CN114019301A - Special auxiliary detection tool for distribution ultrahigh frequency detection - Google Patents
Special auxiliary detection tool for distribution ultrahigh frequency detection Download PDFInfo
- Publication number
- CN114019301A CN114019301A CN202111211056.8A CN202111211056A CN114019301A CN 114019301 A CN114019301 A CN 114019301A CN 202111211056 A CN202111211056 A CN 202111211056A CN 114019301 A CN114019301 A CN 114019301A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- ultrahigh frequency
- tool
- detection
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
-
- 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
-
- 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
- G01R31/1263—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a special auxiliary detection tool for distribution ultrahigh frequency detection, which comprises a telescopic insulating rod, an ultrahigh frequency sensor support, a universal joint and an electric hydraulic push rod, wherein one end of the universal joint is fixedly arranged at the center of the lower surface of the ultrahigh frequency sensor support through a bolt, and the other end of the universal joint is fixedly connected with the telescopic insulating rod through a bolt; according to the invention, ultrahigh frequency partial discharge detection work can be carried out on the distribution network pole top switch and the isolating switch without a detection person climbing a pole, so that the potential discharge hazards inside the distribution network pole top switch and the isolating switch can be found in time, the fault rate of the distribution network pole top switch and the isolating switch can be reduced, and the operation reliability of the distribution network pole top switch and the isolating switch can be improved; and the detection personnel also do not need to be close to the live equipment, the personal injury to the detection personnel caused by the live equipment is avoided, and the safety of the ultrahigh frequency partial discharge detection work of the distribution network column switch and the isolating switch is improved.
Description
Technical Field
The invention relates to the technical field of distribution ultrahigh frequency detection, in particular to an auxiliary detection tool special for distribution ultrahigh frequency detection.
Background
The operation and maintenance of the column switch and the isolating switch of the traditional distribution network at present mainly carry out personnel inspection, infrared imaging and ultrasonic discharge detection work, and the potential discharge hazard in the column switch and the isolating switch cannot be found in time; with the exploration and application of a novel ultrahigh frequency partial discharge detection technology in a distribution network, the detection of discharge inside a column switch and an isolating switch by ultrahigh frequency partial discharge detection becomes an important means of a modern distribution network, and two difficulties exist in the detection process.
In view of join in marriage net column switch, isolator and mainly install on the shaft tower, the mounted position is high, and when ascending a pole detection personnel and carrying out the superfrequency office on the shaft tower to joining in marriage net column switch, isolator and put and detect, must tie up the safety belt, still need be close to joining in marriage net column switch, isolator bottom with superfrequency sensor, have personal safety hidden danger, when detecting closely moreover, because it is close to live equipment distance closely, serious crisis detection personnel life safety.
Disclosure of Invention
The invention aims to provide an auxiliary detection tool special for distribution ultrahigh frequency detection, which aims to solve the problem that the life safety of detection personnel is seriously threatened due to the close distance of adjacent electrified equipment during short-distance detection.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special auxiliary detection instrument of distribution superfrequency detection, includes telescopic insulator spindle, superfrequency sensor support, universal joint and electronic hydraulic push rod, bolt fixed mounting is passed through to universal joint one end the center department of superfrequency sensor support lower surface, the universal joint other end pass through the bolt with telescopic insulator spindle fixed connection, telescopic insulator spindle passes through the universal joint with superfrequency sensor support rotates and connects, electronic hydraulic push rod one end with the edge of superfrequency sensor support lower surface rotates and connects, the electronic hydraulic push rod other end with one side of telescopic insulator spindle outer wall rotates and connects.
The telescopic insulating rod comprises a sleeve and a movable rod, and the sleeve is sleeved on the outer wall of the movable rod in a sliding mode.
The sleeve is characterized in that an opening is formed in one end of the sleeve, a fixed claw sleeve is arranged at the opening end of the sleeve, and a fastening nut sleeve is sleeved on the outer wall of the fixed claw sleeve in a threaded manner.
The movable rod is located one end of the inner side of the sleeve is symmetrically and fixedly provided with a sliding block through a bolt, the inner wall of the sleeve is symmetrically provided with a sliding groove matched with the sliding block, and the movable rod is matched with the sliding groove through the sliding block and is in sliding connection with the sleeve.
Wherein, the movable rod is located the one end in the sleeve pipe outside has the link through bolt fixed mounting.
The fixed claw sleeve and the sleeve are of an integrated structure, and the inner diameter of the fixed claw sleeve is the same as that of the sleeve.
Wherein, the fixed claw sleeve is contracted and fastened with the movable rod through a fastening nut sleeve.
The electric hydraulic push rod is rotatably connected with the ultrahigh frequency sensor support through a hinged support, and the electric hydraulic push rod is rotatably connected with the telescopic insulating rod through a hinged support.
The ultrahigh frequency sensor is fixedly mounted on the upper surface of the ultrahigh frequency sensor support through bolts and used for receiving ultrahigh frequency discharge signals excited by discharge pulses of the distribution network column switch and the isolating switch.
Compared with the prior art, the invention has the beneficial effects that:
1. when the ultrahigh frequency partial discharge detection of the distribution network column switch and the isolating switch is needed, a detection person can hold the telescopic insulating rod by hand to enable the ultrahigh frequency sensor on the ultrahigh frequency sensor support to be close to the distribution network column switch and the isolating switch, the ultrahigh frequency partial discharge detection of the distribution network column switch and the isolating switch can be carried out without the need of the detection person to climb the rod, the internal discharge hidden danger of the distribution network column switch and the isolating switch can be found in time, the fault rate of the distribution network column switch and the isolating switch can be reduced, and the operation reliability of the distribution network column switch and the isolating switch can be improved; moreover, detection personnel do not need to approach the live equipment, personal injury to the detection personnel caused by the live equipment is avoided, and the safety of ultrahigh frequency partial discharge detection work of the distribution network column switch and the isolating switch is improved;
2. according to the invention, the ultrahigh frequency sensor support is rotatably connected with the telescopic insulating rod through the universal joint, the electric hydraulic push rod is arranged between the ultrahigh frequency sensor support and the telescopic insulating rod, and the ultrahigh frequency sensor support can be pushed to rotate around the top of the telescopic insulating rod through the electric hydraulic push rod, so that the detection angle and direction of the ultrahigh frequency sensor on the ultrahigh frequency sensor support can be flexibly adjusted according to the positions of a switch and an isolating switch on a distribution network column, the optimal detection position is obtained, and the accuracy of ultrahigh frequency partial discharge detection is improved.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic front view of the telescopic insulating rod of the present invention;
FIG. 3 is a schematic sectional view of the telescopic insulating rod according to the present invention;
FIG. 4 is an enlarged view of part A of FIG. 3;
FIG. 5 is an enlarged view of the portion B of FIG. 3;
FIG. 6 is a schematic structural diagram of the present invention in use.
In FIGS. 1-6: 10. a telescopic insulating rod; 11. a sleeve; 12. a movable rod; 13. fastening a nut sleeve; 14. a slider; 15. a chute; 16. a fixed claw sleeve; 17. hanging a ring; 20. an ultrahigh frequency sensor mount; 30. a universal joint; 40. an electric hydraulic push rod.
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.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a distribution superfrequency detects special auxiliary detection instrument, including telescopic insulator spindle 10, superfrequency sensor support 20, universal joint 30 and electronic hydraulic push rod 40, bolt fixed mounting is passed through in the center department of superfrequency sensor support 20 lower surface to universal joint 30 one end, the universal joint 30 other end passes through bolt and telescopic insulator spindle 10 fixed connection, telescopic insulator spindle 10 rotates with superfrequency sensor support 20 through universal joint 30 to be connected, the edge rotation of electronic hydraulic push rod 40 one end and superfrequency sensor support 20 lower surface is connected, the electronic hydraulic push rod 40 other end rotates with one side of telescopic insulator spindle 10 outer wall to be connected.
Wherein, rotate ultrahigh frequency sensor support 20 and telescopic insulator spindle 10 through universal joint 30 and be connected, and set up electronic hydraulic push rod 40 between ultrahigh frequency sensor support 20 and telescopic insulator spindle 10, can promote ultrahigh frequency sensor support 20 through electronic hydraulic push rod 40 and rotate round telescopic insulator spindle 10 top, can be according to joining in marriage net pole-mounted switch like this, isolator's position, adjust ultrahigh frequency sensor's detection angle and direction on ultrahigh frequency sensor support 20 in a flexible way, obtain the best detection position, the accuracy of detection is put in the ultrahigh frequency office has been improved.
The telescopic insulating rod 10 comprises a sleeve 11 and a movable rod 12, the sleeve 11 is sleeved on the outer wall of the movable rod 12 in a sliding mode, the length of the telescopic insulating rod 10 is adjusted by adjusting the length of the movable rod 12 inserted into the sleeve 11, and when the length of the telescopic insulating rod 10 needs to be increased, the exposed length of the movable rod 12 is extended, so that the overall length of the telescopic insulating rod 10 is increased; when the length of telescopic insulator spindle 10 is dwindled to needs, insert partly in sleeve pipe 11 with movable rod 12 to reduce the length of telescopic insulator spindle 10, can adjust the length of telescopic insulator spindle 10 according to joining in marriage net column switch, isolator's height like this, made things convenient for measurement personnel to join in marriage net column switch, isolator of co-altitude not and carried out the superfrequency office and put the detection.
Wherein, one end of the sleeve 11 is provided with an opening, the opening end of the sleeve 11 is provided with a fixed claw sleeve 16, and the outer wall of the fixed claw sleeve 16 is sleeved with a fastening nut sleeve 13 in a threaded manner; the fixed claw sleeve 16 and the sleeve 11 are in an integrated structure, and the inner diameter of the fixed claw sleeve 16 is the same as that of the sleeve 11; the fixed jaw case 16 is contracted by the fastening nut case 13 to fasten the movable rod 12.
Wherein, when the length of telescopic insulator spindle 10 needs to be adjusted, fastening nut cover 13 is rotated clockwise to become flexible fixed claw sleeve 16, then movable rod 12 can slide in sleeve 11, thereby adjust the length of telescopic insulator spindle 10, treat the length adjustment back of telescopic insulator spindle 10, fastening nut cover 13 is rotated anticlockwise, fixed claw sleeve 16 is locked through fastening nut cover 13, the position of movable rod 12 is fixed through fixed claw sleeve 16, thereby the length of telescopic insulator spindle 10 is fixed.
Wherein, the movable rod 12 is symmetrically and fixedly provided with sliding blocks 14 at one end positioned at the inner side of the sleeve 11 through bolts, the inner wall of the sleeve 11 is symmetrically provided with sliding grooves 15 matched with the sliding blocks 14, and the movable rod 12 is matched with the sliding grooves 15 through the sliding blocks 14 and is in sliding connection with the sleeve 11; the sliding of the movable rod 12 within the sleeve 12 is facilitated by the cooperation of the slider 14 and the slide slot 15.
Wherein, the one end that movable rod 12 is located the sleeve pipe 11 outside has link 17 through bolt fixed mounting, through set up link 17 at movable rod 12 tip, when not using this supplementary detection instrument, can hang this supplementary detection instrument through link 17, has made things convenient for and has placed.
The electric hydraulic push rod 40 is rotatably connected with the ultrahigh frequency sensor support 20 through a hinged support, and the electric hydraulic push rod 40 is rotatably connected with the telescopic insulating rod 11 through a hinged support; when the inclination angle of the ultrahigh frequency sensor support 20 needs to be adjusted, the ultrahigh frequency sensor support 20 can be pushed to rotate around the end of the telescopic insulating rod 10 by the electric hydraulic push rod 40, so that the inclination angle of the ultrahigh frequency sensor support 20 can be adjusted.
Wherein, there is the superfrequency sensor 20 upper surface through bolt fixed mounting, the superfrequency sensor is used for accepting to join in marriage the superfrequency discharge signal that net column switch and isolator discharge pulse arouse, to joining in marriage net column switch when needs, isolator carries out superfrequency office and puts detection achievement, prop up superfrequency sensor support 20 through telescopic insulator spindle 10, make superfrequency sensor on the superfrequency sensor support 20 be close to and join in marriage net column switch, isolator, through superfrequency sensor to joining in marriage net column switch, isolator carries out superfrequency office and puts the detection.
The working principle is as follows: when the special high-frequency partial discharge detection device is used, when the special high-frequency partial discharge detection of the distribution network pole top switch and the isolating switch is needed, a detection person can hold the telescopic insulating rod 10 by hand to enable the special high-frequency sensor on the special high-frequency sensor support 20 to be close to the distribution network pole top switch and the isolating switch, the special high-frequency partial discharge detection work can be carried out on the distribution network pole top switch and the isolating switch without the need of the detection person to climb the rod, the potential discharge hazards inside the distribution network pole top switch and the isolating switch can be found in time, the fault rate of the distribution network pole top switch and the isolating switch can be reduced, and the operation reliability of the distribution network pole top switch and the isolating switch can be improved; and the detection personnel also do not need to be close to the live equipment, the personal injury to the detection personnel caused by the live equipment is avoided, and the safety of the ultrahigh frequency partial discharge detection work of the distribution network column switch and the isolating switch is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a distribution superfrequency detects special auxiliary detection instrument, includes telescopic insulator spindle (10), superfrequency sensor mount (20), universal joint (30) and electronic hydraulic push rod (40), its characterized in that: universal joint (30) one end is passed through bolt fixed mounting and is in the center department of superfrequency sensor support (20) lower surface, universal joint (30) other end pass through the bolt with telescopic insulator spindle (10) fixed connection, telescopic insulator spindle (10) are passed through universal joint (30) with superfrequency sensor support (20) rotate to be connected, electronic hydraulic push rod (40) one end with the edge of superfrequency sensor support (20) lower surface rotates to be connected, electronic hydraulic push rod (40) other end with one side of telescopic insulator spindle (10) outer wall rotates to be connected.
2. The special auxiliary detection tool for distribution ultrahigh frequency detection according to claim 1, characterized in that: the telescopic insulating rod (10) comprises a sleeve (11) and a movable rod (12), wherein the sleeve (11) is sleeved on the outer wall of the movable rod (12) in a sliding mode.
3. The special auxiliary detection tool for distribution ultrahigh frequency detection according to claim 2, characterized in that: the sleeve is characterized in that one end of the sleeve (11) is opened, a fixed claw sleeve (16) is arranged at the opening end of the sleeve (11), and a fastening nut sleeve (13) is sleeved on the outer wall of the fixed claw sleeve (16) in a threaded manner.
4. The special auxiliary detection tool for distribution ultrahigh frequency detection according to claim 3, characterized in that: the movable rod (12) is located there are slider (14) in the inboard one end of sleeve pipe (11) through bolt symmetry fixed mounting, the cooperation has been seted up to sleeve pipe (11) inner wall symmetry spout (15) of slider (14), movable rod (12) pass through slider (14) and spout (15) cooperation with sleeve pipe (11) sliding connection.
5. The tool of claim 4, wherein the tool comprises: one end of the movable rod (12) which is positioned at the outer side of the sleeve (11) is fixedly provided with a hanging ring (17) through a bolt.
6. The tool of claim 5, wherein the tool comprises: the fixed claw sleeve (16) and the sleeve (11) are of an integrated structure, and the inner diameter of the fixed claw sleeve (16) is the same as that of the sleeve (11).
7. The tool of claim 6, wherein the tool comprises: the fixed claw sleeve (16) is contracted and fastened with the movable rod (12) through a fastening nut sleeve (13).
8. The tool of claim 7, wherein the tool comprises: the electric hydraulic push rod (40) is rotatably connected with the ultrahigh frequency sensor support (20) through a hinged support, and the electric hydraulic push rod (40) is rotatably connected with the telescopic insulating rod (11) through a hinged support.
9. The tool of claim 8, wherein the tool comprises: the ultrahigh frequency sensor is characterized in that an ultrahigh frequency sensor is fixedly mounted on the upper surface of the ultrahigh frequency sensor support (20) through bolts and used for receiving ultrahigh frequency discharge signals excited by discharge pulses of a switch and an isolating switch on the distribution network column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111211056.8A CN114019301A (en) | 2021-10-18 | 2021-10-18 | Special auxiliary detection tool for distribution ultrahigh frequency detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111211056.8A CN114019301A (en) | 2021-10-18 | 2021-10-18 | Special auxiliary detection tool for distribution ultrahigh frequency detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114019301A true CN114019301A (en) | 2022-02-08 |
Family
ID=80056489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111211056.8A Pending CN114019301A (en) | 2021-10-18 | 2021-10-18 | Special auxiliary detection tool for distribution ultrahigh frequency detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114019301A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205880130U (en) * | 2016-06-30 | 2017-01-11 | 张凡雨 | GIS equipment partial discharge detector pole |
| CN106370987A (en) * | 2016-11-03 | 2017-02-01 | 云南电网有限责任公司普洱供电局 | Live detection support rod applied to external ultrahigh frequency sensor |
| CN106597029A (en) * | 2015-10-17 | 2017-04-26 | 广西电网有限责任公司桂林供电局 | GIS partial discharge ultrasonic and ultrahigh-frequency detection sensor fixation device |
| CN207626772U (en) * | 2017-11-22 | 2018-07-20 | 杭州萨莎科技有限公司 | A kind of compound telescopic sanitary sanitary ware |
| CN209417096U (en) * | 2018-12-14 | 2019-09-20 | 长缆电工科技股份有限公司 | A kind of test terminal |
| CN210041243U (en) * | 2019-06-18 | 2020-02-07 | 镇江威斯康电器有限公司 | Bus duct suspension device |
| CN210894588U (en) * | 2019-09-19 | 2020-06-30 | 广东电网有限责任公司 | Device for GIS partial discharge detection |
| CN111983351A (en) * | 2020-08-13 | 2020-11-24 | 李桂珍 | Electric power detection device that electric power construction used |
| CN112372592A (en) * | 2020-11-04 | 2021-02-19 | 青岛黄海学院 | Adjustable intelligent operation table and operation method thereof |
| CN213810249U (en) * | 2020-12-31 | 2021-07-27 | 青岛美芯海岸智能科技有限责任公司 | LED lamp with wiring groove |
| CN113325285A (en) * | 2021-06-29 | 2021-08-31 | 上海萦米科技有限公司 | Adjustable partial discharge detection device |
| CN214310704U (en) * | 2020-09-19 | 2021-09-28 | 齐鲁质量鉴定有限公司 | Detection device for environmental radiation |
-
2021
- 2021-10-18 CN CN202111211056.8A patent/CN114019301A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597029A (en) * | 2015-10-17 | 2017-04-26 | 广西电网有限责任公司桂林供电局 | GIS partial discharge ultrasonic and ultrahigh-frequency detection sensor fixation device |
| CN205880130U (en) * | 2016-06-30 | 2017-01-11 | 张凡雨 | GIS equipment partial discharge detector pole |
| CN106370987A (en) * | 2016-11-03 | 2017-02-01 | 云南电网有限责任公司普洱供电局 | Live detection support rod applied to external ultrahigh frequency sensor |
| CN207626772U (en) * | 2017-11-22 | 2018-07-20 | 杭州萨莎科技有限公司 | A kind of compound telescopic sanitary sanitary ware |
| CN209417096U (en) * | 2018-12-14 | 2019-09-20 | 长缆电工科技股份有限公司 | A kind of test terminal |
| CN210041243U (en) * | 2019-06-18 | 2020-02-07 | 镇江威斯康电器有限公司 | Bus duct suspension device |
| CN210894588U (en) * | 2019-09-19 | 2020-06-30 | 广东电网有限责任公司 | Device for GIS partial discharge detection |
| CN111983351A (en) * | 2020-08-13 | 2020-11-24 | 李桂珍 | Electric power detection device that electric power construction used |
| CN214310704U (en) * | 2020-09-19 | 2021-09-28 | 齐鲁质量鉴定有限公司 | Detection device for environmental radiation |
| CN112372592A (en) * | 2020-11-04 | 2021-02-19 | 青岛黄海学院 | Adjustable intelligent operation table and operation method thereof |
| CN213810249U (en) * | 2020-12-31 | 2021-07-27 | 青岛美芯海岸智能科技有限责任公司 | LED lamp with wiring groove |
| CN113325285A (en) * | 2021-06-29 | 2021-08-31 | 上海萦米科技有限公司 | Adjustable partial discharge detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109538257B (en) | Umbrella-shaped point column type temporary support for coal mine tunnel | |
| CN114019301A (en) | Special auxiliary detection tool for distribution ultrahigh frequency detection | |
| CN107221878B (en) | A kind of multi-functional electric power overhaul open field test assistor | |
| CN106092172B (en) | A kind of detachable high voltage generating station detection means | |
| CN214502740U (en) | Tension meter dynamometry auxiliary device | |
| CN205976539U (en) | Reinforcing bar detector extension bar device that stretches out and draws back | |
| CN214668186U (en) | Concrete strength detector convenient to carry | |
| CN209590149U (en) | A kind of rotation test platform for electrical wave measurement | |
| CN205941787U (en) | Rotation type ultrasonic sensor fixing device | |
| CN214539964U (en) | Cable television line breakpoint detection device | |
| CN205958003U (en) | Can dismantle high -tension electricity station detection device | |
| CN212410522U (en) | Inside ultrasonic detection device of pile body | |
| CN210954152U (en) | Novel full-loop electroscope | |
| CN213517603U (en) | Object approach detection sensing device based on Internet of things | |
| CN220691114U (en) | Detection induction clamp | |
| CN209764105U (en) | Assembled extension rod of prism rod | |
| CN220830576U (en) | Cable insulation fault detection test power supply convenient to carry | |
| CN209979618U (en) | Multi-functional wear-resisting metal detecting instrument | |
| CN205698978U (en) | Main distribution transformer safety band hanging device | |
| CN212781035U (en) | Auxiliary device convenient to electric electromagnetic compatibility detects | |
| CN214704048U (en) | Building electrical casing pipe plugging point positioning device | |
| CN215725788U (en) | Civil engineering house detects appraisal size measuring device | |
| CN221553680U (en) | Data acquisition device | |
| CN219353905U (en) | Detection device convenient to adjust | |
| CN220288963U (en) | Detection tool for stall safety hook |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |