KR20130077533A - Apparatus for locking connector - Google Patents

Apparatus for locking connector Download PDF

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Publication number
KR20130077533A
KR20130077533A KR1020110146284A KR20110146284A KR20130077533A KR 20130077533 A KR20130077533 A KR 20130077533A KR 1020110146284 A KR1020110146284 A KR 1020110146284A KR 20110146284 A KR20110146284 A KR 20110146284A KR 20130077533 A KR20130077533 A KR 20130077533A
Authority
KR
South Korea
Prior art keywords
connection
locking
bushing
connecting member
fixing device
Prior art date
Application number
KR1020110146284A
Other languages
Korean (ko)
Inventor
현수 장
Original Assignee
한국전력공사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국전력공사 filed Critical 한국전력공사
Priority to KR1020110146284A priority Critical patent/KR20130077533A/en
Publication of KR20130077533A publication Critical patent/KR20130077533A/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
    • H01R24/545—Elbows
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/007—Devices for relieving mechanical stress
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/921—Transformer bushing type or high voltage underground connector

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  • Cable Accessories (AREA)

Abstract

The connection member fixing device according to the present invention, the bushing installation portion provided to be installed in the extra-high pressure bushing and the anti-loosening type connection member consisting of a multi-coupled structure to prevent the loosening of the connection member is installed but the connection member is installed in the bushing installation portion According to the present invention, when the elbow connecting member connected to the ground high voltage bushing and the ground cable is connected to the ground equipment, in particular, the ground transformer, the loosening phenomenon or the separation between the bushing and the elbow connecting member due to cable vibration, etc. By preventing the occurrence of the ultimately there is an effect to prevent the damage of the ground equipment such as ground switchgear or ground transformer.

Description

Connecting material fixing device {APPARATUS FOR LOCKING CONNECTOR}

The present invention relates to a connecting member fixing device, and more particularly, to a connecting member fixing device used when connecting an elbow connecting member connected to a special high pressure bushing and an underground cable installed in a ground machine, in particular a ground transformer.

At present, the extra high voltage bushing and the extra high voltage underground cable connection of the ground transformer and the ground breaker are generally connected by using elbow connection material.

In the case of a ground switch (eg, a dead brake type ground switch), the extra high pressure bushing and the elbow connection member are screwed using a spanner or wrench, so that loosening occurs relatively less.

On the other hand, in the case of the ground transformer, referring to Figure 1, the connection of the extra-high pressure bushing (3 ') and the elbow connecting member (2') is simply a probe (20 ') to the bushing (3') using an insulating stick rather than tightening the screw. It is done by plugging in.

However, in the case of such a ground transformer, there is a problem in that loosening or separation occurs between the bushing and the elbow connecting material due to cable vibration, because there is no separate fixing device or locking device.

In addition, when such an unwinding or spacing lasts for a long time, insulation breakdown, short circuit, and power loss occur due to deterioration of the probe and elbow connection material, which eventually leads to burnout failure of the ground transformer.

The present invention has been proposed in order to solve the above problems, the object of the present invention is that, when the elbow connection material connected to the ground cable, especially the ground transformer is connected to the special high pressure bushing and underground cable, the bushing and the elbow It is to provide a connection member fixing device that can prevent the occurrence of loosening phenomenon or separation between the connection member and ultimately prevent damage of the ground equipment such as ground switchgear or ground transformer.

As a technical aspect for achieving the above object, the present invention is coupled to the bushing installation portion and the bushing installation portion provided to be installed in a special high pressure bushing, but the connection member is mounted, to prevent loosening of the connection member mounted multiple Provided is a connecting member fixing device including an anti-loosening connection fixing means configured in a coupling structure.

Preferably, the release preventing connection fixing means, the connecting member engaging portion configured to be in contact with at least one point of the connecting member to prevent the detachment of the connecting member, coupled to the connecting member engaging portion, the connecting member and the connecting member locking portion And an anti-lock release portion provided to prevent separation.

More preferably, the connection member locking portion includes a cylindrical body through which the connection member is installed, and at least one locking member provided on the body to rotate inwardly to engage the connection member.

More preferably, the locking member is formed in a bent shape, one end is hinged to the locking member to be rotatable to the body, the other end is protruded from the inner circumferential surface of the body when the locking member is rotated in the inner direction The connecting material is caught.

More preferably, the release preventing portion, the body is inserted and coupled to block the outward rotation of the locking member, thereby preventing the connection member from being released from the connection member locking portion.

More preferably, the coupling member engaging portion and the bushing installation portion and the coupling member locking portion and the engagement preventing portion is formed in the form of bolt nut fastening.

According to the connecting member fixing device according to the present invention, when the elbow connecting member connected to the ground high voltage, especially the ground transformer and the special high pressure bushing is connected to the ground cable, the loosening or separation between the bushing and the elbow connecting member according to the cable vibration, etc. There is an effect that can prevent the occurrence.

Accordingly, the present invention effectively prevents insulation breakdown, short circuit, and power loss caused by deterioration of the probe and elbow connecting material, which occur when the loosening or separation is prolonged for a long time, and ultimately damages ground equipment such as ground breakers or ground transformers. There is an excellent effect to prevent.

1 is a state diagram in which the connection member according to the prior art is installed in the bushing
2 is a coupling diagram of the connecting member fixing device according to the present invention
Figure 3 is an exploded view of the connector fixing device according to the invention
4 is a state diagram in which the connecting member is installed in the bushing using the connecting member fixing device according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the connection member fixing device according to the present invention.

Figure 2 shows a state in which the components of the connecting member fixing device 1 according to the present invention is coupled, Figure 3 shows an exploded view of the connecting member fixing device 1 according to the present invention, Figure 4 is a connecting member according to the present invention The connection material 2 is shown in the bushing 3 using the fixing device 1.

First, referring to FIGS. 2 to 4, the connecting member fixing device 1 according to the present invention may basically include a bushing installation unit 10 and an anti-loosening connection fixing unit 20.

Specifically, the bushing installation portion 10 is provided to be installed in the extra-high pressure bushing (3). The bushing installation portion 10 is formed in the annular portion 12 which is in contact with the circumference of the bushing when installed in the bushing 3 and the coupling portion extending from the inner circumference of the annular portion to the opposite side of the bushing to engage with the anti-loosening connection fixing means 20. 14.

At this time, the bushing installation portion 10 is fixed to the bushing by using a fastening means already provided around the bushing 3 through a hole 16 formed in the annular portion 12, for example, a bolt nut or a screw. Can be installed.

In addition, the anti-loosening connection repositioning means 20 is a component to which the connecting member 2 is mounted while being coupled to the bushing installation unit 10, and preferably is composed of a multiple coupling structure to prevent loosening of the mounted connecting member.

As described in the background art, the connection member according to the related art has a problem in that, in the case of the ground transformer, the probe of the connection member is simply inserted into the bushing without a separate fixing device, and the connection member is easily released or separated from the bushing.

Therefore, in the present invention, a device for fixing the connecting member 2 to the bushing 3 is separately provided, and more specifically, the bushing mounting unit 10 is fixedly installed on the bushing 3 and the loosening member 2 is mounted. The coupling member 2 is fixed to the bushing 3 by coupling the preventive connection re-fixing means 20 to the bushing mounting portion 10.

As such, as the connecting member 2 is firmly fixed to the bushing 3 via the connecting member fixing device 1 according to the present invention, the connecting member is easily released or separated from the bushing, and thus problems such as ground transformer breakage. Can be solved.

Here, the multi-coupling structure is primarily prevented from loosening by the connecting member catching portion 100, which is one component of the connection preventing member fixing means 20, the anti-locking connection member 2 by the release preventing prevention portion 200 of the other configuration Secondly, the bonding structure is prevented from loosening.

Multiple coupling structures of the connection re-locking portion 100 and the release preventing prevention portion 200 will be described in detail below. In addition, the multi-coupled structure may be meant to include a combination of the anti-loosening connection fixing means 20 and the bushing installation portion 10.

Specifically, referring to FIGS. 2 to 4, the release preventing connection re-fixing means 20 may include a connection re-locking part 100 and a release preventing prevention part 200.

First, the connecting member catching part 100 may be configured to contact at least one point of the connecting member 2 to prevent the connecting member from being separated.

In addition, the release preventing prevention part 200 may be provided to prevent the separation of the connection member 2 and the connection member engaging portion is coupled to the connection member engaging portion 100.

That is, the connection member 2 mounted on the release preventing connection repositioning means 20 is prevented from being separated primarily by the contact with the connection member catching part 100. In addition, the release preventing unit 200 is coupled to the connecting member locking unit 100 to maintain the contact to strengthen the separation prevention.

On the contrary, the locking release prevention part 200 is separated from the connecting member catching part 100, and thus the connecting member 2 becomes non-contact with the connecting member locking part 100, thereby preventing the connecting member 2 from being loosened. It can be separated from the means 20.

First, referring to FIGS. 2 to 4, the connection member locking unit 100 includes a cylindrical body 110 through which the connection member 2 is installed, and at least one locking member 120 provided to be rotatable on the body. It may include.

Here, the body 110 may be provided in various forms other than a cylindrical shape so that the connection material can be installed through the shape of the connection material (2).

And, when explaining the operation of the locking member 120, when the locking member is rotated in the inner direction of the body 110 to contact the connecting member 2, for example, the connecting member is caught according to the shape of the locking member 120. When caught by the member, the detachment of the connecting member can be prevented.

On the contrary, when the locking member 120 rotates in the outward direction of the body 110 to come into non-contact with the connecting member 2, for example, when the locking is released, the connecting member can be separated from the loosening prevention resetting member 20. Can be.

The locking member 120, as shown in Figures 2 to 4, may be formed in a bent form. However, of course, the locking member 120 is not limited to the illustrated form.

Referring to the drawings, one end portion 122 of the locking member 120 is hinged to the body 110 so as to be rotatable, and the other end 124 is the locking member 120 around the hinge coupling shaft body 110 When rotating in the inner direction of the protruding from the inner circumferential surface of the body 110 may be configured to take the connecting member (2).

Specifically, the connecting member 2 shown in FIG. 4 shows a connecting member which is generally used, and the stepped portion 2a is formed at a portion where the circumference becomes small.

The connecting member 2 penetrates the body 110, and the locking member 120 rotates inward, so that the other end 124 of the locking member 120 receives the step 2a of the connecting member 2. The connection member can be prevented from coming off to the outside or to the right in the drawing.

However, as described above, when the locking member 120 rotates in the outward direction, the connection member 2 may be separated.

Therefore, it is preferable that a means for blocking or suppressing the locking member 120 from rotating in the outward direction is provided so that the detachment of the connecting member 2 does not occur when it is not desired.

For example, although not shown, a torsion spring may be provided at the hinge coupling of one end portion 122 of the locking member 120. As a result, the locking member 120 is prevented from rotating in the outward direction of the body 110, thereby preventing the detachment of the connecting member 2 to some extent.

In the present invention, as shown in Figures 2 to 4, by using the locking release prevention portion 200 is inserted into the body 110, it is possible to block the outward rotation of the locking member 120.

This not only suppresses the outward rotation but also completely prevents the rotation unless it is broken, thereby preventing the connecting member 2 from being released from the connecting member engaging portion 100 when it is not desired.

Specifically, in order to be extrapolated to the body 110, the release preventing portion 200 may be formed such that its inner surface is in contact with the outer surface of the body or very slightly spaced apart.

As shown, when the body 110 is formed in a cylindrical shape, the locking release prevention part 200 is also formed in a cylindrical shape, the inner circumferential surface thereof is formed to contact the outer circumferential surface of the body 110 or very slightly spaced apart.

The release preventing prevention part 200 is extrapolated to include the engaging member 120 in the connecting member engaging portion 100 is mounted with the connecting member (2). Accordingly, the inner circumferential surface of the locking release preventing unit 200 supports the radial outer surface of the locking member 120 to block the rotation of the locking member in the outward direction.

Therefore, the rotation of the outward rotation of the locking member 120 can be prevented, so that the connecting member 2 can be prevented from being released from the connecting member engaging portion 100 when it is not desired.

Although not shown in detail, the torsion spring together with the release preventing prevention part 200 may be additionally provided to the hinge coupling of the locking member 120.

Next, the connection re-locking portion 100 or the release preventing prevention portion 200 may be coupled to the bushing installation portion (10). The present invention is a case in which the connecting member engaging portion 100 is coupled to the bushing installation portion 10 as shown in FIGS.

On the other hand, the coupling member locking portion 100 or the locking release preventing portion 200 and the bushing installation portion 10 is coupled and the coupling member locking portion 100 and the locking release prevention portion 200 is a bolt nut or screw fastening form It may be made of.

That is, the bushing installation portion 10, the connection member locking portion 100 and the locking release prevention portion 200 may be coupled in the form of bolt nut or screw fastening. Of course, the fastening form is not limited thereto.

Referring to the drawings, the hooking portion 100, specifically, the male screw portion 112 formed on the outer circumferential surface of the body 110 and the female screw portion 202 formed on the inner circumferential surface of the release preventing prevention portion 200 are fastened.

In addition, the connecting member engaging portion 100, specifically, the female threaded portion 114 and the bushing mounting portion 10 formed on the inner circumferential surface of the bushing side end portion of the body 110, specifically the male threaded portion formed on the outer circumferential surface of the coupling portion 14 ( 14a) is fastened. At this time, the female thread portion 114 of the connecting member engaging portion 100 and the male thread portion 14a of the bushing installation portion 10 may be formed interchangeably.

Bolt-nut fastening between these components can be easily made by the operator's hand.

The method of fixing the connecting member 2 using the connecting member fixing device 1 according to the present invention is as follows.

First, the bushing installation part 10 is fixedly installed in the bushing 3. For example, referring to FIG. 4, the nut 300 holding the bushing 3 is loosened, and the bushing mounting portion 10 is inserted into the bolt 302 through the hole 16 formed therein, and the nut is tightened again. .

Then, the connecting member passes through the body 110 of the connecting member catching portion 100 toward the bushing side such that the step 2a of the connecting member 2 is caught by the other end portion 124 of the locking member 120.

In this state, the locking release locking portion 200 is extrapolated to the connecting member locking portion 100 while being rotated so as to be bolted to each other, thereby preventing the connecting member 2 from being separated from the loosening prevention connection fixing means 20.

Finally, the bushing side end portion of the connecting member catching part 100 is rotated while extrapolating to the bushing installing part 10 so that the release preventing connection fixing means 20 is bolted to the bushing installing part 10. As a result, the connecting member 2 is firmly fixed while being connected to the bushing 3.

Here, the installation of the bushing installation portion 10 may be made after the anti-pooling connection fixing means 20 is provided on the connecting member (2).

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be variously modified and varied without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 ... connector fixing device 10 ... bushing mounting part
12 ... annular part 14 ... engaging part
14a ... Joint Male thread 16 ... Hole
20 ... loosening prevention reconnection means 100 ... reconnection
110 ... body 112 ... body male thread
114 ... body female thread 120 ... engaging member
122 ... one end of the locking member 124 ... the other end of the locking member
200 ... release latch 202 ... release prevention female thread

Claims (6)

Bushing installation unit 10 provided to be installed in the extra-high pressure bushing; And
The coupling member is coupled to the bushing installation portion 10, the anti-loosening connection fixing means 20 is composed of a multi-coupled structure to prevent the loosening of the mounted connection member;
Connection material fixing device configured to include.
The method of claim 1,
The loosening prevention connection fixing means 20,
A connecting member catching part 100 configured to contact at least one point of the connecting member to prevent separation of the connecting member;
Coupled to the connection member engaging portion 100 is connected member fixing device, characterized in that it comprises a locking release prevention portion (200) provided to prevent separation of the connection member and the connection member locking portion.
The method of claim 2,
The connection re-locking part 100,
A cylindrical body 110 through which the connection member is installed;
The body member 110, the connecting member fixing device, characterized in that it comprises at least one locking member 120 which is provided to rotate the inward direction to hold the connecting member.
The method of claim 3,
The locking member 120 is formed in a bending form,
One end of the locking member 120 is hinged to the body 110 to be rotatable, the other end is protruded from the inner circumferential surface of the body 110 when the locking member 120 is rotated in the inner direction is caught the connection material Connection material fixing device, characterized in that.
The method of claim 3,
The locking release prevention part 200 is inserted into and coupled to the body 110 to block the outward rotation of the locking member 120 to prevent the connection member from being released from the connection member locking part 100. Connection material fixing device, characterized in that.
6. The method according to any one of claims 2 to 5,
The coupling member holding device 100 and the coupling of the bushing installation unit 10 and the coupling member locking unit 100 and the locking release preventing unit 200 is coupled to the connection member fixing device, characterized in that the bolt nut fastening form .
KR1020110146284A 2011-12-29 2011-12-29 Apparatus for locking connector KR20130077533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110146284A KR20130077533A (en) 2011-12-29 2011-12-29 Apparatus for locking connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110146284A KR20130077533A (en) 2011-12-29 2011-12-29 Apparatus for locking connector

Publications (1)

Publication Number Publication Date
KR20130077533A true KR20130077533A (en) 2013-07-09

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ID=48990755

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110146284A KR20130077533A (en) 2011-12-29 2011-12-29 Apparatus for locking connector

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Country Link
KR (1) KR20130077533A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200055194A (en) * 2018-11-12 2020-05-21 한국전력공사 Fixing device for elbow connection of transformer
KR20210141226A (en) * 2020-05-15 2021-11-23 한국전력공사 Fuse for cut out switch
KR102363358B1 (en) * 2021-11-18 2022-02-15 주식회사 피렌티 Connector loosening prevention system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200055194A (en) * 2018-11-12 2020-05-21 한국전력공사 Fixing device for elbow connection of transformer
KR20210141226A (en) * 2020-05-15 2021-11-23 한국전력공사 Fuse for cut out switch
KR102363358B1 (en) * 2021-11-18 2022-02-15 주식회사 피렌티 Connector loosening prevention system

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