CN103223272B - On-load tap-changer on-line oil filter all-in-one machine - Google Patents
On-load tap-changer on-line oil filter all-in-one machine Download PDFInfo
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- CN103223272B CN103223272B CN201310160167.XA CN201310160167A CN103223272B CN 103223272 B CN103223272 B CN 103223272B CN 201310160167 A CN201310160167 A CN 201310160167A CN 103223272 B CN103223272 B CN 103223272B
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Abstract
Disclosed is an on-load tap-changer on-line oil filter all-in-one machine. An oil pump motor and a filter core are installed on an oil-way integrated board which is fixed on a base plate inside a case. An oil pump and filter core oil pipes are arranged inside the case. An oil pump and filter core oil inlet and outlet pipe orifices which respectively communicate with and are corresponding to the oil pump and the filter core oil pipes are installed on the surface of the case. The oil pump and the filter core oil inlet and outlet pipe orifices on the oil-way integrated board respectively communicate with corresponding oil pump and filter core inlet and outlet on the oil pump and filter cores. The filter cores are mounted inside the case of an on-load tap-changer and are respectively connected with the oil pump and filter core bottom surface face to face and hole to hole by the utilization of oil pipes and the inlet and outlet pipe orifices on the oil-way integrated board. That is to say, the filter cores and the oil inlet and outlet on the oil pump are tightly arranged with the oil inlet and outlet pipe orifices on the oil-way integrated board respectively. The on-load tap-changer on-line oil filter all-in-one machine has advantages of good tightness, compact structure and small size. As there is no pipe joint, leakage phenomenon of pipelines will not happen. Production cost is greatly reduced. Service life is prolonged. The inlet of the oil pump is provided with a protective valve so as to guarantee use security.
Description
Technical field
The present invention relates to one is directly installed in load ratio bridging switch casing by on-line oil filter, the disposable on-load tap-changer on-line oil filtering integrated machine connecting into entirety.
Background technology
China Patent No. 200710069308.1 " on-load tap-changer on-line oil filtering integrated machine ", though also providing one is directly installed in switch casing by on-line oil filter, settle at one go and connect into overall all-in-one, but the filter core on this all-in-one is mounted in outside shunting switch casing, though filter core is convenient to install, exchange, but also there are some defects in it, as large in volume, fragile, profile unsightly, and filter core is connected with the oil pump in casing with pipe joint by pipeline, the phenomenon and the manufacturing cost that therefore also there is Leak in Oil Pipe are high.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of on-load tap-changer on-line oil filtering integrated machine, on-line oil filter is arranged on completely integrant all-in-one in load ratio bridging switch, and compact conformation, volume are little reduces production cost again, also extends the service life of all-in-one.
The present invention's adopted technical scheme that solves the problem is: on-load tap-changer on-line oil filtering integrated machine, comprises and be arranged on case lid, switching motor in casing and worm screw, worm gear form transmission mechanism, by wink rotating shaft with pull out slotware, second worm gear, pull bar and extension spring connect and coordinate the switching mechanism formed with sheave, insulating cylinder, rotating shaft is installed at cylinder the end, moving contact assembly on moving contact frame coordinates with static contact, and moving contact frame is connected to the load ratio bridging switch that rotating shaft is formed, also comprise the on-line oil filter be arranged in casing, described on-line oil filter is connected with oil pump by Oil pump electrical machinery, Oil pump electrical machinery and more than one filter core are arranged on oil circuit circuit board, and oil circuit circuit board is fixed on the base plate in casing, have oil pump oil pipe in described oil circuit circuit board, filter core oil pipe, oil circuit circuit board surface has and oil pump, filter core oil pipe communicates and corresponding oil pump respectively, entering of filter core, the fuel-displaced mouth of pipe, the oil pump on described oil circuit circuit board, filter core enters, the fuel-displaced mouth of pipe respectively with oil pump, oil pump corresponding on filter core enters, oil-out, filter core enters, oil-out is connected.
Compared with prior art, the invention has the advantages that: loaded switch and online oil filtration two parts are respectively for absolute construction can work alone, because of existing by filter core first or filter core first, second is all arranged in the casing of load ratio bridging switch, and use the oil pipe on an oil circuit circuit board and enter, the fuel-displaced mouth of pipe respectively with oil pump, filter core first, the bottom surface of second, face-to-face, hole connects hole, even if filter core, entering on oil pump, oil-out respectively with entering on oil circuit circuit board, the corresponding close installation of the fuel-displaced mouth of pipe, not only good airproof performance, also because pipeline Seepage can not be there is without pipe joint, its compact conformation, decrease part, save material, therefore volume reduces greatly, thus greatly reduce production cost, also extend the service life of all-in-one, also safety protective valve is installed in the import department of oil pump in addition, when oil pressure suffered by filter core is too high, protective valve earial drainage can be opened, the use safety of protection all-in-one.
Accompanying drawing explanation
Fig. 1, structural representation of the present invention.
Fig. 2, filter core first and oil circuit circuit board syndeton schematic diagram.
A-A sectional view of Fig. 3, Fig. 1.
B-B sectional view of Fig. 4, Fig. 1.
C-C sectional view of Fig. 5, Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
At the bottom of the upper end of insulating cylinder 2 and ring flange 8 lower end and insulating cylinder lower end and cylinder, 1 is integrally fixed with rivet, sealing ring, the uniform fixing static contact 5 of insulating cylinder 2 both side surface, moving contact assembly 6, resistance wire tray 4 is connected on moving contact frame 3, be fixed in rotating shaft 7 with screw is uniform, rotating shaft 7 upper end is connected with bearing and sheave 11, the upper end of rotating shaft 7 is also connected with the Moving plate of indicating dial 9, at the bottom of the lower end of rotating shaft 7 is fixed on tin 1 centre position on.
The casing 18 and the base plate 10 that are connected with case lid 17 are screwed on ring flange 8, are also provided with bearing in the middle of base plate 10, and its upper surface installs sheave 11, and lower surface is fixed on the quiet dish of indicating dial 9.
The worm screw 36 of switching motor 15 axle head engages with the first worm gear (scheming not draw), and wink rotating shaft 22 is connected with extension spring 33 by pull bar 34, and wink rotating shaft 22 is arranged on to pull out in slotware 21 and is connected with the second worm gear 35, pull bar 34.
Switching motor 15 is fixed with in casing 18 side, the upper and lower surperficial correspondence position of the oil circuit circuit board 13 of relative side is screwed Oil pump electrical machinery 16 and oil pump 12 respectively, oil circuit circuit board 13 is fixed on the base plate 10 in casing 18 by the column 20 on lower surface, as shown in Figure 1.
The pump inlet pipe 23 of oil pump 12 lower end inserts in insulating cylinder 2, and filter core first, second 14,19 or filter core and Oil pump electrical machinery 16 are screwed respectively on oil circuit circuit board 13, as shown in Figure 3.
The bottom surface of filter core first 14 has into and out of hydraulic fluid port 24 ', 25 ', respectively with on oil circuit circuit board into and out of oil pipe mouth 24,25 corresponding, as shown in Figure 2.The bottom surface of in like manner filter core second 19 has into and out of on hydraulic fluid port 30 ', 31 ' (figure does not draw) and oil circuit circuit board into and out of oil pipe mouth 30,31 corresponding.
Have in oil circuit circuit board 13 centre position and do not communicate, not at two oil pump oil pipes 29 and the filter core oil pipe 32 of same aspect, one of oil circuit circuit board 13 also have respectively on the surface the filter core first 14 on its surface vertical into and out of oil pipe mouth 24,25, filter core second 19 into and out of oil pipe mouth 30,31 and oil pump 12 into and out of hydraulic fluid port 27,28.
The sidewall of oil pump oil pipe 29 is opened a passage vertical with oil pump oil pipe, the flow-limiting valve 26 that is made up of is installed in passage and communicates with oil pump oil-in 27 spring 26-1 and the stifled 26-2 of plug.Oil pump oil pipe 29 midfeather also have an oil pump oil-out 28 be connected with the oil-feed mouth of pipe 24 of the filter core first 14 on oil pump oil pipe one termination, and oil pump oil-out 28 is connected with pump inlet pipe 23, filter core oil pipe 32 there is the oil-feed mouth of pipe 30 of filter core second 19, as shown in Figure 4.
During use, starting switch motor 15 and Oil pump electrical machinery 16 respectively, after switching motor rotates, through two-stage worm screw 36, after second worm gear 35 deceleration transmission, encounter when the pin on the second worm gear 35 and drive pull bar 34 to rotate, the extension spring 33 linked together with pull bar 34 is progressively stretched energy storage, when extension spring is by " dead point " position, extension spring 33 discharges suddenly, pull out slotware 21 by wink rotating shaft 22 drive to rotate, stir sheave 11 rotate an indexing trough rapidly and lock, rotating shaft 7 is driven to rotate an angle again by sheave 11, make moving contact assembly 6 and organize static contact 5 separately and coordinate, realize the switching of switch, complete the normal operation of load ratio bridging switch, as shown in Figure 5.
Drive oil pump 12 to rotate by Oil pump electrical machinery 16 simultaneously, insulating oil through insulating cylinder 2 domestic demand being exchanged is sucked by pump inlet pipe 23, by oil pump oil-in 27, again through oil pump oil-out 28 after flow-limiting valve 26, enter filter core first, second 14, filter core oil-in 24 ' on 19, 30 ' enters filter core first, after second is filtered, clean insulating oil is by filter core first, oil-out 25 ' in second, 31 ' discharges, the fuel-displaced mouth of pipe 25 on oil circuit circuit board, 31 are discharged in casing 18, flow into again in insulating cylinder 2 for, therefore can when voltage transformer system normally runs, the impurity such as the free carbon in effective removal on-load tap changer insulating oil and metal particle, improve load ratio bridging switch reliability of operation, security and service life, thus ensure the safe operation of transformer.
Claims (6)
1. an on-load tap-changer on-line oil filtering integrated machine, comprise and be arranged on case lid (17), switching motor (15) in casing (18) and worm screw, the transmission mechanism that worm gear is formed, by wink rotating shaft (22) with pull out slotware (21), second worm gear (35), pull bar (34) and extension spring (33) connect and coordinate with sheave (11) switching mechanism formed, insulating cylinder (2), cylinder is provided with rotating shaft (7) in the end (1), moving contact assembly (6) on moving contact frame (3) coordinates with static contact (5), and moving contact frame is connected to the load ratio bridging switch that rotating shaft is formed, characterized by further comprising the on-line oil filter be arranged in casing (18), described on-line oil filter is connected with oil pump (12) by Oil pump electrical machinery (16), Oil pump electrical machinery and more than one filter core are arranged on oil circuit circuit board (13), oil circuit circuit board (13) is fixed on the base plate (10) in casing, oil pump oil pipe (29) is had in described oil circuit circuit board (13), filter core oil pipe (32), oil circuit circuit board surface has and communicates respectively and corresponding pump inlet pipe mouth (27) with oil pump oil pipe (29) and filter core oil pipe (32), oil pump outlet line mouth (28), pump inlet pipe mouth (27) on described oil circuit circuit board, oil pump outlet line mouth (28) respectively with oil pump (12), pump inlet pipe (23) corresponding on filter core, entering on filter core, oil-out is connected.
2. on-load tap-changer on-line oil filtering integrated machine according to claim 1, is characterized in that on the base plate (10) that described oil circuit circuit board (13) is fixed on by the column (20) of lower surface in casing (18).
3. on-load tap-changer on-line oil filtering integrated machine according to claim 1, it is characterized in that described filter core is filter core first (14), filter core second (19), described Oil pump electrical machinery (16) and filter core first, second (14,19) are screwed respectively on oil circuit circuit board (13).
4. on-load tap-changer on-line oil filtering integrated machine according to claim 1, it is characterized in that having in described oil circuit circuit board (13) centre position and do not communicate, not at two oil pump oil pipes (29) and the filter core oil pipe (32) of same aspect, have the filter core first (14) on its surface vertical on the surface respectively into and out of oil pipe mouth (24,25) at one of oil circuit circuit board (13), filter core second (19) is into and out of oil pipe mouth (30,31) and oil pump (12) into and out of oil pipe mouth (27,28).
5. on-load tap-changer on-line oil filtering integrated machine according to claim 4, the sidewall that it is characterized in that described oil pump oil pipe (29) opens a passage vertical with oil pump oil pipe, the flow-limiting valve (26) that is made up of spring (26-1) and plug stifled (26-2) is installed in passage and communicates with pump inlet pipe mouth (27), oil pump oil pipe (29) midfeather also has an oil pump outlet line mouth (28).
6. on-load tap-changer on-line oil filtering integrated machine according to claim 3, the bottom surface that it is characterized in that described filter core first (14) there are filter core first oil-in (24 '), filter core first oil-out (25 '), described filter core second (19) have filter core second oil-in (30 '), filter core second oil-out (31 ') are communicated with the filter core first oil-feed mouth of pipe (24) on oil circuit circuit board, the fuel-displaced mouth of pipe of filter core first (25), the filter core second oil-feed mouth of pipe (30), the fuel-displaced mouth of pipe of filter core second (31) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160167.XA CN103223272B (en) | 2013-05-03 | 2013-05-03 | On-load tap-changer on-line oil filter all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310160167.XA CN103223272B (en) | 2013-05-03 | 2013-05-03 | On-load tap-changer on-line oil filter all-in-one machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103223272A CN103223272A (en) | 2013-07-31 |
| CN103223272B true CN103223272B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310160167.XA Active CN103223272B (en) | 2013-05-03 | 2013-05-03 | On-load tap-changer on-line oil filter all-in-one machine |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100482314C (en) * | 2007-06-14 | 2009-04-29 | 史伟峰 | On-load tap-changer on-line oil filtering integrated machine |
| CN201510795U (en) * | 2009-08-25 | 2010-06-23 | 史伟国 | On-load tap changer on-line oil-filtering integrative machine |
| CN203494275U (en) * | 2013-05-03 | 2014-03-26 | 史伟国 | Online oil filter integrated machine for on-load tap switch |
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- 2013-05-03 CN CN201310160167.XA patent/CN103223272B/en active Active
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| CN103223272A (en) | 2013-07-31 |
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