CN110021463A - A kind of uniform pay-off equipment and its uniform unwrapping wire tensioning apparatus - Google Patents
A kind of uniform pay-off equipment and its uniform unwrapping wire tensioning apparatus Download PDFInfo
- Publication number
- CN110021463A CN110021463A CN201910416787.2A CN201910416787A CN110021463A CN 110021463 A CN110021463 A CN 110021463A CN 201910416787 A CN201910416787 A CN 201910416787A CN 110021463 A CN110021463 A CN 110021463A
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- China
- Prior art keywords
- axle sleeve
- uniform
- shell
- unwrapping wire
- tensioning apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0003—Apparatus or processes specially adapted for manufacturing conductors or cables for feeding conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention proposes a kind of uniform pay-off equipment and its uniform unwrapping wire tensioning apparatus, including bracket, rolling assembling is in the shaft of bracket, the drum being set in shaft, uniform unwrapping wire tensioning apparatus, the uniform unwrapping wire tensioning apparatus includes the shell for connecting bracket, the shell is tubular, torsional spring is arranged in the shell, be arranged in the torsional spring for be nested in roller end with using with the frictional force between roller end and follow roller end rotate axle sleeve, the one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot is fixedly connected with axle sleeve, to solve drum because the line of the coil of wire is returned the technical problem of pine thereon after inertia rotation.
Description
Technical field
The present invention relates to a kind of uniform pay-off equipment and its uniform unwrapping wire tensioning apparatus.
Background technique
Actinobacillus device is that one kind is mating with stranding machine, plays the role of the wire and cable ancillary equipment of unwrapping wire cable.It is filled in unwrapping wire
When setting progress line laying work, because actinobacillus device is usually made of pay off rack and roll, paying out reel is drawn by the coiling of paying out machine
Power drives, the no tensile force of the rotation of paying out reel, and when coiling need of work stops, paying out reel also will continue under effect of inertia
Rotation, it is existing the line Hui Song on the coil of wire, to cause that the wire tension of coiling on coil winding machine is uneven, intersecting occurs in conducting wire in this way etc.
As, and the rotation of paying out reel needs coiling work to provide pulling force to promote the smooth unwrapping wire of pay off rack, thus without tensile force
Just increase the working strength of coiling work.
Entitled " a kind of transformer coil pay off rack " is disclosed in the prior art, application publication number is CN 109378208
A, application publication number be 2019.02.22 patent of invention, the pay off rack include bracket, shaft,
Tensioning apparatus and drum, the side of the bracket are equipped with card slot, and the card slot front and rear sides are equipped with baffle, the shaft
It is set on the card slot by axle sleeve rotation, bearing is equipped with above the other side of the bracket, one end of the bearing is equipped with band
The end of Limit screw is enclosed, and shaft one end corresponding with end circle is equipped with convex block
, set on the convex block there are four groove, the Limit screw and groove cooperation enclose the shaft and the end can
Disassembly is fixedly connected, and the other end of the bearing is equipped with disk, and the tensioning apparatus includes the skin on the outside of the disk
Band, the outside of the belt are equipped with steel band, and one end of the steel band is detachable by bolt and the nut on the bracket
Connection, the other end of the steel band are connected with screw rod, and the screw rod is equipped with adjusting nut, is equipped with spring on the outside of the screw rod,
The decrement of the spring is adjusted by the screw rod and the adjusting nut.But its tensioning apparatus passes through belt and disk
It rubs to regulate and control the revolving speed of shaft, after stopping unwrapping wire, although drum comparatively fast stops because of the friction of belt and disk,
Still a period of time can be continued to rotate because of inertia can just stop, and cause the line of the coil of wire on drum by Hui Song.
Summary of the invention
The present invention proposes a kind of uniform pay-off equipment and its uniform unwrapping wire tensioning apparatus, after solving drum because of inertia rotation
The line of the coil of wire is returned the technical problem of pine thereon.
The technical scheme of the present invention is realized as follows: a kind of uniform unwrapping wire tensioning apparatus, including it is used for and outside support
The shell being fixedly connected, the shell are tubular, are arranged with torsional spring in the shell, are arranged in the torsional spring for being nested in
External hinge end with using with the frictional force between external hinge end and follow external hinge end rotate axle sleeve, it is described
One end of torsional spring spring foot is fixedly connected with the casing, other end spring foot is fixedly connected with axle sleeve.
Further, the axle sleeve is radially connect, for pressing external hinge with sleeve thread at least provided with one
The press bolt of end.
Further, the press bolt is equipped with briquetting close to axle sleeve center line one end.
Further, the briquetting is elastomeric material, and the briquetting is used to press the face of external hinge end as song
Face.
Further, the shell end is equipped with ring flange, and the ring flange is equipped with for being fixedly connected with outside support
Connecting column, the connecting column is axially arranged with through-hole, is equipped in the through-hole for being screwed connection with outside support
Bolt.
A kind of uniform pay-off equipment, including bracket, rolling assembling in bracket shaft, be set in shaft drum,
Even unwrapping wire tensioning apparatus, the uniform unwrapping wire tensioning apparatus include the shell for connecting bracket, and the shell is tubular, described
It is arranged with torsional spring in shell, is arranged in the torsional spring for being nested in roller end to utilize and the friction between roller end
Power and the axle sleeve for following roller end to rotate, the one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot and axle sleeve are consolidated
Fixed connection.
Further, the axle sleeve is radially connect, for pressing external hinge with sleeve thread at least provided with one
The press bolt of end.
Further, the press bolt is equipped with briquetting close to axle sleeve center line one end.
Further, the briquetting is elastomeric material, and the briquetting is used to press the face of external hinge end as song
Face.
Further, the shell end is equipped with ring flange, and the ring flange is equipped with for being fixedly connected with outside support
Connecting column, the connecting column is axially arranged with through-hole, is equipped in the through-hole for being screwed connection with outside support
Bolt.
Using above-mentioned technical proposal, the invention has the benefit that the shaft of uniform pay-off equipment of the invention starts
When rotation, shaft drives axle sleeve rotation by its frictional force between axle sleeve, so that torsional spring is twisted after axle sleeve rotation to store
Power, after the torque of shaft rotation is greater than its frictional force between axle sleeve, shaft is continued to rotate and axle sleeve stops operating, at this time
Torsional spring keeps energy storage state；After stopping unwrapping wire, drum continues to rotate a period of time under effect of inertia, after drum is static,
Line on drum rotates due to Hui Song under effect of inertia because of drum, and torsional spring is changed into release force state by energy storage state at this time, turns round
Spring drives axle sleeve to rotate backward, and axle sleeve drives shaft to rotate backward, and shaft drives drum to rotate backward, so that drum last time pine
Line is tightened up, and solves drum because the line of the coil of wire is returned the technical problem of pine thereon after inertia rotation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the uniform unwrapping wire tensioning apparatus of the present invention；
Fig. 2 is the explosive view of the uniform unwrapping wire tensioning apparatus of the present invention；
Fig. 3 is the sectional view of the uniform unwrapping wire tensioning apparatus of the present invention；
Fig. 4 is the front view of axle sleeve of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
A kind of uniform unwrapping wire tensioning apparatus embodiment 1, as shown in Figs 1-4, including for being fixedly connected with outside support
Shell 1, shell are tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in external hinge end with using with
Frictional force between external hinge end and the axle sleeve 3 for following external hinge end to rotate, i.e. axle sleeve are being sheathed on external hinge
Behind end, there is frictional force between axle sleeve and external hinge end, one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot
It is fixedly connected with axle sleeve.When external hinge starts turning, external hinge drives axle sleeve by its frictional force between axle sleeve
Rotation makes torsional spring twist to store power, when the torque of external hinge rotation is greater than its rubbing between axle sleeve after axle sleeve rotation
After wiping power, external hinge is continued to rotate and axle sleeve stops operating, and torsional spring keeps energy storage state at this time, when external hinge stops operating
Afterwards, torsional spring is changed into release force state by energy storage state, and torsional spring drives axle sleeve to rotate backward, and axle sleeve drives external hinge reversely to turn
It is dynamic, so that external hinge can rotate backward after stalling.
A kind of uniform unwrapping wire tensioning apparatus embodiment 2, as shown in Figs 1-4, including for being fixedly connected with outside support
Shell 1, shell are tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in external hinge end with using with
Frictional force between external hinge end and the axle sleeve 3 for following external hinge end to rotate, i.e. axle sleeve are being sheathed on external hinge
Behind end, there is frictional force between axle sleeve and external hinge end, one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot
It is fixedly connected with axle sleeve, axle sleeve is radially connect, for pressing external hinge end with sleeve thread at least provided with one
Press bolt 4.By the adjustable press bolt of rotation press bolt to the pressure of external roller end, and then adjust press bolt
To the frictional force of external roller end, i.e., the frictional force between axle sleeve and external hinge end is had adjusted by pressing bolt, with
The storage range degree of torsional spring is adjusted, and then adjusts the reverse coil number of external hinge.
A kind of uniform unwrapping wire tensioning apparatus embodiment 3, as shown in Figs 1-4, including for being fixedly connected with outside support
Shell 1, shell are tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in external hinge end with using with
Frictional force between external hinge end and the axle sleeve 3 for following external hinge end to rotate, i.e. axle sleeve are being sheathed on external hinge
Behind end, there is frictional force between axle sleeve and external hinge end, one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot
It is fixedly connected with axle sleeve, axle sleeve is radially connect, for pressing external hinge end with sleeve thread at least provided with one
Bolt 4 is pressed, press bolt is equipped with briquetting 5 close to axle sleeve center line one end, and briquetting is used to press the surface of external hinge end
For curved surface.Because the face that briquetting 5 is used to press external hinge end is curved surface, therefore briquetting 5 can be with external hinge end surface
It is preferably bonded, therefore the precision of adjusting axle sleeve and external hinge End Friction can be improved by the way that briquetting 5 is arranged.
A kind of uniform unwrapping wire tensioning apparatus embodiment 4, as shown in Figs 1-4, including for being fixedly connected with outside support
Shell 1, shell are tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in external hinge end with using with
Frictional force between external hinge end and the axle sleeve 3 for following external hinge end to rotate, i.e. axle sleeve are being sheathed on external hinge
Behind end, there is frictional force between axle sleeve and external hinge end, one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot
It is fixedly connected with axle sleeve, axle sleeve is radially connect, for pressing external hinge end with sleeve thread at least provided with one
Bolt 4 is pressed, press bolt is equipped with briquetting 5 close to axle sleeve center line one end, and briquetting is used to press the surface of external hinge end
For curved surface, shell end is equipped with ring flange 6, and ring flange is equipped with the connecting column 7 for being fixedly connected with outside support, connects axis of a cylinder
To through-hole 8 is equipped with, the bolt for the connection that is screwed with outside support is equipped in through-hole.
A kind of uniform pay-off equipment embodiment 1, as shown in Figs 1-4, including bracket, rolling assembling in bracket shaft, set
Drum, the uniform unwrapping wire tensioning apparatus being placed in shaft, the uniform unwrapping wire tensioning apparatus includes for being fixedly connected with bracket
Shell 1, shell is tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in roller end with using and turn
Frictional force between the portion of shaft end and the axle sleeve 3 for following roller end to rotate, i.e. axle sleeve after being sheathed on roller end, axle sleeve with turn
There is frictional force, one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot is fixedly connected with axle sleeve between the portion of shaft end.When turn
When axis starts turning, shaft drives axle sleeve rotation by its frictional force between axle sleeve, turns round torsional spring after axle sleeve rotation
Turn to store power, after the torque of shaft rotation is greater than its frictional force between axle sleeve, shaft is continued to rotate and axle sleeve stops turning
Dynamic, torsional spring keeps energy storage state at this time；After stopping unwrapping wire, drum continues to rotate a period of time under effect of inertia, works as drum
After static, line on drum rotates due to Hui Song under effect of inertia because of drum, and torsional spring is changed into release force by energy storage state at this time
State, torsional spring drive axle sleeve to rotate backward, and axle sleeve drives shaft to rotate backward, and shaft drives drum to rotate backward, so that drum
The last time line of pine is tightened up.
A kind of uniform pay-off equipment embodiment 2, as shown in Figs 1-4, including bracket, rolling assembling in bracket shaft, set
Drum, the uniform unwrapping wire tensioning apparatus being placed in shaft, the uniform unwrapping wire tensioning apparatus includes for being fixedly connected with bracket
Shell 1, shell is tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in roller end with using and turn
Frictional force between the portion of shaft end and the axle sleeve 3 for following roller end to rotate, i.e. axle sleeve after being sheathed on roller end, axle sleeve with turn
There is frictional force, one end of torsional spring spring foot is fixedly connected with the casing, other end spring foot is fixedly connected with axle sleeve, axle sleeve between the portion of shaft end
It is radially connect at least provided with one with sleeve thread, the press bolt 4 for pressing external hinge end.It is pushed up by rotation
It presses the adjustable press bolt of bolt to the pressure of external roller end, and then adjusts friction of the press bolt to external roller end
Power has adjusted the frictional force between axle sleeve and external hinge end by pressing bolt, to adjust the storage range degree of torsional spring, into
And adjust the reverse coil number of external hinge.
A kind of uniform pay-off equipment embodiment 3, as shown in Figs 1-4, including bracket, rolling assembling in bracket shaft, set
Drum, the uniform unwrapping wire tensioning apparatus being placed in shaft, the uniform unwrapping wire tensioning apparatus include for fixing with outside support
The shell 1 of connection, shell are tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in external hinge end with
The axle sleeve 3 for following external hinge end to rotate using the frictional force between external hinge end, i.e. axle sleeve are outside being sheathed on
After portion's roller end, there is frictional force between axle sleeve and external hinge end, one end of torsional spring spring foot is fixedly connected with the casing, is another
End spring foot is fixedly connected with axle sleeve, and axle sleeve is radially connect, for pressing external hinge with sleeve thread at least provided with one
The press bolt 4 of end, press bolt are equipped with briquetting 5 close to axle sleeve center line one end, and briquetting is for pressing external hinge end
Surface be curved surface.Because the face that briquetting 5 is used to press external hinge end is curved surface, therefore briquetting 5 can be with external hinge end
Portion surface is preferably bonded, therefore the precision of adjusting axle sleeve and external hinge End Friction can be improved by the way that briquetting 5 is arranged.
A kind of uniform pay-off equipment embodiment 4, as shown in Figs 1-4, including bracket, rolling assembling in bracket shaft, set
Drum, the uniform unwrapping wire tensioning apparatus being placed in shaft, the uniform unwrapping wire tensioning apparatus include for fixing with outside support
The shell 1 of connection, shell are tubular, and torsional spring 2 is arranged in shell, be arranged in torsional spring for be nested in external hinge end with
The axle sleeve 3 for following external hinge end to rotate using the frictional force between external hinge end, i.e. axle sleeve are outside being sheathed on
After portion's roller end, there is frictional force between axle sleeve and external hinge end, one end of torsional spring spring foot is fixedly connected with the casing, is another
End spring foot is fixedly connected with axle sleeve, and axle sleeve is radially connect, for pressing external hinge with sleeve thread at least provided with one
The press bolt 4 of end, press bolt are equipped with briquetting 5 close to axle sleeve center line one end, and briquetting is for pressing external hinge end
Surface be curved surface, shell end is equipped with ring flange 6, and ring flange is equipped with connecting column 7 for being fixedly connected with outside support, even
It connects column and is axially arranged with through-hole 8, the bolt for the connection that is screwed with outside support is equipped in through-hole.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of uniform unwrapping wire tensioning apparatus, which is characterized in that including the shell for being fixedly connected with outside support, the shell
Body is tubular, and torsional spring is arranged in the shell, be arranged in the torsional spring for be nested in external hinge end with using with
Frictional force between external hinge end and the axle sleeve for following external hinge end to rotate, the one end of torsional spring spring foot and shell are solid
Fixed connection, other end spring foot are fixedly connected with axle sleeve.
2. uniform unwrapping wire tensioning apparatus according to claim 1, which is characterized in that the axle sleeve radially at least provided with
One connect with sleeve thread, the press bolt for pressing external hinge end.
3. uniform unwrapping wire tensioning apparatus according to claim 2, which is characterized in that the press bolt is close to axle sleeve center
Line one end is equipped with briquetting.
4. uniform unwrapping wire tensioning apparatus according to claim 3, which is characterized in that the briquetting is elastomeric material,
The face that the briquetting is used to press external hinge end is curved surface.
5. uniform unwrapping wire tensioning apparatus according to claim 4, which is characterized in that the shell end is equipped with ring flange,
The ring flange is equipped with the connecting column for being fixedly connected with outside support, and the connecting column is axially arranged with through-hole, the through-hole
Inside it is equipped with the bolt for the connection that is screwed with outside support.
Shaft, the drum, uniformly that is set in shaft 6. a kind of uniform pay-off equipment, including bracket, rolling assembling in bracket
Unwrapping wire tensioning apparatus, which is characterized in that the uniform unwrapping wire tensioning apparatus includes the shell for connecting bracket, and the shell is
Tubular is arranged with torsional spring in the shell, is arranged in the torsional spring for being nested in roller end to utilize and roller end
Between frictional force and the axle sleeve that follows roller end to rotate, the one end of torsional spring spring foot is fixedly connected with the casing, other end spring
Foot is fixedly connected with axle sleeve.
7. uniform pay-off equipment according to claim 6, which is characterized in that the axle sleeve is radially at least provided with one
It is connect with sleeve thread, the press bolt for pressing external hinge end.
8. uniform pay-off equipment according to claim 7, which is characterized in that the press bolt is close to axle sleeve center line one
End is equipped with briquetting.
9. uniform pay-off equipment according to claim 8, which is characterized in that the briquetting is elastomeric material, described
The face that briquetting is used to press external hinge end is curved surface.
10. uniform pay-off equipment according to claim 9, which is characterized in that the shell end is equipped with ring flange, described
Ring flange is equipped with the connecting column for being fixedly connected with outside support, and the connecting column is axially arranged with through-hole, wears in the through-hole
Equipped with the bolt for the connection that is screwed with outside support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910416787.2A CN110021463B (en) | 2019-05-20 | 2019-05-20 | Uniform pay-off equipment and uniform pay-off tensioning device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910416787.2A CN110021463B (en) | 2019-05-20 | 2019-05-20 | Uniform pay-off equipment and uniform pay-off tensioning device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110021463A true CN110021463A (en) | 2019-07-16 |
| CN110021463B CN110021463B (en) | 2020-09-01 |
Family
ID=67194004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910416787.2A Active CN110021463B (en) | 2019-05-20 | 2019-05-20 | Uniform pay-off equipment and uniform pay-off tensioning device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110021463B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320039A (en) * | 2019-11-29 | 2020-06-23 | 国网河南省电力公司汝阳县供电公司 | Self-tightening paying-off device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318630A (en) * | 1992-12-14 | 1994-06-07 | Southwire Company | System for insulating wire including a wire tensioning device |
| CN103578654A (en) * | 2013-10-21 | 2014-02-12 | 安徽长江精工电工机械制造有限公司 | Tension control device of stranding machine |
| CN206345504U (en) * | 2016-12-30 | 2017-07-21 | 厦门攸信信息技术有限公司 | A kind of mechanical strainer |
| CN109378208A (en) * | 2018-12-20 | 2019-02-22 | 宜昌昌耀变压器有限公司 | A transformer coil pay-off frame |
-
2019
- 2019-05-20 CN CN201910416787.2A patent/CN110021463B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318630A (en) * | 1992-12-14 | 1994-06-07 | Southwire Company | System for insulating wire including a wire tensioning device |
| CN103578654A (en) * | 2013-10-21 | 2014-02-12 | 安徽长江精工电工机械制造有限公司 | Tension control device of stranding machine |
| CN206345504U (en) * | 2016-12-30 | 2017-07-21 | 厦门攸信信息技术有限公司 | A kind of mechanical strainer |
| CN109378208A (en) * | 2018-12-20 | 2019-02-22 | 宜昌昌耀变压器有限公司 | A transformer coil pay-off frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320039A (en) * | 2019-11-29 | 2020-06-23 | 国网河南省电力公司汝阳县供电公司 | Self-tightening paying-off device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110021463B (en) | 2020-09-01 |
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Effective date of registration: 20200810 Address after: No.11, District 6, Nanshan village, Luoyang street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: Taizhou Fuya Electric Machinery Co.,Ltd. Address before: 450099 No. 11 East Street, Court of Guancheng District, Zhengzhou City, Henan Province Applicant before: Si Huijuan |
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Effective date of registration: 20221216 Address after: No. 19, North Park Road, Fengjiang Street, Luqiao District, Taizhou, Zhejiang 318,054 Patentee after: Taizhou Xintong Electrical Equipment Co.,Ltd. Address before: 318050 No.11, area 6, Nanshan village, Luoyang street, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Taizhou Fuya Electric Machinery Co.,Ltd. |
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