CN112562939B - Shaping pressed compact device for electric porcelain insulator - Google Patents
Shaping pressed compact device for electric porcelain insulator Download PDFInfo
- Publication number
- CN112562939B CN112562939B CN202011370000.2A CN202011370000A CN112562939B CN 112562939 B CN112562939 B CN 112562939B CN 202011370000 A CN202011370000 A CN 202011370000A CN 112562939 B CN112562939 B CN 112562939B
- Authority
- CN
- China
- Prior art keywords
- plate
- welding
- welded
- bottom plate
- block
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
Landscapes
- Insulators (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a formed compact device for an electric porcelain insulator, which comprises a bottom plate, wherein two supporting plates are welded on two sides of the top of the bottom plate, a top plate is arranged above the bottom plate, one side of each supporting plate is welded with the top plate, an air cylinder is arranged on one side of the top plate, a piston rod of the air cylinder is welded with a second fixing plate, a pressing block is welded on one side of the second fixing plate, and a hole groove is formed in one side inside the bottom plate; when the device is used, the first clamping block is arranged to be inserted into the first clamping groove, so that the first clamping block pushes the fourth fixing plate to extrude the first spring, the fourth fixing plate moves to drive the fourth clamping block to be separated from the second clamping groove, the second spring pushes the first fixing plate to move, the first fixing plate drives the second clamping block to move, the second clamping block is clamped into the fourth clamping groove, and the first clamping block is fixed in the hole groove, so that the device can quickly finish the connection of the arc-shaped shell and the bottom plate without an additional connecting assembly.
Description
Technical Field
The invention relates to the technical field of insulator production equipment, in particular to a green compact forming device for an electric porcelain insulator.
Background
The insulator is a device which is arranged between conductors with different electric potentials or between the conductor and a grounding component and can bear the action of voltage and mechanical stress, the insulator has various types and different shapes, although the structures and the appearances of different types of insulators are greatly different, the insulators are composed of two parts, namely an insulating part and a connecting hardware fitting, the insulator is a special insulating control part and can play an important role in an overhead transmission line, the insulator is mostly used for a telegraph pole in the early years, one end of a high-voltage wire connecting tower which is slowly developed is hung with a plurality of disc-shaped insulators, the insulator is usually made of glass or ceramics for increasing the creepage distance and is called as an insulator, the insulator cannot fail due to various electromechanical stresses caused by the change of the environment and the electric load condition, otherwise, the insulator cannot play a great role and can damage the service life of the whole line, the insulator can be divided into a suspension insulator and a post insulator according to different installation modes; the porcelain insulator is an insulator made of electrical ceramics, the electrical ceramics are formed by baking quartz, feldspar and clay, the surface of the porcelain part of the porcelain insulator is usually covered by porcelain glaze to improve the mechanical strength, prevent water infiltration and increase the surface smoothness, and the porcelain insulator is most commonly used in various insulators.
The electric porcelain insulator needs to be extruded and formed by a forming and pressing device in the production process, the existing electric porcelain insulator is usually firstly put into a die when being pressed and formed by pressing, then the pressing device is used for pressing and forming the raw materials in the die, the die is required to be fixed on the pressing device by an auxiliary component in the mode, and the existing forming and pressing device is inconvenient to quickly connect the die with the pressing device when being used.
Disclosure of Invention
The invention aims to provide a forming and compacting device for an electric porcelain insulator, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a green compact forming device for an electric porcelain insulator comprises a bottom plate, two support plates are welded on two sides of the top of the bottom plate, a top plate is arranged above the bottom plate, one side of each support plate is welded with the top plate, an air cylinder is mounted on one side of the top plate, a second fixing plate is welded on a piston rod of the air cylinder, a press block is welded on one side of the second fixing plate, a hole groove is formed in one side of the inside of the bottom plate, a first spring is welded on one side of the inside of the hole groove, a fourth fixing plate is welded at one end of the first spring, two fourth fixture blocks are welded on one side of the fourth fixing plate, two third clamping grooves are formed in one side of the fourth fixing plate, a third fixture block is clamped in the inside of each third clamping groove, a second annular plate is welded on one side of the inside of the hole groove, a fixing block is welded on one side of the second annular plate, two first clamping grooves are formed in one side of the inside of the fixing block, the utility model discloses a bolt, including first draw-in groove, first fixture block, second draw-in groove, first fixed plate, first spring, one side welding of first fixed plate, the one end and the bottom plate welding of second spring, the welding of one side of first draw-in groove have a first fixture block, one side and the third fixture block welding of first fixture block, the fourth draw-in groove has been seted up to the inside joint of fourth draw-in groove, the second draw-in groove has been seted up to inside one side of second fixture block, the welding of one side of second fixture block has first fixed plate, the welding of one side of first fixed plate has the second spring, the one end and the bottom plate welding of second spring, the welding of one side of first fixture block has the arc shell, the welding of one side of arc shell has the screw hole board, the inside threaded connection of screw hole board has the bolt, one side fixedly connected with rope of first fixed plate, the one end of rope runs through the bottom plate, the rope runs through the solid fixed ring of one end fixedly connected with of bottom plate.
As further preferable in the present technical solution: two first slide rails are installed on two sides of the inside of the hole groove, a first slide block is connected to the inside of the first slide rail in a sliding mode, and one side of the first slide block is welded with the first fixing plate.
As further preferable in the present technical solution: a first limiting block is welded on one side of the interior of the first sliding rail.
As further preferable in the present technical solution: the bottom welding of bottom plate has two column bases, the both sides welding of bottom plate has two third fixed plates, the internal thread of third fixed plate is connected with the lead screw, the gyro wheel is installed to the one end of lead screw.
As further preferable in the present technical solution: a second sliding rail is installed on one side of the supporting plate, a second sliding block is connected to the inside of the second sliding rail in a sliding mode, and one side of the second sliding block is welded with a second fixing plate.
As further preferable in the present technical solution: a second annular clamping groove is formed in one side of the bottom plate, a third annular plate is clamped in the second annular clamping groove, an annular baffle is welded to one side of the third annular plate, a first annular clamping groove is formed in one side of the second fixing plate, a first annular plate is welded to one side of the annular baffle, and a third limiting block is welded to one side of the inner portion of the second sliding rail.
As further preferable in the present technical solution: and an annular cutter is welded at one side of the second fixing plate.
As further preferable in the present technical solution: touch switch is installed to one side of third stopper, vortex refrigerator is evenly installed to one side of ring baffle, touch switch's electrical output end and vortex refrigerator's electrical input end electric connection.
As further preferable in the present technical solution: and a second limiting block is uniformly welded on one side of the inside of the annular baffle.
Compared with the prior art, the invention has the beneficial effects that:
when the device is used, the first clamping block is arranged to be inserted into the first clamping groove, so that the first clamping block pushes the fourth fixing plate to extrude the first spring, the fourth fixing plate moves to drive the fourth clamping block to be separated from the second clamping groove, the second spring pushes the first fixing plate to move, the first fixing plate drives the second clamping block to move, the second clamping block is clamped into the fourth clamping groove, and the first clamping block is fixed in the hole groove, so that the device can quickly finish the connection between the arc-shaped shell and the bottom plate without an additional connecting assembly;
when the clamping device is used, the rope is driven by pulling the fixing ring, the first fixing plate is driven by the rope to extrude the second spring, and the first clamping block is convenient to draw out from the hole groove.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the bottom plate of the present invention;
FIG. 3 is a side view of the inner structure of the support plate according to the present invention;
FIG. 4 is a side view of the inner structure of the arc shell of the present invention;
FIG. 5 is a side view of the inner structure of a third annular plate according to the present invention;
fig. 6 is a schematic top view of the fixing block of the present invention.
In the figure: 1. a cylinder; 2. a top plate; 3. a support plate; 4. a second fixing plate; 5. a first annular plate; 6. an annular baffle; 7. a third fixing plate; 8. a screw rod; 9. a column shoe; 10. a roller; 11. a rope; 12. a fixing ring; 13. a base plate; 14. briquetting; 15. a ring-shaped cutter; 16. a second annular plate; 17. a fixed block; 18. a first card slot; 19. a first clamping block; 20. a first fixing plate; 21. a second fixture block; 22. a second card slot; 23. a fourth fixing plate; 24. a third card slot; 25. a first spring; 26. a fourth card slot; 27. a third fixture block; 28. a fourth fixture block; 29. a first slider; 30. a first slide rail; 31. a second spring; 33. a first stopper; 34. a second slide rail; 35. a second slider; 36. a touch switch; 37. a vortex refrigerator; 38. a second limiting block; 39. an arcuate shell; 40. a threaded orifice plate; 41. a bolt; 42. a third limiting block; 43. a first ring-shaped card slot; 44. a third annular plate; 45. a second annular card slot; 46. and (4) a hole groove.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a green compact forming device for an electric porcelain insulator comprises a bottom plate 13, two supporting plates 3 are welded on two sides of the top of the bottom plate 13, a top plate 2 is arranged above the bottom plate 13, one side of each supporting plate 3 is welded with the top plate 2, an air cylinder 1 is installed on one side of the top plate 2, a second fixing plate 4 is welded on a piston rod of the air cylinder 1, a pressing block 14 is welded on one side of the second fixing plate 4, a hole groove 46 is formed in one side of the inside of the bottom plate 13, a first spring 25 is welded on one side of the inside of the hole groove 46, a fourth fixing plate 23 is welded on one end of the first spring 25, two fourth clamping blocks 28 are welded on one side of the fourth fixing plate 23, two third clamping grooves 24 are formed in one side of the fourth fixing plate 23, a third clamping block 27 is clamped in the inside of the third clamping grooves 24, a second annular plate 16 is welded on one side of the inside of the hole groove 46, a fixing block 17 is welded on one side of the inside of the second annular plate 16, two first clamping grooves 18 are formed in one side of the inside of the fixing block 17, a first clamping block 19 is clamped inside the first clamping groove 18, one side of the first clamping block 19 is welded with a third clamping block 27, a fourth clamping groove 26 is formed in one side inside the first clamping block 19, a second clamping block 21 is clamped inside the fourth clamping groove 26, a second clamping groove 22 is formed in one side inside the second clamping block 21, a first fixing plate 20 is welded on one side of the second clamping block 21, a second spring 31 is welded on one side of the first fixing plate 20, one end of the second spring 31 is welded with the bottom plate 13, an arc-shaped shell 39 is welded on one side of the first clamping block 19, a threaded hole plate 40 is welded on one side of the arc-shaped shell 39, a bolt 41 is connected with the internal thread of the threaded hole plate 40, a rope 11 is fixedly connected to one side of the first fixing plate 20, one end of the rope 11 penetrates through the bottom plate 13 and is fixedly connected with a fixing ring 12, a switch group for controlling the starting and closing of the air cylinder 1 is installed on one side of the support plate 3, the switch group is connected with an external commercial power or a portable power supply and used for supplying power to the air cylinder 1.
In this embodiment, specifically: two first slide rails 30 are installed on two sides of the inside of the hole groove 46, a first slide block 29 is connected to the inside of the first slide rail 30 in a sliding mode, one side of the first slide block 29 is welded with the first fixing plate 20, the first slide block 29 is arranged to slide in the first slide rail 30, and the stability of the first fixing plate 20 during movement is enhanced.
In this embodiment, specifically: a first limiting block 33 is welded on one side of the inside of the first slide rail 30, the first limiting block 33 is arranged to limit the first slide block 29, and the first slide block 29 is prevented from being separated from the first slide rail 30.
In this embodiment, specifically: the welding of the bottom of bottom plate 13 has two column bases 9, and the welding of the both sides of bottom plate 13 has two third fixed plates 7, and the internal thread of third fixed plate 7 is connected with lead screw 8, and gyro wheel 10 is installed to the one end of lead screw 8, sets up gyro wheel 10 and is convenient for remove this device, sets up lead screw 8 cooperation column base 9 and is convenient for with the rigidity of this device.
In this embodiment, specifically: second slide rail 34 is installed to one side of backup pad 3, and the inside sliding connection of second slide rail 34 has second slider 35, and one side and the welding of second fixed plate 4 of second slider 35 set up second slider 35 and slide in second slide rail 34, stability when reinforcing second fixed plate 4 motion.
In this embodiment, specifically: second ring-shaped clamping groove 45 has been seted up to one side of bottom plate 13, and the inside joint of second ring-shaped clamping groove 45 has third annular plate 44, and the welding of one side of third annular plate 44 has ring baffle 6, and first ring-shaped clamping groove 43 has been seted up to one side of second fixed plate 4, and the welding of one side of ring baffle 6 has first annular plate 5, and the welding of inside one side of second slide rail 34 has third stopper 42, and the raw materials spill when setting up ring baffle 6 and preventing the compact blank.
In this embodiment, specifically: an annular cutter 15 is welded on one side of the second fixing plate 4, and the annular cutter 15 is arranged to trim the insulator.
In this embodiment, specifically: touch switch 36 is installed to one side of third stopper 42, and vortex refrigerator 37 is evenly installed to one side of ring baffle 6, and the electrical output of touch switch 36 and vortex refrigerator 37's electrical input end electric connection set up vortex refrigerator 37 and accelerate the speed of formation.
In this embodiment, specifically: a second limiting block 38 is uniformly welded on one side of the inside of the annular baffle 6, and the second limiting block 38 is arranged to prevent the arc-shaped shell 39 from shaking.
In the working principle or the structural principle, when the device is used, raw materials of the porcelain insulator are placed into the arc-shaped shells 39, the two arc-shaped shells 39 are mutually connected through the bolts 41 and the threaded hole plates 40, the first clamping block 19 is inserted into the first clamping groove 18, the third clamping block 27 is clamped into the third clamping groove 24, the first clamping block 19 pushes the fourth fixing plate 23 to extrude the first spring 25, the fourth fixing plate 23 drives the fourth clamping block 28 to be separated from the second clamping groove 22, the second spring 31 pushes the first fixing plate 20, the second clamping block 21 is clamped into the fourth clamping groove 26, the position of the first clamping block 19 is fixed, the third annular plate 44 is clamped into the second annular clamping groove 45, the position of the annular baffle 6 is fixed, the switch group control cylinder 1 is started, the pressing block 14 is driven to perform blank pressing forming on the materials in the arc-shaped shells 39, when the second sliding block 35 is contacted with the touch switch 36, the eddy current refrigerator 37 is started, the material in the arc-shaped shell 39 is cooled and formed, and when the material is pressed, the overflowing material is cut off by the annular cutter 15.
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 (5)
1. The utility model provides an electric porcelain insulator is with shaping pressed compact device, includes bottom plate (13), its characterized in that: the welding of the two supporting plates (3) on the two sides of the top of the bottom plate (13), the top plate (2) arranged above the bottom plate (13), the welding of the top plate (2) on one side of the supporting plate (3), the welding of the cylinder (1) on one side of the top plate (2), the welding of the piston rod of the cylinder (1) on the second fixing plate (4), the welding of the pressing block (14) on one side of the second fixing plate (4), the opening groove (46) formed on one side of the inside of the bottom plate (13), the welding of the first spring (25) on one side of the inside of the opening groove (46), the welding of the fourth fixing plate (23) on one side of the fourth fixing plate (23), the welding of the two third clamping grooves (24), the third clamping block (27) clamped inside the third clamping groove (24), a second annular plate (16) is welded on one side inside the hole groove (46), a fixed block (17) is welded on one side of the second annular plate (16), two first clamping grooves (18) are formed in one side inside the fixed block (17), a first clamping block (19) is clamped inside the first clamping grooves (18), one side of the first clamping block (19) is welded with a third clamping block (27), a fourth clamping groove (26) is formed in one side inside the first clamping block (19), a second clamping block (21) is clamped inside the fourth clamping groove (26), a second clamping groove (22) is formed in one side inside the second clamping block (21), a first fixing plate (20) is welded on one side of the second clamping block (21), a second spring (31) is welded on one side of the first fixing plate (20), and one end of the second spring (31) is welded with the bottom plate (13), the welding of one side of first fixture block (19) has arc shell (39), the welding of one side of arc shell (39) has screw hole board (40), the internal thread of screw hole board (40) is connected with bolt (41), one side fixedly connected with rope (11) of first fixed plate (20), bottom plate (13) is run through to the one end of rope (11), the one end fixedly connected with solid fixed ring (12) of bottom plate (13) is run through to rope (11), second slide rail (34) are installed to one side of backup pad (3), the internal sliding connection of second slide rail (34) has second slider (35), one side and the welding of second fixed plate (4) of second slider (35), second annular draw-in groove (45) have been seted up to one side of bottom plate (13), the inside joint of second annular draw-in groove (45) has third annular plate (44), one side welding of third annular plate (44) has ring baffle (6), first ring-shaped groove (43) have been seted up to one side of second fixed plate (4), one side welding of ring baffle (6) has first annular plate (5), the welding of inside one side of second slide rail (34) has third stopper (42), one side welding of second fixed plate (4) has annular cutter (15), touch switch (36) are installed to one side of third stopper (42), vortex refrigerator (37) are evenly installed to one side of ring baffle (6), the electrical output of touch switch (36) and the electrical input end electric connection of vortex refrigerator (37).
2. A device for forming green compacts for electric porcelain insulators, according to claim 1, characterized in that: two first slide rails (30) are all installed to the inside both sides of hole groove (46), the inside sliding connection of first slide rail (30) has first slider (29), one side and first fixed plate (20) welding of first slider (29).
3. A device for forming green compacts for electric porcelain insulators, according to claim 2, characterized in that: a first limiting block (33) is welded on one side of the interior of the first sliding rail (30).
4. A device for forming green compacts for electric porcelain insulators, according to claim 1, characterized in that: the bottom welding of bottom plate (13) has two column bases (9), the both sides welding of bottom plate (13) has two third fixed plates (7), the internal thread of third fixed plate (7) is connected with lead screw (8), gyro wheel (10) are installed to the one end of lead screw (8).
5. A device for forming green compacts for electric porcelain insulators, according to claim 1, characterized in that: and a second limiting block (38) is uniformly welded on one side of the inner part of the annular baffle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370000.2A CN112562939B (en) | 2020-11-30 | 2020-11-30 | Shaping pressed compact device for electric porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370000.2A CN112562939B (en) | 2020-11-30 | 2020-11-30 | Shaping pressed compact device for electric porcelain insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112562939A CN112562939A (en) | 2021-03-26 |
| CN112562939B true CN112562939B (en) | 2022-05-17 |
Family
ID=75045258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011370000.2A Active CN112562939B (en) | 2020-11-30 | 2020-11-30 | Shaping pressed compact device for electric porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112562939B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5223190A (en) * | 1991-02-01 | 1993-06-29 | Pirelli Cavi S.P.A. | Apparatus and method to make composite insulators for electric overhead lines |
| CN208737953U (en) * | 2018-09-10 | 2019-04-12 | 山东淄博电瓷厂股份有限公司 | A kind of suspension disc insulator pressure repaired biscuit integrated molding set composite |
| CN109920614A (en) * | 2019-04-13 | 2019-06-21 | 萍乡市信源电瓷制造有限公司 | A kind of electric porcelain insulator forming green compact device |
| CN110808136A (en) * | 2019-11-26 | 2020-02-18 | 王斌斌 | Column type insulator production processing former |
| CN111037419A (en) * | 2019-12-26 | 2020-04-21 | 倪敏跃 | Electric insulator forming processing technology |
| CN211699868U (en) * | 2020-05-18 | 2020-10-16 | 江西省星海电瓷制造有限公司 | Raw material briquetting machine for electric porcelain insulator |
| CN211699867U (en) * | 2020-05-18 | 2020-10-16 | 江西省星海电瓷制造有限公司 | Porcelain insulator shaping blanking frock |
| CN111844415A (en) * | 2020-07-25 | 2020-10-30 | 杨星 | Electric power insulator preparation mould |
-
2020
- 2020-11-30 CN CN202011370000.2A patent/CN112562939B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5223190A (en) * | 1991-02-01 | 1993-06-29 | Pirelli Cavi S.P.A. | Apparatus and method to make composite insulators for electric overhead lines |
| CN208737953U (en) * | 2018-09-10 | 2019-04-12 | 山东淄博电瓷厂股份有限公司 | A kind of suspension disc insulator pressure repaired biscuit integrated molding set composite |
| CN109920614A (en) * | 2019-04-13 | 2019-06-21 | 萍乡市信源电瓷制造有限公司 | A kind of electric porcelain insulator forming green compact device |
| CN110808136A (en) * | 2019-11-26 | 2020-02-18 | 王斌斌 | Column type insulator production processing former |
| CN111037419A (en) * | 2019-12-26 | 2020-04-21 | 倪敏跃 | Electric insulator forming processing technology |
| CN211699868U (en) * | 2020-05-18 | 2020-10-16 | 江西省星海电瓷制造有限公司 | Raw material briquetting machine for electric porcelain insulator |
| CN211699867U (en) * | 2020-05-18 | 2020-10-16 | 江西省星海电瓷制造有限公司 | Porcelain insulator shaping blanking frock |
| CN111844415A (en) * | 2020-07-25 | 2020-10-30 | 杨星 | Electric power insulator preparation mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112562939A (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111844415B (en) | Electric power insulator preparation mould | |
| CN112562939B (en) | Shaping pressed compact device for electric porcelain insulator | |
| CN112071528B (en) | Windproof porcelain insulator and manufacturing process thereof | |
| CN216719586U (en) | Capacity-increasable overhead insulated cable | |
| CN213781712U (en) | Butterfly porcelain insulator convenient to installation | |
| CN213070755U (en) | Bus post insulator convenient to installation | |
| CN214043521U (en) | Protection architecture for outdoor column vacuum circuit breaker | |
| CN112435815B (en) | High-strength suspension insulator for ultra-high voltage transmission line | |
| CN201309431Y (en) | Novel mica ceramic insulator for electric high speed locomotive | |
| CN221079737U (en) | Post insulator | |
| CN220469655U (en) | Partition door hanging wheel track section bar | |
| CN213092923U (en) | Composite connection type post porcelain insulator | |
| CN214281333U (en) | Kiln up-converter convenient to overhaul | |
| CN212967268U (en) | High-strength electric porcelain insulator | |
| CN215069455U (en) | Lightning protection column type electroceramic insulator | |
| CN213366274U (en) | High-strength disk-shaped suspension porcelain insulator | |
| CN218299487U (en) | Rod-shaped suspension type porcelain insulator | |
| CN218620013U (en) | Lower support structure of tower crane | |
| CN217214447U (en) | Simple iron core casting mold | |
| CN110957132B (en) | Manufacturing device for lead assembly of oil-immersed transformer | |
| CN112259305B (en) | Self-cleaning type nano glaze porcelain umbrella-shaped insulator and use method thereof | |
| CN220105118U (en) | Detachable ultrahigh frequency sensor | |
| CN221669477U (en) | Building electric circuit fixing device | |
| CN220544608U (en) | Cable harness structure for building | |
| CN115319893B (en) | Post insulator rapid prototyping device and working principle thereof |
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 |