CN212558796U - Electric wire traction equipment wire arrangement structure for water conservancy and hydropower construction - Google Patents
Electric wire traction equipment wire arrangement structure for water conservancy and hydropower construction Download PDFInfo
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- CN212558796U CN212558796U CN202020400155.5U CN202020400155U CN212558796U CN 212558796 U CN212558796 U CN 212558796U CN 202020400155 U CN202020400155 U CN 202020400155U CN 212558796 U CN212558796 U CN 212558796U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000017105 transposition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 5
- 230000000739 chaotic effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 6
- 244000309464 bull Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 241000606750 Actinobacillus Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a water conservancy is electric wire pulling equipment reason line structure for water and electricity construction, concretely relates to water conservancy water and electricity construction field, including removing the base, remove the top surface of base and install left stand, right stand, the lift guide way has been seted up in the outside of left stand, right stand, and the inboard slidable mounting of lift guide way has the slip guide piece, and the internally mounted of left stand, right stand has hydraulic pressure lifting mechanism, bearing frame, and the supporting ejector pin has been cup jointed to the inboard of bearing frame, and dead lever, resistance drive mechanism are installed to one side of left stand. The utility model discloses a set up resistance drive mechanism, utilize the resistance drive mechanism that two slip wheel structures are constituteed, realize the trailing resistance of unwrapping wire through the interval of adjusting its inside pulley and adjust for the speed of unwrapping wire is controllable, reaches stable reason line effect, prevents that electric wire traction equipment from pulling the in-process because the electric wire winding chaotic phenomenon appears at the excessive speed or too slowly, guarantees the steady operation that the electric wire pulled the construction.
Description
Technical Field
The utility model relates to a water conservancy water and electricity construction technical field, more specifically says, the utility model specifically is a wire pulling equipment reason line structure for water conservancy water and electricity construction.
Background
The electric wire traction equipment is mainly used in the construction processes of water conservancy, hydropower and the like, and the traction work of the electric wire is completed through the transportation of the electric wire.
When the wire traction equipment is designed, the wire traction equipment is mainly matched with a spring machine for processing a spring lead, and a frequency converter technology is combined with a computer system driving technology of the spring machine, so that a synchronous and asynchronous control mode between the frequency converter technology and the spring machine can be realized, and the construction speed of water and hydropower construction is facilitated. Along with the improvement of the requirement of foundation setting construction standard, the automatic electric wire traction equipment matched with water conservancy and hydropower construction is also continuously perfected in function.
Generally for making the lead wire smoothly to violently put the line roller like traditional electric wire pulling equipment, place the pay off rack with the line roller on, because the huge unable transport of line roller weight when facing the line roller needs fork truck to assist, still the installation is troublesome, also can appear easily when using that the electric wire winding process is comparatively chaotic to and the easy condition of disorderly in the position of the in-process electric wire that pulls the electric wire appears easily.
Therefore, the wire arrangement structure of the electric wire traction equipment for water conservancy and hydropower construction is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the embodiment of the utility model provides a wire arrangement structure of wire traction equipment for water conservancy and hydropower construction, through setting up a resistance traction mechanism, utilize the resistance traction mechanism that two sliding wheel structures constitute, realize the resistance adjustment to the unwrapping wire traction through adjusting the interval of its inside pulley, make the speed of unwrapping wire controllable, reach stable wire arrangement effect, prevent the electric wire traction equipment because the speed is too fast or the electric wire winding confusion phenomenon appears too slowly in the traction process, guarantee the stable operation of electric wire traction construction; additionally, the utility model discloses an adopt the vertical structure of placing of line roller, need not other lifting device's assistance in the outer construction of protecting of water conservancy water and electricity, can realize quick installation, only need when installation unwrapping wire roller through artifical roll unwrapping wire roller to the base on utilize supporting ejector pin jack-up can, accessible hydraulic pressure lifting mechanism carries out the automatic rising, labour saving and time saving, whole process operation is simple, is applicable to the outdoor operations of water conservancy water and electricity construction to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water conservancy is wire pulling equipment reason line structure for water and electricity construction, is including removing the base, one side fixed mounting who removes the base top surface has left stand, the opposite side slidable mounting who removes the base top surface has right stand, the lift guide way has been seted up in the outside of left side stand, right stand, the inboard slidable mounting of lift guide way has the slip guide block, the inside fixed mounting of left side stand, right stand has hydraulic lifting mechanism, the fixed welding of output of hydraulic lifting mechanism has the bearing frame, the inboard of bearing frame is rotated and has been cup jointed the supporting ejector pin, the side of bearing frame and the fixed welding in one side of slip guide block, the inboard fixed joint of supporting ejector pin has the actinobacillus roller, the fixed welding in one side of left side stand has the dead lever, the resistance drive mechanism has been cup jointed in the one end slip of dead.
In a preferred embodiment, a lifting universal wheel is rotatably mounted on the bottom surface of the movable base, the lifting universal wheel is composed of a screw rod and a universal wheel, the screw rod of the lifting universal wheel vertically penetrates through the top surface of the movable base to be rotatably connected with the top surface of the universal wheel, and a feeding slope is connected to one side of the movable base in a twisted manner.
In a preferred embodiment, left stand, right stand are the symmetrical arrangement, left side stand, right stand inner structure are the same, the inboard supporting ejector pin of left stand, right stand is located same vertical plane, hydraulic lifting mechanism's input electric connection has the controller, the controller is PLC controller or single chip microcomputer structure.
In a preferred embodiment, the bottom surface of the right upright post is fixedly welded with a clamping installation sliding block, the top surface of the moving base is provided with a clamping sliding groove, the bottom surface of the clamping installation sliding block is connected with the inner wall of the clamping sliding groove in a sliding manner, one side of the moving base is provided with a threaded hole, a clamping adjusting screw rod is arranged in the threaded hole, and the clamping adjusting screw rod penetrates through the inner side of the clamping sliding groove and is connected with one side of the clamping installation sliding block in a rotating manner.
In a preferred embodiment, the resistance traction mechanism comprises a transverse extension rod, two adjusting chucks and two adjustable pulleys, wherein a rubber sleeve is arranged on the surface of each adjustable pulley, the adjustable pulleys are located between the two adjusting chucks, and one side of each adjusting chuck is rotatably connected with the transverse extension rod.
In a preferred embodiment, the surface of the adjusting chuck is provided with sliding grooves, the sliding grooves are distributed in an origin symmetry manner, the rotating shaft of the adjustable pulley penetrates through the sliding grooves and is sleeved with a matched hand-screwing adjusting nut, and one side of the hand-screwing adjusting nut is abutted to the side surface of the adjusting chuck.
In a preferred embodiment, the supporting ejector rod is composed of a rotating rod and a rubber tip cone, one side of the rotating rod is rotatably connected with the bearing seat, the rubber tip cone is in a conical structure, and the rubber tip cone is movably sleeved with one end of the rotating rod.
The utility model discloses a technological effect and advantage:
1. the utility model realizes resistance adjustment of paying-off traction by arranging the resistance traction mechanism and utilizing the resistance traction mechanism consisting of two sliding wheel structures and adjusting the distance between the internal pulleys of the resistance traction mechanism, so that the paying-off speed is controllable, a stable wire arranging effect is achieved, the phenomenon of wire winding confusion caused by over-high speed or over-low speed in the traction process of the wire traction equipment is prevented, and the stable operation of wire traction construction is ensured;
2. the utility model discloses an adopt the vertical structure of placing of line roller, need not other lifting device's assistance in the outer construction of protecting of water conservancy water and electricity, can realize quick installation, only need when installation unwrapping wire roller through artifical roll unwrapping wire roller to the base on utilize supporting ejector pin jack-up can, accessible hydraulic pressure lifting mechanism carries out the automatic rising, labour saving and time saving, whole process operation is simple, is applicable to the outdoor operations of water conservancy water and electricity construction.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the internal structure of the upright post of the present invention.
Fig. 4 is a schematic structural view of the resistance traction mechanism of the present invention.
Fig. 5 is a schematic side view of the resistance traction mechanism of the present invention.
The reference signs are: 1. moving the base; 2. a left upright post; 3. a lifting guide groove; 4. a sliding guide block; 5. fixing the rod; 6. a resistance traction mechanism; 7. a pay-off roller; 8. a right upright post; 9. clamping and mounting a sliding block; 10. clamping the chute; 11. lifting universal wheels; 12. a feeding slope; 13. a hydraulic lifting mechanism; 14. A bearing seat; 15. a supporting ejector rod; 16. clamping the adjusting screw; 61. a transversely extending rod; 62. adjusting the chuck; 63. an adjustable pulley; 64. the adjusting nut is screwed by hand.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The wire arranging structure of the wire traction equipment for water conservancy and hydropower construction shown in the attached drawings 1-5 comprises a movable base 1, wherein one side of the top surface of the movable base 1 is fixedly provided with a left upright post 2, the other side of the top surface of the movable base 1 is slidably provided with a right upright post 8, the outer sides of the left upright post 2 and the right upright post 8 are provided with a lifting guide groove 3, the inner side of the lifting guide groove 3 is slidably provided with a sliding guide block 4 and the left upright post 2, the inside fixed mounting of right stand 8 has hydraulic pressure lifting mechanism 13, and the fixed welding of the output of hydraulic pressure lifting mechanism 13 has bearing frame 14, and the inboard of bearing frame 14 is rotated and has been cup jointed supporting ejector pin 15, and the side of bearing frame 14 and the fixed welding of one side of sliding guide 4, the inboard fixed joint of supporting ejector pin 15 has unwrapping wire roller 7, and the fixed welding of one side of left stand 2 has dead lever 5, and the one end slip of dead lever 5 has cup jointed resistance drive mechanism 6.
The implementation mode is specifically as follows: by arranging the resistance traction mechanism 6, the resistance traction mechanism 6 consisting of two sliding wheel structures is utilized, and the resistance adjustment of paying-off traction is realized by adjusting the distance between the pulleys inside the resistance traction mechanism 6, so that the paying-off speed is controllable, a stable wire arranging effect is achieved, the phenomenon of wire winding disorder caused by over-high speed or over-low speed in the traction process of the wire traction equipment is prevented, and the stable operation of wire traction construction is ensured; additionally, the utility model discloses an adopt the vertical structure of placing of line roller, need not other lifting device's assistance in the outer construction of protecting of water conservancy water and electricity, can realize quick installation, only need when installation unwrapping wire roller 7 through artifical roll unwrapping wire roller 7 to utilize supporting ejector pin 15 jack-up on the base can, accessible hydraulic pressure lifting mechanism 13 carries out the automatic rising, labour saving and time saving, whole process easy operation is applicable to the outdoor operations of water conservancy water and electricity construction.
Wherein, the bottom surface of removing base 1 rotates installs lift universal wheel 11, and lift universal wheel 11 comprises screw rod and universal wheel, and the vertical top surface that runs through to remove base 1 of the screw rod of lift universal wheel 11 rotates with the top surface of universal wheel to be connected, and one side transposition of removing base 1 is connected with material loading slope 12, conveniently goes up unloading and is convenient for remove, promotes the practicality.
Wherein, left stand 2, right stand 8 are symmetrical arrangement, and left stand 2, 8 inner structure of right stand are the same, and the inboard supporting ejector pin 15 of left stand 2, 8 of right stand is located same vertical plane, and hydraulic lifting mechanism 13's input electric connection has the controller, and the controller is PLC controller or single chip microcomputer structure, realizes automatic control lift, labour saving and time saving.
Wherein, the fixed welding in bottom surface of right stand 8 has the tight installation slider 9 of clamp, and the tight spout 10 of clamp has been seted up to the top surface of removal base 1, and the bottom surface of the tight installation slider 9 of clamp and the inner wall sliding connection who presss from both sides tight spout 10, one side of removing base 1 is equipped with the screw hole, and threaded hole is equipped with and presss from both sides tight adjusting screw 16, presss from both sides tight adjusting screw 16 and runs through to the inboard that presss from both sides tight spout 10 and rotates with one side of pressing from both sides tight installation slider 9 to be connected for adjust.
Wherein, resistance drive mechanism 6 includes horizontal extension rod 61, regulation chuck 62, adjustable pulley 63, and the quantity of adjustable pulley 63 is two, and the surface of adjustable pulley 63 is equipped with the rubber sleeve, and adjustable pulley 63 is located between two regulation chucks 62, adjusts one side and the rotation of horizontal extension rod 61 of chuck 62 and is connected for the speed of unwrapping wire is controllable, reaches stable reason line effect.
Wherein, the spout has been seted up on the surface of adjusting chuck 62, and the spout is original point symmetrical formula and distributes, and the pivot of adjustable pulley 63 runs through the spout and cup joints the hand of looks adaptation and twists adjusting nut 64, and the mutual butt in one side of the hand of twisting adjusting nut 64 and the side of adjusting chuck 62 realizes adjusting the towed resistance of unwrapping wire.
Wherein, supporting ejector pin 15 comprises bull stick and rubber tip cone, and one side and the bearing frame 14 of bull stick rotate to be connected, and the rubber tip cone is conical structure, and the one end activity of rubber tip cone and bull stick is cup jointed for fixed centre gripping unwrapping wire roller 7, the various different unwrapping wire rollers of rubber tip cone adaptation of different specifications are changed to the accessible.
The utility model discloses the theory of operation:
firstly, adjusting a clamping adjusting screw 16 to enlarge the distance between a left upright post 2 and a right upright post 8 and a supporting ejector rod 15, enabling a pay-off roller 7 to roll and move between the left upright post 2 and the right upright post 8 through a feeding slope 12, adjusting the height of the supporting ejector rod 15 to enable the supporting ejector rod 15 to align with a through hole in the circle center of the pay-off roller 7, adjusting the clamping adjusting screw 16 to enable the pay-off roller 7 to be clamped between the left upright post 2 and the right upright post 8, starting a hydraulic lifting mechanism 13 to lift the pay-off roller 7, namely, without the assistance of other hoisting equipment, the device is suitable for the outdoor operation environment of water conservancy and hydropower construction, when the pay-off traction is carried out, a transverse extension rod 61 can slide left and right along with the pay-off, the resistance adjustment of the pay-off traction is realized by adjusting the distance of an adjustable pulley 63, the pay-off speed is controllable, a stable wire arranging effect is achieved, and, and the stable operation of wire traction construction is ensured.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a water conservancy is wire arrangement structure of electric wire pulling equipment for water and electricity construction, is including removing base (1), its characterized in that: the lifting guide device is characterized in that a left stand column (2) is fixedly mounted on one side of the top surface of the movable base (1), a right stand column (8) is slidably mounted on the other side of the top surface of the movable base (1), a lifting guide groove (3) is formed in the outer sides of the left stand column (2) and the right stand column (8), a sliding guide block (4) is slidably mounted on the inner side of the lifting guide groove (3), a hydraulic lifting mechanism (13) is fixedly mounted inside the left stand column (2) and the right stand column (8), a bearing seat (14) is fixedly welded at the output end of the hydraulic lifting mechanism (13), a supporting ejector rod (15) is rotatably sleeved on the inner side of the bearing seat (14), the side surface of the bearing seat (14) is fixedly welded with one side of the sliding guide block (4), a pay-off roller (7) is fixedly clamped on the inner side of the supporting ejector rod (, one end of the fixed rod (5) is slidably sleeved with a resistance traction mechanism (6).
2. The electric wire traction equipment wire arranging structure for water conservancy and hydropower construction according to claim 1, which is characterized in that: the bottom surface of removing base (1) rotates installs lift universal wheel (11), lift universal wheel (11) comprise screw rod and universal wheel, the vertical top surface that runs through removing base (1) of screw rod of lift universal wheel (11) rotates with the top surface of universal wheel to be connected, the one side transposition of removing base (1) is connected with material loading slope (12).
3. The electric wire traction equipment wire arranging structure for water conservancy and hydropower construction according to claim 1, which is characterized in that: left side stand (2), right stand (8) are the symmetrical arrangement, left side stand (2), right stand (8) inner structure are the same, left side stand (2), the inboard supporting ejector pin (15) of right stand (8) are located same vertical plane, the input electric connection of hydraulic pressure lifting mechanism (13) has the controller, the controller is PLC controller or single chip structure.
4. The electric wire traction equipment wire arranging structure for water conservancy and hydropower construction according to claim 1, which is characterized in that: the fixed welding in bottom surface of right side stand (8) has tight installation slider (9) of clamp, tight spout (10) of clamp have been seted up to the top surface of removal base (1), the bottom surface that presss from both sides tight installation slider (9) and the inner wall sliding connection who presss from both sides tight spout (10), one side of removing base (1) is equipped with the screw hole, threaded hole is equipped with and presss from both sides tight adjusting screw (16), press from both sides tight adjusting screw (16) and run through to the inboard that presss from both sides tight spout (10) and rotate with one side that presss from both sides tight installation slider (9) and be connected.
5. The electric wire traction equipment wire arranging structure for water conservancy and hydropower construction according to claim 1, which is characterized in that: resistance drive mechanism (6) are including horizontal extension rod (61), regulation (chuck) (62), adjustable pulley (63), the quantity of adjustable pulley (63) is two, the surface of adjustable pulley (63) is equipped with the rubber sleeve, adjustable pulley (63) are located two and adjust between (chuck) (62), one side and the rotation of horizontal extension rod (61) of adjusting (chuck) (62) are connected.
6. The electric wire traction equipment wire arranging structure for water conservancy and hydropower construction according to claim 5, which is characterized in that: the spout has been seted up on the surface of adjusting (chuck) 62, the spout is the distribution of initial point symmetry formula, the pivot of adjustable pulley (63) runs through the spout has cup jointed the hand of looks adaptation and has twisted adjusting nut (64), the mutual butt in one side of hand twisting adjusting nut (64) and the side of adjusting (chuck) 62.
7. The electric wire traction equipment wire arranging structure for water conservancy and hydropower construction according to claim 1, which is characterized in that: the supporting ejector rod (15) is composed of a rotating rod and a rubber tip cone, one side of the rotating rod is rotatably connected with the bearing seat (14), the rubber tip cone is of a conical structure, and the rubber tip cone is movably sleeved with one end of the rotating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020400155.5U CN212558796U (en) | 2020-03-26 | 2020-03-26 | Electric wire traction equipment wire arrangement structure for water conservancy and hydropower construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020400155.5U CN212558796U (en) | 2020-03-26 | 2020-03-26 | Electric wire traction equipment wire arrangement structure for water conservancy and hydropower construction |
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| Publication Number | Publication Date |
|---|---|
| CN212558796U true CN212558796U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020400155.5U Expired - Fee Related CN212558796U (en) | 2020-03-26 | 2020-03-26 | Electric wire traction equipment wire arrangement structure for water conservancy and hydropower construction |
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| CN (1) | CN212558796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231375A (en) * | 2022-08-08 | 2022-10-25 | 湘潭潭州电力建设有限公司 | Power transmission line iron tower pile paying-off device and construction method thereof |
-
2020
- 2020-03-26 CN CN202020400155.5U patent/CN212558796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231375A (en) * | 2022-08-08 | 2022-10-25 | 湘潭潭州电力建设有限公司 | Power transmission line iron tower pile paying-off device and construction method thereof |
| CN115231375B (en) * | 2022-08-08 | 2024-06-04 | 湘潭潭州电力建设有限公司 | Paying-off device for electric transmission line iron tower piles and construction method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 810003 room 515, No. 18, Weier Road, Qinghai Biotechnology Industrial Park, Xining City, Qinghai Province Patentee after: Qinghai Honghai Electric Power Technology Co.,Ltd. Address before: 526061 Zhaoqing College of Zhaoqing Avenue, Duanzhou District, Zhaoqing City, Guangdong Province Patentee before: Sun Yiqiang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |