All-insulation measuring rod for phase checking and phasing in narrow space

Abstract

The utility model discloses an all-insulation measuring rod for phase checking and phasing in a narrow space, which comprises an outer rod and a locking piece, a movable groove is arranged in the outer rod, an inner rod is arranged in the movable groove, the inner rod is in sliding connection with the outer rod, one end of the inner rod is in threaded connection with a collector, an adjusting assembly is arranged between the inner rod and the outer rod, and the adjusting assembly comprises a handle and a sliding block. The two sets of sliding blocks are connected to the two sides of the inner rod respectively, sliding grooves are formed in the two sides of the interior of the outer rod, the locking piece is arranged in the outer rod, internal threads in one end of the collector are in threaded connection with external threads on the surface of the installation column, the collector is installed on the surface of the inner rod, then the length of the measuring rod can be adjusted according to the actual use condition, and the handle is screwed to rotate. The handle drives the screw rod to rotate, and the rotating screw rod drives the inner rod in the outer rod to move outwards, so that the inner rod can move out of the outer rod, the length of the outer rod can be adjusted according to actual use conditions, convenience is achieved, and the working efficiency is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of electrical measuring tool technology, specifically relating to a fully insulated measuring rod for phase determination in narrow spaces. Background Technology

[0002] In the operation and maintenance of modern power systems, phase identification and phasing are key links to ensure the safe and stable operation of the power grid. With the continuous development of power facilities construction, the layout of electrical equipment is becoming increasingly compact, and a large number of narrow space environments appear in power systems, such as inside dense distribution cabinets, narrow cable trenches, small electrical shafts, and space-constrained distribution rooms. Therefore, it is necessary to connect the data acquisition device to a fully insulated measuring rod in order to test power systems with limited space.

[0003] Existing methods involve connecting a data acquisition unit to one end of a measuring rod, holding the rod to lift the data acquisition unit and bring it into contact with the circuit to test its insulation resistance value. However, this method is difficult to use in narrow passages and limited operating space. The length and shape of traditional measuring rods are often fixed, and they cannot be flexibly adjusted according to the specific size and shape of narrow spaces with different depths and layouts. This means that operators cannot flexibly change the size of the measuring rod according to the actual situation, and must carry multiple measuring rods of different specifications to try to adapt to different narrow spaces, which is quite troublesome and increases the workload and equipment cost. Utility Model Content

[0004] The purpose of this invention is to provide a fully insulated measuring rod for phase determination in narrow spaces, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fully insulated measuring rod for phase determination in confined spaces, comprising:

[0006] An outer rod is provided with a movable groove and an inner rod is provided in the movable groove. The inner rod is slidably connected to the outer rod and a collector is threaded to one end of the inner rod. An adjustment component is provided between the inner rod and the outer rod. The screw of the adjustment component rotates and drives the inner rod to move, so that the inner rod moves out of the outer rod to adjust the length of the outer rod.

[0007] A locking element is provided inside the outer rod. The threaded rod of the locking element drives the locking block to contact the lead screw, so that the locking block limits the rotation of the lead screw.

[0008] Preferably, the adjustment assembly includes a handle and a slider. The slider is provided in two sets and is respectively connected to both sides of the inner rod. The outer rod has sliding grooves on both sides, and the slider is slidably connected to the sliding grooves.

[0009] Preferably, the lead screw is rotatably connected to the outer rod via a bearing, and the inner rod is driven to the surface of the lead screw via a lead screw nut. One end of the lead screw is connected to the handle.

[0010] Preferably, one end of the inner rod is connected to a mounting post and the surface of the mounting post is provided with external threads, one end of the collector is provided with internal threads and the internal threads are threadedly connected to the external threads, and one end of the collector is provided with a charging port.

[0011] Preferably, the outer rod surface is provided with a threaded cylinder, the threaded rod is threadedly connected to the threaded cylinder, and one end of the threaded rod is rotatably connected to the locking block.

[0012] Preferably, a gear is fixedly fitted at one end of the lead screw.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) Connect the internal thread of one end of the data collector to the external thread on the surface of the mounting column, install the data collector on the surface of the inner rod, and then adjust the length of the measuring rod according to the actual use. Turn the handle to rotate, and the handle will drive the lead screw to rotate. The rotating lead screw will drive the inner rod inside the outer rod to move outward, so that the inner rod can move out of the outer rod. Thus, the length of the outer rod can be adjusted according to the actual use, which is more convenient and greatly improves the work efficiency.

[0015] (2) After the inner rod moves out of the outer rod and is adjusted, the threaded rod can be rotated inside the threaded cylinder, thereby causing the threaded rod to move the locking block closer to the gear and contact the gear teeth to limit the gear. This limits the lead screw through the gear, preventing the lead screw from rotating and preventing accidental contact with the handle when using the measuring rod, thus avoiding accidental movement of the inner rod due to misoperation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure after the mounting column and the data collector are threaded together.

[0019] Figure 4 This is a top view of the gear and locking block of this utility model.

[0020] In the diagram: 1. Outer rod; 2. Movable groove; 3. Inner rod; 4. Lead screw; 5. Threaded rod; 6. Locking block; 7. Handle; 8. Collector; 9. Slider; 10. Slide groove; 11. Mounting column; 12. Internal thread; 13. Charging port; 14. Threaded cylinder; 15. Gear. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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] This utility model provides, for example Figure 1-4 The fully insulated measuring rod shown is used for phase determination in confined spaces and includes:

[0023] An outer rod 1 is provided with a movable groove 2 and an inner rod 3 is provided in the movable groove 2. The inner rod 3 is slidably connected to the outer rod 1 and a collector 8 is threadedly connected to one end of the inner rod 3. An adjustment component is provided between the inner rod 3 and the outer rod 1. The screw 4 of the adjustment component rotates and drives the inner rod 3 to move so that the inner rod 3 moves out of the outer rod 1 to adjust the length of the outer rod 1.

[0024] A locking element is provided inside the outer rod 1. The threaded rod 5 of the locking element drives the locking block 6 to contact the lead screw 4, so that the locking block 6 restricts the rotated lead screw 4.

[0025] The adjustment assembly includes a handle 7 and sliders 9. Two sets of sliders 9 are respectively connected to both sides of the inner rod 3. The outer rod 1 has sliding grooves 10 on both sides. The sliders 9 are slidably connected to the sliding grooves 10. When the inner rod 3 moves, the sliders 9 on both sides slide in the sliding grooves 10 to guide the movement direction of the inner rod 3, thereby enhancing the stability of the movement of the inner rod 3. The surfaces of the outer rod 1, inner rod 3, and handle 7 are all covered with insulating rubber. The insulating rubber can greatly increase the insulation resistance of these components, effectively prevent current conduction, ensure the safety of operators, and avoid electric shock accidents during use.

[0026] The lead screw 4 is rotatably connected to the outer rod 1 via a bearing, and the inner rod 3 is connected to the surface of the lead screw 4 via a lead screw nut. One end of the lead screw 4 is connected to the handle 7.

[0027] One end of the inner rod 3 is connected to a mounting post 11 and the surface of the mounting post 11 is provided with an external thread. One end of the collector 8 is provided with an internal thread 12 and the internal thread 12 is threadedly connected to the external thread. One end of the collector 8 is provided with a charging port 13, which is a Type-C interface and can be used to charge the collector 8.

[0028] The outer rod 1 has a threaded cylinder 14 on its surface. The threaded rod 5 is threadedly connected to the threaded cylinder 14, and one end of the threaded rod 5 is rotatably connected to the locking block 6. One end of the lead screw 4 is fixedly fitted with a gear 15. Twisting the threaded rod 5 causes it to rotate inside the threaded cylinder 14, thereby causing the threaded rod 5 to drive the locking block 6 to move towards the end close to the gear 15 and to contact the teeth of the gear 15, thus limiting the lead screw 4 and preventing it from rotating.

[0029] This fully insulated measuring rod for phase determination in confined spaces connects the internal thread 12 of the data acquisition unit 8 to the external thread on the surface of the mounting post 11. The data acquisition unit 8 is then mounted on the surface of the inner rod 3. The length of the measuring rod can be adjusted according to the actual usage. Turning the handle 7 rotates the screw 4, which in turn moves the inner rod 3 outward through the rotating screw 4. As the inner rod 3 moves, the sliders 9 on both sides slide in the groove 10, guiding the movement of the inner rod 3 and enhancing its stability. The length of the outer rod 1 can be adjusted according to the actual usage. Turning the handle 7 in the opposite direction moves the inner rod 3 into the outer rod 1. After adjusting the length of the outer rod 1, the data acquisition unit 8 can be lifted by holding the outer rod 1 and brought into contact with the point to be measured. The sensor inside the data acquisition unit 8 collects the phase wireless signal of the point to be measured and sends it to an external handheld device. The handheld device calculates the phase difference of the point to be measured and displays whether it is in phase, out of phase, and the phase difference value.

[0030] After the inner rod 3 moves out of the outer rod 1 and is adjusted, the threaded rod 5 can be rotated inside the threaded cylinder 14. This causes the threaded rod 5 to move the locking block 6 towards the end closer to the gear 15 and make contact with the teeth of the gear 15, thus limiting the gear 15. In turn, the gear 15 limits the lead screw 4, preventing it from rotating. This prevents the lead screw 4 from rotating due to accidental contact with the handle 7 when using the measuring rod, thus avoiding accidental movement of the inner rod 3 due to misoperation.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fully insulated measuring rod for phase determination in confined spaces, characterized in that, include: An outer rod (1) is provided with a movable groove (2) and an inner rod (3) is provided in the movable groove (2). The inner rod (3) is slidably connected to the outer rod (1) and a collector (8) is threadedly connected to one end of the inner rod (3). An adjustment component is provided between the inner rod (3) and the outer rod (1). The inner rod (3) is moved by rotating the screw (4) of the adjustment component and driving the inner rod (3) to move out of the outer rod (1) to adjust the length of the outer rod (1). The locking element is located inside the outer rod (1). The threaded rod (5) of the locking element drives the locking block (6) to contact the lead screw (4) so ​​that the locking block (6) limits the rotation of the lead screw (4).

2. The fully insulated measuring rod for phase determination in confined spaces according to claim 1, characterized in that: The adjustment assembly includes a handle (7) and a slider (9). The slider (9) has two sets and is respectively connected to both sides of the inner rod (3). The outer rod (1) has sliding grooves (10) on both sides. The slider (9) is slidably connected to the sliding grooves (10).

3. A fully insulated measuring rod for phase determination in confined spaces according to claim 2, characterized in that: The lead screw (4) is rotatably connected to the outer rod (1) through a bearing, and the inner rod (3) is connected to the surface of the lead screw (4) through a lead screw nut. One end of the lead screw (4) is connected to the handle (7).

4. A fully insulated measuring rod for phase determination in confined spaces according to claim 1, characterized in that: One end of the inner rod (3) is connected to a mounting post (11) and the surface of the mounting post (11) is provided with an external thread. One end of the collector (8) is provided with an internal thread (12) and the internal thread (12) is threadedly connected to the external thread. One end of the collector (8) is provided with a charging port (13).

5. A fully insulated measuring rod for phase determination in confined spaces according to claim 1, characterized in that: The outer rod (1) is provided with a threaded cylinder (14) on its surface. The threaded rod (5) is threadedly connected to the threaded cylinder (14), and one end of the threaded rod (5) is rotatably connected to the locking block (6).

6. A fully insulated measuring rod for phase determination in confined spaces according to claim 1, characterized in that: A gear (15) is fixedly mounted on one end of the lead screw (4).

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