CN212292042U - Novel construction is with defeated material device - Google Patents

Novel construction is with defeated material device Download PDF

Info

Publication number
CN212292042U
CN212292042U CN202020448886.7U CN202020448886U CN212292042U CN 212292042 U CN212292042 U CN 212292042U CN 202020448886 U CN202020448886 U CN 202020448886U CN 212292042 U CN212292042 U CN 212292042U
Authority
CN
China
Prior art keywords
motor
groove
material conveying
base
mounting
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.)
Expired - Fee Related
Application number
CN202020448886.7U
Other languages
Chinese (zh)
Inventor
于跃勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Guohan Construction Engineering Co ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202020448886.7U priority Critical patent/CN212292042U/en
Application granted granted Critical
Publication of CN212292042U publication Critical patent/CN212292042U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

The utility model discloses a novel construction is with defeated material device, the on-line screen storage device comprises a base, the bottom fixed mounting of base has four universal wheels, and four universal wheels are two bisymmetry and arrange, and the ring channel has been seted up at the top of base, and the top of base is equipped with the backup pad, and the bottom fixed mounting of backup pad has two support columns, and the equal slidable mounting in the ring channel in bottom of two support columns, first mounting groove has been seted up at the top of base, and fixed mounting has first motor in the first mounting groove, the output shaft of first motor extend to outside the first mounting groove and with the bottom fixed connection of backup pad. The utility model relates to a rationally, the simple operation can be adjusted the inclination of conveying pipeline, is convenient for carry the material to different high position, can carry out the level to the conveying pipeline moreover and rotate the regulation, is convenient for carry the material to different horizontal position, helps defeated material work, has improved practicality.

Description

Novel construction is with defeated material device
Technical Field
The utility model relates to a construction equipment technical field specifically is a novel construction is with defeated material device.
Background
The construction is a production activity in the construction implementation stage of engineering, is a construction process of various buildings, and can also be a process of changing various lines on a design drawing into a real object at a designated place.
However, among the prior art, the conveying equipment commonly used when using, can not adjust the inclination of conveying pipeline to be not convenient for carry building material to suitable high position according to the work needs, be not convenient for carry out the horizontal rotation to the conveying pipeline and adjust moreover, be not convenient for carry building material to different horizontal position, the practicality is poor, for this reason, we propose a novel feeding device for construction and be used for solving above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a novel feeding for construction device has solved defeated material equipment when using, can not adjust the inclination of conveying pipeline, is not convenient for carry building material to suitable high position, is not convenient for carry out the horizontal rotation to the conveying pipeline moreover and adjusts, is not convenient for carry building material to different horizontal position, problem that the practicality is poor.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a novel material conveying device for building construction comprises a base, wherein four universal wheels are fixedly installed at the bottom of the base, the four universal wheels are symmetrically arranged in pairs, a circular groove is formed in the top of the base, a supporting plate is arranged above the base, two supporting columns are fixedly installed at the bottom of the supporting plate, the bottoms of the two supporting columns are both slidably installed in the circular groove, a first installation groove is formed in the top of the base, a first motor is fixedly installed in the first installation groove, the output shaft end of the first motor extends out of the first installation groove and is fixedly connected with the bottom of the supporting plate, a sliding groove is formed in the top of the supporting plate, a threaded rod is rotatably installed in the sliding groove, a sliding seat is sleeved on the threaded rod in a threaded manner, the top of the sliding seat extends out of the sliding groove and is hinged with a connecting rod, the connecting rod is obliquely arranged, one end of threaded rod extends to in the second mounting groove and with the output shaft end fixed connection of second motor, the top fixed mounting of backup pad has the stand, the top of backup pad is equipped with the conveying pipeline, the conveying pipeline sets up for the slope, the bottom fixed mounting of conveying pipeline has fixing base and articulated shaft, the top of connecting rod is articulated mutually with the bottom of fixing base, the bottom of articulated shaft is articulated mutually with the top of stand, the top fixed mounting of conveying pipeline has the feeder hopper, the bottom fixed mounting of conveying pipeline has the discharging pipe, discharging pipe and feeder hopper all are linked together with the conveying pipeline is inside, be equipped with the pivot in the conveying pipeline, fixed cover is equipped with helical impeller in the pivot, the mounting hole has been seted up on one side inner wall of conveying pipeline, one side fixed mounting of conveying pipeline has the third motor, the one end of pivot run.
Preferably, the bottom of two support columns is all rotated and is installed the gyro wheel, and two gyro wheels all with the bottom inner wall rolling contact of ring channel.
Preferably, a limiting groove is formed in the inner wall of the bottom of the sliding groove, a limiting rod is fixedly mounted at the bottom of the sliding seat, and the limiting rod is slidably mounted in the limiting groove.
Preferably, the inner wall of one side of the sliding groove, which is far away from the second motor, is fixedly provided with a first bearing seat, and one end, which is far away from the second motor, of the threaded rod is rotatably arranged on the first bearing seat.
Preferably, the rotating shaft is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.
Preferably, a second bearing seat is fixedly installed on the inner wall of one side, far away from the third motor, of the material conveying pipe, and one end, far away from the material conveying pipe, of the rotating shaft is rotatably installed on the second bearing seat.
(III) advantageous effects
The utility model provides a novel construction is with defeated material device. The method has the following beneficial effects:
(1) this novel feeding device for construction, bottom through at the base sets up four universal wheels, be convenient for promote this equipment and wholly remove, after this equipment integrally removes suitable position, the switch on, start third motor work, the third motor drives pivot and helical impeller and rotates, pour the material into the conveying pipeline from the feeder hopper in, utilize helical impeller's rotation, can incline the direction of material along the conveying pipeline slope and upwards carry, make the material from the even volume of discharging pipe discharge.
(2) The novel material conveying device for building construction is characterized in that the second motor is started to rotate forwards, the second motor drives the threaded rod to rotate, so that the sliding seat slides leftwards in the sliding groove, the sliding seat drives the connecting rod to move leftwards and rotate at the hinged position, the connecting rod pushes the fixed seat and the material conveying pipe to incline upwards, the inclination angle of the material conveying pipe is increased, namely, the conveying height of the materials is increased, and similarly, the second motor is started to rotate reversely, the second motor drives the threaded rod to rotate reversely, so that the sliding seat slides rightwards in the sliding groove, the sliding seat drives the connecting rod to move rightwards and rotate at the hinged position of the connecting rod, the connecting rod pulls the fixed seat and the material conveying pipe to incline downwards, the inclination angle of the material conveying pipe is reduced, the conveying height of the material is reduced, so that the inclination angle of the conveying pipe can be adjusted by controlling the forward and reverse rotation of the second motor, namely, the conveying height of the material is adjusted.
(3) This novel feeding device for construction, through starting first motor corotation, first motor drives backup pad and conveying pipeline and carries out clockwise rotation, and the backup pad drives two support columns and slides in the ring channel, and on the same principle, starts first motor reversal, and first motor drives backup pad and conveying pipeline and carries out anticlockwise rotation to through the positive reverse work of controlling first motor, can rotate the horizontal position of conveying pipeline and adjust, can carry the material to different horizontal position.
Drawings
FIG. 1 is a schematic sectional view of the main view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged schematic view of a portion B in fig. 1.
In the figure: 1. a base; 2. a universal wheel; 3. an annular groove; 4. a support plate; 5. a support pillar; 6. a first mounting groove; 7. a first motor; 8. a chute; 9. a threaded rod; 10. a slide base; 11. a connecting rod; 12. a second mounting groove; 13. a second motor; 14. a column; 15. a delivery pipe; 16. a fixed seat; 17. hinging a shaft; 18. a feed hopper; 19. a discharge pipe; 20. a rotating shaft; 21. a helical impeller; 22. mounting holes; 23. a third motor.
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.
As shown in fig. 1-3, the utility model provides a technical solution: a novel material conveying device for building construction comprises a base 1, wherein four universal wheels 2 are fixedly installed at the bottom of the base 1, the four universal wheels 2 are symmetrically arranged in pairs, a ring groove 3 is formed in the top of the base 1, a supporting plate 4 is arranged above the base 1, two supporting columns 5 are fixedly installed at the bottom of the supporting plate 4, the bottom ends of the two supporting columns 5 are both slidably installed in the ring groove 3, a first installation groove 6 is formed in the top of the base 1, a first motor 7 is fixedly installed in the first installation groove 6, the output shaft end of the first motor 7 extends out of the first installation groove 6 and is fixedly connected with the bottom of the supporting plate 4, a chute 8 is formed in the top of the supporting plate 4, a threaded rod 9 is rotatably installed in the chute 8, a slide seat 10 is sleeved on the threaded rod 9, the top of the slide seat 10 extends out of the chute 8 and, a second mounting groove 12 is formed in the inner wall of one side of the chute 8, a second motor 13 is fixedly mounted in the second mounting groove 12, one end of a threaded rod 9 extends into the second mounting groove 12 and is fixedly connected with the output shaft of the second motor 13, a stand column 14 is fixedly mounted at the top of the support plate 4, a feed delivery pipe 15 is arranged above the support plate 4, the feed delivery pipe 15 is arranged in an inclined manner, a fixed seat 16 and a hinged shaft 17 are fixedly mounted at the bottom of the feed delivery pipe 15, the top end of a connecting rod 11 is hinged with the bottom of the fixed seat 16, the bottom end of the hinged shaft 17 is hinged with the top end of the stand column 14, a feed hopper 18 is fixedly mounted at the top of the feed delivery pipe 15, a discharge pipe 19 is fixedly mounted at the bottom of the feed delivery pipe 15, the discharge pipe 19 and the feed hopper 18 are both communicated with the inside of the feed delivery pipe 15, a, one side of the material conveying pipe 15 is fixedly provided with a third motor 23, and one end of the rotating shaft 20 penetrates through the mounting hole 22 and is fixedly connected with an output shaft end of the third motor 23.
The gyro wheel is all rotated and installed to the bottom of two support columns 5, two gyro wheels all with the bottom inner wall rolling contact of ring channel 3, the spacing groove has been seted up on the bottom inner wall of spout 8, the bottom fixed mounting of slide 10 has the gag lever post, gag lever post slidable mounting is in the spacing inslot, fixed mounting has primary shaft bearing on one side inner wall that second motor 13 was kept away from to spout 8, threaded rod 9 keeps away from the one end rotation of second motor 13 and installs on primary shaft bearing, fixed cover is equipped with the bearing on the pivot 20, the outer lane of bearing has the inner wall fixed connection of mounting hole 22, fixed mounting has secondary shaft bearing on one side inner wall that third motor 23 was kept away from to conveying pipeline 15, the one end that conveying pipeline 15 was kept away from to pivot.
When the device is used, the first motor 7 and the second motor 13 are both positive and negative rotating motors, the base 1 is provided with a control switch and an external power line, the first motor 7, the second motor 13, the third motor 23, the control switch and the external power line are sequentially and electrically connected to form a loop, the control switch can respectively control the start and stop of the first motor 7 and the second motor 13 and the positive and negative rotating work of the third motor 23, the control switch can also control the start and stop work of the third motor 23, the device is convenient to push the whole device to move by arranging the four universal wheels 2 at the bottom of the base 1, after the device is integrally moved to a proper position, the power is switched on, the third motor 23 is started to work, the third motor 23 drives the rotating shaft 20 and the spiral impeller 21 to rotate, materials are poured into the conveying pipe 15 from the feed hopper 18, and the materials can be conveyed upwards in an inclined direction along the conveying pipe 15 by the rotation of, when materials are conveyed to the discharge pipe 19, the materials are uniformly discharged from the discharge pipe 19, and the inclination angle of the material conveying pipe 15 needs to be adjusted, the second motor 13 is started to rotate forwardly, the second motor 13 drives the threaded rod 9 to rotate, the threaded rod 9 is in threaded connection and matching with the sliding seat 10, so that the sliding seat 10 slides leftwards in the sliding groove 8, the sliding seat 10 drives the limiting rod to slide in the limiting groove, the sliding seat 10 drives the connecting rod 11 to move leftwards and rotate at the hinged position, the connecting rod 11 pushes the fixing seat 16 and the material conveying pipe 15 to incline upwards, the inclination angle of the material conveying pipe 15 is increased, namely, the conveying height of the materials is increased, and similarly, the second motor 13 is started to rotate reversely, the second motor 13 drives the threaded rod 9 to rotate reversely, so that the sliding seat 10 slides rightwards in the sliding groove 8, the sliding seat 10 drives the connecting rod 11 to move rightwards and rotate at the hinged position, and, the inclination angle of the material conveying pipe 15 is reduced, namely the conveying height of the material is reduced, after the inclination angle of the material conveying pipe 15 is adjusted to be proper, the second motor 13 is stopped to work, so that the inclination angle of the material conveying pipe 15 can be adjusted by controlling the forward and reverse rotation of the second motor 13, namely the conveying height position of the material is adjusted, the horizontal rotation adjustment of the material conveying pipe 15 is needed, the first motor 7 is started to rotate forwards, the first motor 7 drives the supporting plate 4 and the material conveying pipe 15 to rotate clockwise, the supporting plate 4 drives the two supporting columns 5 to slide in the annular groove 3, the two supporting columns 5 drive corresponding rollers to roll on the inner wall of the bottom of the annular groove 3, similarly, the first motor 7 is started to rotate backwards, the first motor 7 drives the supporting plate 4 and the material conveying pipe 15 to rotate anticlockwise, after the material conveying pipe 15 is adjusted to be proper horizontal position as, the operation of the first motor 7 is stopped, so that the horizontal position of the material conveying pipe 15 can be adjusted by controlling the forward and reverse rotation of the first motor 7, and the material can be conveyed to different horizontal positions, and the details which are not described in detail in the specification belong to the prior art which is well known to those skilled in the art.
To sum up, the novel material conveying device for building construction is characterized in that four universal wheels 2 are arranged at the bottom of a base 1, so that the device is pushed to move integrally, after the device is moved integrally to a proper position, a power supply is switched on, a third motor 23 is started to work, the third motor 23 drives a rotating shaft 20 and a spiral impeller 21 to rotate, materials are poured into a material conveying pipe 15 from a feed hopper 18, the materials can be obliquely and upwards conveyed along the oblique direction of the material conveying pipe 15 by utilizing the rotation of the spiral impeller 21, the materials are uniformly discharged from a material discharging pipe 19, a second motor 13 is started to rotate forwards, the second motor 13 drives a threaded rod 9 to rotate, a sliding seat 10 slides leftwards in a sliding groove 8, the sliding seat 10 drives a connecting rod 11 to move leftwards and rotate at the hinged position of the connecting rod 11, the connecting rod 11 pushes a fixed seat 16 and the material conveying pipe 15 to incline upwards, the inclination angle of the material conveying, namely, the conveying height of the material is increased, and in the same way, the second motor 13 is started to rotate reversely, the second motor 13 drives the threaded rod 9 to rotate reversely, so that the slide seat 10 slides rightwards in the chute 8, the slide seat 10 drives the connecting rod 11 to move rightwards and rotate at the hinged position, the connecting rod 11 pulls the fixed seat 16 and the conveying pipe 15 to incline downwards, the inclination angle of the conveying pipe 15 is reduced, namely, the conveying height of the material is reduced, so that the inclination angle of the conveying pipe 15 can be adjusted by controlling the forward and reverse rotation of the second motor 13, namely, the conveying height position of the material is adjusted, the first motor 7 is started to rotate forwards, the first motor 7 drives the supporting plate 4 and the conveying pipe 15 to rotate clockwise, the supporting plate 4 drives the two supporting columns 5 to slide in the annular groove 3, and in the same way, the first motor 7 is started to rotate backwards, the first motor 7 drives the, thereby through the positive and negative rotation work of control first motor 7, can rotate the horizontal position of conveying pipeline 15 and adjust, can carry the material to different horizontal position, the utility model relates to a rationally, the simple operation can be adjusted the inclination of conveying pipeline 15, is convenient for carry the material to different high positions, can carry out the horizontal rotation to conveying pipeline 15 moreover and adjust, is convenient for carry the material to different horizontal position, helps defeated material work, has improved practicality.

Claims (6)

1. The utility model provides a novel defeated material for construction device, includes base (1), its characterized in that: the bottom of the base (1) is fixedly provided with four universal wheels (2), the four universal wheels (2) are symmetrically arranged in pairs, the top of the base (1) is provided with a ring groove (3), a supporting plate (4) is arranged above the base (1), the bottom of the supporting plate (4) is fixedly provided with two supporting columns (5), the bottoms of the two supporting columns (5) are both slidably mounted in the ring groove (3), the top of the base (1) is provided with a first mounting groove (6), a first motor (7) is fixedly mounted in the first mounting groove (6), the output shaft end of the first motor (7) extends out of the first mounting groove (6) and is fixedly connected with the bottom of the supporting plate (4), the top of the supporting plate (4) is provided with a sliding groove (8), a threaded rod (9) is rotatably mounted in the sliding groove (8), and a sliding seat (10) is sleeved on the, the top of the sliding seat (10) extends to the outside of the sliding groove (8) and is hinged with a connecting rod (11), the connecting rod (11) is arranged in an inclined manner, a second mounting groove (12) is formed in the inner wall of one side of the sliding groove (8), a second motor (13) is fixedly mounted in the second mounting groove (12), one end of the threaded rod (9) extends into the second mounting groove (12) and is fixedly connected with the output shaft end of the second motor (13), an upright post (14) is fixedly mounted at the top of the supporting plate (4), a material conveying pipe (15) is arranged above the supporting plate (4), the material conveying pipe (15) is arranged in an inclined manner, a fixing seat (16) and a hinged shaft (17) are fixedly mounted at the bottom of the material conveying pipe (15), the top of the connecting rod (11) is hinged with the bottom of the fixing seat (16), the bottom of the hinged shaft (17) is hinged with the top end of the upright, the bottom fixed mounting of conveying pipeline (15) has discharging pipe (19), discharging pipe (19) and feeder hopper (18) all are linked together with conveying pipeline (15) inside, be equipped with pivot (20) in conveying pipeline (15), fixed cover is equipped with spiral impeller (21) on pivot (20), mounting hole (22) have been seted up on one side inner wall of conveying pipeline (15), one side fixed mounting of conveying pipeline (15) has third motor (23), the one end of pivot (20) run through mounting hole (22) and with the output shaft end fixed connection of third motor (23).
2. The novel material conveying device for building construction as claimed in claim 1, characterized in that: the bottom of two support columns (5) all rotates and installs the gyro wheel, and two gyro wheels all with the bottom inner wall rolling contact of ring channel (3).
3. The novel material conveying device for building construction as claimed in claim 1, characterized in that: the limiting groove is formed in the inner wall of the bottom of the sliding groove (8), the limiting rod is fixedly mounted at the bottom of the sliding seat (10), and the limiting rod is slidably mounted in the limiting groove.
4. The novel material conveying device for building construction as claimed in claim 1, characterized in that: and a first bearing seat is fixedly mounted on the inner wall of one side of the sliding groove (8) far away from the second motor (13), and one end of the threaded rod (9) far away from the second motor (13) is rotatably mounted on the first bearing seat.
5. The novel material conveying device for building construction as claimed in claim 1, characterized in that: the rotating shaft (20) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole (22).
6. The novel material conveying device for building construction as claimed in claim 1, characterized in that: a second bearing seat is fixedly installed on the inner wall of one side, far away from the third motor (23), of the material conveying pipe (15), and one end, far away from the material conveying pipe (15), of the rotating shaft (20) is rotatably installed on the second bearing seat.
CN202020448886.7U 2020-04-01 2020-04-01 Novel construction is with defeated material device Expired - Fee Related CN212292042U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020448886.7U CN212292042U (en) 2020-04-01 2020-04-01 Novel construction is with defeated material device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020448886.7U CN212292042U (en) 2020-04-01 2020-04-01 Novel construction is with defeated material device

Publications (1)

Publication Number Publication Date
CN212292042U true CN212292042U (en) 2021-01-05

Family

ID=73962832

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020448886.7U Expired - Fee Related CN212292042U (en) 2020-04-01 2020-04-01 Novel construction is with defeated material device

Country Status (1)

Country Link
CN (1) CN212292042U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114671199A (en) * 2022-03-02 2022-06-28 浙江振升建设有限公司 Building construction is with promotion conveyer of deep basal pit excavation earth
CN115716605A (en) * 2022-12-08 2023-02-28 纳拓润滑技术(上海)有限公司 Loading attachment is used in chemical product production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114671199A (en) * 2022-03-02 2022-06-28 浙江振升建设有限公司 Building construction is with promotion conveyer of deep basal pit excavation earth
CN114671199B (en) * 2022-03-02 2024-05-10 浙江振升建设有限公司 Lifting and transporting device for deep foundation pit excavation soil for building construction
CN115716605A (en) * 2022-12-08 2023-02-28 纳拓润滑技术(上海)有限公司 Loading attachment is used in chemical product production

Similar Documents

Publication Publication Date Title
CN212292042U (en) Novel construction is with defeated material device
CN110788181A (en) Automatic bending device for heating pipe
CN213833406U (en) Conveying device capable of adjusting height for coal mining
CN109333827B (en) A quick loading attachment for concrete batching
CN210589942U (en) Small-size prefabricated component concrete placement tripper
CN205323634U (en) Novel stirring device
CN108930541A (en) A kind of spouting plant for railway tunnel
CN212151591U (en) Filling equipment for coating
CN114407195A (en) Automatic material mixing and moving feeding system for novel building material production process
CN210365639U (en) Angle-adjustable deformed starch conveying pipe
CN217397909U (en) Tubular spiral conveying equipment convenient to remove and adjust
CN208177862U (en) A kind of sandstone screening plant for engineering construction
CN208148160U (en) Cast pipe coating distribution device
CN213737184U (en) Adjustable full-automatic raw material hoister
CN221115476U (en) Multistage speed regulation discharge mechanism
CN212639058U (en) Rotary inclined conveying mechanism
CN111001338A (en) Mixing arrangement is used in chemical product processing
CN211643623U (en) Production and conveying device for carbon powder carrier for copying
CN208761508U (en) A kind of cast conveying auger
CN216171876U (en) Movable mixer
CN219008967U (en) Feeder is used in bone meal production
CN213536591U (en) A screw conveyer for lubricating oil barrel production
CN220267234U (en) Concrete placement distributing device
CN216036816U (en) Broken stone aggregate conveyor
CN210943618U (en) Continuous discharging device for fertilizer production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210604

Address after: 242300 room 157-257, building C19, Zhongding apartment, ningdun Road, Ningguo City, Xuancheng City, Anhui Province

Patentee after: Anhui guohan Construction Engineering Co.,Ltd.

Address before: 313000 no.1398, North Mingzhu Road, Changxing Economic and Technological Development Zone, Huzhou City, Zhejiang Province

Patentee before: Yu Yueyong

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210105

CF01 Termination of patent right due to non-payment of annual fee