A kind of breaker structure installing mistake proofing
Technical field
The present invention relates to fuse field, in particular it relates to a kind of breaker structure installing mistake proofing.
Background technology
Fuse switch is a kind of break protective switch that 10KV distribution line branch line and distribution transformer are conventional; when flowing through the controller of fuse, make fuse failure, so that cartridge fuse falls with the heat that itself produces; pull open broken string distance, high-tension circuit is carried out open circuit protection.Owing to having economy, the plurality of advantages such as easy to operate and environmental suitability is strong, it is widely used in 10Kv distribution line and distribution transformer primary side and as protection and carries out equipment throwing, cut operation and be used.
Need to reinstall new fuse after fuse failure, but owing to the model of fuse on the market is numerous, fuse thickness and as, installation personnel difficulty or ease are distinguished from naked eyes, if installation will make mistakes after bringing fuse thicker in huge potential safety hazard, such as misloading, when circuital current transships, fuse will not fuse, it will damaging the electric equipment used, consequence is unimaginable.
Install for above-mentioned current fuse switch and there will be the problem that mistake is installed, need to provide a kind of can aid in prevent from the fuse switch made mistakes is installed, it is rough that installation personnel can tell the current cartridge fuse being suitable for when mounted, suitable fuse is installed, it is ensured that the normal work of fuse.
Summary of the invention
Install for above-mentioned current fuse switch and there will be the problem that mistake is installed, the invention provides a kind of breaker structure installing mistake proofing, it is rough that installation personnel can tell the current cartridge fuse being suitable for when mounted, installs suitable fuse, it is ensured that the normal work of fuse.
The technical solution used in the present invention, provide a kind of breaker structure installing mistake proofing, including insulating support, it is connected to the upper connection assembly of insulating support upper end, it is connected to the lower connection assembly of insulating support lower end, it is connected to the cartridge fuse between connection assembly and lower connection assembly, it is provided with fuse in described cartridge fuse, the two ends of fuse are respectively fixedly connected with on upper connection assembly and lower connection assembly, it is characterized in that, also include: described upper connection assembly includes travelling fastener, and sleeve and connection bolt, connection bolt includes bolt head and bolt screw mandrel;Being provided with blind hole inside described sleeve, blind via bottom is provided with the screwed hole mated with bolt screw mandrel on connection bolt, and the side of sleeve has wiring breach;Described travelling fastener includes guide rail, the first slide calliper rule being positioned on guide rail and the second slide calliper rule, and the first slide calliper rule and/or the second slide calliper rule are movable slide calliper rule.Described fuse switch is in fuse installation process, void pitch between first slide calliper rule and second slide calliper rule of described travelling fastener is fixed, for limiting the thickness being currently suitable for fuse, if it is the thickest to install fuse, then cannot snap in the space between the first slide calliper rule and the second slide calliper rule, if it is meticulous to install fuse, then can substantially find that fuse has loosening sign after snapping in the space between the first slide calliper rule and the second slide calliper rule.Therefore installation personnel can tell the current cartridge fuse being suitable for roughly when mounted, installs suitable fuse, it is ensured that the normal work of fuse.
Concrete, described guide rail is Magnet guide rail, and the first slide calliper rule and/or the second slide calliper rule are ferromagnetism slide calliper rule.Or, described travelling fastener also includes first fixing bolt for fix the first slide calliper rule and/or fixing bolt for fixing the second slide calliper rule second.First slide calliper rule and/or the second slide calliper rule can move on guide rail, for regulating the void pitch between the first slide calliper rule and the second slide calliper rule, after matching initial is suitable for fuse, by guide rail and the ferromagnetism effect of slide calliper rule or the bolt that is tightened, make the first slide calliper rule and/or the second slide calliper rule be fixed on guide rail, thus limit the fineness being currently suitable for fuse.
Concrete, the blind hole within described sleeve is regular polygon cylinder structure, and connection bolt also includes the card column of external shape and described blind hole form fit, and card column inner hollow is to insert bolt screw mandrel.In fuse installation process, described card column is for being fixed on the fuse being converted into annular in the blind hole of sleeve, and bolt screw mandrel coordinates with the screwed hole in sleeve through card column, thus fix fuse with on be connected assembly annexation.In connection bolt rotary course, card column guarantees that fuse can only move axially and can not move radially, and is possible to prevent fuse under tension to cause mechanical injuries, it is ensured that the normal work of fuse.
Concrete, the wiring breach on described sleeve is U-shaped breach.Described U-shaped breach can reduce the damage to circular fuse of the wiring breach.
To sum up, the breaker structure installing mistake proofing of offer of the present invention is provided, the void pitch between the first slide calliper rule and the second slide calliper rule in travelling fastener is utilized to limit the thickness being currently suitable for fuse, make installation personnel in installation process, the current fuse thickness being suitable for can be told, suitable fuse is installed, it is ensured that the normal work of fuse.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the breaker structure figure installing mistake proofing that the embodiment of the present invention provides.
Fig. 2 is the upper structure chart connecting assembly in the fuse that the embodiment of the present invention provides.
Fig. 3 is the structure chart of the fuse middle reaches moved fastener that the embodiment of the present invention provides.
Fig. 4 is the structure chart of sleeve in the fuse that the embodiment of the present invention provides.
Fig. 5 is the structure chart of another kind of travelling fastener in the fuse that the embodiment of the present invention provides.
In above-mentioned accompanying drawing: 1, insulating body 2, upper connection assembly 3, lower connection assembly 4, cartridge fuse 5, fuse 6, travelling fastener 6a, guide rail 6b, the first slide calliper rule 6c, the second slide calliper rule 6d, first fix bolt 6e, the second wiring breach 8 fixing in blind hole 7b in bolt 7, sleeve 7a, sleeve, the screwed hole 7c in sleeve, sleeve, connection bolt 8a, bolt head 8b, bolt screw mandrel 8c, butterfly handle 9, card column.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, describe, by way of example, a kind of breaker structure installing mistake proofing that the present invention provides in detail.At this it should be noted that be adapted to assist in for the explanation of these way of example and understand the present invention, but it is not intended that limitation of the invention.
Various technology described herein may be used for but is not limited to fuse field, it is also possible to for other similar field.
The terms "and/or", it it is only a kind of incidence relation describing affiliated partner, three kinds of relations can be there are in expression, such as, A and/or B, can represent: individualism A, individualism B, there are tri-kinds of situations of A and B simultaneously, the terms " or/and " it is to describe another kind of affiliated partner relation, two kinds of relations can be there are, such as in expression, A is or/and B, can represent: individualism A, two kinds of situations of individualism A and B, additionally, character "/" herein, typicallys represent forward-backward correlation to liking a kind of "or" relation.
Embodiment one, Fig. 1 shows the breaker structure figure installing mistake proofing that the present embodiment provides, Fig. 2 shows the upper structure chart connecting assembly in the fuse that the present embodiment provides, Fig. 3 shows the structure chart of the fuse middle reaches moved fastener that the present embodiment provides, and Fig. 4 shows the structure chart of sleeve in the fuse that the present embodiment provides.The breaker structure of described installation mistake proofing, including insulating support 1, it is connected to the upper connection assembly 2 of insulating support 1 upper end, it is connected to the lower connection assembly 3 of insulating support 1 lower end, it is connected to the cartridge fuse 4 between connection assembly 2 and lower connection assembly 3, it is provided with fuse 5 in described cartridge fuse 4, the two ends of fuse 5 are respectively fixedly connected with on upper connection assembly 2 and lower connection assembly 3, it is characterized in that, also include: described upper connection assembly 2 includes travelling fastener 6, sleeve 7 and connection bolt 8, connection bolt 8 includes bolt head 8a and bolt screw mandrel 8b;Described sleeve 7 is internal is provided with blind hole 7a, is provided with the screwed hole 7b mated with bolt screw mandrel 8b on connection bolt 8 bottom blind hole 7a, and the side of sleeve 7 has wiring breach 7c;Described travelling fastener 6 includes guide rail 6a, and the first slide calliper rule 6b being positioned on guide rail 6a and the second slide calliper rule 6c, the first slide calliper rule 6b and/or the second slide calliper rule 6c are movable slide calliper rule.Described fuse switch is configured with travelling fastener 6, in fuse installation process, void pitch between the first slide calliper rule 6b and the second slide calliper rule 6c of described travelling fastener 6 is fixed, the thickness being currently suitable for fuse can be limited, if it is the thickest to install fuse 5, then cannot snap in the space between the first slide calliper rule 6b and the second slide calliper rule 6c, if it is meticulous to install fuse 5, then can substantially find that fuse 5 has loosening sign after snapping in the space between the first slide calliper rule 6b and the second slide calliper rule 6c.Therefore installation personnel can tell the current cartridge fuse being suitable for roughly when mounted, installs suitable fuse, it is ensured that the normal work of fuse.In described first slide calliper rule 6b and the second slide calliper rule 6c, at least slide calliper rule are movable slide calliper rule, so that when initial installation according to the space between two slide calliper rule of fuse shape adjustment being suitable for, the suitability is higher, as optimize, in the present embodiment, described first slide calliper rule 6b and the second slide calliper rule 6c is movable slide calliper rule.
Concrete, described guide rail 6a is Magnet guide rail, and the first slide calliper rule 6b and/or the second slide calliper rule 6 are ferromagnetism slide calliper rule.First slide calliper rule 6b and/or the second slide calliper rule 6c can move on guide rail 6a, so as the space between regulation two slide calliper rule, after matching initial is suitable for fuse, by the ferromagnetism effect between guide rail and slide calliper rule, the first slide calliper rule 6b and/or the second slide calliper rule 6c can be made to be fixed on guide rail, thus locking is currently suitable for the fineness of fuse.When the first slide calliper rule 6b and/or the second slide calliper rule 6c is movable slide calliper rule, it must be ferromagnetism slide calliper rule, and as optimize, in the present embodiment, the first slide calliper rule 6b and the second slide calliper rule 6c is movable slide calliper rule.Additionally, be carved with graduation mark on described guide rail 6a.Installation personnel can be facilitated to read the corresponding diameter parameters being suitable for fuse by graduation mark, it is simple to the fuse that fast selecting is suitable for.
Concrete, blind hole 7a within described sleeve 7 is regular polygon cylinder structure, and connection bolt 8 also includes the card column 9 of external shape and described blind hole 7a form fit, and card column 9 inner hollow is to insert bolt screw mandrel 8b.In fuse 5 installation process, described card column 9 is for being fixed on the fuse 5 being converted into annular in blind hole 7a of sleeve 7, and bolt screw mandrel 8b coordinates through card column 9 with the screwed hole 7b in sleeve 7, thus fix fuse 5 with on be connected the annexation of assembly 2.In connection bolt 8 rotary course, card column 9 guarantees that fuse 5 can only move axially and can not move radially, and is possible to prevent fuse 5 under tension to cause mechanical injuries, it is ensured that the normal work of fuse 5.As optimize, described blind hole 7a is regular hexagon column structure, and the external shape of described card column is and the regular hexagon cylinder of described blind hole 7a form fit.
Concrete, the wiring breach 7c on described sleeve 7 is U-shaped breach.Described U-shaped breach can reduce the damage to circular fuse 5 of the wiring breach.Additionally, described sleeve 7 external shape is regular polygon cylinder.One of them lateral surface of regular polygon cylinder has wiring breach 7c, in order to coordinate travelling fastener to install suitable fuse.As optimize, in the present embodiment, the external shape of described sleeve 7 is regular hexagon cylinder.
Concrete, described bolt head 8a is provided with butterfly handle 8c.Described butterfly handle 8c can facilitate installation personnel to rotate connection bolt when without installation tool, fixing fuse with on be connected the annexation of assembly.
The installation method of the breaker structure installing mistake proofing that the present embodiment provides is as follows.When initially installing, the void pitch between first slide calliper rule 6b and the second slide calliper rule 6c is regulated on travelling slide calliper rule 6 according to the thickness being suitable for fuse 5, it is made just to block fuse 5, then by the head end of fuse 5 around circularizing, it is placed in blind hole 7a in sleeve 7, finally by card column 9 and connection bolt 8, the head end of fuse 5 is fixed on upper connection assembly 2;When update contruction, applicable fuse 5 is chosen according to void pitch between the first slide calliper rule 6b and the second slide calliper rule 6c on travelling slide calliper rule 6, then by the head end of fuse 5 around circularizing, it is placed in blind hole 7a in sleeve 7, finally by card column 9 and connection bolt 8, the head end of fuse 5 is fixed on connection assembly 2.
The breaker structure installing mistake proofing that the present embodiment provides, the void pitch between the first slide calliper rule and the second slide calliper rule in travelling fastener is utilized to limit the thickness being currently suitable for fuse, make installation personnel in installation process, the current fuse thickness being suitable for can be told, suitable fuse is installed, it is ensured that the normal work of fuse.
Embodiment two, Fig. 5 shows the structure chart of another kind of travelling fastener in the fuse that the present embodiment provides.Fuse switch in embodiment two is with the difference of the fuse switch in embodiment one, also includes first fixing bolt 6d for fix the first slide calliper rule 6b and/or fixing bolt 6e for fixing the second of the second slide calliper rule 6c including: described travelling fastener 6.
On the basis of embodiment one, the technique effect of embodiment two also has: what embodiment two provided another kind of travelling slide calliper rule realizes structure, after the void pitch determined between the first slide calliper rule 6b and the second slide calliper rule 6c, screw first and fix bolt 6d, make the first slide calliper rule 6b be fixed on guide rail 6a, or, screw second and fix bolt 6e, make the second slide calliper rule 6c be fixed on guide rail 6a, thus lock the spacing between the first slide calliper rule 6b and the second slide calliper rule 6c, and then locking is currently suitable for the fineness of fuse.
On the basis of previous embodiment, the present invention can also expand out other embodiment, and these embodiments are characterised by, including: described upper connection assembly 2 is identical with the structure of lower connection assembly 3.
On the basis of embodiment one and embodiment two, it is not necessary to performing creative labour can derive these technique effects expanding embodiment.
As it has been described above, the present invention can preferably be realized.For a person skilled in the art, according to the teachings of the present invention, the breaker structure installing mistake proofing designing multi-form is not required to performing creative labour.Without departing from the principles and spirit of the present invention these embodiments are changed, revise, replace, integrate and modification still falls within protection scope of the present invention.