CN114934486A - Grid type dredging device for hydraulic engineering - Google Patents

Grid type dredging device for hydraulic engineering Download PDF

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Publication number
CN114934486A
CN114934486A CN202210648331.0A CN202210648331A CN114934486A CN 114934486 A CN114934486 A CN 114934486A CN 202210648331 A CN202210648331 A CN 202210648331A CN 114934486 A CN114934486 A CN 114934486A
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CN
China
Prior art keywords
frame
plate
grid
guide
fixedly connected
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Granted
Application number
CN202210648331.0A
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Chinese (zh)
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CN114934486B (en
Inventor
高长海
韩红星
张文星
李宏展
崔俊峰
高云凤
洪攀
娄媛媛
宋慧灵
邢栋
魏园园
陈朝河
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Yellow River Construction Engineering Group Co ltd
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Yellow River Construction Engineering Group Co ltd
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Priority to CN202210648331.0A priority Critical patent/CN114934486B/en
Publication of CN114934486A publication Critical patent/CN114934486A/en
Application granted granted Critical
Publication of CN114934486B publication Critical patent/CN114934486B/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/02Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
    • E02B8/023Arresting devices for waterborne materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/122Flexible prefabricated covering elements, e.g. mats, strips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Food Science & Technology (AREA)
  • Ocean & Marine Engineering (AREA)
  • Soil Working Implements (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Abstract

The invention provides a grid type dredging device for hydraulic engineering, which relates to the technical field of hydraulic engineering and comprises an embedding seat, wherein the upper side wall of the embedding seat is fixedly connected with two guide plate groups and two guide frames, the guide plate groups are fixedly connected to the front side surface of the guide frame, the two guide plate groups are connected with a grid supporting frame in a sliding manner, and the inner sides of the two guide frames are provided with a front grid plate and a rear grid plate. The effect through holding in the palm net frame and fender frame stops the floater in the water to cut under the effect of star cutting roller, later pass in front grid tray and back grid tray through rotor plate adjustment direction, insert to get two degradable soil covering nets that unwinding device transported on, transport the in-process at degradable soil covering net and adhere to silt, later take in the pull incasement, take out the back at a period, can be used to the bank protection and use.

Description

Grid type dredging device for hydraulic engineering
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a grid type dredging device for hydraulic engineering.
Background
Hydraulic engineering is a disaster project that utilizes water for protection, including irrigation, flood protection, drainage, flood storage, shipping, and others. After the construction of excreted hydraulic engineering facility is used, because the effect of floater and silt that carry in the water for excreted hydraulic engineering facility bears very big pressure, in order to prevent that excreted hydraulic engineering facility collapses, often need clear up floater and silt that carry in the front side at excreted hydraulic engineering facility in to the water, however this kind of mode needs cleaning equipment to work frequently.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a grid type dredging device for hydraulic engineering, which solves the problem that drained hydraulic engineering facilities need to use cleaning equipment to frequently clean floating objects.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a grid type dredging device for hydraulic engineering comprises an embedding seat, wherein the upper side wall of the embedding seat is fixedly connected with two guide plate groups and two guide frames, the guide plate groups are fixedly connected to the front side surface of the guide frames, the two guide plate groups are connected with a grid support frame in a sliding manner, the inner sides of the two guide frames are provided with a front grid plate and a rear grid plate, a support plate is fixedly connected between the inner sides of the two guide plate groups, and the upper end of the support plate is fixedly connected with an upper frame;
the upper side surface of the net support frame is fixedly connected with a support, a star-shaped cutting roller and a blocking frame are mounted on the support, a plurality of rotating plates are rotatably connected between the supporting plate and the lower side surface of the upper frame, a transmission device is arranged on the lower inner wall of the upper frame, the rotating plates synchronously rotate through the transmission device, and a steel wire rope striding over from the upper part of the upper frame is fixedly connected between the blocking frame and the rear grid plate;
the lower inner wall of the embedded seat is fixedly connected with an arc-shaped baffle plate which is bent forwards and is positioned at the rear side, the upper side surface of the embedded seat and the upper side surface of the arc-shaped baffle plate are jointly connected with a rear box, the rear part of the rear box is provided with a pull box which slides up and down, and the left side wall and the right side wall of the pull box are both filter screens;
the rear side of the rear grid plate is provided with two degradable covering soil nets, the two degradable covering soil nets are wound and unwound through winding and unwinding devices arranged on the rear box, the embedding seat and the guide frame, and the two degradable covering soil nets extend downwards into an arc-shaped surface included by the inner wall of the embedding seat.
Preferably, the net supporting frame is formed by fixedly connecting a lower net frame and two sliding blocks, and the sliding blocks are correspondingly connected into the guide plate group in a sliding manner.
Preferably, star cutting roller is the structure that a plurality of star cutting knives are constituteed for the epaxial cover of root, it comprises the horizontal pole of arc and arc upper end connection to keep off the frame, star cutting knife and arc interval distribution, and the star cutting knife is tangent with the side of going up of rack down in the below position.
Preferably, the outer sides of the two guide frames are detachably connected with supporting and fixing parts, and the supporting and fixing parts are located on the upper side face of the embedded seat.
Preferably, the embedding seat comprises a fixing hole.
(III) advantageous effects
The invention provides a grid type dredging device for hydraulic engineering. The method has the following beneficial effects:
1. according to the invention, floating objects in a water body are blocked by the net supporting frame and the blocking frame, are cut under the action of the star-shaped cutting roller, then pass through the front grid plate and the rear grid plate through the rotating plate in the direction regulated by the rotating plate, are inserted into the two degradable soil covering nets conveyed by the collecting and releasing device, are attached to sludge in the conveying process of the degradable soil covering nets, are collected into the drawing box, and can be used for slope protection after being taken out for a period of time.
2. According to the grid type dredging device for the hydraulic engineering, the embedded seat is connected with the supporting firmware in a matched mode, so that the impact resistance of the guide frame is improved, and the stability of the grid type dredging device for the hydraulic engineering is improved.
Drawings
FIG. 1 is a schematic front side view of the present invention;
FIG. 2 is a schematic view of the present invention on the bottom side;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a rear view of the present invention;
FIG. 7 is a front view of the present invention;
fig. 8 is a cross-sectional view of the present invention.
Wherein, 1, a base; 2. a first support plate; 3. a pallet; 4. a second support plate; 5. a fixing plate; 6. a support frame; 7. an arc-shaped baffle plate; 8. a rear box; 9. drawing the box; 10. a guide plate group; 11. a guide frame; 12. a front grid plate; 13. a transmission device; 14. erecting a frame; 15. a support rod; 16. a rear grid plate; 17. a wire rope; 18. a blocking frame; 19. a net rack is arranged; 20. a star-shaped cutting roller; 21. a third support plate; 22. a rotating plate; 23. a slider; 24. a connecting plate; 25. a first auxiliary roller set; 26. a degradable covering soil net; 27. unwinding roller set; 28. a guide roller; 29. a winding device; 30. an extrusion roller set; 31. a second set of auxiliary rollers.
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.
Example (b):
as shown in fig. 1-8, the embodiment of the present invention provides a grid type dredging device for hydraulic engineering, comprising an embedding seat, wherein the embedding seat is composed of a base 1 and two fixing plates 5, the base 1 comprises an upper side wall and a lower side wall which extend forwards and backwards and are parallel to each other, the two fixing plates 5 are fixedly connected to the left and right side surfaces of the corresponding upper side wall of the base 1 and are located at the positions of the rear sides, triangular supporting rib plates which are distributed at equal intervals are fixedly connected between the lower side surface and the front side wall of the upper side wall of the base 1, the two fixing plates 5 are in a right trapezoid shape, the corresponding inclined surfaces face the rear sides, the two fixing plates 5 are connected to the two right-angle sides of the base 1, the two corners of the upper side wall of the base 1 at the front side and the lower side wall of the base 1 are provided with fixing holes at the two sides of the rear end, when the embedding seat is embedded into a water discharge outlet of the hydraulic engineering, the embedding seat is fixed by using reinforced concrete fasteners through the fixing holes, the reinforced concrete fastener can fix the embedded seat and the water bottom at the water outlet of hydraulic engineering, and the concrete structure of the reinforced concrete fastener refers to the construction specification of the existing hydraulic engineering.
The upper side wall of the base 1 is fixedly connected with a guide plate group 10 and a guide frame 11, the number of the guide plate group 10 and the guide frame 11 is two, the guide plate group 10 is fixedly connected with the front side surface of the guide frame 11, the lower ends of the two guide plate groups 10 are respectively fixedly connected between the left side surface and the right side surface of the upper side wall of the base 1 and the front side surface of the fixed plate 5, a net supporting frame is connected in the two guide plate groups 10 in a sliding way and is formed by fixedly connecting a lower net frame 19 and two sliding blocks 23, the corresponding net holes on the lower net frame 19 are arranged in the left and right direction of the length direction, the sliding blocks 23 are correspondingly connected in the guide plate groups 10 in a sliding way, when the lower net frame 19 moves up and down, the sliding blocks 23 correspondingly slide in the guide plate groups 10, the lower net frame 19 is connected with the front side surfaces of the two guide plate groups 10 in a sliding way, the inner sides of the two guide frames 11 are provided with a front grid plate 12 and a rear grid plate 16 for blocking floating objects in water, the lower part of preceding grid tray 12 is provided with the opening, and preceding grid tray 12 and leading truck 11 fixed connection, can follow rivers from the front backward flow from the submarine silt of opening part, later sink to the inside of base 1, back grid tray 16 and two guide plate group 10 sliding connection, fixedly connected with layer board 3 between the inboard of two guide plate group 10, and upper end fixedly connected with upper ledge, layer board 3 is located the top 15-20cm department of lateral wall on base 1, upper ledge is by grudging post 14 and die-pin 15, grudging post 14 is the U-shaped structure, and die-pin 15 rotates and is connected to the upper portion opening part of grudging post 14, the fixed surface of die-pin 15 is connected with the gyro wheel.
Lower rack 19's the side fixedly connected with support of going up, the support comprises two second backup pads 4 and third backup pad 21 and a first backup pad 2 and connecting plate 24, two 4 fixed connections of second backup pad are in the side of going up of lower rack 19, and connecting plate 24 fixed connection is between two second backup pads 4, side department on two second backup pads 4 of first backup pad 2 fixed connection, the front side of first backup pad 2 is provided with the fore-mouth, two third backup pad 21 fixed connection are in the both ends department of side on first backup pad 2, second backup pad 4 and third backup pad 21 are towards setting from beginning to end, and the rear end is located the front side of rotor plate 22, first backup pad 2 and connecting plate 24 left and right directions set up.
The star-shaped cutting roller 20 and the blocking frame are rotatably arranged between the two third supporting plates 21, the star-shaped cutting roller 20 is of a structure formed by sleeving a plurality of star-shaped cutting knives on a shaft, the star-shaped cutting knives and the arc-shaped plates are distributed at intervals, the star-shaped cutting knives are tangent to the upper side surface of the lower net frame 19 at the lower positions, the rear sides of the star-shaped cutting knives are positioned in the front openings, one end of the star-shaped cutting roller 20 is fixedly connected with a first waterproof motor, the star-shaped cutting roller 20 is driven to rotate under the action of the first waterproof motor, then floating objects (such as aquatic weeds and tree branches) clamped between the blocking frame 18 and the lower net frame 19 are cut off, the waterproof motor is arranged on one of the third supporting plates 21, the blocking frame 18 is formed by the arc-shaped plates and cross rods connected with the upper ends of the arc-shaped plates, the horizontal part of the lower parts of the arc-shaped plates is positioned at the lower side of the staggered front openings of the first supporting plates 2, and the rear ends of the arc-shaped cutting rollers face the rotating plates 22, the arc-shaped plate is made of spring steel.
A plurality of rotating plates 22 are rotatably connected between the supporting plate 3 and the lower side surface of the vertical frame 14, a transmission device 13 is arranged on the lower inner wall of the upper frame, the rotating plates 22 synchronously rotate through the transmission device, the transmission device 13 is composed of a plurality of first chain wheels fixed at the end parts of the rotating plates 22 above the lower side wall of the vertical frame 14, a transmission box, a second waterproof motor arranged on the upper side wall of the transmission box, a second chain wheel fixed at the lower end of the second waterproof motor and positioned in the transmission box, and a chain in meshed connection with the first chain wheel and the second chain wheel, the first chain wheel, the second chain wheel and the chain are all positioned in the transmission box, the second waterproof motor can be driven to rotate after working, the second chain wheel drives the first chain wheel through the chain to enable the rotating plates 22 to rotate, so that the state of the rotating plates 22 is changed, a steel wire rope 17 striding over from a roller is fixedly connected between the cross rod of the blocking frame 18 and the rear grid plate 16, the cross bar of the blocking frame 18 is positioned on one end of the arc-shaped plate facing the upper side;
the lower inner wall of base 1 just is located the crooked forward cowl 7 of rear side fixedly connected with, and the last side of embedding seat and cowl 7 is located and is connected with a back box 8 jointly, under cowl 7's effect, can be with the inside not adnexed silt direction both sides of base 1, the rear portion of base 1 lower part back box 8 is provided with gliding pull case 9 from top to bottom, lateral wall is the filter screen about pull case 9, the upper end fixedly connected with of pull case 9 carries the draw frame, can upwards pull out back box 8 with pull case 9 from carrying the draw frame, the preceding lateral wall department of pull case 9 is provided with the opening, pull case 9 is from the inside intercommunication of opening with back box 8, the upper portion of the preceding lateral wall of back box 8 is provided with the mouth of wearing.
The rear side of the rear grid plate 16 is provided with two degradable soil covering nets 26, the two degradable soil covering nets are wound and unwound through winding and unwinding devices arranged on the rear box 8, the embedded seat and the guide frame 11, the two degradable soil covering nets 26 both downwards extend into an arc-shaped surface included in the inner wall of the embedded seat, each winding and unwinding device comprises a first auxiliary roller set 25, an unwinding roller set 27, a guide roller 28, a winding device 29, an extrusion roller set 30 and a second auxiliary roller set 31, the number of corresponding components of the first auxiliary roller set 25, the unwinding roller set 27, the extrusion roller set 30 and the second auxiliary roller set 31 is two, namely, the corresponding first auxiliary roller, the unwinding roller, the extrusion roller and the second auxiliary roller are respectively two, the first auxiliary roller set 25 is rotatably connected to a mounting plate fixedly connected to the rear side of the guide frame 11, the corresponding two first auxiliary roller sets are distributed from front to bottom and from back to top, the unwinding roller set 27 is rotatably connected to the drawing box 9, one end of each of the two degradable covering meshes 26 is respectively wound on the corresponding unwinding roller of the unwinding roller set 27, the second auxiliary roller set 31 is rotatably connected between the left inner wall and the right inner wall of the base 1, the second auxiliary roller set 31 is positioned at the arc-shaped surface of the inner wall of the base 1, the extrusion roller set 30 is rotatably connected between the left side wall and the right side wall of the rear box 8, the extrusion roller set 30 is positioned at the front side of the through hole, the guide roller 28 is rotatably connected between the left side wall and the right side wall of the drawing box 9 and positioned at the rear side of the through hole, the winding device 29 comprises a winding roller and a third water motor, one end of each of two ends of the winding roller is rotatably connected with the side wall of the drawing box 9, the other end of each of the winding roller is fixedly installed with the output end of the third water motor, the third water motor is fixedly installed on the inner wall of the winding roller in the drawing box 9, the other end of each of the two degradable covering meshes 26 far away from the unwinding roller set 27 is wound on the winding roller, and the two degradable covering meshes 26 on the unwinding roller set 27 pass through the through hole, then, the first auxiliary roller group 25 passes over the upper side, the second auxiliary roller group 31 passes under the lower side, the corresponding two press rollers of the press roller group 30 pass between the two press rollers, and finally the guide roller 28 passes over the upper side.
The outside of two leading truck 11 all can be dismantled and be connected with the support firmware, the support firmware is located and buries the seat on the side, the support firmware comprises support frame 6 and the fixed hollow floor of support frame 6 rear side, support frame 6 connects through the bolt in the part of the rear side of leading truck 11, can push up on back grid tray 16 after this bolt is inwards twisted, make resistance when back grid tray 16 and preceding grid tray 12 relative motion increase, support frame 6 leans on the side that two leading truck 11 kept away from each other, and pass the nut of installation in support frame 6 through the fixed screw rod on the leading truck 11 and fix, and the end threaded connection of screw rod is by the fusiformis cap, the fusiformis cap is pushed down the nut in support frame 6, and the pointed end fore-and-aft direction of fusiformis cap sets up, the side that support frame 6 is located fusiformis cap rear side is the arc.
The working principle is as follows: after the grid type dredging device for the hydraulic engineering is fixed with a water outlet of the hydraulic engineering through a fixing hole, floating objects in water are blocked at a blocking frame 18 and move to a lower net rack 19 along the blocking frame 18 along with the action of water flow, the lower net rack 19 is pressed downwards due to the accumulation of the floating objects on the lower net rack 19, the blocking frame 18 is pulled downwards through a support, the blocking frame 18 is continuously bent upwards due to the pulling action of a steel wire rope 17, and simultaneously the rear grid plate 16 is pulled upwards, so that the through holes at the grid positions of the rear grid plate 16 and the front grid plate 12 are staggered, the circulation condition is changed, the situation that the grid positions cannot be blocked and cannot circulate is avoided after the through holes of the rear grid plate 16 and the front grid plate 12 are staggered, the floating objects between the blocking frame 18 and the lower net rack 19 are cut off under the action of a star-shaped cutting roller 20, and due to the structural design of the through holes of the lower net rack 19, so that the floaters at the cut ends are not easy to leak to the lower part of the lower net rack 19, the floaters at the cut ends reach the rotating plate 22 along with the water flow and the pushing action of the star-shaped cutting roller 20, the directions of the floaters at the rotating plate 22 are changed, the floaters conveniently pass through the front grid plate 12 and the rear grid plate 16, the floaters are inserted into the two degradable covering soil nets 26 between the first auxiliary roller group 25 and the second auxiliary roller group 31 after passing through the front grid plate 12 and the rear grid plate 16, the floaters at the cut ends inserted on the two degradable covering soil nets 26 are extruded by the second auxiliary roller group 31 along with the fact that the floaters at the cut ends are extruded after the two degradable covering soil nets 26 are separated at the arc surface of the base 1 and more sludge is attached at the arc surface of the base 1, and the floaters at the cut ends are not easy to separate from the degradable covering soil nets 26 after the second auxiliary roller group 31, after the separation, the passing sludge and the floaters at the cut ends are further blocked and attached between the second auxiliary roller set 31 and the extrusion roller set 30, then the separated sludge and the floaters at the cut ends are rolled to the rolling device 29 under the extrusion of the extrusion roller set 30 and the guiding effect of the guide roller 28, after the two degradable covering soil nets 26 are rolled by the rolling device 27, the drawing box 9 is pulled upwards, so that the degradable covering soil nets 26 attached with the sludge and the floaters at the cut ends on the rolling device 29 are taken out, and at the moment, the two degradable covering soil nets 26 can be used for slope fixing on a slope body and slope fixing plants can be planted.
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 (5)

1. The utility model provides a grid type dredging device for hydraulic engineering which characterized in that: the embedded seat comprises an embedded seat, wherein the upper side wall of the embedded seat is fixedly connected with two guide plate groups and two guide frames, the guide plate groups are fixedly connected to the front side surface of the guide frame, a grid support frame is connected in the two guide plate groups in a sliding manner, the inner sides of the two guide frames are provided with a front grid plate and a rear grid plate, a supporting plate is fixedly connected between the inner sides of the two guide plate groups, and the upper end of the supporting plate is fixedly connected with an upper frame;
the upper side surface of the net support frame is fixedly connected with a support, a star-shaped cutting roller and a blocking frame are mounted on the support, a plurality of rotating plates are rotatably connected between the supporting plate and the lower side surface of the upper frame, a transmission device is arranged on the lower inner wall of the upper frame, the rotating plates synchronously rotate through the transmission device, and a steel wire rope striding over from the upper part of the upper frame is fixedly connected between the blocking frame and the rear grid plate;
the lower inner wall of the embedded seat is fixedly connected with an arc-shaped baffle plate which is bent forwards and is positioned at the rear side, the upper side surface of the embedded seat and the upper side surface of the arc-shaped baffle plate are jointly connected with a rear box, the rear part of the rear box is provided with a pull box which slides up and down, and the left side wall and the right side wall of the pull box are both filter screens;
the rear side of the rear grid plate is provided with two degradable covering soil nets, the two degradable covering soil nets are wound and unwound through winding and unwinding devices arranged on the rear box, the embedding seat and the guide frame, and the two degradable covering soil nets extend downwards into an arc-shaped surface included by the inner wall of the embedding seat.
2. The grid type dredging device for hydraulic engineering according to claim 1, characterized in that: the net supporting frame is formed by fixedly connecting a lower net frame and two sliding blocks, and the sliding blocks are correspondingly connected into the guide plate group in a sliding manner.
3. The grid type dredging device for hydraulic engineering according to claim 1, characterized in that: the star cutting roller is a structure formed by sleeving a plurality of star cutting knives on a shaft, the baffle frame is formed by a cross rod connected with the upper end of an arc-shaped plate and the upper end of the arc-shaped plate, the star cutting knives and the arc-shaped plate are distributed at intervals, and the star cutting knives are tangent to the upper side face of the lower net rack at the lower position.
4. A grid type dredging device for hydraulic engineering according to claim 1, characterized in that: the outer sides of the two guide frames are detachably connected with supporting firmware, and the supporting firmware is located on the upper side face of the embedded seat.
5. A grid type dredging device for hydraulic engineering according to claim 1, characterized in that: the embedding seat comprises a fixing hole.
CN202210648331.0A 2022-06-09 2022-06-09 Grid type dredging device for hydraulic engineering Active CN114934486B (en)

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CN114934486B CN114934486B (en) 2023-08-29

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CN111928747A (en) * 2020-09-08 2020-11-13 浙江世润建创科技发展有限公司 Blasting compaction and setting chemical charging device and construction method for treating underwater sludge
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CN112878406A (en) * 2021-03-19 2021-06-01 湖北弘泰安建设工程有限公司 Anti-blocking water conservancy dredging device and application method thereof
CN113751114A (en) * 2021-09-13 2021-12-07 郑州工业应用技术学院 Special waste treatment device for civil construction

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Publication number Priority date Publication date Assignee Title
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CN102251529A (en) * 2011-06-02 2011-11-23 浙江大学 Self-balancing siphon drainage method by using side slope declining drill hole
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