CN112171619A - Transformer overhauls protection instrument - Google Patents
Transformer overhauls protection instrument Download PDFInfo
- Publication number
- CN112171619A CN112171619A CN202011029892.XA CN202011029892A CN112171619A CN 112171619 A CN112171619 A CN 112171619A CN 202011029892 A CN202011029892 A CN 202011029892A CN 112171619 A CN112171619 A CN 112171619A
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- Prior art keywords
- fixedly connected
- box
- sliding
- block
- rod
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- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000007767 bonding agent Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 2
- 239000011230 binding agent Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/02—Boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a transformer maintenance protection tool, which comprises a box body, wherein the bottom of the inner side of the box body is contacted with a roller, the upper ends of the rollers are provided with a base, the number of the rollers is four, the four rollers are uniformly distributed at the lower end of the base, a clamping groove is arranged in the base, a placing frame is clamped in the clamping groove, a partition plate is fixedly connected to the bottom of the inner side of the placing frame, the bottom of the inner side of the placing frame and the two sides of the partition plate are fixedly connected with six shells, the six shells are symmetrically distributed on the two sides of the partition plate, the left side of the outer part of the box body is provided with an air pump, the right side of the air pump is fixedly connected with a connecting pipe, the invention relates to a transformer maintenance protection tool, which has the characteristics of more sufficient tool fixing and vacuum tool storage.
Description
Technical Field
The invention belongs to the technical field of transformer overhaul, and particularly relates to a transformer overhaul protection tool.
Background
The transformation refers to a process of converting voltage from low level to high level (boosting) or from high level to low level (reducing) in an electric power system through a certain device, and is an electric power production and consumption system consisting of links of power generation, power transmission, power transformation, power distribution, power utilization and the like.
Patent application No. 201820766755.6 relates to a transformer overhauls protection instrument, the power distribution box comprises a box body, it is connected with the rotary rod to rotate between the both sides of box inner wall, the bottom fixedly connected with motor of box inner wall, and the first conical gear of the one end fixedly connected with of motor output shaft, the fixed surface of rotary rod is connected with the second conical gear who meshes with first conical gear mutually, the utility model relates to a transformer overhauls technical field. This protection instrument is overhauld to transformer, bottom fixedly connected with motor through box inner wall, classify to these instruments and deposit the damage that is favorable to reducing the instrument, insulating tool can not receive the influence and makes insulating nature reduce, make things convenient for the look for and check of instrument, be difficult to the instrument of losing, it is more convenient to operate, and the work efficiency is improved, the top of shell inner wall and the equal fixedly connected with bottom plate in bottom, holistic stability and security have been improved, the instrument is difficult for receiving the damage, it is more convenient to take and arrange in order. However, the current protection tools have some problems: 1. the fixation to the tool is not firm enough; 2. air entering the tool box for a long time may rust the tool and reduce the insulation performance. Therefore, a transformer maintenance protection tool needs to be designed.
The invention content is as follows:
the present invention is directed to solving the above problems and providing a transformer maintenance protection tool, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a transformer overhauls protection instrument, the power distribution box comprises a box body, the inboard bottom contact of box has the gyro wheel, the base is installed to the upper end of gyro wheel, the quantity of gyro wheel is four, four gyro wheel evenly distributed is at the lower extreme of base, the draw-in groove has been seted up to the inside of base, the inside joint of draw-in groove has places the frame, place the inboard bottom fixedly connected with baffle of frame, the inboard bottom of placing the frame and be located the equal fixedly connected with shell in both sides of baffle, the quantity of shell is six, six shell symmetric distribution is in the both sides of baffle, the aspiration pump is installed in the outside left side of box, the right side fixedly connected with connecting pipe of aspiration pump, the connecting pipe runs through the box and extends to the inside.
As preferred, the sliding tray has been seted up to the inside of box, the inside sliding connection of sliding tray has the slide bar, the terminal fixedly connected with guide holder of slide bar, the half slot has been seted up to the inside of guide holder, the internally mounted of half slot has the ball, the quantity of ball is twelve, twelve ball evenly distributed is in the inside of guide holder, the outside joint of guide holder has the card cover, the inside rotation of card cover is connected with the ball, the surface contact of ball has places the frame, first spring has been cup jointed to the outside of slide bar, first spring is close to the one end fixedly connected with guide holder of guide holder, the other end of first spring and the inner wall fixed connection of box, the quantity of guide holder is two, two guide holder symmetric distribution is in the both sides of placing the frame.
Preferably, the inner side of the outer shell is fixedly connected with two second springs, the two second springs are symmetrically distributed on the inner side of the outer shell, the tail ends of the second springs are fixedly connected with an upper clamping block, the inner side of the upper clamping block is bonded with a protective pad through a bonding agent, the outer portion of the upper clamping block is fixedly connected with a serial box, a sliding groove is formed in the serial box, a sliding block is slidably connected inside the sliding groove, the lower end of the sliding block is fixedly connected with a connecting block, the lower end of the connecting block is fixedly connected with a connecting rod, the right side of the connecting rod is fixedly connected with a clamping pin, the right side of the connecting block is fixedly connected with a push-pull rod, and the tail end of the push-pull rod is fixedly connected with a.
Preferably, a sliding hole is formed in the right side of the serial box, a push-pull rod is connected to the inside of the sliding hole in a sliding mode, the push-pull rod penetrates through the sliding hole and extends to the outside of the sliding hole, a third spring is sleeved on the outside of the push-pull rod and located on the outside of the serial box, the left side of the third spring is fixedly connected with the outside of the serial box, a pressing block is fixedly connected to the right side of the third spring, a through hole is formed in the lower end of the serial box, a fixing rod is connected to the inside of the through hole in a sliding mode, a fixing block is fixedly connected to the lower end of the fixing rod, a lower clamping block is fixedly connected to the left side of the fixing block, the fixing rod penetrates through the through hole and extends to the inside of the serial box, a pin hole is formed.
Preferably, the box body is externally provided with a hinge, the right side of the hinge is provided with a box door, and the box door is clamped with the box body.
Preferably, a gasket is adhered to the inner surface of the door through an adhesive, and the gasket is located between the box body and the door.
Preferably, a projection is fixedly connected to the right side of the box door, and a fixing bolt is slidably connected to the inside of the projection.
Preferably, the tail end of the fixing bolt is in threaded connection with the box body, and a deflector rod is fixedly connected to the outside of the fixing bolt.
The invention has the beneficial effects that: the invention relates to a transformer maintenance protection tool, which has the characteristics of more sufficient tool fixing and vacuum storage, and has the following two beneficial effects compared with the conventional transformer maintenance protection tool in specific use:
firstly, two symmetrical second springs are fixedly connected to the inner side of the shell, the tail ends of the two second springs are respectively and fixedly connected with the upper clamping block and the lower clamping block, a tool can be placed between the upper clamping block and the lower clamping block, protective pads are arranged on the inner sides of the upper clamping block and the lower clamping block, the tool is placed to be worn, and the outer portions of the upper clamping block and the lower clamping block are fixed together through a series box, so that the protection of the tool between the upper clamping block and the lower clamping block is more sufficient;
secondly, pass through the hinge installation chamber door through the outside of box, set up sealed pad between chamber door and box, the right side fixed connection lug of chamber door, the inside sliding connection fixing bolt of lug, fixing bolt threaded connection is in the inside of box for the chamber door can seal the box, and at the externally mounted aspiration pump of box, the aspiration pump passes through the connecting pipe and takes out the inside air of box, makes to be in vacuum state in the box, and under the vacuum state, the instrument can be better preserve.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the housing structure of the present invention;
FIG. 3 is a top view of the placement frame of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 5 is a top view of the guide base of the present invention;
FIG. 6 is a front view of the housing of the present invention;
FIG. 7 is a top view of the housing of the present invention;
fig. 8 is a side view of the housing of the present invention.
In the figure: 1. a box body; 2. a roller; 3. a base; 4. a card slot; 5. placing the frame; 6. a housing; 7. a partition plate; 8. an air pump; 9. a connecting pipe; 10. a sliding groove; 11. a slide bar; 12. a guide seat; 13. a semicircular groove; 14. a ball bearing; 15. a clamping cover; 16. a first spring; 17. a second spring; 18. an upper clamping block; 19. a protective pad; 20. a lower clamping block; 21. a series connection box; 22. a chute; 23. a slider; 24. connecting blocks; 25. a connecting rod; 26. a bayonet lock; 27. a push-pull rod; 28. a pressing block; 29. a third spring; 30. a slide hole; 31. a fixed block; 32. fixing the rod; 33. a pin hole; 34. a through hole; 35. a hinge; 36. a box door; 37. a bump; 38. fixing the bolt; 39. a deflector rod; 40. and a gasket.
The specific implementation mode is as follows:
as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a transformer overhauls protection instrument, includes box 1, the inboard bottom contact of box 1 has gyro wheel 2, base 3 is installed to the upper end of gyro wheel 2, the quantity of gyro wheel 2 is four, four 2 evenly distributed of gyro wheel are at the lower extreme of base 3, draw-in groove 4 has been seted up to the inside of base 3, the inside joint of draw-in groove 4 has places frame 5, place the inboard bottom fixedly connected with baffle 7 of frame 5, the inboard bottom of placing frame 5 and the equal fixedly connected with shell 6 in both sides that is located baffle 7, the quantity of shell 6 is six, six 6 symmetric distribution of shell is in the both sides of baffle 7, aspiration pump 8 is installed in the outside left side of box 1, aspiration pump 8's right side fixedly connected with connecting pipe 9, connecting pipe 9 runs through box 1 and extends to box 1's inside.
Wherein, the box body 1 is internally provided with a sliding groove 10, the sliding groove 10 is internally connected with a sliding rod 11 in a sliding way, the tail end of the slide bar 11 is fixedly connected with a guide seat 12, a semicircular groove 13 is arranged inside the guide seat 12, the semi-circular groove 13 is internally provided with twelve balls 14, the twelve balls 14 are uniformly distributed in the guide seat 12, a clamping cover 15 is clamped outside the guide seat 12, a ball 14 is rotatably connected inside the clamping cover 15, the surface of the ball 14 contacts with the placing frame 5, the sliding rod 11 is sleeved with a first spring 16, one end of the first spring 16 close to the guide seat 12 is fixedly connected with the guide seat 12, the other end of the first spring 16 is fixedly connected with the inner wall of the box body 1, the number of the guide seats 12 is two, and the two guide seats 12 are symmetrically distributed on two sides of the placing frame 5.
The inner side of the outer shell 6 is fixedly connected with two second springs 17, the number of the second springs 17 is two, the two second springs 17 are symmetrically distributed on the inner side of the outer shell 6, the tail ends of the second springs 17 are fixedly connected with an upper clamping block 18, the inner side of the upper clamping block 18 is bonded with a protective pad 19 through a bonding agent, the outer portion of the upper clamping block 18 is fixedly connected with a serial box 21, a sliding groove 22 is formed in the serial box 21, a sliding block 23 is slidably connected to the inner portion of the sliding groove 22, a connecting block 24 is fixedly connected to the lower end of the sliding block 23, a connecting rod 25 is fixedly connected to the lower end of the connecting block 24, a clamping pin 26 is fixedly connected to the right side of the connecting rod 25, a push-pull rod 27 is fixedly connected to the right side of the connecting block 24, and a pressing block 28.
Wherein, a sliding hole 30 is arranged inside the right side of the serial box 21, a push-pull rod 27 is connected inside the sliding hole 30 in a sliding way, the push-pull rod 27 penetrates through the sliding hole 30 and extends to the outside of the sliding hole 30, a third spring 29 is sleeved outside the push-pull rod 27 and positioned outside the serial box 21, the left side of the third spring 29 is fixedly connected with the outside of the serial box 21, the right side of the third spring 29 is fixedly connected with a pressing block 28, a through hole 34 is arranged in the lower end of the serial box 21, a fixing rod 32 is connected in the through hole 34 in a sliding way, the lower end of the fixing rod 32 is fixedly connected with a fixing block 31, the left side of the fixing block 31 is fixedly connected with a lower clamping block 20, the fixing rod 32 penetrates through the through hole 34 and extends to the interior of the serial box 21, a pin hole 33 is formed in the fixing rod 32, and a bayonet 26 is connected to the interior of the pin hole 33 in a sliding mode.
The refrigerator comprises a refrigerator body 1 and is characterized in that hinges 35 are mounted outside the refrigerator body 1, a refrigerator door 36 is mounted on the right side of each hinge 35, and the refrigerator door 36 is connected with the refrigerator body 1 in a clamping mode.
The inner surface of the door 36 is bonded with a gasket 40 through an adhesive, and the gasket 40 is located between the cabinet 1 and the door 36.
A projection 37 is fixedly connected to the right side of the door 36, and a fixing bolt 38 is slidably connected to the inside of the projection 37.
The tail end of the fixing bolt 38 is in threaded connection with the box body 1, and a shift lever 39 is fixedly connected to the outside of the fixing bolt 38.
The using state of the invention is as follows: when in use, the tool box is placed on the maintenance platform, a worker rotates the shift lever 39, the fixing bolt 38 is taken down, the box door 36 is opened, the placing frame 5 is pulled out through the roller 2 at the lower end of the base 3, tools in different shells 6 are selected according to requirements, the pressing block 28 is pressed downwards after the tools are selected, the pressing block 28 pushes the push-pull rod 27, the push-pull rod 27 pushes the connecting block 24, the connecting block 24 drives the connecting rod 25, the bayonet 26 of the connecting rod 25 is separated from the pin hole 33 on the fixing rod 32, the upper clamping block 18 is separated from the lower clamping block 20 at the moment, the tools are taken down for maintenance work, after the use is finished, the tools are placed back into the original shell 6 and placed between the upper clamping block 18 and the lower clamping block 20, the second spring 17 rebounds, the upper clamping block 18 and the lower clamping block 20, the pressing block 28 is pressed downwards, the pressing block 28 pushes the push-pull rod 27, connecting block 24 drives connecting rod 25, dead lever 32 on the outside fixed block 31 of lower clamp splice 20 reenters the tandem box 21 through the through-hole 34 of tandem box 21, loosen press block 28 this moment, the resilience of third spring 29, make bayonet lock 26 reenter in the pinhole 33, make upper clamp splice 18 and lower clamp splice 20 further fixed, thereby more abundant to the protection of instrument, then will place frame 5 and tighten up in box 1 together with shell 6, place the guide holder 12 of frame 5 both sides and prevented to place frame 5 and rock about, close box door 36 this moment, tighten fixing bolt 38, make box door 36 seal box 1 completely, then open aspiration pump 8, aspiration pump 8 takes out the air in box 1 through connecting pipe 9, make in the box 1 be in the vacuum state, under the vacuum state, the instrument can better save.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a transformer overhauls protection tool which characterized in that: the box comprises a box body (1), wherein rollers (2) are contacted with the bottom of the inner side of the box body (1), a base (3) is installed at the upper end of each roller (2), the number of the rollers (2) is four, the rollers (2) are uniformly distributed at the lower end of the base (3), a clamping groove (4) is formed in the base (3), a placing frame (5) is clamped in the clamping groove (4), a partition plate (7) is fixedly connected to the bottom of the inner side of the placing frame (5), shells (6) are fixedly connected to the bottom of the inner side of the placing frame (5) and positioned on two sides of the partition plate (7), the number of the shells (6) is six, the six shells (6) are symmetrically distributed on two sides of the partition plate (7), an air suction pump (8) is installed on the left side of the outer portion of the box body (1), and a connecting pipe (9) is fixedly connected to the, the connecting pipe (9) penetrates through the box body (1) and extends to the interior of the box body (1).
2. A transformation maintenance protection tool according to claim 1, characterized in that: the box body (1) is internally provided with a sliding groove (10), the sliding groove (10) is internally connected with a sliding rod (11) in a sliding manner, the tail end of the sliding rod (11) is fixedly connected with a guide seat (12), the guide seat (12) is internally provided with a semicircular groove (13), balls (14) are arranged inside the semicircular groove (13), the balls (14) are twelve and twelve in number and are uniformly distributed inside the guide seat (12), the guide seat (12) is externally clamped with a clamping cover (15), the clamping cover (15) is internally and rotatably connected with the balls (14), the balls (14) are in surface contact with a placing frame (5), the sliding rod (11) is externally sleeved with a first spring (16), and one end of the first spring (16) close to the guide seat (12) is fixedly connected with the guide seat (12), the other end of the first spring (16) is fixedly connected with the inner wall of the box body (1), the number of the guide seats (12) is two, and the two guide seats (12) are symmetrically distributed on two sides of the placement frame (5).
3. A transformation maintenance protection tool according to claim 1, characterized in that: the inner side of the shell (6) is fixedly connected with two second springs (17), the number of the second springs (17) is two, the two second springs (17) are symmetrically distributed on the inner side of the shell (6), the tail ends of the second springs (17) are fixedly connected with an upper clamping block (18), the inner side of the upper clamping block (18) is bonded with a protective pad (19) through a binder, the outer part of the upper clamping block (18) is fixedly connected with a serial box (21), a sliding groove (22) is arranged inside the serial box (21), a sliding block (23) is slidably connected inside the sliding groove (22), the lower end of the sliding block (23) is fixedly connected with a connecting block (24), the lower end of the connecting block (24) is fixedly connected with a connecting rod (25), the right side of the connecting rod (25) is fixedly connected with a clamping pin (26), and the right side of the connecting block (24) is fixedly connected with a push-pull rod, the tail end of the push-pull rod (27) is fixedly connected with a pressing block (28).
4. A transformation maintenance protection tool according to claim 3, characterized in that: a sliding hole (30) is formed in the right side of the serial box (21), a push-pull rod (27) is connected to the inside of the sliding hole (30) in a sliding mode, the push-pull rod (27) penetrates through the sliding hole (30) and extends to the outside of the sliding hole (30), a third spring (29) is sleeved on the outside of the push-pull rod (27) and located outside the serial box (21), the left side of the third spring (29) is fixedly connected with the outside of the serial box (21), a pressing block (28) is fixedly connected to the right side of the third spring (29), a through hole (34) is formed in the lower end of the serial box (21), a fixing rod (32) is connected to the inside of the through hole (34) in a sliding mode, a fixing block (31) is fixedly connected to the lower end of the fixing rod (32), a lower clamping block (20) is fixedly connected to the left side of the fixing block (31), and the fixing rod (32) penetrates through the through hole (34) and extends to the, a pin hole (33) is formed in the fixing rod (32), and a bayonet (26) is connected to the inside of the pin hole (33) in a sliding mode.
5. A transformation maintenance protection tool according to claim 1, characterized in that: the refrigerator is characterized in that a hinge (35) is mounted outside the refrigerator body (1), a refrigerator door (36) is mounted on the right side of the hinge (35), and the refrigerator door (36) is connected with the refrigerator body (1) in a clamped mode.
6. A transformer maintenance protection tool according to claim 5, characterized in that: the inner side surface of the box door (36) is bonded with a sealing gasket (40) through a bonding agent, and the sealing gasket (40) is positioned between the box body (1) and the box door (36).
7. A transformer maintenance protection tool according to claim 5, characterized in that: the right side of the box door (36) is fixedly connected with a convex block (37), and a fixing bolt (38) is slidably connected inside the convex block (37).
8. A transformer maintenance protection tool according to claim 7, characterized in that: the tail end of the fixing bolt (38) is in threaded connection with the box body (1), and a shifting rod (39) is fixedly connected to the outer portion of the fixing bolt (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029892.XA CN112171619A (en) | 2020-09-27 | 2020-09-27 | Transformer overhauls protection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011029892.XA CN112171619A (en) | 2020-09-27 | 2020-09-27 | Transformer overhauls protection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112171619A true CN112171619A (en) | 2021-01-05 |
Family
ID=73943592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011029892.XA Pending CN112171619A (en) | 2020-09-27 | 2020-09-27 | Transformer overhauls protection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112171619A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9722132D0 (en) * | 1997-10-21 | 1997-12-17 | Spooner Paul | Combined vacuum cleaner and tool box |
| CN105690353A (en) * | 2016-03-15 | 2016-06-22 | 万庆昆 | Electric power tool carrying cart |
| CN107377150A (en) * | 2017-09-05 | 2017-11-24 | 冷国强 | A kind of quick crushing device of petroleum coke |
| CN107454780A (en) * | 2017-07-17 | 2017-12-08 | 石国华 | A kind of electronic device control method of anticollision |
| CN208163602U (en) * | 2018-05-22 | 2018-11-30 | 王冉冉 | A kind of substation equipment maintenance and repair protection tool |
| CN209986921U (en) * | 2019-05-15 | 2020-01-24 | 陶玉衡 | Toolbox is used in electromechanical maintenance of mine |
| CN211480272U (en) * | 2020-04-03 | 2020-09-11 | 广州市天固电子科技有限公司 | But quick assembly disassembly's intelligent receiving antenna |
-
2020
- 2020-09-27 CN CN202011029892.XA patent/CN112171619A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9722132D0 (en) * | 1997-10-21 | 1997-12-17 | Spooner Paul | Combined vacuum cleaner and tool box |
| CN105690353A (en) * | 2016-03-15 | 2016-06-22 | 万庆昆 | Electric power tool carrying cart |
| CN107454780A (en) * | 2017-07-17 | 2017-12-08 | 石国华 | A kind of electronic device control method of anticollision |
| CN107377150A (en) * | 2017-09-05 | 2017-11-24 | 冷国强 | A kind of quick crushing device of petroleum coke |
| CN208163602U (en) * | 2018-05-22 | 2018-11-30 | 王冉冉 | A kind of substation equipment maintenance and repair protection tool |
| CN209986921U (en) * | 2019-05-15 | 2020-01-24 | 陶玉衡 | Toolbox is used in electromechanical maintenance of mine |
| CN211480272U (en) * | 2020-04-03 | 2020-09-11 | 广州市天固电子科技有限公司 | But quick assembly disassembly's intelligent receiving antenna |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210604 Address after: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Applicant after: State Grid Shandong Electric Power Company Yantai Power Supply Co. Address before: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Applicant before: State Grid Shandong Electric Power Company Yantai Power Supply Co. Applicant before: STATE GRID CORPORATION OF CHINA |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210105 |
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| RJ01 | Rejection of invention patent application after publication |