CN212303354U

CN212303354U - Composite insulation three-phase four-wire combined transformer

Info

Publication number: CN212303354U
Application number: CN202020811934.4U
Authority: CN
Inventors: 柴留念; 高伟阳; 赵旭阳; 闫兰萍
Original assignee: Henan Zhuoda Electric Co ltd
Current assignee: Henan Zhuoda Electric Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-05
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a compound insulation three-phase four-wire combined mutual inductor relates to power equipment technical field, specifically is a compound insulation three-phase four-wire combined mutual inductor, the power distribution box comprises a box body, the both sides fixedly connected with fixed connection block of box, the both ends of two bisymmetries of fixed connection block are all rotated and are connected with the U-shaped handle, the lower fixed surface of box is connected with fixed mounting panel, the last fixed surface of box is connected with composite insulator, composite insulator's upper end fixedly connected with transition connection piece. This compound insulation three-phase four-wire combined mutual inductor sets up through the cooperation of hex bolts, cable mounting panel, cable clamp plate, locking screw, makes this compound insulation three-phase four-wire combined mutual inductor possess convenient wiring, the pleasing to the eye effect of wiring, sets up through the cooperation of fixed connection piece, U-shaped handle, anti-skidding handle, makes this compound insulation three-phase four-wire combined mutual inductor possess the effect of hoist and mount, the transport of being convenient for.

Description

Composite insulation three-phase four-wire combined transformer

Technical Field

The utility model relates to a power equipment technical field specifically is a compound insulation three-phase four-wire combined transformer.

Background

The transformer is also called instrument transformer, which is the general name of current transformer and voltage transformer, can change high voltage into low voltage, large current into small current, and is used for measuring or protecting system, its function is mainly to change high voltage or large current into standard low voltage 100V or standard small current 5A or 1A according to proportion, so as to realize standardization and miniaturization of measuring instrument, protecting equipment and automatic control equipment, and the transformer can also be used to separate high voltage system, so as to ensure the safety of human body and equipment.

Compound insulating three-phase four-wire combination mutual-inductor situation is various, and the mode of connection of wiring end is also various, but current wiring end most only has a wiring mouth, and the direction of wiring mouth can not change moreover, and in addition cable itself has certain winding nature, and the effect that leads to after the wiring looks not neat. Mutual-inductor itself is than heavy, and the shape is also irregular, but current mutual-inductor does not carry out structural optimization to hoist and mount and artifical transport, leads to not installing well and transport.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a compound insulation three-phase four-wire combination mutual-inductor has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a composite insulation three-phase four-wire combined transformer comprises a box body, wherein fixed connecting blocks are fixedly connected to two sides of the box body, two ends of each fixed connecting block, which are symmetrical in pairs, are rotatably connected with a U-shaped handle, a fixed mounting plate is fixedly connected to the lower surface of the box body, a composite insulator is fixedly connected to the upper surface of the box body, a transition connecting block is fixedly connected to the upper end of the composite insulator, a connecting threaded hole is formed in the upper surface of the transition connecting block, a hexagon bolt is connected to the inner thread of the connecting threaded hole, a cable mounting plate is arranged between the hexagon bolt and the transition connecting block, a cable pressing plate is fixedly connected to the upper end of the cable mounting plate, a cable is arranged between the cable pressing plate and the cable mounting plate, a locking threaded hole is formed in the circumferential direction, the upper surface of the box body far away from the composite insulator is fixedly connected with a wiring bar.

Preferably, the number of the fixed connecting blocks is four, the fixed connecting blocks are symmetrically arranged on two sides of the box body, and the axle center of each fixed connecting block is provided with a threaded hole of each fixed connecting block.

Preferably, the lower extreme of U-shaped handle is seted up jaggedly, the through-hole has all been seted up to the both sides of breach, the distance of through-hole axle center and breach lower surface equals the radius of fixed connection piece, the inside hoist and mount bolt that is provided with of through-hole and fixed connection piece screw hole.

Preferably, the number of the composite insulators is four, three composite insulators are arranged on one side of the composite insulator in a straight line, one composite insulator is arranged on the other side of the composite insulator, and the distances between the composite insulators on the two sides and the side face of the box body are the same.

Preferably, the quantity of cable mounting panel is one or polylith, the cable mounting panel contains lower end plate and upper end plate, the lower end plate is the same circular with the transition connecting block diameter, the upper end plate of cable mounting panel is square, be provided with the angle between lower end plate and the upper end plate, the both sides of upper end plate are seted up and are compressed tightly the screw hole.

Preferably, when the bag is carried manually, the U-shaped handle is replaced by an anti-skid handle, the anti-skid handle is in threaded connection with the fixed connecting blocks, and the number of the anti-skid handle is four.

(III) advantageous effects

The utility model provides a compound insulation three-phase four-wire combined transformer possesses following beneficial effect:

1. the composite insulation three-phase four-wire combined transformer has the effects of convenient wiring and attractive wiring by the matching arrangement of the hexagon bolts, the cable mounting plate, the cable pressing plate and the locking screws, the cable mounting plate and the cable pressing plate are firstly detached from the composite insulator when in use, the cable is pressed by the cable mounting plate and the cable pressing plate at a proper position, the cable mounting plate and the cable pressing plate are used for connecting a plurality of wires, the cable can be connected without pulling the cable to the upper end wiring of the composite insulator, the plurality of wires are not required to be extruded and installed together, the effect of convenient wiring is realized, the wiring efficiency is improved, the combination of angle and rotation around the hexagon nut is realized by the cable pressing plate, the effect of installing the cable into different angles and inclination angles according to different conditions is realized, thereby the problem that the cable is in disorder has effectively been eliminated, and the effect of wiring has greatly beautifully been put forward.

2. This compound insulation three-phase four-wire combined mutual inductor, through the fixed connection block, the U-shaped handle, the cooperation setting of anti-skidding handle, make this compound insulation three-phase four-wire combined mutual inductor possess the hoist and mount of being convenient for, the effect of the transport of being convenient for, through the side increases the fixed connection block on the box, install the U-shaped handle on the fixed connection block in the time of hoist and mount, the stability of hoist and mount has been improved greatly, and can not touch composite insulator in the hoist and mount, install anti-skidding handle on the fixed connection block during the transport, four handles alone lift one, the stability is greatly improved, make the transport very convenient, wherein U-shaped handle and anti-skidding handle belong to appurtenance only need reserve a small amount can not the incremental cost, only need increase four fixed connection blocks at the box can, very simple change just makes this mutual inductor very convenient hoist and.

Drawings

FIG. 1 is a schematic structural view of the overall appearance of the present invention;

FIG. 2 is a schematic structural view of the appearance of the utility model during hoisting;

FIG. 3 is a schematic structural view of the appearance of the present invention during transportation;

fig. 4 is a schematic structural diagram of an exploded view of the present invention.

In the figure: 1. a box body; 2. fixing a connecting block; 201. fixing a threaded hole of the connecting block; 3. a U-shaped handle; 301. a notch; 302. a through hole; 4. fixing the mounting plate; 5. a composite insulator; 501. a transition connecting block; 502. connecting the threaded hole; 503. locking the threaded hole; 6. a hexagon bolt; 7. a cable mounting plate; 701. a lower end plate; 702. an upper end plate; 703. pressing the threaded hole; 8. a cable compression plate; 9. a cable; 10. locking the screw; 11. a line bank; 12. hoisting bolts; 13. an anti-slip handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a composite insulation three-phase four-wire combined transformer comprises a box body 1, wherein fixed connecting blocks 2 are fixedly connected to two sides of the box body 1, the number of the fixed connecting blocks 2 is four, the fixed connecting blocks are symmetrically arranged on two sides of the box body 1, fixed connecting block threaded holes 201 are formed in the axes of the fixed connecting blocks 2, the fixed connecting block threaded holes 201 are used for fixing handles, two ends of each two symmetrical fixed connecting blocks 2 are rotatably connected with a U-shaped handle 3, the lower ends of the U-shaped handles 3 are provided with notches 301, the planes of the notches 301 are matched with the end faces of the fixed connecting blocks 2 to enable the U-shaped handles 3 to be better installed, through holes 302 are formed in two sides of each notch 301, the distance between the axes of the through holes 302 and the lower surfaces of the notches 301 is equal to the radius of the fixed connecting blocks 2, hoisting bolts 12 are arranged inside the through holes 302 and inside the fixed connecting, the lower surface of the box body 1 is fixedly connected with a fixed mounting plate 4 for fixing a mutual inductor, the upper surface of the box body 1 is fixedly connected with four composite insulators 5, one side of each composite insulator 5 is linearly arranged and three, the other side of each composite insulator is arranged and two rows of composite insulators are staggered, the distances between the composite insulators 5 on two sides and the side surface of the box body 1 are the same, the upper end of each composite insulator 5 is fixedly connected with a transition connecting block 501, the upper surface of each transition connecting block 501 is provided with a connecting threaded hole 502, the inner threads of the connecting threaded holes 502 are connected with a hexagonal bolt 6, a cable mounting plate 7 is arranged between the hexagonal bolt 6 and the transition connecting block 501, the cable mounting plate 7 comprises a lower end plate 701 and an upper end plate 702, the lower end plate 701 is circular with the same diameter as the transition connecting block 501, and the upper end plate 702, be provided with the angle between lower end plate 701 and the upper end plate 702, hold-down screw hole 703 has been seted up to the both sides of upper end plate 702, the upper end fixedly connected with cable pressure strip 8 of cable mounting panel 7, be provided with cable 9 between cable pressure strip 8 and the cable mounting panel 7, locking screw hole 503 has been seted up on transition connection block 501's the circumferencial direction, locking screw hole 503's internal thread is connected with locking screw 10, be used for locking hex bolts 6 to prevent not hard up, the last fixed surface of composite insulator 5's line bank 11 is kept away from to box 1, during the artifical transport state, U-shaped handle 3 changes anti-skidding handle 13 into,

anti-skidding handle

13 and 2 threaded connection of fixed connection block, the quantity.

When the cable pressing plate is used, the cable mounting plate 7 and the cable pressing plate 8 are detached from the composite insulator 5, the cable 9 is pressed by the cable mounting plate 7 and the cable pressing plate 8 at a proper position, the cable 9 can be connected by using the cable mounting plate 7 and the cable pressing plate 8 in a plurality of pairs only without pulling the cable 9 to the upper end of the composite insulator 5, the cables do not need to be arranged together in a squeezing mode, the cable pressing plate 8 has an angle and can rotate around a hexagon nut, and the cable 9 can be installed into different angles and inclination effects according to different conditions. Through increasing fixed connection piece 2 on side 1 of box, install U-shaped handle 3 on fixed connection piece 2 during hoist and mount, install anti-skidding handle 13 during the transport on fixed connection piece 2, four handles alone lift one, wherein U-shaped handle 3 and anti-skidding handle 13 belong to appurtenance and only need reserve a small amount of can not incremental cost, only need increase four fixed connection piece 2 at box 1.

In conclusion, the cable mounting plates 7 with adjustable directions and angles are additionally arranged above the composite insulator 5, the number of the cable mounting plates 7 can be one or more, the problem of wiring disorder is solved, the auxiliary structure is additionally arranged on the box body 1, and the structure for assisting hoisting and carrying is provided, so that the mutual inductor is convenient to install and carry. This compound insulation three-phase four-wire combined mutual inductor sets up through the cooperation of hex bolts 6, cable mounting panel 7, cable pressure strip 8, locking screw 10, makes this compound insulation three-phase four-wire combined mutual inductor possess convenient wiring, the pleasing to the eye effect of wiring, sets up through the cooperation of fixed connection block 2, U-shaped handle 3, anti-skidding handle 13, makes this compound insulation three-phase four-wire combined mutual inductor possess the effect of being convenient for hoist and mount, the transport of being convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a compound insulating three-phase four-wire combination mutual-inductor, includes box (1), its characterized in that: the cable fixing device is characterized in that fixed connecting blocks (2) are fixedly connected to two sides of the box body (1), two ends of each fixed connecting block (2) in two-to-two symmetry are rotatably connected with a U-shaped handle (3), a fixed mounting plate (4) is fixedly connected to the lower surface of the box body (1), a composite insulator (5) is fixedly connected to the upper surface of the box body (1), a transition connecting block (501) is fixedly connected to the upper end of the composite insulator (5), a connecting threaded hole (502) is formed in the upper surface of the transition connecting block (501), a hexagon bolt (6) is connected to the inner thread of the connecting threaded hole (502), a cable mounting plate (7) is arranged between the hexagon bolt (6) and the transition connecting block (501), a cable pressing plate (8) is fixedly connected to the upper end of the cable mounting plate (7), and a cable (9) is arranged, locking threaded holes (503) are formed in the circumferential direction of the transition connecting block (501), locking screws (10) are connected with the internal threads of the locking threaded holes (503), and the upper surface of the box body (1) far away from the composite insulator (5) is fixedly connected with a wiring bar (11).

2. The composite insulated three-phase four-wire combined transformer of claim 1, characterized in that: the quantity of fixed connection piece (2) is four, and the symmetry is installed in box (1) both sides, fixed connection piece screw hole (201) have been seted up to the axle center department of fixed connection piece (2).

3. The composite insulated three-phase four-wire combined transformer of claim 1, characterized in that: the lower extreme of U-shaped handle (3) is seted up jaggedly (301), through-hole (302) have all been seted up to the both sides of breach (301), the distance of through-hole (302) axle center and breach (301) lower surface equals the radius of fixed connection piece (2), inside and the inside hoist and mount bolt (12) that are provided with of fixed connection piece screw hole (201) of through-hole (302).

4. The composite insulated three-phase four-wire combined transformer of claim 1, characterized in that: the number of the composite insulators (5) is four, three composite insulators (5) are arranged on one side of the box body in a straight line, one composite insulator is arranged on the other side of the box body, and the distances between the composite insulators (5) on the two sides and the side face of the box body (1) are the same.

5. The composite insulated three-phase four-wire combined transformer of claim 1, characterized in that: the quantity of cable mounting panel (7) is one or polylith, cable mounting panel (7) contain down end plate (701) and upper end plate (702), lower end plate (701) be with transition connecting block (501) diameter unanimous circular, upper end plate (702) of cable mounting panel (7) are square, be provided with the angle down between end plate (701) and upper end plate (702), the both sides of upper end plate (702) have been seted up and have been compressed tightly screw hole (703).