CN111884127A - Automatic mounting equipment for pre-twisted wire protection line for electric power engineering - Google Patents
Automatic mounting equipment for pre-twisted wire protection line for electric power engineering Download PDFInfo
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- CN111884127A CN111884127A CN202010839239.3A CN202010839239A CN111884127A CN 111884127 A CN111884127 A CN 111884127A CN 202010839239 A CN202010839239 A CN 202010839239A CN 111884127 A CN111884127 A CN 111884127A
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- twisted wire
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses automatic mounting equipment for a pre-twisted wire protecting strip for an electric power project, which comprises an assembling ring, wherein a wire twisting device is arranged in the assembling ring, a driving device is arranged in the assembling ring, the end part of a connecting semi-ring is connected with a sleeving ring through a separating device, and a fastening device is arranged on the sleeving ring. According to the invention, the pre-twisted wire and the cable are clamped by the arc inner fastening plate under the combined action of the sleeving ring, the threaded ring, the arc limiting plate and the inclined arc plate, so that the end part of the pre-twisted wire is in a fixed state, power is provided by friction between the pre-twisted wire and the driving wheel, and the pre-twisted wire is rotated under the combined action of the power bevel gear, the transmission shaft and the transmission gear, so that the pre-twisted wire is rotated in the moving process, the pre-twisted wire is spirally wound on the cable, the mounting of a pre-twisted wire protection line is realized, and in the process, the operation by two hands is not needed, so that the working condition is safer.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to automatic mounting equipment for a preformed armor rod protective strip for electric power engineering.
Background
The transmission and distribution of electric energy is mainly realized by high-voltage and low-voltage alternating current power networks. In the last 30 years, the high-voltage direct-current transmission technology is rapidly improved and is more and more widely applied in some transmission fields. Therefore, as the development direction of the transmission engineering technology, the key point is to research the ultra-high voltage (more than 100 ten thousand volts) alternating current transmission and direct current transmission technology to form a larger power grid; meanwhile, the technical problem of superconductor electric energy transmission is also researched, and in order to prevent the suspension point of the overhead power line from being damaged due to vibration, the wire protecting strip is additionally arranged at the wire clamp of the line conductor, so that the rigidity near the wire clamp is enhanced, the bending, extrusion stress and abrasion of the conductor due to vibration are inhibited, and the vibration resistance of the conductor is improved. The line protecting strip has two types of taper and preformed armor rods. The preformed armor rods are adopted as anti-vibration protection measures in China, and the preformed armor rods are already arranged in hardware fittings products and are aluminum-magnesium-silicon alloy wires.
The existing preformed armor rod is manually rotated through manpower during installation to enable the preformed armor rod to be sleeved on a cable line, when the preformed armor rod is operated at high altitude, the cable line is walked on a high-voltage cable, when the preformed armor rod is rotated by two hands to protect the cable line, the preformed armor rod is very difficult for some novices, the two hands only contact with the cable when the cable line is operated by two feet, the safety of an installer is hardly guaranteed, and the fact that the preformed armor rod is protected during installation by rotating the two hands cannot guarantee firm connection between the cable line and the preformed armor rod.
Disclosure of Invention
The invention aims to solve the problems that the existing preformed armor rod is manually rotated to enable the preformed armor rod to be sleeved on a cable line when being installed, the preformed armor rod walks on a high-voltage cable when being operated at high altitude, the preformed armor rod is very difficult for some novices when being rotated by two hands, the two hands are only contacted with the cable when being operated, the safety of an installer is difficult to guarantee, and the preformed armor rod cannot be firmly connected with the cable when being installed by rotating the two hands.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electric power engineering is with preformed armor rod automatic installation equipment, includes that two are the equipment ring of semicircle type, two be connected through the hinge between the equipment ring, be provided with stranded conductor device in the equipment ring, equipment ring one side lateral wall fixedly connected with connects the semi-ring, a plurality of circular recesses have been seted up on the connecting the semi-ring, be provided with drive arrangement in the circular recess, it establishes the ring to connect the semi-ring tip to be connected with the cover through disengaging device, the cover is established and is provided with fastener on the ring, equipment ring tip is connected with the locking wheel through static guiding device, be provided with the waistband hook on the locking wheel, locking wheel one side is provided with the atress semi-ring, be provided with even atress device on the atress semi-ring.
Preferably, the wire twisting device comprises a semicircular groove with a T-shaped cross section, wherein the semicircular groove is formed in the inner side wall of the assembly ring, a T-shaped limiting ring is connected in the semicircular groove in a sliding mode, the T-shaped limiting ring is connected with the same wire winding semi-ring, and a plurality of wire winding holes are formed in the wire winding semi-ring in an inclined mode.
Preferably, the driving device comprises a rotating shaft rotatably connected to the opposite side walls of the circular groove, the outer side wall of the rotating shaft is fixedly connected with a driving wheel, the rotating shaft is fixedly connected with a power bevel gear, and the power bevel gear is in meshing connection with a transmission bevel gear;
the assembly ring is characterized in that a circular gear groove is formed in the inner side wall of the assembly ring, a transmission shaft penetrating into the circular gear groove is fixedly connected with a transmission bevel gear, a transmission gear is fixedly connected with the other end of the transmission shaft, an annular groove is formed in the outer side wall of the winding semi-ring, and a straight tooth layer is connected with the inner side wall of the annular groove in a meshed mode through the transmission gear.
Preferably, a plurality of slope arcs that are the annular and distribute that fastener fixed connection establishes on the ring tip lateral wall at the cover, slope arc inside wall is provided with conflict arc piece, the thread groove has been seted up to slope arc lateral wall, thread groove threaded connection has the screw thread ring that is the slope and sets up.
Preferably, the disengaging device includes that the arc moving groove on the ring is established to the cover, the arc through-hole has been seted up to arc moving groove bottom, be provided with the arc limiting plate in the arc moving groove, the mounting plate in the arc of arc limiting plate tip fixedly connected with through arc through-hole, the mounting plate tip is provided with spacing in the arc.
Preferably, the end portion of the arc-shaped limiting plate is fixedly connected with a telescopic inner column, the telescopic inner column is slidably connected with a telescopic outer ring, and the end portion of the telescopic outer ring is fixedly connected with the end portion of the connecting semi-ring.
Preferably, the uniform stress device comprises a plurality of guide holes which are uniformly distributed and are arranged on the stress semicircular ring, and a plurality of rolling balls are uniformly arranged on the inner side wall of the stress semicircular ring.
Preferably, static guiding device includes a plurality of links of fixed connection on the equipment ring lateral wall, the link is connected with the wire through the couple, a plurality of atress holes have evenly been seted up on the atress semicircle, the wire runs through the outside extension in atress hole to be connected with the control line jointly, the control line is connected around establishing with the locking wheel.
Preferably, the sleeving ring is formed by connecting two sleeving half rings through a third bolt and nut ring, the assembling rings are connected through a first bolt and nut ring, and the stressed semi-rings are connected through a second bolt and nut ring.
Compared with the prior art, the invention has the beneficial effects that:
establish the ring through setting up the cover, the threaded ring, the combined action of arc limiting plate and slope arc makes the interior mounting plate of arc to protect the lines and carry out the centre gripping with the cable with the preformed armor rod that is located it, thereby make preformed armor rod tip be in fixed state, at this moment, friction through between preformed armor rod and the drive wheel provides power, at power bevel gear, transmission bevel gear, the rotation to the preformed armor rod is realized to transmission shaft and drive gear's combined action under, thereby realize that the preformed armor rod realizes rotating at the in-process that removes, thereby with preformed armor rod spiral winding on the cable, the installation of lines is protected to the preformed armor rod is realized, and at this in-process, need not to operate through both hands, make operating condition safer.
Drawings
Fig. 1 is a schematic structural diagram of an automatic mounting device for a preformed armor rod for electrical engineering according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic cross-sectional view of an assembly block in an automatic pre-twisted wire protecting strip installation device for electrical engineering according to the present invention;
FIG. 5 is a schematic structural view of a section of a sleeved ring in an automatic pre-twisted wire protecting strip mounting device for electrical engineering according to the present invention;
fig. 6 is a schematic front structural view of an automatic mounting device for a preformed armor rod for electrical engineering according to the present invention.
In the figure: the device comprises an assembly ring 1, a connection semi-ring 2, a sleeving ring 3, a locking wheel 4, a belt hook 5, a stressed semi-circular ring 6, a semi-circular groove 7, a limiting ring 8T, a winding semi-ring 9, a winding hole 10, a driving wheel 11, a power bevel gear 12, a transmission bevel gear 13, a transmission shaft 14, a transmission gear 15, a straight tooth layer 16, an inclined arc plate 17, an arc-shaped block 18 in collision, a thread ring 19, an arc-shaped moving groove 20, an arc-shaped limiting plate 21, an arc-shaped inner fastening plate 22, a limiting strip 23, an inner column 24, an outer telescopic ring 25, a guide hole 26, a hanging ring 27, a metal wire 28 and a control wire 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an automatic mounting equipment of pre-twisted wire protection strip for electric power engineering, including two equipment rings 1 that are the semicircle type, be connected through the hinge between two equipment rings 1, be provided with stranded conductor device in the equipment ring 1, furtherly, stranded conductor device is including offering the semicircular groove 7 that the cross-section on the equipment ring 1 inside wall is the T type, sliding connection has T type spacing ring 8 in the semicircular groove 7, two T type spacing ring 8 are connected with same wire winding semi-ring 9 jointly, it is provided with a plurality of slopes and is provided with wire winding hole 10 evenly to set up on the wire winding semi-ring 9.
The side wall of one side of the assembling ring 1 is fixedly connected with a connecting semi-ring 2, the connecting semi-ring 2 is provided with a plurality of circular grooves, and driving devices are arranged in the circular grooves, furthermore, each driving device comprises a rotating shaft which is rotatably connected to the opposite side wall of each circular groove, the outer side wall of each rotating shaft is fixedly connected with a driving wheel 11, a power bevel gear 12 is fixedly connected to each rotating shaft, in order to ensure that the rotating directions of the power bevel gears 12 which are oppositely arranged are consistent, the rotating directions of the power bevel gears 12 which are oppositely arranged are ensured to be positioned on the driving wheels 11 by adjusting the positions of the power bevel gears 12 which; circular gear groove has been seted up to equipment ring 1 inside wall, and transmission bevel gear 13 fixedly connected with runs through to the transmission shaft 14 of circular gear inslot, and transmission shaft 14 other end fixedly connected with drive gear 15, and the annular groove has been seted up to wire winding semi-ring 9 lateral wall, and annular groove inside wall fixedly connected with is connected with straight tooth layer 16 with drive gear 15 meshing.
The end part of the connecting semi-ring 2 is connected with a sleeving ring 3 through a separating device, further, the separating device comprises an arc moving groove 20 formed in the sleeving ring 3, an arc through hole is formed in the bottom of the arc moving groove 20, an arc limiting plate 21 is arranged in the arc moving groove 20, the end part of the arc limiting plate 21 is fixedly connected with an arc inner fastening plate 22 penetrating through the arc through hole, and a limiting strip 23 is arranged at the end part of the arc inner fastening plate 22;
furthermore, the end part of the arc limiting plate 21 is fixedly connected with a telescopic inner column 24, the telescopic inner column 24 is slidably connected with a telescopic outer ring 25, and the end part of the telescopic outer ring 25 is fixedly connected with the end part of the connecting semi-ring 2;
the sleeving ring 3 is provided with a fastening device, further, the fastening device is fixedly connected with a plurality of inclined arc plates 17 which are distributed annularly on the side wall of the end part of the sleeving ring 3, the inner side wall of each inclined arc plate 17 is provided with a collision arc block 18, the outer side wall of each inclined arc plate 17 is provided with a thread groove, and the thread groove is in threaded connection with a thread ring 19 which is arranged obliquely;
the end part of the assembling ring 1 is connected with a locking wheel 4 through an electrostatic guiding device, a waistband hook 5 is arranged on the locking wheel 4, a stress semicircular ring 6 is arranged on one side of the locking wheel 4, and a uniform stress device is arranged on the stress semicircular ring 6;
furthermore, the uniform stress device comprises a plurality of guide holes 26 which are uniformly distributed and arranged on the stress semicircular ring 6, a plurality of rolling balls are uniformly arranged on the inner side wall of the stress semicircular ring 6, and friction is reduced by arranging the rolling balls;
further, static guiding device includes a plurality of links 27 of fixed connection on the 1 lateral wall of equipment ring, link 27 is connected with wire 28 through the couple, a plurality of atress holes have evenly been seted up on the atress semicircle ring 6, wire 28 runs through the outside extension in atress hole to be connected with control line 29 jointly, control line 29 is connected around establishing with locking wheel 4, will shift the human body at the static that the installation in-process equipment produced through setting up control line, wire, link, dispel through human protective clothing.
The cover is established the ring 3 and is established the semi-ring for two covers and is connected through third bolt and nut ring and constitute, assembles and is connected through first screw and nut ring between the ring 1, is connected through second screw and nut ring between the atress semi-ring 6, screw ring 19 is two semi-ring body group one-tenth, and its cross section department is provided with relative rectangular block and the rectangular channel that sets up, realizes connecting, guarantees when rotatory, can avoid appearing breaking away from through the stress that rectangular block and rectangular channel produced.
In the use process, a waistband hook arranged on a locking wheel 4 is connected with a waistband, meanwhile, a sleeved ring 3 is butted through a third bolt nut ring, an assembly ring 1 is butted through the first bolt nut ring, and a stressed semicircular ring is connected through the second bolt nut ring, so that the assembly ring is connected into a whole to be sleeved on a cable needing pre-twisted wire protection strip installation, and installation is realized;
at this time, the ends of the pre-twisted wire protection strips are in close contact with the cable according to a specified angle, the other end of the pre-twisted wire protection strips passes through the winding hole formed in the winding semi-ring 9 and passes through the guide hole 26 formed in the stressed semi-ring 6, the thread ring 19 arranged on the sleeving ring 3 is rotated, so that the thread ring 19 moves to the side far away from the sleeving ring 3, under the action of the obliquely arranged thread ring 19, the oblique arc-shaped plate 17 can generate inward bending force, under the action of the inward bending force generated by the oblique arc-shaped plates 17, the arc-shaped inner fastening plate 22 is driven by the arc-shaped block 18 to move towards the circuit, so that the pre-twisted wire protection strips and the cable generate pressure, so that the ends of the pre-twisted wire protection strips are in a clamped state under the combined action of the cable and the arc-shaped inner fastening plate 22, at this time, a worker walks on the cable, and the waistband of the worker can pull, the control line drives the metal wire 28 to pull the assembly ring 1 under the action of the stressed semi-ring 6, so that the assembly ring 1 and the connecting semi-ring 2 move;
when the connecting semi-ring 2 moves on the cable, the driving wheel 11 arranged on the connecting semi-ring 2 can be in contact with the preformed armor rod on the cable, the rotation of the driving wheel 11 is realized through the friction of the preformed armor rod, so that the driving wheel 11 drives the rotating shaft to rotate, the rotating shaft drives the power bevel gear 12 and the transmission bevel gear 13 to rotate when rotating, the transmission gear 15 drives the straight tooth layer arranged on the outer side wall of the winding semi-ring 9 to rotate, the preformed armor rod in the winding hole in the winding semi-ring 9 rotates, the preformed armor rod rotates in the moving process, and the preformed armor rod is obliquely wound on the cable to realize the protection of the cable;
when connecting semi-ring 2 and removing, can make a plurality of flexible outer loops 25 and flexible inner prop 24 of being connected with connecting semi-ring 2 remove, make and remove with flexible inner prop 24 fixed connection's arc limiting plate 21, thereby make arc limiting plate 21 drive in the arc mounting plate 22 remove, when mounting plate 22 removes in the arc, can break away from with conflict arc piece 18 gradually, thereby make conflict arc piece 18 and preformed armor wire protect and produce the space between the line, at this moment, fastener can't protect the line with the preformed armor wire and contact, preformed armor wire protects the line this moment and has realized a lot of winding with the cable, at this moment, need not to remove through fastener, fastener and preformed armor wire protect the line and break away from by oneself, thereby it carries out manual breaking away from to need not the installer to return again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. An automatic mounting device of a preformed armor rod for power engineering is characterized by comprising two semicircular assembling rings (1), wherein the two assembling rings (1) are connected through a hinge, a wire twisting device is arranged in the assembling ring (1), a connecting semi-ring (2) is fixedly connected with the side wall of one side of the assembling ring (1), the connecting semi-ring (2) is provided with a plurality of circular grooves, the circular grooves are internally provided with driving devices, the end part of the connecting semi-ring (2) is connected with a sleeving ring (3) through a separating device, the sleeving ring (3) is provided with a fastening device, the end part of the assembling ring (1) is connected with a locking wheel (4) through an electrostatic guiding device, the waistband buckle is characterized in that a waistband hook (5) is arranged on the locking wheel (4), a stressed semicircular ring (6) is arranged on one side of the locking wheel (4), and an even stress device is arranged on the stressed semicircular ring (6).
2. The automatic installation equipment of the pre-twisted wire protection strip for the electric power engineering according to claim 1, wherein the wire twisting device comprises a semicircular groove (7) which is formed in the inner side wall of the assembly ring (1) and has a T-shaped cross section, the semicircular groove (7) is internally slidably connected with a T-shaped limiting ring (8), two T-shaped limiting rings (8) are commonly connected with the same wire winding semi-ring (9), and a plurality of wire winding holes (10) are uniformly formed in the wire winding semi-ring (9) in an inclined manner.
3. The automatic installation equipment of the pre-twisted wire protecting strip for the electric power engineering as claimed in claim 2, wherein the driving device comprises a rotating shaft rotatably connected to the opposite side walls of the circular groove, the outer side wall of the rotating shaft is fixedly connected with a driving wheel (11), the rotating shaft is fixedly connected with a power bevel gear (12), and the power bevel gear (12) is in meshing connection with a transmission bevel gear (13);
circular gear groove has been seted up to equipment ring (1) inside wall, transmission bevel gear (13) fixedly connected with runs through to transmission shaft (14) in the circular gear groove, transmission shaft (14) other end fixedly connected with drive gear (15), the annular groove has been seted up to wire winding semi-ring (9) lateral wall, annular groove inside wall fixedly connected with is connected with straight tooth layer (16) with drive gear (15) meshing.
4. The automatic installation equipment of the pre-twisted wire protection strip for the electric power engineering as claimed in claim 1, wherein the fastening device is fixedly connected to a plurality of inclined arc plates (17) which are distributed annularly on the side wall of the end portion of the sleeve-setting ring (3), the inner side wall of each inclined arc plate (17) is provided with a collision arc block (18), the outer side wall of each inclined arc plate (17) is provided with a thread groove, and the thread groove is in threaded connection with a thread ring (19) which is arranged obliquely.
5. The automatic installation equipment of pre-twisted wire protecting strip for electric power engineering according to claim 1, characterized in that the separation device comprises an arc moving groove (20) formed in the sleeve setting ring (3), an arc through hole is formed in the bottom of the arc moving groove (20), an arc limiting plate (21) is arranged in the arc moving groove (20), an arc inner fastening plate (22) penetrating through the arc through hole is fixedly connected to the end portion of the arc limiting plate (21), and a limiting strip (23) is arranged at the end portion of the arc inner fastening plate (22).
6. The automatic installation equipment of the pre-twisted wire protecting strip for the electric power engineering as claimed in claim 5, wherein the end of the arc-shaped limiting plate (21) is fixedly connected with a telescopic inner column (24), the telescopic inner column (24) is slidably connected with a telescopic outer ring (25), and the end of the telescopic outer ring (25) is fixedly connected with the end of the connecting semi-ring (2).
7. The automatic installation equipment of the pre-twisted wire protecting strip for the electric power engineering as claimed in claim 1, wherein the uniform stress device comprises a plurality of guide holes (26) which are uniformly distributed and arranged on a stress semicircular ring (6), and a plurality of rolling balls are uniformly arranged on the inner side wall of the stress semicircular ring (6).
8. The automatic installation equipment of the preformed armor rod for the electric power engineering as claimed in claim 1, wherein the static guiding device comprises a plurality of hanging rings (27) fixedly connected to the outer side wall of the assembling ring (1), the hanging rings (27) are connected with metal wires (28) through hooks, a plurality of stress holes are uniformly formed in the stress semicircular ring (6), the metal wires (28) extend outwards through the stress holes and are commonly connected with control wires (29), and the control wires (29) are wound around the locking wheels (4) to be connected.
9. The automatic installation equipment of the pre-twisted wire protecting strip for the electric power engineering as claimed in claim 1, wherein the sleeved rings (3) are formed by connecting two sleeved half rings through a third bolt and nut ring, the assembled rings (1) are connected through a first bolt and nut ring, and the stressed half rings (6) are connected through a second bolt and nut ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839239.3A CN111884127B (en) | 2020-08-19 | 2020-08-19 | Automatic mounting equipment for pre-twisted wire protection line for electric power engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839239.3A CN111884127B (en) | 2020-08-19 | 2020-08-19 | Automatic mounting equipment for pre-twisted wire protection line for electric power engineering |
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| CN111884127A true CN111884127A (en) | 2020-11-03 |
| CN111884127B CN111884127B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010839239.3A Active CN111884127B (en) | 2020-08-19 | 2020-08-19 | Automatic mounting equipment for pre-twisted wire protection line for electric power engineering |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112337956A (en) * | 2020-11-11 | 2021-02-09 | 吴开菊 | Protect lines recovery unit based on metal intrinsic characteristic |
| CN112864934A (en) * | 2020-12-17 | 2021-05-28 | 贵州电网有限责任公司 | Transmission line broken strand repair cone-barrel-shaped winding reinforcing device |
| CN114024255A (en) * | 2021-10-30 | 2022-02-08 | 国网辽宁省电力有限公司丹东供电公司 | Automatic mounting equipment for pre-twisted wire protection line for electric power engineering |
| CN114039318A (en) * | 2021-11-02 | 2022-02-11 | 西格码电气股份有限公司 | Strain clamp equipment for electric power engineering |
| CN115980953A (en) * | 2022-12-21 | 2023-04-18 | 广东电网有限责任公司汕尾供电局 | Communication cable processing apparatus for electric power capital construction engineering |
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| CN115980953A (en) * | 2022-12-21 | 2023-04-18 | 广东电网有限责任公司汕尾供电局 | Communication cable processing apparatus for electric power capital construction engineering |
| CN115980953B (en) * | 2022-12-21 | 2023-09-22 | 广东电网有限责任公司汕尾供电局 | Communication cable processing device for electric power capital construction engineering |
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Effective date of registration: 20210720 Address after: 1122 Yuanshen Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Address before: 246000 No. 10, Yaogang group, Nantian village, ZHUBO Town, Yuexi County, Anqing City, Anhui Province Applicant before: Chen Jintao |
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