Electric power engineering instrument detection device

By designing a bidirectional moving mechanism and a limiting plate, the problems of non-adjustable spacing between the limiting plates and fixed electrode positions are solved, enabling stable clamping and testing of instruments of different sizes, and improving the applicability and safety of the testing device.

CN224190227UActive Publication Date: 2026-05-01STATE GRID HENAN ELECTRIC POWER CO HUIXIAN CITY POWER SUPPLY CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
STATE GRID HENAN ELECTRIC POWER CO HUIXIAN CITY POWER SUPPLY CO
Filing Date
2025-05-28
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The existing power engineering instrument testing devices have adjustable limit plate spacing and fixed electrode post positions, making them unsuitable for power engineering instruments of different sizes.

Method used

It adopts a bidirectional moving mechanism and a limit plate. The limit plate is adjusted by threaded rod and motor drive. Combined with electric push rod and moving mechanism, the position and height of electrode column are adjusted to adapt to instruments of different sizes.

Benefits of technology

It enables stable clamping and testing of instruments of different sizes, improves applicability, reduces manual labor intensity, and increases the convenience and safety of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric power engineering instrument detection device which comprises a workbench, a detection seat is installed on the upper end face of the workbench, a rear cover plate is installed on the rear end face of the detection seat, and two limiting plates are symmetrically connected to the two sides of the front end face of the detection seat through bidirectional moving mechanisms. A groove is formed in the middle of the front end face of the detection base, a transverse plate is movably installed on the inner side of the groove through an electric push rod, a bottom plate is movably installed on the front end face of the transverse plate through a moving mechanism, three electrode columns are evenly installed in the middle of the front end face of the bottom plate, and a concentric-square-shaped groove is formed in the outer sides of the three electrode columns. A shell is arranged on the inner side of the concentric-square-shaped groove. According to the utility model, the positions of the two limiting plates can be adjusted at the same time, engineering instruments with different sizes can be clamped, the positions of the electrode columns can be adjusted, the engineering instrument detection device is suitable for detection of engineering instruments with different interface positions, and the applicability is improved.
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Description

Technical Field

[0001] This utility model relates to the field of engineering instrument testing technology, specifically a power engineering instrument testing device. Background Technology

[0002] Power meters are power measurement and control devices that provide solutions for power parameter measurement, power quality monitoring and analysis, and electrical equipment control.

[0003] In the prior art, Chinese utility model patent with publication number CN217587314U discloses a power engineering instrument testing device, including a frame device for crossing a production line. Two rear cover devices for transmitting testing information are symmetrically mounted on the frame device. A front cover device for telescopic protection is provided in front of the rear cover devices, and the front cover devices and the frame device are slidably connected. The frame device includes a support platform with four support legs evenly welded to the four corners of the bottom of the support platform. Two outer shells are symmetrically mounted on the support platform, and a limiting edge is provided on the front circumference of the outer shell. The rear cover devices include a rear cover plate with two connecting plates symmetrically arranged in front of the rear cover plate. The dual-station setup accelerates the testing speed of power engineering instruments; the automatic spring-loaded cover design reduces manual labor intensity and increases safety; and the plug-in testing design increases operational convenience.

[0004] However, the distance between the two limiting plates in the above device cannot be adjusted, and the position of the electrode post is fixed, which cannot adapt to power engineering instruments of different sizes; therefore, it does not meet the existing requirements. In response, we propose a power engineering instrument testing device. Utility Model Content

[0005] The purpose of this utility model is to provide a power engineering instrument testing device to solve the problems mentioned in the background art, such as the inability to adjust the distance between the two limiting plates and the fixed position of the electrode posts, which makes it unable to adapt to power engineering instruments of different sizes.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a power engineering instrument testing device, including a workbench, a testing seat mounted on the upper surface of the workbench, a rear cover plate mounted on the rear end surface of the testing seat, two limiting plates symmetrically connected to the two sides of the front end surface of the testing seat via a bidirectional moving mechanism, a groove provided in the middle of the front end surface of the testing seat, a horizontal plate movably mounted on the inner side of the groove via an electric push rod, a base plate movably mounted on the front end surface of the horizontal plate via a moving mechanism, three electrode posts evenly mounted in the middle of the front end surface of the base plate, a U-shaped groove provided on the outer side of the three electrode posts, and a housing provided on the inner side of the U-shaped groove.

[0007] Preferably, the bidirectional moving mechanism includes threaded rods, which are installed at the four end corners of the front end face of the detection seat through strip grooves. The thread directions of every two threaded rods are opposite. Threaded plates are sleeved on the outer surface of the threaded rods, and the front end faces of every two threaded plates are fixedly connected to the rear end face of one of the limiting plates.

[0008] Preferably, a first motor is installed on one side of one of the two strip grooves through a motor cavity, the output end of the first motor is fixedly connected to one end of one of the threaded rods through a coupling, every two threaded rods are fixedly connected through a connecting shaft, and the other end of the other threaded rod is rotatably connected to the inner wall of the strip groove through a bearing.

[0009] Preferably, the moving mechanism includes a lead screw, which is installed on the front end face of the horizontal plate through a transverse groove. A threaded block is sleeved on the outer surface of the lead screw, and the front end face of the threaded block is fixedly connected to the rear end face of the base plate. A second motor is installed on one side of the transverse groove through a cavity, and the second motor provides driving force for the lead screw.

[0010] Preferably, an insulating sleeve is provided behind the outer surface of the electrode post, a first loop magnet is installed on the rear end face of the housing, a second loop magnet is installed on the inner wall of the loop groove, and the magnetic poles of the first loop magnet and the second loop magnet are opposite.

[0011] Preferably, sliders are installed on both sides of the outer surface of the cross plate, and grooves are provided on both sides of the inner wall of the groove, with the sliders engaging the inner side of the grooves.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model, by setting up a bidirectional moving mechanism and a limiting plate, can control the switch of the first motor. The first motor drives the threaded rod to rotate, which can drive the threaded plate to move left and right on the outer surface of the threaded rod. The two threaded plates can move towards each other or away at the same time, which can drive the two limiting plates to move towards each other or away at the same time. This can clamp engineering instruments of different sizes and improve applicability.

[0014] 2. This utility model features an electric push rod that allows adjustment of the height of the horizontal plate, thereby adjusting the height of the electrode post. A moving mechanism controls a second motor switch, which drives a lead screw to rotate. A threaded block moves left and right on the outer surface of the lead screw, causing the base plate to move left and right, which in turn moves the electrode post. A housing protects the electrode post from dust; the housing can be removed during testing. This utility model allows for adjustment of the electrode post position and is suitable for testing with various engineering instruments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a main sectional view of the entire utility model;

[0017] Figure 3 This is a partial structural schematic diagram of the return groove of this utility model;

[0018] Figure 4 This is a top sectional view of the detection seat of this utility model.

[0019] In the diagram: 1. Workbench; 2. Rear cover plate; 3. Detection seat; 4. Bidirectional moving mechanism; 401. Threaded plate; 402. Threaded rod; 403. Strip groove; 5. Limiting plate; 6. Groove; 7. Horizontal plate; 8. Electrode post; 9. Electric push rod; 10. Housing; 11. U-shaped groove; 12. Moving mechanism; 1201. Lead screw; 1202. Threaded block; 1203. Horizontal groove; 13. Base plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] The electric actuator 9 (model LBP40), the first motor (model 68KTYZ), and the second motor (model YEJ3-112M-4) mentioned in this utility model can all be obtained from the market or through private customization.

[0022] Please see Figures 1 to 4 An embodiment of this utility model provides a power engineering instrument testing device, including a workbench 1, a testing seat 3 installed on the upper surface of the workbench 1, a rear cover plate 2 installed on the rear end surface of the testing seat 3, two limiting plates 5 symmetrically connected on both sides of the front end surface of the testing seat 3 through a bidirectional moving mechanism 4, a groove 6 provided in the middle of the front end surface of the testing seat 3, a horizontal plate 7 movably installed on the inner side of the groove 6 through an electric push rod 9, a base plate 13 movably installed on the front end surface of the horizontal plate 7 through a moving mechanism 12, three electrode posts 8 evenly installed in the middle of the front end surface of the base plate 13, a spiral groove 11 provided on the outer side of the three electrode posts 8, and a housing 10 provided on the inner side of the spiral groove 11.

[0023] The bidirectional moving mechanism 4 includes a threaded rod 402, which is installed at the four corners of the front end face of the detection seat 3 through a strip groove 403. The thread directions of every two threaded rods 402 are opposite. A threaded plate 401 is sleeved on the outer surface of the threaded rod 402. The front end face of every two threaded plates 401 is fixedly connected to the rear end face of a limiting plate 5. When the threaded rod 402 rotates, it can drive the threaded plate 401 to move left and right on the outer surface of the threaded rod 402. The two threaded plates 401 can move towards each other or away at the same time, which can drive the two limiting plates 5 to move towards each other or away at the same time.

[0024] One of the two strip grooves 403 has a first motor installed on one side through a motor cavity. The output end of the first motor is fixedly connected to one end of one of the threaded rods 402 through a coupling. Every two threaded rods 402 are fixedly connected through a connecting shaft. The other end of the other threaded rod 402 is rotatably connected to the inner wall of the strip groove 403 through a bearing.

[0025] The moving mechanism 12 includes a lead screw 1201, which is installed on the front end face of the horizontal plate 7 through a transverse groove 1203. A threaded block 1202 is fitted on the outer surface of the lead screw 1201. The front end face of the threaded block 1202 is fixedly connected to the rear end face of the base plate 13. A second motor is installed on one side of the transverse groove 1203 through a cavity, and the second motor provides driving force for the lead screw 1201. When the second motor works, it can drive the lead screw 1201 to rotate. The threaded block 1202 can move left and right on the outer surface of the lead screw 1201, thereby driving the base plate 13 to move.

[0026] An insulating sleeve is fitted behind the outer surface of the electrode post 8. A first circular magnet is installed on the rear end face of the housing 10, and a second circular magnet is installed on the inner wall of the circular groove 11. The magnetic poles of the first and second circular magnets are opposite, which improves the stability of the housing 10 when placed inside the circular groove 11.

[0027] Slider blocks are installed on both sides of the outer surface of the horizontal plate 7, and grooves are provided on both sides of the inner wall of the groove 6. The sliders are engaged in the inner side of the grooves to improve the stability of the horizontal plate 7 moving up and down.

[0028] When using this power engineering instrument testing device, the power supply is first turned on. Equipped with a bidirectional moving mechanism 4 and limit plates 5, the device can control the switch of the first motor. The first motor drives the threaded rod 402 to rotate, which in turn moves the threaded plate 401 left and right on the outer surface of the threaded rod 402. Both threaded plates 401 can move simultaneously towards or away from each other, causing the two limit plates 5 to move simultaneously towards or away from each other. This allows for the clamping of engineering instruments of different sizes. An electric push rod 9 allows adjustment of the height of the horizontal plate 7, which in turn allows adjustment of the height of the electrode post 8. A moving mechanism 12 is also included. By controlling the second motor switch, the second motor drives the lead screw 1201 to rotate, and the threaded block 1202 can move left and right on the outer surface of the lead screw 1201, driving the base plate 13 to move left and right, which in turn drives the electrode post 8 to move left and right. This is suitable for engineering instruments with interfaces in different positions. The housing 10 can protect the electrode post 8 from dust. During testing, the housing 10 can be removed. This utility model can simultaneously adjust the positions of the two limit plates 5, can clamp engineering instruments of different sizes, and can adjust the position of the electrode post 8, making it suitable for testing engineering instruments with different interface positions, thus improving its applicability.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A power engineering instrument testing device, comprising a workbench (1), characterized in that: The upper end face of the workbench (1) is equipped with a detection seat (3), the rear end face of the detection seat (3) is equipped with a rear cover plate (2), the two sides of the front end face of the detection seat (3) are symmetrically connected with two limiting plates (5) through a bidirectional moving mechanism (4), a groove (6) is provided in the middle of the front end face of the detection seat (3), a horizontal plate (7) is movably installed on the inner side of the groove (6) through an electric push rod (9), a base plate (13) is movably installed on the front end face of the horizontal plate (7) through a moving mechanism (12), three electrode posts (8) are evenly installed in the middle of the front end face of the base plate (13), a groove (11) is provided on the outer side of the three electrode posts (8), and a shell (10) is provided on the inner side of the groove (11).

2. The power engineering instrument testing device according to claim 1, characterized in that: The bidirectional moving mechanism (4) includes a threaded rod (402), which is installed at the four end corners of the front end face of the detection seat (3) through a strip groove (403). The thread directions of every two threaded rods (402) are opposite. The outer surface of the threaded rod (402) is fitted with a threaded plate (401), and the front end face of every two threaded plates (401) is fixedly connected to the rear end face of a limiting plate (5).

3. The power engineering instrument testing device according to claim 2, characterized in that: One of the two strip grooves (403) has a first motor installed on one side through a motor cavity. The output end of the first motor is fixedly connected to one end of one of the threaded rods (402) through a coupling. Every two threaded rods (402) are fixedly connected through a connecting shaft. The other end of the other threaded rod (402) is rotatably connected to the inner wall of the strip groove (403) through a bearing.

4. The power engineering instrument testing device according to claim 1, characterized in that: The moving mechanism (12) includes a lead screw (1201), which is installed on the front end face of the horizontal plate (7) through a transverse groove (1203). A threaded block (1202) is sleeved on the outer surface of the lead screw (1201). The front end face of the threaded block (1202) is fixedly connected to the rear end face of the base plate (13). A second motor is installed on one side of the transverse groove (1203) through a cavity, and the second motor provides driving force for the lead screw (1201).

5. The power engineering instrument testing device according to claim 1, characterized in that: An insulating sleeve is fitted behind the outer surface of the electrode post (8), a first circular magnet is installed on the rear end face of the housing (10), and a second circular magnet is installed on the inner wall of the circular groove (11), with the first circular magnet and the second circular magnet having opposite magnetic poles.

6. The power engineering instrument testing device according to claim 1, characterized in that: Sliders are installed on both sides of the outer surface of the horizontal plate (7), and sliding grooves are provided on both sides of the inner wall of the groove (6), and the sliders are engaged in the inner side of the sliding grooves.

Citation Information

Patent Citations

  • Electric power engineering instrument detection device

    CN217587314U