CN114740234A - Positioning device for partial discharge test - Google Patents
Positioning device for partial discharge test Download PDFInfo
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- CN114740234A CN114740234A CN202210524348.5A CN202210524348A CN114740234A CN 114740234 A CN114740234 A CN 114740234A CN 202210524348 A CN202210524348 A CN 202210524348A CN 114740234 A CN114740234 A CN 114740234A
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- rod
- fixing
- workbench
- plate
- partial discharge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a positioning device for partial discharge test, belonging to the field of partial discharge test; a positioning device for partial discharge testing comprises a workbench, a support frame, a lifting plate assembly, a clamping mechanism and a connecting mechanism; the upper end of the workbench is provided with the slidable support frame, the support frame is provided with the lifting plate component capable of lifting, and the sensor of the ultrasonic partial discharge tester is fixed on the lifting plate, so that the sensor can be driven to be attached to the shell of the equipment to be tested; the upper end of the workbench is provided with a clamping mechanism to realize the positioning and fixing of the equipment to be tested; and through setting up block mechanism and coupling mechanism, realize carrying out the control to the test opportunity of partial discharge test, guarantee the reliability of test result.
Description
Technical Field
The invention belongs to the field of partial discharge tests, and particularly relates to a separation and filtration device for umbilical cord placenta collection liquid treatment.
Background
With the continuous development of the current science and technology, the partial discharge test is widely applied to the electric power safety test of the electric power department; the partial discharge test is mostly carried out by adopting a partial discharge tester, the partial discharge tester adopts an advanced anti-interference component and a unique door display circuit, has four high-frequency elliptical scans, is suitable for the type and delivery test of high-voltage products, the research and test of new products, and the quantitative test of the partial discharge of motors, transformers, cables, sleeves, capacitors, transformers, lightning arresters, switches and other high-voltage electrical appliances, and can be used on site by manufacturers, scientific research departments and power departments.
The ultrasonic partial discharge tester is used as one of discharge testers, a sensor of the ultrasonic partial discharge tester must be tightly attached to a shell of tested equipment in the measuring process, if the shell of the tested equipment is a common steel plate, the sensor can be fixed by a magnetic fixing seat matched with the tester, and if the shell of the tested equipment is a low-magnetic steel plate, an aluminum alloy shell or a porcelain sleeve, the sensor can only be fixed by hands, the vibration of the hands can seriously interfere with test data at the moment, and the long-time hand holding also brings burden to an operator.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a positioning device for partial discharge testing, which solves the problems that in the prior art, a sensor is fixed by hands, test data is influenced, and the burden of an operator is increased.
The purpose of the invention can be realized by the following technical scheme:
a positioning device for partial discharge testing comprises a workbench, equipment to be tested is arranged on the workbench, a support frame is connected to the upper end of the workbench in a sliding mode, two first fixing plates are arranged at the upper end of the workbench, a first screw rod is rotatably connected between the two first fixing plates, and a first driving device for driving the first screw rod to rotate is fixed on one first fixing plate;
the lifting plate assembly is arranged on the supporting frame and comprises a lifting plate in sliding connection with the supporting frame, the sliding direction is vertical, the supporting frame is rotatably connected with a second screw rod, and a second driving device for driving the second screw rod to rotate is arranged at the upper end of the supporting frame;
the sensor is fixed on the lifting plate and attached to the shell of the equipment to be tested, so that partial discharge testing is achieved.
Furthermore, a fixing frame is arranged on the lifting plate, a first adjusting rod is connected to the fixing frame in a threaded mode, the tail end of the first adjusting rod is connected with a pressing plate in a rotating mode, the pressing plate is connected with the fixing frame in a sliding mode, the first adjusting rod is screwed, the pressing plate can be close to the lifting plate, and therefore the sensor can be fixed.
Furthermore, a clamping mechanism is arranged on the workbench and used for positioning and fixing the device to be tested;
the clamping mechanism comprises two clamping plates which are in sliding connection with the workbench, the lower ends of the two clamping plates are respectively fixed with a first rack, the upper end of the workbench is fixed with a third driving device, a driving shaft of the third driving device is fixed with a first gear, the first gear is positioned between the two first racks and is meshed with the two first racks simultaneously, and the synchronous reverse sliding of the two clamping plates can be realized by controlling the operation of the third driving device, so that the centering clamping and fixing of the equipment to be tested are realized.
Furthermore, the upper end of the workbench is provided with a clamping mechanism, the clamping mechanism comprises a second fixing plate fixed at the upper end of the workbench, the second fixing plate is connected with a sliding rod in a sliding manner, and one end of the sliding rod is provided with a clamping plate; the sliding rod is sleeved with a spring, two ends of the spring are fixedly connected with the side face of the second fixing plate and the side face of the clamping plate respectively, and the clamping plate can be clamped with the spiral groove of the first screw rod under the elastic action of the spring.
Furthermore, a connecting mechanism is arranged on the workbench and comprises a rotating rod which is rotatably connected with the workbench, a second gear is fixed above the rotating rod, a second rack is arranged on the sliding rod, and the second rack is meshed with the second gear; a connecting rod is fixed on one side of one of the clamping plates, a fixing rod is arranged at the end part of the connecting rod, a third rack is arranged on the fixing rod, and the third rack can be meshed with the second gear and drives the sliding rod to slide towards the direction far away from the first screw rod in the process that the two clamping plates approach each other; and, after two splint press from both sides the tight back of awaiting measuring equipment, the cardboard just leaves first lead screw.
Furthermore, the connecting rod is connected with the fixed rod in a sliding mode, a third fixed plate is arranged on the fixed rod, a second adjusting rod is connected to the third fixed plate in a threaded mode, the tail end of the second adjusting rod is rotatably connected with the connecting rod, and the relative position between the connecting rod and the fixed rod can be changed by screwing the second adjusting rod.
The invention has the beneficial effects that: the upper end of the workbench is provided with the slidable support frame, the support frame is provided with the lifting plate component capable of lifting, and the sensor of the ultrasonic partial discharge tester is fixed on the lifting plate, so that the sensor can be driven to be attached to the shell of the equipment to be tested; the upper end of the workbench is provided with a clamping mechanism to realize the positioning and fixing of the equipment to be tested; and through setting up block mechanism and coupling mechanism, realize carrying out the control to the test opportunity of partial discharge test, guarantee the reliability of test result.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a workbench according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a lifter plate assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a fixing mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a fastening mechanism according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a connecting mechanism according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a positioning device for partial discharge testing includes a workbench 1, a device to be tested is arranged at the upper end of the workbench 1, and a partial discharge test is performed on the device to be tested by an ultrasonic partial discharge tester;
the upper end of the workbench 1 is connected with a support frame 2 in a sliding manner, a lifting plate assembly 4 capable of lifting is arranged on the support frame 2, a sensor of the ultrasonic partial discharge tester is fixed on the lifting plate assembly 4, and the support frame 2 is controlled to slide, so that the sensor can be in contact with a shell of equipment to be tested, and the partial discharge test of multiple point positions is carried out on the equipment to be tested; compared with the prior art that the tester sensor is manually held to be in contact with the shell of the equipment to be tested, the stability of discharge test is ensured, and the burden of an operator is reduced;
as shown in fig. 2, two first fixing plates 11 are arranged at the upper end of the workbench 1, a first lead screw 3 is rotatably connected between the two first fixing plates 11, the first lead screw 3 penetrates through the support frame 2 and is in threaded connection with the support frame 2, and a first driving device 31 for driving the first lead screw 3 to rotate is fixed on one of the first fixing plates 11, so that the support frame 2 can slide towards a direction close to the device to be tested;
as shown in fig. 3, the lifting plate assembly 4 includes a lifting plate 41 slidably connected to the supporting frame 2, and the sliding direction is a vertical direction, the second lead screw 6 penetrates through the lifting plate 41 along the vertical direction and is in threaded connection with the lifting plate 41, and a second driving device 61 for driving the second lead screw 6 to rotate is arranged at the upper end of the supporting frame 2, so as to control the lifting movement of the lifting plate 41; the sensor is fixed on the lifting plate 41 and lifted along with the lifting plate, so that the multi-point test can be completed from the height direction of the device to be tested.
In this embodiment, as shown in fig. 3, a fixing frame 411 is disposed at an upper end of the lifting plate 41, a first adjusting rod 42 is screwed on the fixing frame 411, a pressing plate 43 is rotatably connected to a tail end of the first adjusting rod 42, the pressing plate 43 is slidably connected to the fixing frame 411, and the pressing plate 43 can be close to the lifting plate 41 by screwing the first adjusting rod 42, so as to fix the sensor; and the sensor is convenient to disassemble and assemble in the later period.
The workbench 1 is provided with a fixing mechanism 5, and the fixing mechanism 5 is used for positioning and fixing the equipment to be tested, so that the equipment to be tested is prevented from moving in the testing process to influence the testing result;
as shown in fig. 4, the fixing mechanism 5 includes two clamping plates 51 slidably connected to the worktable 1, the lower ends of the two clamping plates 51 are respectively fixed with a first rack 52, the upper end of the worktable 1 is fixed with a third driving device 53, a first gear 54 is fixed on a driving shaft of the third driving device 53, the first gear 54 is located between the two first racks 52 and is simultaneously engaged with the two first racks 52, and by controlling the third driving device 53 to operate, the two clamping plates 51 can synchronously and reversely slide, so that centering, clamping and fixing of the device to be tested are realized, and the device to be tested is prevented from moving during testing; meanwhile, the equipment to be tested is clamped in a centering mode, the equipment to be tested is prevented from being clamped to be deviated, the sensor cannot act on the equipment to be tested, and then the positioning function is achieved.
The upper end of the workbench 1 is provided with a clamping mechanism 7, and the clamping mechanism 7 is used for limiting the rotation of the first screw rod 3, so that the sliding of the support frame 2 is limited, the sensor is prevented from approaching to the equipment to be tested, and the purpose of preventing the test is achieved;
as shown in fig. 5, the clamping mechanism 7 includes a second fixing plate 71 fixed at the upper end of the worktable 1, a sliding rod 72 is slidably connected to the second fixing plate 71, one end of the sliding rod 72 is provided with a clamping plate 73, and the clamping plate 73 can be clamped with the spiral groove of the first lead screw 3, so as to limit the rotation of the first lead screw 3; the sliding rod 72 is sleeved with a spring 74, two ends of the spring 74 are respectively and fixedly connected with the side surface of the second fixing plate 71 and the side surface of the clamping plate 73, and the clamping plate 73 can be clamped with the spiral groove of the first screw rod 3 under the elastic force action of the spring 74.
The workbench 1 is provided with a connecting mechanism 8, the connecting mechanism 8 is used for controlling the clamping time of the clamping mechanism 7, and further controlling the testing time, so that the partial discharge test can be performed only after the equipment to be tested is clamped and fixed, and the equipment to be tested is prevented from moving to influence the testing result during the test;
as shown in fig. 6, the connecting mechanism 8 includes a rotating rod 81 rotatably connected to the working platform 1, a second gear 82 is fixed above the rotating rod 81, a second rack 721 is arranged on the sliding rod 72, and the second rack 721 is meshed with the second gear 82; a connecting rod 83 is fixed on one side of one of the clamping plates 51, a fixing rod 84 is arranged at the end part of the connecting rod 83, a third rack 86 is arranged on the fixing rod 84, and in the process that the two clamping plates 51 approach each other, the third rack 86 can be meshed with the second gear 82 and drives the sliding rod 82 to slide towards the direction far away from the first screw rod 3; and, after two splint 51 press from both sides the equipment that awaits measuring tight, cardboard 73 just leaves first lead screw 3 to realized: only after the equipment to be tested is clamped and fixed, the partial discharge test can be carried out, so that the reliability of the test result is ensured;
in this embodiment, the connecting rod 83 is connected with the fixing rod 84 in a sliding manner, and the fixing rod 84 is provided with the third fixing plate 841 thereon, the third fixing plate 841 is connected with the second adjusting rod 85 in a threaded manner, the tail end of the second adjusting rod 85 is rotatably connected with the connecting rod 83, the second adjusting rod 85 is screwed, the relative position between the connecting rod 83 and the fixing rod 84 can be changed, so that when the clamping plate 73 just leaves the first lead screw 3, the distance between the two clamping plates 51 can be changed, thereby realizing accurate control of the test time of the devices to be tested with different specifications, and ensuring the reliability of the test result.
The working principle is as follows:
the upper end of the workbench 1 is provided with the support frame 2 capable of sliding, the support frame 2 is provided with the lifting plate component 4 capable of lifting, and the sensor of the ultrasonic partial discharge tester is fixed on the lifting plate 41, so that the sensor can be driven to be attached to the shell of the equipment to be tested, and compared with the prior art that the sensor of the tester is manually held to be in contact with the shell of the equipment to be tested, the stability of discharge testing is ensured, and the burden of an operator is reduced; the positioning and fixing of the equipment to be tested are realized by arranging a clamping mechanism 5 at the upper end of the workbench 1; and through setting up block mechanism 7 and coupling mechanism 8, realize carrying on the control to the test opportunity of the partial discharge test to realized only after the equipment to be tested is clamped and fixed, can carry on the partial discharge test, guarantee the reliability of the test result.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. A positioning device for partial discharge testing comprises a workbench (1), equipment to be tested is arranged on the workbench (1), and the positioning device is characterized in that the upper end of the workbench (1) is connected with a support frame (2) in a sliding manner, two first fixing plates (11) are arranged at the upper end of the workbench (1), a first screw rod (3) is rotatably connected between the two first fixing plates (11), and a first driving device (31) for driving the first screw rod (3) to rotate is fixed on one first fixing plate (11);
the lifting plate assembly (4) is arranged on the support frame (2), the lifting plate assembly (4) comprises a lifting plate (41) which is connected with the support frame (2) in a sliding mode, the sliding direction is vertical, a second screw rod (6) is connected to the support frame (2) in a rotating mode, and a second driving device (61) used for driving the second screw rod (6) to rotate is arranged at the upper end of the support frame (2);
the sensor is fixed on the lifting plate (41) and attached to the shell of the equipment to be tested, so that partial discharge testing is achieved.
2. The positioning device for partial discharge testing according to claim 1, wherein a fixing frame (411) is arranged on the lifting plate (41), a first adjusting rod (42) is connected to the fixing frame (411) in a threaded manner, a pressing plate (43) is rotatably connected to the tail end of the first adjusting rod (42), the pressing plate (43) is slidably connected with the fixing frame (411), and the pressing plate (43) can be close to the lifting plate (41) by screwing the first adjusting rod (42), so that the sensor can be fixed.
3. The positioning device for partial discharge testing according to claim 1, wherein a clamping mechanism (5) is arranged on the working table (1), and the clamping mechanism (5) is used for positioning and fixing the device to be tested;
the clamping mechanism (5) comprises two clamping plates (51) which are connected with the workbench (1) in a sliding mode, the lower ends of the two clamping plates (51) are respectively fixed with a first rack (52), the upper end of the workbench (1) is fixed with a third driving device (53), a first gear (54) is fixed on a driving shaft of the third driving device (53), the first gear (54) is located between the two first racks (52) and is meshed with the two first racks (52) at the same time, and the two clamping plates (51) can synchronously and reversely slide by controlling the third driving device (53) to operate, so that centering, clamping and fixing of the equipment to be tested are achieved.
4. The positioning device for partial discharge tests according to claim 3, characterized in that the upper end of the workbench (1) is provided with a clamping mechanism (7), the clamping mechanism (7) comprises a second fixed plate (71) fixed on the upper end of the workbench (1), a sliding rod (72) is slidably connected on the second fixed plate (71), and one end of the sliding rod (72) is provided with a clamping plate (73); the sliding rod (72) is sleeved with a spring (74), two ends of the spring (74) are fixedly connected with the side face of the second fixing plate (71) and the side face of the clamping plate (73), and the clamping plate (73) can be clamped with the spiral groove of the first screw rod (3) under the elastic force action of the spring (74).
5. The positioning device for the partial discharge test is characterized in that a connecting mechanism (8) is arranged on the workbench (1), the connecting mechanism (8) comprises a rotating rod (81) which is rotatably connected with the workbench (1), a second gear (82) is fixed above the rotating rod (81), a second rack (721) is arranged on the sliding rod (72), and the second rack (721) is meshed with the second gear (82); a connecting rod (83) is fixed on one side of one of the clamping plates (51), a fixing rod (84) is arranged at the end part of the connecting rod (83), a third rack (86) is arranged on the fixing rod (84), and in the process that the two clamping plates (51) are close to each other, the third rack (86) can be meshed with the second gear (82) and drives the sliding rod (82) to slide towards the direction far away from the first screw rod (3); and when the two clamping plates (51) clamp the equipment to be tested, the clamping plate (73) just leaves the first screw rod (3).
6. The positioning device for partial discharge test as claimed in claim 5, wherein the connecting rod (83) is slidably connected to the fixing rod (84), and a third fixing plate (841) is disposed on the fixing rod (84), a second adjusting rod (85) is threadedly connected to the third fixing plate (841), the end of the second adjusting rod (85) is rotatably connected to the connecting rod (83), and the relative position between the connecting rod (83) and the fixing rod (84) can be changed by screwing the second adjusting rod (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524348.5A CN114740234A (en) | 2022-05-13 | 2022-05-13 | Positioning device for partial discharge test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524348.5A CN114740234A (en) | 2022-05-13 | 2022-05-13 | Positioning device for partial discharge test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114740234A true CN114740234A (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210524348.5A Pending CN114740234A (en) | 2022-05-13 | 2022-05-13 | Positioning device for partial discharge test |
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| Country | Link |
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| CN (1) | CN114740234A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263227A (en) * | 2022-08-26 | 2022-11-01 | 江苏腾龙石化机械有限公司 | Mandrel type three-stage suspension ultrahigh-pressure casing head and assembling device thereof |
| CN116184233A (en) * | 2023-03-27 | 2023-05-30 | 安可捷检测(常州)有限公司 | Battery cell charging and discharging testing device convenient for clamping |
-
2022
- 2022-05-13 CN CN202210524348.5A patent/CN114740234A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263227A (en) * | 2022-08-26 | 2022-11-01 | 江苏腾龙石化机械有限公司 | Mandrel type three-stage suspension ultrahigh-pressure casing head and assembling device thereof |
| CN116184233A (en) * | 2023-03-27 | 2023-05-30 | 安可捷检测(常州)有限公司 | Battery cell charging and discharging testing device convenient for clamping |
| CN116184233B (en) * | 2023-03-27 | 2023-09-15 | 安可捷检测(常州)有限公司 | Battery cell charging and discharging testing device convenient for clamping |
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