Be used for connecting Quick Connect Kit and the method for two electrical open equipmentTechnical field
The present invention relates to a kind of Quick Connect Kit of elongated form of longitudinally axis, this device have the splicing ear that is intended to utilize electrical open equipment anchor clamps and by two fastening respectively ends.Described anchor clamps are comprised of the compact volume that two electrical contact surfaces that can move relative to each other by trip bolt define.
The present invention relates to a kind of method for connecting two switchgears, the two is connected by at least one jockey.
Background technology
Usually, two products are realized by stube cable such as the electrical connection of electrical open equipment, stube cable, and by screw, particularly the spiral screw is fastened on these equipment.
As example, when electric equipment is three utmost point electrical equipment, so by three cables by six screw fastenings they are connected.Therefore, this linking scheme needs a considerable amount of enforcement times (tightening the time of these six screws).In addition, this linking scheme often is associated with loosening being connected, and this becoming flexible is relevant with the wriggling of stube cable.
Another known linking scheme between two products adopts spring to connect.This pattern need to be made the specific products that is equipped with this function, and needs to use intermediate connector (plug).So the use of stube cable is impossible.
Summary of the invention
Therefore, the present invention is intended to remedy the shortcoming of prior art, by this way, has proposed a kind of jockey, can make its almost moment in place, and do not need the specific transformation of product.
Be arranged to adopt according to each end of jockey of the present invention on the trip bolt of the anchor clamps that are assemblied in splicing ear primary importance and with the second place of quick links device and the locking of described anchor clamps.After having rotated the anglec of rotation around longitudinal axis, obtain the described second place from the first rigging position.
Preferably, each end comprises area supported, and this area supported is suitable for contacting with the contact surface of anchor clamps in the second place, thereby guarantees electrically contacting between jockey and splicing ear.
According to one embodiment of the invention, each end is included in the upwardly extending groove in the side that is parallel to longitudinal axis, thereby form spaced the first and second contact branches, in order to allow, on the one hand, the passing through and assemble of the trip bolt of the first rigging position anchor clamps, on the other hand, the locking of Quick Connect Kit and splicing ear and electrically contacting.
According to a particular embodiment of the invention, each groove extends according to spiral profile.
According to another specific embodiment of the present invention, the first and second contact branches are parallel to longitudinal axis extends, and is included in respectively the gap of the material in their wall, and described gap is to produce in the direction that forms clearance angle with respect to longitudinal axis.
Advantageously, clearance angle is substantially equal to 90 °.
Preferably, the gap of the first branch is to make in the direction opposite with the gap of the second branch.
Preferably, area supported is placed on the outer surface of branch, thereby guarantees to electrically contact with the contact surface of splicing ear anchor clamps.
Advantageously, the external support surface has the periphery of extending according to the curve corresponding to the negative surface of the contact surface of the anchor clamps of splicing ear.
According to specific embodiment, branch comprises inner surface, and this inner surface has the device that is blocked in the second latched position for the trip bolt with anchor clamps.
Advantageously, this retention device is to be substantially perpendicular to the groove that longitudinal axis extends in the first and second the insides, gap that contact the material of branches.
Method of attachment according to the present invention comprises that two ends with at least one jockey are assemblied on the screw of anchor clamps of splicing ear of two switchgears, and then make described jockey rotate the anglec of rotation, thereby it is switched to the second latched position from the first rigging position.
Advantageously, the anglec of rotation for described jockey is substantially equal to 90 °.
Description of drawings
From the following description of specific embodiment of the present invention, other advantage and feature more clearly show, and the embodiment that provides is as nonrestrictive example, and illustrate in the accompanying drawings, wherein:
Fig. 1 shows by according to the Quick Connect Kit of the embodiment of the invention and the overview of two switchgears that are electrically connected;
Fig. 2 shows the perspective view according to the Quick Connect Kit of the embodiment of the invention;
Fig. 3 shows the perspective view according to the Quick Connect Kit of Fig. 2 that is associated with control tool;
Fig. 4,5 and 6 detailed views that show according to the Quick Connect Kit of Fig. 2;
Fig. 7 A and 7B show the according to another embodiment of the present invention perspective view of Quick Connect Kit;
Fig. 8 and 9 shows the details with the execution mode of the anchor clamps of the splicing ear of the switchgear of jockey collaborative work according to the present invention.
Embodiment
As shown in Figure 1, QuickConnect Kit 10 is elongated form of longitudinally axis X.Described device comprises two ends 1, and these two ends are intended to respectively with theanchor clamps 105 of the splicing ear 110 of electrical open equipment 100 fastening.
The splicing ear 110 that is intended to respectively the switchgear 100 that is connected byjockey 10 according to the present invention comprisesanchor clamps 105, andanchor clamps 105 are comprised of the volume (tightening volume) of tightening that two electrical contact surfaces 106,107 that can be moved relative to each other define.The translation of one of described contact surface oftrip bolt 101 controls.
According to a modification of the present invention, each end 1 of Quick Connect Kit 10 is arranged to adopt the first rigging position and with the second place of described device and splicing ear 110 lockings.
Be assemblied in by the end 1 withjockey 10 on thetrip bolt 101 ofanchor clamps 105 of splicing ear 110 and obtain primary importance.
Obtain the second place from the first rigging position.After longitudinal axis X rotation, obtain the second latched position at described splicing ear.
By having been rotated anglec of rotation α around their longitudinal axis X,jockey 10 obtains switching from the primary importance to the second place.
According to preferred embodiment, each end 1 comprises and is arranged to the area supported SA that contacts with contact surface 106,107 at theanchor clamps 105 of the second latched position.Area supported SA is contacted with the contact surface ofanchor clamps 105 can guarantee electrically contacting betweenjockey 10 and splicing ear 110.
Each end 1 ofjockey 10 comprises thegroove 2 that is parallel to longitudinal axisX extension.So groove 2 is separated the first andsecond contact branches 4,5, the two is spaced from each other apart from e.
Separate the first andsecond contact branches 4,5 be determined apart from e, thus allow at the first rigging position splicing ear 110anchor clamps 105trip bolt 101 by and assembling.In addition, separate the first andsecond contact branches 4,5 be determined apart from e, thus allow Quick Connect Kit and splicingear anchor clamps 105 locking and electrically contact.In other words, apart from e at least greater than the diameter of thetrip bolt 101 of these anchor clamps.
Shown in Fig. 7 A and 7B, according to the first specific embodiment of the present invention, thegroove 2 that is arranged in each end 1 ofjockey 10 extends according to spiral profile.The assembling of described jockey on anchor clamps, in other words, the switching from the first rigging position to the second latched position is to obtain byjockey 10 being screwed on thescrew 101 in the anchor clamps.
Shown in Fig. 4,5 and 6, according to the second specific embodiment of the present invention, the first andsecond contact branches 4,5 are parallel to longitudinal axis X and extend.In addition, each branch is included in thegap 6 of the material in its wall.This gap is to become the direction of clearance angle θ to produce with respect to the longitudinal axis X-shaped.As example, clearance angle θ preferably is substantially equal to 90 °.Thegap 6 of thefirst branch 4 is to make in the direction opposite with the gap of the second branch 5.In addition, the width that has of described gap is used for allowing thetrip bolt 101 of theanchor clamps 105 of splicing ear 110 to switch entering latched position.
As the example of execution mode, the area supported SA that is intended to contact with the contact surface 106,107 ofanchor clamps 105 is placed onbranch 4,5 the outer surface.Area supported SA has the periphery of extending according to the curve corresponding to thecontact surface 106 of theanchor clamps 105 of splicing ear 110,107 negative surface.As the example of execution mode, one of area supported SA ofbranch 4 has the periphery that the curve according to convex form extends.
In addition,branch 4,5 comprises inner surface, and this inner surface supports the device that is used for the trip bolt ofanchor clamps 105 is blocked in the second latched position.As the example of execution mode, this retention device is outstanding in the inside, gap of the material of described the first and second contact branches and is substantially perpendicular to the groove that longitudinal axis X extends.
According to the variant embodiment shown in Fig. 2 and 3, jockey according to the present invention comprises drive unit 8.Drive unit 8 is intended to andinstrument 80 collaborative works, in order to be driven into the second place from primary importance.As shown in Figure 3, bysingle instrument 80, a plurality of jockeys according to the present invention can be driven simultaneously.According to specific embodiment, drive unit 8 comprises for example flank profil, and this flank profil is arranged to the ring around the cylindrical body ofjockey 10.
The invention still further relates to a kind of method for connecting two switchgears 100, the two by at least one as defined abovejockey 10 be connected.The method comprises that two ends 1 with jockey are assemblied on thescrew 101 ofanchor clamps 105 of splicing ear 110 of two switchgears 100.In case assembling is finished, then, the method comprises makesjockey 10 around longitudinal axis X rotation anglec of rotation α.According to the specific embodiment of this method, what be used forjockey 10 makes them be substantially equal to 90 ° from the anglec of rotation α that the first rigging position switches to the second latched position.