CN113933546B

CN113933546B - Connecting device

Info

Publication number: CN113933546B
Application number: CN202111180884.XA
Authority: CN
Inventors: 叶爱华; 林玉煌; 李柱太; 陈早; 郑志辉; 郑小鹏; 邓巍; 邓晓衡; 胡梓强; 许颖; 向宏俊; 李颂阳; 李阳威; 孙尚驰; 刘璐瑶; 罗寿红; 古金盛; 刘配配
Original assignee: Guangdong Power Grid Co Ltd; Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2023-04-25
Anticipated expiration: 2041-10-11
Also published as: CN113933546A

Abstract

The invention relates to the technical field of connecting devices, and particularly discloses a connecting device which is used for fixing a to-be-connected piece on a working head of an insulating rod, wherein the working head comprises a vertical first rod and a second rod fixedly connected with the first rod along the horizontal direction; the working head stretches into the fixed cabin, the second rod penetrates through the fixed hole, the first limiting pin penetrates through the shell, and the first limiting pin is abutted with the first rod and enables the first rod to be abutted with the side wall provided with the fixed hole; one end of the quick connector is detachably connected with the to-be-connected piece, and the other end of the quick connector is detachably connected with the plug-in column. The device has solved connection structure and only is applicable to last first insulator spindle, and the adaptation scope is little, uses inconvenient problem.

Description

Connecting device

Technical Field

The invention relates to the technical field of connecting devices, in particular to a connecting device.

Background

In the power distribution maintenance operation or switching operation, after the line sectionalizing switch is disconnected, the load side isolation knife must be checked for electricity one by one, and after no electricity is confirmed, the load side isolation knife can be pulled open. The operation sequence can avoid the on-load disconnecting link. However, in the actual operation process, because the on-column switch, the isolation disconnecting link and the like are arranged on the tower, the telescopic electroscope is required to touch the relevant equipment on the tower for electroscope.

The traditional electroscope is difficult to meet the requirement that a worker performs electricity inspection on equipment on a tower on the ground, and the worker climbs the tower to shorten the distance from the equipment on the tower, so that the possibility of electric shock is easily caused, and the problems of physical consumption of operators, low working efficiency and the like are solved. In order to solve the problems, the electroscope and the insulating rod can be connected together, so that the electroscope can be carried out on the ground.

Earlier patent application number CN200520079354.6 discloses a connecting device of connecting electroscope and insulator spindle, and connecting device's connector one end is equipped with the interface of connecting the electroscope, and the other end is equipped with the slot of connecting the insulator spindle. Electroscope passes through connecting device and insulator spindle composite connection, and current mainstream insulator spindle falls into three kinds, is first insulator spindle, U-shaped insulator spindle and universal head insulator spindle of going up respectively, but this connection structure only is applicable to first insulator spindle of going up, and the adaptation scope is little, uses inconveniently. Therefore, the connecting device is continued, and the electroscope can be quickly installed on the upper character head insulating rod, the U-shaped insulating rod and the universal head insulating rod.

Disclosure of Invention

The invention aims at: the connecting device is provided to solve the problems that a connecting structure in the related art is only suitable for an upper character head insulating rod, the adapting range is small and the use is inconvenient.

In one aspect, the present invention provides a connection device for fixing a work head of an insulating rod with a member to be connected, the work head including a first rod vertically and a second rod fixedly connected with the first rod in a horizontal direction, the connection device comprising:

the connecting shell comprises a shell body and a plug-in column arranged on the shell body, the shell body is provided with a fixed cabin and an opening allowing the working head to extend into the fixed cabin, the axis of the plug-in column is parallel to the axis of the first rod, and the shell body is provided with a fixed hole;

the first limiting pin is abutted with the first rod and enables the first rod to be abutted with the side wall provided with the fixing hole;

the quick connector is characterized by comprising a quick connector, wherein one end of the quick connector is detachably connected with the to-be-connected piece, and the other end of the quick connector is detachably connected with the plug-in column.

As a preferred technical scheme of the connecting device, the fixing holes comprise first fixing holes and second fixing holes, and the first fixing holes and the second fixing holes are arranged at intervals along the vertical direction.

As the preferred technical scheme of connecting device, the second fixed orifices is the calabash hole along vertical direction, connecting device still includes the second spacer pin, the second spacer pin wears to locate the casing, and will the second fixed orifices is cut apart into two through-holes.

As the preferable technical scheme of the connecting device, the second limiting pin is a steel ball quick-release pin.

As a preferred technical scheme of the connecting device, a limiting groove is formed in the surface, opposite to the first rod, of the shell.

As the preferred technical scheme of connecting device, the grafting post is provided with first locating part, quick-operation joint is provided with the second locating part, first locating part with the second locating part joint is in order to restrict quick-operation joint slides along the axis of grafting post.

As a preferred technical scheme of the connecting device, the quick connector is provided with a plug hole;

the first limiting parts are grooves formed in the peripheral wall of the plug-in column at intervals along the circumferential direction of the plug-in column, the second limiting parts are bosses formed in the peripheral wall of the plug-in hole at intervals along the circumferential direction of the peripheral wall of the plug-in hole, and the bosses are clamped with the grooves when the plug-in column is inserted into the plug-in hole.

As a preferred solution of the connecting device, the quick connector is made of rubber material.

As the preferable technical scheme of the connecting device, the first limiting pin is a steel ball quick-release pin.

As a preferred embodiment of the connection device, the connection housing is made of an insulating material.

The beneficial effects of the invention are as follows:

the invention provides a connecting device, which is used for fixing a to-be-connected piece on a working head of an insulating rod, wherein the working head comprises a vertical first rod and a second rod fixedly connected with the first rod along the horizontal direction; the working head of the insulating rod stretches into the fixed cabin, the second rod penetrates through the fixed hole, and the working head can be limited to slide along the vertical direction relative to the connecting shell; the first limiting pin penetrates through the shell, the first limiting pin is abutted with one side, far away from the fixing hole, of the first rod, and the first rod is abutted with the side wall provided with the fixing hole, the second rod is prevented from sliding out of the fixing hole through the arrangement, and on the other hand, the first limiting pin and the shell clamp the first rod to limit the working head to slide along the horizontal direction relative to the connecting shell; in conclusion, the shell is fixedly connected with the working head through the first limiting pin. The working joints of the different types of insulating rods are provided with the first rods and the second rods which are perpendicular to each other, so that the connecting device can be used as a connecting device for connecting the different types of insulating rods with a to-be-connected piece. The device has solved connection structure and only is applicable to single kind insulator spindle, and adaptation scope is little, uses inconvenient problem.

Drawings

FIG. 1 is a schematic diagram of a structure of a to-be-connected member connected with an insulating rod according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a connecting member according to an embodiment of the present invention;

FIG. 3 is a second schematic structural view of a connecting member according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a structure of a connecting head of a connecting piece according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a connecting head of a connecting member according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a structure of a U-shaped working head connected with a to-be-connected piece according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a to-be-connected member connected U-shaped working head according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a structure of a to-be-connected member connected with a universal working head according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a joint to be joined to a gimbaled working head according to an embodiment of the present invention.

In the figure:

100. a first lever; 200. a second lever; 300. a member to be connected;

1. a connection housing; 11. a housing; 111. a fixing hole; 1111. a first fixing hole; 1112. a second fixing hole; 112. a fixed cabin; 12. a plug-in column; 121. a boss; 13. a limit groove;

2. a first limit pin;

3. a second limiting pin; 4. a quick connector.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The traditional electroscope is difficult to meet the requirement that a worker performs electricity inspection on equipment on a tower on the ground, and the worker climbs the tower to shorten the distance from the equipment on the tower, so that the possibility of electric shock is easily caused, and the problems of physical consumption of operators, low working efficiency and the like are solved. In order to solve the problems, the electroscope and the insulating rod can be connected together, so that the electroscope can be carried out on the ground. Currently, the main current absolute rod working heads are mainly divided into three types, i.e., a vertical first rod 100, a U-shaped working head and a universal working head, which each include a vertical second rod 200 fixedly connected with the first rod 100 in a horizontal direction, and thus, the connection device fixedly connects the connection device with the insulating rod by limiting the positions of the first rod 100 and the second rod 200 relative to the connection device.

As shown in fig. 1 to 3, the present embodiment provides a connection device for fixing a to-be-connected member 300 to a working head of an insulating rod, the connection device includes a connection housing 1, a first limiting pin 2 and a quick connector 4, the connection housing 1 includes a housing 11 and a plug post 12, the outer wall of the housing 11 is provided with the plug post 12, and two ends of the quick connector 4 are detachably connected with the plug post 12 and the to-be-connected member 300 respectively to fixedly connect the to-be-connected member 300 with the housing 11; the working head of the insulating rod extends into the fixed cabin 112, the second rod 200 is arranged through the fixed hole 111, and the working head can be limited to slide relative to the connecting shell 1 along the vertical direction; the first limiting pin 2 is arranged in the shell 11 in a penetrating way, the first limiting pin 2 is in contact with one side, far away from the fixing hole 111, of the first rod 100, and the first rod 100 is in contact with the side wall provided with the fixing hole 111, on one hand, the second rod 200 is prevented from sliding out of the fixing hole 111, and on the other hand, the first limiting pin 2 and the shell 11 clamp the first rod 100 to limit the sliding of the working head relative to the connecting shell 1 along the horizontal direction; in combination, the housing 11 is fixedly connected to the working head by means of a first stop pin 2. Since the working joints of the different kinds of insulating rods are provided with the first rod 100 and the second rod 200 perpendicular to each other, the connection device can be used as a connection device for connecting the different kinds of insulating rods with the to-be-connected member 300. The device has solved connection structure and only is applicable to single kind insulator spindle, and adaptation scope is little, uses inconvenient problem.

Specifically, in the present embodiment, the to-be-connected member 300 is an electroscope. The quick connector and the electroscope are fixed through screw connection, and in other embodiments, the quick connector and the electroscope can be fixed through clamping connection and the like.

Alternatively, the fixing holes 111 include first and second fixing

holes

1111 and 1112, and the first and second fixing

holes

1111 and 1112 are disposed at intervals in the vertical direction. In this embodiment, since the relative connection positions of the second rod 200 and the first rod 100 of different kinds of working heads are different, the second rod 200 is selectively inserted into one of the first fixing hole 1111 and the second fixing hole 1112 according to different kinds of working heads, and this arrangement can enhance the application range of the connection device.

Optionally, the second fixing hole 1112 is a hoist hole along a vertical direction, the connecting device further includes a second limiting pin 3, and the second limiting pin 3 is disposed through the housing 11 and divides the second fixing hole 1112 into two through holes. In this embodiment, the second fixing hole 1112 is a gourd hole, the second limiting pin 3 is penetrated into the housing 11, and the second limiting pin 3 can divide the second fixing hole 1112 into two through holes, so the second rod 200 can be selectively penetrated into one of the through holes, which further expands the application range of the connecting device. Specifically, the second fixing hole 1112 is a gourd hole, so the diameter of the through hole near the first fixing hole 1111 is smaller than the diameter of the through hole far from the first fixing hole 1111, and when the second rod 200 is inserted into the through hole far from the first fixing hole 1111, if the diameter of the second rod 200 is larger than the diameter of the through hole near the first fixing hole 1111, the second limiting pin 3 does not need to be inserted into the housing 11.

Optionally, the plug-in post 12 is provided with a first limiting member, the quick connector 4 is provided with a second limiting member, and the first limiting member and the second limiting member are clamped so as to limit the quick connector 4 to slide along the axis of the plug-in post 12. Specifically, the quick connector 4 is provided with a plug hole; the first limiting piece is a groove which is arranged on the peripheral wall of the plug-in post 12 along the circumferential interval of the plug-in post 12, the second limiting piece is a boss which is arranged on the peripheral wall of the plug-in hole along the circumferential interval of the peripheral wall of the plug-in hole, and the boss is clamped with the groove when the plug-in post 12 is inserted into the plug-in hole. In other embodiments, a boss may be disposed on the peripheral wall of the plug post 12 or the plug hole, and when the plug post 12 is inserted into the plug hole, the boss abuts against the plug post 12 or the plug hole.

Alternatively, the quick connector 4 is made of a rubber material. In this embodiment, the quick connector 4 is made of rubber material, the aperture of the plugging hole is smaller than the diameter of the plugging column 12, and after the plugging column 12 is inserted into the plugging hole, the plugging column 12 is in interference fit with the quick connector 4.

Optionally, the first limiting pin 2 and the second limiting pin 3 are steel ball quick-release pins. In this embodiment, the steel ball quick release pin is used to facilitate quick assembly and disassembly, and because the steel ball quick release pin is in the prior art, the details are not repeated here.

Alternatively, the connection housing 1 is made of an insulating material. The connection housing 1 in this embodiment is made of an insulating material to prevent the risk of electric shock during the electricity test.

As shown in fig. 4 to 5, for the upper working head and the connecting means, the opposite surface of the housing 11 to the first lever 100 is provided with a limit groove 13. The second rod 200 is inserted through the through hole far away from the first fixing hole 1111, the free end of the first rod 100 is opposite to the limiting groove 13, the force for the first rod 100 to extend into the limiting groove 13 is given to the free end of the first rod 100 along the vertical direction, the free end of the first rod 100 extends into the limiting groove 13, the second rod 200 is located in the through hole close to the first fixing hole 1111, the second limiting pin 3 is inserted into the shell 11, the second rod 200 is fixed in the through hole close to the first fixing hole 1111, the first rod 100 is abutted to the side wall provided with the first fixing hole 1111, the first limiting pin 2 is finally inserted into the shell 11, and the relative positions of the working head and the shell 11 are fixed.

As shown in fig. 6-7, in the U-shaped working head and connecting device, the second rod 200 is inserted into the first fixing hole 1111, the first limiting pin 2 is inserted into the housing 11, and the first rod 100 abuts against the side wall of the housing 11 provided with the first fixing hole 1111, in this embodiment, after the second limiting pin 3 is inserted into the housing 11, the second limiting pin 3 and the first limiting pin 2 clamp the first rod 100 together, and at this time, the relative positions of the working head and the housing 11 are fixed. In other embodiments, the second rod 200 may be selectively inserted into one of the two through holes, and the first limiting pin 2 is inserted into the housing 11 and abuts the first rod 100 against a sidewall of the housing 11 provided with the first fixing hole 1111, so that the relative positions of the working head and the housing 11 are fixed.

As shown in fig. 8 to 9, for the universal head and the connection device, the second rod 200 is inserted into the through hole far from the first fixing hole 1111, the second rod 200 is always positioned in the through hole far from the first fixing hole 1111 by the second limiting pin 3, and if the diameter of the second rod 200 is larger than that of the through hole near the first fixing hole 1111, the second limiting pin 3 does not need to be inserted into the housing 11. The first stopper pin 2 is inserted into the housing 11 and abuts the first lever 100 against the side wall of the housing 11 provided with the first fixing hole 1111, so that the relative positions of the working head and the housing 11 are fixed. In other embodiments, the second lever 200 is selectively inserted into one of the first fixing hole 1111 and the through hole near the first fixing hole 1111, the first stopper pin 2 is inserted into the housing 11 and the first lever 100 is abutted against the sidewall of the housing 11 provided with the first fixing hole 1111, so that the relative positions of the working head and the housing 11 are fixed.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. A connection device for fixing a piece (300) to be connected to a working head of an insulating rod, the working head comprising a first vertical rod (100) and a second rod (200) fixedly connected to the first rod (100) in a horizontal direction, characterized in that it comprises:

a connection housing (1), the connection housing (1) comprising a housing (11) and a plug-in post (12) arranged on the housing (11), the housing (11) being provided with a fixing compartment (112) and an opening allowing the working head to extend into the fixing compartment (112), the axis of the plug-in post (12) being parallel to the axis of the first rod (100), the housing (11) being provided with a fixing hole (111);

the first limiting pin (2) stretches into the fixing cabin (112), the second rod (200) penetrates through the fixing hole (111), the first limiting pin (2) penetrates through the shell (11), and the first limiting pin (2) is in butt joint with the first rod (100) and enables the first rod (100) to be in butt joint with the side wall provided with the fixing hole (111);

the quick connector (4) is detachably connected with the to-be-connected piece (300) at one end and the plug-in column (12) at the other end;

the fixing holes (111) comprise first fixing holes (1111) and second fixing holes (1112), the first fixing holes (1111) and the second fixing holes (1112) are arranged at intervals along the vertical direction, the second fixing holes (1112) are gourd holes along the vertical direction, the connecting device further comprises second limiting pins (3), the second limiting pins (3) penetrate through the shell (11), and the second fixing holes (1112) are divided into two through holes.

2. The connecting device according to claim 1, characterized in that the second stop pin (3) is a steel ball quick release pin.

3. The connection device according to claim 1, characterized in that the face of the housing (11) opposite the first lever (100) is provided with a limit groove (13).

4. The connection device according to claim 1, characterized in that the plug-in post (12) is provided with a first limit piece, the quick connector (4) is provided with a second limit piece, and the first limit piece and the second limit piece are clamped to limit the quick connector (4) to slide along the axis of the plug-in post (12).

5. The connection device according to claim 4, characterized in that the quick connector (4) is provided with a plug hole;

the first limiting parts are grooves formed in the peripheral wall of the plug-in column (12) at intervals along the circumferential direction of the plug-in column (12), the second limiting parts are bosses formed in the peripheral wall of the plug-in hole at intervals along the circumferential direction of the peripheral wall of the plug-in hole, and the bosses are clamped with the grooves when the plug-in column (12) is inserted into the plug-in hole.

6. A connection device according to any one of claims 1-5, characterized in that the quick connector (4) is made of a rubber material.

7. The connection device according to any one of claims 1 to 5, characterized in that the first stop pin (2) is a steel ball quick release pin.

8. The connection device according to any one of claims 1-5, characterized in that the connection housing (1) is made of an insulating material.