CN111504788B - Tension detection mechanism for copper wire after bending - Google Patents
Tension detection mechanism for copper wire after bending Download PDFInfo
- Publication number
- CN111504788B CN111504788B CN202010390347.7A CN202010390347A CN111504788B CN 111504788 B CN111504788 B CN 111504788B CN 202010390347 A CN202010390347 A CN 202010390347A CN 111504788 B CN111504788 B CN 111504788B
- Authority
- CN
- China
- Prior art keywords
- moving
- column
- seat
- lifting
- arc
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
The invention discloses a tension detection mechanism after copper wires are bent, which comprises a bottom plate, a driving mechanism arranged on the bottom plate, a pulling mechanism controlled by the driving mechanism, and two mutually symmetrical moving mechanisms, wherein the pulling mechanism comprises a lifting column, a tray seat and a pulling tray; the moving mechanism comprises an arc clamping plate, a strip-shaped clamping ring, a moving seat and a moving disc, wherein a copper wire to be detected is wound between the moving disc and the pulling disc. The invention has smart design and convenient use.
Description
Technical Field
The invention relates to the technical field of copper wire quality detection, in particular to a tension detection mechanism for a copper wire after bending.
Background
In life, a practical copper wire is used as a conducting wire. The conductivity of the copper wire is good, and the copper wire is widely used for manufacturing wires, cables, brushes and the like; copper wires have good heat conductivity and are commonly used for manufacturing magnetic instruments and meters which need to be protected from magnetic interference, such as compasses, aviation meters and the like; the copper wire has excellent plasticity, is easy to be processed by hot pressing and cold pressing, and can be made into copper materials such as pipes, bars, wires, strips, plates, foils and the like. The pure copper products are two kinds of smelting products and processed products.
The copper wire can be formed by wire drawing during factory production, and the quality of the wire formed by wire drawing needs to be detected, especially when the wire is used for conducting electricity, if the outdoor suspended copper wire is bent by being pressed by a heavy object, the bearing force of the copper wire needs to reach a certain value.
Disclosure of Invention
The invention provides a tension detection mechanism for a copper wire after bending, which can effectively solve the technical problems in the background.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a tensile force detection mechanism after copper line is crooked, includes the bottom plate and establishes the actuating mechanism on the bottom plate and by actuating mechanism control pulling mechanism, two mutual symmetrical mobile mechanism, pulling mechanism is including lifting column, dish seat, pulling tray, the dish seat is fixed in the bottom of pulling tray, the bottom of dish seat is equipped with the spliced pole, the upper surface of lifting column vertically extends to the inside of lifting column has the jack, be equipped with the pressure plate in the jack, the bottom of pressure plate is equipped with pressure sensor, the spliced pole inserts in the jack and can extrude with pressure plate between, the lifting column is by actuating mechanism control reciprocates; the moving mechanism comprises an arc clamping plate, a strip-shaped clamping ring, a moving seat and a moving disc, wherein a clamping column is arranged at the center of the side wall of the moving disc, the clamping column is arranged in an arc-shaped hole of the arc clamping plate and can move in the arc-shaped hole, the moving seat is fixed at the bottom of the strip-shaped clamping ring, a sliding block is arranged at the bottom of the moving seat, the sliding block is inserted into a sliding groove formed in the upper surface of the moving plate, the moving seat is controlled by a driving mechanism to move left and right, the clamping column is clamped in the strip-shaped hole of the strip-shaped clamping ring, and the moving disc and the pulling disc are used for winding a detected copper wire.
Preferably, the driving mechanism comprises a base, a lifting hydraulic cylinder and a translation hydraulic cylinder which are fixed on the base.
Preferably, the lifting column is connected with the lifting hydraulic cylinder and is controlled by the lifting hydraulic cylinder to move up and down.
Preferably, the movable seat is connected with the translation hydraulic cylinder and is controlled by the translation hydraulic cylinder to translate left and right.
Preferably, the arc-shaped clamping plate is fixed on the bottom plate through a supporting rod connected with the arc-shaped clamping plate.
Preferably, a first groove is formed in the outer periphery of the pull disc, and a second groove is formed in the outer periphery of the moving disc.
The invention has the beneficial effects that:
according to the invention, the arc clamping plates are matched with the strip-shaped clamping rings, so that the clamping columns on the movable disc can move, the bending degree of the copper wire on the pulling disc can be adjusted, and the lifting hydraulic cylinder is used for controlling the pulling disc to lift to detect the tensile force born by the copper wire after bending. The invention has smart design and convenient use.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
Fig. 1: the invention is a schematic structural diagram.
Fig. 2: the moving mechanism of the invention is a schematic structural diagram.
Fig. 3: the structure of the pulling mechanism is schematically shown.
In the figure: 1. the lifting device comprises a bottom plate, 2, lifting columns, 3, a tray seat, 4, a pull disc, 5, an inserting column, 6, an inserting hole, 7, a pressure plate, 8, an arc clamping plate, 9, a strip clamping ring, 10, a moving seat, 11, a moving tray, 12, a clamping column, 13, an arc hole, 14, a sliding block, 15, a sliding chute, 16, a strip hole, 17, a base, 18, a lifting hydraulic cylinder, 19, a translation hydraulic cylinder, 20, a supporting rod, 21 and a copper wire.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be implemented in a number of different ways, which are defined and covered by the claims:
referring to fig. 1 to 3, the present invention provides a tension detecting mechanism after bending copper wires, which comprises a base plate 1, a driving mechanism arranged on the base plate 1, a pulling mechanism controlled by the driving mechanism, and two symmetrical moving mechanisms.
Referring to fig. 1, the driving mechanism includes a base 17, a lifting hydraulic cylinder 18 and a translation hydraulic cylinder 19 fixed on the base 17.
Referring to fig. 1 and 3, the pulling mechanism includes a lifting column 2, a tray seat 3, and a pulling tray 4, the tray seat 3 is fixed at the bottom of the pulling tray 4, the bottom of the tray seat 3 is provided with a plug column 5, the upper surface of the lifting column 2 extends vertically toward the inside of the lifting column 2 to form a jack 6, a pressure plate 7 is disposed in the jack 6, a pressure sensor is disposed at the bottom of the pressure plate 7, the plug column 5 is inserted into the jack 6 and can be pressed between the jack 6 and the pressure plate 7, the lifting column 2 is connected with a lifting hydraulic cylinder 18 and is controlled to move up and down by the lifting hydraulic cylinder 18, when the pulling tray 4 receives downward force, the plug column 5 can be pressed between the pressure plate 7, the pressure sensor can detect the pressure received by the pressure plate 7, and the lifting hydraulic cylinder 18 can also control the lifting of the lifting column 2 to control the pressure received by the pressure plate 7.
Referring to fig. 1 and 2, the moving mechanism includes an arc-shaped clamping plate 8, a bar-shaped clamping ring 9, a moving seat 10, and a moving tray 11, wherein the arc-shaped clamping plate 8 is fixed on the bottom plate 1 through a supporting rod 20 connected to the arc-shaped clamping plate 8, a clamping column 12 is arranged at the center of the side wall of the moving tray 11, and the clamping column 12 is arranged in an arc-shaped hole 13 of the arc-shaped clamping plate 8 and can move in the arc-shaped hole 13.
Please note that referring to fig. 2, the movable seat 10 is fixed at the bottom of the bar-shaped snap ring 9, the bottom of the movable seat 10 is provided with a sliding block 14, the sliding block 14 is inserted into a sliding groove 15 formed on the upper surface of the movable plate, the movable seat 10 is connected with a translation hydraulic cylinder 19 and is controlled to translate left and right by the translation hydraulic cylinder 19, and since the bar-shaped hole 16 of the bar-shaped snap ring 9 clamps the clamping column 12, when the movable seat 10 moves in a direction away from the base, the clamping column 12 can move in the arc-shaped hole 13 in a direction away from the base under the action of the bar-shaped snap ring 9.
The copper wire 21 to be detected is wound between the movable disc 11 and the pull disc 4, the first groove is formed in the outer periphery of the pull disc 4, the second groove is formed in the outer periphery of the movable disc 11, the two translation hydraulic cylinders 19 are controlled to move the two movable seats in the direction away from the base 17 so that the two movable discs 11 move to the position to be detected, in this way, the left end and the right end of the copper wire 21 can be wound in the second groove of the two movable discs 11, the middle part of the copper wire 21 is placed in the first groove of the pull disc 4, the lifting hydraulic cylinders 18 are controlled to move the pull disc 4 upwards, and when the detected value of the pressure sensor is a certain value, the copper wire 21 is not broken, and the copper wire 21 forming certain bending degree in the first groove of the pull disc 4 is in a quality overstretch.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (1)
1. The utility model provides a tensile force detection mechanism behind copper line bending which characterized in that: the lifting mechanism comprises a lifting column, a tray seat and a pulling tray, wherein the tray seat is fixed at the bottom of the pulling tray, an inserting column is arranged at the bottom of the tray seat, the upper surface of the lifting column vertically extends to the inside of the lifting column, a pressure plate is arranged in the inserting column, a pressure sensor is arranged at the bottom of the pressure plate, the inserting column is inserted into the inserting column and can be extruded between the inserting column and the pressure plate, and the lifting column is controlled by the driving mechanism to move up and down; the moving mechanism comprises an arc clamping plate, a strip-shaped clamping ring, a moving seat and a moving disc, wherein a clamping column is arranged at the center of the side wall of the moving disc, the clamping column is arranged in an arc-shaped hole of the arc clamping plate and can move in the arc-shaped hole, the moving seat is fixed at the bottom of the strip-shaped clamping ring, a sliding block is arranged at the bottom of the moving seat, the sliding block is inserted into a sliding groove formed in the upper surface of the moving plate, the moving seat is controlled by a driving mechanism to move left and right, the clamping column is clamped in the strip-shaped hole of the strip-shaped clamping ring, and a copper wire to be detected is wound between the moving disc and the pulling disc;
the arc-shaped clamping plate is fixed on the bottom plate through a supporting rod connected with the arc-shaped clamping plate; the outer periphery of the pulling disc is provided with a first groove, and the outer periphery of the moving disc is provided with a second groove;
the driving mechanism comprises a base, a lifting hydraulic cylinder and a translation hydraulic cylinder which are fixed on the base;
the lifting column is connected with the lifting hydraulic cylinder and is controlled by the lifting hydraulic cylinder to move up and down;
the movable seat is connected with the translation hydraulic cylinder and is controlled by the translation hydraulic cylinder to translate left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390347.7A CN111504788B (en) | 2020-05-09 | 2020-05-09 | Tension detection mechanism for copper wire after bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390347.7A CN111504788B (en) | 2020-05-09 | 2020-05-09 | Tension detection mechanism for copper wire after bending |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111504788A CN111504788A (en) | 2020-08-07 |
| CN111504788B true CN111504788B (en) | 2023-06-06 |
Family
ID=71871852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010390347.7A Active CN111504788B (en) | 2020-05-09 | 2020-05-09 | Tension detection mechanism for copper wire after bending |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111504788B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1556767A (en) * | 1976-10-29 | 1979-11-28 | Standard Telephones Cables Ltd | Cable bend testing |
| JPH05331556A (en) * | 1992-06-02 | 1993-12-14 | Nkk Corp | Instrument for detecting tension of metal strip |
| CN2201664Y (en) * | 1993-12-06 | 1995-06-21 | 三明市虬江机械厂 | Normal V type band flexibility testing machine |
| JPH11237325A (en) * | 1998-02-20 | 1999-08-31 | Tokyo Gas Co Ltd | Method and jig for testing material strength of pressure container |
| CN1330264A (en) * | 2001-07-28 | 2002-01-09 | 温州黄河皮革有限公司 | Method and equipment for testing bending resistance of leather |
| CN202928900U (en) * | 2011-11-17 | 2013-05-08 | 哈尔滨商业大学 | Tension-compression creepmeter for wood-plastic composites |
| CN203227684U (en) * | 2013-03-29 | 2013-10-09 | 安阳市合力高速冷轧有限公司 | Vertical type cold-rolling micro-tension loop device |
| CN204064812U (en) * | 2014-08-22 | 2014-12-31 | 国家电网公司 | A kind of tension force application system for conducting wire testing apparatus |
| CN204255777U (en) * | 2014-12-12 | 2015-04-08 | 武汉钢铁(集团)公司 | The bend test device of belt tension |
| CN205067236U (en) * | 2015-11-04 | 2016-03-02 | 李鑫 | Metal material clod wash experimental apparatus |
| CN106840914A (en) * | 2017-01-20 | 2017-06-13 | 东华大学 | A kind of monofilament bending property testing device and method |
| CN110132754A (en) * | 2019-05-28 | 2019-08-16 | 凯德技术长沙股份有限公司 | One kind circumnutates test equipment |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3282619B2 (en) * | 2000-03-22 | 2002-05-20 | 住友電装株式会社 | Wire harness bending test method and wire bending test apparatus |
| US20020108449A1 (en) * | 2001-02-13 | 2002-08-15 | Harjit Kohli | Method and apparatus to detect faults in conduits |
| US7188427B2 (en) * | 2005-02-04 | 2007-03-13 | Marion Johnson | Multi-task protractor |
| CN201029934Y (en) * | 2007-01-24 | 2008-03-05 | 辛兆芹 | Microwave knife mechanical guiding arm |
| CN201653356U (en) * | 2010-05-05 | 2010-11-24 | 冉启忠 | Adjustable angle protractor of electronic digital display |
| CN102601737A (en) * | 2012-03-31 | 2012-07-25 | 马鞍山市精华机械刀模制造有限公司 | Angular trimmer for grinding wheel of grinding machine |
| CN102632749B (en) * | 2012-04-07 | 2015-04-29 | 福建农林大学 | Drawing method of multifunctional combined drawing instrument |
| CN104729833B (en) * | 2013-12-18 | 2018-02-13 | 昆山工研院新型平板显示技术中心有限公司 | Flexible screen body crooked test method and system |
| CN204820803U (en) * | 2015-06-04 | 2015-12-02 | 魏奇颖 | Mathematics teaching dedicated drawing teaching aid |
| DE102016116258A1 (en) * | 2015-09-11 | 2017-03-16 | Schott Ag | Device and method for stress testing of disks of a brittle-hard material |
| CN210037424U (en) * | 2018-01-10 | 2020-02-07 | 石家庄市申跃电子仪器有限公司 | Aluminum alloy cable interlocking armor flexibility tester |
| CN209911136U (en) * | 2019-05-09 | 2020-01-07 | 陈加富 | Glasses lens camber testing arrangement |
| CN210154950U (en) * | 2019-06-27 | 2020-03-17 | 拱北海关技术中心 | A crooked test equipment for electric automobile direct current charging cable |
-
2020
- 2020-05-09 CN CN202010390347.7A patent/CN111504788B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1556767A (en) * | 1976-10-29 | 1979-11-28 | Standard Telephones Cables Ltd | Cable bend testing |
| JPH05331556A (en) * | 1992-06-02 | 1993-12-14 | Nkk Corp | Instrument for detecting tension of metal strip |
| CN2201664Y (en) * | 1993-12-06 | 1995-06-21 | 三明市虬江机械厂 | Normal V type band flexibility testing machine |
| JPH11237325A (en) * | 1998-02-20 | 1999-08-31 | Tokyo Gas Co Ltd | Method and jig for testing material strength of pressure container |
| CN1330264A (en) * | 2001-07-28 | 2002-01-09 | 温州黄河皮革有限公司 | Method and equipment for testing bending resistance of leather |
| CN202928900U (en) * | 2011-11-17 | 2013-05-08 | 哈尔滨商业大学 | Tension-compression creepmeter for wood-plastic composites |
| CN203227684U (en) * | 2013-03-29 | 2013-10-09 | 安阳市合力高速冷轧有限公司 | Vertical type cold-rolling micro-tension loop device |
| CN204064812U (en) * | 2014-08-22 | 2014-12-31 | 国家电网公司 | A kind of tension force application system for conducting wire testing apparatus |
| CN204255777U (en) * | 2014-12-12 | 2015-04-08 | 武汉钢铁(集团)公司 | The bend test device of belt tension |
| CN205067236U (en) * | 2015-11-04 | 2016-03-02 | 李鑫 | Metal material clod wash experimental apparatus |
| CN106840914A (en) * | 2017-01-20 | 2017-06-13 | 东华大学 | A kind of monofilament bending property testing device and method |
| CN110132754A (en) * | 2019-05-28 | 2019-08-16 | 凯德技术长沙股份有限公司 | One kind circumnutates test equipment |
Non-Patent Citations (2)
| Title |
|---|
| Tensile force requirement for the straightening of wire with roller straightening units;Marcus Paech;wire journal international;第50-56页 * |
| 弯曲钢丝绳股内钢丝张力变化仿真与实验;李伦 等;中国机械工程;第29卷(第19期);第2269-2276页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111504788A (en) | 2020-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201397274Y (en) | Deep-drawing mould for evaluating forming performance of metal thin plate | |
| CN111504788B (en) | Tension detection mechanism for copper wire after bending | |
| CN110749303A (en) | Forged part quality detection device | |
| CN111965028A (en) | Low-smoke environment-friendly pressure-bearing testing device for fire-resistant low-voltage power cable | |
| CN113477785B (en) | Stacked type motor silicon steel sheet stamping device | |
| CN205793358U (en) | A kind of speaker voice coil Winder | |
| CN211419089U (en) | Coiling mechanism is used in wire and cable processing | |
| CN210024670U (en) | Stainless steel tube surface wire drawing device for guardrail | |
| CN217083683U (en) | Appearance detection device is used in production of RPS pencil assembly | |
| CN213843496U (en) | Detection equipment for neodymium iron boron magnet | |
| CN215574208U (en) | Anti deformation performance detection device of slip casting pipe | |
| CN115479835A (en) | Copper line working strength testing arrangement | |
| CN103862043B (en) | Improve the device of non-magnetic metal powder selective laser sintering forming quality | |
| CN210603043U (en) | Vehicle punching press hole position detection device | |
| CN219477793U (en) | Flaring machine for flat wire motor | |
| CN216387227U (en) | Device for quickly keeping copper wire rod constant temperature | |
| CN217900889U (en) | Sensor housing with novel structure | |
| CN220454488U (en) | Brass bar straightness detection device | |
| CN211254713U (en) | High-voltage transmission and transformation wire detection device | |
| CN210412301U (en) | Cold header feeding device | |
| CN216235323U (en) | Cable coiling mechanism for building electrical engineering with electric leakage detection function | |
| CN110539261B (en) | Protector clamp structure for automatic shaping of electric heating wire | |
| CN210113540U (en) | Cold pressing type copper nose temperature sensor | |
| CN215574728U (en) | Cable strand break monitoring device | |
| CN219715062U (en) | Magnetic core production finished product detection device |
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 |