CN218216348U

CN218216348U - Circuit repair tools

Info

Publication number: CN218216348U
Application number: CN202121587176.3U
Authority: CN
Inventors: 尚廷东; 孟昊; 郭海云; 董雪峰; 燕昆; ***; 张红涛; 蔡涌; 张洋; 郝涛; 贾洋
Original assignee: Henan Niupa Institute of Mechanical Engineering
Current assignee: Henan Niupa Institute of Mechanical Engineering
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2023-01-03
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a circuit repair tools, including the instrument support, be provided with on the instrument support and press from both sides tight electrically conductive mechanism and bolt and revolve wrong mechanism, press from both sides tight electrically conductive mechanism including be used for with connecting fitting centre gripping complex centre gripping electric conductor, the centre gripping electric conductor is used for being connected with interim bypass electricity, the bolt revolves wrong mechanism and includes nut cooperation head and bolt cooperation head, is provided with the first rotatory and axial displacement's of drive nut cooperation head or bolt cooperation head cooperation first actuating mechanism on the instrument support. The invention provides a cable maintenance tool which is simple to operate and can realize maintenance of a power-uninterrupted line.

Description

Circuit repair tools

Technical Field

The utility model relates to a circuit repair tools for circuit maintenance does not have a power failure.

Background

The existing power transmission line comprises a plurality of line poles, a power transmission cable is arranged between every two adjacent line poles, one end of the power transmission cable is connected to an insulator string on one of the line poles through a strain clamp, and the other end of the power transmission cable is connected to an insulator string on the other line pole through the strain clamp.

The tip of transmission cable is connected with the doubling cable through the parallel groove clamp, the doubling cable passes through link fitting and links to each other with the electrical apparatus, link fitting can be binding post or metal sheet etc. the electrical apparatus generally is the circuit breaker, other switchgear such as fuse, when the electrical apparatus goes wrong, need maintain the electrical apparatus, need break off the doubling cable and be connected with the electrical apparatus during the maintenance, if directly go to break off the doubling cable and be connected with the electrical apparatus, just need power failure operation, this can cause industry or life inconvenience undoubtedly, consequently how not to do not cut off realizes just becoming the key in order to circuit maintenance to the electrical apparatus maintenance.

Disclosure of Invention

The invention aims to provide a cable maintenance tool which can be operated simply and can realize maintenance of a power-uninterrupted line.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a circuit repair tools, includes the instrument support, is provided with on the instrument support and presss from both sides tight electrically conductive mechanism and bolt and revolve wrong mechanism, press from both sides tight electrically conductive mechanism including be used for with connector fitting centre gripping complex centre gripping electric conductor, the centre gripping electric conductor is used for being connected with interim bypass electricity, the bolt revolves wrong mechanism and includes nut cooperation head and bolt cooperation head, is provided with the first actuating mechanism of cooperation that drive nut cooperation head or bolt cooperation head are rotatory and axial displacement on the instrument support.

The bolt fitting head is of a universal sleeve structure.

The clamping conductor comprises a main electrode fixed at the end part of a bolt matching head, the main electrode is of an annular structure, the main electrode is provided with a bolt head avoiding hole for avoiding a bolt head, the clamping conductor also comprises an auxiliary electrode which can move relatively and backwards relative to the main electrode under the action of an electrode driving mechanism, and the main electrode is electrically connected with the auxiliary electrode through a flexible lead.

The nut fitting head and the auxiliary electrode are arranged up and down.

The matching head driving mechanism comprises a transmission rod and an axial action motor for driving the transmission rod to axially move, the nut matching head is rotatably assembled on the transmission rod, the matching head driving mechanism further comprises a rotating motor arranged on the transmission rod, and the rotating motor is connected with the nut matching head to drive the nut matching head to rotate.

The utility model has the advantages that: when the electric appliance to be maintained needs to be maintained, a line maintenance tool is used for arranging a temporary bypass which is connected with the electric appliance to be maintained in parallel on a power transmission cable, and during specific operation, firstly, a clamping conductor is clamped and conductively connected with a connecting hardware fitting, the temporary bypass is connected into the power transmission line, a clamping conductive mode is adopted, the circuit connection mode is simple, the requirement on the connecting hardware fitting is low, and only a clamped part is needed; the bolt that is used for realizing the electrical apparatus connection on screwing the mechanism and demolishs the link fitting through the bolt afterwards, will wait to maintain the electrical apparatus and demolish on by the power transmission line, can wait to maintain the electrical apparatus and maintain, after the maintenance, will wait to maintain the electrical apparatus and insert the power transmission line again, will temporarily the bypass move away can, realize the maintenance operation to not having a power failure.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of the line repair tool of the present invention;

FIG. 2 is a schematic diagram of a state of the circuit repairing tool after the clamping conductor and the connecting fitting are clamped;

FIG. 3 is a schematic diagram of the bolt-tightening mechanism of the line maintenance tool after loosening the bolt and nut;

FIG. 4 is a schematic view of the engagement of the drive rod with the nut engaging head of FIG. 1;

fig. 5 is a schematic structural diagram of a clamping conductive mechanism in embodiment 2 of the line repair tool of the present invention.

Detailed Description

An example 1 of the line repair tool is shown in fig. 1 to 4:

the line maintenance tool comprises a tool support 11, a clamping conductive mechanism and a bolt screwing mechanism are arranged on the tool support, the clamping conductive mechanism comprises a clamping conductive body which is used for being in clamping fit with a connecting hardware fitting, the clamping conductive body is electrically connected with a temporary bypass 7, the bolt screwing mechanism comprises a nut fitting head 12 and a bolt fitting head 8, and a fitting head driving mechanism which drives the nut fitting head or the bolt fitting head to rotate and axially move is arranged on the tool support; and secondly, the bolt matching head of the bolt screwing mechanism is in rotation stopping fit with a bolt 18 on the connecting hardware fitting, the nut matching head of the bolt screwing mechanism is in rotation stopping fit with a nut 17 on the connecting hardware fitting, the bolt and the nut are loosened, the electric connection between the electric appliance to be maintained and the power transmission line is disconnected, and in the maintenance process of the electric appliance to be maintained, the line maintenance tool is always fixed on the connecting hardware fitting through clamping of the clamping electric conductor and the connecting hardware fitting.

In this embodiment, the power transmission line is connected with a line where an electrical appliance to be maintained is located through a connection fitting, the connection fitting is a power transmission cable crimping terminal 16 connected with the power transmission cable in a crimping mode, an electrical appliance side crimping terminal 15 is arranged on the electrical appliance side, and in normal use, the electrical appliance side crimping terminal 15 and the power transmission cable crimping terminal 16 are connected through a bolt 18 and a nut 17, so that the electrical appliance is connected to the power transmission line through the power transmission cable.

The bolt matching head 8 is of a universal sleeve structure, the universal sleeve belongs to the prior art, and comprises a fixing sleeve, a plurality of floating rods capable of floating axially are arranged in the fixing sleeve, after the bolt head extends into the fixing sleeve, the floating rods corresponding to the area of the bolt head are pressed to float axially, and the floating rods around the bolt head do not float and can organize the bolt head to rotate. The structure enables the bolt matching head to adapt to bolt heads of various specifications and sizes. Item 13 of the drawing shows a floating spring which can achieve axial floating of the nut-engaging head.

The matching head driving mechanism comprises a transmission rod and an axial motion motor 2 for driving the transmission rod to axially move, the axial motion motor can drive the transmission rod 1 to axially move, specifically, the power output end of the axial motion motor is connected with a nut, the transmission rod 1 is in threaded connection with the nut, the transmission rod 1 forms a lead screw, and when the nut rotates, the transmission rod can axially move. The nut matching head 12 is rotatably assembled on the transmission rod 1, the matching head driving mechanism further comprises a rotating motor 14 installed on the transmission rod, and the rotating motor 14 is connected with the nut matching head to drive the nut matching head to rotate.

The clamping conductor comprises a main electrode 9 arranged on the bolt matching head 8, and also comprises an auxiliary electrode 5 which can move relatively and back to the main electrode under the action of the electrode driving mechanism 3, wherein the main electrode 9 is electrically connected with the auxiliary electrode 5 through a flexible lead 4. The main electrode 9 is an annular plate-shaped structure, is fixed to an end of the bolt fitting head, and has a bolt head avoiding hole 10 for avoiding a bolt head. The electrode driving mechanism 3 comprises an electrode driving motor, an electrode driving screw rod 6 is connected to a motor shaft of the electrode driving motor, the auxiliary electrode 6 is installed on an insulation driving screw nut, the insulation driving screw nut is in threaded connection with the electrode driving screw rod, and therefore when the electrode driving screw rod 6 rotates, the insulation driving screw nut can drive the auxiliary electrode 5 to axially move, and therefore clamping of the connecting fitting is achieved. The nut fitting head and the auxiliary electrode are arranged up and down. The sub-electrode 5 is electrically connected to the main electrode 9 via a flexible lead.

After the maintenance of the electrical appliance to be maintained is finished, the electrical appliance side pressure terminal 15 penetrates through the bolt and the nut, the bolt screwing mechanism screws the bolt and the nut, the electrical appliance to be maintained is connected to a power transmission circuit, the clamping electric conductor loosens the clamping of the connecting hardware fitting, and the temporary bypass and a line maintenance tool are removed.

When the electric appliance to be maintained is maintained without power outage, firstly, a temporary bypass 7 with a temporary electric appliance (not shown in the figure) is connected with the electric appliance to be maintained in parallel, the electric appliance to be maintained is connected with a power transmission line through a crimping terminal, the contact area of the crimping terminal except for a bolt and a nut is small, in order to guarantee reliable clamping of the crimping terminal, a main electrode adopts an annular structure, an electrode driving mechanism drives an auxiliary electrode to move towards the direction of the main electrode, the main electrode and the auxiliary electrode are matched to clamp and fix the crimping terminal, and the main electrode is electrically connected with the temporary bypass through a lead, so that the temporary bypass is connected into the power transmission line. And then, loosening the bolt and the nut by the bolt screwing mechanism, dismantling a circuit where the electric appliance to be maintained is located, maintaining the electric appliance to be maintained, extending the side pressure connection terminal of the electric appliance into a position between the bolt matching head and the nut matching head after the maintenance of the electric appliance to be maintained is finished, driving the nut matching head to axially move and rotate by the matching head driving mechanism to complete the screwing action of the bolt and the nut, completing the re-connection of the circuit where the motor to be maintained is located, loosening the clamping of the main electrode and the auxiliary electrode on the pressure connection terminal of the transmission cable, and removing the temporary bypass.

An embodiment 2 of the line repair tool is shown in fig. 5: embodiment 2 is different from embodiment 1 in that the auxiliary electrode 5 does not perform fitting and clamping with the main electrode 9 by linear movement, the electrode driving mechanism 3 is mounted on the bolt fitting head 8, the electrode driving mechanism drives the swing arm 25 to swing back and forth, the auxiliary electrode is mounted on the swing arm, and clamping of the auxiliary electrode on the link fitting is realized by the swing of the swing arm.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A line repair tool, characterized in that: including the instrument support, be provided with on the instrument support and press from both sides tight electrically conductive mechanism and bolt and revolve wrong mechanism, press from both sides tight electrically conductive mechanism including be used for with connector fitting centre gripping complex centre gripping electric conductor, the centre gripping electric conductor is used for being connected with interim bypass electricity, the bolt revolves wrong mechanism and includes nut cooperation head and bolt cooperation head, is provided with the rotatory and axial displacement's of drive nut cooperation head or bolt cooperation head cooperation first actuating mechanism on the instrument support.

2. The line repair tool of claim 1, wherein: the bolt fitting head is of a universal sleeve structure.

3. The line repair tool of claim 1, wherein: the clamping conductor comprises a main electrode and an auxiliary electrode which are electrically connected through a flexible lead.

4. The line repair tool of claim 3, wherein: the main electrode is fixed at the end part of the bolt matching head, the main electrode is of an annular structure, the main electrode is provided with a bolt head avoiding hole avoiding the bolt head, and the auxiliary electrode can move relatively and backwards relative to the main electrode under the action of the electrode driving mechanism.

5. The line repair tool of claim 3, wherein: the nut fitting head and the auxiliary electrode are arranged up and down.

6. The line repair tool of claim 1, wherein: the matching head driving mechanism comprises a transmission rod and an axial action motor for driving the transmission rod to axially move, the nut matching head is rotatably assembled on the transmission rod, the matching head driving mechanism further comprises a rotating motor arranged on the transmission rod, and the rotating motor is connected with the nut matching head to drive the nut matching head to rotate.