CN1037474C - Three-phase fuse one-break and one-break device - Google Patents
Three-phase fuse one-break and one-break device Download PDFInfo
- Publication number
- CN1037474C CN1037474C CN95107596A CN95107596A CN1037474C CN 1037474 C CN1037474 C CN 1037474C CN 95107596 A CN95107596 A CN 95107596A CN 95107596 A CN95107596 A CN 95107596A CN 1037474 C CN1037474 C CN 1037474C
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- groove
- push rod
- hole
- spring
- blade
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- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to a three-phase fuse one-breaking and one-breaking device which breaks a fuse wire of one phase and then breaks the fuse wires of the remaining two phases. The device is a push rod (9), a push rod (16), a push rod (13), a lever (12) and a spring knife rest which are arranged in a support (43) and generate thrust. When the fuse wire is disconnected, the corresponding push rod pushes the lever (12) to rotate, the locked spring knife rest is released, and the spring knife rest moves towards the edge (38) rapidly to cut the unbroken fuse wire. The present invention makes RCIA fuse and HK open load switch break simultaneously and the motor will not burn out due to phase failure.
Description
What the present invention relates to is that an a kind of phase fuse disconnects, the three-phase fuse-element capable of breaking simultaneously when one breaking device that remaining two-phase fuse also disconnects thereupon.
Domestic and international fuses such as RCIA that use, on-load switches such as HK open type all are after a phase fuse disconnects, remaining two-phase fuse does not disconnect, and causes the three phase electric machine phase-deficient operation and burns.
The purpose of this invention is to provide a kind of improved RCIA fuse, HK open-type load switch device, it can accomplish three-phase fuse-element capable of breaking simultaneously when one breaking effectively, motor can not burn.
The object of the present invention is achieved like this, dress lever in bearing (43), a push rod that produces active force is respectively adorned on switchblade frame mechanism and fuse the right, when fuse disconnects, corresponding push rod just promotes lever fast and rotates, and makes blade on the spring knife rest fuse that will not break hurt or cut off.
The present invention is because adopt will not break fuse incised wound or to cut off be effective of blade, and the arm spring cutter frame mechanism produces the push rod of active force, does not have special specification requirement again, and is simple in structure, manufacturing easily.
Concrete structure of the present invention is provided by following examples and accompanying drawing thereof.
Fig. 1 is the three-phase fuse-element capable of breaking simultaneously when one breaking schematic representation of apparatus that proposes according to the present invention, Fig. 2 is the schematic diagram of cover plate (53), and Fig. 3 is the schematic diagram of guide plate (2), and Fig. 4 is the left view of guide plate (2), Fig. 5 is the vertical view of guide plate (2), and Fig. 6 is the normal view of lever (12).
Describe the details and the working condition thereof of the concrete device that proposes according to the present invention in detail below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6.
This device has a main body bearing (43), does groove (21) on bearing (43), limit (20), limit (24), groove (44), limit (38).(20) go up fixedly inserting column (10), inserting column (14), inserting column (17) on the limit; Groove (21) is done groove (8), groove (22), groove (23) at the end; Dress push rod (9) in the groove (8), spring (15) is loaded onto on the right on the push rod (9), dress push rod (16) in the groove (22), spring (18) is loaded onto on the right on the push rod (16), dress push rod (13) in the groove (23), spring (19) is loaded onto on the right on the push rod (13).
Cover plate (53) covers at the end after groove (21) and tightens up (not drawing among Fig. 1), hole, right angle (45) is arranged, hole, right angle (47), hole, right angle (48), hole, right angle (49), hole, right angle (51), hole, right angle (52), arc quenching plate (46), arc quenching plate (50) on the lid (53).Push rod (9), push rod (16) has a long fulcrum bar and a short strut respectively on the push rod (13).Long fulcrum bar on the push rod (9) passes hole, right angle (45) and is close to corresponding fuse the right, and it is close with the right of lever (12) that short strut passes hole, right angle (48); Long fulcrum bar on the push rod (16) passes hole, right angle (51) and is close to corresponding fuse the right, it is close with the right of lever (12) that short strut passes hole, right angle (49), the long fulcrum bar of push rod (13) passes hole, right angle (47) and is close to corresponding fuse the right, close with the right of lever (12), short strut passes hole, right angle (52).Arc quenching plate (46), arc quenching plate (50) prevents to produce when fuse from disconnecting phase fault.
Do groove (4) on the limit (24), groove (36), groove (25), a hole, right angle (5) is opened on the left side of groove (4), the right joins with screw (7) and connection sheet (41), and a hole, right angle (11) is opened on the left side of groove (36), and the right joins with screw (29) and connection sheet (35), a hole, right angle (26) is opened on the left side of groove (25), and the right joins with screw (27) and connection sheet (32); Inserting column (40), inserting column (37), inserting column (33) is separately fixed on the limit (38), and respectively with connection sheet (41), connection sheet (35), connection sheet (32) other end joins.
A, B, three fuses of C (not drawing among the figure) are received inserting column (10) respectively for one, inserting column (14), on the inserting column (17), the other end is passed hole, right angle (5) respectively, hole, right angle (11), behind the hole, right angle (26), cross groove (4) more respectively, groove (36), above the groove (25), the back is by screw (7) again, screw (29), screw (27) respectively with connection sheet (41), connection sheet (35), connection sheet (32) joins.
Lever (12) is contained on the fulcrum (67) of groove (44) bottom surface longitudinal center by circular hole (63), and fulcrum (67) is cylinder; Lock (66) one side on the lever (12) is semi arch (64), and another side is plane (65); Be this one side of semi arch (64), guide plate (2) is passed through, being this one side of plane (65) can be with guide plate (2) lock jail, match with the lock (60) on the guide plate (2), the long arm of force of lever (12) reaches in the groove (21) below limit (24), spring (68) is loaded onto on the left side of the short arm of force, can make lever (12) get back to the upright position.
Circular hole (58) is arranged, circular hole (59), circular hole (61), circular hole (62), lock (60), blade (54), blade (55), blade (56) on the guide plate (2); Lock (60) is cylinder, matches blade (54) with the lock (66) of lever (12), blade (55), (56) one on blade is respectively in groove (4), and groove (36) is in the groove (25), this is gradient hook (57) on one side the edge of a knife, to between 20 degree, the highest head exceeds groove (4), groove (36) respectively to gradient hook (57) at 5 degree, (25) 1 to 5 millimeters of grooves hurt fuse or cut off easily.
Guide rod (1), guide rod (39), guide rod (34), guide rod (31) passes the circular hole (58) on the guide plate (2) respectively, circular hole (59), circular hole (61), circular hole (62) is loaded onto spring (3) more respectively, spring (6), spring (30), spring (28), this head of spring will be housed again to be separately fixed on the limit (24), the other end is fixed on the limit (38), forms the switchblade frame mechanism, and cooperatively interacts with lever (12).
Cover plate (53), push rod (9), push rod (16), push rod (13), guide plate (2), lever (12), the material of bearing (43) all is an insulating material, in case short circuit.
Concrete working condition is that guide plate (2) is being locked firm position, A, B, three fuses of C also all connect, push rod (9), push rod (16), push rod (13) is by A, B, three fuses of C bottle up respectively, disconnect as A phase fuse, corresponding push rod (9) is under the promotion of spring (15), the long arm of force that promotes lever (12) rotates to the left side, is locked the guide plate (2) in jail and decontrols, and guide plate (2) is in spring (3), spring (6), spring (30) is under the elastic force effect of spring (28), in guide rod (1), guide rod (39), guide rod (34), guide rod (31) is gone up towards the limit (38) direction fast moving, blade (54), blade (55), blade (56) is also respectively in groove (4), and the fast moving with guide plate (2) in the groove (36), groove (25) moves, the fuse that will not break hurts or cuts off, and reaches three-phase fuse-element capable of breaking simultaneously when one breaking.B, C two-phase fuse disconnect, and also are like this.This device has been made sample, and effect is fine, also makes easily.
Claims (8)
1, a kind of three-phase fuse-element capable of breaking simultaneously when one breaking device comprises bearing (43), three-phase fuse-element, and limit (20) is arranged on the bearing (43), groove (21), limit (38); Fixedly inserting column (10), inserting column (14), inserting column (17) are gone up in limit (20); It is characterized in that limit (24), groove (44) are arranged on the bearing (43); Groove (21) has groove (8), groove (22), groove (23) at the end; Groove (8), groove (22) is loaded onto push rod (9) respectively in the groove (23), push rod (16), push rod (13); Push rod (9), push rod (16) is loaded onto spring (15) respectively on the push rod (13), spring (18), spring (19); Cover plate (53) covers at groove (21) also fixing at the end; Hole, right angle (5) is arranged, hole, right angle (11), hole, right angle (26), groove (4), groove (36), groove (25) on the limit (24); Fixedly inserting column (40), inserting column (37), inserting column (33) are gone up in limit (38); Connection sheet (41), connection sheet (35), (32) one of sheets of connection are used screw (7) respectively, screw (29), screw (27) is fixed on the limit (24); A, B, C, three fuses respectively one receive inserting column (10), inserting column (14), on the inserting column (17), the other end is passed hole, right angle (5) respectively, hole, right angle (11), behind the hole, right angle (26), cross groove (4) more respectively, groove (36), groove (25), pass through screw (7) more respectively, screw (29), screw (27) and connection sheet (41), connection sheet (35), connection sheet (32) joins; Guide rod (1), guide rod (39), guide rod (34), guide rod (31) passes the circular hole (58) on the guide plate (2) respectively, circular hole (59), circular hole (61) is behind the circular hole (62), load onto spring (3) more respectively, spring (6), spring (30), spring (28), this head of spring will be housed again be separately fixed on the limit (24), the other end is fixed on the limit (38); Blade (54), blade (55), blade (56) respectively one be fixed on the guide plate (2), this head of the edge of a knife is placed on groove (4) respectively, groove (36), in the groove (25), and with moving of guide plate (2) respectively in groove (4), groove (36) moves in the groove (25).There is fulcrum (67) in groove (44) bottom surface longitudinal center, and lever (12) is contained on the fulcrum (67), the short arm of force left side shock mount (68) of lever (12)
2, device according to claim 1 is characterized in that lock (66), circular hole (63) are arranged on the lever (12); Lock (66) is semicircular in shape (64) on one side, and another side is plane (65), matches with lock (60) on the guide plate (2), and lever (12) by circular hole (63), is contained on the fulcrum (67), and fulcrum (67) is cylinder.
3, device according to claim 1 is characterized in that circular hole (58), circular hole (59), circular hole (61), circular hole (62), blade (54), blade (55), blade (56), lock (60) are arranged on the guide plate (2); Blade (54), blade (55), blade (56), one respectively in groove (4), groove (36), in the groove (25), the edge of a knife is gradient hook (57) here, gradient hook (57) at 5 degree between 20 degree.Lock (60) is cylinder, matches with lock (66) on the lever (12).
4, device according to claim 1 is characterized in that hole, right angle (45), hole, right angle (47), arc quenching plate (46), hole, right angle (48), hole, right angle (49), arc quenching plate (50), hole, right angle (51), hole, right angle (52) are arranged on the cover plate (53).
5, according to claim 1 or 4 described devices, it is characterized in that push rod (9), push rod (16), a long fulcrum bar and a short strut are respectively arranged on the push rod (13), long fulcrum bar passes cover plate (53) and goes up corresponding hole, right angle to pass the right of hole, right angle on the cover plate (53) and lever (12) near, short strut on the right of corresponding fuse close.
6, device according to claim 1 is characterized in that cover plate (53), push rod (9), and push rod (16), push rod (13), guide plate (2), lever (12), the material of bearing (43) all is an insulating material.
7, according to claim 1 or 3 described devices, it is characterized in that blade (54), blade (55), the highest head of the gradient hook (57) of blade (56) exceeds groove (4) respectively, groove (36), (25) 1 to 5 millimeters of grooves.
8, device according to claim 1 is characterized in that push rod (9), push rod (16), push rod (13) is respectively in spring (15), and spring (18) is under the elastic force effect of spring (19), corresponding fuse decontrols the guide plate (2) in lock jail in case disconnection just promotes lever (12) and rotates, guide plate (2) is in spring (3), spring (6), spring (30) is under the elastic force effect of spring (28), in guide rod (1), guide rod (39), guide rod (34), guide rod (31) is gone up towards the limit (38) direction fast moving, blade (54), blade (55), blade (56) be also respectively in groove (4), groove (36), the interior fast moving of groove (25), the fuse that will not break hurts or cuts off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95107596A CN1037474C (en) | 1995-07-22 | 1995-07-22 | Three-phase fuse one-break and one-break device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95107596A CN1037474C (en) | 1995-07-22 | 1995-07-22 | Three-phase fuse one-break and one-break device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1118109A CN1118109A (en) | 1996-03-06 |
| CN1037474C true CN1037474C (en) | 1998-02-18 |
Family
ID=5076399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95107596A Expired - Fee Related CN1037474C (en) | 1995-07-22 | 1995-07-22 | Three-phase fuse one-break and one-break device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1037474C (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2096844A (en) * | 1981-04-10 | 1982-10-20 | Beswick Kenneth E Ltd | Electrical fuse |
| CN86106007A (en) * | 1986-09-04 | 1987-11-11 | 陈敬德 | Special low-voltage fuse device |
-
1995
- 1995-07-22 CN CN95107596A patent/CN1037474C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2096844A (en) * | 1981-04-10 | 1982-10-20 | Beswick Kenneth E Ltd | Electrical fuse |
| CN86106007A (en) * | 1986-09-04 | 1987-11-11 | 陈敬德 | Special low-voltage fuse device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1118109A (en) | 1996-03-06 |
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