Cable fault early warning equipment

Abstract

The utility model discloses a cable fault early warning device, comprising a mounting rack comprising two mounting plates arranged in parallel at an interval and a connecting piece connecting the two mounting plates; the rolling wheel mechanism comprises a fixed rolling wheel and an adjustable rolling wheel assembly, the fixed rolling wheel is arranged between the two mounting plates, the adjustable rolling wheel assembly comprises an adjusting unit detachably connected to the mounting frame and an adjustable rolling wheel connected with the adjusting unit, and the adjustable rolling wheel and the fixed rolling wheel are arranged side by side at an interval; a cable passing space for a cable to pass through is formed between the adjustable roller and the fixed roller, and the adjusting unit can be operated to adjust the distance between the adjustable roller and the fixed roller; and the detection mechanism is arranged on the mounting frame, and a detection head of the detection mechanism faces the cable penetrating through the cable passing space. The cable fault early warning equipment can reduce the labor intensity of detection personnel.

Description

Technical Field

[0001] This utility model relates to the field of cable monitoring technology, and in particular to a cable fault early warning device. Background Technology

[0002] To ensure electrical safety, cables need to be inspected regularly. In order to detect whether there is partial discharge in the cable, the traditional method is for the inspector to hold the detector close to the cable and walk along the length of the cable so that the detector can inspect the entire cable.

[0003] In the above method, the detector does not come into contact with the cable. However, if the distance between the detector and the cable is too far, it may not be possible to accurately detect whether the cable has partial discharge. Therefore, the inspector needs to keep the distance between the detector and the cable within a suitable range. In addition, the inspector needs to carry the detector, and the weight of the detector is entirely on the inspector's arm, which makes the inspector's labor intensity relatively high. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a cable fault early warning device that can reduce the workload of inspection personnel.

[0005] A cable fault early warning device according to some embodiments of the present invention includes: a mounting frame, comprising two mounting plates arranged at intervals and side by side, and a connector connecting the two mounting plates; a roller mechanism, comprising a fixed roller and an adjustable roller assembly, wherein the fixed roller is disposed between the two mounting plates, and the adjustable roller assembly includes an adjustment unit detachably connected to the mounting frame and an adjustable roller connected to the adjustment unit, the adjustable roller and the fixed roller are arranged at intervals and side by side, and a cable passage space is formed between the adjustable roller and the fixed roller for the cable to pass through, the adjustment unit being operable to adjust the distance between the adjustable roller and the fixed roller; and a detection mechanism disposed on the mounting frame, wherein the detection head of the detection mechanism is positioned facing the cable passing through the cable passage space.

[0006] The cable fault early warning device according to the embodiments of this utility model has at least the following beneficial effects:

[0007] In use, the cable fault early warning device of this invention first separates the adjustable roller assembly from the mounting frame. Then, the fixed roller contacts the cable. The distance between the adjustable and fixed rollers can be controlled according to the cable thickness. The adjustment unit is then fixed to the mounting frame to confine the cable between the adjustable and fixed rollers. The entire cable fault early warning device is then pushed along the length of the cable to allow the detection mechanism to inspect the entire cable. It is understood that by confining the cable between the adjustable and fixed rollers, the distance between the detection head of the detection mechanism and the cable remains constant during the movement of the entire cable fault early warning device along the cable's length. Furthermore, because the adjustable and / or fixed rollers can contact and roll along the cable, the cable can bear at least part of the weight of the cable fault early warning device. The method of moving the cable fault early warning device is also very convenient, reducing the operator's workload.

[0008] According to some embodiments of this utility model, the arrangement direction from the fixed roller to the adjustable roller is defined as the first direction, and the adjustable roller assembly can be assembled to the mounting frame from a second direction opposite to the first direction.

[0009] According to some embodiments of the present invention, the adjustment unit includes a connecting frame and an adjusting member, the connecting frame being connected to the adjustable roller, and the adjusting member being used to fix the connecting frame to the mounting frame.

[0010] According to some embodiments of the present invention, the connecting frame is provided with an adjustment hole, the adjustment hole is elongated, and the length direction of the adjustment hole is parallel to the spacing direction between the fixed roller and the adjustable roller. The adjustment member is detachably inserted through the adjustment hole and connected to the mounting frame, and the adjustment member abuts against the connecting frame.

[0011] According to some embodiments of the present invention, the connecting frame is provided with an adjustment hole, the adjustment hole is elongated, and the length direction of the adjustment hole is parallel to the spacing direction between the fixed roller and the adjustable roller. The adjusting member is detachably inserted through the adjustment hole and connected to the mounting frame, and the adjusting member is loosely connected to the connecting frame. The connecting member can move relative to the mounting frame along the spacing direction between the fixed roller and the adjustable roller.

[0012] The adjustment unit further includes an elastic element, one end of which is connected to the mounting bracket and the other end of which is connected to the adjustable roller. The elastic element is used to make the adjustable roller tend to move toward the fixed roller.

[0013] According to some embodiments of the present invention, a first connecting part is fixed on the mounting bracket, a second connecting part is fixed on the connecting bracket, and the two ends of the elastic member are respectively connected to the first connecting part and the second connecting part.

[0014] According to some embodiments of the present invention, the axis of the adjustable roller is arranged parallel to the axis of the fixed roller, and the adjustable roller and the fixed roller are arranged symmetrically.

[0015] According to some embodiments of the present invention, the cross-sectional area of ​​the adjustable roller gradually increases from the middle to both ends; the cross-sectional area of ​​the fixed roller gradually increases from the middle to both ends.

[0016] According to some embodiments of the present invention, a handle connected to the mounting bracket is also included.

[0017] According to some embodiments of the present invention, the handle is provided with an assembly hole, and the cable fault early warning device further includes a detachable traction rod that passes through the assembly hole.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0020] Figure 1 This is a schematic diagram of the structure of a cable fault early warning device according to an embodiment of the present invention;

[0021] Figure 2 This is a side view of a cable fault early warning device according to an embodiment of the present invention.

[0022] Figure 3 This is a schematic diagram of the adjustable roller assembly according to an embodiment of the present invention.

[0023] Icon labels:

[0024] 100. Mounting bracket; 110. Mounting plate; 120. Connector;

[0025] 200. Roller mechanism; 210. Fixed roller; 211. First support shaft; 220. Adjustable roller assembly; 221. Adjustable roller; 222. Adjustment unit; 2221. Connecting frame; 22211. Adjustment hole; 2222. Adjusting component; 223. Second support shaft; 224. Elastic component; 225. First connecting part; 226. Fixed base;

[0026] 300. Testing agency; 310. Testing head;

[0027] 400, handle; 410, mounting hole. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0029] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] like Figure 1 , Figure 2 As shown, a cable fault early warning device provided in one embodiment of the present invention includes a mounting frame 100, a roller mechanism 200, and a detection mechanism 300. The mounting frame 100 is used to mount the roller mechanism 200 and the detection mechanism 300. The roller mechanism 200 is used to move along the cable for guidance, and the detection mechanism 300 is used to detect the cable.

[0032] like Figure 1 As shown, the mounting bracket 100 includes two mounting plates 110 arranged at intervals and side by side, and a connector 120 connecting the two mounting plates 110.

[0033] Specifically, the two mounting plates 110 can be the same or different in shape. The two mounting plates 110 are arranged side by side and spaced apart, with a gap between them. The connector 120 is used to connect the two mounting plates 110 together.

[0034] The connector 120 includes a screw and a nut. The screw passes through the two mounting plates 110, and the nut is fitted onto the screw to connect the two mounting plates 110 together.

[0035] In other embodiments, the connector 120 may also be welded to each of the two mounting plates 110 respectively, thereby connecting the two mounting plates 110 together.

[0036] Combination Figure 1 and Figure 2 The roller mechanism 200 includes a fixed roller 210 and an adjustable roller assembly 220.

[0037] A fixed roller 210 is disposed between two mounting plates 110. Specifically, the mounting bracket 100 has a first support shaft 211 passing through the two mounting plates 110. The fixed roller 210 is rotatably sleeved on the first support shaft 211. The fixed roller 210 is coaxially disposed with the first support shaft 211, and the fixed roller 210 can rotate relative to the first support shaft 211 around the axis of the first support shaft 211.

[0038] The adjustable roller assembly 220 includes an adjustment unit 222 detachably connected to the mounting frame 100, and an adjustable roller 221 connected to the adjustment unit 222. The adjustable roller 221 is connected to the mounting frame 100 by the adjustment unit 222. The adjustable roller 221 and the fixed roller 210 are spaced apart and arranged side by side, and a cable passage space is formed between the adjustable roller 221 and the fixed roller 210 for the cable to pass through.

[0039] Specifically, one end of the adjusting unit 222 is detachably connected to the mounting bracket 100, and the other end of the adjusting unit 222 is connected to a second support shaft 223. The second support shaft 223 is arranged parallel to and spaced apart from the first support shaft 211, and the axis of the second support shaft 223 is parallel to the axis of the first support shaft 211. An adjustable roller 221 is rotatably sleeved on the second support shaft 223, and the adjustable roller 221 is coaxial with the second support shaft 223, and can rotate relative to the second support shaft 223 around its axis. The space between the adjustable roller 221 and the fixed roller 210 allows a cable to pass through, and the adjustable roller 221 and / or the fixed roller 210 can contact the cable and roll along it.

[0040] It should be noted that the adjustment unit 222 is detachably connected to the mounting bracket 100, thereby allowing the entire adjustable roller assembly 220 to be detached from the mounting bracket 100. When using the cable fault early warning device of this utility model, the adjustable roller assembly 220 is first separated from the mounting bracket 100, then the fixed roller 210 is brought into contact with the cable, and then the adjustment unit 222 is connected to the mounting bracket 100, which allows the cable to be limited between the adjustable roller 221 and the fixed roller 210.

[0041] Furthermore, the adjustment unit 222 can be operably adjusted to adjust the distance between the adjustable roller 221 and the fixed roller 210. In this way, the distance between the adjustable roller 221 and the fixed roller 210 can be adjusted according to the thickness of the cable, thereby increasing the applicability of the cable fault early warning device.

[0042] like Figure 2 As shown, the testing mechanism 300 is mounted on the mounting bracket 100, and the testing head 310 of the testing mechanism 300 is positioned facing the cable passing through the cable passage space.

[0043] Specifically, the detection mechanism 300 is disposed between the two mounting plates 110, and the detection mechanism 300 is located on the side of the fixed roller 210 away from the adjustable roller 221. In addition, the detection mechanism 300 is offset from the fixed roller 210. In other words, the fixed roller 210 will not obstruct the detection head 310 of the detection mechanism 300. The detection head 310 of the detection mechanism 300 is oriented towards the cable passing through the cable passage, and can detect the cable.

[0044] Among them, the detection mechanism 300 can be a current detection mechanism used to detect whether the cable has a partial discharge problem.

[0045] When using the cable fault early warning device of this utility model, firstly, the adjustable roller assembly 220 is separated from the mounting frame 100. Then, the fixed roller 210 is brought into contact with the cable. After that, the distance between the adjustable roller 221 and the fixed roller 210 can be controlled according to the thickness of the cable. Then, the adjustment unit 222 is fixed to the mounting frame 100 so that the cable is limited between the adjustable roller 221 and the fixed roller 210. Then, the entire cable fault early warning device is pushed along the length of the cable so that the detection mechanism 300 can detect the entire cable.

[0046] It is understood that the cable fault early warning device of this utility model limits the cable between the adjustable roller 221 and the fixed roller 210. During the process of moving the entire cable fault early warning device along the length of the cable, the distance between the detection head 310 of the detection mechanism 300 and the cable remains unchanged. Furthermore, since the adjustable roller 221 and / or the fixed roller 210 can contact the cable and roll along the cable, the way to move the cable fault early warning device is also very convenient, which can reduce the labor intensity of the operator.

[0047] like Figure 1 As shown, the arrangement direction from the fixed roller 210 to the adjustable roller 221 is defined as the first direction. The adjustable roller assembly 220 can be assembled onto the mounting bracket 100 from a second direction opposite to the first direction. In this way, after the fixed roller 210 contacts the cable, the adjustable roller assembly 220 is assembled onto the mounting bracket 100 along the second direction, thus avoiding interference with the cable.

[0048] In some embodiments, the adjustment unit 222 includes a connecting frame 2221 and an adjustment member 2222. The connecting frame 2221 is connected to the adjustable roller 221, and the adjustment member 2222 is used to fix the connecting frame 2221 to the mounting frame 100.

[0049] Specifically, the bottom end of the connecting frame 2221 is connected to a second support shaft 223, and the adjustable roller 221 is sleeved on the second support shaft 223. The connecting member 120 is connected to the mounting frame 100 through the adjusting member 2222. The distance between the adjustable roller 221 and the fixed roller 210 can be changed depending on the connection position of the adjusting member 2222 and the connecting frame 2221.

[0050] Specifically, the connecting frame 2221 is provided with an adjustment hole 22211. The adjustment hole 22211 is elongated and its length direction is parallel to the spacing direction between the fixed roller 210 and the adjustable roller 221. The adjusting member 2222 is detachably inserted through the adjustment hole 22211 and connected to the mounting frame 100, and the adjusting member 2222 abuts against the connecting frame 2221.

[0051] The adjusting component 2222 includes a bolt and a nut. The bolt passes through the adjusting hole 22211 and is connected to the mounting bracket 100 through the nut. The distance between the adjustable roller 221 and the fixed roller 210 can be changed depending on the position of the bolt passing through the adjusting hole 22211.

[0052] Please refer to Figure 2 and Figure 3In some embodiments, the connecting frame 2221 is provided with an adjustment hole 22211, which is elongated and parallel to the spacing direction between the fixed roller 210 and the adjustable roller 221. The adjusting member 2222 is detachably inserted through the adjustment hole 22211 and connected to the mounting frame 100. The adjusting member 2222 and the connecting frame 2221 are in a loose state. The connecting member 120 can move relative to the mounting frame 100 along the spacing direction between the fixed roller 210 and the adjustable roller 221. The adjusting unit 222 also includes an elastic member 224, one end of which is connected to the mounting frame 100 and the other end is connected to the adjustable roller 221. The elastic member 224 is used to make the adjustable roller 221 tend to move toward the fixed roller 210.

[0053] The elastic element 224 can be a spring or an elastic rope. The elastic element 224 can adaptively adjust the distance between the adjustable roller 221 and the fixed roller 210 according to the cable diameter. Furthermore, in this embodiment, if the cable is partially bent, the distance between the adjustable roller 221 and the fixed roller 210 will change under the action of the elastic element 224, based on the force exerted on the adjustable roller 221 by the cable, thereby facilitating the passage of the cable fault warning device.

[0054] Furthermore, a first connecting part 225 is fixed on the mounting bracket 100, a second connecting part is fixed on the connecting bracket 2221, and the two ends of the elastic member 224 are respectively connected to the first connecting part 225 and the second connecting part.

[0055] Specifically, a fixing seat 226 is fixed on the mounting bracket 100. The fixing seat 226 is fixed to the mounting bracket 100 through a first connecting part 225. The connecting bracket 2221 is connected to the fixing seat 226 through an adjusting member 2222. The second connecting part is the end of the second support shaft 223.

[0056] like Figure 2 As shown, in some embodiments, the adjustable roller 221 and the fixed roller 210 are symmetrically arranged. This improves the uniformity of cable stress.

[0057] Furthermore, the cross-sectional area of ​​the adjustable roller 221 gradually increases from the middle to both ends; the cross-sectional area of ​​the fixed roller 210 also gradually increases from the middle to both ends. Thus, after the cable is threaded through the passage space between the fixed roller 210 and the adjustable roller 221, the risk of the cable coming loose from the side of the passage space can be reduced.

[0058] like Figure 1As shown, in some embodiments, the cable fault warning device also includes a handle 400 attached to a mounting bracket. The handle 400 is convenient for inspectors to grip, allowing them to push the cable fault warning device along the cable.

[0059] Furthermore, the handle 400 is provided with a mounting hole 410, and the cable fault warning device also includes a detachable traction rod that passes through the mounting hole 410.

[0060] The assembly hole 410 can be a threaded hole, and the traction rod has a threaded section that passes through the threaded hole.

[0061] Understandably, depending on the height of the cable installation, a pull rod of appropriate length can be selected so that the inspection personnel can move the cable fault warning device without bending over or raising their hands, thus reducing labor intensity.

[0062] When using the cable fault early warning device of this utility model, firstly, the adjustable roller assembly 220 is separated from the mounting frame 100. Then, the fixed roller 210 is brought into contact with the cable. After that, the distance between the adjustable roller 221 and the fixed roller 210 can be controlled according to the thickness of the cable. Then, the adjustment unit 222 is fixed to the mounting frame 100 so that the cable is limited between the adjustable roller 221 and the fixed roller 210. Then, the entire cable fault early warning device is pushed along the length of the cable so that the detection mechanism 300 can detect the entire cable.

[0063] It is understood that the cable fault early warning device of this utility model, by limiting the cable between the adjustable roller 221 and the fixed roller 210, can keep the distance between the detection head 310 of the detection mechanism 300 and the cable constant during the process of pushing the entire cable fault early warning device to move along the length of the cable. Furthermore, since the adjustable roller 221 and / or the fixed roller 210 can contact the cable and roll along the cable, the cable can bear at least part of the weight of the cable fault early warning device. The way to move the cable fault early warning device is also very convenient, which can reduce the labor intensity of the operator.

[0064] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0065] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cable fault early warning device, characterized in that, include: The mounting bracket includes two mounting plates arranged side by side with a gap between them, and a connector connecting the two mounting plates; The roller mechanism includes a fixed roller and an adjustable roller assembly. The fixed roller is disposed between two mounting plates. The adjustable roller assembly includes an adjustment unit detachably connected to the mounting frame and an adjustable roller connected to the adjustment unit. The adjustable roller and the fixed roller are spaced apart and arranged side by side, and a cable passage space is formed between the adjustable roller and the fixed roller for the cable to pass through. The adjustment unit can be operatively adjusted to adjust the distance between the adjustable roller and the fixed roller. The testing mechanism is mounted on the mounting frame, with its testing head facing the cable passing through the cable passage.

2. The cable fault early warning device according to claim 1, characterized in that, The arrangement direction from the fixed roller to the adjustable roller is defined as a first direction, and the adjustable roller assembly can be assembled to the mounting frame from a second direction opposite to the first direction.

3. The cable fault early warning device according to claim 1, characterized in that, The adjustment unit includes a connecting frame and an adjusting component. The connecting frame is connected to the adjustable roller, and the adjusting component is used to fix the connecting frame to the mounting frame.

4. The cable fault early warning device according to claim 3, characterized in that, The connecting frame is provided with an adjustment hole, which is elongated and parallel to the spacing between the fixed roller and the adjustable roller. The adjusting member is detachably inserted through the adjustment hole and connected to the mounting frame, and the adjusting member abuts against the connecting frame.

5. The cable fault early warning device according to claim 3, characterized in that, The connecting frame is provided with an adjustment hole, which is elongated and parallel to the spacing direction between the fixed roller and the adjustable roller. The adjusting member is detachably inserted through the adjustment hole and connected to the mounting frame. The adjusting member is loosely connected to the connecting frame, and the connecting member can move relative to the mounting frame along the spacing direction between the fixed roller and the adjustable roller. The adjustment unit further includes an elastic element, one end of which is connected to the mounting bracket and the other end of which is connected to the adjustable roller. The elastic element is used to make the adjustable roller tend to move toward the fixed roller.

6. The cable fault early warning device according to claim 5, characterized in that, The mounting bracket is fixed with a first connecting part, the connecting bracket is fixed with a second connecting part, and the two ends of the elastic member are respectively connected to the first connecting part and the second connecting part.

7. The cable fault early warning device according to claim 1, characterized in that, The axis of the adjustable roller is parallel to the axis of the fixed roller, and the adjustable roller and the fixed roller are arranged symmetrically.

8. The cable fault early warning device according to claim 7, characterized in that, The cross-sectional area of ​​the adjustable roller gradually increases from the middle to both ends; the cross-sectional area of ​​the fixed roller gradually increases from the middle to both ends.

9. The cable fault early warning device according to claim 1, characterized in that, It also includes a handle attached to the mounting bracket.

10. The cable fault early warning device according to claim 9, characterized in that, The handle is provided with an assembly hole, and the cable fault early warning device also includes a detachable traction rod that passes through the assembly hole.

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