact (15), and the position of said second observation window (18) is corresponding with the front and back, position of first observation window (5).
5. seven loop on-load switch inflation cabinets as claimed in claim 4, it is characterized in that: said upper static contact (12) is the 20-120 degree to the vertical line and the grounding contact end (52) of main shaft (6) axis to angle between the vertical line of main shaft (6) axis.
6. seven loop on-load switch inflation cabinets as claimed in claim 5; It is characterized in that: the front end sleeve of said main shaft (6) is on preceding supporting bead (19); Supporting bead (19) is installed on second header board (45) before said; The rear end of said main shaft (6) is installed on rear flange and supports on (20), and said rear flange supports (20) and passes through bolt on the second back plate.
7. seven loop on-load switch inflation cabinets as claimed in claim 6; It is characterized in that: said main shaft (6) is gone up by being interval with three rectangular through-hole (21) behind the forward direction; The axis normal of the center line of each said through hole (21) and main shaft (6); Symmetry connects two making leaf springs (22) on the front and back walls of each said through hole (21), a fixing said moving contact (17) between two said making leaf springs (22).
8. seven loop on-load switch inflation cabinets as claimed in claim 7; It is characterized in that: said moving contact (17) is made up of the sheet metal (23) that two front and back symmetries are in contact with one another; Arc first brace of arranging about each said sheet metal (23) is by two (24) and second brace (25) that is connected between two first braces (24) are formed; The trailing flank upper and lower end of the leading flank upper and lower end of two first braces (24) of the said sheet metal in front side (23) and two first braces (24) of backside metal sheet (23) is respectively equipped with groove (26); The longitudinal section of said making leaf spring (22) is c-shaped; The upper and lower end of said making leaf spring (22) is respectively equipped with two fork sheets (27) that are left and right layout, and the sheet (27) of respectively pitching on two said making leaf springs (22) is fastened in respectively in each groove (26) on two sheet metals (23).
9. seven loop on-load switch inflation cabinets as claimed in claim 8; It is characterized in that: each said through hole (21) upper and lower end is respectively equipped with hole seat (28); Two making leaf springs (22) upper and lower end of each said moving contact (17) upper and lower end and chucking moving contact (17) lays respectively at each hole seat (28) inner chamber, is provided with several reinforcements (29) between said main shaft (6) and the hole seat (28).
10. seven loop on-load switch inflation cabinets as claimed in claim 9; It is characterized in that: three said grounding contacts (15) are connected on the earth lug (14) through bolt respectively; Three said upper and lower conducting rods (10,11) are connected on the upper and lower contact bearing (8,9) through bolt respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101490333A CN102684102A (en) | 2012-05-14 | 2012-05-14 | Seven-loop load switch inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101490333A CN102684102A (en) | 2012-05-14 | 2012-05-14 | Seven-loop load switch inflatable cabinet |
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| CN102684102A true CN102684102A (en) | 2012-09-19 |
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| CN2012101490333A Pending CN102684102A (en) | 2012-05-14 | 2012-05-14 | Seven-loop load switch inflatable cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN201207353Y (en) * | 2008-05-16 | 2009-03-11 | 北京合纵科技股份有限公司 | Loading switch extinguishing chamber for inflating cabinet and common-box SF6 looped network cabinet |
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| CN103414117A (en) * | 2013-07-31 | 2013-11-27 | 正泰电气股份有限公司 | T-shaped connecting structure of cubicle type gas insulated switchgears |
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Application publication date: 20120919 |