CN109921205B - Spring fitting for electric connection - Google Patents

Spring fitting for electric connection Download PDF

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Publication number
CN109921205B
CN109921205B CN201910355598.9A CN201910355598A CN109921205B CN 109921205 B CN109921205 B CN 109921205B CN 201910355598 A CN201910355598 A CN 201910355598A CN 109921205 B CN109921205 B CN 109921205B
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China
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clamp
female
male
arc
spring
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CN109921205A (en
Inventor
丁雷青
王建军
高敬贝
周毓颖
倪伟
彭勇
许震欢
姜玉靓
王衍达
施慧
陈卫东
王凤岐
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State Grid Shanghai Electric Power Co Ltd
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State Grid Shanghai Electric Power Co Ltd
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Abstract

The invention provides a spring fitting for electrical connection, comprising: the top of the female clamp is provided with a first arc-shaped hook, and the first arc-shaped hook is provided with a hollowed-out part; the top of the male clamp is provided with a second arc-shaped hook, the middle positions of the female clamp and the male clamp are hinged, and a main wire and a lead wire are arranged above the middle positions of the female clamp and the male clamp; a spring for opening or closing the female and male jaws by compression or extension, both ends of which are respectively connected with bottoms of the female and male jaws; the second arc-shaped hook is matched with the first arc-shaped hook, and when the female pliers and the male pliers are closed, the second arc-shaped hook is inserted into the hollowed-out part of the first arc-shaped hook to clamp the main lead and the lead. The advantages are that: the spring fitting improves the working efficiency and the safety in the maintenance of the distribution network, and the uninterrupted operation is intelligent and mechanized to be further improved.

Description

Spring fitting for electric connection
Technical Field
The invention relates to the field of electric connection hardware, in particular to a spring hardware for electric connection.
Background
In recent years, in order to cooperate with a series of actions such as increasing the power grid transformation force, optimizing the commercial environment, improving the distribution network uninterrupted operation management, etc., uninterrupted operation is an important ring in the distribution network maintenance system, the application of an intelligent robot in uninterrupted operation is the problem of resonance of the current power system, the development work of the uninterrupted operation robot of the company of the national Shanghai company of the net has entered a product test stage, but the connection fitting for the line has been developed and produced in a manual mode for a long time, and the practice proves that the connection fitting for the robot to use the existing connection fitting for lead splicing has a little effect, so the development of the connection fitting matched with the robot arm is very urgent. The development and application of the project can not only greatly improve the working efficiency and liberation productivity of the existing robot, but also increase the safety and reliability of uninterrupted operation.
Disclosure of Invention
The invention aims to provide a spring fitting for electric connection, which combines a female clamp, a male clamp and a spring to form a connecting fitting matched with the existing robot arm, and the connecting fitting is used for fixing and conducting an overhead main wire and a lead, so that the working efficiency and the safety of live lap joint in distribution network overhaul are greatly improved, and the power-off operation of a company is intelligentized and mechanized to be further improved.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
a spring fitting for electrical connection, comprising:
the top of the female clamp is provided with a first arc-shaped hook, and the first arc-shaped hook is provided with a hollowed-out part;
the top of the male clamp is provided with a second arc-shaped hook, the middle positions of the female clamp and the male clamp are hinged, and a main wire and a lead wire are arranged above the middle positions of the female clamp and the male clamp;
a spring for opening or closing the female and male jaws by compression or extension, both ends of which are respectively connected with bottoms of the female and male jaws;
the second arc-shaped hook is matched with the first arc-shaped hook, and when the female pliers and the male pliers are closed, the second arc-shaped hook is inserted into the hollowed-out part of the first arc-shaped hook to clamp the main lead and the lead.
Preferably, the bottoms of the female forceps and the male forceps are connected with a mechanical arm.
Preferably, the bottoms of the female forceps and the male forceps are respectively provided with a grab handle, and the grab handles are inserted into the grooves corresponding to the mechanical arms.
Preferably, the first arc-shaped hooks of the female pliers are bent inwards from bottom to top, and the second arc-shaped hooks of the male pliers are bent inwards from bottom to top.
Preferably, the middle position of the female clamp is provided with a first protruding connecting part, the middle position of the male clamp is provided with a second protruding connecting part, the first protruding connecting part of the female clamp is connected with the second protruding connecting part of the male clamp through a cylindrical rivet, and the female clamp and the male clamp can rotate around the cylindrical rivet.
Preferably, a first protruding structure is arranged on the inner side of the bottom of the female clamp, a second protruding structure is arranged on the inner side of the bottom of the male clamp, and two ends of the spring are respectively inserted into the first protruding structure and the second protruding structure.
Preferably, the first protruding structure of the female clamp and the second protruding structure of the male clamp are cylinders, through holes are formed in the cylinders, and terminal steel wires at two ends of the springs can be inserted into the through holes so that the springs are tightly connected with the female clamp and the male clamp.
Preferably, the female tongs and the male tongs are made of copper or aluminum alloy.
Preferably, the springs are formed by splicing two reducing springs, the big end of each reducing spring is arranged in the middle, and the small end of each reducing spring is outwards connected with the female pliers and the male pliers respectively.
Preferably, a method for using a spring fitting in combination with a robotic arm for electrical connection, the method comprising the steps of:
s1, connecting the bottoms of the female clamp and the male clamp of a spring fitting for electric connection with a mechanical arm of a robot;
s2, a mechanical arm clamps the female clamp and the male clamp, the female clamp and the male clamp are opened by rotating around the cylindrical rivet, a spring fitting is lifted from bottom to top below a main lead and a lead, the other mechanical arm of the robot grabs the lead and the main lead, and the main lead and the lead are sleeved between the first arc-shaped hook and the second arc-shaped hook;
s3, the mechanical arm loosens the female clamp and the male clamp, a second arc-shaped hook of the male clamp is inserted into a hollowed-out part of a first arc-shaped hook of the female clamp, and a main wire and a lead wire are clamped between the first arc-shaped hook and the second arc-shaped hook in a closed mode;
s4, the mechanical arm is separated from the female clamp and the male clamp, and the main lead and the lead are clamped by the spring fitting.
Compared with the prior art, the invention has the following advantages:
(1) The spring fitting for electric connection combines the female pliers, the male pliers and the spring, has simple material selection and structural design, and has high simplicity, universality and operability of the structure of the spring fitting;
(2) According to the invention, the female clamp, the male clamp and the spring are combined to form the spring connecting fitting which can be matched with the mechanical arm of the existing robot, so that the defect that the existing live working robot is not matched with the traditional fitting is solved, and the problems of complex working steps and loose connection during the live wire bonding of the lead are solved;
(3) The mechanical arm of the existing robot is provided with a connecting port according to the spring hardware fitting, the bottoms of the female clamp and the male clamp are directly inserted into the groove of the mechanical arm, and the spring connecting hardware fitting has a bayonet mode of combining with and separating from the mechanical arm of the robot, so that the robot can conveniently perform daily live working;
(4) The spring adopts the reducing spring, and after the spring is compressed and tightened, the spring can be effectively prevented from forming permanent deformation in the use process;
(5) The spring fitting provided by the invention has certain mechanical strength and current conduction capability, can ensure that an overhead line can safely run for a long time after a robot is electrified and is connected with a lead, and has the functions of fastening, dismounting, transmission and the like.
Drawings
FIG. 1 is a perspective view of a female clamp of a spring fitting for electrical connection according to the present invention;
FIG. 2 is a diagram showing a design of a female clamp of a spring fitting for electrical connection according to the present invention;
FIG. 3 is a side view of a female clamp of a spring fitting for electrical connection according to the present invention;
fig. 4 is a perspective view of a male clamp of a spring fitting for electrical connection according to the present invention;
FIG. 5 is a structural design of a spring fitting for electrical connection according to the present invention;
FIG. 6 is a left side view of a spring fitting for electrical connection according to the present invention;
fig. 7 is a perspective view of a spring fitting for electrical connection according to the present invention.
Detailed Description
The invention will be further described by the following detailed description of a preferred embodiment, taken in conjunction with the accompanying drawings.
As shown in fig. 1 to 5, the spring fitting for electrical connection provided by the present invention includes:
the top of the female pincer 1 is provided with a first arc-shaped hook 11, a hollowed-out part is arranged in the middle of the first arc-shaped hook 11, and the hollowed-out part of the female pincer 1 is in a long strip shape, but not limited to the long strip shape, and can be in other shapes for inserting the second arc-shaped hook 21; the top of the male pliers 2 is provided with a second arc-shaped hook 21 which is matched with the first arc-shaped hook 11, and the width of the second arc-shaped hook 21 is slightly smaller than that of the hollowed-out part of the first arc-shaped hook 11, so that the second arc-shaped hook 21 can be inserted into the hollowed-out part of the first arc-shaped hook 11; the first arc-shaped hooks 11 of the female pliers 1 are bent inwards from bottom to top, the second arc-shaped hooks 21 of the male pliers 2 are bent inwards from bottom to top, the respective middle positions of the female pliers 1 and the male pliers 2 are hinged, and main wires and leads are arranged above the middle positions of the female pliers 1 and the male pliers 2; a spring 3 for opening or closing the female and male jaws 1 and 2 by compression or extension, both ends of which are respectively connected with bottoms of the female and male jaws 1 and 2; the second arc-shaped hook 21 is matched with the first arc-shaped hook 11, and when the female forceps 1 and the male forceps 2 are closed, the second arc-shaped hook 21 is inserted into the hollowed-out part of the first arc-shaped hook 11 to clamp the main lead and the lead. The female pincer 1 and the male pincer 2 are made of conductive metal, such as copper or aluminum alloy.
When the spring 3 stretches, the second arc-shaped hook 21 of the male clamp 2 is just inserted into the hollowed-out part of the first arc-shaped hook 11 of the female clamp 1, and the second arc-shaped hook 21 of the male clamp 2 is matched with the first arc-shaped hook 11 of the female clamp 1 to clamp and fix the main lead and the lead.
The middle position of the female pliers 1 is provided with a first protruding connecting part 12, the middle position of the male pliers 2 is provided with a second protruding connecting part 22, the first protruding connecting part 12 of the female pliers 1 and the second protruding connecting part 22 of the male pliers 2 are respectively provided with at least two through holes, a cylindrical rivet penetrates through the through holes of the first protruding connecting part 12 and the second protruding connecting part 22, the first protruding connecting part 12 and the second protruding connecting part 22 are connected in a hinge way, and the female pliers 1 and the male pliers 2 can rotate around the cylindrical rivet to realize opening and closing of the female pliers 1 and the male pliers 2 of the spring fitting.
The bottoms of the female forceps 1 and the male forceps 2 are respectively provided with a grab handle which can be connected with a robot arm. The inner side of the bottom of the female pincer 1 is provided with a first protruding structure 13, the inner side of the bottom of the male pincer 2 is provided with a second protruding structure 23, and the first protruding structure 13 of the female pincer 1 and the second protruding structure 23 of the male pincer 2 are respectively inserted into two ends of the spring 3. In this embodiment, the first protrusion structure 13 of the female pincer 1 and the second protrusion structure 23 of the male pincer 2 are cylinders, each cylinder is provided with a through hole, and the end steel wires at two ends of the spring 3 can be inserted into the through holes, so that the spring 3 is tightly connected with the female pincer 1 and the male pincer 2, and the spring is prevented from falling off.
In this embodiment, the springs 3 are formed by splicing two reducing springs, and can be customized according to the design and connection manufacturer, and the big end of each reducing spring is in the middle, and the small end is outwards connected with the bottoms of the female pliers 1 and the male pliers 2 respectively. After the spring 3 is tightened, the relative positions of the bottom of the female pliers 1 and the bottom of the male pliers 2 are inclined upwards, and the middle part of the spring 3 is extruded upwards. While the spring 3 is liable to be permanently deformed during upward extrusion due to the insufficient spring stiffness, the reducing spring of the present invention can improve the disadvantage and avoid permanent deformation.
As shown in fig. 5 to 7, in the use process, the spring 3 is compressed, the second arc-shaped hook 21 of the male forceps 2 is pulled out from the hollowed-out part of the first arc-shaped hook 11 of the female forceps 1, and the female forceps 1 and the male forceps 2 are opened. And under the main wire and the lead, the spring fitting is sleeved into the main wire and the lead from bottom to top, so that the main wire and the lead are arranged between the first arc-shaped hook 11 and the second arc-shaped hook 21, namely, the main wire and the lead are arranged above the middle positions of the female clamp 1 and the male clamp 2. Then the spring 3 is loosened, the second arc-shaped hook 21 is inserted into the hollowed-out part of the first arc-shaped hook 11, and the first arc-shaped hook 11 is matched with the second arc-shaped hook 21 to clamp and lock the main wire and the lead wire, so that the effect of electric connection is achieved. Therefore, the effect of clamping the main wire and the lead can be achieved through the opening and closing of the female clamp 1 and the male clamp 2 of the spring hardware fitting, so that the electric connection between the main wire and the lead can be formed, and the problem that the connection of the existing hardware fitting is not tight can be further solved.
In this embodiment, the female pincer 1 and the male pincer 2 are two independent hardware components, the middle positions of the female pincer 1 and the male pincer 2 are connected through a cylindrical rivet, and can rotate around the cylindrical rivet, and the female pincer 1 and the male pincer 2 achieve a clamping effect through the reducing spring.
The spring fitting for electrical connection provided by the invention can fix and conduct the overhead main wire and the lead. The mechanical arm of the robot is provided with a connecting port according to the spring fitting, the spring fitting is provided with a bayonet mode for combining with the mechanical arm of the robot and separating from the bayonet mode, the bottoms of the female pliers 1 and the male pliers 2 can be directly inserted into a groove of the connecting port of the mechanical arm, the spring fitting can be regarded as a mechanical arm on the mechanical arm, the mechanical arm has the functions of grabbing, lifting, rotating, fastening and the like through the transmission of the mechanical arm, and after the mechanical arm grabs and fastens a lead wire and a main lead wire in a combined mode, the mechanical arm can fall off from the mechanical arm and is converted into the spring connecting fitting of the lead wire and the main lead wire. The spring fitting for electrical connection is not only used for live working of the robot arm, but also used for other work needing to clamp the wire.
When the distribution lines are subjected to live working, the mechanical arm of the robot grabs the bottom end grab handles of the female pliers 1 and the male pliers 2 and presses inwards to deform the reducing springs 3, so that the female pliers 1 and the male pliers 2 are opened. The other mechanical arm of the robot grabs the lead wire and is placed in parallel with the main lead wire, and the spring fitting is sleeved under the main lead wire and the lead wire from bottom to top, so that the main lead wire and the lead wire are positioned above the middle positions of the female pincer 1 and the male pincer 2, namely, the main lead wire and the lead wire are in the surrounding clamping range of the first arc-shaped hook 11 and the second arc-shaped hook 21. And then the mechanical arm loaded with the spring hardware fitting loosens the bottom handles of the female clamp 1 and the male clamp 2, the spring 3 stretches, the first arc-shaped hook 11 and the second arc-shaped hook 21 of the spring hardware fitting enclose and clamp the main wire and the lead wire, so that the main wire and the lead wire are conducted, and the spring connecting hardware fitting is a clam-type connecting hardware fitting. And then the mechanical arm is separated from the spring connecting fitting, so that the hot-line lead lapping operation is completed.
The mechanical arm of the electrified robot provided with the spring fitting is easy to carry out electrified lapping and disassembling of the lead wire and the overhead wire, and the mechanical arm can be separated from the spring fitting after lapping, so that the spring fitting replaces the traditional wire connecting clamp.
In summary, the spring fitting for electrical connection combines the female clamp 1, the male clamp 2 and the spring 3, and by using the spring fitting, the live working robot can use the fitting to independently perform the work of live wire lapping and wire disassembling of the lead wires, thereby simplifying the complex steps of live working, facilitating the operation of a robot mechanical arm, reducing the difficulty in installation and disassembly, greatly improving the working efficiency and safety of live wire lapping in distribution network overhaul, and further improving the intellectualization and mechanization of the uninterrupted power operation of a company.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (9)

1. A spring fitting for electrical connection, comprising:
the female forceps (1) is provided with a first arc-shaped hook (11) at the top, and the first arc-shaped hook (11) is provided with a hollowed-out part;
the top of the male clamp (2) is provided with a second arc-shaped hook (21), the female clamp (1) is hinged with the middle positions of the male clamp (2), and a main wire and a lead wire are arranged above the middle positions of the female clamp (1) and the male clamp (2);
a spring (3) for opening or closing the female and male jaws (1, 2) by compression or extension, both ends of which are respectively connected with the bottoms of the female and male jaws (1, 2);
the first arc-shaped hooks (11) of the female pliers (1) are bent inwards from bottom to top, the second arc-shaped hooks (21) of the male pliers (2) are bent inwards from bottom to top, the second arc-shaped hooks (21) are matched with the first arc-shaped hooks (11), and when the female pliers (1) and the male pliers (2) are closed, the second arc-shaped hooks (21) are inserted into the hollowed-out parts of the first arc-shaped hooks (11) to clamp main wires and leads;
the spring fitting for electrical connection can be combined with a robot arm, and the combined use method comprises the following steps:
s1, connecting the bottoms of the female clamp (1) and the male clamp (2) of a spring fitting for electric connection with a mechanical arm of a robot;
s2, a mechanical arm clamps the female clamp (1) and the male clamp (2), the female clamp (1) and the male clamp (2) are opened by rotating around a cylindrical rivet, a spring fitting is lifted from bottom to top below a main wire and a lead, the other mechanical arm of the robot grabs the lead and the main wire, and the main wire and the lead are sleeved between the first arc-shaped bent hook (11) and the second arc-shaped bent hook (21);
s3, the mechanical arm loosens the female clamp (1) and the male clamp (2), a second arc-shaped hook (21) of the male clamp (2) is inserted into a hollowed-out part of a first arc-shaped hook (11) of the female clamp (1), and a main wire and a lead wire are clamped between the first arc-shaped hook (11) and the second arc-shaped hook (21) in a sealing mode;
s4, the mechanical arm is separated from the female clamp (1) and the male clamp (2), and the main lead and the lead are clamped by the spring fitting.
2. A spring clamp for electrical connection according to claim 1, wherein,
the bottoms of the female forceps (1) and the male forceps (2) are connected with a mechanical arm.
3. A spring clamp for electrical connection according to claim 2, wherein,
the bottoms of the female forceps (1) and the male forceps (2) are respectively provided with a grab handle, and the grab handles are inserted into grooves corresponding to the mechanical arms.
4. A spring clamp for electrical connection according to claim 1, wherein,
the female clamp is characterized in that a first protruding connecting part (12) is arranged in the middle of the female clamp (1), a second protruding connecting part (22) is arranged in the middle of the male clamp (2), the first protruding connecting part (12) of the female clamp (1) is connected with the second protruding connecting part (22) of the male clamp (2) through a cylindrical rivet, and the female clamp (1) and the male clamp (2) can rotate around the cylindrical rivet.
5. A spring clamp for electrical connection according to claim 1, wherein,
the inner side of the bottom of the female clamp (1) is provided with a first protruding structure (13), the inner side of the bottom of the male clamp (2) is provided with a second protruding structure (23), and two ends of the spring (3) are respectively inserted into the first protruding structure (13) and the second protruding structure (23).
6. The spring clamp for electrical connection according to claim 5, wherein,
the first protruding structure (13) of the female clamp (1) and the second protruding structure (23) of the male clamp (2) are cylinders, through small holes are formed in the cylinders, and tail end steel wires at two ends of the spring (3) can be inserted into the small holes, so that the spring (3) is tightly connected with the female clamp (1) and the male clamp (2).
7. A spring clamp for electrical connection according to claim 1, wherein,
the female tongs (1) and the male tongs (2) are made of copper or aluminum alloy.
8. A spring clamp for electrical connection according to claim 1, wherein,
the spring (3) is formed by splicing two reducing springs, the big end of each reducing spring is arranged in the middle, and the small end of each reducing spring is outwards connected with the female clamp (1) and the male clamp (2) respectively.
9. A method for use in combination with a robotic arm using a spring fitting for electrical connection according to any one of claims 1-8, the method comprising the steps of:
s1, connecting the bottoms of the female clamp (1) and the male clamp (2) of a spring fitting for electric connection with a mechanical arm of a robot;
s2, a mechanical arm clamps the female clamp (1) and the male clamp (2), the female clamp (1) and the male clamp (2) are opened by rotating around a cylindrical rivet, a spring fitting is lifted from bottom to top below a main wire and a lead, the other mechanical arm of the robot grabs the lead and the main wire, and the main wire and the lead are sleeved between the first arc-shaped bent hook (11) and the second arc-shaped bent hook (21);
s3, the mechanical arm loosens the female clamp (1) and the male clamp (2), a second arc-shaped hook (21) of the male clamp (2) is inserted into a hollowed-out part of a first arc-shaped hook (11) of the female clamp (1), and a main wire and a lead wire are clamped between the first arc-shaped hook (11) and the second arc-shaped hook (21) in a sealing mode;
s4, the mechanical arm is separated from the female clamp (1) and the male clamp (2), and the main lead and the lead are clamped by the spring fitting.
CN201910355598.9A 2019-04-29 2019-04-29 Spring fitting for electric connection Active CN109921205B (en)

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Application Number Priority Date Filing Date Title
CN201910355598.9A CN109921205B (en) 2019-04-29 2019-04-29 Spring fitting for electric connection

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Application Number Priority Date Filing Date Title
CN201910355598.9A CN109921205B (en) 2019-04-29 2019-04-29 Spring fitting for electric connection

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CN109921205B true CN109921205B (en) 2023-11-24

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