Cable verification mechanism used in electric meter box

By designing a cable verification mechanism inside the meter box and using a megohmmeter and a motor to detect the insulation of the cable, the problems of difficulty and low efficiency of cable verification in the prior art are solved, and safe, reliable and efficient cable verification is achieved.

CN119716408AInactive Publication Date: 2025-03-28STATE GRID HENAN ELECTRIC POWER CO XINYE COUNTY POWER SUPPLY CO
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Patent Information

Application Number
CN202411591550.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The cable calibration mechanism inside the existing meter box is difficult to operate, has small space, slow inspection speed, high working intensity for staff, and is not convenient for cable calibration safely and reliably.

Method used

A cable verification mechanism for internal electric meter box is designed, including the box, verification component and conversion component. The calibration components include a megohmmeter, a motor, a drive shaft and an electronic control device. By moving the conversion components, the wires and cables are in contact with each other at different positions, and the electronic control device is used to control the motor to rotate the rocker of the megohmmeter to display the cable insulation.

Benefits of technology

It realizes the safety, reliability and convenience of cable insulation inspection, simple operation, labor-saving, and significantly improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a cable verification mechanism used in an electric meter box, and belongs to the technical field of cable insulativity verification, the cable verification mechanism comprises a box body, a verification assembly is arranged in the box body, and an upper layer space, a middle layer space and a lower layer space are formed in the box body by fixedly arranging a first transverse plate and a second transverse plate in the box body; the checking assembly comprises a megohmmeter fixedly arranged in the lower-layer space, the outer end of a rocker of the megohmmeter is connected with a driving shaft, the driving shaft is connected with a motor, the motor is fixedly arranged in the lower-layer space, an electric control device is fixedly arranged in the lower-layer space, and the electric control device is electrically connected with the motor and the megohmmeter; a positive wiring terminal of the megohmmeter is connected with a positive wire, a negative wiring terminal of the megohmmeter is connected with a negative wire, the positive wire is connected with a first conversion assembly, and the negative wire is connected with a second conversion assembly. The device is easy to operate in the using process, an operator is labor-saving and easy, and the working efficiency is greatly improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of cable insulation verification, and in particular relates to a cable verification mechanism used inside an electric meter box. Background Art

[0002] The meter box is a device for centralized installation of meters, which plays an important role in daily life and industrial electricity use. It can place meters together for easy management, maintenance and electricity metering. The cable verification mechanism solves the problem of line fault detection by adding a specific design in the meter box. It mainly includes an incoming line main switch, a cable and at least two curved cable partitions. The curved cable partition is arranged on the mounting plate in the meter box, a gap is provided between the two partitions, and the cable is arranged in a convex arc shape between the partitions, which is convenient for the operation of the clamp ammeter. When there is a problem with the circuit, the staff will use their fingers to open the curved incoming cable to a space sufficient for the clamp ammeter to operate, and then start to check the circuit. The operation process of the existing cable verification mechanism is not easy to operate due to the small internal space of the meter box, the inspection speed is slow, and the work intensity of the staff is high. Therefore, a cable verification mechanism for the inside of the meter box is needed. The cable verification mechanism is safer, more reliable, easier to operate, and saves time, and does not affect the electricity use of other users. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a cable calibration mechanism for an electric meter box, thereby solving the problems in the above-mentioned background technology.

[0004] The objective of the present invention is achieved as follows: a cable calibration mechanism for an electric meter box comprises a box body, a calibration assembly is arranged inside the box body, an upper space, a middle space and a lower space are formed inside the box body by fixing a first horizontal plate and a second horizontal plate inside the box body; the calibration assembly comprises a megohmmeter fixedly arranged inside the lower space, a driving shaft is connected to the outer end of a rocker arm of the megohmmeter, the driving shaft is connected to a motor, the motor is fixedly arranged inside the lower space, an electric control device is fixedly arranged inside the lower space, the electric control device is electrically connected to both the motor and the megohmmeter; the positive terminal of the megohmmeter is connected to a positive wire, the negative terminal of the megohmmeter is connected to a negative wire, the positive wire is connected to a first conversion assembly, and the negative wire is connected to a second conversion assembly. When it is necessary to inspect the insulation of the cables inside the meter box, the positive and negative wires are respectively contacted with different positions of the cables by moving the first conversion assembly and the second conversion assembly, and then the motor is started by the electric control device, the motor drives the drive shaft to rotate, and the drive shaft drives the rocker inside the megohmmeter to rotate, and then the display screen of the megohmmeter shows whether the insulation of the cables is intact. The operation process is simple, the operators save effort and are relaxed, and the work efficiency is greatly improved.

[0005] Further, the first conversion assembly includes a left guide groove provided on the left side wall of the box body, a left guide pin is slidably connected inside the left guide groove, the left guide pin is connected to the first stabilizing assembly, a left push portion is fixedly provided at the outer end of the left guide pin, a left cross arm is fixedly connected inside the left guide pin, a left contact terminal is fixedly provided at one end of the left cross arm, and the left contact terminal is electrically connected to the positive lead. When in use, the operator pushes the left push portion to move along the left guide groove, the movement of the left push portion drives the movement of the left guide pin, the movement of the left guide pin drives the movement of the left cross arm and then drives the movement of the left contact terminal, so that the left contact terminal is contacted and connected with different positions of the cable, and the positive lead is quickly electrically connected with different positions of the cable.

[0006] Furthermore, the first stabilizing component includes a left lower spring fixedly arranged at the bottom of the left guide slot, the upper end of the left lower spring is fixedly connected to the lower surface of the left guide pin, the inner top wall of the left guide slot is fixedly connected to the left upper spring, and the upper left spring has the same specifications as the left lower spring, and the lower end of the left upper spring is fixedly connected to the upper surface of the left guide pin. Through the arrangement of the left lower spring and the left upper spring, in the default state, the elastic forces of the two springs interact with each other, so that the left guide pin is located in the middle position of the left guide slot, and then the left cross arm is located in a position inside the box that does not contact any cable.

[0007] Furthermore, the second conversion assembly includes a right guide groove provided on the right side wall of the box body, a right guide pin is slidably connected inside the right guide groove, the right guide pin is connected to a second stabilizing assembly, a right push portion is fixedly provided on the outer end of the right guide pin, a right cross arm is fixedly connected inside the right guide pin, a right contact terminal is fixedly provided on one end of the right cross arm, and the right contact terminal is electrically connected to the negative electrode wire. When in use, the operator pushes the right push portion to move along the right guide groove, the movement of the right push portion drives the movement of the right guide pin, the movement of the right guide pin drives the movement of the right cross arm and then drives the movement of the right contact terminal, so that the right contact terminal is contacted and connected with different positions of the cable, so that the negative electrode wire is quickly electrically connected with different positions of the cable, and the first conversion assembly is cooperated to realize the insulation inspection of the cable at different positions.

[0008] Furthermore, the second stabilizing component includes a right lower spring fixedly arranged at the bottom of the right guide slot, the upper end of the right lower spring is fixedly connected to the lower surface of the right guide pin, the inner top wall of the right guide slot is fixedly connected to the right upper spring, and the upper right spring has the same specifications as the right lower spring, and the lower end of the right upper spring is fixedly connected to the upper surface of the right guide pin. Through the arrangement of the right lower spring and the right upper spring, in the default state, the elastic forces of the two springs interact with each other, so that the right guide pin is located in the middle position of the right guide slot, and then the right cross arm is located in a position inside the box that does not contact any cable.

[0009] Furthermore, the rear end of the box is fixedly provided with a plurality of ears for fixing the box, the left side wall of the box is provided with a left opening corresponding to the electric control device, and the left opening is provided with a left door, and the right side wall of the box is provided with a right opening corresponding to the megohmmeter, and the right opening is provided with a right door. A vertical plate corresponding to the left opening is fixedly provided inside the lower space, and the electric control device is detachably fixed to the side wall of the vertical plate, and the display screen and operation buttons of the electric control device face the left opening. When in use, during the cable inspection process, the electric control device is controlled through the left opening to realize the corresponding function control, and the numbers on the megohmmeter display screen are observed through the right opening to judge the insulation of the cable.

[0010] Furthermore, gaps are provided between the left and right ends of the first transverse plate and the second transverse plate and the left and right inner walls of the box body, and the gaps are used for the first conversion assembly or the second conversion assembly to pass through the first transverse plate and the second transverse plate. By setting the gaps, the cables inside the meter box pass through the gaps, which, on the one hand, makes the cables inside the meter box uniformly and neatly arranged, and on the other hand, facilitates the first conversion assembly and the second conversion assembly to contact different cables, making it more convenient to check the insulation of cables at different positions.

[0011] The beneficial effects of the present invention are as follows: when it is necessary to inspect the insulation of the cable inside the electric meter box, the positive wire and the negative wire are respectively contacted with different positions of the cable by moving the first conversion component and the second conversion component, and then the electric control device is used to control the motor to start, the motor drives the drive shaft to rotate, and the drive shaft drives the rocker inside the megohmmeter to rotate, and then the insulation of the cable is displayed on the display screen of the megohmmeter. The operation process is simple, the operator saves effort and is easy, and the work efficiency is greatly improved. When in use, the operator pushes the left push part to move along the left guide groove, the movement of the left push part drives the movement of the left guide pin, the movement of the left guide pin drives the movement of the left cross arm and then drives the movement of the left contact terminal, so that the left contact terminal is contacted and connected with different positions of the cable, and then the positive wire is quickly electrically connected with different positions of the cable. Through the setting of the lower left spring and the upper left spring, in the default state, the elastic forces of the two springs interact with each other, so that the left guide pin is located in the middle position of the left guide groove, and then the left cross arm is located in the box body at a position that is not in contact with any cable.

[0012] The operator pushes the right push part to move along the right guide groove, and the movement of the right push part drives the movement of the right guide pin, and the movement of the right guide pin drives the movement of the right cross arm and then drives the movement of the right contact terminal, so that the right contact terminal can be connected with different positions of the cable, and then the negative conductor can be quickly electrically connected with different positions of the cable, and the first conversion component can be used to realize the insulation test of the cables at different positions. Through the setting of the lower right spring and the upper right spring, in the default state, the elastic forces of the two springs interact with each other, so that the right guide pin is located in the middle position of the right guide groove, and then the right cross arm is located in the inside of the box body, which is not in contact with any cable. In the process of cable inspection, the corresponding function control is realized by controlling the electric control device through the left opening, and the numbers on the megohmmeter display screen are observed through the right opening to judge the insulation of the cable. Through the setting of the gap, the cables inside the meter box pass through the gap, which makes the cables inside the meter box uniformly and neatly arranged on the one hand, and facilitates the first conversion component and the second conversion component to contact different cables on the other hand, and it is more convenient to check the insulation of cables at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a schematic diagram of the top view of the structure of the present invention; Figure 3 It is a right view structural schematic diagram of the present invention; Figure 4 It is a schematic diagram of the main stereoscopic structure of the present invention; Figure 5 The present invention Figure 4 Middle A enlarged view; Figure 6 It is a left-side stereoscopic structural schematic diagram of the present invention; Figure 7 The present invention Figure 6 Middle B: Enlarged view; Figure 8 It is a right top view of the three-dimensional structure of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the present invention when viewed from the left side; Fig.10 It is a schematic diagram of the three-dimensional structure of the present invention when viewed from the right.

[0014] In the figure: 1, box body 2, first horizontal plate 3, second horizontal plate 4, megohmmeter 5, drive shaft 6, motor 7, electronic control device 8, positive terminal 9, left guide groove 10, left guide pin 11, left push part 12, left cross arm 13, left contact terminal 14, left lower spring 15, left upper spring 16, right guide groove 17, right guide pin 18, right lower spring 19, right upper spring 20, support ear 21, left opening 22, right opening 23, vertical plate 24, negative terminal. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings. It should be pointed out that all directional words such as up, down, front, back, left, and right appearing in the present invention do not limit the present invention, but are only for clearer description and explanation of the present invention. Example

[0016] like Figure 1-10 As shown, the present embodiment discloses a cable calibration mechanism for an electric meter box, which comprises a box body 1, wherein a calibration component is arranged inside the box body 1, wherein an upper space, a middle space and a lower space are formed inside the box body 1 by fixing a first horizontal plate 2 and a second horizontal plate 3 inside the box body 1; the calibration component comprises a megohmmeter 4 fixedly arranged inside the lower space, an outer end of a rocker arm of the megohmmeter 4 is connected to a drive shaft 5, the drive shaft 5 is connected to a motor 6, the motor 6 is fixedly arranged inside the lower space, an electric control device 7 is fixedly arranged inside the lower space, the electric control device 7 is electrically connected to both the motor 6 and the megohmmeter 4; a positive terminal 8 of the megohmmeter 4 is connected to a positive wire, a negative terminal 24 of the megohmmeter 4 is connected to a negative wire, the positive wire is connected to a first conversion component, and the negative wire is connected to a second conversion component. When it is necessary to inspect the insulation of the cables inside the meter box, the positive and negative wires are respectively contacted with different positions of the cables by moving the first conversion assembly and the second conversion assembly, and then the electric control device 7 is used to control the motor 6 to start, the motor 6 drives the drive shaft 5 to rotate, and the drive shaft 5 drives the rocker inside the megohmmeter 4 to rotate, and then the display screen of the megohmmeter 4 shows whether the insulation of the cables is intact. The operation process is simple, the operator saves effort and is relaxed, and the work efficiency is greatly improved. Example

[0017] like Figure 1-10As shown, the present embodiment discloses a cable calibration mechanism for an electric meter box, which comprises a box body 1, wherein a calibration component is arranged inside the box body 1, wherein an upper space, a middle space and a lower space are formed inside the box body 1 by fixing a first horizontal plate 2 and a second horizontal plate 3 inside the box body 1; the calibration component comprises a megohmmeter 4 fixedly arranged inside the lower space, an outer end of a rocker arm of the megohmmeter 4 is connected to a drive shaft 5, the drive shaft 5 is connected to a motor 6, the motor 6 is fixedly arranged inside the lower space, an electric control device 7 is fixedly arranged inside the lower space, the electric control device 7 is electrically connected to both the motor 6 and the megohmmeter 4; a positive terminal 8 of the megohmmeter 4 is connected to a positive wire, a negative terminal 24 of the megohmmeter 4 is connected to a negative wire, the positive wire is connected to a first conversion component, and the negative wire is connected to a second conversion component. When it is necessary to inspect the insulation of the cables inside the meter box, the positive and negative wires are respectively contacted with different positions of the cables by moving the first conversion assembly and the second conversion assembly, and then the electric control device 7 is used to control the motor 6 to start, the motor 6 drives the drive shaft 5 to rotate, and the drive shaft 5 drives the rocker inside the megohmmeter 4 to rotate, and then the display screen of the megohmmeter 4 shows whether the insulation of the cables is intact. The operation process is simple, the operator saves effort and is relaxed, and the work efficiency is greatly improved.

[0018] For better effect, the first conversion component includes a left guide groove 9 provided on the left side wall of the box body 1, a left guide pin 10 is slidably connected inside the left guide groove 9, the left guide pin 10 is connected to the first stabilizing component, a left push portion 11 is fixedly provided at the outer end of the left guide pin 10, a left cross arm 12 is fixedly connected inside the left guide pin 10, a left contact terminal 13 is fixedly provided at one end of the left cross arm 12, and the left contact terminal 13 is electrically connected to the positive lead. When in use, the operator pushes the left push portion 11 to move along the left guide groove 9, the movement of the left push portion 11 drives the movement of the left guide pin 10, the movement of the left guide pin 10 drives the movement of the left cross arm 12 and then drives the movement of the left contact terminal 13, so that the left contact terminal 13 is in contact with and connected to different positions of the cable, thereby realizing the rapid electrical connection of the positive lead to different positions of the cable.

[0019] For better effect, the first stabilizing component includes a lower left spring 14 fixedly arranged at the bottom of the left guide slot 9, the upper end of the lower left spring 14 is fixedly connected to the lower surface of the left guide pin 10, and the inner top wall of the left guide slot 9 is fixedly connected with an upper left spring 15, and the upper left spring 15 has the same specifications as the lower left spring 14, and the lower end of the upper left spring 15 is fixedly connected to the upper surface of the left guide pin 10. Through the arrangement of the lower left spring 14 and the upper left spring 15, in the default state, the elastic forces of the two springs interact with each other, so that the left guide pin 10 is located in the middle position of the left guide slot 9, and then the left cross arm 12 is located in the box body 1 at a position that does not contact any cable.

[0020] For better effect, the second conversion component includes a right guide groove 16 provided on the right side wall of the box body 1, a right guide pin 17 is slidably connected inside the right guide groove 16, the right guide pin 17 is connected to the second stabilizing component, a right push portion is fixedly provided at the outer end of the right guide pin 17, a right cross arm is fixedly connected inside the right guide pin 17, a right contact terminal is fixedly provided at one end of the right cross arm, and the right contact terminal is electrically connected to the negative electrode wire. When in use, the right push portion is pushed by the operator to move along the right guide groove 16, the movement of the right push portion drives the movement of the right guide pin 17, the movement of the right guide pin 17 drives the movement of the right cross arm and then drives the movement of the right contact terminal, so that the right contact terminal is contacted and connected with different positions of the cable, so that the negative electrode wire is quickly electrically connected with different positions of the cable, and the first conversion component is cooperated to realize the insulation inspection of the cable at different positions.

[0021] For better effect, the second stabilizing component includes a right lower spring 18 fixedly arranged at the inner bottom of the right guide slot 16, the upper end of the right lower spring 18 is fixedly connected to the lower surface of the right guide pin 17, the inner top wall of the right guide slot 16 is fixedly connected with a right upper spring 19, and the specification of the right upper spring 19 is the same as that of the right lower spring 18, and the lower end of the right upper spring 19 is fixedly connected to the upper surface of the right guide pin 17. Through the arrangement of the right lower spring 18 and the right upper spring 19, in the default state, the elastic forces of the two springs interact with each other, so that the right guide pin 17 is located in the middle position of the right guide slot 16, and then the right cross arm is located in the box body 1 at a position that does not contact any cable. Example

[0022] like Figure 1-10As shown, the present embodiment discloses a cable calibration mechanism for an electric meter box, which comprises a box body 1, wherein a calibration component is arranged inside the box body 1, wherein an upper space, a middle space and a lower space are formed inside the box body 1 by fixing a first horizontal plate 2 and a second horizontal plate 3 inside the box body 1; the calibration component comprises a megohmmeter 4 fixedly arranged inside the lower space, an outer end of a rocker arm of the megohmmeter 4 is connected to a drive shaft 5, the drive shaft 5 is connected to a motor 6, the motor 6 is fixedly arranged inside the lower space, an electric control device 7 is fixedly arranged inside the lower space, the electric control device 7 is electrically connected to both the motor 6 and the megohmmeter 4; a positive terminal 8 of the megohmmeter 4 is connected to a positive wire, a negative terminal 24 of the megohmmeter 4 is connected to a negative wire, the positive wire is connected to a first conversion component, and the negative wire is connected to a second conversion component. When it is necessary to inspect the insulation of the cables inside the meter box, the positive and negative wires are respectively contacted with different positions of the cables by moving the first conversion assembly and the second conversion assembly, and then the electric control device 7 is used to control the motor 6 to start, the motor 6 drives the drive shaft 5 to rotate, and the drive shaft 5 drives the rocker inside the megohmmeter 4 to rotate, and then the display screen of the megohmmeter 4 shows whether the insulation of the cables is intact. The operation process is simple, the operator saves effort and is relaxed, and the work efficiency is greatly improved.

[0023] For better effect, the first conversion component includes a left guide groove 9 provided on the left side wall of the box body 1, a left guide pin 10 is slidably connected inside the left guide groove 9, the left guide pin 10 is connected to the first stabilizing component, a left push portion 11 is fixedly provided at the outer end of the left guide pin 10, a left cross arm 12 is fixedly connected inside the left guide pin 10, a left contact terminal 13 is fixedly provided at one end of the left cross arm 12, and the left contact terminal 13 is electrically connected to the positive lead. When in use, the operator pushes the left push portion 11 to move along the left guide groove 9, the movement of the left push portion 11 drives the movement of the left guide pin 10, the movement of the left guide pin 10 drives the movement of the left cross arm 12 and then drives the movement of the left contact terminal 13, so that the left contact terminal 13 is in contact with and connected to different positions of the cable, thereby realizing the rapid electrical connection of the positive lead to different positions of the cable.

[0024] For better effect, the first stabilizing component includes a lower left spring 14 fixedly arranged at the bottom of the left guide slot 9, the upper end of the lower left spring 14 is fixedly connected to the lower surface of the left guide pin 10, and the inner top wall of the left guide slot 9 is fixedly connected with an upper left spring 15, and the upper left spring 15 has the same specifications as the lower left spring 14, and the lower end of the upper left spring 15 is fixedly connected to the upper surface of the left guide pin 10. Through the arrangement of the lower left spring 14 and the upper left spring 15, in the default state, the elastic forces of the two springs interact with each other, so that the left guide pin 10 is located in the middle position of the left guide slot 9, and then the left cross arm 12 is located in the box body 1 at a position that does not contact any cable.

[0025] For better effect, the second conversion component includes a right guide groove 16 provided on the right side wall of the box body 1, a right guide pin 17 is slidably connected inside the right guide groove 16, the right guide pin 17 is connected to the second stabilizing component, a right push portion is fixedly provided at the outer end of the right guide pin 17, a right cross arm is fixedly connected inside the right guide pin 17, a right contact terminal is fixedly provided at one end of the right cross arm, and the right contact terminal is electrically connected to the negative electrode wire. When in use, the right push portion is pushed by the operator to move along the right guide groove 16, the movement of the right push portion drives the movement of the right guide pin 17, the movement of the right guide pin 17 drives the movement of the right cross arm and then drives the movement of the right contact terminal, so that the right contact terminal is contacted and connected with different positions of the cable, so that the negative electrode wire is quickly electrically connected with different positions of the cable, and the first conversion component is cooperated to realize the insulation inspection of the cable at different positions.

[0026] For better effect, the second stabilizing component includes a right lower spring 18 fixedly arranged at the inner bottom of the right guide slot 16, the upper end of the right lower spring 18 is fixedly connected to the lower surface of the right guide pin 17, the inner top wall of the right guide slot 16 is fixedly connected with a right upper spring 19, and the specification of the right upper spring 19 is the same as that of the right lower spring 18, and the lower end of the right upper spring 19 is fixedly connected to the upper surface of the right guide pin 17. Through the arrangement of the right lower spring 18 and the right upper spring 19, in the default state, the elastic forces of the two springs interact with each other, so that the right guide pin 17 is located in the middle position of the right guide slot 16, and then the right cross arm is located in the box body 1 at a position that does not contact any cable.

[0027] For better effect, the rear end of the box body 1 is fixedly provided with a plurality of ears 20 for fixing the box body 1, the left side wall of the box body 1 is provided with a left opening 21 corresponding to the electric control device 7, and the left opening 21 is provided with a left door, and the right side wall of the box body 1 is provided with a right opening 22 corresponding to the megohmmeter 4, and the right opening 22 is provided with a right door. A vertical plate 23 corresponding to the left opening 21 is fixedly provided inside the lower space, and the electric control device 7 is detachably fixedly provided on the side wall of the vertical plate 23, and the display screen and operation buttons of the electric control device 7 face the left opening 21. When in use, during the cable inspection process, the electric control device 7 is controlled through the left opening 21 to realize the corresponding function control, and the numbers on the display screen of the megohmmeter 4 are observed through the right opening 22 to judge the insulation of the cable.

[0028] For better effect, gaps are provided between the left and right ends of the first transverse plate 2 and the second transverse plate 3 and the left and right inner walls of the box body 1, and the gaps are used for the first conversion assembly or the second conversion assembly to pass through the first transverse plate 2 and the second transverse plate 3. Through the setting of the gaps, the cables inside the meter box pass through the gaps, which, on the one hand, makes the cables inside the meter box uniformly and neatly arranged, and on the other hand, facilitates the first conversion assembly and the second conversion assembly to contact different cables, making it more convenient to check the insulation of cables at different positions.

[0029] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cable calibration mechanism for an electric meter box, comprising a box body, characterized in that: A verification component is arranged inside the box, and an upper space, a middle space and a lower space are formed inside the box by fixing a first horizontal plate and a second horizontal plate inside the box; the verification component includes a megohmmeter fixedly arranged inside the lower space, an outer end of a rocker arm of the megohmmeter is connected to a drive shaft, the drive shaft is connected to a motor, the motor is fixedly arranged inside the lower space, an electric control device is fixedly arranged inside the lower space, the electric control device is electrically connected to both the motor and the megohmmeter; a positive wiring terminal of the megohmmeter is connected to a positive wire, a negative wiring terminal of the megohmmeter is connected to a negative wire, the positive wire is connected to a first conversion component, and the negative wire is connected to a second conversion component.

2. The cable calibration mechanism for the electric meter box according to claim 1, characterized in that: The first conversion component includes a left guide groove opened on the left side wall of the box body, a left guide pin is slidably connected inside the left guide groove, the left guide pin is connected to the first stabilizing component, a left push portion is fixedly provided on the outer end of the left guide pin, a left cross arm is fixedly connected inside the left guide pin, a left contact terminal is fixedly provided on one end of the left cross arm, and the left contact terminal is electrically connected to the positive electrode wire.

3. The cable calibration mechanism for the electric meter box according to claim 2, characterized in that: The first stabilizing component includes a lower left spring fixedly arranged at the bottom of the left guide groove, the upper end of the lower left spring is fixedly connected to the lower surface of the left guide pin, the inner top wall of the left guide groove is fixedly connected with an upper left spring, and the upper left spring has the same specifications as the lower left spring, and the lower end of the upper left spring is fixedly connected to the upper surface of the left guide pin.

4. The cable calibration mechanism for the electric meter box according to claim 1, characterized in that: The second conversion component includes a right guide groove opened on the right side wall of the box body, a right guide pin is slidably connected inside the right guide groove, the right guide pin is connected to a second stabilizing component, a right push portion is fixedly provided on the outer end of the right guide pin, a right cross arm is fixedly connected inside the right guide pin, a right contact terminal is fixedly provided on one end of the right cross arm, and the right contact terminal is electrically connected to the negative electrode wire.

5. The cable calibration mechanism for the electric meter box according to claim 4, characterized in that: The second stabilizing component includes a right lower spring fixedly arranged at the bottom of the right guide groove, the upper end of the right lower spring is fixedly connected to the lower surface of the right guide pin, the inner top wall of the right guide groove is fixedly connected with a right upper spring, and the upper right spring has the same specifications as the lower right spring, and the lower end of the right upper spring is fixedly connected to the upper surface of the right guide pin.

6. The cable calibration mechanism for the electric meter box according to claim 1, characterized in that: The rear end of the box body is fixedly provided with a plurality of supporting ears for fixing the box body, the left side wall of the box body is provided with a left opening corresponding to the electric control device, and the left opening is provided with a left side door, the right side wall of the box body is provided with a right opening corresponding to the megohmmeter, and the right opening is provided with a right side door.

7. The cable calibration mechanism for the electric meter box according to claim 6, characterized in that: A vertical plate corresponding to the left opening is fixedly arranged inside the lower space, and the electric control device is detachably fixedly arranged on the side wall of the vertical plate, with the display screen and operation buttons of the electric control device facing the left opening.

8. The cable calibration mechanism for the electric meter box according to claim 1, characterized in that: Gaps are provided between the left and right ends of the first transverse plate and the second transverse plate and the left and right inner walls of the box body, and the gaps are used for the first conversion component or the second conversion component to pass through the first transverse plate and the second transverse plate.