Ground wire flaw excitation device and installation method thereof

Abstract

The application belongs to the technical field of power system maintenance, and provides a ground wire flaw detection excitation device, which comprises a box body, a support plate installed in the box body, an excitation device and a receiving device both arranged on the support plate, wherein the excitation device is used for detecting ground wire defects, a connecting plate installed in the box body, a threaded rod rotatably installed on the connecting plate, a threaded cylinder arranged on the threaded rod and used for fixing the excitation device and the receiving device, and a driving mechanism arranged in the box body and used for driving the threaded cylinder to fix the excitation device and the receiving device. The ground wire flaw detection excitation device and the installation method thereof can quickly and efficiently install the excitation device and the receiving device.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of power system maintenance, and particularly relates to a ground wire flaw detection excitation device and a mounting method thereof. BACKGROUND

[0002] The ground wire flaw detection excitation device is an important equipment for detecting internal defects or damages of metal components such as wires and ground wires in power system maintenance. Such devices usually work based on different physical principles to realize non-destructive testing of metal materials such as ground wires.

[0003] At present, before detecting the ground wire, the existing flaw detection excitation device needs to use bolts or clamps to fix the excitation device and the receiving device on the ground wire, and at the same time, the excitation device and the receiving device are spaced apart by a certain distance, and then the ground wire is detected. However, since the excitation device and the receiving device need to be manually installed on the ground wire by the operator, they cannot be automatically installed, resulting in low installation efficiency. SUMMARY

[0004] The present application provides a ground wire flaw detection excitation device and a mounting method thereof, aiming to solve the problem that the current excitation device cannot be quickly installed on the ground wire as proposed in the background technology.

[0005] To solve the above problems, the present application is realized as follows: a ground wire flaw detection excitation device, comprising: a box body and a support plate mounted in the box body; an excitation device and a receiving device both arranged on the support plate, the receiving device being used for detecting defects of the ground wire; a connecting plate mounted in the box body, a threaded rod being rotatably mounted on the connecting plate; a threaded cylinder being threadedly mounted on the threaded rod for fixing the excitation device and the receiving device; and a driving mechanism arranged in the box body for driving the threaded cylinder to fix the excitation device and the receiving device.

[0006] Preferably, the driving mechanism comprises: a fixed plate fixedly installed on the inner wall bottom of the box body; a rotating rod rotatably installed on the fixed plate; a first motor fixedly installed on the inner wall bottom of the box body; and a plurality of first bevel gears fixedly sleeved on the rotating rod, the output shaft of the first motor and the threaded rod, respectively, the plurality of first bevel gears being in meshing engagement.

[0007] Preferably, a guide rod is mounted on the connecting plate, a guide block is slidably mounted on the guide rod, the guide block is fixedly connected with the threaded cylinder, the top of the threaded cylinder is semi-circularly arranged, and the threaded cylinder, the threaded rod and the guide rod are all arranged in an inclined manner.

[0008] Preferably, the exciting device and the receiving device are both composed of a plurality of arc-shaped components hinged together, a connecting rod is rotatably installed in the box, and a group of connecting ropes are wound on the connecting rod, one end of a group of the connecting ropes are connected with the exciting device and the receiving device respectively.

[0009] Preferably, a first mounting plate and a second mounting plate are fixedly installed on the inner wall bottom of the box, the second mounting plate and the connecting rod are both provided with first chain wheels, a first chain is sleeved on a group of the first chain wheels, the first chain is engaged with a group of the first chain wheels, the first mounting plate and the output rod of the first chain wheel located on the second mounting plate are both equipped with second bevel gears, a group of the second bevel gears are engaged, the rotating rod and the output rod of the second bevel gear located on the first mounting plate are both fixedly sleeved with second chain wheels, a second chain is sleeved on a group of the second chain wheels, and the second chain is engaged with a group of the second chain wheels.

[0010] Preferably, a cover plate is hingedly installed on the top of the box, U-shaped openings are formed on both sides of the box, the two U-shaped openings are both adapted to ground wires, and a silica gel pad is installed on the top end of the threaded cylinder.

[0011] Preferably, a clamping plate is rotatably installed on one side of the box, the clamping plate is located on one side of the U-shaped opening, an arc-shaped opening is formed on the bottom of the clamping plate, the arc-shaped opening is adapted to a ground wire, a positioning groove is formed on one side of the clamping plate, and a positioning block is slidably arranged on one side of the box and in sliding contact with the positioning groove.

[0012] Preferably, a connecting block is fixedly installed on one side of the box, a pull rod is slidably installed on the connecting block, one end of the pull rod is fixedly connected with the positioning block, a connecting spring is sleeved on the pull rod, both ends of the connecting spring are fixedly connected with the positioning block and the connecting block respectively, and the top of the positioning block is obliquely arranged.

[0013] Preferably, a hook is installed on one side of the cover plate, a lock catch is installed on one side of the box, the lock catch is adapted to the hook, and a handle is installed on the top of the cover plate.

[0014] Preferably, the installation method of the ground wire flaw detection exciting device comprises the following steps:

[0015] Step one: when in use, first open the cover plate, slide along the ground wire through the U-shaped opening, so that the ground wire is located in the box, then rotate the clamping plate to limit the box, and fix the box on the ground wire, thereby completing the quick installation of the box;

[0016] Step two: then start the drive mechanism, the output shaft of the first motor drives the first bevel gear to rotate, the first bevel gear drives the threaded rod to rotate through synchronous rotation with the rotating rod, the threaded rod drives the threaded cylinder to slide upwards, the threaded cylinder slides along the guide rod while sliding, ensuring that the threaded cylinder moves stably, when the threaded cylinder slides upwards, the top end of the threaded cylinder slides along the arc-shaped parts of the excitation device and the receiving device at the same time, meanwhile, a plurality of arc-shaped parts rotate and shrink to form a circle, so that the excitation device and the receiving device are sleeved on the ground wire, and the automatic fixing operation of the excitation device and the receiving device is completed;

[0017] Step three: after the installation of the excitation device and the receiving device, the external control device is operated, the excitation device emits signals, the signals emitted by the excitation device propagate along the axial direction to both ends of the ground wire, and are received when passing through the receiving device, then the receiving device transmits the captured signals to the control device, and the ground wire is detected through analysis of the received signals;

[0018] Step four: after the detection is completed, the threaded cylinder slides downwards away from the excitation device and the receiving device, and then the box body is taken off from the ground wire.

[0019] Compared with the related art, the ground wire detection excitation device and the installation method thereof have the following beneficial effects:

[0020] (1) Compared with the prior art, the ground wire detection excitation device and the installation method thereof detect the ground wire through analysis of the received signals, and realize the automatic fixing of the excitation device and the receiving device through the motor driving mode, without manual installation, so that the installation efficiency and the work efficiency are improved.

[0021] (2) As described above, the ground wire detection excitation device and the installation method thereof can quickly install the excitation device and the receiving device, and have high installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a front view of the ground wire detection excitation device provided by the application;

[0023] Figure 2 is a rear view of the ground wire detection excitation device provided by the application;

[0024] Figure 3 is a side view of the ground wire detection excitation device provided by the application;

[0025] Figure 4 is an installation diagram of the excitation device provided by the application;

[0026] Figure 5is the installation schematic view of the middle clamping plate and positioning block provided by the application;

[0027] Figure 6 is the assembly view of the middle connecting rod, connecting rope, excitation device and receiving device provided by the application;

[0028] Figure 7 is the assembly view of the middle bidirectional screw rod, sliding block and arc-shaped plate provided by the application;

[0029] Figure 8 is Figure 1 the enlarged structural schematic view of the A part shown in the middle;

[0030] Figure 9 is Figure 2 the enlarged structural schematic view of the B part shown in the middle;

[0031] Figure 10 is Figure 1 the enlarged structural schematic view of the C part shown in the middle.

[0032] Fig. 1 is a box body; 2 is a support plate; 3 is an excitation device; 4 is a receiving device; 5 is a connecting plate; 6 is a threaded rod; 7 is a threaded cylinder; 8 is a fixed plate; 9 is a rotating rod; 10 is a first motor; 11 is a first bevel gear; 12 is a guide rod; 13 is a guide block; 14 is a connecting rod; 15 is a connecting rope; 16 is a first mounting plate; 17 is a second mounting plate; 18 is a first sprocket; 19 is a first chain; 20 is a second bevel gear; 21 is a second sprocket; 22 is a second chain; 23 is a cover plate; 24 is a clamping plate; 25 is a positioning block; 26 is a connecting block; 27 is a pull rod; 28 is a connecting spring; 29 is a silica gel pad; 30 is a hook; 31 is a lock catch; 32 is a support block; 33 is a bidirectional screw rod; 34 is a sliding block; 35 is a clamping plate; 36 is a second motor; 37 is a third sprocket; 38 is a third chain; 39 is an arc-shaped plate; 40 is a counterweight base; 41 is a mounting groove; 42 is a storage battery. DETAILED DESCRIPTION

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and 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 the invention.

[0034] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0035] This invention provides a conductor and ground wire flaw detection excitation device and its installation method, such as... Figures 1-10 As shown, the conductor and ground wire flaw detection excitation device includes: a housing 1 and a support plate 2 installed inside the housing 1; an excitation device 3 and a receiving device 4, both mounted on the support plate 2, wherein the receiving device 4 is used to detect conductor and ground wire defects; a connecting plate 5 installed inside the housing 1, wherein a threaded rod 6 is rotatably mounted on the connecting plate 5; a threaded cylinder 7 threaded onto the threaded rod 6 for fixing the excitation device 3 and the receiving device 4; and a drive mechanism located inside the housing 1 for driving the threaded cylinder 7 to fix the excitation device 3 and the receiving device 4.

[0036] In use, in the embodiment, first, the box 1 is fixed on the ground wire, then the driving mechanism is started, the driving mechanism drives the threaded rod 6 to rotate, the threaded rod 6 drives the threaded cylinder 7 to slide upwards, when the threaded cylinder 7 slides upwards, the top end of the threaded cylinder 7 simultaneously slides along the arc-shaped parts of the excitation device 3 and the receiving device 4, meanwhile, the arc-shaped parts rotate and contract to form a circle, so that the excitation device 3 and the receiving device 4 are sleeved on the ground wire, after the excitation device 3 and the receiving device 4 are installed, the external control device is operated, the excitation device 3 sends signals of a specific frequency, the signals propagate in the ground wire and are reflected or scattered due to defects (such as cracks, corrosion, etc.), the signals sent by the excitation device 3 propagate axially to both ends of the ground wire, when passing through the receiving device 4, the signals are captured and converted into analyzable data for judging whether the ground wire has defects and the positions of the defects, then the receiving device 4 transmits the captured signals to the control device, the ground wire is detected through analysis of the received signals, the excitation device 3 and the receiving device 4 are automatically fixed by the motor driving mode, manual installation is not needed, and the installation efficiency and the work efficiency are improved.

[0037] In the further preferable embodiment of the application, the driving mechanism comprises a fixed plate 8 fixedly installed on the inner wall bottom of the box 1, a rotating rod 9 rotatably installed on the fixed plate 8, a first motor 10 fixedly installed on the inner wall bottom of the box 1, and a plurality of first bevel gears 11 fixedly sleeved on the rotating rod 9, the output shaft of the first motor 10 and the threaded rod 6, and the plurality of first bevel gears 11 are in meshing engagement.

[0038] In the embodiment, when the excitation device 3 and the receiving device 4 are installed, first, the first motor 10 is started, the output shaft of the first motor 10 drives the first bevel gears 11 to rotate, the first bevel gears 11 drive the threaded rod 6 to rotate through synchronous rotation with the rotating rod 9, the threaded rod 6 drives the threaded cylinder 7 to slide upwards, so that the threaded cylinder 7 installs the excitation device 3 and the receiving device 4, the complete automatic fixing of the excitation device 3 and the receiving device 4 is realized through the driving of the first motor 10 and the transmission of the first bevel gears 11, and the installation efficiency and the convenience are further improved.

[0039] In the further preferable embodiment of the application, the connecting plate 5 is provided with a guide rod 12, the guide rod 12 is slidably provided with a guide block 13, the guide block 13 is fixedly connected with the threaded cylinder 7, the top of the threaded cylinder 7 is provided in a semicircular shape, and the threaded cylinder 7, the threaded rod 6 and the guide rod 12 are all provided in an inclined manner.

[0040] In the embodiment, under the driving of the first motor 10, the threaded rod 6 rotates, and through the cooperation of the threads, the threaded cylinder 7 moves along the axial direction of the threaded rod 6, and at the same time, since the guide block 13 is fixedly connected with the threaded cylinder 7 and is slidingly installed on the guide rod 12, the movement of the threaded cylinder 7 is constrained by the guide rod 12, keeping straight and stable, which not only improves the adjustment accuracy, but also ensures the stability of the excitation device 3 and the receiving device 4 during the fixing process, and through the design of the guide rod 12 and the guide block 13, the deviation or shaking of the threaded cylinder 7 during the movement is effectively prevented, the stability of the whole device is improved, and at the same time, due to the constraint of the guide rod 12, the movement of the threaded cylinder 7 is more accurate and controllable, thereby improving the adjustment accuracy between the excitation device 3, the receiving device 4 and the ground wire.

[0041] In the further preferred embodiment of the application, the excitation device 3 and the receiving device 4 are both composed of a plurality of arc-shaped components hinged, a connecting rod 14 is rotatably installed in the box body 1, and a group of connecting ropes 15 are wound on the connecting rod 14, one end of the group of connecting ropes 15 is respectively connected with the excitation device 3 and the receiving device 4.

[0042] In the embodiment, when it is needed to remove the excitation device 3 from the ground wire, the driving mechanism is first started to drive the threaded cylinder 7 to slide downward, so that the threaded cylinder 7 slides downward away from the excitation device 3, and at the same time, the connecting rod 14 rotates to wind the connecting rope 15, so that the connecting rope 15 is wound on the connecting rod 14, and at the same time, one end of the connecting rope 15 drives the arc-shaped components of the excitation device 3 and the receiving device 4 to move, so that the arc-shaped components rotate away from the ground wire, thereby facilitating the subsequent disassembly operation of the box body 1, through the hinged design of the arc-shaped components, the excitation device 3 and the receiving device 4 can flexibly adapt to ground wires of different diameters and shapes, improving the universality and adaptability of the device, and through the cooperation of the connecting rod 14 and the connecting rope 15, the excitation device 3 and the receiving device 4 are conveniently limited, thereby being beneficial to subsequent use.

[0043] The first mounting plate 16 and the second mounting plate 17 are fixedly installed at the bottom of the inner wall of the box body 1, the first sprocket 18 is arranged on the second mounting plate 17 and the connecting rod 14, a group of the first sprockets 18 are sleeved with the first chain 19, the first chain 19 is engaged with a group of the first sprockets 18, the second bevel gear 20 is arranged on the output rod of the first sprocket 18 located on the second mounting plate 17 and the first mounting plate 16, a group of the second bevel gears 20 are engaged, the second sprocket 21 is fixedly sleeved on the output rod of the second bevel gear 20 located on the first mounting plate 16 and the rotating rod 9, and a group of the second sprockets 21 are sleeved with the second chain 22.

[0044] In the embodiment, when the driving mechanism is in operation, the rotating rod 9 drives the second sprocket 21 to rotate synchronously, so that the second sprocket 21 is used in cooperation with the second chain 22, the second bevel gear 20, the first sprocket 18 and the first chain 19, the synchronous rotation of the rotating rod 9 and the connecting rod 14 is realized, and then when the threaded cylinder 7 slides downward, the connecting rod 14 winds the connecting rope 15, and when the threaded cylinder 7 slides downward, the connecting rod 14 unwinds the connecting rope 15, so as to facilitate the installation of the exciting device 3 and the receiving device 4, the efficient transmission and conversion of power are realized by introducing the transmission mechanism such as the first chain 19, the second chain 22 and the second bevel gear 20, the energy loss is reduced, and the opening angle of the exciting device 3 and the receiving device 4 can be flexibly adjusted by adjusting the length of the connecting rope 15.

[0045] In the further preferred embodiment of the present application, the top of the box body 1 is hingedly connected with a cover plate 23, U-shaped openings are formed on the two sides of the box body 1, the two U-shaped openings are matched with ground wires, and the top end of the threaded cylinder 7 is provided with a silica gel pad 29.

[0046] In the embodiment, when the flaw detection exciting device needs to be installed on the ground wire, the box body 1 is first sleeved on the ground wire through the U-shaped opening, then the driving mechanism is started, the threaded cylinder 7 moves along the threaded rod 6 until the silica gel pad 29 is in close contact with the exciting device 3 and the receiving device 4, at this time, the exciting device 3 and the receiving device 4 are also attached to the ground wire through the hinged connection of the arc-shaped part of the threaded cylinder 7, and then the detection operation can be performed, the installation and use of the box body 1 are more convenient through the design of the U-shaped opening and the cover plate 23, the work efficiency is improved, and the sealing design of the cover plate 23 effectively prevents external impurities from entering the inside of the box body 1.

[0047] Further preferably, the box 1 is rotatably provided with a clamping plate 24 on one side, the clamping plate 24 is located on one side of the U-shaped opening, an arc-shaped opening is formed in the bottom of the clamping plate 24, the arc-shaped opening is matched with the ground wire, a positioning groove is formed in one side of the clamping plate 24, and a positioning block 25 is slidably arranged on one side of the box 1 and in sliding contact with the positioning groove.

[0048] In this embodiment, the device is preliminarily fixed on the ground wire through the cooperation of the U-shaped opening and the box 1, then the arc-shaped opening in the bottom of the clamping plate 24 is tightly attached to the ground wire by rotating the clamping plate 24, then the clamping plate 24 is locked in the fixed position by sliding the positioning block 25 into the positioning groove on the clamping plate 24, so that the box 1 is firmly fixed on the ground wire, and then the flaw detection work can be started, the fixation of the box 1 on the ground wire is more stable through the design of the clamping plate 24 and the positioning block 25, and the risk of sliding or falling in the use process is prevented, and the rotation of the clamping plate 24 and the sliding of the positioning block 25 are relatively simple and convenient, and the installation and disassembly efficiency is improved.

[0049] Further preferably, the box 1 is rotatably provided with a clamping plate 24 on one side, the clamping plate 24 is located on one side of the U-shaped opening, an arc-shaped opening is formed in the bottom of the clamping plate 24, the arc-shaped opening is matched with the ground wire, a positioning groove is formed in one side of the clamping plate 24, and a positioning block 25 is slidably arranged on one side of the box 1 and in sliding contact with the positioning groove.

[0050] In this embodiment, when the box 1 needs to be removed, the positioning block 25 is first slid along the connecting block 26 by pulling the pull rod 27 to disengage from the positioning groove on the clamping plate 24, then the clamping plate 24 is rotated to rotate away from the U-shaped opening, and then the box 1 can be removed, the convenient operation of the positioning block 25 is realized through the design of the pull rod 27 and the connecting spring 28, the user only needs to simply pull the pull rod 27 to complete the unlocking and locking operation of the positioning block 25, the inclined top of the positioning block 25 and the restoring force of the connecting spring 28 enable the positioning block 25 to be more stably locked in the positioning groove on the clamping plate 24, and the loosening or falling caused by vibration or external force in the use process is prevented.

[0051] Further preferably, the box 1 is rotatably provided with a clamping plate 24 on one side, the clamping plate 24 is located on one side of the U-shaped opening, an arc-shaped opening is formed in the bottom of the clamping plate 24, the arc-shaped opening is matched with the ground wire, a positioning groove is formed in one side of the clamping plate 24, and a positioning block 25 is slidably arranged on one side of the box 1 and in sliding contact with the positioning groove.

[0052] In the embodiment, when the cover plate 23 on the box body 1 needs to be opened or closed, the locking or releasing operation of the cover plate 23 can be completed by operating the lock buckle 31 to fix or release the hook 30, and the cooperation of the hook 30 and the lock buckle 31 can stably lock the cover plate 23 on the box body 1 in the closed state, prevent accidental opening caused by vibration or external force, and improve the safety in the detection process.

[0053] The application also provides a mounting method of the ground wire flaw detection excitation device, comprising the following steps:

[0054] Step one: when in use, first open the cover plate 23, slide along the ground wire through the U-shaped opening, so that the ground wire is located in the box body 1, then rotate the clamping plate 24 to limit the box body 1, so that the box body 1 is fixed on the ground wire, and the rapid installation of the box body 1 is completed;

[0055] Step two: then start the driving mechanism, so that the output shaft of the first motor 10 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the threaded rod 6 to rotate through synchronous rotation with the rotating rod 9, the threaded rod 6 drives the threaded cylinder 7 to slide upwards, the threaded cylinder 7 drives the guide block 13 to slide along the guide rod 12 at the same time, so as to ensure the stable movement of the threaded cylinder 7, when the threaded cylinder 7 slides upwards, the top end of the threaded cylinder 7 slides along the arc-shaped parts of the excitation device 3 and the receiving device 4 at the same time, at the same time, the plurality of arc-shaped parts are contracted to form a circle, so that the excitation device 3 and the receiving device 4 are sleeved on the ground wire, and the automatic fixing operation of the excitation device 3 and the receiving device 4 is completed;

[0056] Step three: after the excitation device 3 and the receiving device 4 are installed, operate the external control device, so that the excitation device 3 emits signals, the signals emitted by the excitation device 3 propagate to both ends of the ground wire along the axial direction, and are received when passing through the receiving device 4, then the receiving device 4 transmits the captured signals to the control device, and the ground wire is detected through the analysis of the received signals;

[0057] Step four: after the detection is completed, make the threaded cylinder 7 slide downwards away from the excitation device 3 and the receiving device 4, and then take down the box body 1 from the ground wire.

[0058] In order to further improve the use effect of the device, in addition to the above-mentioned scheme, the present scheme also has the following embodiments:

[0059] In another embodiment of the present application, one side of the box 1 is provided with a set of fixing mechanisms for fixing the box 1, which comprises: a support block 32 fixedly installed on one side of the box 1; a bidirectional screw 33 rotatably installed on the support block 32, a set of sliding blocks 34 being threadedly sleeved on the bidirectional screw 33; a set of clamping plates 35 fixedly installed on the set of sliding blocks 34 respectively; a second motor 36 fixedly installed on one side of the support block 32, an output shaft of the second motor 36 being fixedly connected with the bidirectional screw 33; a third sprocket 37 fixedly sleeved on the bidirectional screw 33, a third chain 38 being sleeved on the third sprocket 37, the third chain 38 being engaged with the third sprocket 37.

[0060] In the present embodiment, when it is necessary to fix the box 1, the second motor 36 is first started to drive the bidirectional screw 33 to rotate, since a set of sliding blocks 34 are threadedly sleeved on the bidirectional screw 33, with the rotation of the bidirectional screw 33, the set of sliding blocks 34 will move in the opposite direction, at the same time, the set of sliding blocks 34 slide along the arc-shaped plate 39 on the support block 32, and drive the clamping plates 35 to approach the ground wire, when the clamping plates 35 are in close contact with the ground wire, the continued rotation of the bidirectional screw 33 will make the clamping plates 35 generate sufficient clamping force to stably clamp the ground wire, in addition, by adjusting the transmission relationship between the third sprocket 37 and the third chain 38, the bidirectional screw 33 on both sides of the box 1 can be driven to work, which is convenient for the fixing operation of the box 1, and through the design of the fixing mechanism, the stable support and fixation of the box 1 in different working environments can be realized, and the displacement or tilting phenomenon caused by vibration or external force is prevented.

[0061] In another embodiment of the present application, a counterweight base 40 is installed at the bottom of the box 1, an installation groove 41 is formed in one side of the counterweight base 40, and a storage battery 42 is installed in the installation groove 41, the storage battery 42 being used for supplying power to the electrical equipment in the box 1.

[0062] In the present embodiment, in the working process of the flaw detection excitation device, the storage battery 42 converts the stored electrical energy into electric current through internal chemical reaction, and transmits the electric current to each electrical equipment in the box 1 through the circuit system, after receiving the electrical energy, these electrical equipment starts to execute their respective functions (such as the rotation of the first motor 10 and the second motor 36, and the detection of the excitation device 3 and the receiving device 4), so as to complete the flaw detection task, at the same time, the setting of the counterweight base 40 makes the device more stable when being placed or working, and reduces the risk of displacement or dumping caused by vibration or external force.

[0063] In summary, compared with the related art, the present device can more quickly install the excitation device 3 and the receiving device 4, and has high installation efficiency.

[0064] In several embodiments provided in the present application, it should be understood that the disclosed apparatus can be implemented in other ways.

[0065] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still make modifications to the features of the embodiments of the present application according to the circumstances without creative work, such as mutual combination, addition or deletion, or other adjustments, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope to be protected by the present application.

Claims

1. A ground wire inspection excitation device, characterized by, The utility model relates to a ground wire detection device, including: Box (1) and support plate (2) installed in the box (1); Excitation equipment (3) and receiving equipment (4) are all arranged on the support plate (2), and the receiving equipment (4) is used to detect ground wire defect; Connecting plate (5) is installed in the box (1), and threaded rod (6) is rotatably installed on the connecting plate (5); Threaded sleeve is set on the threaded rod (6) for fixing the excitation equipment (3) and the receiving equipment (4) threaded cylinder (7); Drive mechanism for driving threaded cylinder (7) to fix excitation equipment (3) and receiving equipment (4) is arranged in the box (1); The drive mechanism includes: Fixed plate (8) is fixedly installed on the bottom of the inner wall of the box (1); Rotary rod (9) is rotatably installed on the fixed plate (8); First motor (10) is fixedly installed on the bottom of the inner wall of the box (1); A plurality of first bevel gears (11) are fixedly sleeved on the rotary rod (9), the output shaft of the first motor (10) and the threaded rod (6) respectively, and a plurality of the first bevel gears (11) are engaged; Guide rod (12) is slidably installed on the guide block (13) on the guide rod (12), the guide block (13) is fixedly connected with the threaded cylinder (7), the top of the threaded cylinder (7) is provided in semicircular shape, and the threaded cylinder (7), the threaded rod (6) and the guide rod (12) are all provided in inclined shape; The excitation equipment (3) and the receiving equipment (4) are all composed of a plurality of arc-shaped components hinged, the connecting rod (14) is rotatably installed in the box (1), a group of connecting ropes (15) are wound on the connecting rod (14), and one end of a group of the connecting ropes (15) is connected with the excitation equipment (3) and the receiving equipment (4) respectively; First mounting plate (16) and second mounting plate (17) are fixedly installed on the bottom of the inner wall of the box (1), the second mounting plate (17) and the connecting rod (14) are all provided with first sprocket (18), a group of the first sprocket (18) is sleeved with first chain (19), the first chain (19) is engaged with a group of the first sprocket (18), the first mounting plate (16) and the output rod of the first sprocket (18) located on the second mounting plate (17) are all equipped with second bevel gear (20), a group of the second bevel gear (20) is engaged, the second sprocket (21) is fixedly sleeved on the output rod of the second bevel gear (20) located on the first mounting plate (16) and the rotary rod (9), a group of the second sprocket (21) is sleeved with second chain (22), and the second chain (22) is engaged with a group of the second sprocket (21); The top of the box (1) is hinged with cover plate (23), both sides of the box (1) are provided with U-shaped mouth, and the two U-shaped mouths are matched with ground wire, and the top end of the threaded cylinder (7) is provided with silica gel pad (29). One side of the box (1) is rotatably installed with a clamping plate (24), the clamping plate (24) is located on one side of the U-shaped opening, the bottom of the clamping plate (24) is provided with an arc-shaped opening, the arc-shaped opening is matched with the ground wire, one side of the clamping plate (24) is provided with a positioning groove, one side of the box (1) is slidably provided with a positioning block (25), the positioning block (25) is in sliding contact with the positioning groove.

2. The ground fault excitation apparatus of claim 1, wherein One side of the box (1) is fixedly installed with a connecting block (26), the connecting block (26) is slidably installed with a pull rod (27), one end of the pull rod (27) is fixedly connected with the positioning block (25), the pull rod (27) is sleeved with a connecting spring (28), the two ends of the connecting spring (28) are fixedly connected with the positioning block (25) and the connecting block (26), respectively, and the top of the positioning block (25) is arranged in an inclined manner.

3. The ground fault excitation apparatus of claim 1, wherein One side of the cover plate (23) is provided with a hook (30), one side of the box (1) is provided with a lock buckle (31), the lock buckle (31) is matched with the hook (30), and the top of the cover plate (23) is provided with a handle.

4. The method of installing a ground lead inspection excitation device according to any one of claims 1-3, wherein The steps include: Step one: when in use, first open the cover plate (23), slide along the ground wire through the U-shaped opening, so that the ground wire is located in the box (1), then rotate the clamping plate (24), and make the clamping plate (24) limit the box (1), so that the box (1) is fixed on the ground wire, and the rapid installation of the box (1) is completed; Step two: then start the driving mechanism, the output shaft of the first motor (10) drives the first bevel gear (11) to rotate, the first bevel gear (11) drives the threaded rod (6) to rotate through synchronous rotation with the rotating rod (9), the threaded rod (6) drives the threaded cylinder (7) to slide upward, the threaded cylinder (7) slides along the guide rod (12) while sliding, ensuring that the threaded cylinder (7) moves stably, when the threaded cylinder (7) slides upward, the top of the threaded cylinder (7) slides along the arc-shaped parts of the excitation device (3) and the receiving device (4) at the same time, at the same time, a plurality of arc-shaped parts rotate and shrink to form a circle, so that the excitation device (3) and the receiving device (4) are sleeved on the ground wire, and the automatic fixing operation of the excitation device (3) and the receiving device (4) is completed; Step three: after installing the excitation device (3) and the receiving device (4), operating the external control device, the excitation device (3) emits signals, the signals emitted by the excitation device (3) propagate along the axis to both ends of the ground wire, and are received when passing through the receiving device (4), then the receiving device (4) transmits the captured signals to the control device, and detects the ground wire by analyzing the received signals; Step four: after the detection is completed, make the threaded cylinder (7) slide downward away from the excitation device (3) and the receiving device (4), and then take down the box (1) from the ground wire.

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