CN112285422B - Graphite electrode resistivity detection device - Google Patents
Graphite electrode resistivity detection device Download PDFInfo
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- CN112285422B CN112285422B CN202011128888.9A CN202011128888A CN112285422B CN 112285422 B CN112285422 B CN 112285422B CN 202011128888 A CN202011128888 A CN 202011128888A CN 112285422 B CN112285422 B CN 112285422B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention discloses a graphite electrode resistivity detection device which comprises an upper hanging plate, a driving motor and a detection table, wherein a sliding rod is arranged inside the upper hanging plate, a sliding groove is formed in the upper hanging plate, a sliding plate is connected inside the sliding groove and is installed outside the sliding rod, a poking rod is arranged outside the upper hanging plate, the bottom of the poking rod is connected with a connecting rod, the connecting rod is located inside the upper hanging plate, a positioning rod is arranged outside the connecting rod, and the positioning rod is located inside the upper hanging plate. This graphite electrode resistivity detection device makes two loop bars cup jointed on the lead screw carry out relative movement through the opposite direction screw in both sides, and the loop bar removes and drives the grip ring and removes to the convenient size that has more graphite electrode to the wide distance between the grip ring is adjusted, conveniently makes the grip ring fix graphite electrode, is favorable to graphite electrode can not take place offset when examining, improves detection efficiency.
Description
Technical Field
The invention relates to the technical field of graphite electrodes, in particular to a graphite electrode resistivity detection device.
Background
The graphite electrode is mainly made up by using petroleum coke and needle coke as raw material and coal pitch as binding agent through the processes of calcining, proportioning, kneading, pressing, roasting, graphitizing and machining, and is a conductor which can release electric energy in the form of electric arc in electric arc furnace to heat and melt furnace material, the graphite is very popular in nature, and the graphene is the material with highest known strength, the resistivity contained in the graphite electrode is the physical quantity for representing resistance characteristics of various substances, and the ratio of the product of resistance and cross-sectional area of original made of a certain substance and length is called the resistivity of said substance, and the graphite electrode is used as the conductor of resistivity.
1. In the existing graphite electrode resistivity detection device, a general detection method is to place a graphite electrode on a detection table with an insulating pad to charge the electrode, a voltage value is obtained through multiple measurements, and the graphite electrode is generally carried manually in the carrying process, so that the graphite electrode is damaged in manual carrying, the manual carrying is repeated, energy is consumed, the labor cost is increased, and the graphite electrode is not fixed by the general detection table, so that the rolling position is deviated in the early detection process, the detection is inconvenient, and the detection efficiency is reduced;
2. in current graphite electrode resistivity detection device, generally in to graphite electrode resistivity testing process, need measure through the resistance in the simulated voltage, because the detection line itself that uses has certain voltage when detecting, so can cause the risk of electrocution if misoperation at the in-process of testing personnel in the operation, the detection environment is very unsafe, and the detection line does not usually have fixed after detecting and leaves together with detection device, lead to the detection line to deposit inconveniently, abandon easily to lose by hand, lead to detecting inconveniently.
We have therefore proposed a graphite electrode resistivity measuring device in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a graphite electrode resistivity detection device, and solve the problems that in the conventional graphite electrode resistivity detection device provided by the background art, a graphite electrode is placed on a detection table with an insulating pad to charge the electrode, a voltage value is obtained through multiple measurements, a result is obtained, and the graphite electrode is generally carried manually in the process of carrying the graphite electrode, so that the graphite electrode is damaged in manual carrying, the manual carrying consumes energy repeatedly, the labor cost is increased, and the graphite electrode is not fixed by the general detection table, so that the rolling position is not convenient to shift in the early detection process, the detection is caused, and the detection efficiency is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a graphite electrode resistivity detection device, includes hanger plate, driving motor and detects the platform, its characterized in that: the inner part of the upper hanging plate is provided with a slide rod, the inner part of the upper hanging plate is provided with a slide groove, the inner part of the slide groove is connected with a slide plate, the slide plate is arranged on the outer part of the slide rod, the outer part of the upper hanging plate is provided with a poking rod, the bottom of the poking rod is connected with a connecting rod, the connecting rod is positioned in the upper hanging plate, the outer part of the connecting rod is provided with a positioning rod, the positioning rod is positioned in the upper hanging plate, the outer part of the positioning rod is connected with an electric telescopic rod, meanwhile, the electric telescopic rod is arranged in the upper hanging plate, the driving motor is arranged in the slide rod, the outer part of the driving motor is connected with an output shaft, the tail end of the output shaft is sleeved with a driving gear, the outer part of the driving gear is connected with a driven gear, the driven gear is arranged in the slide rod, a connecting shaft is inserted in the driven gear, and a hanging rope is bound on the outer part of the connecting shaft, the tail end of the lifting rope is provided with a fixing binding band, the lifting rope is connected to the outer surface of the friction shaft, a pulley is mounted on the outer portion of the friction shaft, the pulley is connected to the inner portion of a groove, the groove is formed in the surface of a sliding rod, the pulley and the sliding rod form a sliding structure, the pulley and the positioning rod form a rotating structure, the driving gear and the sliding rod form a rotating structure through an output shaft, the driving gear and the driven gear are meshed and connected, the connecting shaft and the sliding rod form a rotating structure, the lifting rope and the connecting shaft are bound and connected, the binding directions of the lifting rope are in mutual reverse binding, a detection pen is connected to the lower portion of the upper lifting plate, a detection line is connected to the upper portion of the detection pen, the detection line is located inside the electric rolling plate, a vortex rotary plate is arranged inside the electric rolling plate, and a detection line is wound on the outer portion of the vortex rotary plate, detect the platform and be located the below of hanger plate, and the outside of detecting the platform is provided with the rotation motor, and the end-to-end connection who rotates the motor has the axis of rotation to the end-to-end connection of axis of rotation has the lead screw, and the lead screw setting is detecting the inside of platform simultaneously, the loop bar has been cup jointed to the outside of lead screw, and the top of loop bar is provided with the grip ring to the surface of grip ring is provided with the insulating layer, the lead screw passes through the axis of rotation and detects the platform and constitute rotating-structure, and the outside of lead screw is provided with two reverse threads, loop bar and lead screw threaded connection, and the grip ring passes through the loop bar and detect the platform and constitute sliding construction.
Preferably, the slide bar and the upper hanging plate form a sliding structure through the sliding plate and the sliding groove, and the length of the upper hanging plate is larger than that of the detection table.
Preferably, the poke rod and the upper hanging plate form a sliding structure, and the connecting rod is connected with the poke rod in a welding mode.
Preferably, the connecting rod is welded with the positioning rod, the positioning rod is arranged in an L-shaped structure, and the positioning rod and the sliding rod form a sliding structure.
Compared with the prior art, the invention has the beneficial effects that: the resistivity detection device for the graphite electrode;
1. the rotating motor drives the rotating shaft, the rotating shaft drives the screw rod to rotate, the screw rod rotates to enable two loop bars sleeved on the screw rod to move relatively through threads in opposite directions on two sides, and the loop bars move to drive the clamping rings to move, so that the width between the clamping rings is convenient to adjust, the size of the graphite electrode is better, the graphite electrode is convenient to fix by the clamping rings, the graphite electrode cannot shift in position during detection, and the detection efficiency is improved;
2. the pulley and the positioning rod form a rotating structure, so that the pulley is not limited when moving and rolling, the positioning rod and the pulley can move synchronously, the width distance between the fixing binding bands can be conveniently adjusted according to the size of the graphite electrode through the movement of the pulley, the fixing binding bands can conveniently bind the graphite electrode, and the positioning rod can be more easily clamped and fixed with the tail end when being pushed, so that the pulley can be conveniently fixed;
3. the detection line on the detection pen is pulled out from the electric rolling disc, the detection line is rolled through the vortex turntable, the detection line is convenient to store, the surface of the detection pen is provided with an insulating film, so that the risk of electric shock can be effectively prevented when the graphite electrode is detected, the safety of the operation environment is improved, the detection line is convenient to store and store through the rolling of the detection line, the detection line is prevented from being lost, and the friction contact with a friction shaft is facilitated, the damage to the surface of the lifting rope is reduced, and the abrasion caused by the friction of the lifting rope and other object corners is avoided.
Drawings
FIG. 1 is a schematic view of the overall front structure of the present invention;
FIG. 2 is an enlarged schematic view of the point A in the figure according to the present invention;
FIG. 3 is a schematic view of the internal structure of the front side of the detection pen and the electric winding disc of the present invention;
FIG. 4 is a schematic view of the overall top view of the present invention;
FIG. 5 is an enlarged view of the structure at B of the present invention;
FIG. 6 is a schematic view of the left side of the present invention;
fig. 7 is a right side structural schematic view of a retainer ring and a loop bar of the present invention.
In the figure: 1. An upper hanger plate; 2. A slide bar; 3. A chute; 4. A slide plate; 5. A poke rod; 6. A connecting rod; 7. Positioning a rod; 8. An electric telescopic rod; 9. A drive motor; 10. An output shaft; 11. A driving gear; 12. A driven gear; 13. A connecting shaft; 14. A lifting rope; 15. A groove; 16. A pulley; 17. A friction shaft; 18. Fixing a binding band; 19. A detection pen; 20. Detecting lines; 21. An electric winding disc; 22. A vortex rotary table; 23. A detection table; 24. Rotating the motor; 25. A rotating shaft; 26. A screw rod; 27. A loop bar; 28. A clamp ring; 29. An insulating layer.
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. 1-7, the present invention provides a technical solution: a graphite electrode resistivity detection device comprises an upper hanger plate 1, a slide bar 2 is arranged inside the upper hanger plate 1, a slide groove 3 is arranged inside the upper hanger plate 1, a slide plate 4 is connected inside the slide groove 3, the slide plate 4 is installed outside the slide bar 2, a poking rod 5 is arranged outside the upper hanger plate 1, the bottom of the poking rod 5 is connected with a connecting rod 6, the connecting rod 6 is positioned inside the upper hanger plate 1, a positioning rod 7 is arranged outside the connecting rod 6, the positioning rod 7 is positioned inside the upper hanger plate 1, an electric telescopic rod 8 is connected outside the positioning rod 7, the electric telescopic rod 8 is installed inside the upper hanger plate 1, a driving motor 9 is installed inside the slide bar 2, an output shaft 10 is connected outside the driving motor 9, a driving gear 11 is sleeved at the tail end of the output shaft 10, a driven gear 12 is connected outside the driving gear 11, and the driven gear 12 is installed inside the slide bar 2, a connecting shaft 13 is inserted into the driven gear 12, a lifting rope 14 is bound to the outside of the connecting shaft 13, a fixing strap 18 is arranged at the tail end of the lifting rope 14, the lifting rope 14 is connected to the outer surface of a friction shaft 17, a pulley 16 is installed on the outside of the friction shaft 17, the pulley 16 is connected to the inside of a groove 15, the groove 15 is formed in the surface of the slide rod 2, the pulley 16 and the slide rod 2 form a sliding structure through the groove 15, the pulley 16 and the positioning rod 7 form a sliding structure, the pulley 16 and the positioning rod 7 form a rotating structure, the driving gear 11 and the slide rod 2 form a rotating structure through an output shaft 10, the driving gear 11 and the driven gear 12 are meshed and connected, the connecting shaft 13 and the slide rod 2 form a rotating structure, the lifting rope 14 and the connecting shaft 13 are bound, the directions of the lifting rope 14 are in opposite binding, and a detection pen 19 is connected below the upper lifting plate 1, and a detection line 20 is connected above the detection pen 19, the detection line 20 is positioned inside the electric winding disc 21, a vortex rotary disc 22 is arranged inside the electric winding disc 21, and a sensing wire 20 is wound around the outside of the scroll turntable 22, a sensing table 23 is located below the upper hanger plate 1, and a rotating motor 24 is provided outside the detecting table 23, and the end of the rotating motor 24 is connected with a rotating shaft 25, and the end of the rotating shaft 25 is connected with a screw rod 26, the screw rod 26 is arranged inside the detection table 23, a loop bar 27 is sleeved outside the screw rod 26, a clamping ring 28 is arranged above the loop bar 27, and the surface of the clamping ring 28 is provided with an insulating layer 29, the screw rod 26 and the detection table 23 form a rotating structure through the rotating shaft 25, and two reverse threads are arranged on the outer part of the screw rod 26, the sleeve rod 27 is in threaded connection with the screw rod 26, and the clamping ring 28 and the detection table 23 form a sliding structure through the sleeve rod 27.
The slide bar 2 forms a sliding structure with the upper hanging plate 1 through the sliding plate 4 and the sliding groove 3, the length of the upper hanging plate 1 is larger than that of the detection table 23, the slide bar 2 moves backwards through electric connection control of the servo motor, and the slide bar 2 conveniently increases the moving force of the slide bar 2 on the upper hanging plate 1 through the sliding plate 4 and the sliding groove 3.
The poke rod 5 and the upper hanging plate 1 form a sliding structure, the connecting rod 6 is connected with the poke rod 5 in a welding mode, and the poke rod 5 is pulled out of the upper hanging plate 1, so that the poke rod 5 is conveniently pulled out to pull the connecting rod 6 and the positioning rod 7 to move.
The working principle of the embodiment is as follows: according to the figures 1-7, when the size of the detection device is adjusted according to the size of the graphite electrode, the poke rod 5 is pulled out from the upper hanging plate 1, the poke rod 5 is pulled out to pull the connecting rod 6 and the positioning rod 7 to move, so that the positioning rod 7 is pulled out from the pulley 16 and the friction shaft 17, the pulley 16 is conveniently released from fixing, the positioning rod 7 is pulled to roll in the groove 15 by the electric telescopic rod 8 in cooperation with the pulling of the positioning rod 7, the pulley 16 and the positioning rod 7 form a rotating structure, the pulley 16 is convenient to be not limited during moving and rolling, the positioning rod 7 and the pulley 16 are convenient to move synchronously, the width distance between the fixing straps 18 is conveniently adjusted according to the size of the graphite electrode by the movement of the pulley 16, the graphite electrode is conveniently bound by the fixing straps 18, and then the positioning rod 7 is pushed into the pulley 16 and the friction shaft 17 by pressing the poke rod 5, because the aperture in the friction shaft 17 is from wide to narrow, the positioning rod 7 is convenient to be clamped and fixed with the tail end more easily during propelling, and therefore the pulley 16 is convenient to fix.
According to fig. 1 and fig. 7, the rotating motor 24 is started, the rotating motor 24 drives the rotating shaft 25, the rotating shaft 25 drives the screw rod 26 to rotate, the screw rod 26 rotates to enable two loop bars 27 sleeved on the screw rod 26 to move relatively through opposite-direction threads on two sides, the loop bars 27 move to drive the clamping ring 28 to move, therefore, the size of a graphite electrode is adjusted conveniently for the width distance between the clamping rings 28, the clamping ring 28 is conveniently fixed to the graphite electrode, the graphite electrode cannot shift when being detected, and the detection efficiency is improved.
According to the drawings of fig. 1, 2 and 5, the graphite electrode is bound and fixed by a fixing binding belt 18, then a power supply is switched on to start a driving motor 9, the driving motor 9 drives an output shaft 10 to rotate, the output shaft 10 rotates to drive a driving gear 11 to rotate, the driving gear 11 rotates to drive driven gears 12 which are meshed and connected with two sides to rotate, the driven gears 12 rotate to drive a connecting shaft 13 to rotate, the connecting shaft 13 rotates to roll up lifting ropes 14 which are bound on the opposite sides, the lifting ropes 14 are in friction contact with a friction shaft 17 in the rolling process, so that damage to the surfaces of the lifting ropes 14 is reduced, abrasion caused by friction between the lifting ropes 14 and corners of other objects is avoided, the bound graphite electrode is lifted upwards by rolling up the lifting ropes 14, the graphite electrode is conveniently transported, manual transportation is reduced, the labor intensity is greatly reduced, the working efficiency is improved, and then the sliding rod 2 is moved backwards through electric connection control of a servo motor, the sliding rod 2 conveniently increases the moving force of the sliding rod 2 on the upper hanging plate 1 through the sliding plate 4 and the sliding groove 3, the lifted graphite electrode slowly moves towards the clamping ring 28 on the detection table 23, when the sliding rod 2 moves to the position above the clamping ring 28, the sliding rod stops moving, then the driving motor 9 is started again to rotate reversely, the lifting rope 14 is made to pay off until the graphite electrode is placed on the clamping ring 28, then the fixing binding of the fixing binding band 18 on the graphite electrode is manually released, the graphite electrode is fixedly clamped by the locking mechanism on the clamping ring 28, and the graphite electrode is conveniently detected through the contact of the two ends and the insulating layer 29.
According to fig. 3, the detection line 20 on the detection pen 19 is pulled out from the electric winding disc 21, the detection line 20 is wound through the scroll turntable 22, the detection line 20 is convenient to store, an insulating film is arranged on the surface of the detection pen 19, so that the risk of electric shock can be effectively prevented when the graphite electrode is detected, the safety of the operation environment is improved, the detection line 20 is convenient to store and store through winding, the detection line 20 is prevented from being lost, the detection line is convenient to use next time, and a series of works are completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a graphite electrode resistivity detection device, includes hanger plate (1), driving motor (9) and detects platform (23), its characterized in that: a sliding rod (2) is arranged inside the upper hanging plate (1), a sliding groove (3) is formed inside the upper hanging plate (1), a sliding plate (4) is connected inside the sliding groove (3), the sliding plate (4) is installed outside the sliding rod (2), a poking rod (5) is arranged outside the upper hanging plate (1), the bottom of the poking rod (5) is connected with a connecting rod (6), the connecting rod (6) is located inside the upper hanging plate (1), a positioning rod (7) is arranged outside the connecting rod (6), the positioning rod (7) is located inside the upper hanging plate (1), an electric telescopic rod (8) is connected outside the positioning rod (7), the electric telescopic rod (8) is installed inside the upper hanging plate (1), a driving motor (9) is installed inside the sliding rod (2), and an output shaft (10) is connected outside the driving motor (9), and the tail end of the output shaft (10) is sleeved with a driving gear (11), the outside of the driving gear (11) is connected with a driven gear (12), the driven gear (12) is installed inside the sliding rod (2), a connecting shaft (13) is inserted into the driven gear (12), a lifting rope (14) is bound to the outside of the connecting shaft (13), the tail end of the lifting rope (14) is provided with a fixing bandage (18), the lifting rope (14) is connected to the outer surface of a friction shaft (17), a pulley (16) is installed outside the friction shaft (17), the pulley (16) is connected to the inside of a groove (15), the groove (15) is formed in the surface of the sliding rod (2), the pulley (16) and the sliding rod (2) form a sliding structure through the groove (15), the pulley (16) and the positioning rod (7) form a sliding structure, and the pulley (16) and the positioning rod (7) form a rotating structure, the driving gear (11) and the sliding rod (2) form a rotating structure through an output shaft (10), the driving gear (11) is meshed with the driven gear (12) and connected with the sliding rod (2), the connecting shaft (13) and the sliding rod (2) form the rotating structure, the lifting rope (14) is connected with the connecting shaft (13) in a binding mode, the lifting rope (14) is bound in the opposite direction, the detection pen (19) is connected to the lower portion of the upper hanging plate (1), the detection line (20) is connected to the upper portion of the detection pen (19), the detection line (20) is located inside the electric winding disc (21), the vortex rotating disc (22) is arranged inside the electric winding disc (21), the detection line (20) is wound outside the vortex rotating disc (22), the detection table (23) is located below the upper hanging plate (1), and the rotating motor (24) is arranged outside the detection table (23), and the end-to-end connection of rotating motor (24) has axis of rotation (25), and the end-to-end connection of axis of rotation (25) has lead screw (26), and lead screw (26) set up the inside of examining test table (23) simultaneously, loop bar (27) have been cup jointed to the outside of lead screw (26), and the top of loop bar (27) is provided with grip ring (28), and the surface of grip ring (28) is provided with insulating layer (29), lead screw (26) constitute rotating-structure through axis of rotation (25) and examining test table (23), and the outside of lead screw (26) is provided with two reverse screw threads, loop bar (27) and lead screw (26) threaded connection, and grip ring (28) constitute sliding construction through loop bar (27) and examining test table (23).
2. The graphite electrode resistivity detection device according to claim 1, characterized in that: the slide rod (2) and the upper hanging plate (1) form a sliding structure through the slide plate (4) and the slide groove (3), and the length of the upper hanging plate (1) is larger than that of the detection platform (23).
3. The graphite electrode resistivity detection device according to claim 1, characterized in that: the poke rod (5) and the upper hanging plate (1) form a sliding structure, and the connecting rod (6) is connected with the poke rod (5) in a welding mode.
4. The graphite electrode resistivity detection device according to claim 1, characterized in that: the connecting rod (6) is connected with the positioning rod (7) in a welding mode, the positioning rod (7) is arranged in an L-shaped structure, and the positioning rod (7) and the sliding rod (2) form a sliding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128888.9A CN112285422B (en) | 2020-10-20 | 2020-10-20 | Graphite electrode resistivity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128888.9A CN112285422B (en) | 2020-10-20 | 2020-10-20 | Graphite electrode resistivity detection device |
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| Publication Number | Publication Date |
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| CN112285422A CN112285422A (en) | 2021-01-29 |
| CN112285422B true CN112285422B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011128888.9A Active CN112285422B (en) | 2020-10-20 | 2020-10-20 | Graphite electrode resistivity detection device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175210A (en) * | 2018-08-21 | 2019-01-11 | 安徽亚太锚链制造有限公司 | A kind of cable link automated manufacturing equipment of length-controllable |
| CN209247839U (en) * | 2018-12-11 | 2019-08-13 | 青岛联发电子科技有限公司 | A kind of circuit board detection device for being convenient for adjusting |
| CN209992463U (en) * | 2019-03-28 | 2020-01-24 | 西姆集团有限公司 | Graphite electrode testing platform |
| CN210639223U (en) * | 2019-07-16 | 2020-05-29 | 青海黄河新能源维检有限公司 | Graphite electrode resistivity detection device |
| CN211697990U (en) * | 2020-01-02 | 2020-10-16 | 无锡科锐漫电子科技有限公司 | Energy storage inductance inspection device convenient to carry |
-
2020
- 2020-10-20 CN CN202011128888.9A patent/CN112285422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175210A (en) * | 2018-08-21 | 2019-01-11 | 安徽亚太锚链制造有限公司 | A kind of cable link automated manufacturing equipment of length-controllable |
| CN209247839U (en) * | 2018-12-11 | 2019-08-13 | 青岛联发电子科技有限公司 | A kind of circuit board detection device for being convenient for adjusting |
| CN209992463U (en) * | 2019-03-28 | 2020-01-24 | 西姆集团有限公司 | Graphite electrode testing platform |
| CN210639223U (en) * | 2019-07-16 | 2020-05-29 | 青海黄河新能源维检有限公司 | Graphite electrode resistivity detection device |
| CN211697990U (en) * | 2020-01-02 | 2020-10-16 | 无锡科锐漫电子科技有限公司 | Energy storage inductance inspection device convenient to carry |
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| CN112285422A (en) | 2021-01-29 |
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Inventor after: Chen Xujuan Inventor after: Bai Caiyu Inventor after: Sun Quan Inventor before: Chen Xujuan |
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Effective date of registration: 20211014 Address after: 239000 No. 105, Longpan Avenue, Chuzhou City, Anhui Province Applicant after: CHUZHOU CITY TECHNICAL SUPERVISION AND TESTING CENTER Address before: 528400 6th floor, Yili D building, 130 Min'an South Road, Jidong, Xiaolan Town, Zhongshan City, Guangdong Province Applicant before: ZHONGSHAN BERLAN INTELLIGENT TECHNOLOGY Co.,Ltd. |
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