CN101206147B - Pressure measurement device for portable V type loaded switch movable contact - Google Patents
Pressure measurement device for portable V type loaded switch movable contact Download PDFInfo
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- CN101206147B CN101206147B CN200710172201XA CN200710172201A CN101206147B CN 101206147 B CN101206147 B CN 101206147B CN 200710172201X A CN200710172201X A CN 200710172201XA CN 200710172201 A CN200710172201 A CN 200710172201A CN 101206147 B CN101206147 B CN 101206147B
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Abstract
The invention discloses a portable v-shaped load switch dynamic contact pressure measurement device, which comprises a measurement mechanism part and a fixed base seat part; a fixed seat of the measurement mechanism comprises an upper fixed seat and a lower fixed seat, is arranged on a base plate, two guiding rails are arranged between the upper fixed seat and the lower fixed seat respectively, a panel is arranged on the two guiding rails via a panel sleeve, the base plate is also provided with two base plate sleeves and a handle, one end of the handle is provided with a worm wheel, the worm gear is arranged on the panel, an extension spring is arranged between the panel and the base plate, a pressure measurement meter is arranged on the panel; the fixed base seat part comprises a holding ring, two sleeves and two axles, the two axles are fixed by two sleeves on both ends of the holding ring respectively and are sleeved with two base plate sleeves fixed on the base plate, the base plate is vertical to the axial line of the axle, the holding ring can be fixed on the main shaft of the v-shaped load switch which is needed to measure the contact pressure. The invention is high in measurement accuracy and suitable for working in substations.
Description
Technical field
The present invention relates to transformer loaded switch movable contact device for pressure measurement, relate in particular to the measurement mechanism of lightweight V-type loaded switch movable contact pressure, be used for pressure at transformer station's in-site measurement V-type loaded switch movable contact.
Background technology
For guaranteeing the power grid security reliability service, guarantee quality of voltage, extensively adopt ULTC to carry out pressure regulation in the electric system.Loaded switch as in the transformer unique under high-voltage large current the parts of rapid movement, its failure rate is higher relatively.At present, it is owing to the loaded switch fault causes that ULTC has an accident many, the main cause of V-type loaded switch burning damage accident is because the dynamic/static contact contact pressure diminishes, and causes that dynamic/static contact loose contact, temperature rise are too high to cause contact melting welding, finally causes the loaded switch scaling loss.
The contact pressure of dynamic/static contact is that the bounce (being called for short moving contact pressure) that produces behind the spring system compressive deformation of moving contact when being contacted with static contact by moving contact determines.Generally fixed V-type loaded switch pick-up unit is all arranged in loaded switch manufacturing firm, it adopts support formula fixation measuring platform to measure loaded switch movable contact pressure, existing measurement structure is general, and what adopt is that screw rod drives gauge outfit and presses down with moving contact and contact, thus measurement moving contact pressure., can't use at the scene simultaneously because this type of equipment volume is big and be fixed.At present, in the V-type loaded switch site examining and repairing of transformer station, for the detection of moving contact pressure is that the feel of abundant by rule of thumb master craftsman when pushing moving contact with hand manually estimated, can't detection by quantitative, this loaded switch for rapid movement under high-voltage large current is a very big hidden danger.
Summary of the invention
The object of the present invention is to provide a kind of portable V type loaded switch movable contact device for pressure measurement, this measurement mechanism is simple in structure, and general assembly (TW) is light, and be easy to carry and operate, and the measuring accuracy height, be adapted at transformer station's work on the spot.
The present invention is achieved in that a kind of portable V type loaded switch movable contact device for pressure measurement, partly forms by measuring mechanism part and fixed pedestal,
Measuring mechanism partly comprises holder, base plate, base plate axle sleeve, guide rail, panel axle sleeve, panel, pressure-measuring device, extension spring, handle, worm gear, worm screw; Holder is made up of upper fixed seat and lower fixed seat, and holder is installed on the base plate, and two base plate axle sleeves also are installed on the base plate, and two guide rails are installed in respectively between upper fixed seat and the lower fixed seat, and panel is installed on two guide rails by the panel axle sleeve; Handle also is housed on the base plate, and handle one end is equipped with worm gear, is installed on the panel with the worm screw of worm wheel; Between panel and the base plate extension spring is housed, pressure-measuring device is installed on the panel;
The fixed pedestal part is made up of an armful circle, axle sleeve, axle, two axles are fixed by two axle sleeves embracing on the circle that are positioned at two ends respectively, also be set with two base plate axle sleeves that are fixed on the base plate on two axles simultaneously, base plate becomes vertical configuration with the axial line of two axles, embraces circle and can be fixed on the V-type loaded switch main shaft that needs measuring contacts pressure.
Described armful of circle be by embracing the circle body and embracing a circle curved boom and forms, embraces circle curved boom two ends and enclose body bottom two ends and be hinged and snapping with embracing respectively; Embracing circle body top is the pit shape, and axle sleeve is equipped with on pit shape two arm tops respectively.
The present invention can be at the transformation station of electric power power transmission and transformation in-site measurement V-type loaded switch movable contact pressure, the fixed pedestal of measurement mechanism of the present invention partly is mainly used in the measuring mechanism partial fixing on V-type loaded switch main shaft, provides measuring basis for measuring moving contact pressure; The fixed pedestal part must have enough physical strengths, to guarantee measuring accuracy.Pressure-measuring device is contained on the measuring mechanism part of the present invention, the measuring mechanism part can be along moving axially on the axle of fixed pedestal part, be rotatably installed in the height of the handle adjustable pressure measuring instrument on the base plate, behind measuring contacts pressure, the extension spring between base plate and panel can make pressure-measuring device get back to reference position.
Because measurement mechanism of the present invention mainly is in the on-the-spot use of transformer station, when guaranteeing its precision, physical strength, necessary convenient in carrying, in light weight, so measurement mechanism is selected the material of physical strength height, light weight for use, can guarantee precision and physical strength like this, be applicable to work on the spot again.
Description of drawings
Fig. 1 is a portable V type loaded switch movable contact pressure measurement device configurations synoptic diagram of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 be among Fig. 1 A to view (remove pressure-measuring device and panel);
Fig. 4 is the structural representation that is installed in the measurement mechanism of the present invention on the loaded switch main shaft;
Fig. 5 is the left view of Fig. 4.
Among the figure: 1,13 armfuls of circles, 2,19 upper fixed seats, 26,27 lower fixed seats, 3,18 base plate axle sleeves, 4,15,16,17 axle sleeves, 5,14,6,20,23,24 panel axle sleeves, 7,8 guide rails, 9 base plates, 10 pressure-measuring devices, 11 panels, 12 handles, 21 switch spindle, 22 switch movable contacts, 25 worm screws, 28 worm gears, 29 extension springs, 30 armfuls of circle bodies, 31 armfuls of circle curved booms.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3, a kind of portable V type loaded switch movable contact device for pressure measurement partly is made up of measuring mechanism part and fixed pedestal.
Measuring mechanism partly comprises holder, base plate 9, base plate axle sleeve 3,18, guide rail 7,8, panel axle sleeve 6,20,23,24, panel 11, pressure-measuring device 10, extension spring 29, handle 12, worm gear 28, worm screw 25.Holder is made up of upper fixed seat 2,19 and lower fixed seat 26,27, and holder is installed on the base plate 9, and two guide rails 7,8 are installed in respectively between upper fixed seat 2,19 and the lower fixed seat 26,27, and two guide rails 7,8 are fixed on the base plate 9.Panel 11 rear portions are installed on two guide rails 7,8 by four panel axle sleeves 6,20,23,24, make and plate 11 can slide up and down along guide rail 7,8, and pressure-measuring device 10 is equipped with in panel 11 front portions.Handle 12 also is housed on the base plate 9, and handle 12 1 ends are equipped with worm gear 28, and the worm screw 25 of matching with worm gear 28 is installed on the panel 11, but turning handle 12 panels 11 move up and down, thereby can regulate the height of pressure-measuring device 10.Between panel 11 rear portions and base plate 9 extension spring is housed, behind measuring contacts pressure, panel-mounted pressure-measuring device can be got back to original position.Two base plate axle sleeves 3,18 also are installed on the base plate 9, are used for base plate 9 is sleeved on axle 5,14.
The fixed pedestal part is made up of an armful circle 1,13, axle sleeve 4,15,16,17, axle 5,14, two axles 5,14 are fixing by two that are positioned at two ends four axle sleeves 4,15,16,17 of embracing on the circle 1,13 respectively, also be set with two the base plate axle sleeves 3,18 that are fixed on the base plate 9 on two axles 5,14 simultaneously, base plate 9 becomes vertical configuration with the axial line of two axles 5,14, like this measuring mechanism part just and two embrace 1,13 and two axle of circle 5,14 and form wholely, embrace circle 1,13 and can be fixed on the V-type loaded switch main shaft that needs measuring contacts pressure.Embrace circle 1,13 by embracing circle body 30 and embracing a circle curved boom 31 and forms, embrace circle curved boom 31 2 ends and enclose body 30 bottoms two ends and be hinged and snapping with embracing respectively; Embracing circle body 30 tops is the pit shape, and axle sleeve 4,15 (or axle sleeve 16,17) is equipped with on pit shape two arm tops respectively.
Referring to Fig. 4, Fig. 5, in the transformer maintenance sites, be fixed on the main shaft 21 that needs the V-type of measuring contacts pressure loaded switch embracing circle 1,13, axle 5,14 is respectively by passing in the axle sleeve of embracing on the circle 13 16,17, after axle 5,14 passed two the base plate axle sleeves 3,18 that are fixed on the base plate 9 more respectively then, two axle sleeves 4,15 from another armful circle 1 passed.The measuring mechanism part of partly being made up of base plate 9, panel 11, pressure-measuring device 10 etc. so just and embrace the fixed pedestal that 1,13 and two axle 5,14 of circle etc. partly forms by two and partly form a whole is fixed on the V-type loaded switch main shaft 21.The measuring mechanism part that pressure-measuring device 10 is housed is slided axially into moving contact 22 places of V-type loaded switch main shaft along axle 5,14, rotating two armfuls of circles 1,13 makes measurement mechanism around 21 rotations of V-type loaded switch main shaft, make pressure-measuring device 10 over against V-type loaded switch movable contact 22, adjusting handle 12 makes pressure-measuring device 10 to bottom offset, make the spring system compressive deformation of moving contact 22 by pressure-measuring device 10, the pressure the when spring system of measuring moving contact 22 reaches standard distortion size.
Switch movable contact 22 pressure are key parameters of loaded switch, and its quality state directly influences the serviceable life of loaded switch, measure moving contact 22 pressure by measurement mechanism of the present invention, can realize by the loaded switch site examining and repairing its state being assessed.
Pick-up unit rig-site utilization of the present invention is in the pressure survey of transformer V-type loaded switch movable contact, solved the blind spot that in V-type loaded switch site examining and repairing, only relies on artificial experience for many years and can't quantitative measurment, stop the serious accident that produces owing to the dynamic/static contact loose contact effectively, can improve the transformer operational reliability greatly, reduce operating cost.
Claims (2)
1. a portable V type loaded switch movable contact device for pressure measurement partly is made up of measuring mechanism part and fixed pedestal, it is characterized in that:
Measuring mechanism partly comprises holder, base plate, base plate axle sleeve, guide rail, panel axle sleeve, panel, pressure-measuring device, extension spring, handle, worm gear, worm screw; Holder is made up of upper fixed seat and lower fixed seat, and holder is installed on the base plate, and two base plate axle sleeves also are installed on the base plate, and two guide rails are installed in respectively between upper fixed seat and the lower fixed seat, and panel is installed on two guide rails by the panel axle sleeve; Handle also is housed on the base plate, and handle one end is equipped with worm gear, is installed on the panel with the worm screw of worm wheel; Between panel and the base plate extension spring is housed, pressure-measuring device is installed on the panel;
The fixed pedestal part is made up of an armful circle, axle sleeve, axle, two axles are fixed by two axle sleeves embracing on the circle that are positioned at two ends respectively, also be set with two base plate axle sleeves that are fixed on the base plate on two axles simultaneously, base plate becomes vertical configuration with the axial line of two axles, embraces circle and can be fixed on the V-type loaded switch main shaft that needs measuring contacts pressure.
2. a kind of portable V type loaded switch movable contact device for pressure measurement according to claim 1 is characterized in that: embrace circle by embracing the circle body and embracing a circle curved boom and forms, embrace circle curved boom two ends and enclose body bottom two ends and be hinged and snapping with embracing respectively; Embracing circle body top is the pit shape, and axle sleeve is equipped with on pit shape two arm tops respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710172201XA CN101206147B (en) | 2007-12-13 | 2007-12-13 | Pressure measurement device for portable V type loaded switch movable contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710172201XA CN101206147B (en) | 2007-12-13 | 2007-12-13 | Pressure measurement device for portable V type loaded switch movable contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101206147A CN101206147A (en) | 2008-06-25 |
| CN101206147B true CN101206147B (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710172201XA Expired - Fee Related CN101206147B (en) | 2007-12-13 | 2007-12-13 | Pressure measurement device for portable V type loaded switch movable contact |
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| CN (1) | CN101206147B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901592A (en) * | 2012-10-11 | 2013-01-30 | 中国计量学院 | Magnetic latching relay contact pressure detection and movement testing device and use method thereof |
| CN109283458A (en) * | 2017-07-19 | 2019-01-29 | 平高集团有限公司 | Self extinguishing type high-voltage switch gear break performance experimental rig |
| CN109323787B (en) * | 2017-08-01 | 2021-08-06 | 平高集团有限公司 | Contact finger clamping force measuring device |
| CN110806309B (en) * | 2018-08-03 | 2022-03-08 | 施耐德电器工业公司 | Testing device for contactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072222U (en) * | 1990-08-01 | 1991-02-27 | 沈红强 | Contact pressure measurer |
| CN2186397Y (en) * | 1994-01-15 | 1994-12-28 | 黑龙江省哈尔滨新生开关厂 | Contact pressure admeasuring apparatus of indoor high-voltage separating switch |
| FR2773396A1 (en) * | 1998-01-06 | 1999-07-09 | Gec Alsthom T & D Sa | Test tool for measuring the pressure exerted by individual spring contacts arranged within the cylindrical pole of a high voltage circuit breaker |
| CN201138256Y (en) * | 2007-12-13 | 2008-10-22 | 上海电力变压器修试厂有限公司 | Pressure measurement apparatus for moving contact of portable V typed loaded switch |
-
2007
- 2007-12-13 CN CN200710172201XA patent/CN101206147B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072222U (en) * | 1990-08-01 | 1991-02-27 | 沈红强 | Contact pressure measurer |
| CN2186397Y (en) * | 1994-01-15 | 1994-12-28 | 黑龙江省哈尔滨新生开关厂 | Contact pressure admeasuring apparatus of indoor high-voltage separating switch |
| FR2773396A1 (en) * | 1998-01-06 | 1999-07-09 | Gec Alsthom T & D Sa | Test tool for measuring the pressure exerted by individual spring contacts arranged within the cylindrical pole of a high voltage circuit breaker |
| CN201138256Y (en) * | 2007-12-13 | 2008-10-22 | 上海电力变压器修试厂有限公司 | Pressure measurement apparatus for moving contact of portable V typed loaded switch |
Non-Patent Citations (2)
| Title |
|---|
| 沈聿修.高压开关触头解除压力的测量.高压电器 3.1996,(3),全文. |
| 沈聿修.高压开关触头解除压力的测量.高压电器 3.1996,(3),全文. * |
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| Publication number | Publication date |
|---|---|
| CN101206147A (en) | 2008-06-25 |
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| C14 | Grant of patent or utility model | ||
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Owner name: SHANGHAI JIULONG ELECTRIC (GROUP) CO., LTD. Free format text: FORMER OWNER: SHANGHAI ELECTRIC POWER TRANSFORMER REGULATOR FACTORY CO., LTD. Effective date: 20120229 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200436 ZHABEI, SHANGHAI TO: 200070 ZHABEI, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120229 Address after: Shanghai City Garden Road 200070 No. 228 Patentee after: Shanghai Jiulong Electric Power (Group) Co., Ltd. Address before: 200436 No. 350 West Road, Zhabei District, Shanghai Patentee before: Shanghai Electric Power Transformer Regulator Factory Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20191213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |