Combinable test terminal sealing tool

The modularly designed combinable test terminal sealing tool solves the problems of complex CT test terminal sealing operations and current imbalance in power production, improving work efficiency and stability.

CN223665821UActive Publication Date: 2025-12-12CHINA YANGTZE POWER
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Patent Information

Application Number
CN202422189547.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-12-12
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

In current power production, the sealing operation of CT test terminals is complicated, requires high skills from personnel, and is prone to current imbalance. The tools used are cumbersome and inefficient.

Method used

Design a modular test terminal sealing tool comprising several sealing modules, each module including an insulation mechanism and a detachable shorting mechanism. The modules are detachably connected to form an insertion limit and conductive fit. The tool is modular to accommodate different sealing requirements.

Benefits of technology

It improves the efficiency and stability of sealing operations, reduces the skill requirements for personnel, ensures current balance, and simplifies the tool usage process.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a combinable test terminal sealing tool which comprises a plurality of sealing modules which are connected end to end, each sealing module comprises an insulation mechanism and a short circuit mechanism detachably arranged in the insulation mechanism, the short circuit mechanisms of adjacent sealing modules are detachably connected end to end, and the short circuit mechanisms of the adjacent sealing modules are detachably connected end to end. The bottoms of the short-circuit mechanisms are in one-to-one correspondence with the test terminal metal short-circuit sheets, and the bottoms of the short-circuit mechanisms are in limiting fit and conductive fit with the corresponding test terminal metal short-circuit sheets, so that the test terminal sealing tool can be used for test terminal sealing work in power production, and the working efficiency is improved; the metal probe and the support are arranged in the test terminal sealing tool, the metal probe and the support can be used in a combined mode, sealing of various test terminals is involved in actual power production, the number of sealing tools can be combined at will, and sealing operation of the test terminals is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power engineering, especially a combinable test terminal sealing tool. BACKGROUND

[0002] In electric power production, maintenance personnel need to seal CT during testing, and the current method is to use a conventional test terminal metal shorting piece, which is usually a ten-seal, cut by a diagonal cutting pliers on site for on-site use. However, there are cases of short time and heavy tasks on site, and sometimes there are cases of forgetting to bring diagonal cutting pliers and other tools.

[0003] The current method has the following defects and disadvantages:

[0004] (1) On-site work is short in time and heavy in task, and it is necessary to process ten-seal into a suitable number of sealing pieces, which requires high skill and proficiency of on-site personnel, and reduces work efficiency.

[0005] (2) The sealing operation uses many tools and steps, and during sealing, the metal sealing piece must be cut into a corresponding number of shorting pieces, and then the screw and the shorting piece must be screwed together using a screwdriver, which is very complex when sealing CT under voltage, and is prone to current imbalance.

[0006] In view of the above defects and disadvantages, a combinable terminal sealing tool is needed, which can be used for sealing of CT test terminals. INVENTION CONTENTS

[0007] The utility model provides a combinable test terminal sealing tool, which aims to solve the problems of complex related sealing operation, high requirement for personnel operation level, CT current imbalance and fixed number of sealing terminals.

[0008] To solve the above technical problems, the utility model adopts the following technical scheme:

[0009] A combinable test terminal sealing tool, comprising a plurality of sealing modules connected end to end, each sealing module comprising an insulation mechanism and a shorting mechanism detachably arranged in the insulation mechanism, the shorting mechanisms of adjacent sealing modules are detachably connected at the ends, the bottom of the shorting mechanism corresponds to the test terminal metal shorting piece one by one, and the bottom of the shorting mechanism and the corresponding test terminal connection form plug-in limiting cooperation and conductive cooperation.

[0010] As a preferred, the shorting mechanism comprises a connecting rod, one end of the connecting rod is provided with a plug pin concentrically and coaxially, the other end of the connecting rod is provided with a plug pin connector concentrically and coaxially, and the plug pin is movably embedded in the plug pin connector of the adjacent shorting mechanism to form conductive cooperation, and the bottom of the connecting rod is provided with a shorting head along the radial direction.

[0011] As more preferably, the connecting rod, the pin, the pin joint and the short joint are integrally formed and cooperatively form a "T" shaped structure.

[0012] Further, the connecting rod, the pin, the pin joint and the short joint are all conductive metal materials.

[0013] Further, during installation, the short joint is movably clamped in the connecting rod to form a conductive cooperation, and the insulating mechanism is received on the corresponding test terminal.

[0014] Specifically, when the pin is completely embedded in the pin joint of the adjacent short joint mechanism, the adjacent insulating mechanisms are just pasted.

[0015] More specifically, the insulating mechanism comprises a mounting box, the mounting box is provided with a mounting slot with an open top, and the mounting slot and the mounting box cooperatively form a "U" shaped structure, the bottom of the mounting slot is provided with a limiting hole in the middle position along the radial direction, and the top of the mounting box is provided with a cover, and the cover is detachably fixedly connected with the mounting box by screws.

[0016] In detail, during installation, the connecting rod, the pin and the pin joint are embedded and received in the mounting slot, and the short joint is embedded and penetrates through the limiting hole, the middle of the cover is provided with a protrusion matched with the mounting slot, and the connecting rod, the pin and the pin joint are clamped and limited in cooperation of the protrusion of the cover and the mounting slot.

[0017] More specifically, the four corners of the cover and the corresponding positions of the mounting box are provided with screw holes, and screws are screwed in the corresponding screw holes, and the four corners of the cover are detachably fixedly connected with the mounting box by the screws.

[0018] Preferably, the mounting box, the cover and the screws are all insulating materials.

[0019] The beneficial effects of the utility model are as follows:

[0020] 1. The utility model discloses a combinable terminal sealing tool, which can be used for sealing test terminals in electric power production and improves work efficiency.

[0021] 2. The tool shell is made of an insulating mechanism, and the inside is a metal short joint mechanism, which can be used in combination.

[0022] 3. In actual electric power production, a plurality of test terminal sealing operations are involved, and the sealing tool is modularized, so that the number of sealing tools can be combined arbitrarily to realize test terminal sealing operation. DRAWINGS

[0023] Figure 1 It is a side view of the utility model;

[0024] Figure 2It is another side of the utility model's three-dimensional schematic view;

[0025] Figure 3 It is the dismounting three-dimensional schematic view of the utility model's insulation mechanism;

[0026] Figure 4 It is the three-dimensional schematic view of the utility model's short circuit mechanism;

[0027] Figure 5 It is the installation schematic view when the utility model's combined installation is applied;

[0028] In the drawing: 1, sealing module;

[0029] 2, insulation mechanism; 201, installation box; 2011, limiting hole; 202, cover; 203, installation groove; 204, screw hole; 205, screw;

[0030] 3, short circuit mechanism; 301, connecting rod; 302, pin; 303, pin connector; 304, short circuit connector. DETAILED DESCRIPTION

[0031] As follows, the embodiment is further described with reference to the drawings.

[0032] As Figures 1-5 shown, as a preferred embodiment 1, a combined test terminal sealing tool, comprising a plurality of end-to-end sealing module 1, each sealing module 1 includes insulation mechanism 2 and detachably provided in the insulation mechanism 2 short circuit mechanism 3, the short circuit mechanism 3 of adjacent sealing module 1 head and tail can be detachably connected, the bottom of the short circuit mechanism 3 and the test terminal metal short circuit piece one to one, and the bottom of the short circuit mechanism 3 and the corresponding test terminal connection form plug-in type limiting cooperation and conductive cooperation.

[0033] Embodiment 1 provides a kind of combined test terminal sealing tool, tool modularization, according to actual situation, can assemble sealing module 1, when using, observe the terminal needing to be sealed, determine the number of terminals needed for sealing;Then take corresponding number of sealing module 1, carry out splicing to form combined short circuit piece;Finally, the spliced combined short circuit piece and test terminal connection place are aligned, directly, simultaneously together, press, carry out the sealing of CT terminal.

[0034] As a preferred embodiment 2, embodiment 2 provides a specific structure of the shorting mechanism 3, which comprises a connecting rod 301, one end of the connecting rod 301 is provided with a pin 302 concentrically and coaxially, the other end of the connecting rod 301 is provided with a pin connector 303 concentrically and coaxially, and the pin 302 is movably embedded in the pin connector 303 of the adjacent shorting mechanism 3 to form a conductive fit, and the bottom of the connecting rod 301 is provided with a shorting head 304 in the radial direction. The shorting head 304 is used to form a conductive fit with the test terminal connection, and the pin 302 and the pin connector 303 are used to connect adjacent sealing modules 1 and form a conductive part structure of the shorting piece.

[0035] The connecting rod 301, the pin 302, the pin connector 303 and the shorting head 304 are integrally formed and cooperate to form a "T" shape structure. It is convenient to use and install. When installing, the horizontal part formed by the connecting rod 301, the pin 302 and the pin connector 303 is directly put into the installation slot 203, at the same time the vertical part formed by the shorting head 304 passes through the limiting hole 2011, and the limiting installation of the shorting mechanism 3 is completed.

[0036] The connecting rod 301, the pin 302, the pin connector 303 and the shorting head 304 are all conductive metal materials. It ensures the conductive effect and is used to form the conductive part of the shorting piece.

[0037] When installing, the shorting head 304 is movably clamped in the corresponding test terminal connection to form a conductive fit, and the insulating mechanism 2 is received on the corresponding test terminal. It ensures the sealing effect with the test terminal.

[0038] When the pin 302 is completely embedded in the pin connector 303 of the adjacent shorting mechanism 3, the adjacent insulating mechanism 2 just sticks together. It avoids having a gap in the middle and ensures the stability after forming the combined shorting piece.

[0039] As a preferred embodiment 3, embodiment 3 provides a specific structure of the insulating mechanism 2, which comprises an installation box 201, the installation box 201 is provided with an installation slot 203 with an open top, and the installation slot 203 and the installation box 201 cooperate to form a "U" shape structure, the bottom of the installation slot 203 is provided with a limiting hole 2011 in the middle position in the radial direction, the top of the installation box 201 is provided with a cover 202, and the cover 202 is detachably fixed with the installation box 201 by screws 205. Forming a shorting piece insulating part.

[0040] When installed, the connecting rod 301, the pin 302 and the pin connector 303 are embedded and received in the installation groove 203, the short connector 304 is embedded and penetrates the limiting hole 2011, the middle of the cover 202 is provided with a protrusion matched with the installation groove 203, the cover 202 is received on the installation box 201, and the protrusion is embedded in the installation groove 203. The connecting rod 301, the pin 302 and the pin connector 303 are clamped and limited under the cooperation of the protrusion of the cover 202 and the installation groove 203. Further guarantee the limiting and stable installation of the short connection mechanism 3.

[0041] The four corners of the cover 202 and the corresponding positions of the installation box 201 are provided with screw holes 204, screws 205 are screwed in the corresponding screw holes 204, and the four corners of the cover 202 are detachably fixedly connected with the installation box 201 through the screws 205. Convenient installation and disassembly.

[0042] The installation box 201, the cover 202 and the screws 205 are all insulating materials without electrical conductivity. The insulating part of the combined short connection piece is formed, and the insulating effect is guaranteed.

[0043] The working principle of the utility model is as follows:

[0044] Embodiment 1 provides a combinable test terminal sealing tool, which is modularized, sealing modules 1 can be assembled according to actual conditions, the terminals needing to be sealed are observed when used, the number of terminals needed for sealing is determined, then a corresponding number of sealing modules 1 are taken to splice the combined short connection piece, finally, the spliced combined short connection piece is aligned with the test terminal connection part, and is directly and simultaneously pressed to seal the CT terminal.

Claims

1. A combinable test terminal sealing tool, characterized in that, It includes several sealing modules (1) connected end to end. Each sealing module (1) includes an insulation mechanism (2) and a shorting mechanism (3) detachably disposed in the insulation mechanism (2). The shorting mechanisms (3) of adjacent sealing modules (1) are detachably connected end to end. The bottom of the shorting mechanism (3) corresponds one-to-one with the metal shorting piece of the test terminal, and the bottom of the shorting mechanism (3) and the corresponding test terminal connection point form an insertion limiting fit and a conductive fit.

2. The combinable test terminal sealing tool according to claim 1, characterized in that, The shorting mechanism (3) includes a connecting rod (301), one end of the connecting rod (301) is provided with a pin (302) coaxially, the other end of the connecting rod (301) is provided with a pin connector (303) coaxially, and the pin (302) is movably embedded in the pin connector (303) of the adjacent shorting mechanism (3) to form a conductive engagement, and the bottom of the connecting rod (301) is provided with a short connector (304) radially.

3. The combinable test terminal sealing tool according to claim 2, characterized in that, The connecting rod (301), pin (302), pin connector (303), and short connector (304) are integrally formed and cooperate to form a "T" shaped structure.

4. The combinable test terminal sealing tool according to claim 3, characterized in that, The connecting rod (301), pin (302), pin connector (303), and short connector (304) are all made of conductive metal.

5. A combinable test terminal sealing tool according to claim 4, characterized in that, During installation, the short connector (304) is movably engaged with the corresponding test terminal connection to form a conductive fit, and the insulation mechanism (2) is supported on the corresponding test terminal.

6. A combinable test terminal sealing tool according to claim 5, characterized in that, When the pin (302) is fully embedded in the pin connector (303) of the adjacent shorting mechanism (3), the adjacent insulating mechanism (2) is just touching.

7. A combinable test terminal sealing tool according to claim 6, characterized in that, The insulation mechanism (2) includes a mounting box (201), which has a mounting groove (203) with a top opening inside. The mounting groove (203) and the mounting box (201) cooperate to form a "U" shaped structure. The bottom middle position of the mounting groove (203) is provided with a radially provided limiting hole (2011). The top of the mounting box (201) is provided with a cover (202), which is detachably fixed to the mounting box (201) by screws (205).

8. A combinable test terminal sealing tool according to claim 7, characterized in that, During installation, the connecting rod (301), pin (302) and pin connector (303) are embedded and received in the mounting groove (203), the short connector (304) is embedded and passes through the limiting hole (2011), and the middle of the cover (202) is provided with a protrusion that matches the mounting groove (203). The connecting rod (301), pin (302) and pin connector (303) form a clamping and limiting fit under the cooperation of the protrusion of the cover (202) and the mounting groove (203).

9. A combinable test terminal sealing tool according to claim 8, characterized in that, The four corners of the cover (202) and the corresponding positions of the mounting box (201) are provided with screw holes (204), and screws (205) are installed in the corresponding screw holes (204). The four corners of the cover (202) are detachably fixed to the mounting box (201) through the screws (205).

10. A combinable test terminal sealing tool according to claim 9, characterized in that, The mounting box (201), cover (202), and screws (205) are all made of non-conductive insulating material.