CN110181129B - Threading machine for mounting water pipe in constructional engineering - Google Patents
Threading machine for mounting water pipe in constructional engineering Download PDFInfo
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- CN110181129B CN110181129B CN201910561739.2A CN201910561739A CN110181129B CN 110181129 B CN110181129 B CN 110181129B CN 201910561739 A CN201910561739 A CN 201910561739A CN 110181129 B CN110181129 B CN 110181129B
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- sleeve
- motor
- holes
- water pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/22—Machines specially designed for operating on pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/52—Equipment or accessories specially designed for machines or devices for thread cutting for operating on pipes or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a threading machine for mounting a water pipe in constructional engineering, which comprises a base, a first fixed seat, a first motor, a driving gear, an inner hole, a movable sleeve body, a driven gear, a connecting sleeve, a protrusion, a clamping groove, a locking screw, a threading die, an external thread sleeve, a clamping hole, a fixed cover body and the like; the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and simultaneously performs threading processing on a plurality of water pipes, thereby improving the efficiency of threading processing; in the invention, the electromagnet is electrified to drive the movable plate to move left to press all the elastic clamping sleeves, so that the arranged water pipe can be clamped simultaneously, the clamping efficiency is improved, the water pipe is prevented from being damaged, and the labor capacity of workers is reduced; the first motor and the second motor are both stepping motors, and can be conveniently and accurately controlled by the prior art, so that the requirements on the rotating speed and the feeding precision during threading are met, and the threading processing quality is improved.
Description
Technical Field
The invention relates to the technical field of construction equipment, in particular to a threading machine for mounting a water pipe in constructional engineering.
Background
In the engineering such as building engineering installation, work pieces are often required to be threaded, especially in the water pipe installation engineering, because of the dimensional uncertainty of the work pieces, movable die threading is often adopted in the actual operation process, and the common way is to: after a workpiece is clamped by a clamp, manually sleeving a threading die, rotating the threading die to perform threading, after threading is finished, reversing the threading die, withdrawing the threading die, loosening the clamp, and taking out the workpiece, so that the threading of the workpiece is finished; however, the threading by manpower is not only inefficient, but also the labor intensity of workers is great; the traditional threading machine has lower working efficiency, and has low efficiency and higher labor intensity for workers when threading a large amount of water pipes.
Disclosure of Invention
The invention aims to solve the problems that the traditional threading machine is low in working efficiency and not only is low in efficiency but also is high in labor intensity of workers when threading a large amount of water pipes.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a mantle fiber machine is used in building engineering water pipe installation which innovation point lies in: the clamping device comprises a base, a first fixed seat, a first motor, a driving gear, an inner hole, a movable sleeve body, a driven gear, a connecting sleeve, a protrusion, a clamping groove, a locking screw, a screw die, an external thread sleeve, a clamping hole and a fixed cover body; the bottom of the first fixed seat is fixedly connected to the upper left side of the base, and the center of the left side of the first fixed seat is fixedly connected with a first motor; a driving gear is fixedly connected to the output shaft end on the right side of the motor; the inner holes are arranged in a circular shape and are transversely arranged in the first fixing seat; the movable sleeve bodies are a plurality of movable sleeve bodies, the movable sleeve bodies are movably connected inside corresponding inner holes through fixed cover bodies, driven gears are fixedly connected to the centers of the outer portions of the movable sleeve bodies, the inner side tooth portions of the driven gears are connected with the outer side tooth portions of the driving gears, and transverse clamping grooves are formed in the inner portions of the right sides of the movable sleeve bodies; the connecting sleeves are provided with a plurality of bulges, the bulges are respectively positioned in the corresponding clamping grooves, the connecting sleeves are respectively positioned on the right side of the inner part of the corresponding movable sleeve body, and the clamping holes are formed in the connecting sleeves; threaded holes are formed in the outer sides of the clamping holes, and locking screws are movably connected in the threaded holes; the number of the screw dies is multiple, and the screw dies are fixedly connected in the corresponding clamping holes through locking screws; the external thread on the left side of the external thread sleeve is connected with the internal thread on the right opening of the movable sleeve body, and the left side face of the external thread sleeve is connected with the right side face of the corresponding connecting sleeve.
Preferably, the device also comprises a second fixed seat, a fixed sleeve, a fixed hole, a fixed screw, an elastic clamping sleeve, a movable plate, a water pipe, a connecting hole, a fastening screw, a guide block, a guide hole, an electromagnet, a movable seat, a guide groove, a screw and a second motor; the guide groove is transversely arranged in the upper right side of the base, and a movable seat is transversely movably connected in the guide groove; the left upper side of the movable seat is fixedly connected with a second fixed seat, and a transverse threaded hole at the lower side of the movable seat is movably connected to the screw; the screw rod is movably connected in the guide groove, and the left end of the screw rod is fixedly connected with the output shaft end on the right side of the second motor; the second motor is fixedly connected to the inside of the left side of the base; the fixing holes are respectively positioned right and right of the corresponding inner holes and are arranged in the corresponding positions of the second fixing seat; the fixing sleeves are a plurality of and are fixedly connected in the corresponding fixing holes through fixing screws; the guide hole is formed in the center of the right side of the second fixed seat, and a guide block is transversely and movably connected in the guide hole; the center of the left side surface of the guide block is fixedly connected with the right telescopic end of the electromagnet, and the right end of the guide block is fixedly connected with the center of the left side of the movable plate through a fastening screw; the electromagnet is fixedly connected to the inner part of the center of the left side of the second fixed seat; the connecting holes are respectively positioned right side of the corresponding fixed holes and are arranged in the corresponding positions of the movable plate; elastic clamping sleeve is the several, elastic clamping sleeve is located the fixed cover inside that corresponds respectively, elastic clamping sleeve internal connection has the water pipe, elastic clamping sleeve right side all links to each other with the fly leaf left side.
Preferably, the first motor is a stepping motor.
Preferably, the inside of the clamping hole is matched with the outside of the screw die.
Preferably, the inner part of the fixed sleeve is provided with a taper hole with a small left and a large right, and the taper hole is matched with the outer taper surface of the elastic clamping sleeve.
Preferably, the guide groove is a T-shaped groove and matched with the outer part of the movable seat.
Preferably, the first motor is a stepping motor.
Preferably, the left lower side of the guide groove is provided with a chip removal hole.
The invention has the beneficial effects that:
(1) the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and simultaneously performs threading processing on a plurality of water pipes, thereby improving the efficiency of threading processing.
(2) According to the invention, the electromagnet is electrified to drive the movable plate to move left to press all the elastic clamping sleeves, so that the arranged water pipe can be clamped simultaneously, the clamping efficiency is improved, the water pipe is prevented from being damaged, and the labor capacity of workers is reduced.
(3) The first motor and the second motor are both stepping motors, and can be conveniently and accurately controlled by the prior art, so that the requirements on the rotating speed and the feeding precision during threading are met, and the threading processing quality is improved.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the left side of the present invention.
Fig. 3 is an enlarged right side view of the present invention.
1-a base; 2-a first fixed seat; 3, a first motor; 4-a drive gear; 5-inner hole; 6-movable sleeve body; 7-a driven gear; 8-connecting sleeves; 9-bulge; 10-a card slot; 11-locking screws; 12-a screw die; 13-external thread sleeve; 14-a clamping hole; 15-fixing the cover body; 16-a second fixed seat; 17-fixing the sleeve; 18-a fixation hole; 19-a set screw; 20-an elastic card sleeve; 21-a movable plate; 22-a water pipe; 23-a connection hole; 24-a fastening screw; 25-a guide block; 26-a guide hole; 27-an electromagnet; 28-a movable seat; 29-a guide groove; 30-screw rod; 31-motor two.
Detailed Description
As shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a threading machine for mounting a water pipe in constructional engineering comprises a base 1, a first fixed seat 2, a first motor 3, a driving gear 4, an inner hole 5, a movable sleeve body 6, a driven gear 7, a connecting sleeve 8, a protrusion 9, a clamping groove 10, a locking screw 11, a threading die 12, an external thread sleeve 13, a clamping hole 14 and a fixed cover body 15; the bottom of the first fixed seat 2 is fixedly connected to the upper left side of the base 1, and the center of the left side of the first fixed seat 2 is fixedly connected with a first motor 3; a driving gear 4 is fixedly connected to the right output shaft end of the first motor 3; the inner holes 5 are arranged in a circular shape and are transversely arranged in the first fixing seat 2; the movable sleeve bodies 6 are a plurality of movable sleeve bodies 6, the movable sleeve bodies 6 are movably connected inside the corresponding inner holes 5 through fixed cover bodies 15, driven gears 7 are fixedly connected to the centers of the outer portions of the movable sleeve bodies 6, the inner side tooth portions of the driven gears 7 are connected with the outer side tooth portions of the driving gears 4, and transverse clamping grooves 10 are formed in the inner portions of the right sides of the movable sleeve bodies 6; the connecting sleeves 8 are multiple, the outer sides of the connecting sleeves 8 are provided with protrusions 9, the protrusions 9 are respectively positioned in corresponding clamping grooves 10, the connecting sleeves 8 are respectively positioned on the right sides of the corresponding inner parts of the movable sleeve bodies 6, and clamping holes 14 are formed in the connecting sleeves 8; threaded holes are formed in the outer sides of the clamping holes 14, and locking screws 11 are movably connected in the threaded holes; the number of the dies 12 is multiple, and the dies 12 are fixedly connected in the corresponding clamping holes 14 through locking screws 11; the left side external thread of the external thread sleeve 13 is connected with the internal thread of the right opening of the movable sleeve body 6, and the left side surface of the external thread sleeve 13 is connected with the right side surface of the corresponding connecting sleeve 8.
The device also comprises a second fixed seat 16, a fixed sleeve 17, a fixed hole 18, a fixed screw 19, an elastic clamping sleeve 20, a movable plate 21, a water pipe 22, a connecting hole 23, a fastening screw 24, a guide block 25, a guide hole 26, an electromagnet 27, a movable seat 28, a guide groove 29, a screw rod 30 and a second motor 31; the guide groove 29 is transversely arranged in the upper right side of the base 1, and a movable seat 28 is transversely movably connected in the guide groove 29; the left upper side of the movable seat 28 is fixedly connected with a second fixed seat 16, and a transverse threaded hole at the lower side of the movable seat 28 is movably connected to the screw 30; the screw 30 is movably connected in the guide groove 29, and the left end of the screw 30 is fixedly connected with the right output shaft of the second motor 31; the second motor 31 is fixedly connected to the inner part of the left side of the base 1; the number of the fixing holes 18 is several, the fixing holes 18 are respectively positioned right and left of the corresponding inner holes 5, and the fixing holes 18 are arranged in the positions corresponding to the second fixing seats 16; the number of the fixed sleeves 17 is several, and the fixed sleeves 17 are fixedly connected in the corresponding fixed holes 18 through the fixed screws 19; the guide hole 26 is arranged in the center of the right side of the second fixed seat 16, and a guide block 25 is transversely and movably connected in the guide hole 26; the center of the left side surface of the guide block 25 is fixedly connected with the right telescopic end of the electromagnet 27, and the right end of the guide block 25 is fixedly connected with the left center of the movable plate 21 through a fastening screw 24; the electromagnet 27 is fixedly connected to the inner part of the center of the left side of the second fixed seat 16; the connecting holes 23 are plural, the connecting holes 23 are respectively located right and left of the corresponding fixing holes 18, and the connecting holes 23 are arranged in the corresponding positions of the movable plate 21; the elastic clamping sleeve 20 is a plurality of elastic clamping sleeves 20, the elastic clamping sleeves 20 are respectively positioned inside the corresponding fixed sleeves 17, the water pipe 22 is connected inside the elastic clamping sleeves 20, and the right sides of the elastic clamping sleeves 20 are connected with the left side of the movable plate 21.
The first motor 3 is a stepping motor; the inside of the clamping hole 14 is matched with the outside of the screw die 12; a taper hole with a small left and a big right is arranged in the fixed sleeve 17 and is matched with the outer taper surface of the elastic clamping sleeve 20; the guide groove 29 is a T-shaped groove and is matched with the outside of the movable seat 28; the first motor 3 is a stepping motor; the left lower side of the guide groove 29 is provided with a chip removal hole.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, when in use, firstly, a plurality of water pipes 22 are respectively inserted into the corresponding connecting holes 23 and the corresponding elastic clamping sleeves 20, the left extending lengths of the water pipes 22 are the same, then the electromagnet 27 is electrified to drive the guide block 25 to move left, the left movement of the guide block 25 drives the movable plate 21 to move left to press all the elastic clamping sleeves 20, the arranged water pipes 22 can be clamped simultaneously, thereby the clamping efficiency is improved, simultaneously the water pipes 22 are prevented from being damaged and the labor amount of workers is reduced, then the motor I3 and the motor II 31 are started, the motor I3 can drive all the driven gears 7 to rotate together through the driving gear 4, the rotation of the driven gears 7 drives the movable sleeve body 6 and the dies 12 inside the movable sleeve body 6 to rotate, then the motor II 31 drives the screw rod 30 to rotate, so that the movable seat 28 drives the water pipes 22 to move left to the right positions of the dies 12, and then the wire feeding and sleeving are carried out Worker, here carry out the mantle fiber processing to several water pipe 22 simultaneously to the efficiency of mantle fiber processing has been improved, motor 3 and motor two 31 here are step motor in addition, can be convenient for carry out accurate control through current technique, thereby the rotational speed when having satisfied the mantle fiber and the required precision of feeding, has also improved the quality of mantle fiber processing.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a mantle fiber machine is used in building engineering water pipe installation which characterized in that: the device comprises a base (1), a first fixed seat (2), a first motor (3), a driving gear (4), an inner hole (5), a movable sleeve body (6), a driven gear (7), a connecting sleeve (8), a protrusion (9), a clamping groove (10), a locking screw (11), a die (12), an external thread sleeve (13), a clamping hole (14), a fixed cover body (15), a second fixed seat (16), a fixed sleeve (17), a fixed hole (18), a fixed screw (19), an elastic clamping sleeve (20), a movable plate (21), a water pipe (22), a connecting hole (23), a fastening screw (24), a guide block (25), a guide hole (26), an electromagnet (27), a movable seat (28), a guide groove (29), a screw (30) and a second motor (31);
the bottom of the first fixed seat (2) is fixedly connected to the upper left side of the base (1), and the center of the left side of the first fixed seat (2) is fixedly connected with a first motor (3);
a driving gear (4) is fixedly connected to the output shaft end of the right side of the motor I (3);
the inner holes (5) are arranged in a circular shape and are transversely arranged in the first fixing seat (2);
the movable sleeve bodies (6) are a plurality of, the movable sleeve bodies (6) are movably connected inside the corresponding inner holes (5) through fixed cover bodies (15), driven gears (7) are fixedly connected to the centers of the outer portions of the movable sleeve bodies (6), the inner side tooth portions of the driven gears (7) are connected with the outer side tooth portions of the driving gears (4), and transverse clamping grooves (10) are formed in the inner portions of the right sides of the movable sleeve bodies (6);
the connecting sleeves (8) are multiple, the outer sides of the connecting sleeves (8) are respectively provided with bulges (9), the bulges (9) are respectively positioned in the corresponding clamping grooves (10), the connecting sleeves (8) are respectively positioned on the right sides of the inner parts of the corresponding movable sleeve bodies (6), and clamping holes (14) are formed in the connecting sleeves (8);
threaded holes are formed in the outer sides of the clamping holes (14), and locking screws (11) are movably connected in the threaded holes;
the number of the dies (12) is multiple, and the dies (12) are fixedly connected in the corresponding clamping holes (14) through locking screws (11);
the left side external thread of the external thread sleeve (13) is connected with the internal thread at the right opening of the movable sleeve body (6), and the left side surface of the external thread sleeve (13) is connected with the corresponding right side surface of the connecting sleeve (8);
the guide groove (29) is transversely arranged in the right upper side of the base (1), and a movable seat (28) is transversely movably connected in the guide groove (29);
a second fixed seat (16) is fixedly connected to the left upper side of the movable seat (28), and a transverse threaded hole in the lower side of the movable seat (28) is movably connected to the screw rod (30);
the screw rod (30) is movably connected in the guide groove (29), and the left end of the screw rod (30) is fixedly connected with the right output shaft end of the second motor (31);
the second motor (31) is fixedly connected to the inner part of the left side of the base (1);
the number of the fixing holes (18) is multiple, the fixing holes (18) are respectively positioned right to the right of the corresponding inner holes (5), and the fixing holes (18) are arranged in the positions corresponding to the second fixing seats (16);
the number of the fixed sleeves (17) is multiple, and the fixed sleeves (17) are fixedly connected in corresponding fixing holes (18) through fixing screws (19);
the guide hole (26) is formed in the center of the right side of the second fixed seat (16), and a guide block (25) is transversely and movably connected in the guide hole (26);
the center of the left side surface of the guide block (25) is fixedly connected with the right telescopic end of the electromagnet (27), and the right end of the guide block (25) is fixedly connected with the center of the left side of the movable plate (21) through a fastening screw (24);
the electromagnet (27) is fixedly connected to the inner part of the center of the left side of the second fixed seat (16);
the connecting holes (23) are multiple, the connecting holes (23) are respectively positioned right and right of the corresponding fixing holes (18), and the connecting holes (23) are arranged in the corresponding positions of the movable plate (21);
elastic clamping sleeve (20) are the several, elastic clamping sleeve (20) are located corresponding fixed cover (17) inside respectively, elastic clamping sleeve (20) internal connection has water pipe (22), elastic clamping sleeve (20) right side all links to each other with fly leaf (21) left side.
2. The threading machine for mounting the water pipe of the constructional engineering according to claim 1, characterized in that: the first motor (3) is a stepping motor.
3. The threading machine for mounting the water pipe of the constructional engineering according to claim 1, characterized in that: the inside of the clamping hole (14) is matched with the outside of the screw die (12).
4. The threading machine for mounting the water pipe of the constructional engineering according to claim 1, characterized in that: the inner part of the fixed sleeve (17) is provided with a taper hole with a small left and a big right, and the taper hole is matched with the outer taper surface of the elastic clamping sleeve (20).
5. The threading machine for mounting the water pipe of the constructional engineering according to claim 1, characterized in that: the guide groove (29) is a T-shaped groove and is matched with the outer part of the movable seat (28).
6. The threading machine for mounting the water pipe of the constructional engineering according to claim 1, characterized in that: the first motor (3) is a stepping motor.
7. The threading machine for mounting the water pipe of the constructional engineering according to claim 1, characterized in that: the left lower side of the guide groove (29) is provided with a chip removal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561739.2A CN110181129B (en) | 2019-06-26 | 2019-06-26 | Threading machine for mounting water pipe in constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561739.2A CN110181129B (en) | 2019-06-26 | 2019-06-26 | Threading machine for mounting water pipe in constructional engineering |
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| Publication Number | Publication Date |
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| CN110181129A CN110181129A (en) | 2019-08-30 |
| CN110181129B true CN110181129B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910561739.2A Expired - Fee Related CN110181129B (en) | 2019-06-26 | 2019-06-26 | Threading machine for mounting water pipe in constructional engineering |
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| CN (1) | CN110181129B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111002162B (en) * | 2019-12-03 | 2020-12-18 | 浙江宏海钢管制造有限公司 | Stainless steel pipe surface treatment process |
| CN116275312B (en) * | 2022-12-12 | 2023-12-19 | 中建八局第二建设有限公司 | Automatic steel bar straight thread threading machine for building |
| CN117381079B (en) * | 2023-11-14 | 2024-03-19 | 云南融创房地产开发有限公司 | Intelligent manufacturing integrated threading machine for building |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613260A (en) * | 1985-05-10 | 1986-09-23 | Emerson Electric Co. | Thread cutting die head for power driven threading machines |
| CN202240002U (en) * | 2011-10-09 | 2012-05-30 | 上海海事大学 | Screw die device specially used for round screw die |
| CN202861561U (en) * | 2012-08-29 | 2013-04-10 | 苏州工业园区永达五金电器厂 | External threading clamp |
| CN203390333U (en) * | 2013-08-02 | 2014-01-15 | 山东电力建设第二工程公司 | Rapid lead screw diehead threading machine |
| CN206551360U (en) * | 2017-03-02 | 2017-10-13 | 宁波双林模具有限公司 | A kind of self centering radial inflow Pneumatic clamping jaw |
| CN207344168U (en) * | 2017-06-09 | 2018-05-11 | 龙工(上海)液压有限公司 | A kind of resilient clamp tool structure |
| CN107498121A (en) * | 2017-10-23 | 2017-12-22 | 惠州市憬泰工艺制品有限公司 | A kind of star wheel type multistation die head threading machine and its method of work |
| CN208322343U (en) * | 2018-06-11 | 2019-01-04 | 湖北华锐化工机械有限公司 | A kind of electronic heat exchanger pull rod die head threading machine |
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2019
- 2019-06-26 CN CN201910561739.2A patent/CN110181129B/en not_active Expired - Fee Related
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Effective date of registration: 20210331 Address after: 239000 no.81-211 fengle Avenue, Langya District, Chuzhou City, Anhui Province Applicant after: Anhui Qiyuan Construction Engineering Co.,Ltd. Address before: 415207 No. 005, Tianxing formation, Caijia village, sixingang Town, linli County, Changde City, Hunan Province Applicant before: Wang Fang |
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