CN113776660A - Transformer vibration detection equipment - Google Patents

Transformer vibration detection equipment Download PDF

Info

Publication number
CN113776660A
CN113776660A CN202111329756.7A CN202111329756A CN113776660A CN 113776660 A CN113776660 A CN 113776660A CN 202111329756 A CN202111329756 A CN 202111329756A CN 113776660 A CN113776660 A CN 113776660A
Authority
CN
China
Prior art keywords
sliding
vibration detection
transformer
workbench
rod
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.)
Granted
Application number
CN202111329756.7A
Other languages
Chinese (zh)
Other versions
CN113776660B (en
Inventor
李振
马立明
王勇
陈小磊
王艳艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Hengye Electric Power Equipment Co ltd
Original Assignee
Shandong Dachi Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Dachi Electric Co Ltd filed Critical Shandong Dachi Electric Co Ltd
Priority to CN202111329756.7A priority Critical patent/CN113776660B/en
Publication of CN113776660A publication Critical patent/CN113776660A/en
Application granted granted Critical
Publication of CN113776660B publication Critical patent/CN113776660B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention relates to the technical field of transformer vibration detection, and discloses transformer vibration detection equipment, which comprises a workbench, a guide rod, a lateral vibration detection mechanism and a vertical vibration detection mechanism, wherein the middle part of the workbench is connected with the guide rod in a sliding manner, and one end of the guide rod, which is far away from the ground, is provided with a supporting plate; the lateral vibration detection mechanism comprises a first sliding chute arranged at the end part of the workbench, the first sliding chute is connected with a sliding seat in a sliding manner, a second sliding chute is arranged on one side of the sliding seat, which is far away from the ground, the second sliding chute is connected with a sliding block in a sliding manner, and a sliding sleeve is rotatably connected onto the sliding block; the vertical vibration detection mechanism is arranged on one side, close to the ground, of the workbench and comprises a second fixing plate fixedly connected with the workbench. The invention is suitable for transformer vibration detection equipment, and the lateral vibration detection mechanism and the vertical vibration detection mechanism are arranged, so that the lateral vibration and the vertical vibration of the transformer are well detected and processed.

Description

Transformer vibration detection equipment
Technical Field
The invention relates to the technical field of transformer vibration detection, in particular to transformer vibration detection equipment.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.
The transformer is fixed on the support usually, and the inside vibrations that can lead to the device wholly to appear owing to the work of inside electrical components of transformer simultaneously, nevertheless vibrations itself can lead to the fact the damage to the transformer, consequently needs to shake control at a reasonable scope, so when the transformer leaves the factory, all need detect the vibrations of transformer, guarantees that the scope of vibrations accords with in-service use.
Disclosure of Invention
The invention provides a transformer vibration detection device, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a transformer vibration detection device comprises a workbench, a guide rod is connected to the middle of the workbench in a sliding mode, a supporting plate is arranged at one end, far away from the ground, of the guide rod, and the transformer vibration detection device further comprises a lateral vibration detection mechanism and a vertical vibration detection mechanism;
the lateral vibration detection mechanism comprises a first sliding groove arranged at the end part of the workbench, the first sliding groove is connected with a sliding seat in a sliding manner, a second sliding groove is arranged at one side of the sliding seat, which is far away from the ground, and is connected with a sliding block in a sliding manner, a sliding sleeve is rotatably connected onto the sliding block, a sliding rod is slidably connected inside the sliding sleeve, and a first vibration detection device is arranged at one side of the sliding rod, which is far away from the center of the device;
perpendicularly to vibrations detection mechanism, set up in the workstation one side that is close to ground, include the second fixed plate with workstation fixed connection, the middle part of second fixed plate is rotated and is connected the third lead screw, the middle part threaded connection nut of third lead screw, the both ends of nut are equipped with the dwang, and the middle part of dwang is rotated and is connected with the rotor plate, and the one end that the device center was kept away from to the rotor plate is equipped with second vibrations detection device, the middle part sliding connection of workstation have with layer board complex ejector pin, the lower extreme of ejector pin be equipped with rotor plate complex guiding axle.
As a preferable technical scheme of the invention, a first spring is arranged between the supporting plate and the workbench, and the first spring is sleeved outside the guide rod.
As a preferable technical scheme of the invention, third sliding grooves are formed in two sides of the workbench, the third sliding grooves are connected with clamping plates in a sliding mode, clamping blocks are arranged on one sides, close to the center of the device, of the clamping plates, and second springs are arranged between the clamping plates and the third sliding grooves.
As a preferred technical solution of the present invention, a first fixing plate is disposed at an end of the first sliding chute, the first fixing plate is in threaded connection with a first lead screw, and an end of the first lead screw is rotatably connected with the sliding seat.
As a preferable technical scheme of the invention, the end part of the second chute is in threaded connection with a second screw rod, and the end part of the second screw rod is rotatably connected with a sliding block.
In a preferred embodiment of the present invention, the center of gravity of the sliding rod is located on a side of the sliding sleeve away from the center of the apparatus, and the center of gravity of the rotating plate is located on a side of the rotating rod away from the center of the apparatus.
As a preferable aspect of the present invention, the first vibration detection device and the second vibration detection device are vibration detection sensors.
As a preferable technical solution of the present invention, the first vibration detection device and the second vibration detection device are vibration sound generation devices.
The invention has the following advantages:
the invention is suitable for a transformer vibration detection device, the lateral vibration detection mechanism and the vertical vibration detection mechanism are arranged, so that the lateral vibration and the vertical vibration of the transformer can be well detected and processed, and the amplification proportion of the vibration can be freely adjusted in the detection process, so that the device can effectively detect different vibration ranges, and the whole device has the advantages of simple structure, convenience in use, low manufacturing cost and suitability for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a transformer vibration detection device.
Fig. 2 is a front view of a transformer shake detection apparatus.
Fig. 3 is a schematic structural diagram of a lateral vibration detection mechanism in a transformer vibration detection device.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a schematic structural diagram of a clamping plate in the transformer vibration detection device.
Fig. 6 is a side view of fig. 5.
Fig. 7 is a schematic structural diagram of a vertical vibration detection mechanism in the transformer vibration detection device.
Fig. 8 is a front view of fig. 7.
In the figure: 1. a work table; 2. a lateral vibration detection mechanism; 3. a vertical vibration detection mechanism; 4. a guide bar; 5. a support plate; 6. a first chute; 7. a sliding seat; 8. a second chute; 9. a slide bar; 10. a sliding sleeve; 11. a slider; 12. a second lead screw; 13. a first shake detection device; 14. a first lead screw; 15. a first fixing plate; 16. a first spring; 17. a third chute; 18. a second spring; 19. a clamping plate; 20. a clamping block; 21. a top rod; 22. a guide shaft; 23. a nut; 24. rotating the rod; 25. a rotating plate; 26. a second shake detection device; 27. a third screw rod; 28. and a second fixing plate.
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.
In an embodiment, please refer to fig. 1-8, a transformer vibration detection apparatus includes a workbench 1, a guide rod 4 is slidably connected to a middle portion of the workbench 1, a supporting plate 5 is disposed at one end of the guide rod 4 away from the ground, the guide rods 4 are disposed at four corners of a lower surface of the supporting plate 5, the middle portion of the guide rod 4 is slidably connected to the workbench 1, a first spring 16 is disposed between the supporting plate 5 and the workbench 1, and the first spring 16 is sleeved outside the guide rod 4, so that a supporting effect on the apparatus is achieved through the supporting plate 5, and the transformer vibration detection apparatus further includes a lateral vibration detection mechanism 2 and a vertical vibration detection mechanism 3;
the lateral vibration detection mechanism 2 comprises a first sliding chute 6 arranged at the end part of a workbench 1, the first sliding chute 6 is connected with a sliding seat 7 in a sliding manner, one side of the sliding seat 7 far away from the ground is provided with a second sliding chute 8, the second sliding chute 8 is connected with a sliding block 11 in a sliding manner, the sliding block 11 is connected with a sliding sleeve 10 in a rotating manner, the inside of the sliding sleeve 10 is connected with a sliding rod 9 in a sliding manner, one side of the sliding rod 9 far away from the center of the device is provided with a first vibration detection device 13, the left side of the workbench 1 is provided with the first sliding chute 6, the first sliding chute 6 is connected with the lower side of the sliding seat 7 in a sliding manner, the upper part of the sliding seat 7 is provided with a second sliding chute 8, the end part of the second sliding chute 8 is connected with a second lead screw 12 in a threaded manner, the end part of the second lead screw 12 is connected with the sliding block 11 in a rotating manner, the sliding block 11 can move up and down along the second sliding chute 8, and the second lead screw 12 is connected above the second sliding block 11 in a threaded manner, so that the second lead screw 12 drives the sliding block 11 to move up and down, a first fixing plate 15 is arranged at the end part of the first sliding chute 6, the first fixing plate 15 is in threaded connection with a first screw rod 14, the end part of the first screw rod 14 is rotatably connected with the sliding seat 7, the first fixing plate 15 is arranged at the left end of the lower surface of the workbench 1, and the sliding seat 7 can be pushed to move left and right through the first screw rod 14;
the vertical vibration detection mechanism 3 is arranged on one side of the workbench 1 close to the ground, and comprises a second fixing plate 28 fixedly connected with the workbench 1, the middle part of the second fixing plate 28 is rotatably connected with a third screw rod 27, the middle part of the third screw rod 27 is in threaded connection with a nut 23, two ends of the nut 23 are provided with rotating rods 24, the middle part of the rotating rods 24 is rotatably connected with a rotating plate 25, one end of the rotating plate 25 far away from the center of the device is provided with a second vibration detection device 26, the middle part of the workbench 1 is slidably connected with a push rod 21 matched with the supporting plate 5, the lower end of the push rod 21 is provided with a guide shaft 22 matched with the rotating plate 25, the guide shaft 22 is tightly pressed on the upper part of the left side of the rotating plate 25, and the contact surface of the guide shaft 22 and the rotating plate 25 is an arc surface, so that the guide shaft 22 can conveniently slide relative to the left side of the upper surface of the rotating plate 25, and the upper end of the push rod 21 props against the lower surface of the supporting plate 5, i.e. the up and down movement of the pallet 5 can be transmitted to the carrier rods 21.
In one aspect of this embodiment, referring to fig. 1, third sliding grooves 17 are disposed on two sides of the working platform 1, the third sliding grooves 17 are slidably connected to a clamping plate 19, a clamping block 20 is disposed on one side of the clamping plate 19 close to the center of the device, and a second spring 18 is disposed between the clamping plate 19 and the third sliding grooves 17. Third sliding grooves 17 are formed in the front side and the rear side of the workbench 1, the third sliding grooves 17 are connected with the lower portion of a clamping plate 19 in a sliding mode, and a clamping block 20 is arranged on one side, close to the center of the device, of the upper end of the clamping plate 19. The front side and the rear side of the transformer can be limited by arranging the clamping blocks 20, so that the transformer can be stably placed on the supporting plate 5.
In one aspect of this embodiment, referring to fig. 1, the center of gravity of the sliding rod 9 is located on the side of the sliding sleeve 10 away from the center of the device, and the center of gravity of the rotating plate 25 is located on the side of the rotating rod 24 away from the center of the device. The slide lever 9 is thus kept in a state of being inclined to the lower right while the slide lever 9 is kept in a tendency of being turned counterclockwise, so that the slide lever 9 can be held against the left side of the transformer. While the rotating plate 25 is kept in a state of being inclined to the lower left, the rotating plate 25 keeps a tendency of rotating clockwise, so that the left side of the rotating plate 25 abuts against the guide shaft 22.
In one aspect of the present embodiment, referring to fig. 1, the first vibration detecting device 13 and the second vibration detecting device 26 are vibration detecting sensors. The vibration detection sensor is an electronic sensor and can identify vibration so as to realize the effect of detecting vibration, and the vibration detection sensor can be connected with a related data collection computer to read out vibration data in real time.
The first vibration detection device 13 and the second vibration detection device 26 are vibration sound emitting devices. Meanwhile, in order to reduce the manufacturing cost and the control cost of the whole device, bells can be arranged at the ends of the rotating plate 25 and the sliding rod 9 to serve as vibration sounding devices, and when the rotating plate 25 and the sliding rod 9 swing, the bells will sound, so that the effect of detecting vibration is achieved.
In the implementation process of the embodiment, when the device works, the workbench 1 is effectively fixed firstly, and can be directly arranged beside a related operating platform, or supporting legs can be arranged on the lower surface of the workbench 1, the whole workbench 1 is supported through the supporting legs, and at the moment, the whole device can be normally used. The clamping plate 19 is separated twice, the transformer to be detected is placed at the center position of the supporting plate 5, the clamping plate 19 is loosened, and the transformer is stably placed on the supporting plate 5 under the action of the second spring 18.
When lateral vibration is detected, firstly, the first screw rod 14 is rotated, the left and right positions of the sliding seat 7, namely the contact position of the sliding rod 9 and the sliding sleeve 10, can be adjusted by the first screw rod 14, so that a power arm and a resistance arm on the lever principle are changed, the amplification effect of the vibration of the transformer is realized, when the vibration required by the transformer is small, the sliding seat 7 can be moved to the right side, so that the sliding rod 9 on the right side of the sliding sleeve 10 is reduced, the amplification proportion of the vibration is increased at the moment, otherwise, the operation is opposite, the second screw rod 12 can be rotated, the up and down positions of the sliding rod 9 are adjusted by the second screw rod 12, so that the contact position of the right end of the sliding rod 9 and the transformer is adjusted, the vibration of the transformer can be better transmitted to the sliding rod 9, when the transformer works, the lateral vibration of the transformer can be transmitted to the sliding rod 9, so that the sliding rod 9 swings, at this time, the first vibration detection device 13 on the left side of the sliding rod 9 can detect vibration, and a lateral vibration detection effect is achieved.
For the vertical vibration detection, the third screw 27 is rotated, the third screw 27 drives the nut 23 to move left and right, so as to adjust the contact position between the rotating plate 25 and the guide shaft 22, as with the above adjustment, the power arm and the resistance arm in the lever principle are also adjusted, when the vibration range of the transformer is small, the nut 23 can be moved to the left side, so that the guide shaft 22 moves to the right side relative to the rotating plate 25, so as to reduce the power arm, at this moment, the swing range of the right end of the rotating plate 25 is increased, and at this moment, the rotating plate 25 pushes the mandril 21 upwards, so that the upper end of the mandril 21 is tightly attached to the lower surface of the supporting plate 5, when the transformer vibrates vertically, the mandril 21 moves up and down, at this moment, the rotating plate 25 rotates, the second vibration detection device 26 can detect the vibration, so as to realize the vertical vibration detection effect.
The invention is suitable for a transformer vibration detection device, the lateral vibration detection mechanism 2 and the vertical vibration detection mechanism 3 are arranged to enable the lateral vibration and the vertical vibration of the transformer to be well detected and processed, and the amplification proportion of the vibration can be freely adjusted in the detection process, so that the device can effectively detect different vibration ranges, and the whole device has the advantages of simple structure, convenient use, low manufacturing cost and suitability for popularization and use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The transformer vibration detection equipment comprises a workbench, wherein the middle part of the workbench is connected with a guide rod in a sliding manner, and one end of the guide rod, which is far away from the ground, is provided with a supporting plate; the lateral vibration detection mechanism comprises a first sliding groove arranged at the end part of the workbench, the first sliding groove is connected with a sliding seat in a sliding manner, a second sliding groove is arranged at one side of the sliding seat, which is far away from the ground, and is connected with a sliding block in a sliding manner, a sliding sleeve is rotatably connected onto the sliding block, a sliding rod is slidably connected inside the sliding sleeve, and a first vibration detection device is arranged at one side of the sliding rod, which is far away from the center of the device; perpendicularly to vibrations detection mechanism, set up in the workstation one side that is close to ground, include the second fixed plate with workstation fixed connection, the middle part of second fixed plate is rotated and is connected the third lead screw, the middle part threaded connection nut of third lead screw, the both ends of nut are equipped with the dwang, and the middle part of dwang is rotated and is connected with the rotor plate, and the one end that the device center was kept away from to the rotor plate is equipped with second vibrations detection device, the middle part sliding connection of workstation have with layer board complex ejector pin, the lower extreme of ejector pin be equipped with rotor plate complex guiding axle.
2. The transformer vibration detection device of claim 1, wherein a first spring is disposed between the supporting plate and the workbench, and the first spring is sleeved outside the guide rod.
3. The transformer vibration detection device according to claim 1 or 2, wherein third sliding grooves are formed in two sides of the workbench, the third sliding grooves are connected with clamping plates in a sliding mode, clamping blocks are arranged on one sides, close to the center of the device, of the clamping plates, and second springs are arranged between the clamping plates and the third sliding grooves.
4. The transformer vibration detection device according to claim 1, wherein a first fixing plate is disposed at an end of the first sliding chute, the first fixing plate is connected to the first lead screw through a screw thread, and an end of the first lead screw is rotatably connected to the sliding seat.
5. The transformer vibration detection device according to claim 1, wherein an end of the second sliding chute is connected with a second screw rod in a threaded manner, and an end of the second screw rod is rotatably connected with a sliding block.
6. The transformer vibration detection apparatus of claim 1, wherein the center of gravity of the sliding rod is located on a side of the sliding sleeve away from the center of the device, and the center of gravity of the rotating plate is located on a side of the rotating rod away from the center of the device.
7. The transformer vibration detection device of claim 1, wherein the first vibration detection means and the second vibration detection means are vibration detection sensors.
8. The transformer vibration detection device of claim 1, wherein the first vibration detection means and the second vibration detection means are vibration sound generation means.
CN202111329756.7A 2021-11-11 2021-11-11 Transformer vibration detection equipment Active CN113776660B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111329756.7A CN113776660B (en) 2021-11-11 2021-11-11 Transformer vibration detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111329756.7A CN113776660B (en) 2021-11-11 2021-11-11 Transformer vibration detection equipment

Publications (2)

Publication Number Publication Date
CN113776660A true CN113776660A (en) 2021-12-10
CN113776660B CN113776660B (en) 2022-02-01

Family

ID=78873734

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111329756.7A Active CN113776660B (en) 2021-11-11 2021-11-11 Transformer vibration detection equipment

Country Status (1)

Country Link
CN (1) CN113776660B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115060359A (en) * 2022-08-19 2022-09-16 陇东学院 Instrument vibration detection device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010033232A1 (en) * 2000-04-21 2001-10-25 Cheng-I Chen Earthquake alarm device
CN102901554A (en) * 2012-11-12 2013-01-30 吴江市东泰电力特种开关有限公司 Vibration detecting device for on-load tap-changer
JP2018096706A (en) * 2016-12-08 2018-06-21 ユカインダストリーズ株式会社 Diagnostic method and diagnostic device of internal abnormality and deterioration of transformer
CN208313548U (en) * 2018-06-20 2019-01-01 科峰航智电气科技(天津)有限公司 A kind of rotary transformer vibration test machine
CN211317501U (en) * 2019-11-11 2020-08-21 王建龙 Vibration monitoring device for coal mine electromechanical equipment
CN213336460U (en) * 2020-08-03 2021-06-01 武汉群泰自动化工程有限公司 Vibration detection device
CN113008352A (en) * 2021-03-05 2021-06-22 商丘工学院 Building structure vibration monitoring devices
CN113063491A (en) * 2021-03-17 2021-07-02 李敏仪 Whole vibrations detection device of bridge

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010033232A1 (en) * 2000-04-21 2001-10-25 Cheng-I Chen Earthquake alarm device
CN102901554A (en) * 2012-11-12 2013-01-30 吴江市东泰电力特种开关有限公司 Vibration detecting device for on-load tap-changer
JP2018096706A (en) * 2016-12-08 2018-06-21 ユカインダストリーズ株式会社 Diagnostic method and diagnostic device of internal abnormality and deterioration of transformer
CN208313548U (en) * 2018-06-20 2019-01-01 科峰航智电气科技(天津)有限公司 A kind of rotary transformer vibration test machine
CN211317501U (en) * 2019-11-11 2020-08-21 王建龙 Vibration monitoring device for coal mine electromechanical equipment
CN213336460U (en) * 2020-08-03 2021-06-01 武汉群泰自动化工程有限公司 Vibration detection device
CN113008352A (en) * 2021-03-05 2021-06-22 商丘工学院 Building structure vibration monitoring devices
CN113063491A (en) * 2021-03-17 2021-07-02 李敏仪 Whole vibrations detection device of bridge

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JING-JING XU: "A non-resonant vibration linear motor based on displacement amplification structure", 《2011 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA)》 *
邢子康 等: "一种含有杠杆元件的动力吸振器参数优化", 《振动工程学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115060359A (en) * 2022-08-19 2022-09-16 陇东学院 Instrument vibration detection device
CN115060359B (en) * 2022-08-19 2022-11-04 陇东学院 Instrument vibration detection device

Also Published As

Publication number Publication date
CN113776660B (en) 2022-02-01

Similar Documents

Publication Publication Date Title
CN113776660B (en) Transformer vibration detection equipment
US7443157B2 (en) Device and method for planeness testing
CN105845506B (en) A kind of relay overtravel parameter setting apparatus
CN101590744B (en) Hand-held laser marking machine and universal holding frame thereof thereof
CN214688756U (en) Special drawing board of portable finance economy
CN218037189U (en) PCB testing tool
CN105547119A (en) Plane robot position detection method and system based on resistance touch screen
CN213457247U (en) Electronic product detection device convenient to change carrier
CN212781107U (en) Circuit board function test equipment
CN203250002U (en) Voice coil motor (VCM) jitter test machine
CN209117828U (en) A kind of gravity percussive key detection all-in-one machine
CN111273123B (en) Transformer detection device
CN207440135U (en) A kind of pallet for electronic product detection
CN114062922A (en) Industrial motor manufacturing automation equipment fault detection device
JP2022158443A (en) Resistance-welding device
CN219590489U (en) Circuit board short circuit detection device
CN104111418A (en) VCM (voice coil motor) jitter detection machine
CN220542390U (en) Relay impact resistance detection device
CN220473610U (en) Electronic electricity measuring device convenient to move
US2240321A (en) Transcribing machine
US2267465A (en) Recording electric meter
CN217005745U (en) Magnet height detection device
CN220271393U (en) Keyboard mouse PCBA automatic checkout device
CN215004784U (en) Power capacitor intensity detection device
CN214703729U (en) Positioning device applied to flexible circuit board electrical measurement

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
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240229

Address after: 274200 Yongchang Street Office, Chengwu County, Heze City, Shandong Province, China, Quancheng Road South Section, East Caijin Electromechanical Industrial Park, Workshop 2

Patentee after: Shandong Hengye Electric Power Equipment Co.,Ltd.

Country or region after: China

Address before: 274200 Dongjiao Industrial Park, Chengwu County, Heze City, Shandong Province

Patentee before: SHANDONG DACHI ELECTRIC Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right