CN113772234A - Wind power tower cylinder transportation is with preventing device of turning on one's side - Google Patents
Wind power tower cylinder transportation is with preventing device of turning on one's side Download PDFInfo
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- CN113772234A CN113772234A CN202110976238.8A CN202110976238A CN113772234A CN 113772234 A CN113772234 A CN 113772234A CN 202110976238 A CN202110976238 A CN 202110976238A CN 113772234 A CN113772234 A CN 113772234A
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- power tower
- wind power
- tower cylinder
- tilting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
- B65D25/101—Springs, elastic lips, or other resilient elements to locate the articles by pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/07—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the technical field of wind power equipment, and discloses a rollover prevention device for wind power tower cylinder transportation. According to the invention, through the anti-tilting pocket body, when the wind power tower cylinder body rolls, the surface of the anti-tilting pocket body is extruded, so that the balancing weight moves forwards, the whole wind power tower cylinder body is ensured to be in a balanced and stable state, when the tilting angle of the wind power tower cylinder body is overlarge, the first spring rebounds and contracts, and gas is forced to flow upwards quickly, so that the wind power tower cylinder body stops tilting and returns to the original position inwards, the side-turning accident of a truck caused by the overlarge tilting angle of the wind power tower cylinder body is effectively avoided, and the impact of vibration on the wind power tower cylinder body is effectively buffered by utilizing the magnetic repulsion force between the upper magnetic plate and the lower magnetic plate.
Description
Technical Field
The invention relates to the technical field of wind power equipment, in particular to a side turning prevention device for wind power tower cylinder transportation.
Background
The wind power tower barrel is a tower pole for wind power generation, mainly plays a supporting role in a wind power generation set, can absorb the vibration of the set, is carried by a large truck mostly in the prior art for transportation of the wind power tower barrel, is bound on a carrying platform at the rear end of the truck through a rope, and is transported to a wind power generation construction site by manually driving the truck.
In the transportation process of the existing wind power tower cylinder, the condition that a truck runs in a curved road or a sharp bend exists, when the truck makes a large turn, the wind power tower barrel rolls to one side and has a tendency of toppling, the existing fixing device is generally a rope or a simple support structure, the device cannot effectively prevent the wind power tower cylinder from inclining or rolling, because the self gravity of the wind power tower cylinder is far greater than that of the truck, when the inclination angle of the wind power tower barrel is too large, the truck is easy to have side-turning accidents, and simultaneously, the barrel of the wind power tower is broken, further leading to the problem that the function of the truck is scrapped and the truck can not be used any more, and in addition, when the truck travels to uneven sections in the transportation process, because the prior truck has no buffer device, the bottom end of the wind power tower body cannot be effectively buffered and damped, the wind power tower body is damaged by vibration, and the surface of the wind power tower body is broken in serious cases.
Disclosure of Invention
Aiming at the defects of the existing wind power tower cylinder transportation in the use process in the background art, the invention provides the rollover prevention device for the wind power tower cylinder transportation, which has the advantages of effectively preventing the wind power tower cylinder from toppling and rollover and keeping the bottom end of the wind power tower cylinder to be effectively buffered, and solves the technical problems in the background art.
The invention provides the following technical scheme: the utility model provides a wind power tower cylinder transportation is with preventing device of turning on one's side, includes the wind power tower barrel, the outside both sides difference fixed mounting of wind power tower barrel has the protective film, the outside fixed mounting of protective film has fixed suction cup, one side fixed mounting of fixed suction cup has prevents the utricule of inclining, the bottom fixedly connected with of preventing the utricule supports the shell, the inner chamber upper portion movable mounting who supports the shell has two piston plates, the inner chamber bottom both ends movable mounting who supports the shell has two first springs, two the one end fixed mounting of first spring has the balancing weight, the one end fixed mounting of balancing weight has the magnetic sheet, the bottom inner chamber middle part fixed mounting who supports the shell has last magnetic sheet, the bottom fixed mounting who goes up the magnetic sheet has the second spring, the bottom fixed mounting of second spring has down the magnetic sheet.
Preferably, the shape of the protective layer film is semi-arc, the arc value of the protective layer film is consistent with that of the two sides of the wind power tower cylinder, and the protective layer film is a flexible body and has viscosity on the surface.
Preferably, the fixed sucker is rectangular, and the inner cavity of the fixed sucker is in a vacuum state.
Preferably, the anti-tipping bag body is in an L shape, and the anti-tipping bag body has reversible deformability.
Preferably, the support case is formed in a U-shape, an inner cavity between the support case and the anti-tilt bladder body is filled with gas, and inner cavities between the bottom ends of the piston plates and one end of the first spring at both sides of the support case are filled with liquid.
Preferably, the magnetic sheet has magnetism and is rectangular in shape, and the length and width values of the magnetic sheet are the same as those of one end surface of the counterweight block.
Preferably, the upper magnetic plate and the lower magnetic plate are rectangular in shape, have magnetism, and have the same magnetism, and are opposite to the magnetic sheets.
The invention has the following beneficial effects:
1. according to the invention, by utilizing the reversible deformation of the anti-tilting bag body, when the wind power tower cylinder body rolls, the surface of the anti-tilting bag body is extruded, the gas in the inner cavity of the anti-tilting bag body is forced to downwards extrude the piston plate, so that the piston plate moves downwards, the balancing weight is forced to move forwards, the gravity center of the balancing weight moves forwards due to the forward movement of the balancing weight and is opposite to the direction of the deviation of the gravity center of one side of the wind power tower cylinder body, the left and right weights of the half-toppled side of the wind power tower cylinder body are balanced, the whole wind power tower cylinder body is ensured to be in a stable balanced state, the large-amplitude rolling motion is temporarily stopped, and the problem that the left and right sides of a platform at the rear end of the vehicle body are inconsistent due to the large-amplitude rolling of the wind power tower cylinder body is solved, and the wagon rolls.
2. By arranging the upper magnetic plate and the lower magnetic plate, when the inclination angle of the wind power tower cylinder is overlarge, the deformation amount of the anti-tilting bag body is extremely large, the downward extrusion moving distance of gas is increased, the forward movement of the balancing weight is increased, when the balancing weight is close to the upper magnetic plate and the lower magnetic plate, the magnetic sheet at one end of the balancing weight is attracted by the upper magnetic plate and the lower magnetic plate, so that the moving distance of the balancing weight reaches the maximum, the stretching degree of the first spring reaches the maximum limit, the elastic tension contained in the first spring is greater than the magnetic attraction force between the magnetic sheet and the upper magnetic plate as well as between the magnetic sheet and the lower magnetic plate, the first spring rebounds and contracts to drive the balancing weight to rapidly move backwards and reset, the gas is forced to rapidly flow upwards, the anti-tilting bag body generates an inward thrust to the wind power tower cylinder due to the pressure of airflow, so that the wind power tower cylinder stops tilting and returns inwards to the original position, and the wind power tower cylinder is effectively prevented from being overlarge in inclination angle, and the problem that the truck is subjected to side turning accidents, and the barrel of the wind power tower is damaged by falling, so that the functions of the wind power tower are scrapped and cannot be put into use any more is solved.
3. According to the invention, by utilizing the magnetic repulsion force between the upper magnetic plate and the lower magnetic plate, when the wind power tower cylinder body is vibrated, the lower pressure generated by the vibration and the magnetic repulsion force are mutually offset, so that the impact of the vibration on the wind power tower cylinder body is effectively buffered, and the problem that the bottom end of the wind power tower cylinder body cannot be effectively buffered and damped due to the absence of a buffer device of the conventional carrying truck, so that the wind power tower cylinder body is damaged by vibration, and the surface of the wind power tower cylinder body is cracked in severe cases is avoided.
Drawings
FIG. 1 is a schematic cross-sectional front view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional side view of a support shell of the present invention;
FIG. 3 is a schematic sectional top view of the structure of the present invention.
In the figure: 1. a wind power tower cylinder; 2. a protective layer film; 3. fixing the sucker; 4. an anti-tipping bladder; 5. a support housing; 6. a piston plate; 7. a first spring; 8. a balancing weight; 9. a magnetic sheet; 10. an upper magnetic plate; 11. a second spring; 12. a lower magnetic plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a rollover prevention device for transportation of a wind power tower body comprises a wind power tower body 1, protective film 2 is fixedly mounted on two outer sides of the wind power tower body 1 respectively, a fixed suction cup 3 is fixedly mounted on the outer portion of the protective film 2, an anti-tilting capsule body 4 is fixedly mounted on one side of the fixed suction cup 3, a supporting shell 5 is fixedly connected to the bottom end of the anti-tilting capsule body 4, two piston plates 6 are movably mounted on the upper portion of an inner cavity of the supporting shell 5, two first springs 7 are movably mounted at two ends of the bottom of the inner cavity of the supporting shell 5, a balancing weight 8 is fixedly mounted at one end of each of the two first springs 7, a magnetic sheet 9 is fixedly mounted at one end of the balancing weight 8, an upper magnetic sheet 10 is fixedly mounted at the middle portion of the bottom of the supporting shell 5, a second spring 11 is fixedly mounted at the bottom end of the upper magnetic sheet 10, and a lower magnetic sheet 12 is fixedly mounted at the bottom end of the second spring 11.
Wherein, the shape of protective film 2 is the semiarc, and its camber value is unanimous with the both sides camber value of wind-powered electricity generation tower barrel 1, protective film 2 has viscidity for flexible body and surface, when carrying out the separation protection with wind-powered electricity generation tower barrel 1's top layer through protective film 2, guarantee all the other devices and can normally install on its surface, avoid current device to exist, when wind-powered electricity generation tower barrel 1 takes place to incline, the surface of wind-powered electricity generation tower barrel 1 can take place wearing and tearing or rub with fixing device's surface or edge, cause the surface coating of wind-powered electricity generation tower barrel 1 to be damaged, influence the installation of wind-powered electricity generation tower barrel 1 and use.
Wherein, the shape of the fixed sucker 3 is rectangular, and the inner cavity of the fixed sucker 3 is in a vacuum state.
Wherein, the shape of the anti-tilting bag body 4 is L-shaped, and the anti-tilting bag body 4 has reversible deformation, by using the reversible deformation of the anti-tilting bag body 4, when the wind power tower cylinder 1 generates side rolling motion, the surface of the anti-tilting bag body 4 is extruded, the gas in the inner cavity is forced to downwards extrude the piston plate 6, so that the piston plate 6 downwards moves, and further the balancing weight 8 is forced to move forwards, the gravity center of the balancing weight 8 forwards moves in a direction opposite to the gravity center offset direction of one side of the wind power tower cylinder 1, the left and right weight of the half side of the wind power tower cylinder 1, which is inclined, is balanced, when the inclination angle of the wind power tower cylinder 1 is too large, the deformation of the anti-tilting bag body 4 is extremely large, the downward extrusion moving distance of the gas is increased, the balancing weight 8 forwards moves and is increased, when the balancing weight 8 is close to the upper magnetic plate 10 and the lower magnetic plate 12, the magnetic sheet 9 at one end of the balancing weight 8 is attracted by the upper magnetic plate 10 and the lower magnetic plate 12, the moving distance of the balancing weight 8 is enabled to be the largest, the stretching degree of the first spring 7 reaches the maximum limit at the moment, the elastic tension contained in the balancing weight is larger than the magnetic attraction between the magnetic sheet 9 and the upper magnetic plate 10 and between the magnetic plates 12, the first spring 7 rebounds and contracts to drive the balancing weight 8 to move backwards and quickly, gas is forced to flow upwards and quickly, the anti-tilting bag body 4 generates inward thrust to the wind power tower barrel body 1 due to the pressure of the airflow, the wind power tower barrel body 1 is forced to stop tilting and return to the original position inwards, the phenomenon that the truck turns over due to the fact that the tilting angle of the wind power tower barrel body 1 is too large is effectively avoided, meanwhile, the falling loss of the wind power tower barrel body is caused, the function of the truck is disabled, and the truck cannot be put into use again.
Wherein, the supporting shell 5 is in a U shape, the inner cavity between the supporting shell 5 and the anti-tilting bag body 4 is filled with gas, and the inner cavity between the bottom ends of the piston plates 6 positioned at both sides of the supporting shell 5 and one end of the first spring 7 is filled with liquid.
Wherein, the magnetic sheet 9 has magnetism and is rectangular in shape, and the length and width value are the same as the length and width value of one end surface of the balancing weight 8.
Wherein, the shape of going up magnetic sheet 10 and lower magnetic sheet 12 is rectangle, and both have magnetism, and magnetism is the same, it is opposite with magnetic sheet 9 magnetism to go up magnetic sheet 10 and lower magnetic sheet 12, through utilizing the magnetic repulsion between magnetic sheet 10 and the lower magnetic sheet 12, when wind power tower barrel 1 receives the shock, vibrate produced holding down force and magnetic repulsion offset each other, thereby effectively cushion and vibrate the produced impact to wind power tower barrel 1, avoid current delivery truck not to have buffer, the bottom of wind power tower barrel can't obtain effectual buffering shock attenuation, and cause wind power tower barrel to be damaged by earthquake, in serious cases, still can lead to wind power tower barrel surface fracture.
The using method of the invention has the following working principle:
the device is sequentially assembled and arranged on a rear end transport platform of a carrying truck, a wind power tower cylinder body 1 is placed in the middle of a supporting shell 5 through the existing hoisting equipment, the middle position of the bottom end of the wind power tower cylinder body 1 is horizontally vertical to the position of an upper magnetic plate 10, after the position of the wind power tower cylinder body 1 is determined to be stable and correct, a protective film 2 is aligned to two sides of the wind power tower cylinder body 1 to be adhered and installed, the positions of a fixed suction disc 3 and an anti-tilting bag body 4 are rightly placed to be kept horizontal, after the position is adjusted, the inner cavity of the fixed suction disc 3 is pumped to be vacuumized, so that the fixed suction disc 3 can firmly adsorb the two sides of the wind power tower cylinder body 1, after the fixed suction disc 3 is determined to firmly adsorb the wind power tower cylinder body 1, the truck is started, and the wind power tower cylinder body 1 starts to be transported to advance.
When the freight train is gone and is met curved road or sharp bend highway section, and wind power tower barrel 1 takes place the side roll motion, if wind power tower barrel 1 when empting to the left side, one side of wind power tower barrel 1 is extruded to the surface of preventing inclining utricule 4 through fixed suction cup 3, the surface of preventing inclining utricule 4 receives the extrusion and caves in, gas in its inner chamber is forced to flow downwards, and then extrudees piston plate 6, make piston plate 6 move down, when piston plate 6 moves down, the liquid extrusion balancing weight 8 forward motion of 6 bottoms of piston plate, because of balancing weight 8 forward motion, its focus moves forward, with one side focus skew opposite direction of wind power tower barrel 1, then wind power tower barrel 1 emptys half side about weight can obtain balancing.
When the inclination angle of the wind power tower cylinder 1 is too large, the deformation amount of the falling of the anti-inclination bag body 4 is very large, the downward extrusion moving distance of the gas is increased, the balancing weight 8 moves forwards and is increased, when the balancing weight 8 is close to the upper magnetic plate 10 and the lower magnetic plate 12, the magnetic sheet 9 at one end of the balancing weight 8 is attracted by the upper magnetic plate 10 and the lower magnetic plate 12, so that the moving distance of the balancing weight 8 reaches the maximum, the stretching degree of the first spring 7 reaches the maximum limit, the contained elastic tension force is greater than the magnetic attraction force between the magnetic sheet 9 and the upper magnetic plate 10 as well as the lower magnetic plate 12, the first spring 7 rebounds and contracts to drive the balancing weight 8 to move backwards and reset rapidly, the gas is forced to flow upwards rapidly, the anti-inclination bag body 4 generates an inward thrust to the wind power tower cylinder 1 due to the pressure of the gas flow, so that the wind power tower cylinder 1 stops inclining and returns inwards, and the wind power tower cylinder 1 is effectively prevented from being too large due to the inclination angle, and the problem that the truck is subjected to side turning accidents, and the barrel of the wind power tower is damaged by falling, so that the functions of the wind power tower are scrapped and cannot be put into use any more is solved.
After the wind power tower cylinder body 1 is transported to a required place, the inner cavity of the fixed sucker 3 is inflated to destroy the adsorption state of the fixed sucker to the two sides of the wind power tower cylinder body 1, and then the protective film 2 is detached.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a wind power tower barrel transportation is with preventing device of turning on one's side, includes wind power tower barrel (1), its characterized in that: the wind-power tower comprises a wind-power tower barrel body (1), wherein protective layer films (2) are fixedly mounted on two outer sides of the wind-power tower barrel body (1) respectively, a fixed sucker (3) is fixedly mounted on the outer portion of each protective layer film (2), an anti-tilting bag body (4) is fixedly mounted on one side of each fixed sucker (3), a supporting shell (5) is fixedly connected to the bottom end of the anti-tilting bag body (4), two piston plates (6) are movably mounted on the upper portion of an inner cavity of the supporting shell (5), two first springs (7) are movably mounted at two ends of the bottom of the inner cavity of the supporting shell (5), a balancing weight (8) is fixedly mounted at one end of each first spring (7), a magnetic sheet (9) is fixedly mounted at one end of each balancing weight (8), an upper magnetic sheet (10) is fixedly mounted at the middle portion of the bottom of the supporting shell (5), and a second spring (11) is fixedly mounted at the bottom end of the upper magnetic sheet (10), and a lower magnetic plate (12) is fixedly arranged at the bottom end of the second spring (11).
2. The rollover prevention device for wind power tower transportation according to claim 1, wherein: the shape of the protective layer film (2) is semi-arc, the arc value of the protective layer film is consistent with that of the two sides of the wind-power tower cylinder body (1), and the protective layer film (2) is a flexible body and has viscosity on the surface.
3. The rollover prevention device for wind power tower transportation according to claim 1, wherein: the shape of the fixed sucker (3) is rectangular, and the inner cavity of the fixed sucker (3) is in a vacuum state.
4. The rollover prevention device for wind power tower transportation according to claim 1, wherein: the shape of the anti-tilting bag body (4) is L-shaped, and the anti-tilting bag body (4) has reversible deformation.
5. The rollover prevention device for wind power tower transportation according to claim 1, wherein: the support shell (5) is U-shaped, an inner cavity between the support shell (5) and the anti-tilting bag body (4) is filled with gas, and inner cavities between the bottom ends of the piston plates (6) on the two sides of the support shell (5) and one end of the first spring (7) are filled with liquid.
6. The rollover prevention device for wind power tower transportation according to claim 1, wherein: the magnetic sheet (9) is magnetic and rectangular, and the length and width of the magnetic sheet are the same as those of one end surface of the counterweight block (8).
7. The rollover prevention device for wind power tower transportation according to claim 1, wherein: the upper magnetic plate (10) and the lower magnetic plate (12) are rectangular in shape, have magnetism, are the same in magnetism, and are opposite to the magnetic sheets (9) in magnetism, wherein the upper magnetic plate (10) and the lower magnetic plate (12) are opposite in magnetism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976238.8A CN113772234B (en) | 2021-08-24 | 2021-08-24 | Wind power tower cylinder transportation is with preventing device of turning on one's side |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110976238.8A CN113772234B (en) | 2021-08-24 | 2021-08-24 | Wind power tower cylinder transportation is with preventing device of turning on one's side |
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| CN113772234A true CN113772234A (en) | 2021-12-10 |
| CN113772234B CN113772234B (en) | 2022-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114950654A (en) * | 2022-08-01 | 2022-08-30 | 江苏中腾石英材料科技股份有限公司 | Quartz sand raw materials is smashed and is used ball mill |
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| CN113772234B (en) | 2022-12-27 |
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Effective date of registration: 20221129 Address after: 100070 Building 1, yard 6, East Road, Automobile Museum, Fengtai District, Beijing Applicant after: CHINA HUADIAN ENGINEERING Co.,Ltd. Address before: 535000 No. 9, team 62, village committee Tun, Naxian village, Taiping Town, Lingshan County, Qinzhou City, Guangxi Zhuang Autonomous Region Applicant before: Deng Xiaomei |
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