CN111501886B - Automatic dredging equipment for river channel - Google Patents

Automatic dredging equipment for river channel Download PDF

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Publication number
CN111501886B
CN111501886B CN202010399240.9A CN202010399240A CN111501886B CN 111501886 B CN111501886 B CN 111501886B CN 202010399240 A CN202010399240 A CN 202010399240A CN 111501886 B CN111501886 B CN 111501886B
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CN
China
Prior art keywords
separation
rotating shaft
fixedly arranged
cavity
annular
Prior art date
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Active
Application number
CN202010399240.9A
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Chinese (zh)
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CN111501886A (en
Inventor
马超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUJI SHENGYUAN PLASTIC MATERIAL Co.,Ltd.
Original Assignee
Zhuji Zhiying Intelligent Technology Service Department
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuji Zhiying Intelligent Technology Service Department filed Critical Zhuji Zhiying Intelligent Technology Service Department
Priority to CN202010399240.9A priority Critical patent/CN111501886B/en
Publication of CN111501886A publication Critical patent/CN111501886A/en
Priority to GBGB2013407.8A priority patent/GB202013407D0/en
Application granted granted Critical
Publication of CN111501886B publication Critical patent/CN111501886B/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8833—Floating installations
    • E02F3/885—Floating installations self propelled, e.g. ship
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
    • E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
    • E02F3/9237—Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
    • E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses automatic dredging equipment for a river channel, which comprises a shell, wherein a separation cavity is arranged in the shell, a separation mechanism is arranged in the separation cavity, a supporting rod is fixedly arranged on the bottom end surface of the shell, an annular sliding groove is arranged in the bottom end wall of the separation cavity, an auxiliary block is fixedly arranged on the bottom end surface of the annular sliding groove, an annular sliding plate is arranged in the annular sliding groove in a sliding manner, and a mud outlet hole is formed in the annular sliding plate.

Description

Automatic dredging equipment for river channel
Technical Field
The invention relates to the field of dredging equipment, in particular to automatic dredging equipment for a river channel.
Background
As is well known, river channel siltation increasingly affects the normal performance of various functions such as flood control, flood drainage, irrigation, water supply, navigation and the like, and river channel dredging engineering is performed in order to recover the normal functions of river channels and promote the rapid and continuous development of the economic society. The river channel becomes deep and wide through treatment, the river water becomes clear, the production conditions and the living environment of the masses are obviously improved, and the aims of 'clear water, smooth river, green bank and beautiful landscape' are achieved, so that the automatic dredging equipment for the river channel is required to be designed to solve the problems.
Disclosure of Invention
The invention aims to provide automatic dredging equipment for a river channel, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
An automatic dredging device for a river channel comprises a machine shell, wherein a separation cavity is arranged in the machine shell;
the separation cavity is internally provided with a separation mechanism, a support rod is fixedly arranged on the bottom end face of the shell, an annular chute is arranged in the bottom end wall of the separation cavity, an auxiliary block is fixedly arranged on the bottom end face of the annular chute, an annular sliding plate is slidably arranged in the annular chute, a mud outlet hole is formed in the annular sliding plate, a limiting annular plate is fixedly arranged on the top end face of the annular sliding plate, a separation cylinder is rotatably arranged in the limiting annular plate, a water outlet filter plate is arranged in the end wall of the separation cylinder, a meshing gear cylinder is fixedly arranged on the top end face of the separation cylinder, an annular rack is fixedly arranged on the end wall of the separation cavity, the annular rack is meshed with the meshing gear cylinder, a connecting block is fixedly arranged on the top end face of the meshing gear cylinder, a separation motor is fixedly arranged on the bottom end face in the separation cavity, the improved separation device is characterized in that driving grooves are uniformly distributed in the driving plate, a matching annular block extending into the driving grooves is fixedly arranged on the upper side of the outer surface of the separation barrel, a rotating groove is formed in the wall of the top end of the separation cavity, a connecting pipe is rotatably arranged in the rotating groove, the connecting pipe is fixedly connected with the top end face of the connecting block, an embedded annular block is fixedly arranged on the outer surface of the bottom end of the connecting pipe, the embedded annular block is embedded into the rotating groove, and an interface is arranged on the upper side of the connecting pipe.
Furthermore, a sludge transporting block which is placed under water is arranged on the outer side of the casing, sludge transporting cavities are symmetrically arranged in the left side and the right side of the lower side end face of the sludge transporting block, a transmission cavity is arranged on the upper side of the sludge transporting cavity, a transporting motor is arranged in the top end wall of the transmission cavity, the bottom end face of the transporting motor is rotatably provided with a second rotating shaft which extends downwards, a first gear is fixedly arranged on the second rotating shaft in the transmission cavity, a third rotating shaft is rotatably arranged on the right side of the transmission cavity, a second gear is fixedly arranged on the third rotating shaft, a transmission chain is arranged between the second gear and the first gear, a fourth rotating shaft which extends downwards is rotatably arranged at the right end in the transmission cavity, a third gear is fixedly arranged on the fourth rotating shaft in the transmission cavity, the third gear is meshed with the transmission chain, and spiral conveying blocks are arranged on the second rotating shaft and the fourth rotating shaft in the sludge transporting cavity, the bottom ends of the second rotating shaft and the fourth rotating shaft are fixedly provided with rotating wheels, the rotating wheels are provided with inclined plates, and the outer ends of the inclined plates are fixedly provided with poking plates.
Furthermore, a conveying pump is arranged between the sludge conveying cavities, a fixed interface is fixedly arranged at the front end of the conveying pump, a hose pipeline is connected between the fixed interface and the interface, and a water outlet is formed in the end wall of the separation cavity.
The invention has the beneficial effects that: the device has a simple structure, is easy and convenient to operate, can quickly desilt the river channel, one part of the device is placed in the river channel, the other part of the device is placed on a ship or other transportation devices, the device in the river channel can continuously convey the sludge on the river bed into the device on the ship, and then the device on the ship can separate the river water in the sludge, so that the device has high integration degree and is convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a portion of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of an embodiment of the present invention
FIG. 3 is a schematic view of the structure A-A of FIG. 2;
fig. 4 is a schematic diagram of the structure of B-B in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The automatic dredging device for river channels, which is described with reference to fig. 1-4, comprises a casing 10, a separation chamber 11 is arranged in the casing 10, a separation mechanism 90 is arranged in the separation chamber 11, a support rod 22 is fixedly arranged on the bottom end surface of the casing 10, an annular slide groove 28 is arranged in the bottom end wall of the separation chamber 11, an auxiliary block 23 is fixedly arranged on the bottom end surface of the annular slide groove 28, an annular slide plate 27 is slidably arranged in the annular slide groove 28, a sludge outlet hole 26 is arranged in the annular slide plate 27, a limiting annular plate 25 is fixedly arranged on the top end surface of the annular slide plate 27, a separation cylinder 24 is rotatably arranged in the limiting annular plate 25, a water outlet filter plate 20 is arranged in the end wall of the separation cylinder 24, a meshing gear cylinder 18 is fixedly arranged on the top end surface of the separation cylinder 24, an annular rack 17 is fixedly arranged on the end, the top end face of the meshing gear cylinder 18 is fixedly provided with a connecting block 16, the bottom end face of the separation cavity 11 is fixedly provided with a separation motor 31, the top end face of the separation motor 31 rotates to be provided with a first rotating shaft 32, a driving plate 30 is fixedly arranged on the first rotating shaft 32, driving grooves 29 are uniformly distributed in the driving plate 30, the upper side of the outer surface of the separation cylinder 24 is fixedly provided with a matched annular block 19 extending into the driving grooves 29, a rotating groove 14 is formed in the top end wall of the separation cavity 11, a connecting pipe 15 is rotatably arranged in the rotating groove 14, the connecting pipe 15 is fixedly connected with the top end face of the connecting block 16, an embedded annular block 12 is fixedly arranged on the outer surface of the bottom end of the connecting pipe 15, the embedded annular block 12 is embedded into the rotating groove 14, and a connector.
The outer side of the machine shell 10 is provided with a sludge transporting block 43 which is placed under water, sludge transporting cavities 33 are symmetrically arranged in the left side and the right side of the lower side end face of the sludge transporting block 43, a transmission cavity 39 is arranged on the upper side of the sludge transporting cavity 33, a transporting motor 37 is arranged in the top end wall of the transmission cavity 39, the bottom end face of the transporting motor 37 is rotatably provided with a second rotating shaft 34 which extends downwards, a first gear 36 is fixedly arranged on the second rotating shaft 34 in the transmission cavity 39, a third rotating shaft 40 is rotatably arranged on the right side of the transmission cavity 39, a second gear 50 is fixedly arranged on the third rotating shaft 40, a transmission chain 38 is arranged between the second gear 50 and the first gear 36, a fourth rotating shaft 42 which extends downwards is rotatably arranged at the right end in the transmission cavity 39, a third gear 41 is fixedly arranged on the fourth rotating shaft 42 in the transmission cavity 39, and the third gear 41 is meshed with the transmission chain 38, the second rotating shaft 34 and the fourth rotating shaft 42 which are positioned in the sludge conveying cavity 33 are both provided with a spiral conveying block 35, the bottom ends of the second rotating shaft 34 and the fourth rotating shaft 42 are fixedly provided with rotating wheels 48, each rotating wheel 48 is provided with an inclined plate 44, and the outer ends of the inclined plates 44 are fixedly provided with poking plates 45.
A conveying pump 51 is arranged between the sludge conveying cavities 33, a fixed connector 46 is fixedly arranged at the front end of the conveying pump 51, a hose pipeline 13 is connected between the fixed connector 46 and the connector 49, and a water outlet 21 is arranged on the end wall of the separation cavity 11.
The working state is as follows:
when the dredging operation is performed, the transportation motor 37 is turned on to drive the second rotating shaft 34 to rotate, the second rotating shaft 34 rotates to drive the first gear 36 to rotate, the first gear 36 rotates to drive the transmission chain 38 to rotate, the transmission chain 38 rotates to drive the third gear 41 to rotate, the third gear 41 rotates to drive the fourth rotating shaft 42 to rotate, the second rotating shaft 34 and the fourth rotating shaft 42 rotate to drive the rotating wheel 48 to rotate, the rotating wheel 48 rotates to drive the inclined plate 44 to rotate, the inclined plate 44 rotates to drive the shifting plate 45 to rotate, the shifting plate 45 rotates to transport the sludge into the sludge transporting cavity 33, the second rotating shaft 34 and the fourth rotating shaft 42 drive the spiral conveying block 35 to rotate, the spiral conveying block 35 rotates to transport the sludge into the conveying pump 51, the transfer pump 51 transports the sludge into the connection pipe 15 through the hose pipe 13;
the separation motor 31 is opened and is driven first pivot 32 rotates, first pivot 32 rotates and drives drive board 30 rotates, drive board 30 rotates and drives the cylinder 24 removes, the cylinder 24 removes through meshing gear section of thick bamboo 18 with the cooperation of annular rack 17 makes meshing gear section of thick bamboo 18 rotates, meshing gear section of thick bamboo 18 rotates and drives the cylinder 24 rotates, silt passes through connecting pipe 15 gets into the cylinder 24, the cylinder 24 rotates will with the moisture in the silt pass through go out water filter 20 discharge channel in the separation chamber 11 water in the separation chamber 11 passes through the outlet 21 flows out, silt after the drainage passes through go out mud hole 26 and discharge the equipment below.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (3)

1. The utility model provides an automatic desilting equipment in river course, includes the casing, its characterized in that: a separation cavity is arranged in the shell;
the separation cavity is internally provided with a separation mechanism, a support rod is fixedly arranged on the bottom end face of the shell, an annular chute is arranged in the bottom end wall of the separation cavity, an auxiliary block is fixedly arranged on the bottom end face of the annular chute, an annular sliding plate is slidably arranged in the annular chute, a mud outlet hole is formed in the annular sliding plate, a limiting annular plate is fixedly arranged on the top end face of the annular sliding plate, a separation cylinder is rotatably arranged in the limiting annular plate, a water outlet filter plate is arranged in the end wall of the separation cylinder, a meshing gear cylinder is fixedly arranged on the top end face of the separation cylinder, an annular rack is fixedly arranged on the end wall of the separation cavity, the annular rack is meshed with the meshing gear cylinder, a connecting block is fixedly arranged on the top end face of the meshing gear cylinder, a separation motor is fixedly arranged on the bottom end face in the separation cavity, the improved separation device is characterized in that driving grooves are uniformly distributed in the driving plate, a matching annular block extending into the driving grooves is fixedly arranged on the upper side of the outer surface of the separation barrel, a rotating groove is formed in the wall of the top end of the separation cavity, a connecting pipe is rotatably arranged in the rotating groove, the connecting pipe is fixedly connected with the top end face of the connecting block, an embedded annular block is fixedly arranged on the outer surface of the bottom end of the connecting pipe, the embedded annular block is embedded into the rotating groove, and an interface is arranged on the upper side of the connecting pipe.
2. The automatic dredging equipment for river channels according to claim 1, wherein: the sludge transporting block is arranged outside the casing and is placed under water, sludge transporting cavities are symmetrically arranged in the end face of the lower side of the sludge transporting block in the left-right direction, a transmission cavity is arranged on the upper side of the sludge transporting cavity, a transporting motor is arranged in the top end wall of the transmission cavity, the bottom end face of the transporting motor is rotatably provided with a second rotating shaft extending downwards, a first gear is fixedly arranged on the second rotating shaft in the transmission cavity, a third rotating shaft is rotatably arranged on the right side of the transmission cavity, a second gear is fixedly arranged on the third rotating shaft, a transmission chain is arranged between the second gear and the first gear, a fourth rotating shaft extending downwards is rotatably arranged at the right end in the transmission cavity, a third gear is fixedly arranged on the fourth rotating shaft in the transmission cavity, the third gear is meshed with the transmission chain, and spiral conveying blocks are arranged on the second rotating shaft and the fourth rotating shaft in the sludge transporting cavity, the bottom ends of the second rotating shaft and the fourth rotating shaft are fixedly provided with rotating wheels, the rotating wheels are provided with inclined plates, and the outer ends of the inclined plates are fixedly provided with poking plates.
3. The automatic dredging equipment for river channels according to claim 2, wherein: the sludge conveying device is characterized in that a conveying pump is arranged between the sludge conveying cavities, a fixed connector is fixedly arranged at the front end of the conveying pump, a hose line is connected between the fixed connector and the connector, and a water outlet is formed in the end wall of the separation cavity.
CN202010399240.9A 2020-05-12 2020-05-12 Automatic dredging equipment for river channel Active CN111501886B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010399240.9A CN111501886B (en) 2020-05-12 2020-05-12 Automatic dredging equipment for river channel
GBGB2013407.8A GB202013407D0 (en) 2020-05-12 2020-08-27 An automatic river dredging equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010399240.9A CN111501886B (en) 2020-05-12 2020-05-12 Automatic dredging equipment for river channel

Publications (2)

Publication Number Publication Date
CN111501886A CN111501886A (en) 2020-08-07
CN111501886B true CN111501886B (en) 2020-12-08

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ID=71871874

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010399240.9A Active CN111501886B (en) 2020-05-12 2020-05-12 Automatic dredging equipment for river channel

Country Status (2)

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CN (1) CN111501886B (en)
GB (1) GB202013407D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113062392B (en) * 2021-04-13 2021-11-23 广东省源天工程有限公司 Dredging device for hydraulic engineering

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0438683A1 (en) * 1990-01-20 1991-07-31 Rohr GmbH Method and device for dumping fine material on the sea bed or slopes during dredging
JPH10234831A (en) * 1997-02-26 1998-09-08 Nippon Tokushu Sangyo Kk Sand cleaning apparatus
WO2012148201A2 (en) * 2011-04-26 2012-11-01 하나로테크 주식회사 Internal combustion engine-driven hydraulic machine, and air supercharger therefor
CN107246042A (en) * 2017-07-12 2017-10-13 范士军 Channel cleanout device
CN108222106A (en) * 2018-02-01 2018-06-29 丁建兵 A kind of sewage disposal device for river channel and its cleaning method
CN108275861A (en) * 2018-03-12 2018-07-13 江阴市顺通机械技术有限公司 A kind of environment-friendly type river bottom mud dehydration and drying ship

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0438683A1 (en) * 1990-01-20 1991-07-31 Rohr GmbH Method and device for dumping fine material on the sea bed or slopes during dredging
JPH10234831A (en) * 1997-02-26 1998-09-08 Nippon Tokushu Sangyo Kk Sand cleaning apparatus
WO2012148201A2 (en) * 2011-04-26 2012-11-01 하나로테크 주식회사 Internal combustion engine-driven hydraulic machine, and air supercharger therefor
CN107246042A (en) * 2017-07-12 2017-10-13 范士军 Channel cleanout device
CN108222106A (en) * 2018-02-01 2018-06-29 丁建兵 A kind of sewage disposal device for river channel and its cleaning method
CN108275861A (en) * 2018-03-12 2018-07-13 江阴市顺通机械技术有限公司 A kind of environment-friendly type river bottom mud dehydration and drying ship

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Publication number Publication date
GB202013407D0 (en) 2020-10-14
CN111501886A (en) 2020-08-07

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Effective date of registration: 20201125

Address after: 311815 Daqiao village, Ciwu Town, Zhuji City, Shaoxing City, Zhejiang Province (Linhang Industrial Park)

Applicant after: Zhuji Zhiying Intelligent Technology Service Department

Address before: 323900 No. 95, Yeshan village, oil bamboo street, Qingtian County, Lishui, Zhejiang

Applicant before: QINGTIAN HEYE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

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Address after: No. 1027, Mingzhuang, Baima new village, Ciwu Town, Zhuji City, Shaoxing City, Zhejiang Province, 311815

Patentee after: ZHUJI SHENGYUAN PLASTIC MATERIAL Co.,Ltd.

Address before: 311815 Daqiao village, Ciwu Town, Zhuji City, Shaoxing City, Zhejiang Province (Linhang Industrial Park)

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Denomination of invention: Automatic dredging equipment for river channel

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Granted publication date: 20201208

Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Jiyang science and technology sub branch

Pledgor: ZHUJI SHENGYUAN PLASTIC MATERIAL CO.,LTD.

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Registration number: Y2021980013198