CN110733971B - Iron tower crane lifting arm - Google Patents
Iron tower crane lifting arm Download PDFInfo
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- CN110733971B CN110733971B CN201911024752.0A CN201911024752A CN110733971B CN 110733971 B CN110733971 B CN 110733971B CN 201911024752 A CN201911024752 A CN 201911024752A CN 110733971 B CN110733971 B CN 110733971B
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- iron tower
- plate
- fixed plate
- fixedly connected
- contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to the technical field of overhead transmission line equipment, and particularly relates to an iron tower crane lifting arm; the connecting device comprises two connecting arms, wherein one ends of the two connecting arms are fixedly connected with peripheral plates, and the two peripheral plates form a circular ring in a surrounding manner; the peripheral plates are fixedly connected with a plurality of hydraulic rods which are positioned on the inner side of a ring formed by the two peripheral plates; one end of the hydraulic rod, which is far away from the peripheral plate, is fixedly connected with a fixed plate; the two outer peripheral plates are driven by the two connecting arms to surround the iron tower, the hydraulic rods push the fixing plates to be in contact with the iron tower and to be squeezed tightly after the hydraulic rods are controlled to extend, and the iron tower is finally fixed.
Description
Technical Field
The invention belongs to the technical field of overhead transmission line equipment, and particularly relates to a lifting arm of an iron tower crane.
Background
An overhead transmission line iron tower is a structure for supporting a lead and a lightning conductor of a high-voltage or ultrahigh-voltage overhead transmission line. The traditional method for erecting the iron tower of the overhead transmission line is characterized in that the iron tower is erected continuously upwards through one angle steel, a large amount of manpower and time are consumed when the method is adopted for erecting the iron tower, a special crane is used for hoisting and placing the erected iron tower, a hoisting arm on the crane is of a structure similar to a wrench shape, and the crane is hoisted upwards after the iron tower is clamped tightly.
In view of the fact that the existing hoisting arm is clamped leftwards and rightwards when being clamped, when the moving speed is high, an iron tower is easy to incline, the bottom end of the iron tower is not easy to align to a mounting base after being hoisted to a mounting position, and mounting difficulty is increased, the invention provides the hoisting arm of the iron tower crane, which can enable the iron tower to be in a vertical state when the iron tower is hoisted, and reduce mounting difficulty.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an iron tower crane jib, which mainly drives two peripheral plates to surround an iron tower through two connecting arms, meanwhile, a fixed plate is pushed by hydraulic rods to be in contact with the iron tower and be tightly squeezed, and the iron tower is fixed by a plurality of hydraulic rods from the periphery, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the lifting arm of the iron tower crane comprises two connecting arms, wherein one ends of the two connecting arms are fixedly connected with peripheral plates, and the two peripheral plates enclose a circular ring; the peripheral plates are fixedly connected with a plurality of hydraulic rods which are positioned on the inner side of a ring formed by the two peripheral plates; one end of the hydraulic rod, which is far away from the peripheral plate, is fixedly connected with a fixed plate, and one surface of the fixed plate, which is far away from the hydraulic rod, is fixedly connected with a protruding strip; when the lifting arm on the crane works, the lifting arm is of a structure similar to a wrench, the iron tower is lifted upwards after being clamped, the iron tower is clamped leftwards and rightwards during clamping, when the speed is too high in the moving process, the iron tower is easy to incline, therefore, the two peripheral plates are respectively connected through the two connecting arms, the two peripheral plates enclose a circular ring, the two connecting arms are connected on the power arm of the crane, the power arm of the crane drives the connecting arms to drive the two peripheral plates to enclose the iron tower, the hydraulic rod is electrically connected with the control button on the crane, the hydraulic rod pushes the fixing plate to be in contact with the iron tower to be squeezed tightly by controlling the extension of the hydraulic rod, the fixation of the iron tower is finally completed, the iron towers with different sizes can be lifted, the iron tower is fixed by the plurality of hydraulic rods from the periphery, and no matter how fast the speed is in the moving process when, can both have the support to the iron tower all around, make the iron tower be in vertical state, prevent the difficult condition of aiming at the mounting base in iron tower bottom, the degree of difficulty of installation has been reduced, simultaneously in order to make the area of contact increase of fixed plate and iron tower, reduce the slip between fixed plate and the iron tower, consequently make slight arc with the fixed plate when producing, the fixed plate contacts the back with cylindric iron tower, can have two positions and iron tower contact, protruding strip has been linked firmly in fixed plate both ends department simultaneously, the contact site with the iron tower has further been increased, firmness when having improved to hang.
Preferably, a T-shaped groove is formed in the fixed plate, extending plates are inserted into two openings of the T-shaped groove, which are positioned at two ends of the fixed plate in the horizontal direction, an extrusion rod is inserted into an opening of the T-shaped groove, which is far away from the peripheral plate, one end of the extrusion rod, which is positioned in the T-shaped groove, is fixedly connected with a return spring, and the return spring is fixedly connected with the fixed plate; the in-process that the hydraulic stem promoted the fixed plate and is close to with the iron tower, and the back is blockked by the iron tower to the stripper bar, and the hydraulic stem moves to T type inslot side, compresses return spring, presses the gas in T type inslot simultaneously, and the gas that is pressed makes extension plate move to the T type inslot outside, finally extension plate tip and iron tower contact, further increased with the area of contact of iron tower, the extension plate can be to iron tower ascending frictional force, firmness when having improved the jack-up.
Preferably, the extension plate is provided with a chute, an included angle between an extension line at the top end of the chute and the peripheral plate is an acute angle, a plurality of sections of plates matched with the chute are arranged in the chute, the bottom of each section of plate is fixedly connected with a strong magnet, and the bottom of the strong magnet is arc-shaped; after extension board and chute contact, the strong magnet of multistage board bottom receives the effect of iron tower and is close to the iron tower, it slides in the chute to drive the multistage board, final strong magnet attracts on the iron tower, upwards draw holding power to the iron tower, after hydraulic stem drive fixed plate breaks away from the iron tower, when level pulling multistage board kept away from the iron tower, the strong magnet becomes the tilt state by vertical state, the convex bottom of final strong magnet breaks away from the iron tower at last, the area of contact of convex strong magnet bottom and iron tower is little, during the horizontal direction application of force, the strong magnet conveniently breaks away from the iron tower.
Preferably, the multi-section plate adjacent to the strong magnet is subjected to sanding treatment, and frosted paint is sprayed on the sanded multi-section plate; multistage board is through dull polish processing back, and when strong magnet drove multistage board and iron tower and pastes tightly, can have stronger frictional force between multistage board and the iron tower, and spraying dull polish lacquer is gone up to the multistage board after the dull polish processing simultaneously, through the anti-skidding effect of dull polish lacquer, further improves the friction effect.
Preferably, an arc-shaped reinforcing rod is fixedly connected between every two adjacent hydraulic rods; in the process of hoisting the iron tower and moving, when wind applies force to the iron tower, the pressure of one of the hydraulic rods is large by the iron tower, after the arc-shaped reinforcing rods are fixedly connected between two adjacent hydraulic rods, a plurality of hydraulic rods can form a whole, part of force is applied to other hydraulic rods through the action of the arc-shaped reinforcing rods, and the stability of connection between the hydraulic rods and the peripheral plate is improved.
Preferably, both sides of the most convex part of each convex strip are fixedly connected with a contact strip, and the middle part of each contact strip is provided with a plurality of notches; after the two sides of the most convex part of each convex strip are fixedly connected with the contact strips, the contact area between each convex strip and the iron tower is further increased, when the iron tower is lifted and moves, the peripheral plate is in an inclined state, the contact strips and the iron tower have force parallel to the peripheral plate, the contact strips and the convex strips are easy to break and loosen, the contact strips are provided with a plurality of openings and are divided into a plurality of sections, even if the contact strips and the convex strips are loosened, after one section of the contact strips breaks, the rest of the contact strips cannot fall off from the convex strips.
The invention has the technical effects and advantages that:
1. according to the crane jib for the iron tower, the two peripheral plates are driven by the two connecting arms to surround the iron tower, after the hydraulic rods are controlled to extend, the hydraulic rods push the fixing plates to be in contact with the iron tower and to be squeezed tightly, and the iron tower is finally fixed.
2. According to the lifting arm of the iron tower crane, in the process that the fixed plate is pushed to approach the iron tower through the hydraulic rod, after the extrusion rod is blocked by the iron tower, the hydraulic rod moves towards the inner side of the T-shaped groove, the return spring is compressed, meanwhile, gas in the T-shaped groove is pressed, the pressed gas enables the extension plate to move towards the outer side of the T-shaped groove, finally, the end part of the extension plate is in contact with the iron tower, the contact area with the iron tower is further increased, the extension plate can have upward friction force on the iron tower, and the firmness in lifting is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3 according to the present invention;
in the figure: the device comprises a connecting arm 1, a peripheral plate 2, a hydraulic rod 3, a fixing plate 4, a protruding strip 5, a T-shaped groove 6, an extension plate 7, an extrusion rod 8, a chute 9, a multi-section plate 10, a strong magnet 11, an arc-shaped reinforcing rod 12, a contact strip 13 and a notch 14.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, the lifting arm of the iron tower crane comprises two connecting arms 1, wherein one end of each of the two connecting arms 1 is fixedly connected with a peripheral plate 2, and the two peripheral plates 2 enclose a circular ring; the peripheral plates 2 are fixedly connected with a plurality of hydraulic rods 3, and the plurality of hydraulic rods 3 are positioned on the inner side of a circular ring formed by the two peripheral plates 2; one end of the hydraulic rod 3, which is far away from the peripheral plate 2, is fixedly connected with a fixed plate 4, and one surface of the fixed plate 4, which is far away from the hydraulic rod 3, is fixedly connected with a protruding strip 5; when the crane works, the lifting arm on the crane is of a structure similar to a wrench, the crane lifts the iron tower upwards after clamping the iron tower, the iron tower is clamped leftwards and rightwards during clamping, when the speed is too high in the moving process, the iron tower is easy to incline, therefore, the two outer peripheral plates 2 are respectively connected through the two connecting arms 1, the two outer peripheral plates 2 enclose a circular ring, the two connecting arms 1 are connected on the power arm of the crane, the power arm of the crane drives the connecting arms 1, the connecting arms 1 drive the two outer peripheral plates 2 to enclose the iron tower therein, the hydraulic rod 3 is electrically connected with a control button on the crane, the hydraulic rod 3 pushes the fixing plate 4 to be tightly contacted with the iron tower by controlling the extension of the hydraulic rod 3, and finally the fixation of the iron tower is finished, thereby not only the iron towers with different sizes can be lifted, but also the iron towers are fixed by the plurality of hydraulic rods, move the in-process no matter how fast, all around can both have the support to the iron tower, make the iron tower be in vertical state, prevent the difficult condition of aiming at the mounting base in iron tower bottom, the degree of difficulty of installation has been reduced, simultaneously in order to make the area of contact increase of fixed plate 4 and iron tower, reduce the slip between fixed plate 4 and the iron tower, consequently do slight arc with fixed plate 4 when producing, fixed plate 4 contacts the back with cylindric iron tower, can have two positions and iron tower contact, protruding strip 5 has been linked firmly in fixed plate 4 both ends department simultaneously, the contact site with the iron tower has further been increased, the fastness when lifting up has been improved.
A T-shaped groove 6 is formed in the fixed plate 4, two openings of the T-shaped groove 6, which are positioned at two ends of the fixed plate 4 in the horizontal direction, are respectively inserted with an extension plate 7, an extrusion rod 8 is inserted at an opening of the T-shaped groove 6, which is far away from the peripheral plate 2, one end of the extrusion rod 8, which is positioned in the T-shaped groove 6, is fixedly connected with a return spring, and the return spring is fixedly connected with the fixed plate 4; the in-process that hydraulic stem 3 promoted fixed plate 4 and iron tower and be close to, the back is blockked by the iron tower to the squeeze bar 8, hydraulic stem 3 moves to 6 inboards in T type groove, compress return spring, press the gas in the T type groove 6 simultaneously, the gas that is pressed makes extension plate 7 move to the 6 outsides of T type groove, finally extension plate 7 tip and iron tower contact, further increased the area of contact with the iron tower, extension plate 7 can be to the ascending frictional force of iron tower, fastness when having improved and having hoisted.
The extension plate 7 is provided with a chute 9, the extension line at the top end of the chute 9 and the peripheral plate 2 form an acute angle, a plurality of sections of plates 10 matched with the chute 9 are arranged in the chute 9, the bottom of each section of plate 10 is fixedly connected with a strong magnet 11, and the bottom of each strong magnet 11 is arc-shaped; after extension board 7 and chute 9 contact, strong magnet 11 of multistage board 10 bottom receives the effect of iron tower and is close to the iron tower, it slides in chute 9 to drive multistage board 10, final strong magnet 11 attracts on the iron tower, upwards draw holding power to the iron tower, after hydraulic stem 3 drives fixed plate 4 and breaks away from the iron tower, when horizontal pulling multistage board 10 kept away from the iron tower, strong magnet 11 becomes the tilt state by vertical state, final strong magnet 11 convex bottom breaks away from the iron tower at last, convex strong magnet 11 bottom is little with the area of contact of iron tower, during the horizontal direction application of force, strong magnet 11 conveniently breaks away from the iron tower.
The multi-section plate 10 adjacent to the strong magnet 11 is subjected to sanding treatment, and frosted paint is sprayed on the sanded multi-section plate 10; multistage board 10 is through dull polish processing back, and when strong magnet 11 drove multistage board 10 and iron tower and pastes tightly, can have stronger frictional force between multistage board 10 and the iron tower, and spraying abrasive coating is gone up to multistage board 10 after the dull polish processing simultaneously, through abrasive coating's anti-skidding effect, further improves friction effect.
An arc-shaped reinforcing rod 12 is fixedly connected between every two adjacent hydraulic rods 3; in the process of hoisting the iron tower and moving, when wind applies force to the iron tower, the pressure of one of the hydraulic rods 3 is large, after the arc-shaped reinforcing rods 12 are fixedly connected between two adjacent hydraulic rods 3, the hydraulic rods 3 can form a whole, part of force is applied to other hydraulic rods 3 through the action of the arc-shaped reinforcing rods 12, and the stability of connection between the hydraulic rods 3 and the peripheral plate 2 is improved.
Both sides of the most convex part of the convex strip 5 are fixedly connected with contact strips 13, and the middle parts of the contact strips 13 are provided with a plurality of notches 14; after the two sides of the most convex part of each convex strip 5 are fixedly connected with the contact strips 13, the contact area between each convex strip 5 and the iron tower is further increased, the iron tower is lifted and moved, the peripheral plate 2 is in an inclined state, the contact strips 13 and the iron tower have force parallel to the peripheral plate 2, the contact strips 13 and the convex strips 5 are easy to break and loosen, the contact strips 13 are provided with a plurality of openings 14, the contact strips 13 are divided into a plurality of sections, even if the contact strips 13 and the convex strips 5 are loosened, and after one section of the contact strips breaks, the rest contact strips 15 cannot fall off from the convex strips 5.
When the crane works, the lifting arm on the crane is of a structure similar to a wrench, the crane lifts the iron tower upwards after clamping the iron tower, the iron tower is clamped leftwards and rightwards during clamping, when the speed is too high in the moving process, the iron tower is easy to incline, therefore, the two outer peripheral plates 2 are respectively connected through the two connecting arms 1, the two outer peripheral plates 2 enclose a circular ring, the two connecting arms 1 are connected on the power arm of the crane, the power arm of the crane drives the connecting arms 1, the connecting arms 1 drive the two outer peripheral plates 2 to enclose the iron tower therein, the hydraulic rod 3 is electrically connected with a control button on the crane, the hydraulic rod 3 pushes the fixing plate 4 to be tightly contacted with the iron tower by controlling the extension of the hydraulic rod 3, and finally the fixation of the iron tower is finished, thereby not only the iron towers with different sizes can be lifted, but also the iron towers are fixed by the plurality of hydraulic rods, move the in-process no matter how fast, all around can both have the support to the iron tower, make the iron tower be in vertical state, prevent the difficult condition of aiming at the mounting base in iron tower bottom, the degree of difficulty of installation has been reduced, simultaneously in order to make the area of contact increase of fixed plate 4 and iron tower, reduce the slip between fixed plate 4 and the iron tower, consequently do slight arc with fixed plate 4 when producing, fixed plate 4 contacts the back with cylindric iron tower, can have two positions and iron tower contact, protruding strip 5 has been linked firmly in fixed plate 4 both ends department simultaneously, the contact site with the iron tower has further been increased, the fastness when lifting up has been improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides an iron tower crane jib, its characterized in that: the connecting device comprises two connecting arms (1), wherein one ends of the two connecting arms (1) are fixedly connected with peripheral plates (2), and the two peripheral plates (2) enclose a circular ring; the peripheral plates (2) are fixedly connected with a plurality of hydraulic rods (3), and the plurality of hydraulic rods (3) are positioned on the inner side of a circular ring formed by the two peripheral plates (2); one end of the hydraulic rod (3) far away from the peripheral plate (2) is fixedly connected with a fixed plate (4), and one surface of the fixed plate (4) far away from the hydraulic rod (3) is fixedly connected with a protruding strip (5);
a T-shaped groove (6) is formed in the fixed plate (4), extending plates (7) are inserted into two openings of the T-shaped groove (6) which are positioned at two ends of the fixed plate (4) in the horizontal direction, an extrusion rod (8) is inserted into an opening of the T-shaped groove (6) which is far away from the peripheral plate (2), one end of the extrusion rod (8) which is positioned in the T-shaped groove (6) is fixedly connected with a return spring, and the return spring is fixedly connected with the fixed plate (4); in the process that the fixed plate (4) is pushed to be close to the iron tower by the hydraulic rod (3), after the extrusion rod (8) is blocked by the iron tower, the hydraulic rod (3) moves towards the inner side of the T-shaped groove (6) to compress the return spring, meanwhile, gas in the T-shaped groove (6) is pressed, the pressed gas enables the extension plate (7) to move towards the outer side of the T-shaped groove (6), finally, the end part of the extension plate (7) is in contact with the iron tower, the contact area of the extension plate (7) and the iron tower is further increased, the extension plate (7) can have upward friction force on the iron tower, and the firmness in hoisting is improved;
the extension plate (7) is provided with a chute (9), the extension line at the top end of the chute (9) and the peripheral plate (2) form an acute angle, a plurality of sections of plates (10) matched with the chute (9) are arranged in the chute (9), the bottom of each section of plate (10) is fixedly connected with a strong magnet (11), and the bottom of each strong magnet (11) is arc-shaped;
the multi-section plate (10) adjacent to the strong magnet (11) is subjected to sanding treatment, and frosted paint is sprayed on the sanded multi-section plate (10);
an arc-shaped reinforcing rod (12) is fixedly connected between every two adjacent hydraulic rods (3);
both sides of the most convex part of the convex strip (5) are fixedly connected with contact strips (13), and the middle parts of the contact strips (13) are provided with a plurality of notches (14);
when the lifting device works, a lifting arm on a crane clamps an iron tower and then lifts the iron tower upwards, the iron tower is clamped leftwards and rightwards during clamping, when the speed is too high in the moving process, the iron tower is easy to incline, the two outer peripheral plates (2) are respectively connected through the two connecting arms (1), the two outer peripheral plates (2) enclose into a circular ring, the two connecting arms (1) are connected to a power arm of the crane, the power arm of the crane drives the connecting arms (1), the connecting arms (1) drive the two outer peripheral plates (2) to enclose the iron tower therein, the hydraulic rod (3) is electrically connected with a control button on the crane, the hydraulic rod (3) pushes the fixing plate (4) to be in contact with the iron tower and to be squeezed tightly by controlling the extension of the hydraulic rod (3), the fixing of the iron tower is finally completed, the iron towers with different sizes can be lifted, and the iron towers are fixed by the plurality, when the crane drives this lifting arm to move, no matter how fast the moving process is, can both have the support to the iron tower all around, make the iron tower be in vertical state, prevent the difficult condition of aiming at the mounting base of iron tower bottom, the degree of difficulty of installation has been reduced, simultaneously in order to make the area of contact increase of fixed plate (4) and iron tower, reduce the slip between fixed plate (4) and the iron tower, consequently, do slight arc with fixed plate (4) when production, fixed plate (4) and cylindric iron tower contact back, can have two positions and iron tower contact, it has protruding strip (5) to link firmly in fixed plate (4) both ends department simultaneously, the contact site with the iron tower has further been increased, the fastness when having improved to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024752.0A CN110733971B (en) | 2019-10-25 | 2019-10-25 | Iron tower crane lifting arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024752.0A CN110733971B (en) | 2019-10-25 | 2019-10-25 | Iron tower crane lifting arm |
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| Publication Number | Publication Date |
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| CN110733971A CN110733971A (en) | 2020-01-31 |
| CN110733971B true CN110733971B (en) | 2020-12-15 |
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| CN201911024752.0A Active CN110733971B (en) | 2019-10-25 | 2019-10-25 | Iron tower crane lifting arm |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836636A (en) * | 2015-01-15 | 2016-08-10 | 三汽车起重机械有限公司 | Hold hoop of climbing crane and climbing crane |
| CN107055358A (en) * | 2017-04-21 | 2017-08-18 | 成都来宝石油设备有限公司 | Reduce the outdoor installation mechanism rocked during petroleum pipeline lifting |
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Effective date of registration: 20201127 Address after: 239400 east of qingpingshan road and north of Chihe Avenue, Mingguang Economic Development Zone, Chuzhou City, Anhui Province Applicant after: MINGGUANG LEADTOP INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 233000 Bengbu College, 801 Shengli East Road, Bengbu City, Anhui Province Applicant before: Qian Bairong |
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Effective date of registration: 20230420 Address after: No. 2398, Mingcang Road, Chuzhou City, Anhui Province Patentee after: Mingguang Jiuzhi Intellectual Property Management Co.,Ltd. Address before: 239400 East of Qingpingshan Road, Mingguang Economic Development Zone, Mingguang City, Chuzhou City, Anhui Province, north of Chihe Avenue Patentee before: MINGGUANG LEADTOP INTELLIGENT TECHNOLOGY Co.,Ltd. |
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