CN110777872A - Engineering ship with screening device - Google Patents

Engineering ship with screening device Download PDF

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Publication number
CN110777872A
CN110777872A CN201911098481.3A CN201911098481A CN110777872A CN 110777872 A CN110777872 A CN 110777872A CN 201911098481 A CN201911098481 A CN 201911098481A CN 110777872 A CN110777872 A CN 110777872A
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CN
China
Prior art keywords
sand
screening
engineering ship
screen
vibration
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Granted
Application number
CN201911098481.3A
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Chinese (zh)
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CN110777872B (en
Inventor
马强
刘刚
侯甲彬
徐海东
郭俊杰
吴硕
孙庶业
张业威
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Shandong Jiaotong University
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Shandong Jiaotong University
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Publication date
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Priority to CN201911098481.3A priority Critical patent/CN110777872B/en
Publication of CN110777872A publication Critical patent/CN110777872A/en
Application granted granted Critical
Publication of CN110777872B publication Critical patent/CN110777872B/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/28Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/286Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F7/00Equipment for conveying or separating excavated material
    • E02F7/02Conveying equipment mounted on a dredger
    • E02F7/023Conveying equipment mounted on a dredger mounted on a floating dredger
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F7/00Equipment for conveying or separating excavated material
    • E02F7/06Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
    • E02F7/065Delivery 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)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses an engineering ship with a screening device, which comprises an engineering ship body, the screening device and a sand digging device, wherein the screening device is arranged on the engineering ship body; the screening plant includes sieve case, vibration exciter, shale shaker drive arrangement and screen cloth, the sieve case passes through the supporting leg slope and sets up on the engineering hull, the sieve case includes the reel, and the sieve incasement is installed the screen cloth, is provided with the vibration exciter on the reel, shale shaker drive arrangement sets up and produces the vibrational force in order to drive the vibration exciter in sieve case one side. The engineering ship with the screening device is convenient to use, flexible to operate and high in working efficiency.

Description

Engineering ship with screening device
Technical Field
The invention relates to an engineering ship, in particular to an engineering ship with a screening device, and relates to the field of ship excavation.
Background
The engineering ship is a floating type collecting device for exploiting underwater sand deposits. The engineering is carried out by utilizing the excavating mechanism arranged at the front end of the ship body, and the engineering is lifted to the ship body to carry out sand screening and grading operation, however, on one hand, the adaptability of the existing engineering ship for engineering according to sand beds with different depths is poor, on the other hand, the general humidity of sand which is just fished underwater is higher, the grading effect of the existing grading sieve is poor when the existing grading sieve is used for grading the sand, and meanwhile, the operation of the existing sand excavating device is not flexible enough when the sand is excavated, so that a lot of troubles are brought to engineers.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the existing engineering ship and provides an engineering ship with a screening device, which comprises an engineering ship body, the screening device and a sand digging device, wherein the screening device is arranged on the engineering ship body; the sand digging device comprises a sand digging bucket and a sand digging bucket driving assembly, wherein the sand digging bucket driving assembly comprises a driving motor and a crank connecting rod assembly; a sand conveying device is arranged between the screening device and the sand digging device; the sand conveying device comprises a first chain wheel, a second chain wheel, a transmission chain and conveying baffles, the transmission chain is obliquely arranged on the support, and a plurality of conveying baffles are uniformly arranged on the transmission chain; the screening device comprises a screen box, a vibration exciter, a vibrating screen driving device and a screen, wherein the screen box is obliquely arranged on the engineering ship body through a support leg and comprises a screen frame, the screen is arranged in the screen box, the vibration exciter is arranged on the screen frame, and the vibrating screen driving device is arranged on one side of the screen box to drive the vibration exciter to generate vibrating force;
furthermore, the engineering ship body is connected with a guide wheel through a mast, a paying-off wheel is arranged on the engineering ship body, a steel wire rope is connected with a right arm beam through the guide wheel, and a sand digging device connected with the right arm beam can be accommodated in the engineering ship body;
furthermore, the crank connecting rod assembly comprises a crank, the driving motor is connected with the crank, one end of the crank is connected with the upper end of a sand digging bucket fixing rod through an upper cross rod, the lower end of the sand digging bucket fixing rod is hinged with one end of a lower cross rod, the lower cross rod is positioned below the upper cross rod, the other end of the lower cross rod is connected with the mounting bracket, one end of an inclined rod is connected onto the upper cross rod, the other end of the inclined rod is connected with the lower cross rod, and the inclined rod is obliquely arranged on the upper cross rod and the lower cross rod;
furthermore, the vibrating screen driving device comprises a second motor, the second motor is connected with a belt wheel through a belt, a first vibrating shaft penetrates through the left and right opposite screen frames, the belt wheel drives the first vibrating shaft to rotate, the left end and the right end of the first vibrating shaft are respectively connected with vibration exciters, the two vibration exciters are respectively arranged on the left and right opposite screen frames, the outer ends of the two vibration exciters are respectively provided with a first eccentric block, and the first vibrating shaft penetrates through the two first eccentric blocks; the two vibration exciters are also provided with second vibration shafts, the second vibration shafts are provided with second eccentric blocks, the distances between the two second eccentric blocks and the two first eccentric blocks are equal, the first vibration shafts and the second vibration shafts are respectively provided with transmission gears, and the transmission gears on the two shafts are meshed for transmission; the second motor is arranged in the damping shell; the screen is a polyurethane screen;
furthermore, a sand turning device is arranged at the front end of the sand digging device and comprises a sand turning roller and a first motor, hook teeth are uniformly distributed on the sand turning roller, and the first motor drives the sand turning roller to rotate through a chain;
furthermore, at least one telescopic cylinder is arranged between the left arm beam and the engineering ship body, and the rotation of a paying-off wheel and the telescopic cooperation of the telescopic cylinder are used for controlling the submerged depth of the sand digging device and the sand turning device.
Compared with the prior art, the invention has the beneficial effects that: the engineering ship with the screening device can automatically adjust the underwater submerging depths of the sand digging device and the sand turning device according to different underwater depths of the sand bed, and the vibration track generated by the vibration structure adopted by the invention is suitable for grading wet sand, so that the accumulation of sand bodies in the screening process is avoided; meanwhile, the sand digging bucket driving assembly adopted by the invention is convenient to use, flexible to operate and high in working efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, together with the description of the embodiments of the invention and are not intended to limit the invention. In the drawings:
figure 1 is a schematic view of a construction vessel with a screening device according to the invention;
FIG. 2 is a schematic structural diagram of a screening device on a construction vessel according to the invention;
FIG. 3 is a schematic view of the construction of the sand digging device and the sand turning device of the present invention.
Reference numbers in the figures: 1. the ship comprises a ship body 2, a paying-off wheel 3, a guide wheel 4, a screening device 5, a first chain wheel 6, a second chain wheel 7, a transmission chain 8, a transmission baffle plate 9, a sand digging bucket 10, a sand digging bucket driving assembly 11, a wheel 12, a left arm beam 13, a right arm beam 14, a first motor 15, a sand turning roller 16, a sand digging bucket fixing rod 401, a second motor 402, a belt 403, a belt wheel 404, a first vibrating shaft 405, a second vibrating shaft 406, a first eccentric block 407, a second eccentric block 408, a vibration exciter 409, a screen 410 and a screen frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.
Referring to fig. 1, the present invention provides a technical solution: an engineering ship with a screening device comprises an engineering ship body 1, the screening device 4 and a sand digging device, wherein the screening device 4 is arranged on the engineering ship body 1, the bottom of the engineering ship body 1 is connected with a left arm beam 12, the left arm beam 12 is hinged with a right arm beam 13, the engineering ship body 1 is connected with a guide wheel 3 through a mast, the rear end of a deck of the engineering ship body is provided with a paying-off wheel 2, a steel wire rope is connected with the right arm beam 13 through the guide wheel, and the sand digging device is connected with the engineering ship body 1 through the right arm beam 13; the sand digging device comprises a sand digging bucket 9 and a sand digging bucket driving assembly 10, wherein the sand digging bucket driving assembly 10 comprises a driving motor and a crank connecting rod assembly; the sand shoveling device comprises a sand shoveling bucket fixing rod 16, a driving motor, a connecting rod, a driving motor and a driving motor, wherein the connecting rod is connected with the crank; the shoveled sand is sent to a sand conveying device, the sand conveying device comprises a first chain wheel 5, a second chain wheel 6, a transmission chain 7 and conveying baffles 8, the transmission chain 7 is obliquely arranged on a support, the first chain wheel 5 and the second chain wheel 6 are arranged on the transmission chain 7, the transmission chain 7 is uniformly provided with a plurality of conveying baffles 8, and the falling of the sand in the conveying process is greatly reduced due to the arrangement of the conveying baffles 8; the sand conveying device is arranged between the screening device and the sand digging device;
the screening device comprises a screen box, a vibration exciter 408, a vibrating screen driving device and a screen 409, wherein the screen box is obliquely arranged on the engineering ship body 1 through support legs, the screen box comprises a screen frame 410, the screen 409 is installed in the screen box, and the vibration exciter 408 is arranged on the screen frame 410.
The vibrating screen driving device comprises a second motor 401, the second motor 401 is connected with a belt wheel 403 through a belt 402, a first vibrating shaft 404 penetrates through the left and right opposite screen frames, the belt wheel 403 drives the first vibrating shaft 404 to rotate, the left end and the right end of the first vibrating shaft 404 are respectively connected with vibration exciters 408, the two vibration exciters 408 are respectively arranged on the left and right opposite screen frames, the outer ends of the two vibration exciters are respectively provided with a first eccentric block 406, and the first vibrating shaft 404 penetrates through the two first eccentric blocks 406; a second vibration shaft 405 is further arranged on the two vibration exciters 408, a second eccentric block 407 is arranged on the second vibration shaft 405, and the distance between the two second eccentric blocks 407 and the two first eccentric blocks is equal; the first vibration shaft and the second vibration shaft are respectively provided with a transmission gear, and the transmission gears on the two shafts are meshed with each other for transmission; the rotation directions of the first vibration shaft 404 and the second vibration shaft 405 are opposite, and a vibration screen driving device arranged on one side of the screen box drives a vibration exciter 408 to generate vibration force, so that sand screening is realized; since the screening device can generate larger vibration during operation, the second motor 401 is arranged in the damping shell in order to reduce the influence of strong vibration on the second motor; the moisture of the sand just dug from the river is often large, so the screen 409 is a wear-resistant and rust-proof polyurethane screen, and the screen 409 can be arranged in multiple stages up and down as required.
In addition, the sand in the river bed is sometimes solid and difficult to directly excavate with the excavating bucket. In view of the above, the front end of the sand digging device is also provided with a sand turning device, the sand turning device comprises a sand turning roller 15 and a first motor 14, hook teeth are uniformly distributed on the sand turning roller 15, the first motor 14 drives the sand turning roller 15 to rotate through a chain, and a sand bed is turned before digging; in order to save the power source, the first motor 14 can be omitted and the driving motor of the sand digging device can be used for driving.
The depth of the sand bed under water is different, in order to adapt to the digging of the sand bed with different underwater depths, at least one telescopic cylinder (not shown) is arranged between the left arm beam 12 and the engineering ship body 1, and the length position of a steel wire rope released by the rotation of a paying-off wheel of the submerged depth of the sand digging device and the sand turning device and the size of the extension or compression length of the telescopic rod of the telescopic cylinder are controlled in a matching manner. In addition, when the sand digging device and the sand turning device are not used, the sand digging device and the sand turning device can be stored in the engineering ship body.
The specific principle is as follows: when the engineering ship is used, the engineering ship is driven to a proper position, the paying-off wheel 2 is adjusted, the telescopic cylinder is adjusted, the steel wire rope is placed to a certain length, the telescopic rod of the telescopic cylinder extends to a certain length, the right arm beam 13 connected with the telescopic cylinder is positioned at a proper operable position, the first motor 14 is selected to be started, the first motor 14 drives the sand-turning roller 15 to rotate, and the sand-turning roller 15 turns over a sand bed; the driving motor is started simultaneously, the driving motor drives the sand digging hopper 9 to perform engineering operation through the crank connecting rod assembly, excavated sand is sent into the sand conveying device, the sand is sent into the screening device 4 through the action of the conveying baffle plate 8, the sand is drained while being conveyed, the second motor 401 is started simultaneously, the second motor 401 drives the first vibrating shaft 404 to rotate through belt transmission, the first vibrating shaft and the second vibrating shaft are respectively provided with a transmission gear, the first vibrating shaft 404 drives the first eccentric block 406 and the gear to rotate, and the vibration exciter obtains exciting force because the rotating directions of the first vibrating shaft and the second vibrating shaft are opposite, and transmits the vibrating force to the screen mesh to realize screening.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements can be made without departing from the spirit and scope of the invention.

Claims (6)

1. An engineering ship with screening device, includes engineering hull (1), screening device (4) and device of dredging sand, its characterized in that: the screening device (4) is arranged on the engineering ship body (1), the bottom of the engineering ship body (1) is connected with a left arm beam (12), the left arm beam (12) is hinged with a right arm beam (13), and the sand digging device is connected with the engineering ship body (1) through the right arm beam (13); the sand digging device comprises a sand digging bucket (9) and a sand digging bucket driving assembly (10), wherein the sand digging bucket driving assembly (10) comprises a driving motor and a crank connecting rod assembly; a sand conveying device is arranged between the screening device (4) and the sand digging device; the sand conveying device comprises a first chain wheel (5), a second chain wheel (6), a transmission chain (7) and conveying baffles (8), the transmission chain (7) is obliquely arranged on the support, and a plurality of conveying baffles (8) are uniformly arranged on the transmission chain (7); the screening device comprises a screening box, a vibration exciter (408), a vibrating screen driving device and a screen (409), wherein the screening box is obliquely arranged on the engineering ship body (1) through supporting legs, the screening box comprises a screen frame (410), the screen (409) is installed in the screening box, the vibration exciter (408) is arranged on the screen frame (410), and the vibrating screen driving device is arranged on one side of the screening box to drive the vibration exciter (408) to generate vibrating force.
2. A process vessel with screening devices according to claim 1, characterized in that: the engineering ship body (1) is connected with a guide wheel (3) through a mast, a paying-off wheel (2) is arranged on the engineering ship body (1), a steel wire rope is connected with a right arm beam (13) through the guide wheel, and a sand digging device connected with the right arm beam (13) can be stored in the engineering ship body.
3. A process vessel with screening devices according to claim 2, characterized in that: the crank connecting rod assembly comprises a crank, a driving motor is connected with the crank, one end of the crank is connected with the upper end of a sand digging bucket fixing rod (16) through an upper cross rod, the lower end of the sand digging bucket fixing rod (16) is hinged to one end of a lower cross rod, the lower cross rod is located below the upper cross rod, the other end of the lower cross rod is connected with a mounting support, one end of an inclined rod is connected onto the upper cross rod, the other end of the inclined rod is connected with the lower cross rod, and the inclined rod is obliquely arranged on the upper cross rod and the lower.
4. A process vessel with screening devices according to claim 3, characterized in that: the vibrating screen driving device comprises a second motor (401), the second motor (401) is connected with a belt wheel (403) through a belt (402), a first vibrating shaft (404) penetrates through the left and right opposite screen frames, the belt wheel (403) drives the first vibrating shaft (404) to rotate, the left end and the right end of the first vibrating shaft (404) are respectively connected with vibration exciters (408), the two vibration exciters (408) are respectively arranged on the left and right opposite screen frames, the outer ends of the two vibration exciters are respectively provided with a first eccentric block (406), and the first vibrating shaft (404) penetrates through the two first eccentric blocks (406); the two vibration exciters (408) are also provided with second vibration shafts (405), the second vibration shafts (405) are provided with second eccentric blocks (407), the distances between the two second eccentric blocks (407) and the two first eccentric blocks are equal, the first vibration shafts and the second vibration shafts are respectively provided with transmission gears, and the transmission gears on the two shafts are in meshing transmission with each other; the second motor (401) is arranged in the damping shell; the screen (409) is a polyurethane screen.
5. An engineering ship with screening devices according to claim 4, characterized in that: the front end of the sand digging device is also provided with a sand turning device, the sand turning device comprises a sand turning roller (15) and a first motor (14), hook teeth are evenly distributed on the sand turning roller (15), and the first motor (14) drives the sand turning roller (15) to rotate through a chain.
6. An engineering ship with screening devices according to claim 5, characterized in that: at least one telescopic cylinder is arranged between the left arm beam (12) and the engineering hull (1), and the rotation of a paying-off wheel and the telescopic cooperation of the telescopic cylinder are controlled when the sand digging device and the sand turning device are submerged.
CN201911098481.3A 2019-11-12 2019-11-12 Engineering ship with screening device Active CN110777872B (en)

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Application Number Priority Date Filing Date Title
CN201911098481.3A CN110777872B (en) 2019-11-12 2019-11-12 Engineering ship with screening device

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Application Number Priority Date Filing Date Title
CN201911098481.3A CN110777872B (en) 2019-11-12 2019-11-12 Engineering ship with screening device

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CN110777872B CN110777872B (en) 2020-08-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809678A (en) * 2020-07-08 2020-10-23 山东交通学院 Full-automatic dredger with screening plant

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035863A1 (en) * 2000-07-24 2001-08-23 Kurt Schoenfeld Bucket conveyor belt to win energy from moving water has water collecting buckets enclosed on all sides, but open at top, and fastened between two chains tensioned by two upper and two lower gearwheels
JP2006117427A (en) * 2004-10-25 2006-05-11 Kito Corp Dual suspension chain hoisting device
CN201567596U (en) * 2009-11-12 2010-09-01 黄山云 Equipment integrating operations of dredging, ore dressing, panning and screening
CN201572745U (en) * 2009-12-17 2010-09-08 何立强 Sand sieving machine
CN204279886U (en) * 2014-11-11 2015-04-22 浙江省疏浚工程有限公司 A kind of sieving garbage contamination removing ship
CN110397105A (en) * 2019-07-25 2019-11-01 北京恩萨工程技术有限公司 The amphibious pumping boat of dredging of bucket type

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035863A1 (en) * 2000-07-24 2001-08-23 Kurt Schoenfeld Bucket conveyor belt to win energy from moving water has water collecting buckets enclosed on all sides, but open at top, and fastened between two chains tensioned by two upper and two lower gearwheels
JP2006117427A (en) * 2004-10-25 2006-05-11 Kito Corp Dual suspension chain hoisting device
CN201567596U (en) * 2009-11-12 2010-09-01 黄山云 Equipment integrating operations of dredging, ore dressing, panning and screening
CN201572745U (en) * 2009-12-17 2010-09-08 何立强 Sand sieving machine
CN204279886U (en) * 2014-11-11 2015-04-22 浙江省疏浚工程有限公司 A kind of sieving garbage contamination removing ship
CN110397105A (en) * 2019-07-25 2019-11-01 北京恩萨工程技术有限公司 The amphibious pumping boat of dredging of bucket type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111809678A (en) * 2020-07-08 2020-10-23 山东交通学院 Full-automatic dredger with screening plant

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