CN210897686U

CN210897686U - High-strength corrosion-resistant anti-fracture equipment connecting device

Info

Publication number: CN210897686U
Application number: CN201921338719.0U
Authority: CN
Inventors: 蓝锦标
Original assignee: Guangdong Power Grid Co Ltd; Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Yunfu Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-30
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a high-strength corrosion-resistant anti-fracture equipment connecting device, which comprises a terminal head with one end provided with a lug and the other end provided with a copper structure with a sleeve structure, a connecting pipe with an aluminum alloy structure and used for being sleeved on an aluminum conductor core, and a shell used for wrapping the terminal head and the insulating structure of the connecting pipe; the connecting pipe is installed in the sleeve structure, be provided with the pan feeding mouth that is used for pouring into the leakproofness material to casing inside on the casing, the one end of casing has the lug and exposes in the first open structure of casing, the other end of casing has the second open structure that the wire got into in the casing. The utility model discloses well casing parcel terminal head and connecting pipe, simultaneously through pan feeding mouth on the casing to the inside leakproofness material that pours into of casing into, can stop aluminium conductor core and sleeve structure crimping position and external air contact, solved the galvanic corrosion problem fundamentally, can ensure the long-term safe and reliable operation of device.

Description

High-strength corrosion-resistant anti-fracture equipment connecting device

Technical Field

The utility model relates to a connecting piece technical field, more specifically relates to a high strength is corrosion-resistant prevents equipment connecting device that splits.

Background

The equipment connecting terminal is a connecting piece on a line and equipment, and the safety reliability of the operation of the equipment connecting terminal is related to the reliability information of power supply. In the failure of the distribution network equipment, the port of the terminal crimping position and the connector position is regularly broken, the failure rate of the terminal crimping position and the port of the connector position accounts for 20% of the failure rate of the equipment, and the safe and reliable operation of the distribution network is seriously threatened. The most commonly used equipment connection terminals currently have the following problems: the equipment connecting terminal adopts a copper-aluminum structure, so that the problem of easy galvanic corrosion exists; secondly, the traditional copper-aluminum welding interface has the problem of easy fracture; thirdly, the exposed part of the traditional terminal which is pressed with the lead is easy to age and fall off after being exposed to the sun and rain, and the requirement of waterproofness cannot be met at all.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome above-mentioned prior art not enough, provide a high strength corrosion-resistant anti-fracture equipment connecting device.

In order to solve the technical problem, the utility model discloses a technical scheme is: a high-strength corrosion-resistant anti-fracture equipment connecting device comprises a terminal head of a copper structure, a connecting pipe and a shell, wherein one end of the terminal head is provided with a wire lug, the other end of the terminal head is provided with a sleeve structure, the connecting pipe is of an aluminum alloy structure and is sleeved on an aluminum conductor core, and the shell is of an insulating structure and is used for wrapping the terminal head and the connecting pipe; the connecting pipe is installed in the sleeve structure, be provided with the pan feeding mouth that is used for pouring into the leakproofness material to casing inside on the casing, the one end of casing has the lug and exposes in the first open structure of casing, the other end of casing has the second open structure that the wire got into in the casing.

In the technical scheme, the terminal head with a copper structure is used, so that the problem that the copper-aluminum connecting part of the copper-aluminum transition terminal is easy to break is solved; the aluminum conductor core is arranged in the connecting pipe, the connecting pipe is arranged in the sleeve structure of the terminal head, and then the aluminum conductor core, the connecting pipe and the terminal head are crimped to ensure that the terminal head is crimped firmly; meanwhile, the aluminum conductor core is not directly crimped with the copper terminal, and the aluminum conductor core is not directly contacted with the terminal head and is transited by the connecting pipe, so that the potential difference is reduced, and the risk of galvanic corrosion is reduced. Casing parcel terminal head and connecting pipe, simultaneously through the pan feeding mouth on the casing to the inside leakproofness material that injects of casing, can stop aluminium conductor core and sleeve structure crimping position and external air contact, solved the galvanic corrosion problem fundamentally, can ensure the long-term safe and reliable operation of device.

Preferably, the housing comprises a first shell and a second shell which are detachably connected, and the first shell and the second shell form a cavity structure for accommodating the terminal head and the lead; the first opening structure and the second opening structure are formed by the first housing and the second housing. In this technical scheme, through first shell and the dismantled connection of second shell, can be so that the casing parcel is on terminal head and connecting pipe.

Preferably, at least two groups of positioning devices for fixing the terminal head and the lead are arranged in the cavity structure, in the technical scheme, the positions of the sleeve structure and the lead in the cavity structure are unchanged by the positioning devices, and when the sealing substance is injected into the cavity structure, the uniformity of the thickness of the injected sealing substance can be ensured. It should be noted that the positioning means should be such that the terminal head and the conductor are located optimally at the central axis position in the cavity structure.

Preferably, the positioning device comprises a fixing frame which is respectively convexly arranged on the inner sides of the first shell and the second shell and two groups of positioning rings which are respectively clamped with the fixing frame, and two groups of arc-shaped opening structures are arranged on the opposite sides of the positioning rings. In this technical scheme, first shell all is provided with the mount with the second shell inboard, and equal joint has the holding ring on two sets of mounts, through the setting of two sets of holding rings, can with sleeve structure or wire joint between the arc opening structure between two sets of holding rings. It should be noted that the positioning ring is clamped with the fixing frame, so that the positioning ring with the arc-shaped opening structures of different sizes can be replaced conveniently according to sleeve structures and wires of different specifications.

Preferably, the outer side of the positioning ring is provided with an open slot structure clamped on the outer side of the fixing frame. In the technical scheme, the open slot structure is arranged so that the positioning ring is clamped with the outer side of the fixing frame.

Preferably, two ends of the first housing and the second housing are in a cone-shaped structure, and two ends of the first housing and the second housing are both at least two sections of breakable structures. In this technical scheme, the both ends of shell all set up to the toper structure, and at least respectively the two-section to these two sections all can be broken, break through external force after, can progressively increase the opening size of first open structure and the second open structure that first shell, second shell formed, thereby can make first open structure, second open structure adapt to the sleeve structure or the wire of different specification sizes.

Preferably, at least two sets of fixture block structures are arranged on the outer edge side of the first shell, and bayonet structures matched with the fixture block structures are arranged at corresponding positions of the second shell. In this technical scheme, through the cooperation of fixture block structure and bayonet socket structure, can realize the demountable installation between first shell and the second shell.

Preferably, the two sides of the feeding port along the axial direction of the shell are provided with drainage exhaust grooves. In this technical scheme, drainage exhaust groove can guide leakproofness material flow direction both ends when injecting the leakproofness material into casing 6, avoids the phenomenon that lacks the leakproofness material to appear at both ends, can guide the bubble to discharge to the pan feeding mouth simultaneously, avoids the bubble to seriously influence insulating effect.

Preferably, the lug and the sleeve structure are integrally formed, and the length of the connecting pipe is smaller than that of the sleeve structure. The length of the connecting pipe is smaller than that of the sleeve structure, so that the connecting pipe can be completely arranged in the sleeve structure.

Preferably, a sealing cover is arranged on the feeding port. In this technical scheme, the setting of closing cap can avoid through the pan feeding mouth to pour into the leakproofness material into the casing after, under the uncured condition of leakproofness material, the leakproofness material is emptyd through the pan feeding mouth and is leaked.

Compared with the prior art, the beneficial effects are:

(1) the aluminum conductor core is not directly pressed with the copper terminal, the aluminum conductor core is not directly contacted with the terminal head, and the connecting pipe is used for transition, so that the potential difference is reduced, and the risk of generating galvanic corrosion is reduced;

(2) the shell wraps the terminal head and the connecting pipe, and meanwhile, the sealing material is injected into the shell through the feeding port on the shell, so that the contact between the crimping position of the aluminum conductor core and the sleeve structure and the outside air can be avoided, the galvanic corrosion problem is fundamentally solved, and the long-term safe and reliable operation of the device can be ensured;

(3) the positioning device arranged in the cavity structure can ensure the stability of the terminal head and the lead in the position of the cavity structure;

(4) the two ends of the first shell and the second shell are at least two sections of breakable structures, and the arrangement of the breakable structures can enable the first opening structures and the second opening structures to adapt to sleeve structures or wires with different specifications.

Drawings

FIG. 1 is a cross-sectional view of the device connecting apparatus of the present invention;

FIG. 2 is a cross-sectional view of the housing of the present invention;

fig. 3 is an exploded view of the housing of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1 to 3, a high-strength corrosion-resistant anti-fracture device connecting device includes a terminal head 3 having a copper structure with a lug 1 at one end and a sleeve structure 2 at the other end, a connecting pipe 5 having an aluminum alloy structure and being sleeved on an aluminum conductor core 4, and a housing 6 having an insulating structure and being used for wrapping the terminal head 3 and the connecting pipe 5; the connecting pipe 5 is installed in the sleeve structure 2, a feeding port 7 for pouring a sealing material into the casing 6 is arranged on the casing 6, a first opening structure 8 for exposing the lug 1 out of the casing 6 is arranged at one end of the casing 6, and a second opening structure 9 for leading a lead 19 into the casing 6 is arranged at the other end of the casing 6. The terminal head 3 with a copper structure is used, so that the problem that the copper-aluminum connecting part of the copper-aluminum transition terminal is easy to break is solved; the aluminum conductor core 4 is arranged in the connecting pipe 5, the connecting pipe 5 is arranged in the sleeve structure 2 of the terminal head 3, and then the three are crimped to ensure that the terminal head 3 is crimped firmly; simultaneously, the aluminum conductor core 4 is not directly crimped with the copper terminal 3, the aluminum conductor core 4 is not directly contacted with the terminal head 3, and the connecting pipe 5 is used for transition, so that the potential difference is reduced, and the risk of galvanic corrosion is reduced. Casing 6 parcel terminal head 3 and connecting pipe 5, simultaneously through pan feeding mouth 7 on the casing 6 to 6 inside injection leakproofness materials of casing, can stop aluminium conductor core 4 and sleeve structure crimping position and external air contact, fundamentally has solved the galvanic corrosion problem, can ensure the long-term safe and reliable operation of device. The sealing material is preferably glue, and may be another sealing material.

The housing 6 comprises a first housing 61 and a second housing 62 which are detachably connected, and the first housing 61 and the second housing 62 form a cavity structure 10 for accommodating the terminal head 3 and the lead 19; the first opening structure 8 and the second opening structure 3 are formed by a first housing 61 and a second housing 62. The housing 6 can be wrapped around the terminal head 3 and the connection pipe 5 by detachably connecting the first housing 61 and the second housing 62.

In addition, at least two groups of positioning devices for fixing the terminal block 3 and the lead 9 are arranged in the cavity structure 10, the positions of the sleeve structure 2 and the lead 19 in the cavity structure 10 are unchanged by the positioning devices, and when the sealing material is injected into the cavity structure 10, the uniformity of the thickness of the injected sealing material can be ensured. It should be noted that the positioning means should be optimized such that the terminal head 3 and the wire 19 are located at the central axis position in the cavity structure 10.

The positioning device includes a fixing frame 11 protruding from the inner sides of the first casing 61 and the second casing 62, and two sets of positioning rings 12 respectively engaged with the fixing frame 11, wherein the two sets of positioning rings 12 have arc-shaped opening structures 13 on opposite sides. First shell 61 all is provided with mount 11 with second shell 62 inboard, and equal joint has holding ring 12 on two sets of mounts 11, through the setting of two sets of holding ring 12, can be with sleeve structure 2 or wire 19 joint between the arc opening structure 13 between two sets of holding ring 12. It should be noted that the positioning ring 12 is clamped with the fixing frame 11, so that the positioning ring 12 having the arc-shaped opening structure 13 with different sizes can be replaced conveniently according to the sleeve structures 2 and the wires 19 with different specifications.

In addition, an open slot structure 14 clamped on the outer side of the fixing frame 11 is arranged on the outer side of the positioning ring 12. The open slot structure 14 is arranged to allow the retaining ring 12 to engage with the outside of the holder 11.

The two ends of the first housing 61 and the second housing 62 are in a cone-shaped structure, and the two ends of the first housing 61 and the second housing 62 are both in at least two sections of breakable structures. The two ends of the housing 6 are both set to be conical structures, and are at least two sections respectively, and the two sections can be broken by external force, after being broken by external force, the opening sizes of the first opening structure 8 and the second opening structure 9 formed by the first housing 61 and the second housing 62 can be gradually increased, so that the first opening structure 8 and the second opening structure 9 can adapt to the sleeve structures 2 or the wires 19 with different specifications and sizes.

In addition, at least two sets of latch structures 15 are arranged on the outer edge side of the first housing 61, and a bayonet structure 16 matched with the latch structures 15 is arranged at a corresponding position of the second housing 62. The detachable installation between the first housing 61 and the second housing 62 can be realized through the cooperation of the latch structure 15 and the bayonet structure 16.

Wherein, the two sides of the feeding port 7 along the axial direction of the shell 6 are provided with drainage exhaust grooves 17. Drainage air discharge duct 17 can guide leakproofness material flow direction both ends when pouring into the leakproofness material into casing 6, avoids the phenomenon that the leakproofness material lacks to appear at both ends, can guide the bubble simultaneously to pan feeding mouth discharge, avoids the bubble to seriously influence insulating effect.

In addition, the lug 1 and the sleeve structure 2 are integrally formed, and the length of the connecting pipe 5 is smaller than that of the sleeve structure 2. The lug 1 is exposed outside the shell 6, so that the lug 1 can be connected with other devices. In addition, the length of the connection pipe 5 is smaller than that of the sleeve structure 2, so that the connection pipe 5 can be completely built in the sleeve structure 2.

Wherein, a sealing cover 18 is arranged on the feeding port 7. The sealing cover 18 is arranged to prevent the sealing material from pouring and leaking through the inlet 7 when the sealing material is not solidified after the sealing material is injected into the housing 6 through the inlet 7.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The high-strength corrosion-resistant anti-fracture equipment connecting device is characterized by comprising a terminal head (3) of a copper structure, a connecting pipe (5) of an aluminum alloy structure and a shell (6) of an insulating structure, wherein one end of the terminal head is provided with a wire lug (1), the other end of the terminal head is provided with a sleeve structure (2), the connecting pipe (5) is sleeved on an aluminum conductor core (4), and the shell is used for wrapping the terminal head (3) and the connecting pipe (5); the connecting pipe (5) is installed in the sleeve structure (2), a feeding port (7) for filling a sealing material into the shell (6) is arranged on the shell (6), one end of the shell (6) is provided with a lug (1) exposed out of a first opening structure (8) of the shell (6), and the other end of the shell (6) is provided with a second opening structure (9) for leading a lead (19) to enter the shell (6).

2. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 1, wherein: the shell (6) comprises a first shell (61) and a second shell (62) which are detachably connected, and the first shell (61) and the second shell (62) form a cavity structure (10) for accommodating the terminal head (3) and the lead (19); the first opening structure (8) and the second opening structure (9) are formed by the first housing (61) and the second housing (62).

3. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 2, wherein: at least two groups of positioning devices for fixing the terminal head (3) and the lead (19) are arranged in the cavity structure (10).

4. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 3, wherein: the positioning device comprises a fixing frame (11) which is respectively convexly arranged on the inner sides of a first shell (61) and a second shell (62) and two groups of positioning rings (12) which are respectively clamped with the fixing frame (11), and arc-shaped opening structures (13) are arranged on the opposite sides of the two groups of positioning rings (12).

5. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 4, wherein: an open slot structure (14) clamped at the outer side of the fixing frame (11) is arranged at the outer side of the positioning ring (12).

6. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 2, wherein: the two ends of the first shell (61) and the second shell (62) are in cone-shaped structures, and the two ends of the first shell (61) and the second shell (62) are both at least two sections of breakable structures.

7. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 2, wherein: the outer edge side of the first shell (61) is provided with at least two groups of fixture block structures (15), and the corresponding position of the second shell (62) is provided with a bayonet structure (16) matched with the fixture block structures (15).

8. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 1, wherein: and drainage exhaust grooves (17) are formed in the two sides of the feeding port (7) along the axial direction of the shell (6).

9. The high-strength corrosion-resistant anti-fracture equipment connecting device according to claim 1, wherein: the wire lug (1) and the sleeve structure (2) are integrally formed, and the length of the connecting pipe (5) is smaller than that of the sleeve structure (2).

10. A high-strength corrosion-resistant breakage-preventing equipment connecting device according to any one of claims 1 to 9, wherein: and a sealing cover (18) is arranged on the feeding port (7).