CN213905118U

CN213905118U - Combined mutual inductor

Info

Publication number: CN213905118U
Application number: CN202022511168.2U
Authority: CN
Inventors: 蔡行林; 邵利明
Original assignee: Zhejiang Huahui Electric Co ltd
Current assignee: Huahui Electric Group Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-08-06
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a modular mutual inductor, including mutual inductor box, supporting seat, backup pad, wire pole, the last surface mounting of mutual inductor box has the top cap, and the T-shaped rail is installed to the lower surface bilateral symmetry of mutual inductor box, and the lower extreme of mutual inductor box is equipped with the backup pad, and the sliding tray has been seted up to the upper surface bilateral symmetry of backup pad, installs fastening bolt in the nut draw-in groove, and the circular hole interpolation has the slip bracing piece, and the cover has stationary blade, spring, separation blade, spacing piece on the slip bracing piece. The utility model discloses be equipped with accessory case and winding device, satisfy instrument and the condition that change, installation and test were used, improve the availability factor. The utility model discloses a mutual-inductor box has the simple and straight device of spring, can reduce the harm that the mutual-inductor box produced because of vibrations, improves life. The utility model discloses backup pad and mutual-inductor box adopt card formula sliding connection to adopt the supplementary fastening of bolt, efficiency when can improving the installation.

Description

Combined mutual inductor

Technical Field

The utility model relates to a mutual-inductor technical field specifically is a modular mutual-inductor.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current, so that the high voltage and the large current can be used for measuring or protecting a system, and the standardization and the miniaturization of a measuring instrument, a protecting device and an automatic control device can be realized. The combined mutual inductor is also called an open-type current mutual inductor, is suitable for current measurement and microcomputer protection of power supply equipment below 35KV and 10KV of an alternating current power system, the traditional combined mutual inductor does not have a structure convenient to detach and replace, and replacement of accessories needs to be worn by technicians, so that the installation or replacement of the accessories of the combined mutual inductor is very inconvenient, the combined mutual inductor is poor in shock resistance, and particularly the service life of the combined mutual inductor is seriously shortened due to variability of outdoor use environments. Therefore, the utility model provides a combined transformer to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular mutual-inductor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a combined mutual inductor comprises a mutual inductor box body, a supporting seat, a supporting plate and a telegraph pole, wherein a top cover is mounted on the upper surface of the mutual inductor box body, three wire inlet cylinders penetrate through the top cover, an access door is mounted on the front surface of the mutual inductor box body, T-shaped rails are symmetrically mounted on the left and right of the lower surface of the mutual inductor box body, the lower end of the mutual inductor box body is provided with the supporting plate, sliding grooves are symmetrically formed in the left and right of the upper surface of the supporting plate, the T-shaped rails are in clamping type sliding connection with the sliding grooves, nut clamping grooves are formed in the lower surface of the supporting plate and are located below the T-shaped rails, fastening bolts are mounted in the nut clamping grooves and are in threaded connection with the supporting plate and the T-shaped rails;

offer slottedly in the supporting seat, a plurality of circular port and lower water bar hole have been seted up to the inslot bottom of supporting seat, the circular downthehole slip bracing piece that has inserted, the slip bracing piece slides from top to bottom in the circular port, the cover has the stationary blade on the slip bracing piece, a spring, the separation blade, spacing piece fixed mounting is in the lower extreme of slip bracing piece, the separation blade inlays in the supporting seat, stationary blade fixed mounting is in the lower surface of backup pad, the spring is located between separation blade and the stationary blade, it has the wire pole to run through in the middle of the supporting seat, the cover has the lock ring on the wire pole, two sets of support angle irons are installed to the lock ring bilateral symmetry, the lower surface of support angle iron is equipped with two strengthening ribs, the front end of support angle iron passes through bolt fixed mounting in the lower surface of supporting seat.

As a further scheme of the utility model, be equipped with the insulation board in the mutual-inductor box, the insulation board separates the accessory bin with mutual-inductor box left part, and the inlet and outlet wire hole has been seted up to the preceding back wall symmetry of accessory bin.

As the utility model discloses scheme further still, be equipped with a pair of support frame in the accessory bin, support frame fixed mounting is in the bottom of accessory bin.

As the utility model discloses scheme further again, it has the axis of rotation to run through in the support frame, and the axis of rotation rotates with the support frame to be connected, and the right-hand member and the insulation board of axis of rotation rotate to be connected.

As the utility model discloses scheme further again, the left end of axis of rotation runs through the left wall of accessory bin, and the axis of rotation rotates with accessory bin left side wall to be connected, and the centre cover of axis of rotation has the spool.

As the utility model discloses scheme further again, the spool is located between two support frames, and the both ends symmetry cover of spool has the baffle, and the left end cover of axis of rotation has the hand wheel, and the left surface edge of hand wheel installs the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be equipped with accessory case and winding device, satisfy instrument and the condition that change, installation and test were used, improve the availability factor.

2. This use neotype mutual-inductor box has the simple and straight device of spring, can reduce the harm that the mutual-inductor box produced because of vibrations, improves life.

4. This use novel backup pad and mutual-inductor box to adopt card formula sliding connection to adopt the supplementary fastening of bolt, efficiency when can improving the installation.

Drawings

Fig. 1 is a schematic structural diagram of a combined transformer.

Fig. 2 is a schematic structural diagram of a support seat in a combined transformer.

Fig. 3 is a schematic structural diagram of a transformer box in a combined transformer.

Fig. 4 is an enlarged view of a portion a of fig. 1 in a combined transformer.

In the figure: 1. a wire inlet tube; 2. a mutual inductor box body; 3. an access door; 4. a spring; 5. a sliding support bar; 6. a limiting sheet; 7. a support ring; 8. a utility pole; 9. supporting angle iron; 10. a baffle plate; 11. a supporting seat; 12. a fixing sheet; 13. a support plate; 14. a top cover; 15. a circular hole; 16. reinforcing ribs; 17. a bolt; 18. a sewage bar-shaped hole; 19. a T-shaped rail; 20. a nut slot; 21. fastening a bolt; 22. a sliding groove; 23. an accessory storage bin; 24. a handle; 25. a hand wheel; 26. a baffle plate; 27. a spool; 28. a support frame; 29. a rotating shaft; 30. an insulating plate; 31. and a wire inlet and outlet hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a combined transformer includes a transformer box 2, a supporting base 11, a supporting plate 13, and a wire pole 8, a top cover 14 is mounted on an upper surface of the transformer box 2, three wire inlet tubes 1 penetrate through the top cover 14, an access door 3 is mounted on a front surface of the transformer box 2, an insulating plate 30 is disposed in the transformer box 2, the insulating plate 30 separates a left portion of the transformer box 2 from an accessory storage box 23, wire inlet and outlet holes 31 are symmetrically formed in front and rear walls of the accessory storage box 23, a pair of supporting frames 28 are disposed in the accessory storage box 23, the supporting frames 28 are fixedly mounted at the bottom of the accessory storage box 23, a rotating shaft 29 penetrates through the supporting frames 28, the rotating shaft 29 is rotatably connected with the supporting frames 28, a right end of the rotating shaft 29 is rotatably connected with the insulating plate 30, a left end of the rotating shaft 29 penetrates through a left wall of the accessory storage box 23, the rotating shaft 29 is rotatably connected with the left wall of the accessory storage box 23, the winding shaft 27 is sleeved in the middle of the rotating shaft 29 and located between the two support frames 28, the two ends of the winding shaft 27 are symmetrically sleeved with the baffle plates 26, the left end of the rotating shaft 29 is sleeved with the hand wheel 25, and the edge of the left surface of the hand wheel 25 is provided with the handle 24;

the lower surface of the mutual inductor box body 2 is bilaterally symmetrically provided with T-shaped rails 19, the lower end of the mutual inductor box body 2 is provided with a supporting plate 13, the upper surface of the supporting plate 13 is bilaterally symmetrically provided with sliding grooves 22, the T-shaped rails 19 are in clamping type sliding connection with the sliding grooves 22, the lower surface of the supporting plate 13 is provided with nut clamping grooves 20, the nut clamping grooves 20 are positioned below the T-shaped rails 19, fastening bolts 21 are installed in the nut clamping grooves 20, and the fastening bolts 21 are in threaded connection with the supporting plate 13 and the T-shaped rails 19;

set up slottedly in the supporting seat 11, a plurality of circular port 15 and lower water bar hole 18 have been seted up to the inslot bottom of supporting seat 11, circular port 15 interpolation has sliding support pole 5, sliding support pole 5 slides from top to bottom in circular port 15, the cover has stationary blade 12 on the sliding support pole 5, spring 4, separation blade 10, spacing piece 6 fixed mounting is in sliding support pole 5's lower extreme, separation blade 10 inlays in supporting seat 11, stationary blade 12 fixed mounting is in the lower surface of backup pad 13, spring 4 is located between separation blade 10 and the stationary blade 12, supporting seat 11 middle through has wire pole 8, the cover has lock ring 7 on the wire pole 8, two sets of support angle bars 9 are installed to lock ring 7 bilateral symmetry, the lower surface of support angle bar 9 is equipped with two strengthening ribs 16, the front end of support angle bar 9 passes through bolt 17 fixed mounting in the lower surface of supporting seat 11.

The utility model discloses a theory of operation is: when the mutual inductor box 2 receives the downward power, extrude the sliding support pole 5 downwards through the backup pad 13, the cover has spring 4 on the sliding support pole 5, spring 4 receives pressure and produces elasticity, slow down the falling speed of mutual inductor box 2, through the elasticity effect about the small-amplitude, with mutual inductor box 2 reconversion, offal bar hole 18 is with rainwater discharge, prevent that the interior accumulational rainwater of supporting seat 11, corrode spring 4 and sliding support pole 5, separate out accessory bin 23 through insulation board 30 in the mutual inductor box 2, place commonly used accessory and winding device in the accessory bin 23, winding device rotates hand wheel 25 through handle 24 and drives axis of rotation 29 and rotate, thereby take the electric wire out from spool 27, perhaps twine the electric wire on spool 27.

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. A combined transformer comprises a transformer box body (2), a supporting seat (11), a supporting plate (13) and a telegraph pole (8), and is characterized in that a top cover (14) is installed on the upper surface of the transformer box body (2), three wire inlet cylinders (1) penetrate through the top cover (14), an access door (3) is installed on the front surface of the transformer box body (2), T-shaped rails (19) are installed on the lower surface of the transformer box body (2) in a bilateral symmetry mode, the supporting plate (13) is arranged at the lower end of the transformer box body (2), sliding grooves (22) are formed on the upper surface of the supporting plate (13) in a bilateral symmetry mode, the T-shaped rails (19) are connected with the sliding grooves (22) in a clamping and sliding mode, nut clamping grooves (20) are formed in the lower surface of the supporting plate (13), the nut clamping grooves (20) are located below the T-shaped rails (19), and fastening bolts (21) are installed in the nut clamping grooves (20), the fastening bolt (21) is in threaded connection with the support plate (13) and the T-shaped rail (19);

the supporting seat (11) is internally provided with a groove, the bottom of the groove of the supporting seat (11) is provided with a plurality of circular holes (15) and a plurality of water drainage strip-shaped holes (18), sliding support rods (5) are inserted in the circular holes (15), the sliding support rods (5) slide up and down in the circular holes (15), the sliding support rods (5) are sleeved with fixing pieces (12), springs (4), blocking pieces (10) and limiting pieces (6), the limiting pieces (6) are fixedly arranged at the lower ends of the sliding support rods (5), the blocking pieces (10) are embedded in the supporting seat (11), the fixing pieces (12) are fixedly arranged at the lower surface of the supporting plate (13), the springs (4) are positioned between the blocking pieces (10) and the fixing pieces (12), a telegraph pole (8) penetrates through the middle of the supporting seat (11), a supporting ring (7) is sleeved on the telegraph pole (8), and two groups of supporting angle irons (9) are symmetrically arranged on the left and right of the supporting ring (7), two reinforcing ribs (16) are arranged on the lower surface of the supporting angle iron (9), and the front end of the supporting angle iron (9) is fixedly arranged on the lower surface of the supporting seat (11) through a bolt (17).

2. The combined transformer according to claim 1, wherein an insulating plate (30) is arranged in the transformer box body (2), the insulating plate (30) separates the left part of the transformer box body (2) from the accessory storage box (23), and the front wall and the rear wall of the accessory storage box (23) are symmetrically provided with wire inlet and outlet holes (31).

3. The combined transformer according to claim 2, wherein a pair of supporting frames (28) are arranged in the accessory storage box (23), and the supporting frames (28) are fixedly arranged at the bottom of the accessory storage box (23).

4. The combined transformer according to claim 3, characterized in that a rotating shaft (29) penetrates through the support frame (28), the rotating shaft (29) is rotatably connected with the support frame (28), and the right end of the rotating shaft (29) is rotatably connected with the insulating plate (30).

5. The combined transformer according to claim 4, characterized in that the left end of the rotating shaft (29) penetrates through the left wall of the accessory storage box (23), the rotating shaft (29) is rotatably connected with the left wall of the accessory storage box (23), and the winding shaft (27) is sleeved in the middle of the rotating shaft (29).

6. The combined transformer according to claim 5, characterized in that the winding shaft (27) is located between two supporting frames (28), two ends of the winding shaft (27) are symmetrically sleeved with baffles (26), the left end of the rotating shaft (29) is sleeved with a hand wheel (25), and a handle (24) is installed at the edge of the left surface of the hand wheel (25).