CN213025963U

CN213025963U - Self-adaptation staple bolt external member is used in equipment that T type fuse shifts

Info

Publication number: CN213025963U
Application number: CN202022036555.5U
Authority: CN
Inventors: 刘玉林; 逯文娟; 孙天辉; 卢振霞; 高占强
Original assignee: Shandong Desheng Electric Power Co ltd
Current assignee: Shandong Desheng Electric Power Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-20
Anticipated expiration: 2030-09-17

Abstract

A self-adaptive hoop external member for the displacement assembly of a T-shaped fuse comprises a hoop body part and an auxiliary pad, wherein a semi-annular main body part of the hoop body part is provided with a gap, the auxiliary pad is enclosed into an annular shape and comprises a flat inner surface and an outer surface with convex ridges, the convex ridges are matched with the gap of the hoop body part, the inner and outer orientations of the auxiliary pad can be changed by overturning, when the outer surface faces outwards, the inner surface is annularly sleeved on a middle flat part of a T-shaped fuse melt tube porcelain bushing, and the convex ridges of the outer surface are embedded into the gap of the hoop body part; when the inner surface faces outwards, the outer surface is annularly sleeved on the skirt edge part of the porcelain bushing of the fuse body tube of the T-shaped fuse, and the raised ridge is embedded in the gap of the skirt edge. This scheme changes the inside and outside orientation of auxiliary pad through the upset and carries out self-adaptation adjustment according to different screens on T type fuse, and the auxiliary pad both can provide basic buffer protection and fix a position locking, can imbed again and be filled as the entity support in the shirt rim gap, realizes the firm screens of skirt portion, has practiced thrift the cost greatly.

Description

Self-adaptation staple bolt external member is used in equipment that T type fuse shifts

Technical Field

The utility model relates to a fuse assembly technical field, concretely relates to T type fuse shifts equipment and uses self-adaptation staple bolt external member.

Background

The T-shaped fuse is a fuse used in an oil well transformer platform of our company, the general structure of the T-shaped fuse is shown in figure 1, and comprises a transverse shaft formed by a fuse tube 01 wrapped with a porcelain bushing and a longitudinal shaft formed by a post insulator 02, the top of the post insulator 02 is fixed with the central part of the fuse tube 01 wrapped with the porcelain bushing through a special hoop 03, the T-shaped fuse is a product (such as RXWO series) directly purchased in the market, and the situation that the clamping position of the hoop 03 needs to be changed is often encountered in practical application, for example, when the installation distance between the T-shaped fuse and a high-voltage main body is limited, or in order to build an intelligent oil well transformer platform, the T-shaped fuse needs to be modified into a movable contact for use.

As shown in fig. 1, once the clamping position of the hoop 03 needs to be moved from the middle flat part C of the fuse tube porcelain sleeve to the skirt edge part a of the fuse tube porcelain sleeve, the clamping position cannot be firmly clamped due to the influence of the skirt edge structure, T-type fuse porcelain sleeves purchased from the market are standard products, the whole set of fuse tubes with different skirt edges is customized according to the required clamping position, and the cost is undoubtedly high.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned problem, satisfy the needs that T type fuse shifted the equipment, the utility model provides a T type fuse shifts equipment and uses self-adaptation staple bolt external member realizes the firm connection of post insulator and fuse tube insulator through the adaptive capacity of external member to the different screens of fuse tube insulator.

The technical scheme of the utility model as follows:

a self-adaptive hoop kit for the deflection assembly of a T-shaped fuse comprises a hoop body and an auxiliary pad, wherein the hoop body comprises two semi-hoops, each semi-hoop comprises a semi-annular main body part, and at least one gap notch is formed in the semi-annular main body part; the auxiliary pad is encircled into a ring shape and comprises a flat inner surface and an outer surface with a raised ridge, the raised ridge is matched with the gap notch of the hoop body, the inner surface and the outer surface are opposite, the inner direction and the outer direction can be changed through overturning, when the outer surface faces outwards, the inner surface is a contact surface with the T-shaped fuse, the ring is sleeved on the middle flat part of the T-shaped fuse tube porcelain bushing, the outer surface is matched with the inner side surface of the hoop body, and the raised ridge is embedded into the gap notch of the hoop body; when the inner surface faces outwards, the outer surface is a contact surface with the T-shaped fuse, the outer surface is sleeved on the skirt edge part of a porcelain sleeve of a fuse tube of the T-shaped fuse in an annular mode, the raised ridge is embedded into a gap of the skirt edge, and the inner surface is matched with the inner side surface of the hoop body part.

Furthermore, as above the self-adaptation staple bolt external member is used in equipment that shifts of T type fuse, the semi-annular main part both ends of every half hoop are provided with installation department and locking portion respectively, and the installation department is used for linking to each other with the post insulator top of T type fuse, and locking portion is used for locking two half hoops through the retaining member.

Furthermore, as to the adaptive hoop set for T-shaped fuse displacement assembly, the mounting part and/or the locking part are/is provided with mounting holes.

As an implementation manner, the adaptive hoop set for T-shaped fuse displacement assembly is described above, and the auxiliary pad is a closed annular member.

As one implementation manner, the adaptive hoop set for the T-shaped fuse displacement assembly is described above, wherein the auxiliary pad is an open annular member; further, as for the adaptive hoop set for T-shaped fuse deflection assembly, the annular part of the opening is formed by surrounding strip-shaped materials.

Furthermore, as mentioned above, the auxiliary pad is a rubber pad.

In one embodiment, the gap notch extends continuously along the length direction of the semi-annular main body part, and the extending length is not less than half of the length of the semi-annular main body part.

As one implementation manner, in the adaptive hoop set for T-shaped fuse displacement assembly, the gap gaps are distributed intermittently along the length direction of the semi-annular main body part, and the cumulative length is not less than half of the length of the semi-annular main body part; furthermore, the adaptive hoop set for the T-shaped fuse displacement assembly adapts to the discontinuous distribution of the gap gaps, and the convex ridges on the auxiliary pad are also distributed discontinuously.

The utility model discloses for prior art gained beneficial effect lie in:

the utility model relates to a T type fuse shifts equipment and uses self-adaptation staple bolt external member, through the cooperation design of hoop body and auxiliary pad, can change the inside and outside orientation of auxiliary pad through the upset and carry out self-adaptation adjustment according to different screens on T type fuse, when the auxiliary pad surface outwards, the internal surface contacts with T type fuse, the ring cover is at the middle flat part of T type fuse pipe porcelain bushing, provide basic buffering protection, and the surface cooperates with the inboard surface of hoop body, the protruding ridge imbeds in the gap breach of hoop body, not only can not influence the clamp of hoop body to auxiliary pad, still increased location accuracy and bonding strength through this embedding mode, prevented the pine from taking off; when the internal surface outwards, surface and T type fuse contact, the shirt rim portion at T type fuse body pipe insulator is cup jointed to the ring, utilizes in the protruding ridge embedding shirt rim gap, and the protruding ridge that imbeds in the shirt rim gap has acted as the entity and has supported to the unstability and the skew that lead to on the shirt rim have been taken to the hoop body portion has been prevented, has increased centre gripping area of contact, buffering and protective capacities when having improved the centre gripping. The simple and scientific design meets the requirement of the T-shaped fuse on displacement assembly, the stable connection between the post insulator and the porcelain bushing of the fuse tube is realized completely through the self-adaptive capacity of the bushing to different clamping positions of the porcelain bushing of the fuse tube, only a matched hoop kit needs to be designed according to the shape and the size of a T-shaped fuse (such as RXWO series) sold in the market, an expensive whole set of fuse tube does not need to be customized, and the cost is greatly saved.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a schematic view of an assembled structure of a T-shaped fuse;

fig. 2 is a schematic view of a hoop body structure of the adaptive hoop kit for the deflection assembly of the T-type fuse in embodiment 1;

fig. 3 is a schematic view of an auxiliary pad structure in the adaptive hoop kit for the deflection assembly of the T-type fuse in embodiment 1;

fig. 4 is a schematic view of a first position-locking cooperation state of the adaptive hoop kit for the deflection assembly of the T-type fuse in embodiment 1;

fig. 5 is a schematic diagram illustrating the principle of turning the inner and outer surfaces of the auxiliary pad in the adaptive hoop kit for the shift assembly of the T-type fuse in embodiment 1;

fig. 6 is a schematic diagram illustrating a second locking state of the adaptive hoop kit for the deflection assembly of the T-type fuse in embodiment 1;

fig. 7 is a schematic view of an auxiliary pad structure in the adaptive hoop kit for the shift assembly of the T-type fuse in embodiment 2.

The components represented by the reference numerals in the figures are:

in fig. 1, a fuse tube 01, a post insulator 02 and a hoop 03;

in fig. 2-7, the hoop body 10, the semi-annular body 11, the gap 12, the mounting portion 13, the locking portion 14, the auxiliary pad 20, the inner surface 21, the outer surface 22, and the ridge 23.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Example 1

Referring to fig. 2 to 6, the adaptive hoop set for T-type fuse displacement assembly of the present embodiment includes a hoop body 10 shown in fig. 2 and an auxiliary pad 20 shown in fig. 3, where the hoop body 10 includes two half hoops, each half hoop includes a half-ring main body portion 11, and a gap 12 is formed in the half-ring main body portion 11; the auxiliary pad 20 is enclosed into a ring shape and includes a flat inner surface 21 and an outer surface 22 with a raised ridge 23, as can be seen from fig. 4, the raised ridge 23 is matched with the slit gap 12 of the hoop body 10, the inner surface 21 and the outer surface 22 of the auxiliary pad 20 are opposite, and can change the inner and outer orientations by flipping, as shown in fig. 5, when the outer surface 22 faces outwards (the matching state shown in fig. 4), in combination with the T-type fuse assembly structure shown in fig. 1, the inner surface 21 is the contact surface with the T-type fuse, the ring is sleeved on the middle flat part C of the porcelain bushing of the T-type fuse tube 01, the outer surface 22 is matched with the inner side surface of the hoop body 10, the raised ridge 23 is embedded in the slit gap 12 of the hoop body 10, after the hoop locks the fuse tube 01, the auxiliary pad 20 provides a substantial buffer protection between the hoop body 10 and the fuse tube 01, the outer surface 22 is matched with the inner side surface of the hoop body 10, and the convex ridge 23 is embedded into the gap 12 of the hoop body, so that the compression of the hoop body 10 on the auxiliary pad 20 is not influenced, the positioning accuracy and the bonding strength are increased through the embedding mode, and the loosening is prevented.

When the T-shaped fuse needs to be changed from a middle flat part C shown in figure 1 to a skirt part A when the T-shaped fuse is required to be changed into a movable contact for use due to the limited installation distance between the T-shaped fuse and a high-voltage main body or for building an intelligent oil well transformer platform, the clamping position needs to be changed from the middle flat part C to the skirt part A shown in figure 1, at this time, when the inner surface 21 faces outwards by turning the inner surface and the outer surface of the auxiliary pad 20 shown in figure 3 as shown in figure 5, the outer surface 23 is a contact surface with the T-shaped fuse and is sleeved on the skirt part A of a porcelain bushing of a T-shaped fuse tube 01, the ridge 23 is made to be just embedded into a skirt gap in size, the inner surface 21 is matched with the inner side surface of the hoop body 10, and thus, the ridge 23 is embedded into the skirt gap, the ridge 23 embedded into the skirt gap serves as a solid support, so, the clamping contact area is increased, and the buffering and protecting capability during clamping is improved.

As shown in fig. 2, 4 and 6, in the adaptive hoop set for T-type fuse displacement assembly of the present embodiment, a mounting portion 13 and a locking portion 14 are respectively disposed at two ends of a semi-annular main body portion 11 of each semi-hoop, the mounting portion 13 is used for connecting with the top end of a post insulator 02 of the T-type fuse shown in fig. 1, the locking portion 14 is used for locking the two semi-hoops through a locking member, and as can be seen from the drawings, the mounting portion 13 and the locking portion 14 are both provided with mounting holes, and can be mounted and locked by using known parts such as screws.

The auxiliary pad 20 shown in fig. 3 to 5 is a closed ring-shaped member made of an aging-resistant rubber material and having a certain elasticity to facilitate turning and sleeving, and the slit 12 of the band portion 10 shown in fig. 2, 4 and 6 continuously extends along the length of the semi-annular main body portion 11 by not less than half the length of the semi-annular main body portion 11.

As an alternative implementation, the gap gaps 12 may also be intermittently distributed along the length direction of the semi-annular main body portion 11, and in order to ensure a good solid supporting effect, the cumulative length of the intermittently distributed gap gaps 12 is also preferably not less than half of the length of the semi-annular main body portion 11, obviously, the convex ridges 23 on the auxiliary pad 20 should also be intermittently distributed in accordance with the intermittent distribution of the gap gaps 12.

In the embodiment, through the matching design of the hoop body and the auxiliary pad, the inner and outer directions of the auxiliary pad are changed through overturning, so that the auxiliary pad is adaptively adjusted according to different clamping positions on the T-shaped fuse, when the middle flat part of the T-shaped fuse is clamped, the inner surface of the auxiliary pad is contacted with the T-shaped fuse, the auxiliary pad is sleeved on the middle flat part of a porcelain sleeve of a fuse tube of the T-shaped fuse in a sleeving manner, so that basic buffering protection is provided, the outer surface of the auxiliary pad is matched with the inner side surface of the hoop body, and the convex ridge is embedded into a gap notch of the hoop body, so that the positioning accuracy; when the skirt edge part of the T-shaped fuse is clamped, the outer surface of the auxiliary pad is in contact with the T-shaped fuse, the auxiliary pad is sleeved on the skirt edge part of the porcelain sleeve of the fuse tube of the T-shaped fuse in a sleeved mode, the convex ridge on the outer surface is embedded into the skirt edge gap, the convex ridge embedded into the skirt edge gap serves as a solid support, thereby preventing the instability and deflection caused by the lapping of the hoop body part on the skirt edge, increasing the clamping contact area, improving the buffering and protecting capability during clamping, the simple and scientific design meets the requirement of the T-shaped fuse on displacement assembly, the stable connection between the post insulator and the porcelain bushing of the fuse tube is realized completely through the self-adaptive capacity of the bushing to different clamping positions of the porcelain bushing of the fuse tube, only a matched hoop kit needs to be designed according to the shape and the size of a T-shaped fuse (such as RXWO series) sold in the market, an expensive whole set of fuse tube does not need to be customized, and the cost is greatly saved.

Example 2

As shown in fig. 7, this embodiment provides another implementation manner for manufacturing the auxiliary pad 20, and in this embodiment, the auxiliary pad 20 is an open ring-shaped member surrounded by a strip-shaped material.

The advantage of this design in this embodiment is that a wider range is provided for the choice of material for the auxiliary pad 20, some gasket materials with good corrosion resistance and strength may have poor flexibility in the market, the auxiliary pad 20 is designed as an open piece surrounded by strip-shaped material, and even if the auxiliary pad 20 has no high flexibility, the requirement of sleeving and turning can be satisfied, and of course, the same rubber material as in embodiment 1 can be completely selected in this case.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A self-adaptive hoop kit for T-shaped fuse displacement assembly comprises a hoop body (10) and an auxiliary pad (20), and is characterized in that the hoop body (10) comprises two half hoops, each half hoop comprises a semi-annular main body part (11), and at least one gap notch (12) is formed in each semi-annular main body part (11); the auxiliary pad (20) is enclosed into a ring shape and comprises a flat inner surface (21) and an outer surface (22) with a raised ridge (23), the raised ridge (23) is matched with the gap notch (12) of the hoop body (10), the inner surface (21) and the outer surface (22) are opposite and can change the inner and outer orientations through overturning, when the outer surface (22) faces outwards, the inner surface (21) is a contact surface with a T-shaped fuse and is sleeved on a middle flat part (C) of a porcelain sleeve of a T-shaped fuse melt pipe (01), the outer surface (22) is matched with the inner side surface of the hoop body (10), and the raised ridge (23) is embedded into the gap notch (12) of the hoop body (10); when the inner surface (21) faces outwards, the outer surface (22) is a contact surface with a T-shaped fuse, the outer surface is sleeved on a skirt edge part (A) of a porcelain sleeve of a fuse tube (01) of the T-shaped fuse in an annular mode, the raised ridge (23) is embedded into a skirt edge gap, and the inner surface (21) is matched with the inner side surface of the hoop body part (10).

2. The adaptive hoop set for T-shaped fuse displacement assembly according to claim 1, wherein two ends of the semi-annular main body part (11) of each semi-hoop are respectively provided with a mounting part (13) and a locking part (14), the mounting part (13) is used for being connected with the top end of a post insulator (02) of the T-shaped fuse, and the locking part (14) is used for locking the two semi-hoops through a locking piece.

3. The adaptive hoop set for T-shaped fuse displacement assembly according to claim 2, wherein the mounting portion (13) and/or the locking portion (14) are provided with mounting holes.

4. The adaptive hoop set for T-shaped fuse deflection assembly according to claim 1, wherein the auxiliary pad (20) is a closed ring-shaped member.

5. The adaptive hoop set for T-shaped fuse displacement assembly according to claim 1, wherein the auxiliary pad (20) is an open ring-shaped member.

6. The adaptive hoop set for T-shaped fuse deflection assembly according to claim 5, wherein the open ring-shaped member is formed by a strip-shaped material.

7. The adaptive hoop set for T-shaped fuse deflection assembly according to any one of claims 4-6, wherein the auxiliary pad (20) is a rubber pad.

8. The adaptive hoop set for T-shaped fuse displacement assembly according to claim 1, wherein the slit notch (12) continuously extends along the length direction of the semi-annular main body part (11) and the length of the slit notch is not less than half of the length of the semi-annular main body part (11).

9. The adaptive hoop set for T-shaped fuse deflection assembly according to claim 1, wherein the gap gaps (12) are intermittently distributed along the length direction of the semi-annular main body part (11), and the cumulative length is not less than half of the length of the semi-annular main body part (11).

10. The adaptive hoop set for T-shaped fuse deflection assembly as claimed in claim 9, wherein the raised ridges (23) on the auxiliary pad (20) are distributed intermittently in accordance with the intermittent distribution of the gap notches (12).