CN102749011A - Plastic shell type testing tool for rotary shaft of circuit breaker and usage method of plastic shell type testing tool - Google Patents
Plastic shell type testing tool for rotary shaft of circuit breaker and usage method of plastic shell type testing tool Download PDFInfo
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- CN102749011A CN102749011A CN2012102597925A CN201210259792A CN102749011A CN 102749011 A CN102749011 A CN 102749011A CN 2012102597925 A CN2012102597925 A CN 2012102597925A CN 201210259792 A CN201210259792 A CN 201210259792A CN 102749011 A CN102749011 A CN 102749011A
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Abstract
The invention relates to a plastic shell type testing tool for a rotary shaft of a circuit breaker and a usage method of the plastic shell type testing tool. The plastic shell type testing tool is characterized by comprising a middle insert, two edge inserts, a baseboard, three pins used for fixedly connecting the three inserts and the baseboard together, a testing block, an embedded shaft, a cover, a fixed shaft rod and a testing shaft rod used for simultaneously passing through a hole for connecting a contact and used in a tested rotary shaft and a through hole between the bottom surfaces of the testing block; the three inserts including the middle insert and the two edge inserts are fixed on the baseboard and are respectively inserted into free positions of three phases of the tested rotary shaft; the testing block is inserted into an oblong through hole in the middle insert; and the cover can be used for covering the three inserts. The testing tool has the characteristics of simplicity in operation, convenience in processing (processing can be finished only by linear cutting and grinding processing), easiness in carrying, convenience in storage and the like. The testing speed of the testing tool is 20 times that of a three-dimensional projector and 25 times that of a height gauge, and thus, the working efficiency is increased, the labor intensity is reduced, and meanwhile, the cost is greatly reduced.
Description
Technical field
The invention belongs to a kind of testing tool that is used for mold cased circuit breaker, particularly relate to a kind of testing tool and method of application thereof of mold cased circuit breaker rotating shaft.
Background technology
At present mainly be applicable to the following mold cased circuit breaker product of 225A rotating shaft (shown in Fig. 1,2,3 shafts 28) as the strength member in the breaker of plastic casing; The contact parameter is played a part key, hold parameters such as distance, the excess of stroke, end pressure and all can change because of the rotating shaft mass level.But; The complex structure of rotating shaft part own; Inside dimension is a lot of; Be difficult for complete detection; Especially the size relationship that is used in the blind hole 1 that the location torsion spring of using as upset rotating shaft and the contact that is connected with rotating shaft thereof is fixed on an end in the rotating shaft and the rotating shaft to be connected between pilot hole 2 these two holes of the axle that rotating shaft and positioning contact use is most important, if be the Y axle to locate the center line that torsion spring is fixed between the opening two side of C shape blind hole 1 of rotating shaft one end promptly, promptly the Y axle also is the center of circle through blind hole 1 semicircle; Then if when doing an X plane perpendicular to the Y axle with in the heart line in two pilot holes 2 in the rotating shaft, the center of circle of the semi-circular portions on the Y axle in the C shape blind hole 1 and Y axle between the intersection point on X plane apart from the intersection point on J and Y axle and X plane to the distance P between two pilot holes, 2 lines of centres; When checking two sizes of J, P of 1 of this pilot hole 2 and blind hole, all adopted in the past rotating shaft was partly cut open from the centre; Detect or 3-dimensional image appearance projection detection with the height gauge line then; Because rotating shaft belongs to plastic part, self intensity certainly can not be comparable with this steel structure material of height gauge, in the process that height gauge slides; Very easily seized place is scratched, increase and detect error.And rotating shaft is irregular part, and reference field is very little, and it is very big to measure difficulty, and color is darker in addition; Edge fog, location difficulty, and be a blind hole; Also be inconvenient to detect with the image appearance, reason is that blind hole 1 is detected, and image appearance screen display interface is to lack unity and coherence to show fuzzy slightly.Generally speaking, two kinds of methods all can not accurately detect the pilot hole 2 of above-mentioned blind hole 1 and the axle that is used to be connected rotating shaft and contact, vital size between these two holes, and speed is extremely slow, not only influences benefit, and cut off rotating shaft and also cause waste more than.Therefore must a kind ofly neither part be dissected, can know the cubing of accurate detection critical size again.
Summary of the invention
The present invention provides a kind of neither with the part dissection for solving the technical matters that exists in the known technology, can know the testing tool and the method for application thereof of the mold cased circuit breaker rotating shaft of accurate detection critical size again.
The technical scheme that the present invention takes for the testing tool of mold cased circuit breaker rotating shaft for the technical matters that exists in the solution known technology is:
It includes in one and inserts, insert in two limits, base plate, three are used for described three pins that are fixed together with described base plate inserted, one are tested piece, edge axle, lid, fixedly a mandrel rod and a detection mandrel rod;
Inserting in described is the rectangular parallelepiped that a rectangle boss is respectively arranged on two relative sides of bottom; And being fixed with one above the rectangle boss on the minor face at this is the semicircle boss of radius with this minor face; Inserting in described has a rectangular through holes between other two sides outside upper end and the described both sides that have a boss; Also be fixed with a pair of side plate that rides on the described base plate in this lower end, two sides; And a hole respect to one another is arranged respectively on this biside plate; There is a hole at center, top in the rectangular through holes of said upper end, and this hole is identical with another hole size on the described rectangular through holes hole wall of facing vertically downward, and the center line of the center line in these two holes and described two rectangle boss rectangular parallelepipeds in one plane;
Inserting in described limit is the rectangular parallelepiped that a rectangle boss is respectively arranged on the relative two sides, its underpart; And being fixed with one above the rectangle boss on the minor face at this is the semicircle boss of radius with this minor face; The upper end of inserting on described limit is described to be had has the oval through hole that communicates with each other between the upper end, two sides of boss; Lower end, other two sides outside these two sides is fixed with a pair of side plate that rides on the described base plate, and a hole respect to one another is respectively arranged on this biside plate;
Described base plate is on the relative side as the length of plate of in rectangular flat plate two the sunk groove in three subtend plate centers to be arranged; Have at the bottom land of every pair of said groove and to lead to the through hole on opposite each other, the diameter of the through hole at the bottom of the described groove with said in the insert diameter that can ride over the hole on the biside plate on the described base plate on inserting with the limit identical;
Described three pins are with inserting in described and insert these three and insert in two limits; By in insert middle two limits insert in the insert both sides of symmetry; The hole and the hole pins of three pairs of groove bottom lands on the said base plate that ride on the side plate on the said bottom plate groove through said three lower ends of inserting fasten together; And insert after fixing on the said base plate when said three; The distance of three centreline spaces of inserting just in time is used for three of the plug-in mounting moving contact with rotating shaft to be detected, and the distance of the centreline space of neutral is consistent mutually, can said three be inserted to be fixed on the above base plate and just in time to be inserted in respectively in the neutral of three phases of rotating shaft to be detected; And this moment, said three boss on inserting also just in time were used for fixing slotting being embedded in that the blind hole (1) of the location torsion spring of upset rotating shaft and contact cooperatively interacts respectively on three of rotating shaft to be detected alternate neutral sidewalls;
To be an xsect size on its rectangular parallelepiped length direction insert in said in the described oblong aperture of upper end for the insertion that can just in time match described rectangular experience piece, and this test have between two sides relative on the rectangular parallelepiped of piece one end one just in time with said in the insert aperture on rectangular through holes top and the identical edge axis hole of diameter in another hole on the described rectangular through holes hole wall; When with said test piece to insert the rectangular through holes of inserting in said after with just in time can from said, the insert aperture insertion on rectangular through holes top of described edge axle; And can intert in the said edge axis hole of testing piece; Insert another hole on the rectangle hole wall of inserting in said at last, with described test piece with in insert to lock each other and be fixed together; Said test also have between the vertical two sides in the piece other end and the two sides that have said edge axis hole one with said rotating shaft on the identical through hole of pilot hole diameter detect the hole, be fixed on when said three are inserted in the neutral of three phases that also just in time are inserted in rotating shaft to be detected on the said base plate respectively; And this moment, said three boss on inserting were used for fixing on three of rotating shaft to be detected alternate neutral sidewalls respectively just in time also that the blind hole (1) of an end of the location torsion spring of upset rotating shaft and contact cooperatively interacts slotting be embedded in and will describedly test piece and in insert and lock each other when being fixed together; If do a Z plane with the center line between the opening two side of several C shape blind holes (1) of said rotating shaft; When being parallel to the X plane on said Z plane as if one in center line work with described detection hole; Described Z plane equates with P size between blind hole to the interplanar distance of X and pilot hole; And the center in described detection hole also should be; If with the center line between the opening two side of blind hole (1) is the Y axle; Center line through described detection hole does one during perpendicular to the T plane of Y axle, and the center of circle of then described blind hole (1) equates with J size between blind hole (1) to the interplanar distance of described Z and pilot hole (2);
Described lid is the long slab that has three holes above; The size in described these three holes is for after being fixed on the said base plate when said three are inserted with described pin and inserting in the three-phase neutral of said rotating shaft to be detected; Can pin the insert upper end of belt length circular hole, bearing pin and two limits on top of in described, inserting be exposed, and can cover and push down described rotating shaft to be detected;
Described fixedly mandrel rod be one with said two limits thin rod that the Long Circle through-hole diameter size on top is complementary of inserting, after described fixedly mandrel rod is passed the slotted hole of inserting on described limit, can described testing tool and rotating shaft to be detected be fixed together;
Described detection mandrel rod be its diameter with described rotating shaft to be detected on be used for the pilot hole (2) and the described identical mandrel rod of diameter of testing the detection hole on the piece of connection contact.
The technical scheme that the present invention takes for the method for application of the testing tool of mold cased circuit breaker rotating shaft for the technical matters that exists in the solution known technology is:
At first with insert in described with described two limits insert according to described rotating shaft three-phase neutral the distance be fixed on the described base plate with described pin, rotating shaft cubing main body; Again the described piece of testing is inserted in the said square hole of inserting in described rotating shaft cubing main body said; Adopt clearance fit; And penetrate the described hole of inserting in described and described simultaneously by described edge axle and test in the hole of piece as fixedly testing piece usefulness; Described test piece insert described in the described rotating shaft cubing main body in insert after, form second step of detection and location; Again that described rotating shaft is further fixing on described rotating shaft cubing main body; Be about to described cover described 3 holes be set on described rotating shaft cubing main body the above in insert, insert in described two limits and the outshot of described edge axle; There is a described slotted hole to penetrate described fixedly mandrel rod on inserting on described both sides, described lid is compressed; If described detection mandrel rod is passed the pilot hole (2) of described rotating shaft to be detected, and be can pass the described described detection hole of testing on the piece simultaneously the time qualified, otherwise then be defective.
Advantage and good effect that the present invention has are: this cubing has simple to operate, and (only using line cutting and mill processing to accomplish) easy to process is easy to carry about with one; Characteristics such as be convenient to deposit, and cost is low, utilization factor is high; According to the preliminary statistics, its detection speed is 20 times of tripleplane's appearance detection speed, is that 25 times of height gauge detection have improved work efficiency greatly; Reduce labour intensity, practiced thrift cost simultaneously greatly.
Description of drawings
Fig. 1 is the front view of this rotating shaft to be detected;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the perspective view of this rotating shaft to be detected;
The structural representation of inserting among Fig. 4 the present invention;
Fig. 5 is the structural representation of inserting in the limit among the present invention;
Fig. 6 is that the A of Fig. 5 is to structural representation;
Fig. 7 is the structural representation of the base plate among the present invention;
Fig. 8 be among the present invention will in, the limit inserts and is affixed to the structural representation of base plate;
Fig. 9 assembles the structural representation after later preliminary cubing is inserted rotating shaft three-phase neutral to be detected with Fig. 8 among the present invention;
Figure 10 is the structural representation of testing piece among the present invention;
Figure 11 has assembled the structural representation of testing piece on the basis of Fig. 9;
Figure 12 is the structural representation of the lid among the present invention;
Figure 13 has assembled lid, fixing mandrel rod and detect the structural representation of mandrel rod on the basis of Figure 11.
Embodiment
For further understanding content of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows:
Like Fig. 4, shown in 5; In to insert 3 are rectangular parallelepipeds; The boss 4 that a cuboid is respectively arranged and be connected on the relative two sides, its underpart with a semicircular body shape; Its upper end and have between the other two sides outside the both sides of boss 4 rectangular through holes 5 is arranged; The a pair of side plate 6 that rides on the base plate shown in Figure 7 is arranged in this lower end, two sides, and a hole 26 respect to one another is respectively arranged on the side plate 6 of these both sides, on the top end face of the rectangular through holes 5 of upper end with on the hole wall of rectangular through holes 5 relative below this top end face an identical hole 7 respect to one another of diameter is being arranged respectively.
As shown in Figure 6; Inserting in the limit 8 is the boss 9 that respectively have a cuboid to be connected with a semicircular body shape on two relative sides of its underpart; Have in the top on the two sides of boss 9 an oval through hole 10 is arranged; There is a pair of side plate 11 that rides on the base plate shown in Figure 7 insert on the limit lower end of 8 other two sides, and a hole 27 respect to one another is respectively arranged on biside plate 11;
As shown in Figure 7, base plate 12 is one has the sunk groove 13 in three subtend plate centers on two of rectangular flat plate relative sides, has at the bottom land of every pair of groove 13 and leads to the through hole 14 on opposite each other; Through hole 14 is identical with the diameter in hole 26,27.
Like Fig. 8, shown in 9; On base plate 12; In insert on the groove 13 that two side plates of 36 insert in the middle of being embedded in; Insert two side plates 11 of 8 of two limits are inserted respectively and are embedded on the groove 13 on both sides, three pins 15 respectively through in, the limit insert on the side plate 6,11 of 3,8 lower ends hole 26,27 and the hole in the base plate 14 will in, the limit insert 3,8 and base plate 12 lock and be fixed together.Just in time to be used for the distance of neutral centreline space of plug-in mounting moving contact consistent with the three-phase of rotating shaft 28 to be detected for the distance of three 3,8 centreline spaces of inserting, and can three be inserted 3,8 to be fixed on the base plate 12 and just in time to be inserted in respectively in the neutral of three phases of rotating shaft 28 to be detected; And the boss of inserting three of at this moment on 3,84,9 also just in time is used for fixing slotting being entrenched togather that the C shape blind hole 1 of an end of the torsion spring of upset rotating shaft 28 and moving contact cooperatively interacts respectively with on three of the rotating shaft 28 to be detected alternate neutral two sides.
Like Fig. 9,10, shown in 11; Rectangular experience piece 16 be one in the oblong aperture 5 of the xsect of its rectangular parallelepiped length direction size for 3 upper ends of inserting in can just in time inserting, and between this tests a pair of two sides as Width of rectangular parallelepiped of piece 16 1 ends, have one just in time with in insert the identical edge axis hole 17 of pair of holes 7 diameters on 3 rectangular through holes 5; Also having a detection hole 18 on its rectangular parallelepiped of testing piece 16 other ends between bottom surface, 3,8 be fixed on the base plate 12 and just in time be inserted in respectively in the neutral of three phases of rotating shaft 28 to be detected when three are inserted; And also slotting being embedded in that cooperatively interact of the blind hole 1 on three of rotating shaft 28 to be detected alternate neutral sidewalls respectively just in time of boss on 3,8 of inserting three of at this moment; And will test piece 16 with in insert and 3 lock when being fixed together each other; Being about to test piece 16 3 rectangular through holes, 5 backs of inserting in inserting inserts with just in time can therefrom the insert aperture 7 on 3 rectangular through holes, 5 tops of edge axle 19; And can intert and test in the hole 17 of piece 16 1 ends, the hole 7 on 3 the rectangular through holes hole wall inserted in inserting at last will test piece 16 with in insert and 3 lock when being fixed together each other; If the center line with between the opening two side of the C shape blind hole 1 of the rotating shaft to be detected 28 of isolating switch is the Y axle; If then when doing an X plane perpendicular to said Y axle with in the heart line in two pilot holes 2 in the rotating shaft 28 to be detected, then the center of circle of the semi-circular portions in the C shape blind hole 1 on the Y axle of the vertical range of hole 17 and the centreline space in detection hole 18 and rotating shaft 28 to be detected equates to the J size of rotating shaft 28 designing requirements between the intersection point on X plane.And the center of detecting hole 18 also should be; If with the center line between the opening two side of blind hole 1 is the Y axle; Center line through detecting hole 18 is done a T plane perpendicular to the Y axle, and then the Y axle equates with the P size of 1 of pilot hole 2 and blind hole to the distance between the center line that detects hole 18 with the intersection point on T plane;
Like Figure 11, shown in 12; Lid 20 is the long slabs that have the hole 22 of promptly middle hole 21, three holes and both sides above; After the size in three holes 21,22 is fixed on the base plate 12 for pinning when 3,8 usefulness that three are inserted and inserts in the three-phase neutral of rotating shaft 28 to be detected; Can with pin in insert 3 and the insert upper end of 8 belt length circular holes 10 of the edge axle 19 on top and two limits expose; And lid have below 20 interstitial holes 21 one can with rotating shaft 28 center sections with in the groove 25 that 3 head gets out of the way of inserting, make cover 20 be positioned at groove 25 both sides two planes finally can cover rotating shaft 28.
Like Figure 11, shown in 13, on the basis of Figure 11, will cover 20 and be seated in three and insert on 3,8, cover insert in can the exposing head of 3 edge axles 19 fixed thereon of hole 21 on 20 this moment, insert 8 upper end, two limits can be exposed in the hole 22 on both sides; And fixedly mandrel rod 23 be one with two limits thin rod that Long Circle through hole 10 diameter on 8 tops are complementary of inserting; Can pass the slotted hole 10 of two limits on inserting this moment with fixing mandrel rod 23, and lid 20 can be fixed this testing tool and rotating shaft 28 together.In addition; One is used for passing simultaneously the detection mandrel rod 24 that is used for the pilot hole 2 of connection contact in the rotating shaft 28 to be detected and tests the detection through hole 18 between bottom surface on the piece 16, and the diameter that is used in the diameter that detects mandrel rod 24 and the rotating shaft 28 to be detected to connect the pilot hole 2 of moving contact and test the detection hole 18 between bottom surface on the piece 16 is identical.
Method of application of the present invention is: as shown in Figure 8, at first will in insert 3, inserting with two limits 8 15 is fixed on the base plate 12 with pinning according to the distance of rotating shaft 28 three-phase neutrals, rotating shaft cubing main body.Shown in figure 11; With test piece 16 insert rotating shaft cubing main bodys in insert in 3 the square hole 5; Adopt clearance fit; And in insert in penetrating simultaneously by edge axle 19 3 hole 7 and the hole 17 of testing piece 16 as fixedly testing piece 16 usefulness, test piece 16 insert in the rotating shaft cubing main bodys in insert after 3, form second of detection and location and go on foot.Shown in figure 13; Again that rotating shaft 28 is further fixing on rotating shaft cubing main body; Be about to cover 3 holes 21,22 on 20 be set on the rotating shaft cubing main body in 3, two limits of inserting insert 8 and the outshot of edge axle 19; Inserting on both sides has a slotted hole 10 to penetrate fixedly mandrel rod 23 on 8, will cover 20 and compress.If will detect the pilot hole 2 that mandrel rod 24 passes rotating shaft 28 to be detected, and be can pass the detection hole of testing on the piece 16 18 simultaneously the time qualified, otherwise then be defective.
Claims (2)
1. the testing tool of a mold cased circuit breaker rotating shaft is characterized in that: it includes in one and inserts, insert in two limits, base plate, three are used for described three pins that are fixed together with described base plate inserted, one are tested piece, edge axle, lid, fixedly a mandrel rod and a detection mandrel rod;
Inserting in described is the rectangular parallelepiped that a rectangle boss is respectively arranged on two relative sides of bottom; And being fixed with one above the rectangle boss on the minor face at this is the semicircle boss of radius with this minor face; Inserting in described has a rectangular through holes between other two sides outside upper end and the described both sides that have a boss; Also be fixed with a pair of side plate that rides on the described base plate in this lower end, two sides; And a hole respect to one another is arranged respectively on this biside plate; There is a hole at center, top in the rectangular through holes of said upper end, and this hole is identical with another hole size on the described rectangular through holes hole wall of facing vertically downward, and the center line of the center line in these two holes and described two rectangle boss rectangular parallelepipeds in one plane;
Inserting in described limit is the rectangular parallelepiped that a rectangle boss is respectively arranged on the relative two sides, its underpart; And being fixed with one above the rectangle boss on the minor face at this is the semicircle boss of radius with this minor face; There is the oval through hole that communicates with each other the upper end, two sides that the upper end of inserting on described limit is described to have a boss; Lower end, other two sides outside these two sides is fixed with a pair of side plate that rides on the described base plate, and a hole respect to one another is respectively arranged on this biside plate;
Described base plate is on the relative side as the length of plate of in rectangular flat plate two the sunk groove in three subtend plate centers to be arranged; Have at the bottom land of every pair of said groove and to lead to the through hole on opposite each other, the diameter of the through hole at the bottom of the described groove with said in the insert diameter that can ride over the hole on the biside plate on the described base plate on inserting with the limit identical;
Described three pins are with inserting in described and insert these three and insert in two limits; By in insert middle two limits insert in the insert both sides of symmetry; The hole and the hole pins of three pairs of groove bottom lands on the said base plate that ride on the side plate on the said bottom plate groove through said three lower ends of inserting fasten together; And insert after fixing on the said base plate when said three; The distance of three centreline spaces of inserting just in time is used for three of the plug-in mounting moving contact with rotating shaft to be detected, and the distance of the centreline space of neutral is consistent mutually, can said three be inserted to be fixed on the above base plate and just in time to be inserted in respectively in the neutral of three phases of rotating shaft to be detected; And this moment, said three boss on inserting also just in time were used for fixing slotting being embedded in that the blind hole of an end of the location torsion spring of upset rotating shaft and contact cooperatively interacts respectively on three of rotating shaft to be detected alternate neutral sidewalls;
To be an xsect size on its rectangular parallelepiped length direction insert in said in the described oblong aperture of upper end for the insertion that can just in time match described rectangular experience piece, and this test have between two sides relative on the rectangular parallelepiped of piece one end one just in time with said in the insert aperture on rectangular through holes top and the identical hole of diameter in the hole on the described rectangular through holes hole wall; When with said test piece to insert the rectangular through holes of inserting in said after with just in time can from said, the insert aperture insertion on rectangular through holes top of described edge axle; And can intert in the through hole between the said described two sides of testing piece; Insert the hole on the rectangle hole wall of inserting in said at last, with described test piece with in insert to lock each other and be fixed together; Also having a through hole to detect the hole between bottom surface on said its rectangular parallelepiped of testing the piece other end, be fixed on when said three are inserted in the neutral of three phases that also just in time are inserted in rotating shaft to be detected on the above base plate respectively; And this moment, said three boss on inserting also just in time were used for fixing the slotting time-out that is embedded in that the blind hole of an end of the location torsion spring of upset rotating shaft and contact cooperatively interacts respectively with on three of the rotating shaft to be detected alternate neutral sidewalls; Center line as if between the opening two side of the C shape blind hole that is fixed to rotating shaft to be detected with isolating switch location torsion spring is done a Y plane; Then if when being parallel to the X plane on said Y plane with two pilot holes, one in the line work in the heart that is used for connecting the axle that rotating shaft and contact use in the rotating shaft to be detected; Distance to the interplanar designing requirement of X equates center, described detection hole to the described Y plane of the vertical range of the through hole centreline space between said end two sides of testing piece and rotating shaft to be detected; And the center in described detection hole also should be; When with described test piece with in insert lock each other be fixed together after, the center line in this hole is equal to the vertical range perpendicular to the interplanar designing requirement of Z on described Y plane through the C shape blind hole center of circle intercropping in the described rotating shaft to be detected;
Described lid is the long slab that has three holes above; The size in described these three holes is for after being fixed on the said base plate when said three are inserted with described pin and inserting in the three-phase neutral of said rotating shaft to be detected; Can pin the insert upper end of belt length circular hole, pin and two limits on top of in described, inserting be exposed, and can cover the top of the three-phase neutral of pushing down described rotating shaft to be detected;
Described fixedly mandrel rod be one with said two limits thin rod that the Long Circle through-hole diameter size on top is complementary of inserting;
Described detection mandrel rod be its diameter with described rotating shaft to be detected on be used for the pilot hole and the described identical mandrel rod of diameter of testing the through hole between the piece upper bottom surface of connection contact.
2. the method for application of the testing tool of a mold cased circuit breaker rotating shaft as claimed in claim 1; It is characterized in that: at first with insert in described with described two limits insert according to described rotating shaft three-phase neutral the distance be fixed on the described base plate with described pin, rotating shaft cubing main body; Again the described piece of testing is inserted in the said square hole of inserting in described rotating shaft cubing main body said; Adopt clearance fit; And penetrate the described hole of inserting in described and described simultaneously by described edge axle and test in the hole of piece as fixedly testing piece usefulness; Described test piece insert described in the described rotating shaft cubing main body in insert after, form second step of detection and location; Again that described rotating shaft is further fixing on described rotating shaft cubing main body; Be about to described cover described 3 holes be set on described rotating shaft cubing main body the above in insert, insert in described two limits and the outshot of described edge axle; There is a described slotted hole to penetrate described fixedly mandrel rod on inserting on described both sides, described lid is compressed; If described detection mandrel rod is passed the pilot hole of described rotating shaft to be detected, and be can pass the described described detection hole of testing on the piece simultaneously the time qualified, otherwise then be defective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102597925A CN102749011A (en) | 2012-07-25 | 2012-07-25 | Plastic shell type testing tool for rotary shaft of circuit breaker and usage method of plastic shell type testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102597925A CN102749011A (en) | 2012-07-25 | 2012-07-25 | Plastic shell type testing tool for rotary shaft of circuit breaker and usage method of plastic shell type testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102749011A true CN102749011A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102597925A Pending CN102749011A (en) | 2012-07-25 | 2012-07-25 | Plastic shell type testing tool for rotary shaft of circuit breaker and usage method of plastic shell type testing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102749011A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064471A (en) * | 2004-08-25 | 2006-03-09 | Fuji Electric Holdings Co Ltd | Measurement method and measurement instrument for turning radius size of workpiece |
| CN101344369A (en) * | 2008-08-18 | 2009-01-14 | 天津市电力公司 | Handcart once contact stroke test device for high-tension switch cabinet |
| CN201556546U (en) * | 2009-11-12 | 2010-08-18 | 安徽鑫龙电器股份有限公司 | High voltage switch conducting arm installation and check device |
| CN201828217U (en) * | 2010-09-30 | 2011-05-11 | 安徽意通电力设备有限公司 | Size check tool for chassis of circuit breaker |
| CN102445131A (en) * | 2011-11-24 | 2012-05-09 | 天津市百利电气有限公司 | Inspection tool for thermal trip of moulded case circuit breaker and use method thereof |
-
2012
- 2012-07-25 CN CN2012102597925A patent/CN102749011A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006064471A (en) * | 2004-08-25 | 2006-03-09 | Fuji Electric Holdings Co Ltd | Measurement method and measurement instrument for turning radius size of workpiece |
| CN101344369A (en) * | 2008-08-18 | 2009-01-14 | 天津市电力公司 | Handcart once contact stroke test device for high-tension switch cabinet |
| CN201556546U (en) * | 2009-11-12 | 2010-08-18 | 安徽鑫龙电器股份有限公司 | High voltage switch conducting arm installation and check device |
| CN201828217U (en) * | 2010-09-30 | 2011-05-11 | 安徽意通电力设备有限公司 | Size check tool for chassis of circuit breaker |
| CN102445131A (en) * | 2011-11-24 | 2012-05-09 | 天津市百利电气有限公司 | Inspection tool for thermal trip of moulded case circuit breaker and use method thereof |
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Application publication date: 20121024 |