CN210505389U - High-voltage cable oscillation wave partial discharge test system and lifting device thereof - Google Patents
High-voltage cable oscillation wave partial discharge test system and lifting device thereof Download PDFInfo
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- CN210505389U CN210505389U CN201921208133.2U CN201921208133U CN210505389U CN 210505389 U CN210505389 U CN 210505389U CN 201921208133 U CN201921208133 U CN 201921208133U CN 210505389 U CN210505389 U CN 210505389U
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Abstract
The utility model discloses a high tension cable vibrates ripples partial discharge test system and elevating gear thereof is applied to high tension cable and vibrates ripples partial discharge test system's elevating gear and includes: the supporting seat is provided with a placing part for placing the inductance testing module on the supporting surface; and the lifting mechanism is arranged below the supporting seat and can drive the supporting seat to ascend or descend, the lifting mechanism comprises at least two lifting components arranged at intervals, and the at least two lifting components are arranged in a central symmetry mode relative to the central axis of the supporting seat. The lifting device can quickly and stably lift the inductance testing module, so that the testing can be reliably carried out; therefore, the high-voltage cable shock wave partial discharge test system adopting the lifting device can test efficiently and reliably.
Description
Technical Field
The utility model relates to a circuit test technical field, concretely relates to high tension cable vibrates ripples partial discharge test system and elevating gear thereof.
Background
The corresponding inductance testing module is needed to be used in the high-voltage cable shock wave partial discharge testing system, and in order to avoid the inductance testing module from discharging to the ground when the inductance testing module is pressurized, the inductance testing module needs to be kept at a certain distance from the ground. The traditional way is to utilize the cushion to carry out the bed hedgehopping to inductance test module, because inductance test module's volume is great, weight is great, adopts the form of cushion bed hedgehopping not only to operate comparatively difficultly, and the easy focus that appears when the bearing surface is uneven moreover is unstable and takes place the problem of empting, is unfavorable for the reliability of test.
SUMMERY OF THE UTILITY MODEL
On the basis, the high-voltage cable oscillating wave partial discharge test system and the lifting device thereof are provided, the lifting device can quickly and stably lift the inductance test module, and the test can be reliably carried out; therefore, the high-voltage cable shock wave partial discharge test system adopting the lifting device can test efficiently and reliably.
The technical scheme is as follows:
on the one hand, provide a be applied to high tension cable and vibrate ripples partial discharge test system's elevating gear, include: the supporting seat is provided with a placing part for placing the inductance testing module on the supporting surface; and the lifting mechanism is arranged below the supporting seat and can drive the supporting seat to ascend or descend, the lifting mechanism comprises at least two lifting components arranged at intervals, and the at least two lifting components are arranged in a central symmetry mode relative to the central axis of the supporting seat.
When the lifting device applied to the high-voltage cable shock wave partial discharge testing system is used, the inductance testing module is placed on the placing part on the supporting surface of the supporting seat, and the placing part is utilized to stably place the inductance testing module on the supporting surface of the supporting seat, so that the inductance testing module is not easy to topple in the lifting process; then, the lifting assembly of the lifting mechanism is utilized to rapidly drive the supporting seat to ascend relative to the ground, so that the inductance testing module is rapidly driven to ascend relative to the ground, a proper distance can be kept between the inductance testing module and the ground, the inductance testing module is prevented from discharging to the ground in the testing process, and the reliability and accuracy of the test are guaranteed; after the test is finished, the descending of the lifting assembly of the lifting mechanism is utilized to drive the inductance testing module to descend, and the inductance testing module is convenient to take down from the supporting seat. Simultaneously, because lifting unit is two at least, and two at least lifting unit be central symmetry setting about the central axis of supporting seat, even the bearing surface unevenness also can make the holding surface of supporting seat keep the level or approximate horizontality through the lift of adjusting corresponding lifting unit for inductance test module's focus keeps stable, avoids appearing inductance test module and emptys the problem, guarantees that the test can reliably go on.
The technical solution is further explained below:
in one embodiment, the placing part is provided as a placing groove, and the contour of the placing groove is matched with the contour of the inductance testing module. So, utilize the placing part to make inductance test module lift in-process remain stable.
In one embodiment, the lifting device applied to the high-voltage cable oscillatory wave partial discharge test system further comprises an alarm element and a gravity detection element for detecting the load of the support seat, and the alarm element is electrically connected with the gravity detection element. Therefore, the damage caused by overload of the lifting device is avoided.
In one embodiment, the lifting device applied to the high-voltage cable oscillatory wave partial discharge test system further comprises a distance detection element, wherein the distance detection element is used for detecting the ground clearance of the inductance test module, and the distance detection element is electrically connected with the alarm element. Therefore, the ground clearance of the inductance testing module can be accurately ensured.
In one embodiment, the lifting device applied to the high-voltage cable oscillatory wave partial discharge test system further comprises a pressure bearing seat, one end of the lifting assembly is connected with the supporting seat, and the other end of the lifting assembly is connected with the pressure bearing seat. Therefore, the contact area with the ground is increased, and subsidence is avoided.
In one embodiment, the lifting device applied to the high-voltage cable shock wave partial discharge test system further comprises a universal wheel, and the universal wheel is arranged on the ground close to the pressure bearing seat. Thus, the movement is convenient.
In one embodiment, the lifting device applied to the high-voltage cable shock wave partial discharge testing system further comprises a locking piece, and the locking piece can be in locking fit with the universal wheel. Therefore, the sliding cannot occur in the test process, and the test reliability is ensured.
In one embodiment, the lifting assembly comprises a lifting connecting rod and an adjusting piece, wherein the adjusting piece is in threaded fit with the lifting connecting rod and used for adjusting the lifting height of the lifting connecting rod.
In one embodiment, the number of the lifting assemblies is three, the three lifting assemblies are arranged around the circumference of the supporting seat, and the three lifting assemblies are arranged in a central symmetry mode relative to the central axis of the supporting seat.
On the other hand, the high-voltage cable shock wave partial discharge test system comprises an inductance test module and the lifting device, wherein the lifting device is used for lifting the inductance test module.
When the high-voltage cable oscillation wave partial discharge testing system is used, the inductance testing module is placed on the placing part on the supporting surface of the supporting seat, and the inductance testing module is stably placed on the supporting surface of the supporting seat by using the placing part, so that the inductance testing module is not easy to topple in the lifting process; then, the lifting assembly of the lifting mechanism is utilized to rapidly drive the supporting seat to ascend relative to the ground, so that the inductance testing module is rapidly driven to ascend relative to the ground, a proper distance can be kept between the inductance testing module and the ground, the inductance testing module is prevented from discharging to the ground in the testing process, and the reliability and accuracy of the test are guaranteed; after the test is finished, the descending of the lifting assembly of the lifting mechanism is utilized to drive the inductance testing module to descend, and the inductance testing module is convenient to take down from the supporting seat. Simultaneously, because lifting unit is two at least, and two at least lifting unit be central symmetry setting about the central axis of supporting seat, even the bearing surface unevenness also can make the holding surface of supporting seat keep the level or approximate horizontality through the lift of adjusting corresponding lifting unit for inductance test module's focus keeps stable, avoids appearing inductance test module and emptys the problem, guarantees that the test can reliably go on.
Drawings
Fig. 1 is a schematic structural diagram of a lifting device applied to a high-voltage cable oscillatory wave partial discharge test system according to an embodiment;
fig. 2 is a schematic structural diagram of a lifting device applied to a high-voltage cable oscillatory wave partial discharge test system according to another embodiment.
Description of reference numerals:
100. the device comprises a supporting seat, 200 parts of a lifting assembly, 210 parts of a first connecting rod, 220 parts of a second connecting rod, 230 parts of a third connecting rod, 240 parts of a fourth connecting rod, 250 parts of an adjusting screw rod, 260 parts of a first thread matching part, 270 parts of a second thread matching part, 300 parts of a gravity detection element, 400 parts of an alarm element, 500 parts of a distance detection element, 600 parts of a pressure bearing seat, 700 parts of a universal wheel, 1000 parts of an inductance test module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on," "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the present invention, the terms "first", "second", "third", and the like do not denote any particular quantity or order, but rather are used to distinguish one name from another.
As shown in fig. 1, in an embodiment, a lifting device applied to a high voltage cable oscillatory wave partial discharge test system is disclosed, which includes: a support base 100, wherein a placing part (not shown) for placing the inductance testing module 1000 is arranged on the supporting surface of the support base 100; and the lifting mechanism is arranged below the supporting seat 100 and can drive the supporting seat 100 to ascend or descend, the lifting mechanism comprises at least two lifting components 200 arranged at intervals, and the at least two lifting components 200 are arranged in central symmetry relative to the central axis of the supporting seat 100.
When the lifting device applied to the high-voltage cable oscillatory wave partial discharge testing system in the embodiment is used, the inductance testing module 1000 is placed on the placing part on the supporting surface of the supporting seat 100, and the placing part is utilized to stably place the inductance testing module 1000 on the supporting surface of the supporting seat 100, so that the inductance testing module 1000 is ensured not to easily topple in the lifting process; then, the lifting assembly 200 of the lifting mechanism is utilized to rapidly drive the supporting seat 100 to ascend relative to the ground, so that the inductance testing module 1000 is rapidly driven to ascend relative to the ground, the inductance testing module 1000 can keep a proper distance from the ground, the inductance testing module 1000 is prevented from discharging to the ground in the testing process, and the reliability and accuracy of the test are ensured; after the test is completed, the descending of the lifting assembly 200 of the lifting mechanism is utilized to drive the inductance testing module 1000 to descend, so that the inductance testing module 1000 can be conveniently taken down from the supporting seat 100. Meanwhile, because the lifting assemblies 200 are at least two, and at least two lifting assemblies 200 are arranged in central symmetry about the central axis of the supporting seat 100, even if the bearing surface is uneven, the supporting surface of the supporting seat 100 can be kept horizontal or approximately horizontal by adjusting the lifting of the corresponding lifting assemblies 200, so that the gravity center of the inductance testing module 1000 is kept stable, the problem that the inductance testing module 1000 is toppled over is avoided, and the test can be reliably carried out.
It should be noted that, the supporting surface of the supporting seat 100 is kept horizontal or approximately horizontal by adjusting the lifting of the corresponding lifting assembly 200, for example, when the position of the pressure-bearing surface on the left side is lower than the position of the pressure-bearing surface on the right side, the lifting assembly 200 near the left side is lifted by a corresponding height, so that the lower pressure-bearing surface on the left side can be supplemented with the height, and further the supporting surface of the supporting seat 100 is kept horizontal or approximately horizontal, so that the center of gravity of the inductance testing module 1000 is kept stable, and the problem that the inductance testing module 1000 falls down is avoided; the supporting surface is kept approximately horizontal, the influence of errors is considered, the supporting surface of the supporting seat 100 can be considered to be kept horizontal within an error allowable range, and for example, the supporting surface can be considered to be kept horizontal when the included angle between the supporting surface of the supporting seat 100 and the horizontal plane is 0-3 degrees. The support base 100 may be provided as a regular square or circular support plate to facilitate the centrally symmetric arrangement of the lift assembly 200 about the central axis of the support base 100.
The placing part is used for stably placing the inductance testing module 1000 on the supporting surface of the supporting seat 100, and the placing part can be clamped, for example, the placing part is arranged to be a buckle, and the inductance testing module 1000 is stably and fixedly arranged on the supporting surface of the supporting seat 100 through clamping and matching of the buckle and the inductance testing module 1000; the positioning of the inductance testing module 1000 can be realized in a limiting and matching manner, for example, the positioning portion is provided with at least two limiting blocks arranged at intervals, and the inductance testing module 1000 is prevented from sideslipping or shifting relative to the supporting surface by positioning the inductance testing module 1000 in a limiting area surrounded by the limiting blocks; it is only necessary to satisfy the requirement that the inductance testing module 1000 is stably fixed on the preset position of the supporting surface of the supporting seat 100.
In one embodiment, the placement portion is configured as a placement slot (not shown) having a profile that matches a profile of the inductance testing module 1000. So, only need simple place inductance test module 1000 in the standing groove, utilize the lateral wall of standing groove can restrict inductance test module 1000 and take place to sideslip relative to supporting seat 100, guarantee that inductance test module 1000 can both remain stable at the in-process that rises or descends.
As shown in fig. 2, in an embodiment, the lifting device applied to the high voltage cable oscillatory wave partial discharge test system further includes an alarm element 400 and a gravity detecting element 300 for detecting the load of the supporting base 100, and the alarm element 400 is electrically connected to the gravity detecting element 300. Thus, considering that the inductance testing module 1000 is heavy in weight and the rated load of the lifting mechanism is limited, the number of the inductance testing module 1000 accessing the main loop needs to be adjusted according to the actual detection condition in the using process, therefore, the actual load of the supporting seat 100 is detected in real time by the gravity detecting element 300 and the detection result is fed back to the alarm element 400, when the gravity detecting element 300 detects that the load of the supporting seat 100 approaches or exceeds the rated load of the lifting mechanism, the alarm element 400 sends out a corresponding warning signal, thereby reminding an operator and avoiding damage to the lifting device due to overlarge load. The alarm element 400 may be a warning light, a buzzer, or other devices capable of sending warning information, and may be disposed on the support base 100 or other locations where the warning information can be received by an operator; the gravity detecting element 300 may be a pressure sensor, a gravity sensor, or other elements capable of detecting the load of the supporting seat 100, and the gravity detecting element 300 may be disposed between the supporting seat 100 and the upgrade assembly or other locations capable of detecting the load of the supporting seat 100.
As shown in fig. 2, on the basis of any of the above embodiments, the lifting device applied to the high voltage cable oscillatory wave partial discharge test system further includes a distance detection element 500, the distance detection element 500 is used for detecting a ground clearance of the inductance test module 1000, and the distance detection element 500 is electrically connected to the alarm element 400. Therefore, the distance detection element 500 is used for detecting the ground clearance of the inductance testing module 1000 in real time, so that the inductance testing module 1000 can keep a sufficient safe electrical distance with the ground when a discharge test is carried out, the inductance testing module 1000 is prevented from discharging to the ground when pressurization is carried out, and the reliability and accuracy of the test are ensured. The distance detecting element 500 may directly detect the distance from the inductance testing module 1000, for example, the distance detecting element 500 is disposed on the inductance testing module 1000; the distance detecting element 500 may also indirectly detect the distance from the ground of the inductance testing module 1000, for example, the distance detecting element 500 is disposed on the supporting base 100, and the distance from the ground of the supporting base 100 is detected and then converted into the distance from the ground of the inductance testing module 1000. The distance detection element 500 may employ a distance sensor, a photosensor, or other devices capable of detecting a distance.
As shown in fig. 1 and fig. 2, on the basis of any of the above embodiments, the lifting device applied to the high voltage cable oscillatory wave partial discharge test system further includes a pressure bearing seat 600, one end of the lifting assembly 200 is connected to the supporting seat 100, and the other end of the lifting assembly 200 is connected to the pressure bearing seat 600. Thus, the lifting assembly 200 is arranged on the pressure bearing seat 600, the contact area between the lifting device and the ground is increased, the problem that the whole lifting device is inclined and unstable due to the fact that the lifting device is sunk into the ground in the using process is avoided, and the problem that the inductance testing module 1000 is inclined due to gravity center instability can be prevented. Pressure bearing seat 600 can set up to the pressure bearing board, can laminate in ground, avoids elevating gear to sink, also can pave the ground of unevenness to a certain extent.
As shown in fig. 1 and 2, the lifting device applied to the high voltage cable oscillatory wave partial discharge test system further includes a universal wheel 700, and the universal wheel 700 is disposed on the ground near the pressure bearing seat 600. So, utilize universal wheel 700 can be convenient for pressure bearing seat 600 and remove subaerial, can shift test site fast, improved efficiency of software testing. In order to ensure the stability of the pressure bearing seat 600, at least four universal wheels 700 are uniformly arranged along the circumferential direction of the pressure bearing seat 600, so that the stability during testing and transferring is ensured.
Furthermore, the lifting device applied to the high-voltage cable shock wave partial discharge test system further comprises a locking member (not shown), and the locking member can be in locking fit with the universal wheel 700. So, utilize the locking piece to carry out the locking to universal wheel 700, pressure-bearing seat 600 can not take place to slide relatively ground when guaranteeing the test, guarantees the reliability and the accuracy of test. The locking piece can be a lock pin, and the universal wheel 700 is locked by correspondingly arranging the jack on the universal wheel 700 and utilizing the insertion and matching of the lock pin and the jack; the locking piece also can set up to corresponding limiting plate, thereby realizes the locking of universal wheel 700 through the spacing cooperation of limiting plate and universal wheel 700.
The lifting assembly 200 can be in a form of matching a gear with a rack, and the linear motion of the rack is realized through the rotation of the gear so as to drive the supporting seat 100 to ascend and descend; the lifting assembly 200 can also be arranged as an air cylinder or a hydraulic cylinder, and the telescopic rod of the air cylinder or the hydraulic cylinder drives the supporting seat 100 to ascend and descend; the lifting assembly 200 may also be provided as a jack-type element, only sufficient to enable the raising and lowering of the support base 100.
In one embodiment, the lifting assembly 200 includes a lifting link and an adjustment member threadedly engaged with the lifting link for adjusting a lifting height of the lifting link. Therefore, the connecting rods on the two sides of the lifting connecting rod are drawn together and separated through the threaded matching of the adjusting piece and the lifting connecting rod, so that the supporting seat 100 is driven to ascend or descend.
As shown in fig. 1 and 2, specifically in the present embodiment, the lifting link includes a first link 210, a second link 220, a third link 230, and a fourth link 240, one end of the first link 210 is rotatably connected to one end of the second link 220 and is engaged with the one end of the first link 220 to form a first screw engaging portion 260, the other end of the first link 210 is fixedly connected to the support base 100, the other end of the second link 220 is fixedly connected to the pressure receiving base 600, one end of the third link 230 is rotatably connected to one end of the fourth link 240 and is engaged with the one end of the second link 270 to form a second screw engaging portion 270, the other end of the third link 230 is fixedly connected to the support base 100, the connection portion of the other end of the third link 230 to the support base 100 and the connection portion of the other end of the first link 210 to the support base 100 are the same or approximately the same, the other end of the fourth link 240 to the pressure receiving base 600 and the connection portion of the second link 240 to the pressure receiving base 600 are the same or approximately the same, the adjusting member is provided as an adjusting screw 250, and the adjusting screw 250 is screw-engaged with both the first screw-engaging portion 260 and the second screw-engaging portion 270. Thus, when the adjusting screw 250 rotates forward, the first thread matching part 260 and the second thread matching part 270 can be close to each other, so that the first connecting rod 210, the second connecting rod 220, the third connecting rod 230 and the fourth connecting rod 240 are vertical to the horizontal plane to jack up and lift up the supporting seat 100; when the adjusting screw 250 rotates reversely, the first thread matching part 260 and the second thread matching part 270 can be separated from each other, so that the first connecting rod 210, the second connecting rod 220, the third connecting rod 230 and the fourth connecting rod 240 are folded relative to the horizontal plane, and the supporting seat 100 is lowered. The rotational connection between one end of the first link 210 and one end of the second link 220 and the rotational connection between one end of the third link 230 and one end of the fourth link 240 can be achieved by a rotation shaft connection or a pivot connection. First screw thread cooperation portion 260 and second screw thread cooperation portion 270 can set up to thread bush or screw hole, only need satisfy with adjusting screw 250 screw thread cooperation back can realize being close to and keeping away from of first screw thread cooperation portion 260 and second screw thread cooperation portion 270 can. A corresponding adjustment knob is provided at one end of the adjustment screw 250 to facilitate rotation of the adjustment screw 250 for adjustment.
The number of the lifting assemblies 200 can be flexibly adjusted according to actual use requirements, and when the number of the inductance testing modules 1000 to be lifted is large, the number of the lifting assemblies 200 can be set to be large in order to provide sufficient jacking force and keep the stability of the supporting seat 100; accordingly, when the inductance testing module 1000 is less, the number of the lifting assemblies 200 can be less.
In one embodiment, the number of the lifting assemblies 200 is three, the three lifting assemblies 200 are arranged around the circumference of the supporting seat 100, and the three lifting assemblies 200 are arranged in a central symmetry manner about the central axis of the supporting seat 100. So, it sets up to be central symmetry with three lifting unit 200 around the central axis of supporting seat 100, and the contained angle with the central axis of supporting seat 100 between two adjacent lifting unit 200 is 120 for supporting seat 100 has three fulcrum, can make the steady rising of supporting seat 100 and descend.
In one embodiment, the lifting assemblies 200 are arranged in four, four lifting assemblies 200 are arranged around the circumference of the supporting seat 100, and four lifting assemblies 200 are arranged in central symmetry with respect to the central axis of the supporting seat 100. So, it sets up to be central symmetry with four lifting unit 200 around the central axis of supporting seat 100, and the contained angle with the central axis of supporting seat 100 between two adjacent lifting unit 200 is 90 for supporting seat 100 has four fulcrums, can make more steady rising and decline of supporting seat 100.
As shown in fig. 1 and fig. 2, in an embodiment, a high voltage cable oscillatory wave partial discharge test system is further provided, which includes an inductance test module 1000 and the lifting device of any of the above embodiments, where the lifting device is used for lifting the inductance test module 1000.
When the high-voltage cable oscillatory wave partial discharge testing system of the embodiment is used, the inductance testing module 1000 is placed on the placing part on the supporting surface of the supporting seat 100, and the inductance testing module 1000 is stably placed on the supporting surface of the supporting seat 100 by using the placing part, so that the inductance testing module 1000 is not prone to toppling in the lifting process; then, the lifting assembly 200 of the lifting mechanism is utilized to rapidly drive the supporting seat 100 to ascend relative to the ground, so that the inductance testing module 1000 is rapidly driven to ascend relative to the ground, the inductance testing module 1000 can keep a proper distance from the ground, the inductance testing module 1000 is prevented from discharging to the ground in the testing process, and the reliability and accuracy of the test are ensured; after the test is completed, the descending of the lifting assembly 200 of the lifting mechanism is utilized to drive the inductance testing module 1000 to descend, so that the inductance testing module 1000 can be conveniently taken down from the supporting seat 100. Meanwhile, because the lifting assemblies 200 are at least two, and at least two lifting assemblies 200 are arranged in central symmetry about the central axis of the supporting seat 100, even if the bearing surface is uneven, the supporting surface of the supporting seat 100 can be kept horizontal or approximately horizontal by adjusting the lifting of the corresponding lifting assemblies 200, so that the gravity center of the inductance testing module 1000 is kept stable, the problem that the inductance testing module 1000 is toppled over is avoided, and the test can be reliably carried out.
The lifting device is particularly suitable for a high-voltage cable oscillation wave partial discharge test system of 250KV and above.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples represent only a few embodiments of the present invention, which are described in detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a be applied to high tension cable and vibrate ripples partial discharge test system's elevating gear which characterized in that includes:
the supporting seat is provided with a placing part for placing the inductance testing module on the supporting surface; and
the lifting mechanism is arranged below the supporting seat and can drive the supporting seat to ascend or descend, the lifting mechanism comprises at least two lifting assemblies arranged at intervals, and the lifting assemblies are arranged in a central symmetry mode about the central axis of the supporting seat.
2. The lifting device applied to the high-voltage cable shock wave partial discharge test system according to claim 1, wherein the placing portion is provided as a placing groove, and the profile of the placing groove is matched with the profile of the inductance test module.
3. The lifting device as claimed in claim 1, further comprising an alarm device and a gravity detecting device for detecting the load of the supporting base, wherein the alarm device is electrically connected to the gravity detecting device.
4. The lifting device applied to the oscillatory wave partial discharge test system of the high-voltage cable according to claim 3, further comprising a distance detection element, wherein the distance detection element is used for detecting the ground clearance of the inductance test module, and the distance detection element is electrically connected with the alarm element.
5. The lifting device applied to the high-voltage cable oscillatory wave partial discharge testing system according to claim 1, further comprising a pressure-bearing seat, wherein one end of the lifting component is connected with the supporting seat, and the other end of the lifting component is connected with the pressure-bearing seat.
6. The lifting device applied to the high-voltage cable shock wave partial discharge test system according to claim 5, further comprising a universal wheel, wherein the universal wheel is disposed on the ground near the pressure bearing seat.
7. The lifting device applied to the high-voltage cable shock wave partial discharge test system according to claim 6, further comprising a locking member, wherein the locking member can be in locking fit with the universal wheel.
8. The lifting device applied to the high-voltage cable oscillatory wave partial discharge test system according to any one of claims 1 to 7, wherein the lifting assembly comprises a lifting connecting rod and an adjusting member, and the adjusting member is in threaded fit with the lifting connecting rod and is used for adjusting the lifting height of the lifting connecting rod.
9. The lifting device applied to the oscillatory wave partial discharge testing system of the high-voltage cable according to any one of claims 1 to 7, wherein the number of the lifting assemblies is three, the three lifting assemblies are arranged around the circumference of the supporting seat, and the three lifting assemblies are arranged in central symmetry with respect to the central axis of the supporting seat.
10. A high-voltage cable oscillatory wave partial discharge test system, which comprises an inductance test module and a lifting device according to any one of claims 1 to 9, wherein the lifting device is used for lifting the inductance test module.
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| CN201921208133.2U CN210505389U (en) | 2019-07-29 | 2019-07-29 | High-voltage cable oscillation wave partial discharge test system and lifting device thereof |
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| CN201921208133.2U CN210505389U (en) | 2019-07-29 | 2019-07-29 | High-voltage cable oscillation wave partial discharge test system and lifting device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436376A (en) * | 2019-07-29 | 2019-11-12 | 广州供电局有限公司 | High-tension cable Sasser partial discharge test system and its lifting device |
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2019
- 2019-07-29 CN CN201921208133.2U patent/CN210505389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436376A (en) * | 2019-07-29 | 2019-11-12 | 广州供电局有限公司 | High-tension cable Sasser partial discharge test system and its lifting device |
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Effective date of registration: 20200925 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |