CN213520519U - External wire connector of high-voltage switch cabinet - Google Patents

Abstract

The utility model relates to an external connection of high tension switchgear connects and draws ware, it draws the seat including what correspond to set up external connection hole one side, can set up to adjust from top to bottom and connect on drawing the seat and the axial lead level set up draw the wheel and draw the wheel down, and will connect respectively and draw the wheel location down and connect last setting element and the lower setting element on drawing the seat, wherein connect and draw the wheel and draw down and form the external connection centre gripping passageway between the wheel, the center of external connection centre gripping passageway aligns with the center in external connection hole, the external connection passes in external connection hole center and the external connection centre gripping passageway, and connect on the laminating and draw the wheel and keep away from the wheel face in external connection hole and upwards lead and binding post intercommunication. The utility model discloses under what align external connection centre gripping passageway connects draw and the direction, the external connection is in the binding post intercommunication on state natural relatively with upper portion down, reduces the external connection and appears the short circuit or the probability of opening circuit, walks the line simultaneously and also need not buckle through the multichannel, and reasonable wiring avoids adding the phenomenon emergence of wiring.

Description

External wire connector of high-voltage switch cabinet

Technical Field

The utility model belongs to the high tension switchgear field, concretely relates to high tension switchgear's external line connects draws ware.

Background

As is well known, a high voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system to perform switching, control or protection functions. The high-voltage switch cabinet is used as an electric appliance product with the voltage grade of 3.6 kV-550 kV, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.

At present, the external connection of high tension switchgear generally penetrates from the wiring hole of setting for to with the binding post intercommunication in the cabinet, then carry out cluster, parallel intercommunication by binding post passageway wire with the electric elements who corresponds, however, in actual operation, because the requirement of external connection access, need get into from the cabinet body bottom then upwards with the electric elements switch-on, consequently, the external connection penetrates the back from the wiring hole, the edge that pastes the cabinet body needs the multichannel to buckle, then upwards extends to binding post, with binding post intercommunication at the binding post end.

Although the mode that foretell external line was inserted can satisfy the wiring requirement, the line in wiring hole department is generally all in tightening or transition bending state, that is to say the cable is in unnatural state (also be the stress state) for a long time, in case circular telegram and long-term the back of using, the phenomenon that the external line in wiring hole department appears the short circuit or opens circuit takes place in, simultaneously, walk the line and beautifully, walk the line and all laminate cabinet body edge in addition, in case the external line of reserving is not long enough, then need add a section of line of connecing and just can communicate with electric elements.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a brand-new external line of high tension switchgear and connect and draw the ware.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides an external line connects and draws ware of high tension switchgear, it is including the connection that corresponds the setting on one side of external wiring hole and draw the seat, can set up in the upper and lower regulation ground connect draw wheel and draw the wheel down on connecing the seat and the horizontal setting of axial lead, and will connect respectively and draw the wheel location on connecing the seat with down and go up setting element and setting element down, wherein connect and draw and form the outer wiring centre gripping passageway under and between the wheel, the center of outer wiring centre gripping passageway aligns with the center in external wiring hole, the outer wiring from outer wiring hole center with connect in the centre gripping passageway and the laminating and draw the wheel face that the wheel kept away from the external wiring hole upwards to lead and binding post intercommunication.

Preferably, the upper guide wheel and the lower guide wheel are respectively provided with an upper wheel groove and a lower wheel groove which are inwards sunken from the wheel surface, an external connecting wire clamping channel is formed between the upper wheel groove and the lower wheel groove, and an external connecting wire is matched with the upper wheel groove from the upper part and is matched with the lower wheel groove from the lower part. Under the wheel groove limitation, the external connecting wire is prevented from being guided to move backwards, so that the external connecting wire is prevented from loosening or falling off.

Furthermore, the upper guide wheel and the lower guide wheel are aligned up and down and are arranged at intervals. Thus, the clamping and positioning of the external wires are convenient to implement.

According to a specific implementation of the utility model and preferred aspect, connect the leading wheel and connect the leading wheel down on connecing the seat through last shaft and lower shaft connection respectively, and connect the leading wheel down and set up round the axial lead free rotation of last shaft and lower shaft respectively on going up. Under the free rotation of the upper guide wheel and the lower guide wheel, the device is equivalent to a pair of feeding roller rollers, and the guiding of external wires are very convenient.

Preferably, an upper adjusting hole and a lower adjusting hole are formed in the guide connecting seat, and the end part, far away from the upper guide connecting wheel, of the upper wheel shaft transversely penetrates through the upper adjusting hole and can move up and down in the upper adjusting hole; the end part of the lower wheel shaft far away from the lower guide wheel transversely penetrates through the lower adjusting hole and can move up and down in the lower adjusting hole. Under the relative regulation of the upper and lower guide wheels, the external connection wire with different external diameters can be guided and guided.

According to the utility model discloses a still another concrete implementation and preferred aspect, go up the setting element including fixing on the last shaft and be located to connect the draw wheel and connect the spacer sleeve between the seat, be located the spacer sleeve and connect the first elastic component between the seat of drawing, with last shaft emit the tip that connects the seat of drawing screw-thread fit's lock nut mutually, and the cover is established on last shaft and be located to connect the second elastic component between seat of drawing and the lock nut, wherein when the locking, first elastic component and second elastic component deformation compression, the clamping-force that lock nut and separation cover provided will go up the shaft and connect and draw the seat and lock relatively. The relative locking is realized under the elastic clamping of the elastic pieces arranged on the left and the right, and meanwhile, conditions are provided for fine adjustment of the axial movement of the guide wheel.

Preferably, the upper positioning member further comprises a first gasket arranged between the first elastic member and the guide seat, and a second gasket arranged between the second elastic member and the guide seat. Under the arrangement of the gasket, the adjustment of the guide wheel is convenient to implement up and down.

Specifically, the lower positioning piece and the upper positioning piece have the same structure. The structure is simplified, and meanwhile, the assembly of the installation parts is facilitated.

In addition, the external wire leading device also comprises a tension spring arranged between the blocking sleeve of the upper positioning piece and the blocking sleeve of the lower positioning piece. Under the effect of extension spring, keep going up to connect the guide pulley and be in the trend of drawing close relatively with lower guide pulley, ensure the stability of external connection centre gripping passageway.

Preferably, the lantern ring is established to the cover on outer wiring hole, and the external connection passes in the lantern ring, and from the lantern ring to the external connection horizontal installation of external connection centre gripping passageway. Under the effect of the lantern ring, the protection external connection avoids the damage to cause the electric leakage, and this section external connection level sets up simultaneously, can avoid the transition contact of the edge in external connection hole and external connection, reduces the external connection and appears the probability of short circuit or open circuit.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses under what align external connection centre gripping passageway connects draw and the direction, the external connection is in the binding post intercommunication on state natural relatively with upper portion down, reduces the external connection and appears the short circuit or the probability of opening circuit, walks the line simultaneously and also need not buckle through the multichannel, and reasonable wiring avoids adding the phenomenon emergence of wiring.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a high-voltage switch cabinet of the present invention;

FIG. 2 is an enlarged view of the structure of the external lead connector of FIG. 1;

wherein: 1. a lead connecting seat; 10. an upper adjustment hole; 11. a lower adjustment aperture;

2. a guide wheel is connected upwards; 20. an upper wheel groove; a. an upper wheel axle;

3. a lower guide wheel; 30. a lower wheel groove; b. a lower wheel axle;

4. an upper positioning member; 40, 50, a barrier sleeve; 41, 51, a first elastic member; 42, 52, lock nut; 43, 53, a second elastic member; 44, 54, a first gasket; 45, 55, a second gasket;

5. a lower positioning member;

6. a wiring terminal;

7. a tension spring;

x, external connecting wire; k. an outer wiring hole; t, a lantern ring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the external wire connector of the high voltage switch cabinet of this embodiment includes a connecting seat 1 correspondingly disposed at one side of the external wire connecting hole k, an upper connecting wheel 2 and a lower connecting wheel 3 which are disposed on the connecting seat 1 in an up-down adjustable manner and have a horizontal axis, and an upper positioning member 4 and a lower positioning member 5 for positioning the upper connecting wheel 2 and the lower connecting wheel 3 on the connecting seat 1, respectively.

Specifically, an upper adjusting hole 10 and a lower adjusting hole 11 are formed on the guide connecting seat 1.

The upper guide wheel 2 and the lower guide wheel 3 are respectively connected on the guide seat 1 through an upper wheel shaft a and a lower wheel shaft b, and the upper guide wheel 2 and the lower guide wheel 3 are respectively arranged around the axial lead of the upper wheel shaft a and the axial lead of the lower wheel shaft b in a free rotating way. Under the free rotation of the upper guide wheel and the lower guide wheel, the device is equivalent to a pair of feeding roller rollers, and the guiding of external wires are very convenient.

In this example, the end part of the upper wheel shaft a far away from the upper guide wheel 2 crosses the upper adjusting hole 10 and can move up and down in the upper adjusting hole 10; the end of the lower axle b remote from the lower traction wheel 3 traverses the lower adjustment hole 11 and can move up and down in the lower adjustment hole 11. Under the relative regulation of the upper and lower guide wheels, the external connection wire with different external diameters can be guided and guided.

The upper guide wheel 2 and the lower guide wheel 3 are aligned up and down and are arranged at intervals. Thus, the clamping and positioning of the external wires are convenient to implement.

As shown in fig. 2, the upper lead wheel 2 and the lower lead wheel 3 are respectively provided with an upper wheel groove 20 and a lower wheel groove 30 which are recessed inward from the wheel surface, wherein an external wire clamping channel is formed between the upper wheel groove 20 and the lower wheel groove 30, the center of the external wire clamping channel is aligned with the center of the external wire hole k, and an external wire X passes through the center of the external wire hole and the external wire clamping channel and is attached to the wheel surface of the upper lead wheel 2 away from the external wire hole k to be guided upward to be communicated with the connection terminal 6.

In this example, the external line X is matched with the upper wheel groove 20 from the upper portion and the lower wheel groove 30 from the lower portion. Under the wheel groove limitation, the external connecting wire is prevented from being guided to move backwards, so that the external connecting wire is prevented from loosening or falling off.

The upper positioning member 4 includes a blocking sleeve 40 fixed on the upper axle a and located between the upper guide wheel 2 and the guide connecting seat 1, a first elastic member 41 located between the blocking sleeve 40 and the guide connecting seat 1, a locking nut 42 in threaded fit with the end of the upper axle a protruding out of the guide connecting seat 1, a second elastic member 43 sleeved on the upper axle a and located between the guide connecting seat 1 and the locking nut 42, a first gasket 44 disposed between the first elastic member 41 and the guide connecting seat 1, and a second gasket 45 disposed between the second elastic member 43 and the guide connecting seat 1, wherein during locking, the first elastic member 41 and the second elastic member 43 deform and compress, and the clamping force provided by the locking nut 42 and the blocking sleeve 40 locks the upper axle a and the guide connecting seat 1 relatively. The relative locking is realized under the elastic clamping of the elastic pieces arranged on the left and the right, and meanwhile, conditions are provided for fine adjustment of the axial movement of the guide wheel; under the arrangement of the gasket, the adjustment of the guide wheel is convenient to implement up and down.

In this example, the lower retainer 5 and the upper retainer 4 have the same structure. The structure is simplified, and meanwhile, the assembly of the installation parts is facilitated.

Specifically, the lower positioning member 5 includes a blocking sleeve 50 fixed on the lower axle b and located between the lower guide wheel 3 and the guide connecting seat 1, a first elastic member 51 located between the blocking sleeve 50 and the guide connecting seat 1, a locking nut 52 in threaded fit with an end of the lower axle b protruding out of the guide connecting seat 1, a second elastic member 53 sleeved on the lower axle b and located between the guide connecting seat 1 and the locking nut 52, a first gasket 54 disposed between the first elastic member 51 and the guide connecting seat 1, and a second gasket 55 disposed between the second elastic member 53 and the guide connecting seat 1, wherein during locking, the first elastic member 51 and the second elastic member 53 are deformed and compressed, and the clamping force provided by the locking nut 52 and the blocking sleeve 50 locks the lower positioning axle b and the guide connecting seat 1 relatively.

The external cable connector furthermore comprises a tension spring 7 arranged between the blocking sleeve 40 of the upper positioning element 4 and the blocking sleeve 50 of the lower positioning element 5. Under the effect of extension spring, keep going up to connect the guide pulley and be in the trend of drawing close relatively with lower guide pulley, ensure the stability of external connection centre gripping passageway.

Meanwhile, a lantern ring t is sleeved on the external wiring hole k, an external wiring X penetrates through the lantern ring t, and the external wiring X is horizontally arranged from the lantern ring t to the external wiring clamping channel. Under the effect of the lantern ring, the protection external connection avoids the damage to cause the electric leakage, and this section external connection level sets up simultaneously, can avoid the transition contact of the edge in external connection hole and external connection, reduces the external connection and appears the probability of short circuit or open circuit.

To sum up, the utility model has the following advantages:

1) under the guiding and guiding of the clamping channel aligned with the external connecting wire, the external connecting wire is communicated with the connecting terminal at the upper part in a relatively natural state, so that the probability of short circuit or open circuit of the external connecting wire is reduced;

2) the wiring does not need to be bent for multiple times, and the wiring is reasonable, so that the phenomenon of wiring addition is avoided;

3) the relative adjustment of the external connecting clamping channel can meet the requirements of leading and guiding of external connecting wires with different outer diameters, and meanwhile, the phenomenon that the external connecting wires passing through the external connecting clamping channel are loosened or fall off is avoided.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited thereto, and the present invention is not limited to the above-mentioned embodiments, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a high tension switchgear's external line connects and draws ware which characterized in that: the external line connect and draw the ware including correspond set up outside connection hole one side connect draw the seat, can set up with adjusting from top to bottom connect on drawing the seat and the axial lead level set up connect the leading wheel with lead the wheel down and will respectively on connect the leading wheel with lead the wheel location down connect last setting element and lower setting element on drawing the seat, wherein connect on and lead the wheel and lead down and form the external connection centre gripping passageway between the wheel, the center of external connection centre gripping passageway with the center in external connection hole aligns, the external connection certainly pass in external connection hole center and the external connection centre gripping passageway, and laminate go up and connect the leading wheel and keep away from the wheel face in external connection hole upwards leads and binding post intercommunication.

2. An external lead of a high voltage switch cabinet according to claim 1, characterized in that: the upper and lower guide wheels are respectively provided with an upper wheel groove and a lower wheel groove which are inwards sunken from wheel surfaces, wherein the upper wheel groove and the lower wheel groove form an external wiring clamping channel, and external wiring is matched with the upper wheel groove from the upper part and is matched with the lower wheel groove from the lower part.

3. An external lead of a high voltage switch cabinet according to claim 2, characterized in that: the upper guide wheel and the lower guide wheel are vertically aligned and are arranged at intervals.

4. An external lead of a high voltage switchgear according to claim 1, 2 or 3, characterized in that: the upper guide wheel and the lower guide wheel are respectively connected to the guide seat through an upper wheel shaft and a lower wheel shaft, and the upper guide wheel and the lower guide wheel are respectively arranged around the axial leads of the upper wheel shaft and the lower wheel shaft in a free rotating mode.

5. An external lead of a high voltage switch cabinet according to claim 4, characterized in that: an upper adjusting hole and a lower adjusting hole are formed in the guide connecting seat, and the end part, far away from the upper guide connecting wheel, of the upper wheel shaft transversely penetrates through the upper adjusting hole and can move up and down in the upper adjusting hole; the end part of the lower wheel shaft far away from the lower guide wheel transversely penetrates through the lower adjusting hole and can move up and down in the lower adjusting hole.

6. An external lead of a high voltage switch cabinet according to claim 5, characterized in that: the upper positioning piece comprises a blocking sleeve fixed on the upper wheel shaft and positioned between the upper guide wheel and the guide seat, a first elastic piece positioned between the blocking sleeve and the guide seat, a locking nut matched with the end part of the guide seat in a threaded manner and a second elastic piece sleeved on the upper wheel shaft and positioned between the guide seat and the locking nut, wherein when the locking is performed, the first elastic piece and the second elastic piece are deformed and compressed, and the locking nut and the clamping force provided by the blocking sleeve can relatively lock the upper wheel shaft and the guide seat.

7. An external lead of a high voltage switch cabinet according to claim 6, characterized in that: the upper positioning part further comprises a first gasket arranged between the first elastic part and the guide seat and a second gasket arranged between the second elastic part and the guide seat.

8. An external lead of a high voltage switch cabinet according to claim 7, characterized in that: the lower positioning piece and the upper positioning piece have the same structure.

9. An external lead of a high voltage switch cabinet according to claim 8, characterized in that: the outer line guiding device also comprises a tension spring arranged between the blocking sleeve of the upper positioning piece and the blocking sleeve of the lower positioning piece.

10. An external lead of a high voltage switch cabinet according to claim 1, characterized in that: the lantern ring is established to the cover on the outer wiring hole, the external connection passes in the lantern ring, and certainly the lantern ring extremely the external connection horizontal setting of external connection centre gripping passageway.

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