CN2533565Y - Non-overhaul outdoor high-tension isolating switch - Google Patents
Non-overhaul outdoor high-tension isolating switch Download PDFInfo
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- CN2533565Y CN2533565Y CN 02209348 CN02209348U CN2533565Y CN 2533565 Y CN2533565 Y CN 2533565Y CN 02209348 CN02209348 CN 02209348 CN 02209348 U CN02209348 U CN 02209348U CN 2533565 Y CN2533565 Y CN 2533565Y
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- bearing
- fingertip
- lubricating grease
- storehouse
- isolating switch
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Abstract
The utility model which relates to an outdoor high voltage disconnector without major repairs comprises a conductive device (a conductive pipe, a button contact, a button contact seat, a contact), an insulator, a support, a base, an operation mechanism and a transmission mechanism. The rotation devices of the support, the operation mechanism and the transmission mechanism which adopt rolling bearings are provided with a grease storehouse and a sealed storehouse cover, and the utility model has the advantages of dustproof, waterproof, rustproof, no stagnation, correct split and close position and convenient debugging and operation. The button contact which is used to avoid the dislocation is provided with a current pathway which is fixedly connected with the button contact seat, and the wiring seat is not shunt, and the conductive device cannot burn out because of overheating, and each part is rustproof, and the electric porcelain or silicone rubber insulator can be made to products of various different voltages and different structures. The utility model which is not need to be repair greatly can operate safely and continuously in the rating conditions and the life term.
Description
Technical field
The utility model relates to the high-voltage appliance switch technical field, belongs to a kind of overhaul outdoor high-voltage isolating switch of exempting from.
Background technology
Isolating switch is the maximum high-voltage electrical equipment of quantity, the common outdoor high-voltage isolating switch that electric power system is at present used (GW for example
4, GW
5Series), there is following defective:
(1) rotatable parts get rusty, clamping stagnation, particularly bearing tumbler, its supporting insulator and electric installation (junction block, contact tube, contact, fingertip), adopt " common tapered roller bearing ", its bearing pedestal does not have the lubricating grease storehouse, and dirt is easily intake, advanced in the bearing blow-by.Tapered roller bearing is compared with ball bearing, and advantage is that the internal clearance is little, and load-carrying surface and load power are big, and stability is high.But also just therefore, its internal clearance is little, only can hold lubricating grease seldom.In unlubricated fat storehouse, under the packing less again situation, its lubricating grease is very easily filthy, loss, aging, withered; lose the usefulness of sealing, protection bearing, very easily make bearing rust, clamping stagnation, cause the isolating switch branch, close difficulty; even refuse branch, refuse to close, be forced to the overhaul of disintegrating, change bearing.
(2) electric installation loose contact, particularly fingertip and fingertip seat rely on spring pressure contact conduction, and in fact its contact-making surface is movable, enters dirt unavoidably.And wideer than (left side) fingertip seat because of (right side) contact, when contact was incorporated between the fingertip of both sides, fingertip was strutted, and fingertip and fingertip seated connection touch area and reduce, and fingertip also can be by the knocking-on detent of contact sometimes.Therefore, fingertip often because of touching badly with the fingertip seated connection, makes resistance excessive, causes they self and overheated (the heat Q=0.24I of adjacent components
2Rt is directly proportional with resistance R), and make spring " annealing ", elastic force reduces, and makes that its contact resistance is bigger, caloric value increases, and so vicious circle causes burning out fingertip, contact, is forced to the overhaul that has a power failure, and changes parts such as fingertip, contact.
(3) adopt simple and crude sliding bearing in operating mechanism and the transmission mechanism, the operation effort, fit clearance is big, makes branch, to close site error big, and particularly its closing position is different because of firmly varying in size, the debugging trouble, operation is inconvenient.
Therefore, must carry out regularly (per approximately 3～4 years) disintegration overhaul, can make its safety, operation continuously common outdoor high-voltage isolating switch.The isolating switch overhaul, associated bus and circuit need have a power failure, and be out of service; This can interrupt the power supply to the user on the one hand, and the turnover job amount is very big on the other hand, is a heavy burden of electric power enterprise.
In recent years the unit that has carries out some transformations to common outdoor high-voltage isolating switch, but its fingertip is terminal and the still loose contact of fingertip seat, and bearing still adopts common tapered roller bearing, does not establish the lubricating grease storehouse, only installs O type O-ring seal additional; Operating mechanism and transmission mechanism bearing do not improve, long-time running, and rotary part still can get rusty, clamping stagnation, the operation effort, the closing position error is big, and debugging is complicated, and defectives such as operation inconvenience are not eliminated.
Summary of the invention
The purpose of this utility model provides a kind of outdoor high-voltage isolating switch of exempting from overhaul in the time limit in useful life, and its each tumbler does not have clamping stagnation, and electric installation does not have overheated, each not corrosion of parts, and it is accurate to divide, close the position, debugs easy, easy to operate.Thereby reduce the electric power enterprise maintenance cost, guarantee conscientiously user security, power supply continuously.
For achieving the above object, the utility model is taked following design:
A kind of overhaul outdoor high-voltage isolating switch of exempting from, it is by contact tube, fingertip, the fingertip seat, contact, junction block, post insulator, bearing, base, transmission mechanism and operating mechanism are formed, the post insulator upper end connects supports junction block, junction block connects the support contact tube, on the contact tube of two correspondences, connect the fingertip seat respectively, fingertip and contact, post insulator is by the seat supports of its underpart, this bearing is installed on the base, by operating mechanism, pass through transmission mechanism, can drive bearing axle and flange thereof and rotate, thereby make fingertip and contact connection conduction or separate outage.It is characterized in that:
The tumbler that respectively supports in its bearing, in the operating mechanism, in the transmission mechanism all adopts rolling bearing, and is provided with lubricating grease storehouse and seal cover, fills lubricating grease in lubricating grease storehouse and bearing; Make bearing by grease sealing, protection, then can prevent to get rusty, clamping stagnation; Lubricating grease is by Cang Gai sealing, protection, can prevent dust, waterproof, makes it can not run off, wear out, dry up.
Respectively establish a boss in fingertip seat both sides, its side becomes recessed semi-cylindrical; Become protruding semi-cylindrical in that fingertip is terminal, touch, be provided with the conductive strips that they are fixedlyed connected with the fingertip end outside at fingertip seat boss with recessed semi-cylindrical on the fingertip seat boss.
Between junction block inwall and conductive strips, be provided with the insulation interlayer, and between conducting rod lower end and fixed head, install insulating sleeve and insulation cushion.
Rolling bearing in the described bearing is a roller bearing; Described bearing is made up of bearing pedestal, bearing axle, flange, roller bearing, Cang Gai; This bearing pedestal two ends diameter is big, and mid diameter is little, makes wherein intersegmental part formation central oiling fat storehouse, and the upper/lower terminal in central oiling fat storehouse respectively is provided with upper and lower roller bearing; Respectively be provided with two annular grooves and two sealing rings at the two ends of bearing pedestal, this inner annular groove inwall height, outer wall is low, is provided with sealing gasket and lubricating grease in annular groove; The annular groove at bearing pedestal two ends is provided with upper and lower lubricating grease storehouse seal cover, is provided with upper and lower lubricating grease storehouse between lubricating grease storehouse seal cover and roller bearing, and this seal cover outer, upper and lower lubricating grease storehouse buckles in the bearing pedestal inner annular groove.
Respectively install a non-return valve that is used for supplemental lubrication fat at last lubricating grease storehouse sidewall and central oiling fat storehouse sidewall.
Rolling bearing in the described operating mechanism is a ball bearing, it is arranged on operating mechanism main shaft upper/lower terminal, these two ball bearings both sides are equipped with the lubricating grease storehouse, buckle into lubricating grease Cang Gai at its base two ends, be equipped with sealing ring between this lubricating grease Cang Gai and main shaft and the base, be provided with sealing ring between this base and the main shaft.
Rolling bearing in the described transmission mechanism is ball bearing and needle bearing, its ball bearing is arranged on the perpendicular drive link upper end of transmission mechanism, these ball bearing both sides are provided with the lubricating grease storehouse, on its bearing pedestal, be buckled with lubricating grease Cang Gai, be equipped with sealing ring between this lubricating grease Cang Gai and perpendicular drive link and the bearing pedestal, be provided with sealing ring between this bearing pedestal and the perpendicular drive link.
Described needle bearing is arranged between the transmission crank arm and horizontal drive link of transmission mechanism, and between flange connecting lever and the tranverse connecting rod.
Between described fingertip and the fingertip seat, adopt multilayer soft copper band and set bolt to connect, set bolt penetrates fingertip, and its front end is the location plush copper.
Outdoor high-voltage isolating switch minute, when closing circuit, operating mechanism and bearing axle rotational angle only are 90 ° or 180 °, about 0.4 revolutions per second of rotating speed, divide at most every year, close tens times, as long as satisfy the static load requirement, each tumbler all can be because of friction damage, and the sole cause of its fault is " get rusty, clamping stagnation "; Therefore, each tumbler is carried out following improvement:
1. at the bearing pedestal upper/lower terminal of bearing, each installs the lubricating grease storehouse and the storehouse is covered one.The Cang Gai outer buckles into the inner annular groove of bearing pedestal, and makes this annular groove inwall be higher than outer wall, and groove liner sealing gasket and lubricating grease are in order to sealing, waterproof and dustproof.Install sealing ring between axle and the Cang Gai hole, in order to sealing, protection lubricating grease, but a normal rotation that does not influence spool, and under certain pressure, can flow out cleaning agent.
Again with between two bearings, the radial distance of axle and bearing pedestal narrows down to suitable numerical value, as central oiling fat storehouse.
In three storehouses and in the tapered roller bearing, all fill lubricating grease.Bearing is by grease sealing, protection, prevents to get rusty, clamping stagnation; Lubricating grease is by Cang Gai sealing, protection, and dustproof, waterproof make it can not run off, wear out, dry up.
Give upper end and lubricating grease storehouse, middle part, respectively add a non-return valve, just often this valve closure, available dedicated " oil gun " is opened valve in case of necessity, injects cleaning agent or lubricating grease in the storehouse, need not the bearing that disintegrates, just energy bearing cleaning and lubricating grease storehouse replenish or change lubricating grease.Cleaning agent injects from last end valve, behind the lubricating grease of dissolving filth, flows out between lower end Cang Gai and axle.
2. at ball bearing of transmission mechanism main shaft installing, respectively install a ball bearing, respectively establish a lubricating grease storehouse in its upper and lower both sides of each bearing at operating mechanism main shaft upper/lower terminal; Between transmission crank arm and horizontal drive link, and between flange connecting lever and the horizontal-associate bar, install one " needle bearing " respectively additional; Make them all become rolling friction, reduce operating physical force, and each tumbler fit clearance is reduced, the switch branch, close site error and reduce, debugging is simplified.Particularly when closing a floodgate, need not to adjust repeatedly operating force and stroke, simplified operating process greatly.
Each bearing all seals, and fills lubricating grease within it, protects its non-corrosive, clamping stagnation not.
Electric installation (junction block, contact tube, contact, fingertip) is carried out following improvement:
1. the fingertip end is made protruding semi-cylindrical, a positioning boss is respectively set up in fingertip seat both sides, boss side surfaces is made recessed semi-cylindrical, itself and the terminal one-tenth of fingertip semi-cylindrical are contacted, stop fingertip by (right side) contact when bump backward, move up, misplace, and guarantee that their contact area can not reduce when fingertip rotates.Respectively both sides, a plurality of fingertip and each side fingertip seat boss are held together with multilayer soft copper band and bolt, make fingertip and fingertip seat that the conductive path an of heavy in section, " fixedly contacting " be arranged, thereby thoroughly eliminate because of fingertip and fingertip seated connection touch bad overheated, the spring " annealing " that causes, burn out the fault of fingertip, contact then.And make the set bolt of fingertip and copper strips penetrate fingertip, the double location plush copper of doing of its front end.
2. between junction block inwall and conductive strips, install the insulation interlayer additional, and between the lower end and fixed head of conducting rod, install an insulating sleeve and an insulation zero diopter pad additional, get rusty in fault and the conducting rod lower end of damaging junction block and conductive strips, the fault of clamping stagnation because of shunting is conducted electricity in order to eliminate.
3. fingertip, contact, conducting rod (pipe) all adopt the high-quality copper to do, and silver-plated.
In addition, all bolt, pin, operating mechanism protective cover, fingertip spring and location-plate all adopt the corrosion resistant material manufacturing, ironware hot galvanizings such as base, drive link.Adopt " high strength, large distance electroceramics " post insulator, also can adopt " silicon rubber " post insulator, can effectively prevent external insulation " pollution flashover " accident; Anti-" pollution flashover " function of the latter is more good, and in light weight, easy installation, exempts from cleaning.
As required, exempt from the overhaul outdoor high-voltage isolating switch, can make various electric pressures, various constructed products, its external form and installation parameter, with the mill run of relevant voltage grade, corresponding construction (for example: GW
4, GW
5) identical, be easy to apply.
The utility model has the advantages that: in the time limit in useful life, each tumbler of exempting from the overhaul outdoor high-voltage isolating switch does not have clamping stagnation, and electric installation does not have overheated, each not corrosion of parts, and it is accurate to divide, close the position, debugs easy, easy to operate; Can thoroughly eliminate the power failure phenomenon that causes because of its scheduled overhaul, thereby reduce the operation and maintenance cost of electric power enterprise, guarantee conscientiously user security, power supply continuously.
Below in conjunction with accompanying drawing and example the utility model is described in detail.
Description of drawings
Accompanying drawing is selected GW
5-35 (110) IIMX type three-phases are exempted from the overhaul outdoor high-voltage isolating switch and are made example.
Fig. 1 is the utility model GW
5The mounting structure schematic diagram that-35 (110) IIMX type three-phases are exempted from overhaul outdoor high-voltage isolating switch profile.
Fig. 2 is Fig. 1 left side TV structure schematic diagram.
Fig. 3 is that Figure 1A-A is to structural representation.
Fig. 4 is a seat structure schematic diagram of the present utility model.
Fig. 5 is fingertip of the present utility model, fingertip seat and the structural representation of contact when "on" position.
Fig. 6 is a junction block structural representation of the present utility model.
Fig. 7 is bearing pedestal and the connecting lever structural representation in the transmission mechanism of the present utility model.
Fig. 8 is flange connecting lever and the tranverse connecting rod connection bearing structural representation in the transmission mechanism of the present utility model.
Fig. 9 is the main bearing seat structure schematic diagram of operating mechanism of the present utility model.
Figure 10 is that Fig. 4 B-B is to schematic diagram.
Figure 11 is existing GW
5The seat structure schematic diagram of the common outdoor high-voltage isolating switch of-35 (110) II type three-phases.
Figure 12 is existing GW
5The fingertip of the common outdoor high-voltage isolating switch of-35 (110) II type three-phases, fingertip holder structure schematic diagram.
Figure 13 is existing GW
5The junction block structural representation of the common outdoor high-voltage isolating switch of-35 (110) II type three-phases.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5: a kind of overhaul outdoor high-voltage isolating switch of exempting from, it is by contact tube 4, fingertip 32, fingertip seat 39, contact 31, junction block 2, post insulator 3, bearing 12, base 13, transmission mechanism 8 and operating mechanism 14 are formed, post insulator 3 upper ends connect supports junction block 2, junction block 2 connects support contact tube 4, on the contact tube 4 of two correspondences, connect fingertip seat 39 respectively, fingertip 32 and contact 31, post insulator 3 is supported by the bearing 12 of its underpart, this bearing 12 is installed on the base 13, by operating mechanism 14, by transmission mechanism 8, can drive bearing axle 18 and flange 17 rotations thereof, thereby make fingertip 32 and contact 31 connect conduction or separate outage; Fingertip seat 39 is provided with fingertip cover 11, and this fingertip cover 11 plays protective action with fingertip 32, fingertip seat 39, contact 31 covers within it.
The tumbler that respectively supports in its bearing 12, in the operating mechanism 14, in the transmission mechanism 8 all adopts rolling bearing, and is provided with lubricating grease storehouse and Cang Gai, fills lubricating grease in lubricating grease storehouse and bearing.
Respectively establish a boss 38 in fingertip seat 39 both sides, its side becomes recessed semi-cylindrical 37; Become protruding semi-cylindrical 33 in that fingertip 32 is terminal, touch, be provided with the conductive strips 35 that they are fixedlyed connected with the fingertip 32 terminal outsides at fingertip seat boss 38 with recessed semi-cylindrical 37 on the fingertip seat boss 38.
See Fig. 4, the rolling bearing in the described bearing 12 is a roller bearing 20; Described bearing 12 is made up of bearing pedestal 22, bearing axle 18, flange 17, roller bearing 20, storehouse lid 25; These bearing pedestal 22 two ends diameters are big, and mid diameter is little, and making wherein, intersegmental part constitutes central oiling fat storehouse 29; Upper/lower terminal in central oiling fat storehouse 29 respectively is provided with upper and lower roller bearing 20, respectively is provided with outer annular groove 10 and inner annular groove 69 at the two ends of bearing pedestal 22, these inner annular groove 69 inwall height, and outer wall is low; In outer annular groove 10, be provided with sealing gasket 27 and lubricating grease, in inner annular groove 69, be provided with sealing gasket 23 and lubricating grease; The annular groove at bearing pedestal 22 two ends is provided with upper and lower lubricating grease storehouse seal cover 25, be provided with upper and lower lubricating grease storehouse 19,24 between lubricating grease storehouse seal cover 25 and roller bearing 20, these seal cover 25 outers, upper and lower lubricating grease storehouse buckle in the bearing pedestal inner annular groove 69.
Lubricating grease storehouse 19 sidewalls and central oiling fat storehouse 29 sidewalls are respectively installed a non-return valve 30,28 that is used for supplemental lubrication fat on described.
See Fig. 9, rolling bearing in the described operating mechanism 14 is a ball bearing 64, it is arranged on operating mechanism main shaft 70 upper/lower terminals, these two ball bearings, 64 both sides are equipped with lubricating grease storehouse 65,66, buckle into lubricating grease storehouse lid 63 at its base 71 two ends, be respectively equipped with sealing ring 67,56 between this lubricating grease storehouse lid 63 and main shaft 70 and the base 71, be provided with sealing ring 68 between this base 71 and the main shaft 70.
See Fig. 1, Fig. 3, Fig. 7, Fig. 8, rolling bearing in the described transmission mechanism 8 is ball bearing 48 and needle bearing 52,60, its ball bearing 48 is arranged on perpendicular drive link 9 upper ends of transmission mechanism, these ball bearing 48 both sides are provided with lubricating grease storehouse 50, on its bearing pedestal 72, be buckled with lubricating grease storehouse lid 47, be respectively equipped with sealing ring 51,49 between this lubricating grease storehouse lid 47 and perpendicular drive link 9 and the bearing pedestal 72, be provided with sealing ring 73 between this bearing pedestal 72 and the perpendicular drive link 9.
See Fig. 3, Fig. 7, Fig. 8, described needle bearing 52 is arranged between the transmission crank arm 5 and horizontal drive link 6 of transmission mechanism, and needle bearing 60 is arranged between flange connecting lever 16 and the tranverse connecting rod 7.
See Fig. 5, between described fingertip 32 and the fingertip seat 39, adopt multilayer soft copper band 35 and set bolt 34,36 to connect, set bolt 34 penetrates fingertip 32, and its front end is location plush copper 40, and this location plush copper 40 enters in the location hole of fingertip seat 39.
See Fig. 6, between described junction block 2 inwalls and conductive strips 46, be provided with insulation interlayer 42, and between conducting rod 1 lower end and fixed head 44, install insulating sleeve 43 and insulation cushion 45.
See Fig. 4, shown in Figure 10, the roller of bearing 12 bearings 20 can adopt corrosion resistant material to manufacture, and makes the inside and outside circle of bearing never because of iron rust adhesion clamping stagnation, is the enough intensity in retainer shaft bearing 22 stage casings, at four brace rods 21 of its outer setting.All fill lubricating grease in three lubricating grease storehouses and the bearing, its capacity exceeds ten times of the same bearing greases of common isolating switch, and sealing, protection bearing make its Never-rusty, clamping stagnation never.Non-return valve 28,30 is in order to replenish or to clean, to change lubricating grease.
See shown in Figure 5ly, fingertip 32 ends are made dome semicylinder 33, and recessed semi-cylindrical 37 is made in fingertip seat boss 38 sides, and making the two is the semi-cylindrical contact; And the boss 38 usefulness multilayer soft copper bands 35 and the set bolt 34,36 of fingertip 32 and fingertip seat 39 be connected, make the current path that " fixedly connected " arranged between them; The location plush copper 40 of the front end double as fingertip 32 of set bolt 34.Between both sides fingertip 32, be provided with extension spring 41 and fingertip location-plate 54, when the bigger contact 31 of width inserts between the both sides fingertip 32, fingertip 32 terminal can in fingertip seat boss 38 recessed semi-cylindricals 37, rotations, obviously because they become face of cylinder contact, not only friction is little, and contact area remains unchanged; Fingertip seat boss 38 can stop fingertip 32 dislocation, and it and conductive strips 35, makes to conduct electricity between fingertip 32 and the fingertip seat 39 well, and is overheated never.
See shown in Figure 6, installing insulation interlayer 42 between junction block 2 inwalls and the conductive strips 46, installing insulating sleeve 43 and insulation plain cushion 45 between its conducting rod 1 lower end and fixed head 44, in order to preventing junction block shell wall shunting conduction scaling loss shell wall and conductive strips 46, and conducting rod 1 clamping stagnation that gets rusty and cause because of its fixed head 44.
See shown in Figure 7ly, the bearing of transmission mechanism 8 is selected ball bearing 48 for use, and lubricating grease storehouse 50 is established on its top, and storehouse 50 and bearing 48 are by storehouse lid 47, sealing ring 49,51,73 sealings, protection, and lubricating grease is filled in its inside, with sealing, protection bearing.The connecting lever 5 installing needle bearings 52 of transmission mechanism 8, lubricating grease is filled in pad 53,55 sealings that make by different materials at these bearing 52 two ends in it, and sealing, protection bearing make that it can not get rusty, clamping stagnation.
See shown in Figure 9; the main shaft 70 of operating mechanism 14 adopts two ball bearings 64, and lubricating grease storehouse 65,66 is all established in the both sides of this two bearings 64, and this storehouse 65,66 is by storehouse lid 63 and sealing ring 56,67,68 sealings; fill lubricating grease in bearing 64 and the storehouse 65,66, in order to sealing, protection bearing non-corrosive.On the main shaft 70 of operating mechanism 14 handle 15 is housed, turning handle 15 can drive operating mechanism main shaft 70 and perpendicular drive link 9 rotates.
See shown in Figure 8, flange connecting lever 16 installing needle bearings 60, lubricating grease is filled in pad 61,62,63 sealings that make by different materials at these bearing 60 two ends in it, in order to sealing, protection bearing, make its non-corrosive, clamping stagnation.
Figure 11, Figure 12, Figure 13 are GW
5The bearing 75 of the common outdoor high-voltage isolating switch of-35 (110) II types, junction block 78, fingertip 76, fingertip seat 77 structural representations, so as with this GW
5-35 (110) IIMX types are exempted from each corresponding component of overhaul outdoor high-voltage isolating switch and are compared, and wherein 79 is conducting rods, and the 80th, conductive strips, the 81st, fixed head.
Claims (8)
1. exempt from the overhaul outdoor high-voltage isolating switch for one kind, it is by contact tube, fingertip, the fingertip seat, contact, junction block, post insulator, bearing, base, transmission mechanism and operating mechanism are formed, the post insulator upper end connects supports junction block, junction block connects the support contact tube, on the contact tube of two correspondences, connect the fingertip seat respectively, fingertip and contact, post insulator is by the seat supports of its underpart, this bearing is installed on the base, can drive bearing axle and flange rotation thereof by operating mechanism by transmission mechanism, thereby make fingertip and contact connection conduction or separate outage, it is characterized in that: in its bearing, in the operating mechanism, the tumbler that respectively supports in the transmission mechanism all adopts rolling bearing, and be provided with lubricating grease storehouse and gas-tight silo lid, in lubricating grease storehouse and bearing, fill lubricating grease; Respectively establish a boss in fingertip seat both sides, its side becomes recessed semi-cylindrical; Become protruding semi-cylindrical in that fingertip is terminal, touch, be provided with the conductive strips that they are fixedlyed connected with the fingertip end outside at fingertip seat boss with recessed semi-cylindrical on the fingertip seat boss.
2. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 1 is characterized in that: the rolling bearing in the described bearing is a roller bearing; Described bearing is by bearing pedestal, the bearing axle, flange, roller bearing, Cang Gai forms, this bearing pedestal two ends diameter is big, mid diameter is little, making wherein, intersegmental part constitutes central oiling fat storehouse, on central oiling fat storehouse, following two ends respectively are provided with, following roller bearing, respectively be provided with two annular grooves and two sealing rings at the two ends of bearing pedestal, this inner annular groove inwall height, outer wall is low, in annular groove, be provided with sealing gasket and lubricating grease, the annular groove at bearing pedestal two ends is provided with, following lubricating grease storehouse seal cover, be provided with between lubricating grease storehouse seal cover and the roller bearing, following lubricating grease storehouse is on this, seal cover outer, following lubricating grease storehouse buckles in the bearing pedestal inner annular groove.
3. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 2 is characterized in that: lubricating grease storehouse sidewall and central oiling fat storehouse sidewall are respectively installed a non-return valve that is used for supplemental lubrication fat on described.
4. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 1, it is characterized in that: the rolling bearing in the described operating mechanism is a ball bearing, it is arranged on operating mechanism main shaft upper/lower terminal, these two ball bearings both sides are equipped with the lubricating grease storehouse, buckle into lubricating grease Cang Gai at its base two ends, be equipped with sealing ring between this lubricating grease Cang Gai and main shaft and the base, be provided with sealing ring between this base and the main shaft.
5. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 1, it is characterized in that: the rolling bearing in the described transmission mechanism is ball bearing and needle bearing, its ball bearing is arranged on the perpendicular drive link upper end of transmission mechanism, these ball bearing both sides are provided with the lubricating grease storehouse, on its bearing pedestal, be buckled with lubricating grease Cang Gai, be equipped with sealing ring between this lubricating grease Cang Gai and perpendicular drive link and the bearing pedestal, be provided with sealing ring between this bearing pedestal and the perpendicular drive link.
6. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 5 is characterized in that: described needle bearing is arranged between the transmission crank arm and horizontal drive link of transmission mechanism, and between flange connecting lever and the tranverse connecting rod.
7. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 1 is characterized in that: between described fingertip and the fingertip seat, adopt multilayer soft copper band and set bolt to connect, set bolt penetrates fingertip, and its front end is the location plush copper.
8. the overhaul outdoor high-voltage isolating switch of exempting from according to claim 1 is characterized in that: be provided with the insulation interlayer between described junction block inwall and conductive strips, and be equiped with insulating sleeve and insulation cushion between its conducting rod lower end and fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209348 CN2533565Y (en) | 2002-03-25 | 2002-03-25 | Non-overhaul outdoor high-tension isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02209348 CN2533565Y (en) | 2002-03-25 | 2002-03-25 | Non-overhaul outdoor high-tension isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2533565Y true CN2533565Y (en) | 2003-01-29 |
Family
ID=33689789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02209348 Expired - Fee Related CN2533565Y (en) | 2002-03-25 | 2002-03-25 | Non-overhaul outdoor high-tension isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2533565Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452791B (en) * | 2007-11-29 | 2011-11-02 | 河南平高电气股份有限公司 | Electric connection device of outdoor high-voltage isolating switch |
| CN102903558A (en) * | 2012-10-24 | 2013-01-30 | 苏州工业园区天东电器有限公司 | Insulation switch for subway |
-
2002
- 2002-03-25 CN CN 02209348 patent/CN2533565Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452791B (en) * | 2007-11-29 | 2011-11-02 | 河南平高电气股份有限公司 | Electric connection device of outdoor high-voltage isolating switch |
| CN102903558A (en) * | 2012-10-24 | 2013-01-30 | 苏州工业园区天东电器有限公司 | Insulation switch for subway |
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