JPH065340U - Aerial termination connection for mobile cable terminals - Google Patents

Abstract

(57) [Abstract] [Purpose] It is an object to provide an air termination connection portion of a mobile cable terminal capable of performing quick emergency treatment. [Arrangement] A moving cable 2 to which a moving cable 1 is detachably connected and a substantially vertical main body 4 having an aerial connecting terminal 3 at its upper end are integrally formed so as to form a substantially right angle. The connection part 5 is configured.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of an air termination connection portion for connecting terminals of a mobile power cable.

[0002]

[Prior art]

 Conventionally, when connecting a high-voltage moving cable of generally 30 kV or more to indoor wiring, electrical equipment, etc., attach an air termination connection part to the movement cable terminal and connect via this air termination connection part. To be done.

[0003]

[Problems to be solved by the device]

 By the way, the above-mentioned conventional air-terminating terminal has a structure in which the moving cable end is connected to the lower end in the longitudinal direction of the connecting part, and the moving cable part drawn out from the connecting part is drawn out downward as it is. Therefore, considering the bending of the cable, a considerable space is required. Therefore, when installing an air termination connection when using a high-voltage, large-sized mobile cable for testing or construction, the air termination connection must be installed at an extremely high position. First of all, it was impossible to use it for floor-standing equipment in indoor substations where there was no room in height.

Therefore, the present invention solves such a problem in the related art, and even in an indoor substation where there is no room in height, the mobile cable terminal can be easily attached and detached, and quick emergency treatment can be performed. It is an object of the present invention to provide an aerial terminal connection portion of a movable cable terminal that can be used.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, an aerial terminal connection portion of a mobile cable terminal according to the present invention is a substantially vertical cable having a cable connection portion for detachably connecting the mobile cable terminal and an air connection terminal at an upper end. The main body portion is integrally formed so that they form a substantially right angle and the cable connecting portion faces the substantially horizontal direction at the lower end.

[0006]

[Action]

 In the terminal end portion for connecting the moving cable terminal configured as described above, since the moving cable can be connected in the horizontal direction to the terminal end portion in the air, the height of the entire connecting device is not increased. Suitable for use in indoor substations where there is no room in height.

Since a large-diameter and heavy-capacity moving cable can be connected through the aerial connecting terminal of the aerial terminal connecting portion without lifting to a high position, quick emergency treatment can be performed.

[0008]

【Example】

 The present invention will be described in detail with reference to the illustrated embodiment. FIG. 1 shows an aerial terminal connection portion of a mobile cable terminal according to the present invention, which includes a cable connection portion 2 for detachably connecting a flexible mobile cable 1 transmitting power of 30 kV or more, and an air cable at the upper end. A substantially vertical main body portion 4 having a middle connecting terminal 3 is integrally formed so that they form a substantially right angle, and the cable connecting portion 2 is oriented in a substantially horizontal direction at the lower end, thereby forming an air terminal connecting portion. Make up 5.

An upper vertical portion 7 a of the epoxy sleeve body 7 having a substantially L-shape is internally provided in the body portion 4, and a conductor pull-out rod 8 passing through the center of the epoxy sleeve body 7 is attached to the air connecting terminal 3. Connected. Reference numeral 9 is a fixture for the conductor lead-out portion, which is composed of bolts and nuts.

Further, a mold insulating sleeve 10 made of EP rubber or the like, an upper cover 11, and a covering portion 12 such as a shrink tube are provided around the outer peripheral portion of the main body portion 4, respectively. As shown in FIG. 2, the epoxy sleeve body 7 has a conductor lead-out rod 8 and an epoxy insulator 49 provided around the conductor lead-out rod 8.

A lower end portion of the epoxy sleeve main body 7 which is the cable connecting portion 2 is bent and formed at a substantially right angle, and a gripping member 14 is electrically conductive with the conductor pulling rod 8 at an end portion of the conductor pulling portion 8. It is installed internally.

The holding member 14 has a plurality of slits in the axial direction, and the elastic force of the slits is used to insert and fit the conductor connector 13 covered with a copper sleeve on the stranded conductor of the moving cable 1. To wear.

In addition, a cable end receiving hole 15 into which the tip end portion of the moving cable 1 is inserted and fitted is formed at the end of the epoxy insulator 49. Further, a bracket 16 is fixed to the end surface of the epoxy insulator 49, and a plurality of female screws 50 ... Are formed on the bracket 16 at a predetermined pitch in the circumferential direction.

At the end of the moving cable 1, a premold insulator 17 made of EP rubber or the like fitted on the cable body 1 a, a protective case 18 made of bronze casting, and an inside of the protective case 18 are provided. And an insulator pressing member 19 provided on the.

Then, the bolts 22 are screwed to the female screws 50 through the through holes 21 of the flange portion 20 of the protective case 18 to connect the conductor pull-out rod 8 and the conductor connector 13 to each other. The cable 1 and the air termination connection 5 are brought into conduction.

At this time, the outer surface taper portion of the insulator 17 is attached to the inner surface taper portion of the cable end receiving hole 15 in a pressed state by the insulator pressing member 19.

Next, as shown in FIGS. 1 and 3, the carriage 6 includes a U-shaped frame 23 in a plan view, a connecting portion fixing member 24, and a tilt fixing stay 25. The connecting portion fixing member 24 has a trough-shaped receiving portion 31 having a semicircular cross section on which the cable connecting portion 2 can be placed. A vertical plate 32 and an upper plate 33 are fixed to one end of the receiving portion 31 and the other end. Horizontal projections 34, 34 are fixed to both side surfaces of the.

Further, the connecting portion fixing member 24 includes a holding member 35 which is vertically fixed to the upper plate 33 with bolts and the like, and a stopper 36 which is attached to the horizontal projecting pieces 34, 34 through bolt-nut coupling. Have

Then, the main body 4 of the aerial terminal connection portion 5 is clamped by the clamping member 35, and the cable connection portion 2 is clamped by the horizontal projecting pieces 34, 34 and the stopper 36 by bolt nut coupling, respectively, and the cable connection is made. An aerial terminal connecting portion 5 is attached to the carriage 6 with the portion 2 being substantially horizontal and the main body portion 4 being substantially vertical.

A pair of connecting standing plates 26, 26 is fixed to the frame 23. The connecting standing plates 26, 26 and the pair of connecting standing plates 27, 27 of the connecting portion fixing member 24 are bolt nuts. The connection portion fixing member 24 and the frame 23 are connected by the couplings 28, 28 so that they can swing about the axis A.

Numeral 29 is an adjuster, which supports and fixes the four corners of the frame 23 and is vertically movable. 30 are casters attached to the four corners of the lower surface of the frame 23.

The tilt-fixing stay 25 is a box-shaped one-sided opening, and as shown in FIGS. 1, 3 and 4, vertical insertion holes 37a, 37a, 37b, 37b and vertical holes 38a, 38a 38b and 38b are penetrated.

The tilt-fixing stay 25 is in sliding contact with the vertical plate 32, both side wall surfaces 23 a, 23 a of the frame 23, and fixing pieces 42, 42 vertically extending from the both side wall surfaces 23 a, 23 a.

Further, the vertical plate 32 is provided with female screw portions 39, 39 (see FIG. 4) by welding a nut member or the like, and further, a pair of long holes 40 is formed on both side walls 23 a, 23 a of the frame 23. , 40 are formed, and the fixing piece 42 is provided with upright holes 41 a, 41 a and tilting holes 41 b, 41 b at predetermined portions.

Thus, as shown in FIGS. 4 and 5, the connecting portion fixing member 24, which is swingable with respect to the frame 23, is placed in an upright state and an inclined state of a predetermined inclination angle θ, for example, 10 ° to 20 °. Each can be fixed.

Specifically, in the upright state shown in FIG. 4, the bolt 43 is screwed into the female screw portion 39 of the connecting portion fixing member 24 through the upper hole 38 a of the stay 25, and the upper insertion hole of the stay 25 is inserted. 37a is fixed by a bolt nut connection 44 at one end (left side in the drawing) of the long hole 40 of the frame 23, and the lower insertion hole 37b of the stay 25 is bolted at the position of the upright hole 41a of the fixing piece 42. It is fixed by the nut connection 45.

Further, in the inclined state shown in FIG. 5, the bolt 43 is screwed into the female screw portion 39 through the lower hole 38b, and the upper insertion hole 37a is located at the other end (right end in the drawing) of the elongated hole 40. The lower insertion hole 37b is fixed at a position of the tilting hole 41b by a bolt-nut connection 45. 4 to 5, the bolt 43 and the bolt-nut coupling 45 are removed, the bolt-nut coupling 44 is loosened, and the connecting portion fixing member 24 is swung around the axis A so that the inside of the bolt-nut coupling 44 is removed. Is slid from one end to the other end, the stay 25 is brought into contact with the vertical plate 32, and is fixed in an inclined state as described above.

As described above, if the air terminal connecting portion 5 is attached to the tiltably fixed carriage 6 as described above, the air terminal connecting portion 5 can be fixed in the upright state and the inclined state, respectively. In this state, the cable terminal receiving hole 15 (see FIG. 2) of the cable connecting portion 2 is directed obliquely upward, and the space between the cable connecting portion 2 and the installation surface is widened.

Therefore, if the moving terminal 1 is tilted and the moving cable 1 is fitted like an imaginary line, the bolts 22 can be quickly tightened, and the moving cable 1 having a large diameter and a large weight can be fastened. Also in this case, the connection (assembly) work with the air termination connection part 5 can be performed easily and quickly.

After the work of connecting (assembling) the moving cable 1 is completed, if the air terminal connecting portion 5 is fixed from the inclined state to the upright state as shown in FIG. 1, the work of connecting the air connecting terminal 3 is performed. The preparation for is completed.

The aerial terminal connection portion of the mobile cable terminal thus configured is used, for example, as shown in FIG. In this case, connect the aerial connecting terminal 3 of the aerial terminal connecting portion 5 of the present invention with a lead wire 48 (or a copper bar) or the like in the vicinity of the bushing 46 under breakdown or under construction at a substation or the like. Take emergency action.

[0032]

[Effect of device]

 Since the present invention is constructed as described above, it has a great effect as described below.

Since a cable for movement can be connected in the horizontal direction to the aerial terminal connection part 5, the height of the entire connection part does not need to be increased, and it is suitable for use in an indoor substation or the like where there is not enough height. is there. Since it is not necessary to lift and connect the large-diameter and heavy-movement cable 1 to a high position, workability is further improved and quick emergency processing can be performed.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment.

FIG. 2 is an enlarged sectional view of a main part.

FIG. 3 is a perspective view of a main part.

FIG. 4 is a cross-sectional view of a main part of a connection part fixing member in an upright state.

FIG. 5 is a cross-sectional view of a main part of a connection part fixing member in a tilted state.

FIG. 6 is an explanatory diagram of a usage state.

[Explanation of symbols]

 1 Moving cable 2 Cable connection part 3 Air connection terminal 4 Main body part 5 Air end connection part 6 Truck

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kunihiko Sakurama, 8 Kunihiko, Higashimukaijima, Amagasaki City, Hyogo Prefecture Mitsubishi Electric Wire Industries Co., Ltd. Address Within Mitsubishi Electric Wire & Cable Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A cable connecting portion for detachably connecting a moving cable end and a substantially vertical main body portion having an aerial connecting terminal at an upper end thereof such that the cable connecting portion has a substantially right angle. An aerial terminal connection portion of a moving cable terminal, which is integrally formed so as to face a substantially horizontal direction at a lower end.