CN110103193A - A kind of transformer equipment fastening tool - Google Patents
A kind of transformer equipment fastening tool Download PDFInfo
- Publication number
- CN110103193A CN110103193A CN201910487414.4A CN201910487414A CN110103193A CN 110103193 A CN110103193 A CN 110103193A CN 201910487414 A CN201910487414 A CN 201910487414A CN 110103193 A CN110103193 A CN 110103193A
- Authority
- CN
- China
- Prior art keywords
- slot
- bar
- fixedly installed
- attachment base
- insulating bar
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J1/00—Manipulators positioned in space by hand
- B25J1/04—Manipulators positioned in space by hand rigid, e.g. shelf-reachers
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention belongs to fastening tool fields, especially a kind of transformer equipment fastening tool, it is not easy to splice insulating bar for existing transformer equipment fastening tool, and it is not easy to the problem of nut is fixed, now propose following scheme, it includes insulating bar, the bottom of the insulating bar is equipped with connecting rod, the two sides of insulating bar are fixedly installed with the first attachment base, the two sides of connecting rod are fixedly installed with the second attachment base, and first attachment base be adapted with the second attachment base, the side of insulating bar is fixedly installed with fixed pliers head, the side of insulating bar is slidably fitted with movable binding clip, and movable binding clip is adapted with fixed pliers head, the side of insulating bar offers the first slot, and movable binding clip is slidably mounted in the first slot.Practical performance of the present invention is high, and structure is simple, easy to operate, convenient for splicing to insulating bar and connecting rod, and convenient for gripping to nut, consequently facilitating rotating to nut.
Description
Technical field
The present invention relates to fastening tool technical field more particularly to a kind of transformer equipment fastening tools.
Background technique
Often there is the case where primary equipment connector overheat in substation.Mainly may be used for the heat condition of current caused hot type
To be divided into, contact surface oxidation causes contact resistance excessive and cold and hot variation causes to fasten spiral shell equipment longtime running in harsh environment
Silk occurs to loosen two kinds, and the patent document of Patent No. 201710978156.0 provides transformer equipment fastening tool, on insulating bar
Gripping mechanism and driving device are set, so that service personnel station on the ground can fasten the nut of loosening；It ensure that maintenance
The life security of personnel avoids equipment interruption maintenance, reduce unplanned power failure number and therefore caused by loss, increase
Power supply reliability, convenient for applying and push away.
But there is also shortcomings for above-mentioned design, and above-mentioned design insulating bar is too long, inconvenient to carry, and nut is fixed difficult,
There is being not easy to splice insulating bar, and it is not easy to the problem of nut is fixed, therefore we have proposed one kind
Transformer equipment fastening tool is for solving the above problems.
Summary of the invention
The purpose of the present invention is to solve existing in the prior art to be not easy to splice insulating bar, and it is not easy to pair
The shortcomings that nut is fixed, and a kind of transformer equipment fastening tool proposed.
The bottom of a kind of transformer equipment fastening tool proposed by the present invention, including insulating bar, the insulating bar is equipped with connection
Bar, the two sides of insulating bar are fixedly installed with the first attachment base, and the two sides of connecting rod are fixedly installed with the second attachment base, and first connects
Joint chair is adapted with the second attachment base, and the side of insulating bar is fixedly installed with fixed pliers head, and the side of insulating bar is slidably fitted with
Movable binding clip, and movable binding clip is adapted with fixed pliers head, the side of insulating bar offers the first slot, and movable binding clip sliding peace
In the first slot.
Preferably, one end of screw rod is rotatably equipped in the top inner wall of first slot, in the top inner wall of the first slot
With same first bar is fixedly installed in bottom interior wall, and adjustable clamp head thread is set on screw rod, movable binding clip movable sleeve
It is located on the first bar, due to being provided with movable binding clip, convenient for being gripped to nut.
Preferably, the first hole is offered in the connecting rod, and rotating bar, the top of rotating bar are rotatably equipped in the first hole
The top of connecting rod is extended to, the bottom end of rotating bar extends to the lower section of connecting rod and is fixedly installed with rotating handle, due to setting
It is equipped with rotating handle, screw rod is able to drive by spiral handle and is rotated, so as to drive movable binding clip to be moved.
Preferably, the bottom of the insulating bar offers the second slot, and screw rod extends in the second slot, rotating bar and second
Slot is adapted, and link slot is offered at the top of rotating bar, and top is offered on the side inner wall of link slot as the card slot of opening, silk
Bar is adapted with link slot, and the side of screw rod is fixedly installed with deck, and deck is adapted with card slot, due to be provided with deck and
Card slot can limit screw rod, be rotated so that the rotation of rotating bar is able to drive screw rod.
Preferably, the bottom of the insulating bar is opened up there are two symmetrically arranged locating slot, and the top of connecting rod is fixed to pacify
Dress is there are two symmetrically arranged positioning seat, and positioning seat is adapted with corresponding locating slot, two positioning seats be located remotely from each other one
Side offers the first fixing groove, and the side of the first attachment base offers third slot, and fixed link is slidably fitted in third slot, and
Fixed link is mutually clamped with corresponding first fixing groove, due to being provided with fixed link and the first fixing groove, can be carried out to positioning seat
It is fixed.
Preferably, sliding groove is offered in the top inner wall of the third slot, slide plate, slide plate is slidably fitted in sliding groove
Bottom be hinged with one end of the second bar, the other end of the second bar is hinged in fixed link, opens up in the top inner wall of sliding groove
There is threaded hole, threaded hole internal screw thread is equipped with threaded rod, and the bottom end of threaded rod is rotatably installed on corresponding slide plate, threaded rod
Top extends to the top of the first attachment base and is fixedly installed with handle, and the bottom of slide plate is fixedly installed with one end of compression bar, pressure
The other end of bar extends to the lower section of the first attachment base, due to being provided with threaded hole, when threaded rod rotation, in the work of threaded hole
Under, threaded rod is enabled to move while rotating.
Preferably, what is opened up at the top of second attachment base has placing groove, and the bottom of the first attachment base is fixedly installed with
Placement rack, and placement rack is adapted with placing groove, the side that two placement racks are located remotely from each other offers the second fixing groove, places
The side of slot offers shifting chute, fixing seat is slidably fitted in shifting chute, and fixing seat is adapted with the second fixing groove, fixed
The side of seat is fixedly installed with Triangulum, and compression bar is extended in shifting chute and is adapted with Triangulum, due to being provided with fixation
Seat and the second fixing groove, can be fixed placement rack.
Preferably, limiting slot is offered in the bottom interior wall of the shifting chute, the bottom of fixing seat is fixedly installed with limit
Block, and limited block is slidably connected with limiting slot, the side of limited block are fixedly installed with one end of reset spring, reset spring it is another
One end is fixedly mounted on the inner wall of limiting slot, due to being provided with reset spring, can reset to limited block.
In the present invention, a kind of transformer equipment fastening tool is when splicing connecting rod and insulating bar, swing handle,
Hand-motion threaded rod is rotated, and under the action of threaded hole, so that threaded rod moves while rotating, threaded rod, which drives, to be slided
Plate is moved, and slide plate drives the second bar to be moved, and the second bar drives fixed link to be moved, so that fixed link is caught in correspondence
The first fixing groove in, slide plate drives compression bar to move down downwards so that compression bar squeezes Triangulum so that Triangulum into
Row movement, Triangulum drive fixing seat to be moved, and fixing seat drives limited block mobile and stretches reset spring, so that fixing seat
It is caught in the second fixing groove, so that placement rack be fixed, realizes the splicing to connecting rod and insulating bar.
Fixed pliers head is placed on the top of nut, then rotates rotating handle, rotating handle drives rotating bar to be turned
Dynamic, rotating bar drives screw rod to be rotated, and screw rod drive activity binding clip is moved, so that the lower section phase of movable binding clip and nut
Contact, to be gripped by fixed pliers head and movable binding clip to nut, consequently facilitating being rotated to nut.
Practical performance of the present invention is high, and structure is simple, easy to operate, convenient for splicing to insulating bar and connecting rod, and just
It is gripped in nut, consequently facilitating being rotated to nut.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of transformer equipment fastening tool proposed by the present invention；
Fig. 2 is a kind of schematic cross-sectional view of the part A of transformer equipment fastening tool proposed by the present invention；
Fig. 3 is a kind of schematic cross-sectional view of the part B of transformer equipment fastening tool proposed by the present invention；
Fig. 4 is a kind of schematic cross-sectional view of the C portion of transformer equipment fastening tool proposed by the present invention；
Fig. 5 is a kind of schematic cross-sectional view of the part D of transformer equipment fastening tool proposed by the present invention.
In figure: 1 connecting rod, 2 insulating bars, 3 first holes, 4 rotating bars, 5 rotating handles, 6 fixed pliers heads, 7 second slots, 8
One slot, 9 screw rods, 10 movable binding clips, 11 card slots, 12 decks, 13 locating slots, 14 positioning seats, 15 first fixing grooves, 16 first connections
Seat, 17 third slots, 18 fixed links, 19 sliding grooves, 20 slide plates, 21 threaded holes, 22 threaded rods, 23 handles, 24 compression bars, 25 second connect
Joint chair, 26 placing grooves, 27 placement racks, 28 second fixing grooves, 29 shifting chutes, 30 fixing seats, 31 Triangulums, 32 limiting slots, 33 limits
Position block, 34 reset springs, 35 second bars, 36 first bars, 37 link slots.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
With reference to Fig. 1-5, a kind of transformer equipment fastening tool, including insulating bar 2 are proposed in the present embodiment, insulating bar 2
Bottom is equipped with connecting rod 1, and the two sides of insulating bar 2 are fixedly installed with the first attachment base 16, and the two sides of connecting rod 1 are fixedly installed with the
Two attachment bases 25, and the first attachment base 16 is adapted with the second attachment base 25, the side of insulating bar 2 is fixedly installed with fixed pliers head
6, the side of insulating bar 2 is slidably fitted with movable binding clip 10, and movable binding clip 10 is adapted with fixed pliers head 6, and the one of insulating bar 2
Side offers the first slot 8, and movable binding clip 6 is slidably mounted in the first slot 8.
In the present embodiment, one end of screw rod 9, the top inner wall of the first slot 8 are rotatably equipped in the top inner wall of the first slot 8
Same first bar 36 is fixedly installed in upper and bottom interior wall, and movable 10 screw thread of binding clip is set on screw rod 9, movable binding clip
10 are movably set on the first bar 36, due to being provided with movable binding clip 10, convenient for gripping to nut.
In the present embodiment, the first hole 3 is offered in connecting rod 1, rotating bar 4, rotating bar 4 are rotatably equipped in the first hole 3
Top extend to the top of connecting rod 1, the bottom end of rotating bar 4 extends to the lower section of connecting rod 1 and is fixedly installed with rotation hand
Handle 5 is able to drive screw rod 9 by spiral handle 5 and is rotated, so as to drive adjustable clamp due to being provided with rotating handle 5
First 10 are moved.
In the present embodiment, the bottom of insulating bar 2 offers the second slot 7, and screw rod 9 extends in the second slot 7, rotating bar 4
It is adapted with the second slot 7, the top of rotating bar 4 offers link slot 37, and top is offered on the side inner wall of link slot 37 and is
The card slot 11 of opening, screw rod 9 are adapted with link slot 37, and the side of screw rod 9 is fixedly installed with deck 12, and deck 12 and card slot
11 are adapted, and due to being provided with deck 12 and card slot 11, can limit to screw rod 9, so that the rotation of rotating bar 4 being capable of band
Dynamic screw rod 9 is rotated.
In the present embodiment, the bottom of insulating bar 2 is opened up there are two symmetrically arranged locating slot 13, and the top of connecting rod 1 is solid
There are two symmetrically arranged positioning seats 14 for Dingan County's dress, and positioning seat 14 is adapted with corresponding locating slot 13, two positioning seats 14
The side being located remotely from each other offers the first fixing groove 15, and the side of the first attachment base 16 offers third slot 17, third slot 17
It is inside slidably fitted with fixed link 18, and fixed link 18 is clamped with corresponding first fixing groove, 15 phase, due to being provided with fixed link 18
With the first fixing groove 15, positioning seat 14 can be fixed.
In the present embodiment, sliding groove 19 is offered in the top inner wall of third slot 17, is slidably fitted with cunning in sliding groove 19
Plate 20, the bottom of slide plate 20 are hinged with one end of the second bar 35, and the other end of the second bar 35 is hinged in fixed link 18, sliding groove
Threaded hole 21 is offered in 19 top inner wall, 21 internal screw thread of threaded hole is equipped with threaded rod 22, the bottom end rotation of threaded rod 22
It is mounted on corresponding slide plate 20, the top of threaded rod 22 extends to the top of the first attachment base 16 and is fixedly installed with handle
23, the bottom of slide plate 20 is fixedly installed with one end of compression bar 24, and the other end of compression bar 24 extends to the lower section of the first attachment base 16,
Due to being provided with threaded hole 21, when threaded rod 22 rotates, under the action of threaded hole 21, threaded rod 22 is enabled to turn on one side
It is dynamic to move on one side.
In the present embodiment, what the top of the second attachment base 25 opened up has placing groove 26, and the bottom of the first attachment base 16 is fixed
Placement rack 27 is installed, and placement rack 27 is adapted with placing groove 26, the side that two placement racks 27 are located remotely from each other offers
Second fixing groove 28, the side of placing groove 26 offer shifting chute 29, fixing seat 30 are slidably fitted in shifting chute 29, and fixed
Seat 30 is adapted with the second fixing groove 28, and the side of fixing seat 30 is fixedly installed with Triangulum 31, and compression bar 24 extends to movement
It is adapted in slot 29 and with Triangulum 31, due to being provided with fixing seat 20 and the second fixing groove 29, placement rack 27 can be carried out
It is fixed.
In the present embodiment, limiting slot 32 is offered in the bottom interior wall of shifting chute 29, the bottom of fixing seat 30 is fixedly mounted
There is limited block 33, and limited block 33 is slidably connected with limiting slot 32, the side of limited block 33 is fixedly installed with reset spring 34
The other end of one end, reset spring 34 is fixedly mounted on the inner wall of limiting slot 32, can be to limit due to being provided with reset spring 34
Position block 33 is resetted.
In the present embodiment, when splicing to connecting rod 1 and insulating bar 2, rotating bar 4 is caught in the second slot 7, so that positioning seat
14 are caught in corresponding locating slot 13, and placement rack 27 is caught in placing groove 26, and screw rod 9 is placed into link slot 37 at this time, so that deck
12 are caught in card slot 11, then swing handle 23, and handle 23 drives threaded rod 22 to be rotated, under the action of threaded hole 21,
So that threaded rod 22 moves while rotating, threaded rod 22 drives slide plate 20 to be moved, slide plate 20 drive the second bar 35 into
Row movement, the second bar 35 drives fixed link 18 to be moved, so that fixed link 18 is caught in corresponding first fixing groove 15, slide plate
20 drive compression bar 24 to move down downwards, so that compression bar 24 squeezes Triangulum 31, so that Triangulum 31 is moved, and three
Angled seat 31 drives fixing seat 30 to be moved, and fixing seat 30 drives limited block 33 mobile and stretches reset spring 34, so that fixed
Seat 30 is caught in the second fixing groove 28, so that placement rack 27 be fixed, realizes the splicing to connecting rod 1 and insulating bar 2,
Fixed pliers head 6 is placed on the top of nut, then rotates rotating handle 5, and rotating handle 5 drives rotating bar 4 to be rotated, and rotates
Bar 4 drives screw rod 9 to be rotated, and 9 drive activity binding clip 10 of screw rod is moved, so that the lower section phase of movable binding clip 10 and nut
Contact, to be gripped by fixed pliers head 6 and movable binding clip 10 to nut, consequently facilitating being rotated to nut.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of transformer equipment fastening tool, including insulating bar (2), which is characterized in that the bottom of the insulating bar (2), which is equipped with, to be connected
Extension bar (1), the two sides of insulating bar (2) are fixedly installed with the first attachment base (16), and the two sides of connecting rod (1) are fixedly installed with second
Attachment base (25), and the first attachment base (16) is adapted with the second attachment base (25), the side of insulating bar (2) is fixedly installed with
Determine binding clip (6), the side of insulating bar (2) is slidably fitted with movable binding clip (10), and movable binding clip (10) and fixed pliers head (6) phase
Adaptation, the side of insulating bar (2) offer the first slot (8), and movable binding clip (6) is slidably mounted in the first slot (8).
2. a kind of transformer equipment fastening tool according to claim 1, which is characterized in that the top of first slot (8)
It is rotatably equipped with one end of screw rod (9) on inner wall, is fixedly installed in the top inner wall of the first slot (8) and in bottom interior wall same
A first bar (36), and movable binding clip (10) screw thread is set on screw rod (9), movable binding clip (10) is movably set in the first bar
(36) on.
3. a kind of transformer equipment fastening tool according to claim 1, which is characterized in that opened up on the connecting rod (1)
Have the first hole (3), is rotatably equipped with rotating bar (4) in the first hole (3), the top of rotating bar (4) extends to the upper of connecting rod (1)
Side, the bottom end of rotating bar (4) extends to the lower section of connecting rod (1) and is fixedly installed with rotating handle (5).
4. a kind of transformer equipment fastening tool according to claim 1, which is characterized in that the bottom of the insulating bar (2)
It offers the second slot (7), and screw rod (9) extends in the second slot (7), rotating bar (4) is adapted with the second slot (7), rotating bar
(4) it is offered at the top of link slot (37), top is offered on the side inner wall of link slot (37) as the card slot (11) of opening, silk
Bar (9) is adapted with link slot (37), and the side of screw rod (9) is fixedly installed with deck (12), and deck (12) and card slot (11)
It is adapted.
5. a kind of transformer equipment fastening tool according to claim 1, which is characterized in that the bottom of the insulating bar (2)
There are two opening up symmetrically arranged locating slot (13), there are two symmetrically arranged positioning seats for the top fixed installation of connecting rod (1)
(14), and positioning seat (14) is adapted with corresponding locating slot (13), and the side that two positioning seats (14) are located remotely from each other opens up
Have the first fixing groove (15), the side of the first attachment base (16) offers third slot (17), is slidably fitted in third slot (17)
Fixed link (18), and fixed link (18) is mutually clamped with corresponding first fixing groove (15).
6. a kind of transformer equipment fastening tool according to claim 5, which is characterized in that the top of the third slot (17)
It offers on inner wall sliding groove (19), is slidably fitted with slide plate (20) in sliding groove (19), the bottom of slide plate (20) is hinged with the
One end of two bars (35), the other end of the second bar (35) are hinged on fixed link (18), are opened in the top inner wall of sliding groove (19)
Equipped with threaded hole (21), threaded hole (21) internal screw thread is equipped with threaded rod (22), and the bottom end of threaded rod (22) is rotatably installed in pair
On the slide plate (20) answered, the top of threaded rod (22) extends to the top of the first attachment base (16) and is fixedly installed with handle
(23), the bottom of slide plate (20) is fixedly installed with one end of compression bar (24), and the other end of compression bar (24) extends to the first attachment base
(16) lower section.
7. a kind of transformer equipment fastening tool according to claim 1, which is characterized in that second attachment base (25)
What top opened up has placing groove (26), and the bottom of the first attachment base (16) is fixedly installed with placement rack (27), and placement rack (27)
It is adapted with placing groove (26), the side that two placement racks (27) are located remotely from each other offers the second fixing groove (28), placing groove
(26) side offers shifting chute (29), is slidably fitted with fixing seat (30) in shifting chute (29), and fixing seat (30) and the
Two fixing grooves (28) are adapted, and the side of fixing seat (30) is fixedly installed with Triangulum (31), and compression bar (24) extends to movement
It is adapted in slot (29) and with Triangulum (31).
8. a kind of transformer equipment fastening tool according to claim 7, which is characterized in that the bottom of the shifting chute (29)
It is offered on inner wall limiting slot (32), the bottom of fixing seat (30) is fixedly installed with limited block (33), and limited block (33) and limit
Position slot (32) is slidably connected, and the side of limited block (33) is fixedly installed with one end of reset spring (34), reset spring (34)
The other end is fixedly mounted on the inner wall of limiting slot (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487414.4A CN110103193A (en) | 2019-06-05 | 2019-06-05 | A kind of transformer equipment fastening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487414.4A CN110103193A (en) | 2019-06-05 | 2019-06-05 | A kind of transformer equipment fastening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110103193A true CN110103193A (en) | 2019-08-09 |
Family
ID=67494044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487414.4A Pending CN110103193A (en) | 2019-06-05 | 2019-06-05 | A kind of transformer equipment fastening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110103193A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509204A (en) * | 2019-08-21 | 2019-11-29 | 大同新成新材料股份有限公司 | A kind of fixture and its method preparing ultra-thin carbon carbon composite panel |
| CN113146525A (en) * | 2021-03-19 | 2021-07-23 | 大庆油田有限责任公司 | Open slide block adjusting pipe wrench |
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| JP3502892B1 (en) * | 2002-12-20 | 2004-03-02 | 博信 黒田 | Two steel fastening structure and fastening parts used for the fastening structure |
| CN203643482U (en) * | 2013-12-31 | 2014-06-11 | 国家电网公司 | High-altitude wiring pliers |
| CN205679643U (en) * | 2016-06-07 | 2016-11-09 | 台州发电厂 | Multifunctional motor-driven action bars |
| CN107681520A (en) * | 2017-10-19 | 2018-02-09 | 国家电网公司 | Transformer fastening tool |
| CN208414440U (en) * | 2018-05-23 | 2019-01-22 | 善恩康生物科技（苏州）有限公司 | A kind of ferment fermentor attemperator |
| CN208409678U (en) * | 2018-07-03 | 2019-01-22 | 苏州丰航精密金属有限公司 | A kind of small-sized automatic inner-support mechanism |
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2019
- 2019-06-05 CN CN201910487414.4A patent/CN110103193A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3502892B1 (en) * | 2002-12-20 | 2004-03-02 | 博信 黒田 | Two steel fastening structure and fastening parts used for the fastening structure |
| CN203643482U (en) * | 2013-12-31 | 2014-06-11 | 国家电网公司 | High-altitude wiring pliers |
| CN205679643U (en) * | 2016-06-07 | 2016-11-09 | 台州发电厂 | Multifunctional motor-driven action bars |
| CN107681520A (en) * | 2017-10-19 | 2018-02-09 | 国家电网公司 | Transformer fastening tool |
| CN208414440U (en) * | 2018-05-23 | 2019-01-22 | 善恩康生物科技（苏州）有限公司 | A kind of ferment fermentor attemperator |
| CN208409678U (en) * | 2018-07-03 | 2019-01-22 | 苏州丰航精密金属有限公司 | A kind of small-sized automatic inner-support mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509204A (en) * | 2019-08-21 | 2019-11-29 | 大同新成新材料股份有限公司 | A kind of fixture and its method preparing ultra-thin carbon carbon composite panel |
| CN113146525A (en) * | 2021-03-19 | 2021-07-23 | 大庆油田有限责任公司 | Open slide block adjusting pipe wrench |
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| 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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220629 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 Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |
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| RJ01 | Rejection of invention patent application after publication |