Fault detection device for high-voltage direct-current transmission line

Abstract

The utility model discloses a high-voltage direct-current transmission line fault detection device, which particularly relates to the technical field of circuit detection and comprises a first protective shell, a second protective shell is arranged on the left side of the first protective shell, and penetrating holes are formed in the front sides and the rear sides of the first protective shell and the second protective shell. The first protective shell and the second protective shell are each internally provided with a stabilizing assembly. The stabilizing assembly comprises two springs, one side of each spring is fixedly connected with a movable plate, and sliding grooves are formed in the two sides of each movable plate. Compared with the prior art, by arranging the stabilizing assembly, when the two clamping rings are in contact with the high-voltage direct-current power transmission line, the movable plate is pushed through the fixing rod to extrude the two springs, and then the driving wheels are clamped and fixed to the two sides of the high-voltage direct-current power transmission line, so that the high-voltage direct-current power transmission line detection device can adapt to high-voltage direct-current power transmission line detection devices of different sizes; and meanwhile, the two detection heads can be kept relatively stable during detection, so that the accuracy and reliability of detection data are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit detection technical field more specifically, the utility model relates to a kind of high voltage direct current transmission line fault detection device. BACKGROUND

[0002] With the continuous growth of power demand and the continuous expansion of power network, the traditional alternating current transmission mode has been unable to meet the power transmission demand of long distance, large capacity and low loss in some scenarios.

[0003] The existing power transmission line fault detection device needs to be carried to high altitude for operation when used by staff, which is inconvenient to carry and inconvenient to operate when the staff needs to hold the device for detection in high altitude.

[0004] Through the search, a kind of power transmission line fault detection device is disclosed in Chinese patent with publication number CN214335111U, by the setting of hanging rope, can be hung on the neck when the staff carries high-altitude operation, does not hinder the movement of staff, while detecting, does not occupy the hands of staff, is conducive to the operation of staff, improves detection efficiency.

[0005] The above-mentioned power transmission line fault detection device may need to replace different detection devices when detecting different high-voltage direct current transmission lines, and may be inclined when replacing the detection device, which may cause it to be unable to accurately monitor the state and fault of the high-voltage direct current transmission line, reducing the detection efficiency. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high-voltage direct current transmission line fault detection device to solve the problems raised in the above background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0008] A high-voltage direct current transmission line fault detection device, comprising a first protective shell, a second protective shell is arranged on the left side of the first protective shell, perforations are formed on the front and back sides of the first protective shell and the second protective shell, and a stabilizing assembly is installed inside the first protective shell and the second protective shell.

[0009] The stable assembly includes two springs, one side of each of the two springs is fixedly connected with a movable plate, both sides of the movable plate are installed with a sliding groove, the front top of the movable plate is fixedly connected with two first supporting plates, the bottom of each of the two first supporting plates is installed with a driving motor, the output end of each of the two driving motors is installed with a driving wheel, the bottom of each of the two driving wheels is installed with a second supporting plate, the middle of the front side of the movable plate is fixedly connected with a fixed rod, one end of the fixed rod is fixedly connected with a clamping ring, and one side of the fixed rod is provided with a detection head.

[0010] By adopting the above technical scheme: two perforations are arranged on the front and back sides of the first protective shell and the second protective shell, a plurality of springs are fixedly bonded to one end of the inner side of the first protective shell and the second protective shell, one side of each of the two movable plates is fixedly bonded to one end of the two springs, two first supporting plates are fixedly connected to the top front of the movable plate, a plurality of sliding grooves are arranged on the two sides of the inside of the first protective shell and the second protective shell, two driving motors are installed at the bottom of the first supporting plate, two driving wheels are installed on the output end of the driving motor, two second supporting plates are installed at the bottom of the driving wheel, two fixed rods are fixedly connected to the middle of the front side of the movable plate, one end of each of the two fixed rods is fixedly connected with a clamping ring, and two detection heads are installed on one side of the fixed rod.

[0011] As a further description of the above technical scheme: the top of the first protective shell and the second protective shell is fixedly connected with a connecting block, and a bolt is installed in the inside of each of the two connecting blocks.

[0012] By adopting the above technical scheme: a plurality of connecting blocks are fixedly connected to the top of the first protective shell and the second protective shell, and two bolts are threadedly connected to the inside of the two connecting blocks.

[0013] As a further description of the above technical scheme: the inside bottom of the first protective shell and the second protective shell is installed with a fixed plate, and the left and right sides of each of the two fixed plates are installed with a sliding rail.

[0014] By adopting the above technical scheme: two fixed plates are installed at the inside bottom of the first protective shell and the second protective shell, and a plurality of sliding rails are fixedly connected to the two sides of the two fixed plates.

[0015] As a further description of the above technical scheme: a plurality of sliding rails are installed with a sliding block.

[0016] By adopting the above technical scheme: a plurality of sliding blocks are slidingly connected to the inside of the sliding rail.

[0017] As a further description of the above technical scheme: the bottom of each of the two fixed plates is fixedly connected with a maintenance box, and the middle of the bottom of the maintenance box is fixedly connected with a warning light.

[0018] The top of the maintenance box is fixedly connected with the bottom ends of the two fixed plates, and the warning lamp is installed at the middle part of the bottom end of the maintenance box.

[0019] As further description of the above technical scheme: the two sides of the movable plate are slidably connected with the inside of the sliding groove, and the bottom ends of the two driving wheels are rotatably connected with the inside of one end of the second supporting plate.

[0020] By adopting the above technical scheme: the inside of the sliding groove is slidably connected with the left and right sides of the movable plate, and the bottom ends of the two driving wheels are rotatably connected with the inside of one end of the second supporting plate.

[0021] As further description of the above technical scheme: the two sides of the movable plate are slidably connected with the inside of the sliding groove, and the bottom ends of the two driving wheels are rotatably connected with the inside of one end of the second supporting plate.

[0022] By adopting the above technical scheme: the two sides of the movable plate are slidably connected with the inside of the sliding groove, and the bottom ends of the two driving wheels are rotatably connected with the inside of one end of the second supporting plate.

[0023] The technical effects and advantages of the present application are as follows:

[0024] 1. By setting the stabilizing assembly, compared with the prior art, when the two clamping rings contact the high-voltage direct current transmission line, the movable plate is pushed to extrude the two springs through the fixed rod, and then the multiple driving wheels are clamped on both sides of the high-voltage direct current transmission line, which can adapt to different sizes of high-voltage direct current transmission line detection devices, and the two detection heads can be kept relatively stable during detection, ensuring the accuracy and reliability of the detection data.

[0025] 2. By setting the connecting block, bolt and fixed plate, compared with the prior art, by sliding multiple sliding blocks in the sliding rails, the first protective shell and the second protective shell can be easily separated, and then the two bolts are threadedly connected with the two connecting blocks, so that the first protective shell and the second protective shell can be easily fixed, the first protective shell and the second protective shell can be quickly installed on both sides of the high-voltage direct current transmission line, the installation efficiency is improved, the human operation during installation is reduced, and the convenience of the detection device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0027] Figure 2 It is a schematic diagram of the sliding rail structure of the present application.

[0028] Figure 3 It is a schematic diagram of the clamping ring structure of the present application.

[0029] Figure 4 It is a schematic diagram of the connecting block structure of the present application.

[0030] Figure 5 It is the fixed rod structure schematic view of the utility model.

[0031] Figure 6 It is the fixed rod structure schematic view of the utility model.

[0032] The figure mark is: 1, first protective shell;2, second protective shell;3, perforation;4, spring;5, movable plate;6, sliding slot;7, first support plate;8, drive motor;9, drive wheel;10, second support plate;11, fixed rod;12, clamping ring;13, connecting block;14, bolt;15, fixed plate;16, slide rail;17, sliding block;18, overhauling box;19, warning light;20, detection head. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] The application discloses a kind of high-voltage direct current transmission line fault detection devices, including first protective shell 1, first protective shell 1 left side is provided with second protective shell 2, first protective shell 1 and second protective shell 2 are both opened with perforation 3 in front and back two sides, first protective shell 1 and second protective shell 2 are both installed with stabilizing component in inside;

[0035] The stable assembly comprises two springs 4, the two springs 4 are fixedly connected with a movable plate 5 on one side, the movable plate 5 is provided with a sliding groove 6 on both sides, the movable plate 5 is fixedly connected with two first supporting plates 7 at the top front end, the two first supporting plates 7 are provided with a driving motor 8 at the bottom, the driving motor 8 is provided with a driving wheel 9 at the output end, the driving wheel 9 is provided with a second supporting plate 10 at the bottom end, the movable plate 5 is fixedly connected with a fixed rod 11 at the middle front side, the fixed rod 11 is fixedly connected with a clamping ring 12 at one end, the fixed rod 11 is provided with a detection head 20 on one side, the movable plate 5 is slidably connected with the sliding groove 6 on both sides, the driving wheel 9 is rotatably connected with the second supporting plate 10 at the bottom end, the high-voltage direct-current transmission line penetrates in the two perforations 3, so that the two clamping rings 12 can be clamped and fixed on both sides of the high-voltage direct-current transmission line, when the two clamping rings 12 contact the high-voltage direct-current transmission line, the two clamping rings 12 are pushed to extrude the two springs 4 through the fixed rod 11, the multiple springs 4 are contracted, so that the two clamping rings 12 can be more closely attached to the surface of the high-voltage direct-current transmission line, at the same time, the multiple driving wheels 9 can roll on both sides of the high-voltage direct-current transmission line, at the same time, the multiple driving motors 8 drive the driving wheels 9 to rotate on both sides of the high-voltage direct-current transmission line, so that the multiple driving wheels 9 drive the spring 4 and the second protective shell 2 to move on the high-voltage direct-current transmission line, and the two detection heads 20 detect the surface of the high-voltage direct-current transmission line.

[0036] Referring to Figure 4 As shown in the figure, the first protective shell 1 and the second protective shell 2 are fixedly connected with a connecting block 13 at the top, the two connecting blocks 13 are provided with a bolt 14 inside, the two bolts 14 are threadedly connected with the two fixed rods 11 inside, so as to fix the first protective shell 1 and the second protective shell 2, which can effectively prevent the first protective shell 1 and the second protective shell 2 from falling off during detection, and can keep the first protective shell 1 and the second protective shell 2 stable during movement.

[0037] Referring to Figure 2 As shown in the figure, the first protective shell 1 and the second protective shell 2 are provided with a fixed plate 15 at the bottom inside, the two fixed plates 15 are provided with a sliding rail 16 on both sides, the multiple sliding rails 16 are provided with a sliding block 17 inside, the two sliding rails 16 are fixedly connected with the two fixed plates 15 on both sides through screws, the multiple sliding blocks 17 are slidably connected with the sliding rail 16 inside, the first protective shell 1 and the second protective shell 2 can slide in the sliding rail 16 through the two sliding blocks 17, so that the two first protective shells 1 and the second protective shells 2 can move and separate on the fixed plate 15, so that the first protective shell 1 and the second protective shell 2 can be quickly installed on the high-voltage direct-current transmission line, and the installation efficiency of the detection device is improved.

[0038] Referring to Figure 1As shown, the bottom of each of the two fixing plates 15 is fixedly connected with an inspection box 18, the bottom end of the inspection box 18 is fixedly connected with a warning light 19, the inspection box 18 can receive and transmit detection data of the two detection heads 20, so that the detection data can be known by the staff, and the warning light 19 is used for reminding the staff to timely detect problems, so that the staff can quickly maintain and adjust.

[0039] The utility model discloses a high voltage direct current transmission line fault detection device, specific structure is as follows Figures 1-6 As shown, in the technical scheme, through the mutual cooperation between various structures, first, the first protective shell 1 and the second protective shell 2 are pulled to the left and right, the two sliding blocks 17 in the bottom of the first protective shell 1 and the second protective shell 2 slide in the slide rails 16, so that the first protective shell 1 and the second protective shell 2 can be separated, then the high voltage direct current transmission line is placed in the two perforations 3, then the first protective shell 1 and the second protective shell 2 are closed, so that the two connecting blocks 13 at the top of the first protective shell 1 and the second protective shell 2 are connected together, then the two bolts 14 are inserted into the two connecting blocks 13, the first protective shell 1 and the second protective shell 2 are fixed through the two bolts 14, when the first protective shell 1 and the second protective shell 2 are fixed, the two clamping rings 12 are driven to clamp and fix the high voltage direct current transmission line, the two fixed rods 11 push the movable plate 5 to press the two springs 4, so that the two clamping rings 12 can adapt to different high voltage direct current transmission lines, and at the same time, the plurality of driving wheels 9 can clamp and fix the high voltage direct current transmission line, then the two driving motors 8 in the first protective shell 1 and the second protective shell 2 are started, the plurality of driving motors 8 drive the driving wheels 9 to rotate, one end of the two second supporting plates 10 supports the driving wheels 9 to rotate, so that the plurality of driving wheels 9 can drive the first protective shell 1 and the second protective shell 2 to move on the high voltage direct current transmission line, when the first protective shell 1 and the second protective shell 2 move, the two detection heads 20 in the interior can detect the high voltage direct current transmission line, and finally the warning light 19 gives an alarm, so that the staff can find detection problems.

[0040] Among them, the utility model discloses an embodiment drawing, only relate to the structure involved in the embodiment of the disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0041] Finally: the above only for preferred embodiment of the utility model has, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made in the spirit and principle of the utility model, should include in the protection scope of the utility model.

Claims

1. A high voltage direct current transmission line fault detection apparatus comprising a first containment shell (1), characterised in that: The first protective shell (1) is provided with a second protective shell (2) on the left side, and the first protective shell (1) and the second protective shell (2) are provided with perforations (3) on the front and back sides, and the first protective shell (1) and the second protective shell (2) are internally provided with a stabilizing assembly; The stabilizing assembly comprises two springs (4), and the two springs (4) are fixedly connected with a movable plate (5) on one side, and the movable plate (5) is provided with a sliding groove (6) on both sides, and the movable plate (5) is fixedly connected with two first supporting plates (7) on the top front side, and the two first supporting plates (7) are provided with a driving motor (8) on the bottom, and the two driving motors (8) are provided with a driving wheel (9) on the output end, and the two driving wheels (9) are provided with a second supporting plate (10) on the bottom, and the movable plate (5) is fixedly connected with a fixed rod (11) on the middle front side, and the fixed rod (11) is fixedly connected with a clamping ring (12) on one end, and the fixed rod (11) is provided with a detection head (20) on one side.

2. The HVDC line fault detection apparatus of claim 1, wherein: The first protective shell (1) and the second protective shell (2) are fixedly connected with a connecting block (13) on the top, and the two connecting blocks (13) are internally provided with a bolt (14).

3. The HVDC line fault detection apparatus of claim 1, wherein: The first protective shell (1) and the second protective shell (2) are internally provided with a fixed plate (15) on the bottom, and the two fixed plates (15) are provided with a sliding rail (16) on both sides, and the sliding rail (16) is internally provided with a sliding block (17).

4. The HVDC line fault detection apparatus of claim 3, wherein: The two fixed plates (15) are fixedly connected with a maintenance box (18) on the bottom, and the maintenance box (18) is fixedly connected with a warning light (19) on the middle bottom.

5. The HVDC line fault detection apparatus of claim 1, wherein: The movable plate (5) is slidably connected with the sliding groove (6) on both sides, and the two driving wheels (9) are rotatably connected with the second supporting plate (10) on the bottom.

6. The HVDC line fault detection apparatus of claim 3, wherein: The two sliding rails (16) are fixedly connected with the two fixed plates (15) on both sides through screws, and the sliding blocks (17) are slidably connected with the sliding rail (16) on the inside.

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