CN113933546A

CN113933546A - Connecting device

Info

Publication number: CN113933546A
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: 2022-01-14
Anticipated expiration: 2041-10-11
Also published as: CN113933546B

Abstract

The invention relates to the technical field of connecting devices, and specifically discloses a connecting device, which is used for fixing a to-be-connected piece to a working head of an insulating rod. The working head comprises a vertical first rod and is fixedly connected with the first rod in a horizontal direction. The second rod, the connecting device includes a connecting shell, a first limit pin and a quick connector, the connecting shell includes a shell and a plug column arranged on the shell, the shell is provided with a fixing compartment, and allows the working head to extend into the fixed The opening of the cabin, the axis of the insertion column is parallel to the axis of the first rod, the casing is provided with a fixing hole; the working head extends into the fixing cabin, the second rod is penetrated through the fixing hole, and the first limit pin is penetrated through the fixing hole. The casing, the first limit pin is in contact with the first rod and the first rod is in contact with the side wall provided with the fixing hole; one end of the quick connector is detachably connected with the to-be-connected piece, and the other end is detachably connected with the plug-in column . The device solves the problems that the connection structure is only suitable for the upper prefix insulating rod, the adaptation range is small, and the use is inconvenient.

Description

Connecting device

Technical Field

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

Background

In the distribution maintenance operation or the switching operation, after the line section switch is disconnected, the load side isolation knife must be separated from each other to test electricity, and after the electricity is confirmed to be free, the load side isolation knife can be pulled open. Such a sequence of operations avoids pulling the knife switch under load. However, in the actual operation process, as the pole-mounted switch, the isolation switch and the like are all arranged on the pole tower, the telescopic electroscope pen needs to be used for testing electricity by touching the relevant equipment on the pole tower.

The work that traditional test pencil is difficult to satisfy the staff and tests electricity at the equipment of ground on to the pylon, and the staff leads to the fact the possibility of electrocuteeing easily with the distance that shortens equipment on apart from the pylon through climbing the pylon to and operating personnel's physical demands, work efficiency low scheduling problem. In order to solve the problems, the electroscope can be connected with the insulating rod, and the electroscope can be used for testing electricity on the ground.

The earlier patent with application number CN200520079354.6 discloses a connecting device for connecting an electroscope and an insulating rod, wherein one end of a connecting body of the connecting device is provided with an interface for connecting the electroscope, and the other end of the connecting body is provided with a slot for connecting the insulating rod. Electroscope passes through connecting device and insulator spindle built-up connection, and the insulator spindle of current mainstream divide into three kinds, is last prefix insulator spindle, U-shaped insulator spindle and universal head insulator spindle respectively, but this connection structure only is applicable to last prefix insulator spindle, and the adaptation scope is little, uses inconveniently. Therefore, a connecting device is provided, which can quickly install the electroscope on the upper-type head insulating rod, the U-shaped insulating rod and the universal head insulating rod.

Disclosure of Invention

The invention aims to: the utility model provides a connecting device to solve connection structure only be applicable to last prefix insulator spindle among the correlation technique, the adaptation scope is little, uses inconvenient problem.

In one aspect, the present invention provides a connecting device for fixing a to-be-connected member to a working head of an insulating rod, the working head including a vertical first rod and a second rod fixedly connected to the first rod along a horizontal direction, the connecting device comprising:

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

the working head extends 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 against the first rod and enables the first rod to be abutted against the side wall provided with the fixed hole;

and 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 inserting column.

As a preferable technical solution of the connecting device, the fixing holes include a first fixing hole and a second fixing hole, and the first fixing hole and the second fixing hole are arranged at an interval in a 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 preferred technical scheme of the connecting device, the second limiting pin is a steel ball quick-release pin.

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

As a preferred technical solution of the connecting device, the inserting column is provided with a first limiting member, the quick coupling is provided with a second limiting member, and the first limiting member and the second limiting member are clamped to limit the quick coupling to slide along the axis of the inserting column.

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

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

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

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

As a preferred embodiment of the connecting device, the connecting shell is made of an insulating material.

The invention has the beneficial effects that:

the invention provides a connecting device, which is used for fixing a to-be-connected piece to 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 extends into the fixing cabin, the second rod penetrates through the fixing hole, and the arrangement can limit the working head to slide relative to the connecting shell along the vertical direction; the first limiting pin penetrates through the shell, the first limiting pin is abutted with one side, away from the fixing hole, of the first rod, and the first rod is abutted with the side wall provided with the fixing hole; in summary, the housing is fixedly connected with the working head through the first limit pin. Because the working joints of the different types of insulating rods are provided with the first rod and the second rod which are perpendicular to each other, the connecting device can be used as a connecting device for connecting the different types of insulating rods and the to-be-connected piece. The device has solved connection structure and has only been applicable to single kind insulator spindle, and the adaptation scope is little, uses inconvenient problem.

Drawings

FIG. 1 is a schematic structural diagram of an insulation rod connected to a member to be connected according to an embodiment of the present invention;

FIG. 2 is a first schematic structural diagram of a connector according to an embodiment of the present invention;

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

FIG. 4 is a schematic structural diagram of a connecting piece to be connected to an upper working head according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the connecting piece to be connected to the upper working head according to the embodiment of the present invention;

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

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

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

FIG. 9 is a cross-sectional view of the universal working head connected to the member to be connected according to the embodiment of the present invention.

In the figure:

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

1. a connecting shell; 11. a housing; 111. a fixing hole; 1111. a first fixing hole; 1112. a second fixing hole; 112. a fixed cabin; 12. inserting the column; 121. a boss; 13. a limiting groove;

2. a first limit pin;

3. a second limit pin; 4. a quick coupling.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The work that traditional test pencil is difficult to satisfy the staff and tests electricity at the equipment of ground on to the pylon, and the staff leads to the fact the possibility of electrocuteeing easily with the distance that shortens equipment on apart from the pylon through climbing the pylon to and operating personnel's physical demands, work efficiency low scheduling problem. In order to solve the problems, the electroscope can be connected with the insulating rod, and the electroscope can be used for testing electricity on the ground. Currently, the mainstream work heads of the insulation rods mainly include three types, namely a top-shaped work head, a U-shaped work head and a universal work head, and each of the work heads includes a vertical first rod 100 and a second rod 200 fixedly connected with the first rod 100 along the horizontal direction, so that the connection device fixedly connects the connection device and the insulation 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 component 300 to a working head of an insulation rod, the connection device includes a connection shell 1, a first limit pin 2 and a quick coupling 4, the connection shell 1 includes a shell 11 and an insertion column 12, the outer wall of the shell 11 is provided with the insertion column 12, two ends of the quick coupling 4 are detachably connected to the insertion column 12 and the to-be-connected component 300, respectively, so as to fixedly connect the to-be-connected component 300 to the shell 11; the working head of the insulating rod extends into the fixing cabin 112, the second rod 200 penetrates through the fixing hole 111, and the arrangement can limit the working head to slide relative to the connecting shell 1 along the vertical direction; the first limit pin 2 penetrates through the shell 11, the first limit pin 2 is abutted with one side, away from the fixing hole 111, of the first rod 100, and the first rod 100 is abutted with the side wall provided with the fixing hole 111, so that the second rod 200 is prevented from sliding out of the fixing hole 111 on one hand, and the first limit pin 2 and the shell 11 clamp the first rod 100 to limit the working head to slide relative to the connecting shell 1 along the horizontal direction on the other hand; in summary, the housing 11 is fixedly connected to the working head through the first limit pin 2. Since the working joints of the different kinds of insulation bars are provided with the first and

second bars

100 and 200 perpendicular to each other, the connection device can be used as a connection device for connecting the different kinds of insulation bars with the member to be connected 300. The device has solved connection structure and has only been applicable to single kind insulator spindle, and the adaptation scope is little, uses inconvenient problem.

Specifically, in the present embodiment, the to-be-connected component 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 also be fixed through clamping connection and the like.

Alternatively, the fixing holes 111 include a first fixing hole 1111 and a second fixing hole 1112, and the first fixing hole 1111 and the second fixing hole 1112 are spaced apart in a vertical direction. In this embodiment, since the relative connection positions of the second rod 200 and the first rod 100 of different types 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 types of working heads, which can enhance the application range of the connection device.

Optionally, the second fixing hole 1112 is a gourd hole along the vertical direction, the connecting device further includes a second limit pin 3, the second limit pin 3 penetrates through the housing 11, and the second fixing hole 1112 is divided into two through holes. In this embodiment, the second fixing hole 1112 is a gourd hole, the second limit pin 3 is disposed through the housing 11, and the second limit pin 3 can divide the second fixing hole 1112 into two through holes, so the second rod 200 can be selectively disposed through one of the through holes, and the application range of the connecting device is further expanded. Specifically, the second fixing hole 1112 is a gourd-shaped hole, so that the diameter of the through hole close to 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 close to the first fixing hole 1111, the second limit pin 3 does not need to be inserted into the housing 11.

Optionally, the inserting column 12 is provided with a first limiting part, the quick coupling 4 is provided with a second limiting part, and the first limiting part and the second limiting part are clamped to limit the quick coupling 4 to slide along the axis of the inserting column 12. Specifically, the quick coupling 4 is provided with a plug hole; the first locating part is the recess that sets up in spliced pole 12 perisporium along spliced pole 12 circumference interval, and the second locating part is the boss that sets up in spliced hole perisporium along spliced hole perisporium's circumference interval, and when spliced pole 12 inserted the spliced hole, boss and recess joint. In other embodiments, a boss may be disposed on the peripheral wall of the insertion post 12 or the insertion hole, and when the insertion post 12 is inserted into the insertion hole, the boss abuts against the insertion post 12 or the insertion hole.

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

Optionally, the first limit pin 2 and the second limit pin 3 are both steel ball quick-release pins. In this embodiment, the steel ball quick-release pin is convenient for quick assembly and disassembly, and is not described herein again because the steel ball quick-release pin is a prior art.

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 danger of electric shock during the electricity testing process.

As shown in fig. 4-5, for the working head and connecting device, the surface of the housing 11 opposite to the first rod 100 is provided with a limiting groove 13. The second pole 200 wears to locate the through-hole of keeping away from first fixed orifices 1111, and make the free end of first pole 100 relative with spacing recess 13, give first pole 100 the power of stretching into spacing recess 13 along vertical direction, the free end of first pole 100 stretches into spacing recess 13, and second pole 200 is located the through-hole that is close to first fixed orifices 1111, peg graft second spacer pin 3 and casing 11, second pole 200 is fixed in the through-hole that is close to first fixed orifices 1111 this moment, and first pole 100 and the lateral wall butt that is provided with first fixed orifices 1111 this moment, insert first spacer pin 2 to casing 11 at last, the relative position of working head and casing 11 is fixed this moment.

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

As shown in fig. 8 to 9, in order to achieve the universal working head and the connection device, the second rod 200 is inserted into the through hole far away from the first fixing hole 1111, and the second rod 200 is always located in the through hole far away from the first fixing hole 1111 by the second limit 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, it is not necessary to insert the second limit pin 3 into the housing 11. The first limit pin 2 is inserted into the housing 11 and the first rod 100 abuts against the sidewall of the housing 11 having the first fixing hole 1111, so that the relative position between the working head and the housing 11 is fixed. In other embodiments, the second rod 200 is selectively inserted into one of the first fixing hole 1111 and the through hole adjacent to the first fixing hole 1111, the first limit 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, so that the relative position of the working head and the housing 11 is fixed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit 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. A connecting device for fixing a work head of an insulating rod with a piece to be connected (300), the work head comprising a vertical first rod (100) and a second rod (200) fixedly connected with the first rod (100) along a horizontal direction, characterized in that the connecting device comprises:

the connecting shell (1), the connecting shell (1) comprises a shell (11) and an inserting column (12) arranged on the shell (11), the shell (11) is provided with a fixing cabin (112) and an opening allowing the working head to extend into the fixing cabin (112), the axis of the inserting column (12) is parallel to the axis of the first rod (100), and the shell (11) is provided with a fixing hole (111);

the working head extends 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 abutted against the first rod (100) and enables the first rod (100) to be abutted against the side wall provided with the fixing hole (111);

and one end of the quick connector (4) is detachably connected with the to-be-connected piece (300), and the other end of the quick connector (4) is detachably connected with the plug column (12).

2. The connecting device according to claim 1, wherein the fixing hole (111) includes a first fixing hole (1111) and a second fixing hole (1112), and the first fixing hole (1111) and the second fixing hole (1112) are spaced apart in a vertical direction.

3. The connecting device according to claim 2, wherein the second fixing hole (1112) is a gourd hole along a vertical direction, the connecting device further comprises a second limiting pin (3), and the second limiting pin (3) penetrates through the housing (11) and divides the second fixing hole (1112) into two through holes.

4. A connection device according to claim 3, characterized in that the second limit pin (3) is a steel ball quick-release pin.

5. 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 stop groove (13).

6. The connecting device according to claim 1, characterized in that the plug-in stud (12) is provided with a first stop and the quick coupling (4) is provided with a second stop, the first and second stops snapping to limit the quick coupling (4) from sliding along the axis of the plug-in stud (12).

7. A connection device according to claim 6, characterized in that the quick coupling (4) is provided with a plug-in hole;

the first limiting parts are grooves which are arranged on the peripheral wall of the insertion column (12) at intervals along the circumferential direction of the insertion column (12), the second limiting parts are bosses which are arranged on the peripheral wall of the insertion hole at intervals along the circumferential direction of the peripheral wall of the insertion hole, and when the insertion column (12) is inserted into the insertion hole, the bosses are clamped with the grooves.

8. A connection device according to any of claims 1-7, characterized in that the quick coupling (4) is made of a rubber material.

9. The connecting device according to any one of claims 1 to 7, wherein the first limit pin (2) is a steel ball quick release pin.

10. Connecting device according to any of claims 1-7, characterized in that the connecting shell (1) is made of an insulating material.