Measuring device for power distribution network engineering
By introducing anti-drop rings, connecting rods, and locking mechanisms into the handheld power transmission and distribution line testing device, the problem of the device slipping out of the hand is solved, achieving stable handheld operation and portability, and ensuring the safety of internal electronic components.
Patent Information
- Application Number
- CN202520281367.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing handheld power transmission and distribution line testing devices are heavy and prone to slipping out of hand during use, causing damage to internal electronic components.
A structure including a drop ring, a connecting rod, a limiting rod, and a locking mechanism was designed. The drop ring limits the wrist to ensure that the device is held securely and prevents it from falling off. The locking mechanism limits the connecting rod after use, improving portability and safety.
This effectively prevents the device from slipping out of your hand and falling, protects the internal electronic components, and improves the portability and safety of the device.
Smart Images

Figure CN223940983U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power testing technology, and more specifically, to a measuring device for power distribution network engineering. Background Technology
[0002] In the field of power distribution network engineering, measuring devices are key tools to ensure project quality and safety. With the continuous development of power distribution network engineering technology and the continuous expansion of power grid scale, higher requirements are placed on the accuracy, reliability, and portability of measuring devices. Therefore, handheld transmission and distribution line testing devices are widely used in circuit measurement.
[0003] When testing power distribution line test equipment, the device is first placed close to the cabinet to be tested and held for a few seconds. The sensor unit collects the electrical parameters of the line, which may include current, voltage, temperature, vibration, etc. These are important indicators for evaluating the line's operating status. The collected analog signals are then converted into digital signals by the data acquisition unit for further processing and analysis. The processing unit uses a preset algorithm to analyze these digital signals in depth to determine the line's status, such as whether there is a fault, thus completing the test.
[0004] Existing handheld power transmission and distribution line testing devices are in use, but due to their heavy weight, and the fact that operators often need to hold the device close to the object to be tested for several seconds, the device is prone to slipping out of their hands. If the device falls to the ground, the impact force can easily damage the internal electronic components. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, this utility model proposes a measuring device for power distribution network engineering.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a measuring device for power distribution network engineering, comprising a device body, a device groove at the top of the device body, an anti-fall ring inside the device groove, a connecting rod passing through the anti-fall ring, a pair of limiting rings fixedly connected to the outside of the connecting rod, both of the limiting rings being in contact with the anti-fall ring, a fixing block hinged to the end of the connecting rod away from the limiting rings, the fixing block being fixedly connected to the inner wall of the device groove, a pair of limiting rods provided on the outside of the connecting rod, and a locking mechanism provided at the end of each pair of limiting rods away from the connecting rod, the locking mechanism being used to support and reset the limiting rods.
[0007] Furthermore, the engaging mechanism includes a connecting plate, a pair of guide rods, a pair of side plates, and a spring. The connecting plate is fixedly connected to the end of the limiting rod away from the connecting rod. Both of the pair of guide rods pass through the connecting plate. The pair of side plates are fixedly connected to both ends of the pair of guide rods respectively. The side plates are fixedly connected to the inner wall of the device groove. The spring is sleeved on the outside of the pair of guide rods. Both ends of the spring are fixedly connected to the connecting plate and the side plates respectively.
[0008] Furthermore, the inner wall of the device groove is provided with a sliding groove, and a baffle is slidably connected inside the sliding groove.
[0009] Furthermore, a magnetic block one is fixedly connected to the side of the baffle near the protrusion, and a magnetic block two is fixedly connected to the inner wall of the device groove. The magnetic block one and the magnetic block two are attracted to each other by opposite polarities.
[0010] Furthermore, a protrusion is fixed to the end of the baffle away from the device slot.
[0011] The technical effects and advantages of this utility model of a measuring device for power distribution network engineering are as follows:
[0012] This utility model, through the structural design of a connecting rod, a drop-proof ring, a limiting rod, and a locking mechanism, enables the device body to be used while the wrist is restrained by the drop-proof ring, ensuring a stable grip and preventing it from falling off. This effectively avoids the problem of the device slipping off the hand due to its weight or improper operation. At the same time, after use, the locking mechanism drives the limiting rod to limit the connecting rod, preventing the drop-proof ring from moving and ensuring the portability and safety of the device. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the first overall structure of the present invention.
[0014] Figure 2 This is a schematic diagram of the second overall structure of the present invention.
[0015] Figure 3 This is a schematic diagram of the anti-fall ring and connecting rod structure in this utility model.
[0016] Figure 4 This is a schematic diagram of the limiting ring structure in this utility model.
[0017] Figure 5 In this utility model Figure 4 A magnified structural diagram at point A.
[0018] Figure 6 This is a cross-sectional schematic diagram of the device body in this utility model.
[0019] In the picture:
[0020] 1. Equipment body; 2. Device slot; 4. Anti-fall ring; 5. Connecting rod; 6. Limiting ring; 7. Fixing block; 8. Limiting rod; 9. Connecting plate; 10. Guide rod; 11. Side plate; 12. Spring; 13. Slide groove; 14. Baffle; 15. Protrusion; 16. Magnetic block one; 17. Magnetic block two. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1 - Figure 5 As shown, a measuring device for power distribution network engineering includes a device body 1. The top of the device body 1 has a device groove 2. An anti-fall ring 4 is provided inside the device groove 2. A connecting rod 5 passes through the anti-fall ring 4. A pair of limiting rings 6 are fixed to the outside of the connecting rod 5. Both of the limiting rings 6 are in contact with the anti-fall ring 4. A fixing block 7 is hinged to the end of the connecting rod 5 away from the limiting ring 6. The fixing block 7 is fixed to the inner wall of the device groove 2. A pair of limiting rods 8 are provided on the outside of the connecting rod 5. A locking mechanism is provided at the end of each pair of limiting rods 8 away from the connecting rod 5. The locking mechanism is used to support and reset the limiting rods 8.
[0023] Existing handheld power transmission and distribution line testing devices are prone to slipping due to the weight of the device body 1 and the need for operators to hold it close to the object being tested for several seconds. If the device body 1 falls to the ground, the impact can damage the internal electronic components. This invention addresses this issue by first swinging the connecting rod 5 around the fixed block 7. This causes the connecting rod 5 to press against the inclined surface of the limiting rod 8, moving the limiting rod 8. The limiting rod 8 then activates a locking mechanism, providing space for its movement. When the connecting rod 5 passes the limiting rod 8, the locking mechanism resets the limiting rod 8. Simultaneously, the swinging of the connecting rod 5 moves the anti-fall ring 4. The anti-fall ring 4 is then rotated along the connecting rod 5 to a suitable angle. The operator then places their hand through the anti-fall ring 4, positioning it at their wrist, and grips the device body 1. At this point, if the device body 1... In the event of a slippage, the entire weight of the device body 1 is supported by the anti-drop ring 4 at the operator's wrist, providing double protection and effectively preventing the device body 1 from falling directly. After use, the anti-drop ring 4 is rotated back to its initial position, and then the connecting rod 5 is swung in the opposite direction. When the connecting rod 5 resets, it presses against the inclined surface of the limiting rod 8 again. The locking mechanism, in conjunction with the limiting rod 8, repeats the above actions to move the device. After the connecting rod 5 passes the limiting rod 8, the locking mechanism again drives the limiting rod 8 to reset, limiting the swing path of the connecting rod 5. Without external force, the connecting rod 5 cannot pass through the limiting rod 8, thus limiting the connection rod 5 and the anti-drop ring 4. This ensures that the anti-drop ring 4 and the connecting rod 5 are inside the device slot 2, preventing them from taking up too much space and improving the portability of the device.
[0024] like Figure 4 and Figure 5 As shown, the engaging mechanism includes a connecting plate 9, a pair of guide rods 10, a pair of side plates 11, and a spring 12. The connecting plate 9 is fixed to the end of the limiting rod 8 away from the connecting rod 5. The pair of guide rods 10 both pass through the connecting plate 9. The pair of side plates 11 are fixed to the two ends of the pair of guide rods 10 respectively. The side plates 11 are fixed to the inner wall of the device groove 2. The spring 12 is sleeved on the outside of the pair of guide rods 10. The two ends of the spring 12 are fixed to the connecting plate 9 and the side plates 11 respectively.
[0025] When the connecting rod 5 swings and presses against the inclined surface of the limiting rod 8, the limiting rod 8 will move under the force. The movement of the limiting rod 8 will drive the connecting plate 9 to move along the outside of the guide rod 10. When the connecting plate 9 moves, it will compress the spring 12, causing the spring 12 to deform and generate elastic potential energy. When the connecting rod 5 passes the limiting rod 8, the compression on the limiting rod 8 ends, and the spring 12 will release its elastic potential energy, pushing the limiting rod 8 to reset through the connecting plate 9.
[0026] like Figure 3 and Figure 6 As shown, the inner wall of the device groove 2 is provided with a sliding groove 13, and a baffle 14 is slidably connected inside the sliding groove 13.
[0027] To prevent external objects from directly impacting the internal structure of the device slot 2, this utility model isolates the internal structure of the device slot 2 from the outside world through a baffle 14 during use. When the internal structure of the device slot 2 needs to be used, the baffle 14 can be moved. The baffle 14 moves along the inside of the slide groove 13 to expose the device slot 2. When not in use, the baffle 14 can be moved to close the device slot 2.
[0028] like Figure 6 As shown, a magnetic block 16 is fixedly attached to the side of the baffle 14 near the protrusion 15, and a magnetic block 27 is fixedly attached to the inner wall of the device groove 2. The magnetic block 16 and the magnetic block 27 are attracted to each other by opposite polarities.
[0029] The protrusion 15 allows the user to easily move the baffle 14, providing a better support point for the user's hand and making it easier to exert force with the hand.
[0030] like Figure 6 As shown, a protrusion 15 is fixedly connected to one end of the baffle 14 away from the device groove 2.
[0031] When the baffle 14 closes the device slot 2, the magnetic block 16 and the magnetic block 17 are in an adsorption state, and the magnetic block 16 is fixed to the baffle 14. This can ensure the stability of the baffle 14 when it is closed and prevent the baffle 14 from slipping due to the movement of the device body 1.
[0032] Working principle: First, the connecting rod 5 swings around the fixed block 7 as the center. At this time, the connecting rod 5 is pressed against the inclined surface of the limiting rod 8, causing the limiting rod 8 to move. The limiting rod 8, under the force, drives the locking mechanism to operate, providing space for the limiting rod 8 to move. When the connecting rod 5 passes the limiting rod 8, the locking mechanism will drive the limiting rod 8 to return to its original position. When the connecting rod 5 swings, it will simultaneously drive the anti-fall ring 4 to move. At this time, the anti-fall ring 4 is rotated along the connecting rod 5 to adjust to a suitable angle. Then, the worker puts their hand through the anti-fall ring 4, so that the anti-fall ring 4 is at their wrist, and holds the equipment body 1. At this time, if the equipment body 1 slips out of the hand, the entire weight of the equipment body 1 will be supported by the anti-fall ring 4 at the worker's wrist, and the worker's wrist can support the equipment body 1 through the anti-fall ring 4. This provides double protection, effectively preventing the device body 1 from falling if the operator drops it. After use, the anti-fall ring 4 is rotated to its initial position, and then the connecting rod 5 swings in the opposite direction. When the connecting rod 5 resets, it presses against the inclined surface of the limiting rod 8 again. The locking mechanism, in conjunction with the limiting rod 8, repeats the above actions to move the connecting rod 5. After the connecting rod 5 passes the limiting rod 8, the locking mechanism drives the limiting rod 8 to reset again, limiting the swing path of the connecting rod 5. Without the aid of external force, the connecting rod 5 cannot pass through the limiting rod 8, thus limiting the connecting rod 5 and the anti-fall ring 4. This ensures that the anti-fall ring 4 and the connecting rod 5 are inside the device slot 2, ensuring that the anti-fall ring 4 and the connecting rod 5 do not take up a lot of space in the device, improving the portability of the device.
[0033] When the connecting rod 5 swings and presses the inclined surface of the limiting rod 8, the limiting rod 8 will move under the force. The movement of the limiting rod 8 will drive the connecting plate 9 to move along the outside of the guide rod 10. When the connecting plate 9 moves, it will compress the spring 12, causing the spring 12 to deform and generate elastic potential energy. When the connecting rod 5 passes the limiting rod 8, the compression of the limiting rod 8 ends, and the spring 12 will release the elastic potential energy, pushing the limiting rod 8 to reset through the connecting plate 9.
[0034] The internal structure of the device slot 2 is isolated from the outside by the baffle 14. When the internal structure of the device slot 2 needs to be used, the baffle 14 can be moved by the protrusion 15. The baffle 14 moves along the inside of the slide 13 to expose the device slot 2. When not in use, the baffle 14 can be moved to close the device slot 2.
[0035] When the baffle 14 closes the device slot 2, the magnetic block 16 and the magnetic block 17 are in an adsorption state, and the magnetic block 16 is fixed to the baffle 14. This can ensure the stability of the baffle 14 when it is closed and prevent the baffle 14 from slipping due to the movement of the device body 1.
[0036] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A measuring device for power distribution network engineering, comprising a device body (1), characterized in that: The top of the device body (1) is provided with a device groove (2). A fall protection ring (4) is provided inside the device groove (2). A connecting rod (5) passes through the inside of the fall protection ring (4). A pair of limiting rings (6) are fixed to the outside of the connecting rod (5). Both of the limiting rings (6) are in contact with the fall protection ring (4). A fixing block (7) is hinged to the end of the connecting rod (5) away from the limiting ring (6). The fixing block (7) is fixed to the inner wall of the device groove (2). A pair of limiting rods (8) are provided on the outside of the connecting rod (5). A locking mechanism is provided at the end of the pair of limiting rods (8) away from the connecting rod (5). The locking mechanism is used to support and reset the limiting rods (8).
2. The measuring device for power distribution network engineering according to claim 1, characterized in that, The engaging mechanism includes a connecting plate (9), a pair of guide rods (10), a pair of side plates (11), and a spring (12). The connecting plate (9) is fixed to the end of the limiting rod (8) away from the connecting rod (5). The pair of guide rods (10) both pass through the connecting plate (9). The pair of side plates (11) are fixed to the two ends of the pair of guide rods (10) respectively. The side plates (11) are fixed to the inner wall of the device groove (2). The spring (12) is sleeved on the outside of the pair of guide rods (10). The two ends of the spring (12) are fixed to the connecting plate (9) and the side plates (11) respectively.
3. The measuring device for power distribution network engineering according to claim 2, characterized in that, The inner wall of the device groove (2) is provided with a sliding groove (13), and a baffle (14) is slidably connected inside the sliding groove (13).
4. The measuring device for power distribution network engineering according to claim 3, characterized in that, A magnetic block one (16) is fixedly attached to the side of the baffle (14) near the protrusion (15), and a magnetic block two (17) is fixedly attached to the inner wall of the device groove (2). The magnetic block one (16) and the magnetic block two (17) are attracted to each other by opposite polarities.
5. The measuring device for power distribution network engineering according to claim 4, characterized in that, A protrusion (15) is fixed to one end of the baffle (14) away from the device groove (2).