Power transmission line fault positioning structure

Abstract

The utility model provides a power transmission line fault positioning structure comprising an upper housing and a lower housing, the lower housing is internally provided with a fault detector, the upper housing is provided with a first cable positioning assembly, and the lower housing is provided with a second cable positioning assembly. Each of the first cable positioning assembly and the second cable positioning assembly comprises a guide rod, a spring, a connecting block, a mounting frame, a cable pressing wheel, an adjusting rod and a sliding block, the lower end of the guide rod is connected with the connecting block, the connecting block is slidably connected with the mounting frame, the cable pressing wheel is rotatably mounted on the mounting frame, and the adjusting rod is rotatably mounted on the mounting frame; the upper shell and the lower shell are each provided with an extending part, the extending parts are provided with receding grooves, and the sliding blocks are installed in the receding grooves in a sliding mode. The cable detection device can solve the technical problems that in the prior art, as the sizes of arc-shaped structures arranged on the side faces of the walking wheel and the positioning wheel are fixed, the device can only be suitable for detection of cables of one specification, and if cables of different specifications are detected, the walking wheel and the positioning wheel need to be replaced, and operation is inconvenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to a transmission line fault locating structure. Background Art

[0002] At present, the number of high-voltage transmission lines is increasing. The terrain through which high-voltage transmission lines pass is complex, the climatic conditions are bad, and the faults are of various types and have a wide range, causing transmission line short circuits, tripping, and tripping, resulting in large-scale power outages. When a large number of rural lines, especially those in mountainous areas, have grounding and short circuit faults, the method of power outage is still used to judge by section by section.

[0003] Ginseng Figure 1 The utility model with application number: CN202321266196.X (hereinafter referred to as prior art 1) discloses a distributed fault precise positioning device for a power transmission line, which belongs to the technical field of power equipment, and comprises: a lower shell and an upper shell, the upper shell is detachably mounted on the top of the lower shell, semicircular holes are provided on the front and rear sides of the upper shell and the lower shell, two mounting plates are fixedly mounted on the bottom inner wall of the lower shell, fault detectors are fixedly mounted on the top of the two mounting plates, and two compression springs are fixedly connected to the top inner wall of the upper shell.

[0004] In actual use, the prior art 1 realizes automatic movement by means of the provided traveling wheels, and realizes the positioning of the cable by means of the provided positioning wheels contacting the cable; however, since the arc-shaped structure provided on the sides of the traveling wheels and the positioning wheels has a fixed size, it can only be used for detecting cables of one specification. If the traveling wheels and the positioning wheels need to be replaced for detecting cables of different specifications, the operation is very inconvenient. Utility Model Content

[0005] The purpose of the utility model is to provide a transmission line fault locating structure, which can solve the technical problem in the prior art that the arc-shaped structure arranged on the side of the running wheel and the positioning wheel is fixed in size and can only be used for cable detection of one specification. If the running wheel and the positioning wheel need to be replaced for detecting cables of different specifications, the operation is very inconvenient.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A transmission line fault locating structure comprises an upper shell and a lower shell, wherein a fault detector is arranged in the lower shell, a first cable locating assembly is installed on the upper shell, and a second cable locating assembly is arranged on the lower shell.

[0008] The first and second cable positioning assemblies each include a guide rod, a spring, a connecting block, a mounting frame, a crimping wheel, an adjusting rod and a slider, the lower end of the guide rod is connected to the connecting block, the connecting block is slidably connected to the mounting frame, the crimping wheel is rotatably mounted on the mounting frame, and the adjusting rod is rotatably mounted on the mounting frame;

[0009] The upper shell and the lower shell are both provided with an extension part, the extension part is provided with a clearance groove, the slider is slidably installed in the clearance groove, the slider is provided with a threaded hole, the adjustment rod is provided with an external thread matching the threaded hole, the spring is sleeved on the guide rod, and the guide rod is used for sliding installation on the upper shell and the lower shell;

[0010] The crimping wheel is provided with a plurality of arc grooves with different diameters, and the mounting frame in the first or second cable positioning assembly is provided with a driving motor connected with the crimping wheel.

[0011] The positions of the arc grooves with different diameters on the crimping wheel in the first cable positioning assembly are opposite to the positions of the arc grooves with different diameters on the crimping wheel in the second cable positioning assembly.

[0012] Furthermore, both the upper shell and the lower shell are provided with mounting tubes, and the guide rod passes through the mounting tubes and is slidably connected to the mounting tubes.

[0013] As an option, the connection block is provided with a T-shaped or dovetail-shaped protrusion, and the mounting frame is provided with a T-shaped slide groove or a dovetail-shaped slide groove matching with the T-shaped or dovetail-shaped protrusion.

[0014] The adjusting rod and the mounting frame are rotatably connected via a bearing.

[0015] Preferably, a vertical slide groove is arranged in the yield groove, and the sliding block is slidably arranged in the vertical slide groove.

[0016] Wherein, a limited end is arranged at the upper end of the guide rod.

[0017] Furthermore, an adjustment cap with anti-slip patterns is provided at the end of the adjustment rod.

[0018] The upper shell is hinged to the lower shell at one end, and the other end is connected by bolts or buckles.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model mainly realizes the detection of wire faults by means of a fault detector, and realizes the fixation of the wires by means of the first and second cable positioning components. When performing the detection, the corresponding arc groove can be selected according to the specifications of the wire to be tested, and the position of the mounting frame can be adjusted by rotating the adjusting rod, so that the arc grooves of uniform specifications on the crimping wheels in the first and second cable positioning components are aligned, and the guide rod drives the connecting block to move toward the wire under the action of the spring, so that the cable is located in the wire groove formed by the corresponding arc groove. At this time, under the action of the motor, the crimping wheel rotates, and then the utility model automatically moves on the wire to realize the detection of the real cable. Since a plurality of arc grooves with different diameters are arranged on the crimping wheel, when using it, it is only necessary to select the appropriate arc groove according to the specifications of the wire, and it can be applicable to the detection of wires of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of prior art 1.

[0023] Figure 2 This is one of the overall structural schematic diagrams of the utility model.

[0024] Figure 3 This is the second schematic diagram of the overall structure of the utility model.

[0025] Reference numerals:

[0026] 101-upper shell, 102-lower shell, 103-fault detector, 104-first cable positioning assembly, 105-second cable positioning assembly, 106-guide rod, 107-spring, 108-connecting block, 109-mounting frame, 110-wire pressing wheel, 111-adjusting rod, 112-slider, 113-allowing groove, 114-threaded hole, 115-arc groove, 116-driving motor, 117-wire groove, 118-mounting cylinder, 119-vertical slide groove, 120-limiting end, 121-adjusting cap, 122-pin shaft, 123-buckle, 124-extension part. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0030] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0031] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0033] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0034] See also Figure 2 and Figure 3 This embodiment discloses a transmission line fault location structure, including an upper shell 101 and a lower shell 102, wherein a fault detector 103 is arranged in the lower shell 102, a first cable location component 104 is installed on the upper shell 101, and a second cable location component 105 is arranged on the lower shell 102,

[0035] The first and second cable positioning assemblies each include a guide rod 106, a spring 107, a connecting block 108, a mounting frame 109, a crimping wheel 110, an adjusting rod 111 and a slider 112. The lower end of the guide rod 106 is connected to the connecting block 108, the connecting block 108 is slidably connected to the mounting frame 109, the crimping wheel 110 is rotatably mounted on the mounting frame 109, and the adjusting rod 111 is rotatably mounted on the mounting frame 109;

[0036] The upper shell 101 and the lower shell 102 are both provided with an extension portion 124, and the extension portion 124 is provided with a clearance groove 113, the slider is slidably installed in the clearance groove 113, the slider 112 is provided with a threaded hole 114, the adjustment rod 111 is provided with an external thread matching the threaded hole 114, the spring 107 is sleeved on the guide rod 106, and the guide rod 106 is used for sliding installation on the upper shell 101 and the lower shell 102;

[0037] The crimping wheel 110 is provided with a plurality of arc grooves 115 with different diameters, and the mounting frame 109 in the first or second cable positioning assembly is provided with a driving motor 116 connected to the crimping wheel 110 .

[0038] In actual use, both ends of the upper shell 101 and the lower shell 102 are provided with wire holes for allowing the cables to pass through the upper shell 101 and the lower shell 102, and the inner wall of the arc groove 115 is provided with anti-slip grooves to avoid slipping.

[0039] The utility model mainly realizes the detection of wire faults by the provided fault detector 103, and realizes the fixation of the wires by the provided first and second cable positioning assemblies; when performing the detection, the corresponding arc groove 115 can be selected according to the specifications of the wire to be tested, and the position of the mounting frame 109 can be adjusted by rotating the adjusting rod 111, so that the arc grooves 115 of uniform specifications on the wire pressing wheels 110 in the first and second cable positioning assemblies are aligned, and under the action of the spring 107, the guide rod 106 drives the connecting block 108 to move toward the wire direction, so that the cable is located in the wire groove 117 formed by the corresponding arc groove 115, and at this time, under the action of the driving motor, the wire pressing wheel 110 is rotated, so that the utility model automatically moves on the wire, and the fault detector 103 realizes the detection of the real cable; because the wire pressing wheel 110 is provided with a plurality of arc grooves 115 of different diameters, when using it, it is only necessary to select the appropriate arc groove 115 according to the specifications of the wire, and it can be applicable to the detection of wires of various specifications.

[0040] In actual use, the diameter of the arc groove 115 can be set according to the cable specifications in the prior art, such as increasing by 1 mm from left to right.

[0041] Furthermore, the arc grooves 115 with different diameters on the crimping wheel 110 in the first cable positioning assembly 104 are located opposite to the arc grooves 115 with different diameters on the crimping wheel 110 in the second cable positioning assembly 105. This arrangement allows the mounting brackets 109 in the first and second cable positioning assemblies to be adjusted in opposite directions, so that the wire grooves 117 formed on the two crimping wheels 110 are located at the center of the device, thereby preventing the overall center of gravity of the device from shifting too much.

[0042] Among them, a mounting tube 118 is provided on both the upper shell 101 and the lower shell 102. The guide rod passes through the mounting tube 118 and is slidably connected to the mounting tube 118. The mounting tube 118 can guide the guide rod, increase the contact area of ​​the guide rod, and make the guide rod more stable when moving.

[0043] Furthermore, the connection block 108 is provided with a T-shaped or dovetail-shaped protrusion, and the mounting frame 109 is provided with a T-shaped sliding groove or a dovetail-shaped sliding groove matching with the T-shaped or dovetail-shaped protrusion.

[0044] In this embodiment, a dovetail protrusion and a dovetail slot are preferred, as such an arrangement can make it more convenient to adjust the position of the mounting bracket 109 .

[0045] The adjusting rod 111 and the mounting frame 109 are rotatably connected via a bearing.

[0046] Furthermore, a vertical slide groove 119 is provided in the clearance groove 113, and the slider 112 is slidably provided in the vertical slide groove 119. The vertical slide groove 119 can make the slider 112 more stable when sliding, and when the mounting frame 109 moves vertically, it can move vertically at any time under the action of the adjusting rod 111.

[0047] A limit end 120 is disposed at the upper end of the guide rod 106 .

[0048] Furthermore, an adjustment cap 121 with anti-slip texture is provided at the end of the adjustment rod 111, which makes adjustment more convenient.

[0049] In actual use, the adjustment rod 111 is provided with scales to facilitate quick identification of the position of the mounting bracket 109 in the upper shell 101 and the lower shell 102 , and to facilitate selection of the wire slot 117 .

[0050] Furthermore, the upper shell 101 and the lower shell 102 are hinged together at one end through a pin 122, and the other end is connected through a bolt or a buckle 123, so that the cable can be quickly clamped.

[0051] It should be noted that, in actual use, a plurality of first and second cable positioning components may be disposed in the upper shell 101 and the lower shell 102 to ensure that the cables are in a straight line inside the upper shell 101 and the lower shell 102 .

[0052] In actual use, the lower housing 102 is provided with a power source for supplying power to the fault detector 103 and the driving motor 116 , which may be a battery.

[0053] The utility model mainly improves the structure of the first and second cable positioning components to realize fault detection for cables of different specifications. The fault detector 103 can be a fault detector in the prior art, which will not be described in detail here.

[0054] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transmission line fault location structure, comprising an upper shell and a lower shell, wherein a fault detector is arranged in the lower shell, characterized in that: A first cable positioning assembly is installed on the upper shell, and a second cable positioning assembly is arranged on the lower shell. The first and second cable positioning assemblies each include a guide rod, a spring, a connecting block, a mounting frame, a crimping wheel, an adjusting rod and a slider, the lower end of the guide rod is connected to the connecting block, the connecting block is slidably connected to the mounting frame, the crimping wheel is rotatably mounted on the mounting frame, and the adjusting rod is rotatably mounted on the mounting frame; The upper shell and the lower shell are both provided with an extension part, the extension part is provided with a clearance groove, the slider is slidably installed in the clearance groove, the slider is provided with a threaded hole, the adjustment rod is provided with an external thread matching the threaded hole, the spring is sleeved on the guide rod, and the guide rod is used for sliding installation on the upper shell and the lower shell; The crimping wheel is provided with a plurality of arc grooves with different diameters, and the mounting frame in the first or second cable positioning assembly is provided with a driving motor connected with the crimping wheel.

2. A transmission line fault location structure according to claim 1, characterized in that: The positions of the arc grooves with different diameters on the crimping wheel in the first cable positioning assembly are opposite to the positions of the arc grooves with different diameters on the crimping wheel in the second cable positioning assembly.

3. A transmission line fault location structure according to claim 1, characterized in that: The upper shell and the lower shell are both provided with mounting tubes, and the guide rod passes through the mounting tubes and is slidably connected with the mounting tubes.

4. A transmission line fault location structure according to claim 1, characterized in that: The connecting block is provided with a T-shaped or dovetail-shaped protrusion, and the mounting frame is provided with a T-shaped sliding groove or a dovetail-shaped sliding groove matched with the T-shaped or dovetail-shaped protrusion.

5. A transmission line fault location structure according to claim 1, characterized in that: The adjusting rod and the mounting frame are rotatably connected via a bearing.

6. A transmission line fault location structure according to claim 1, characterized in that: A vertical slide groove is arranged in the yield groove, and the sliding block is slidably arranged in the vertical slide groove.

7. A transmission line fault location structure according to claim 1, characterized in that: A limited end is arranged at the upper end of the guide rod.

8. A transmission line fault location structure according to claim 1, characterized in that: An adjusting cap with anti-slip patterns is arranged at the end of the adjusting rod.

9. A transmission line fault location structure according to any one of claims 1 to 8, characterized in that: The upper shell is hinged to the lower shell at one end, and the other end is connected by bolts or buckles.

Images