CN213752337U - Shock-absorbing and anti-falling current transformer - Google Patents

Abstract

A shock-absorbing and anti-falling current transformer relates to the technical field of current transformers and solves the problem of poor shock resistance of the prior art, and comprises a transformer main body, wherein an insulating sleeve is arranged on the outer wall of the transformer main body, protective housings are arranged on two sides of the transformer main body, a foot rest is connected on the protective housings, an anti-falling foot pad is arranged on the foot rest, a shock-absorbing seat is arranged below the transformer main body, the shock-absorbing seat comprises a shell, a first support pillar arranged on a bottom plate of the shell, a first shock-absorbing gasket sleeved on the first support pillar, a shock-absorbing base plate arranged on the first shock-absorbing gasket, a second shock-absorbing gasket arranged on the shock-absorbing base plate and sleeved on the first support pillar, a second support pillar arranged on the shock-absorbing base plate, and a third shock-absorbing gasket sleeved on the second support pillar and arranged on the shock-absorbing base plate, the shock-absorbing base plate is connected with the side wall of the shell, a plurality of through holes are arranged on the shock-absorbing base plate, the first support pillar is positioned in the through holes, the top end of the second support is connected with the top plate of the shell. The utility model discloses a shock mount has improved current transformer's shock resistance.

Description

Shock-absorbing and anti-falling current transformer

Technical Field

The utility model relates to a current transformer technical field, concretely relates to shock attenuation prevents falling current transformer.

Background

The current transformer can change large current into small current according to the electromagnetic induction principle and is used for measuring or protecting a system. The current in the line is relatively high and it is very dangerous to measure it directly. In order to facilitate the conversion of secondary instrument measurement into more uniform current, a current transformer is used for converting current and electrically isolating. The display instrument is mostly a needle type ammeter, so that the secondary current of the current transformer is mostly in ampere level.

The existing current transformer is still lack of the anti-falling performance, and for the problem, a solution is provided in patent application CN201822062762.0 "a shock-absorbing anti-falling device for the current transformer", which discloses a shock-absorbing anti-falling device, but the shock-absorbing anti-falling performance of the current transformer still needs to be improved, and when the bottom of the current transformer is preferentially landed, the shock-absorbing effect of the device is poor, so that the improvement on the anti-impact performance of the bottom of the current transformer is needed to realize the improvement on the anti-impact index of the current transformer.

SUMMERY OF THE UTILITY MODEL

Prevent falling the problem that the damping performance need improve in order to solve current transformer bottom plate, the utility model provides a current transformer is prevented falling in the shock attenuation.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the utility model provides a current transformer is prevented falling in shock attenuation, includes the mutual-inductor main part, be equipped with insulating cover on the mutual-inductor main part outer wall, the both sides of mutual-inductor main part all are provided with the protective housing, are connected with the foot rest on the protective housing, and the foot rest is kept away from one of protective housing and is served and be provided with and prevent falling the callus on the sole, and mutual-inductor main part below is equipped with the shock mount, the shock mount includes: the shell, set up first pillar on shell bottom plate internal surface, cover first damping packing ring on first pillar, set up damping base plate on first damping packing ring, install on the damping base plate and cover second damping packing ring on first pillar, set up second pillar on the damping base plate, cover on the second pillar and set up the third damping packing ring on the damping base plate, the shell lateral wall is connected to the damping base plate, is equipped with a plurality of through-holes on the damping base plate, and first pillar is located the through-hole, and the roof of shell is connected on the top of second pillar, and first pillar and second pillar are a plurality ofly.

Further, the foot rest is connected with the protective shell through screws.

Furthermore, a damping gasket is arranged between the foot stand and the protective shell.

Furthermore, the foot rest is provided with a screw hole, the damping gasket is provided with a through hole, the protective shell is provided with a threaded hole, and the screw sequentially penetrates through the screw hole and the through hole to be in threaded connection with the threaded hole.

Further, the protective shell is connected with the upper surface of the top plate of the shell in a welding mode.

The utility model has the advantages that:

the utility model provides a current transformer is prevented falling in shock attenuation will realize the ascending damping buffering of three side from the vibration of outer shell bottom plate through first pillar, first damping packing ring, second damping packing ring and damping base plate, and the damping of rethread third damping packing ring for amplitude/frequency in the arrival mutual-inductor main part reduces by a wide margin, and when current transformer bottom was preferentially landed, the damping that can be good had guaranteed not impaired of mutual-inductor main part. The utility model discloses a foot rest and shock mount that have the anti-falling callus on the sole for current transformer has fine anti-falling performance and shock attenuation performance, has improved current transformer's shock resistance, guarantees current transformer's life.

Drawings

Fig. 1 is the utility model discloses a section structure chart of current transformer is prevented falling in shock attenuation.

Fig. 2 is that the utility model discloses a current transformer is prevented falling in shock attenuation

Fig. 3 is the utility model discloses a shock attenuation prevents falling partial structure schematic diagram of current transformer's shock attenuation seat.

In the figure: 1. mutual-inductor main part, 2, insulating cover, 3, the side through wires hole that once inclines, 4, foot rest, 5, prevent falling callus on the sole, 6, first pillar, 7, first damping packing ring, 8, second damping packing ring, 9, second pillar, 10, third damping packing ring, 11, roof, 12, bottom plate, 13, lateral wall, 14, damping base plate, 14.1, through-hole, 15, protective housing, 16, damping gasket.

Detailed Description

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

The utility model provides a current transformer is prevented falling in shock attenuation, as figure 1, including mutual-inductor main part 1, be provided with insulating cover 2 on mutual-inductor main part 1's the outer wall, insulating cover 2 has played insulating effect, and mutual-inductor main part 1's inside is provided with a side through wires hole 3, and mutual-inductor main part 1's top is provided with the lead sealing nut, and the both sides of lead sealing nut all are provided with secondary side through wires hole, and mutual-inductor main part 1's both sides all are provided with protective housing 15, and one side of protective housing 15 is provided with foot rest 4. The number of the foot rests 4 is 4, and the adjacent foot rests 4 are symmetrical about the vertical center line of the transformer body 1. Foot rest 4 can weld on protective housing 15, also can be equipped with damping gasket 16 between foot rest 4 and the protective housing 15, foot rest 4 passes through the screw connection protective housing 15, specifically as shown in fig. 2, be equipped with the screw hole on the foot rest 4, be equipped with the clearing hole that is used for the screw to pass on the damping gasket 16, the screw hole that is equipped with on the protective housing 15, screw hole, clearing hole and screw hole correspond the setting, the screw passes screw hole on the foot rest 4, threaded connection predetermines the screw hole on protective housing 15 after passing the clearing hole on the damping gasket 16 again. The foot rest 4 can play the effect that the support was prevented falling when the mutual-inductor dropped. The protective housing 15 is connected to 4 one ends of foot rest, and the other end is provided with prevents falling callus on the sole 5, prevents falling callus on the sole 5 and utilizes the compressibility of air to realize the elastic action, prevents being provided with the rubber layer on falling callus on the sole 5's the outer wall, and the inside on rubber layer is provided with air cushion. A shock absorption seat is arranged below the transformer body 1. The damper base comprises a housing, a first strut 6, a first damper washer 7, a damper base plate 14, a second damper washer 8, a second strut 9 and a third damper washer 10. The first support 6 is provided on the inner surface of the housing bottom plate 12, and the first support 6 is plural. First damping packing ring 7 overlaps on first pillar 6, and damping base plate 14 sets up on first damping packing ring 7, and damping base plate 14 connects shell lateral wall 13, is equipped with a plurality of through-holes 14.1 on the damping base plate 14, and through-hole 14.1 is used for passing first pillar 6, and first pillar 6 is located through-hole 14.1. As shown in fig. 3, the second damping washer 8 is mounted on the damping base plate 14, and the second damping washer 8 is fitted over the first strut 6, i.e., the damping base plate 14 is located between the first damping washer 7 and the second damping washer 8. The second strut 9 is arranged on the damping base plate 14, the third damping washer 10 is sleeved on the second strut 9, the third damping washer 10 is arranged on the damping base plate 14, and the first damping washer 7, the second damping washer 8 and the third damping washer 10 are all connected with the damping base plate 14. The upper end of the second support 9 is connected with the top plate 11 of the shell, and the top plate 11 of the shell is not connected with the first support 6, namely, the height value of the top plate 11 of the shell and the damping base plate 14 is larger than the length value of the first support 6 exceeding the damping base plate 14. The upper surface of the top plate 11 of the shell is connected with a protective shell 15 in a welding mode.

Through first pillar 6, first damping packing ring 7, second damping packing ring 8 and damping base plate 14, will realize the damping buffering in three directions from the vibration of shell bottom plate 12, the damping of rethread third damping packing ring 10 for amplitude/frequency that arrives on mutual-inductor main part 1 reduces by a wide margin, and when current transformer bottom preferentially landed, damping that can be good had guaranteed not impaired of mutual-inductor main part 1. The utility model discloses a foot rest 4 and shock mount of preventing falling callus on the sole 5 have for current transformer has fine preventing falling performance and shock attenuation performance, has improved current transformer's shock resistance, guarantees current transformer's life.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a current transformer is prevented falling in shock attenuation, includes mutual-inductor main part (1), be equipped with insulating cover (2) on mutual-inductor main part (1) outer wall, the both sides of mutual-inductor main part (1) all are provided with protective housing (15), are connected with foot rest (4) on protective housing (15), and foot rest (4) are kept away from one of protective housing (15) and are served and are provided with and prevent falling callus on the sole (5), and mutual-inductor main part (1) below is equipped with the shock mount, its characterized in that, the shock mount includes: the damping base plate comprises a shell, a first supporting column (6) arranged on the inner surface of a shell base plate (12), a first damping washer (7) sleeved on the first supporting column (6), a damping base plate (14) arranged on the first damping washer (7), a second damping washer (8) installed on the damping base plate (14) and sleeved on the first supporting column (6), a second supporting column (9) arranged on the damping base plate (14), and a third damping washer (10) sleeved on the second supporting column (9) and arranged on the damping base plate (14), wherein a shell side wall (13) is connected with the damping base plate (14), a plurality of through holes (14.1) are formed in the damping base plate (14), the first supporting column (6) is located in the through holes (14.1), a top plate (11) of the shell is connected with the top end of the second supporting column (9), and the first supporting column (6) and the second supporting column (9) are both multiple.

2. A shock-absorbing and crash-proof current transformer according to claim 1, characterised in that said foot-rest (4) is connected to the protective casing (15) by means of screws.

3. A shock-absorbing and crash-proof current transformer according to claim 2, characterised in that a shock-absorbing gasket (16) is provided between said foot rest (4) and said protective casing (15).

4. The shock-absorbing and anti-falling current transformer according to claim 3, wherein the foot rest (4) is provided with a screw hole, the shock-absorbing gasket (16) is provided with a through hole, the protective shell (15) is provided with a threaded hole, and the screw sequentially passes through the screw hole and is in threaded connection with the threaded hole after passing through the through hole.

5. A shock absorbing and crash proof current transformer as claimed in claim 1, characterised in that said protective shell (15) is welded to the upper surface of the top plate (11) of the enclosure.

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